3.22.4 html 4478 979 1 true 467 0 false 10 false false R1.htm 0000001 - Document - Cover Sheet http://aep.com/role/Cover Cover Cover 1 false false R2.htm 0000002 - Statement - Consolidated Statements of Income Sheet http://aep.com/role/ConsolidatedStatementsofIncome Consolidated Statements of Income Statements 2 false false R3.htm 0000003 - Statement - Consolidated Statements of Comprehensive Income (Loss) Sheet http://aep.com/role/ConsolidatedStatementsofComprehensiveIncomeLoss Consolidated Statements of Comprehensive Income (Loss) Statements 3 false false R4.htm 0000004 - Statement - Condensed Consolidated Statements of Changes in Equity Sheet http://aep.com/role/CondensedConsolidatedStatementsofChangesinEquity Condensed Consolidated Statements of Changes in Equity Statements 4 false false R5.htm 0000005 - Statement - Consolidated Balance Sheets Sheet http://aep.com/role/ConsolidatedBalanceSheets Consolidated Balance Sheets Statements 5 false false R6.htm 0000006 - Statement - Consolidated Statements of Cash Flows Sheet http://aep.com/role/ConsolidatedStatementsofCashFlows Consolidated Statements of Cash Flows Statements 6 false false R7.htm 0000007 - Disclosure - Organization and Summary of Significant Accounting Policies Sheet http://aep.com/role/OrganizationandSummaryofSignificantAccountingPolicies Organization and Summary of Significant Accounting Policies Notes 7 false false R8.htm 0000008 - Disclosure - New Accounting Standards Sheet http://aep.com/role/NewAccountingStandards New Accounting Standards Notes 8 false false R9.htm 0000009 - Disclosure - Comprehensive Income Sheet http://aep.com/role/ComprehensiveIncome Comprehensive Income Notes 9 false false R10.htm 0000010 - Disclosure - Rate Matters Sheet http://aep.com/role/RateMatters Rate Matters Notes 10 false false R11.htm 0000011 - Disclosure - Effects of Regulation Sheet http://aep.com/role/EffectsofRegulation Effects of Regulation Notes 11 false false R12.htm 0000012 - Disclosure - Commitments, Guarantees and Contingencies Sheet http://aep.com/role/CommitmentsGuaranteesandContingencies Commitments, Guarantees and Contingencies Notes 12 false false R13.htm 0000013 - Disclosure - Acquisitions, Assets and Liabilities Held for Sale, Dispositions and Impairments Sheet http://aep.com/role/AcquisitionsAssetsandLiabilitiesHeldforSaleDispositionsandImpairments Acquisitions, Assets and Liabilities Held for Sale, Dispositions and Impairments Notes 13 false false R14.htm 0000014 - Disclosure - Benefit Plans Sheet http://aep.com/role/BenefitPlans Benefit Plans Notes 14 false false R15.htm 0000015 - Disclosure - Business Segments Sheet http://aep.com/role/BusinessSegments Business Segments Notes 15 false false R16.htm 0000016 - Disclosure - Derivatives and Hedging Sheet http://aep.com/role/DerivativesandHedging Derivatives and Hedging Notes 16 false false R17.htm 0000017 - Disclosure - Fair Value Measurements Sheet http://aep.com/role/FairValueMeasurements Fair Value Measurements Notes 17 false false R18.htm 0000018 - Disclosure - Income Taxes Sheet http://aep.com/role/IncomeTaxes Income Taxes Notes 18 false false R19.htm 0000019 - Disclosure - Leases Sheet http://aep.com/role/Leases Leases Notes 19 false false R20.htm 0000020 - Disclosure - Financing Activities Sheet http://aep.com/role/FinancingActivities Financing Activities Notes 20 false false R21.htm 0000021 - Disclosure - Stock-Based Compensation Sheet http://aep.com/role/StockBasedCompensation Stock-Based Compensation Notes 21 false false R22.htm 0000022 - Disclosure - Related Party Transactions Sheet http://aep.com/role/RelatedPartyTransactions Related Party Transactions Notes 22 false false R23.htm 0000023 - Disclosure - Variable Interest Entities Sheet http://aep.com/role/VariableInterestEntities Variable Interest Entities Notes 23 false false R24.htm 0000024 - Disclosure - Property, Plant and Equipment Sheet http://aep.com/role/PropertyPlantandEquipment Property, Plant and Equipment Notes 24 false false R25.htm 0000025 - Disclosure - Revenue from Contracts with Customers Sheet http://aep.com/role/RevenuefromContractswithCustomers Revenue from Contracts with Customers Notes 25 false false R26.htm 0000026 - Disclosure - Goodwill Sheet http://aep.com/role/Goodwill Goodwill Notes 26 false false R27.htm 0000027 - Disclosure - Subsequent Events Sheet http://aep.com/role/SubsequentEvents Subsequent Events Notes 27 false false R28.htm 0000028 - Disclosure - Organization and Summary of Significant Accounting Policies (Policies) Sheet http://aep.com/role/OrganizationandSummaryofSignificantAccountingPoliciesPolicies Organization and Summary of Significant Accounting Policies (Policies) Policies http://aep.com/role/OrganizationandSummaryofSignificantAccountingPolicies 28 false false R29.htm 0000029 - Disclosure - Benefit Plans (Policies) Sheet http://aep.com/role/BenefitPlansPolicies Benefit Plans (Policies) Policies http://aep.com/role/OrganizationandSummaryofSignificantAccountingPolicies 29 false false R30.htm 0000030 - Disclosure - Derivatives and Hedging (Policies) Sheet http://aep.com/role/DerivativesandHedgingPolicies Derivatives and Hedging (Policies) Policies http://aep.com/role/OrganizationandSummaryofSignificantAccountingPolicies 30 false false R31.htm 0000031 - Disclosure - Fair Value Measurements (Policies) Sheet http://aep.com/role/FairValueMeasurementsPolicies Fair Value Measurements (Policies) Policies http://aep.com/role/OrganizationandSummaryofSignificantAccountingPolicies 31 false false R32.htm 0000032 - Disclosure - Income Taxes (Policies) Sheet http://aep.com/role/IncomeTaxesPolicies Income Taxes (Policies) Policies http://aep.com/role/OrganizationandSummaryofSignificantAccountingPolicies 32 false false R33.htm 0000033 - Disclosure - Leases (Policies) Sheet http://aep.com/role/LeasesPolicies Leases (Policies) Policies http://aep.com/role/OrganizationandSummaryofSignificantAccountingPolicies 33 false false R34.htm 0000034 - Disclosure - Stock-Based Compensation (Policies) Sheet http://aep.com/role/StockBasedCompensationPolicies Stock-Based Compensation (Policies) Policies http://aep.com/role/OrganizationandSummaryofSignificantAccountingPolicies 34 false false R35.htm 0000035 - Disclosure - Variable Interest Entities (Policies) Sheet http://aep.com/role/VariableInterestEntitiesPolicies Variable Interest Entities (Policies) Policies http://aep.com/role/OrganizationandSummaryofSignificantAccountingPolicies 35 false false R36.htm 0000036 - Disclosure - Property, Plant and Equipment (Policies) Sheet http://aep.com/role/PropertyPlantandEquipmentPolicies Property, Plant and Equipment (Policies) Policies http://aep.com/role/OrganizationandSummaryofSignificantAccountingPolicies 36 false false R37.htm 0000037 - Disclosure - Organization and Summary of Significant Accounting Policies (Tables) Sheet http://aep.com/role/OrganizationandSummaryofSignificantAccountingPoliciesTables Organization and Summary of Significant Accounting Policies (Tables) Tables http://aep.com/role/OrganizationandSummaryofSignificantAccountingPolicies 37 false false R38.htm 0000039 - Disclosure - Comprehensive Income (Tables) Sheet http://aep.com/role/ComprehensiveIncomeTables Comprehensive Income (Tables) Tables http://aep.com/role/ComprehensiveIncome 38 false false R39.htm 0000040 - Disclosure - Effects of Regulation (Tables) Sheet http://aep.com/role/EffectsofRegulationTables Effects of Regulation (Tables) Tables http://aep.com/role/EffectsofRegulation 39 false false R40.htm 0000041 - Disclosure - Commitments, Guarantees and Contingencies (Tables) Sheet http://aep.com/role/CommitmentsGuaranteesandContingenciesTables Commitments, Guarantees and Contingencies (Tables) Tables http://aep.com/role/CommitmentsGuaranteesandContingencies 40 false false R41.htm 0000042 - Disclosure - Acquisitions, Assets and Liabilities Held for Sale, Dispositions and Impairments (Tables) Sheet http://aep.com/role/AcquisitionsAssetsandLiabilitiesHeldforSaleDispositionsandImpairmentsTables Acquisitions, Assets and Liabilities Held for Sale, Dispositions and Impairments (Tables) Tables http://aep.com/role/AcquisitionsAssetsandLiabilitiesHeldforSaleDispositionsandImpairments 41 false false R42.htm 0000043 - Disclosure - Benefit Plans (Tables) Sheet http://aep.com/role/BenefitPlansTables Benefit Plans (Tables) Tables http://aep.com/role/BenefitPlans 42 false false R43.htm 0000044 - Disclosure - Business Segments (Tables) Sheet http://aep.com/role/BusinessSegmentsTables Business Segments (Tables) Tables http://aep.com/role/BusinessSegments 43 false false R44.htm 0000045 - Disclosure - Derivatives and Hedging (Tables) Sheet http://aep.com/role/DerivativesandHedgingTables Derivatives and Hedging (Tables) Tables http://aep.com/role/DerivativesandHedging 44 false false R45.htm 0000046 - Disclosure - Fair Value Measurements (Tables) Sheet http://aep.com/role/FairValueMeasurementsTables Fair Value Measurements (Tables) Tables http://aep.com/role/FairValueMeasurements 45 false false R46.htm 0000047 - Disclosure - Income Taxes (Tables) Sheet http://aep.com/role/IncomeTaxesTables Income Taxes (Tables) Tables http://aep.com/role/IncomeTaxes 46 false false R47.htm 0000048 - Disclosure - Leases (Tables) Sheet http://aep.com/role/LeasesTables Leases (Tables) Tables http://aep.com/role/Leases 47 false false R48.htm 0000049 - Disclosure - Financing Activities (Tables) Sheet http://aep.com/role/FinancingActivitiesTables Financing Activities (Tables) Tables http://aep.com/role/FinancingActivities 48 false false R49.htm 0000050 - Disclosure - Stock-Based Compensation (Tables) Sheet http://aep.com/role/StockBasedCompensationTables Stock-Based Compensation (Tables) Tables http://aep.com/role/StockBasedCompensation 49 false false R50.htm 0000051 - Disclosure - Related Party Transactions (Tables) Sheet http://aep.com/role/RelatedPartyTransactionsTables Related Party Transactions (Tables) Tables http://aep.com/role/RelatedPartyTransactions 50 false false R51.htm 0000052 - Disclosure - Variable Interest Entities (Tables) Sheet http://aep.com/role/VariableInterestEntitiesTables Variable Interest Entities (Tables) Tables http://aep.com/role/VariableInterestEntities 51 false false R52.htm 0000053 - Disclosure - Property, Plant and Equipment (Tables) Sheet http://aep.com/role/PropertyPlantandEquipmentTables Property, Plant and Equipment (Tables) Tables http://aep.com/role/PropertyPlantandEquipment 52 false false R53.htm 0000054 - Disclosure - Revenue from Contracts with Customers (Tables) Sheet http://aep.com/role/RevenuefromContractswithCustomersTables Revenue from Contracts with Customers (Tables) Tables http://aep.com/role/RevenuefromContractswithCustomers 53 false false R54.htm 0000055 - Disclosure - Goodwill (Tables) Sheet http://aep.com/role/GoodwillTables Goodwill (Tables) Tables http://aep.com/role/Goodwill 54 false false R55.htm 0000057 - Disclosure - Organization and Summary of Significant Accounting Policies (Details) Sheet http://aep.com/role/OrganizationandSummaryofSignificantAccountingPoliciesDetails Organization and Summary of Significant Accounting Policies (Details) Details http://aep.com/role/OrganizationandSummaryofSignificantAccountingPoliciesTables 55 false false R56.htm 0000059 - Disclosure - Comprehensive Income (Details) Sheet http://aep.com/role/ComprehensiveIncomeDetails Comprehensive Income (Details) Details http://aep.com/role/ComprehensiveIncomeTables 56 false false R57.htm 0000060 - Disclosure - Rate Matters East Companies (Details) Sheet http://aep.com/role/RateMattersEastCompaniesDetails Rate Matters East Companies (Details) Details 57 false false R58.htm 0000061 - Disclosure - Rate Matters West Companies (Details) Sheet http://aep.com/role/RateMattersWestCompaniesDetails Rate Matters West Companies (Details) Details 58 false false R59.htm 0000062 - Disclosure - Rate Matters FERC (Details) Sheet http://aep.com/role/RateMattersFERCDetails Rate Matters FERC (Details) Details 59 false false R60.htm 0000063 - Disclosure - Effects of Regulation (Details) Sheet http://aep.com/role/EffectsofRegulationDetails Effects of Regulation (Details) Details http://aep.com/role/EffectsofRegulationTables 60 false false R61.htm 0000064 - Disclosure - Commitments, Guarantees and Contingencies (Details) Sheet http://aep.com/role/CommitmentsGuaranteesandContingenciesDetails Commitments, Guarantees and Contingencies (Details) Details http://aep.com/role/CommitmentsGuaranteesandContingenciesTables 61 false false R62.htm 0000065 - Disclosure - Acquisitions, Assets and Liabilities Held for Sale, Dispositions and Impairments (Details) Sheet http://aep.com/role/AcquisitionsAssetsandLiabilitiesHeldforSaleDispositionsandImpairmentsDetails Acquisitions, Assets and Liabilities Held for Sale, Dispositions and Impairments (Details) Details http://aep.com/role/AcquisitionsAssetsandLiabilitiesHeldforSaleDispositionsandImpairmentsTables 62 false false R63.htm 0000066 - Disclosure - Benefit Plans 1 (Details) Sheet http://aep.com/role/BenefitPlans1Details Benefit Plans 1 (Details) Details http://aep.com/role/BenefitPlansTables 63 false false R64.htm 0000067 - Disclosure - Benefit Plans 2 (Details) Sheet http://aep.com/role/BenefitPlans2Details Benefit Plans 2 (Details) Details http://aep.com/role/BenefitPlansTables 64 false false R65.htm 0000068 - Disclosure - Benefit Plans 3 (Details) Sheet http://aep.com/role/BenefitPlans3Details Benefit Plans 3 (Details) Details http://aep.com/role/BenefitPlansTables 65 false false R66.htm 0000069 - Disclosure - Business Segments (Details) Sheet http://aep.com/role/BusinessSegmentsDetails Business Segments (Details) Details http://aep.com/role/BusinessSegmentsTables 66 false false R67.htm 0000070 - Disclosure - Derivatives and Hedging (Details) Sheet http://aep.com/role/DerivativesandHedgingDetails Derivatives and Hedging (Details) Details http://aep.com/role/DerivativesandHedgingTables 67 false false R68.htm 0000071 - Disclosure - Fair Value Long-term Debt, Other Temporary Investments, Nuclear Trusts (Details) Sheet http://aep.com/role/FairValueLongtermDebtOtherTemporaryInvestmentsNuclearTrustsDetails Fair Value Long-term Debt, Other Temporary Investments, Nuclear Trusts (Details) Details 68 false false R69.htm 0000072 - Disclosure - Fair Value Financial Assets Liabilities (Details) Sheet http://aep.com/role/FairValueFinancialAssetsLiabilitiesDetails Fair Value Financial Assets Liabilities (Details) Details 69 false false R70.htm 0000073 - Disclosure - Income Taxes (Details) Sheet http://aep.com/role/IncomeTaxesDetails Income Taxes (Details) Details http://aep.com/role/IncomeTaxesTables 70 false false R71.htm 0000074 - Disclosure - Leases (Details) Sheet http://aep.com/role/LeasesDetails Leases (Details) Details http://aep.com/role/LeasesTables 71 false false R72.htm 0000075 - Disclosure - Financing Activities (Details) Sheet http://aep.com/role/FinancingActivitiesDetails Financing Activities (Details) Details http://aep.com/role/FinancingActivitiesTables 72 false false R73.htm 0000076 - Disclosure - Stock-Based Compensation (Details) Sheet http://aep.com/role/StockBasedCompensationDetails Stock-Based Compensation (Details) Details http://aep.com/role/StockBasedCompensationTables 73 false false R74.htm 0000077 - Disclosure - Related Party Transactions (Details) Sheet http://aep.com/role/RelatedPartyTransactionsDetails Related Party Transactions (Details) Details http://aep.com/role/RelatedPartyTransactionsTables 74 false false R75.htm 0000078 - Disclosure - Variable Interest Entities (Details) Sheet http://aep.com/role/VariableInterestEntitiesDetails Variable Interest Entities (Details) Details http://aep.com/role/VariableInterestEntitiesTables 75 false false R76.htm 0000079 - Disclosure - Property, Plant and Equipment (Details) Sheet http://aep.com/role/PropertyPlantandEquipmentDetails Property, Plant and Equipment (Details) Details http://aep.com/role/PropertyPlantandEquipmentTables 76 false false R77.htm 0000080 - Disclosure - Revenue from Contracts with Customers (Details) Sheet http://aep.com/role/RevenuefromContractswithCustomersDetails Revenue from Contracts with Customers (Details) Details http://aep.com/role/RevenuefromContractswithCustomersTables 77 false false R78.htm 0000081 - Disclosure - Goodwill (Details) Sheet http://aep.com/role/GoodwillDetails Goodwill (Details) Details http://aep.com/role/GoodwillTables 78 false false R79.htm 0000082 - Disclosure - Subsequent Events (Details) Sheet http://aep.com/role/SubsequentEventsDetails Subsequent Events (Details) Details http://aep.com/role/SubsequentEvents 79 false false All Reports Book All Reports [ix-0514-Hidden-Fact-Eligible-For-Transform] WARN: 266 fact(s) appearing in ix:hidden were eligible for transformation: aep:CorporateUnitOwnershipShareOfAnEquityUnit, aep:DebtInstrumentMaturityDateRangeHigh, aep:DebtInstrumentMaturityDateRangeLow, aep:MaximumInterestRate, aep:MaximumPercentageDebtToCapitalization, aep:MinimumInterestRate, dei:CurrentFiscalYearEndDate, us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest, us-gaap:DebtInstrumentInterestRateEffectivePercentage, us-gaap:DeferredTaxAssetsGross, us-gaap:OperatingLossCarryforwardsExpirationDate, us-gaap:OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax, us-gaap:OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax, us-gaap:ProfitLoss, us-gaap:TaxCreditCarryforwardExpirationDate - aep-20221231.htm 4 [dqc-0001-Axis-With-Inappropriate-Members] The fact aep:CostMethodInvestmentOwnershipPercentage with a value of 0.3917 is dimensionally qualified with the dei:LegalEntityAxis and the unallowable member srt:ParentCompanyMember. Base taxonomy member is not allowed by rule. The properties of this aep:CostMethodInvestmentOwnershipPercentage fact are Context: i4d0626017ff54eb7a12b4ea915465c93_I20221231, Unit: number, Rule Element Id: 54. aep-20221231.htm 4 [dqc-0001-Axis-With-Inappropriate-Members] The fact us-gaap:PaymentsToAcquirePropertyPlantAndEquipment with a value of 658000000.0 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: ifd4b019749d345b0a0c8794a28668507_D20220101-20221231, Unit: usd, Rule Element Id: 70. aep-20221231.htm 4 [dqc-0001-Axis-With-Inappropriate-Members] The fact us-gaap:PaymentsToAcquirePropertyPlantAndEquipment with a value of 355800000 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: i2ec00f5c61be43f483406466a8b0b4e2_D20210101-20211231, Unit: usd, Rule Element Id: 70. aep-20221231.htm 4 [dqc-0001-Axis-With-Inappropriate-Members] The fact us-gaap:PaymentsToAcquirePropertyPlantAndEquipment with a value of 0 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: i64eb05a7eb2e49db94ffc9eeb27ba215_D20200101-20201231, Unit: usd, Rule Element Id: 70. aep-20221231.htm 4 [dqc-0001-Axis-With-Inappropriate-Members] The fact us-gaap:PaymentsToAcquirePropertyPlantAndEquipment with a value of 0 is dimensionally qualified with the srt:ConsolidationItemsAxis and the unallowable member aep:DryLakeSolarProjectMember. This extension member should not be used with this axis. The properties of this us-gaap:PaymentsToAcquirePropertyPlantAndEquipment fact are Context: i35b7240245ad4d0480c73dd8a6bb8027_D20220101-20221231, Unit: usd, Rule Element Id: 70. aep-20221231.htm 4 [dqc-0001-Axis-With-Inappropriate-Members] The fact us-gaap:PaymentsToAcquirePropertyPlantAndEquipment with a value of 114400000 is dimensionally qualified with the srt:ConsolidationItemsAxis and the unallowable member aep:DryLakeSolarProjectMember. This extension member should not be used with this axis. The properties of this us-gaap:PaymentsToAcquirePropertyPlantAndEquipment fact are Context: iac5c83e35d3e45b095dd5e1e6e4e5ce4_D20210101-20211231, Unit: usd, Rule Element Id: 70. aep-20221231.htm 4 [dqc-0001-Axis-With-Inappropriate-Members] The fact us-gaap:PaymentsToAcquirePropertyPlantAndEquipment with a value of 0 is dimensionally qualified with the srt:ConsolidationItemsAxis and the unallowable member aep:DryLakeSolarProjectMember. This extension member should not be used with this axis. The properties of this us-gaap:PaymentsToAcquirePropertyPlantAndEquipment fact are Context: i9c0bce5a037946e3a030283dc7866053_D20200101-20201231, Unit: usd, Rule Element Id: 70. aep-20221231.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:NorthCentralWindEnergyFacilitiesMember. This extension member should not be used with this axis. The properties of this us-gaap:PaymentsToAcquirePropertyPlantAndEquipment fact are Context: i4250f88174ef46c1a217f212c7f39196_D20220101-20221231, Unit: usd, Rule Element Id: 70. aep-20221231.htm 4 [dqc-0001-Axis-With-Inappropriate-Members] The fact us-gaap:PaymentsToAcquirePropertyPlantAndEquipment with a value of 652800000 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: i5d8da1cde20a4c0c99ef79f17a445644_D20210101-20211231, Unit: usd, Rule Element Id: 70. aep-20221231.htm 4 [dqc-0001-Axis-With-Inappropriate-Members] The fact us-gaap:PaymentsToAcquirePropertyPlantAndEquipment with a value of 0 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: if1ce97bfc70f4b12a599ed7f9546758a_D20200101-20201231, Unit: usd, Rule Element Id: 70. aep-20221231.htm 4 [dqc-0001-Axis-With-Inappropriate-Members] The fact us-gaap:ContributionOfProperty with a value of 0 is dimensionally qualified with the srt:ConsolidationItemsAxis and the unallowable member aep:CedarCreekProjectMember. This extension member should not be used with this axis. The properties of this us-gaap:ContributionOfProperty fact are Context: i91ddd2366da2426383b01aae7681a776_D20220101-20221231, Unit: usd, Rule Element Id: 70. aep-20221231.htm 4 [dqc-0001-Axis-With-Inappropriate-Members] The fact us-gaap:ContributionOfProperty with a value of -9300000 is dimensionally qualified with the srt:ConsolidationItemsAxis and the unallowable member aep:CedarCreekProjectMember. This extension member should not be used with this axis. The properties of this us-gaap:ContributionOfProperty fact are Context: i6a636556e20b43129061389930522ac4_D20210101-20211231, Unit: usd, Rule Element Id: 70. aep-20221231.htm 4 [dqc-0001-Axis-With-Inappropriate-Members] The fact us-gaap:ContributionOfProperty with a value of 0 is dimensionally qualified with the srt:ConsolidationItemsAxis and the unallowable member aep:CedarCreekProjectMember. This extension member should not be used with this axis. The properties of this us-gaap:ContributionOfProperty fact are Context: i9a86487b6a1848308965b307bc67e5ad_D20200101-20201231, Unit: usd, Rule Element Id: 70. aep-20221231.htm 4 [dqc-0001-Axis-With-Inappropriate-Members] The fact us-gaap:NoncashOrPartNoncashAcquisitionInvestmentsAcquired1 with a value of 0 is dimensionally qualified with the srt:ConsolidationItemsAxis and the unallowable member aep:DryLakeSolarProjectMember. This extension member should not be used with this axis. The properties of this us-gaap:NoncashOrPartNoncashAcquisitionInvestmentsAcquired1 fact are Context: if54dcdee5ad54017aa3a073d7dbc08d0_D20220101-20221231, Unit: usd, Rule Element Id: 70. aep-20221231.htm 4 [dqc-0001-Axis-With-Inappropriate-Members] The fact us-gaap:NoncashOrPartNoncashAcquisitionInvestmentsAcquired1 with a value of 35300000 is dimensionally qualified with the srt:ConsolidationItemsAxis and the unallowable member aep:DryLakeSolarProjectMember. This extension member should not be used with this axis. The properties of this us-gaap:NoncashOrPartNoncashAcquisitionInvestmentsAcquired1 fact are Context: i799c8cbdd1cd4bac81279365cece9c94_D20210101-20211231, Unit: usd, Rule Element Id: 70. aep-20221231.htm 4 [dqc-0001-Axis-With-Inappropriate-Members] The fact us-gaap:NoncashOrPartNoncashAcquisitionInvestmentsAcquired1 with a value of 0 is dimensionally qualified with the srt:ConsolidationItemsAxis and the unallowable member aep:DryLakeSolarProjectMember. This extension member should not be used with this axis. The properties of this us-gaap:NoncashOrPartNoncashAcquisitionInvestmentsAcquired1 fact are Context: id9d2e69c3fa84396af23e388c9894138_D20200101-20201231, Unit: usd, Rule Element Id: 70. aep-20221231.htm 4 [dqc-0001-Axis-With-Inappropriate-Members] The fact us-gaap:AssetImpairmentCharges with a value of 363300000 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: i29707a71ae984d96a75c96c0a8e4058f_D20220101-20221231, Unit: usd, Rule Element Id: 70. aep-20221231.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: i1b7896b31d4b4864875a4053e63c751d_D20210101-20211231, Unit: usd, Rule Element Id: 70. aep-20221231.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: i95d48e9ca869434d96ebfd49fdef57ee_D20200101-20201231, Unit: usd, Rule Element Id: 70. aep-20221231.htm 4 [dqc-0001-Axis-With-Inappropriate-Members] The fact us-gaap:EquityMethodInvestmentOtherThanTemporaryImpairment with a value of 188000000.0 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: i2a7350f0aad84d4bb06bfb66b380173c_D20220101-20221231, Unit: usd, Rule Element Id: 70. aep-20221231.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: iaf1c0788e305404499e94c1d6f8277d2_D20210101-20211231, Unit: usd, Rule Element Id: 70. aep-20221231.htm 4 [dqc-0001-Axis-With-Inappropriate-Members] The fact us-gaap:PaymentsToAcquirePropertyPlantAndEquipment with a value of 114000000 is dimensionally qualified with the srt:ConsolidationItemsAxis and the unallowable member aep:DryLakeSolarProjectMember. This extension member should not be used with this axis. The properties of this us-gaap:PaymentsToAcquirePropertyPlantAndEquipment fact are Context: if9634be84a624afba7969bb47656a60c_D20220101-20221231, Unit: usd, Rule Element Id: 70. aep-20221231.htm 4 [dqc-0001-Axis-With-Inappropriate-Members] The fact us-gaap:PaymentsToAcquirePropertyPlantAndEquipment with a value of 103000000 is dimensionally qualified with the srt:ConsolidationItemsAxis and the unallowable member aep:DryLakeSolarProjectMember. This extension member should not be used with this axis. The properties of this us-gaap:PaymentsToAcquirePropertyPlantAndEquipment fact are Context: i8a283c97cf1a404bbb3d5de7ff876fe6_D20220101-20221231, Unit: usd, Rule Element Id: 70. aep-20221231.htm 4 [dqc-0001-Axis-With-Inappropriate-Members] The fact us-gaap:PaymentsToAcquirePropertyPlantAndEquipment with a value of 11000000 is dimensionally qualified with the srt:ConsolidationItemsAxis and the unallowable member aep:DryLakeSolarProjectMember. This extension member should not be used with this axis. The properties of this us-gaap:PaymentsToAcquirePropertyPlantAndEquipment fact are Context: i6afb6f82e81c47fa833c51a49cb701f8_D20220101-20221231, Unit: usd, Rule Element Id: 70. aep-20221231.htm 4 [dqc-0001-Axis-With-Inappropriate-Members] The fact us-gaap:PaymentsToAcquirePropertyPlantAndEquipment with a value of 383000000 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: ibf3a6980004d4587b0bd57bdeee2f908_D20220101-20221231, Unit: usd, Rule Element Id: 70. aep-20221231.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: iefa0476c61e9435da900ff8274249dca_D20220101-20221231, Unit: usd, Rule Element Id: 70. aep-20221231.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: ia4d1192ff6f143f2acd04cda443c5e2a_D20200101-20201231, Unit: usd, Rule Element Id: 70. aep-20221231.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: i67ce3e6529bc479fb4d6f1e78dfb21f1_D20220101-20221231, Unit: usd, Rule Element Id: 70. aep-20221231.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: idfa5b79f15ac4968a927effb5ac4d5dd_D20210101-20211231, Unit: usd, Rule Element Id: 70. aep-20221231.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: ib9c0393bf1ee48d7a7e864b559586d7c_D20200101-20201231, Unit: usd, Rule Element Id: 70. aep-20221231.htm 4 [dqc-0001-Axis-With-Inappropriate-Members] Member defined for the axis srt:ConsolidationItemsAxis was not reported with any fact: aep:SempraRenewableLLCAndSantaRitaMember. Id: 70. aep-20221231.htm [dqc-0001-Axis-With-Inappropriate-Members] Member defined for the axis us-gaap:StatementEquityComponentsAxis was not reported with any fact: us-gaap:CashFlowHedgingMember. Id: 75. aep-20221231.htm [dqc-0001-Axis-With-Inappropriate-Members] Member defined for the axis us-gaap:StatementBusinessSegmentsAxis was not reported with any fact: srt:ConsolidationEliminationsMember. Id: 81. aep-20221231.htm [dqc-0004-Element-Values-Are-Equal] Assets with a value of 238500000 is not equal to the total of AssetsCurrent, AssetsNoncurrent with a value of 9900000 + 11300000. These values should be equal. The properties of this Assets fact are Context: idb13b716a5674fd08cb617140a8c5b25_I20211231, Unit: usd, Rule Element Id: 9280. aep-20221231.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: iba03cca0b1da4f3f91a5c30118200da4_I20221231, Unit: usd, Rule Element Id: 9280. aep-20221231.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: ib3a1f39c4a554ec182fcf70c0be23504_I20221231, Unit: usd, Rule Element Id: 9280. aep-20221231.htm 4 [dqc-0004-Element-Values-Are-Equal] Assets with a value of 6399000000 is not equal to the total of AssetsCurrent, AssetsNoncurrent with a value of 386800000 + 1209400000. These values should be equal. The properties of this Assets fact are Context: ieb8332d36c054108a3f0cf013ba85c98_I20211231, Unit: usd, Rule Element Id: 9280. aep-20221231.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: ie82054724e7a41348e521d7282f2f772_I20221231, Unit: usd, Rule Element Id: 9280. aep-20221231.htm 4 [dqc-0004-Element-Values-Are-Equal] Assets with a value of 87668700000 is not equal to the total of AssetsCurrent, AssetsNoncurrent with a value of 7809200000 + 13858200000. These values should be equal. The properties of this Assets fact are Context: i3ddbf87cff7041e497e9c25f4fbde719_I20211231, Unit: usd, Rule Element Id: 9280. aep-20221231.htm 4 [dqc-0004-Element-Values-Are-Equal] Assets with a value of 445200000 is not equal to the total of AssetsCurrent, AssetsNoncurrent with a value of 7600000 + 0. These values should be equal. The properties of this Assets fact are Context: id00e1103a5814256910c6aedb7da1826_I20211231, Unit: usd, Rule Element Id: 9280. aep-20221231.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: ic7c33634f9d243758fcdf5599193df16_I20221231, Unit: usd, Rule Element Id: 9280. aep-20221231.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: ia52504a008ff46108b92dd681c85fb11_I20221231, Unit: usd, Rule Element Id: 9280. aep-20221231.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 360500000 + 283600000. These values should be equal. The properties of this Assets fact are Context: i719c9d88f43949eca01c69a3a5fd3f96_I20221231, Unit: usd, Rule Element Id: 9280. aep-20221231.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: i97a6dbf41a424e65b301bf23550c4812_I20221231, Unit: usd, Rule Element Id: 9280. aep-20221231.htm 4 [dqc-0004-Element-Values-Are-Equal] Assets with a value of 233100000 is not equal to the total of AssetsCurrent, AssetsNoncurrent with a value of 77200000 + 104100000. These values should be equal. The properties of this Assets fact are Context: i4c024570052f4dbd91f5b4b13438e5ae_I20211231, Unit: usd, Rule Element Id: 9280. aep-20221231.htm 4 [dqc-0004-Element-Values-Are-Equal] Assets with a value of 9325700000 is not equal to the total of AssetsCurrent, AssetsNoncurrent with a value of 668500000 + 1257100000. These values should be equal. The properties of this Assets fact are Context: iff2a9439a7a04a60aeb3ba7939de5f37_I20211231, Unit: usd, Rule Element Id: 9280. aep-20221231.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: i0d612fd53aa940dd97fd23ba9e3bd51a_I20221231, Unit: usd, Rule Element Id: 9280. aep-20221231.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: iab487f360fa5406aa69f13ded183a60b_I20221231, Unit: usd, Rule Element Id: 9280. aep-20221231.htm 4 [dqc-0004-Element-Values-Are-Equal] Assets with a value of 11836700000 is not equal to the total of AssetsCurrent, AssetsNoncurrent with a value of 347200000 + 854100000. These values should be equal. The properties of this Assets fact are Context: ief663f4aa6844b189215f0bca6117290_I20211231, Unit: usd, Rule Element Id: 9280. aep-20221231.htm 4 [dqc-0004-Element-Values-Are-Equal] Assets with a value of 241000000 is not equal to the total of AssetsCurrent, AssetsNoncurrent with a value of 65200000 + 57200000. These values should be equal. The properties of this Assets fact are Context: ib6c6ffb647e849888c22ce5c3cf8753b_I20211231, Unit: usd, Rule Element Id: 9280. aep-20221231.htm 4 [dqc-0004-Element-Values-Are-Equal] Assets with a value of 93469400000 is not equal to the total of AssetsCurrent, AssetsNoncurrent with a value of 9418700000 + 12767800000. These values should be equal. The properties of this Assets fact are Context: id970bd561a2445199535b983015a5be6_I20221231, Unit: usd, Rule Element Id: 9280. aep-20221231.htm 4 [dqc-0004-Element-Values-Are-Equal] Assets with a value of 150400000 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: ic2852eb4d8a34931bff04cb9d108d0d6_I20211231, Unit: usd, Rule Element Id: 9280. aep-20221231.htm 4 [dqc-0004-Element-Values-Are-Equal] Assets with a value of 14088900000 is not equal to the total of AssetsCurrent, AssetsNoncurrent with a value of 925300000 + 1359300000. These values should be equal. The properties of this Assets fact are Context: i2e5cdfe83f394b7b86a8e5f9097d0088_I20211231, Unit: usd, Rule Element Id: 9280. aep-20221231.htm 4 [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: i2628a9699dd04207ab6182b15f259c25_I20221231, Unit: usd, Rule Element Id: 9280. aep-20221231.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: i511c19b4a5ed462b8f57bcfbe6e17949_I20221231, Unit: usd, Rule Element Id: 9280. aep-20221231.htm 4 [dqc-0004-Element-Values-Are-Equal] Assets with a value of 12408200000 is not equal to the total of AssetsCurrent, AssetsNoncurrent with a value of 439400000 + 4657900000. These values should be equal. The properties of this Assets fact are Context: if5f84bf6654b4cab962d005cb32d9da2_I20211231, Unit: usd, Rule Element Id: 9280. aep-20221231.htm 4 [dqc-0004-Element-Values-Are-Equal] Assets with a value of 517200000 is not equal to the total of AssetsCurrent, AssetsNoncurrent with a value of 38800000 + 3000000. These values should be equal. The properties of this Assets fact are Context: i726c050354de4e23ac82b632ba0c6d4e_I20211231, Unit: usd, Rule Element Id: 9280. aep-20221231.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: i59533c190ef848439a825873cf0b3a23_I20221231, Unit: usd, Rule Element Id: 9280. aep-20221231.htm 4 [dqc-0004-Element-Values-Are-Equal] Assets with a value of 9265800000 is not equal to the total of AssetsCurrent, AssetsNoncurrent with a value of 327500000 + 975300000. These values should be equal. The properties of this Assets fact are Context: i5437d82e02164db582d75683bf455794_I20211231, Unit: usd, Rule Element Id: 9280. aep-20221231.htm 4 [dqc-0004-Element-Values-Are-Equal] Assets with a value of 12524400000 is not equal to the total of AssetsCurrent, AssetsNoncurrent with a value of 331300000 + 257400000. These values should be equal. The properties of this Assets fact are Context: i1efe9d329a50444c8d5bcc273b85fd64_I20211231, Unit: usd, Rule Element Id: 9280. aep-20221231.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: ibea9a4421c434da98e701c99fcccf98a_I20221231, Unit: usd, Rule Element Id: 9280. aep-20221231.htm 4 [dqc-0005-Context-Dates-After-Period-End-Date] The date of 2022-12-31 used for ProceedsFromSaleOfProductiveAssets with a value of 1200000000.000000 and the SubsequentEventTypeAxis is earlier than or the same as the reporting period end date 2022-12-31. The properties of this ProceedsFromSaleOfProductiveAssets fact are Context: i4f08815ec4c04ffb973986068c32d046_D20220101-20221231, Unit: usd, Rule Element Id: 48. aep-20221231.htm 4 [dqc-0005-Context-Dates-After-Period-End-Date] The date of 2022-12-31 used for EnterpriseValue with a value of 1500000000.000000 and the SubsequentEventTypeAxis is earlier than or the same as the reporting period end date 2022-12-31. The properties of this EnterpriseValue fact are Context: idf84809590e74d2db62d509feae17797_I20221231, Unit: usd, Rule Element Id: 48. aep-20221231.htm 4 [dqc-0005-Context-Dates-After-Period-End-Date] The date of 2022-12-31 used for AnticipatedPretaxLossRangeUpper with a value of 225000000.000000 and the SubsequentEventTypeAxis is earlier than or the same as the reporting period end date 2022-12-31. The properties of this AnticipatedPretaxLossRangeUpper fact are Context: i4f08815ec4c04ffb973986068c32d046_D20220101-20221231, Unit: usd, Rule Element Id: 48. aep-20221231.htm 4 [dqc-0005-Context-Dates-After-Period-End-Date] The date of 2022-12-31 used for Indemnification with a value of 70000000.000000 and the SubsequentEventTypeAxis is earlier than or the same as the reporting period end date 2022-12-31. The properties of this Indemnification fact are Context: idf84809590e74d2db62d509feae17797_I20221231, Unit: usd, Rule Element Id: 48. aep-20221231.htm 4 [dqc-0005-Context-Dates-After-Period-End-Date] The date of 2022-12-31 used for AnticipatedAfterTaxLossRangeLower with a value of 100000000.000000 and the SubsequentEventTypeAxis is earlier than or the same as the reporting period end date 2022-12-31. The properties of this AnticipatedAfterTaxLossRangeLower fact are Context: i4f08815ec4c04ffb973986068c32d046_D20220101-20221231, Unit: usd, Rule Element Id: 48. aep-20221231.htm 4 [dqc-0005-Context-Dates-After-Period-End-Date] The date of 2022-12-31 used for AnticipatedPretaxLossRangeLower with a value of 175000000.000000 and the SubsequentEventTypeAxis is earlier than or the same as the reporting period end date 2022-12-31. The properties of this AnticipatedPretaxLossRangeLower fact are Context: i4f08815ec4c04ffb973986068c32d046_D20220101-20221231, Unit: usd, Rule Element Id: 48. aep-20221231.htm 4 [dqc-0005-Context-Dates-After-Period-End-Date] The date of 2022-12-31 used for AnticipatedAfterTaxLossRangeUpper with a value of 150000000.000000 and the SubsequentEventTypeAxis is earlier than or the same as the reporting period end date 2022-12-31. The properties of this AnticipatedAfterTaxLossRangeUpper fact are Context: i4f08815ec4c04ffb973986068c32d046_D20220101-20221231, Unit: usd, Rule Element Id: 48. aep-20221231.htm 4 [dqc-0005-Context-Dates-After-Period-End-Date] The date of 2022-01-31 used for RepaymentsOfLongTermDebt with a value of 8000000.000000 and the SubsequentEventTypeAxis is earlier than or the same as the reporting period end date 2022-12-31. The properties of this RepaymentsOfLongTermDebt fact are Context: i0576371e727f4ab583f9bc78c036d28e_D20220101-20220131, Unit: usd, Rule Element Id: 48. aep-20221231.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:NoncashOrPartNoncashAcquisitionOtherAssetsAcquired1 has a value of -43700000 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:NoncashOrPartNoncashAcquisitionOtherAssetsAcquired1 fact are: Context: i68d74843bff94162987d4864f380e035_D20200101-20201231, Unit: usd, Rule Element Id: 3508. aep-20221231.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:AmortizationOfDeferredPropertyTaxes has a value of -41200000 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: i78313a4cddcd4632a0030e73121b6713_D20220101-20221231, Unit: usd, Rule Element Id: 3489. aep-20221231.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:AmortizationOfDeferredPropertyTaxes has a value of -68000000.0 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: ic02e1f9830054f43bfbfbf77a1cfe14e_D20210101-20211231, Unit: usd, Rule Element Id: 3489. aep-20221231.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:AmortizationOfDeferredPropertyTaxes has a value of -43300000 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: i16e3511855e543dfad3491dab521a165_D20200101-20201231, Unit: usd, Rule Element Id: 3489. aep-20221231.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment has a value of -218000000.0 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:ProceedsFromSaleOfPropertyPlantAndEquipment fact are: Context: i78313a4cddcd4632a0030e73121b6713_D20220101-20221231, Unit: usd, Rule Element Id: 2069. aep-20221231.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment has a value of -118900000 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:ProceedsFromSaleOfPropertyPlantAndEquipment fact are: Context: ic02e1f9830054f43bfbfbf77a1cfe14e_D20210101-20211231, Unit: usd, Rule Element Id: 2069. aep-20221231.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:AmortizationOfDeferredPropertyTaxes has a value of -20900000 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: i02748cc9f8f54d9f95f5e6498db1c042_D20220101-20221231, Unit: usd, Rule Element Id: 3489. aep-20221231.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:AmortizationOfDeferredPropertyTaxes has a value of -25600000 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: i580e5d0eff30433d9f81d7fb3a9721ef_D20210101-20211231, Unit: usd, Rule Element Id: 3489. aep-20221231.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:AmortizationOfDeferredPropertyTaxes has a value of -26600000 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: i74c4de6b013f4d479bc60b26336d2f9e_D20200101-20201231, Unit: usd, Rule Element Id: 3489. aep-20221231.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:OtherSignificantNoncashTransactionValueOfConsiderationGiven1 has a value of -50000000.0 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:OtherSignificantNoncashTransactionValueOfConsiderationGiven1 fact are: Context: i74c4de6b013f4d479bc60b26336d2f9e_D20200101-20201231, Unit: usd, Rule Element Id: 3411. aep-20221231.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:AmortizationOfDeferredPropertyTaxes has a value of -20000000.0 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: ia31a72ca107b4a16a2817bcb936a50bd_D20220101-20221231, Unit: usd, Rule Element Id: 3489. aep-20221231.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:AmortizationOfDeferredPropertyTaxes has a value of -35300000 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: ibe088e34e4714ab3a0ed0d582e1ce036_D20210101-20211231, Unit: usd, Rule Element Id: 3489. aep-20221231.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:AmortizationOfDeferredPropertyTaxes has a value of -16600000 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: if50ce4e1493641a9af5fc90aba34b040_D20200101-20201231, Unit: usd, Rule Element Id: 3489. aep-20221231.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:PaymentsToAcquirePropertyPlantAndEquipment has a value of -549300000 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: i85d97cc1b6bf4c2787c496f6ff7dc0df_D20220101-20221231, Unit: usd, Rule Element Id: 1964. aep-20221231.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:PaymentsToAcquirePropertyPlantAndEquipment has a value of -297000000.0 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: id42ffddb9fa74951a31d3c6008a2d731_D20210101-20211231, Unit: usd, Rule Element Id: 1964. aep-20221231.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:ContributionOfProperty has a value of -9300000 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:ContributionOfProperty fact are: Context: i6a636556e20b43129061389930522ac4_D20210101-20211231, Unit: usd, Rule Element Id: 3547. aep-20221231.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:RegulatoryLiabilityNoncurrent has a value of -87700000 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:RegulatoryLiabilityNoncurrent fact are: Context: i45a0c08a13f049db9dff2d1c30a82d4d_I20221231, Unit: usd, Rule Element Id: 5976. aep-20221231.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:RegulatoryLiabilityNoncurrent has a value of -87700000 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:RegulatoryLiabilityNoncurrent fact are: Context: i5f48d004550f4455a533f37449c88df4_I20221231, Unit: usd, Rule Element Id: 5976. aep-20221231.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:DefinedBenefitPlanWeightedAverageAssetAllocations has a value of -0.005 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:DefinedBenefitPlanWeightedAverageAssetAllocations fact are: Context: i873c90c115474610a034a3f35e7180d3_I20211231, Unit: number, Rule Element Id: 3203. aep-20221231.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:InvestmentOwnedUnrecognizedUnrealizedDepreciation has a value of -8300000 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:InvestmentOwnedUnrecognizedUnrealizedDepreciation fact are: Context: id970bd561a2445199535b983015a5be6_I20221231, Unit: usd, Rule Element Id: 3306. aep-20221231.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:AvailableForSaleSecuritiesGrossUnrealizedGains has a value of -3100000 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:AvailableForSaleSecuritiesGrossUnrealizedGains fact are: Context: i51ab494a3e264947891cda090f86a568_D20220101-20221231, Unit: usd, Rule Element Id: 7147. aep-20221231.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:AvailableForSaleSecuritiesGrossUnrealizedGains has a value of -3100000 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:AvailableForSaleSecuritiesGrossUnrealizedGains fact are: Context: i7492f3ef622644649f1ddc8bd39f4630_D20220101-20221231, Unit: usd, Rule Element Id: 7147. aep-20221231.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:AvailableForSaleSecuritiesGrossUnrealizedGains has a value of -7000000.0 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:AvailableForSaleSecuritiesGrossUnrealizedGains fact are: Context: i0a62df313cd3439ab6faa9d7249c84a9_D20220101-20221231, Unit: usd, Rule Element Id: 7147. aep-20221231.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:AvailableForSaleSecuritiesGrossUnrealizedGains has a value of -7000000.0 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:AvailableForSaleSecuritiesGrossUnrealizedGains fact are: Context: if9ddc55593624509b4276a258754eaa3_D20220101-20221231, Unit: usd, Rule Element Id: 7147. aep-20221231.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:AvailableForSaleSecuritiesGrossUnrealizedGains has a value of -10000000.0 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:AvailableForSaleSecuritiesGrossUnrealizedGains fact are: Context: i2a13d72adc764f95a0fc18ce3ac11e05_D20220101-20221231, Unit: usd, Rule Element Id: 7147. aep-20221231.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:AvailableForSaleSecuritiesGrossUnrealizedGains has a value of -10000000.0 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:AvailableForSaleSecuritiesGrossUnrealizedGains fact are: Context: i5f26c66e75a1462e8fa0181d8cf30320_D20220101-20221231, Unit: usd, Rule Element Id: 7147. aep-20221231.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:AssetsFairValueDisclosure has a value of -1245200000 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: i2beb2bae50544d2385c753e166843cf0_I20221231, Unit: usd, Rule Element Id: 282. aep-20221231.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:AssetsFairValueDisclosure has a value of -667100000 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: i17d6611756fa4bbe81cc5a510aba7017_I20211231, Unit: usd, Rule Element Id: 282. aep-20221231.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:AssetsFairValueDisclosure has a value of -600000 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: ia934d29f40f640209794434568fa5148_I20211231, Unit: usd, Rule Element Id: 282. aep-20221231.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: ic27e1d7affe247aa81f02a7a80ce9afb_I20221231, Unit: usd, Rule Element Id: 282. aep-20221231.htm 4 There are more than 100 warnings or errors, only 100 will be displayed. aep-20221231.htm aep-20221231.xsd aep-20221231_cal.xml aep-20221231_def.xml aep-20221231_lab.xml aep-20221231_pre.xml ex1020224q.htm ex10eaep20224q.htm ex10i2aaep20224q.htm ex10l1aep20224q.htm ex10maep20224q.htm ex10o2aaep20224q.htm ex2120224q.htm ex23aep20224q.htm ex23aeptco20224q.htm ex23aeptexas20224q.htm ex23apco20224q.htm ex23im20224q.htm ex23opco20224q.htm ex23pso20224q.htm ex23swepco20224q.htm ex24aep20224q.htm ex24aeptco20224q.htm ex24aeptexas20224q.htm ex24apco20224q.htm ex24im20224q.htm ex24opco20224q.htm ex24pso20224q.htm ex24swepco20224q.htm ex31aaep20224q.htm ex31aaeptco20224q.htm ex31aaeptexas20224q.htm ex31aapco20224q.htm ex31aim20224q.htm ex31aopco20224q.htm ex31apso20224q.htm ex31aswepco20224q.htm ex31baep20224q.htm ex31baeptco20224q.htm ex31baeptexas20224q.htm ex31bapco20224q.htm ex31bim20224q.htm ex31bopco20224q.htm ex31bpso20224q.htm ex31bswepco20224q.htm ex32aaep20224q.htm ex32aaeptco20224q.htm ex32aaeptexas20224q.htm ex32aapco20224q.htm ex32aim20224q.htm ex32aopco20224q.htm ex32apso20224q.htm ex32aswepco20224q.htm ex32baep20224q.htm ex32baeptco20224q.htm ex32baeptexas20224q.htm ex32bapco20224q.htm ex32bim20224q.htm ex32bopco20224q.htm ex32bpso20224q.htm ex32bswepco20224q.htm ex3aaep20224q.htm ex9520224q.htm aep-20221231_g1.jpg aep-20221231_g10.jpg aep-20221231_g11.jpg aep-20221231_g12.jpg aep-20221231_g13.jpg aep-20221231_g14.jpg aep-20221231_g15.jpg aep-20221231_g16.jpg aep-20221231_g17.jpg aep-20221231_g18.jpg aep-20221231_g19.jpg aep-20221231_g2.jpg aep-20221231_g20.jpg aep-20221231_g21.jpg aep-20221231_g22.jpg aep-20221231_g23.jpg aep-20221231_g24.jpg aep-20221231_g3.jpg aep-20221231_g4.jpg aep-20221231_g5.jpg aep-20221231_g6.jpg aep-20221231_g7.jpg aep-20221231_g8.jpg aep-20221231_g9.jpg http://fasb.org/us-gaap/2022 http://xbrl.sec.gov/dei/2022 true true