Comprehensive Income (Details) (USD $)
|
12 Months Ended |
Dec. 31, 2014
|
Dec. 31, 2013
|
Dec. 31, 2012
|
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |
|
|
|
|
|
|
Beginning Balance in AOCI |
$ (115,000,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax |
|
$ (337,000,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax |
|
|
|
Change in Fair Value Recognized in AOCI |
(8,000,000)aep_OtherComprehensiveIncomeUnrealizedGainLossArisingDuringPeriodNetOfTax |
|
192,000,000aep_OtherComprehensiveIncomeUnrealizedGainLossArisingDuringPeriodNetOfTax |
|
|
|
Amounts Reclassified from AOCI |
20,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax |
|
25,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax |
|
|
|
Net Current Period Other Comprehensive Income |
12,000,000us-gaap_OtherComprehensiveIncomeLossNetOfTax |
|
217,000,000us-gaap_OtherComprehensiveIncomeLossNetOfTax |
|
133,000,000us-gaap_OtherComprehensiveIncomeLossNetOfTax |
|
Pension and OPEB Adjustment Related to Mitchell Plant |
|
|
5,000,000aep_PensionAndOpebAdjustmentRelatedToMitchellPlant |
|
|
|
Ending Balance in AOCI |
(103,000,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax |
|
(115,000,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax |
|
(337,000,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax |
|
Commodity |
|
|
|
|
|
|
Vertically Integrated Utilities Revenues |
9,397,000,000us-gaap_ElectricUtilityRevenue |
|
9,347,000,000us-gaap_ElectricUtilityRevenue |
|
8,785,000,000us-gaap_ElectricUtilityRevenue |
|
Generation & Marketing Revenues |
686,000,000us-gaap_OtherSalesRevenueNet |
|
523,000,000us-gaap_OtherSalesRevenueNet |
|
619,000,000us-gaap_OtherSalesRevenueNet |
|
Purchased Electricity for Resale |
2,086,000,000us-gaap_CostOfPurchasedPower |
|
1,491,000,000us-gaap_CostOfPurchasedPower |
|
1,169,000,000us-gaap_CostOfPurchasedPower |
|
Other Operation Expense |
3,225,000,000us-gaap_UtilitiesOperatingExpenseOperations |
|
2,904,000,000us-gaap_UtilitiesOperatingExpenseOperations |
|
2,962,000,000us-gaap_UtilitiesOperatingExpenseOperations |
|
Maintenance Expense |
1,361,000,000us-gaap_UtilitiesOperatingExpenseMaintenance |
|
1,179,000,000us-gaap_UtilitiesOperatingExpenseMaintenance |
|
1,115,000,000us-gaap_UtilitiesOperatingExpenseMaintenance |
|
Interest Rate and Foreign Currency |
|
|
|
|
|
|
Depreciation and Amortization Expense |
1,929,000,000us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization |
|
1,743,000,000us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization |
|
1,782,000,000us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization |
|
Interest Expense |
885,000,000us-gaap_InterestExpense |
|
906,000,000us-gaap_InterestExpense |
|
988,000,000us-gaap_InterestExpense |
|
Income Tax (Expense) Credit |
(942,000,000)us-gaap_IncomeTaxExpenseBenefit |
|
(684,000,000)us-gaap_IncomeTaxExpenseBenefit |
|
(604,000,000)us-gaap_IncomeTaxExpenseBenefit |
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
20,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax |
|
25,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax |
|
|
|
Gains and Losses on Securities Available for Sale |
|
|
|
|
|
|
Interest Income |
7,000,000us-gaap_InvestmentIncomeNet |
|
58,000,000us-gaap_InvestmentIncomeNet |
|
8,000,000us-gaap_InvestmentIncomeNet |
|
Interest Expense |
885,000,000us-gaap_InterestExpense |
|
906,000,000us-gaap_InterestExpense |
|
988,000,000us-gaap_InterestExpense |
|
Income Tax (Expense) Credit |
(942,000,000)us-gaap_IncomeTaxExpenseBenefit |
|
(684,000,000)us-gaap_IncomeTaxExpenseBenefit |
|
(604,000,000)us-gaap_IncomeTaxExpenseBenefit |
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
20,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax |
|
25,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax |
|
|
|
Pension and OPEB |
|
|
|
|
|
|
Income Tax (Expense) Credit |
(942,000,000)us-gaap_IncomeTaxExpenseBenefit |
|
(684,000,000)us-gaap_IncomeTaxExpenseBenefit |
|
(604,000,000)us-gaap_IncomeTaxExpenseBenefit |
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
20,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax |
|
25,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
20,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax |
|
25,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax |
|
|
|
Total Accumulated Other Comprehensive Income (Loss) Activity for Cash Flow Hedges |
|
|
|
|
|
|
Balance in AOCI |
(23,000,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax |
|
|
|
|
|
Amount of (Gain) or Loss Reclassified from AOCI to Statement of Income/within Balance Sheet |
|
|
|
|
|
|
Vertically Integrated Utilities Revenues |
9,397,000,000us-gaap_ElectricUtilityRevenue |
|
9,347,000,000us-gaap_ElectricUtilityRevenue |
|
8,785,000,000us-gaap_ElectricUtilityRevenue |
|
Generation & Marketing Revenues |
686,000,000us-gaap_OtherSalesRevenueNet |
|
523,000,000us-gaap_OtherSalesRevenueNet |
|
619,000,000us-gaap_OtherSalesRevenueNet |
|
Purchased Electricity for Resale |
2,086,000,000us-gaap_CostOfPurchasedPower |
|
1,491,000,000us-gaap_CostOfPurchasedPower |
|
1,169,000,000us-gaap_CostOfPurchasedPower |
|
Other Operation Expense |
3,225,000,000us-gaap_UtilitiesOperatingExpenseOperations |
|
2,904,000,000us-gaap_UtilitiesOperatingExpenseOperations |
|
2,962,000,000us-gaap_UtilitiesOperatingExpenseOperations |
|
Maintenance Expense |
1,361,000,000us-gaap_UtilitiesOperatingExpenseMaintenance |
|
1,179,000,000us-gaap_UtilitiesOperatingExpenseMaintenance |
|
1,115,000,000us-gaap_UtilitiesOperatingExpenseMaintenance |
|
Depreciation and Amortization Expense |
1,929,000,000us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization |
|
1,743,000,000us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization |
|
1,782,000,000us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization |
|
Interest Expense |
885,000,000us-gaap_InterestExpense |
|
906,000,000us-gaap_InterestExpense |
|
988,000,000us-gaap_InterestExpense |
|
Balance in AOCI |
(18,000,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax |
|
(23,000,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax |
|
|
|
Total Accumulated Other Comprehensive Income (Loss) Activity for Securities Available for Sale |
|
|
|
|
|
|
Interest Income |
7,000,000us-gaap_InvestmentIncomeNet |
|
58,000,000us-gaap_InvestmentIncomeNet |
|
8,000,000us-gaap_InvestmentIncomeNet |
|
Cash Flow Hedges [Member] |
|
|
|
|
|
|
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |
|
|
|
|
|
|
Amounts Reclassified from AOCI |
15,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
3,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Commodity |
|
|
|
|
|
|
Subtotal - Commodity |
23,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
4,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Interest Rate and Foreign Currency |
|
|
|
|
|
|
Subtotal - Interest Rate and Foreign Currency |
23,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
4,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Reclassifications from AOCI, before Income Tax (Expense) Credit |
23,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
4,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
15,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
3,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Gains and Losses on Securities Available for Sale |
|
|
|
|
|
|
Reclassifications from AOCI, before Income Tax (Expense) Credit |
23,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
4,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
15,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
3,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Pension and OPEB |
|
|
|
|
|
|
Reclassifications from AOCI, before Income Tax (Expense) Credit |
23,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
4,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
15,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
3,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
15,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
3,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Total Accumulated Other Comprehensive Income (Loss) Activity for Cash Flow Hedges |
|
|
|
|
|
|
Balance in AOCI |
|
|
(38,000,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(23,000,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Changes in Fair Value Recognized in AOCI |
|
|
|
|
(29,000,000)us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Amount of (Gain) or Loss Reclassified from AOCI to Statement of Income/within Balance Sheet |
|
|
|
|
|
|
Balance in AOCI |
|
|
|
|
(38,000,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Securities Available for Sale [Member] |
|
|
|
|
|
|
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |
|
|
|
|
|
|
Beginning Balance in AOCI |
7,000,000us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember |
|
4,000,000us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember |
|
|
|
Change in Fair Value Recognized in AOCI |
1,000,000aep_OtherComprehensiveIncomeUnrealizedGainLossArisingDuringPeriodNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember |
|
3,000,000aep_OtherComprehensiveIncomeUnrealizedGainLossArisingDuringPeriodNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember |
|
|
|
Amounts Reclassified from AOCI |
0us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember |
|
0us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember |
|
|
|
Net Current Period Other Comprehensive Income |
1,000,000us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember |
|
3,000,000us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember |
|
|
|
Pension and OPEB Adjustment Related to Mitchell Plant |
|
|
0aep_PensionAndOpebAdjustmentRelatedToMitchellPlant / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember |
|
|
|
Ending Balance in AOCI |
8,000,000us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember |
|
7,000,000us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember |
|
4,000,000us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember |
|
Interest Rate and Foreign Currency |
|
|
|
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
0us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember |
|
0us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember |
|
|
|
Gains and Losses on Securities Available for Sale |
|
|
|
|
|
|
Interest Income |
|
|
|
|
0us-gaap_InvestmentIncomeNet / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember |
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
0us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember |
|
0us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember |
|
|
|
Pension and OPEB |
|
|
|
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
0us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember |
|
0us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
0us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember |
|
0us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember |
|
|
|
Total Accumulated Other Comprehensive Income (Loss) Activity for Securities Available for Sale |
|
|
|
|
|
|
Balance in AOCI |
|
|
4,000,000us-gaap_AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember |
|
2,000,000us-gaap_AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember |
|
Changes in Fair Value Recognized in AOCI |
|
|
|
|
2,000,000us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember |
|
Interest Income |
|
|
|
|
0us-gaap_InvestmentIncomeNet / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember |
|
Balance in AOCI |
|
|
|
|
4,000,000us-gaap_AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember |
|
Pension and OPEB [Member] |
|
|
|
|
|
|
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |
|
|
|
|
|
|
Amounts Reclassified from AOCI |
5,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
22,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Commodity |
|
|
|
|
|
|
Subtotal - Commodity |
8,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
34,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Interest Rate and Foreign Currency |
|
|
|
|
|
|
Subtotal - Interest Rate and Foreign Currency |
8,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
34,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Reclassifications from AOCI, before Income Tax (Expense) Credit |
8,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
34,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
5,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
22,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Gains and Losses on Securities Available for Sale |
|
|
|
|
|
|
Reclassifications from AOCI, before Income Tax (Expense) Credit |
8,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
34,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
5,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
22,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Pension and OPEB |
|
|
|
|
|
|
Amortization of Prior Service Cost (Credit) |
(21,000,000)us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
(21,000,000)us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Amortization of Actuarial Gain (Loss) |
29,000,000us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
55,000,000us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Reclassifications from AOCI, before Income Tax (Expense) Credit |
8,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
34,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
5,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
22,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
5,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
22,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Pension and OPEB [Member] | Amortization of Deferred Costs [Member] |
|
|
|
|
|
|
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |
|
|
|
|
|
|
Beginning Balance in AOCI |
134,000,000us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
112,000,000us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Change in Fair Value Recognized in AOCI |
0aep_OtherComprehensiveIncomeUnrealizedGainLossArisingDuringPeriodNetOfTax / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
0aep_OtherComprehensiveIncomeUnrealizedGainLossArisingDuringPeriodNetOfTax / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Amounts Reclassified from AOCI |
5,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
22,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Net Current Period Other Comprehensive Income |
5,000,000us-gaap_OtherComprehensiveIncomeLossNetOfTax / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
22,000,000us-gaap_OtherComprehensiveIncomeLossNetOfTax / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Pension and OPEB Adjustment Related to Mitchell Plant |
|
|
0aep_PensionAndOpebAdjustmentRelatedToMitchellPlant / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Ending Balance in AOCI |
139,000,000us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
134,000,000us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Interest Rate and Foreign Currency |
|
|
|
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
5,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
22,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Gains and Losses on Securities Available for Sale |
|
|
|
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
5,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
22,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Pension and OPEB |
|
|
|
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
5,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
22,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
5,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
22,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Pension and OPEB [Member] | Changes in Funded Status [Member] |
|
|
|
|
|
|
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |
|
|
|
|
|
|
Beginning Balance in AOCI |
(233,000,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
(415,000,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Change in Fair Value Recognized in AOCI |
1,000,000aep_OtherComprehensiveIncomeUnrealizedGainLossArisingDuringPeriodNetOfTax / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
177,000,000aep_OtherComprehensiveIncomeUnrealizedGainLossArisingDuringPeriodNetOfTax / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Amounts Reclassified from AOCI |
0us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
0us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Net Current Period Other Comprehensive Income |
1,000,000us-gaap_OtherComprehensiveIncomeLossNetOfTax / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
177,000,000us-gaap_OtherComprehensiveIncomeLossNetOfTax / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Pension and OPEB Adjustment Related to Mitchell Plant |
|
|
5,000,000aep_PensionAndOpebAdjustmentRelatedToMitchellPlant / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Ending Balance in AOCI |
(232,000,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
(233,000,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Interest Rate and Foreign Currency |
|
|
|
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
0us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
0us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Gains and Losses on Securities Available for Sale |
|
|
|
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
0us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
0us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Pension and OPEB |
|
|
|
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
0us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
0us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
0us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
0us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Accumulated Other Comprehensive Income [Member] |
|
|
|
|
|
|
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |
|
|
|
|
|
|
Net Current Period Other Comprehensive Income |
12,000,000us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember |
|
217,000,000us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember |
|
133,000,000us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember |
|
Pension and OPEB Adjustment Related to Mitchell Plant |
|
|
5,000,000aep_PensionAndOpebAdjustmentRelatedToMitchellPlant / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember |
|
|
|
Commodity [Member] |
|
|
|
|
|
|
Amount of (Gain) or Loss Reclassified from AOCI to Statement of Income/within Balance Sheet |
|
|
|
|
|
|
Balance in AOCI |
1,000,000us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember |
|
0us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember |
|
|
|
Commodity [Member] | Cash Flow Hedges [Member] |
|
|
|
|
|
|
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |
|
|
|
|
|
|
Beginning Balance in AOCI |
0us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(8,000,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Change in Fair Value Recognized in AOCI |
(10,000,000)aep_OtherComprehensiveIncomeUnrealizedGainLossArisingDuringPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
10,000,000aep_OtherComprehensiveIncomeUnrealizedGainLossArisingDuringPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Amounts Reclassified from AOCI |
11,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(2,000,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Net Current Period Other Comprehensive Income |
1,000,000us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
8,000,000us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Pension and OPEB Adjustment Related to Mitchell Plant |
|
|
0aep_PensionAndOpebAdjustmentRelatedToMitchellPlant / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Ending Balance in AOCI |
1,000,000us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
0us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(8,000,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Commodity |
|
|
|
|
|
|
Subtotal - Commodity |
17,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(3,000,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Interest Rate and Foreign Currency |
|
|
|
|
|
|
Subtotal - Interest Rate and Foreign Currency |
17,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(3,000,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Reclassifications from AOCI, before Income Tax (Expense) Credit |
17,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(3,000,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
11,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(2,000,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Gains and Losses on Securities Available for Sale |
|
|
|
|
|
|
Reclassifications from AOCI, before Income Tax (Expense) Credit |
17,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(3,000,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
11,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(2,000,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Pension and OPEB |
|
|
|
|
|
|
Reclassifications from AOCI, before Income Tax (Expense) Credit |
17,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(3,000,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
11,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(2,000,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
11,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(2,000,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Total Accumulated Other Comprehensive Income (Loss) Activity for Cash Flow Hedges |
|
|
|
|
|
|
Balance in AOCI |
|
|
(8,000,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(3,000,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Changes in Fair Value Recognized in AOCI |
|
|
|
|
(15,000,000)us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Amount of (Gain) or Loss Reclassified from AOCI to Statement of Income/within Balance Sheet |
|
|
|
|
|
|
Balance in AOCI |
|
|
|
|
(8,000,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Interest Rate and Foreign Currency [Member] |
|
|
|
|
|
|
Amount of (Gain) or Loss Reclassified from AOCI to Statement of Income/within Balance Sheet |
|
|
|
|
|
|
Balance in AOCI |
(19,000,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember |
|
(23,000,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember |
|
|
|
Interest Rate and Foreign Currency [Member] | Cash Flow Hedges [Member] |
|
|
|
|
|
|
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |
|
|
|
|
|
|
Beginning Balance in AOCI |
(23,000,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(30,000,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Change in Fair Value Recognized in AOCI |
0aep_OtherComprehensiveIncomeUnrealizedGainLossArisingDuringPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
2,000,000aep_OtherComprehensiveIncomeUnrealizedGainLossArisingDuringPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Amounts Reclassified from AOCI |
4,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
5,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Net Current Period Other Comprehensive Income |
4,000,000us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
7,000,000us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Pension and OPEB Adjustment Related to Mitchell Plant |
|
|
0aep_PensionAndOpebAdjustmentRelatedToMitchellPlant / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Ending Balance in AOCI |
(19,000,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(23,000,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(30,000,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Commodity |
|
|
|
|
|
|
Subtotal - Commodity |
6,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
7,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Interest Rate and Foreign Currency |
|
|
|
|
|
|
Subtotal - Interest Rate and Foreign Currency |
6,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
7,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Reclassifications from AOCI, before Income Tax (Expense) Credit |
6,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
7,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
4,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
5,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Gains and Losses on Securities Available for Sale |
|
|
|
|
|
|
Reclassifications from AOCI, before Income Tax (Expense) Credit |
6,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
7,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
4,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
5,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Pension and OPEB |
|
|
|
|
|
|
Reclassifications from AOCI, before Income Tax (Expense) Credit |
6,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
7,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
4,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
5,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
4,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
5,000,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Total Accumulated Other Comprehensive Income (Loss) Activity for Cash Flow Hedges |
|
|
|
|
|
|
Balance in AOCI |
|
|
(30,000,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(20,000,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Changes in Fair Value Recognized in AOCI |
|
|
|
|
(14,000,000)us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Amount of (Gain) or Loss Reclassified from AOCI to Statement of Income/within Balance Sheet |
|
|
|
|
|
|
Balance in AOCI |
|
|
|
|
(30,000,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Reclassifications from Accumulated Other Comprehensive Income [Member] | Cash Flow Hedges [Member] |
|
|
|
|
|
|
Commodity |
|
|
|
|
|
|
Vertically Integrated Utilities Revenues |
|
|
|
|
0us-gaap_ElectricUtilityRevenue / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Generation & Marketing Revenues |
|
|
|
|
(5,000,000)us-gaap_OtherSalesRevenueNet / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Purchased Electricity for Resale |
|
|
|
|
13,000,000us-gaap_CostOfPurchasedPower / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Other Operation Expense |
|
|
|
|
0us-gaap_UtilitiesOperatingExpenseOperations / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Maintenance Expense |
|
|
|
|
0us-gaap_UtilitiesOperatingExpenseMaintenance / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Property, Plant and Equipment |
|
|
|
|
0aep_ReclassificationsIntoPropertyPlantAndEquipment / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Regulatory Assets/(Liabilities), Net |
|
|
|
|
2,000,000aep_ReclassificationsIntoRegulatoryAssetsOrLiabilitiesNet / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
[1] |
Interest Rate and Foreign Currency |
|
|
|
|
|
|
Interest Expense |
|
|
|
|
4,000,000us-gaap_InterestExpense / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Income Tax (Expense) Credit |
8,000,000us-gaap_IncomeTaxExpenseBenefit / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
1,000,000us-gaap_IncomeTaxExpenseBenefit / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Gains and Losses on Securities Available for Sale |
|
|
|
|
|
|
Interest Expense |
|
|
|
|
4,000,000us-gaap_InterestExpense / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Income Tax (Expense) Credit |
8,000,000us-gaap_IncomeTaxExpenseBenefit / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
1,000,000us-gaap_IncomeTaxExpenseBenefit / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Pension and OPEB |
|
|
|
|
|
|
Income Tax (Expense) Credit |
8,000,000us-gaap_IncomeTaxExpenseBenefit / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
1,000,000us-gaap_IncomeTaxExpenseBenefit / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Amount of (Gain) or Loss Reclassified from AOCI to Statement of Income/within Balance Sheet |
|
|
|
|
|
|
Vertically Integrated Utilities Revenues |
|
|
|
|
0us-gaap_ElectricUtilityRevenue / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Generation & Marketing Revenues |
|
|
|
|
(5,000,000)us-gaap_OtherSalesRevenueNet / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Purchased Electricity for Resale |
|
|
|
|
13,000,000us-gaap_CostOfPurchasedPower / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Other Operation Expense |
|
|
|
|
0us-gaap_UtilitiesOperatingExpenseOperations / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Maintenance Expense |
|
|
|
|
0us-gaap_UtilitiesOperatingExpenseMaintenance / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Interest Expense |
|
|
|
|
4,000,000us-gaap_InterestExpense / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Property, Plant and Equipment |
|
|
|
|
0aep_ReclassificationsIntoPropertyPlantAndEquipment / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Regulatory Assets |
|
|
|
|
2,000,000aep_ReclassificationsIntoRegulatoryAssetsOrLiabilitiesNet / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
[1] |
Reclassifications from Accumulated Other Comprehensive Income [Member] | Pension and OPEB [Member] |
|
|
|
|
|
|
Interest Rate and Foreign Currency |
|
|
|
|
|
|
Income Tax (Expense) Credit |
3,000,000us-gaap_IncomeTaxExpenseBenefit / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
12,000,000us-gaap_IncomeTaxExpenseBenefit / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Gains and Losses on Securities Available for Sale |
|
|
|
|
|
|
Income Tax (Expense) Credit |
3,000,000us-gaap_IncomeTaxExpenseBenefit / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
12,000,000us-gaap_IncomeTaxExpenseBenefit / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Pension and OPEB |
|
|
|
|
|
|
Income Tax (Expense) Credit |
3,000,000us-gaap_IncomeTaxExpenseBenefit / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
12,000,000us-gaap_IncomeTaxExpenseBenefit / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Reclassifications from Accumulated Other Comprehensive Income [Member] | Commodity [Member] | Cash Flow Hedges [Member] |
|
|
|
|
|
|
Commodity |
|
|
|
|
|
|
Vertically Integrated Utilities Revenues |
0us-gaap_ElectricUtilityRevenue / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(1,000,000)us-gaap_ElectricUtilityRevenue / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
0us-gaap_ElectricUtilityRevenue / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Generation & Marketing Revenues |
59,000,000us-gaap_OtherSalesRevenueNet / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(10,000,000)us-gaap_OtherSalesRevenueNet / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(5,000,000)us-gaap_OtherSalesRevenueNet / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Purchased Electricity for Resale |
(39,000,000)us-gaap_CostOfPurchasedPower / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
8,000,000us-gaap_CostOfPurchasedPower / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
13,000,000us-gaap_CostOfPurchasedPower / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Other Operation Expense |
|
|
|
|
0us-gaap_UtilitiesOperatingExpenseOperations / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Maintenance Expense |
|
|
|
|
0us-gaap_UtilitiesOperatingExpenseMaintenance / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Property, Plant and Equipment |
|
|
|
|
0aep_ReclassificationsIntoPropertyPlantAndEquipment / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Regulatory Assets/(Liabilities), Net |
(3,000,000)aep_ReclassificationsIntoRegulatoryAssetsOrLiabilitiesNet / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
[1] |
0aep_ReclassificationsIntoRegulatoryAssetsOrLiabilitiesNet / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
[1] |
2,000,000aep_ReclassificationsIntoRegulatoryAssetsOrLiabilitiesNet / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
[1] |
Interest Rate and Foreign Currency |
|
|
|
|
|
|
Interest Expense |
|
|
|
|
0us-gaap_InterestExpense / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Gains and Losses on Securities Available for Sale |
|
|
|
|
|
|
Interest Expense |
|
|
|
|
0us-gaap_InterestExpense / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Amount of (Gain) or Loss Reclassified from AOCI to Statement of Income/within Balance Sheet |
|
|
|
|
|
|
Vertically Integrated Utilities Revenues |
0us-gaap_ElectricUtilityRevenue / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(1,000,000)us-gaap_ElectricUtilityRevenue / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
0us-gaap_ElectricUtilityRevenue / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Generation & Marketing Revenues |
59,000,000us-gaap_OtherSalesRevenueNet / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(10,000,000)us-gaap_OtherSalesRevenueNet / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(5,000,000)us-gaap_OtherSalesRevenueNet / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Purchased Electricity for Resale |
(39,000,000)us-gaap_CostOfPurchasedPower / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
8,000,000us-gaap_CostOfPurchasedPower / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
13,000,000us-gaap_CostOfPurchasedPower / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Other Operation Expense |
|
|
|
|
0us-gaap_UtilitiesOperatingExpenseOperations / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Maintenance Expense |
|
|
|
|
0us-gaap_UtilitiesOperatingExpenseMaintenance / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Interest Expense |
|
|
|
|
0us-gaap_InterestExpense / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Property, Plant and Equipment |
|
|
|
|
0aep_ReclassificationsIntoPropertyPlantAndEquipment / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Regulatory Assets |
(3,000,000)aep_ReclassificationsIntoRegulatoryAssetsOrLiabilitiesNet / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
[1] |
0aep_ReclassificationsIntoRegulatoryAssetsOrLiabilitiesNet / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
[1] |
2,000,000aep_ReclassificationsIntoRegulatoryAssetsOrLiabilitiesNet / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
[1] |
Reclassifications from Accumulated Other Comprehensive Income [Member] | Interest Rate and Foreign Currency [Member] | Cash Flow Hedges [Member] |
|
|
|
|
|
|
Commodity |
|
|
|
|
|
|
Vertically Integrated Utilities Revenues |
|
|
|
|
0us-gaap_ElectricUtilityRevenue / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Generation & Marketing Revenues |
|
|
|
|
0us-gaap_OtherSalesRevenueNet / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Purchased Electricity for Resale |
|
|
|
|
0us-gaap_CostOfPurchasedPower / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Other Operation Expense |
|
|
|
|
0us-gaap_UtilitiesOperatingExpenseOperations / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Maintenance Expense |
|
|
|
|
0us-gaap_UtilitiesOperatingExpenseMaintenance / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Property, Plant and Equipment |
|
|
|
|
0aep_ReclassificationsIntoPropertyPlantAndEquipment / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Regulatory Assets/(Liabilities), Net |
|
|
|
|
0aep_ReclassificationsIntoRegulatoryAssetsOrLiabilitiesNet / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
[1] |
Interest Rate and Foreign Currency |
|
|
|
|
|
|
Interest Expense |
6,000,000us-gaap_InterestExpense / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
7,000,000us-gaap_InterestExpense / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
4,000,000us-gaap_InterestExpense / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Gains and Losses on Securities Available for Sale |
|
|
|
|
|
|
Interest Expense |
6,000,000us-gaap_InterestExpense / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
7,000,000us-gaap_InterestExpense / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
4,000,000us-gaap_InterestExpense / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Amount of (Gain) or Loss Reclassified from AOCI to Statement of Income/within Balance Sheet |
|
|
|
|
|
|
Vertically Integrated Utilities Revenues |
|
|
|
|
0us-gaap_ElectricUtilityRevenue / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Generation & Marketing Revenues |
|
|
|
|
0us-gaap_OtherSalesRevenueNet / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Purchased Electricity for Resale |
|
|
|
|
0us-gaap_CostOfPurchasedPower / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Other Operation Expense |
|
|
|
|
0us-gaap_UtilitiesOperatingExpenseOperations / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Maintenance Expense |
|
|
|
|
0us-gaap_UtilitiesOperatingExpenseMaintenance / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Interest Expense |
6,000,000us-gaap_InterestExpense / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
7,000,000us-gaap_InterestExpense / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
4,000,000us-gaap_InterestExpense / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Property, Plant and Equipment |
|
|
|
|
0aep_ReclassificationsIntoPropertyPlantAndEquipment / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Regulatory Assets |
|
|
|
|
0aep_ReclassificationsIntoRegulatoryAssetsOrLiabilitiesNet / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
[1] |
Appalachian Power Co [Member] |
|
|
|
|
|
|
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |
|
|
|
|
|
|
Beginning Balance in AOCI |
2,951,000us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember |
|
(29,898,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember |
|
|
|
Change in Fair Value Recognized in AOCI |
4,388,000aep_OtherComprehensiveIncomeUnrealizedGainLossArisingDuringPeriodNetOfTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember |
|
30,433,000aep_OtherComprehensiveIncomeUnrealizedGainLossArisingDuringPeriodNetOfTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember |
|
|
|
Amounts Reclassified from AOCI |
(2,307,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember |
|
2,416,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember |
|
|
|
Net Current Period Other Comprehensive Income |
2,081,000us-gaap_OtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember |
|
32,849,000us-gaap_OtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember |
|
28,645,000us-gaap_OtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember |
|
Ending Balance in AOCI |
5,032,000us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember |
|
2,951,000us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember |
|
(29,898,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember |
|
Commodity |
|
|
|
|
|
|
Vertically Integrated Utilities Revenues |
2,899,402,000us-gaap_ElectricUtilityRevenue / dei_LegalEntityAxis = aep_AppalachianPowerCoMember |
|
3,059,577,000us-gaap_ElectricUtilityRevenue / dei_LegalEntityAxis = aep_AppalachianPowerCoMember |
|
2,948,762,000us-gaap_ElectricUtilityRevenue / dei_LegalEntityAxis = aep_AppalachianPowerCoMember |
|
Generation & Marketing Revenues |
9,239,000us-gaap_OtherSalesRevenueNet / dei_LegalEntityAxis = aep_AppalachianPowerCoMember |
|
10,345,000us-gaap_OtherSalesRevenueNet / dei_LegalEntityAxis = aep_AppalachianPowerCoMember |
|
9,970,000us-gaap_OtherSalesRevenueNet / dei_LegalEntityAxis = aep_AppalachianPowerCoMember |
|
Purchased Electricity for Resale |
456,622,000us-gaap_CostOfPurchasedPower / dei_LegalEntityAxis = aep_AppalachianPowerCoMember |
|
232,702,000us-gaap_CostOfPurchasedPower / dei_LegalEntityAxis = aep_AppalachianPowerCoMember |
|
211,133,000us-gaap_CostOfPurchasedPower / dei_LegalEntityAxis = aep_AppalachianPowerCoMember |
|
Other Operation Expense |
427,726,000us-gaap_UtilitiesOperatingExpenseOperations / dei_LegalEntityAxis = aep_AppalachianPowerCoMember |
|
311,975,000us-gaap_UtilitiesOperatingExpenseOperations / dei_LegalEntityAxis = aep_AppalachianPowerCoMember |
|
332,936,000us-gaap_UtilitiesOperatingExpenseOperations / dei_LegalEntityAxis = aep_AppalachianPowerCoMember |
|
Maintenance Expense |
259,348,000us-gaap_UtilitiesOperatingExpenseMaintenance / dei_LegalEntityAxis = aep_AppalachianPowerCoMember |
|
273,164,000us-gaap_UtilitiesOperatingExpenseMaintenance / dei_LegalEntityAxis = aep_AppalachianPowerCoMember |
|
211,702,000us-gaap_UtilitiesOperatingExpenseMaintenance / dei_LegalEntityAxis = aep_AppalachianPowerCoMember |
|
Interest Rate and Foreign Currency |
|
|
|
|
|
|
Depreciation and Amortization Expense |
400,882,000us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization / dei_LegalEntityAxis = aep_AppalachianPowerCoMember |
|
342,643,000us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization / dei_LegalEntityAxis = aep_AppalachianPowerCoMember |
|
344,293,000us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization / dei_LegalEntityAxis = aep_AppalachianPowerCoMember |
|
Interest Expense |
209,570,000us-gaap_InterestExpense / dei_LegalEntityAxis = aep_AppalachianPowerCoMember |
|
192,982,000us-gaap_InterestExpense / dei_LegalEntityAxis = aep_AppalachianPowerCoMember |
|
202,074,000us-gaap_InterestExpense / dei_LegalEntityAxis = aep_AppalachianPowerCoMember |
|
Income Tax (Expense) Credit |
(154,928,000)us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_AppalachianPowerCoMember |
|
(132,935,000)us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_AppalachianPowerCoMember |
|
(165,527,000)us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_AppalachianPowerCoMember |
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
(2,307,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember |
|
2,416,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember |
|
|
|
Gains and Losses on Securities Available for Sale |
|
|
|
|
|
|
Interest Expense |
209,570,000us-gaap_InterestExpense / dei_LegalEntityAxis = aep_AppalachianPowerCoMember |
|
192,982,000us-gaap_InterestExpense / dei_LegalEntityAxis = aep_AppalachianPowerCoMember |
|
202,074,000us-gaap_InterestExpense / dei_LegalEntityAxis = aep_AppalachianPowerCoMember |
|
Income Tax (Expense) Credit |
(154,928,000)us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_AppalachianPowerCoMember |
|
(132,935,000)us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_AppalachianPowerCoMember |
|
(165,527,000)us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_AppalachianPowerCoMember |
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
(2,307,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember |
|
2,416,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember |
|
|
|
Pension and OPEB |
|
|
|
|
|
|
Income Tax (Expense) Credit |
(154,928,000)us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_AppalachianPowerCoMember |
|
(132,935,000)us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_AppalachianPowerCoMember |
|
(165,527,000)us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_AppalachianPowerCoMember |
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
(2,307,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember |
|
2,416,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
(2,307,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember |
|
2,416,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember |
|
|
|
Amount of (Gain) or Loss Reclassified from AOCI to Statement of Income/within Balance Sheet |
|
|
|
|
|
|
Vertically Integrated Utilities Revenues |
2,899,402,000us-gaap_ElectricUtilityRevenue / dei_LegalEntityAxis = aep_AppalachianPowerCoMember |
|
3,059,577,000us-gaap_ElectricUtilityRevenue / dei_LegalEntityAxis = aep_AppalachianPowerCoMember |
|
2,948,762,000us-gaap_ElectricUtilityRevenue / dei_LegalEntityAxis = aep_AppalachianPowerCoMember |
|
Generation & Marketing Revenues |
9,239,000us-gaap_OtherSalesRevenueNet / dei_LegalEntityAxis = aep_AppalachianPowerCoMember |
|
10,345,000us-gaap_OtherSalesRevenueNet / dei_LegalEntityAxis = aep_AppalachianPowerCoMember |
|
9,970,000us-gaap_OtherSalesRevenueNet / dei_LegalEntityAxis = aep_AppalachianPowerCoMember |
|
Purchased Electricity for Resale |
456,622,000us-gaap_CostOfPurchasedPower / dei_LegalEntityAxis = aep_AppalachianPowerCoMember |
|
232,702,000us-gaap_CostOfPurchasedPower / dei_LegalEntityAxis = aep_AppalachianPowerCoMember |
|
211,133,000us-gaap_CostOfPurchasedPower / dei_LegalEntityAxis = aep_AppalachianPowerCoMember |
|
Other Operation Expense |
427,726,000us-gaap_UtilitiesOperatingExpenseOperations / dei_LegalEntityAxis = aep_AppalachianPowerCoMember |
|
311,975,000us-gaap_UtilitiesOperatingExpenseOperations / dei_LegalEntityAxis = aep_AppalachianPowerCoMember |
|
332,936,000us-gaap_UtilitiesOperatingExpenseOperations / dei_LegalEntityAxis = aep_AppalachianPowerCoMember |
|
Maintenance Expense |
259,348,000us-gaap_UtilitiesOperatingExpenseMaintenance / dei_LegalEntityAxis = aep_AppalachianPowerCoMember |
|
273,164,000us-gaap_UtilitiesOperatingExpenseMaintenance / dei_LegalEntityAxis = aep_AppalachianPowerCoMember |
|
211,702,000us-gaap_UtilitiesOperatingExpenseMaintenance / dei_LegalEntityAxis = aep_AppalachianPowerCoMember |
|
Depreciation and Amortization Expense |
400,882,000us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization / dei_LegalEntityAxis = aep_AppalachianPowerCoMember |
|
342,643,000us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization / dei_LegalEntityAxis = aep_AppalachianPowerCoMember |
|
344,293,000us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization / dei_LegalEntityAxis = aep_AppalachianPowerCoMember |
|
Interest Expense |
209,570,000us-gaap_InterestExpense / dei_LegalEntityAxis = aep_AppalachianPowerCoMember |
|
192,982,000us-gaap_InterestExpense / dei_LegalEntityAxis = aep_AppalachianPowerCoMember |
|
202,074,000us-gaap_InterestExpense / dei_LegalEntityAxis = aep_AppalachianPowerCoMember |
|
Appalachian Power Co [Member] | Cash Flow Hedges [Member] |
|
|
|
|
|
|
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |
|
|
|
|
|
|
Amounts Reclassified from AOCI |
(974,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
983,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Commodity |
|
|
|
|
|
|
Subtotal - Commodity |
(1,498,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
1,513,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Interest Rate and Foreign Currency |
|
|
|
|
|
|
Subtotal - Interest Rate and Foreign Currency |
(1,498,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
1,513,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Reclassifications from AOCI, before Income Tax (Expense) Credit |
(1,498,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
1,513,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
(974,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
983,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Gains and Losses on Securities Available for Sale |
|
|
|
|
|
|
Reclassifications from AOCI, before Income Tax (Expense) Credit |
(1,498,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
1,513,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
(974,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
983,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Pension and OPEB |
|
|
|
|
|
|
Reclassifications from AOCI, before Income Tax (Expense) Credit |
(1,498,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
1,513,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
(974,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
983,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
(974,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
983,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Total Accumulated Other Comprehensive Income (Loss) Activity for Cash Flow Hedges |
|
|
|
|
|
|
Balance in AOCI |
|
|
1,433,000us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(285,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Changes in Fair Value Recognized in AOCI |
|
|
|
|
(1,310,000)us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Amount of (Gain) or Loss Reclassified from AOCI to Statement of Income/within Balance Sheet |
|
|
|
|
|
|
Balance in AOCI |
|
|
|
|
1,433,000us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Appalachian Power Co [Member] | Pension and OPEB [Member] |
|
|
|
|
|
|
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |
|
|
|
|
|
|
Amounts Reclassified from AOCI |
(1,333,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
1,433,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Commodity |
|
|
|
|
|
|
Subtotal - Commodity |
(2,050,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
2,205,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Interest Rate and Foreign Currency |
|
|
|
|
|
|
Subtotal - Interest Rate and Foreign Currency |
(2,050,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
2,205,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Reclassifications from AOCI, before Income Tax (Expense) Credit |
(2,050,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
2,205,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
(1,333,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
1,433,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Gains and Losses on Securities Available for Sale |
|
|
|
|
|
|
Reclassifications from AOCI, before Income Tax (Expense) Credit |
(2,050,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
2,205,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
(1,333,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
1,433,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Pension and OPEB |
|
|
|
|
|
|
Amortization of Prior Service Cost (Credit) |
(5,129,000)us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
(5,129,000)us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Amortization of Actuarial Gain (Loss) |
3,079,000us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
7,334,000us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Reclassifications from AOCI, before Income Tax (Expense) Credit |
(2,050,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
2,205,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
(1,333,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
1,433,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
(1,333,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
1,433,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Appalachian Power Co [Member] | Pension and OPEB [Member] | Amortization of Deferred Costs [Member] |
|
|
|
|
|
|
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |
|
|
|
|
|
|
Beginning Balance in AOCI |
20,551,000us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
19,118,000us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Change in Fair Value Recognized in AOCI |
0aep_OtherComprehensiveIncomeUnrealizedGainLossArisingDuringPeriodNetOfTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
0aep_OtherComprehensiveIncomeUnrealizedGainLossArisingDuringPeriodNetOfTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Amounts Reclassified from AOCI |
(1,333,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
1,433,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Net Current Period Other Comprehensive Income |
(1,333,000)us-gaap_OtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
1,433,000us-gaap_OtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Ending Balance in AOCI |
19,218,000us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
20,551,000us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Interest Rate and Foreign Currency |
|
|
|
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
(1,333,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
1,433,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Gains and Losses on Securities Available for Sale |
|
|
|
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
(1,333,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
1,433,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Pension and OPEB |
|
|
|
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
(1,333,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
1,433,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
(1,333,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
1,433,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Appalachian Power Co [Member] | Pension and OPEB [Member] | Changes in Funded Status [Member] |
|
|
|
|
|
|
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |
|
|
|
|
|
|
Beginning Balance in AOCI |
(20,784,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
(50,449,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Change in Fair Value Recognized in AOCI |
2,702,000aep_OtherComprehensiveIncomeUnrealizedGainLossArisingDuringPeriodNetOfTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
29,665,000aep_OtherComprehensiveIncomeUnrealizedGainLossArisingDuringPeriodNetOfTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Amounts Reclassified from AOCI |
0us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
0us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Net Current Period Other Comprehensive Income |
2,702,000us-gaap_OtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
29,665,000us-gaap_OtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Ending Balance in AOCI |
(18,082,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
(20,784,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Interest Rate and Foreign Currency |
|
|
|
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
0us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
0us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Gains and Losses on Securities Available for Sale |
|
|
|
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
0us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
0us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Pension and OPEB |
|
|
|
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
0us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
0us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
0us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
0us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Appalachian Power Co [Member] | Accumulated Other Comprehensive Income [Member] |
|
|
|
|
|
|
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |
|
|
|
|
|
|
Net Current Period Other Comprehensive Income |
2,081,000us-gaap_OtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember |
|
32,849,000us-gaap_OtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember |
|
28,645,000us-gaap_OtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember |
|
Appalachian Power Co [Member] | Commodity [Member] |
|
|
|
|
|
|
Amount of (Gain) or Loss Reclassified from AOCI to Statement of Income/within Balance Sheet |
|
|
|
|
|
|
Balance in AOCI |
0us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember |
|
94,000us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember |
|
|
|
Appalachian Power Co [Member] | Commodity [Member] | Cash Flow Hedges [Member] |
|
|
|
|
|
|
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |
|
|
|
|
|
|
Beginning Balance in AOCI |
94,000us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(644,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Change in Fair Value Recognized in AOCI |
1,686,000aep_OtherComprehensiveIncomeUnrealizedGainLossArisingDuringPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
768,000aep_OtherComprehensiveIncomeUnrealizedGainLossArisingDuringPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Amounts Reclassified from AOCI |
(1,780,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(30,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Net Current Period Other Comprehensive Income |
(94,000)us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
738,000us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Ending Balance in AOCI |
0us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
94,000us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(644,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Commodity |
|
|
|
|
|
|
Subtotal - Commodity |
(2,739,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(46,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Interest Rate and Foreign Currency |
|
|
|
|
|
|
Subtotal - Interest Rate and Foreign Currency |
(2,739,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(46,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Reclassifications from AOCI, before Income Tax (Expense) Credit |
(2,739,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(46,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
(1,780,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(30,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Gains and Losses on Securities Available for Sale |
|
|
|
|
|
|
Reclassifications from AOCI, before Income Tax (Expense) Credit |
(2,739,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(46,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
(1,780,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(30,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Pension and OPEB |
|
|
|
|
|
|
Reclassifications from AOCI, before Income Tax (Expense) Credit |
(2,739,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(46,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
(1,780,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(30,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
(1,780,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(30,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Total Accumulated Other Comprehensive Income (Loss) Activity for Cash Flow Hedges |
|
|
|
|
|
|
Balance in AOCI |
|
|
(644,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(1,309,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Changes in Fair Value Recognized in AOCI |
|
|
|
|
(1,310,000)us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Amount of (Gain) or Loss Reclassified from AOCI to Statement of Income/within Balance Sheet |
|
|
|
|
|
|
Balance in AOCI |
|
|
|
|
(644,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Appalachian Power Co [Member] | Interest Rate and Foreign Currency [Member] |
|
|
|
|
|
|
Amount of (Gain) or Loss Reclassified from AOCI to Statement of Income/within Balance Sheet |
|
|
|
|
|
|
Balance in AOCI |
3,896,000us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember |
|
3,090,000us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember |
|
|
|
Appalachian Power Co [Member] | Interest Rate and Foreign Currency [Member] | Cash Flow Hedges [Member] |
|
|
|
|
|
|
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |
|
|
|
|
|
|
Beginning Balance in AOCI |
3,090,000us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
2,077,000us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Change in Fair Value Recognized in AOCI |
0aep_OtherComprehensiveIncomeUnrealizedGainLossArisingDuringPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
0aep_OtherComprehensiveIncomeUnrealizedGainLossArisingDuringPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Amounts Reclassified from AOCI |
806,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
1,013,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Net Current Period Other Comprehensive Income |
806,000us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
1,013,000us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Ending Balance in AOCI |
3,896,000us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
3,090,000us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
2,077,000us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Commodity |
|
|
|
|
|
|
Subtotal - Commodity |
1,241,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
1,559,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Interest Rate and Foreign Currency |
|
|
|
|
|
|
Subtotal - Interest Rate and Foreign Currency |
1,241,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
1,559,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Reclassifications from AOCI, before Income Tax (Expense) Credit |
1,241,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
1,559,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
806,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
1,013,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Gains and Losses on Securities Available for Sale |
|
|
|
|
|
|
Reclassifications from AOCI, before Income Tax (Expense) Credit |
1,241,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
1,559,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
806,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
1,013,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Pension and OPEB |
|
|
|
|
|
|
Reclassifications from AOCI, before Income Tax (Expense) Credit |
1,241,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
1,559,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
806,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
1,013,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
806,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
1,013,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Total Accumulated Other Comprehensive Income (Loss) Activity for Cash Flow Hedges |
|
|
|
|
|
|
Balance in AOCI |
|
|
2,077,000us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
1,024,000us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Changes in Fair Value Recognized in AOCI |
|
|
|
|
0us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Amount of (Gain) or Loss Reclassified from AOCI to Statement of Income/within Balance Sheet |
|
|
|
|
|
|
Balance in AOCI |
|
|
|
|
2,077,000us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Appalachian Power Co [Member] | Reclassifications from Accumulated Other Comprehensive Income [Member] | Cash Flow Hedges [Member] |
|
|
|
|
|
|
Commodity |
|
|
|
|
|
|
Vertically Integrated Utilities Revenues |
|
|
|
|
(16,000)us-gaap_ElectricUtilityRevenue / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Purchased Electricity for Resale |
|
|
|
|
440,000us-gaap_CostOfPurchasedPower / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Other Operation Expense |
|
|
|
|
(25,000)us-gaap_UtilitiesOperatingExpenseOperations / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Maintenance Expense |
|
|
|
|
0us-gaap_UtilitiesOperatingExpenseMaintenance / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Property, Plant and Equipment |
|
|
|
|
(14,000)aep_ReclassificationsIntoPropertyPlantAndEquipment / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Regulatory Assets/(Liabilities), Net |
|
|
|
|
1,590,000aep_ReclassificationsIntoRegulatoryAssetsOrLiabilitiesNet / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
[1] |
Interest Rate and Foreign Currency |
|
|
|
|
|
|
Depreciation and Amortization Expense |
|
|
|
|
0us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Interest Expense |
|
|
|
|
1,053,000us-gaap_InterestExpense / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Income Tax (Expense) Credit |
(524,000)us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
530,000us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Gains and Losses on Securities Available for Sale |
|
|
|
|
|
|
Interest Expense |
|
|
|
|
1,053,000us-gaap_InterestExpense / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Income Tax (Expense) Credit |
(524,000)us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
530,000us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Pension and OPEB |
|
|
|
|
|
|
Income Tax (Expense) Credit |
(524,000)us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
530,000us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Amount of (Gain) or Loss Reclassified from AOCI to Statement of Income/within Balance Sheet |
|
|
|
|
|
|
Vertically Integrated Utilities Revenues |
|
|
|
|
(16,000)us-gaap_ElectricUtilityRevenue / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Purchased Electricity for Resale |
|
|
|
|
440,000us-gaap_CostOfPurchasedPower / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Other Operation Expense |
|
|
|
|
(25,000)us-gaap_UtilitiesOperatingExpenseOperations / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Maintenance Expense |
|
|
|
|
0us-gaap_UtilitiesOperatingExpenseMaintenance / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Depreciation and Amortization Expense |
|
|
|
|
0us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Interest Expense |
|
|
|
|
1,053,000us-gaap_InterestExpense / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Property, Plant and Equipment |
|
|
|
|
(14,000)aep_ReclassificationsIntoPropertyPlantAndEquipment / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Regulatory Assets |
|
|
|
|
1,590,000aep_ReclassificationsIntoRegulatoryAssetsOrLiabilitiesNet / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
[1] |
Appalachian Power Co [Member] | Reclassifications from Accumulated Other Comprehensive Income [Member] | Pension and OPEB [Member] |
|
|
|
|
|
|
Interest Rate and Foreign Currency |
|
|
|
|
|
|
Income Tax (Expense) Credit |
(717,000)us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
772,000us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Gains and Losses on Securities Available for Sale |
|
|
|
|
|
|
Income Tax (Expense) Credit |
(717,000)us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
772,000us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Pension and OPEB |
|
|
|
|
|
|
Income Tax (Expense) Credit |
(717,000)us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
772,000us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Appalachian Power Co [Member] | Reclassifications from Accumulated Other Comprehensive Income [Member] | Commodity [Member] | Cash Flow Hedges [Member] |
|
|
|
|
|
|
Commodity |
|
|
|
|
|
|
Vertically Integrated Utilities Revenues |
0us-gaap_ElectricUtilityRevenue / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(80,000)us-gaap_ElectricUtilityRevenue / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(16,000)us-gaap_ElectricUtilityRevenue / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Purchased Electricity for Resale |
(527,000)us-gaap_CostOfPurchasedPower / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
90,000us-gaap_CostOfPurchasedPower / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
440,000us-gaap_CostOfPurchasedPower / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Other Operation Expense |
(10,000)us-gaap_UtilitiesOperatingExpenseOperations / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(37,000)us-gaap_UtilitiesOperatingExpenseOperations / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(25,000)us-gaap_UtilitiesOperatingExpenseOperations / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Maintenance Expense |
(20,000)us-gaap_UtilitiesOperatingExpenseMaintenance / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(31,000)us-gaap_UtilitiesOperatingExpenseMaintenance / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
0us-gaap_UtilitiesOperatingExpenseMaintenance / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Property, Plant and Equipment |
(17,000)aep_ReclassificationsIntoPropertyPlantAndEquipment / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(35,000)aep_ReclassificationsIntoPropertyPlantAndEquipment / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(14,000)aep_ReclassificationsIntoPropertyPlantAndEquipment / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Regulatory Assets/(Liabilities), Net |
(2,165,000)aep_ReclassificationsIntoRegulatoryAssetsOrLiabilitiesNet / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
[1] |
47,000aep_ReclassificationsIntoRegulatoryAssetsOrLiabilitiesNet / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
[1] |
1,590,000aep_ReclassificationsIntoRegulatoryAssetsOrLiabilitiesNet / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
[1] |
Amount of (Gain) or Loss Reclassified from AOCI to Statement of Income/within Balance Sheet |
|
|
|
|
|
|
Vertically Integrated Utilities Revenues |
0us-gaap_ElectricUtilityRevenue / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(80,000)us-gaap_ElectricUtilityRevenue / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(16,000)us-gaap_ElectricUtilityRevenue / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Purchased Electricity for Resale |
(527,000)us-gaap_CostOfPurchasedPower / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
90,000us-gaap_CostOfPurchasedPower / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
440,000us-gaap_CostOfPurchasedPower / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Other Operation Expense |
(10,000)us-gaap_UtilitiesOperatingExpenseOperations / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(37,000)us-gaap_UtilitiesOperatingExpenseOperations / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(25,000)us-gaap_UtilitiesOperatingExpenseOperations / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Maintenance Expense |
(20,000)us-gaap_UtilitiesOperatingExpenseMaintenance / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(31,000)us-gaap_UtilitiesOperatingExpenseMaintenance / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
0us-gaap_UtilitiesOperatingExpenseMaintenance / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Property, Plant and Equipment |
(17,000)aep_ReclassificationsIntoPropertyPlantAndEquipment / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(35,000)aep_ReclassificationsIntoPropertyPlantAndEquipment / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(14,000)aep_ReclassificationsIntoPropertyPlantAndEquipment / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Regulatory Assets |
(2,165,000)aep_ReclassificationsIntoRegulatoryAssetsOrLiabilitiesNet / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
[1] |
47,000aep_ReclassificationsIntoRegulatoryAssetsOrLiabilitiesNet / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
[1] |
1,590,000aep_ReclassificationsIntoRegulatoryAssetsOrLiabilitiesNet / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
[1] |
Appalachian Power Co [Member] | Reclassifications from Accumulated Other Comprehensive Income [Member] | Interest Rate and Foreign Currency [Member] | Cash Flow Hedges [Member] |
|
|
|
|
|
|
Interest Rate and Foreign Currency |
|
|
|
|
|
|
Depreciation and Amortization Expense |
|
|
|
|
0us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Interest Expense |
1,241,000us-gaap_InterestExpense / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
1,559,000us-gaap_InterestExpense / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
1,053,000us-gaap_InterestExpense / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Gains and Losses on Securities Available for Sale |
|
|
|
|
|
|
Interest Expense |
1,241,000us-gaap_InterestExpense / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
1,559,000us-gaap_InterestExpense / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
1,053,000us-gaap_InterestExpense / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Amount of (Gain) or Loss Reclassified from AOCI to Statement of Income/within Balance Sheet |
|
|
|
|
|
|
Depreciation and Amortization Expense |
|
|
|
|
0us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Interest Expense |
1,241,000us-gaap_InterestExpense / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
1,559,000us-gaap_InterestExpense / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
1,053,000us-gaap_InterestExpense / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_AppalachianPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Indiana Michigan Power Co [Member] |
|
|
|
|
|
|
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |
|
|
|
|
|
|
Beginning Balance in AOCI |
(15,509,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember |
|
(28,883,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember |
|
|
|
Change in Fair Value Recognized in AOCI |
584,000aep_OtherComprehensiveIncomeUnrealizedGainLossArisingDuringPeriodNetOfTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember |
|
11,237,000aep_OtherComprehensiveIncomeUnrealizedGainLossArisingDuringPeriodNetOfTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember |
|
|
|
Amounts Reclassified from AOCI |
565,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember |
|
2,137,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember |
|
|
|
Net Current Period Other Comprehensive Income |
1,149,000us-gaap_OtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember |
|
13,374,000us-gaap_OtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember |
|
(662,000)us-gaap_OtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember |
|
Ending Balance in AOCI |
(14,360,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember |
|
(15,509,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember |
|
(28,883,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember |
|
Commodity |
|
|
|
|
|
|
Vertically Integrated Utilities Revenues |
2,149,109,000us-gaap_ElectricUtilityRevenue / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember |
|
2,022,257,000us-gaap_ElectricUtilityRevenue / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember |
|
1,810,069,000us-gaap_ElectricUtilityRevenue / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember |
|
Generation & Marketing Revenues |
2,048,000us-gaap_OtherSalesRevenueNet / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember |
|
2,916,000us-gaap_OtherSalesRevenueNet / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember |
|
4,582,000us-gaap_OtherSalesRevenueNet / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember |
|
Purchased Electricity for Resale |
96,813,000us-gaap_CostOfPurchasedPower / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember |
|
151,404,000us-gaap_CostOfPurchasedPower / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember |
|
117,860,000us-gaap_CostOfPurchasedPower / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember |
|
Other Operation Expense |
585,958,000us-gaap_UtilitiesOperatingExpenseOperations / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember |
|
564,012,000us-gaap_UtilitiesOperatingExpenseOperations / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember |
|
583,865,000us-gaap_UtilitiesOperatingExpenseOperations / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember |
|
Maintenance Expense |
228,506,000us-gaap_UtilitiesOperatingExpenseMaintenance / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember |
|
195,892,000us-gaap_UtilitiesOperatingExpenseMaintenance / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember |
|
172,562,000us-gaap_UtilitiesOperatingExpenseMaintenance / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember |
|
Interest Rate and Foreign Currency |
|
|
|
|
|
|
Depreciation and Amortization Expense |
200,196,000us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember |
|
177,727,000us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember |
|
146,619,000us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember |
|
Interest Expense |
93,475,000us-gaap_InterestExpense / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember |
|
97,710,000us-gaap_InterestExpense / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember |
|
102,739,000us-gaap_InterestExpense / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember |
|
Income Tax (Expense) Credit |
(79,621,000)us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember |
|
(75,111,000)us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember |
|
(39,344,000)us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember |
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
565,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember |
|
2,137,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember |
|
|
|
Gains and Losses on Securities Available for Sale |
|
|
|
|
|
|
Interest Expense |
93,475,000us-gaap_InterestExpense / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember |
|
97,710,000us-gaap_InterestExpense / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember |
|
102,739,000us-gaap_InterestExpense / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember |
|
Income Tax (Expense) Credit |
(79,621,000)us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember |
|
(75,111,000)us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember |
|
(39,344,000)us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember |
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
565,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember |
|
2,137,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember |
|
|
|
Pension and OPEB |
|
|
|
|
|
|
Income Tax (Expense) Credit |
(79,621,000)us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember |
|
(75,111,000)us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember |
|
(39,344,000)us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember |
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
565,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember |
|
2,137,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
565,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember |
|
2,137,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember |
|
|
|
Amount of (Gain) or Loss Reclassified from AOCI to Statement of Income/within Balance Sheet |
|
|
|
|
|
|
Vertically Integrated Utilities Revenues |
2,149,109,000us-gaap_ElectricUtilityRevenue / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember |
|
2,022,257,000us-gaap_ElectricUtilityRevenue / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember |
|
1,810,069,000us-gaap_ElectricUtilityRevenue / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember |
|
Generation & Marketing Revenues |
2,048,000us-gaap_OtherSalesRevenueNet / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember |
|
2,916,000us-gaap_OtherSalesRevenueNet / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember |
|
4,582,000us-gaap_OtherSalesRevenueNet / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember |
|
Purchased Electricity for Resale |
96,813,000us-gaap_CostOfPurchasedPower / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember |
|
151,404,000us-gaap_CostOfPurchasedPower / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember |
|
117,860,000us-gaap_CostOfPurchasedPower / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember |
|
Other Operation Expense |
585,958,000us-gaap_UtilitiesOperatingExpenseOperations / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember |
|
564,012,000us-gaap_UtilitiesOperatingExpenseOperations / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember |
|
583,865,000us-gaap_UtilitiesOperatingExpenseOperations / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember |
|
Maintenance Expense |
228,506,000us-gaap_UtilitiesOperatingExpenseMaintenance / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember |
|
195,892,000us-gaap_UtilitiesOperatingExpenseMaintenance / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember |
|
172,562,000us-gaap_UtilitiesOperatingExpenseMaintenance / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember |
|
Depreciation and Amortization Expense |
200,196,000us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember |
|
177,727,000us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember |
|
146,619,000us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember |
|
Interest Expense |
93,475,000us-gaap_InterestExpense / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember |
|
97,710,000us-gaap_InterestExpense / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember |
|
102,739,000us-gaap_InterestExpense / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember |
|
Indiana Michigan Power Co [Member] | Cash Flow Hedges [Member] |
|
|
|
|
|
|
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |
|
|
|
|
|
|
Amounts Reclassified from AOCI |
394,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
1,437,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Commodity |
|
|
|
|
|
|
Subtotal - Commodity |
604,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
2,211,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Interest Rate and Foreign Currency |
|
|
|
|
|
|
Subtotal - Interest Rate and Foreign Currency |
604,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
2,211,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Reclassifications from AOCI, before Income Tax (Expense) Credit |
604,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
2,211,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
394,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
1,437,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Gains and Losses on Securities Available for Sale |
|
|
|
|
|
|
Reclassifications from AOCI, before Income Tax (Expense) Credit |
604,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
2,211,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
394,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
1,437,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Pension and OPEB |
|
|
|
|
|
|
Reclassifications from AOCI, before Income Tax (Expense) Credit |
604,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
2,211,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
394,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
1,437,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
394,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
1,437,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Total Accumulated Other Comprehensive Income (Loss) Activity for Cash Flow Hedges |
|
|
|
|
|
|
Balance in AOCI |
|
|
(20,093,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(15,284,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Changes in Fair Value Recognized in AOCI |
|
|
|
|
(6,764,000)us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Amount of (Gain) or Loss Reclassified from AOCI to Statement of Income/within Balance Sheet |
|
|
|
|
|
|
Balance in AOCI |
|
|
|
|
(20,093,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Indiana Michigan Power Co [Member] | Pension and OPEB [Member] |
|
|
|
|
|
|
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |
|
|
|
|
|
|
Amounts Reclassified from AOCI |
171,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
700,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Commodity |
|
|
|
|
|
|
Subtotal - Commodity |
262,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
1,078,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Interest Rate and Foreign Currency |
|
|
|
|
|
|
Subtotal - Interest Rate and Foreign Currency |
262,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
1,078,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Reclassifications from AOCI, before Income Tax (Expense) Credit |
262,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
1,078,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
171,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
700,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Gains and Losses on Securities Available for Sale |
|
|
|
|
|
|
Reclassifications from AOCI, before Income Tax (Expense) Credit |
262,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
1,078,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
171,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
700,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Pension and OPEB |
|
|
|
|
|
|
Amortization of Prior Service Cost (Credit) |
(794,000)us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
(794,000)us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Amortization of Actuarial Gain (Loss) |
1,056,000us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
1,872,000us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Reclassifications from AOCI, before Income Tax (Expense) Credit |
262,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
1,078,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
171,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
700,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
171,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
700,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Indiana Michigan Power Co [Member] | Pension and OPEB [Member] | Amortization of Deferred Costs [Member] |
|
|
|
|
|
|
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |
|
|
|
|
|
|
Beginning Balance in AOCI |
4,901,000us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
4,201,000us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Change in Fair Value Recognized in AOCI |
0aep_OtherComprehensiveIncomeUnrealizedGainLossArisingDuringPeriodNetOfTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
0aep_OtherComprehensiveIncomeUnrealizedGainLossArisingDuringPeriodNetOfTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Amounts Reclassified from AOCI |
171,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
700,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Net Current Period Other Comprehensive Income |
171,000us-gaap_OtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
700,000us-gaap_OtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Ending Balance in AOCI |
5,072,000us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
4,901,000us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Interest Rate and Foreign Currency |
|
|
|
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
171,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
700,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Gains and Losses on Securities Available for Sale |
|
|
|
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
171,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
700,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Pension and OPEB |
|
|
|
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
171,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
700,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
171,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
700,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Indiana Michigan Power Co [Member] | Pension and OPEB [Member] | Changes in Funded Status [Member] |
|
|
|
|
|
|
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |
|
|
|
|
|
|
Beginning Balance in AOCI |
(4,480,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
(12,991,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Change in Fair Value Recognized in AOCI |
(546,000)aep_OtherComprehensiveIncomeUnrealizedGainLossArisingDuringPeriodNetOfTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
8,511,000aep_OtherComprehensiveIncomeUnrealizedGainLossArisingDuringPeriodNetOfTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Amounts Reclassified from AOCI |
0us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
0us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Net Current Period Other Comprehensive Income |
(546,000)us-gaap_OtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
8,511,000us-gaap_OtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Ending Balance in AOCI |
(5,026,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
(4,480,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Interest Rate and Foreign Currency |
|
|
|
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
0us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
0us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Gains and Losses on Securities Available for Sale |
|
|
|
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
0us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
0us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Pension and OPEB |
|
|
|
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
0us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
0us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
0us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
0us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Indiana Michigan Power Co [Member] | Accumulated Other Comprehensive Income [Member] |
|
|
|
|
|
|
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |
|
|
|
|
|
|
Net Current Period Other Comprehensive Income |
|
|
13,374,000us-gaap_OtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember |
|
(662,000)us-gaap_OtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember |
|
Indiana Michigan Power Co [Member] | Commodity [Member] |
|
|
|
|
|
|
Amount of (Gain) or Loss Reclassified from AOCI to Statement of Income/within Balance Sheet |
|
|
|
|
|
|
Balance in AOCI |
0us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember |
|
46,000us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember |
|
|
|
Indiana Michigan Power Co [Member] | Commodity [Member] | Cash Flow Hedges [Member] |
|
|
|
|
|
|
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |
|
|
|
|
|
|
Beginning Balance in AOCI |
46,000us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(446,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Change in Fair Value Recognized in AOCI |
1,130,000aep_OtherComprehensiveIncomeUnrealizedGainLossArisingDuringPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
477,000aep_OtherComprehensiveIncomeUnrealizedGainLossArisingDuringPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Amounts Reclassified from AOCI |
(1,176,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
15,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Net Current Period Other Comprehensive Income |
(46,000)us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
492,000us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Ending Balance in AOCI |
0us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
46,000us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(446,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Commodity |
|
|
|
|
|
|
Subtotal - Commodity |
(1,809,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
23,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Interest Rate and Foreign Currency |
|
|
|
|
|
|
Subtotal - Interest Rate and Foreign Currency |
(1,809,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
23,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Reclassifications from AOCI, before Income Tax (Expense) Credit |
(1,809,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
23,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
(1,176,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
15,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Gains and Losses on Securities Available for Sale |
|
|
|
|
|
|
Reclassifications from AOCI, before Income Tax (Expense) Credit |
(1,809,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
23,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
(1,176,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
15,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Pension and OPEB |
|
|
|
|
|
|
Reclassifications from AOCI, before Income Tax (Expense) Credit |
(1,809,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
23,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
(1,176,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
15,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
(1,176,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
15,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Total Accumulated Other Comprehensive Income (Loss) Activity for Cash Flow Hedges |
|
|
|
|
|
|
Balance in AOCI |
|
|
(446,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(819,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Changes in Fair Value Recognized in AOCI |
|
|
|
|
(987,000)us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Amount of (Gain) or Loss Reclassified from AOCI to Statement of Income/within Balance Sheet |
|
|
|
|
|
|
Balance in AOCI |
|
|
|
|
(446,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Indiana Michigan Power Co [Member] | Interest Rate and Foreign Currency [Member] |
|
|
|
|
|
|
Amount of (Gain) or Loss Reclassified from AOCI to Statement of Income/within Balance Sheet |
|
|
|
|
|
|
Balance in AOCI |
(14,406,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember |
|
(15,976,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember |
|
|
|
Indiana Michigan Power Co [Member] | Interest Rate and Foreign Currency [Member] | Cash Flow Hedges [Member] |
|
|
|
|
|
|
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |
|
|
|
|
|
|
Beginning Balance in AOCI |
(15,976,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(19,647,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Change in Fair Value Recognized in AOCI |
0aep_OtherComprehensiveIncomeUnrealizedGainLossArisingDuringPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
2,249,000aep_OtherComprehensiveIncomeUnrealizedGainLossArisingDuringPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Amounts Reclassified from AOCI |
1,570,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
1,422,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Net Current Period Other Comprehensive Income |
1,570,000us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
3,671,000us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Ending Balance in AOCI |
(14,406,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(15,976,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(19,647,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Commodity |
|
|
|
|
|
|
Subtotal - Commodity |
2,413,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
2,188,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Interest Rate and Foreign Currency |
|
|
|
|
|
|
Subtotal - Interest Rate and Foreign Currency |
2,413,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
2,188,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Reclassifications from AOCI, before Income Tax (Expense) Credit |
2,413,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
2,188,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
1,570,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
1,422,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Gains and Losses on Securities Available for Sale |
|
|
|
|
|
|
Reclassifications from AOCI, before Income Tax (Expense) Credit |
2,413,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
2,188,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
1,570,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
1,422,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Pension and OPEB |
|
|
|
|
|
|
Reclassifications from AOCI, before Income Tax (Expense) Credit |
2,413,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
2,188,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
1,570,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
1,422,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
1,570,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
1,422,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Total Accumulated Other Comprehensive Income (Loss) Activity for Cash Flow Hedges |
|
|
|
|
|
|
Balance in AOCI |
|
|
(19,647,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(14,465,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Changes in Fair Value Recognized in AOCI |
|
|
|
|
(5,777,000)us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Amount of (Gain) or Loss Reclassified from AOCI to Statement of Income/within Balance Sheet |
|
|
|
|
|
|
Balance in AOCI |
|
|
|
|
(19,647,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Indiana Michigan Power Co [Member] | Reclassifications from Accumulated Other Comprehensive Income [Member] | Cash Flow Hedges [Member] |
|
|
|
|
|
|
Commodity |
|
|
|
|
|
|
Vertically Integrated Utilities Revenues |
|
|
|
|
(43,000)us-gaap_ElectricUtilityRevenue / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Purchased Electricity for Resale |
|
|
|
|
1,151,000us-gaap_CostOfPurchasedPower / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Other Operation Expense |
|
|
|
|
(14,000)us-gaap_UtilitiesOperatingExpenseOperations / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Maintenance Expense |
|
|
|
|
(2,000)us-gaap_UtilitiesOperatingExpenseMaintenance / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Property, Plant and Equipment |
|
|
|
|
(10,000)aep_ReclassificationsIntoPropertyPlantAndEquipment / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Regulatory Assets/(Liabilities), Net |
|
|
|
|
278,000aep_ReclassificationsIntoRegulatoryAssetsOrLiabilitiesNet / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
[1] |
Interest Rate and Foreign Currency |
|
|
|
|
|
|
Depreciation and Amortization Expense |
|
|
|
|
0us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Interest Expense |
|
|
|
|
595,000us-gaap_InterestExpense / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Income Tax (Expense) Credit |
210,000us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
774,000us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Gains and Losses on Securities Available for Sale |
|
|
|
|
|
|
Interest Expense |
|
|
|
|
595,000us-gaap_InterestExpense / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Income Tax (Expense) Credit |
210,000us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
774,000us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Pension and OPEB |
|
|
|
|
|
|
Income Tax (Expense) Credit |
210,000us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
774,000us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Amount of (Gain) or Loss Reclassified from AOCI to Statement of Income/within Balance Sheet |
|
|
|
|
|
|
Vertically Integrated Utilities Revenues |
|
|
|
|
(43,000)us-gaap_ElectricUtilityRevenue / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Purchased Electricity for Resale |
|
|
|
|
1,151,000us-gaap_CostOfPurchasedPower / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Other Operation Expense |
|
|
|
|
(14,000)us-gaap_UtilitiesOperatingExpenseOperations / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Maintenance Expense |
|
|
|
|
(2,000)us-gaap_UtilitiesOperatingExpenseMaintenance / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Depreciation and Amortization Expense |
|
|
|
|
0us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Interest Expense |
|
|
|
|
595,000us-gaap_InterestExpense / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Property, Plant and Equipment |
|
|
|
|
(10,000)aep_ReclassificationsIntoPropertyPlantAndEquipment / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Regulatory Assets |
|
|
|
|
278,000aep_ReclassificationsIntoRegulatoryAssetsOrLiabilitiesNet / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
[1] |
Indiana Michigan Power Co [Member] | Reclassifications from Accumulated Other Comprehensive Income [Member] | Pension and OPEB [Member] |
|
|
|
|
|
|
Interest Rate and Foreign Currency |
|
|
|
|
|
|
Income Tax (Expense) Credit |
91,000us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
378,000us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Gains and Losses on Securities Available for Sale |
|
|
|
|
|
|
Income Tax (Expense) Credit |
91,000us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
378,000us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Pension and OPEB |
|
|
|
|
|
|
Income Tax (Expense) Credit |
91,000us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
378,000us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Indiana Michigan Power Co [Member] | Reclassifications from Accumulated Other Comprehensive Income [Member] | Commodity [Member] | Cash Flow Hedges [Member] |
|
|
|
|
|
|
Commodity |
|
|
|
|
|
|
Vertically Integrated Utilities Revenues |
0us-gaap_ElectricUtilityRevenue / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(155,000)us-gaap_ElectricUtilityRevenue / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(43,000)us-gaap_ElectricUtilityRevenue / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Purchased Electricity for Resale |
(812,000)us-gaap_CostOfPurchasedPower / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
219,000us-gaap_CostOfPurchasedPower / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
1,151,000us-gaap_CostOfPurchasedPower / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Other Operation Expense |
(7,000)us-gaap_UtilitiesOperatingExpenseOperations / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(23,000)us-gaap_UtilitiesOperatingExpenseOperations / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(14,000)us-gaap_UtilitiesOperatingExpenseOperations / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Maintenance Expense |
(7,000)us-gaap_UtilitiesOperatingExpenseMaintenance / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(14,000)us-gaap_UtilitiesOperatingExpenseMaintenance / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(2,000)us-gaap_UtilitiesOperatingExpenseMaintenance / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Property, Plant and Equipment |
(10,000)aep_ReclassificationsIntoPropertyPlantAndEquipment / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(20,000)aep_ReclassificationsIntoPropertyPlantAndEquipment / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(10,000)aep_ReclassificationsIntoPropertyPlantAndEquipment / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Regulatory Assets/(Liabilities), Net |
(973,000)aep_ReclassificationsIntoRegulatoryAssetsOrLiabilitiesNet / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
[1] |
16,000aep_ReclassificationsIntoRegulatoryAssetsOrLiabilitiesNet / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
[1] |
278,000aep_ReclassificationsIntoRegulatoryAssetsOrLiabilitiesNet / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
[1] |
Amount of (Gain) or Loss Reclassified from AOCI to Statement of Income/within Balance Sheet |
|
|
|
|
|
|
Vertically Integrated Utilities Revenues |
0us-gaap_ElectricUtilityRevenue / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(155,000)us-gaap_ElectricUtilityRevenue / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(43,000)us-gaap_ElectricUtilityRevenue / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Purchased Electricity for Resale |
(812,000)us-gaap_CostOfPurchasedPower / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
219,000us-gaap_CostOfPurchasedPower / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
1,151,000us-gaap_CostOfPurchasedPower / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Other Operation Expense |
(7,000)us-gaap_UtilitiesOperatingExpenseOperations / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(23,000)us-gaap_UtilitiesOperatingExpenseOperations / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(14,000)us-gaap_UtilitiesOperatingExpenseOperations / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Maintenance Expense |
(7,000)us-gaap_UtilitiesOperatingExpenseMaintenance / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(14,000)us-gaap_UtilitiesOperatingExpenseMaintenance / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(2,000)us-gaap_UtilitiesOperatingExpenseMaintenance / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Property, Plant and Equipment |
(10,000)aep_ReclassificationsIntoPropertyPlantAndEquipment / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(20,000)aep_ReclassificationsIntoPropertyPlantAndEquipment / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(10,000)aep_ReclassificationsIntoPropertyPlantAndEquipment / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Regulatory Assets |
(973,000)aep_ReclassificationsIntoRegulatoryAssetsOrLiabilitiesNet / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
[1] |
16,000aep_ReclassificationsIntoRegulatoryAssetsOrLiabilitiesNet / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
[1] |
278,000aep_ReclassificationsIntoRegulatoryAssetsOrLiabilitiesNet / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
[1] |
Indiana Michigan Power Co [Member] | Reclassifications from Accumulated Other Comprehensive Income [Member] | Interest Rate and Foreign Currency [Member] | Cash Flow Hedges [Member] |
|
|
|
|
|
|
Interest Rate and Foreign Currency |
|
|
|
|
|
|
Depreciation and Amortization Expense |
|
|
|
|
0us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Interest Expense |
2,413,000us-gaap_InterestExpense / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
2,188,000us-gaap_InterestExpense / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
595,000us-gaap_InterestExpense / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Gains and Losses on Securities Available for Sale |
|
|
|
|
|
|
Interest Expense |
2,413,000us-gaap_InterestExpense / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
2,188,000us-gaap_InterestExpense / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
595,000us-gaap_InterestExpense / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Amount of (Gain) or Loss Reclassified from AOCI to Statement of Income/within Balance Sheet |
|
|
|
|
|
|
Depreciation and Amortization Expense |
|
|
|
|
0us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Interest Expense |
2,413,000us-gaap_InterestExpense / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
2,188,000us-gaap_InterestExpense / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
595,000us-gaap_InterestExpense / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_IndianaMichiganPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Ohio Power Co [Member] |
|
|
|
|
|
|
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |
|
|
|
|
|
|
Beginning Balance in AOCI |
7,079,000us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_OhioPowerCoMember |
|
(165,725,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_OhioPowerCoMember |
|
|
|
Change in Fair Value Recognized in AOCI |
0aep_OtherComprehensiveIncomeUnrealizedGainLossArisingDuringPeriodNetOfTax / dei_LegalEntityAxis = aep_OhioPowerCoMember |
|
66,400,000aep_OtherComprehensiveIncomeUnrealizedGainLossArisingDuringPeriodNetOfTax / dei_LegalEntityAxis = aep_OhioPowerCoMember |
|
|
|
Amounts Reclassified from AOCI |
(1,477,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_OhioPowerCoMember |
|
11,172,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_OhioPowerCoMember |
|
|
|
Net Current Period Other Comprehensive Income |
(1,477,000)us-gaap_OtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_OhioPowerCoMember |
|
77,572,000us-gaap_OtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_OhioPowerCoMember |
|
31,997,000us-gaap_OtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_OhioPowerCoMember |
|
Distribution of Cook Coal Terminal to Parent |
|
|
(2,651,000)aep_DistributionOfCookCoalTerminalToParent / dei_LegalEntityAxis = aep_OhioPowerCoMember |
|
|
|
Distribution of OPCo Generation to Parent |
|
|
(3,005,374,000)aep_DistributionOfOPCoGenerationToParent / dei_LegalEntityAxis = aep_OhioPowerCoMember |
|
|
|
Ending Balance in AOCI |
5,602,000us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_OhioPowerCoMember |
|
7,079,000us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_OhioPowerCoMember |
|
(165,725,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_OhioPowerCoMember |
|
Commodity |
|
|
|
|
|
|
Generation & Marketing Revenues |
6,778,000us-gaap_OtherSalesRevenueNet / dei_LegalEntityAxis = aep_OhioPowerCoMember |
|
15,397,000us-gaap_OtherSalesRevenueNet / dei_LegalEntityAxis = aep_OhioPowerCoMember |
|
19,385,000us-gaap_OtherSalesRevenueNet / dei_LegalEntityAxis = aep_OhioPowerCoMember |
|
Purchased Electricity for Resale |
282,000,000us-gaap_CostOfPurchasedPower / dei_LegalEntityAxis = aep_OhioPowerCoMember |
|
151,561,000us-gaap_CostOfPurchasedPower / dei_LegalEntityAxis = aep_OhioPowerCoMember |
|
205,845,000us-gaap_CostOfPurchasedPower / dei_LegalEntityAxis = aep_OhioPowerCoMember |
|
Other Operation Expense |
594,776,000us-gaap_UtilitiesOperatingExpenseOperations / dei_LegalEntityAxis = aep_OhioPowerCoMember |
|
707,953,000us-gaap_UtilitiesOperatingExpenseOperations / dei_LegalEntityAxis = aep_OhioPowerCoMember |
|
669,981,000us-gaap_UtilitiesOperatingExpenseOperations / dei_LegalEntityAxis = aep_OhioPowerCoMember |
|
Maintenance Expense |
195,964,000us-gaap_UtilitiesOperatingExpenseMaintenance / dei_LegalEntityAxis = aep_OhioPowerCoMember |
|
319,625,000us-gaap_UtilitiesOperatingExpenseMaintenance / dei_LegalEntityAxis = aep_OhioPowerCoMember |
|
319,324,000us-gaap_UtilitiesOperatingExpenseMaintenance / dei_LegalEntityAxis = aep_OhioPowerCoMember |
|
Interest Rate and Foreign Currency |
|
|
|
|
|
|
Depreciation and Amortization Expense |
213,669,000us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization / dei_LegalEntityAxis = aep_OhioPowerCoMember |
|
382,570,000us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization / dei_LegalEntityAxis = aep_OhioPowerCoMember |
|
511,070,000us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization / dei_LegalEntityAxis = aep_OhioPowerCoMember |
|
Interest Expense |
128,291,000us-gaap_InterestExpense / dei_LegalEntityAxis = aep_OhioPowerCoMember |
|
182,046,000us-gaap_InterestExpense / dei_LegalEntityAxis = aep_OhioPowerCoMember |
|
213,100,000us-gaap_InterestExpense / dei_LegalEntityAxis = aep_OhioPowerCoMember |
|
Income Tax (Expense) Credit |
(132,207,000)us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_OhioPowerCoMember |
|
(225,670,000)us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_OhioPowerCoMember |
|
(144,283,000)us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_OhioPowerCoMember |
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
(1,477,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_OhioPowerCoMember |
|
11,172,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_OhioPowerCoMember |
|
|
|
Gains and Losses on Securities Available for Sale |
|
|
|
|
|
|
Interest Expense |
128,291,000us-gaap_InterestExpense / dei_LegalEntityAxis = aep_OhioPowerCoMember |
|
182,046,000us-gaap_InterestExpense / dei_LegalEntityAxis = aep_OhioPowerCoMember |
|
213,100,000us-gaap_InterestExpense / dei_LegalEntityAxis = aep_OhioPowerCoMember |
|
Income Tax (Expense) Credit |
(132,207,000)us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_OhioPowerCoMember |
|
(225,670,000)us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_OhioPowerCoMember |
|
(144,283,000)us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_OhioPowerCoMember |
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
(1,477,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_OhioPowerCoMember |
|
11,172,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_OhioPowerCoMember |
|
|
|
Pension and OPEB |
|
|
|
|
|
|
Income Tax (Expense) Credit |
(132,207,000)us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_OhioPowerCoMember |
|
(225,670,000)us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_OhioPowerCoMember |
|
(144,283,000)us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_OhioPowerCoMember |
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
(1,477,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_OhioPowerCoMember |
|
11,172,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_OhioPowerCoMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
(1,477,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_OhioPowerCoMember |
|
11,172,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_OhioPowerCoMember |
|
|
|
Amount of (Gain) or Loss Reclassified from AOCI to Statement of Income/within Balance Sheet |
|
|
|
|
|
|
Generation & Marketing Revenues |
6,778,000us-gaap_OtherSalesRevenueNet / dei_LegalEntityAxis = aep_OhioPowerCoMember |
|
15,397,000us-gaap_OtherSalesRevenueNet / dei_LegalEntityAxis = aep_OhioPowerCoMember |
|
19,385,000us-gaap_OtherSalesRevenueNet / dei_LegalEntityAxis = aep_OhioPowerCoMember |
|
Purchased Electricity for Resale |
282,000,000us-gaap_CostOfPurchasedPower / dei_LegalEntityAxis = aep_OhioPowerCoMember |
|
151,561,000us-gaap_CostOfPurchasedPower / dei_LegalEntityAxis = aep_OhioPowerCoMember |
|
205,845,000us-gaap_CostOfPurchasedPower / dei_LegalEntityAxis = aep_OhioPowerCoMember |
|
Other Operation Expense |
594,776,000us-gaap_UtilitiesOperatingExpenseOperations / dei_LegalEntityAxis = aep_OhioPowerCoMember |
|
707,953,000us-gaap_UtilitiesOperatingExpenseOperations / dei_LegalEntityAxis = aep_OhioPowerCoMember |
|
669,981,000us-gaap_UtilitiesOperatingExpenseOperations / dei_LegalEntityAxis = aep_OhioPowerCoMember |
|
Maintenance Expense |
195,964,000us-gaap_UtilitiesOperatingExpenseMaintenance / dei_LegalEntityAxis = aep_OhioPowerCoMember |
|
319,625,000us-gaap_UtilitiesOperatingExpenseMaintenance / dei_LegalEntityAxis = aep_OhioPowerCoMember |
|
319,324,000us-gaap_UtilitiesOperatingExpenseMaintenance / dei_LegalEntityAxis = aep_OhioPowerCoMember |
|
Depreciation and Amortization Expense |
213,669,000us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization / dei_LegalEntityAxis = aep_OhioPowerCoMember |
|
382,570,000us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization / dei_LegalEntityAxis = aep_OhioPowerCoMember |
|
511,070,000us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization / dei_LegalEntityAxis = aep_OhioPowerCoMember |
|
Interest Expense |
128,291,000us-gaap_InterestExpense / dei_LegalEntityAxis = aep_OhioPowerCoMember |
|
182,046,000us-gaap_InterestExpense / dei_LegalEntityAxis = aep_OhioPowerCoMember |
|
213,100,000us-gaap_InterestExpense / dei_LegalEntityAxis = aep_OhioPowerCoMember |
|
Ohio Power Co [Member] | Cash Flow Hedges [Member] |
|
|
|
|
|
|
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |
|
|
|
|
|
|
Amounts Reclassified from AOCI |
(1,477,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(1,337,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Commodity |
|
|
|
|
|
|
Subtotal - Commodity |
(2,273,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(2,057,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Interest Rate and Foreign Currency |
|
|
|
|
|
|
Subtotal - Interest Rate and Foreign Currency |
(2,273,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(2,057,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Reclassifications from AOCI, before Income Tax (Expense) Credit |
(2,273,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(2,057,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
(1,477,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(1,337,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Gains and Losses on Securities Available for Sale |
|
|
|
|
|
|
Reclassifications from AOCI, before Income Tax (Expense) Credit |
(2,273,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(2,057,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
(1,477,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(1,337,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Pension and OPEB |
|
|
|
|
|
|
Reclassifications from AOCI, before Income Tax (Expense) Credit |
(2,273,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(2,057,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
(1,477,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(1,337,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
(1,477,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(1,337,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Total Accumulated Other Comprehensive Income (Loss) Activity for Cash Flow Hedges |
|
|
|
|
|
|
Balance in AOCI |
|
|
7,183,000us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
7,706,000us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Changes in Fair Value Recognized in AOCI |
|
|
|
|
(2,002,000)us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Amount of (Gain) or Loss Reclassified from AOCI to Statement of Income/within Balance Sheet |
|
|
|
|
|
|
Balance in AOCI |
|
|
|
|
7,183,000us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Ohio Power Co [Member] | Pension and OPEB [Member] |
|
|
|
|
|
|
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |
|
|
|
|
|
|
Amounts Reclassified from AOCI |
0us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
12,509,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Commodity |
|
|
|
|
|
|
Subtotal - Commodity |
0us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
19,245,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Interest Rate and Foreign Currency |
|
|
|
|
|
|
Subtotal - Interest Rate and Foreign Currency |
0us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
19,245,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Reclassifications from AOCI, before Income Tax (Expense) Credit |
0us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
19,245,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
0us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
12,509,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Gains and Losses on Securities Available for Sale |
|
|
|
|
|
|
Reclassifications from AOCI, before Income Tax (Expense) Credit |
0us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
19,245,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
0us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
12,509,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Pension and OPEB |
|
|
|
|
|
|
Amortization of Prior Service Cost (Credit) |
0us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
(5,840,000)us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Amortization of Actuarial Gain (Loss) |
0us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
25,085,000us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Reclassifications from AOCI, before Income Tax (Expense) Credit |
0us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
19,245,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
0us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
12,509,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
0us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
12,509,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Ohio Power Co [Member] | Pension and OPEB [Member] | Amortization of Deferred Costs [Member] |
|
|
|
|
|
|
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |
|
|
|
|
|
|
Beginning Balance in AOCI |
58,447,000us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_OhioPowerCoMember / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
45,938,000us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_OhioPowerCoMember / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Change in Fair Value Recognized in AOCI |
0aep_OtherComprehensiveIncomeUnrealizedGainLossArisingDuringPeriodNetOfTax / dei_LegalEntityAxis = aep_OhioPowerCoMember / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
0aep_OtherComprehensiveIncomeUnrealizedGainLossArisingDuringPeriodNetOfTax / dei_LegalEntityAxis = aep_OhioPowerCoMember / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Amounts Reclassified from AOCI |
0us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_OhioPowerCoMember / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
12,509,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_OhioPowerCoMember / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Net Current Period Other Comprehensive Income |
0us-gaap_OtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_OhioPowerCoMember / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
12,509,000us-gaap_OtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_OhioPowerCoMember / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Distribution of Cook Coal Terminal to Parent |
|
|
0aep_DistributionOfCookCoalTerminalToParent / dei_LegalEntityAxis = aep_OhioPowerCoMember / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Distribution of OPCo Generation to Parent |
|
|
0aep_DistributionOfOPCoGenerationToParent / dei_LegalEntityAxis = aep_OhioPowerCoMember / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Ending Balance in AOCI |
58,447,000us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_OhioPowerCoMember / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
58,447,000us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_OhioPowerCoMember / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Interest Rate and Foreign Currency |
|
|
|
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
0us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_OhioPowerCoMember / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
12,509,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_OhioPowerCoMember / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Gains and Losses on Securities Available for Sale |
|
|
|
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
0us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_OhioPowerCoMember / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
12,509,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_OhioPowerCoMember / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Pension and OPEB |
|
|
|
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
0us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_OhioPowerCoMember / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
12,509,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_OhioPowerCoMember / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
0us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_OhioPowerCoMember / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
12,509,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_OhioPowerCoMember / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Ohio Power Co [Member] | Pension and OPEB [Member] | Changes in Funded Status [Member] |
|
|
|
|
|
|
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |
|
|
|
|
|
|
Beginning Balance in AOCI |
(58,447,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_OhioPowerCoMember / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
(218,846,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_OhioPowerCoMember / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Change in Fair Value Recognized in AOCI |
0aep_OtherComprehensiveIncomeUnrealizedGainLossArisingDuringPeriodNetOfTax / dei_LegalEntityAxis = aep_OhioPowerCoMember / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
65,418,000aep_OtherComprehensiveIncomeUnrealizedGainLossArisingDuringPeriodNetOfTax / dei_LegalEntityAxis = aep_OhioPowerCoMember / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Amounts Reclassified from AOCI |
0us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_OhioPowerCoMember / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
0us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_OhioPowerCoMember / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Net Current Period Other Comprehensive Income |
0us-gaap_OtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_OhioPowerCoMember / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
65,418,000us-gaap_OtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_OhioPowerCoMember / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Distribution of Cook Coal Terminal to Parent |
|
|
19,652,000aep_DistributionOfCookCoalTerminalToParent / dei_LegalEntityAxis = aep_OhioPowerCoMember / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Distribution of OPCo Generation to Parent |
|
|
75,329,000aep_DistributionOfOPCoGenerationToParent / dei_LegalEntityAxis = aep_OhioPowerCoMember / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Ending Balance in AOCI |
(58,447,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_OhioPowerCoMember / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
(58,447,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_OhioPowerCoMember / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Interest Rate and Foreign Currency |
|
|
|
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
0us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_OhioPowerCoMember / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
0us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_OhioPowerCoMember / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Gains and Losses on Securities Available for Sale |
|
|
|
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
0us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_OhioPowerCoMember / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
0us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_OhioPowerCoMember / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Pension and OPEB |
|
|
|
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
0us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_OhioPowerCoMember / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
0us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_OhioPowerCoMember / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
0us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_OhioPowerCoMember / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
0us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_OhioPowerCoMember / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Ohio Power Co [Member] | Accumulated Other Comprehensive Income [Member] |
|
|
|
|
|
|
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |
|
|
|
|
|
|
Net Current Period Other Comprehensive Income |
(1,477,000)us-gaap_OtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember |
|
77,572,000us-gaap_OtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember |
|
31,997,000us-gaap_OtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember |
|
Distribution of Cook Coal Terminal to Parent |
|
|
19,652,000aep_DistributionOfCookCoalTerminalToParent / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember |
|
|
|
Distribution of OPCo Generation to Parent |
|
|
75,580,000aep_DistributionOfOPCoGenerationToParent / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember |
|
|
|
Ohio Power Co [Member] | Commodity [Member] |
|
|
|
|
|
|
Amount of (Gain) or Loss Reclassified from AOCI to Statement of Income/within Balance Sheet |
|
|
|
|
|
|
Balance in AOCI |
0us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_OhioPowerCoMember |
|
105,000us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_OhioPowerCoMember |
|
|
|
Ohio Power Co [Member] | Commodity [Member] | Cash Flow Hedges [Member] |
|
|
|
|
|
|
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |
|
|
|
|
|
|
Beginning Balance in AOCI |
105,000us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(912,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Change in Fair Value Recognized in AOCI |
0aep_OtherComprehensiveIncomeUnrealizedGainLossArisingDuringPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
982,000aep_OtherComprehensiveIncomeUnrealizedGainLossArisingDuringPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Amounts Reclassified from AOCI |
(105,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
22,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Net Current Period Other Comprehensive Income |
(105,000)us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
1,004,000us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Distribution of Cook Coal Terminal to Parent |
|
|
0aep_DistributionOfCookCoalTerminalToParent / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Distribution of OPCo Generation to Parent |
|
|
13,000aep_DistributionOfOPCoGenerationToParent / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Ending Balance in AOCI |
0us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
105,000us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(912,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Commodity |
|
|
|
|
|
|
Subtotal - Commodity |
(162,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
34,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Interest Rate and Foreign Currency |
|
|
|
|
|
|
Subtotal - Interest Rate and Foreign Currency |
(162,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
34,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Reclassifications from AOCI, before Income Tax (Expense) Credit |
(162,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
34,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
(105,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
22,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Gains and Losses on Securities Available for Sale |
|
|
|
|
|
|
Reclassifications from AOCI, before Income Tax (Expense) Credit |
(162,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
34,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
(105,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
22,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Pension and OPEB |
|
|
|
|
|
|
Reclassifications from AOCI, before Income Tax (Expense) Credit |
(162,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
34,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
(105,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
22,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
(105,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
22,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Total Accumulated Other Comprehensive Income (Loss) Activity for Cash Flow Hedges |
|
|
|
|
|
|
Balance in AOCI |
|
|
(912,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(1,748,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Changes in Fair Value Recognized in AOCI |
|
|
|
|
(2,002,000)us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Amount of (Gain) or Loss Reclassified from AOCI to Statement of Income/within Balance Sheet |
|
|
|
|
|
|
Balance in AOCI |
|
|
|
|
(912,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Ohio Power Co [Member] | Interest Rate and Foreign Currency [Member] |
|
|
|
|
|
|
Amount of (Gain) or Loss Reclassified from AOCI to Statement of Income/within Balance Sheet |
|
|
|
|
|
|
Balance in AOCI |
5,602,000us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_OhioPowerCoMember |
|
6,974,000us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_OhioPowerCoMember |
|
|
|
Ohio Power Co [Member] | Interest Rate and Foreign Currency [Member] | Cash Flow Hedges [Member] |
|
|
|
|
|
|
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |
|
|
|
|
|
|
Beginning Balance in AOCI |
6,974,000us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
8,095,000us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Change in Fair Value Recognized in AOCI |
0aep_OtherComprehensiveIncomeUnrealizedGainLossArisingDuringPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
0aep_OtherComprehensiveIncomeUnrealizedGainLossArisingDuringPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Amounts Reclassified from AOCI |
(1,372,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(1,359,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Net Current Period Other Comprehensive Income |
(1,372,000)us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(1,359,000)us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Distribution of Cook Coal Terminal to Parent |
|
|
0aep_DistributionOfCookCoalTerminalToParent / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Distribution of OPCo Generation to Parent |
|
|
238,000aep_DistributionOfOPCoGenerationToParent / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Ending Balance in AOCI |
5,602,000us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
6,974,000us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
8,095,000us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Commodity |
|
|
|
|
|
|
Subtotal - Commodity |
(2,111,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(2,091,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Interest Rate and Foreign Currency |
|
|
|
|
|
|
Subtotal - Interest Rate and Foreign Currency |
(2,111,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(2,091,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Reclassifications from AOCI, before Income Tax (Expense) Credit |
(2,111,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(2,091,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
(1,372,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(1,359,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Gains and Losses on Securities Available for Sale |
|
|
|
|
|
|
Reclassifications from AOCI, before Income Tax (Expense) Credit |
(2,111,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(2,091,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
(1,372,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(1,359,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Pension and OPEB |
|
|
|
|
|
|
Reclassifications from AOCI, before Income Tax (Expense) Credit |
(2,111,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(2,091,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
(1,372,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(1,359,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
(1,372,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(1,359,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Total Accumulated Other Comprehensive Income (Loss) Activity for Cash Flow Hedges |
|
|
|
|
|
|
Balance in AOCI |
|
|
8,095,000us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
9,454,000us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Changes in Fair Value Recognized in AOCI |
|
|
|
|
0us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Amount of (Gain) or Loss Reclassified from AOCI to Statement of Income/within Balance Sheet |
|
|
|
|
|
|
Balance in AOCI |
|
|
|
|
8,095,000us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Ohio Power Co [Member] | Reclassifications from Accumulated Other Comprehensive Income [Member] | Cash Flow Hedges [Member] |
|
|
|
|
|
|
Commodity |
|
|
|
|
|
|
Vertically Integrated Utilities Revenues |
|
|
|
|
(109,000)us-gaap_ElectricUtilityRevenue / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Purchased Electricity for Resale |
|
|
|
|
3,002,000us-gaap_CostOfPurchasedPower / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Other Operation Expense |
|
|
|
|
(35,000)us-gaap_UtilitiesOperatingExpenseOperations / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Maintenance Expense |
|
|
|
|
(5,000)us-gaap_UtilitiesOperatingExpenseMaintenance / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Property, Plant and Equipment |
|
|
|
|
(15,000)aep_ReclassificationsIntoPropertyPlantAndEquipment / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Regulatory Assets/(Liabilities), Net |
|
|
|
|
0aep_ReclassificationsIntoRegulatoryAssetsOrLiabilitiesNet / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
[1] |
Interest Rate and Foreign Currency |
|
|
|
|
|
|
Depreciation and Amortization Expense |
|
|
|
|
4,000us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Interest Expense |
|
|
|
|
(1,363,000)us-gaap_InterestExpense / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Income Tax (Expense) Credit |
(796,000)us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(720,000)us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Gains and Losses on Securities Available for Sale |
|
|
|
|
|
|
Interest Expense |
|
|
|
|
(1,363,000)us-gaap_InterestExpense / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Income Tax (Expense) Credit |
(796,000)us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(720,000)us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Pension and OPEB |
|
|
|
|
|
|
Income Tax (Expense) Credit |
(796,000)us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(720,000)us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Amount of (Gain) or Loss Reclassified from AOCI to Statement of Income/within Balance Sheet |
|
|
|
|
|
|
Vertically Integrated Utilities Revenues |
|
|
|
|
(109,000)us-gaap_ElectricUtilityRevenue / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Purchased Electricity for Resale |
|
|
|
|
3,002,000us-gaap_CostOfPurchasedPower / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Other Operation Expense |
|
|
|
|
(35,000)us-gaap_UtilitiesOperatingExpenseOperations / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Maintenance Expense |
|
|
|
|
(5,000)us-gaap_UtilitiesOperatingExpenseMaintenance / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Depreciation and Amortization Expense |
|
|
|
|
4,000us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Interest Expense |
|
|
|
|
(1,363,000)us-gaap_InterestExpense / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Property, Plant and Equipment |
|
|
|
|
(15,000)aep_ReclassificationsIntoPropertyPlantAndEquipment / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Regulatory Assets |
|
|
|
|
0aep_ReclassificationsIntoRegulatoryAssetsOrLiabilitiesNet / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
[1] |
Ohio Power Co [Member] | Reclassifications from Accumulated Other Comprehensive Income [Member] | Pension and OPEB [Member] |
|
|
|
|
|
|
Interest Rate and Foreign Currency |
|
|
|
|
|
|
Income Tax (Expense) Credit |
0us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
6,736,000us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Gains and Losses on Securities Available for Sale |
|
|
|
|
|
|
Income Tax (Expense) Credit |
0us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
6,736,000us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Pension and OPEB |
|
|
|
|
|
|
Income Tax (Expense) Credit |
0us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
6,736,000us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Ohio Power Co [Member] | Reclassifications from Accumulated Other Comprehensive Income [Member] | Commodity [Member] | Cash Flow Hedges [Member] |
|
|
|
|
|
|
Commodity |
|
|
|
|
|
|
Vertically Integrated Utilities Revenues |
0us-gaap_ElectricUtilityRevenue / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(415,000)us-gaap_ElectricUtilityRevenue / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(109,000)us-gaap_ElectricUtilityRevenue / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Purchased Electricity for Resale |
0us-gaap_CostOfPurchasedPower / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
576,000us-gaap_CostOfPurchasedPower / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
3,002,000us-gaap_CostOfPurchasedPower / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Other Operation Expense |
(11,000)us-gaap_UtilitiesOperatingExpenseOperations / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(56,000)us-gaap_UtilitiesOperatingExpenseOperations / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(35,000)us-gaap_UtilitiesOperatingExpenseOperations / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Maintenance Expense |
(11,000)us-gaap_UtilitiesOperatingExpenseMaintenance / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(26,000)us-gaap_UtilitiesOperatingExpenseMaintenance / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(5,000)us-gaap_UtilitiesOperatingExpenseMaintenance / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Property, Plant and Equipment |
(18,000)aep_ReclassificationsIntoPropertyPlantAndEquipment / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(45,000)aep_ReclassificationsIntoPropertyPlantAndEquipment / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(15,000)aep_ReclassificationsIntoPropertyPlantAndEquipment / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Regulatory Assets/(Liabilities), Net |
(122,000)aep_ReclassificationsIntoRegulatoryAssetsOrLiabilitiesNet / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
[1] |
0aep_ReclassificationsIntoRegulatoryAssetsOrLiabilitiesNet / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
[1] |
0aep_ReclassificationsIntoRegulatoryAssetsOrLiabilitiesNet / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
[1] |
Amount of (Gain) or Loss Reclassified from AOCI to Statement of Income/within Balance Sheet |
|
|
|
|
|
|
Vertically Integrated Utilities Revenues |
0us-gaap_ElectricUtilityRevenue / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(415,000)us-gaap_ElectricUtilityRevenue / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(109,000)us-gaap_ElectricUtilityRevenue / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Purchased Electricity for Resale |
0us-gaap_CostOfPurchasedPower / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
576,000us-gaap_CostOfPurchasedPower / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
3,002,000us-gaap_CostOfPurchasedPower / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Other Operation Expense |
(11,000)us-gaap_UtilitiesOperatingExpenseOperations / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(56,000)us-gaap_UtilitiesOperatingExpenseOperations / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(35,000)us-gaap_UtilitiesOperatingExpenseOperations / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Maintenance Expense |
(11,000)us-gaap_UtilitiesOperatingExpenseMaintenance / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(26,000)us-gaap_UtilitiesOperatingExpenseMaintenance / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(5,000)us-gaap_UtilitiesOperatingExpenseMaintenance / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Property, Plant and Equipment |
(18,000)aep_ReclassificationsIntoPropertyPlantAndEquipment / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(45,000)aep_ReclassificationsIntoPropertyPlantAndEquipment / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(15,000)aep_ReclassificationsIntoPropertyPlantAndEquipment / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Regulatory Assets |
(122,000)aep_ReclassificationsIntoRegulatoryAssetsOrLiabilitiesNet / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
[1] |
0aep_ReclassificationsIntoRegulatoryAssetsOrLiabilitiesNet / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
[1] |
0aep_ReclassificationsIntoRegulatoryAssetsOrLiabilitiesNet / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
[1] |
Ohio Power Co [Member] | Reclassifications from Accumulated Other Comprehensive Income [Member] | Interest Rate and Foreign Currency [Member] | Cash Flow Hedges [Member] |
|
|
|
|
|
|
Interest Rate and Foreign Currency |
|
|
|
|
|
|
Depreciation and Amortization Expense |
(13,000)us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
7,000us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
4,000us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Interest Expense |
(2,098,000)us-gaap_InterestExpense / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(2,098,000)us-gaap_InterestExpense / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(1,363,000)us-gaap_InterestExpense / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Gains and Losses on Securities Available for Sale |
|
|
|
|
|
|
Interest Expense |
(2,098,000)us-gaap_InterestExpense / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(2,098,000)us-gaap_InterestExpense / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(1,363,000)us-gaap_InterestExpense / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Amount of (Gain) or Loss Reclassified from AOCI to Statement of Income/within Balance Sheet |
|
|
|
|
|
|
Depreciation and Amortization Expense |
(13,000)us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
7,000us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
4,000us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Interest Expense |
(2,098,000)us-gaap_InterestExpense / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(2,098,000)us-gaap_InterestExpense / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(1,363,000)us-gaap_InterestExpense / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_OhioPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Public Service Co Of Oklahoma [Member] |
|
|
|
|
|
|
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |
|
|
|
|
|
|
Beginning Balance in AOCI |
5,758,000us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember |
|
6,481,000us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember |
|
|
|
Change in Fair Value Recognized in AOCI |
0aep_OtherComprehensiveIncomeUnrealizedGainLossArisingDuringPeriodNetOfTax / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember |
|
68,000aep_OtherComprehensiveIncomeUnrealizedGainLossArisingDuringPeriodNetOfTax / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember |
|
|
|
Amounts Reclassified from AOCI |
(815,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember |
|
(791,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember |
|
|
|
Net Current Period Other Comprehensive Income |
(815,000)us-gaap_OtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember |
|
(723,000)us-gaap_OtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember |
|
(668,000)us-gaap_OtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember |
|
Ending Balance in AOCI |
4,943,000us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember |
|
5,758,000us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember |
|
6,481,000us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember |
|
Commodity |
|
|
|
|
|
|
Vertically Integrated Utilities Revenues |
1,340,307,000us-gaap_ElectricUtilityRevenue / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember |
|
1,277,711,000us-gaap_ElectricUtilityRevenue / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember |
|
1,206,583,000us-gaap_ElectricUtilityRevenue / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember |
|
Generation & Marketing Revenues |
4,215,000us-gaap_OtherSalesRevenueNet / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember |
|
3,565,000us-gaap_OtherSalesRevenueNet / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember |
|
3,752,000us-gaap_OtherSalesRevenueNet / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember |
|
Purchased Electricity for Resale |
385,029,000us-gaap_CostOfPurchasedPower / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember |
|
246,109,000us-gaap_CostOfPurchasedPower / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember |
|
208,676,000us-gaap_CostOfPurchasedPower / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember |
|
Other Operation Expense |
262,804,000us-gaap_UtilitiesOperatingExpenseOperations / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember |
|
225,500,000us-gaap_UtilitiesOperatingExpenseOperations / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember |
|
213,195,000us-gaap_UtilitiesOperatingExpenseOperations / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember |
|
Maintenance Expense |
107,952,000us-gaap_UtilitiesOperatingExpenseMaintenance / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember |
|
107,076,000us-gaap_UtilitiesOperatingExpenseMaintenance / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember |
|
106,835,000us-gaap_UtilitiesOperatingExpenseMaintenance / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember |
|
Interest Rate and Foreign Currency |
|
|
|
|
|
|
Depreciation and Amortization Expense |
100,977,000us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember |
|
95,667,000us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember |
|
95,180,000us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember |
|
Interest Expense |
54,641,000us-gaap_InterestExpense / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember |
|
53,175,000us-gaap_InterestExpense / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember |
|
55,286,000us-gaap_InterestExpense / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember |
|
Income Tax (Expense) Credit |
(50,582,000)us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember |
|
(65,885,000)us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember |
|
(66,694,000)us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember |
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
(815,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember |
|
(791,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember |
|
|
|
Gains and Losses on Securities Available for Sale |
|
|
|
|
|
|
Interest Expense |
54,641,000us-gaap_InterestExpense / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember |
|
53,175,000us-gaap_InterestExpense / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember |
|
55,286,000us-gaap_InterestExpense / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember |
|
Income Tax (Expense) Credit |
(50,582,000)us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember |
|
(65,885,000)us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember |
|
(66,694,000)us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember |
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
(815,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember |
|
(791,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember |
|
|
|
Pension and OPEB |
|
|
|
|
|
|
Income Tax (Expense) Credit |
(50,582,000)us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember |
|
(65,885,000)us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember |
|
(66,694,000)us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember |
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
(815,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember |
|
(791,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
(815,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember |
|
(791,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember |
|
|
|
Amount of (Gain) or Loss Reclassified from AOCI to Statement of Income/within Balance Sheet |
|
|
|
|
|
|
Vertically Integrated Utilities Revenues |
1,340,307,000us-gaap_ElectricUtilityRevenue / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember |
|
1,277,711,000us-gaap_ElectricUtilityRevenue / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember |
|
1,206,583,000us-gaap_ElectricUtilityRevenue / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember |
|
Generation & Marketing Revenues |
4,215,000us-gaap_OtherSalesRevenueNet / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember |
|
3,565,000us-gaap_OtherSalesRevenueNet / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember |
|
3,752,000us-gaap_OtherSalesRevenueNet / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember |
|
Purchased Electricity for Resale |
385,029,000us-gaap_CostOfPurchasedPower / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember |
|
246,109,000us-gaap_CostOfPurchasedPower / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember |
|
208,676,000us-gaap_CostOfPurchasedPower / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember |
|
Other Operation Expense |
262,804,000us-gaap_UtilitiesOperatingExpenseOperations / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember |
|
225,500,000us-gaap_UtilitiesOperatingExpenseOperations / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember |
|
213,195,000us-gaap_UtilitiesOperatingExpenseOperations / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember |
|
Maintenance Expense |
107,952,000us-gaap_UtilitiesOperatingExpenseMaintenance / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember |
|
107,076,000us-gaap_UtilitiesOperatingExpenseMaintenance / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember |
|
106,835,000us-gaap_UtilitiesOperatingExpenseMaintenance / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember |
|
Depreciation and Amortization Expense |
100,977,000us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember |
|
95,667,000us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember |
|
95,180,000us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember |
|
Interest Expense |
54,641,000us-gaap_InterestExpense / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember |
|
53,175,000us-gaap_InterestExpense / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember |
|
55,286,000us-gaap_InterestExpense / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember |
|
Public Service Co Of Oklahoma [Member] | Cash Flow Hedges [Member] |
|
|
|
|
|
|
Commodity |
|
|
|
|
|
|
Subtotal - Commodity |
(1,255,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(1,217,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Interest Rate and Foreign Currency |
|
|
|
|
|
|
Subtotal - Interest Rate and Foreign Currency |
(1,255,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(1,217,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Reclassifications from AOCI, before Income Tax (Expense) Credit |
(1,255,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(1,217,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Gains and Losses on Securities Available for Sale |
|
|
|
|
|
|
Reclassifications from AOCI, before Income Tax (Expense) Credit |
(1,255,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(1,217,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Pension and OPEB |
|
|
|
|
|
|
Reclassifications from AOCI, before Income Tax (Expense) Credit |
(1,255,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(1,217,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Total Accumulated Other Comprehensive Income (Loss) Activity for Cash Flow Hedges |
|
|
|
|
|
|
Balance in AOCI |
|
|
6,481,000us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
7,149,000us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Changes in Fair Value Recognized in AOCI |
|
|
|
|
104,000us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Amount of (Gain) or Loss Reclassified from AOCI to Statement of Income/within Balance Sheet |
|
|
|
|
|
|
Balance in AOCI |
|
|
|
|
6,481,000us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Public Service Co Of Oklahoma [Member] | Accumulated Other Comprehensive Income [Member] |
|
|
|
|
|
|
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |
|
|
|
|
|
|
Net Current Period Other Comprehensive Income |
(815,000)us-gaap_OtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember |
|
(723,000)us-gaap_OtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember |
|
(668,000)us-gaap_OtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember |
|
Public Service Co Of Oklahoma [Member] | Commodity [Member] |
|
|
|
|
|
|
Amount of (Gain) or Loss Reclassified from AOCI to Statement of Income/within Balance Sheet |
|
|
|
|
|
|
Balance in AOCI |
0us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember |
|
57,000us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember |
|
|
|
Public Service Co Of Oklahoma [Member] | Commodity [Member] | Cash Flow Hedges [Member] |
|
|
|
|
|
|
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |
|
|
|
|
|
|
Beginning Balance in AOCI |
57,000us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
21,000us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Change in Fair Value Recognized in AOCI |
0aep_OtherComprehensiveIncomeUnrealizedGainLossArisingDuringPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
68,000aep_OtherComprehensiveIncomeUnrealizedGainLossArisingDuringPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Amounts Reclassified from AOCI |
(57,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(32,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Net Current Period Other Comprehensive Income |
(57,000)us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
36,000us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Ending Balance in AOCI |
0us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
57,000us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
21,000us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Commodity |
|
|
|
|
|
|
Subtotal - Commodity |
(88,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(50,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Interest Rate and Foreign Currency |
|
|
|
|
|
|
Subtotal - Interest Rate and Foreign Currency |
(88,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(50,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Reclassifications from AOCI, before Income Tax (Expense) Credit |
(88,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(50,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
(57,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(32,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Gains and Losses on Securities Available for Sale |
|
|
|
|
|
|
Reclassifications from AOCI, before Income Tax (Expense) Credit |
(88,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(50,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
(57,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(32,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Pension and OPEB |
|
|
|
|
|
|
Reclassifications from AOCI, before Income Tax (Expense) Credit |
(88,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(50,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
(57,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(32,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
(57,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(32,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Total Accumulated Other Comprehensive Income (Loss) Activity for Cash Flow Hedges |
|
|
|
|
|
|
Balance in AOCI |
|
|
21,000us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(69,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Changes in Fair Value Recognized in AOCI |
|
|
|
|
104,000us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Amount of (Gain) or Loss Reclassified from AOCI to Statement of Income/within Balance Sheet |
|
|
|
|
|
|
Balance in AOCI |
|
|
|
|
21,000us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Public Service Co Of Oklahoma [Member] | Interest Rate and Foreign Currency [Member] |
|
|
|
|
|
|
Amount of (Gain) or Loss Reclassified from AOCI to Statement of Income/within Balance Sheet |
|
|
|
|
|
|
Balance in AOCI |
4,943,000us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember |
|
5,701,000us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember |
|
|
|
Public Service Co Of Oklahoma [Member] | Interest Rate and Foreign Currency [Member] | Cash Flow Hedges [Member] |
|
|
|
|
|
|
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |
|
|
|
|
|
|
Beginning Balance in AOCI |
5,701,000us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
6,460,000us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Change in Fair Value Recognized in AOCI |
0aep_OtherComprehensiveIncomeUnrealizedGainLossArisingDuringPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
0aep_OtherComprehensiveIncomeUnrealizedGainLossArisingDuringPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Amounts Reclassified from AOCI |
(758,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(759,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Net Current Period Other Comprehensive Income |
(758,000)us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(759,000)us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Ending Balance in AOCI |
4,943,000us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
5,701,000us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
6,460,000us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Commodity |
|
|
|
|
|
|
Subtotal - Commodity |
(1,167,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(1,167,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Interest Rate and Foreign Currency |
|
|
|
|
|
|
Subtotal - Interest Rate and Foreign Currency |
(1,167,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(1,167,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Reclassifications from AOCI, before Income Tax (Expense) Credit |
(1,167,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(1,167,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
(758,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(759,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Gains and Losses on Securities Available for Sale |
|
|
|
|
|
|
Reclassifications from AOCI, before Income Tax (Expense) Credit |
(1,167,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(1,167,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
(758,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(759,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Pension and OPEB |
|
|
|
|
|
|
Reclassifications from AOCI, before Income Tax (Expense) Credit |
(1,167,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(1,167,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
(758,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(759,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
(758,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(759,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Total Accumulated Other Comprehensive Income (Loss) Activity for Cash Flow Hedges |
|
|
|
|
|
|
Balance in AOCI |
|
|
6,460,000us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
7,218,000us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Changes in Fair Value Recognized in AOCI |
|
|
|
|
0us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Amount of (Gain) or Loss Reclassified from AOCI to Statement of Income/within Balance Sheet |
|
|
|
|
|
|
Balance in AOCI |
|
|
|
|
6,460,000us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Public Service Co Of Oklahoma [Member] | Reclassifications from Accumulated Other Comprehensive Income [Member] | Cash Flow Hedges [Member] |
|
|
|
|
|
|
Commodity |
|
|
|
|
|
|
Vertically Integrated Utilities Revenues |
|
|
|
|
0us-gaap_ElectricUtilityRevenue / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Purchased Electricity for Resale |
|
|
|
|
0us-gaap_CostOfPurchasedPower / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Other Operation Expense |
|
|
|
|
(14,000)us-gaap_UtilitiesOperatingExpenseOperations / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Maintenance Expense |
|
|
|
|
1,000us-gaap_UtilitiesOperatingExpenseMaintenance / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Property, Plant and Equipment |
|
|
|
|
(1,000)aep_ReclassificationsIntoPropertyPlantAndEquipment / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Regulatory Assets/(Liabilities), Net |
|
|
|
|
0aep_ReclassificationsIntoRegulatoryAssetsOrLiabilitiesNet / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
[1] |
Interest Rate and Foreign Currency |
|
|
|
|
|
|
Depreciation and Amortization Expense |
|
|
|
|
0us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Interest Expense |
|
|
|
|
(758,000)us-gaap_InterestExpense / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Income Tax (Expense) Credit |
(440,000)us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(426,000)us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Gains and Losses on Securities Available for Sale |
|
|
|
|
|
|
Interest Expense |
|
|
|
|
(758,000)us-gaap_InterestExpense / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Income Tax (Expense) Credit |
(440,000)us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(426,000)us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Pension and OPEB |
|
|
|
|
|
|
Income Tax (Expense) Credit |
(440,000)us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(426,000)us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Amount of (Gain) or Loss Reclassified from AOCI to Statement of Income/within Balance Sheet |
|
|
|
|
|
|
Vertically Integrated Utilities Revenues |
|
|
|
|
0us-gaap_ElectricUtilityRevenue / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Purchased Electricity for Resale |
|
|
|
|
0us-gaap_CostOfPurchasedPower / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Other Operation Expense |
|
|
|
|
(14,000)us-gaap_UtilitiesOperatingExpenseOperations / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Maintenance Expense |
|
|
|
|
1,000us-gaap_UtilitiesOperatingExpenseMaintenance / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Depreciation and Amortization Expense |
|
|
|
|
0us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Interest Expense |
|
|
|
|
(758,000)us-gaap_InterestExpense / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Property, Plant and Equipment |
|
|
|
|
(1,000)aep_ReclassificationsIntoPropertyPlantAndEquipment / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Regulatory Assets |
|
|
|
|
0aep_ReclassificationsIntoRegulatoryAssetsOrLiabilitiesNet / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
[1] |
Public Service Co Of Oklahoma [Member] | Reclassifications from Accumulated Other Comprehensive Income [Member] | Commodity [Member] | Cash Flow Hedges [Member] |
|
|
|
|
|
|
Commodity |
|
|
|
|
|
|
Vertically Integrated Utilities Revenues |
|
|
|
|
0us-gaap_ElectricUtilityRevenue / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Purchased Electricity for Resale |
|
|
|
|
0us-gaap_CostOfPurchasedPower / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Other Operation Expense |
(8,000)us-gaap_UtilitiesOperatingExpenseOperations / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(25,000)us-gaap_UtilitiesOperatingExpenseOperations / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(14,000)us-gaap_UtilitiesOperatingExpenseOperations / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Maintenance Expense |
(9,000)us-gaap_UtilitiesOperatingExpenseMaintenance / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(10,000)us-gaap_UtilitiesOperatingExpenseMaintenance / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
1,000us-gaap_UtilitiesOperatingExpenseMaintenance / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Property, Plant and Equipment |
(13,000)aep_ReclassificationsIntoPropertyPlantAndEquipment / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(15,000)aep_ReclassificationsIntoPropertyPlantAndEquipment / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(1,000)aep_ReclassificationsIntoPropertyPlantAndEquipment / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Regulatory Assets/(Liabilities), Net |
(58,000)aep_ReclassificationsIntoRegulatoryAssetsOrLiabilitiesNet / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
[1] |
0aep_ReclassificationsIntoRegulatoryAssetsOrLiabilitiesNet / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
[1] |
0aep_ReclassificationsIntoRegulatoryAssetsOrLiabilitiesNet / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
[1] |
Amount of (Gain) or Loss Reclassified from AOCI to Statement of Income/within Balance Sheet |
|
|
|
|
|
|
Vertically Integrated Utilities Revenues |
|
|
|
|
0us-gaap_ElectricUtilityRevenue / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Purchased Electricity for Resale |
|
|
|
|
0us-gaap_CostOfPurchasedPower / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Other Operation Expense |
(8,000)us-gaap_UtilitiesOperatingExpenseOperations / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(25,000)us-gaap_UtilitiesOperatingExpenseOperations / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(14,000)us-gaap_UtilitiesOperatingExpenseOperations / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Maintenance Expense |
(9,000)us-gaap_UtilitiesOperatingExpenseMaintenance / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(10,000)us-gaap_UtilitiesOperatingExpenseMaintenance / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
1,000us-gaap_UtilitiesOperatingExpenseMaintenance / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Property, Plant and Equipment |
(13,000)aep_ReclassificationsIntoPropertyPlantAndEquipment / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(15,000)aep_ReclassificationsIntoPropertyPlantAndEquipment / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(1,000)aep_ReclassificationsIntoPropertyPlantAndEquipment / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Regulatory Assets |
(58,000)aep_ReclassificationsIntoRegulatoryAssetsOrLiabilitiesNet / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
[1] |
0aep_ReclassificationsIntoRegulatoryAssetsOrLiabilitiesNet / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
[1] |
0aep_ReclassificationsIntoRegulatoryAssetsOrLiabilitiesNet / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
[1] |
Public Service Co Of Oklahoma [Member] | Reclassifications from Accumulated Other Comprehensive Income [Member] | Interest Rate and Foreign Currency [Member] | Cash Flow Hedges [Member] |
|
|
|
|
|
|
Interest Rate and Foreign Currency |
|
|
|
|
|
|
Depreciation and Amortization Expense |
|
|
|
|
0us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Interest Expense |
(1,167,000)us-gaap_InterestExpense / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(1,167,000)us-gaap_InterestExpense / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(758,000)us-gaap_InterestExpense / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Gains and Losses on Securities Available for Sale |
|
|
|
|
|
|
Interest Expense |
(1,167,000)us-gaap_InterestExpense / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(1,167,000)us-gaap_InterestExpense / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(758,000)us-gaap_InterestExpense / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Amount of (Gain) or Loss Reclassified from AOCI to Statement of Income/within Balance Sheet |
|
|
|
|
|
|
Depreciation and Amortization Expense |
|
|
|
|
0us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Interest Expense |
(1,167,000)us-gaap_InterestExpense / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(1,167,000)us-gaap_InterestExpense / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(758,000)us-gaap_InterestExpense / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_PublicServiceCoOfOklahomaMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Southwestern Electric Power Co [Member] |
|
|
|
|
|
|
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |
|
|
|
|
|
|
Beginning Balance in AOCI |
(8,444,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember |
|
(17,860,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember |
|
|
|
Change in Fair Value Recognized in AOCI |
(285,000)aep_OtherComprehensiveIncomeUnrealizedGainLossArisingDuringPeriodNetOfTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember |
|
7,443,000aep_OtherComprehensiveIncomeUnrealizedGainLossArisingDuringPeriodNetOfTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember |
|
|
|
Amounts Reclassified from AOCI |
1,263,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember |
|
1,973,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember |
|
|
|
Net Current Period Other Comprehensive Income |
978,000us-gaap_OtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember |
|
9,416,000us-gaap_OtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember |
|
8,955,000us-gaap_OtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember |
|
Ending Balance in AOCI |
(7,466,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember |
|
(8,444,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember |
|
(17,860,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember |
|
Commodity |
|
|
|
|
|
|
Vertically Integrated Utilities Revenues |
1,817,863,000us-gaap_ElectricUtilityRevenue / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember |
|
1,742,575,000us-gaap_ElectricUtilityRevenue / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember |
|
1,538,533,000us-gaap_ElectricUtilityRevenue / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember |
|
Generation & Marketing Revenues |
2,256,000us-gaap_OtherSalesRevenueNet / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember |
|
1,416,000us-gaap_OtherSalesRevenueNet / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember |
|
1,860,000us-gaap_OtherSalesRevenueNet / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember |
|
Purchased Electricity for Resale |
178,105,000us-gaap_CostOfPurchasedPower / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember |
|
169,954,000us-gaap_CostOfPurchasedPower / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember |
|
131,706,000us-gaap_CostOfPurchasedPower / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember |
|
Other Operation Expense |
272,785,000us-gaap_UtilitiesOperatingExpenseOperations / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember |
|
250,676,000us-gaap_UtilitiesOperatingExpenseOperations / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember |
|
230,078,000us-gaap_UtilitiesOperatingExpenseOperations / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember |
|
Maintenance Expense |
149,243,000us-gaap_UtilitiesOperatingExpenseMaintenance / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember |
|
129,742,000us-gaap_UtilitiesOperatingExpenseMaintenance / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember |
|
117,415,000us-gaap_UtilitiesOperatingExpenseMaintenance / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember |
|
Interest Rate and Foreign Currency |
|
|
|
|
|
|
Depreciation and Amortization Expense |
185,134,000us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember |
|
179,251,000us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember |
|
138,778,000us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember |
|
Interest Expense |
126,127,000us-gaap_InterestExpense / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember |
|
130,282,000us-gaap_InterestExpense / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember |
|
88,318,000us-gaap_InterestExpense / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember |
|
Income Tax (Expense) Credit |
(66,420,000)us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember |
|
(69,461,000)us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember |
|
(45,858,000)us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember |
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
1,263,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember |
|
1,973,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember |
|
|
|
Gains and Losses on Securities Available for Sale |
|
|
|
|
|
|
Interest Expense |
126,127,000us-gaap_InterestExpense / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember |
|
130,282,000us-gaap_InterestExpense / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember |
|
88,318,000us-gaap_InterestExpense / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember |
|
Income Tax (Expense) Credit |
(66,420,000)us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember |
|
(69,461,000)us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember |
|
(45,858,000)us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember |
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
1,263,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember |
|
1,973,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember |
|
|
|
Pension and OPEB |
|
|
|
|
|
|
Income Tax (Expense) Credit |
(66,420,000)us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember |
|
(69,461,000)us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember |
|
(45,858,000)us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember |
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
1,263,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember |
|
1,973,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
1,263,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember |
|
1,973,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember |
|
|
|
Amount of (Gain) or Loss Reclassified from AOCI to Statement of Income/within Balance Sheet |
|
|
|
|
|
|
Vertically Integrated Utilities Revenues |
1,817,863,000us-gaap_ElectricUtilityRevenue / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember |
|
1,742,575,000us-gaap_ElectricUtilityRevenue / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember |
|
1,538,533,000us-gaap_ElectricUtilityRevenue / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember |
|
Generation & Marketing Revenues |
2,256,000us-gaap_OtherSalesRevenueNet / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember |
|
1,416,000us-gaap_OtherSalesRevenueNet / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember |
|
1,860,000us-gaap_OtherSalesRevenueNet / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember |
|
Purchased Electricity for Resale |
178,105,000us-gaap_CostOfPurchasedPower / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember |
|
169,954,000us-gaap_CostOfPurchasedPower / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember |
|
131,706,000us-gaap_CostOfPurchasedPower / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember |
|
Other Operation Expense |
272,785,000us-gaap_UtilitiesOperatingExpenseOperations / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember |
|
250,676,000us-gaap_UtilitiesOperatingExpenseOperations / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember |
|
230,078,000us-gaap_UtilitiesOperatingExpenseOperations / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember |
|
Maintenance Expense |
149,243,000us-gaap_UtilitiesOperatingExpenseMaintenance / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember |
|
129,742,000us-gaap_UtilitiesOperatingExpenseMaintenance / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember |
|
117,415,000us-gaap_UtilitiesOperatingExpenseMaintenance / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember |
|
Depreciation and Amortization Expense |
185,134,000us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember |
|
179,251,000us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember |
|
138,778,000us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember |
|
Interest Expense |
126,127,000us-gaap_InterestExpense / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember |
|
130,282,000us-gaap_InterestExpense / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember |
|
88,318,000us-gaap_InterestExpense / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember |
|
Southwestern Electric Power Co [Member] | Cash Flow Hedges [Member] |
|
|
|
|
|
|
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |
|
|
|
|
|
|
Amounts Reclassified from AOCI |
2,202,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
2,228,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Commodity |
|
|
|
|
|
|
Subtotal - Commodity |
3,387,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
3,427,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Interest Rate and Foreign Currency |
|
|
|
|
|
|
Subtotal - Interest Rate and Foreign Currency |
3,387,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
3,427,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Reclassifications from AOCI, before Income Tax (Expense) Credit |
3,387,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
3,427,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
2,202,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
2,228,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Gains and Losses on Securities Available for Sale |
|
|
|
|
|
|
Reclassifications from AOCI, before Income Tax (Expense) Credit |
3,387,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
3,427,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
2,202,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
2,228,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Pension and OPEB |
|
|
|
|
|
|
Reclassifications from AOCI, before Income Tax (Expense) Credit |
3,387,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
3,427,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
2,202,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
2,228,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
2,202,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
2,228,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Total Accumulated Other Comprehensive Income (Loss) Activity for Cash Flow Hedges |
|
|
|
|
|
|
Balance in AOCI |
|
|
(15,549,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(15,524,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Changes in Fair Value Recognized in AOCI |
|
|
|
|
(2,678,000)us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Amount of (Gain) or Loss Reclassified from AOCI to Statement of Income/within Balance Sheet |
|
|
|
|
|
|
Balance in AOCI |
|
|
|
|
(15,549,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Southwestern Electric Power Co [Member] | Pension and OPEB [Member] |
|
|
|
|
|
|
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |
|
|
|
|
|
|
Amounts Reclassified from AOCI |
(939,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
(255,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Commodity |
|
|
|
|
|
|
Subtotal - Commodity |
(1,444,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
(392,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Interest Rate and Foreign Currency |
|
|
|
|
|
|
Subtotal - Interest Rate and Foreign Currency |
(1,444,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
(392,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Reclassifications from AOCI, before Income Tax (Expense) Credit |
(1,444,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
(392,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
(939,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
(255,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Gains and Losses on Securities Available for Sale |
|
|
|
|
|
|
Reclassifications from AOCI, before Income Tax (Expense) Credit |
(1,444,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
(392,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
(939,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
(255,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Pension and OPEB |
|
|
|
|
|
|
Amortization of Prior Service Cost (Credit) |
(1,912,000)us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
(1,785,000)us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Amortization of Actuarial Gain (Loss) |
468,000us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
1,393,000us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Reclassifications from AOCI, before Income Tax (Expense) Credit |
(1,444,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
(392,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
(939,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
(255,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
(939,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
(255,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Southwestern Electric Power Co [Member] | Pension and OPEB [Member] | Amortization of Deferred Costs [Member] |
|
|
|
|
|
|
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |
|
|
|
|
|
|
Beginning Balance in AOCI |
4,523,000us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
4,778,000us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Change in Fair Value Recognized in AOCI |
0aep_OtherComprehensiveIncomeUnrealizedGainLossArisingDuringPeriodNetOfTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
0aep_OtherComprehensiveIncomeUnrealizedGainLossArisingDuringPeriodNetOfTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Amounts Reclassified from AOCI |
(939,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
(255,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Net Current Period Other Comprehensive Income |
(939,000)us-gaap_OtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
(255,000)us-gaap_OtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Ending Balance in AOCI |
3,584,000us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
4,523,000us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Interest Rate and Foreign Currency |
|
|
|
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
(939,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
(255,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Gains and Losses on Securities Available for Sale |
|
|
|
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
(939,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
(255,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Pension and OPEB |
|
|
|
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
(939,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
(255,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
(939,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
(255,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / aep_PensionAndOpebActivityAxis = aep_AmortizationOfDeferredCostsMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Southwestern Electric Power Co [Member] | Pension and OPEB [Member] | Changes in Funded Status [Member] |
|
|
|
|
|
|
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |
|
|
|
|
|
|
Beginning Balance in AOCI |
271,000us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
(7,089,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Change in Fair Value Recognized in AOCI |
(285,000)aep_OtherComprehensiveIncomeUnrealizedGainLossArisingDuringPeriodNetOfTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
7,360,000aep_OtherComprehensiveIncomeUnrealizedGainLossArisingDuringPeriodNetOfTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Amounts Reclassified from AOCI |
0us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
0us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Net Current Period Other Comprehensive Income |
(285,000)us-gaap_OtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
7,360,000us-gaap_OtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Ending Balance in AOCI |
(14,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
271,000us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Interest Rate and Foreign Currency |
|
|
|
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
0us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
0us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Gains and Losses on Securities Available for Sale |
|
|
|
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
0us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
0us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Pension and OPEB |
|
|
|
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
0us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
0us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
0us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
0us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / aep_PensionAndOpebActivityAxis = aep_ChangesInFundedStatusMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Southwestern Electric Power Co [Member] | Accumulated Other Comprehensive Income [Member] |
|
|
|
|
|
|
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |
|
|
|
|
|
|
Net Current Period Other Comprehensive Income |
978,000us-gaap_OtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember |
|
9,416,000us-gaap_OtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember |
|
8,955,000us-gaap_OtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember |
|
Southwestern Electric Power Co [Member] | Commodity [Member] |
|
|
|
|
|
|
Amount of (Gain) or Loss Reclassified from AOCI to Statement of Income/within Balance Sheet |
|
|
|
|
|
|
Balance in AOCI |
0us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember |
|
66,000us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember |
|
|
|
Southwestern Electric Power Co [Member] | Commodity [Member] | Cash Flow Hedges [Member] |
|
|
|
|
|
|
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |
|
|
|
|
|
|
Beginning Balance in AOCI |
66,000us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
22,000us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Change in Fair Value Recognized in AOCI |
0aep_OtherComprehensiveIncomeUnrealizedGainLossArisingDuringPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
83,000aep_OtherComprehensiveIncomeUnrealizedGainLossArisingDuringPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Amounts Reclassified from AOCI |
(66,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(39,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Net Current Period Other Comprehensive Income |
(66,000)us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
44,000us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Ending Balance in AOCI |
0us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
66,000us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
22,000us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Commodity |
|
|
|
|
|
|
Subtotal - Commodity |
(101,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(61,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Interest Rate and Foreign Currency |
|
|
|
|
|
|
Subtotal - Interest Rate and Foreign Currency |
(101,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(61,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Reclassifications from AOCI, before Income Tax (Expense) Credit |
(101,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(61,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
(66,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(39,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Gains and Losses on Securities Available for Sale |
|
|
|
|
|
|
Reclassifications from AOCI, before Income Tax (Expense) Credit |
(101,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(61,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
(66,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(39,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Pension and OPEB |
|
|
|
|
|
|
Reclassifications from AOCI, before Income Tax (Expense) Credit |
(101,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(61,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
(66,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(39,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
(66,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(39,000)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Total Accumulated Other Comprehensive Income (Loss) Activity for Cash Flow Hedges |
|
|
|
|
|
|
Balance in AOCI |
|
|
22,000us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(62,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Changes in Fair Value Recognized in AOCI |
|
|
|
|
100,000us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Amount of (Gain) or Loss Reclassified from AOCI to Statement of Income/within Balance Sheet |
|
|
|
|
|
|
Balance in AOCI |
|
|
|
|
22,000us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Southwestern Electric Power Co [Member] | Interest Rate and Foreign Currency [Member] |
|
|
|
|
|
|
Amount of (Gain) or Loss Reclassified from AOCI to Statement of Income/within Balance Sheet |
|
|
|
|
|
|
Balance in AOCI |
(11,036,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember |
|
(13,304,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember |
|
|
|
Southwestern Electric Power Co [Member] | Interest Rate and Foreign Currency [Member] | Cash Flow Hedges [Member] |
|
|
|
|
|
|
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |
|
|
|
|
|
|
Beginning Balance in AOCI |
(13,304,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(15,571,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Change in Fair Value Recognized in AOCI |
0aep_OtherComprehensiveIncomeUnrealizedGainLossArisingDuringPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
0aep_OtherComprehensiveIncomeUnrealizedGainLossArisingDuringPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Amounts Reclassified from AOCI |
2,268,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
2,267,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Net Current Period Other Comprehensive Income |
2,268,000us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
2,267,000us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Ending Balance in AOCI |
(11,036,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(13,304,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(15,571,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Commodity |
|
|
|
|
|
|
Subtotal - Commodity |
3,488,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
3,488,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Interest Rate and Foreign Currency |
|
|
|
|
|
|
Subtotal - Interest Rate and Foreign Currency |
3,488,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
3,488,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Reclassifications from AOCI, before Income Tax (Expense) Credit |
3,488,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
3,488,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
2,268,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
2,267,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Gains and Losses on Securities Available for Sale |
|
|
|
|
|
|
Reclassifications from AOCI, before Income Tax (Expense) Credit |
3,488,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
3,488,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
2,268,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
2,267,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Pension and OPEB |
|
|
|
|
|
|
Reclassifications from AOCI, before Income Tax (Expense) Credit |
3,488,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
3,488,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
2,268,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
2,267,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Reclassifications from AOCI, Net of Income Tax (Expense) Credit |
2,268,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
2,267,000us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Total Accumulated Other Comprehensive Income (Loss) Activity for Cash Flow Hedges |
|
|
|
|
|
|
Balance in AOCI |
|
|
(15,571,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(15,462,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Changes in Fair Value Recognized in AOCI |
|
|
|
|
(2,778,000)us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Amount of (Gain) or Loss Reclassified from AOCI to Statement of Income/within Balance Sheet |
|
|
|
|
|
|
Balance in AOCI |
|
|
|
|
(15,571,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Southwestern Electric Power Co [Member] | Reclassifications from Accumulated Other Comprehensive Income [Member] | Cash Flow Hedges [Member] |
|
|
|
|
|
|
Commodity |
|
|
|
|
|
|
Vertically Integrated Utilities Revenues |
|
|
|
|
0us-gaap_ElectricUtilityRevenue / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Purchased Electricity for Resale |
|
|
|
|
0us-gaap_CostOfPurchasedPower / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Other Operation Expense |
|
|
|
|
(11,000)us-gaap_UtilitiesOperatingExpenseOperations / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Maintenance Expense |
|
|
|
|
0us-gaap_UtilitiesOperatingExpenseMaintenance / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Property, Plant and Equipment |
|
|
|
|
(5,000)aep_ReclassificationsIntoPropertyPlantAndEquipment / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Regulatory Assets/(Liabilities), Net |
|
|
|
|
0aep_ReclassificationsIntoRegulatoryAssetsOrLiabilitiesNet / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
[1] |
Interest Rate and Foreign Currency |
|
|
|
|
|
|
Depreciation and Amortization Expense |
|
|
|
|
0us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Interest Expense |
|
|
|
|
2,669,000us-gaap_InterestExpense / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Income Tax (Expense) Credit |
1,185,000us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
1,199,000us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Gains and Losses on Securities Available for Sale |
|
|
|
|
|
|
Interest Expense |
|
|
|
|
2,669,000us-gaap_InterestExpense / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Income Tax (Expense) Credit |
1,185,000us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
1,199,000us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Pension and OPEB |
|
|
|
|
|
|
Income Tax (Expense) Credit |
1,185,000us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
1,199,000us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
|
|
Amount of (Gain) or Loss Reclassified from AOCI to Statement of Income/within Balance Sheet |
|
|
|
|
|
|
Vertically Integrated Utilities Revenues |
|
|
|
|
0us-gaap_ElectricUtilityRevenue / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Purchased Electricity for Resale |
|
|
|
|
0us-gaap_CostOfPurchasedPower / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Other Operation Expense |
|
|
|
|
(11,000)us-gaap_UtilitiesOperatingExpenseOperations / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Maintenance Expense |
|
|
|
|
0us-gaap_UtilitiesOperatingExpenseMaintenance / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Depreciation and Amortization Expense |
|
|
|
|
0us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Interest Expense |
|
|
|
|
2,669,000us-gaap_InterestExpense / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Property, Plant and Equipment |
|
|
|
|
(5,000)aep_ReclassificationsIntoPropertyPlantAndEquipment / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Regulatory Assets |
|
|
|
|
0aep_ReclassificationsIntoRegulatoryAssetsOrLiabilitiesNet / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
[1] |
Southwestern Electric Power Co [Member] | Reclassifications from Accumulated Other Comprehensive Income [Member] | Pension and OPEB [Member] |
|
|
|
|
|
|
Interest Rate and Foreign Currency |
|
|
|
|
|
|
Income Tax (Expense) Credit |
(505,000)us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
(137,000)us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Gains and Losses on Securities Available for Sale |
|
|
|
|
|
|
Income Tax (Expense) Credit |
(505,000)us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
(137,000)us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Pension and OPEB |
|
|
|
|
|
|
Income Tax (Expense) Credit |
(505,000)us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
(137,000)us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |
|
|
|
Southwestern Electric Power Co [Member] | Reclassifications from Accumulated Other Comprehensive Income [Member] | Commodity [Member] | Cash Flow Hedges [Member] |
|
|
|
|
|
|
Commodity |
|
|
|
|
|
|
Vertically Integrated Utilities Revenues |
|
|
|
|
0us-gaap_ElectricUtilityRevenue / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Purchased Electricity for Resale |
|
|
|
|
0us-gaap_CostOfPurchasedPower / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Other Operation Expense |
(13,000)us-gaap_UtilitiesOperatingExpenseOperations / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(29,000)us-gaap_UtilitiesOperatingExpenseOperations / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(11,000)us-gaap_UtilitiesOperatingExpenseOperations / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Maintenance Expense |
(10,000)us-gaap_UtilitiesOperatingExpenseMaintenance / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(15,000)us-gaap_UtilitiesOperatingExpenseMaintenance / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
0us-gaap_UtilitiesOperatingExpenseMaintenance / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Property, Plant and Equipment |
(11,000)aep_ReclassificationsIntoPropertyPlantAndEquipment / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(17,000)aep_ReclassificationsIntoPropertyPlantAndEquipment / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(5,000)aep_ReclassificationsIntoPropertyPlantAndEquipment / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Regulatory Assets/(Liabilities), Net |
(67,000)aep_ReclassificationsIntoRegulatoryAssetsOrLiabilitiesNet / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
[1] |
0aep_ReclassificationsIntoRegulatoryAssetsOrLiabilitiesNet / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
[1] |
0aep_ReclassificationsIntoRegulatoryAssetsOrLiabilitiesNet / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
[1] |
Amount of (Gain) or Loss Reclassified from AOCI to Statement of Income/within Balance Sheet |
|
|
|
|
|
|
Vertically Integrated Utilities Revenues |
|
|
|
|
0us-gaap_ElectricUtilityRevenue / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Purchased Electricity for Resale |
|
|
|
|
0us-gaap_CostOfPurchasedPower / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Other Operation Expense |
(13,000)us-gaap_UtilitiesOperatingExpenseOperations / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(29,000)us-gaap_UtilitiesOperatingExpenseOperations / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(11,000)us-gaap_UtilitiesOperatingExpenseOperations / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Maintenance Expense |
(10,000)us-gaap_UtilitiesOperatingExpenseMaintenance / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(15,000)us-gaap_UtilitiesOperatingExpenseMaintenance / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
0us-gaap_UtilitiesOperatingExpenseMaintenance / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
Property, Plant and Equipment |
(11,000)aep_ReclassificationsIntoPropertyPlantAndEquipment / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
|
(17,000)aep_ReclassificationsIntoPropertyPlantAndEquipment / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
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(5,000)aep_ReclassificationsIntoPropertyPlantAndEquipment / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
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Regulatory Assets |
(67,000)aep_ReclassificationsIntoRegulatoryAssetsOrLiabilitiesNet / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
[1] |
0aep_ReclassificationsIntoRegulatoryAssetsOrLiabilitiesNet / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
[1] |
0aep_ReclassificationsIntoRegulatoryAssetsOrLiabilitiesNet / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
[1] |
Southwestern Electric Power Co [Member] | Reclassifications from Accumulated Other Comprehensive Income [Member] | Interest Rate and Foreign Currency [Member] | Cash Flow Hedges [Member] |
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Interest Rate and Foreign Currency |
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Depreciation and Amortization Expense |
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0us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
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Interest Expense |
3,488,000us-gaap_InterestExpense / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
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3,488,000us-gaap_InterestExpense / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
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2,669,000us-gaap_InterestExpense / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
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Gains and Losses on Securities Available for Sale |
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Interest Expense |
3,488,000us-gaap_InterestExpense / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
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3,488,000us-gaap_InterestExpense / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
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2,669,000us-gaap_InterestExpense / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
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Amount of (Gain) or Loss Reclassified from AOCI to Statement of Income/within Balance Sheet |
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Depreciation and Amortization Expense |
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0us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
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Interest Expense |
$ 3,488,000us-gaap_InterestExpense / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
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$ 3,488,000us-gaap_InterestExpense / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
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$ 2,669,000us-gaap_InterestExpense / us-gaap_DerivativeInstrumentRiskAxis = aep_InterestRateAndForeignCurrencyMember / dei_LegalEntityAxis = aep_SouthwesternElectricPowerCoMember / us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis = us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
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