10-Q 1 dte-20220930.htm 10-Q dte-20220930
0000936340--12-312022Q3FALSE0000028385P3MP1YP1YP1YP1YP3MP3MP1YP1YP1YP1YP1YP1YP1YP1Y0.0005000009363402022-01-012022-09-300000936340dte:DTEElectricMember2022-01-012022-09-300000936340us-gaap:CommonStockMember2022-01-012022-09-300000936340dte:SeriesE20175.25JuniorSubordinatedDebenturesDue2077Member2022-01-012022-09-300000936340dte:A20196.25CorporateUnitsMember2022-01-012022-09-300000936340dte:SeriesG20204375JuniorSubordinatedDebenturesDue2080Member2022-01-012022-09-300000936340dte:SeriesE20214375JuniorSubordinatedDebenturesDue2081Member2022-01-012022-09-3000009363402022-09-30xbrli:shares0000936340dte:DTEElectricMember2022-09-3000009363402022-07-012022-09-30iso4217:USD00009363402021-07-012021-09-3000009363402021-01-012021-09-30iso4217:USDxbrli:shares00009363402021-12-3100009363402020-12-3100009363402021-09-300000936340us-gaap:CommonStockMember2021-12-310000936340us-gaap:RetainedEarningsMember2021-12-310000936340us-gaap:AccumulatedOtherComprehensiveIncomeMember2021-12-310000936340us-gaap:NoncontrollingInterestMember2021-12-310000936340us-gaap:RetainedEarningsMember2022-01-012022-03-3100009363402022-01-012022-03-310000936340us-gaap:CommonStockMember2022-01-012022-03-310000936340us-gaap:AccumulatedOtherComprehensiveIncomeMember2022-01-012022-03-310000936340us-gaap:NoncontrollingInterestMember2022-01-012022-03-310000936340us-gaap:CommonStockMember2022-03-310000936340us-gaap:RetainedEarningsMember2022-03-310000936340us-gaap:AccumulatedOtherComprehensiveIncomeMember2022-03-310000936340us-gaap:NoncontrollingInterestMember2022-03-3100009363402022-03-310000936340us-gaap:RetainedEarningsMember2022-04-012022-06-3000009363402022-04-012022-06-300000936340us-gaap:AccumulatedOtherComprehensiveIncomeMember2022-04-012022-06-300000936340us-gaap:CommonStockMember2022-04-012022-06-300000936340us-gaap:NoncontrollingInterestMember2022-04-012022-06-300000936340us-gaap:CommonStockMember2022-06-300000936340us-gaap:RetainedEarningsMember2022-06-300000936340us-gaap:AccumulatedOtherComprehensiveIncomeMember2022-06-300000936340us-gaap:NoncontrollingInterestMember2022-06-3000009363402022-06-300000936340us-gaap:RetainedEarningsMember2022-07-012022-09-300000936340us-gaap:AccumulatedOtherComprehensiveIncomeMember2022-07-012022-09-300000936340us-gaap:CommonStockMember2022-07-012022-09-300000936340us-gaap:NoncontrollingInterestMember2022-07-012022-09-300000936340us-gaap:CommonStockMember2022-09-300000936340us-gaap:RetainedEarningsMember2022-09-300000936340us-gaap:AccumulatedOtherComprehensiveIncomeMember2022-09-300000936340us-gaap:NoncontrollingInterestMember2022-09-300000936340us-gaap:CommonStockMember2020-12-310000936340us-gaap:RetainedEarningsMember2020-12-310000936340us-gaap:AccumulatedOtherComprehensiveIncomeMember2020-12-310000936340us-gaap:NoncontrollingInterestMember2020-12-310000936340us-gaap:RetainedEarningsMember2021-01-012021-03-3100009363402021-01-012021-03-310000936340us-gaap:CommonStockMember2021-01-012021-03-310000936340us-gaap:AccumulatedOtherComprehensiveIncomeMember2021-01-012021-03-310000936340us-gaap:NoncontrollingInterestMember2021-01-012021-03-310000936340us-gaap:CommonStockMember2021-03-310000936340us-gaap:RetainedEarningsMember2021-03-310000936340us-gaap:AccumulatedOtherComprehensiveIncomeMember2021-03-310000936340us-gaap:NoncontrollingInterestMember2021-03-3100009363402021-03-310000936340us-gaap:RetainedEarningsMember2021-04-012021-06-3000009363402021-04-012021-06-300000936340us-gaap:AccumulatedOtherComprehensiveIncomeMember2021-04-012021-06-300000936340us-gaap:CommonStockMember2021-04-012021-06-300000936340us-gaap:NoncontrollingInterestMember2021-04-012021-06-300000936340us-gaap:CommonStockMember2021-06-300000936340us-gaap:RetainedEarningsMember2021-06-300000936340us-gaap:AccumulatedOtherComprehensiveIncomeMember2021-06-300000936340us-gaap:NoncontrollingInterestMember2021-06-3000009363402021-06-300000936340us-gaap:RetainedEarningsMember2021-07-012021-09-300000936340us-gaap:NoncontrollingInterestMember2021-07-012021-09-300000936340us-gaap:CommonStockMember2021-07-012021-09-300000936340us-gaap:AccumulatedOtherComprehensiveIncomeMember2021-07-012021-09-300000936340us-gaap:CommonStockMember2021-09-300000936340us-gaap:RetainedEarningsMember2021-09-300000936340us-gaap:AccumulatedOtherComprehensiveIncomeMember2021-09-300000936340us-gaap:NoncontrollingInterestMember2021-09-300000936340dte:DTEElectricMember2022-07-012022-09-300000936340dte:DTEElectricMember2021-07-012021-09-300000936340dte:DTEElectricMember2021-01-012021-09-300000936340dte:DTEElectricMember2021-12-310000936340dte:DTEElectricMember2020-12-310000936340dte:DTEElectricMember2021-09-300000936340us-gaap:CommonStockMemberdte:DTEElectricMember2021-12-310000936340us-gaap:AdditionalPaidInCapitalMemberdte:DTEElectricMember2021-12-310000936340us-gaap:RetainedEarningsMemberdte:DTEElectricMember2021-12-310000936340us-gaap:RetainedEarningsMemberdte:DTEElectricMember2022-01-012022-03-310000936340dte:DTEElectricMember2022-01-012022-03-310000936340us-gaap:CommonStockMemberdte:DTEElectricMember2022-03-310000936340us-gaap:AdditionalPaidInCapitalMemberdte:DTEElectricMember2022-03-310000936340us-gaap:RetainedEarningsMemberdte:DTEElectricMember2022-03-310000936340dte:DTEElectricMember2022-03-310000936340us-gaap:RetainedEarningsMemberdte:DTEElectricMember2022-04-012022-06-300000936340dte:DTEElectricMember2022-04-012022-06-300000936340us-gaap:CommonStockMemberdte:DTEElectricMember2022-06-300000936340us-gaap:AdditionalPaidInCapitalMemberdte:DTEElectricMember2022-06-300000936340us-gaap:RetainedEarningsMemberdte:DTEElectricMember2022-06-300000936340dte:DTEElectricMember2022-06-300000936340us-gaap:RetainedEarningsMemberdte:DTEElectricMember2022-07-012022-09-300000936340us-gaap:AdditionalPaidInCapitalMemberdte:DTEElectricMember2022-07-012022-09-300000936340us-gaap:CommonStockMemberdte:DTEElectricMember2022-09-300000936340us-gaap:AdditionalPaidInCapitalMemberdte:DTEElectricMember2022-09-300000936340us-gaap:RetainedEarningsMemberdte:DTEElectricMember2022-09-300000936340us-gaap:CommonStockMemberdte:DTEElectricMember2020-12-310000936340us-gaap:AdditionalPaidInCapitalMemberdte:DTEElectricMember2020-12-310000936340us-gaap:RetainedEarningsMemberdte:DTEElectricMember2020-12-310000936340us-gaap:RetainedEarningsMemberdte:DTEElectricMember2021-01-012021-03-310000936340dte:DTEElectricMember2021-01-012021-03-310000936340us-gaap:CommonStockMemberdte:DTEElectricMember2021-03-310000936340us-gaap:AdditionalPaidInCapitalMemberdte:DTEElectricMember2021-03-310000936340us-gaap:RetainedEarningsMemberdte:DTEElectricMember2021-03-310000936340dte:DTEElectricMember2021-03-310000936340us-gaap:RetainedEarningsMemberdte:DTEElectricMember2021-04-012021-06-300000936340dte:DTEElectricMember2021-04-012021-06-300000936340us-gaap:CommonStockMemberdte:DTEElectricMember2021-06-300000936340us-gaap:AdditionalPaidInCapitalMemberdte:DTEElectricMember2021-06-300000936340us-gaap:RetainedEarningsMemberdte:DTEElectricMember2021-06-300000936340dte:DTEElectricMember2021-06-300000936340us-gaap:RetainedEarningsMemberdte:DTEElectricMember2021-07-012021-09-300000936340us-gaap:AdditionalPaidInCapitalMemberdte:DTEElectricMember2021-07-012021-09-300000936340us-gaap:CommonStockMemberdte:DTEElectricMember2021-09-300000936340us-gaap:AdditionalPaidInCapitalMemberdte:DTEElectricMember2021-09-300000936340us-gaap:RetainedEarningsMemberdte:DTEElectricMember2021-09-30dte:customer0000936340us-gaap:VariableInterestEntityPrimaryBeneficiaryMember2022-09-300000936340us-gaap:VariableInterestEntityPrimaryBeneficiaryMemberdte:DTEElectricMember2022-09-300000936340us-gaap:VariableInterestEntityPrimaryBeneficiaryMember2021-12-310000936340us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember2022-09-300000936340us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember2021-12-31xbrli:pure0000936340srt:ParentCompanyMemberdte:DTEElectricMember2022-09-300000936340srt:ParentCompanyMemberdte:DTEElectricMember2021-12-310000936340us-gaap:StateAndLocalJurisdictionMember2022-09-300000936340us-gaap:StateAndLocalJurisdictionMemberdte:DTEElectricMember2022-09-300000936340srt:ParentCompanyMemberdte:DTEElectricMember2022-07-012022-09-300000936340srt:ParentCompanyMemberdte:DTEElectricMember2021-07-012021-09-300000936340srt:ParentCompanyMemberdte:DTEElectricMember2022-01-012022-09-300000936340srt:ParentCompanyMemberdte:DTEElectricMember2021-01-012021-09-300000936340us-gaap:NotesReceivableMemberdte:InternalGradeOneMember2022-09-300000936340us-gaap:NotesReceivableMemberdte:InternalGradeOneMemberdte:DTEElectricMember2022-09-300000936340us-gaap:NotesReceivableMemberdte:InternalGradeTwoMember2022-09-300000936340us-gaap:NotesReceivableMemberdte:InternalGradeTwoMemberdte:DTEElectricMember2022-09-300000936340us-gaap:NotesReceivableMember2022-09-300000936340us-gaap:NotesReceivableMemberdte:DTEElectricMember2022-09-300000936340dte:FinanceLeaseReceivableMemberdte:InternalGradeOneMember2022-09-300000936340dte:FinanceLeaseReceivableMemberdte:InternalGradeOneMemberdte:DTEElectricMember2022-09-300000936340dte:FinanceLeaseReceivableMemberdte:InternalGradeTwoMember2022-09-300000936340dte:FinanceLeaseReceivableMemberdte:InternalGradeTwoMemberdte:DTEElectricMember2022-09-300000936340dte:FinanceLeaseReceivableMember2022-09-300000936340dte:FinanceLeaseReceivableMemberdte:DTEElectricMember2022-09-300000936340dte:DTEElectricandDTEGasMemberus-gaap:AccountsReceivableMember2022-09-300000936340dte:DTEElectricandDTEGasMember2022-01-012022-09-300000936340us-gaap:NotesReceivableMembersrt:MinimumMember2022-09-300000936340us-gaap:NotesReceivableMembersrt:MaximumMember2022-09-300000936340us-gaap:TradeAccountsReceivableMember2021-12-310000936340dte:OtherFinancingReceivablesMember2021-12-310000936340us-gaap:TradeAccountsReceivableMember2022-01-012022-09-300000936340dte:OtherFinancingReceivablesMember2022-01-012022-09-300000936340us-gaap:TradeAccountsReceivableMember2022-09-300000936340dte:OtherFinancingReceivablesMember2022-09-300000936340us-gaap:TradeAccountsReceivableMember2020-12-310000936340dte:OtherFinancingReceivablesMember2020-12-310000936340us-gaap:TradeAccountsReceivableMember2021-01-012021-12-310000936340dte:OtherFinancingReceivablesMember2021-01-012021-12-3100009363402021-01-012021-12-310000936340dte:DTEElectricMember2021-01-012021-12-310000936340us-gaap:FinancialAssetPastDueMember2022-09-300000936340us-gaap:DiscontinuedOperationsDisposedOfByMeansOtherThanSaleSpinoffMemberdte:DTMidstreamMember2021-07-012021-09-300000936340us-gaap:DiscontinuedOperationsDisposedOfByMeansOtherThanSaleSpinoffMemberdte:DTMidstreamMember2021-01-012021-09-300000936340dte:ResidentialMemberdte:ElectricMember2022-07-012022-09-300000936340dte:ResidentialMemberdte:ElectricMember2021-07-012021-09-300000936340dte:ResidentialMemberdte:ElectricMember2022-01-012022-09-300000936340dte:ResidentialMemberdte:ElectricMember2021-01-012021-09-300000936340dte:CommercialMemberdte:ElectricMember2022-07-012022-09-300000936340dte:CommercialMemberdte:ElectricMember2021-07-012021-09-300000936340dte:CommercialMemberdte:ElectricMember2022-01-012022-09-300000936340dte:CommercialMemberdte:ElectricMember2021-01-012021-09-300000936340dte:IndustrialMemberdte:ElectricMember2022-07-012022-09-300000936340dte:IndustrialMemberdte:ElectricMember2021-07-012021-09-300000936340dte:IndustrialMemberdte:ElectricMember2022-01-012022-09-300000936340dte:IndustrialMemberdte:ElectricMember2021-01-012021-09-300000936340dte:OtherMemberdte:ElectricMember2022-07-012022-09-300000936340dte:OtherMemberdte:ElectricMember2021-07-012021-09-300000936340dte:OtherMemberdte:ElectricMember2022-01-012022-09-300000936340dte:OtherMemberdte:ElectricMember2021-01-012021-09-300000936340dte:ElectricMember2022-07-012022-09-300000936340dte:ElectricMember2021-07-012021-09-300000936340dte:ElectricMember2022-01-012022-09-300000936340dte:ElectricMember2021-01-012021-09-300000936340dte:GasSalesMemberdte:GasMember2022-07-012022-09-300000936340dte:GasSalesMemberdte:GasMember2021-07-012021-09-300000936340dte:GasSalesMemberdte:GasMember2022-01-012022-09-300000936340dte:GasSalesMemberdte:GasMember2021-01-012021-09-300000936340dte:EndUserTransportationMemberdte:GasMember2022-07-012022-09-300000936340dte:EndUserTransportationMemberdte:GasMember2021-07-012021-09-300000936340dte:EndUserTransportationMemberdte:GasMember2022-01-012022-09-300000936340dte:EndUserTransportationMemberdte:GasMember2021-01-012021-09-300000936340dte:GasMemberdte:IntermediateTransportationMember2022-07-012022-09-300000936340dte:GasMemberdte:IntermediateTransportationMember2021-07-012021-09-300000936340dte:GasMemberdte:IntermediateTransportationMember2022-01-012022-09-300000936340dte:GasMemberdte:IntermediateTransportationMember2021-01-012021-09-300000936340dte:OtherMemberdte:GasMember2022-07-012022-09-300000936340dte:OtherMemberdte:GasMember2021-07-012021-09-300000936340dte:OtherMemberdte:GasMember2022-01-012022-09-300000936340dte:OtherMemberdte:GasMember2021-01-012021-09-300000936340dte:GasMember2022-07-012022-09-300000936340dte:GasMember2021-07-012021-09-300000936340dte:GasMember2022-01-012022-09-300000936340dte:GasMember2021-01-012021-09-300000936340dte:DTEVantageMember2022-07-012022-09-300000936340dte:DTEVantageMember2021-07-012021-09-300000936340dte:DTEVantageMember2022-01-012022-09-300000936340dte:DTEVantageMember2021-01-012021-09-300000936340dte:EnergyTradingMember2022-07-012022-09-300000936340dte:EnergyTradingMember2021-07-012021-09-300000936340dte:EnergyTradingMember2022-01-012022-09-300000936340dte:EnergyTradingMember2021-01-012021-09-300000936340dte:OtherMemberdte:DTESustainableGenerationMemberdte:ElectricMember2022-07-012022-09-300000936340dte:OtherMemberdte:DTESustainableGenerationMemberdte:ElectricMember2021-07-012021-09-300000936340dte:OtherMemberdte:DTESustainableGenerationMemberdte:ElectricMember2022-01-012022-09-300000936340dte:OtherMemberdte:DTESustainableGenerationMemberdte:ElectricMember2021-01-012021-09-3000009363402022-10-012022-09-3000009363402023-01-012022-09-3000009363402024-01-012022-09-3000009363402025-01-012022-09-3000009363402026-01-012022-09-3000009363402027-01-012022-09-300000936340us-gaap:FixedPriceContractMember2022-10-012022-09-300000936340us-gaap:FixedPriceContractMember2022-10-01dte:DTEElectricMember2022-09-3000009363402023-01-01us-gaap:FixedPriceContractMember2022-09-3000009363402023-01-01us-gaap:FixedPriceContractMemberdte:DTEElectricMember2022-09-3000009363402024-01-01us-gaap:FixedPriceContractMember2022-09-3000009363402024-01-01us-gaap:FixedPriceContractMemberdte:DTEElectricMember2022-09-300000936340us-gaap:FixedPriceContractMember2025-01-012022-09-300000936340us-gaap:FixedPriceContractMember2025-01-01dte:DTEElectricMember2022-09-3000009363402026-01-01us-gaap:FixedPriceContractMember2022-09-3000009363402026-01-01us-gaap:FixedPriceContractMemberdte:DTEElectricMember2022-09-300000936340us-gaap:FixedPriceContractMember2027-01-012022-09-300000936340us-gaap:FixedPriceContractMember2027-01-01dte:DTEElectricMember2022-09-300000936340us-gaap:FixedPriceContractMember2022-09-300000936340us-gaap:FixedPriceContractMemberdte:DTEElectricMember2022-09-300000936340dte:MPSCMemberdte:DTEElectricMember2021-06-230000936340dte:QualifiedCostsRecoverableUndepreciatedCostsOnRetiringPlantsMemberdte:MPSCMemberdte:DTEElectricMember2021-06-230000936340dte:QualifiedCostsEnhancedTreeTrimmingProgramDeferredCostsMemberdte:MPSCMemberdte:DTEElectricMember2021-06-230000936340dte:QualifiedCostsOtherMemberdte:MPSCMemberdte:DTEElectricMember2021-06-230000936340dte:SecuritizationBondsMemberdte:DTEElectricMember2022-03-170000936340dte:DTEElectricMember2022-03-170000936340srt:MaximumMemberdte:EnhancedTreeTrimmingProgramDeferredCostsMemberdte:DTEElectricMember2022-03-172022-03-170000936340srt:MaximumMemberdte:RecoverableUndepreciatedCostsonRetiringPlantsMemberdte:DTEElectricMember2022-03-172022-03-170000936340dte:DTEElectricRateCaseFiling2022Memberdte:MPSCMemberdte:DTEElectricMember2022-01-212022-01-210000936340us-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMember2022-09-300000936340us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2022-09-300000936340us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2022-09-300000936340us-gaap:FairValueMeasurementsRecurringMember2022-09-300000936340us-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMember2021-12-310000936340us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2021-12-310000936340us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2021-12-310000936340us-gaap:FairValueMeasurementsRecurringMember2021-12-310000936340us-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:EquitySecuritiesMember2022-09-300000936340us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Memberus-gaap:EquitySecuritiesMember2022-09-300000936340us-gaap:FairValueMeasurementsRecurringMemberus-gaap:EquitySecuritiesMemberus-gaap:FairValueInputsLevel3Member2022-09-300000936340us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:EquitySecuritiesMember2022-09-300000936340us-gaap:FairValueMeasurementsRecurringMemberus-gaap:EquitySecuritiesMember2022-09-300000936340us-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:EquitySecuritiesMember2021-12-310000936340us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Memberus-gaap:EquitySecuritiesMember2021-12-310000936340us-gaap:FairValueMeasurementsRecurringMemberus-gaap:EquitySecuritiesMemberus-gaap:FairValueInputsLevel3Member2021-12-310000936340us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:EquitySecuritiesMember2021-12-310000936340us-gaap:FairValueMeasurementsRecurringMemberus-gaap:EquitySecuritiesMember2021-12-310000936340us-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FixedIncomeSecuritiesMember2022-09-300000936340us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Memberus-gaap:FixedIncomeSecuritiesMember2022-09-300000936340us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FixedIncomeSecuritiesMemberus-gaap:FairValueInputsLevel3Member2022-09-300000936340us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FixedIncomeSecuritiesMember2022-09-300000936340us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FixedIncomeSecuritiesMember2022-09-300000936340us-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FixedIncomeSecuritiesMember2021-12-310000936340us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Memberus-gaap:FixedIncomeSecuritiesMember2021-12-310000936340us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FixedIncomeSecuritiesMemberus-gaap:FairValueInputsLevel3Member2021-12-310000936340us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FixedIncomeSecuritiesMember2021-12-310000936340us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FixedIncomeSecuritiesMember2021-12-310000936340us-gaap:PrivateEquityFundsMemberus-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMember2022-09-300000936340us-gaap:PrivateEquityFundsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2022-09-300000936340us-gaap:PrivateEquityFundsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2022-09-300000936340us-gaap:PrivateEquityFundsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMember2022-09-300000936340us-gaap:PrivateEquityFundsMemberus-gaap:FairValueMeasurementsRecurringMember2022-09-300000936340us-gaap:PrivateEquityFundsMemberus-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMember2021-12-310000936340us-gaap:PrivateEquityFundsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2021-12-310000936340us-gaap:PrivateEquityFundsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2021-12-310000936340us-gaap:PrivateEquityFundsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMember2021-12-310000936340us-gaap:PrivateEquityFundsMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310000936340us-gaap:FairValueInputsLevel1Memberus-gaap:HedgeFundsMemberus-gaap:FairValueMeasurementsRecurringMember2022-09-300000936340us-gaap:HedgeFundsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2022-09-300000936340us-gaap:HedgeFundsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2022-09-300000936340us-gaap:HedgeFundsMemberus-gaap:FairValueMeasurementsRecurringMember2022-09-300000936340us-gaap:FairValueInputsLevel1Memberus-gaap:HedgeFundsMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310000936340us-gaap:HedgeFundsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2021-12-310000936340us-gaap:HedgeFundsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2021-12-310000936340us-gaap:HedgeFundsMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310000936340us-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:CashEquivalentsMember2022-09-300000936340us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Memberus-gaap:CashEquivalentsMember2022-09-300000936340us-gaap:FairValueMeasurementsRecurringMemberus-gaap:CashEquivalentsMemberus-gaap:FairValueInputsLevel3Member2022-09-300000936340us-gaap:FairValueMeasurementsRecurringMemberus-gaap:CashEquivalentsMember2022-09-300000936340us-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:CashEquivalentsMember2021-12-310000936340us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Memberus-gaap:CashEquivalentsMember2021-12-310000936340us-gaap:FairValueMeasurementsRecurringMemberus-gaap:CashEquivalentsMemberus-gaap:FairValueInputsLevel3Member2021-12-310000936340us-gaap:FairValueMeasurementsRecurringMemberus-gaap:CashEquivalentsMember2021-12-310000936340dte:NaturalGasCommodityContractMemberus-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMember2022-09-300000936340dte:NaturalGasCommodityContractMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2022-09-300000936340dte:NaturalGasCommodityContractMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2022-09-300000936340dte:NaturalGasCommodityContractMemberus-gaap:FairValueMeasurementsRecurringMember2022-09-300000936340dte:NaturalGasCommodityContractMemberus-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMember2021-12-310000936340dte:NaturalGasCommodityContractMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2021-12-310000936340dte:NaturalGasCommodityContractMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2021-12-310000936340dte:NaturalGasCommodityContractMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310000936340us-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMemberdte:ElectricityCommodityContractMember2022-09-300000936340us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Memberdte:ElectricityCommodityContractMember2022-09-300000936340us-gaap:FairValueMeasurementsRecurringMemberdte:ElectricityCommodityContractMemberus-gaap:FairValueInputsLevel3Member2022-09-300000936340us-gaap:FairValueMeasurementsRecurringMemberdte:ElectricityCommodityContractMember2022-09-300000936340us-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMemberdte:ElectricityCommodityContractMember2021-12-310000936340us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Memberdte:ElectricityCommodityContractMember2021-12-310000936340us-gaap:FairValueMeasurementsRecurringMemberdte:ElectricityCommodityContractMemberus-gaap:FairValueInputsLevel3Member2021-12-310000936340us-gaap:FairValueMeasurementsRecurringMemberdte:ElectricityCommodityContractMember2021-12-310000936340us-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMemberdte:EnvironmentalandOtherCommodityContractMember2022-09-300000936340us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Memberdte:EnvironmentalandOtherCommodityContractMember2022-09-300000936340us-gaap:FairValueMeasurementsRecurringMemberdte:EnvironmentalandOtherCommodityContractMemberus-gaap:FairValueInputsLevel3Member2022-09-300000936340us-gaap:FairValueMeasurementsRecurringMemberdte:EnvironmentalandOtherCommodityContractMember2022-09-300000936340us-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMemberdte:EnvironmentalandOtherCommodityContractMember2021-12-310000936340us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Memberdte:EnvironmentalandOtherCommodityContractMember2021-12-310000936340us-gaap:FairValueMeasurementsRecurringMemberdte:EnvironmentalandOtherCommodityContractMemberus-gaap:FairValueInputsLevel3Member2021-12-310000936340us-gaap:FairValueMeasurementsRecurringMemberdte:EnvironmentalandOtherCommodityContractMember2021-12-310000936340us-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:ForeignExchangeContractMember2022-09-300000936340us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Memberus-gaap:ForeignExchangeContractMember2022-09-300000936340us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ForeignExchangeContractMember2022-09-300000936340us-gaap:FairValueMeasurementsRecurringMemberus-gaap:ForeignExchangeContractMember2022-09-300000936340us-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:ForeignExchangeContractMember2021-12-310000936340us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Memberus-gaap:ForeignExchangeContractMember2021-12-310000936340us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ForeignExchangeContractMember2021-12-310000936340us-gaap:FairValueMeasurementsRecurringMemberus-gaap:ForeignExchangeContractMember2021-12-310000936340us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMember2022-09-300000936340us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMember2021-12-310000936340us-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMemberdte:CurrentAssetMember2022-09-300000936340us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Memberdte:CurrentAssetMember2022-09-300000936340us-gaap:FairValueMeasurementsRecurringMemberdte:CurrentAssetMemberus-gaap:FairValueInputsLevel3Member2022-09-300000936340us-gaap:FairValueMeasurementsRecurringMemberdte:CurrentAssetMember2022-09-300000936340us-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMemberdte:CurrentAssetMember2021-12-310000936340us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Memberdte:CurrentAssetMember2021-12-310000936340us-gaap:FairValueMeasurementsRecurringMemberdte:CurrentAssetMemberus-gaap:FairValueInputsLevel3Member2021-12-310000936340us-gaap:FairValueMeasurementsRecurringMemberdte:CurrentAssetMember2021-12-310000936340dte:NoncurrentAssetMemberus-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMember2022-09-300000936340dte:NoncurrentAssetMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2022-09-300000936340dte:NoncurrentAssetMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2022-09-300000936340dte:NoncurrentAssetMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMember2022-09-300000936340dte:NoncurrentAssetMemberus-gaap:FairValueMeasurementsRecurringMember2022-09-300000936340dte:NoncurrentAssetMemberus-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMember2021-12-310000936340dte:NoncurrentAssetMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2021-12-310000936340dte:NoncurrentAssetMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2021-12-310000936340dte:NoncurrentAssetMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMember2021-12-310000936340dte:NoncurrentAssetMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310000936340dte:CurrentDerivativeLiabilityMemberus-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMember2022-09-300000936340dte:CurrentDerivativeLiabilityMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2022-09-300000936340dte:CurrentDerivativeLiabilityMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2022-09-300000936340dte:CurrentDerivativeLiabilityMemberus-gaap:FairValueMeasurementsRecurringMember2022-09-300000936340dte:CurrentDerivativeLiabilityMemberus-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMember2021-12-310000936340dte:CurrentDerivativeLiabilityMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2021-12-310000936340dte:CurrentDerivativeLiabilityMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2021-12-310000936340dte:CurrentDerivativeLiabilityMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310000936340dte:NoncurrentDerivativeLiabilityMemberus-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMember2022-09-300000936340dte:NoncurrentDerivativeLiabilityMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2022-09-300000936340dte:NoncurrentDerivativeLiabilityMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2022-09-300000936340dte:NoncurrentDerivativeLiabilityMemberus-gaap:FairValueMeasurementsRecurringMember2022-09-300000936340dte:NoncurrentDerivativeLiabilityMemberus-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMember2021-12-310000936340dte:NoncurrentDerivativeLiabilityMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2021-12-310000936340dte:NoncurrentDerivativeLiabilityMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2021-12-310000936340dte:NoncurrentDerivativeLiabilityMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310000936340dte:RestrictedCashMemberus-gaap:FairValueMeasurementsRecurringMember2022-09-300000936340dte:RestrictedCashMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310000936340us-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMemberdte:DTEElectricMember2022-09-300000936340us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Memberdte:DTEElectricMember2022-09-300000936340us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Memberdte:DTEElectricMember2022-09-300000936340us-gaap:FairValueMeasurementsRecurringMemberdte:DTEElectricMember2022-09-300000936340us-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMemberdte:DTEElectricMember2021-12-310000936340us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Memberdte:DTEElectricMember2021-12-310000936340us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Memberdte:DTEElectricMember2021-12-310000936340us-gaap:FairValueMeasurementsRecurringMemberdte:DTEElectricMember2021-12-310000936340us-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:EquitySecuritiesMemberdte:DTEElectricMember2022-09-300000936340us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Memberus-gaap:EquitySecuritiesMemberdte:DTEElectricMember2022-09-300000936340us-gaap:FairValueMeasurementsRecurringMemberus-gaap:EquitySecuritiesMemberus-gaap:FairValueInputsLevel3Memberdte:DTEElectricMember2022-09-300000936340us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:EquitySecuritiesMemberdte:DTEElectricMember2022-09-300000936340us-gaap:FairValueMeasurementsRecurringMemberus-gaap:EquitySecuritiesMemberdte:DTEElectricMember2022-09-300000936340us-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:EquitySecuritiesMemberdte:DTEElectricMember2021-12-310000936340us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Memberus-gaap:EquitySecuritiesMemberdte:DTEElectricMember2021-12-310000936340us-gaap:FairValueMeasurementsRecurringMemberus-gaap:EquitySecuritiesMemberus-gaap:FairValueInputsLevel3Memberdte:DTEElectricMember2021-12-310000936340us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:EquitySecuritiesMemberdte:DTEElectricMember2021-12-310000936340us-gaap:FairValueMeasurementsRecurringMemberus-gaap:EquitySecuritiesMemberdte:DTEElectricMember2021-12-310000936340us-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FixedIncomeSecuritiesMemberdte:DTEElectricMember2022-09-300000936340us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Memberus-gaap:FixedIncomeSecuritiesMemberdte:DTEElectricMember2022-09-300000936340us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FixedIncomeSecuritiesMemberus-gaap:FairValueInputsLevel3Memberdte:DTEElectricMember2022-09-300000936340us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FixedIncomeSecuritiesMemberdte:DTEElectricMember2022-09-300000936340us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FixedIncomeSecuritiesMemberdte:DTEElectricMember2022-09-300000936340us-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FixedIncomeSecuritiesMemberdte:DTEElectricMember2021-12-310000936340us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Memberus-gaap:FixedIncomeSecuritiesMemberdte:DTEElectricMember2021-12-310000936340us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FixedIncomeSecuritiesMemberus-gaap:FairValueInputsLevel3Memberdte:DTEElectricMember2021-12-310000936340us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FixedIncomeSecuritiesMemberdte:DTEElectricMember2021-12-310000936340us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FixedIncomeSecuritiesMemberdte:DTEElectricMember2021-12-310000936340us-gaap:PrivateEquityFundsMemberus-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMemberdte:DTEElectricMember2022-09-300000936340us-gaap:PrivateEquityFundsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Memberdte:DTEElectricMember2022-09-300000936340us-gaap:PrivateEquityFundsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Memberdte:DTEElectricMember2022-09-300000936340us-gaap:PrivateEquityFundsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberdte:DTEElectricMember2022-09-300000936340us-gaap:PrivateEquityFundsMemberus-gaap:FairValueMeasurementsRecurringMemberdte:DTEElectricMember2022-09-300000936340us-gaap:PrivateEquityFundsMemberus-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMemberdte:DTEElectricMember2021-12-310000936340us-gaap:PrivateEquityFundsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Memberdte:DTEElectricMember2021-12-310000936340us-gaap:PrivateEquityFundsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Memberdte:DTEElectricMember2021-12-310000936340us-gaap:PrivateEquityFundsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberdte:DTEElectricMember2021-12-310000936340us-gaap:PrivateEquityFundsMemberus-gaap:FairValueMeasurementsRecurringMemberdte:DTEElectricMember2021-12-310000936340us-gaap:FairValueInputsLevel1Memberus-gaap:HedgeFundsMemberus-gaap:FairValueMeasurementsRecurringMemberdte:DTEElectricMember2022-09-300000936340us-gaap:HedgeFundsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Memberdte:DTEElectricMember2022-09-300000936340us-gaap:HedgeFundsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Memberdte:DTEElectricMember2022-09-300000936340us-gaap:HedgeFundsMemberus-gaap:FairValueMeasurementsRecurringMemberdte:DTEElectricMember2022-09-300000936340us-gaap:FairValueInputsLevel1Memberus-gaap:HedgeFundsMemberus-gaap:FairValueMeasurementsRecurringMemberdte:DTEElectricMember2021-12-310000936340us-gaap:HedgeFundsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Memberdte:DTEElectricMember2021-12-310000936340us-gaap:HedgeFundsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Memberdte:DTEElectricMember2021-12-310000936340us-gaap:HedgeFundsMemberus-gaap:FairValueMeasurementsRecurringMemberdte:DTEElectricMember2021-12-310000936340us-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:CashEquivalentsMemberdte:DTEElectricMember2022-09-300000936340us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Memberus-gaap:CashEquivalentsMemberdte:DTEElectricMember2022-09-300000936340us-gaap:FairValueMeasurementsRecurringMemberus-gaap:CashEquivalentsMemberus-gaap:FairValueInputsLevel3Memberdte:DTEElectricMember2022-09-300000936340us-gaap:FairValueMeasurementsRecurringMemberus-gaap:CashEquivalentsMemberdte:DTEElectricMember2022-09-300000936340us-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:CashEquivalentsMemberdte:DTEElectricMember2021-12-310000936340us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Memberus-gaap:CashEquivalentsMemberdte:DTEElectricMember2021-12-310000936340us-gaap:FairValueMeasurementsRecurringMemberus-gaap:CashEquivalentsMemberus-gaap:FairValueInputsLevel3Memberdte:DTEElectricMember2021-12-310000936340us-gaap:FairValueMeasurementsRecurringMemberus-gaap:CashEquivalentsMemberdte:DTEElectricMember2021-12-310000936340us-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMemberdte:FinancialTransmissionRightsMemberdte:DTEElectricMember2022-09-300000936340us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Memberdte:FinancialTransmissionRightsMemberdte:DTEElectricMember2022-09-300000936340us-gaap:FairValueMeasurementsRecurringMemberdte:FinancialTransmissionRightsMemberus-gaap:FairValueInputsLevel3Memberdte:DTEElectricMember2022-09-300000936340us-gaap:FairValueMeasurementsRecurringMemberdte:FinancialTransmissionRightsMemberdte:DTEElectricMember2022-09-300000936340us-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMemberdte:FinancialTransmissionRightsMemberdte:DTEElectricMember2021-12-310000936340us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Memberdte:FinancialTransmissionRightsMemberdte:DTEElectricMember2021-12-310000936340us-gaap:FairValueMeasurementsRecurringMemberdte:FinancialTransmissionRightsMemberus-gaap:FairValueInputsLevel3Memberdte:DTEElectricMember2021-12-310000936340us-gaap:FairValueMeasurementsRecurringMemberdte:FinancialTransmissionRightsMemberdte:DTEElectricMember2021-12-310000936340us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberdte:DTEElectricMember2022-09-300000936340us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberdte:DTEElectricMember2021-12-310000936340us-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMemberdte:CurrentAssetMemberdte:DTEElectricMember2022-09-300000936340us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Memberdte:CurrentAssetMemberdte:DTEElectricMember2022-09-300000936340us-gaap:FairValueMeasurementsRecurringMemberdte:CurrentAssetMemberus-gaap:FairValueInputsLevel3Memberdte:DTEElectricMember2022-09-300000936340us-gaap:FairValueMeasurementsRecurringMemberdte:CurrentAssetMemberdte:DTEElectricMember2022-09-300000936340us-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMemberdte:CurrentAssetMemberdte:DTEElectricMember2021-12-310000936340us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Memberdte:CurrentAssetMemberdte:DTEElectricMember2021-12-310000936340us-gaap:FairValueMeasurementsRecurringMemberdte:CurrentAssetMemberus-gaap:FairValueInputsLevel3Memberdte:DTEElectricMember2021-12-310000936340us-gaap:FairValueMeasurementsRecurringMemberdte:CurrentAssetMemberdte:DTEElectricMember2021-12-310000936340dte:NoncurrentAssetMemberus-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMemberdte:DTEElectricMember2022-09-300000936340dte:NoncurrentAssetMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Memberdte:DTEElectricMember2022-09-300000936340dte:NoncurrentAssetMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Memberdte:DTEElectricMember2022-09-300000936340dte:NoncurrentAssetMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberdte:DTEElectricMember2022-09-300000936340dte:NoncurrentAssetMemberus-gaap:FairValueMeasurementsRecurringMemberdte:DTEElectricMember2022-09-300000936340dte:NoncurrentAssetMemberus-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMemberdte:DTEElectricMember2021-12-310000936340dte:NoncurrentAssetMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Memberdte:DTEElectricMember2021-12-310000936340dte:NoncurrentAssetMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Memberdte:DTEElectricMember2021-12-310000936340dte:NoncurrentAssetMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberdte:DTEElectricMember2021-12-310000936340dte:NoncurrentAssetMemberus-gaap:FairValueMeasurementsRecurringMemberdte:DTEElectricMember2021-12-310000936340dte:RestrictedCashMemberus-gaap:FairValueMeasurementsRecurringMemberdte:DTEElectricMember2022-09-300000936340dte:EquityOrDebtSecuritiesMembersrt:MinimumMember2022-01-012022-09-300000936340dte:EquityOrDebtSecuritiesMembersrt:MaximumMember2022-01-012022-09-300000936340us-gaap:PrivateEquityFundsMembersrt:MinimumMember2022-01-012022-09-300000936340us-gaap:PrivateEquityFundsMembersrt:MaximumMember2022-01-012022-09-300000936340us-gaap:PrivateEquityFundsMember2022-09-300000936340us-gaap:PrivateEquityFundsMember2021-12-310000936340dte:NaturalGasCommodityContractMemberus-gaap:FairValueMeasurementsRecurringMember2022-06-300000936340us-gaap:FairValueMeasurementsRecurringMemberdte:ElectricityCommodityContractMember2022-06-300000936340dte:OtherCommodityContractMemberus-gaap:FairValueMeasurementsRecurringMember2022-06-300000936340us-gaap:FairValueMeasurementsRecurringMember2022-06-300000936340dte:NaturalGasCommodityContractMemberus-gaap:FairValueMeasurementsRecurringMember2021-06-300000936340us-gaap:FairValueMeasurementsRecurringMemberdte:ElectricityCommodityContractMember2021-06-300000936340dte:OtherCommodityContractMemberus-gaap:FairValueMeasurementsRecurringMember2021-06-300000936340us-gaap:FairValueMeasurementsRecurringMember2021-06-300000936340dte:NaturalGasCommodityContractMemberus-gaap:FairValueMeasurementsRecurringMember2022-07-012022-09-300000936340us-gaap:FairValueMeasurementsRecurringMemberdte:ElectricityCommodityContractMember2022-07-012022-09-300000936340dte:OtherCommodityContractMemberus-gaap:FairValueMeasurementsRecurringMember2022-07-012022-09-300000936340us-gaap:FairValueMeasurementsRecurringMember2022-07-012022-09-300000936340dte:NaturalGasCommodityContractMemberus-gaap:FairValueMeasurementsRecurringMember2021-07-012021-09-300000936340us-gaap:FairValueMeasurementsRecurringMemberdte:ElectricityCommodityContractMember2021-07-012021-09-300000936340dte:OtherCommodityContractMemberus-gaap:FairValueMeasurementsRecurringMember2021-07-012021-09-300000936340us-gaap:FairValueMeasurementsRecurringMember2021-07-012021-09-300000936340dte:OtherCommodityContractMemberus-gaap:FairValueMeasurementsRecurringMember2022-09-300000936340dte:NaturalGasCommodityContractMemberus-gaap:FairValueMeasurementsRecurringMember2021-09-300000936340us-gaap:FairValueMeasurementsRecurringMemberdte:ElectricityCommodityContractMember2021-09-300000936340dte:OtherCommodityContractMemberus-gaap:FairValueMeasurementsRecurringMember2021-09-300000936340us-gaap:FairValueMeasurementsRecurringMember2021-09-300000936340dte:OtherCommodityContractMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310000936340dte:NaturalGasCommodityContractMemberus-gaap:FairValueMeasurementsRecurringMember2020-12-310000936340us-gaap:FairValueMeasurementsRecurringMemberdte:ElectricityCommodityContractMember2020-12-310000936340dte:OtherCommodityContractMemberus-gaap:FairValueMeasurementsRecurringMember2020-12-310000936340us-gaap:FairValueMeasurementsRecurringMember2020-12-310000936340dte:NaturalGasCommodityContractMemberus-gaap:FairValueMeasurementsRecurringMember2022-01-012022-09-300000936340us-gaap:FairValueMeasurementsRecurringMemberdte:ElectricityCommodityContractMember2022-01-012022-09-300000936340dte:OtherCommodityContractMemberus-gaap:FairValueMeasurementsRecurringMember2022-01-012022-09-300000936340us-gaap:FairValueMeasurementsRecurringMember2022-01-012022-09-300000936340dte:NaturalGasCommodityContractMemberus-gaap:FairValueMeasurementsRecurringMember2021-01-012021-09-300000936340us-gaap:FairValueMeasurementsRecurringMemberdte:ElectricityCommodityContractMember2021-01-012021-09-300000936340dte:OtherCommodityContractMemberus-gaap:FairValueMeasurementsRecurringMember2021-01-012021-09-300000936340us-gaap:FairValueMeasurementsRecurringMember2021-01-012021-09-300000936340us-gaap:FairValueMeasurementsRecurringMemberdte:DTEElectricMember2022-06-300000936340us-gaap:FairValueMeasurementsRecurringMemberdte:DTEElectricMember2021-06-300000936340us-gaap:FairValueMeasurementsRecurringMemberdte:DTEElectricMember2020-12-310000936340us-gaap:FairValueMeasurementsRecurringMemberdte:DTEElectricMember2022-07-012022-09-300000936340us-gaap:FairValueMeasurementsRecurringMemberdte:DTEElectricMember2021-07-012021-09-300000936340us-gaap:FairValueMeasurementsRecurringMemberdte:DTEElectricMember2022-01-012022-09-300000936340us-gaap:FairValueMeasurementsRecurringMemberdte:DTEElectricMember2021-01-012021-09-300000936340us-gaap:FairValueMeasurementsRecurringMemberdte:DTEElectricMember2021-09-300000936340dte:NaturalGasCommodityContractMembersrt:MinimumMemberus-gaap:ValuationTechniqueDiscountedCashFlowMemberus-gaap:MeasurementInputCommodityForwardPriceMemberus-gaap:FairValueInputsLevel3Member2022-09-30iso4217:USDutr:MMBTU0000936340dte:NaturalGasCommodityContractMemberus-gaap:ValuationTechniqueDiscountedCashFlowMemberus-gaap:MeasurementInputCommodityForwardPriceMembersrt:MaximumMemberus-gaap:FairValueInputsLevel3Member2022-09-300000936340dte:NaturalGasCommodityContractMembersrt:WeightedAverageMemberus-gaap:ValuationTechniqueDiscountedCashFlowMemberus-gaap:MeasurementInputCommodityForwardPriceMemberus-gaap:FairValueInputsLevel3Member2022-09-300000936340srt:MinimumMemberus-gaap:ValuationTechniqueDiscountedCashFlowMemberus-gaap:MeasurementInputCommodityForwardPriceMemberdte:ElectricityCommodityContractMemberus-gaap:FairValueInputsLevel3Member2022-09-30iso4217:USDutr:MWh0000936340us-gaap:ValuationTechniqueDiscountedCashFlowMemberus-gaap:MeasurementInputCommodityForwardPriceMemberdte:ElectricityCommodityContractMembersrt:MaximumMemberus-gaap:FairValueInputsLevel3Member2022-09-300000936340srt:WeightedAverageMemberus-gaap:ValuationTechniqueDiscountedCashFlowMemberus-gaap:MeasurementInputCommodityForwardPriceMemberdte:ElectricityCommodityContractMemberus-gaap:FairValueInputsLevel3Member2022-09-300000936340dte:NaturalGasCommodityContractMembersrt:MinimumMemberus-gaap:ValuationTechniqueDiscountedCashFlowMemberus-gaap:MeasurementInputCommodityForwardPriceMemberus-gaap:FairValueInputsLevel3Member2021-12-310000936340dte:NaturalGasCommodityContractMemberus-gaap:ValuationTechniqueDiscountedCashFlowMemberus-gaap:MeasurementInputCommodityForwardPriceMembersrt:MaximumMemberus-gaap:FairValueInputsLevel3Member2021-12-310000936340dte:NaturalGasCommodityContractMembersrt:WeightedAverageMemberus-gaap:ValuationTechniqueDiscountedCashFlowMemberus-gaap:MeasurementInputCommodityForwardPriceMemberus-gaap:FairValueInputsLevel3Member2021-12-310000936340srt:MinimumMemberus-gaap:ValuationTechniqueDiscountedCashFlowMemberus-gaap:MeasurementInputCommodityForwardPriceMemberdte:ElectricityCommodityContractMemberus-gaap:FairValueInputsLevel3Member2021-12-310000936340us-gaap:ValuationTechniqueDiscountedCashFlowMemberus-gaap:MeasurementInputCommodityForwardPriceMemberdte:ElectricityCommodityContractMembersrt:MaximumMemberus-gaap:FairValueInputsLevel3Member2021-12-310000936340srt:WeightedAverageMemberus-gaap:ValuationTechniqueDiscountedCashFlowMemberus-gaap:MeasurementInputCommodityForwardPriceMemberdte:ElectricityCommodityContractMemberus-gaap:FairValueInputsLevel3Member2021-12-310000936340us-gaap:CarryingReportedAmountFairValueDisclosureMember2022-09-300000936340us-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:FairValueInputsLevel1Member2022-09-300000936340us-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:FairValueInputsLevel2Member2022-09-300000936340us-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:FairValueInputsLevel3Member2022-09-300000936340us-gaap:CarryingReportedAmountFairValueDisclosureMember2021-12-310000936340us-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:FairValueInputsLevel1Member2021-12-310000936340us-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:FairValueInputsLevel2Member2021-12-310000936340us-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:FairValueInputsLevel3Member2021-12-310000936340us-gaap:CarryingReportedAmountFairValueDisclosureMemberdte:DTEElectricMember2022-09-300000936340us-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:FairValueInputsLevel1Memberdte:DTEElectricMember2022-09-300000936340us-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:FairValueInputsLevel2Memberdte:DTEElectricMember2022-09-300000936340us-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:FairValueInputsLevel3Memberdte:DTEElectricMember2022-09-300000936340us-gaap:CarryingReportedAmountFairValueDisclosureMemberdte:DTEElectricMember2021-12-310000936340us-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:FairValueInputsLevel1Memberdte:DTEElectricMember2021-12-310000936340us-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:FairValueInputsLevel2Memberdte:DTEElectricMember2021-12-310000936340us-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:FairValueInputsLevel3Memberdte:DTEElectricMember2021-12-310000936340us-gaap:CarryingReportedAmountFairValueDisclosureMembersrt:AffiliatedEntityMemberdte:DTEElectricMember2022-09-300000936340us-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:FairValueInputsLevel1Membersrt:AffiliatedEntityMemberdte:DTEElectricMember2022-09-300000936340us-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:FairValueInputsLevel2Membersrt:AffiliatedEntityMemberdte:DTEElectricMember2022-09-300000936340us-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:FairValueInputsLevel3Membersrt:AffiliatedEntityMemberdte:DTEElectricMember2022-09-300000936340us-gaap:CarryingReportedAmountFairValueDisclosureMembersrt:AffiliatedEntityMemberdte:DTEElectricMember2021-12-310000936340us-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:FairValueInputsLevel1Membersrt:AffiliatedEntityMemberdte:DTEElectricMember2021-12-310000936340us-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:FairValueInputsLevel2Membersrt:AffiliatedEntityMemberdte:DTEElectricMember2021-12-310000936340us-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:FairValueInputsLevel3Membersrt:AffiliatedEntityMemberdte:DTEElectricMember2021-12-310000936340dte:NuclearDecommissioningTrustFundMemberus-gaap:NuclearPlantMemberdte:DTEElectricMember2022-09-300000936340dte:NuclearDecommissioningTrustFundMemberus-gaap:NuclearPlantMemberdte:DTEElectricMember2021-12-310000936340dte:NuclearDecommissioningTrustFundMemberdte:NuclearPlant1Memberdte:DTEElectricMember2022-09-300000936340dte:NuclearDecommissioningTrustFundMemberdte:NuclearPlant1Memberdte:DTEElectricMember2021-12-310000936340dte:LowLevelRadioactiveWasteMemberdte:NuclearDecommissioningTrustFundMemberdte:DTEElectricMember2022-09-300000936340dte:LowLevelRadioactiveWasteMemberdte:NuclearDecommissioningTrustFundMemberdte:DTEElectricMember2021-12-310000936340dte:NuclearDecommissioningTrustFundMemberdte:DTEElectricMember2022-09-300000936340dte:NuclearDecommissioningTrustFundMemberdte:DTEElectricMember2021-12-310000936340dte:NuclearDecommissioningTrustFundMemberdte:DTEElectricMember2022-07-012022-09-300000936340dte:NuclearDecommissioningTrustFundMemberdte:DTEElectricMember2021-07-012021-09-300000936340dte:NuclearDecommissioningTrustFundMemberdte:DTEElectricMember2022-01-012022-09-300000936340dte:NuclearDecommissioningTrustFundMemberdte:DTEElectricMember2021-01-012021-09-300000936340us-gaap:EquitySecuritiesMemberdte:DTEElectricMember2022-09-300000936340us-gaap:EquitySecuritiesMemberdte:DTEElectricMember2021-12-310000936340us-gaap:FixedIncomeSecuritiesMemberdte:DTEElectricMember2022-09-300000936340us-gaap:FixedIncomeSecuritiesMemberdte:DTEElectricMember2021-12-310000936340us-gaap:PrivateEquityFundsMemberdte:DTEElectricMember2022-09-300000936340us-gaap:PrivateEquityFundsMemberdte:DTEElectricMember2021-12-310000936340us-gaap:HedgeFundsMemberdte:DTEElectricMember2022-09-300000936340us-gaap:HedgeFundsMemberdte:DTEElectricMember2021-12-310000936340us-gaap:CashEquivalentsMemberdte:DTEElectricMember2022-09-300000936340us-gaap:CashEquivalentsMemberdte:DTEElectricMember2021-12-310000936340dte:NuclearDecommissioningTrustFundMemberus-gaap:FixedIncomeSecuritiesMember2022-09-300000936340us-gaap:EquitySecuritiesMember2022-07-012022-09-300000936340us-gaap:EquitySecuritiesMember2021-07-012021-09-300000936340us-gaap:EquitySecuritiesMember2022-01-012022-09-300000936340us-gaap:EquitySecuritiesMember2021-01-012021-09-300000936340us-gaap:FixedIncomeSecuritiesMember2022-07-012022-09-300000936340us-gaap:FixedIncomeSecuritiesMember2021-07-012021-09-300000936340us-gaap:FixedIncomeSecuritiesMember2022-01-012022-09-300000936340us-gaap:FixedIncomeSecuritiesMember2021-01-012021-09-300000936340us-gaap:AssetHeldInTrustMember2022-07-012022-09-300000936340us-gaap:AssetHeldInTrustMember2021-07-012021-09-300000936340us-gaap:AssetHeldInTrustMember2022-01-012022-09-300000936340us-gaap:AssetHeldInTrustMember2021-01-012021-09-300000936340us-gaap:DesignatedAsHedgingInstrumentMemberus-gaap:ForeignExchangeContractMember2022-09-300000936340us-gaap:DesignatedAsHedgingInstrumentMemberus-gaap:ForeignExchangeContractMember2021-12-310000936340dte:NaturalGasCommodityContractMemberus-gaap:NondesignatedMember2022-09-300000936340dte:NaturalGasCommodityContractMemberus-gaap:NondesignatedMember2021-12-310000936340dte:ElectricityCommodityContractMemberus-gaap:NondesignatedMember2022-09-300000936340dte:ElectricityCommodityContractMemberus-gaap:NondesignatedMember2021-12-310000936340dte:EnvironmentalandOtherCommodityContractMemberus-gaap:NondesignatedMember2022-09-300000936340dte:EnvironmentalandOtherCommodityContractMemberus-gaap:NondesignatedMember2021-12-310000936340us-gaap:NondesignatedMemberus-gaap:ForeignExchangeContractMember2022-09-300000936340us-gaap:NondesignatedMemberus-gaap:ForeignExchangeContractMember2021-12-310000936340us-gaap:NondesignatedMember2022-09-300000936340us-gaap:NondesignatedMember2021-12-310000936340dte:CurrentDerivativeAssetMember2022-09-300000936340dte:CurrentDerivativeLiabilityMember2022-09-300000936340dte:CurrentDerivativeAssetMember2021-12-310000936340dte:CurrentDerivativeLiabilityMember2021-12-310000936340dte:NoncurrentDerivativeAssetMember2022-09-300000936340dte:NoncurrentDerivativeLiabilityMember2022-09-300000936340dte:NoncurrentDerivativeAssetMember2021-12-310000936340dte:NoncurrentDerivativeLiabilityMember2021-12-310000936340us-gaap:NondesignatedMemberdte:FinancialTransmissionRightsMemberus-gaap:OtherCurrentAssetsMemberdte:DTEElectricMember2022-09-300000936340us-gaap:NondesignatedMemberdte:FinancialTransmissionRightsMemberus-gaap:OtherCurrentAssetsMemberdte:DTEElectricMember2021-12-310000936340dte:NaturalGasCommodityContractMember2022-09-300000936340dte:NaturalGasCommodityContractMember2021-12-310000936340dte:ElectricityCommodityContractMember2022-09-300000936340dte:ElectricityCommodityContractMember2021-12-310000936340dte:EnvironmentalandOtherCommodityContractMember2022-09-300000936340dte:EnvironmentalandOtherCommodityContractMember2021-12-310000936340us-gaap:ForeignExchangeContractMember2022-09-300000936340us-gaap:ForeignExchangeContractMember2021-12-310000936340dte:NaturalGasCommodityContractMemberus-gaap:SalesMember2022-07-012022-09-300000936340dte:NaturalGasCommodityContractMemberus-gaap:SalesMember2021-07-012021-09-300000936340dte:NaturalGasCommodityContractMemberus-gaap:SalesMember2022-01-012022-09-300000936340dte:NaturalGasCommodityContractMemberus-gaap:SalesMember2021-01-012021-09-300000936340dte:NaturalGasCommodityContractMembersrt:FuelMember2022-07-012022-09-300000936340dte:NaturalGasCommodityContractMembersrt:FuelMember2021-07-012021-09-300000936340dte:NaturalGasCommodityContractMembersrt:FuelMember2022-01-012022-09-300000936340dte:NaturalGasCommodityContractMembersrt:FuelMember2021-01-012021-09-300000936340dte:ElectricityCommodityContractMemberus-gaap:SalesMember2022-07-012022-09-300000936340dte:ElectricityCommodityContractMemberus-gaap:SalesMember2021-07-012021-09-300000936340dte:ElectricityCommodityContractMemberus-gaap:SalesMember2022-01-012022-09-300000936340dte:ElectricityCommodityContractMemberus-gaap:SalesMember2021-01-012021-09-300000936340dte:EnvironmentalandOtherCommodityContractMemberus-gaap:SalesMember2022-07-012022-09-300000936340dte:EnvironmentalandOtherCommodityContractMemberus-gaap:SalesMember2021-07-012021-09-300000936340dte:EnvironmentalandOtherCommodityContractMemberus-gaap:SalesMember2022-01-012022-09-300000936340dte:EnvironmentalandOtherCommodityContractMemberus-gaap:SalesMember2021-01-012021-09-300000936340us-gaap:SalesMemberus-gaap:ForeignExchangeContractMember2022-07-012022-09-300000936340us-gaap:SalesMemberus-gaap:ForeignExchangeContractMember2021-07-012021-09-300000936340us-gaap:SalesMemberus-gaap:ForeignExchangeContractMember2022-01-012022-09-300000936340us-gaap:SalesMemberus-gaap:ForeignExchangeContractMember2021-01-012021-09-300000936340dte:NaturalGasCommodityContractMember2022-01-012022-09-30utr:MMBTU0000936340dte:ElectricityCommodityContractMember2022-01-012022-09-30utr:MWh0000936340dte:OilCommodityContractMember2022-01-012022-09-30utr:galiso4217:CAD0000936340dte:RenewableEnergyCommodityContractMember2022-01-012022-09-300000936340dte:CarbonEmissionsCommodityContractMember2022-01-012022-09-30utr:T0000936340us-gaap:MortgagesMemberdte:February2022300MortgageBondsMaturingIn2032Memberdte:DTEElectricMember2022-02-280000936340us-gaap:MortgagesMemberdte:February2022365MortgageBondsMaturingIn2052Memberdte:DTEElectricMember2022-02-280000936340dte:SecuritizationBondsMemberdte:March2022264SecuritizationBondsDue2027Memberdte:DTEElectricMember2022-03-310000936340dte:SecuritizationBondsMemberdte:March2022311SecuritizationBondsDue2036Memberdte:DTEElectricMember2022-03-310000936340us-gaap:UnsecuredDebtMemberdte:June2022UnsecuredTermLoanMaturingInDecember2023Member2022-08-310000936340dte:DTEGasMemberdte:September2022476MortgageBondsDue2032Memberus-gaap:MortgagesMember2022-09-300000936340dte:DTEGasMemberdte:September2022505MortgageBondsDue2052Memberus-gaap:MortgagesMember2022-09-300000936340us-gaap:MortgagesMemberdte:A2012SeriesAMortgageBondsMemberdte:DTEElectricMember2022-03-012022-03-310000936340us-gaap:ParentMemberdte:DTEElectricMember2022-03-012022-03-310000936340us-gaap:UnsecuredDebtMemberdte:June2022UnsecuredTermLoanMaturingInDecember2023Member2022-06-300000936340dte:SecuredOvernightFinancingRateSOFRMemberus-gaap:UnsecuredDebtMemberdte:June2022UnsecuredTermLoanMaturingInDecember2023Member2022-06-012022-06-300000936340us-gaap:MortgagesMemberdte:A265MortgageBondsMaturingIn2022Memberdte:DTEElectricMember2022-03-310000936340us-gaap:MortgagesMemberdte:A265MortgageBondsMaturingIn2022Memberdte:DTEElectricMember2022-03-012022-03-310000936340dte:A695MortgageBondsMaturingIn2022Memberus-gaap:MortgagesMemberdte:DTEElectricMember2022-09-300000936340dte:A695MortgageBondsMaturingIn2022Memberus-gaap:MortgagesMemberdte:DTEElectricMember2022-09-012022-09-300000936340dte:EquityUnitsMemberdte:November2019SeriesF2.25RSNsMaturing2025Member2019-11-300000936340dte:EquityUnitsMemberdte:November2019SeriesF2.25RSNsMaturing2025Member2022-08-310000936340dte:EquityUnitsMemberdte:November2019SeriesF2.25RSNsMaturing2025Member2022-08-080000936340srt:MinimumMembersrt:ScenarioForecastMemberdte:EquityUnitsSubjecttoMandatoryRedemptionMember2022-11-300000936340srt:ScenarioForecastMemberdte:EquityUnitsSubjecttoMandatoryRedemptionMembersrt:MaximumMember2022-11-300000936340srt:ScenarioForecastMemberdte:EquityUnitsSubjecttoMandatoryRedemptionMember2022-11-300000936340dte:EquityUnitsSubjecttoMandatoryRedemptionMember2019-11-300000936340srt:ParentCompanyMemberus-gaap:LetterOfCreditMemberdte:UnsecuredLetterOfCreditFacilityExpiringInJune2023Member2022-05-310000936340srt:ParentCompanyMemberus-gaap:LetterOfCreditMemberdte:UnsecuredLetterOfCreditFacilityExpiringInJune2023Member2022-06-300000936340srt:ParentCompanyMembersrt:MaximumMember2022-09-300000936340dte:DTEGasMembersrt:MaximumMember2022-09-300000936340srt:MaximumMemberdte:DTEElectricMember2022-09-300000936340srt:ParentCompanyMember2022-09-300000936340dte:DTEGasMember2022-09-300000936340srt:ParentCompanyMemberdte:UnsecuredRevolvingCreditFacilityExpiringInApril2026Memberus-gaap:RevolvingCreditFacilityMember2022-09-300000936340dte:UnsecuredRevolvingCreditFacilityExpiringInApril2026Memberus-gaap:RevolvingCreditFacilityMemberdte:DTEElectricMember2022-09-300000936340dte:DTEGasMemberdte:UnsecuredRevolvingCreditFacilityExpiringInApril2026Memberus-gaap:RevolvingCreditFacilityMember2022-09-300000936340dte:UnsecuredRevolvingCreditFacilityExpiringInApril2026Memberus-gaap:RevolvingCreditFacilityMember2022-09-300000936340srt:ParentCompanyMemberdte:UnsecuredCanadianRevolvingCreditFacilityExpiringMay2023Memberus-gaap:RevolvingCreditFacilityMember2022-09-300000936340dte:UnsecuredCanadianRevolvingCreditFacilityExpiringMay2023Memberus-gaap:RevolvingCreditFacilityMemberdte:DTEElectricMember2022-09-300000936340dte:DTEGasMemberdte:UnsecuredCanadianRevolvingCreditFacilityExpiringMay2023Memberus-gaap:RevolvingCreditFacilityMember2022-09-300000936340dte:UnsecuredCanadianRevolvingCreditFacilityExpiringMay2023Memberus-gaap:RevolvingCreditFacilityMember2022-09-300000936340dte:UnsecuredLetterOfCreditFacilityExpiringInFebruary2023Membersrt:ParentCompanyMemberus-gaap:LetterOfCreditMember2022-09-300000936340dte:UnsecuredLetterOfCreditFacilityExpiringInFebruary2023Memberus-gaap:LetterOfCreditMemberdte:DTEElectricMember2022-09-300000936340dte:DTEGasMemberdte:UnsecuredLetterOfCreditFacilityExpiringInFebruary2023Memberus-gaap:LetterOfCreditMember2022-09-300000936340dte:UnsecuredLetterOfCreditFacilityExpiringInFebruary2023Memberus-gaap:LetterOfCreditMember2022-09-300000936340srt:ParentCompanyMemberus-gaap:LetterOfCreditMemberdte:UnsecuredLetterOfCreditFacilityExpiringInJune2023Member2022-09-300000936340us-gaap:LetterOfCreditMemberdte:UnsecuredLetterOfCreditFacilityExpiringInJune2023Memberdte:DTEElectricMember2022-09-300000936340dte:DTEGasMemberus-gaap:LetterOfCreditMemberdte:UnsecuredLetterOfCreditFacilityExpiringInJune2023Member2022-09-300000936340us-gaap:LetterOfCreditMemberdte:UnsecuredLetterOfCreditFacilityExpiringInJune2023Member2022-09-300000936340srt:ParentCompanyMemberus-gaap:LetterOfCreditMemberdte:UnsecuredLetterOfCreditFacilityAutomaticRenewalEachJulyMember2022-09-300000936340us-gaap:LetterOfCreditMemberdte:UnsecuredLetterOfCreditFacilityAutomaticRenewalEachJulyMemberdte:DTEElectricMember2022-09-300000936340dte:DTEGasMemberus-gaap:LetterOfCreditMemberdte:UnsecuredLetterOfCreditFacilityAutomaticRenewalEachJulyMember2022-09-300000936340us-gaap:LetterOfCreditMemberdte:UnsecuredLetterOfCreditFacilityAutomaticRenewalEachJulyMember2022-09-300000936340srt:ParentCompanyMemberus-gaap:RevolvingCreditFacilityMember2022-09-300000936340us-gaap:RevolvingCreditFacilityMemberdte:DTEElectricMember2022-09-300000936340dte:DTEGasMemberus-gaap:RevolvingCreditFacilityMember2022-09-300000936340us-gaap:RevolvingCreditFacilityMember2022-09-300000936340us-gaap:CommercialPaperMembersrt:ParentCompanyMember2022-09-300000936340us-gaap:CommercialPaperMemberdte:DTEElectricMember2022-09-300000936340dte:DTEGasMemberus-gaap:CommercialPaperMember2022-09-300000936340us-gaap:CommercialPaperMember2022-09-300000936340srt:ParentCompanyMemberus-gaap:LetterOfCreditMember2022-09-300000936340us-gaap:LetterOfCreditMemberdte:DTEElectricMember2022-09-300000936340dte:DTEGasMemberus-gaap:LetterOfCreditMember2022-09-300000936340us-gaap:LetterOfCreditMember2022-09-300000936340us-gaap:SubsequentEventMemberdte:UnsecuredRevolvingCreditFacilityExpiringInOctober2027Memberus-gaap:RevolvingCreditFacilityMember2022-10-270000936340us-gaap:SubsequentEventMemberdte:UnsecuredRevolvingCreditFacilityExpiringInOctober2027Memberus-gaap:RevolvingCreditFacilityMemberdte:DTEElectricMember2022-10-270000936340dte:DemandFinancingAgreementUpToUSD50MillionMembersrt:ParentCompanyMemberdte:DemandFinancingAgreementMember2022-09-300000936340srt:ParentCompanyMemberdte:DemandFinancingAgreementUpToUSD150MillionMemberdte:DemandFinancingAgreementMember2022-09-300000936340srt:ParentCompanyMemberdte:DemandFinancingAgreementMember2022-09-300000936340srt:ParentCompanyMemberdte:DemandFinancingAgreementMember2021-12-310000936340dte:RegulatedandUnregulatedOperatingRevenueMember2022-07-012022-09-300000936340dte:RegulatedandUnregulatedOperatingRevenueMember2021-07-012021-09-300000936340dte:RegulatedandUnregulatedOperatingRevenueMember2022-01-012022-09-300000936340dte:RegulatedandUnregulatedOperatingRevenueMember2021-01-012021-09-300000936340us-gaap:OtherIncomeMember2022-07-012022-09-300000936340us-gaap:OtherIncomeMember2021-07-012021-09-300000936340us-gaap:OtherIncomeMember2022-01-012022-09-300000936340us-gaap:OtherIncomeMember2021-01-012021-09-30dte:sitedte:facility0000936340dte:CoalCombustionResidualAndEffluentLimitationsGuidelinesRulesMemberdte:DTEElectricMember2022-09-300000936340dte:DTEGasMember2022-01-012022-09-300000936340dte:DTEGasMemberdte:CleanUpCompletedandSiteClosedMember2022-01-012022-09-300000936340dte:DTEGasMemberdte:PartialClosureCompleteMember2022-01-012022-09-300000936340dte:DTEGasMember2021-12-310000936340dte:ReducedEmissionsFuelGuaranteesMember2022-01-012022-09-300000936340dte:ReducedEmissionsFuelGuaranteesMember2022-09-300000936340us-gaap:GuaranteeTypeOtherMember2022-09-300000936340us-gaap:SuretyBondMember2022-09-300000936340dte:DTEElectricMemberus-gaap:SuretyBondMember2022-09-300000936340dte:EnergyTradingMemberus-gaap:SuretyBondMember2022-09-300000936340dte:EnergyTradingMembersrt:MinimumMemberus-gaap:SuretyBondMember2022-01-012022-09-300000936340dte:EnergyTradingMembersrt:MaximumMemberus-gaap:SuretyBondMember2022-01-012022-09-300000936340us-gaap:WorkforceSubjectToCollectiveBargainingArrangementsMemberus-gaap:LaborForceConcentrationRiskMember2022-09-30dte:employee0000936340us-gaap:WorkforceSubjectToCollectiveBargainingArrangementsMemberus-gaap:LaborForceConcentrationRiskMemberdte:DTEElectricMember2022-09-300000936340us-gaap:WorkforceSubjectToCollectiveBargainingArrangementsMemberus-gaap:LaborForceConcentrationRiskMember2022-01-012022-09-300000936340us-gaap:WorkforceSubjectToCollectiveBargainingArrangementsMemberus-gaap:LaborForceConcentrationRiskMemberdte:DTEElectricMember2022-01-012022-09-300000936340us-gaap:WorkforceSubjectToCollectiveBargainingArrangementsExpiringWithinOneYearMemberus-gaap:LaborForceConcentrationRiskMemberdte:DTEElectricMember2022-01-012022-09-300000936340us-gaap:WorkforceSubjectToCollectiveBargainingArrangementsExpiringWithinOneYearMemberus-gaap:LaborForceConcentrationRiskMember2022-01-012022-09-300000936340dte:ToshibaAmericaEnergySystemsAndToshibaCorporationMemberus-gaap:PendingLitigationMemberdte:DTEElectricAndConsumersEnergyCompanyMemberdte:LudingtonPlantContractDisputeMember2022-06-012022-06-300000936340us-gaap:PendingLitigationMemberdte:LudingtonPlantContractDisputeMemberdte:DTEElectricMember2022-06-012022-06-300000936340us-gaap:PensionPlansDefinedBenefitMember2022-07-012022-09-300000936340us-gaap:PensionPlansDefinedBenefitMember2021-07-012021-09-300000936340us-gaap:OtherPostretirementBenefitPlansDefinedBenefitMember2022-07-012022-09-300000936340us-gaap:OtherPostretirementBenefitPlansDefinedBenefitMember2021-07-012021-09-300000936340us-gaap:PensionPlansDefinedBenefitMember2022-01-012022-09-300000936340us-gaap:PensionPlansDefinedBenefitMember2021-01-012021-09-300000936340us-gaap:OtherPostretirementBenefitPlansDefinedBenefitMember2022-01-012022-09-300000936340us-gaap:OtherPostretirementBenefitPlansDefinedBenefitMember2021-01-012021-09-300000936340us-gaap:PensionPlansDefinedBenefitMemberdte:DTEElectricMember2022-07-012022-09-300000936340us-gaap:PensionPlansDefinedBenefitMemberdte:DTEElectricMember2021-07-012021-09-300000936340us-gaap:PensionPlansDefinedBenefitMemberdte:DTEElectricMember2022-01-012022-09-300000936340us-gaap:PensionPlansDefinedBenefitMemberdte:DTEElectricMember2021-01-012021-09-300000936340us-gaap:OtherPostretirementBenefitPlansDefinedBenefitMemberdte:DTEElectricMember2022-07-012022-09-300000936340us-gaap:OtherPostretirementBenefitPlansDefinedBenefitMemberdte:DTEElectricMember2021-07-012021-09-300000936340us-gaap:OtherPostretirementBenefitPlansDefinedBenefitMemberdte:DTEElectricMember2022-01-012022-09-300000936340us-gaap:OtherPostretirementBenefitPlansDefinedBenefitMemberdte:DTEElectricMember2021-01-012021-09-300000936340us-gaap:OtherPostretirementBenefitPlansDefinedBenefitMember2022-09-300000936340us-gaap:PensionPlansDefinedBenefitMemberus-gaap:QualifiedPlanMember2022-09-300000936340dte:DTEGasMemberus-gaap:PensionPlansDefinedBenefitMembersrt:ScenarioForecastMemberus-gaap:QualifiedPlanMembersrt:MaximumMember2022-10-012022-12-310000936340us-gaap:PensionPlansDefinedBenefitMembersrt:ScenarioForecastMemberus-gaap:QualifiedPlanMembersrt:MaximumMemberdte:DTEElectricMember2022-10-012022-12-310000936340us-gaap:IntersegmentEliminationMemberdte:ElectricMember2022-07-012022-09-300000936340us-gaap:IntersegmentEliminationMemberdte:ElectricMember2021-07-012021-09-300000936340us-gaap:IntersegmentEliminationMemberdte:ElectricMember2022-01-012022-09-300000936340us-gaap:IntersegmentEliminationMemberdte:ElectricMember2021-01-012021-09-300000936340dte:GasMemberus-gaap:IntersegmentEliminationMember2022-07-012022-09-300000936340dte:GasMemberus-gaap:IntersegmentEliminationMember2021-07-012021-09-300000936340dte:GasMemberus-gaap:IntersegmentEliminationMember2022-01-012022-09-300000936340dte:GasMemberus-gaap:IntersegmentEliminationMember2021-01-012021-09-300000936340dte:DTEVantageMemberus-gaap:IntersegmentEliminationMember2022-07-012022-09-300000936340dte:DTEVantageMemberus-gaap:IntersegmentEliminationMember2021-07-012021-09-300000936340dte:DTEVantageMemberus-gaap:IntersegmentEliminationMember2022-01-012022-09-300000936340dte:DTEVantageMemberus-gaap:IntersegmentEliminationMember2021-01-012021-09-300000936340dte:EnergyTradingMemberus-gaap:IntersegmentEliminationMember2022-07-012022-09-300000936340dte:EnergyTradingMemberus-gaap:IntersegmentEliminationMember2021-07-012021-09-300000936340dte:EnergyTradingMemberus-gaap:IntersegmentEliminationMember2022-01-012022-09-300000936340dte:EnergyTradingMemberus-gaap:IntersegmentEliminationMember2021-01-012021-09-300000936340us-gaap:IntersegmentEliminationMemberus-gaap:CorporateAndOtherMember2022-07-012022-09-300000936340us-gaap:IntersegmentEliminationMemberus-gaap:CorporateAndOtherMember2021-07-012021-09-300000936340us-gaap:IntersegmentEliminationMemberus-gaap:CorporateAndOtherMember2022-01-012022-09-300000936340us-gaap:IntersegmentEliminationMemberus-gaap:CorporateAndOtherMember2021-01-012021-09-300000936340us-gaap:IntersegmentEliminationMember2022-07-012022-09-300000936340us-gaap:IntersegmentEliminationMember2021-07-012021-09-300000936340us-gaap:IntersegmentEliminationMember2022-01-012022-09-300000936340us-gaap:IntersegmentEliminationMember2021-01-012021-09-300000936340us-gaap:OperatingSegmentsMemberdte:ElectricMember2022-07-012022-09-300000936340us-gaap:OperatingSegmentsMemberdte:ElectricMember2021-07-012021-09-300000936340us-gaap:OperatingSegmentsMemberdte:ElectricMember2022-01-012022-09-300000936340us-gaap:OperatingSegmentsMemberdte:ElectricMember2021-01-012021-09-300000936340dte:GasMemberus-gaap:OperatingSegmentsMember2022-07-012022-09-300000936340dte:GasMemberus-gaap:OperatingSegmentsMember2021-07-012021-09-300000936340dte:GasMemberus-gaap:OperatingSegmentsMember2022-01-012022-09-300000936340dte:GasMemberus-gaap:OperatingSegmentsMember2021-01-012021-09-300000936340dte:DTEVantageMemberus-gaap:OperatingSegmentsMember2022-07-012022-09-300000936340dte:DTEVantageMemberus-gaap:OperatingSegmentsMember2021-07-012021-09-300000936340dte:DTEVantageMemberus-gaap:OperatingSegmentsMember2022-01-012022-09-300000936340dte:DTEVantageMemberus-gaap:OperatingSegmentsMember2021-01-012021-09-300000936340dte:EnergyTradingMemberus-gaap:OperatingSegmentsMember2022-07-012022-09-300000936340dte:EnergyTradingMemberus-gaap:OperatingSegmentsMember2021-07-012021-09-300000936340dte:EnergyTradingMemberus-gaap:OperatingSegmentsMember2022-01-012022-09-300000936340dte:EnergyTradingMemberus-gaap:OperatingSegmentsMember2021-01-012021-09-300000936340us-gaap:CorporateAndOtherMemberus-gaap:OperatingSegmentsMember2022-07-012022-09-300000936340us-gaap:CorporateAndOtherMemberus-gaap:OperatingSegmentsMember2021-07-012021-09-300000936340us-gaap:CorporateAndOtherMemberus-gaap:OperatingSegmentsMember2022-01-012022-09-300000936340us-gaap:CorporateAndOtherMemberus-gaap:OperatingSegmentsMember2021-01-012021-09-300000936340us-gaap:IntersegmentEliminationMemberdte:GasStorageAndPipelinesMember2021-01-012021-09-300000936340us-gaap:CorporateAndOtherMember2022-07-012022-09-300000936340us-gaap:CorporateAndOtherMember2021-07-012021-09-300000936340us-gaap:CorporateAndOtherMember2022-01-012022-09-300000936340us-gaap:CorporateAndOtherMember2021-01-012021-09-30


UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
__________________________________________
FORM 10-Q

QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
For the Quarterly Period ended September 30, 2022
Or
TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
dte-20220930_g1.jpg
Commission File Number: 1-11607
DTE Energy Company
Michigan38-3217752
(State or other jurisdiction of incorporation or organization)(I.R.S Employer Identification No.)
Commission File Number: 1-2198
DTE Electric Company
Michigan38-0478650
(State or other jurisdiction of incorporation or organization)(I.R.S Employer Identification No.)
Registrants address of principal executive offices: One Energy Plaza, Detroit, Michigan 48226-1279
Registrants telephone number, including area code: (313) 235-4000
Securities registered pursuant to Section 12(b) of the Act:
Title of Each Class
Trading Symbol(s)
Name of Exchange on which Registered
Common stock, without par value
DTE
New York Stock Exchange
2017 Series E 5.25% Junior Subordinated Debentures due 2077
DTW
New York Stock Exchange
2019 6.25% Corporate UnitsDTP
New York Stock Exchange
2020 Series G 4.375% Junior Subordinated Debentures due 2080DTB
New York Stock Exchange
2021 Series E 4.375% Junior Subordinated Debentures due 2081DTG
New York Stock Exchange
Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.
DTE Energy Company (DTE Energy)
Yes
No
DTE Electric Company (DTE Electric)
Yes
No
Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).
DTE Energy
Yes
No
DTE Electric
Yes
No



Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of "large accelerated filer," "accelerated filer," "smaller reporting company," and "emerging growth company" in Rule 12b-2 of the Exchange Act.
DTE EnergyLarge accelerated filerAccelerated filerNon-accelerated filerSmaller reporting companyEmerging growth company
DTE ElectricLarge accelerated filerAccelerated filerNon-accelerated filerSmaller reporting companyEmerging growth company
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.
Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).
DTE Energy
Yes
No
DTE Electric
Yes
No
Number of shares of Common Stock outstanding at September 30, 2022:
RegistrantDescriptionShares
DTE EnergyCommon Stock, without par value193,741,991 
DTE ElectricCommon Stock, $10 par value, indirectly-owned by DTE Energy138,632,324 
This combined Form 10-Q is filed separately by two registrants: DTE Energy and DTE Electric. Information contained herein relating to any individual registrant is filed by such registrant solely on its own behalf. DTE Electric makes no representation as to information relating exclusively to DTE Energy.
DTE Electric, an indirect wholly-owned subsidiary of DTE Energy, meets the conditions set forth in General Instructions H(1)(a) and (b) of Form 10-Q and is therefore filing this form with the reduced disclosure format specified in General Instructions H(2) of Form 10-Q.




TABLE OF CONTENTS
Page


ACEAffordable Clean Energy
ASUAccounting Standards Update issued by the FASB
CADCanadian Dollar (C$)
CARBCalifornia Air Resources Board that administers California's Low Carbon Fuel Standard
Carbon emissionsEmissions of carbon containing compounds, including carbon dioxide and methane, that are identified as greenhouse gases
CCRCoal Combustion Residuals
CFTCU.S. Commodity Futures Trading Commission
COVID-19Coronavirus disease of 2019
DTE ElectricDTE Electric Company (an indirect wholly-owned subsidiary of DTE Energy) and subsidiary companies
DTE EnergyDTE Energy Company, directly or indirectly the parent of DTE Electric, DTE Gas, and numerous non-utility subsidiaries
DTE GasDTE Gas Company (an indirect wholly-owned subsidiary of DTE Energy) and subsidiary companies
DTE SecuritizationDTE Electric Securitization Funding I, LLC, a special purpose entity wholly-owned by DTE Electric. The entity was created to issue securitization bonds for certain qualified costs authorized by the MPSC and to recover debt service costs from DTE Electric customers
DTE Sustainable GenerationDTE Sustainable Generation Holdings, LLC (an indirect wholly-owned subsidiary of DTE Energy) and subsidiary companies
DT MidstreamDT Midstream, Inc., formerly DTE Energy's natural gas pipeline, storage, and gathering non-utility business comprising the Gas Storage and Pipelines segment and certain DTE Energy holding company activity in the Corporate and Other segment, which separated from DTE Energy and became an independent public company on July 1, 2021
EGLEMichigan Department of Environment, Great Lakes, and Energy, formerly known as Michigan Department of Environmental Quality
EGUElectric Generating Unit
ELGEffluent Limitations Guidelines
EPAU.S. Environmental Protection Agency
Equity unitsDTE Energy's 2019 equity units issued in November 2019, which were used to finance the Gas Storage and Pipelines acquisition on December 4, 2019
EWREnergy Waste Reduction program, which includes a mechanism authorized by the MPSC allowing DTE Electric and DTE Gas to recover through rates certain costs relating to energy waste reduction
FASBFinancial Accounting Standards Board
FERCFederal Energy Regulatory Commission
FGDFlue Gas Desulfurization
FOVFinding of Violation
FTRsFinancial Transmission Rights are financial instruments that entitle the holder to receive payments related to costs incurred for congestion on the transmission grid
GCRA Gas Cost Recovery mechanism authorized by the MPSC that allows DTE Gas to recover through rates its natural gas costs
GHGsGreenhouse gases
Green BondsA financing option to fund projects that have a positive environmental impact based upon a specified set of criteria. The proceeds are required to be used for eligible green expenditures
1

MGPManufactured Gas Plant
MPSCMichigan Public Service Commission
MTMMark-to-market
NAVNet Asset Value
Net zeroCollective efforts to reduce the carbon emissions of DTE Energy's utility operations and gas suppliers to DTE Gas, as well as efforts to offset an amount equivalent to any remaining emissions. Progress towards net zero goals is estimated and methodologies and calculations may vary from those of other utility businesses with similar targets
Non-utilityAn entity that is not a public utility. Its conditions of service, prices of goods and services, and other operating related matters are not directly regulated by the MPSC
NOX
Nitrogen Oxides
NPDESNational Pollutant Discharge Elimination System
NRCU.S. Nuclear Regulatory Commission
Production tax creditsTax credits as authorized under Section 45 of the Internal Revenue Code that are designed to stimulate investment in and development of alternate fuel sources. The amount of a production tax credit can vary each year as determined by the Internal Revenue Service
PSCRA Power Supply Cost Recovery mechanism authorized by the MPSC that allows DTE Electric to recover through rates its fuel, fuel-related, and purchased power costs
RECRenewable Energy Credit
REFReduced Emissions Fuel
RegistrantsDTE Energy and DTE Electric
Retail accessMichigan legislation provided customers the option of access to alternative suppliers for electricity and natural gas
RPSRenewable Portfolio Standard program, which includes a mechanism authorized by the MPSC allowing DTE Electric to recover through rates its renewable energy costs
RSNRemarketable Senior Note
SIPState Implementation Plan
SO2
Sulfur Dioxide
SOFRSecured Overnight Financing Rate
TCJATax Cuts and Jobs Act of 2017, which reduced the corporate Federal income tax rate from 35% to 21%
Topic 606FASB issued ASU No. 2014-09, Revenue from Contracts with Customers, as amended
VIEVariable Interest Entity

Units of Measurement
BcfBillion cubic feet of natural gas
BTUBritish thermal unit, heat value (energy content) of fuel
MMBtuOne million BTU
 
MWhMegawatt-hour of electricity
2


FILING FORMAT

This combined Form 10-Q is separately filed by DTE Energy and DTE Electric. Information in this combined Form 10-Q relating to each individual Registrant is filed by such Registrant on its own behalf. DTE Electric makes no representation regarding information relating to any other companies affiliated with DTE Energy other than its own subsidiaries. Neither DTE Energy, nor any of DTE Energy’s other subsidiaries (other than DTE Electric), has any obligation in respect of DTE Electric's debt securities, and holders of such debt securities should not consider the financial resources or results of operations of DTE Energy nor any of DTE Energy’s other subsidiaries (other than DTE Electric and its own subsidiaries (in relevant circumstances)) in making a decision with respect to DTE Electric's debt securities. Similarly, none of DTE Electric nor any other subsidiary of DTE Energy has any obligation in respect to debt securities of DTE Energy. This combined Form 10-Q should be read in its entirety. No one section of this combined Form 10-Q deals with all aspects of the subject matter of this combined Form 10-Q. This combined Form 10-Q should be read in conjunction with the Consolidated Financial Statements and Combined Notes to Consolidated Financial Statements and with Management's Discussion and Analysis included in the combined DTE Energy and DTE Electric 2021 Annual Report on Form 10-K.

FORWARD-LOOKING STATEMENTS
Certain information presented herein includes "forward-looking statements" within the meaning of the Private Securities Litigation Reform Act of 1995 with respect to the financial condition, results of operations, and businesses of the Registrants. Words such as "anticipate," "believe," "expect," "may," "could," "projected," "aspiration," "plans," and "goals" signify forward-looking statements. Forward-looking statements are not guarantees of future results and conditions, but rather are subject to numerous assumptions, risks, and uncertainties that may cause actual future results to be materially different from those contemplated, projected, estimated, or budgeted. Many factors may impact forward-looking statements of the Registrants including, but not limited to, the following:
the duration and impact of the COVID-19 pandemic on the Registrants and customers;
impact of regulation by the EPA, EGLE, the FERC, the MPSC, the NRC, and for DTE Energy, the CFTC and CARB, as well as other applicable governmental proceedings and regulations, including any associated impact on rate structures;
the amount and timing of cost recovery allowed as a result of regulatory proceedings, related appeals, or new legislation, including legislative amendments and retail access programs;
economic conditions and population changes in the Registrants' geographic area resulting in changes in demand, customer conservation, and thefts of electricity and, for DTE Energy, natural gas;
the operational failure of electric or gas distribution systems or infrastructure;
impact of volatility in prices in international steel markets and in prices of environmental attributes generated from renewable natural gas investments on the operations of DTE Vantage;
the risk of a major safety incident;
environmental issues, laws, regulations, and the increasing costs of remediation and compliance, including actual and potential new federal and state requirements;
the cost of protecting assets and customer data against, or damage due to, cyber incidents and terrorism;
health, safety, financial, environmental, and regulatory risks associated with ownership and operation of nuclear facilities;
volatility in commodity markets, deviations in weather, and related risks impacting the results of DTE Energy's energy trading operations;
changes in the cost and availability of coal and other raw materials, purchased power, and natural gas;
advances in technology that produce power, store power, or reduce power consumption;
changes in the financial condition of significant customers and strategic partners;
3

the potential for losses on investments, including nuclear decommissioning trust and benefit plan assets and the related increases in future expense and contributions;
access to capital markets and the results of other financing efforts which can be affected by credit agency ratings;
instability in capital markets which could impact availability of short and long-term financing;
impacts of inflation and the timing and extent of changes in interest rates;
the level of borrowings;
the potential for increased costs or delays in completion of significant capital projects;
changes in, and application of, federal, state, and local tax laws and their interpretations, including the Internal Revenue Code, regulations, rulings, court proceedings, and audits;
the effects of weather and other natural phenomena, including climate change, on operations and sales to customers, and purchases from suppliers;
unplanned outages at our generation plants;
employee relations and the impact of collective bargaining agreements;
the availability, cost, coverage, and terms of insurance and stability of insurance providers;
cost reduction efforts and the maximization of plant and distribution system performance;
the effects of competition;
changes in and application of accounting standards and financial reporting regulations;
changes in federal or state laws and their interpretation with respect to regulation, energy policy, and other business issues;
successful execution of new business development and future growth plans;
contract disputes, binding arbitration, litigation, and related appeals;
the ability of the electric and gas utilities to achieve net zero emissions goals; and
the risks discussed in the Registrants' public filings with the Securities and Exchange Commission.
New factors emerge from time to time. The Registrants cannot predict what factors may arise or how such factors may cause results to differ materially from those contained in any forward-looking statement. Any forward-looking statements speak only as of the date on which such statements are made. The Registrants undertake no obligation to update any forward-looking statement to reflect events or circumstances after the date on which such statement is made or to reflect the occurrence of unanticipated events.

Part I — Financial Information
Item 1. Financial Statements
4

DTE Energy Company
Consolidated Statements of Operations (Unaudited)

Three Months Ended September 30,Nine Months Ended September 30,
2022202120222021
(In millions, except per share amounts)
Operating Revenues
Utility operations$2,053 $1,875 $6,196 $5,483 
Non-utility operations3,198 1,840 8,556 4,834 
5,251 3,715 14,752 10,317 
Operating Expenses
Fuel, purchased power, and gas — utility594 477 1,901 1,411 
Fuel, purchased power, gas, and other — non-utility3,023 1,766 8,324 4,708 
Operation and maintenance608 615 1,803 1,750 
Depreciation and amortization369 344 1,093 1,010 
Taxes other than income111 106 349 329 
Asset (gains) losses and impairments, net1 2 (4)29 
4,706 3,310 13,466 9,237 
Operating Income545 405 1,286 1,080 
Other (Income) and Deductions
Interest expense171 156 486 477 
Interest income(10)(6)(26)(16)
Non-operating retirement benefits, net(5)3 (13)10 
Loss on extinguishment of debt 376  384 
Other income(16)(90)(35)(187)
Other expenses12 30 56 50 
152 469 468 718 
Income (Loss) Before Income Taxes393 (64)818 362 
Income Tax Expense (Benefit) (Note 2)6 (119) (124)
Net Income from Continuing Operations387 55 818 486 
Income (Loss) from Discontinued Operations, Net of Taxes (Note 4) (33) 112 
Net Income387 22 818 598 
Less: Net Income (Loss) Attributable to Noncontrolling Interests
Continuing operations (3) (9)
Discontinued operations   6 
Net Income Attributable to DTE Energy Company$387 $25 $818 $601 
Basic Earnings per Common Share
Continuing operations2.00 0.30 4.22 2.55 
Discontinued operations (0.17) 0.55 
Total$2.00 $0.13 $4.22 $3.10 
Diluted Earnings per Common Share
Continuing operations1.99 0.30 4.21 2.55 
Discontinued operations (0.17) 0.55 
Total$1.99 $0.13 $4.21 $3.10 
Weighted Average Common Shares Outstanding
Basic193 193 193 193 
Diluted194 194 194 194 

See Combined Notes to Consolidated Financial Statements (Unaudited)
5

DTE Energy Company
Consolidated Statements of Comprehensive Income (Unaudited)

Three Months Ended September 30,Nine Months Ended September 30,
2022202120222021
(In millions)
Net Income$387 $22 $818 $598 
Other comprehensive income, net of tax:
Benefit obligations, net of taxes of $, $1, $2, and $2, respectively
2 2 7 5 
Net unrealized gains on derivatives, net of taxes of $1, $1, $2, and $2, respectively
4 4 7 6 
Other comprehensive income6 6 14 11 
Comprehensive income393 28 832 609 
Less: Comprehensive loss attributable to noncontrolling interests (3) (3)
Comprehensive Income Attributable to DTE Energy Company$393 $31 $832 $612 

See Combined Notes to Consolidated Financial Statements (Unaudited)
6

DTE Energy Company
Consolidated Statements of Financial Position (Unaudited)

September 30,December 31,
20222021
(In millions)
ASSETS
Current Assets
Cash and cash equivalents$26 $28 
Restricted cash25 7 
Accounts receivable (less allowance for doubtful accounts of $95 and $92, respectively)
Customer1,781 1,695 
Other199 135 
Inventories
Fuel and gas540 368 
Materials, supplies, and other508 490 
Derivative assets395 181 
Regulatory assets511 195 
Other325 218 
4,310 3,317 
Investments
Nuclear decommissioning trust funds1,764 2,071 
Investments in equity method investees169 187 
Other157 194 
2,090 2,452 
Property
Property, plant, and equipment38,550 37,083 
Accumulated depreciation and amortization(10,451)(10,139)
28,099 26,944 
Other Assets
Goodwill1,993 1,993 
Regulatory assets3,583 3,482 
Securitized regulatory assets214  
Intangible assets170 177 
Notes receivable316 310 
Derivative assets123 90 
Prepaid postretirement costs738 678 
Operating lease right-of-use assets91 97 
Other227 179 
7,455 7,006 
Total Assets$41,954 $39,719 

See Combined Notes to Consolidated Financial Statements (Unaudited)
7

DTE Energy Company
Consolidated Statements of Financial Position (Unaudited) — (Continued)

September 30,December 31,
20222021
(In millions, except shares)
LIABILITIES AND EQUITY
Current Liabilities
Accounts payable$1,619 $1,414 
Accrued interest157 140 
Dividends payable171 171 
Short-term borrowings994 758 
Current portion long-term debt, including securitization bonds and finance leases1,425 2,874 
Derivative liabilities498 238 
Regulatory liabilities54 156 
Operating lease liabilities13 14 
Other535 581 
5,466 6,346 
Long-Term Debt (net of current portion)
Mortgage bonds, notes, and other16,354 13,629 
Securitization bonds192  
Junior subordinated debentures883 883 
Finance lease liabilities13 19 
17,442 14,531 
Other Liabilities  
Deferred income taxes2,313 2,163 
Regulatory liabilities2,731 3,106 
Asset retirement obligations3,425 3,162 
Unamortized investment tax credit183 158 
Derivative liabilities256 192 
Accrued pension liability268 339 
Accrued postretirement liability350 358 
Nuclear decommissioning272 321 
Operating lease liabilities69 74 
Other193 256 
10,060 10,129 
Commitments and Contingencies (Notes 6 and 13)
Equity
Common stock (No par value, 400,000,000 shares authorized, and 193,741,991 and 193,747,509 shares issued and outstanding at September 30, 2022 and December 31, 2021, respectively)
5,337 5,379 
Retained earnings3,741 3,438 
Accumulated other comprehensive loss(98)(112)
Total DTE Energy Company Equity8,980 8,705 
Noncontrolling interests6 8 
Total Equity8,986 8,713 
Total Liabilities and Equity$41,954 $39,719 

See Combined Notes to Consolidated Financial Statements (Unaudited)
8

DTE Energy Company
Consolidated Statements of Cash Flows (Unaudited)
Nine Months Ended September 30,
20222021
(In millions)
Operating Activities
Net Income$818 $598 
Adjustments to reconcile Net Income to Net cash from operating activities:
Depreciation and amortization1,093 1,092