$AEP
AMERICAN ELECTRIC POWER CO INC Stock $aep

$aep Overview Financials Valuation SEC Filings Company Website

2015 Q3 Form 10-Q Financial Statement

#000000490415000048 Filed on October 22, 2015

Income Statement

Concept	2015 Q3	2014 Q3
Revenue	$4.431B	$4.161B
YoY Change	6.49%	-0.35%
Cost Of Revenue	$731.0M	$449.0M
YoY Change	62.81%	20.38%
Gross Profit	$3.701B	$3.712B
YoY Change	-0.3%	-2.39%
Gross Profit Margin	83.52%	89.2%
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$571.0M	$519.0M
YoY Change	10.02%	-5.29%
% of Gross Profit	15.43%	13.98%
Operating Expenses	$3.471B	$3.256B
YoY Change	6.61%	-1.36%
Operating Profit	$960.2M	$904.9M
YoY Change	6.11%	3.42%
Interest Expense	$220.2M	$217.0M
YoY Change	1.47%	-3.56%
% of Operating Profit	22.93%	23.98%
Other Income/Expense, Net	$1.000M	$7.000M
YoY Change	-85.71%	-12.5%
Pretax Income	$776.0M	$723.0M
YoY Change	7.33%	6.32%
Income Tax	$275.6M	$264.0M
% Of Pretax Income	35.52%	36.51%
Net Earnings	$519.6M	$494.4M
YoY Change	5.1%	13.92%
Net Earnings / Revenue	11.73%	11.88%
Basic Earnings Per Share	$1.06	$1.01
Diluted Earnings Per Share	$1.06	$1.01
COMMON SHARES
Basic Shares Outstanding	490.6M shares	488.9M shares
Diluted Shares Outstanding	490.8M shares	489.0M shares

Balance Sheet

Concept	2015 Q3	2014 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments	$493.0M	$512.0M
YoY Change	-3.71%	17.7%
Cash & Equivalents	$177.8M	$194.0M
Short-Term Investments	$315.0M	$318.0M
Other Short-Term Assets	$1.244B	$646.0M
YoY Change	92.57%	-13.87%
Inventory	$1.105B	$1.205B
Prepaid Expenses
Receivables	$1.853B	$1.855B
Other Receivables	$84.00M	$83.00M
Total Short-Term Assets	$4.548B	$4.111B
YoY Change	10.63%	-4.77%
LONG-TERM ASSETS
Property, Plant & Equipment	$45.24B	$43.06B
YoY Change	5.05%	8.01%
Goodwill	$53.00M	$91.00M
YoY Change	-41.76%	0.0%
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets	$2.069B	$1.944B
YoY Change	6.43%	37.48%
Total Long-Term Assets	$11.31B	$10.75B
YoY Change	5.24%	-0.24%
TOTAL ASSETS
Total Short-Term Assets	$4.548B	$4.111B
Total Long-Term Assets	$11.31B	$10.75B
Total Assets	$61.10B	$57.93B
YoY Change	5.48%	5.39%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$1.274B	$1.259B
YoY Change	1.19%	20.59%
Accrued Expenses	$236.0M	$219.0M
YoY Change	7.76%	0.0%
Deferred Revenue
YoY Change
Short-Term Debt	$782.0M	$1.282B
YoY Change	-39.0%	5.25%
Long-Term Debt Due	$1.826B	$2.381B
YoY Change	-23.31%	74.3%
Total Short-Term Liabilities	$7.058B	$7.457B
YoY Change	-5.35%	31.01%
LONG-TERM LIABILITIES
Long-Term Debt	$17.60B	$15.68B
YoY Change	12.27%	-3.24%
Other Long-Term Liabilities	$865.0M	$1.119B
YoY Change	-22.7%	25.59%
Total Long-Term Liabilities	$36.33B	$33.60B
YoY Change	8.14%	0.26%
TOTAL LIABILITIES
Total Short-Term Liabilities	$7.058B	$7.457B
Total Long-Term Liabilities	$36.33B	$33.60B
Total Liabilities	$43.39B	$41.05B
YoY Change	5.69%	4.73%
SHAREHOLDERS EQUITY
Retained Earnings	$8.204B	$7.470B
YoY Change	9.83%	12.09%
Common Stock	$3.322B	$3.312B
YoY Change	0.3%	0.39%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares	20.34M shares	20.34M shares
Shareholders Equity	$17.70B	$16.87B
YoY Change
Total Liabilities & Shareholders Equity	$61.10B	$57.93B
YoY Change	5.48%	5.39%

Cashflow Statement

Concept	2015 Q3	2014 Q3
OPERATING ACTIVITIES
Net Income	$519.6M	$494.4M
YoY Change	5.1%	13.92%
Depreciation, Depletion And Amortization	$571.0M	$519.0M
YoY Change	10.02%	-5.29%
Cash From Operating Activities	$1.717B	$1.528B
YoY Change	12.39%	0.26%
INVESTING ACTIVITIES
Capital Expenditures	-$1.102B	-$1.065B
YoY Change	3.5%	18.99%
Acquisitions
YoY Change
Other Investing Activities	$46.80M	$52.00M
YoY Change	-10.0%	188.89%
Cash From Investing Activities	-$1.056B	-$1.013B
YoY Change	4.2%	15.51%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-679.2M	-511.0M
YoY Change	32.92%	-17.18%
NET CHANGE
Cash From Operating Activities	1.717B	1.528B
Cash From Investing Activities	-1.056B	-1.013B
Cash From Financing Activities	-679.2M	-511.0M
Net Change In Cash	-17.40M	4.000M
YoY Change	-535.0%	-86.67%
FREE CASH FLOW
Cash From Operating Activities	$1.717B	$1.528B
Capital Expenditures	-$1.102B	-$1.065B
Free Cash Flow	$2.820B	$2.593B
YoY Change	8.74%	7.19%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
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CY2014Q4	aep	Accounts Receivable Customers AccountsReceivableCustomers	637000000	USD
CY2015Q3	aep	Accounts Receivable Customers AccountsReceivableCustomers	662000000	USD
CY2014Q4	aep	Accounts Receivable Retained Interest And Pledged As Collateral Less Uncollectible Accounts AccountsReceivableRetainedInterestAndPledgedAsCollateralLessUncollectibleAccounts	975000000	USD
CY2015Q3	aep	Accounts Receivable Retained Interest And Pledged As Collateral Less Uncollectible Accounts AccountsReceivableRetainedInterestAndPledgedAsCollateralLessUncollectibleAccounts	970000000	USD
	aep	Acquisition Of Nuclear Fuel Included In Current Liabilities AcquisitionOfNuclearFuelIncludedInCurrentLiabilities	0	USD
CY2014Q4	aep	Adjusted Cost Of Debt Securities AdjustedCostOfDebtSecurities	903000000	USD
CY2015Q3	aep	Adjusted Cost Of Debt Securities AdjustedCostOfDebtSecurities	766000000	USD
CY2014Q4	aep	Adjusted Cost Of Equity Securities AdjustedCostOfEquitySecurities	524000000	USD
CY2015Q3	aep	Adjusted Cost Of Equity Securities AdjustedCostOfEquitySecurities	551000000	USD
CY2014Q4	aep	Affiliated Long Term Debt Current AffiliatedLongTermDebtCurrent	0	USD
CY2015Q3	aep	Affiliated Long Term Debt Current AffiliatedLongTermDebtCurrent	0	USD
CY2014Q4	aep	Affiliated Long Term Debt Noncurrent AffiliatedLongTermDebtNoncurrent	0	USD
CY2015Q3	aep	Affiliated Long Term Debt Noncurrent AffiliatedLongTermDebtNoncurrent	0	USD
	aep	Amortization Of Nuclear Fuel AmortizationOfNuclearFuel	114000000	USD
	aep	Amortization Of Nuclear Fuel AmortizationOfNuclearFuel	102000000	USD
CY2014Q4	aep	Amount Attributable To Rto And Iso Activities AmountAttributableToRtoAndIsoActivities	36000000	USD
CY2015Q3	aep	Amount Attributable To Rto And Iso Activities AmountAttributableToRtoAndIsoActivities	35000000	USD
CY2014Q4	aep	Amount Attributableto Other Contracts AmountAttributabletoOtherContracts	281000000	USD
CY2015Q3	aep	Amount Attributableto Other Contracts AmountAttributabletoOtherContracts	299000000	USD
	aep	Anticipated Tx Income Franchise Tax Rate AnticipatedTXIncomeFranchiseTaxRate	0.01
	aep	Asset Retirement Obligations Significant Change AssetRetirementObligationsSignificantChange	95000000	USD
CY2015Q3	aep	Auction Rate Tax Exempt Long Term Debt Outstanding AuctionRateTaxExemptLongTermDebtOutstanding	475000000	USD
CY2014Q4	aep	Bad Debt Reserves Related To Securitized Sale Of Accounts Receivable BadDebtReservesRelatedToSecuritizedSaleOfAccountsReceivable	13000000	USD
CY2015Q3	aep	Bad Debt Reserves Related To Securitized Sale Of Accounts Receivable BadDebtReservesRelatedToSecuritizedSaleOfAccountsReceivable	16000000	USD
CY2014Q3	aep	Carrying Costs Income CarryingCostsIncome	7000000	USD
	aep	Carrying Costs Income CarryingCostsIncome	22000000	USD
CY2015Q3	aep	Carrying Costs Income CarryingCostsIncome	1000000	USD
	aep	Carrying Costs Income CarryingCostsIncome	18000000	USD
CY2013Q4	aep	Cash And Cash Equivalents From Discontinued Operations At Carrying Value CashAndCashEquivalentsFromDiscontinuedOperationsAtCarryingValue	0	USD
CY2014Q3	aep	Cash And Cash Equivalents From Discontinued Operations At Carrying Value CashAndCashEquivalentsFromDiscontinuedOperationsAtCarryingValue	0	USD
CY2014Q4	aep	Cash And Cash Equivalents From Discontinued Operations At Carrying Value CashAndCashEquivalentsFromDiscontinuedOperationsAtCarryingValue	0	USD
CY2015Q3	aep	Cash And Cash Equivalents From Discontinued Operations At Carrying Value CashAndCashEquivalentsFromDiscontinuedOperationsAtCarryingValue	0	USD
	aep	Change In Other Temporary Investments Net ChangeInOtherTemporaryInvestmentsNet	-37000000	USD
	aep	Change In Other Temporary Investments Net ChangeInOtherTemporaryInvestmentsNet	-81000000	USD
CY2014Q3	aep	Changes In Fair Value Allocated To Regulated Jurisdiction ChangesInFairValueAllocatedToRegulatedJurisdiction	14000000	USD
	aep	Changes In Fair Value Allocated To Regulated Jurisdiction ChangesInFairValueAllocatedToRegulatedJurisdiction	32000000	USD
CY2014Q4	aep	Gross Unrealized Gains GrossUnrealizedGains	649000000	USD
CY2015Q3	aep	Changes In Fair Value Allocated To Regulated Jurisdiction ChangesInFairValueAllocatedToRegulatedJurisdiction	-25000000	USD
	aep	Changes In Fair Value Allocated To Regulated Jurisdiction ChangesInFairValueAllocatedToRegulatedJurisdiction	1000000	USD
	aep	Deferral Of Ohio Capacity Costs DeferralOfOhioCapacityCosts	-106000000	USD
	aep	Deferral Of Ohio Capacity Costs DeferralOfOhioCapacityCosts	35000000	USD
CY2014Q3	aep	Gross Realized Gains On Investment Sales GrossRealizedGainsOnInvestmentSales	8000000	USD
CY2014Q3	aep	Gross Realized Losses On Investment Sales On Short Term Investment GrossRealizedLossesOnInvestmentSalesOnShortTermInvestment	0	USD
	aep	Gross Realized Gains On Investment Sales GrossRealizedGainsOnInvestmentSales	25000000	USD
	aep	Gross Realized Losses On Investment Sales On Short Term Investment GrossRealizedLossesOnInvestmentSalesOnShortTermInvestment	0	USD
CY2015Q3	aep	Gross Realized Gains On Investment Sales GrossRealizedGainsOnInvestmentSales	15000000	USD
CY2014Q3	aep	Gross Realized Losses On Investment Sales GrossRealizedLossesOnInvestmentSales	1000000	USD
	aep	Gross Realized Losses On Investment Sales GrossRealizedLossesOnInvestmentSales	10000000	USD
	aep	Gross Realized Gains On Investment Sales GrossRealizedGainsOnInvestmentSales	34000000	USD
CY2015Q3	aep	Gross Realized Losses On Investment Sales GrossRealizedLossesOnInvestmentSales	13000000	USD
	aep	Gross Realized Losses On Investment Sales GrossRealizedLossesOnInvestmentSales	23000000	USD
CY2014Q3	aep	Disposal Group Including Discontinued Operation Expense DisposalGroupIncludingDiscontinuedOperationExpense	125000000	USD
	aep	Disposal Group Including Discontinued Operation Expense DisposalGroupIncludingDiscontinuedOperationExpense	411000000	USD
CY2015Q3	aep	Disposal Group Including Discontinued Operation Expense DisposalGroupIncludingDiscontinuedOperationExpense	117000000	USD
	aep	Disposal Group Including Discontinued Operation Expense DisposalGroupIncludingDiscontinuedOperationExpense	344000000	USD
CY2014Q4	aep	Disposal Group Including Discontinued Operation Longterm Debt DisposalGroupIncludingDiscontinuedOperationLongtermDebt	83000000	USD
CY2015Q3	aep	Disposal Group Including Discontinued Operation Longterm Debt DisposalGroupIncludingDiscontinuedOperationLongtermDebt	81000000	USD
CY2014Q3	aep	Disposal Group Including Discontinued Operation Maintenance Expense DisposalGroupIncludingDiscontinuedOperationMaintenanceExpense	8000000	USD
	aep	Disposal Group Including Discontinued Operation Maintenance Expense DisposalGroupIncludingDiscontinuedOperationMaintenanceExpense	24000000	USD
CY2015Q3	aep	Disposal Group Including Discontinued Operation Maintenance Expense DisposalGroupIncludingDiscontinuedOperationMaintenanceExpense	4000000	USD
	aep	Disposal Group Including Discontinued Operation Maintenance Expense DisposalGroupIncludingDiscontinuedOperationMaintenanceExpense	20000000	USD
CY2014Q4	aep	Disposal Group Including Discontinued Operation Obligations Under Capital Leases DisposalGroupIncludingDiscontinuedOperationObligationsUnderCapitalLeases	189000000	USD
CY2015Q3	aep	Disposal Group Including Discontinued Operation Obligations Under Capital Leases DisposalGroupIncludingDiscontinuedOperationObligationsUnderCapitalLeases	228000000	USD
CY2014Q3	aep	Disposal Group Including Discontinued Operation Other Operation Expense DisposalGroupIncludingDiscontinuedOperationOtherOperationExpense	102000000	USD
	aep	Disposal Group Including Discontinued Operation Other Operation Expense DisposalGroupIncludingDiscontinuedOperationOtherOperationExpense	342000000	USD
CY2015Q3	aep	Disposal Group Including Discontinued Operation Other Operation Expense DisposalGroupIncludingDiscontinuedOperationOtherOperationExpense	96000000	USD
	aep	Disposal Group Including Discontinued Operation Other Operation Expense DisposalGroupIncludingDiscontinuedOperationOtherOperationExpense	273000000	USD
CY2014Q3	aep	Effective Interest Rates On Securitization Of Accounts Receivable EffectiveInterestRatesOnSecuritizationOfAccountsReceivable	0.0021
	aep	Effective Interest Rates On Securitization Of Accounts Receivable EffectiveInterestRatesOnSecuritizationOfAccountsReceivable	0.0022
CY2015Q3	aep	Effective Interest Rates On Securitization Of Accounts Receivable EffectiveInterestRatesOnSecuritizationOfAccountsReceivable	0.003
	aep	Effective Interest Rates On Securitization Of Accounts Receivable EffectiveInterestRatesOnSecuritizationOfAccountsReceivable	0.0028
CY2014Q4	aep	Employee Benefits And Pension Obligations EmployeeBenefitsAndPensionObligations	630000000	USD
CY2015Q3	aep	Employee Benefits And Pension Obligations EmployeeBenefitsAndPensionObligations	535000000	USD
CY2014Q4	aep	Fair Value Of Derivative Liabilities Subject To Cross Default Provisions FairValueOfDerivativeLiabilitiesSubjectToCrossDefaultProvisions	235000000	USD
CY2015Q3	aep	Fair Value Of Derivative Liabilities Subject To Cross Default Provisions FairValueOfDerivativeLiabilitiesSubjectToCrossDefaultProvisions	307000000	USD
	aep	Fuel Over Under Recovery Net FuelOverUnderRecoveryNet	77000000	USD
	aep	Fuel Over Under Recovery Net FuelOverUnderRecoveryNet	-93000000	USD
CY2014Q3	aep	Gain Loss On Fair Value Portion Of Long Term Debt GainLossOnFairValuePortionOfLongTermDebt	2000000	USD
	aep	Gain Loss On Fair Value Portion Of Long Term Debt GainLossOnFairValuePortionOfLongTermDebt	-2000000	USD
CY2015Q3	aep	Gain Loss On Fair Value Portion Of Long Term Debt GainLossOnFairValuePortionOfLongTermDebt	-4000000	USD
	aep	Gain Loss On Fair Value Portion Of Long Term Debt GainLossOnFairValuePortionOfLongTermDebt	-7000000	USD
CY2014Q3	aep	Gross Realized Gains On Investment Sales On Short Term Investment GrossRealizedGainsOnInvestmentSalesOnShortTermInvestment	0	USD
	aep	Gross Realized Gains On Investment Sales On Short Term Investment GrossRealizedGainsOnInvestmentSalesOnShortTermInvestment	0	USD
CY2015Q3	aep	Gross Realized Gains On Investment Sales On Short Term Investment GrossRealizedGainsOnInvestmentSalesOnShortTermInvestment	0	USD
	aep	Gross Realized Gains On Investment Sales On Short Term Investment GrossRealizedGainsOnInvestmentSalesOnShortTermInvestment	0	USD
CY2015Q3	aep	Gross Realized Losses On Investment Sales On Short Term Investment GrossRealizedLossesOnInvestmentSalesOnShortTermInvestment	0	USD
CY2015Q3	aep	Hedging Assets HedgingAssets	7000000	USD
	aep	Gross Realized Losses On Investment Sales On Short Term Investment GrossRealizedLossesOnInvestmentSalesOnShortTermInvestment	0	USD
CY2015Q3	aep	Gross Unrealized Gains GrossUnrealizedGains	566000000	USD
CY2014Q4	aep	Hedging Assets HedgingAssets	16000000	USD
CY2014Q4	aep	Hedging Liabilities HedgingLiabilities	15000000	USD
	aep	Maximum Percentage Debt To Capitalization MaximumPercentageDebtToCapitalization	0.675
CY2014Q4	aep	Trust Fund Assets One Time Fee Obligation For Nuclear Fuel Disposition TrustFundAssetsOneTimeFeeObligationForNuclearFuelDisposition	309000000	USD
CY2015Q3	aep	Hedging Liabilities HedgingLiabilities	25000000	USD
CY2015Q3	aep	Trust Fund Assets One Time Fee Obligation For Nuclear Fuel Disposition TrustFundAssetsOneTimeFeeObligationForNuclearFuelDisposition	309000000	USD
	aep	Make Whole Premiumon Extinguishmentof Longterm Debt MakeWholePremiumonExtinguishmentofLongtermDebt	0	USD
CY2015Q3	aep	Total Commitment From Bank Conduits To Finance Receivables TotalCommitmentFromBankConduitsToFinanceReceivables	750000000	USD
	aep	Make Whole Premiumon Extinguishmentof Longterm Debt MakeWholePremiumonExtinguishmentofLongtermDebt	93000000	USD
CY2014Q3	aep	Net Uncollectible Accounts Receivable Written Off NetUncollectibleAccountsReceivableWrittenOff	16000000	USD
	aep	Net Uncollectible Accounts Receivable Written Off NetUncollectibleAccountsReceivableWrittenOff	32000000	USD
CY2015Q3	aep	Net Uncollectible Accounts Receivable Written Off NetUncollectibleAccountsReceivableWrittenOff	13000000	USD
	aep	Net Uncollectible Accounts Receivable Written Off NetUncollectibleAccountsReceivableWrittenOff	27000000	USD
	aep	New Tx Income Franchise Tax Rate NewTXIncomeFranchiseTaxRate	0.0075
CY2014Q3	aep	Other Comprehensive Income Unrealized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossArisingDuringPeriodNetOfTax	3000000	USD
	aep	Other Comprehensive Income Unrealized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossArisingDuringPeriodNetOfTax	-7000000	USD
CY2015Q3	aep	Other Comprehensive Income Unrealized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossArisingDuringPeriodNetOfTax	-4000000	USD
	aep	Other Comprehensive Income Unrealized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossArisingDuringPeriodNetOfTax	-3000000	USD
	aep	Payment On Sale Of Property Plant And Equipment PaymentOnSaleOfPropertyPlantAndEquipment	48000000	USD
	aep	Pension And Opeb Adjustment Related To Mitchell Plant PensionAndOpebAdjustmentRelatedToMitchellPlant	5000000	USD
	aep	Pre2016 Tx Income Franchise Tax Rate Pre2016TXIncomeFranchiseTaxRate	0.0095
CY2014Q3	aep	Proceeds From Investment Sales ProceedsFromInvestmentSales	263000000	USD
	aep	Proceeds From Investment Sales ProceedsFromInvestmentSales	746000000	USD
CY2015Q3	aep	Proceeds From Investment Sales ProceedsFromInvestmentSales	921000000	USD
	aep	Proceeds From Investment Sales ProceedsFromInvestmentSales	1437000000	USD
CY2014Q3	aep	Purchases Of Investments PurchasesOfInvestments	281000000	USD
	aep	Purchases Of Investments PurchasesOfInvestments	790000000	USD
CY2015Q3	aep	Purchases Of Investments PurchasesOfInvestments	938000000	USD
	aep	Purchases Of Investments PurchasesOfInvestments	1479000000	USD
CY2014Q4	aep	Rate Matters RateMatters		USD
CY2015Q3	aep	Rate Matters RateMatters		USD
CY2014Q4	aep	Spent Nuclear Fuel And Decommissioning Trusts SpentNuclearFuelAndDecommissioningTrusts	2096000000	USD
CY2015Q3	aep	Spent Nuclear Fuel And Decommissioning Trusts SpentNuclearFuelAndDecommissioningTrusts	2047000000	USD
CY2014Q4	aep	Temporary Impairments TemporaryImpairments	85000000	USD
CY2015Q3	aep	Temporary Impairments TemporaryImpairments	83000000	USD
CY2014Q3	aep	Total Commitment From Bank Conduits To Finance Receivables TotalCommitmentFromBankConduitsToFinanceReceivables	700000000	USD
CY2014Q4	aep	Unbilled Receivables Related To Securitization Sale Of Accounts Receivable UnbilledReceivablesRelatedToSecuritizationSaleOfAccountsReceivable	335000000	USD
CY2015Q3	aep	Unbilled Receivables Related To Securitization Sale Of Accounts Receivable UnbilledReceivablesRelatedToSecuritizationSaleOfAccountsReceivable	277000000	USD
CY2015Q3	aep	Valuation Allowance Deferred Tax Assets Realized ValuationAllowanceDeferredTaxAssetsRealized	221000000	USD
CY2015Q3	aep	Valuation Allowance Excess Tax Basis Of Stock Over Book Value ValuationAllowanceExcessTaxBasisOfStockOverBookValue	165000000	USD
	dei	Amendment Flag AmendmentFlag	false
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q3
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2015
	dei	Document Period End Date DocumentPeriodEndDate	2015-09-30
	dei	Document Type DocumentType	10-Q
	dei	Entity Central Index Key EntityCentralIndexKey	0000004904
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CY2014Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	20000000	USD
CY2015Q3	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	27000000	USD
	us-gaap	Amortization Of Deferred Property Taxes AmortizationOfDeferredPropertyTaxes	220000000	USD
	us-gaap	Amortization Of Deferred Property Taxes AmortizationOfDeferredPropertyTaxes	247000000	USD
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
CY2014Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	2019000000	USD
CY2015Q3	us-gaap	Asset Retirement Obligation AssetRetirementObligation	2047000000	USD
	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	76000000	USD
CY2014Q4	us-gaap	Asset Retirement Obligation Legally Restricted Assets Fair Value AssetRetirementObligationLegallyRestrictedAssetsFairValue	1790000000	USD
CY2015Q4	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	490817402	shares
	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
	dei	Entity Registrant Name EntityRegistrantName	AMERICAN ELECTRIC POWER CO INC
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CY2015Q3	us-gaap	Accounts Payable Current AccountsPayableCurrent	1274000000	USD
CY2014Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	1835000000	USD
CY2015Q3	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	1853000000	USD
CY2014Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	19971000000	USD
CY2015Q3	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	19588000000	USD
CY2014Q4	us-gaap	Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax	-18000000	USD
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CY2013Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-115000000	USD
CY2014Q2	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-104000000	USD
CY2014Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-105000000	USD
CY2014Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-103000000	USD
CY2015Q2	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-102000000	USD
CY2015Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-109000000	USD
CY2014Q4	us-gaap	Additional Collateral Aggregate Fair Value AdditionalCollateralAggregateFairValue	0	USD
CY2015Q3	us-gaap	Additional Collateral Aggregate Fair Value AdditionalCollateralAggregateFairValue	0	USD
CY2014Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	6204000000	USD
CY2015Q3	us-gaap	Asset Retirement Obligation Legally Restricted Assets Fair Value AssetRetirementObligationLegallyRestrictedAssetsFairValue	1740000000	USD
	us-gaap	Asset Retirement Obligation Liabilities Incurred AssetRetirementObligationLiabilitiesIncurred	48000000	USD
	us-gaap	Asset Retirement Obligation Liabilities Settled AssetRetirementObligationLiabilitiesSettled	126000000	USD
	us-gaap	Asset Retirement Obligation Revision Of Estimate AssetRetirementObligationRevisionOfEstimate	30000000	USD
CY2014Q4	us-gaap	Asset Retirement Obligations Noncurrent AssetRetirementObligationsNoncurrent	1951000000	USD
CY2015Q3	us-gaap	Asset Retirement Obligations Noncurrent AssetRetirementObligationsNoncurrent	1944000000	USD
CY2014Q4	us-gaap	Assets Assets	59633000000	USD
CY2015Q3	us-gaap	Assets Assets	61099000000	USD
CY2014Q4	us-gaap	Assets Current AssetsCurrent	4478000000	USD
CY2015Q3	us-gaap	Assets Current AssetsCurrent	4548000000	USD
CY2014Q4	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	3117000000	USD
CY2015Q3	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	3036000000	USD
CY2014Q4	us-gaap	Assets Needed For Immediate Settlement Aggregate Fair Value AssetsNeededForImmediateSettlementAggregateFairValue	178000000	USD
CY2015Q3	us-gaap	Assets Needed For Immediate Settlement Aggregate Fair Value AssetsNeededForImmediateSettlementAggregateFairValue	251000000	USD
CY2014Q4	us-gaap	Assets Noncurrent AssetsNoncurrent	11520000000	USD
CY2015Q3	us-gaap	Assets Noncurrent AssetsNoncurrent	11313000000	USD
CY2014Q4	us-gaap	Assets Of Disposal Group Including Discontinued Operation AssetsOfDisposalGroupIncludingDiscontinuedOperation	625000000	USD
CY2015Q3	us-gaap	Assets Of Disposal Group Including Discontinued Operation AssetsOfDisposalGroupIncludingDiscontinuedOperation	608000000	USD
CY2014Q4	us-gaap	Assets Of Disposal Group Including Discontinued Operation Current AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent	103000000	USD
CY2015Q3	us-gaap	Assets Of Disposal Group Including Discontinued Operation Current AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent	608000000	USD
	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	0	USD
	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	66000000	USD
	us-gaap	Capital Lease Obligations Incurred CapitalLeaseObligationsIncurred	80000000	USD
	us-gaap	Capital Lease Obligations Incurred CapitalLeaseObligationsIncurred	97000000	USD
CY2013Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	118000000	USD
CY2014Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	194000000	USD
CY2014Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	163000000	USD
CY2015Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	178000000	USD
CY2014Q4	us-gaap	Cash And Cash Equivalents Fair Value Disclosure CashAndCashEquivalentsFairValueDisclosure	163000000	USD
CY2015Q3	us-gaap	Cash And Cash Equivalents Fair Value Disclosure CashAndCashEquivalentsFairValueDisclosure	178000000	USD
	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	76000000	USD
	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	15000000	USD
CY2014	us-gaap	Cash Flow Hedge Gain Loss To Be Reclassified Within Twelve Months CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths	2000000	USD
	us-gaap	Cash Flow Hedge Gain Loss To Be Reclassified Within Twelve Months CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths	0	USD
	us-gaap	Cash Provided By Used In Financing Activities Discontinued Operations CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations	-8000000	USD
	us-gaap	Cash Provided By Used In Financing Activities Discontinued Operations CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations	-12000000	USD
	us-gaap	Cash Provided By Used In Investing Activities Discontinued Operations CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations	-2000000	USD
	us-gaap	Cash Provided By Used In Investing Activities Discontinued Operations CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations	2000000	USD
	us-gaap	Cash Provided By Used In Operating Activities Discontinued Operations CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations	10000000	USD
	us-gaap	Cash Provided By Used In Operating Activities Discontinued Operations CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations	10000000	USD
CY2014Q4	us-gaap	Collateral Already Posted Aggregate Fair Value CollateralAlreadyPostedAggregateFairValue	9000000	USD
CY2015Q3	us-gaap	Collateral Already Posted Aggregate Fair Value CollateralAlreadyPostedAggregateFairValue	10000000	USD
CY2014Q4	us-gaap	Commercial Paper CommercialPaper	602000000	USD
CY2015Q3	us-gaap	Commercial Paper CommercialPaper	32000000	USD
CY2014Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2015Q3	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2014Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.5
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.5
CY2015Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.53
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.59
CY2014Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	6.50
CY2015Q3	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	6.50
CY2014Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	600000000	shares
CY2015Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	600000000	shares
CY2014Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	509739159	shares
CY2015Q3	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	511141256	shares
CY2014Q4	us-gaap	Common Stock Value CommonStockValue	3313000000	USD
CY2015Q3	us-gaap	Common Stock Value CommonStockValue	3322000000	USD
CY2014Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	492000000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	1453000000	USD
CY2015Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	512000000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	1567000000	USD
CY2014Q3	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	1000000	USD
	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	3000000	USD
CY2015Q3	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	1000000	USD
	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	4000000	USD
CY2014Q3	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	493000000	USD
	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	1456000000	USD
CY2015Q3	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	513000000	USD
	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	1571000000	USD
	us-gaap	Construction In Progress Expenditures Incurred But Not Yet Paid ConstructionInProgressExpendituresIncurredButNotYetPaid	515000000	USD
	us-gaap	Construction In Progress Expenditures Incurred But Not Yet Paid ConstructionInProgressExpendituresIncurredButNotYetPaid	579000000	USD
CY2014Q4	us-gaap	Construction In Progress Gross ConstructionInProgressGross	3215000000	USD
CY2015Q3	us-gaap	Construction In Progress Gross ConstructionInProgressGross	4008000000	USD
CY2014Q3	us-gaap	Cost Of Purchased Power CostOfPurchasedPower	449000000	USD
	us-gaap	Cost Of Purchased Power CostOfPurchasedPower	1560000000	USD
CY2015Q3	us-gaap	Cost Of Purchased Power CostOfPurchasedPower	731000000	USD
	us-gaap	Cost Of Purchased Power CostOfPurchasedPower	2050000000	USD
CY2014Q4	us-gaap	Customer Deposits Current CustomerDepositsCurrent	324000000	USD
CY2015Q3	us-gaap	Customer Deposits Current CustomerDepositsCurrent	335000000	USD
CY2014Q4	us-gaap	Debt Instrument Unamortized Discount Premium Net DebtInstrumentUnamortizedDiscountPremiumNet	24000000	USD
CY2015Q3	us-gaap	Debt Instrument Unamortized Discount Premium Net DebtInstrumentUnamortizedDiscountPremiumNet	31000000	USD
CY2014Q4	us-gaap	Decommissioning Liability Noncurrent DecommissioningLiabilityNoncurrent	1270000000	USD
CY2015Q3	us-gaap	Decommissioning Liability Noncurrent DecommissioningLiabilityNoncurrent	1310000000	USD
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	385000000	USD
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	529000000	USD
CY2014Q4	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	10892000000	USD
CY2015Q3	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	11425000000	USD
CY2014Q4	us-gaap	Delinquent Amount At End Of Period On Loans Managed And Securitized DelinquentAmountAtEndOfPeriodOnLoansManagedAndSecuritized	44000000	USD
CY2015Q3	us-gaap	Delinquent Amount At End Of Period On Loans Managed And Securitized DelinquentAmountAtEndOfPeriodOnLoansManagedAndSecuritized	50000000	USD
CY2014Q4	us-gaap	Derivative Assets DerivativeAssets	472000000	USD
CY2015Q3	us-gaap	Derivative Assets DerivativeAssets	496000000	USD
CY2014Q4	us-gaap	Derivative Assets Current DerivativeAssetsCurrent	178000000	USD
CY2015Q3	us-gaap	Derivative Assets Current DerivativeAssetsCurrent	143000000	USD
CY2014Q4	us-gaap	Derivative Assets Noncurrent DerivativeAssetsNoncurrent	294000000	USD
CY2015Q3	us-gaap	Derivative Assets Noncurrent DerivativeAssetsNoncurrent	353000000	USD
CY2014Q3	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	-2000000	USD
	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	2000000	USD
CY2015Q3	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	4000000	USD
	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	7000000	USD
CY2014Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	223000000	USD
CY2015Q3	us-gaap	Derivative Liabilities DerivativeLiabilities	276000000	USD
CY2014Q4	us-gaap	Derivative Liabilities Current DerivativeLiabilitiesCurrent	92000000	USD
CY2014Q4	us-gaap	Derivative Net Liability Position Aggregate Fair Value DerivativeNetLiabilityPositionAggregateFairValue	0	USD
CY2015Q3	us-gaap	Derivative Net Liability Position Aggregate Fair Value DerivativeNetLiabilityPositionAggregateFairValue	0	USD
	us-gaap	Disposal Group Including Discontinued Operation Depreciation And Amortization DisposalGroupIncludingDiscontinuedOperationDepreciationAndAmortization	27000000	USD
CY2015Q3	us-gaap	Derivative Liabilities Current DerivativeLiabilitiesCurrent	75000000	USD
CY2014Q4	us-gaap	Derivative Liabilities Noncurrent DerivativeLiabilitiesNoncurrent	131000000	USD
CY2015Q3	us-gaap	Derivative Liabilities Noncurrent DerivativeLiabilitiesNoncurrent	201000000	USD
CY2014Q3	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Before Income Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax	16000000	USD
	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Before Income Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax	24000000	USD
CY2015Q3	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Before Income Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax	12000000	USD
	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Before Income Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax	28000000	USD
CY2014Q3	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Net Of Tax Per Basic Share DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare	0.02
	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Net Of Tax Per Basic Share DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare	0.03
CY2015Q3	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Net Of Tax Per Basic Share DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare	0.02
	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Net Of Tax Per Basic Share DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare	0.04
CY2014Q3	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Net Of Tax Per Diluted Share DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare	0.02
	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Net Of Tax Per Diluted Share DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare	0.03
CY2015Q3	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Net Of Tax Per Diluted Share DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare	0.02
	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Net Of Tax Per Diluted Share DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare	0.04
CY2014Q3	us-gaap	Discontinued Operation Tax Effect Of Discontinued Operation DiscontinuedOperationTaxEffectOfDiscontinuedOperation	5000000	USD
	us-gaap	Discontinued Operation Tax Effect Of Discontinued Operation DiscontinuedOperationTaxEffectOfDiscontinuedOperation	8000000	USD
CY2015Q3	us-gaap	Discontinued Operation Tax Effect Of Discontinued Operation DiscontinuedOperationTaxEffectOfDiscontinuedOperation	4000000	USD
	us-gaap	Discontinued Operation Tax Effect Of Discontinued Operation DiscontinuedOperationTaxEffectOfDiscontinuedOperation	10000000	USD
CY2014Q4	us-gaap	Disposal Group Including Discontinued Operation Accounts Notes And Loans Receivable Net DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet	91000000	USD
CY2015Q3	us-gaap	Disposal Group Including Discontinued Operation Accounts Notes And Loans Receivable Net DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet	55000000	USD
CY2014Q4	us-gaap	Disposal Group Including Discontinued Operation Assets Noncurrent DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent	522000000	USD
CY2015Q3	us-gaap	Disposal Group Including Discontinued Operation Assets Noncurrent DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent	0	USD
CY2014Q3	us-gaap	Disposal Group Including Discontinued Operation Depreciation And Amortization DisposalGroupIncludingDiscontinuedOperationDepreciationAndAmortization	8000000	USD
	us-gaap	Disposal Group Including Discontinued Operation Depreciation And Amortization DisposalGroupIncludingDiscontinuedOperationDepreciationAndAmortization	23000000	USD
CY2015Q3	us-gaap	Disposal Group Including Discontinued Operation Depreciation And Amortization DisposalGroupIncludingDiscontinuedOperationDepreciationAndAmortization	9000000	USD
CY2014Q4	us-gaap	Disposal Group Including Discontinued Operation Other Assets DisposalGroupIncludingDiscontinuedOperationOtherAssets	52000000	USD
CY2015Q3	us-gaap	Disposal Group Including Discontinued Operation Other Assets DisposalGroupIncludingDiscontinuedOperationOtherAssets	47000000	USD
CY2014Q3	us-gaap	Disposal Group Including Discontinued Operation Other Expense DisposalGroupIncludingDiscontinuedOperationOtherExpense	7000000	USD
	us-gaap	Disposal Group Including Discontinued Operation Other Expense DisposalGroupIncludingDiscontinuedOperationOtherExpense	22000000	USD
CY2015Q3	us-gaap	Disposal Group Including Discontinued Operation Other Expense DisposalGroupIncludingDiscontinuedOperationOtherExpense	8000000	USD
	us-gaap	Disposal Group Including Discontinued Operation Other Expense DisposalGroupIncludingDiscontinuedOperationOtherExpense	24000000	USD
CY2014Q4	us-gaap	Disposal Group Including Discontinued Operation Other Liabilities DisposalGroupIncludingDiscontinuedOperationOtherLiabilities	163000000	USD
CY2015Q3	us-gaap	Disposal Group Including Discontinued Operation Other Liabilities DisposalGroupIncludingDiscontinuedOperationOtherLiabilities	165000000	USD
CY2014Q4	us-gaap	Disposal Group Including Discontinued Operation Property Plant And Equipment DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipment	482000000	USD
CY2015Q3	us-gaap	Disposal Group Including Discontinued Operation Property Plant And Equipment DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipment	506000000	USD
CY2014Q3	us-gaap	Disposal Group Including Discontinued Operation Revenue DisposalGroupIncludingDiscontinuedOperationRevenue	141000000	USD
	us-gaap	Disposal Group Including Discontinued Operation Revenue DisposalGroupIncludingDiscontinuedOperationRevenue	435000000	USD
CY2015Q3	us-gaap	Disposal Group Including Discontinued Operation Revenue DisposalGroupIncludingDiscontinuedOperationRevenue	129000000	USD
	us-gaap	Disposal Group Including Discontinued Operation Revenue DisposalGroupIncludingDiscontinuedOperationRevenue	372000000	USD
	us-gaap	Dividends Common Stock DividendsCommonStock	736000000	USD
	us-gaap	Dividends Common Stock DividendsCommonStock	783000000	USD
CY2014Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.01
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.95
CY2015Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.06
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.22
CY2014Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.01
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.95
CY2015Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.06
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.22
CY2014Q3	us-gaap	Electric Production Expense ElectricProductionExpense	1080000000	USD
	us-gaap	Electric Production Expense ElectricProductionExpense	3291000000	USD
CY2015Q3	us-gaap	Electric Production Expense ElectricProductionExpense	955000000	USD
	us-gaap	Electric Production Expense ElectricProductionExpense	2782000000	USD
CY2014Q3	us-gaap	Electric Utility Revenue ElectricUtilityRevenue	2432000000	USD
	us-gaap	Electric Utility Revenue ElectricUtilityRevenue	7217000000	USD
CY2015Q3	us-gaap	Electric Utility Revenue ElectricUtilityRevenue	2436000000	USD
	us-gaap	Electric Utility Revenue ElectricUtilityRevenue	7082000000	USD
CY2014Q3	us-gaap	Electrical Generation Revenue ElectricalGenerationRevenue	538000000	USD
	us-gaap	Electrical Generation Revenue ElectricalGenerationRevenue	1932000000	USD
CY2015Q3	us-gaap	Electrical Generation Revenue ElectricalGenerationRevenue	802000000	USD
	us-gaap	Electrical Generation Revenue ElectricalGenerationRevenue	2289000000	USD
CY2014Q3	us-gaap	Electrical Transmission And Distribution Revenue ElectricalTransmissionAndDistributionRevenue	1163000000	USD
	us-gaap	Electrical Transmission And Distribution Revenue ElectricalTransmissionAndDistributionRevenue	3388000000	USD
CY2015Q3	us-gaap	Electrical Transmission And Distribution Revenue ElectricalTransmissionAndDistributionRevenue	1164000000	USD
	us-gaap	Electrical Transmission And Distribution Revenue ElectricalTransmissionAndDistributionRevenue	3378000000	USD
CY2014Q3	us-gaap	Fair Value Assets Measured On Recurring Basis Change In Unrealized Gain Loss FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss	10000000	USD
	us-gaap	Fair Value Assets Measured On Recurring Basis Change In Unrealized Gain Loss FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss	-3000000	USD
CY2015Q3	us-gaap	Fair Value Assets Measured On Recurring Basis Change In Unrealized Gain Loss FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss	6000000	USD
	us-gaap	Fair Value Assets Measured On Recurring Basis Change In Unrealized Gain Loss FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss	54000000	USD
CY2014	us-gaap	Fair Value Inputs Counterparty Credit Risk FairValueInputsCounterpartyCreditRisk	0.0303
	us-gaap	Fair Value Inputs Counterparty Credit Risk FairValueInputsCounterpartyCreditRisk	0.0481
CY2014Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1	-9000000	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1	91000000	USD
CY2015Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1	11000000	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1	14000000	USD
CY2014Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Other Comprehensive Income Loss FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss	-3000000	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Other Comprehensive Income Loss FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss	12000000	USD
CY2015Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Other Comprehensive Income Loss FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss	-2000000	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Other Comprehensive Income Loss FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss	-4000000	USD
CY2014Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases Sales Issuances Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchasesSalesIssuancesSettlements	-5000000	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases Sales Issuances Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchasesSalesIssuancesSettlements	-103000000	USD
CY2015Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases Sales Issuances Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchasesSalesIssuancesSettlements	-29000000	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases Sales Issuances Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchasesSalesIssuancesSettlements	-60000000	USD
CY2014Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Into Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3	-9000000	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Into Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3	-9000000	USD
CY2015Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Into Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3	8000000	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Into Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3	28000000	USD
	us-gaap	Net Cash Provided By Used In Discontinued Operations NetCashProvidedByUsedInDiscontinuedOperations	0	USD
CY2014Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Out Of Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3	1000000	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Out Of Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3	8000000	USD
CY2015Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Out Of Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3	5000000	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Out Of Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3	17000000	USD
CY2013Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	117000000	USD
CY2014Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	132000000	USD
CY2014Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	129000000	USD
CY2014Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	151000000	USD
CY2015Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	203000000	USD
CY2015Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	167000000	USD
CY2014Q3	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	15000000	USD
	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	203000000	USD
CY2015Q3	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	-20000000	USD
	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	100000000	USD
	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	32000000	USD
CY2014Q4	us-gaap	Goodwill Goodwill	53000000	USD
CY2015Q3	us-gaap	Goodwill Goodwill	53000000	USD
CY2014Q3	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	482000000	USD
	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	1427000000	USD
CY2015Q3	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	511000000	USD
	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	1560000000	USD
CY2014Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	723000000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	2148000000	USD
CY2015Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	775000000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	2330000000	USD
CY2014Q3	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	483000000	USD
	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	1430000000	USD
CY2015Q3	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	512000000	USD
	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	1564000000	USD
CY2014Q3	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.99
	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	2.92
CY2015Q3	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	1.04
	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	3.18
CY2014Q3	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.99
	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	2.92
CY2015Q3	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	1.04
	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	3.18
CY2014Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	11000000	USD
	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	16000000	USD
CY2015Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	8000000	USD
	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	18000000	USD
CY2014Q3	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	24000000	USD
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	65000000	USD
CY2015Q3	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	12000000	USD
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	61000000	USD
CY2015Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	275000000	USD
CY2014Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	264000000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	783000000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	827000000	USD
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	109000000	USD
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	116000000	USD
	us-gaap	Increase Decrease In Accounts And Other Receivables IncreaseDecreaseInAccountsAndOtherReceivables	19000000	USD
	us-gaap	Increase Decrease In Accounts And Other Receivables IncreaseDecreaseInAccountsAndOtherReceivables	18000000	USD
	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-40000000	USD
	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-13000000	USD
	us-gaap	Increase Decrease In Accrued Taxes Payable IncreaseDecreaseInAccruedTaxesPayable	20000000	USD
	us-gaap	Increase Decrease In Accrued Taxes Payable IncreaseDecreaseInAccruedTaxesPayable	-68000000	USD
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-222000000	USD
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-194000000	USD
	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	0	USD
	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	-11000000	USD
	us-gaap	Increase Decrease In Other Current Liabilities IncreaseDecreaseInOtherCurrentLiabilities	69000000	USD
	us-gaap	Increase Decrease In Other Current Liabilities IncreaseDecreaseInOtherCurrentLiabilities	2000000	USD
	us-gaap	Increase Decrease In Other Noncurrent Assets IncreaseDecreaseInOtherNoncurrentAssets	41000000	USD
	us-gaap	Increase Decrease In Other Noncurrent Assets IncreaseDecreaseInOtherNoncurrentAssets	106000000	USD
	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	271000000	USD
	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	-1000000	USD
CY2014Q3	us-gaap	Interest Expense InterestExpense	217000000	USD
	us-gaap	Interest Expense InterestExpense	650000000	USD
CY2015Q3	us-gaap	Interest Expense InterestExpense	221000000	USD
	us-gaap	Interest Expense InterestExpense	659000000	USD
	us-gaap	Interest Paid Net InterestPaidNet	649000000	USD
	us-gaap	Interest Paid Net InterestPaidNet	639000000	USD
CY2014Q4	us-gaap	Interest Payable Current InterestPayableCurrent	238000000	USD
CY2015Q3	us-gaap	Interest Payable Current InterestPayableCurrent	236000000	USD
CY2014Q4	us-gaap	Interest Rate Derivatives At Fair Value Net InterestRateDerivativesAtFairValueNet	6000000	USD
CY2015Q3	us-gaap	Interest Rate Derivatives At Fair Value Net InterestRateDerivativesAtFairValueNet	0	USD
CY2014Q4	us-gaap	Inventory Raw Materials InventoryRawMaterials	581000000	USD
CY2015Q3	us-gaap	Inventory Raw Materials InventoryRawMaterials	376000000	USD
CY2014Q3	us-gaap	Investment Income Net InvestmentIncomeNet	1000000	USD
	us-gaap	Investment Income Net InvestmentIncomeNet	5000000	USD
CY2015Q3	us-gaap	Investment Income Net InvestmentIncomeNet	2000000	USD
	us-gaap	Investment Income Net InvestmentIncomeNet	6000000	USD
CY2014Q4	us-gaap	Investment Owned At Cost InvestmentOwnedAtCost	374000000	USD
CY2015Q3	us-gaap	Investment Owned At Cost InvestmentOwnedAtCost	305000000	USD
CY2014Q4	us-gaap	Investment Owned Unrecognized Unrealized Appreciation InvestmentOwnedUnrecognizedUnrealizedAppreciation	12000000	USD
CY2015Q3	us-gaap	Investment Owned Unrecognized Unrealized Appreciation InvestmentOwnedUnrecognizedUnrealizedAppreciation	10000000	USD
CY2014Q4	us-gaap	Investment Owned Unrecognized Unrealized Depreciation InvestmentOwnedUnrecognizedUnrealizedDepreciation	0	USD
CY2015Q3	us-gaap	Investment Owned Unrecognized Unrealized Depreciation InvestmentOwnedUnrecognizedUnrealizedDepreciation	0	USD
CY2014Q4	us-gaap	Liabilities Liabilities	42809000000	USD
CY2015Q3	us-gaap	Liabilities Liabilities	43390000000	USD
CY2014Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	59633000000	USD
CY2015Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	61099000000	USD
CY2014Q4	us-gaap	Liabilities Current LiabilitiesCurrent	7967000000	USD
CY2015Q3	us-gaap	Liabilities Current LiabilitiesCurrent	7058000000	USD
CY2014Q4	us-gaap	Liabilities Noncurrent LiabilitiesNoncurrent	34842000000	USD
CY2015Q3	us-gaap	Liabilities Noncurrent LiabilitiesNoncurrent	36332000000	USD
CY2014Q4	us-gaap	Liabilities Of Disposal Group Including Discontinued Operation LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation	435000000	USD
CY2015Q3	us-gaap	Liabilities Of Disposal Group Including Discontinued Operation LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation	474000000	USD
CY2014Q4	us-gaap	Liabilities Of Disposal Group Including Discontinued Operation Current LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent	85000000	USD
CY2015Q3	us-gaap	Liabilities Of Disposal Group Including Discontinued Operation Current LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent	474000000	USD
CY2014Q4	us-gaap	Liabilities Of Disposal Group Including Discontinued Operation Noncurrent LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent	350000000	USD
CY2015Q3	us-gaap	Liabilities Of Disposal Group Including Discontinued Operation Noncurrent LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent	0	USD
CY2014Q4	us-gaap	Long Term Debt LongTermDebt	18601000000	USD
CY2015Q3	us-gaap	Long Term Debt LongTermDebt	19426000000	USD
CY2014Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	2500000000	USD
CY2015Q3	us-gaap	Long Term Debt Current LongTermDebtCurrent	1826000000	USD
CY2014Q4	us-gaap	Long Term Debt Fair Value LongTermDebtFairValue	21075000000	USD
CY2015Q3	us-gaap	Long Term Debt Fair Value LongTermDebtFairValue	21257000000	USD
CY2014Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	16101000000	USD
CY2015Q3	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	17600000000	USD
CY2014Q4	us-gaap	Longterm Pollution Control Bond Current And Noncurrent LongtermPollutionControlBondCurrentAndNoncurrent	1963000000	USD
CY2015Q3	us-gaap	Longterm Pollution Control Bond Current And Noncurrent LongtermPollutionControlBondCurrentAndNoncurrent	1874000000	USD
CY2014Q4	us-gaap	Margin Deposit Assets MarginDepositAssets	95000000	USD
CY2015Q3	us-gaap	Margin Deposit Assets MarginDepositAssets	85000000	USD
	us-gaap	Maximum Length Of Time Hedged In Price Risk Cash Flow Hedge1 MaximumLengthOfTimeHedgedInPriceRiskCashFlowHedge1	P87M
CY2014Q4	us-gaap	Minority Interest MinorityInterest	4000000	USD
CY2015Q3	us-gaap	Minority Interest MinorityInterest	10000000	USD
	us-gaap	Net Cash Provided By Used In Discontinued Operations NetCashProvidedByUsedInDiscontinuedOperations	0	USD
	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	-560000000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	-647000000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-3079000000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-3248000000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	3715000000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	3910000000	USD
CY2014Q3	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	1000000	USD
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	3000000	USD
CY2015Q3	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	1000000	USD
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	4000000	USD
CY2014Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	493000000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	1443000000	USD
CY2015Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	519000000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	1578000000	USD
CY2014Q4	us-gaap	Obligation To Return Securities Received As Collateral ObligationToReturnSecuritiesReceivedAsCollateral	35000000	USD
CY2015Q3	us-gaap	Obligation To Return Securities Received As Collateral ObligationToReturnSecuritiesReceivedAsCollateral	47000000	USD
CY2014Q3	us-gaap	Operating Expenses OperatingExpenses	3256000000	USD
	us-gaap	Operating Expenses OperatingExpenses	9862000000	USD
CY2015Q3	us-gaap	Operating Expenses OperatingExpenses	3472000000	USD
	us-gaap	Operating Expenses OperatingExpenses	9971000000	USD
CY2014Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	905000000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	2697000000	USD
CY2015Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	960000000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	2868000000	USD
CY2014Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	2219000000	USD
CY2015Q3	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	2069000000	USD
CY2014Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	0	USD
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	1000000	USD
CY2015Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-1000000	USD
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-1000000	USD
CY2014Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	0	USD
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	0	USD
CY2015Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	-1000000	USD
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	-1000000	USD
CY2014Q3	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	-2000000	USD
	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	6000000	USD
CY2015Q3	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	-6000000	USD
	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	-11000000	USD
CY2014Q3	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax	-1000000	USD
	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax	3000000	USD
CY2015Q3	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax	-3000000	USD
	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax	-6000000	USD
CY2014Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-1000000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	10000000	USD
CY2015Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-7000000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-11000000	USD
CY2014Q3	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-1000000	USD
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-3000000	USD
CY2015Q3	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	0	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	1000000	USD
CY2014Q3	us-gaap	Payments To Acquire Short Term Investments PaymentsToAcquireShortTermInvestments	0	USD
	us-gaap	Payments To Acquire Short Term Investments PaymentsToAcquireShortTermInvestments	1000000	USD
CY2015Q3	us-gaap	Payments To Acquire Short Term Investments PaymentsToAcquireShortTermInvestments	10000000	USD
	us-gaap	Payments To Acquire Short Term Investments PaymentsToAcquireShortTermInvestments	10000000	USD
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-1000000	USD
CY2014Q3	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-1000000	USD
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-2000000	USD
CY2015Q3	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	0	USD
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	0	USD
CY2014Q4	us-gaap	Other Inventory Supplies OtherInventorySupplies	736000000	USD
CY2015Q3	us-gaap	Other Inventory Supplies OtherInventorySupplies	729000000	USD
CY2014Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	1206000000	USD
CY2015Q3	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	1234000000	USD
CY2014Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	895000000	USD
CY2015Q3	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	865000000	USD
CY2014Q4	us-gaap	Other Long Term Debt OtherLongTermDebt	1101000000	USD
CY2015Q3	us-gaap	Other Long Term Debt OtherLongTermDebt	1151000000	USD
CY2014Q4	us-gaap	Other Receivables OtherReceivables	85000000	USD
CY2015Q3	us-gaap	Other Receivables OtherReceivables	84000000	USD
CY2014Q3	us-gaap	Other Sales Revenue Net OtherSalesRevenueNet	28000000	USD
	us-gaap	Other Sales Revenue Net OtherSalesRevenueNet	22000000	USD
CY2015Q3	us-gaap	Other Sales Revenue Net OtherSalesRevenueNet	30000000	USD
	us-gaap	Other Sales Revenue Net OtherSalesRevenueNet	90000000	USD
	us-gaap	Payments For Construction In Process PaymentsForConstructionInProcess	2897000000	USD
	us-gaap	Payments For Construction In Process PaymentsForConstructionInProcess	3283000000	USD
	us-gaap	Payments For Nuclear Fuel PaymentsForNuclearFuel	109000000	USD
	us-gaap	Payments For Nuclear Fuel PaymentsForNuclearFuel	53000000	USD
	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	20000000	USD
	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-60000000	USD
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	736000000	USD
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	783000000	USD
	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	791000000	USD
	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	1489000000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	45000000	USD
	us-gaap	Pension Contributions PensionContributions	70000000	USD
	us-gaap	Pension Contributions PensionContributions	92000000	USD
CY2014Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	274000000	USD
CY2015Q3	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	156000000	USD
CY2014Q4	us-gaap	Principal Amount Outstanding On Loans Held For Sale Or Securitization PrincipalAmountOutstandingOnLoansHeldForSaleOrSecuritization	744000000	USD
CY2015Q3	us-gaap	Principal Amount Outstanding On Loans Held For Sale Or Securitization PrincipalAmountOutstandingOnLoansHeldForSaleOrSecuritization	750000000	USD
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	63000000	USD
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	68000000	USD
	us-gaap	Proceeds From Issuance Of Debt ProceedsFromIssuanceOfDebt	2956000000	USD
	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	1206000000	USD
CY2015Q3	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	64826000000	USD
CY2014Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	43635000000	USD
CY2015Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	45238000000	USD
CY2014Q3	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity	27000000	USD
CY2015Q3	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity	33000000	USD
	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	2931000000	USD
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	us-gaap	Proceeds From Repayments Of Short Term Debt Maturing In Three Months Or Less ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess	525000000	USD
	us-gaap	Proceeds From Repayments Of Short Term Debt Maturing In Three Months Or Less ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess	-564000000	USD
	us-gaap	Proceeds From Sale Maturity And Collections Of Investments ProceedsFromSaleMaturityAndCollectionsOfInvestments	746000000	USD
	us-gaap	Proceeds From Sale Maturity And Collections Of Investments ProceedsFromSaleMaturityAndCollectionsOfInvestments	1437000000	USD
CY2014Q3	us-gaap	Proceeds From Sale Of Short Term Investments ProceedsFromSaleOfShortTermInvestments	0	USD
	us-gaap	Proceeds From Sale Of Short Term Investments ProceedsFromSaleOfShortTermInvestments	0	USD
CY2015Q3	us-gaap	Proceeds From Sale Of Short Term Investments ProceedsFromSaleOfShortTermInvestments	0	USD
	us-gaap	Proceeds From Sale Of Short Term Investments ProceedsFromSaleOfShortTermInvestments	0	USD
CY2014Q3	us-gaap	Profit Loss ProfitLoss	494000000	USD
	us-gaap	Profit Loss ProfitLoss	1446000000	USD
CY2015Q3	us-gaap	Profit Loss ProfitLoss	520000000	USD
	us-gaap	Profit Loss ProfitLoss	1582000000	USD
CY2014Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	63606000000	USD
	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity	74000000	USD
	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity	97000000	USD
CY2014Q4	us-gaap	Public Utilities Property Plant And Equipment Distribution PublicUtilitiesPropertyPlantAndEquipmentDistribution	17157000000	USD
CY2015Q3	us-gaap	Public Utilities Property Plant And Equipment Distribution PublicUtilitiesPropertyPlantAndEquipmentDistribution	17812000000	USD
CY2014Q4	us-gaap	Public Utilities Property Plant And Equipment Generation Or Processing PublicUtilitiesPropertyPlantAndEquipmentGenerationOrProcessing	25727000000	USD
CY2015Q3	us-gaap	Public Utilities Property Plant And Equipment Generation Or Processing PublicUtilitiesPropertyPlantAndEquipmentGenerationOrProcessing	25665000000	USD
CY2014Q4	us-gaap	Public Utilities Property Plant And Equipment Other Property Plant And Equipment PublicUtilitiesPropertyPlantAndEquipmentOtherPropertyPlantAndEquipment	5074000000	USD
CY2015Q3	us-gaap	Public Utilities Property Plant And Equipment Other Property Plant And Equipment PublicUtilitiesPropertyPlantAndEquipmentOtherPropertyPlantAndEquipment	4036000000	USD
CY2014Q4	us-gaap	Public Utilities Property Plant And Equipment Transmission PublicUtilitiesPropertyPlantAndEquipmentTransmission	12433000000	USD
CY2015Q3	us-gaap	Public Utilities Property Plant And Equipment Transmission PublicUtilitiesPropertyPlantAndEquipmentTransmission	13305000000	USD
CY2014Q3	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	-4000000	USD
	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	17000000	USD
CY2015Q3	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	-3000000	USD
	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	-8000000	USD
CY2014Q4	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	127000000	USD
CY2015Q3	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	105000000	USD
CY2014Q4	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	4264000000	USD
CY2015Q3	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	4950000000	USD
CY2014Q4	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	55000000	USD
CY2015Q3	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	74000000	USD
CY2014Q4	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	3892000000	USD
CY2015Q3	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	3762000000	USD
	us-gaap	Repayments Of Long Term Capital Lease Obligations RepaymentsOfLongTermCapitalLeaseObligations	85000000	USD
	us-gaap	Repayments Of Long Term Capital Lease Obligations RepaymentsOfLongTermCapitalLeaseObligations	74000000	USD
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	1536000000	USD
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	2131000000	USD
CY2014Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	7406000000	USD
CY2015Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	8204000000	USD
CY2014Q3	us-gaap	Revenues Revenues	4161000000	USD
	us-gaap	Revenues Revenues	12559000000	USD
CY2015Q3	us-gaap	Revenues Revenues	4432000000	USD
	us-gaap	Revenues Revenues	12839000000	USD
CY2014Q4	us-gaap	Secured Debt SecuredDebt	2380000000	USD
CY2015Q3	us-gaap	Secured Debt SecuredDebt	2072000000	USD
CY2014Q4	us-gaap	Securities Received As Collateral SecuritiesReceivedAsCollateral	4000000	USD
CY2015Q3	us-gaap	Securities Received As Collateral SecuritiesReceivedAsCollateral	4000000	USD
CY2014Q4	us-gaap	Securitized Regulatory Transition Assets Noncurrent SecuritizedRegulatoryTransitionAssetsNoncurrent	2072000000	USD
CY2015Q3	us-gaap	Securitized Regulatory Transition Assets Noncurrent SecuritizedRegulatoryTransitionAssetsNoncurrent	1841000000	USD
CY2014	us-gaap	Severance Costs1 SeveranceCosts1	29000000	USD
CY2014Q4	us-gaap	Short Term Bank Loans And Notes Payable ShortTermBankLoansAndNotesPayable	602000000	USD
CY2015Q3	us-gaap	Short Term Bank Loans And Notes Payable ShortTermBankLoansAndNotesPayable	32000000	USD
CY2014Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	1346000000	USD
CY2015Q3	us-gaap	Short Term Borrowings ShortTermBorrowings	782000000	USD
CY2014Q4	us-gaap	Short Term Debt Weighted Average Interest Rate ShortTermDebtWeightedAverageInterestRate	0.0022
CY2015Q3	us-gaap	Short Term Debt Weighted Average Interest Rate ShortTermDebtWeightedAverageInterestRate	0.0028
CY2014Q4	us-gaap	Short Term Investments ShortTermInvestments	386000000	USD
CY2015Q3	us-gaap	Short Term Investments ShortTermInvestments	315000000	USD
CY2014Q4	us-gaap	Spent Nuclear Fuel Obligation Noncurrent SpentNuclearFuelObligationNoncurrent	266000000	USD
CY2015Q3	us-gaap	Spent Nuclear Fuel Obligation Noncurrent SpentNuclearFuelObligationNoncurrent	266000000	USD
	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	63000000	USD
	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	68000000	USD
CY2014Q4	us-gaap	Stockholders Equity StockholdersEquity	16820000000	USD
CY2015Q3	us-gaap	Stockholders Equity StockholdersEquity	17699000000	USD
CY2013Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	16086000000	USD
CY2014Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	16872000000	USD
CY2014Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	16824000000	USD
CY2015Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	17709000000	USD
	us-gaap	Stockholders Equity Other StockholdersEquityOther	-3000000	USD
	us-gaap	Stockholders Equity Other StockholdersEquityOther	-24000000	USD
CY2014Q3	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	230000000	USD
	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	679000000	USD
CY2015Q3	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	248000000	USD
	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	733000000	USD
CY2014Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	863000000	USD
CY2015Q3	us-gaap	Taxes Payable Current TaxesPayableCurrent	748000000	USD
CY2014Q4	us-gaap	Transfers Accounted For As Secured Borrowings Assets Carrying Amount TransfersAccountedForAsSecuredBorrowingsAssetsCarryingAmount	987000000	USD
CY2015Q3	us-gaap	Transfers Accounted For As Secured Borrowings Assets Carrying Amount TransfersAccountedForAsSecuredBorrowingsAssetsCarryingAmount	987000000	USD
CY2014Q4	us-gaap	Transfers Accounted For As Secured Borrowings Associated Liabilities Carrying Amount TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesCarryingAmount	744000000	USD
CY2015Q3	us-gaap	Transfers Accounted For As Secured Borrowings Associated Liabilities Carrying Amount TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesCarryingAmount	750000000	USD
CY2014Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	20336592	shares
CY2015Q3	us-gaap	Treasury Stock Shares TreasuryStockShares	20336592	shares
CY2014Q4	us-gaap	Unbilled Receivables Current UnbilledReceivablesCurrent	146000000	USD
CY2015Q3	us-gaap	Unbilled Receivables Current UnbilledReceivablesCurrent	147000000	USD
	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	-15000000	USD
	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	-18000000	USD
CY2014Q4	us-gaap	Unsecured Debt UnsecuredDebt	12647000000	USD
CY2015Q3	us-gaap	Unsecured Debt UnsecuredDebt	13801000000	USD
CY2014Q3	us-gaap	Utilities Operating Expense Depreciation And Amortization UtilitiesOperatingExpenseDepreciationAndAmortization	499000000	USD
	us-gaap	Utilities Operating Expense Depreciation And Amortization UtilitiesOperatingExpenseDepreciationAndAmortization	1418000000	USD
CY2015Q3	us-gaap	Utilities Operating Expense Depreciation And Amortization UtilitiesOperatingExpenseDepreciationAndAmortization	535000000	USD
	us-gaap	Utilities Operating Expense Depreciation And Amortization UtilitiesOperatingExpenseDepreciationAndAmortization	1528000000	USD
CY2014Q3	us-gaap	Utilities Operating Expense Maintenance UtilitiesOperatingExpenseMaintenance	313000000	USD
	us-gaap	Utilities Operating Expense Maintenance UtilitiesOperatingExpenseMaintenance	929000000	USD
CY2015Q3	us-gaap	Utilities Operating Expense Maintenance UtilitiesOperatingExpenseMaintenance	312000000	USD
	us-gaap	Utilities Operating Expense Maintenance UtilitiesOperatingExpenseMaintenance	923000000	USD
CY2014Q3	us-gaap	Utilities Operating Expense Operations UtilitiesOperatingExpenseOperations	685000000	USD
	us-gaap	Utilities Operating Expense Operations UtilitiesOperatingExpenseOperations	1985000000	USD
CY2015Q3	us-gaap	Utilities Operating Expense Operations UtilitiesOperatingExpenseOperations	691000000	USD
	us-gaap	Utilities Operating Expense Operations UtilitiesOperatingExpenseOperations	1955000000	USD
CY2014Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	488970647	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	488597178	shares
CY2015Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	490800335	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	490411020	shares
CY2014Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	488912892	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	488361017	shares
CY2015Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	490648929	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	490155315	shares

Files In Submission

Name	View Source	Status
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aep-20150930.xml	Edgar Link	completed
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$AEP
AMERICAN ELECTRIC POWER CO INC Stock $aep

2015 Q3 Form 10-Q Financial Statement

#000000490415000048 Filed on October 22, 2015

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$AEP AMERICAN ELECTRIC POWER CO INC Stock $aep

2015 Q3 Form 10-Q Financial Statement

#000000490415000048 Filed on October 22, 2015

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$AEP
AMERICAN ELECTRIC POWER CO INC Stock $aep