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Disclosure - Rate Matters (Tables) Sheet http://www.aep.com/role/RateMattersTables Rate Matters (Tables) Tables http://www.aep.com/role/RateMatters 30 false false R31.htm 9954711 - Disclosure - Commitments, Guarantees and Contingencies (Tables) Sheet http://www.aep.com/role/CommitmentsGuaranteesandContingenciesTables Commitments, Guarantees and Contingencies (Tables) Tables http://www.aep.com/role/CommitmentsGuaranteesandContingencies 31 false false R32.htm 9954712 - Disclosure - Discontinued Operations and Disposal Groups (Tables) Sheet http://www.aep.com/role/DiscontinuedOperationsandDisposalGroupsTables Discontinued Operations and Disposal Groups (Tables) Tables 32 false false R33.htm 9954713 - Disclosure - Benefit Plans (Tables) Sheet http://www.aep.com/role/BenefitPlansTables Benefit Plans (Tables) Tables http://www.aep.com/role/BenefitPlans 33 false false R34.htm 9954714 - Disclosure - Business Segments (Tables) Sheet http://www.aep.com/role/BusinessSegmentsTables Business Segments (Tables) Tables http://www.aep.com/role/BusinessSegments 34 false false R35.htm 9954715 - Disclosure - Derivatives and Hedging (Tables) Sheet http://www.aep.com/role/DerivativesandHedgingTables Derivatives and Hedging (Tables) Tables http://www.aep.com/role/DerivativesandHedging 35 false false R36.htm 9954716 - Disclosure - Fair Value Measurements (Tables) Sheet http://www.aep.com/role/FairValueMeasurementsTables Fair Value Measurements (Tables) Tables http://www.aep.com/role/FairValueMeasurements 36 false false R37.htm 9954717 - Disclosure - Income Taxes (Tables) Sheet http://www.aep.com/role/IncomeTaxesTables Income Taxes (Tables) Tables http://www.aep.com/role/IncomeTaxes 37 false false R38.htm 9954718 - Disclosure - Financing Activities (Tables) Sheet http://www.aep.com/role/FinancingActivitiesTables Financing Activities (Tables) Tables http://www.aep.com/role/FinancingActivities 38 false false R39.htm 9954719 - Disclosure - Variable Interest Entities (Tables) Sheet http://www.aep.com/role/VariableInterestEntitiesTables Variable Interest Entities (Tables) Tables http://www.aep.com/role/VariableInterestEntities 39 false false R40.htm 9954721 - Disclosure - Revenue from Contracts with Customers (Tables) Sheet http://www.aep.com/role/RevenuefromContractswithCustomersTables Revenue from Contracts with Customers (Tables) Tables http://www.aep.com/role/RevenuefromContractswithCustomers 40 false false R41.htm 9954722 - Disclosure - Significant Accounting Matters (Details) Sheet http://www.aep.com/role/SignificantAccountingMattersDetails Significant Accounting Matters (Details) Details http://www.aep.com/role/SignificantAccountingMattersTables 41 false false R42.htm 9954723 - Disclosure - Comprehensive Income (Details) Sheet http://www.aep.com/role/ComprehensiveIncomeDetails Comprehensive Income (Details) Details http://www.aep.com/role/ComprehensiveIncomeTables 42 false false R43.htm 9954724 - Disclosure - Rate Matters Regulated Operations (Details) Sheet http://www.aep.com/role/RateMattersRegulatedOperationsDetails Rate Matters Regulated Operations (Details) Details 43 false false R44.htm 9954725 - Disclosure - Rate Matters East Companies (Details) Sheet http://www.aep.com/role/RateMattersEastCompaniesDetails Rate Matters East Companies (Details) Details 44 false false R45.htm 9954726 - Disclosure - Rate Matters West Companies (Details) Sheet http://www.aep.com/role/RateMattersWestCompaniesDetails Rate Matters West Companies (Details) Details 45 false false R46.htm 9954727 - Disclosure - Rate Matters FERC (Details) Sheet http://www.aep.com/role/RateMattersFERCDetails Rate Matters FERC (Details) Details 46 false false R47.htm 9954728 - Disclosure - Commitments, Guarantees and Contingencies (Details) Sheet http://www.aep.com/role/CommitmentsGuaranteesandContingenciesDetails Commitments, Guarantees and Contingencies (Details) Details http://www.aep.com/role/CommitmentsGuaranteesandContingenciesTables 47 false false R48.htm 9954729 - Disclosure - Acquisitions and Dispositions (Details) Sheet http://www.aep.com/role/AcquisitionsandDispositionsDetails Acquisitions and Dispositions (Details) Details http://www.aep.com/role/AcquisitionsandDispositions 48 false false R49.htm 9954730 - Disclosure - Benefit Plans (Details) Sheet http://www.aep.com/role/BenefitPlansDetails Benefit Plans (Details) Details http://www.aep.com/role/BenefitPlansTables 49 false false R50.htm 9954731 - Disclosure - Business Segments (Details) Sheet http://www.aep.com/role/BusinessSegmentsDetails Business Segments (Details) Details http://www.aep.com/role/BusinessSegmentsTables 50 false false R51.htm 9954732 - Disclosure - Derivatives and Hedging (Details) Sheet http://www.aep.com/role/DerivativesandHedgingDetails Derivatives and Hedging (Details) Details http://www.aep.com/role/DerivativesandHedgingTables 51 false false R52.htm 9954733 - Disclosure - Fair Value Long-term Debt, Other Temporary Investments, Nuclear Trusts (Details) Sheet http://www.aep.com/role/FairValueLongtermDebtOtherTemporaryInvestmentsNuclearTrustsDetails Fair Value Long-term Debt, Other Temporary Investments, Nuclear Trusts (Details) Details 52 false false R53.htm 9954734 - Disclosure - Fair Value Assets and Liabilities (Details) Sheet http://www.aep.com/role/FairValueAssetsandLiabilitiesDetails Fair Value Assets and Liabilities (Details) Details 53 false false R54.htm 9954735 - Disclosure - Income Taxes (Details) Sheet http://www.aep.com/role/IncomeTaxesDetails Income Taxes (Details) Details http://www.aep.com/role/IncomeTaxesTables 54 false false R55.htm 9954736 - Disclosure - Financing Activities (Details) Sheet http://www.aep.com/role/FinancingActivitiesDetails Financing Activities (Details) Details http://www.aep.com/role/FinancingActivitiesTables 55 false false R56.htm 9954737 - Disclosure - Variable Interest Entities (Details) Sheet http://www.aep.com/role/VariableInterestEntitiesDetails Variable Interest Entities (Details) Details http://www.aep.com/role/VariableInterestEntitiesTables 56 false false R57.htm 9954739 - Disclosure - Revenue from Contracts with Customers (Details) Sheet http://www.aep.com/role/RevenuefromContractswithCustomersDetails Revenue from Contracts with Customers (Details) Details http://www.aep.com/role/RevenuefromContractswithCustomersTables 57 false false All Reports Book All Reports [ix-0514-Hidden-Fact-Eligible-For-Transform] WARN: 6 fact(s) appearing in ix:hidden were eligible for transformation: aep:CorporateUnitOwnershipShareOfAnEquityUnit, us-gaap:DeferredTaxAssetsGross, us-gaap:NetIncomeLoss - aep-20230630.htm 4 [dqc-0001-Axis-With-Inappropriate-Members] The fact us-gaap:AssetImpairmentCharges with a value of 112000000.0 is dimensionally qualified with the srt:ConsolidationItemsAxis and the unallowable member aep:CompetitiveContractedRenewablePortfolioMember. This extension member should not be used with this axis. The properties of this us-gaap:AssetImpairmentCharges fact are Context: c-43, Unit: usd, Rule Element Id: 70. aep-20230630.htm 4 [dqc-0001-Axis-With-Inappropriate-Members] The fact us-gaap:AssetImpairmentCharges with a value of 0 is dimensionally qualified with the srt:ConsolidationItemsAxis and the unallowable member aep:CompetitiveContractedRenewablePortfolioMember. This extension member should not be used with this axis. The properties of this us-gaap:AssetImpairmentCharges fact are Context: c-44, Unit: usd, Rule Element Id: 70. aep-20230630.htm 4 [dqc-0001-Axis-With-Inappropriate-Members] The fact us-gaap:AssetImpairmentCharges with a value of 0 is dimensionally qualified with the srt:ConsolidationItemsAxis and the unallowable member aep:KentuckyPowerCoMember. This extension member should not be used with this axis. The properties of this us-gaap:AssetImpairmentCharges fact are Context: c-105, Unit: usd, Rule Element Id: 70. aep-20230630.htm 4 [dqc-0001-Axis-With-Inappropriate-Members] The fact us-gaap:AssetImpairmentCharges with a value of 68800000 is dimensionally qualified with the srt:ConsolidationItemsAxis and the unallowable member aep:KentuckyPowerCoMember. This extension member should not be used with this axis. The properties of this us-gaap:AssetImpairmentCharges fact are Context: c-106, Unit: usd, Rule Element Id: 70. aep-20230630.htm 4 [dqc-0001-Axis-With-Inappropriate-Members] The fact us-gaap:EquityMethodInvestmentOtherThanTemporaryImpairment with a value of 0 is dimensionally qualified with the srt:ConsolidationItemsAxis and the unallowable member aep:FlatRidgeIIMember. This extension member should not be used with this axis. The properties of this us-gaap:EquityMethodInvestmentOtherThanTemporaryImpairment fact are Context: c-107, Unit: usd, Rule Element Id: 70. aep-20230630.htm 4 [dqc-0001-Axis-With-Inappropriate-Members] The fact us-gaap:EquityMethodInvestmentOtherThanTemporaryImpairment with a value of 185500000 is dimensionally qualified with the srt:ConsolidationItemsAxis and the unallowable member aep:FlatRidgeIIMember. This extension member should not be used with this axis. The properties of this us-gaap:EquityMethodInvestmentOtherThanTemporaryImpairment fact are Context: c-108, Unit: usd, Rule Element Id: 70. aep-20230630.htm 4 [dqc-0001-Axis-With-Inappropriate-Members] The fact us-gaap:GainLossOnDispositionOfAssets1 with a value of 0 is dimensionally qualified with the srt:ConsolidationItemsAxis and the unallowable member aep:MineralRightsMember. This extension member should not be used with this axis. The properties of this us-gaap:GainLossOnDispositionOfAssets1 fact are Context: c-109, Unit: usd, Rule Element Id: 70. aep-20230630.htm 4 [dqc-0001-Axis-With-Inappropriate-Members] The fact us-gaap:GainLossOnDispositionOfAssets1 with a value of -116300000 is dimensionally qualified with the srt:ConsolidationItemsAxis and the unallowable member aep:MineralRightsMember. This extension member should not be used with this axis. The properties of this us-gaap:GainLossOnDispositionOfAssets1 fact are Context: c-110, Unit: usd, Rule Element Id: 70. aep-20230630.htm 4 [dqc-0001-Axis-With-Inappropriate-Members] The fact us-gaap:PaymentsToAcquirePropertyPlantAndEquipment with a value of 1200000000 is dimensionally qualified with the srt:ConsolidationItemsAxis and the unallowable member aep:NorthCentralWindEnergyFacilitiesMember. This extension member should not be used with this axis. The properties of this us-gaap:PaymentsToAcquirePropertyPlantAndEquipment fact are Context: c-765, Unit: usd, Rule Element Id: 70. aep-20230630.htm 4 [dqc-0001-Axis-With-Inappropriate-Members] The fact us-gaap:PaymentsToAcquirePropertyPlantAndEquipment with a value of 145700000 is dimensionally qualified with the srt:ConsolidationItemsAxis and the unallowable member aep:RenewableEnergyFacilitiesMember. This extension member should not be used with this axis. The properties of this us-gaap:PaymentsToAcquirePropertyPlantAndEquipment fact are Context: c-111, Unit: usd, Rule Element Id: 70. aep-20230630.htm 4 [dqc-0001-Axis-With-Inappropriate-Members] The fact us-gaap:PaymentsToAcquirePropertyPlantAndEquipment with a value of 1207300000 is dimensionally qualified with the srt:ConsolidationItemsAxis and the unallowable member aep:RenewableEnergyFacilitiesMember. This extension member should not be used with this axis. The properties of this us-gaap:PaymentsToAcquirePropertyPlantAndEquipment fact are Context: c-112, Unit: usd, Rule Element Id: 70. aep-20230630.htm 4 [dqc-0001-Axis-With-Inappropriate-Members] The fact us-gaap:PaymentsToAcquirePropertyPlantAndEquipment with a value of 145700000 is dimensionally qualified with the srt:ConsolidationItemsAxis and the unallowable member aep:RenewableEnergyFacilitiesMember. This extension member should not be used with this axis. The properties of this us-gaap:PaymentsToAcquirePropertyPlantAndEquipment fact are Context: c-455, Unit: usd, Rule Element Id: 70. aep-20230630.htm 4 [dqc-0001-Axis-With-Inappropriate-Members] The fact us-gaap:PaymentsToAcquirePropertyPlantAndEquipment with a value of 549300000 is dimensionally qualified with the srt:ConsolidationItemsAxis and the unallowable member aep:RenewableEnergyFacilitiesMember. This extension member should not be used with this axis. The properties of this us-gaap:PaymentsToAcquirePropertyPlantAndEquipment fact are Context: c-456, Unit: usd, Rule Element Id: 70. aep-20230630.htm 4 [dqc-0001-Axis-With-Inappropriate-Members] The fact us-gaap:AssetImpairmentCharges with a value of 0 is dimensionally qualified with the srt:ConsolidationItemsAxis and the unallowable member aep:CompetitiveContractedRenewablePortfolioMember. This extension member should not be used with this axis. The properties of this us-gaap:AssetImpairmentCharges fact are Context: c-41, Unit: usd, Rule Element Id: 70. aep-20230630.htm 4 [dqc-0001-Axis-With-Inappropriate-Members] The fact us-gaap:AssetImpairmentCharges with a value of 0 is dimensionally qualified with the srt:ConsolidationItemsAxis and the unallowable member aep:CompetitiveContractedRenewablePortfolioMember. This extension member should not be used with this axis. The properties of this us-gaap:AssetImpairmentCharges fact are Context: c-42, Unit: usd, Rule Element Id: 70. aep-20230630.htm 4 [dqc-0001-Axis-With-Inappropriate-Members] Member defined for the axis srt:ConsolidationItemsAxis was not reported with any fact: aep:CedarCreekProjectMember. Id: 70. aep-20230630.htm [dqc-0001-Axis-With-Inappropriate-Members] Member defined for the axis srt:ConsolidationItemsAxis was not reported with any fact: aep:RockFallsWindFacilityMember. Id: 70. aep-20230630.htm [dqc-0001-Axis-With-Inappropriate-Members] Member defined for the axis srt:ConsolidationItemsAxis was not reported with any fact: aep:DryLakeSolarProjectMember. Id: 70. aep-20230630.htm [dqc-0004-Element-Values-Are-Equal] Assets with a value of 10003100000 is not equal to the total of AssetsCurrent, AssetsNoncurrent with a value of 414400000 + 979400000. These values should be equal. The properties of this Assets fact are Context: c-379, Unit: usd, Rule Element Id: 9280. aep-20230630.htm 4 [dqc-0004-Element-Values-Are-Equal] Assets with a value of 146900000 is not equal to the total of AssetsCurrent, AssetsNoncurrent with a value of 4000000 + 300000. These values should be equal. The properties of this Assets fact are Context: c-1897, Unit: usd, Rule Element Id: 9280. aep-20230630.htm 4 [dqc-0004-Element-Values-Are-Equal] Assets with a value of 531200000 is not equal to the total of AssetsCurrent, AssetsNoncurrent with a value of 29300000 + 5300000. These values should be equal. The properties of this Assets fact are Context: c-1882, Unit: usd, Rule Element Id: 9280. aep-20230630.htm 4 [dqc-0004-Element-Values-Are-Equal] Assets with a value of 15458000000 is not equal to the total of AssetsCurrent, AssetsNoncurrent with a value of 1392600000 + 1391400000. These values should be equal. The properties of this Assets fact are Context: c-269, Unit: usd, Rule Element Id: 9280. aep-20230630.htm 4 [dqc-0004-Element-Values-Are-Equal] Assets with a value of 12892200000 is not equal to the total of AssetsCurrent, AssetsNoncurrent with a value of 446900000 + 763700000. These values should be equal. The properties of this Assets fact are Context: c-149, Unit: usd, Rule Element Id: 9280. aep-20230630.htm 4 [dqc-0004-Element-Values-Are-Equal] Assets with a value of 13814200000 is not equal to the total of AssetsCurrent, AssetsNoncurrent with a value of 188700000 + 285600000. These values should be equal. The properties of this Assets fact are Context: c-195, Unit: usd, Rule Element Id: 9280. aep-20230630.htm 4 [dqc-0004-Element-Values-Are-Equal] Assets with a value of 10546100000 is not equal to the total of AssetsCurrent, AssetsNoncurrent with a value of 612100000 + 1461100000. These values should be equal. The properties of this Assets fact are Context: c-528, Unit: usd, Rule Element Id: 9280. aep-20230630.htm 4 [dqc-0004-Element-Values-Are-Equal] Assets with a value of 12440200000 is not equal to the total of AssetsCurrent, AssetsNoncurrent with a value of 584100000 + 4373400000. These values should be equal. The properties of this Assets fact are Context: c-336, Unit: usd, Rule Element Id: 9280. aep-20230630.htm 4 [dqc-0004-Element-Values-Are-Equal] Assets with a value of 15222200000 is not equal to the total of AssetsCurrent, AssetsNoncurrent with a value of 1259600000 + 1583400000. These values should be equal. The properties of this Assets fact are Context: c-253, Unit: usd, Rule Element Id: 9280. aep-20230630.htm 4 [dqc-0004-Element-Values-Are-Equal] Assets with a value of 7314000000 is not equal to the total of AssetsCurrent, AssetsNoncurrent with a value of 564400000 + 805300000. These values should be equal. The properties of this Assets fact are Context: c-452, Unit: usd, Rule Element Id: 9280. aep-20230630.htm 4 [dqc-0004-Element-Values-Are-Equal] Assets with a value of 96002100000 is not equal to the total of AssetsCurrent, AssetsNoncurrent with a value of 8041300000 + 13279400000. These values should be equal. The properties of this Assets fact are Context: c-102, Unit: usd, Rule Element Id: 9280. aep-20230630.htm 4 [dqc-0004-Element-Values-Are-Equal] Assets with a value of 508500000 is not equal to the total of AssetsCurrent, AssetsNoncurrent with a value of 23500000 + 2700000. These values should be equal. The properties of this Assets fact are Context: c-1894, Unit: usd, Rule Element Id: 9280. aep-20230630.htm 4 [dqc-0004-Element-Values-Are-Equal] Assets with a value of 10378800000 is not equal to the total of AssetsCurrent, AssetsNoncurrent with a value of 812200000 + 1304400000. These values should be equal. The properties of this Assets fact are Context: c-508, Unit: usd, Rule Element Id: 9280. aep-20230630.htm 4 [dqc-0004-Element-Values-Are-Equal] Assets with a value of 12118900000 is not equal to the total of AssetsCurrent, AssetsNoncurrent with a value of 571800000 + 4135600000. These values should be equal. The properties of this Assets fact are Context: c-320, Unit: usd, Rule Element Id: 9280. aep-20230630.htm 4 [dqc-0004-Element-Values-Are-Equal] Assets with a value of 6965900000 is not equal to the total of AssetsCurrent, AssetsNoncurrent with a value of 491500000 + 847900000. These values should be equal. The properties of this Assets fact are Context: c-437, Unit: usd, Rule Element Id: 9280. aep-20230630.htm 4 [dqc-0004-Element-Values-Are-Equal] Assets with a value of 93403300000 is not equal to the total of AssetsCurrent, AssetsNoncurrent with a value of 6775500000 + 13288700000. These values should be equal. The properties of this Assets fact are Context: c-79, Unit: usd, Rule Element Id: 9280. aep-20230630.htm 4 [dqc-0004-Element-Values-Are-Equal] Assets with a value of 238400000 is not equal to the total of AssetsCurrent, AssetsNoncurrent with a value of 8300000 + 13600000. These values should be equal. The properties of this Assets fact are Context: c-1895, Unit: usd, Rule Element Id: 9280. aep-20230630.htm 4 [dqc-0004-Element-Values-Are-Equal] Assets with a value of 245500000 is not equal to the total of AssetsCurrent, AssetsNoncurrent with a value of 108300000 + 130000000. These values should be equal. The properties of this Assets fact are Context: c-1884, Unit: usd, Rule Element Id: 9280. aep-20230630.htm 4 [dqc-0004-Element-Values-Are-Equal] Assets with a value of 14576500000 is not equal to the total of AssetsCurrent, AssetsNoncurrent with a value of 367200000 + 171600000. These values should be equal. The properties of this Assets fact are Context: c-206, Unit: usd, Rule Element Id: 9280. aep-20230630.htm 4 [dqc-0004-Element-Values-Are-Equal] Assets with a value of 443000000 is not equal to the total of AssetsCurrent, AssetsNoncurrent with a value of 21300000 + 100000. These values should be equal. The properties of this Assets fact are Context: c-1896, Unit: usd, Rule Element Id: 9280. aep-20230630.htm 4 [dqc-0004-Element-Values-Are-Equal] Assets with a value of 363300000 is not equal to the total of AssetsCurrent, AssetsNoncurrent with a value of 90200000 + 94000000. These values should be equal. The properties of this Assets fact are Context: c-1885, Unit: usd, Rule Element Id: 9280. aep-20230630.htm 4 [dqc-0004-Element-Values-Are-Equal] Assets with a value of 10270700000 is not equal to the total of AssetsCurrent, AssetsNoncurrent with a value of 426600000 + 841200000. These values should be equal. The properties of this Assets fact are Context: c-392, Unit: usd, Rule Element Id: 9280. aep-20230630.htm 4 [dqc-0004-Element-Values-Are-Equal] Assets with a value of 13614400000 is not equal to the total of AssetsCurrent, AssetsNoncurrent with a value of 487200000 + 812500000. These values should be equal. The properties of this Assets fact are Context: c-164, Unit: usd, Rule Element Id: 9280. aep-20230630.htm 4 [dqc-0004-Element-Values-Are-Equal] Assets with a value of 265400000 is not equal to the total of AssetsCurrent, AssetsNoncurrent with a value of 72500000 + 63600000. These values should be equal. The properties of this Assets fact are Context: c-1873, Unit: usd, Rule Element Id: 9280. aep-20230630.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:AmortizationOfDeferredPropertyTaxes has a value of -60000000.0 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:AmortizationOfDeferredPropertyTaxes fact are: Context: c-2, Unit: usd, Rule Element Id: 3489. aep-20230630.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:AmortizationOfDeferredPropertyTaxes has a value of -54800000 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:AmortizationOfDeferredPropertyTaxes fact are: Context: c-127, Unit: usd, Rule Element Id: 3489. aep-20230630.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:AmortizationOfDeferredPropertyTaxes has a value of -27900000 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:AmortizationOfDeferredPropertyTaxes fact are: Context: c-7, Unit: usd, Rule Element Id: 3489. aep-20230630.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:AmortizationOfDeferredPropertyTaxes has a value of -24400000 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:AmortizationOfDeferredPropertyTaxes fact are: Context: c-409, Unit: usd, Rule Element Id: 3489. aep-20230630.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:AmortizationOfDeferredPropertyTaxes has a value of -49300000 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:AmortizationOfDeferredPropertyTaxes fact are: Context: c-8, Unit: usd, Rule Element Id: 3489. aep-20230630.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:AmortizationOfDeferredPropertyTaxes has a value of -44000000.0 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:AmortizationOfDeferredPropertyTaxes fact are: Context: c-471, Unit: usd, Rule Element Id: 3489. aep-20230630.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:PaymentsToAcquirePropertyPlantAndEquipment has a value of -658000000.0 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:PaymentsToAcquirePropertyPlantAndEquipment fact are: Context: c-471, Unit: usd, Rule Element Id: 1964. aep-20230630.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax has a value of -13800000 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax fact are: Context: c-1326, Unit: usd, Rule Element Id: 302. aep-20230630.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax has a value of -13800000 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax fact are: Context: c-1325, Unit: usd, Rule Element Id: 302. aep-20230630.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax has a value of -14900000 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax fact are: Context: c-1332, Unit: usd, Rule Element Id: 302. aep-20230630.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax has a value of -14900000 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax fact are: Context: c-1331, Unit: usd, Rule Element Id: 302. aep-20230630.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax has a value of -6600000 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax fact are: Context: c-1338, Unit: usd, Rule Element Id: 302. aep-20230630.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax has a value of -6600000 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax fact are: Context: c-1337, Unit: usd, Rule Element Id: 302. aep-20230630.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax has a value of -7700000 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax fact are: Context: c-1344, Unit: usd, Rule Element Id: 302. aep-20230630.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax has a value of -7700000 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax fact are: Context: c-1343, Unit: usd, Rule Element Id: 302. aep-20230630.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax has a value of -20400000 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax fact are: Context: c-1362, Unit: usd, Rule Element Id: 302. aep-20230630.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax has a value of -20400000 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax fact are: Context: c-1361, Unit: usd, Rule Element Id: 302. aep-20230630.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax has a value of -22600000 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax fact are: Context: c-1368, Unit: usd, Rule Element Id: 302. aep-20230630.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax has a value of -22600000 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax fact are: Context: c-1367, Unit: usd, Rule Element Id: 302. aep-20230630.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax has a value of -4600000 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax fact are: Context: c-1374, Unit: usd, Rule Element Id: 302. aep-20230630.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax has a value of -4600000 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax fact are: Context: c-1373, Unit: usd, Rule Element Id: 302. aep-20230630.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax has a value of -6400000 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax fact are: Context: c-1379, Unit: usd, Rule Element Id: 302. aep-20230630.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax has a value of -6400000 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax fact are: Context: c-1380, Unit: usd, Rule Element Id: 302. aep-20230630.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax has a value of -25000000.0 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax fact are: Context: c-1384, Unit: usd, Rule Element Id: 302. aep-20230630.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax has a value of -25000000.0 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax fact are: Context: c-1383, Unit: usd, Rule Element Id: 302. aep-20230630.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax has a value of -29000000.0 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax fact are: Context: c-1387, Unit: usd, Rule Element Id: 302. aep-20230630.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax has a value of -29000000.0 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax fact are: Context: c-1388, Unit: usd, Rule Element Id: 302. aep-20230630.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:AssetsFairValueDisclosure has a value of -747300000 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:AssetsFairValueDisclosure fact are: Context: c-1416, Unit: usd, Rule Element Id: 282. aep-20230630.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:AssetsFairValueDisclosure has a value of -1245400000 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:AssetsFairValueDisclosure fact are: Context: c-1475, Unit: usd, Rule Element Id: 282. aep-20230630.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:AssetsFairValueDisclosure has a value of -3300000 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:AssetsFairValueDisclosure fact are: Context: c-1536, Unit: usd, Rule Element Id: 282. aep-20230630.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:AssetsFairValueDisclosure has a value of -1000000.0 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:AssetsFairValueDisclosure fact are: Context: c-1545, Unit: usd, Rule Element Id: 282. aep-20230630.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:AssetsFairValueDisclosure has a value of -300000 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:AssetsFairValueDisclosure fact are: Context: c-1645, Unit: usd, Rule Element Id: 282. aep-20230630.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:OtherShortTermBorrowings has a value of -135900000 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:OtherShortTermBorrowings fact are: Context: c-1808, Unit: usd, Rule Element Id: 5761. aep-20230630.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:OtherShortTermBorrowings has a value of -247200000 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:OtherShortTermBorrowings fact are: Context: c-1812, Unit: usd, Rule Element Id: 5761. aep-20230630.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:OtherShortTermBorrowings has a value of -72300000 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:OtherShortTermBorrowings fact are: Context: c-1816, Unit: usd, Rule Element Id: 5761. aep-20230630.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:OtherShortTermBorrowings has a value of -68100000 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:OtherShortTermBorrowings fact are: Context: c-1818, Unit: usd, Rule Element Id: 5761. aep-20230630.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:OtherShortTermBorrowings has a value of -32600000 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:OtherShortTermBorrowings fact are: Context: c-1820, Unit: usd, Rule Element Id: 5761. aep-20230630.htm 4 [dqc-0048-Required-Calculation-Parent-Element-In-The-Cash-Flow-Statement] The filing should include in the cash flow statement calculation linkbase(s) http://xbrl.sec.gov/ecd/role/InsiderTradingPoliciesProc - 995447 - Disclosure - Insider Trading Policies and Procedures one of the following elements as the root(first element) of the calculation tree to represent the aggregate change in cash for the period: CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect, CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect, NetCashProvidedByUsedInContinuingOperations (As long as the element NetCashProvidedByUsedInDiscontinuedOperations is also included the reconciliation between opening and closing cash). The calculation linkbase in the filing has the following root elements defined: CashAndCashEquivalentsPeriodIncreaseDecrease. Rule Element Id: 7482. aep-20230630.htm [dqc-0079-Extension-Members] aep:VirginiaMember is an extension member on the axis us-gaap:StatutoryAccountingPracticesByJurisdictionAxis that was reported in the extension taxonomy, but duplicates a concept, stpr:VA, that exists in the SEC Non-GAAP taxonomies. Rule Element Id: 7657. aep-20230630.xsd 427, aep-20230630_def.xml 2020 [dqc-0079-Extension-Members] aep:WestVirginiaMember is an extension member on the axis us-gaap:StatutoryAccountingPracticesByJurisdictionAxis that was reported in the extension taxonomy, but duplicates a concept, stpr:WV, that exists in the SEC Non-GAAP taxonomies. Rule Element Id: 7657. aep-20230630.xsd 752, aep-20230630_def.xml 2022 [dqc-0079-Extension-Members] aep:ArkansasMember is an extension member on the axis us-gaap:StatutoryAccountingPracticesByJurisdictionAxis that was reported in the extension taxonomy, but duplicates a concept, stpr:AR, that exists in the SEC Non-GAAP taxonomies. Rule Element Id: 7657. aep-20230630.xsd 852, aep-20230630_def.xml 2024 [dqc-0079-Extension-Members] aep:TexasMember is an extension member on the axis us-gaap:StatutoryAccountingPracticesByJurisdictionAxis that was reported in the extension taxonomy, but duplicates a concept, stpr:TX, that exists in the SEC Non-GAAP taxonomies. Rule Element Id: 7657. aep-20230630.xsd 782, aep-20230630_def.xml 2028 [dqc-0079-Extension-Members] aep:VirginiaMember is an extension member on the axis us-gaap:StatutoryAccountingPracticesByJurisdictionAxis that was reported in the extension taxonomy, but duplicates a concept, stpr:VA, that exists in the SEC Non-GAAP taxonomies. Rule Element Id: 7657. aep-20230630.xsd 427, aep-20230630_def.xml 2336 [dqc-0079-Extension-Members] aep:WestVirginiaMember is an extension member on the axis us-gaap:StatutoryAccountingPracticesByJurisdictionAxis that was reported in the extension taxonomy, but duplicates a concept, stpr:WV, that exists in the SEC Non-GAAP taxonomies. Rule Element Id: 7657. aep-20230630.xsd 752, aep-20230630_def.xml 2338 [dqc-0079-Extension-Members] aep:OhioMember is an extension member on the axis us-gaap:StatutoryAccountingPracticesByJurisdictionAxis that was reported in the extension taxonomy, but duplicates a concept, stpr:OH, that exists in the SEC Non-GAAP taxonomies. Rule Element Id: 7657. aep-20230630.xsd 487, aep-20230630_def.xml 2340 [dqc-0079-Extension-Members] aep:ArkansasMember is an extension member on the axis us-gaap:StatutoryAccountingPracticesByJurisdictionAxis that was reported in the extension taxonomy, but duplicates a concept, stpr:AR, that exists in the SEC Non-GAAP taxonomies. Rule Element Id: 7657. aep-20230630.xsd 852, aep-20230630_def.xml 2558 [dqc-0079-Extension-Members] aep:TexasMember is an extension member on the axis us-gaap:StatutoryAccountingPracticesByJurisdictionAxis that was reported in the extension taxonomy, but duplicates a concept, stpr:TX, that exists in the SEC Non-GAAP taxonomies. Rule Element Id: 7657. aep-20230630.xsd 782, aep-20230630_def.xml 2562 [dqc-0079-Extension-Members] aep:OklahomaMember is an extension member on the axis us-gaap:StatutoryAccountingPracticesByJurisdictionAxis that was reported in the extension taxonomy, but duplicates a concept, stpr:OK, that exists in the SEC Non-GAAP taxonomies. Rule Element Id: 7657. aep-20230630.xsd 817, aep-20230630_def.xml 2564 aep-20230630.htm aep-20230630.xsd aep-20230630_cal.xml aep-20230630_def.xml aep-20230630_lab.xml aep-20230630_pre.xml ex10aep20232q.htm ex31aaep20232q.htm ex31aaeptco20232q.htm ex31aaeptexas20232q.htm ex31aapco20232q.htm ex31aim20232q.htm ex31aopco20232q.htm ex31apso20232q.htm ex31aswepco20232q.htm ex31baep20232q.htm ex31baeptco20232q.htm ex31baeptexas20232q.htm ex31bapco20232q.htm ex31bim20232q.htm ex31bopco20232q.htm ex31bpso20232q.htm ex31bswepco20232q.htm ex32aaep20232q.htm ex32aaeptco20232q.htm ex32aaeptexas20232q.htm ex32aapco20232q.htm ex32aim20232q.htm ex32aopco20232q.htm ex32apso20232q.htm ex32aswepco20232q.htm ex32baep20232q.htm ex32baeptco20232q.htm ex32baeptexas20232q.htm ex32bapco20232q.htm ex32bim20232q.htm ex32bopco20232q.htm ex32bpso20232q.htm ex32bswepco20232q.htm ex9520232q.htm http://fasb.org/us-gaap/2023 http://xbrl.sec.gov/dei/2023 http://xbrl.sec.gov/ecd/2023 true true