20-F 1 bbplc-20221231.htm 20-F bbplc-20221231
false2022FY000031207000003120702022-01-012022-12-310000312070dei:BusinessContactMember2022-01-012022-12-310000312070bbplc:IPathBloombergCommodityIndexTotalReturnSMETNMember2022-01-012022-12-310000312070bbplc:IPathSeriesBBloombergAgricultureSubindexTotalReturnSMETNMember2022-01-012022-12-310000312070bbplc:IPathSeriesBBloombergAluminumSubindexTotalReturnSMETNMember2022-01-012022-12-310000312070bbplc:IPathBloombergCocoaSubindexTotalReturnSMETNMember2022-01-012022-12-310000312070bbplc:IPathSeriesBBloombergCoffeeSubindexTotalReturnSMETNMember2022-01-012022-12-310000312070bbplc:IPathSeriesBBloombergCopperSubindexTotalReturnSMETNMember2022-01-012022-12-310000312070bbplc:IPathSeriesBBloombergCottonSubindexTotalReturnSMETNMember2022-01-012022-12-310000312070bbplc:IPathSeriesBBloombergEnergySubindexTotalReturnSMETNMember2022-01-012022-12-310000312070bbplc:IPathSeriesBBloombergGrainsSubindexTotalReturnSMETNMember2022-01-012022-12-310000312070bbplc:IPathSeriesBBloombergIndustrialMetalsSubindexTotalReturnSMETNMember2022-01-012022-12-310000312070bbplc:IPathBloombergLeadSubindexTotalReturnSMETNMember2022-01-012022-12-310000312070bbplc:IPathSeriesBBloombergLivestockSubindexTotalReturnSMETNMember2022-01-012022-12-310000312070bbplc:IPathSeriesBBloombergNickelSubindexTotalReturnSMETNMember2022-01-012022-12-310000312070bbplc:IPathSeriesBBloombergPlatinumSubindexTotalReturnSMETNMember2022-01-012022-12-310000312070bbplc:IPathSeriesBBloombergPreciousMetalsSubindexTotalReturnSMETNMember2022-01-012022-12-310000312070bbplc:IPathSeriesBBloombergSoftsSubindexTotalReturnSMETNMember2022-01-012022-12-310000312070bbplc:IPathSeriesBBloombergSugarSubindexTotalReturnSMETNMember2022-01-012022-12-310000312070bbplc:IPathSeriesBBloombergTinSubindexTotalReturnSMETNMember2022-01-012022-12-310000312070bbplc:IPathSeriesBBloombergNaturalGasSubindexTotalReturnSMETNMember2022-01-012022-12-310000312070bbplc:IPathSPGSCITotalReturnIndexETNMember2022-01-012022-12-310000312070bbplc:IPathPureBetaBroadCommodityETNMember2022-01-012022-12-310000312070bbplc:IPathPureBetaCrudeOilETNMember2022-01-012022-12-310000312070bbplc:IPathSeriesBCarbonETNMember2022-01-012022-12-310000312070bbplc:IPathSeriesBSP500VIXShortTermFuturesTMETNsMember2022-01-012022-12-310000312070bbplc:IPathSeriesBSP500VIXMidTermFuturesTMETNsMember2022-01-012022-12-310000312070bbplc:IPathSelectMLPETNMember2022-01-012022-12-3100003120702022-12-31xbrli:shares0000312070bbplc:CashAndBankBalancesAtCentralBanksMemberifrs-full:CreditRiskMember2022-12-31iso4217:GBP0000312070ifrs-full:TradeReceivablesMemberifrs-full:CreditRiskMember2022-12-310000312070bbplc:OnBalanceSheetAssetsMemberifrs-full:MortgagesMemberifrs-full:FinancialAssetsAtAmortisedCostCategoryMemberifrs-full:CreditRiskMember2022-12-310000312070bbplc:OnBalanceSheetAssetsMemberifrs-full:FinancialAssetsAtAmortisedCostCategoryMemberbbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:CreditRiskMember2022-12-310000312070ifrs-full:CorporateLoansMemberbbplc:OnBalanceSheetAssetsMemberifrs-full:FinancialAssetsAtAmortisedCostCategoryMemberifrs-full:CreditRiskMember2022-12-310000312070ifrs-full:LoansAndReceivablesCategoryMemberbbplc:OnBalanceSheetAssetsMemberifrs-full:FinancialAssetsAtAmortisedCostCategoryMemberifrs-full:CreditRiskMember2022-12-310000312070ifrs-full:FinancialInstrumentsCreditimpairedMemberbbplc:OnBalanceSheetAssetsMemberifrs-full:MortgagesMemberifrs-full:FinancialAssetsAtAmortisedCostCategoryMemberifrs-full:CreditRiskMember2022-12-310000312070ifrs-full:FinancialInstrumentsCreditimpairedMemberbbplc:OnBalanceSheetAssetsMemberifrs-full:FinancialAssetsAtAmortisedCostCategoryMemberbbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:CreditRiskMember2022-12-310000312070ifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:CorporateLoansMemberbbplc:OnBalanceSheetAssetsMemberifrs-full:FinancialAssetsAtAmortisedCostCategoryMemberifrs-full:CreditRiskMember2022-12-310000312070ifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LoansAndReceivablesCategoryMemberbbplc:OnBalanceSheetAssetsMemberifrs-full:FinancialAssetsAtAmortisedCostCategoryMemberifrs-full:CreditRiskMember2022-12-310000312070ifrs-full:CreditRiskMemberbbplc:ReverseRepurchaseAgreementsAndOtherSimilarSecuredLendingMember2022-12-310000312070ifrs-full:DebtSecuritiesMemberifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossClassifiedAsHeldForTradingCategoryMemberbbplc:OnBalanceSheetAssetsMemberifrs-full:CreditRiskMember2022-12-310000312070bbplc:TradedLoansMemberifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossClassifiedAsHeldForTradingCategoryMemberbbplc:OnBalanceSheetAssetsMemberifrs-full:CreditRiskMember2022-12-310000312070ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossClassifiedAsHeldForTradingCategoryMemberbbplc:OnBalanceSheetAssetsMemberifrs-full:CreditRiskMember2022-12-310000312070ifrs-full:LoansAndReceivablesCategoryMemberbbplc:OnBalanceSheetAssetsMemberifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossCategoryMemberifrs-full:CreditRiskMember2022-12-310000312070ifrs-full:DebtSecuritiesMemberbbplc:OnBalanceSheetAssetsMemberifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossCategoryMemberifrs-full:CreditRiskMember2022-12-310000312070bbplc:ReverseRepurchaseAgreementsMemberbbplc:OnBalanceSheetAssetsMemberifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossCategoryMemberifrs-full:CreditRiskMember2022-12-310000312070bbplc:OtherFinancialAssetsMemberbbplc:OnBalanceSheetAssetsMemberifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossCategoryMemberifrs-full:CreditRiskMember2022-12-310000312070bbplc:OnBalanceSheetAssetsMemberifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossCategoryMemberifrs-full:CreditRiskMember2022-12-310000312070ifrs-full:DerivativesMemberbbplc:OnBalanceSheetAssetsMemberifrs-full:CreditRiskMember2022-12-310000312070ifrs-full:FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMemberbbplc:OnBalanceSheetAssetsMemberifrs-full:CreditRiskMember2022-12-310000312070ifrs-full:OtherAssetsMemberifrs-full:CreditRiskMember2022-12-310000312070bbplc:OnBalanceSheetAssetsMemberifrs-full:CreditRiskMember2022-12-310000312070bbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:ItemsOfContingentLiabilitiesMemberifrs-full:CreditRiskMember2022-12-310000312070bbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:LoanCommitmentsMemberifrs-full:CreditRiskMember2022-12-310000312070bbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:CreditRiskMember2022-12-310000312070ifrs-full:CreditRiskMember2022-12-310000312070ifrs-full:AccumulatedImpairmentMemberifrs-full:FinancialAssetsAtAmortisedCostMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMember2022-12-310000312070ifrs-full:AccumulatedImpairmentMemberifrs-full:FinancialAssetsAtAmortisedCostMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMember2021-12-310000312070bbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:CreditRiskMember2021-12-310000312070ifrs-full:LoansToGovernmentMemberbbplc:OnBalanceSheetAssetsMemberifrs-full:FinancialAssetsAtAmortisedCostCategoryMemberifrs-full:CreditRiskMember2022-12-310000312070ifrs-full:LoansToGovernmentMemberbbplc:OnBalanceSheetAssetsMemberifrs-full:FinancialAssetsAtAmortisedCostCategoryMemberifrs-full:CreditRiskMember2021-12-310000312070bbplc:CashAndBankBalancesAtCentralBanksMemberifrs-full:CreditRiskMember2021-12-310000312070ifrs-full:TradeReceivablesMemberifrs-full:CreditRiskMember2021-12-310000312070bbplc:OnBalanceSheetAssetsMemberifrs-full:MortgagesMemberifrs-full:FinancialAssetsAtAmortisedCostCategoryMemberifrs-full:CreditRiskMember2021-12-310000312070bbplc:OnBalanceSheetAssetsMemberifrs-full:FinancialAssetsAtAmortisedCostCategoryMemberbbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:CreditRiskMember2021-12-310000312070ifrs-full:CorporateLoansMemberbbplc:OnBalanceSheetAssetsMemberifrs-full:FinancialAssetsAtAmortisedCostCategoryMemberifrs-full:CreditRiskMember2021-12-310000312070ifrs-full:LoansAndReceivablesCategoryMemberbbplc:OnBalanceSheetAssetsMemberifrs-full:FinancialAssetsAtAmortisedCostCategoryMemberifrs-full:CreditRiskMember2021-12-310000312070ifrs-full:FinancialInstrumentsCreditimpairedMemberbbplc:OnBalanceSheetAssetsMemberifrs-full:MortgagesMemberifrs-full:FinancialAssetsAtAmortisedCostCategoryMemberifrs-full:CreditRiskMember2021-12-310000312070ifrs-full:FinancialInstrumentsCreditimpairedMemberbbplc:OnBalanceSheetAssetsMemberifrs-full:FinancialAssetsAtAmortisedCostCategoryMemberbbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:CreditRiskMember2021-12-310000312070ifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:CorporateLoansMemberbbplc:OnBalanceSheetAssetsMemberifrs-full:FinancialAssetsAtAmortisedCostCategoryMemberifrs-full:CreditRiskMember2021-12-310000312070ifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LoansAndReceivablesCategoryMemberbbplc:OnBalanceSheetAssetsMemberifrs-full:FinancialAssetsAtAmortisedCostCategoryMemberifrs-full:CreditRiskMember2021-12-310000312070ifrs-full:CreditRiskMemberbbplc:ReverseRepurchaseAgreementsAndOtherSimilarSecuredLendingMember2021-12-310000312070ifrs-full:DebtSecuritiesMemberifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossClassifiedAsHeldForTradingCategoryMemberbbplc:OnBalanceSheetAssetsMemberifrs-full:CreditRiskMember2021-12-310000312070bbplc:TradedLoansMemberifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossClassifiedAsHeldForTradingCategoryMemberbbplc:OnBalanceSheetAssetsMemberifrs-full:CreditRiskMember2021-12-310000312070ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossClassifiedAsHeldForTradingCategoryMemberbbplc:OnBalanceSheetAssetsMemberifrs-full:CreditRiskMember2021-12-310000312070ifrs-full:LoansAndReceivablesCategoryMemberbbplc:OnBalanceSheetAssetsMemberifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossCategoryMemberifrs-full:CreditRiskMember2021-12-310000312070ifrs-full:DebtSecuritiesMemberbbplc:OnBalanceSheetAssetsMemberifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossCategoryMemberifrs-full:CreditRiskMember2021-12-310000312070bbplc:ReverseRepurchaseAgreementsMemberbbplc:OnBalanceSheetAssetsMemberifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossCategoryMemberifrs-full:CreditRiskMember2021-12-310000312070bbplc:OtherFinancialAssetsMemberbbplc:OnBalanceSheetAssetsMemberifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossCategoryMemberifrs-full:CreditRiskMember2021-12-310000312070bbplc:OnBalanceSheetAssetsMemberifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossCategoryMemberifrs-full:CreditRiskMember2021-12-310000312070ifrs-full:DerivativesMemberbbplc:OnBalanceSheetAssetsMemberifrs-full:CreditRiskMember2021-12-310000312070ifrs-full:FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMemberbbplc:OnBalanceSheetAssetsMemberifrs-full:CreditRiskMember2021-12-310000312070ifrs-full:OtherAssetsMemberifrs-full:CreditRiskMember2021-12-310000312070bbplc:OnBalanceSheetAssetsMemberifrs-full:CreditRiskMember2021-12-310000312070bbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:ItemsOfContingentLiabilitiesMemberifrs-full:CreditRiskMember2021-12-310000312070bbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:LoanCommitmentsMemberifrs-full:CreditRiskMember2021-12-310000312070ifrs-full:CreditRiskMember2021-12-310000312070ifrs-full:GrossCarryingAmountMemberifrs-full:TwelvemonthExpectedCreditLossesMemberifrs-full:MortgagesMemberifrs-full:FinancialAssetsAtAmortisedCostMember2022-12-310000312070ifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:GrossCarryingAmountMemberifrs-full:CurrentMemberifrs-full:MortgagesMemberifrs-full:FinancialAssetsAtAmortisedCostMember2022-12-310000312070ifrs-full:NotLaterThanOneMonthMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:GrossCarryingAmountMemberifrs-full:MortgagesMemberifrs-full:FinancialAssetsAtAmortisedCostMember2022-12-310000312070bbplc:GreaterThanOneMonthPastDueMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:GrossCarryingAmountMemberifrs-full:MortgagesMemberifrs-full:FinancialAssetsAtAmortisedCostMember2022-12-310000312070ifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:GrossCarryingAmountMemberifrs-full:MortgagesMemberifrs-full:FinancialAssetsAtAmortisedCostMember2022-12-310000312070ifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:GrossCarryingAmountMemberifrs-full:MortgagesMemberifrs-full:FinancialAssetsAtAmortisedCostMember2022-12-310000312070ifrs-full:GrossCarryingAmountMemberifrs-full:MortgagesMemberifrs-full:FinancialAssetsAtAmortisedCostMember2022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:GrossCarryingAmountMemberifrs-full:TwelvemonthExpectedCreditLossesMemberifrs-full:FinancialAssetsAtAmortisedCostMember2022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:GrossCarryingAmountMemberifrs-full:CurrentMemberifrs-full:FinancialAssetsAtAmortisedCostMember2022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:NotLaterThanOneMonthMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:GrossCarryingAmountMemberifrs-full:FinancialAssetsAtAmortisedCostMember2022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberbbplc:GreaterThanOneMonthPastDueMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:GrossCarryingAmountMemberifrs-full:FinancialAssetsAtAmortisedCostMember2022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:GrossCarryingAmountMemberifrs-full:FinancialAssetsAtAmortisedCostMember2022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:GrossCarryingAmountMemberifrs-full:FinancialAssetsAtAmortisedCostMember2022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:GrossCarryingAmountMemberifrs-full:FinancialAssetsAtAmortisedCostMember2022-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:GrossCarryingAmountMemberifrs-full:TwelvemonthExpectedCreditLossesMemberifrs-full:FinancialAssetsAtAmortisedCostMember2022-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:GrossCarryingAmountMemberifrs-full:CurrentMemberifrs-full:FinancialAssetsAtAmortisedCostMember2022-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:NotLaterThanOneMonthMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:GrossCarryingAmountMemberifrs-full:FinancialAssetsAtAmortisedCostMember2022-12-310000312070ifrs-full:CorporateLoansMemberbbplc:GreaterThanOneMonthPastDueMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:GrossCarryingAmountMemberifrs-full:FinancialAssetsAtAmortisedCostMember2022-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:GrossCarryingAmountMemberifrs-full:FinancialAssetsAtAmortisedCostMember2022-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:GrossCarryingAmountMemberifrs-full:FinancialAssetsAtAmortisedCostMember2022-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:GrossCarryingAmountMemberifrs-full:FinancialAssetsAtAmortisedCostMember2022-12-310000312070ifrs-full:LoansAndReceivablesCategoryMemberifrs-full:GrossCarryingAmountMemberifrs-full:TwelvemonthExpectedCreditLossesMemberifrs-full:FinancialAssetsAtAmortisedCostMember2022-12-310000312070ifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:LoansAndReceivablesCategoryMemberifrs-full:GrossCarryingAmountMemberifrs-full:CurrentMemberifrs-full:FinancialAssetsAtAmortisedCostMember2022-12-310000312070ifrs-full:NotLaterThanOneMonthMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:LoansAndReceivablesCategoryMemberifrs-full:GrossCarryingAmountMemberifrs-full:FinancialAssetsAtAmortisedCostMember2022-12-310000312070bbplc:GreaterThanOneMonthPastDueMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:LoansAndReceivablesCategoryMemberifrs-full:GrossCarryingAmountMemberifrs-full:FinancialAssetsAtAmortisedCostMember2022-12-310000312070ifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:LoansAndReceivablesCategoryMemberifrs-full:GrossCarryingAmountMemberifrs-full:FinancialAssetsAtAmortisedCostMember2022-12-310000312070ifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:LoansAndReceivablesCategoryMemberifrs-full:GrossCarryingAmountMemberifrs-full:FinancialAssetsAtAmortisedCostMember2022-12-310000312070ifrs-full:LoansAndReceivablesCategoryMemberifrs-full:GrossCarryingAmountMemberifrs-full:FinancialAssetsAtAmortisedCostMember2022-12-310000312070ifrs-full:AccumulatedImpairmentMemberifrs-full:TwelvemonthExpectedCreditLossesMemberifrs-full:MortgagesMemberifrs-full:FinancialAssetsAtAmortisedCostMember2022-12-310000312070ifrs-full:AccumulatedImpairmentMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:CurrentMemberifrs-full:MortgagesMemberifrs-full:FinancialAssetsAtAmortisedCostMember2022-12-310000312070ifrs-full:NotLaterThanOneMonthMemberifrs-full:AccumulatedImpairmentMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:MortgagesMemberifrs-full:FinancialAssetsAtAmortisedCostMember2022-12-310000312070ifrs-full:AccumulatedImpairmentMemberbbplc:GreaterThanOneMonthPastDueMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:MortgagesMemberifrs-full:FinancialAssetsAtAmortisedCostMember2022-12-310000312070ifrs-full:AccumulatedImpairmentMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:MortgagesMemberifrs-full:FinancialAssetsAtAmortisedCostMember2022-12-310000312070ifrs-full:AccumulatedImpairmentMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:MortgagesMemberifrs-full:FinancialAssetsAtAmortisedCostMember2022-12-310000312070ifrs-full:AccumulatedImpairmentMemberifrs-full:MortgagesMemberifrs-full:FinancialAssetsAtAmortisedCostMember2022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:AccumulatedImpairmentMemberifrs-full:TwelvemonthExpectedCreditLossesMemberifrs-full:FinancialAssetsAtAmortisedCostMember2022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:AccumulatedImpairmentMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:CurrentMemberifrs-full:FinancialAssetsAtAmortisedCostMember2022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:NotLaterThanOneMonthMemberifrs-full:AccumulatedImpairmentMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:FinancialAssetsAtAmortisedCostMember2022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:AccumulatedImpairmentMemberbbplc:GreaterThanOneMonthPastDueMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:FinancialAssetsAtAmortisedCostMember2022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:AccumulatedImpairmentMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:FinancialAssetsAtAmortisedCostMember2022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:AccumulatedImpairmentMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialAssetsAtAmortisedCostMember2022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:AccumulatedImpairmentMemberifrs-full:FinancialAssetsAtAmortisedCostMember2022-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:AccumulatedImpairmentMemberifrs-full:TwelvemonthExpectedCreditLossesMemberifrs-full:FinancialAssetsAtAmortisedCostMember2022-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:AccumulatedImpairmentMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:CurrentMemberifrs-full:FinancialAssetsAtAmortisedCostMember2022-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:NotLaterThanOneMonthMemberifrs-full:AccumulatedImpairmentMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:FinancialAssetsAtAmortisedCostMember2022-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:AccumulatedImpairmentMemberbbplc:GreaterThanOneMonthPastDueMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:FinancialAssetsAtAmortisedCostMember2022-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:AccumulatedImpairmentMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:FinancialAssetsAtAmortisedCostMember2022-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:AccumulatedImpairmentMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialAssetsAtAmortisedCostMember2022-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:AccumulatedImpairmentMemberifrs-full:FinancialAssetsAtAmortisedCostMember2022-12-310000312070ifrs-full:AccumulatedImpairmentMemberifrs-full:LoansAndReceivablesCategoryMemberifrs-full:TwelvemonthExpectedCreditLossesMemberifrs-full:FinancialAssetsAtAmortisedCostMember2022-12-310000312070ifrs-full:AccumulatedImpairmentMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:LoansAndReceivablesCategoryMemberifrs-full:CurrentMemberifrs-full:FinancialAssetsAtAmortisedCostMember2022-12-310000312070ifrs-full:NotLaterThanOneMonthMemberifrs-full:AccumulatedImpairmentMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:LoansAndReceivablesCategoryMemberifrs-full:FinancialAssetsAtAmortisedCostMember2022-12-310000312070ifrs-full:AccumulatedImpairmentMemberbbplc:GreaterThanOneMonthPastDueMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:LoansAndReceivablesCategoryMemberifrs-full:FinancialAssetsAtAmortisedCostMember2022-12-310000312070ifrs-full:AccumulatedImpairmentMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:LoansAndReceivablesCategoryMemberifrs-full:FinancialAssetsAtAmortisedCostMember2022-12-310000312070ifrs-full:AccumulatedImpairmentMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:LoansAndReceivablesCategoryMemberifrs-full:FinancialAssetsAtAmortisedCostMember2022-12-310000312070ifrs-full:AccumulatedImpairmentMemberifrs-full:LoansAndReceivablesCategoryMemberifrs-full:FinancialAssetsAtAmortisedCostMember2022-12-310000312070ifrs-full:TwelvemonthExpectedCreditLossesMemberifrs-full:MortgagesMemberifrs-full:FinancialAssetsAtAmortisedCostMember2022-12-310000312070ifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:CurrentMemberifrs-full:MortgagesMemberifrs-full:FinancialAssetsAtAmortisedCostMember2022-12-310000312070ifrs-full:NotLaterThanOneMonthMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:MortgagesMemberifrs-full:FinancialAssetsAtAmortisedCostMember2022-12-310000312070bbplc:GreaterThanOneMonthPastDueMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:MortgagesMemberifrs-full:FinancialAssetsAtAmortisedCostMember2022-12-310000312070ifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:MortgagesMemberifrs-full:FinancialAssetsAtAmortisedCostMember2022-12-310000312070ifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:MortgagesMemberifrs-full:FinancialAssetsAtAmortisedCostMember2022-12-310000312070ifrs-full:FinancialAssetsAtAmortisedCostMemberifrs-full:MortgagesMember2022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:TwelvemonthExpectedCreditLossesMemberifrs-full:FinancialAssetsAtAmortisedCostMember2022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:CurrentMemberifrs-full:FinancialAssetsAtAmortisedCostMember2022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:NotLaterThanOneMonthMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:FinancialAssetsAtAmortisedCostMember2022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberbbplc:GreaterThanOneMonthPastDueMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:FinancialAssetsAtAmortisedCostMember2022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:FinancialAssetsAtAmortisedCostMember2022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialAssetsAtAmortisedCostMember2022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:FinancialAssetsAtAmortisedCostMember2022-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:TwelvemonthExpectedCreditLossesMemberifrs-full:FinancialAssetsAtAmortisedCostMember2022-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:CurrentMemberifrs-full:FinancialAssetsAtAmortisedCostMember2022-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:NotLaterThanOneMonthMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:FinancialAssetsAtAmortisedCostMember2022-12-310000312070ifrs-full:CorporateLoansMemberbbplc:GreaterThanOneMonthPastDueMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:FinancialAssetsAtAmortisedCostMember2022-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:FinancialAssetsAtAmortisedCostMember2022-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialAssetsAtAmortisedCostMember2022-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:FinancialAssetsAtAmortisedCostMember2022-12-310000312070ifrs-full:LoansAndReceivablesCategoryMemberifrs-full:TwelvemonthExpectedCreditLossesMemberifrs-full:FinancialAssetsAtAmortisedCostMember2022-12-310000312070ifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:LoansAndReceivablesCategoryMemberifrs-full:CurrentMemberifrs-full:FinancialAssetsAtAmortisedCostMember2022-12-310000312070ifrs-full:NotLaterThanOneMonthMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:LoansAndReceivablesCategoryMemberifrs-full:FinancialAssetsAtAmortisedCostMember2022-12-310000312070bbplc:GreaterThanOneMonthPastDueMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:LoansAndReceivablesCategoryMemberifrs-full:FinancialAssetsAtAmortisedCostMember2022-12-310000312070ifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:LoansAndReceivablesCategoryMemberifrs-full:FinancialAssetsAtAmortisedCostMember2022-12-310000312070ifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:LoansAndReceivablesCategoryMemberifrs-full:FinancialAssetsAtAmortisedCostMember2022-12-310000312070ifrs-full:LoansAndReceivablesCategoryMemberifrs-full:FinancialAssetsAtAmortisedCostMember2022-12-31xbrli:pure0000312070ifrs-full:GrossCarryingAmountMemberifrs-full:TwelvemonthExpectedCreditLossesMemberifrs-full:MortgagesMemberifrs-full:FinancialAssetsAtAmortisedCostMember2021-12-310000312070ifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:GrossCarryingAmountMemberifrs-full:CurrentMemberifrs-full:MortgagesMemberifrs-full:FinancialAssetsAtAmortisedCostMember2021-12-310000312070ifrs-full:NotLaterThanOneMonthMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:GrossCarryingAmountMemberifrs-full:MortgagesMemberifrs-full:FinancialAssetsAtAmortisedCostMember2021-12-310000312070bbplc:GreaterThanOneMonthPastDueMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:GrossCarryingAmountMemberifrs-full:MortgagesMemberifrs-full:FinancialAssetsAtAmortisedCostMember2021-12-310000312070ifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:GrossCarryingAmountMemberifrs-full:MortgagesMemberifrs-full:FinancialAssetsAtAmortisedCostMember2021-12-310000312070ifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:GrossCarryingAmountMemberifrs-full:MortgagesMemberifrs-full:FinancialAssetsAtAmortisedCostMember2021-12-310000312070ifrs-full:GrossCarryingAmountMemberifrs-full:MortgagesMemberifrs-full:FinancialAssetsAtAmortisedCostMember2021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:GrossCarryingAmountMemberifrs-full:TwelvemonthExpectedCreditLossesMemberifrs-full:FinancialAssetsAtAmortisedCostMember2021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:GrossCarryingAmountMemberifrs-full:CurrentMemberifrs-full:FinancialAssetsAtAmortisedCostMember2021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:NotLaterThanOneMonthMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:GrossCarryingAmountMemberifrs-full:FinancialAssetsAtAmortisedCostMember2021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberbbplc:GreaterThanOneMonthPastDueMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:GrossCarryingAmountMemberifrs-full:FinancialAssetsAtAmortisedCostMember2021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:GrossCarryingAmountMemberifrs-full:FinancialAssetsAtAmortisedCostMember2021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:GrossCarryingAmountMemberifrs-full:FinancialAssetsAtAmortisedCostMember2021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:GrossCarryingAmountMemberifrs-full:FinancialAssetsAtAmortisedCostMember2021-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:GrossCarryingAmountMemberifrs-full:TwelvemonthExpectedCreditLossesMemberifrs-full:FinancialAssetsAtAmortisedCostMember2021-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:GrossCarryingAmountMemberifrs-full:CurrentMemberifrs-full:FinancialAssetsAtAmortisedCostMember2021-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:NotLaterThanOneMonthMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:GrossCarryingAmountMemberifrs-full:FinancialAssetsAtAmortisedCostMember2021-12-310000312070ifrs-full:CorporateLoansMemberbbplc:GreaterThanOneMonthPastDueMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:GrossCarryingAmountMemberifrs-full:FinancialAssetsAtAmortisedCostMember2021-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:GrossCarryingAmountMemberifrs-full:FinancialAssetsAtAmortisedCostMember2021-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:GrossCarryingAmountMemberifrs-full:FinancialAssetsAtAmortisedCostMember2021-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:GrossCarryingAmountMemberifrs-full:FinancialAssetsAtAmortisedCostMember2021-12-310000312070ifrs-full:LoansAndReceivablesCategoryMemberifrs-full:GrossCarryingAmountMemberifrs-full:TwelvemonthExpectedCreditLossesMemberifrs-full:FinancialAssetsAtAmortisedCostMember2021-12-310000312070ifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:LoansAndReceivablesCategoryMemberifrs-full:GrossCarryingAmountMemberifrs-full:CurrentMemberifrs-full:FinancialAssetsAtAmortisedCostMember2021-12-310000312070ifrs-full:NotLaterThanOneMonthMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:LoansAndReceivablesCategoryMemberifrs-full:GrossCarryingAmountMemberifrs-full:FinancialAssetsAtAmortisedCostMember2021-12-310000312070bbplc:GreaterThanOneMonthPastDueMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:LoansAndReceivablesCategoryMemberifrs-full:GrossCarryingAmountMemberifrs-full:FinancialAssetsAtAmortisedCostMember2021-12-310000312070ifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:LoansAndReceivablesCategoryMemberifrs-full:GrossCarryingAmountMemberifrs-full:FinancialAssetsAtAmortisedCostMember2021-12-310000312070ifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:LoansAndReceivablesCategoryMemberifrs-full:GrossCarryingAmountMemberifrs-full:FinancialAssetsAtAmortisedCostMember2021-12-310000312070ifrs-full:LoansAndReceivablesCategoryMemberifrs-full:GrossCarryingAmountMemberifrs-full:FinancialAssetsAtAmortisedCostMember2021-12-310000312070ifrs-full:AccumulatedImpairmentMemberifrs-full:TwelvemonthExpectedCreditLossesMemberifrs-full:MortgagesMemberifrs-full:FinancialAssetsAtAmortisedCostMember2021-12-310000312070ifrs-full:AccumulatedImpairmentMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:CurrentMemberifrs-full:MortgagesMemberifrs-full:FinancialAssetsAtAmortisedCostMember2021-12-310000312070ifrs-full:NotLaterThanOneMonthMemberifrs-full:AccumulatedImpairmentMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:MortgagesMemberifrs-full:FinancialAssetsAtAmortisedCostMember2021-12-310000312070ifrs-full:AccumulatedImpairmentMemberbbplc:GreaterThanOneMonthPastDueMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:MortgagesMemberifrs-full:FinancialAssetsAtAmortisedCostMember2021-12-310000312070ifrs-full:AccumulatedImpairmentMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:MortgagesMemberifrs-full:FinancialAssetsAtAmortisedCostMember2021-12-310000312070ifrs-full:AccumulatedImpairmentMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:MortgagesMemberifrs-full:FinancialAssetsAtAmortisedCostMember2021-12-310000312070ifrs-full:AccumulatedImpairmentMemberifrs-full:MortgagesMemberifrs-full:FinancialAssetsAtAmortisedCostMember2021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:AccumulatedImpairmentMemberifrs-full:TwelvemonthExpectedCreditLossesMemberifrs-full:FinancialAssetsAtAmortisedCostMember2021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:AccumulatedImpairmentMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:CurrentMemberifrs-full:FinancialAssetsAtAmortisedCostMember2021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:NotLaterThanOneMonthMemberifrs-full:AccumulatedImpairmentMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:FinancialAssetsAtAmortisedCostMember2021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:AccumulatedImpairmentMemberbbplc:GreaterThanOneMonthPastDueMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:FinancialAssetsAtAmortisedCostMember2021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:AccumulatedImpairmentMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:FinancialAssetsAtAmortisedCostMember2021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:AccumulatedImpairmentMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialAssetsAtAmortisedCostMember2021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:AccumulatedImpairmentMemberifrs-full:FinancialAssetsAtAmortisedCostMember2021-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:AccumulatedImpairmentMemberifrs-full:TwelvemonthExpectedCreditLossesMemberifrs-full:FinancialAssetsAtAmortisedCostMember2021-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:AccumulatedImpairmentMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:CurrentMemberifrs-full:FinancialAssetsAtAmortisedCostMember2021-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:NotLaterThanOneMonthMemberifrs-full:AccumulatedImpairmentMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:FinancialAssetsAtAmortisedCostMember2021-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:AccumulatedImpairmentMemberbbplc:GreaterThanOneMonthPastDueMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:FinancialAssetsAtAmortisedCostMember2021-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:AccumulatedImpairmentMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:FinancialAssetsAtAmortisedCostMember2021-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:AccumulatedImpairmentMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialAssetsAtAmortisedCostMember2021-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:AccumulatedImpairmentMemberifrs-full:FinancialAssetsAtAmortisedCostMember2021-12-310000312070ifrs-full:AccumulatedImpairmentMemberifrs-full:LoansAndReceivablesCategoryMemberifrs-full:TwelvemonthExpectedCreditLossesMemberifrs-full:FinancialAssetsAtAmortisedCostMember2021-12-310000312070ifrs-full:AccumulatedImpairmentMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:LoansAndReceivablesCategoryMemberifrs-full:CurrentMemberifrs-full:FinancialAssetsAtAmortisedCostMember2021-12-310000312070ifrs-full:NotLaterThanOneMonthMemberifrs-full:AccumulatedImpairmentMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:LoansAndReceivablesCategoryMemberifrs-full:FinancialAssetsAtAmortisedCostMember2021-12-310000312070ifrs-full:AccumulatedImpairmentMemberbbplc:GreaterThanOneMonthPastDueMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:LoansAndReceivablesCategoryMemberifrs-full:FinancialAssetsAtAmortisedCostMember2021-12-310000312070ifrs-full:AccumulatedImpairmentMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:LoansAndReceivablesCategoryMemberifrs-full:FinancialAssetsAtAmortisedCostMember2021-12-310000312070ifrs-full:AccumulatedImpairmentMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:LoansAndReceivablesCategoryMemberifrs-full:FinancialAssetsAtAmortisedCostMember2021-12-310000312070ifrs-full:AccumulatedImpairmentMemberifrs-full:LoansAndReceivablesCategoryMemberifrs-full:FinancialAssetsAtAmortisedCostMember2021-12-310000312070ifrs-full:TwelvemonthExpectedCreditLossesMemberifrs-full:MortgagesMemberifrs-full:FinancialAssetsAtAmortisedCostMember2021-12-310000312070ifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:CurrentMemberifrs-full:MortgagesMemberifrs-full:FinancialAssetsAtAmortisedCostMember2021-12-310000312070ifrs-full:NotLaterThanOneMonthMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:MortgagesMemberifrs-full:FinancialAssetsAtAmortisedCostMember2021-12-310000312070bbplc:GreaterThanOneMonthPastDueMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:MortgagesMemberifrs-full:FinancialAssetsAtAmortisedCostMember2021-12-310000312070ifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:MortgagesMemberifrs-full:FinancialAssetsAtAmortisedCostMember2021-12-310000312070ifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:MortgagesMemberifrs-full:FinancialAssetsAtAmortisedCostMember2021-12-310000312070ifrs-full:FinancialAssetsAtAmortisedCostMemberifrs-full:MortgagesMember2021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:TwelvemonthExpectedCreditLossesMemberifrs-full:FinancialAssetsAtAmortisedCostMember2021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:CurrentMemberifrs-full:FinancialAssetsAtAmortisedCostMember2021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:NotLaterThanOneMonthMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:FinancialAssetsAtAmortisedCostMember2021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberbbplc:GreaterThanOneMonthPastDueMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:FinancialAssetsAtAmortisedCostMember2021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:FinancialAssetsAtAmortisedCostMember2021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialAssetsAtAmortisedCostMember2021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:FinancialAssetsAtAmortisedCostMember2021-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:TwelvemonthExpectedCreditLossesMemberifrs-full:FinancialAssetsAtAmortisedCostMember2021-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:CurrentMemberifrs-full:FinancialAssetsAtAmortisedCostMember2021-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:NotLaterThanOneMonthMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:FinancialAssetsAtAmortisedCostMember2021-12-310000312070ifrs-full:CorporateLoansMemberbbplc:GreaterThanOneMonthPastDueMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:FinancialAssetsAtAmortisedCostMember2021-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:FinancialAssetsAtAmortisedCostMember2021-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialAssetsAtAmortisedCostMember2021-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:FinancialAssetsAtAmortisedCostMember2021-12-310000312070ifrs-full:LoansAndReceivablesCategoryMemberifrs-full:TwelvemonthExpectedCreditLossesMemberifrs-full:FinancialAssetsAtAmortisedCostMember2021-12-310000312070ifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:LoansAndReceivablesCategoryMemberifrs-full:CurrentMemberifrs-full:FinancialAssetsAtAmortisedCostMember2021-12-310000312070ifrs-full:NotLaterThanOneMonthMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:LoansAndReceivablesCategoryMemberifrs-full:FinancialAssetsAtAmortisedCostMember2021-12-310000312070bbplc:GreaterThanOneMonthPastDueMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:LoansAndReceivablesCategoryMemberifrs-full:FinancialAssetsAtAmortisedCostMember2021-12-310000312070ifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:LoansAndReceivablesCategoryMemberifrs-full:FinancialAssetsAtAmortisedCostMember2021-12-310000312070ifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:LoansAndReceivablesCategoryMemberifrs-full:FinancialAssetsAtAmortisedCostMember2021-12-310000312070ifrs-full:LoansAndReceivablesCategoryMemberifrs-full:FinancialAssetsAtAmortisedCostMember2021-12-310000312070bbplc:OtherFinancialAssetsSubjectToImpairmentMemberifrs-full:GrossCarryingAmountMember2022-12-310000312070bbplc:OtherFinancialAssetsSubjectToImpairmentMemberifrs-full:GrossCarryingAmountMember2021-12-310000312070ifrs-full:AccumulatedImpairmentMemberbbplc:OtherFinancialAssetsSubjectToImpairmentMember2022-12-310000312070ifrs-full:AccumulatedImpairmentMemberbbplc:OtherFinancialAssetsSubjectToImpairmentMember2021-12-310000312070ifrs-full:AccumulatedImpairmentMemberbbplc:OtherFinancialAssetsSubjectToImpairmentMemberifrs-full:TwelvemonthExpectedCreditLossesMember2022-12-310000312070ifrs-full:AccumulatedImpairmentMemberbbplc:OtherFinancialAssetsSubjectToImpairmentMemberifrs-full:TwelvemonthExpectedCreditLossesMember2021-12-310000312070bbplc:OtherFinancialAssetsSubjectToImpairmentMemberifrs-full:GrossCarryingAmountMemberifrs-full:TwelvemonthExpectedCreditLossesMember2022-12-310000312070bbplc:OtherFinancialAssetsSubjectToImpairmentMemberifrs-full:GrossCarryingAmountMemberifrs-full:TwelvemonthExpectedCreditLossesMember2021-12-310000312070ifrs-full:AccumulatedImpairmentMemberifrs-full:LifetimeExpectedCreditLossesMemberbbplc:OtherFinancialAssetsSubjectToImpairmentMemberifrs-full:FinancialInstrumentsNotCreditimpairedMember2022-12-310000312070ifrs-full:AccumulatedImpairmentMemberifrs-full:LifetimeExpectedCreditLossesMemberbbplc:OtherFinancialAssetsSubjectToImpairmentMemberifrs-full:FinancialInstrumentsNotCreditimpairedMember2021-12-310000312070ifrs-full:LifetimeExpectedCreditLossesMemberbbplc:OtherFinancialAssetsSubjectToImpairmentMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:GrossCarryingAmountMember2022-12-310000312070ifrs-full:LifetimeExpectedCreditLossesMemberbbplc:OtherFinancialAssetsSubjectToImpairmentMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:GrossCarryingAmountMember2021-12-310000312070ifrs-full:AccumulatedImpairmentMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:OtherAssetsMemberifrs-full:LifetimeExpectedCreditLossesMember2022-12-310000312070ifrs-full:AccumulatedImpairmentMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:OtherAssetsMemberifrs-full:LifetimeExpectedCreditLossesMember2021-12-310000312070ifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:OtherAssetsMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:GrossCarryingAmountMember2022-12-31iso4217:USD0000312070ifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:OtherAssetsMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:GrossCarryingAmountMember2021-12-310000312070ifrs-full:ProvisionForCreditCommitmentsMember2022-12-310000312070ifrs-full:ProvisionForCreditCommitmentsMember2021-12-310000312070ifrs-full:GrossCarryingAmountMemberifrs-full:TwelvemonthExpectedCreditLossesMemberifrs-full:MortgagesMember2021-12-310000312070ifrs-full:AccumulatedImpairmentMemberifrs-full:TwelvemonthExpectedCreditLossesMemberifrs-full:MortgagesMember2021-12-310000312070ifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:GrossCarryingAmountMemberifrs-full:MortgagesMember2021-12-310000312070ifrs-full:AccumulatedImpairmentMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:MortgagesMember2021-12-310000312070ifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:GrossCarryingAmountMemberifrs-full:MortgagesMember2021-12-310000312070ifrs-full:AccumulatedImpairmentMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:MortgagesMember2021-12-310000312070ifrs-full:GrossCarryingAmountMemberifrs-full:MortgagesMember2021-12-310000312070ifrs-full:AccumulatedImpairmentMemberifrs-full:MortgagesMember2021-12-310000312070ifrs-full:GrossCarryingAmountMemberifrs-full:TwelvemonthExpectedCreditLossesMemberbbplc:TransfersFromStageOneToStageTwoMemberifrs-full:MortgagesMember2022-01-012022-12-310000312070ifrs-full:AccumulatedImpairmentMemberifrs-full:TwelvemonthExpectedCreditLossesMemberbbplc:TransfersFromStageOneToStageTwoMemberifrs-full:MortgagesMember2022-01-012022-12-310000312070ifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:GrossCarryingAmountMemberbbplc:TransfersFromStageOneToStageTwoMemberifrs-full:MortgagesMember2022-01-012022-12-310000312070ifrs-full:AccumulatedImpairmentMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberbbplc:TransfersFromStageOneToStageTwoMemberifrs-full:MortgagesMember2022-01-012022-12-310000312070ifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:GrossCarryingAmountMemberbbplc:TransfersFromStageOneToStageTwoMemberifrs-full:MortgagesMember2022-01-012022-12-310000312070ifrs-full:AccumulatedImpairmentMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberbbplc:TransfersFromStageOneToStageTwoMemberifrs-full:MortgagesMember2022-01-012022-12-310000312070ifrs-full:GrossCarryingAmountMemberbbplc:TransfersFromStageOneToStageTwoMemberifrs-full:MortgagesMember2022-01-012022-12-310000312070ifrs-full:AccumulatedImpairmentMemberbbplc:TransfersFromStageOneToStageTwoMemberifrs-full:MortgagesMember2022-01-012022-12-310000312070bbplc:TransfersFromStageTwoToStageOneMemberifrs-full:GrossCarryingAmountMemberifrs-full:TwelvemonthExpectedCreditLossesMemberifrs-full:MortgagesMember2022-01-012022-12-310000312070bbplc:TransfersFromStageTwoToStageOneMemberifrs-full:AccumulatedImpairmentMemberifrs-full:TwelvemonthExpectedCreditLossesMemberifrs-full:MortgagesMember2022-01-012022-12-310000312070bbplc:TransfersFromStageTwoToStageOneMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:GrossCarryingAmountMemberifrs-full:MortgagesMember2022-01-012022-12-310000312070bbplc:TransfersFromStageTwoToStageOneMemberifrs-full:AccumulatedImpairmentMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:MortgagesMember2022-01-012022-12-310000312070bbplc:TransfersFromStageTwoToStageOneMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:GrossCarryingAmountMemberifrs-full:MortgagesMember2022-01-012022-12-310000312070bbplc:TransfersFromStageTwoToStageOneMemberifrs-full:AccumulatedImpairmentMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:MortgagesMember2022-01-012022-12-310000312070bbplc:TransfersFromStageTwoToStageOneMemberifrs-full:GrossCarryingAmountMemberifrs-full:MortgagesMember2022-01-012022-12-310000312070bbplc:TransfersFromStageTwoToStageOneMemberifrs-full:AccumulatedImpairmentMemberifrs-full:MortgagesMember2022-01-012022-12-310000312070bbplc:TransfersToStageThreeMemberifrs-full:GrossCarryingAmountMemberifrs-full:TwelvemonthExpectedCreditLossesMemberifrs-full:MortgagesMember2022-01-012022-12-310000312070ifrs-full:AccumulatedImpairmentMemberbbplc:TransfersToStageThreeMemberifrs-full:TwelvemonthExpectedCreditLossesMemberifrs-full:MortgagesMember2022-01-012022-12-310000312070ifrs-full:LifetimeExpectedCreditLossesMemberbbplc:TransfersToStageThreeMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:GrossCarryingAmountMemberifrs-full:MortgagesMember2022-01-012022-12-310000312070ifrs-full:AccumulatedImpairmentMemberifrs-full:LifetimeExpectedCreditLossesMemberbbplc:TransfersToStageThreeMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:MortgagesMember2022-01-012022-12-310000312070ifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberbbplc:TransfersToStageThreeMemberifrs-full:GrossCarryingAmountMemberifrs-full:MortgagesMember2022-01-012022-12-310000312070ifrs-full:AccumulatedImpairmentMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberbbplc:TransfersToStageThreeMemberifrs-full:MortgagesMember2022-01-012022-12-310000312070bbplc:TransfersToStageThreeMemberifrs-full:GrossCarryingAmountMemberifrs-full:MortgagesMember2022-01-012022-12-310000312070ifrs-full:AccumulatedImpairmentMemberbbplc:TransfersToStageThreeMemberifrs-full:MortgagesMember2022-01-012022-12-310000312070bbplc:TransfersFromStageThreeMemberifrs-full:GrossCarryingAmountMemberifrs-full:TwelvemonthExpectedCreditLossesMemberifrs-full:MortgagesMember2022-01-012022-12-310000312070ifrs-full:AccumulatedImpairmentMemberbbplc:TransfersFromStageThreeMemberifrs-full:TwelvemonthExpectedCreditLossesMemberifrs-full:MortgagesMember2022-01-012022-12-310000312070bbplc:TransfersFromStageThreeMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:GrossCarryingAmountMemberifrs-full:MortgagesMember2022-01-012022-12-310000312070ifrs-full:AccumulatedImpairmentMemberbbplc:TransfersFromStageThreeMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:MortgagesMember2022-01-012022-12-310000312070bbplc:TransfersFromStageThreeMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:GrossCarryingAmountMemberifrs-full:MortgagesMember2022-01-012022-12-310000312070ifrs-full:AccumulatedImpairmentMemberbbplc:TransfersFromStageThreeMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:MortgagesMember2022-01-012022-12-310000312070bbplc:TransfersFromStageThreeMemberifrs-full:GrossCarryingAmountMemberifrs-full:MortgagesMember2022-01-012022-12-310000312070ifrs-full:AccumulatedImpairmentMemberbbplc:TransfersFromStageThreeMemberifrs-full:MortgagesMember2022-01-012022-12-310000312070ifrs-full:GrossCarryingAmountMemberifrs-full:TwelvemonthExpectedCreditLossesMemberifrs-full:MortgagesMember2022-01-012022-12-310000312070ifrs-full:AccumulatedImpairmentMemberifrs-full:TwelvemonthExpectedCreditLossesMemberifrs-full:MortgagesMember2022-01-012022-12-310000312070ifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:GrossCarryingAmountMemberifrs-full:MortgagesMember2022-01-012022-12-310000312070ifrs-full:AccumulatedImpairmentMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:MortgagesMember2022-01-012022-12-310000312070ifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:GrossCarryingAmountMemberifrs-full:MortgagesMember2022-01-012022-12-310000312070ifrs-full:AccumulatedImpairmentMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:MortgagesMember2022-01-012022-12-310000312070ifrs-full:GrossCarryingAmountMemberifrs-full:MortgagesMember2022-01-012022-12-310000312070ifrs-full:AccumulatedImpairmentMemberifrs-full:MortgagesMember2022-01-012022-12-310000312070ifrs-full:GrossCarryingAmountMemberifrs-full:TwelvemonthExpectedCreditLossesMemberifrs-full:MortgagesMember2022-12-310000312070ifrs-full:AccumulatedImpairmentMemberifrs-full:TwelvemonthExpectedCreditLossesMemberifrs-full:MortgagesMember2022-12-310000312070ifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:GrossCarryingAmountMemberifrs-full:MortgagesMember2022-12-310000312070ifrs-full:AccumulatedImpairmentMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:MortgagesMember2022-12-310000312070ifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:GrossCarryingAmountMemberifrs-full:MortgagesMember2022-12-310000312070ifrs-full:AccumulatedImpairmentMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:MortgagesMember2022-12-310000312070ifrs-full:GrossCarryingAmountMemberifrs-full:MortgagesMember2022-12-310000312070ifrs-full:AccumulatedImpairmentMemberifrs-full:MortgagesMember2022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:GrossCarryingAmountMemberifrs-full:TwelvemonthExpectedCreditLossesMember2021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:AccumulatedImpairmentMemberifrs-full:TwelvemonthExpectedCreditLossesMember2021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:GrossCarryingAmountMember2021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:AccumulatedImpairmentMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMember2021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:GrossCarryingAmountMember2021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:AccumulatedImpairmentMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMember2021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:GrossCarryingAmountMember2021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:AccumulatedImpairmentMember2021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:GrossCarryingAmountMemberifrs-full:TwelvemonthExpectedCreditLossesMemberbbplc:TransfersFromStageOneToStageTwoMember2022-01-012022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:AccumulatedImpairmentMemberifrs-full:TwelvemonthExpectedCreditLossesMemberbbplc:TransfersFromStageOneToStageTwoMember2022-01-012022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:GrossCarryingAmountMemberbbplc:TransfersFromStageOneToStageTwoMember2022-01-012022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:AccumulatedImpairmentMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberbbplc:TransfersFromStageOneToStageTwoMember2022-01-012022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:GrossCarryingAmountMemberbbplc:TransfersFromStageOneToStageTwoMember2022-01-012022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:AccumulatedImpairmentMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberbbplc:TransfersFromStageOneToStageTwoMember2022-01-012022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:GrossCarryingAmountMemberbbplc:TransfersFromStageOneToStageTwoMember2022-01-012022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:AccumulatedImpairmentMemberbbplc:TransfersFromStageOneToStageTwoMember2022-01-012022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberbbplc:TransfersFromStageTwoToStageOneMemberifrs-full:GrossCarryingAmountMemberifrs-full:TwelvemonthExpectedCreditLossesMember2022-01-012022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberbbplc:TransfersFromStageTwoToStageOneMemberifrs-full:AccumulatedImpairmentMemberifrs-full:TwelvemonthExpectedCreditLossesMember2022-01-012022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberbbplc:TransfersFromStageTwoToStageOneMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:GrossCarryingAmountMember2022-01-012022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberbbplc:TransfersFromStageTwoToStageOneMemberifrs-full:AccumulatedImpairmentMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMember2022-01-012022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberbbplc:TransfersFromStageTwoToStageOneMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:GrossCarryingAmountMember2022-01-012022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberbbplc:TransfersFromStageTwoToStageOneMemberifrs-full:AccumulatedImpairmentMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMember2022-01-012022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberbbplc:TransfersFromStageTwoToStageOneMemberifrs-full:GrossCarryingAmountMember2022-01-012022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberbbplc:TransfersFromStageTwoToStageOneMemberifrs-full:AccumulatedImpairmentMember2022-01-012022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberbbplc:TransfersToStageThreeMemberifrs-full:GrossCarryingAmountMemberifrs-full:TwelvemonthExpectedCreditLossesMember2022-01-012022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:AccumulatedImpairmentMemberbbplc:TransfersToStageThreeMemberifrs-full:TwelvemonthExpectedCreditLossesMember2022-01-012022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:LifetimeExpectedCreditLossesMemberbbplc:TransfersToStageThreeMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:GrossCarryingAmountMember2022-01-012022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:AccumulatedImpairmentMemberifrs-full:LifetimeExpectedCreditLossesMemberbbplc:TransfersToStageThreeMemberifrs-full:FinancialInstrumentsNotCreditimpairedMember2022-01-012022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberbbplc:TransfersToStageThreeMemberifrs-full:GrossCarryingAmountMember2022-01-012022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:AccumulatedImpairmentMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberbbplc:TransfersToStageThreeMember2022-01-012022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberbbplc:TransfersToStageThreeMemberifrs-full:GrossCarryingAmountMember2022-01-012022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:AccumulatedImpairmentMemberbbplc:TransfersToStageThreeMember2022-01-012022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberbbplc:TransfersFromStageThreeMemberifrs-full:GrossCarryingAmountMemberifrs-full:TwelvemonthExpectedCreditLossesMember2022-01-012022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:AccumulatedImpairmentMemberbbplc:TransfersFromStageThreeMemberifrs-full:TwelvemonthExpectedCreditLossesMember2022-01-012022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberbbplc:TransfersFromStageThreeMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:GrossCarryingAmountMember2022-01-012022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:AccumulatedImpairmentMemberbbplc:TransfersFromStageThreeMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMember2022-01-012022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberbbplc:TransfersFromStageThreeMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:GrossCarryingAmountMember2022-01-012022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:AccumulatedImpairmentMemberbbplc:TransfersFromStageThreeMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMember2022-01-012022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberbbplc:TransfersFromStageThreeMemberifrs-full:GrossCarryingAmountMember2022-01-012022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:AccumulatedImpairmentMemberbbplc:TransfersFromStageThreeMember2022-01-012022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:GrossCarryingAmountMemberifrs-full:TwelvemonthExpectedCreditLossesMember2022-01-012022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:AccumulatedImpairmentMemberifrs-full:TwelvemonthExpectedCreditLossesMember2022-01-012022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:GrossCarryingAmountMember2022-01-012022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:AccumulatedImpairmentMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMember2022-01-012022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:GrossCarryingAmountMember2022-01-012022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:AccumulatedImpairmentMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMember2022-01-012022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:GrossCarryingAmountMember2022-01-012022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:AccumulatedImpairmentMember2022-01-012022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:GrossCarryingAmountMemberifrs-full:TwelvemonthExpectedCreditLossesMember2022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:AccumulatedImpairmentMemberifrs-full:TwelvemonthExpectedCreditLossesMember2022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:GrossCarryingAmountMember2022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:AccumulatedImpairmentMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMember2022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:GrossCarryingAmountMember2022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:AccumulatedImpairmentMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMember2022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:GrossCarryingAmountMember2022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:AccumulatedImpairmentMember2022-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:GrossCarryingAmountMemberifrs-full:TwelvemonthExpectedCreditLossesMember2021-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:AccumulatedImpairmentMemberifrs-full:TwelvemonthExpectedCreditLossesMember2021-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:GrossCarryingAmountMember2021-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:AccumulatedImpairmentMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMember2021-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:GrossCarryingAmountMember2021-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:AccumulatedImpairmentMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMember2021-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:GrossCarryingAmountMember2021-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:AccumulatedImpairmentMember2021-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:GrossCarryingAmountMemberifrs-full:TwelvemonthExpectedCreditLossesMemberbbplc:TransfersFromStageOneToStageTwoMember2022-01-012022-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:AccumulatedImpairmentMemberifrs-full:TwelvemonthExpectedCreditLossesMemberbbplc:TransfersFromStageOneToStageTwoMember2022-01-012022-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:GrossCarryingAmountMemberbbplc:TransfersFromStageOneToStageTwoMember2022-01-012022-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:AccumulatedImpairmentMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberbbplc:TransfersFromStageOneToStageTwoMember2022-01-012022-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:GrossCarryingAmountMemberbbplc:TransfersFromStageOneToStageTwoMember2022-01-012022-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:AccumulatedImpairmentMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberbbplc:TransfersFromStageOneToStageTwoMember2022-01-012022-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:GrossCarryingAmountMemberbbplc:TransfersFromStageOneToStageTwoMember2022-01-012022-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:AccumulatedImpairmentMemberbbplc:TransfersFromStageOneToStageTwoMember2022-01-012022-12-310000312070bbplc:TransfersFromStageTwoToStageOneMemberifrs-full:CorporateLoansMemberifrs-full:GrossCarryingAmountMemberifrs-full:TwelvemonthExpectedCreditLossesMember2022-01-012022-12-310000312070bbplc:TransfersFromStageTwoToStageOneMemberifrs-full:CorporateLoansMemberifrs-full:AccumulatedImpairmentMemberifrs-full:TwelvemonthExpectedCreditLossesMember2022-01-012022-12-310000312070bbplc:TransfersFromStageTwoToStageOneMemberifrs-full:CorporateLoansMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:GrossCarryingAmountMember2022-01-012022-12-310000312070bbplc:TransfersFromStageTwoToStageOneMemberifrs-full:CorporateLoansMemberifrs-full:AccumulatedImpairmentMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMember2022-01-012022-12-310000312070bbplc:TransfersFromStageTwoToStageOneMemberifrs-full:CorporateLoansMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:GrossCarryingAmountMember2022-01-012022-12-310000312070bbplc:TransfersFromStageTwoToStageOneMemberifrs-full:CorporateLoansMemberifrs-full:AccumulatedImpairmentMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMember2022-01-012022-12-310000312070bbplc:TransfersFromStageTwoToStageOneMemberifrs-full:CorporateLoansMemberifrs-full:GrossCarryingAmountMember2022-01-012022-12-310000312070bbplc:TransfersFromStageTwoToStageOneMemberifrs-full:CorporateLoansMemberifrs-full:AccumulatedImpairmentMember2022-01-012022-12-310000312070ifrs-full:CorporateLoansMemberbbplc:TransfersToStageThreeMemberifrs-full:GrossCarryingAmountMemberifrs-full:TwelvemonthExpectedCreditLossesMember2022-01-012022-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:AccumulatedImpairmentMemberbbplc:TransfersToStageThreeMemberifrs-full:TwelvemonthExpectedCreditLossesMember2022-01-012022-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:LifetimeExpectedCreditLossesMemberbbplc:TransfersToStageThreeMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:GrossCarryingAmountMember2022-01-012022-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:AccumulatedImpairmentMemberifrs-full:LifetimeExpectedCreditLossesMemberbbplc:TransfersToStageThreeMemberifrs-full:FinancialInstrumentsNotCreditimpairedMember2022-01-012022-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberbbplc:TransfersToStageThreeMemberifrs-full:GrossCarryingAmountMember2022-01-012022-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:AccumulatedImpairmentMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberbbplc:TransfersToStageThreeMember2022-01-012022-12-310000312070ifrs-full:CorporateLoansMemberbbplc:TransfersToStageThreeMemberifrs-full:GrossCarryingAmountMember2022-01-012022-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:AccumulatedImpairmentMemberbbplc:TransfersToStageThreeMember2022-01-012022-12-310000312070ifrs-full:CorporateLoansMemberbbplc:TransfersFromStageThreeMemberifrs-full:GrossCarryingAmountMemberifrs-full:TwelvemonthExpectedCreditLossesMember2022-01-012022-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:AccumulatedImpairmentMemberbbplc:TransfersFromStageThreeMemberifrs-full:TwelvemonthExpectedCreditLossesMember2022-01-012022-12-310000312070ifrs-full:CorporateLoansMemberbbplc:TransfersFromStageThreeMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:GrossCarryingAmountMember2022-01-012022-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:AccumulatedImpairmentMemberbbplc:TransfersFromStageThreeMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMember2022-01-012022-12-310000312070ifrs-full:CorporateLoansMemberbbplc:TransfersFromStageThreeMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:GrossCarryingAmountMember2022-01-012022-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:AccumulatedImpairmentMemberbbplc:TransfersFromStageThreeMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMember2022-01-012022-12-310000312070ifrs-full:CorporateLoansMemberbbplc:TransfersFromStageThreeMemberifrs-full:GrossCarryingAmountMember2022-01-012022-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:AccumulatedImpairmentMemberbbplc:TransfersFromStageThreeMember2022-01-012022-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:GrossCarryingAmountMemberifrs-full:TwelvemonthExpectedCreditLossesMember2022-01-012022-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:AccumulatedImpairmentMemberifrs-full:TwelvemonthExpectedCreditLossesMember2022-01-012022-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:GrossCarryingAmountMember2022-01-012022-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:AccumulatedImpairmentMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMember2022-01-012022-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:GrossCarryingAmountMember2022-01-012022-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:AccumulatedImpairmentMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMember2022-01-012022-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:GrossCarryingAmountMember2022-01-012022-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:AccumulatedImpairmentMember2022-01-012022-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:GrossCarryingAmountMemberifrs-full:TwelvemonthExpectedCreditLossesMember2022-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:AccumulatedImpairmentMemberifrs-full:TwelvemonthExpectedCreditLossesMember2022-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:GrossCarryingAmountMember2022-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:AccumulatedImpairmentMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMember2022-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:GrossCarryingAmountMember2022-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:AccumulatedImpairmentMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMember2022-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:GrossCarryingAmountMember2022-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:AccumulatedImpairmentMember2022-12-310000312070bbplc:GapPortfolioMemberbbplc:CreditCardsUnsecuredAndOtherRetailLendingMember2022-01-012022-12-310000312070ifrs-full:LoansAndReceivablesCategoryMemberifrs-full:GrossCarryingAmountMemberifrs-full:FinancialAssetsAtAmortisedCostMember2022-01-012022-12-310000312070ifrs-full:LoansAndReceivablesCategoryMemberifrs-full:GrossCarryingAmountMemberifrs-full:FinancialAssetsAtAmortisedCostMember2021-01-012021-12-310000312070ifrs-full:TwelvemonthExpectedCreditLossesMemberifrs-full:MortgagesMember2022-01-012022-12-310000312070ifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:MortgagesMember2022-01-012022-12-310000312070ifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:MortgagesMember2022-01-012022-12-310000312070ifrs-full:MortgagesMember2022-01-012022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:TwelvemonthExpectedCreditLossesMember2022-01-012022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMember2022-01-012022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMember2022-01-012022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMember2022-01-012022-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:TwelvemonthExpectedCreditLossesMember2022-01-012022-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMember2022-01-012022-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMember2022-01-012022-12-310000312070ifrs-full:CorporateLoansMember2022-01-012022-12-310000312070ifrs-full:LoansAndReceivablesCategoryMemberifrs-full:TwelvemonthExpectedCreditLossesMember2022-01-012022-12-310000312070ifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:LoansAndReceivablesCategoryMember2022-01-012022-12-310000312070ifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:LoansAndReceivablesCategoryMember2022-01-012022-12-310000312070ifrs-full:LoansAndReceivablesCategoryMember2022-01-012022-12-310000312070ifrs-full:TwelvemonthExpectedCreditLossesMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMember2022-01-012022-12-310000312070ifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMember2022-01-012022-12-310000312070ifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMember2022-01-012022-12-310000312070bbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMember2022-01-012022-12-310000312070bbplc:OtherFinancialAssetsSubjectToImpairmentMemberifrs-full:TwelvemonthExpectedCreditLossesMember2022-01-012022-12-310000312070ifrs-full:LifetimeExpectedCreditLossesMemberbbplc:OtherFinancialAssetsSubjectToImpairmentMemberifrs-full:FinancialInstrumentsNotCreditimpairedMember2022-01-012022-12-310000312070ifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberbbplc:OtherFinancialAssetsSubjectToImpairmentMember2022-01-012022-12-310000312070bbplc:OtherFinancialAssetsSubjectToImpairmentMember2022-01-012022-12-310000312070ifrs-full:TwelvemonthExpectedCreditLossesMember2022-01-012022-12-310000312070ifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMember2022-01-012022-12-310000312070ifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMember2022-01-012022-12-310000312070ifrs-full:FinancialGuaranteeContractsMember2022-01-012022-12-310000312070bbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:GrossCarryingAmountMemberifrs-full:TwelvemonthExpectedCreditLossesMemberifrs-full:MortgagesMember2021-12-310000312070ifrs-full:AccumulatedImpairmentMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:TwelvemonthExpectedCreditLossesMemberifrs-full:MortgagesMember2021-12-310000312070bbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:GrossCarryingAmountMemberifrs-full:MortgagesMember2021-12-310000312070ifrs-full:AccumulatedImpairmentMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:MortgagesMember2021-12-310000312070ifrs-full:FinancialInstrumentsCreditimpairedMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:GrossCarryingAmountMemberifrs-full:MortgagesMember2021-12-310000312070ifrs-full:AccumulatedImpairmentMemberifrs-full:FinancialInstrumentsCreditimpairedMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:MortgagesMember2021-12-310000312070bbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:GrossCarryingAmountMemberifrs-full:MortgagesMember2021-12-310000312070ifrs-full:AccumulatedImpairmentMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:MortgagesMember2021-12-310000312070bbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:GrossCarryingAmountMemberifrs-full:TwelvemonthExpectedCreditLossesMemberifrs-full:MortgagesMember2022-01-012022-12-310000312070ifrs-full:AccumulatedImpairmentMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:TwelvemonthExpectedCreditLossesMemberifrs-full:MortgagesMember2022-01-012022-12-310000312070bbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:GrossCarryingAmountMemberifrs-full:MortgagesMember2022-01-012022-12-310000312070ifrs-full:AccumulatedImpairmentMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:MortgagesMember2022-01-012022-12-310000312070ifrs-full:FinancialInstrumentsCreditimpairedMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:GrossCarryingAmountMemberifrs-full:MortgagesMember2022-01-012022-12-310000312070ifrs-full:AccumulatedImpairmentMemberifrs-full:FinancialInstrumentsCreditimpairedMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:MortgagesMember2022-01-012022-12-310000312070bbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:GrossCarryingAmountMemberifrs-full:MortgagesMember2022-01-012022-12-310000312070ifrs-full:AccumulatedImpairmentMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:MortgagesMember2022-01-012022-12-310000312070bbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:GrossCarryingAmountMemberifrs-full:TwelvemonthExpectedCreditLossesMemberifrs-full:MortgagesMember2022-12-310000312070ifrs-full:AccumulatedImpairmentMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:TwelvemonthExpectedCreditLossesMemberifrs-full:MortgagesMember2022-12-310000312070bbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:GrossCarryingAmountMemberifrs-full:MortgagesMember2022-12-310000312070ifrs-full:AccumulatedImpairmentMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:MortgagesMember2022-12-310000312070ifrs-full:FinancialInstrumentsCreditimpairedMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:GrossCarryingAmountMemberifrs-full:MortgagesMember2022-12-310000312070ifrs-full:AccumulatedImpairmentMemberifrs-full:FinancialInstrumentsCreditimpairedMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:MortgagesMember2022-12-310000312070bbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:GrossCarryingAmountMemberifrs-full:MortgagesMember2022-12-310000312070ifrs-full:AccumulatedImpairmentMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:MortgagesMember2022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:GrossCarryingAmountMemberifrs-full:TwelvemonthExpectedCreditLossesMember2021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:AccumulatedImpairmentMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:TwelvemonthExpectedCreditLossesMember2021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:GrossCarryingAmountMember2021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:AccumulatedImpairmentMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMember2021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:FinancialInstrumentsCreditimpairedMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:GrossCarryingAmountMember2021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:AccumulatedImpairmentMemberifrs-full:FinancialInstrumentsCreditimpairedMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:LifetimeExpectedCreditLossesMember2021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:GrossCarryingAmountMember2021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:AccumulatedImpairmentMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMember2021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:GrossCarryingAmountMemberifrs-full:TwelvemonthExpectedCreditLossesMember2022-01-012022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:AccumulatedImpairmentMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:TwelvemonthExpectedCreditLossesMember2022-01-012022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:GrossCarryingAmountMember2022-01-012022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:AccumulatedImpairmentMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMember2022-01-012022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:FinancialInstrumentsCreditimpairedMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:GrossCarryingAmountMember2022-01-012022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:AccumulatedImpairmentMemberifrs-full:FinancialInstrumentsCreditimpairedMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:LifetimeExpectedCreditLossesMember2022-01-012022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:GrossCarryingAmountMember2022-01-012022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:AccumulatedImpairmentMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMember2022-01-012022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:GrossCarryingAmountMemberifrs-full:TwelvemonthExpectedCreditLossesMember2022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:AccumulatedImpairmentMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:TwelvemonthExpectedCreditLossesMember2022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:GrossCarryingAmountMember2022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:AccumulatedImpairmentMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMember2022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:FinancialInstrumentsCreditimpairedMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:GrossCarryingAmountMember2022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:AccumulatedImpairmentMemberifrs-full:FinancialInstrumentsCreditimpairedMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:LifetimeExpectedCreditLossesMember2022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:GrossCarryingAmountMember2022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:AccumulatedImpairmentMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMember2022-12-310000312070ifrs-full:CorporateLoansMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:GrossCarryingAmountMemberifrs-full:TwelvemonthExpectedCreditLossesMember2021-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:AccumulatedImpairmentMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:TwelvemonthExpectedCreditLossesMember2021-12-310000312070ifrs-full:CorporateLoansMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:GrossCarryingAmountMember2021-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:AccumulatedImpairmentMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMember2021-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:FinancialInstrumentsCreditimpairedMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:GrossCarryingAmountMember2021-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:AccumulatedImpairmentMemberifrs-full:FinancialInstrumentsCreditimpairedMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:LifetimeExpectedCreditLossesMember2021-12-310000312070ifrs-full:CorporateLoansMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:GrossCarryingAmountMember2021-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:AccumulatedImpairmentMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMember2021-12-310000312070ifrs-full:CorporateLoansMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:GrossCarryingAmountMemberifrs-full:TwelvemonthExpectedCreditLossesMember2022-01-012022-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:AccumulatedImpairmentMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:TwelvemonthExpectedCreditLossesMember2022-01-012022-12-310000312070ifrs-full:CorporateLoansMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:GrossCarryingAmountMember2022-01-012022-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:AccumulatedImpairmentMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMember2022-01-012022-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:FinancialInstrumentsCreditimpairedMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:GrossCarryingAmountMember2022-01-012022-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:AccumulatedImpairmentMemberifrs-full:FinancialInstrumentsCreditimpairedMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:LifetimeExpectedCreditLossesMember2022-01-012022-12-310000312070bbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:GrossCarryingAmountMember2022-01-012022-12-310000312070ifrs-full:AccumulatedImpairmentMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMember2022-01-012022-12-310000312070ifrs-full:CorporateLoansMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:GrossCarryingAmountMember2022-01-012022-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:AccumulatedImpairmentMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMember2022-01-012022-12-310000312070ifrs-full:CorporateLoansMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:GrossCarryingAmountMemberifrs-full:TwelvemonthExpectedCreditLossesMember2022-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:AccumulatedImpairmentMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:TwelvemonthExpectedCreditLossesMember2022-12-310000312070ifrs-full:CorporateLoansMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:GrossCarryingAmountMember2022-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:AccumulatedImpairmentMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMember2022-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:FinancialInstrumentsCreditimpairedMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:GrossCarryingAmountMember2022-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:AccumulatedImpairmentMemberifrs-full:FinancialInstrumentsCreditimpairedMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:LifetimeExpectedCreditLossesMember2022-12-310000312070ifrs-full:CorporateLoansMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:GrossCarryingAmountMember2022-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:AccumulatedImpairmentMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMember2022-12-310000312070ifrs-full:GrossCarryingAmountMemberifrs-full:TwelvemonthExpectedCreditLossesMemberifrs-full:MortgagesMember2020-12-310000312070ifrs-full:AccumulatedImpairmentMemberifrs-full:TwelvemonthExpectedCreditLossesMemberifrs-full:MortgagesMember2020-12-310000312070ifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:GrossCarryingAmountMemberifrs-full:MortgagesMember2020-12-310000312070ifrs-full:AccumulatedImpairmentMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:MortgagesMember2020-12-310000312070ifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:GrossCarryingAmountMemberifrs-full:MortgagesMember2020-12-310000312070ifrs-full:AccumulatedImpairmentMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:MortgagesMember2020-12-310000312070ifrs-full:GrossCarryingAmountMemberifrs-full:MortgagesMember2020-12-310000312070ifrs-full:AccumulatedImpairmentMemberifrs-full:MortgagesMember2020-12-310000312070ifrs-full:GrossCarryingAmountMemberifrs-full:TwelvemonthExpectedCreditLossesMemberbbplc:TransfersFromStageOneToStageTwoMemberifrs-full:MortgagesMember2021-01-012021-12-310000312070ifrs-full:AccumulatedImpairmentMemberifrs-full:TwelvemonthExpectedCreditLossesMemberbbplc:TransfersFromStageOneToStageTwoMemberifrs-full:MortgagesMember2021-01-012021-12-310000312070ifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:GrossCarryingAmountMemberbbplc:TransfersFromStageOneToStageTwoMemberifrs-full:MortgagesMember2021-01-012021-12-310000312070ifrs-full:AccumulatedImpairmentMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberbbplc:TransfersFromStageOneToStageTwoMemberifrs-full:MortgagesMember2021-01-012021-12-310000312070ifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:GrossCarryingAmountMemberbbplc:TransfersFromStageOneToStageTwoMemberifrs-full:MortgagesMember2021-01-012021-12-310000312070ifrs-full:AccumulatedImpairmentMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberbbplc:TransfersFromStageOneToStageTwoMemberifrs-full:MortgagesMember2021-01-012021-12-310000312070ifrs-full:GrossCarryingAmountMemberbbplc:TransfersFromStageOneToStageTwoMemberifrs-full:MortgagesMember2021-01-012021-12-310000312070ifrs-full:AccumulatedImpairmentMemberbbplc:TransfersFromStageOneToStageTwoMemberifrs-full:MortgagesMember2021-01-012021-12-310000312070bbplc:TransfersFromStageTwoToStageOneMemberifrs-full:GrossCarryingAmountMemberifrs-full:TwelvemonthExpectedCreditLossesMemberifrs-full:MortgagesMember2021-01-012021-12-310000312070bbplc:TransfersFromStageTwoToStageOneMemberifrs-full:AccumulatedImpairmentMemberifrs-full:TwelvemonthExpectedCreditLossesMemberifrs-full:MortgagesMember2021-01-012021-12-310000312070bbplc:TransfersFromStageTwoToStageOneMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:GrossCarryingAmountMemberifrs-full:MortgagesMember2021-01-012021-12-310000312070bbplc:TransfersFromStageTwoToStageOneMemberifrs-full:AccumulatedImpairmentMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:MortgagesMember2021-01-012021-12-310000312070bbplc:TransfersFromStageTwoToStageOneMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:GrossCarryingAmountMemberifrs-full:MortgagesMember2021-01-012021-12-310000312070bbplc:TransfersFromStageTwoToStageOneMemberifrs-full:AccumulatedImpairmentMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:MortgagesMember2021-01-012021-12-310000312070bbplc:TransfersFromStageTwoToStageOneMemberifrs-full:GrossCarryingAmountMemberifrs-full:MortgagesMember2021-01-012021-12-310000312070bbplc:TransfersFromStageTwoToStageOneMemberifrs-full:AccumulatedImpairmentMemberifrs-full:MortgagesMember2021-01-012021-12-310000312070bbplc:TransfersToStageThreeMemberifrs-full:GrossCarryingAmountMemberifrs-full:TwelvemonthExpectedCreditLossesMemberifrs-full:MortgagesMember2021-01-012021-12-310000312070ifrs-full:AccumulatedImpairmentMemberbbplc:TransfersToStageThreeMemberifrs-full:TwelvemonthExpectedCreditLossesMemberifrs-full:MortgagesMember2021-01-012021-12-310000312070ifrs-full:LifetimeExpectedCreditLossesMemberbbplc:TransfersToStageThreeMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:GrossCarryingAmountMemberifrs-full:MortgagesMember2021-01-012021-12-310000312070ifrs-full:AccumulatedImpairmentMemberifrs-full:LifetimeExpectedCreditLossesMemberbbplc:TransfersToStageThreeMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:MortgagesMember2021-01-012021-12-310000312070ifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberbbplc:TransfersToStageThreeMemberifrs-full:GrossCarryingAmountMemberifrs-full:MortgagesMember2021-01-012021-12-310000312070ifrs-full:AccumulatedImpairmentMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberbbplc:TransfersToStageThreeMemberifrs-full:MortgagesMember2021-01-012021-12-310000312070bbplc:TransfersToStageThreeMemberifrs-full:GrossCarryingAmountMemberifrs-full:MortgagesMember2021-01-012021-12-310000312070ifrs-full:AccumulatedImpairmentMemberbbplc:TransfersToStageThreeMemberifrs-full:MortgagesMember2021-01-012021-12-310000312070bbplc:TransfersFromStageThreeMemberifrs-full:GrossCarryingAmountMemberifrs-full:TwelvemonthExpectedCreditLossesMemberifrs-full:MortgagesMember2021-01-012021-12-310000312070ifrs-full:AccumulatedImpairmentMemberbbplc:TransfersFromStageThreeMemberifrs-full:TwelvemonthExpectedCreditLossesMemberifrs-full:MortgagesMember2021-01-012021-12-310000312070bbplc:TransfersFromStageThreeMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:GrossCarryingAmountMemberifrs-full:MortgagesMember2021-01-012021-12-310000312070ifrs-full:AccumulatedImpairmentMemberbbplc:TransfersFromStageThreeMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:MortgagesMember2021-01-012021-12-310000312070bbplc:TransfersFromStageThreeMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:GrossCarryingAmountMemberifrs-full:MortgagesMember2021-01-012021-12-310000312070ifrs-full:AccumulatedImpairmentMemberbbplc:TransfersFromStageThreeMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:MortgagesMember2021-01-012021-12-310000312070bbplc:TransfersFromStageThreeMemberifrs-full:GrossCarryingAmountMemberifrs-full:MortgagesMember2021-01-012021-12-310000312070ifrs-full:AccumulatedImpairmentMemberbbplc:TransfersFromStageThreeMemberifrs-full:MortgagesMember2021-01-012021-12-310000312070ifrs-full:GrossCarryingAmountMemberifrs-full:TwelvemonthExpectedCreditLossesMemberifrs-full:MortgagesMember2021-01-012021-12-310000312070ifrs-full:AccumulatedImpairmentMemberifrs-full:TwelvemonthExpectedCreditLossesMemberifrs-full:MortgagesMember2021-01-012021-12-310000312070ifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:GrossCarryingAmountMemberifrs-full:MortgagesMember2021-01-012021-12-310000312070ifrs-full:AccumulatedImpairmentMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:MortgagesMember2021-01-012021-12-310000312070ifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:GrossCarryingAmountMemberifrs-full:MortgagesMember2021-01-012021-12-310000312070ifrs-full:AccumulatedImpairmentMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:MortgagesMember2021-01-012021-12-310000312070ifrs-full:GrossCarryingAmountMemberifrs-full:MortgagesMember2021-01-012021-12-310000312070ifrs-full:AccumulatedImpairmentMemberifrs-full:MortgagesMember2021-01-012021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:GrossCarryingAmountMemberifrs-full:TwelvemonthExpectedCreditLossesMember2020-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:AccumulatedImpairmentMemberifrs-full:TwelvemonthExpectedCreditLossesMember2020-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:GrossCarryingAmountMember2020-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:AccumulatedImpairmentMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMember2020-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:GrossCarryingAmountMember2020-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:AccumulatedImpairmentMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMember2020-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:GrossCarryingAmountMember2020-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:AccumulatedImpairmentMember2020-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:GrossCarryingAmountMemberifrs-full:TwelvemonthExpectedCreditLossesMemberbbplc:TransfersFromStageOneToStageTwoMember2021-01-012021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:AccumulatedImpairmentMemberifrs-full:TwelvemonthExpectedCreditLossesMemberbbplc:TransfersFromStageOneToStageTwoMember2021-01-012021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:GrossCarryingAmountMemberbbplc:TransfersFromStageOneToStageTwoMember2021-01-012021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:AccumulatedImpairmentMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberbbplc:TransfersFromStageOneToStageTwoMember2021-01-012021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:GrossCarryingAmountMemberbbplc:TransfersFromStageOneToStageTwoMember2021-01-012021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:AccumulatedImpairmentMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberbbplc:TransfersFromStageOneToStageTwoMember2021-01-012021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:GrossCarryingAmountMemberbbplc:TransfersFromStageOneToStageTwoMember2021-01-012021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:AccumulatedImpairmentMemberbbplc:TransfersFromStageOneToStageTwoMember2021-01-012021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberbbplc:TransfersFromStageTwoToStageOneMemberifrs-full:GrossCarryingAmountMemberifrs-full:TwelvemonthExpectedCreditLossesMember2021-01-012021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberbbplc:TransfersFromStageTwoToStageOneMemberifrs-full:AccumulatedImpairmentMemberifrs-full:TwelvemonthExpectedCreditLossesMember2021-01-012021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberbbplc:TransfersFromStageTwoToStageOneMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:GrossCarryingAmountMember2021-01-012021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberbbplc:TransfersFromStageTwoToStageOneMemberifrs-full:AccumulatedImpairmentMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMember2021-01-012021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberbbplc:TransfersFromStageTwoToStageOneMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:GrossCarryingAmountMember2021-01-012021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberbbplc:TransfersFromStageTwoToStageOneMemberifrs-full:AccumulatedImpairmentMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMember2021-01-012021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberbbplc:TransfersFromStageTwoToStageOneMemberifrs-full:GrossCarryingAmountMember2021-01-012021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberbbplc:TransfersFromStageTwoToStageOneMemberifrs-full:AccumulatedImpairmentMember2021-01-012021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberbbplc:TransfersToStageThreeMemberifrs-full:GrossCarryingAmountMemberifrs-full:TwelvemonthExpectedCreditLossesMember2021-01-012021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:AccumulatedImpairmentMemberbbplc:TransfersToStageThreeMemberifrs-full:TwelvemonthExpectedCreditLossesMember2021-01-012021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:LifetimeExpectedCreditLossesMemberbbplc:TransfersToStageThreeMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:GrossCarryingAmountMember2021-01-012021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:AccumulatedImpairmentMemberifrs-full:LifetimeExpectedCreditLossesMemberbbplc:TransfersToStageThreeMemberifrs-full:FinancialInstrumentsNotCreditimpairedMember2021-01-012021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberbbplc:TransfersToStageThreeMemberifrs-full:GrossCarryingAmountMember2021-01-012021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:AccumulatedImpairmentMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberbbplc:TransfersToStageThreeMember2021-01-012021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberbbplc:TransfersToStageThreeMemberifrs-full:GrossCarryingAmountMember2021-01-012021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:AccumulatedImpairmentMemberbbplc:TransfersToStageThreeMember2021-01-012021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberbbplc:TransfersFromStageThreeMemberifrs-full:GrossCarryingAmountMemberifrs-full:TwelvemonthExpectedCreditLossesMember2021-01-012021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:AccumulatedImpairmentMemberbbplc:TransfersFromStageThreeMemberifrs-full:TwelvemonthExpectedCreditLossesMember2021-01-012021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberbbplc:TransfersFromStageThreeMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:GrossCarryingAmountMember2021-01-012021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:AccumulatedImpairmentMemberbbplc:TransfersFromStageThreeMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMember2021-01-012021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberbbplc:TransfersFromStageThreeMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:GrossCarryingAmountMember2021-01-012021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:AccumulatedImpairmentMemberbbplc:TransfersFromStageThreeMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMember2021-01-012021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberbbplc:TransfersFromStageThreeMemberifrs-full:GrossCarryingAmountMember2021-01-012021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:AccumulatedImpairmentMemberbbplc:TransfersFromStageThreeMember2021-01-012021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:GrossCarryingAmountMemberifrs-full:TwelvemonthExpectedCreditLossesMember2021-01-012021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:AccumulatedImpairmentMemberifrs-full:TwelvemonthExpectedCreditLossesMember2021-01-012021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:GrossCarryingAmountMember2021-01-012021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:AccumulatedImpairmentMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMember2021-01-012021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:GrossCarryingAmountMember2021-01-012021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:AccumulatedImpairmentMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMember2021-01-012021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:GrossCarryingAmountMember2021-01-012021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:AccumulatedImpairmentMember2021-01-012021-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:GrossCarryingAmountMemberifrs-full:TwelvemonthExpectedCreditLossesMember2020-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:AccumulatedImpairmentMemberifrs-full:TwelvemonthExpectedCreditLossesMember2020-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:GrossCarryingAmountMember2020-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:AccumulatedImpairmentMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMember2020-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:GrossCarryingAmountMember2020-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:AccumulatedImpairmentMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMember2020-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:GrossCarryingAmountMember2020-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:AccumulatedImpairmentMember2020-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:GrossCarryingAmountMemberifrs-full:TwelvemonthExpectedCreditLossesMemberbbplc:TransfersFromStageOneToStageTwoMember2021-01-012021-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:AccumulatedImpairmentMemberifrs-full:TwelvemonthExpectedCreditLossesMemberbbplc:TransfersFromStageOneToStageTwoMember2021-01-012021-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:GrossCarryingAmountMemberbbplc:TransfersFromStageOneToStageTwoMember2021-01-012021-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:AccumulatedImpairmentMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberbbplc:TransfersFromStageOneToStageTwoMember2021-01-012021-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:GrossCarryingAmountMemberbbplc:TransfersFromStageOneToStageTwoMember2021-01-012021-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:AccumulatedImpairmentMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberbbplc:TransfersFromStageOneToStageTwoMember2021-01-012021-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:GrossCarryingAmountMemberbbplc:TransfersFromStageOneToStageTwoMember2021-01-012021-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:AccumulatedImpairmentMemberbbplc:TransfersFromStageOneToStageTwoMember2021-01-012021-12-310000312070bbplc:TransfersFromStageTwoToStageOneMemberifrs-full:CorporateLoansMemberifrs-full:GrossCarryingAmountMemberifrs-full:TwelvemonthExpectedCreditLossesMember2021-01-012021-12-310000312070bbplc:TransfersFromStageTwoToStageOneMemberifrs-full:CorporateLoansMemberifrs-full:AccumulatedImpairmentMemberifrs-full:TwelvemonthExpectedCreditLossesMember2021-01-012021-12-310000312070bbplc:TransfersFromStageTwoToStageOneMemberifrs-full:CorporateLoansMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:GrossCarryingAmountMember2021-01-012021-12-310000312070bbplc:TransfersFromStageTwoToStageOneMemberifrs-full:CorporateLoansMemberifrs-full:AccumulatedImpairmentMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMember2021-01-012021-12-310000312070bbplc:TransfersFromStageTwoToStageOneMemberifrs-full:CorporateLoansMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:GrossCarryingAmountMember2021-01-012021-12-310000312070bbplc:TransfersFromStageTwoToStageOneMemberifrs-full:CorporateLoansMemberifrs-full:AccumulatedImpairmentMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMember2021-01-012021-12-310000312070bbplc:TransfersFromStageTwoToStageOneMemberifrs-full:CorporateLoansMemberifrs-full:GrossCarryingAmountMember2021-01-012021-12-310000312070bbplc:TransfersFromStageTwoToStageOneMemberifrs-full:CorporateLoansMemberifrs-full:AccumulatedImpairmentMember2021-01-012021-12-310000312070ifrs-full:CorporateLoansMemberbbplc:TransfersToStageThreeMemberifrs-full:GrossCarryingAmountMemberifrs-full:TwelvemonthExpectedCreditLossesMember2021-01-012021-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:AccumulatedImpairmentMemberbbplc:TransfersToStageThreeMemberifrs-full:TwelvemonthExpectedCreditLossesMember2021-01-012021-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:LifetimeExpectedCreditLossesMemberbbplc:TransfersToStageThreeMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:GrossCarryingAmountMember2021-01-012021-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:AccumulatedImpairmentMemberifrs-full:LifetimeExpectedCreditLossesMemberbbplc:TransfersToStageThreeMemberifrs-full:FinancialInstrumentsNotCreditimpairedMember2021-01-012021-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberbbplc:TransfersToStageThreeMemberifrs-full:GrossCarryingAmountMember2021-01-012021-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:AccumulatedImpairmentMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberbbplc:TransfersToStageThreeMember2021-01-012021-12-310000312070ifrs-full:CorporateLoansMemberbbplc:TransfersToStageThreeMemberifrs-full:GrossCarryingAmountMember2021-01-012021-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:AccumulatedImpairmentMemberbbplc:TransfersToStageThreeMember2021-01-012021-12-310000312070ifrs-full:CorporateLoansMemberbbplc:TransfersFromStageThreeMemberifrs-full:GrossCarryingAmountMemberifrs-full:TwelvemonthExpectedCreditLossesMember2021-01-012021-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:AccumulatedImpairmentMemberbbplc:TransfersFromStageThreeMemberifrs-full:TwelvemonthExpectedCreditLossesMember2021-01-012021-12-310000312070ifrs-full:CorporateLoansMemberbbplc:TransfersFromStageThreeMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:GrossCarryingAmountMember2021-01-012021-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:AccumulatedImpairmentMemberbbplc:TransfersFromStageThreeMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMember2021-01-012021-12-310000312070ifrs-full:CorporateLoansMemberbbplc:TransfersFromStageThreeMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:GrossCarryingAmountMember2021-01-012021-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:AccumulatedImpairmentMemberbbplc:TransfersFromStageThreeMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMember2021-01-012021-12-310000312070ifrs-full:CorporateLoansMemberbbplc:TransfersFromStageThreeMemberifrs-full:GrossCarryingAmountMember2021-01-012021-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:AccumulatedImpairmentMemberbbplc:TransfersFromStageThreeMember2021-01-012021-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:GrossCarryingAmountMemberifrs-full:TwelvemonthExpectedCreditLossesMember2021-01-012021-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:AccumulatedImpairmentMemberifrs-full:TwelvemonthExpectedCreditLossesMember2021-01-012021-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:GrossCarryingAmountMember2021-01-012021-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:AccumulatedImpairmentMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMember2021-01-012021-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:GrossCarryingAmountMember2021-01-012021-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:AccumulatedImpairmentMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMember2021-01-012021-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:GrossCarryingAmountMember2021-01-012021-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:AccumulatedImpairmentMember2021-01-012021-12-310000312070ifrs-full:LoansAndReceivablesCategoryMemberifrs-full:GrossCarryingAmountMemberifrs-full:FinancialAssetsAtAmortisedCostMember2020-01-012020-12-310000312070bbplc:OtherFinancialAssetsSubjectToImpairmentMemberifrs-full:GrossCarryingAmountMember2020-12-310000312070ifrs-full:AccumulatedImpairmentMemberbbplc:OtherFinancialAssetsSubjectToImpairmentMember2020-12-310000312070ifrs-full:AccumulatedImpairmentMemberbbplc:OtherFinancialAssetsSubjectToImpairmentMemberifrs-full:ProvisionForCreditCommitmentsMemberifrs-full:TwelvemonthExpectedCreditLossesMember2021-12-310000312070ifrs-full:AccumulatedImpairmentMemberbbplc:OtherFinancialAssetsSubjectToImpairmentMemberifrs-full:ProvisionForCreditCommitmentsMemberifrs-full:TwelvemonthExpectedCreditLossesMember2020-12-310000312070bbplc:OtherFinancialAssetsSubjectToImpairmentMemberifrs-full:GrossCarryingAmountMemberifrs-full:TwelvemonthExpectedCreditLossesMember2020-12-310000312070ifrs-full:AccumulatedImpairmentMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMemberifrs-full:FinancialInstrumentsNotCreditimpairedMember2021-12-310000312070ifrs-full:AccumulatedImpairmentMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMemberifrs-full:FinancialInstrumentsNotCreditimpairedMember2020-12-310000312070ifrs-full:LifetimeExpectedCreditLossesMemberbbplc:OtherFinancialAssetsSubjectToImpairmentMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:GrossCarryingAmountMember2020-12-310000312070ifrs-full:AccumulatedImpairmentMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:OtherAssetsMemberifrs-full:LifetimeExpectedCreditLossesMember2020-12-310000312070ifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:OtherAssetsMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:GrossCarryingAmountMember2020-12-310000312070ifrs-full:TwelvemonthExpectedCreditLossesMemberifrs-full:MortgagesMember2021-01-012021-12-310000312070ifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:MortgagesMember2021-01-012021-12-310000312070ifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:MortgagesMember2021-01-012021-12-310000312070ifrs-full:MortgagesMember2021-01-012021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:TwelvemonthExpectedCreditLossesMember2021-01-012021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMember2021-01-012021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMember2021-01-012021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMember2021-01-012021-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:TwelvemonthExpectedCreditLossesMember2021-01-012021-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMember2021-01-012021-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMember2021-01-012021-12-310000312070ifrs-full:CorporateLoansMember2021-01-012021-12-310000312070ifrs-full:LoansAndReceivablesCategoryMemberifrs-full:TwelvemonthExpectedCreditLossesMember2021-01-012021-12-310000312070ifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:LoansAndReceivablesCategoryMember2021-01-012021-12-310000312070ifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:LoansAndReceivablesCategoryMember2021-01-012021-12-310000312070ifrs-full:LoansAndReceivablesCategoryMember2021-01-012021-12-310000312070ifrs-full:TwelvemonthExpectedCreditLossesMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMember2021-01-012021-12-310000312070ifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMember2021-01-012021-12-310000312070ifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMember2021-01-012021-12-310000312070bbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMember2021-01-012021-12-310000312070bbplc:OtherFinancialAssetsSubjectToImpairmentMemberifrs-full:TwelvemonthExpectedCreditLossesMember2021-01-012021-12-310000312070ifrs-full:LifetimeExpectedCreditLossesMemberbbplc:OtherFinancialAssetsSubjectToImpairmentMemberifrs-full:FinancialInstrumentsNotCreditimpairedMember2021-01-012021-12-310000312070ifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberbbplc:OtherFinancialAssetsSubjectToImpairmentMember2021-01-012021-12-310000312070bbplc:OtherFinancialAssetsSubjectToImpairmentMember2021-01-012021-12-310000312070ifrs-full:TwelvemonthExpectedCreditLossesMember2021-01-012021-12-310000312070ifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMember2021-01-012021-12-310000312070ifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMember2021-01-012021-12-3100003120702021-01-012021-12-310000312070ifrs-full:FinancialGuaranteeContractsMember2021-01-012021-12-310000312070bbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:GrossCarryingAmountMemberifrs-full:TwelvemonthExpectedCreditLossesMemberifrs-full:MortgagesMember2020-12-310000312070ifrs-full:AccumulatedImpairmentMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:TwelvemonthExpectedCreditLossesMemberifrs-full:MortgagesMember2020-12-310000312070bbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:GrossCarryingAmountMemberifrs-full:MortgagesMember2020-12-310000312070ifrs-full:AccumulatedImpairmentMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:MortgagesMember2020-12-310000312070ifrs-full:FinancialInstrumentsCreditimpairedMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:GrossCarryingAmountMemberifrs-full:MortgagesMember2020-12-310000312070ifrs-full:AccumulatedImpairmentMemberifrs-full:FinancialInstrumentsCreditimpairedMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:MortgagesMember2020-12-310000312070bbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:GrossCarryingAmountMemberifrs-full:MortgagesMember2020-12-310000312070ifrs-full:AccumulatedImpairmentMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:MortgagesMember2020-12-310000312070bbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:GrossCarryingAmountMemberifrs-full:TwelvemonthExpectedCreditLossesMemberifrs-full:MortgagesMember2021-01-012021-12-310000312070ifrs-full:AccumulatedImpairmentMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:TwelvemonthExpectedCreditLossesMemberifrs-full:MortgagesMember2021-01-012021-12-310000312070bbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:GrossCarryingAmountMemberifrs-full:MortgagesMember2021-01-012021-12-310000312070ifrs-full:AccumulatedImpairmentMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:MortgagesMember2021-01-012021-12-310000312070ifrs-full:FinancialInstrumentsCreditimpairedMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:GrossCarryingAmountMemberifrs-full:MortgagesMember2021-01-012021-12-310000312070ifrs-full:AccumulatedImpairmentMemberifrs-full:FinancialInstrumentsCreditimpairedMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:MortgagesMember2021-01-012021-12-310000312070bbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:GrossCarryingAmountMemberifrs-full:MortgagesMember2021-01-012021-12-310000312070ifrs-full:AccumulatedImpairmentMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:MortgagesMember2021-01-012021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:GrossCarryingAmountMemberifrs-full:TwelvemonthExpectedCreditLossesMember2020-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:AccumulatedImpairmentMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:TwelvemonthExpectedCreditLossesMember2020-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:GrossCarryingAmountMember2020-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:AccumulatedImpairmentMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMember2020-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:FinancialInstrumentsCreditimpairedMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:GrossCarryingAmountMember2020-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:AccumulatedImpairmentMemberifrs-full:FinancialInstrumentsCreditimpairedMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:LifetimeExpectedCreditLossesMember2020-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:GrossCarryingAmountMember2020-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:AccumulatedImpairmentMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMember2020-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:GrossCarryingAmountMemberifrs-full:TwelvemonthExpectedCreditLossesMember2021-01-012021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:AccumulatedImpairmentMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:TwelvemonthExpectedCreditLossesMember2021-01-012021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:GrossCarryingAmountMember2021-01-012021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:AccumulatedImpairmentMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMember2021-01-012021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:FinancialInstrumentsCreditimpairedMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:GrossCarryingAmountMember2021-01-012021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:AccumulatedImpairmentMemberifrs-full:FinancialInstrumentsCreditimpairedMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:LifetimeExpectedCreditLossesMember2021-01-012021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:GrossCarryingAmountMember2021-01-012021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:AccumulatedImpairmentMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMember2021-01-012021-12-310000312070ifrs-full:CorporateLoansMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:GrossCarryingAmountMemberifrs-full:TwelvemonthExpectedCreditLossesMember2020-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:AccumulatedImpairmentMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:TwelvemonthExpectedCreditLossesMember2020-12-310000312070ifrs-full:CorporateLoansMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:GrossCarryingAmountMember2020-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:AccumulatedImpairmentMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMember2020-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:FinancialInstrumentsCreditimpairedMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:GrossCarryingAmountMember2020-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:AccumulatedImpairmentMemberifrs-full:FinancialInstrumentsCreditimpairedMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:LifetimeExpectedCreditLossesMember2020-12-310000312070ifrs-full:CorporateLoansMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:GrossCarryingAmountMember2020-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:AccumulatedImpairmentMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMember2020-12-310000312070ifrs-full:CorporateLoansMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:GrossCarryingAmountMemberifrs-full:TwelvemonthExpectedCreditLossesMember2021-01-012021-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:AccumulatedImpairmentMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:TwelvemonthExpectedCreditLossesMember2021-01-012021-12-310000312070ifrs-full:CorporateLoansMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:GrossCarryingAmountMember2021-01-012021-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:AccumulatedImpairmentMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMember2021-01-012021-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:FinancialInstrumentsCreditimpairedMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:GrossCarryingAmountMember2021-01-012021-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:AccumulatedImpairmentMemberifrs-full:FinancialInstrumentsCreditimpairedMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:LifetimeExpectedCreditLossesMember2021-01-012021-12-310000312070bbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:GrossCarryingAmountMember2021-01-012021-12-310000312070ifrs-full:AccumulatedImpairmentMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMember2021-01-012021-12-310000312070ifrs-full:CorporateLoansMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMemberifrs-full:GrossCarryingAmountMember2021-01-012021-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:AccumulatedImpairmentMemberbbplc:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMember2021-01-012021-12-310000312070ifrs-full:MortgagesMember2022-12-310000312070ifrs-full:MortgagesMemberbbplc:EconomicUncertaintyAdjustmentsMember2022-12-310000312070bbplc:OtherAdjustmentsMemberifrs-full:MortgagesMember2022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMember2022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberbbplc:EconomicUncertaintyAdjustmentsMember2022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberbbplc:OtherAdjustmentsMember2022-12-310000312070ifrs-full:CorporateLoansMember2022-12-310000312070ifrs-full:CorporateLoansMemberbbplc:EconomicUncertaintyAdjustmentsMember2022-12-310000312070ifrs-full:CorporateLoansMemberbbplc:OtherAdjustmentsMember2022-12-310000312070ifrs-full:LoansAndReceivablesCategoryMember2022-12-310000312070ifrs-full:LoansAndReceivablesCategoryMemberbbplc:EconomicUncertaintyAdjustmentsMember2022-12-310000312070bbplc:OtherAdjustmentsMemberifrs-full:LoansAndReceivablesCategoryMember2022-12-310000312070ifrs-full:MortgagesMember2021-12-310000312070ifrs-full:MortgagesMemberbbplc:EconomicUncertaintyAdjustmentsMember2021-12-310000312070bbplc:OtherAdjustmentsMemberifrs-full:MortgagesMember2021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMember2021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberbbplc:EconomicUncertaintyAdjustmentsMember2021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberbbplc:OtherAdjustmentsMember2021-12-310000312070ifrs-full:CorporateLoansMember2021-12-310000312070ifrs-full:CorporateLoansMemberbbplc:EconomicUncertaintyAdjustmentsMember2021-12-310000312070ifrs-full:CorporateLoansMemberbbplc:OtherAdjustmentsMember2021-12-310000312070ifrs-full:LoansAndReceivablesCategoryMember2021-12-310000312070ifrs-full:LoansAndReceivablesCategoryMemberbbplc:EconomicUncertaintyAdjustmentsMember2021-12-310000312070bbplc:OtherAdjustmentsMemberifrs-full:LoansAndReceivablesCategoryMember2021-12-310000312070ifrs-full:TwelvemonthExpectedCreditLossesMemberifrs-full:MortgagesMemberbbplc:EconomicUncertaintyAdjustmentsMember2022-12-310000312070ifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:MortgagesMemberbbplc:EconomicUncertaintyAdjustmentsMember2022-12-310000312070ifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:MortgagesMemberbbplc:EconomicUncertaintyAdjustmentsMember2022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:TwelvemonthExpectedCreditLossesMemberbbplc:EconomicUncertaintyAdjustmentsMember2022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberbbplc:EconomicUncertaintyAdjustmentsMember2022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberbbplc:EconomicUncertaintyAdjustmentsMember2022-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:TwelvemonthExpectedCreditLossesMemberbbplc:EconomicUncertaintyAdjustmentsMember2022-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberbbplc:EconomicUncertaintyAdjustmentsMember2022-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberbbplc:EconomicUncertaintyAdjustmentsMember2022-12-310000312070ifrs-full:LoansAndReceivablesCategoryMemberifrs-full:TwelvemonthExpectedCreditLossesMemberbbplc:EconomicUncertaintyAdjustmentsMember2022-12-310000312070ifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:LoansAndReceivablesCategoryMemberbbplc:EconomicUncertaintyAdjustmentsMember2022-12-310000312070ifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:LoansAndReceivablesCategoryMemberbbplc:EconomicUncertaintyAdjustmentsMember2022-12-310000312070ifrs-full:TwelvemonthExpectedCreditLossesMemberifrs-full:MortgagesMemberbbplc:EconomicUncertaintyAdjustmentsMember2021-12-310000312070ifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:MortgagesMemberbbplc:EconomicUncertaintyAdjustmentsMember2021-12-310000312070ifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:MortgagesMemberbbplc:EconomicUncertaintyAdjustmentsMember2021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:TwelvemonthExpectedCreditLossesMemberbbplc:EconomicUncertaintyAdjustmentsMember2021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberbbplc:EconomicUncertaintyAdjustmentsMember2021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberbbplc:EconomicUncertaintyAdjustmentsMember2021-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:TwelvemonthExpectedCreditLossesMemberbbplc:EconomicUncertaintyAdjustmentsMember2021-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberbbplc:EconomicUncertaintyAdjustmentsMember2021-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberbbplc:EconomicUncertaintyAdjustmentsMember2021-12-310000312070ifrs-full:LoansAndReceivablesCategoryMemberifrs-full:TwelvemonthExpectedCreditLossesMemberbbplc:EconomicUncertaintyAdjustmentsMember2021-12-310000312070ifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:FinancialInstrumentsNotCreditimpairedMemberifrs-full:LoansAndReceivablesCategoryMemberbbplc:EconomicUncertaintyAdjustmentsMember2021-12-310000312070ifrs-full:FinancialInstrumentsCreditimpairedMemberifrs-full:LifetimeExpectedCreditLossesMemberifrs-full:LoansAndReceivablesCategoryMemberbbplc:EconomicUncertaintyAdjustmentsMember2021-12-310000312070ifrs-full:ExpectedCreditLossesCollectivelyAssessedMemberifrs-full:LoansAndReceivablesCategoryMember2022-12-310000312070ifrs-full:ExpectedCreditLossesCollectivelyAssessedMemberifrs-full:LoansAndReceivablesCategoryMember2021-12-310000312070ifrs-full:ExpectedCreditLossesIndividuallyAssessedMemberifrs-full:LoansAndReceivablesCategoryMember2022-12-310000312070ifrs-full:ExpectedCreditLossesIndividuallyAssessedMemberifrs-full:LoansAndReceivablesCategoryMember2021-12-310000312070bbplc:ExpectedCreditLossesFromNonModelledExposuresMemberifrs-full:LoansAndReceivablesCategoryMember2022-12-310000312070bbplc:ExpectedCreditLossesFromNonModelledExposuresMemberifrs-full:LoansAndReceivablesCategoryMember2021-12-310000312070ifrs-full:LoansAndReceivablesCategoryMemberifrs-full:MajorCustomersMemberbbplc:EconomicUncertaintyAdjustmentsMember2022-12-310000312070ifrs-full:LoansAndReceivablesCategoryMemberifrs-full:MajorCustomersMemberbbplc:EconomicUncertaintyAdjustmentsMember2021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:MajorCustomersMemberbbplc:EconomicUncertaintyAdjustmentsMember2022-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:MajorCustomersMemberbbplc:EconomicUncertaintyAdjustmentsMember2021-12-310000312070bbplc:CreditCardsUnsecuredAndOtherRetailLendingMemberifrs-full:MajorCustomersMemberbbplc:EconomicUncertaintyAdjustmentsMember2022-01-012022-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:MajorCustomersMemberbbplc:EconomicUncertaintyAdjustmentsMember2022-12-310000312070ifrs-full:CorporateLoansMemberifrs-full:MajorCustomersMemberbbplc:EconomicUncertaintyAdjustmentsMember2021-12-310000312070bbplc:ModelUncertaintyRiskMemberifrs-full:LoansAndReceivablesCategoryMemberbbplc:EconomicUncertaintyAdjustmentsMember2022-12-310000312070bbplc:ModelUncertaintyRiskMemberifrs-full:LoansAndReceivablesCategoryMemberbbplc:EconomicUncertaintyAdjustmentsMember2021-12-310000312070ifrs-full:CorporateLoansMemberbbplc:ModelUncertaintyRiskMemberbbplc:EconomicUncertaintyAdjustmentsMember2022-12-310000312070ifrs-full:CorporateLoansMemberbbplc:ModelUncertaintyRiskMemberbbplc:EconomicUncertaintyAdjustmentsMember2021-12-310000312070bbplc:GrossDomesticProductEconomicVariableMemberbbplc:BaselineMemberifrs-full:NotLaterThanOneYearMembercountry:GB2022-12-310000312070bbplc:GrossDomesticProductEconomicVariableMemberifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMemberbbplc:BaselineMembercountry:GB2022-12-310000312070bbplc:GrossDomesticProductEconomicVariableMemberifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMemberbbplc:BaselineMembercountry:GB2022-12-310000312070bbplc:GrossDomesticProductEconomicVariableMemberbbplc:BaselineMemberifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMembercountry:GB2022-12-310000312070ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMemberbbplc:GrossDomesticProductEconomicVariableMemberbbplc:BaselineMembercountry:GB2022-12-310000312070bbplc:UnemploymentEconomicCoreVariableMemberbbplc:BaselineMemberifrs-full:NotLaterThanOneYearMembercountry:GB2022-12-310000312070ifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMemberbbplc:UnemploymentEconomicCoreVariableMemberbbplc:BaselineMembercountry:GB2022-12-310000312070ifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMemberbbplc:UnemploymentEconomicCoreVariableMemberbbplc:BaselineMembercountry:GB2022-12-310000312070bbplc:UnemploymentEconomicCoreVariableMemberbbplc:BaselineMemberifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMembercountry:GB2022-12-310000312070ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMemberbbplc:UnemploymentEconomicCoreVariableMemberbbplc:BaselineMembercountry:GB2022-12-310000312070bbplc:HousePriceIndexEconomicCoreVariableMemberbbplc:BaselineMemberifrs-full:NotLaterThanOneYearMembercountry:GB2022-12-310000312070ifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMemberbbplc:HousePriceIndexEconomicCoreVariableMemberbbplc:BaselineMembercountry:GB2022-12-310000312070ifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMemberbbplc:HousePriceIndexEconomicCoreVariableMemberbbplc:BaselineMembercountry:GB2022-12-310000312070bbplc:HousePriceIndexEconomicCoreVariableMemberbbplc:BaselineMemberifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMembercountry:GB2022-12-310000312070ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMemberbbplc:HousePriceIndexEconomicCoreVariableMemberbbplc:BaselineMembercountry:GB2022-12-310000312070bbplc:BankRateMemberbbplc:BaselineMemberifrs-full:NotLaterThanOneYearMembercountry:GB2022-12-310000312070ifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMemberbbplc:BankRateMemberbbplc:BaselineMembercountry:GB2022-12-310000312070ifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMemberbbplc:BankRateMemberbbplc:BaselineMembercountry:GB2022-12-310000312070bbplc:BankRateMemberbbplc:BaselineMemberifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMembercountry:GB2022-12-310000312070ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMemberbbplc:BankRateMemberbbplc:BaselineMembercountry:GB2022-12-310000312070country:USbbplc:GrossDomesticProductEconomicVariableMemberbbplc:BaselineMemberifrs-full:NotLaterThanOneYearMember2022-12-310000312070country:USbbplc:GrossDomesticProductEconomicVariableMemberifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMemberbbplc:BaselineMember2022-12-310000312070country:USbbplc:GrossDomesticProductEconomicVariableMemberifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMemberbbplc:BaselineMember2022-12-310000312070country:USbbplc:GrossDomesticProductEconomicVariableMemberbbplc:BaselineMemberifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMember2022-12-310000312070ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMembercountry:USbbplc:GrossDomesticProductEconomicVariableMemberbbplc:BaselineMember2022-12-310000312070country:USbbplc:UnemploymentEconomicCoreVariableMemberbbplc:BaselineMemberifrs-full:NotLaterThanOneYearMember2022-12-310000312070country:USifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMemberbbplc:UnemploymentEconomicCoreVariableMemberbbplc:BaselineMember2022-12-310000312070country:USifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMemberbbplc:UnemploymentEconomicCoreVariableMemberbbplc:BaselineMember2022-12-310000312070country:USbbplc:UnemploymentEconomicCoreVariableMemberbbplc:BaselineMemberifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMember2022-12-310000312070ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMembercountry:USbbplc:UnemploymentEconomicCoreVariableMemberbbplc:BaselineMember2022-12-310000312070country:USbbplc:HousePriceIndexEconomicCoreVariableMemberbbplc:BaselineMemberifrs-full:NotLaterThanOneYearMember2022-12-310000312070country:USifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMemberbbplc:HousePriceIndexEconomicCoreVariableMemberbbplc:BaselineMember2022-12-310000312070country:USifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMemberbbplc:HousePriceIndexEconomicCoreVariableMemberbbplc:BaselineMember2022-12-310000312070country:USbbplc:HousePriceIndexEconomicCoreVariableMemberbbplc:BaselineMemberifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMember2022-12-310000312070ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMembercountry:USbbplc:HousePriceIndexEconomicCoreVariableMemberbbplc:BaselineMember2022-12-310000312070country:USbbplc:FederalFundsRateMemberbbplc:BaselineMemberifrs-full:NotLaterThanOneYearMember2022-12-310000312070country:USifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMemberbbplc:FederalFundsRateMemberbbplc:BaselineMember2022-12-310000312070country:USifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMemberbbplc:FederalFundsRateMemberbbplc:BaselineMember2022-12-310000312070country:USbbplc:FederalFundsRateMemberbbplc:BaselineMemberifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMember2022-12-310000312070ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMembercountry:USbbplc:FederalFundsRateMemberbbplc:BaselineMember2022-12-310000312070bbplc:GrossDomesticProductEconomicVariableMemberbbplc:BaselineMemberifrs-full:NotLaterThanOneYearMembercountry:GB2021-12-310000312070bbplc:GrossDomesticProductEconomicVariableMemberifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMemberbbplc:BaselineMembercountry:GB2021-12-310000312070bbplc:GrossDomesticProductEconomicVariableMemberifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMemberbbplc:BaselineMembercountry:GB2021-12-310000312070bbplc:GrossDomesticProductEconomicVariableMemberbbplc:BaselineMemberifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMembercountry:GB2021-12-310000312070ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMemberbbplc:GrossDomesticProductEconomicVariableMemberbbplc:BaselineMembercountry:GB2021-12-310000312070bbplc:UnemploymentEconomicCoreVariableMemberbbplc:BaselineMemberifrs-full:NotLaterThanOneYearMembercountry:GB2021-12-310000312070ifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMemberbbplc:UnemploymentEconomicCoreVariableMemberbbplc:BaselineMembercountry:GB2021-12-310000312070ifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMemberbbplc:UnemploymentEconomicCoreVariableMemberbbplc:BaselineMembercountry:GB2021-12-310000312070bbplc:UnemploymentEconomicCoreVariableMemberbbplc:BaselineMemberifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMembercountry:GB2021-12-310000312070ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMemberbbplc:UnemploymentEconomicCoreVariableMemberbbplc:BaselineMembercountry:GB2021-12-310000312070bbplc:HousePriceIndexEconomicCoreVariableMemberbbplc:BaselineMemberifrs-full:NotLaterThanOneYearMembercountry:GB2021-12-310000312070ifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMemberbbplc:HousePriceIndexEconomicCoreVariableMemberbbplc:BaselineMembercountry:GB2021-12-310000312070ifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMemberbbplc:HousePriceIndexEconomicCoreVariableMemberbbplc:BaselineMembercountry:GB2021-12-310000312070bbplc:HousePriceIndexEconomicCoreVariableMemberbbplc:BaselineMemberifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMembercountry:GB2021-12-310000312070ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMemberbbplc:HousePriceIndexEconomicCoreVariableMemberbbplc:BaselineMembercountry:GB2021-12-310000312070bbplc:BankRateMemberbbplc:BaselineMemberifrs-full:NotLaterThanOneYearMembercountry:GB2021-12-310000312070ifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMemberbbplc:BankRateMemberbbplc:BaselineMembercountry:GB2021-12-310000312070ifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMemberbbplc:BankRateMemberbbplc:BaselineMembercountry:GB2021-12-310000312070bbplc:BankRateMemberbbplc:BaselineMemberifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMembercountry:GB2021-12-310000312070ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMemberbbplc:BankRateMemberbbplc:BaselineMembercountry:GB2021-12-310000312070country:USbbplc:GrossDomesticProductEconomicVariableMemberbbplc:BaselineMemberifrs-full:NotLaterThanOneYearMember2021-12-310000312070country:USbbplc:GrossDomesticProductEconomicVariableMemberifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMemberbbplc:BaselineMember2021-12-310000312070country:USbbplc:GrossDomesticProductEconomicVariableMemberifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMemberbbplc:BaselineMember2021-12-310000312070country:USbbplc:GrossDomesticProductEconomicVariableMemberbbplc:BaselineMemberifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMember2021-12-310000312070ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMembercountry:USbbplc:GrossDomesticProductEconomicVariableMemberbbplc:BaselineMember2021-12-310000312070country:USbbplc:UnemploymentEconomicCoreVariableMemberbbplc:BaselineMemberifrs-full:NotLaterThanOneYearMember2021-12-310000312070country:USifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMemberbbplc:UnemploymentEconomicCoreVariableMemberbbplc:BaselineMember2021-12-310000312070country:USifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMemberbbplc:UnemploymentEconomicCoreVariableMemberbbplc:BaselineMember2021-12-310000312070country:USbbplc:UnemploymentEconomicCoreVariableMemberbbplc:BaselineMemberifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMember2021-12-310000312070ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMembercountry:USbbplc:UnemploymentEconomicCoreVariableMemberbbplc:BaselineMember2021-12-310000312070country:USbbplc:HousePriceIndexEconomicCoreVariableMemberbbplc:BaselineMemberifrs-full:NotLaterThanOneYearMember2021-12-310000312070country:USifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMemberbbplc:HousePriceIndexEconomicCoreVariableMemberbbplc:BaselineMember2021-12-310000312070country:USifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMemberbbplc:HousePriceIndexEconomicCoreVariableMemberbbplc:BaselineMember2021-12-310000312070country:USbbplc:HousePriceIndexEconomicCoreVariableMemberbbplc:BaselineMemberifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMember2021-12-310000312070ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMembercountry:USbbplc:HousePriceIndexEconomicCoreVariableMemberbbplc:BaselineMember2021-12-310000312070country:USbbplc:FederalFundsRateMemberbbplc:BaselineMemberifrs-full:NotLaterThanOneYearMember2021-12-310000312070country:USifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMemberbbplc:FederalFundsRateMemberbbplc:BaselineMember2021-12-310000312070country:USifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMemberbbplc:FederalFundsRateMemberbbplc:BaselineMember2021-12-310000312070country:USbbplc:FederalFundsRateMemberbbplc:BaselineMemberifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMember2021-12-310000312070ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMembercountry:USbbplc:FederalFundsRateMemberbbplc:BaselineMember2021-12-310000312070bbplc:GrossDomesticProductEconomicVariableMemberbbplc:DownsideTwoMemberifrs-full:NotLaterThanOneYearMembercountry:GB2022-12-310000312070bbplc:GrossDomesticProductEconomicVariableMemberifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMemberbbplc:DownsideTwoMembercountry:GB2022-12-310000312070bbplc:GrossDomesticProductEconomicVariableMemberifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMemberbbplc:DownsideTwoMembercountry:GB2022-12-310000312070bbplc:GrossDomesticProductEconomicVariableMemberbbplc:DownsideTwoMemberifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMembercountry:GB2022-12-310000312070ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMemberbbplc:GrossDomesticProductEconomicVariableMemberbbplc:DownsideTwoMembercountry:GB2022-12-310000312070bbplc:UnemploymentEconomicCoreVariableMemberbbplc:DownsideTwoMemberifrs-full:NotLaterThanOneYearMembercountry:GB2022-12-310000312070ifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMemberbbplc:UnemploymentEconomicCoreVariableMemberbbplc:DownsideTwoMembercountry:GB2022-12-310000312070ifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMemberbbplc:UnemploymentEconomicCoreVariableMemberbbplc:DownsideTwoMembercountry:GB2022-12-310000312070bbplc:UnemploymentEconomicCoreVariableMemberbbplc:DownsideTwoMemberifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMembercountry:GB2022-12-310000312070ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMemberbbplc:UnemploymentEconomicCoreVariableMemberbbplc:DownsideTwoMembercountry:GB2022-12-310000312070bbplc:DownsideTwoMemberbbplc:HousePriceIndexEconomicCoreVariableMemberifrs-full:NotLaterThanOneYearMembercountry:GB2022-12-310000312070ifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMemberbbplc:DownsideTwoMemberbbplc:HousePriceIndexEconomicCoreVariableMembercountry:GB2022-12-310000312070ifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMemberbbplc:DownsideTwoMemberbbplc:HousePriceIndexEconomicCoreVariableMembercountry:GB2022-12-310000312070bbplc:DownsideTwoMemberbbplc:HousePriceIndexEconomicCoreVariableMemberifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMembercountry:GB2022-12-310000312070ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMemberbbplc:DownsideTwoMemberbbplc:HousePriceIndexEconomicCoreVariableMembercountry:GB2022-12-310000312070bbplc:DownsideTwoMemberbbplc:BankRateMemberifrs-full:NotLaterThanOneYearMembercountry:GB2022-12-310000312070ifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMemberbbplc:DownsideTwoMemberbbplc:BankRateMembercountry:GB2022-12-310000312070ifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMemberbbplc:DownsideTwoMemberbbplc:BankRateMembercountry:GB2022-12-310000312070bbplc:DownsideTwoMemberbbplc:BankRateMemberifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMembercountry:GB2022-12-310000312070ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMemberbbplc:DownsideTwoMemberbbplc:BankRateMembercountry:GB2022-12-310000312070country:USbbplc:GrossDomesticProductEconomicVariableMemberbbplc:DownsideTwoMemberifrs-full:NotLaterThanOneYearMember2022-12-310000312070country:USbbplc:GrossDomesticProductEconomicVariableMemberifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMemberbbplc:DownsideTwoMember2022-12-310000312070country:USbbplc:GrossDomesticProductEconomicVariableMemberifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMemberbbplc:DownsideTwoMember2022-12-310000312070country:USbbplc:GrossDomesticProductEconomicVariableMemberbbplc:DownsideTwoMemberifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMember2022-12-310000312070ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMembercountry:USbbplc:GrossDomesticProductEconomicVariableMemberbbplc:DownsideTwoMember2022-12-310000312070country:USbbplc:UnemploymentEconomicCoreVariableMemberbbplc:DownsideTwoMemberifrs-full:NotLaterThanOneYearMember2022-12-310000312070country:USifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMemberbbplc:UnemploymentEconomicCoreVariableMemberbbplc:DownsideTwoMember2022-12-310000312070country:USifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMemberbbplc:UnemploymentEconomicCoreVariableMemberbbplc:DownsideTwoMember2022-12-310000312070country:USbbplc:UnemploymentEconomicCoreVariableMemberbbplc:DownsideTwoMemberifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMember2022-12-310000312070ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMembercountry:USbbplc:UnemploymentEconomicCoreVariableMemberbbplc:DownsideTwoMember2022-12-310000312070country:USbbplc:DownsideTwoMemberbbplc:HousePriceIndexEconomicCoreVariableMemberifrs-full:NotLaterThanOneYearMember2022-12-310000312070country:USifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMemberbbplc:DownsideTwoMemberbbplc:HousePriceIndexEconomicCoreVariableMember2022-12-310000312070country:USifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMemberbbplc:DownsideTwoMemberbbplc:HousePriceIndexEconomicCoreVariableMember2022-12-310000312070country:USbbplc:DownsideTwoMemberbbplc:HousePriceIndexEconomicCoreVariableMemberifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMember2022-12-310000312070ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMembercountry:USbbplc:DownsideTwoMemberbbplc:HousePriceIndexEconomicCoreVariableMember2022-12-310000312070country:USbbplc:DownsideTwoMemberbbplc:FederalFundsRateMemberifrs-full:NotLaterThanOneYearMember2022-12-310000312070country:USifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMemberbbplc:DownsideTwoMemberbbplc:FederalFundsRateMember2022-12-310000312070country:USifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMemberbbplc:DownsideTwoMemberbbplc:FederalFundsRateMember2022-12-310000312070country:USbbplc:DownsideTwoMemberbbplc:FederalFundsRateMemberifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMember2022-12-310000312070ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMembercountry:USbbplc:DownsideTwoMemberbbplc:FederalFundsRateMember2022-12-310000312070bbplc:GrossDomesticProductEconomicVariableMemberbbplc:DownsideTwoMemberifrs-full:NotLaterThanOneYearMembercountry:GB2021-12-310000312070bbplc:GrossDomesticProductEconomicVariableMemberifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMemberbbplc:DownsideTwoMembercountry:GB2021-12-310000312070bbplc:GrossDomesticProductEconomicVariableMemberifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMemberbbplc:DownsideTwoMembercountry:GB2021-12-310000312070bbplc:GrossDomesticProductEconomicVariableMemberbbplc:DownsideTwoMemberifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMembercountry:GB2021-12-310000312070ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMemberbbplc:GrossDomesticProductEconomicVariableMemberbbplc:DownsideTwoMembercountry:GB2021-12-310000312070bbplc:UnemploymentEconomicCoreVariableMemberbbplc:DownsideTwoMemberifrs-full:NotLaterThanOneYearMembercountry:GB2021-12-310000312070ifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMemberbbplc:UnemploymentEconomicCoreVariableMemberbbplc:DownsideTwoMembercountry:GB2021-12-310000312070ifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMemberbbplc:UnemploymentEconomicCoreVariableMemberbbplc:DownsideTwoMembercountry:GB2021-12-310000312070bbplc:UnemploymentEconomicCoreVariableMemberbbplc:DownsideTwoMemberifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMembercountry:GB2021-12-310000312070ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMemberbbplc:UnemploymentEconomicCoreVariableMemberbbplc:DownsideTwoMembercountry:GB2021-12-310000312070bbplc:DownsideTwoMemberbbplc:HousePriceIndexEconomicCoreVariableMemberifrs-full:NotLaterThanOneYearMembercountry:GB2021-12-310000312070ifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMemberbbplc:DownsideTwoMemberbbplc:HousePriceIndexEconomicCoreVariableMembercountry:GB2021-12-310000312070ifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMemberbbplc:DownsideTwoMemberbbplc:HousePriceIndexEconomicCoreVariableMembercountry:GB2021-12-310000312070bbplc:DownsideTwoMemberbbplc:HousePriceIndexEconomicCoreVariableMemberifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMembercountry:GB2021-12-310000312070ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMemberbbplc:DownsideTwoMemberbbplc:HousePriceIndexEconomicCoreVariableMembercountry:GB2021-12-310000312070bbplc:DownsideTwoMemberbbplc:BankRateMemberifrs-full:NotLaterThanOneYearMembercountry:GB2021-12-310000312070ifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMemberbbplc:DownsideTwoMemberbbplc:BankRateMembercountry:GB2021-12-310000312070ifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMemberbbplc:DownsideTwoMemberbbplc:BankRateMembercountry:GB2021-12-310000312070bbplc:DownsideTwoMemberbbplc:BankRateMemberifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMembercountry:GB2021-12-310000312070ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMemberbbplc:DownsideTwoMemberbbplc:BankRateMembercountry:GB2021-12-310000312070country:USbbplc:GrossDomesticProductEconomicVariableMemberbbplc:DownsideTwoMemberifrs-full:NotLaterThanOneYearMember2021-12-310000312070country:USbbplc:GrossDomesticProductEconomicVariableMemberifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMemberbbplc:DownsideTwoMember2021-12-310000312070country:USbbplc:GrossDomesticProductEconomicVariableMemberifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMemberbbplc:DownsideTwoMember2021-12-310000312070country:USbbplc:GrossDomesticProductEconomicVariableMemberbbplc:DownsideTwoMemberifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMember2021-12-310000312070ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMembercountry:USbbplc:GrossDomesticProductEconomicVariableMemberbbplc:DownsideTwoMember2021-12-310000312070country:USbbplc:UnemploymentEconomicCoreVariableMemberbbplc:DownsideTwoMemberifrs-full:NotLaterThanOneYearMember2021-12-310000312070country:USifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMemberbbplc:UnemploymentEconomicCoreVariableMemberbbplc:DownsideTwoMember2021-12-310000312070country:USifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMemberbbplc:UnemploymentEconomicCoreVariableMemberbbplc:DownsideTwoMember2021-12-310000312070country:USbbplc:UnemploymentEconomicCoreVariableMemberbbplc:DownsideTwoMemberifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMember2021-12-310000312070ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMembercountry:USbbplc:UnemploymentEconomicCoreVariableMemberbbplc:DownsideTwoMember2021-12-310000312070country:USbbplc:DownsideTwoMemberbbplc:HousePriceIndexEconomicCoreVariableMemberifrs-full:NotLaterThanOneYearMember2021-12-310000312070country:USifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMemberbbplc:DownsideTwoMemberbbplc:HousePriceIndexEconomicCoreVariableMember2021-12-310000312070country:USifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMemberbbplc:DownsideTwoMemberbbplc:HousePriceIndexEconomicCoreVariableMember2021-12-310000312070country:USbbplc:DownsideTwoMemberbbplc:HousePriceIndexEconomicCoreVariableMemberifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMember2021-12-310000312070ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMembercountry:USbbplc:DownsideTwoMemberbbplc:HousePriceIndexEconomicCoreVariableMember2021-12-310000312070country:USbbplc:DownsideTwoMemberbbplc:FederalFundsRateMemberifrs-full:NotLaterThanOneYearMember2021-12-310000312070country:USifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMemberbbplc:DownsideTwoMemberbbplc:FederalFundsRateMember2021-12-310000312070country:USifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMemberbbplc:DownsideTwoMemberbbplc:FederalFundsRateMember2021-12-310000312070country:USbbplc:DownsideTwoMemberbbplc:FederalFundsRateMemberifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMember2021-12-310000312070ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMembercountry:USbbplc:DownsideTwoMemberbbplc:FederalFundsRateMember2021-12-310000312070bbplc:DownsideOneMemberbbplc:GrossDomesticProductEconomicVariableMemberifrs-full:NotLaterThanOneYearMembercountry:GB2022-12-310000312070bbplc:DownsideOneMemberbbplc:GrossDomesticProductEconomicVariableMemberifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMembercountry:GB2022-12-310000312070bbplc:DownsideOneMemberbbplc:GrossDomesticProductEconomicVariableMemberifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMembercountry:GB2022-12-310000312070bbplc:DownsideOneMemberbbplc:GrossDomesticProductEconomicVariableMemberifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMembercountry:GB2022-12-310000312070ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMemberbbplc:DownsideOneMemberbbplc:GrossDomesticProductEconomicVariableMembercountry:GB2022-12-310000312070bbplc:DownsideOneMemberbbplc:UnemploymentEconomicCoreVariableMemberifrs-full:NotLaterThanOneYearMembercountry:GB2022-12-310000312070bbplc:DownsideOneMemberifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMemberbbplc:UnemploymentEconomicCoreVariableMembercountry:GB2022-12-310000312070bbplc:DownsideOneMemberifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMemberbbplc:UnemploymentEconomicCoreVariableMembercountry:GB2022-12-310000312070bbplc:DownsideOneMemberbbplc:UnemploymentEconomicCoreVariableMemberifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMembercountry:GB2022-12-310000312070ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMemberbbplc:DownsideOneMemberbbplc:UnemploymentEconomicCoreVariableMembercountry:GB2022-12-310000312070bbplc:DownsideOneMemberbbplc:HousePriceIndexEconomicCoreVariableMemberifrs-full:NotLaterThanOneYearMembercountry:GB2022-12-310000312070bbplc:DownsideOneMemberifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMemberbbplc:HousePriceIndexEconomicCoreVariableMembercountry:GB2022-12-310000312070bbplc:DownsideOneMemberifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMemberbbplc:HousePriceIndexEconomicCoreVariableMembercountry:GB2022-12-310000312070bbplc:DownsideOneMemberbbplc:HousePriceIndexEconomicCoreVariableMemberifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMembercountry:GB2022-12-310000312070ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMemberbbplc:DownsideOneMemberbbplc:HousePriceIndexEconomicCoreVariableMembercountry:GB2022-12-310000312070bbplc:DownsideOneMemberbbplc:BankRateMemberifrs-full:NotLaterThanOneYearMembercountry:GB2022-12-310000312070bbplc:DownsideOneMemberifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMemberbbplc:BankRateMembercountry:GB2022-12-310000312070bbplc:DownsideOneMemberifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMemberbbplc:BankRateMembercountry:GB2022-12-310000312070bbplc:DownsideOneMemberbbplc:BankRateMemberifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMembercountry:GB2022-12-310000312070ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMemberbbplc:DownsideOneMemberbbplc:BankRateMembercountry:GB2022-12-310000312070bbplc:DownsideOneMembercountry:USbbplc:GrossDomesticProductEconomicVariableMemberifrs-full:NotLaterThanOneYearMember2022-12-310000312070bbplc:DownsideOneMembercountry:USbbplc:GrossDomesticProductEconomicVariableMemberifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMember2022-12-310000312070bbplc:DownsideOneMembercountry:USbbplc:GrossDomesticProductEconomicVariableMemberifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMember2022-12-310000312070bbplc:DownsideOneMembercountry:USbbplc:GrossDomesticProductEconomicVariableMemberifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMember2022-12-310000312070ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMemberbbplc:DownsideOneMembercountry:USbbplc:GrossDomesticProductEconomicVariableMember2022-12-310000312070bbplc:DownsideOneMembercountry:USbbplc:UnemploymentEconomicCoreVariableMemberifrs-full:NotLaterThanOneYearMember2022-12-310000312070bbplc:DownsideOneMembercountry:USifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMemberbbplc:UnemploymentEconomicCoreVariableMember2022-12-310000312070bbplc:DownsideOneMembercountry:USifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMemberbbplc:UnemploymentEconomicCoreVariableMember2022-12-310000312070bbplc:DownsideOneMembercountry:USbbplc:UnemploymentEconomicCoreVariableMemberifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMember2022-12-310000312070ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMemberbbplc:DownsideOneMembercountry:USbbplc:UnemploymentEconomicCoreVariableMember2022-12-310000312070bbplc:DownsideOneMembercountry:USbbplc:HousePriceIndexEconomicCoreVariableMemberifrs-full:NotLaterThanOneYearMember2022-12-310000312070bbplc:DownsideOneMembercountry:USifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMemberbbplc:HousePriceIndexEconomicCoreVariableMember2022-12-310000312070bbplc:DownsideOneMembercountry:USifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMemberbbplc:HousePriceIndexEconomicCoreVariableMember2022-12-310000312070bbplc:DownsideOneMembercountry:USbbplc:HousePriceIndexEconomicCoreVariableMemberifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMember2022-12-310000312070ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMemberbbplc:DownsideOneMembercountry:USbbplc:HousePriceIndexEconomicCoreVariableMember2022-12-310000312070bbplc:DownsideOneMembercountry:USbbplc:FederalFundsRateMemberifrs-full:NotLaterThanOneYearMember2022-12-310000312070bbplc:DownsideOneMembercountry:USifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMemberbbplc:FederalFundsRateMember2022-12-310000312070bbplc:DownsideOneMembercountry:USifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMemberbbplc:FederalFundsRateMember2022-12-310000312070bbplc:DownsideOneMembercountry:USbbplc:FederalFundsRateMemberifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMember2022-12-310000312070ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMemberbbplc:DownsideOneMembercountry:USbbplc:FederalFundsRateMember2022-12-310000312070bbplc:DownsideOneMemberbbplc:GrossDomesticProductEconomicVariableMemberifrs-full:NotLaterThanOneYearMembercountry:GB2021-12-310000312070bbplc:DownsideOneMemberbbplc:GrossDomesticProductEconomicVariableMemberifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMembercountry:GB2021-12-310000312070bbplc:DownsideOneMemberbbplc:GrossDomesticProductEconomicVariableMemberifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMembercountry:GB2021-12-310000312070bbplc:DownsideOneMemberbbplc:GrossDomesticProductEconomicVariableMemberifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMembercountry:GB2021-12-310000312070ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMemberbbplc:DownsideOneMemberbbplc:GrossDomesticProductEconomicVariableMembercountry:GB2021-12-310000312070bbplc:DownsideOneMemberbbplc:UnemploymentEconomicCoreVariableMemberifrs-full:NotLaterThanOneYearMembercountry:GB2021-12-310000312070bbplc:DownsideOneMemberifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMemberbbplc:UnemploymentEconomicCoreVariableMembercountry:GB2021-12-310000312070bbplc:DownsideOneMemberifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMemberbbplc:UnemploymentEconomicCoreVariableMembercountry:GB2021-12-310000312070bbplc:DownsideOneMemberbbplc:UnemploymentEconomicCoreVariableMemberifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMembercountry:GB2021-12-310000312070ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMemberbbplc:DownsideOneMemberbbplc:UnemploymentEconomicCoreVariableMembercountry:GB2021-12-310000312070bbplc:DownsideOneMemberbbplc:HousePriceIndexEconomicCoreVariableMemberifrs-full:NotLaterThanOneYearMembercountry:GB2021-12-310000312070bbplc:DownsideOneMemberifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMemberbbplc:HousePriceIndexEconomicCoreVariableMembercountry:GB2021-12-310000312070bbplc:DownsideOneMemberifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMemberbbplc:HousePriceIndexEconomicCoreVariableMembercountry:GB2021-12-310000312070bbplc:DownsideOneMemberbbplc:HousePriceIndexEconomicCoreVariableMemberifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMembercountry:GB2021-12-310000312070ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMemberbbplc:DownsideOneMemberbbplc:HousePriceIndexEconomicCoreVariableMembercountry:GB2021-12-310000312070bbplc:DownsideOneMemberbbplc:BankRateMemberifrs-full:NotLaterThanOneYearMembercountry:GB2021-12-310000312070bbplc:DownsideOneMemberifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMemberbbplc:BankRateMembercountry:GB2021-12-310000312070bbplc:DownsideOneMemberifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMemberbbplc:BankRateMembercountry:GB2021-12-310000312070bbplc:DownsideOneMemberbbplc:BankRateMemberifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMembercountry:GB2021-12-310000312070ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMemberbbplc:DownsideOneMemberbbplc:BankRateMembercountry:GB2021-12-310000312070bbplc:DownsideOneMembercountry:USbbplc:GrossDomesticProductEconomicVariableMemberifrs-full:NotLaterThanOneYearMember2021-12-310000312070bbplc:DownsideOneMembercountry:USbbplc:GrossDomesticProductEconomicVariableMemberifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMember2021-12-310000312070bbplc:DownsideOneMembercountry:USbbplc:GrossDomesticProductEconomicVariableMemberifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMember2021-12-310000312070bbplc:DownsideOneMembercountry:USbbplc:GrossDomesticProductEconomicVariableMemberifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMember2021-12-310000312070ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMemberbbplc:DownsideOneMembercountry:USbbplc:GrossDomesticProductEconomicVariableMember2021-12-310000312070bbplc:DownsideOneMembercountry:USbbplc:UnemploymentEconomicCoreVariableMemberifrs-full:NotLaterThanOneYearMember2021-12-310000312070bbplc:DownsideOneMembercountry:USifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMemberbbplc:UnemploymentEconomicCoreVariableMember2021-12-310000312070bbplc:DownsideOneMembercountry:USifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMemberbbplc:UnemploymentEconomicCoreVariableMember2021-12-310000312070bbplc:DownsideOneMembercountry:USbbplc:UnemploymentEconomicCoreVariableMemberifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMember2021-12-310000312070ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMemberbbplc:DownsideOneMembercountry:USbbplc:UnemploymentEconomicCoreVariableMember2021-12-310000312070bbplc:DownsideOneMembercountry:USbbplc:HousePriceIndexEconomicCoreVariableMemberifrs-full:NotLaterThanOneYearMember2021-12-310000312070bbplc:DownsideOneMembercountry:USifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMemberbbplc:HousePriceIndexEconomicCoreVariableMember2021-12-310000312070bbplc:DownsideOneMembercountry:USifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMemberbbplc:HousePriceIndexEconomicCoreVariableMember2021-12-310000312070bbplc:DownsideOneMembercountry:USbbplc:HousePriceIndexEconomicCoreVariableMemberifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMember2021-12-310000312070ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMemberbbplc:DownsideOneMembercountry:USbbplc:HousePriceIndexEconomicCoreVariableMember2021-12-310000312070bbplc:DownsideOneMembercountry:USbbplc:FederalFundsRateMemberifrs-full:NotLaterThanOneYearMember2021-12-310000312070bbplc:DownsideOneMembercountry:USifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMemberbbplc:FederalFundsRateMember2021-12-310000312070bbplc:DownsideOneMembercountry:USifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMemberbbplc:FederalFundsRateMember2021-12-310000312070bbplc:DownsideOneMembercountry:USbbplc:FederalFundsRateMemberifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMember2021-12-310000312070ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMemberbbplc:DownsideOneMembercountry:USbbplc:FederalFundsRateMember2021-12-310000312070bbplc:UpsideTwoMemberbbplc:GrossDomesticProductEconomicVariableMemberifrs-full:NotLaterThanOneYearMembercountry:GB2022-12-310000312070bbplc:UpsideTwoMemberbbplc:GrossDomesticProductEconomicVariableMemberifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMembercountry:GB2022-12-310000312070bbplc:UpsideTwoMemberbbplc:GrossDomesticProductEconomicVariableMemberifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMembercountry:GB2022-12-310000312070bbplc:UpsideTwoMemberbbplc:GrossDomesticProductEconomicVariableMemberifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMembercountry:GB2022-12-310000312070bbplc:UpsideTwoMemberifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMemberbbplc:GrossDomesticProductEconomicVariableMembercountry:GB2022-12-310000312070bbplc:UpsideTwoMemberbbplc:UnemploymentEconomicCoreVariableMemberifrs-full:NotLaterThanOneYearMembercountry:GB2022-12-310000312070bbplc:UpsideTwoMemberifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMemberbbplc:UnemploymentEconomicCoreVariableMembercountry:GB2022-12-310000312070bbplc:UpsideTwoMemberifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMemberbbplc:UnemploymentEconomicCoreVariableMembercountry:GB2022-12-310000312070bbplc:UpsideTwoMemberbbplc:UnemploymentEconomicCoreVariableMemberifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMembercountry:GB2022-12-310000312070bbplc:UpsideTwoMemberifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMemberbbplc:UnemploymentEconomicCoreVariableMembercountry:GB2022-12-310000312070bbplc:UpsideTwoMemberbbplc:HousePriceIndexEconomicCoreVariableMemberifrs-full:NotLaterThanOneYearMembercountry:GB2022-12-310000312070bbplc:UpsideTwoMemberifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMemberbbplc:HousePriceIndexEconomicCoreVariableMembercountry:GB2022-12-310000312070bbplc:UpsideTwoMemberifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMemberbbplc:HousePriceIndexEconomicCoreVariableMembercountry:GB2022-12-310000312070bbplc:UpsideTwoMemberbbplc:HousePriceIndexEconomicCoreVariableMemberifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMembercountry:GB2022-12-310000312070bbplc:UpsideTwoMemberifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMemberbbplc:HousePriceIndexEconomicCoreVariableMembercountry:GB2022-12-310000312070bbplc:UpsideTwoMemberbbplc:BankRateMemberifrs-full:NotLaterThanOneYearMembercountry:GB2022-12-310000312070bbplc:UpsideTwoMemberifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMemberbbplc:BankRateMembercountry:GB2022-12-310000312070bbplc:UpsideTwoMemberifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMemberbbplc:BankRateMembercountry:GB2022-12-310000312070bbplc:UpsideTwoMemberbbplc:BankRateMemberifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMembercountry:GB2022-12-310000312070bbplc:UpsideTwoMemberifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMemberbbplc:BankRateMembercountry:GB2022-12-310000312070bbplc:UpsideTwoMembercountry:USbbplc:GrossDomesticProductEconomicVariableMemberifrs-full:NotLaterThanOneYearMember2022-12-310000312070bbplc:UpsideTwoMembercountry:USbbplc:GrossDomesticProductEconomicVariableMemberifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMember2022-12-310000312070bbplc:UpsideTwoMembercountry:USbbplc:GrossDomesticProductEconomicVariableMemberifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMember2022-12-310000312070bbplc:UpsideTwoMembercountry:USbbplc:GrossDomesticProductEconomicVariableMemberifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMember2022-12-310000312070bbplc:UpsideTwoMemberifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMembercountry:USbbplc:GrossDomesticProductEconomicVariableMember2022-12-310000312070bbplc:UpsideTwoMembercountry:USbbplc:UnemploymentEconomicCoreVariableMemberifrs-full:NotLaterThanOneYearMember2022-12-310000312070bbplc:UpsideTwoMembercountry:USifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMemberbbplc:UnemploymentEconomicCoreVariableMember2022-12-310000312070bbplc:UpsideTwoMembercountry:USifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMemberbbplc:UnemploymentEconomicCoreVariableMember2022-12-310000312070bbplc:UpsideTwoMembercountry:USbbplc:UnemploymentEconomicCoreVariableMemberifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMember2022-12-310000312070bbplc:UpsideTwoMemberifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMembercountry:USbbplc:UnemploymentEconomicCoreVariableMember2022-12-310000312070bbplc:UpsideTwoMembercountry:USbbplc:HousePriceIndexEconomicCoreVariableMemberifrs-full:NotLaterThanOneYearMember2022-12-310000312070bbplc:UpsideTwoMembercountry:USifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMemberbbplc:HousePriceIndexEconomicCoreVariableMember2022-12-310000312070bbplc:UpsideTwoMembercountry:USifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMemberbbplc:HousePriceIndexEconomicCoreVariableMember2022-12-310000312070bbplc:UpsideTwoMembercountry:USbbplc:HousePriceIndexEconomicCoreVariableMemberifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMember2022-12-310000312070bbplc:UpsideTwoMemberifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMembercountry:USbbplc:HousePriceIndexEconomicCoreVariableMember2022-12-310000312070bbplc:UpsideTwoMembercountry:USbbplc:FederalFundsRateMemberifrs-full:NotLaterThanOneYearMember2022-12-310000312070bbplc:UpsideTwoMembercountry:USifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMemberbbplc:FederalFundsRateMember2022-12-310000312070bbplc:UpsideTwoMembercountry:USifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMemberbbplc:FederalFundsRateMember2022-12-310000312070bbplc:UpsideTwoMembercountry:USbbplc:FederalFundsRateMemberifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMember2022-12-310000312070bbplc:UpsideTwoMemberifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMembercountry:USbbplc:FederalFundsRateMember2022-12-310000312070bbplc:UpsideTwoMemberbbplc:GrossDomesticProductEconomicVariableMemberifrs-full:NotLaterThanOneYearMembercountry:GB2021-12-310000312070bbplc:UpsideTwoMemberbbplc:GrossDomesticProductEconomicVariableMemberifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMembercountry:GB2021-12-310000312070bbplc:UpsideTwoMemberbbplc:GrossDomesticProductEconomicVariableMemberifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMembercountry:GB2021-12-310000312070bbplc:UpsideTwoMemberbbplc:GrossDomesticProductEconomicVariableMemberifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMembercountry:GB2021-12-310000312070bbplc:UpsideTwoMemberifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMemberbbplc:GrossDomesticProductEconomicVariableMembercountry:GB2021-12-310000312070bbplc:UpsideTwoMemberbbplc:UnemploymentEconomicCoreVariableMemberifrs-full:NotLaterThanOneYearMembercountry:GB2021-12-310000312070bbplc:UpsideTwoMemberifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMemberbbplc:UnemploymentEconomicCoreVariableMembercountry:GB2021-12-310000312070bbplc:UpsideTwoMemberifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMemberbbplc:UnemploymentEconomicCoreVariableMembercountry:GB2021-12-310000312070bbplc:UpsideTwoMemberbbplc:UnemploymentEconomicCoreVariableMemberifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMembercountry:GB2021-12-310000312070bbplc:UpsideTwoMemberifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMemberbbplc:UnemploymentEconomicCoreVariableMembercountry:GB2021-12-310000312070bbplc:UpsideTwoMemberbbplc:HousePriceIndexEconomicCoreVariableMemberifrs-full:NotLaterThanOneYearMembercountry:GB2021-12-310000312070bbplc:UpsideTwoMemberifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMemberbbplc:HousePriceIndexEconomicCoreVariableMembercountry:GB2021-12-310000312070bbplc:UpsideTwoMemberifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMemberbbplc:HousePriceIndexEconomicCoreVariableMembercountry:GB2021-12-310000312070bbplc:UpsideTwoMemberbbplc:HousePriceIndexEconomicCoreVariableMemberifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMembercountry:GB2021-12-310000312070bbplc:UpsideTwoMemberifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMemberbbplc:HousePriceIndexEconomicCoreVariableMembercountry:GB2021-12-310000312070bbplc:UpsideTwoMemberbbplc:BankRateMemberifrs-full:NotLaterThanOneYearMembercountry:GB2021-12-310000312070bbplc:UpsideTwoMemberifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMemberbbplc:BankRateMembercountry:GB2021-12-310000312070bbplc:UpsideTwoMemberifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMemberbbplc:BankRateMembercountry:GB2021-12-310000312070bbplc:UpsideTwoMemberbbplc:BankRateMemberifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMembercountry:GB2021-12-310000312070bbplc:UpsideTwoMemberifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMemberbbplc:BankRateMembercountry:GB2021-12-310000312070bbplc:UpsideTwoMembercountry:USbbplc:GrossDomesticProductEconomicVariableMemberifrs-full:NotLaterThanOneYearMember2021-12-310000312070bbplc:UpsideTwoMembercountry:USbbplc:GrossDomesticProductEconomicVariableMemberifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMember2021-12-310000312070bbplc:UpsideTwoMembercountry:USbbplc:GrossDomesticProductEconomicVariableMemberifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMember2021-12-310000312070bbplc:UpsideTwoMembercountry:USbbplc:GrossDomesticProductEconomicVariableMemberifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMember2021-12-310000312070bbplc:UpsideTwoMemberifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMembercountry:USbbplc:GrossDomesticProductEconomicVariableMember2021-12-310000312070bbplc:UpsideTwoMembercountry:USbbplc:UnemploymentEconomicCoreVariableMemberifrs-full:NotLaterThanOneYearMember2021-12-310000312070bbplc:UpsideTwoMembercountry:USifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMemberbbplc:UnemploymentEconomicCoreVariableMember2021-12-310000312070bbplc:UpsideTwoMembercountry:USifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMemberbbplc:UnemploymentEconomicCoreVariableMember2021-12-310000312070bbplc:UpsideTwoMembercountry:USbbplc:UnemploymentEconomicCoreVariableMemberifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMember2021-12-310000312070bbplc:UpsideTwoMemberifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMembercountry:USbbplc:UnemploymentEconomicCoreVariableMember2021-12-310000312070bbplc:UpsideTwoMembercountry:USbbplc:HousePriceIndexEconomicCoreVariableMemberifrs-full:NotLaterThanOneYearMember2021-12-310000312070bbplc:UpsideTwoMembercountry:USifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMemberbbplc:HousePriceIndexEconomicCoreVariableMember2021-12-310000312070bbplc:UpsideTwoMembercountry:USifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMemberbbplc:HousePriceIndexEconomicCoreVariableMember2021-12-310000312070bbplc:UpsideTwoMembercountry:USbbplc:HousePriceIndexEconomicCoreVariableMemberifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMember2021-12-310000312070bbplc:UpsideTwoMemberifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMembercountry:USbbplc:HousePriceIndexEconomicCoreVariableMember2021-12-310000312070bbplc:UpsideTwoMembercountry:USbbplc:FederalFundsRateMemberifrs-full:NotLaterThanOneYearMember2021-12-310000312070bbplc:UpsideTwoMembercountry:USifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMemberbbplc:FederalFundsRateMember2021-12-310000312070bbplc:UpsideTwoMembercountry:USifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMemberbbplc:FederalFundsRateMember2021-12-310000312070bbplc:UpsideTwoMembercountry:USbbplc:FederalFundsRateMemberifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMember2021-12-310000312070bbplc:UpsideTwoMemberifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMembercountry:USbbplc:FederalFundsRateMember2021-12-310000312070bbplc:GrossDomesticProductEconomicVariableMemberbbplc:UpsideOneMemberifrs-full:NotLaterThanOneYearMembercountry:GB2022-12-310000312070bbplc:GrossDomesticProductEconomicVariableMemberifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMemberbbplc:UpsideOneMembercountry:GB2022-12-310000312070bbplc:GrossDomesticProductEconomicVariableMemberifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMemberbbplc:UpsideOneMembercountry:GB2022-12-310000312070bbplc:GrossDomesticProductEconomicVariableMemberbbplc:UpsideOneMemberifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMembercountry:GB2022-12-310000312070ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMemberbbplc:GrossDomesticProductEconomicVariableMemberbbplc:UpsideOneMembercountry:GB2022-12-310000312070bbplc:UnemploymentEconomicCoreVariableMemberbbplc:UpsideOneMemberifrs-full:NotLaterThanOneYearMembercountry:GB2022-12-310000312070ifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMemberbbplc:UnemploymentEconomicCoreVariableMemberbbplc:UpsideOneMembercountry:GB2022-12-310000312070ifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMemberbbplc:UnemploymentEconomicCoreVariableMemberbbplc:UpsideOneMembercountry:GB2022-12-310000312070bbplc:UnemploymentEconomicCoreVariableMemberbbplc:UpsideOneMemberifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMembercountry:GB2022-12-310000312070ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMemberbbplc:UnemploymentEconomicCoreVariableMemberbbplc:UpsideOneMembercountry:GB2022-12-310000312070bbplc:UpsideOneMemberbbplc:HousePriceIndexEconomicCoreVariableMemberifrs-full:NotLaterThanOneYearMembercountry:GB2022-12-310000312070ifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMemberbbplc:UpsideOneMemberbbplc:HousePriceIndexEconomicCoreVariableMembercountry:GB2022-12-310000312070ifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMemberbbplc:UpsideOneMemberbbplc:HousePriceIndexEconomicCoreVariableMembercountry:GB2022-12-310000312070bbplc:UpsideOneMemberbbplc:HousePriceIndexEconomicCoreVariableMemberifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMembercountry:GB2022-12-310000312070ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMemberbbplc:UpsideOneMemberbbplc:HousePriceIndexEconomicCoreVariableMembercountry:GB2022-12-310000312070bbplc:UpsideOneMemberbbplc:BankRateMemberifrs-full:NotLaterThanOneYearMembercountry:GB2022-12-310000312070ifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMemberbbplc:UpsideOneMemberbbplc:BankRateMembercountry:GB2022-12-310000312070ifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMemberbbplc:UpsideOneMemberbbplc:BankRateMembercountry:GB2022-12-310000312070bbplc:UpsideOneMemberbbplc:BankRateMemberifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMembercountry:GB2022-12-310000312070ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMemberbbplc:UpsideOneMemberbbplc:BankRateMembercountry:GB2022-12-310000312070country:USbbplc:GrossDomesticProductEconomicVariableMemberbbplc:UpsideOneMemberifrs-full:NotLaterThanOneYearMember2022-12-310000312070country:USbbplc:GrossDomesticProductEconomicVariableMemberifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMemberbbplc:UpsideOneMember2022-12-310000312070country:USbbplc:GrossDomesticProductEconomicVariableMemberifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMemberbbplc:UpsideOneMember2022-12-310000312070country:USbbplc:GrossDomesticProductEconomicVariableMember