$AEP
AMERICAN ELECTRIC POWER CO INC Stock $aep

$aep Overview Financials Valuation SEC Filings Company Website

2017 Q3 Form 10-Q Financial Statement

#000000490417000060 Filed on October 27, 2017

Income Statement

Concept	2017 Q3	2016 Q3	2015 Q4
Revenue	$4.105B	$4.652B	$3.615B
YoY Change	-11.77%	4.98%	-5.35%
Cost Of Revenue	$718.0M	$774.0M	$710.0M
YoY Change	-7.24%	5.88%	34.98%
Gross Profit	$3.387B	$3.878B	$2.904B
YoY Change	-12.66%	4.78%	-11.84%
Gross Profit Margin	82.52%	83.36%	80.34%
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$551.7M	$575.8M	$525.1M
YoY Change	-4.19%	0.84%	3.0%
% of Gross Profit	16.29%	14.85%	18.08%
Operating Expenses	$3.130B	$5.780B	$2.439B
YoY Change	-45.86%	66.52%	-14.81%
Operating Profit	$975.1M	-$1.128B	$466.4M
YoY Change	-186.45%	-217.47%	8.59%
Interest Expense	$223.3M	$225.3M	-$178.0M
YoY Change	-0.89%	2.32%	-4.81%
% of Operating Profit	22.9%		-38.16%
Other Income/Expense, Net	$14.00M	$2.000M	$6.000M
YoY Change	600.0%	100.0%	-45.45%
Pretax Income	$800.6M	-$1.324B	$293.0M
YoY Change	-160.47%	-270.61%	14.9%
Income Tax	$264.0M	-$534.5M	$93.00M
% Of Pretax Income	32.98%		31.74%
Net Earnings	$556.7M	-$764.2M	$470.7M
YoY Change	-172.85%	-247.07%	145.8%
Net Earnings / Revenue	13.56%	-16.43%	13.02%
Basic Earnings Per Share	$1.11	-$1.56	$0.95
Diluted Earnings Per Share	$1.10	-$1.56	$0.95
COMMON SHARES
Basic Shares Outstanding	491.8M shares	491.7M shares	491.1M shares
Diluted Shares Outstanding	493.0M shares	491.8M shares

Balance Sheet

Concept	2017 Q3	2016 Q3	2015 Q4
SHORT-TERM ASSETS
Cash & Short-Term Investments	$655.0M	$491.0M	$563.0M
YoY Change	33.4%	-0.41%	2.74%
Cash & Equivalents	$343.9M	$212.2M	$176.4M
Short-Term Investments	$311.0M	$279.0M	$387.0M
Other Short-Term Assets	$944.0M	$2.505B	$560.0M
YoY Change	-62.32%	101.37%	-39.39%
Inventory	$917.0M	$1.025B	$1.339B
Prepaid Expenses
Receivables	$1.741B	$1.880B	$1.641B
Other Receivables	$100.0M	$275.0M	$82.00M
Total Short-Term Assets	$4.068B	$5.949B	$4.072B
YoY Change	-31.62%	30.81%	-9.06%
LONG-TERM ASSETS
Property, Plant & Equipment	$48.32B	$44.26B	$46.13B
YoY Change	9.16%	-2.16%	5.72%
Goodwill	$52.50M	$52.50M	$52.50M
YoY Change	0.0%	-0.94%	-42.5%
Intangibles
YoY Change
Long-Term Investments			$720.5M
YoY Change			11.12%
Other Assets	$1.857B	$1.894B	$2.107B
YoY Change	-1.97%	-8.45%	-1.16%
Total Long-Term Assets	$11.58B	$11.23B	$11.48B
YoY Change	3.12%	-0.73%	0.4%
TOTAL ASSETS
Total Short-Term Assets	$4.068B	$5.949B	$4.072B
Total Long-Term Assets	$11.58B	$11.23B	$11.48B
Total Assets	$63.96B	$61.44B	$61.68B
YoY Change	4.11%	0.56%	3.59%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$1.537B	$1.340B	$1.418B
YoY Change	14.68%	5.2%	12.7%
Accrued Expenses	$260.0M	$230.0M	$227.0M
YoY Change	13.04%	-2.54%	-4.62%
Deferred Revenue
YoY Change
Short-Term Debt	$1.059B	$1.478B	$800.0M
YoY Change	-28.34%	89.04%	-40.56%
Long-Term Debt Due	$2.359B	$2.385B	$1.832B
YoY Change	-1.07%	30.6%	-26.74%
Total Short-Term Liabilities	$7.322B	$7.779B	$7.109B
YoY Change	-5.88%	10.22%	-10.77%
LONG-TERM LIABILITIES
Long-Term Debt	$18.36B	$17.32B	$17.74B
YoY Change	6.02%	-1.59%	10.8%
Other Long-Term Liabilities	$837.0M	$702.1M	$890.6M
YoY Change	19.21%	-18.83%	-0.58%
Total Long-Term Liabilities	$38.53B	$36.32B	$36.67B
YoY Change	6.08%	-0.03%	5.51%
TOTAL LIABILITIES
Total Short-Term Liabilities	$7.322B	$7.779B	$7.109B
Total Long-Term Liabilities	$38.53B	$36.32B	$36.67B
Total Liabilities	$45.85B	$44.10B	$43.78B
YoY Change	3.97%	1.63%	2.48%
SHAREHOLDERS EQUITY
Retained Earnings	$8.532B	$7.809B	$8.398B
YoY Change	9.25%	-4.81%	13.39%
Common Stock	$3.328B	$3.328B	$3.324B
YoY Change	0.0%	0.19%	0.32%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares	20.21M shares	20.34M shares	20.34M shares
Shareholders Equity	$18.07B	$17.32B	$17.89B
YoY Change
Total Liabilities & Shareholders Equity	$63.96B	$61.44B	$61.68B
YoY Change	4.11%	0.56%	3.59%

Cashflow Statement

Concept	2017 Q3	2016 Q3	2015 Q4
OPERATING ACTIVITIES
Net Income	$556.7M	-$764.2M	$470.7M
YoY Change	-172.85%	-247.07%	145.8%
Depreciation, Depletion And Amortization	$551.7M	$575.8M	$525.1M
YoY Change	-4.19%	0.84%	3.0%
Cash From Operating Activities	$1.407B	$1.695B	$897.7M
YoY Change	-16.99%	-1.29%	1.04%
INVESTING ACTIVITIES
Capital Expenditures	-$1.302B	-$1.150B	-$1.264B
YoY Change	13.27%	4.29%	1.92%
Acquisitions
YoY Change
Other Investing Activities	-$23.80M	$20.60M	$494.7M
YoY Change	-215.53%	-55.98%	-683.37%
Cash From Investing Activities	-$1.326B	-$1.129B	-$769.3M
YoY Change	17.44%	6.96%	-41.94%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	65.20M	-600.8M	-129.8M
YoY Change	-110.85%	-11.54%	-132.01%
NET CHANGE
Cash From Operating Activities	1.407B	1.695B	897.7M
Cash From Investing Activities	-1.326B	-1.129B	-769.3M
Cash From Financing Activities	65.20M	-600.8M	-129.8M
Net Change In Cash	146.5M	-34.60M	-1.400M
YoY Change	-523.41%	98.85%	-95.48%
FREE CASH FLOW
Cash From Operating Activities	$1.407B	$1.695B	$897.7M
Capital Expenditures	-$1.302B	-$1.150B	-$1.264B
Free Cash Flow	$2.709B	$2.845B	$2.162B
YoY Change	-4.76%	0.89%	1.55%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
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	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35
	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	5300000	USD
	aep	Pre July12017 Total Illinois Corporate Income Tax Rate PreJuly12017TotalIllinoisCorporateIncomeTaxRate	0.0775
	aep	Changes In Fair Value Allocated To Regulated Jurisdiction ChangesInFairValueAllocatedToRegulatedJurisdiction	40100000	USD
	aep	Deferral Of Ohio Capacity Costs DeferralOfOhioCapacityCosts	108800000	USD
CY2016Q3	aep	Changes In Fair Value Allocated To Regulated Jurisdiction ChangesInFairValueAllocatedToRegulatedJurisdiction	-29000000	USD
	aep	Changes In Fair Value Allocated To Regulated Jurisdiction ChangesInFairValueAllocatedToRegulatedJurisdiction	-64600000	USD
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	aep	Acquisition Of Nuclear Fuel Included In Current Liabilities AcquisitionOfNuclearFuelIncludedInCurrentLiabilities	300000	USD
	aep	Acquisition Of Nuclear Fuel Included In Current Liabilities AcquisitionOfNuclearFuelIncludedInCurrentLiabilities	600000	USD
CY2016Q4	aep	Affiliated Long Term Debt Noncurrent AffiliatedLongTermDebtNoncurrent	0	USD
CY2017Q3	aep	Affiliated Long Term Debt Noncurrent AffiliatedLongTermDebtNoncurrent	0	USD
	aep	Amortization Of Nuclear Fuel AmortizationOfNuclearFuel	109700000	USD
	aep	Amortization Of Nuclear Fuel AmortizationOfNuclearFuel	104800000	USD
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CY2017Q3	aep	Bad Debt Reserves Related To Securitized Sale Of Accounts Receivable BadDebtReservesRelatedToSecuritizedSaleOfAccountsReceivable	27800000	USD
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	aep	Carrying Costs Income CarryingCostsIncome	11900000	USD
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	aep	Carrying Costs Income CarryingCostsIncome	14200000	USD
	aep	Change In Other Temporary Investments Net ChangeInOtherTemporaryInvestmentsNet	-109200000	USD
	aep	Change In Other Temporary Investments Net ChangeInOtherTemporaryInvestmentsNet	-34500000	USD
	aep	Deferral Of Ohio Capacity Costs DeferralOfOhioCapacityCosts	65600000	USD
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	aep	Effective Interest Rates On Securitization Of Accounts Receivable EffectiveInterestRatesOnSecuritizationOfAccountsReceivable	0.0065
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	aep	Effective July12017 Total Illinois Corporate Income Tax Rate EffectiveJuly12017TotalIllinoisCorporateIncomeTaxRate	0.095
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	aep	Fuel Over Under Recovery Net FuelOverUnderRecoveryNet	28500000	USD
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	aep	Gain Loss On Fair Value Portion Of Long Term Debt GainLossOnFairValuePortionOfLongTermDebt	100000	USD
CY2016Q3	aep	Gainon Saleof Merchant Generation Assets GainonSaleofMerchantGenerationAssets	0	USD
	aep	Gainon Saleof Merchant Generation Assets GainonSaleofMerchantGenerationAssets	0	USD
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	aep	Gainon Saleof Merchant Generation Assets GainonSaleofMerchantGenerationAssets	226400000	USD
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	aep	Gross Realized Gains On Investment Sales On Short Term Investment GrossRealizedGainsOnInvestmentSalesOnShortTermInvestment	0	USD
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	aep	Illinois Replacement Tax IllinoisReplacementTax	0.025
	aep	Income Lossfrom Equity Method Investments Adjustment IncomeLossfromEquityMethodInvestmentsAdjustment	6000000	USD
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	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
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CY2017Q3	aep	Rate Matters RateMatters		USD
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CY2017Q3	aep	Total Commitment From Bank Conduits To Finance Receivables TotalCommitmentFromBankConduitsToFinanceReceivables	750000000	USD
CY2016Q4	aep	Trust Fund Assets One Time Fee Obligation For Nuclear Fuel Disposition TrustFundAssetsOneTimeFeeObligationForNuclearFuelDisposition	311000000	USD
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CY2017Q3	aep	Unbilled Receivables Related To Securitization Sale Of Accounts Receivable UnbilledReceivablesRelatedToSecuritizationSaleOfAccountsReceivable	264200000	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	2017
	dei	Document Period End Date DocumentPeriodEndDate	2017-09-30
	dei	Document Type DocumentType	10-Q
	dei	Entity Central Index Key EntityCentralIndexKey	0000004904
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	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
	dei	Entity Registrant Name EntityRegistrantName	AMERICAN ELECTRIC POWER CO INC
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	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	0	USD
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	us-gaap	Cash Provided By Used In Financing Activities Discontinued Operations CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations	0	USD
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CY2016Q4	us-gaap	Collateral Already Posted Aggregate Fair Value CollateralAlreadyPostedAggregateFairValue	400000	USD
CY2017Q3	us-gaap	Collateral Already Posted Aggregate Fair Value CollateralAlreadyPostedAggregateFairValue	2500000	USD
CY2016Q4	us-gaap	Commercial Paper CommercialPaper	1040000000	USD
CY2017Q3	us-gaap	Commercial Paper CommercialPaper	295000000	USD
CY2016Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2017Q3	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2016Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.56
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.68
CY2017Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.59
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CY2017Q3	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	6.50
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CY2017Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	600000000	shares
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CY2017Q3	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	512048663	shares
CY2016Q4	us-gaap	Common Stock Value CommonStockValue	3328300000	USD
CY2017Q3	us-gaap	Common Stock Value CommonStockValue	3328300000	USD
CY2016Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-793700000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	218800000	USD
CY2017Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	530900000	USD
CY2017Q3	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	12000000	USD
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CY2016Q3	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	-792100000	USD
CY2017Q3	us-gaap	Cost Of Purchased Power CostOfPurchasedPower	718100000	USD
	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	224100000	USD
CY2017Q3	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	542900000	USD
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	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	1492800000	USD
CY2016Q3	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	1600000	USD
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CY2016Q4	us-gaap	Construction In Progress Gross ConstructionInProgressGross	3183900000	USD
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CY2017Q3	us-gaap	Construction In Progress Gross ConstructionInProgressGross	3710000000	USD
CY2016Q3	us-gaap	Cost Of Purchased Power CostOfPurchasedPower	774000000	USD
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CY2016Q4	us-gaap	Customer Deposits Current CustomerDepositsCurrent	343200000	USD
CY2017Q3	us-gaap	Customer Deposits Current CustomerDepositsCurrent	346600000	USD
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CY2016Q4	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	11884400000	USD
CY2017Q3	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	12628200000	USD
CY2016Q4	us-gaap	Delinquent Amount At End Of Period On Loans Managed And Securitized DelinquentAmountAtEndOfPeriodOnLoansManagedAndSecuritized	42700000	USD
CY2017Q3	us-gaap	Delinquent Amount At End Of Period On Loans Managed And Securitized DelinquentAmountAtEndOfPeriodOnLoansManagedAndSecuritized	44300000	USD
CY2016Q4	us-gaap	Derivative Assets DerivativeAssets	383600000	USD
CY2017Q3	us-gaap	Derivative Assets DerivativeAssets	456500000	USD
CY2016Q4	us-gaap	Derivative Assets Current DerivativeAssetsCurrent	94500000	USD
CY2017Q3	us-gaap	Derivative Assets Current DerivativeAssetsCurrent	146100000	USD
CY2016Q4	us-gaap	Derivative Assets Noncurrent DerivativeAssetsNoncurrent	289100000	USD
CY2017Q3	us-gaap	Derivative Assets Noncurrent DerivativeAssetsNoncurrent	310400000	USD
CY2016Q3	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	-1100000	USD
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CY2017Q3	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	100000	USD
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CY2016Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	369600000	USD
CY2017Q3	us-gaap	Derivative Liabilities DerivativeLiabilities	422100000	USD
CY2016Q4	us-gaap	Derivative Liabilities Current DerivativeLiabilitiesCurrent	53400000	USD
CY2017Q3	us-gaap	Derivative Liabilities Current DerivativeLiabilitiesCurrent	69400000	USD
CY2016Q4	us-gaap	Derivative Liabilities Noncurrent DerivativeLiabilitiesNoncurrent	316200000	USD
CY2017Q3	us-gaap	Derivative Liabilities Noncurrent DerivativeLiabilitiesNoncurrent	352700000	USD
CY2016Q3	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Net Of Tax Per Basic Share DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare	0.00
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CY2017Q3	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Net Of Tax Per Basic Share DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare	0.00
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CY2016Q3	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Net Of Tax Per Diluted Share DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare	0.00
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CY2017Q3	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Net Of Tax Per Diluted Share DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare	0.00
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CY2016Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-1.56
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CY2017Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.11
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CY2016Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-1.56
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CY2017Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.10
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CY2016Q3	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.404
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CY2017Q3	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.33
CY2016Q3	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Transfers Out Of Level3 FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationTransfersOutOfLevel3	-10000000	USD
CY2016Q3	us-gaap	Electric Production Expense ElectricProductionExpense	880100000	USD
	us-gaap	Electric Production Expense ElectricProductionExpense	2236100000	USD
CY2017Q3	us-gaap	Electric Production Expense ElectricProductionExpense	707400000	USD
	us-gaap	Electric Production Expense ElectricProductionExpense	1865300000	USD
CY2016Q3	us-gaap	Electric Utility Revenue ElectricUtilityRevenue	2538300000	USD
	us-gaap	Electric Utility Revenue ElectricUtilityRevenue	6864600000	USD
CY2017Q3	us-gaap	Electric Utility Revenue ElectricUtilityRevenue	2453800000	USD
	us-gaap	Electric Utility Revenue ElectricUtilityRevenue	6819300000	USD
CY2016Q3	us-gaap	Electrical Generation Revenue ElectricalGenerationRevenue	823300000	USD
	us-gaap	Electrical Generation Revenue ElectricalGenerationRevenue	2192500000	USD
CY2017Q3	us-gaap	Electrical Generation Revenue ElectricalGenerationRevenue	441500000	USD
	us-gaap	Electrical Generation Revenue ElectricalGenerationRevenue	1386800000	USD
CY2016Q3	us-gaap	Electrical Transmission And Distribution Revenue ElectricalTransmissionAndDistributionRevenue	1245400000	USD
	us-gaap	Electrical Transmission And Distribution Revenue ElectricalTransmissionAndDistributionRevenue	3398900000	USD
CY2017Q3	us-gaap	Electrical Transmission And Distribution Revenue ElectricalTransmissionAndDistributionRevenue	1149700000	USD
	us-gaap	Electrical Transmission And Distribution Revenue ElectricalTransmissionAndDistributionRevenue	3242700000	USD
CY2016Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Gain Loss Included In Other Comprehensive Income Loss FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisGainLossIncludedInOtherComprehensiveIncomeLoss	-34400000	USD
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CY2017Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Gain Loss Included In Other Comprehensive Income Loss FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisGainLossIncludedInOtherComprehensiveIncomeLoss	-24300000	USD
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CY2016Q3	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Change In Unrealized Gain Loss FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisChangeInUnrealizedGainLoss	12300000	USD
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CY2017Q3	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Change In Unrealized Gain Loss FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisChangeInUnrealizedGainLoss	14800000	USD
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CY2016Q3	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Gain Loss Included In Earnings FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInEarnings	34200000	USD
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CY2017Q3	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Gain Loss Included In Earnings FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInEarnings	19800000	USD
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CY2016Q3	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Purchases Sales Issues Settlements FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationPurchasesSalesIssuesSettlements	-37100000	USD
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CY2017Q3	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Purchases Sales Issues Settlements FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationPurchasesSalesIssuesSettlements	-49200000	USD
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CY2016Q3	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Transfers Into Level3 FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationTransfersIntoLevel3	13100000	USD
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CY2017Q3	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Transfers Out Of Level3 FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationTransfersOutOfLevel3	-200000	USD
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CY2015Q4	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis With Unobservable Inputs FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservableInputs	146900000	USD
CY2017Q3	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Transfers Into Level3 FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationTransfersIntoLevel3	5700000	USD
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CY2016Q2	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis With Unobservable Inputs FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservableInputs	149300000	USD
CY2016Q3	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis With Unobservable Inputs FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservableInputs	98400000	USD
CY2016Q4	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis With Unobservable Inputs FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservableInputs	2500000	USD
CY2017Q2	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis With Unobservable Inputs FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservableInputs	87300000	USD
CY2017Q3	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis With Unobservable Inputs FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservableInputs	45000000	USD
CY2016Q3	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	18500000	USD
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CY2017Q3	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	26600000	USD
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CY2016Q3	us-gaap	Gain Loss On Sale Of Stock In Subsidiary Or Equity Method Investee GainLossOnSaleOfStockInSubsidiaryOrEquityMethodInvestee	0	USD
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CY2017Q3	us-gaap	Gain Loss On Sale Of Stock In Subsidiary Or Equity Method Investee GainLossOnSaleOfStockInSubsidiaryOrEquityMethodInvestee	12400000	USD
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CY2016Q4	us-gaap	Goodwill Goodwill	52500000	USD
CY2017Q3	us-gaap	Goodwill Goodwill	52500000	USD
CY2016Q3	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	-765800000	USD
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CY2017Q3	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	544700000	USD
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CY2016Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	-1323900000	USD
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CY2017Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	800600000	USD
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CY2016Q3	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	-764200000	USD
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CY2017Q3	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	556700000	USD
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CY2016Q3	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	-1.56
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CY2017Q3	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	1.11
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CY2016Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	0	USD
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CY2017Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	0	USD
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CY2016Q3	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	25200000	USD
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CY2017Q3	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	20100000	USD
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CY2016Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-534500000	USD
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CY2017Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	264000000	USD
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CY2016Q3	us-gaap	Interest Expense InterestExpense	225300000	USD
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CY2017Q3	us-gaap	Interest Expense InterestExpense	223300000	USD
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CY2016Q4	us-gaap	Interest Payable Current InterestPayableCurrent	227200000	USD
CY2017Q3	us-gaap	Interest Payable Current InterestPayableCurrent	260300000	USD
CY2016Q4	us-gaap	Inventory Raw Materials InventoryRawMaterials	423800000	USD
CY2017Q3	us-gaap	Inventory Raw Materials InventoryRawMaterials	354200000	USD
CY2016Q3	us-gaap	Investment Income Net InvestmentIncomeNet	2000000	USD
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CY2017Q3	us-gaap	Investment Income Net InvestmentIncomeNet	2400000	USD
	us-gaap	Investment Income Net InvestmentIncomeNet	12700000	USD
CY2016Q4	us-gaap	Investment Owned At Cost InvestmentOwnedAtCost	318800000	USD
CY2017Q3	us-gaap	Investment Owned At Cost InvestmentOwnedAtCost	293600000	USD
CY2016Q4	us-gaap	Investment Owned Unrecognized Unrealized Appreciation InvestmentOwnedUnrecognizedUnrealizedAppreciation	13900000	USD
CY2017Q3	us-gaap	Investment Owned Unrecognized Unrealized Appreciation InvestmentOwnedUnrecognizedUnrealizedAppreciation	17800000	USD
CY2016Q4	us-gaap	Investment Owned Unrecognized Unrealized Depreciation InvestmentOwnedUnrecognizedUnrealizedDepreciation	1000000	USD
CY2017Q3	us-gaap	Investment Owned Unrecognized Unrealized Depreciation InvestmentOwnedUnrecognizedUnrealizedDepreciation	700000	USD
CY2016Q4	us-gaap	Liabilities Liabilities	46047600000	USD
CY2017Q3	us-gaap	Liabilities Liabilities	45850100000	USD
CY2016Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	63467700000	USD
CY2017Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	63964900000	USD
CY2016Q4	us-gaap	Liabilities Current LiabilitiesCurrent	9498000000	USD
CY2017Q3	us-gaap	Liabilities Current LiabilitiesCurrent	7322000000	USD
CY2016Q4	us-gaap	Liabilities Noncurrent LiabilitiesNoncurrent	36549600000	USD
CY2017Q3	us-gaap	Liabilities Noncurrent LiabilitiesNoncurrent	38528100000	USD
CY2016Q4	us-gaap	Liabilities Of Disposal Group Including Discontinued Operation Current LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent	235900000	USD
CY2017Q3	us-gaap	Liabilities Of Disposal Group Including Discontinued Operation Current LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent	0	USD
CY2016Q4	us-gaap	Long Term Debt LongTermDebt	20256400000	USD
CY2017Q3	us-gaap	Long Term Debt LongTermDebt	20721700000	USD
CY2016Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	2878000000	USD
CY2017Q3	us-gaap	Long Term Debt Current LongTermDebtCurrent	2359300000	USD
CY2017Q3	us-gaap	Long Term Debt Fair Value LongTermDebtFairValue	22988800000	USD
CY2016Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	17378400000	USD
CY2017Q3	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	18362400000	USD
CY2016Q4	us-gaap	Longterm Pollution Control Bond Current And Noncurrent LongtermPollutionControlBondCurrentAndNoncurrent	1725100000	USD
CY2017Q3	us-gaap	Longterm Pollution Control Bond Current And Noncurrent LongtermPollutionControlBondCurrentAndNoncurrent	1612400000	USD
CY2016Q4	us-gaap	Margin Deposit Assets MarginDepositAssets	79900000	USD
CY2017Q3	us-gaap	Margin Deposit Assets MarginDepositAssets	105700000	USD
	us-gaap	Maximum Length Of Time Hedged In Price Risk Cash Flow Hedge1 MaximumLengthOfTimeHedgedInPriceRiskCashFlowHedge1	P123M
CY2016Q4	us-gaap	Minority Interest MinorityInterest	23100000	USD
CY2017Q3	us-gaap	Minority Interest MinorityInterest	36400000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	46000000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	-1314200000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-3428700000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-1676600000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	3421000000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	3124200000	USD
CY2016Q3	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	1600000	USD
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	5300000	USD
CY2017Q3	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	12000000	USD
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	15200000	USD
CY2016Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-765800000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	237500000	USD
CY2017Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	544700000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	1511900000	USD
CY2016Q4	us-gaap	Notes Payable NotesPayable	0	USD
CY2017Q3	us-gaap	Notes Payable NotesPayable	14300000	USD
CY2016Q4	us-gaap	Obligation To Return Securities Received As Collateral ObligationToReturnSecuritiesReceivedAsCollateral	7600000	USD
CY2017Q3	us-gaap	Obligation To Return Securities Received As Collateral ObligationToReturnSecuritiesReceivedAsCollateral	17000000	USD
CY2016Q3	us-gaap	Operating Expenses OperatingExpenses	5780100000	USD
	us-gaap	Operating Expenses OperatingExpenses	11958800000	USD
CY2017Q3	us-gaap	Operating Expenses OperatingExpenses	3118200000	USD
	us-gaap	Operating Expenses OperatingExpenses	8786200000	USD
CY2016Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	-1127900000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	631200000	USD
CY2017Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	986500000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	2828300000	USD
CY2016Q3	us-gaap	Other Asset Impairment Charges OtherAssetImpairmentCharges	2264900000	USD
	us-gaap	Other Asset Impairment Charges OtherAssetImpairmentCharges	2264900000	USD
CY2017Q3	us-gaap	Other Asset Impairment Charges OtherAssetImpairmentCharges	-2500000	USD
	us-gaap	Other Asset Impairment Charges OtherAssetImpairmentCharges	10600000	USD
CY2016Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	2085100000	USD
CY2017Q3	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	1856900000	USD
CY2016Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	500000	USD
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	1700000	USD
	us-gaap	Payments To Acquire Short Term Investments PaymentsToAcquireShortTermInvestments	1600000	USD
CY2017Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	900000	USD
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	2700000	USD
CY2016Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	300000	USD
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	1000000	USD
CY2017Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	500000	USD
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	1500000	USD
CY2016Q3	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	-28600000	USD
	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	-20800000	USD
CY2017Q3	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	-15000000	USD
	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	-22600000	USD
CY2016Q3	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax	-15400000	USD
	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax	-11200000	USD
CY2017Q3	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax	-8100000	USD
	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax	-12200000	USD
CY2016Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-27900000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-18700000	USD
CY2017Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-13800000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-19100000	USD
CY2016Q3	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-200000	USD
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-400000	USD
CY2017Q3	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-300000	USD
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-800000	USD
CY2016Q3	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-100000	USD
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-200000	USD
CY2017Q3	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-100000	USD
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-400000	USD
CY2016Q4	us-gaap	Other Inventory Supplies OtherInventorySupplies	543500000	USD
CY2017Q3	us-gaap	Other Inventory Supplies OtherInventorySupplies	562300000	USD
CY2016Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	1302800000	USD
CY2017Q3	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	953900000	USD
CY2016Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	774600000	USD
CY2017Q3	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	837000000	USD
CY2016Q4	us-gaap	Other Long Term Debt OtherLongTermDebt	1606900000	USD
CY2017Q3	us-gaap	Other Long Term Debt OtherLongTermDebt	1128900000	USD
CY2016Q4	us-gaap	Other Notes Payable OtherNotesPayable	326900000	USD
CY2017Q3	us-gaap	Other Notes Payable OtherNotesPayable	224500000	USD
CY2016Q4	us-gaap	Other Receivables OtherReceivables	118100000	USD
CY2017Q3	us-gaap	Other Receivables OtherReceivables	99900000	USD
CY2016Q3	us-gaap	Other Sales Revenue Net OtherSalesRevenueNet	45200000	USD
	us-gaap	Other Sales Revenue Net OtherSalesRevenueNet	134000000	USD
CY2017Q3	us-gaap	Other Sales Revenue Net OtherSalesRevenueNet	59700000	USD
	us-gaap	Other Sales Revenue Net OtherSalesRevenueNet	165700000	USD
	us-gaap	Payments For Construction In Process PaymentsForConstructionInProcess	3387000000	USD
	us-gaap	Payments For Construction In Process PaymentsForConstructionInProcess	3778200000	USD
	us-gaap	Payments For Nuclear Fuel PaymentsForNuclearFuel	127600000	USD
	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	2454500000	USD
	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	1855800000	USD
	us-gaap	Payments For Nuclear Fuel PaymentsForNuclearFuel	73200000	USD
	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-4200000	USD
	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-27900000	USD
CY2016Q3	us-gaap	Payments To Acquire Short Term Investments PaymentsToAcquireShortTermInvestments	600000	USD
CY2017Q3	us-gaap	Payments To Acquire Short Term Investments PaymentsToAcquireShortTermInvestments	12600000	USD
	us-gaap	Payments To Acquire Short Term Investments PaymentsToAcquireShortTermInvestments	13600000	USD
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	829800000	USD
	us-gaap	Pension Contributions PensionContributions	84800000	USD
	us-gaap	Pension Contributions PensionContributions	93300000	USD
CY2016Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	325500000	USD
CY2017Q3	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	350500000	USD
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	875000000	USD
CY2017Q3	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	5640000000	USD
CY2016Q4	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	8000000	USD
CY2016Q4	us-gaap	Principal Amount Outstanding On Loans Held For Sale Or Securitization PrincipalAmountOutstandingOnLoansHeldForSaleOrSecuritization	673000000	USD
CY2017Q3	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	19700000	USD
CY2016Q4	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	3751300000	USD
CY2017Q3	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	3959600000	USD
CY2017Q3	us-gaap	Principal Amount Outstanding On Loans Held For Sale Or Securitization PrincipalAmountOutstandingOnLoansHeldForSaleOrSecuritization	750000000	USD
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	34200000	USD
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	0	USD
	us-gaap	Proceeds From Issuance Of Debt ProceedsFromIssuanceOfDebt	2771100000	USD
	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	1559600000	USD
	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	2742700000	USD
	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-6800000	USD
	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-4400000	USD
	us-gaap	Proceeds From Repayments Of Short Term Debt Maturing In Three Months Or Less ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess	678300000	USD
	us-gaap	Proceeds From Repayments Of Short Term Debt Maturing In Three Months Or Less ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess	-653700000	USD
	us-gaap	Proceeds From Sale Maturity And Collections Of Investments ProceedsFromSaleMaturityAndCollectionsOfInvestments	2427000000	USD
	us-gaap	Proceeds From Sale Maturity And Collections Of Investments ProceedsFromSaleMaturityAndCollectionsOfInvestments	1808600000	USD
CY2016Q3	us-gaap	Proceeds From Sale Of Short Term Investments ProceedsFromSaleOfShortTermInvestments	0	USD
	us-gaap	Proceeds From Sale Of Short Term Investments ProceedsFromSaleOfShortTermInvestments	0	USD
CY2017Q3	us-gaap	Proceeds From Sale Of Short Term Investments ProceedsFromSaleOfShortTermInvestments	0	USD
	us-gaap	Proceeds From Sale Of Short Term Investments ProceedsFromSaleOfShortTermInvestments	0	USD
CY2016Q3	us-gaap	Profit Loss ProfitLoss	-764200000	USD
	us-gaap	Profit Loss ProfitLoss	242800000	USD
CY2017Q3	us-gaap	Profit Loss ProfitLoss	556700000	USD
	us-gaap	Profit Loss ProfitLoss	1527100000	USD
CY2016Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	62036600000	USD
CY2017Q3	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	65438200000	USD
CY2016Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	45639300000	USD
CY2017Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	48316500000	USD
CY2016Q3	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity	25600000	USD
	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity	86100000	USD
CY2017Q3	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity	20000000	USD
	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity	62200000	USD
CY2016Q4	us-gaap	Public Utilities Property Plant And Equipment Distribution PublicUtilitiesPropertyPlantAndEquipmentDistribution	18900800000	USD
CY2017Q3	us-gaap	Public Utilities Property Plant And Equipment Distribution PublicUtilitiesPropertyPlantAndEquipmentDistribution	19589400000	USD
CY2016Q4	us-gaap	Public Utilities Property Plant And Equipment Generation Or Processing PublicUtilitiesPropertyPlantAndEquipmentGenerationOrProcessing	19848900000	USD
CY2017Q3	us-gaap	Public Utilities Property Plant And Equipment Generation Or Processing PublicUtilitiesPropertyPlantAndEquipmentGenerationOrProcessing	20739300000	USD
CY2016Q4	us-gaap	Public Utilities Property Plant And Equipment Other Property Plant And Equipment PublicUtilitiesPropertyPlantAndEquipmentOtherPropertyPlantAndEquipment	3444300000	USD
CY2017Q3	us-gaap	Public Utilities Property Plant And Equipment Other Property Plant And Equipment PublicUtilitiesPropertyPlantAndEquipmentOtherPropertyPlantAndEquipment	3614100000	USD
CY2016Q4	us-gaap	Public Utilities Property Plant And Equipment Transmission PublicUtilitiesPropertyPlantAndEquipmentTransmission	16658700000	USD
CY2017Q3	us-gaap	Public Utilities Property Plant And Equipment Transmission PublicUtilitiesPropertyPlantAndEquipmentTransmission	17785400000	USD
CY2016Q3	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Before Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax	-2800000	USD
	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Before Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax	-4200000	USD
CY2017Q3	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Before Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax	4800000	USD
	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Before Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax	22800000	USD
CY2016Q3	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	-1700000	USD
	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	-2700000	USD
CY2017Q3	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	3100000	USD
	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	14900000	USD
CY2016Q4	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	156600000	USD
CY2017Q3	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	153500000	USD
CY2016Q4	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	5625500000	USD
CY2017Q3	us-gaap	Taxes Payable Current TaxesPayableCurrent	716500000	USD
CY2016Q4	us-gaap	Transfers Accounted For As Secured Borrowings Assets Carrying Amount TransfersAccountedForAsSecuredBorrowingsAssetsCarryingAmount	972700000	USD
CY2017Q3	us-gaap	Transfers Accounted For As Secured Borrowings Assets Carrying Amount TransfersAccountedForAsSecuredBorrowingsAssetsCarryingAmount	967600000	USD
CY2016Q4	us-gaap	Transfers Accounted For As Secured Borrowings Associated Liabilities Carrying Amount TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesCarryingAmount	673000000	USD
	us-gaap	Repayments Of Long Term Capital Lease Obligations RepaymentsOfLongTermCapitalLeaseObligations	81900000	USD
	us-gaap	Repayments Of Long Term Capital Lease Obligations RepaymentsOfLongTermCapitalLeaseObligations	50500000	USD
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	1307600000	USD
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	2427200000	USD
CY2016Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	7892400000	USD
CY2017Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	8532000000	USD
CY2016Q3	us-gaap	Revenue From Related Parties RevenueFromRelatedParties	0	USD
	us-gaap	Revenue From Related Parties RevenueFromRelatedParties	0	USD
CY2017Q3	us-gaap	Revenue From Related Parties RevenueFromRelatedParties	0	USD
	us-gaap	Revenue From Related Parties RevenueFromRelatedParties	0	USD
CY2016Q3	us-gaap	Revenues Revenues	4652200000	USD
	us-gaap	Revenues Revenues	12590000000	USD
CY2017Q3	us-gaap	Revenues Revenues	4104700000	USD
	us-gaap	Revenues Revenues	11614500000	USD
CY2016Q4	us-gaap	Secured Debt SecuredDebt	1705000000	USD
CY2017Q3	us-gaap	Secured Debt SecuredDebt	1449400000	USD
CY2016Q4	us-gaap	Securities Received As Collateral SecuritiesReceivedAsCollateral	7900000	USD
CY2017Q3	us-gaap	Securities Received As Collateral SecuritiesReceivedAsCollateral	3500000	USD
CY2016Q4	us-gaap	Securitized Regulatory Transition Assets Noncurrent SecuritizedRegulatoryTransitionAssetsNoncurrent	1486100000	USD
CY2017Q3	us-gaap	Securitized Regulatory Transition Assets Noncurrent SecuritizedRegulatoryTransitionAssetsNoncurrent	1287800000	USD
CY2016Q4	us-gaap	Short Term Bank Loans And Notes Payable ShortTermBankLoansAndNotesPayable	1040000000	USD
CY2017Q3	us-gaap	Short Term Bank Loans And Notes Payable ShortTermBankLoansAndNotesPayable	309300000	USD
CY2016Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	1713000000	USD
CY2017Q3	us-gaap	Short Term Borrowings ShortTermBorrowings	1059300000	USD
CY2016Q4	us-gaap	Short Term Debt Weighted Average Interest Rate ShortTermDebtWeightedAverageInterestRate	0.0070
CY2017Q3	us-gaap	Short Term Debt Weighted Average Interest Rate ShortTermDebtWeightedAverageInterestRate	0.0117
CY2016Q4	us-gaap	Short Term Investments ShortTermInvestments	331700000	USD
CY2017Q3	us-gaap	Short Term Investments ShortTermInvestments	310700000	USD
CY2016Q4	us-gaap	Spent Nuclear Fuel Obligation Noncurrent SpentNuclearFuelObligationNoncurrent	266300000	USD
CY2017Q3	us-gaap	Spent Nuclear Fuel Obligation Noncurrent SpentNuclearFuelObligationNoncurrent	267900000	USD
	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	34200000	USD
CY2016Q4	us-gaap	Stockholders Equity StockholdersEquity	17397000000	USD
CY2017Q3	us-gaap	Stockholders Equity StockholdersEquity	18069100000	USD
CY2015Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	17904900000	USD
CY2016Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	17343000000	USD
CY2016Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	17420100000	USD
CY2017Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	18105500000	USD
	us-gaap	Stockholders Equity Other StockholdersEquityOther	-9600000	USD
	us-gaap	Stockholders Equity Other StockholdersEquityOther	-52400000	USD
CY2016Q3	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	264400000	USD
	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	767900000	USD
CY2017Q3	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	272600000	USD
	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	792000000	USD
CY2016Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	1048000000	USD
CY2017Q3	us-gaap	Transfers Accounted For As Secured Borrowings Associated Liabilities Carrying Amount TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesCarryingAmount	750000000	USD
CY2016Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	20336592	shares
CY2017Q3	us-gaap	Treasury Stock Shares TreasuryStockShares	20206368	shares
CY2016Q4	us-gaap	Unbilled Receivables Current UnbilledReceivablesCurrent	158700000	USD
CY2017Q3	us-gaap	Unbilled Receivables Current UnbilledReceivablesCurrent	187300000	USD
	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	-56600000	USD
	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	56200000	USD
CY2017Q3	us-gaap	Unsecured Debt UnsecuredDebt	16038600000	USD
CY2016Q3	us-gaap	Utilities Operating Expense Depreciation And Amortization UtilitiesOperatingExpenseDepreciationAndAmortization	539300000	USD
	us-gaap	Utilities Operating Expense Depreciation And Amortization UtilitiesOperatingExpenseDepreciationAndAmortization	1550200000	USD
CY2017Q3	us-gaap	Utilities Operating Expense Depreciation And Amortization UtilitiesOperatingExpenseDepreciationAndAmortization	518500000	USD
	us-gaap	Utilities Operating Expense Depreciation And Amortization UtilitiesOperatingExpenseDepreciationAndAmortization	1485900000	USD
CY2016Q3	us-gaap	Utilities Operating Expense Maintenance UtilitiesOperatingExpenseMaintenance	286300000	USD
	us-gaap	Utilities Operating Expense Maintenance UtilitiesOperatingExpenseMaintenance	854400000	USD
CY2017Q3	us-gaap	Utilities Operating Expense Maintenance UtilitiesOperatingExpenseMaintenance	268000000	USD
	us-gaap	Utilities Operating Expense Maintenance UtilitiesOperatingExpenseMaintenance	859400000	USD
CY2016Q3	us-gaap	Utilities Operating Expense Operations UtilitiesOperatingExpenseOperations	771100000	USD
	us-gaap	Utilities Operating Expense Operations UtilitiesOperatingExpenseOperations	2150700000	USD
CY2017Q3	us-gaap	Utilities Operating Expense Operations UtilitiesOperatingExpenseOperations	636100000	USD
	us-gaap	Utilities Operating Expense Operations UtilitiesOperatingExpenseOperations	1842500000	USD
CY2016Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	491800000	shares
CY2016Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	491813858	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	491596861	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	491600000	shares
CY2017Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	493000000	shares
CY2017Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	492986307	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	492400000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	492428586	shares
CY2016Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	491700000	shares
CY2016Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	491697809	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	491422921	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	491400000	shares
CY2017Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	491840722	shares
CY2017Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	491800000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	491781643	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	491800000	shares

Files In Submission

Name	View Source	Status
0000004904-17-000060-index-headers.html	Edgar Link	pending
0000004904-17-000060-index.html	Edgar Link	pending
0000004904-17-000060.txt	Edgar Link	pending
0000004904-17-000060-xbrl.zip	Edgar Link	pending
aep-20170930.xml	Edgar Link	completed
aep-20170930.xsd	Edgar Link	pending
aep-20170930_cal.xml	Edgar Link	unprocessable
aep-20170930_def.xml	Edgar Link	unprocessable
aep-20170930_lab.xml	Edgar Link	unprocessable
aep-20170930_pre.xml	Edgar Link	unprocessable
aep20173q10q.htm	Edgar Link	pending
ex12aep20173q.htm	Edgar Link	pending
ex12aeptco20173q.htm	Edgar Link	pending
ex12apco20173q.htm	Edgar Link	pending
ex12im20173q.htm	Edgar Link	pending
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ex12pso20173q.htm	Edgar Link	pending
ex12swepco20173q.htm	Edgar Link	pending
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ex32aim20173q.htm	Edgar Link	pending
ex32aopco20173q.htm	Edgar Link	pending
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ex32aswepco20173q.htm	Edgar Link	pending
ex32baep20173q.htm	Edgar Link	pending
ex32baeptco20173q.htm	Edgar Link	pending
ex32bapco20173q.htm	Edgar Link	pending
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ex32bpso20173q.htm	Edgar Link	pending
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ex9520173q.htm	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
R1.htm	Edgar Link	pending
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report.css	Edgar Link	pending
Show.js	Edgar Link	pending

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$AEP
AMERICAN ELECTRIC POWER CO INC Stock $aep

2017 Q3 Form 10-Q Financial Statement

#000000490417000060 Filed on October 27, 2017

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$AEP AMERICAN ELECTRIC POWER CO INC Stock $aep

2017 Q3 Form 10-Q Financial Statement

#000000490417000060 Filed on October 27, 2017

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$AEP
AMERICAN ELECTRIC POWER CO INC Stock $aep