$ETR
ENTERGY CORP /DE/ Stock $etr

$etr Overview Financials Valuation SEC Filings Company Website

2012 Q4 Form 10-K Financial Statement

#000006598414000065 Filed on February 27, 2014

Income Statement

Concept	2012 Q4	2012 Q3	2012 Q2
Revenue	$2.436B	$2.964B	$2.519B
YoY Change	-2.12%	-12.72%	-10.16%
Cost Of Revenue	$350.3M	$399.1M	$403.1M
YoY Change	3.06%	-26.08%	-21.61%
Gross Profit	$2.086B	$2.565B	$2.116B
YoY Change	-2.94%	-10.2%	-7.58%
Gross Profit Margin	85.62%	86.53%	84.0%
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$477.9M	$461.0M	$382.7M
YoY Change	11.19%	-0.58%	-10.92%
% of Gross Profit	22.91%	17.98%	18.09%
Operating Expenses	$1.762B	$1.874B	$1.773B
YoY Change	-2.47%	-16.9%	2.44%
Operating Profit	$324.2M	$690.9M	$343.0M
YoY Change	-5.4%	14.95%	-38.62%
Interest Expense	-$121.4M	-$131.3M	-$120.3M
YoY Change	11.48%	26.13%	20.18%
% of Operating Profit	-37.45%	-19.01%	-35.07%
Other Income/Expense, Net	$19.80M	$15.60M	$25.80M
YoY Change	20.73%	-8.77%	100.0%
Pretax Income	$222.6M	$575.2M	$248.4M
YoY Change	-11.03%	11.93%	-47.33%
Income Tax	-$79.30M	$232.5M	-$122.2M
% Of Pretax Income	-35.62%	40.42%	-49.19%
Net Earnings	$296.3M	$337.1M	$365.0M
YoY Change	85.17%	-46.76%	13.85%
Net Earnings / Revenue	12.16%	11.37%	14.49%
Basic Earnings Per Share	$1.67	$1.90	$2.06
Diluted Earnings Per Share	$1.67	$1.89	$2.06
COMMON SHARES
Basic Shares Outstanding		177.5M	177.2M
Diluted Shares Outstanding

Balance Sheet

Concept	2012 Q4	2012 Q3	2012 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments	$579.0M	$802.0M	$321.0M
YoY Change	-22.28%	-22.21%	-43.09%
Cash & Equivalents	$532.6M
Short-Term Investments	$466.0M	$705.0M	$231.0M
Other Short-Term Assets	$242.9M	$1.053B	$1.070B
YoY Change	-77.47%	-6.73%	-23.13%
Inventory	$1.142B	$1.136B	$1.134B
Prepaid Expenses
Receivables	$1.002B	$661.0M	$531.0M
Other Receivables	$161.0M	$156.0M	$147.0M
Total Short-Term Assets	$3.683B	$3.808B	$3.204B
YoY Change	1.66%	-8.33%	-17.06%
LONG-TERM ASSETS
Property, Plant & Equipment	$256.0M	$26.69B	$26.26B
YoY Change	-99.01%	6.52%	5.45%
Goodwill	$377.2M
YoY Change
Intangibles
YoY Change
Long-Term Investments	$46.74M	$48.00M	$45.00M
YoY Change	4.15%	9.09%	2.27%
Other Assets	$936.6M	$11.10B	$11.04B
YoY Change	-91.32%	16.5%	10.97%
Total Long-Term Assets	$7.292B	$38.22B	$37.71B
YoY Change	-80.33%	9.17%	6.94%
TOTAL ASSETS
Total Short-Term Assets	$3.683B	$3.808B	$3.204B
Total Long-Term Assets	$7.292B	$38.22B	$37.71B
Total Assets	$43.20B	$42.02B	$40.92B
YoY Change	6.14%	7.31%	4.57%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$1.217B	$1.363B	$1.036B
YoY Change	13.86%	54.36%	-0.77%
Accrued Expenses	$362.2M	$532.0M	$489.0M
YoY Change	-28.41%	159.51%	123.29%
Deferred Revenue
YoY Change
Short-Term Debt	$796.0M	$356.0M	$104.0M
YoY Change	637.04%	145.52%	-20.61%
Long-Term Debt Due	$718.5M	$792.0M	$424.0M
YoY Change	-67.28%	-60.91%	221.21%
Total Short-Term Liabilities	$4.106B	$3.924B	$3.042B
YoY Change	-17.06%	-5.7%	35.68%
LONG-TERM LIABILITIES
Long-Term Debt	$11.92B	$11.78B	$12.01B
YoY Change	18.23%	14.62%	-0.77%
Other Long-Term Liabilities	$577.9M	$8.395B	$8.316B
YoY Change	-92.82%	24.22%	23.58%
Total Long-Term Liabilities	$29.62B	$20.18B	$20.32B
YoY Change	63.39%	18.43%	7.94%
TOTAL LIABILITIES
Total Short-Term Liabilities	$4.106B	$3.924B	$3.042B
Total Long-Term Liabilities	$29.62B	$20.18B	$20.32B
Total Liabilities	$33.72B	$32.55B	$31.61B
YoY Change	7.2%	8.93%	4.59%
SHAREHOLDERS EQUITY
Retained Earnings	$9.705B
YoY Change
Common Stock	$2.548M
YoY Change
Preferred Stock
YoY Change
Treasury Stock (at cost)	$5.575B
YoY Change
Treasury Stock Shares	76.95M shares
Shareholders Equity	$9.197B	$9.471B	$9.311B
YoY Change
Total Liabilities & Shareholders Equity	$43.20B	$42.02B	$40.92B
YoY Change	6.14%	7.31%	4.57%

Cashflow Statement

Concept	2012 Q4	2012 Q3	2012 Q2
OPERATING ACTIVITIES
Net Income	$296.3M	$337.1M	$365.0M
YoY Change	85.17%	-46.76%	13.85%
Depreciation, Depletion And Amortization	$477.9M	$461.0M	$382.7M
YoY Change	11.19%	-0.58%	-10.92%
Cash From Operating Activities	$720.5M	$1.032B	$587.4M
YoY Change	-27.88%	-10.47%	-10.2%
INVESTING ACTIVITIES
Capital Expenditures	-$1.407B	-$788.5M	-$729.1M
YoY Change	28.83%	45.59%	-19.58%
Acquisitions
YoY Change
Other Investing Activities	$90.20M	-$34.50M	-$21.80M
YoY Change	122.17%	32.18%	-10.66%
Cash From Investing Activities	-$1.317B	-$823.0M	-$750.9M
YoY Change	25.22%	44.95%	-19.34%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	379.1M	257.8M	-238.3M
YoY Change	-257.63%	-301.41%	-396.39%
NET CHANGE
Cash From Operating Activities	720.5M	1.032B	587.4M
Cash From Investing Activities	-1.317B	-823.0M	-750.9M
Cash From Financing Activities	379.1M	257.8M	-238.3M
Net Change In Cash	-217.0M	466.7M	-401.8M
YoY Change	-25.91%	2.17%	104.58%
FREE CASH FLOW
Cash From Operating Activities	$720.5M	$1.032B	$587.4M
Capital Expenditures	-$1.407B	-$788.5M	-$729.1M
Free Cash Flow	$2.127B	$1.820B	$1.317B
YoY Change	1.74%	7.45%	-15.65%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2012Q4	us-gaap	Cash Equivalents At Carrying Value CashEquivalentsAtCarryingValue	419577000	USD
CY2012Q4	us-gaap	Accumulated Deferred Investment Tax Credit AccumulatedDeferredInvestmentTaxCredit	273696000	USD
CY2013Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	1173313000	USD
CY2012Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	1217180000	USD
CY2013Q4	us-gaap	Accounts Receivable Gross Current AccountsReceivableGrossCurrent	670641000	USD
CY2012Q4	us-gaap	Accounts Receivable Gross Current AccountsReceivableGrossCurrent	568871000	USD
CY2012Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	1001715000	USD
CY2013Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	1172186000	USD
CY2012Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	362226000	USD
CY2013Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	115139000	USD
CY2013Q4	us-gaap	Accumulated Deferred Investment Tax Credit AccumulatedDeferredInvestmentTaxCredit	263765000	USD
CY2012Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	230400000	USD
CY2013Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	203000000	USD
CY2013Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	34311000	USD
CY2012Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-293083000	USD
CY2013Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-29324000	USD
CY2013Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	5368131000	USD
CY2012Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	5357852000	USD
CY2012Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	31956000	USD
CY2011	us-gaap	Allowance For Funds Used During Construction Investing Activities AllowanceForFundsUsedDuringConstructionInvestingActivities	86252000	USD
CY2013	us-gaap	Allowance For Funds Used During Construction Investing Activities AllowanceForFundsUsedDuringConstructionInvestingActivities	69689000	USD
CY2012	us-gaap	Allowance For Funds Used During Construction Investing Activities AllowanceForFundsUsedDuringConstructionInvestingActivities	96131000	USD
CY2011	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	5712604	shares
CY2013	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	8866542	shares
CY2012	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	7164319	shares
CY2012Q1	us-gaap	Asset Impairment Charges AssetImpairmentCharges	355500000	USD
CY2013	us-gaap	Asset Impairment Charges AssetImpairmentCharges	321500000	USD
CY2012	us-gaap	Asset Impairment Charges AssetImpairmentCharges	355500000	USD
CY2013Q4	us-gaap	Asset Retirement Obligations Noncurrent AssetRetirementObligationsNoncurrent	3933416000	USD
CY2012Q4	us-gaap	Asset Retirement Obligations Noncurrent AssetRetirementObligationsNoncurrent	3513634000	USD
CY2012Q4	us-gaap	Assets Assets	43202502000	USD
CY2013Q4	us-gaap	Assets Assets	43406446000	USD
CY2013Q4	us-gaap	Assets Current AssetsCurrent	3929691000	USD
CY2012Q4	us-gaap	Assets Current AssetsCurrent	3683126000	USD
CY2013Q4	us-gaap	Assets Noncurrent AssetsNoncurrent	6241626000	USD
CY2012Q4	us-gaap	Assets Noncurrent AssetsNoncurrent	7291712000	USD
CY2012Q4	us-gaap	Available For Sale Securities AvailableForSaleSecurities	4190000000	USD
CY2013Q4	us-gaap	Available For Sale Securities AvailableForSaleSecurities	4903000000	USD
CY2013	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than12 Months Aggregate Losses AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAggregateLosses	0	USD
CY2013Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	620000000	USD
CY2012Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	562000000	USD
CY2012Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	681000000	USD
CY2013Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	752000000	USD
CY2012Q4	us-gaap	Available For Sale Securities Debt Maturities Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAmortizedCost	1637000000	USD
CY2013Q4	us-gaap	Available For Sale Securities Debt Maturities Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAmortizedCost	1843000000	USD
CY2012Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	53000000	USD
CY2013Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	83000000	USD
CY2013Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	1830000000	USD
CY2012Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	1731000000	USD
CY2013	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	91000000	USD
CY2012	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	39000000	USD
CY2011	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	29000000	USD
CY2012	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	7000000	USD
CY2013	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	11000000	USD
CY2011	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	11000000	USD
CY2012	us-gaap	Available For Sale Securities Gross Unrealized Gains AvailableForSaleSecuritiesGrossUnrealizedGains	778000000	USD
CY2013	us-gaap	Available For Sale Securities Gross Unrealized Gains AvailableForSaleSecuritiesGrossUnrealizedGains	1307000000	USD
CY2012	us-gaap	Available For Sale Securities Gross Unrealized Loss AvailableForSaleSecuritiesGrossUnrealizedLoss	6000000	USD
CY2013	us-gaap	Available For Sale Securities Gross Unrealized Loss AvailableForSaleSecuritiesGrossUnrealizedLoss	29000000	USD
CY2012	us-gaap	Available For Sale Securities Income Tax Expense On Change In Unrealized Holding Gain Or Loss AvailableForSaleSecuritiesIncomeTaxExpenseOnChangeInUnrealizedHoldingGainOrLoss	211000000	USD
CY2013	us-gaap	Available For Sale Securities Income Tax Expense On Change In Unrealized Holding Gain Or Loss AvailableForSaleSecuritiesIncomeTaxExpenseOnChangeInUnrealizedHoldingGainOrLoss	329000000	USD
CY2013Q4	us-gaap	Capital Lease Obligations Current CapitalLeaseObligationsCurrent	2323000	USD
CY2012Q4	us-gaap	Capital Lease Obligations Current CapitalLeaseObligationsCurrent	3880000	USD
CY2012Q4	us-gaap	Capital Lease Obligations Noncurrent CapitalLeaseObligationsNoncurrent	34541000	USD
CY2013Q4	us-gaap	Capital Lease Obligations Noncurrent CapitalLeaseObligationsNoncurrent	32218000	USD
CY2013Q4	us-gaap	Capital Leased Assets Gross CapitalLeasedAssetsGross	941299000	USD
CY2012Q4	us-gaap	Capital Leased Assets Gross CapitalLeasedAssetsGross	935199000	USD
CY2013Q4	us-gaap	Capital Leases Future Minimum Payments Due CapitalLeasesFutureMinimumPaymentsDue	52446000	USD
CY2013Q4	us-gaap	Capital Leases Future Minimum Payments Due Current CapitalLeasesFutureMinimumPaymentsDueCurrent	4694000	USD
CY2013Q4	us-gaap	Capital Leases Future Minimum Payments Due In Five Years CapitalLeasesFutureMinimumPaymentsDueInFiveYears	3672000	USD
CY2013Q4	us-gaap	Capital Leases Future Minimum Payments Due In Four Years CapitalLeasesFutureMinimumPaymentsDueInFourYears	4457000	USD
CY2013Q4	us-gaap	Capital Leases Future Minimum Payments Due In Three Years CapitalLeasesFutureMinimumPaymentsDueInThreeYears	4457000	USD
CY2013Q4	us-gaap	Capital Leases Future Minimum Payments Due In Two Years CapitalLeasesFutureMinimumPaymentsDueInTwoYears	4615000	USD
CY2013Q4	us-gaap	Capital Leases Future Minimum Payments Due Thereafter CapitalLeasesFutureMinimumPaymentsDueThereafter	30551000	USD
CY2013Q4	us-gaap	Capital Leases Future Minimum Payments Interest Included In Payments CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments	18135000	USD
CY2013Q4	us-gaap	Capital Leases Future Minimum Payments Present Value Of Net Minimum Payments CapitalLeasesFutureMinimumPaymentsPresentValueOfNetMinimumPayments	34311000	USD
CY2013Q4	us-gaap	Cash Cash	129979000	USD
CY2012Q4	us-gaap	Cash Cash	112992000	USD
CY2011Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	694438000	USD
CY2010Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1294472000	USD
CY2012Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	532569000	USD
CY2013Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	739126000	USD
CY2012	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-161869000	USD
CY2011	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-600034000	USD
CY2013	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	206557000	USD
CY2012Q4	us-gaap	Cash Collateral For Borrowed Securities CashCollateralForBorrowedSecurities	56000000	USD
CY2013Q4	us-gaap	Cash Collateral For Borrowed Securities CashCollateralForBorrowedSecurities	4000000	USD
CY2013Q4	us-gaap	Cash Equivalents At Carrying Value CashEquivalentsAtCarryingValue	609147000	USD
CY2013	us-gaap	Cash Flow Hedge Gain Loss To Be Reclassified Within Twelve Months CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths	80000000	USD
CY2013Q4	us-gaap	Collateral Already Posted Aggregate Fair Value CollateralAlreadyPostedAggregateFairValue	47000000	USD
CY2012Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2013Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2013	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	3.32
CY2012	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	3.32
CY2011	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	3.32
CY2012Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2013Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2012Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	500000000	shares
CY2013Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	500000000	shares
CY2013Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	254752788	shares
CY2012Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	254752788	shares
CY2013Q4	us-gaap	Common Stock Value CommonStockValue	2548000	USD
CY2012Q4	us-gaap	Common Stock Value CommonStockValue	2548000	USD
CY2011	us-gaap	Competitive Energy Revenue CompetitiveEnergyRevenue	2389737000	USD
CY2013	us-gaap	Competitive Energy Revenue CompetitiveEnergyRevenue	2294234000	USD
CY2012	us-gaap	Competitive Energy Revenue CompetitiveEnergyRevenue	2300594000	USD
CY2013	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	975661000	USD
CY2011	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	1216199000	USD
CY2012	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	722042000	USD
CY2013	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	994331000	USD
CY2011	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	1237132000	USD
CY2012	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	743732000	USD
CY2012Q4	us-gaap	Construction Payable Current And Noncurrent ConstructionPayableCurrentAndNoncurrent	267000000	USD
CY2013Q4	us-gaap	Construction Payable Current And Noncurrent ConstructionPayableCurrentAndNoncurrent	166000000	USD
CY2012	us-gaap	Cost Of Purchased Power CostOfPurchasedPower	1255800000	USD
CY2011	us-gaap	Cost Of Purchased Power CostOfPurchasedPower	1564967000	USD
CY2013	us-gaap	Cost Of Purchased Power CostOfPurchasedPower	1554332000	USD
CY2012	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	-47851000	USD
CY2013	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	88291000	USD
CY2011	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	452713000	USD
CY2011	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	130000	USD
CY2012	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	143000	USD
CY2013	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	101000	USD
CY2012	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	-89224000	USD
CY2013	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	108976000	USD
CY2011	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	605554000	USD
CY2013	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	20584000	USD
CY2012	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	-41516000	USD
CY2011	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	152711000	USD
CY2013Q4	us-gaap	Customer Deposits Current CustomerDepositsCurrent	370997000	USD
CY2012Q4	us-gaap	Customer Deposits Current CustomerDepositsCurrent	359078000	USD
CY2012Q4	us-gaap	Debt Instrument Unamortized Discount Premium Net DebtInstrumentUnamortizedDiscountPremiumNet	-10744000	USD
CY2013Q4	us-gaap	Debt Instrument Unamortized Discount Premium Net DebtInstrumentUnamortizedDiscountPremiumNet	-11172000	USD
CY2012Q4	us-gaap	Decommissioning Fund Investments DecommissioningFundInvestments	4190108000	USD
CY2013Q4	us-gaap	Decommissioning Fund Investments DecommissioningFundInvestments	4903144000	USD
CY2013Q4	us-gaap	Deferred Fuel Cost DeferredFuelCost	116379000	USD
CY2012Q4	us-gaap	Deferred Fuel Cost DeferredFuelCost	150363000	USD
CY2013	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	311789000	USD
CY2012	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	-26479000	USD
CY2011	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	-280029000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Capital Loss Carryforwards DeferredTaxAssetsCapitalLossCarryforwards	13140000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Capital Loss Carryforwards DeferredTaxAssetsCapitalLossCarryforwards	23114000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Deferred Gain On Sale Leaseback Transaction DeferredTaxAssetsDeferredGainOnSaleLeasebackTransaction	176119000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Deferred Gain On Sale Leaseback Transaction DeferredTaxAssetsDeferredGainOnSaleLeasebackTransaction	195074000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	-8515858000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	-7980215000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Liabilities Net Noncurrent DeferredTaxAssetsLiabilitiesNetNoncurrent	-400276000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Liabilities Net Noncurrent DeferredTaxAssetsLiabilitiesNetNoncurrent	-210534000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	2745218000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	3242158000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Net Current DeferredTaxAssetsNetCurrent	175073000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Net Current DeferredTaxAssetsNetCurrent	306902000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Net Noncurrent DeferredTaxAssetsNetNoncurrent	62011000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Net Noncurrent DeferredTaxAssetsNetNoncurrent	37748000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	548756000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	960235000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	78721000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	109606000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Regulatory Assets And Liabilities DeferredTaxAssetsRegulatoryAssetsAndLiabilities	404852000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Regulatory Assets And Liabilities DeferredTaxAssetsRegulatoryAssetsAndLiabilities	403370000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	106777000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	110690000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Pensions DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions	469190000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Pensions DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions	664569000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Contingencies DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsContingencies	61576000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Contingencies DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsContingencies	66026000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Restructuring Charges DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsRestructuringCharges	754828000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Restructuring Charges DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsRestructuringCharges	733103000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	28146000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	86881000	USD
CY2012Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	11011839000	USD
CY2013Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	10860800000	USD
CY2013Q4	us-gaap	Deferred Tax Liabilities Current DeferredTaxLiabilitiesCurrent	28307000	USD
CY2012Q4	us-gaap	Deferred Tax Liabilities Current DeferredTaxLiabilitiesCurrent	13109000	USD
CY2012Q4	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	8311756000	USD
CY2013Q4	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	8724635000	USD
CY2012Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	485550000	USD
CY2013Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	404749000	USD
CY2012Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	8240342000	USD
CY2013Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	7941319000	USD
CY2012Q4	us-gaap	Deferred Tax Liabilities Regulatory Assets And Liabilities DeferredTaxLiabilitiesRegulatoryAssetsAndLiabilities	898143000	USD
CY2013Q4	us-gaap	Deferred Tax Liabilities Regulatory Assets And Liabilities DeferredTaxLiabilitiesRegulatoryAssetsAndLiabilities	922312000	USD
CY2013	us-gaap	Defined Benefit Plan Effect Of One Percentage Point Decrease On Accumulated Postretirement Benefit Obligation1 DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnAccumulatedPostretirementBenefitObligation1	-143969000	USD
CY2013	us-gaap	Defined Benefit Plan Effect Of One Percentage Point Decrease On Service And Interest Cost Components1 DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnServiceAndInterestCostComponents1	-18781000	USD
CY2013	us-gaap	Defined Benefit Plan Effect Of One Percentage Point Increase On Accumulated Postretirement Benefit Obligation DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnAccumulatedPostretirementBenefitObligation	173530000	USD
CY2013	us-gaap	Defined Benefit Plan Effect Of One Percentage Point Increase On Service And Interest Cost Components DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnServiceAndInterestCostComponents	23366000	USD
CY2013	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	2012076000	USD
CY2011	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	1745455000	USD
CY2012	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	1771649000	USD
CY2011	us-gaap	Depreciation Nonproduction DepreciationNonproduction	1102202000	USD
CY2013	us-gaap	Depreciation Nonproduction DepreciationNonproduction	1261044000	USD
CY2012	us-gaap	Depreciation Nonproduction DepreciationNonproduction	1144585000	USD
CY2012	us-gaap	Derivative Instruments Gain Loss Reclassified From Accumulated Oci Into Income Effective Portion Net DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet	268000000	USD
CY2011	us-gaap	Derivative Instruments Gain Loss Reclassified From Accumulated Oci Into Income Effective Portion Net DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet	168000000	USD
CY2013	us-gaap	Derivative Instruments Gain Loss Reclassified From Accumulated Oci Into Income Effective Portion Net DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet	47000000	USD
CY2011	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	588880000	USD
CY2012	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	589042000	USD
CY2013	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	591440000	USD
CY2013	us-gaap	Dividends Preferred Stock Cash DividendsPreferredStockCash	12000000	USD
CY2012	us-gaap	Dividends Preferred Stock Cash DividendsPreferredStockCash	15000000	USD
CY2011	us-gaap	Dividends Preferred Stock Cash DividendsPreferredStockCash	13300000	USD
CY2012	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	4.77
CY2011	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	7.59
CY2013	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.99
CY2012Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.06
CY2013Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.82
CY2012Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.67
CY2012Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.90
CY2013Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.35
CY2013Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.92
CY2012Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.86
CY2013Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.91
CY2013	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.99
CY2011	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	7.55
CY2012	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	4.76
CY2012Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.06
CY2013Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.82
CY2012Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.67
CY2013Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.34
CY2013Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.90
CY2012Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.89
CY2012Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.86
CY2013Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.92
CY2011	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	287000	USD
CY2013	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	-245000	USD
CY2012	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	-508000	USD
CY2012	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.034
CY2011	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.173
CY2013	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.236
CY2011	us-gaap	Electric Utility Revenue ElectricUtilityRevenue	8673517000	USD
CY2012	us-gaap	Electric Utility Revenue ElectricUtilityRevenue	7870649000	USD
CY2013	us-gaap	Electric Utility Revenue ElectricUtilityRevenue	8942360000	USD
CY2013Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	5000000	USD
CY2013	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P1Y8M12D
CY2013	us-gaap	Equity Method Investment Sold Carrying Amount EquityMethodInvestmentSoldCarryingAmount	-4686000	USD
CY2012	us-gaap	Equity Method Investment Sold Carrying Amount EquityMethodInvestmentSoldCarryingAmount	700000	USD
CY2011	us-gaap	Equity Method Investment Sold Carrying Amount EquityMethodInvestmentSoldCarryingAmount	4267000	USD
CY2012Q4	us-gaap	Equity Method Investments EquityMethodInvestments	46738000	USD
CY2013Q4	us-gaap	Equity Method Investments EquityMethodInvestments	40350000	USD
CY2011Q4	us-gaap	Equity Method Investments EquityMethodInvestments	44876000	USD
CY2010Q4	us-gaap	Equity Method Investments EquityMethodInvestments	40697000	USD
CY2012	us-gaap	Gain Loss On Investments GainLossOnInvestments	0	USD
CY2011	us-gaap	Gain Loss On Investments GainLossOnInvestments	0	USD
CY2013	us-gaap	Gain Loss On Investments GainLossOnInvestments	43569000	USD
CY2011	us-gaap	Gain Loss On Price Risk Cash Flow Hedge Ineffectiveness GainLossOnPriceRiskCashFlowHedgeIneffectiveness	-6000000	USD
CY2012	us-gaap	Gain Loss On Price Risk Cash Flow Hedge Ineffectiveness GainLossOnPriceRiskCashFlowHedgeIneffectiveness	-14000000	USD
CY2013	us-gaap	Gain Loss On Price Risk Cash Flow Hedge Ineffectiveness GainLossOnPriceRiskCashFlowHedgeIneffectiveness	-6000000	USD
CY2012	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	0	USD
CY2011	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	0	USD
CY2013	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	43569000	USD
CY2012	us-gaap	Gas Domestic Regulated Revenue GasDomesticRegulatedRevenue	130836000	USD
CY2013	us-gaap	Gas Domestic Regulated Revenue GasDomesticRegulatedRevenue	154353000	USD
CY2011	us-gaap	Gas Domestic Regulated Revenue GasDomesticRegulatedRevenue	165819000	USD
CY2012Q4	us-gaap	Goodwill Goodwill	377172000	USD
CY2013Q4	us-gaap	Goodwill Goodwill	377172000	USD
CY2013	us-gaap	Impairment Of Long Lived Assets Held For Use ImpairmentOfLongLivedAssetsHeldForUse	341537000	USD
CY2011	us-gaap	Impairment Of Long Lived Assets Held For Use ImpairmentOfLongLivedAssetsHeldForUse	0	USD
CY2012	us-gaap	Impairment Of Long Lived Assets Held For Use ImpairmentOfLongLivedAssetsHeldForUse	355524000	USD
CY2011	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	1653635000	USD
CY2012	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	899218000	USD
CY2013	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	956553000	USD
CY2012	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	1162000	USD
CY2011	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-88000	USD
CY2013	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-1702000	USD
CY2011	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	286263000	USD
CY2012	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	30855000	USD
CY2013	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	225981000	USD
CY2013	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	-31573000	USD
CY2013	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	334794000	USD
CY2011	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	578772000	USD
CY2012	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	314726000	USD
CY2012	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	0	USD
CY2013	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-27192000	USD
CY2011	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	0	USD
CY2011	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	-9661000	USD
CY2013	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	2369000	USD
CY2012	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	-2816000	USD
CY2011	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	93940000	USD
CY2012	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	40699000	USD
CY2013	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	13599000	USD
CY2013	us-gaap	Income Tax Reconciliation Tax Credits Investment IncomeTaxReconciliationTaxCreditsInvestment	9930000	USD
CY2011	us-gaap	Income Tax Reconciliation Tax Credits Investment IncomeTaxReconciliationTaxCreditsInvestment	7583000	USD
CY2012	us-gaap	Income Tax Reconciliation Tax Credits Investment IncomeTaxReconciliationTaxCreditsInvestment	11051000	USD
CY2011	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	-2042000	USD
CY2012	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	49214000	USD
CY2013	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	127735000	USD
CY2012	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-6779000	USD
CY2013	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	94436000	USD
CY2011	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-131970000	USD
CY2011	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	580042000	USD
CY2012	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	55484000	USD
CY2013	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	-142626000	USD
CY2013	us-gaap	Increase Decrease In Deferred Fuel Costs IncreaseDecreaseInDeferredFuelCosts	4824000	USD
CY2011	us-gaap	Increase Decrease In Deferred Fuel Costs IncreaseDecreaseInDeferredFuelCosts	55686000	USD
CY2012	us-gaap	Increase Decrease In Deferred Fuel Costs IncreaseDecreaseInDeferredFuelCosts	99987000	USD
CY2013	us-gaap	Increase Decrease In Fuel Inventories IncreaseDecreaseInFuelInventories	-4873000	USD
CY2012	us-gaap	Increase Decrease In Fuel Inventories IncreaseDecreaseInFuelInventories	11604000	USD
CY2011	us-gaap	Increase Decrease In Fuel Inventories IncreaseDecreaseInFuelInventories	-5393000	USD
CY2011	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	-34172000	USD
CY2013	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	-3667000	USD
CY2012	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	1152000	USD
CY2013	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	66330000	USD
CY2012	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	151989000	USD
CY2011	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-41875000	USD
CY2011	us-gaap	Increase Decrease In Pension And Postretirement Obligations IncreaseDecreaseInPensionAndPostretirementObligations	962461000	USD
CY2012	us-gaap	Increase Decrease In Pension And Postretirement Obligations IncreaseDecreaseInPensionAndPostretirementObligations	644099000	USD
CY2013	us-gaap	Increase Decrease In Pension And Postretirement Obligations IncreaseDecreaseInPensionAndPostretirementObligations	-1433663000	USD
CY2011	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	-28091000	USD
CY2012	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	14202000	USD
CY2013	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	180648000	USD
CY2013	us-gaap	Increase Decrease In Regulatory Assets And Liabilities IncreaseDecreaseInRegulatoryAssetsAndLiabilities	-1105622000	USD
CY2011	us-gaap	Increase Decrease In Regulatory Assets And Liabilities IncreaseDecreaseInRegulatoryAssetsAndLiabilities	673244000	USD
CY2012	us-gaap	Increase Decrease In Regulatory Assets And Liabilities IncreaseDecreaseInRegulatoryAssetsAndLiabilities	398428000	USD
CY2012	us-gaap	Interest Expense InterestExpense	569284000	USD
CY2013	us-gaap	Interest Expense InterestExpense	604037000	USD
CY2011	us-gaap	Interest Expense InterestExpense	513627000	USD
CY2013	us-gaap	Interest Expense Debt InterestExpenseDebt	629537000	USD
CY2012	us-gaap	Interest Expense Debt InterestExpenseDebt	606596000	USD
CY2011	us-gaap	Interest Expense Debt InterestExpenseDebt	551521000	USD
CY2012	us-gaap	Interest Paid Capitalized InterestPaidCapitalized	546125000	USD
CY2011	us-gaap	Interest Paid Capitalized InterestPaidCapitalized	532271000	USD
CY2013	us-gaap	Interest Paid Capitalized InterestPaidCapitalized	570212000	USD
CY2013Q4	us-gaap	Interest Payable Current InterestPayableCurrent	180997000	USD
CY2012Q4	us-gaap	Interest Payable Current InterestPayableCurrent	184664000	USD
CY2012	us-gaap	Investment Income Interest And Dividend InvestmentIncomeInterestAndDividend	127776000	USD
CY2013	us-gaap	Investment Income Interest And Dividend InvestmentIncomeInterestAndDividend	199300000	USD
CY2011	us-gaap	Investment Income Interest And Dividend InvestmentIncomeInterestAndDividend	128994000	USD
CY2012Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	43202502000	USD
CY2013Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	43406446000	USD
CY2013Q4	us-gaap	Liabilities Current LiabilitiesCurrent	4060572000	USD
CY2012Q4	us-gaap	Liabilities Current LiabilitiesCurrent	4106321000	USD
CY2013Q4	us-gaap	Liabilities Noncurrent LiabilitiesNoncurrent	29408648000	USD
CY2012Q4	us-gaap	Liabilities Noncurrent LiabilitiesNoncurrent	29618581000	USD
CY2013Q4	us-gaap	Line Of Credit Facility Amount Outstanding LineOfCreditFacilityAmountOutstanding	255000000	USD
CY2013	us-gaap	Line Of Credit Facility Commitment Fee Percentage LineOfCreditFacilityCommitmentFeePercentage	0.00275
CY2013Q4	us-gaap	Line Of Credit Facility Maximum Borrowing Capacity LineOfCreditFacilityMaximumBorrowingCapacity	3500000000	USD
CY2013Q4	us-gaap	Line Of Credit Facility Remaining Borrowing Capacity LineOfCreditFacilityRemainingBorrowingCapacity	3237000000	USD
CY2013Q4	us-gaap	Long Term Debt LongTermDebt	12596244000	USD
CY2012Q4	us-gaap	Long Term Debt LongTermDebt	12638834000	USD
CY2012Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	718516000	USD
CY2013Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	457095000	USD
CY2013Q4	us-gaap	Long Term Debt Fair Value LongTermDebtFairValue	12439785000	USD
CY2012Q4	us-gaap	Long Term Debt Fair Value LongTermDebtFairValue	12849330000	USD
CY2013Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	385373000	USD
CY2013Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	1324616000	USD
CY2013Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	766801000	USD
CY2013Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	270852000	USD
CY2013Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	1110566000	USD
CY2013Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	12139149000	USD
CY2012Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	11920318000	USD
CY2013Q4	us-gaap	Long Term Investments LongTermInvestments	5353485000	USD
CY2012Q4	us-gaap	Long Term Investments LongTermInvestments	4929119000	USD
CY2012Q4	us-gaap	Long Term Transition Bond LongTermTransitionBond	973480000	USD
CY2013Q4	us-gaap	Long Term Transition Bond LongTermTransitionBond	883013000	USD
CY2013Q4	us-gaap	Loss Contingency Range Of Possible Loss Maximum LossContingencyRangeOfPossibleLossMaximum	1400000000	USD
CY2012Q4	us-gaap	Minority Interest MinorityInterest	94000000	USD
CY2013Q4	us-gaap	Minority Interest MinorityInterest	94000000	USD
CY2011	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	20933000	USD
CY2012	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	21690000	USD
CY2013	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	18670000	USD
CY2012	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	538151000	USD
CY2011	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-282285000	USD
CY2013	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-380824000	USD
CY2013	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-2601593000	USD
CY2012	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-3639797000	USD
CY2011	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-3446853000	USD
CY2011	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	3128817000	USD
CY2013	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	3189219000	USD
CY2012	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	2940285000	USD
CY2011	us-gaap	Net Income Loss NetIncomeLoss	1346439000	USD
CY2013	us-gaap	Net Income Loss NetIncomeLoss	711902000	USD
CY2012	us-gaap	Net Income Loss NetIncomeLoss	846673000	USD
CY2012Q2	us-gaap	Net Income Loss NetIncomeLoss	365001000	USD
CY2012Q1	us-gaap	Net Income Loss NetIncomeLoss	-151683000	USD
CY2012Q4	us-gaap	Net Income Loss NetIncomeLoss	296267000	USD
CY2013Q2	us-gaap	Net Income Loss NetIncomeLoss	163723000	USD
CY2013Q4	us-gaap	Net Income Loss NetIncomeLoss	146929000	USD
CY2012Q3	us-gaap	Net Income Loss NetIncomeLoss	337088000	USD
CY2013Q1	us-gaap	Net Income Loss NetIncomeLoss	161400000	USD
CY2013Q3	us-gaap	Net Income Loss NetIncomeLoss	239850000	USD
CY2011	us-gaap	New Accounting Pronouncement Or Change In Accounting Principle Effect Of Change On Net Income NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfChangeOnNetIncome	1300000000	USD
CY2012	us-gaap	Noncontrolling Interest In Net Income Loss Preferred Unit Holders Redeemable NoncontrollingInterestInNetIncomeLossPreferredUnitHoldersRedeemable	21690000	USD
CY2013	us-gaap	Noncontrolling Interest In Net Income Loss Preferred Unit Holders Redeemable NoncontrollingInterestInNetIncomeLossPreferredUnitHoldersRedeemable	18670000	USD
CY2013Q4	etr	Surcharge On Maximum Retrospective Premium SurchargeOnMaximumRetrospectivePremium	0.05
CY2011	us-gaap	Noncontrolling Interest In Net Income Loss Preferred Unit Holders Redeemable NoncontrollingInterestInNetIncomeLossPreferredUnitHoldersRedeemable	20933000	USD
CY2012	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	167321000	USD
CY2011	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	154028000	USD
CY2013	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	205591000	USD
CY2012Q4	us-gaap	Nuclear Fuel Net Of Amortization NuclearFuelNetOfAmortization	1598430000	USD
CY2013Q4	us-gaap	Nuclear Fuel Net Of Amortization NuclearFuelNetOfAmortization	1566904000	USD
CY2013	us-gaap	Operating Expenses OperatingExpenses	10079517000	USD
CY2012	us-gaap	Operating Expenses OperatingExpenses	9000898000	USD
CY2011	us-gaap	Operating Expenses OperatingExpenses	9215839000	USD
CY2012	us-gaap	Operating Income Loss OperatingIncomeLoss	1301181000	USD
CY2011	us-gaap	Operating Income Loss OperatingIncomeLoss	2013234000	USD
CY2013	us-gaap	Operating Income Loss OperatingIncomeLoss	1354999000	USD
CY2013Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	346512000	USD
CY2012Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	-56857000	USD
CY2013Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	225548000	USD
CY2012Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	342984000	USD
CY2013Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	388894000	USD
CY2013Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	394045000	USD
CY2012Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	324202000	USD
CY2012Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	690852000	USD
CY2013Q4	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	455925000	USD
CY2013Q4	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	106175000	USD
CY2013Q4	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	36778000	USD
CY2013Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	46731000	USD
CY2013Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	64758000	USD
CY2013Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	89999000	USD
CY2013Q4	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	111484000	USD
CY2012	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	69900000	USD
CY2013	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	63700000	USD
CY2011	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	75300000	USD
CY2013Q4	us-gaap	Operating Loss Carryforwards Valuation Allowance OperatingLossCarryforwardsValuationAllowance	23500000	USD
CY2012Q4	us-gaap	Other Assets Current OtherAssetsCurrent	242922000	USD
CY2013Q4	us-gaap	Other Assets Current OtherAssetsCurrent	303564000	USD
CY2012Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	936648000	USD
CY2013Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	887160000	USD
CY2011	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	357000	USD
CY2012	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	508000	USD
CY2013	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	243000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	61104000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	19368000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	118878000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	271434000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	71239000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	-97591000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	-161682000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax	-87940000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax	-55750000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax	34411000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	131000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	192000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	275000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-124631000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	263759000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-130240000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-61223000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	220899000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-131198000	USD
CY2011	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	21254000	USD
CY2012	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	63609000	USD
CY2013	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	122709000	USD
CY2013Q4	us-gaap	Other Inventory Supplies OtherInventorySupplies	915006000	USD
CY2012Q4	us-gaap	Other Inventory Supplies OtherInventorySupplies	928530000	USD
CY2013Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	423470000	USD
CY2012Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	261986000	USD
CY2013Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	583667000	USD
CY2012Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	577910000	USD
CY2013Q4	us-gaap	Other Long Term Debt OtherLongTermDebt	14367000	USD
CY2012Q4	us-gaap	Other Long Term Debt OtherLongTermDebt	14454000	USD
CY2012Q4	us-gaap	Other Long Term Investments OtherLongTermInvestments	436234000	USD
CY2013Q4	us-gaap	Other Long Term Investments OtherLongTermInvestments	210616000	USD
CY2013	us-gaap	Other Noncash Expense OtherNoncashExpense	314505000	USD
CY2011	us-gaap	Other Noncash Expense OtherNoncashExpense	-604852000	USD
CY2012	us-gaap	Other Noncash Expense OtherNoncashExpense	-192131000	USD
CY2012	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-53214000	USD
CY2013	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-59762000	USD
CY2011	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-59271000	USD
CY2012Q4	us-gaap	Other Receivables OtherReceivables	161408000	USD
CY2013Q4	us-gaap	Other Receivables OtherReceivables	195028000	USD
CY2011	us-gaap	Payments For Capital Improvements PaymentsForCapitalImprovements	2040027000	USD
CY2012	us-gaap	Payments For Capital Improvements PaymentsForCapitalImprovements	2674650000	USD
CY2013	us-gaap	Payments For Capital Improvements PaymentsForCapitalImprovements	2287593000	USD
CY2013	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	82955000	USD
CY2011	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	11623000	USD
CY2012	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-15175000	USD
CY2011	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	234632000	USD
CY2013	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	USD
CY2012	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	USD
CY2013	us-gaap	Payments For Restructuring PaymentsForRestructuring	25000000	USD
CY2011	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	589605000	USD
CY2013	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	593037000	USD
CY2012	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	589209000	USD
CY2013	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	18802000	USD
CY2012	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	22329000	USD
CY2011	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	20933000	USD
CY2013	us-gaap	Payments To Acquire Other Property Plant And Equipment PaymentsToAcquireOtherPropertyPlantAndEquipment	17300000	USD
CY2012	us-gaap	Payments To Acquire Other Property Plant And Equipment PaymentsToAcquireOtherPropertyPlantAndEquipment	456356000	USD
CY2011	us-gaap	Payments To Acquire Other Property Plant And Equipment PaymentsToAcquireOtherPropertyPlantAndEquipment	646137000	USD
CY2013	us-gaap	Payments To Acquire Restricted Investments PaymentsToAcquireRestrictedInvestments	7716000	USD
CY2012	us-gaap	Payments To Acquire Restricted Investments PaymentsToAcquireRestrictedInvestments	8957000	USD
CY2011	us-gaap	Payments To Acquire Restricted Investments PaymentsToAcquireRestrictedInvestments	6425000	USD
CY2012	us-gaap	Payments To Invest In Decommissioning Fund PaymentsToInvestInDecommissioningFund	2196489000	USD
CY2011	us-gaap	Payments To Invest In Decommissioning Fund PaymentsToInvestInDecommissioningFund	1475017000	USD
CY2013	us-gaap	Payments To Invest In Decommissioning Fund PaymentsToInvestInDecommissioningFund	2147099000	USD
CY2012Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Current Liabilities PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities	95900000	USD
CY2013Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Current Liabilities PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities	67419000	USD
CY2012Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	3725886000	USD
CY2013Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	2320704000	USD
CY2012Q4	us-gaap	Prescription Drug Benefit Reduction In Accumulated Postretirement Benefit Obligation For Subsidy PrescriptionDrugBenefitReductionInAccumulatedPostretirementBenefitObligationForSubsidy	316600000	USD
CY2013Q4	us-gaap	Prescription Drug Benefit Reduction In Accumulated Postretirement Benefit Obligation For Subsidy PrescriptionDrugBenefitReductionInAccumulatedPostretirementBenefitObligationForSubsidy	53700000	USD
CY2013Q4	us-gaap	Prescription Drug Subsidy Receipts After Year Five PrescriptionDrugSubsidyReceiptsAfterYearFive	11725000	USD
CY2013Q4	us-gaap	Prescription Drug Subsidy Receipts Next Twelve Months PrescriptionDrugSubsidyReceiptsNextTwelveMonths	5372000	USD
CY2013Q4	us-gaap	Prescription Drug Subsidy Receipts Year Five1 PrescriptionDrugSubsidyReceiptsYearFive1	1769000	USD
CY2013Q4	us-gaap	Prescription Drug Subsidy Receipts Year Four1 PrescriptionDrugSubsidyReceiptsYearFour1	536000	USD
CY2013Q4	us-gaap	Prescription Drug Subsidy Receipts Year Three1 PrescriptionDrugSubsidyReceiptsYearThree1	478000	USD
CY2013Q4	us-gaap	Prescription Drug Subsidy Receipts Year Two1 PrescriptionDrugSubsidyReceiptsYearTwo1	426000	USD
CY2011	us-gaap	Proceeds From Decommissioning Fund ProceedsFromDecommissioningFund	1360346000	USD
CY2012	us-gaap	Proceeds From Decommissioning Fund ProceedsFromDecommissioningFund	2074055000	USD
CY2013	us-gaap	Proceeds From Decommissioning Fund ProceedsFromDecommissioningFund	2031552000	USD
CY2012	us-gaap	Proceeds From Dividends Received ProceedsFromDividendsReceived	439000000	USD
CY2011	us-gaap	Proceeds From Dividends Received ProceedsFromDividendsReceived	595000000	USD
CY2013	us-gaap	Proceeds From Dividends Received ProceedsFromDividendsReceived	702000000	USD
CY2011	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	2990881000	USD
CY2012	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	3478361000	USD
CY2013	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	3746016000	USD
CY2012	us-gaap	Proceeds From Issuance Of Preferred Limited Partners Units ProceedsFromIssuanceOfPreferredLimitedPartnersUnits	0	USD
CY2011	us-gaap	Proceeds From Issuance Of Preferred Limited Partners Units ProceedsFromIssuanceOfPreferredLimitedPartnersUnits	0	USD
CY2013	us-gaap	Proceeds From Issuance Of Preferred Limited Partners Units ProceedsFromIssuanceOfPreferredLimitedPartnersUnits	24249000	USD
CY2012	us-gaap	Proceeds From Issuance Of Redeemable Preferred Stock ProceedsFromIssuanceOfRedeemablePreferredStock	51000000	USD
CY2013	us-gaap	Proceeds From Issuance Of Redeemable Preferred Stock ProceedsFromIssuanceOfRedeemablePreferredStock	0	USD
CY2011	us-gaap	Proceeds From Issuance Of Redeemable Preferred Stock ProceedsFromIssuanceOfRedeemablePreferredStock	0	USD
CY2013	us-gaap	Proceeds From Issuance Or Sale Of Equity ProceedsFromIssuanceOrSaleOfEquity	24527000	USD
CY2012	us-gaap	Proceeds From Issuance Or Sale Of Equity ProceedsFromIssuanceOrSaleOfEquity	62886000	USD
CY2011	us-gaap	Proceeds From Issuance Or Sale Of Equity ProceedsFromIssuanceOrSaleOfEquity	46185000	USD
CY2011	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	1360000000	USD
CY2013	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	2032000000	USD
CY2012	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	2074000000	USD
CY2011	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	6531000	USD
CY2012	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	0	USD
CY2013	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	147922000	USD
CY2012	us-gaap	Proceeds From Sale Of Restricted Investments ProceedsFromSaleOfRestrictedInvestments	27884000	USD
CY2011	us-gaap	Proceeds From Sale Of Restricted Investments ProceedsFromSaleOfRestrictedInvestments	0	USD
CY2013	us-gaap	Proceeds From Sale Of Restricted Investments ProceedsFromSaleOfRestrictedInvestments	260279000	USD
CY2012	us-gaap	Profit Loss ProfitLoss	868363000	USD
CY2013	us-gaap	Profit Loss ProfitLoss	730572000	USD
CY2011	us-gaap	Profit Loss ProfitLoss	1367372000	USD
CY2012Q3	us-gaap	Profit Loss ProfitLoss	342670000	USD
CY2013Q4	us-gaap	Profit Loss ProfitLoss	151353000	USD
CY2012Q2	us-gaap	Profit Loss ProfitLoss	370583000	USD
CY2012Q4	us-gaap	Profit Loss ProfitLoss	301850000	USD
CY2013Q2	us-gaap	Profit Loss ProfitLoss	168055000	USD
CY2013Q3	us-gaap	Profit Loss ProfitLoss	244182000	USD
CY2012Q1	us-gaap	Profit Loss ProfitLoss	-146740000	USD
CY2013Q1	us-gaap	Profit Loss ProfitLoss	166982000	USD
CY2013Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	199375000	USD
CY2012Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	256039000	USD
CY2012	us-gaap	Provision For Other Losses ProvisionForOtherLosses	-24808000	USD
CY2011	us-gaap	Provision For Other Losses ProvisionForOtherLosses	-11086000	USD
CY2013	us-gaap	Provision For Other Losses ProvisionForOtherLosses	-248205000	USD
CY2012	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity	92759000	USD
CY2013	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity	66053000	USD
CY2011	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity	84305000	USD
CY2012	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Interest PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest	-37312000	USD
CY2013	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Interest PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest	-25500000	USD
CY2011	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Interest PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest	-37894000	USD
CY2012Q4	us-gaap	Public Utilities Property Plant And Equipment Accumulated Depreciation PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation	18898842000	USD
CY2013Q4	us-gaap	Public Utilities Property Plant And Equipment Accumulated Depreciation PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation	19443493000	USD
CY2013Q4	us-gaap	Public Utilities Property Plant And Equipment Construction Work In Progress PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress	1514857000	USD
CY2012Q4	us-gaap	Public Utilities Property Plant And Equipment Construction Work In Progress PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress	1365699000	USD
CY2012Q4	us-gaap	Public Utilities Property Plant And Equipment Distribution PublicUtilitiesPropertyPlantAndEquipmentDistribution	6561000000	USD
CY2013Q4	us-gaap	Public Utilities Property Plant And Equipment Distribution PublicUtilitiesPropertyPlantAndEquipmentDistribution	6716000000	USD
CY2013Q4	us-gaap	Public Utilities Property Plant And Equipment Net PublicUtilitiesPropertyPlantAndEquipmentNet	27881644000	USD
CY2012Q4	us-gaap	Public Utilities Property Plant And Equipment Net PublicUtilitiesPropertyPlantAndEquipmentNet	27298545000	USD
CY2012Q4	us-gaap	Public Utilities Property Plant And Equipment Other Property Plant And Equipment PublicUtilitiesPropertyPlantAndEquipmentOtherPropertyPlantAndEquipment	41944567000	USD
CY2013Q4	us-gaap	Public Utilities Property Plant And Equipment Other Property Plant And Equipment PublicUtilitiesPropertyPlantAndEquipmentOtherPropertyPlantAndEquipment	42935712000	USD
CY2013Q4	us-gaap	Public Utilities Property Plant And Equipment Plant In Service PublicUtilitiesPropertyPlantAndEquipmentPlantInService	47325137000	USD
CY2012Q4	us-gaap	Public Utilities Property Plant And Equipment Plant In Service PublicUtilitiesPropertyPlantAndEquipmentPlantInService	46197387000	USD
CY2012Q4	us-gaap	Public Utilities Property Plant And Equipment Transmission PublicUtilitiesPropertyPlantAndEquipmentTransmission	3654000000	USD
CY2013Q4	us-gaap	Public Utilities Property Plant And Equipment Transmission PublicUtilitiesPropertyPlantAndEquipmentTransmission	3929000000	USD
CY2013	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	7675000	USD
CY2013Q4	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	61040000	USD
CY2012Q4	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	25848000	USD
CY2012Q4	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	898614000	USD
CY2013Q4	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	1295955000	USD
CY2013	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	3814666000	USD
CY2011	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	2437372000	USD
CY2012	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	3130233000	USD
CY2012Q4	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	46040000	USD
CY2013Q4	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	45885000	USD
CY2013Q3	us-gaap	Restructuring And Related Cost Number Of Positions Eliminated RestructuringAndRelatedCostNumberOfPositionsEliminated	800	position
CY2013	us-gaap	Restructuring Charges RestructuringCharges	110000000	USD
CY2013Q4	us-gaap	Restructuring Reserve RestructuringReserve	39000000	USD
CY2013	us-gaap	Restructuring Reserve Settled Without Cash1 RestructuringReserveSettledWithoutCash1	46000000	USD
CY2013Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	9825053000	USD
CY2012Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	9704591000	USD
CY2012Q4	us-gaap	Securitized Regulatory Transition Assets Noncurrent SecuritizedRegulatoryTransitionAssetsNoncurrent	914751000	USD
CY2013Q4	us-gaap	Securitized Regulatory Transition Assets Noncurrent SecuritizedRegulatoryTransitionAssetsNoncurrent	822218000	USD
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Period1 ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1	P3Y
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.0420
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.0450
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.0475
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.2511
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.2461
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.2425
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0270
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0122
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0131
CY2013Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	8782153	shares
CY2013Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	81.32
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	39800000	USD
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	5700000	USD
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	29600000	USD
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod	68969	shares
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice	78.38
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	600700	shares
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	9.42
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	11.48
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	8.00
CY2013Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	0	USD
CY2013Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	9639849	shares
CY2012Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	9558346	shares
CY2013Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	80.06
CY2012Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	79.77
CY2013	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	53.69
CY2013	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	64.60
CY2013	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Lower Range Limit ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit	51
CY2013Q4	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Number Of Exercisable Options ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions	8782153	shares
CY2013Q4	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Number Of Outstanding Options ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions	9639849	shares
CY2013	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Upper Range Limit ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit	108.20
CY2013	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P6Y8M9D
CY2011	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P6Y7M21D
CY2012	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P6Y6M18D
CY2013Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	0	USD
CY2013	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P5Y2M12D
CY2013	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P4Y6M
CY2013Q4	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Exercisable Options Weighted Average Exercise Price1 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1	81.32
CY2013Q4	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Outstanding Options Weighted Average Exercise Price Beginning Balance1 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1	80.06
CY2013	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Outstanding Options Weighted Average Remaining Contractual Term2 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2	P4Y6M
CY2013Q4	us-gaap	Short Term Bank Loans And Notes Payable ShortTermBankLoansAndNotesPayable	1046887000	USD
CY2012Q4	us-gaap	Short Term Bank Loans And Notes Payable ShortTermBankLoansAndNotesPayable	796002000	USD
CY2013	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	450228	shares
CY2011	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	72183000	USD
CY2013	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	51156000	USD
CY2012	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	102819000	USD
CY2013Q4	us-gaap	Stockholders Equity StockholdersEquity	9632466000	USD
CY2012Q4	us-gaap	Stockholders Equity StockholdersEquity	9197089000	USD
CY2012Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	9291089000	USD
CY2013Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	9726466000	USD
CY2011Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	9055270000	USD
CY2010Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	8590400000	USD
CY2013	us-gaap	Tax Adjustments Settlements And Unusual Provisions TaxAdjustmentsSettlementsAndUnusualProvisions	0	USD
CY2012	us-gaap	Tax Adjustments Settlements And Unusual Provisions TaxAdjustmentsSettlementsAndUnusualProvisions	0	USD
CY2011	us-gaap	Tax Adjustments Settlements And Unusual Provisions TaxAdjustmentsSettlementsAndUnusualProvisions	-421819000	USD
CY2011	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	536026000	USD
CY2013	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	600350000	USD
CY2012	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	557298000	USD
CY2012Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	333719000	USD
CY2013Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	191093000	USD
CY2013Q4	us-gaap	Temporary Equity Carrying Amount Attributable To Parent TemporaryEquityCarryingAmountAttributableToParent	210760000	USD
CY2012Q4	us-gaap	Temporary Equity Carrying Amount Attributable To Parent TemporaryEquityCarryingAmountAttributableToParent	186511000	USD
CY2013Q4	us-gaap	Temporary Equity Carrying Amount Including Portion Attributable To Noncontrolling Interests TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests	304760000	USD
CY2012Q4	us-gaap	Temporary Equity Carrying Amount Including Portion Attributable To Noncontrolling Interests TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests	280511000	USD
CY2012Q4	us-gaap	Temporary Equity Shares Authorized TemporaryEquitySharesAuthorized	7115105	shares
CY2013Q4	us-gaap	Temporary Equity Shares Authorized TemporaryEquitySharesAuthorized	7365105	shares
CY2012Q4	us-gaap	Temporary Equity Shares Outstanding TemporaryEquitySharesOutstanding	5955105	shares
CY2013Q4	us-gaap	Temporary Equity Shares Outstanding TemporaryEquitySharesOutstanding	6205105	shares
CY2012Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	76945239	shares
CY2013Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	76381936	shares
CY2012Q4	us-gaap	Treasury Stock Value TreasuryStockValue	5574819000	USD
CY2013Q4	us-gaap	Treasury Stock Value TreasuryStockValue	5533942000	USD
CY2011	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	234632000	USD
CY2013	us-gaap	Unrealized Gain Loss On Cash Flow Hedging Instruments UnrealizedGainLossOnCashFlowHedgingInstruments	118000000	USD
CY2012Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	4170403000	USD
CY2011Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	4387780000	USD
CY2013Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	4593224000	USD
CY2010Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	4949788000	USD
CY2011	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	259895000	USD
CY2013	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	103360000	USD
CY2012	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	476873000	USD
CY2013	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	43620000	USD
CY2012	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	1421913000	USD
CY2011	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	841528000	USD
CY2013Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	96400000	USD
CY2011Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	99000000	USD
CY2012Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	146300000	USD
CY2011	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	211966000	USD
CY2013	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	162338000	USD
CY2012	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	163612000	USD
CY2013	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	410108000	USD
CY2011	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	332744000	USD
CY2012	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	1517797000	USD
CY2012	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	0	USD
CY2011	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	5295000	USD
CY2013	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	2645000	USD
CY2013Q4	us-gaap	Unrecognized Tax Benefits Resulting In Net Operating Loss Carryforward UnrecognizedTaxBenefitsResultingInNetOperatingLossCarryforward	4400498000	USD
CY2012Q4	us-gaap	Unrecognized Tax Benefits Resulting In Net Operating Loss Carryforward UnrecognizedTaxBenefitsResultingInNetOperatingLossCarryforward	4022535000	USD
CY2011Q4	us-gaap	Unrecognized Tax Benefits Resulting In Net Operating Loss Carryforward UnrecognizedTaxBenefitsResultingInNetOperatingLossCarryforward	3212397000	USD
CY2012Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	203000000	USD
CY2011Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	521000000	USD
CY2013Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	176000000	USD
CY2013	us-gaap	Use Of Estimates UseOfEstimates	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;text-align:justify;font-size:11pt;"><font style="font-family:inherit;font-size:11pt;font-weight:bold;text-decoration:underline;">Use of Estimates in the Preparation of Financial Statements</font></div><div style="line-height:120%;font-size:11pt;"><font style="font-family:inherit;font-size:11pt;"><br clear="none"/></font></div><div style="line-height:120%;text-align:justify;text-indent:48px;font-size:11pt;"><font style="font-family:inherit;font-size:11pt;">In conformity with generally accepted accounting principles in the United States of America, the preparation of Entergy Corporation’s consolidated financial statements and the separate financial statements of the Registrant Subsidiaries requires management to make estimates and assumptions that affect the reported amounts of assets, liabilities, revenues, and expenses and the disclosure of contingent assets and liabilities.  Adjustments to the reported amounts of assets and liabilities may be necessary in the future to the extent that future estimates or actual results are different from the estimates used.</font></div></div>
CY2013	us-gaap	Utilities Operating Expense Fuel Used UtilitiesOperatingExpenseFuelUsed	2445818000	USD
CY2011	us-gaap	Utilities Operating Expense Fuel Used UtilitiesOperatingExpenseFuelUsed	2492714000	USD
CY2012	us-gaap	Utilities Operating Expense Fuel Used UtilitiesOperatingExpenseFuelUsed	2036835000	USD
CY2011	us-gaap	Utilities Operating Expense Maintenance And Operations UtilitiesOperatingExpenseMaintenanceAndOperations	2867758000	USD
CY2012	us-gaap	Utilities Operating Expense Maintenance And Operations UtilitiesOperatingExpenseMaintenanceAndOperations	3045392000	USD
CY2013	us-gaap	Utilities Operating Expense Maintenance And Operations UtilitiesOperatingExpenseMaintenanceAndOperations	3331934000	USD
CY2013	us-gaap	Utility Revenue UtilityRevenue	11390947000	USD
CY2011	us-gaap	Utility Revenue UtilityRevenue	11229073000	USD
CY2012	us-gaap	Utility Revenue UtilityRevenue	10302079000	USD
CY2013Q2	us-gaap	Utility Revenue UtilityRevenue	2738208000	USD
CY2012Q3	us-gaap	Utility Revenue UtilityRevenue	2963560000	USD
CY2012Q2	us-gaap	Utility Revenue UtilityRevenue	2518600000	USD
CY2013Q4	us-gaap	Utility Revenue UtilityRevenue	2691906000	USD
CY2012Q4	us-gaap	Utility Revenue UtilityRevenue	2436260000	USD
CY2013Q1	us-gaap	Utility Revenue UtilityRevenue	2608874000	USD
CY2013Q3	us-gaap	Utility Revenue UtilityRevenue	3351959000	USD
CY2012Q1	us-gaap	Utility Revenue UtilityRevenue	2383659000	USD
CY2012	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	177737565	shares
CY2013	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	178570400	shares
CY2011	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	178370695	shares
CY2011	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	177430208	shares
CY2013	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	178211192	shares
CY2012	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	177324813	shares
CY2013	etr	Accelerationof Prior Service Cost Dueto Curtailment Before Tax AccelerationofPriorServiceCostDuetoCurtailmentBeforeTax	315000	USD
CY2013Q4	etr	Accrued Unbilled Revenues AccruedUnbilledRevenues	340828000	USD
CY2012Q4	etr	Accrued Unbilled Revenues AccruedUnbilledRevenues	303392000	USD
CY2013	etr	Additional Damage Coverage For Terrorist Event AdditionalDamageCoverageForTerroristEvent	100000000000	USD
CY2012Q1	etr	After Tax Asset Impairment Charge AfterTaxAssetImpairmentCharge	223500000	USD
CY2012	etr	After Tax Asset Impairment Charge AfterTaxAssetImpairmentCharge	223500000	USD
CY2013	etr	After Tax Asset Impairment Charge AfterTaxAssetImpairmentCharge	202200000	USD
CY2013	etr	Amortization Of Gains Losses Before Tax AmortizationOfGainsLossesBeforeTax	-68130000	USD
CY2013	etr	Amortization Of Prior Service Cost Credit Before Tax AmortizationOfPriorServiceCostCreditBeforeTax	-10556000	USD
CY2013	etr	Amount Of Additional Insurance Coverage Per Occurrence AmountOfAdditionalInsuranceCoveragePerOccurrence	20000000	USD
CY2013	etr	Ani Combined With Secondary Financial Protection Coverage AniCombinedWithSecondaryFinancialProtectionCoverage	13600000000	USD
CY2013	etr	Authorization Of Repurchase Of Common Stock AuthorizationOfRepurchaseOfCommonStock	350000000	USD
CY2010Q4	etr	Authorization Of Repurchase Of Common Stock AuthorizationOfRepurchaseOfCommonStock	500000000	USD
CY2013Q4	etr	Available For Sale Securities Debt Maturities After Fifteen To Twenty Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFifteenToTwentyYearsFairValue	52000000	USD
CY2012Q4	etr	Available For Sale Securities Debt Maturities After Fifteen To Twenty Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFifteenToTwentyYearsFairValue	61000000	USD
CY2012Q4	etr	Available For Sale Securities Debt Maturities After Ten To Fifteen Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenToFifteenYearsFairValue	164000000	USD
CY2013Q4	etr	Available For Sale Securities Debt Maturities After Ten To Fifteen Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenToFifteenYearsFairValue	169000000	USD
CY2012Q4	etr	Available For Sale Securities Debt Maturities After Twenty Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTwentyYearsFairValue	210000000	USD
CY2013Q4	etr	Available For Sale Securities Debt Maturities After Twenty Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTwentyYearsFairValue	154000000	USD
CY2013Q4	etr	Average Coupon Rate Of Debt Securities Percentage AverageCouponRateOfDebtSecuritiesPercentage	0.0343
CY2013Q4	etr	Average Duration Of Debt Securities In Years AverageDurationOfDebtSecuritiesInYears	P4Y11M23D
CY2013Q4	etr	Average Maturity Of Debt Securities In Years AverageMaturityOfDebtSecuritiesInYears	P7Y6M4D
CY2012Q1	etr	Carrying Value Of Nuclear Plant CarryingValueOfNuclearPlant	517500000	USD
CY2013	etr	Cash Collateral Requirement CashCollateralRequirement	47000000	USD
CY2011Q4	etr	Cash Paid To Taxing Authorities CashPaidToTaxingAuthorities	363266000	USD
CY2013Q4	etr	Cash Paid To Taxing Authorities CashPaidToTaxingAuthorities	0	USD
CY2012Q4	etr	Cash Paid To Taxing Authorities CashPaidToTaxingAuthorities	0	USD
CY2011	etr	Changes In Credit Line Borrowings Net ChangesInCreditLineBorrowingsNet	6501000	USD
CY2012	etr	Changes In Credit Line Borrowings Net ChangesInCreditLineBorrowingsNet	-687675000	USD
CY2013	etr	Changes In Credit Line Borrowings Net ChangesInCreditLineBorrowingsNet	-250889000	USD
CY2011	etr	Changes In Transition Charge Account ChangesInTransitionChargeAccount	-7260000	USD
CY2013	etr	Changes In Transition Charge Account ChangesInTransitionChargeAccount	155000	USD
CY2012	etr	Changes In Transition Charge Account ChangesInTransitionChargeAccount	4265000	USD
CY2012Q4	etr	Commercial Paper Program Limit CommercialPaperProgramLimit	1500000000.0	USD
CY2013Q4	etr	Commerical Paper Amount Outstanding CommericalPaperAmountOutstanding	1045000000	USD
CY2013	etr	Consolidated Debt Ratio Of Lessees Total Capitalization ConsolidatedDebtRatioOfLesseesTotalCapitalization	0.7
CY2013	etr	Conventional Property Insurance Minimum Value Of Assets Covered ConventionalPropertyInsuranceMinimumValueOfAssetsCovered	5000000	USD
CY2013Q4	etr	Deferred Fuel Costs DeferredFuelCosts	172202000	USD
CY2012Q4	etr	Deferred Fuel Costs DeferredFuelCosts	172202000	USD
CY2013Q4	etr	Deferred Fuel Costs Current Liabilities DeferredFuelCostsCurrentLiabilities	57631000	USD
CY2012Q4	etr	Deferred Fuel Costs Current Liabilities DeferredFuelCostsCurrentLiabilities	96439000	USD
CY2011	etr	Deferred Income Tax Expense Benefit And Non Current Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefitAndNonCurrentIncomeTaxExpenseBenefit	-311708000	USD
CY2012	etr	Deferred Income Tax Expense Benefit And Non Current Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefitAndNonCurrentIncomeTaxExpenseBenefit	131130000	USD
CY2013	etr	Deferred Income Tax Expense Benefit And Non Current Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefitAndNonCurrentIncomeTaxExpenseBenefit	126935000	USD
CY2013Q4	etr	Deferred Nuclear Refueling Outage Costs DeferredNuclearRefuelingOutageCosts	192474000	USD
CY2012Q4	etr	Deferred Nuclear Refueling Outage Costs DeferredNuclearRefuelingOutageCosts	243374000	USD
CY2013Q4	etr	Deferred Tax Assets Compensation DeferredTaxAssetsCompensation	125552000	USD
CY2012Q4	etr	Deferred Tax Assets Compensation DeferredTaxAssetsCompensation	53388000	USD
CY2012Q4	etr	Deferred Tax Assets Power Purchase Arrangements DeferredTaxAssetsPowerPurchaseArrangements	43717000	USD
CY2013Q4	etr	Deferred Tax Assets Power Purchase Arrangements DeferredTaxAssetsPowerPurchaseArrangements	0	USD
CY2012Q4	etr	Deferred Tax Liabilities Combined Unitary State Taxes DeferredTaxLiabilitiesCombinedUnitaryStateTaxes	233210000	USD
CY2013Q4	etr	Deferred Tax Liabilities Combined Unitary State Taxes DeferredTaxLiabilitiesCombinedUnitaryStateTaxes	183934000	USD
CY2012Q4	etr	Deferred Tax Liabilities Nuclear Decommissioning Trusts DeferredTaxLiabilitiesNuclearDecommissioningTrusts	848918000	USD
CY2013Q4	etr	Deferred Tax Liabilities Nuclear Decommissioning Trusts DeferredTaxLiabilitiesNuclearDecommissioningTrusts	1100439000	USD
CY2012Q4	etr	Deferred Tax Liabilities Power Purchase Arrangements DeferredTaxLiabilitiesPowerPurchaseArrangements	0	USD
CY2013Q4	etr	Deferred Tax Liabilities Power Purchase Arrangements DeferredTaxLiabilitiesPowerPurchaseArrangements	8096000	USD
CY2013Q4	etr	Deferred Tax Liability Tax Deferred Expense Compensationand Benefits Pensions DeferredTaxLiabilityTaxDeferredExpenseCompensationandBenefitsPensions	299951000	USD
CY2012Q4	etr	Deferred Tax Liability Tax Deferred Expense Compensationand Benefits Pensions DeferredTaxLiabilityTaxDeferredExpenseCompensationandBenefitsPensions	305676000	USD
CY2013	etr	Depreciation Rate On Average Depreciable Property DepreciationRateOnAverageDepreciableProperty	0.026
CY2012	etr	Depreciation Rate On Average Depreciable Property DepreciationRateOnAverageDepreciableProperty	0.025
CY2011	etr	Depreciation Rate On Average Depreciable Property DepreciationRateOnAverageDepreciableProperty	0.026
CY2011	etr	Depreciation Rates On Average Depreciable Non Utility Property DepreciationRatesOnAverageDepreciableNonUtilityProperty	0.039
CY2012	etr	Depreciation Rates On Average Depreciable Non Utility Property DepreciationRatesOnAverageDepreciableNonUtilityProperty	0.035
CY2013	etr	Depreciation Rates On Average Depreciable Non Utility Property DepreciationRatesOnAverageDepreciableNonUtilityProperty	0.041
CY2011	etr	Depreciation Rates On Average Depreciable Utility Property DepreciationRatesOnAverageDepreciableUtilityProperty	0.025
CY2012	etr	Depreciation Rates On Average Depreciable Utility Property DepreciationRatesOnAverageDepreciableUtilityProperty	0.024
CY2013	etr	Depreciation Rates On Average Depreciable Utility Property DepreciationRatesOnAverageDepreciableUtilityProperty	0.025
CY2013	etr	Derivative Instruments Gain Loss Reclassified From Accumulated Oci Into Income Effective Portion Tax DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionTax	18000000	USD
CY2011	etr	Derivative Instruments Gain Loss Reclassified From Accumulated Oci Into Income Effective Portion Tax DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionTax	59000000	USD
CY2012	etr	Derivative Instruments Gain Loss Reclassified From Accumulated Oci Into Income Effective Portion Tax DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionTax	94000000	USD
CY2013Q4	etr	Effect Of Significant Unobservable Inputs On Fair Value Of Electricity Options EffectOfSignificantUnobservableInputsOnFairValueOfElectricityOptions	26000000	USD
CY2013Q4	etr	Effect Of Significant Unobservable Inputs On Fair Value Of Electricity Swaps EffectOfSignificantUnobservableInputsOnFairValueOfElectricitySwaps	-5000000	USD
CY2011	etr	Equity Component Of Allowance For Funds Used During Construction EquityComponentOfAllowanceForFundsUsedDuringConstruction	30184000	USD
CY2013	etr	Equity Component Of Allowance For Funds Used During Construction EquityComponentOfAllowanceForFundsUsedDuringConstruction	22356000	USD
CY2012	etr	Equity Component Of Allowance For Funds Used During Construction EquityComponentOfAllowanceForFundsUsedDuringConstruction	30838000	USD
CY2012Q1	etr	Estimated Fair Value Of Nuclear Plant EstimatedFairValueOfNuclearPlant	162000000	USD
CY2012	etr	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset And Liabilities Purchases Sales Issuances Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetAndLiabilitiesPurchasesSalesIssuancesSettlements	-268000000	USD
CY2011	etr	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset And Liabilities Purchases Sales Issuances Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetAndLiabilitiesPurchasesSalesIssuancesSettlements	-168000000	USD
CY2013	etr	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset And Liabilities Purchases Sales Issuances Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetAndLiabilitiesPurchasesSalesIssuancesSettlements	-50000000	USD
CY2012Q4	etr	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset And Liabilities Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetAndLiabilitiesValue	178000000	USD
CY2013Q4	etr	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset And Liabilities Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetAndLiabilitiesValue	-98000000	USD
CY2011Q4	etr	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset And Liabilities Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetAndLiabilitiesValue	312000000	USD
CY2010Q4	etr	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset And Liabilities Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetAndLiabilitiesValue	197000000	USD
CY2011	etr	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset And Liability Unrealized Gain Loss Included In Other Comprehensive Income FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetAndLiabilityUnrealizedGainLossIncludedInOtherComprehensiveIncome	275000000	USD
CY2013	etr	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset And Liability Unrealized Gain Loss Included In Other Comprehensive Income FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetAndLiabilityUnrealizedGainLossIncludedInOtherComprehensiveIncome	-204000000	USD
CY2012	etr	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset And Liability Unrealized Gain Loss Included In Other Comprehensive Income FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetAndLiabilityUnrealizedGainLossIncludedInOtherComprehensiveIncome	140000000	USD
CY2012	etr	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Assetand Liability Realized Gain Loss Included In Earnings FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetandLiabilityRealizedGainLossIncludedInEarnings	-11000000	USD
CY2013	etr	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Assetand Liability Realized Gain Loss Included In Earnings FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetandLiabilityRealizedGainLossIncludedInEarnings	-38000000	USD
CY2011	etr	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Assetand Liability Realized Gain Loss Included In Earnings FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetandLiabilityRealizedGainLossIncludedInEarnings	-13000000	USD
CY2013	etr	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Assetand Liability Unrealized Gains Loss Includedin Earnings FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetandLiabilityUnrealizedGainsLossIncludedinEarnings	-35000000	USD
CY2011	etr	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Assetand Liability Unrealized Gains Loss Includedin Earnings FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetandLiabilityUnrealizedGainsLossIncludedinEarnings	6000000	USD
CY2012	etr	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Assetand Liability Unrealized Gains Loss Includedin Earnings FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetandLiabilityUnrealizedGainsLossIncludedinEarnings	-4000000	USD
CY2012	etr	Fair Value Measurementwith Unobservable Inputs Reconciliation Recurring Basis Assetand Liability Purchases FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisAssetandLiabilityPurchases	9000000	USD
CY2011	etr	Fair Value Measurementwith Unobservable Inputs Reconciliation Recurring Basis Assetand Liability Purchases FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisAssetandLiabilityPurchases	15000000	USD
CY2013	etr	Fair Value Measurementwith Unobservable Inputs Reconciliation Recurring Basis Assetand Liability Purchases FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisAssetandLiabilityPurchases	14000000	USD
CY2013Q4	etr	Fair Value Of Electricity Options FairValueOfElectricityOptions	26000000	USD
CY2013Q4	etr	Fair Value Of Electricity Swaps FairValueOfElectricitySwaps	-159000000	USD
CY2013Q4	etr	Fuel Inventory At Average Cost FuelInventoryAtAverageCost	208958000	USD
CY2012Q4	etr	Fuel Inventory At Average Cost FuelInventoryAtAverageCost	213831000	USD
CY2013	etr	Gain Recognized For Income Tax Purpose On Formation Of Wholly Owned Subsidiary GainRecognizedForIncomeTaxPurposeOnFormationOfWhollyOwnedSubsidiary	1030000000	USD
CY2012Q4	etr	Hedge Contracts In Liability Position HedgeContractsInLiabilityPosition	2000000	USD
CY2013Q4	etr	Hedge Contracts In Liability Position HedgeContractsInLiabilityPosition	187000000	USD
CY2011	etr	Income Income Tax Reconciliation Capital Gains Lossese Tax Reconciliation Capital Gains Losses IncomeIncomeTaxReconciliationCapitalGainsLosseseTaxReconciliationCapitalGainsLosses	0	USD
CY2013	etr	Income Income Tax Reconciliation Capital Gains Lossese Tax Reconciliation Capital Gains Losses IncomeIncomeTaxReconciliationCapitalGainsLosseseTaxReconciliationCapitalGainsLosses	0	USD
CY2012	etr	Income Income Tax Reconciliation Capital Gains Lossese Tax Reconciliation Capital Gains Losses IncomeIncomeTaxReconciliationCapitalGainsLosseseTaxReconciliationCapitalGainsLosses	20188000	USD
CY2013	etr	Income Recognized For Tax Purpose Under Wholesale Electric Power Purchase Agreements IncomeRecognizedForTaxPurposeUnderWholesaleElectricPowerPurchaseAgreements	1500000000	USD
CY2012	etr	Income Reconciliation Internal Revenue Service Decommissioning Settlement IncomeReconciliationInternalRevenueServiceDecommissioningSettlement	-155300000	USD
CY2013	etr	Income Reconciliation Internal Revenue Service Decommissioning Settlement IncomeReconciliationInternalRevenueServiceDecommissioningSettlement	0	USD
CY2011	etr	Income Reconciliation Internal Revenue Service Decommissioning Settlement IncomeReconciliationInternalRevenueServiceDecommissioningSettlement	0	USD
CY2012Q2	etr	Income Tax Benefit Resulting From Act55 Financing Settlement IncomeTaxBenefitResultingFromAct55FinancingSettlement	172000000	USD
CY2011	etr	Income Tax Reconciliation Amortization Of Investment Tax Credits IncomeTaxReconciliationAmortizationOfInvestmentTaxCredits	14962000	USD
CY2012	etr	Income Tax Reconciliation Amortization Of Investment Tax Credits IncomeTaxReconciliationAmortizationOfInvestmentTaxCredits	14000000	USD
CY2013	etr	Income Tax Reconciliation Amortization Of Investment Tax Credits IncomeTaxReconciliationAmortizationOfInvestmentTaxCredits	13535000	USD
CY2013	etr	Income Tax Reconciliation Flow Through Permanent Differences IncomeTaxReconciliationFlowThroughPermanentDifferences	301000	USD
CY2012	etr	Income Tax Reconciliation Flow Through Permanent Differences IncomeTaxReconciliationFlowThroughPermanentDifferences	14801000	USD
CY2011	etr	Income Tax Reconciliation Flow Through Permanent Differences IncomeTaxReconciliationFlowThroughPermanentDifferences	17848000	USD
CY2013	etr	Income Tax Reconciliation Provision For Uncertain Tax Positions IncomeTaxReconciliationProvisionForUncertainTaxPositions	59249000	USD
CY2012	etr	Income Tax Reconciliation Provision For Uncertain Tax Positions IncomeTaxReconciliationProvisionForUncertainTaxPositions	159957000	USD
CY2011	etr	Income Tax Reconciliation Provision For Uncertain Tax Positions IncomeTaxReconciliationProvisionForUncertainTaxPositions	-2698000	USD
CY2013	etr	Income Tax Reconciliation Regulatory Differences Utility Plant Items IncomeTaxReconciliationRegulatoryDifferencesUtilityPlantItems	32324000	USD
CY2011	etr	Income Tax Reconciliation Regulatory Differences Utility Plant Items IncomeTaxReconciliationRegulatoryDifferencesUtilityPlantItems	39970000	USD
CY2011	etr	Issuanceof Fixed Transmission Rights IssuanceofFixedTransmissionRights	0	USD
CY2012	etr	Income Tax Reconciliation Regulatory Differences Utility Plant Items IncomeTaxReconciliationRegulatoryDifferencesUtilityPlantItems	35527000	USD
CY2011	etr	Increase Decrease In Decommissioning Liability Asset Retirement Obligation IncreaseDecreaseInDecommissioningLiabilityAssetRetirementObligation	190595000	USD
CY2013	etr	Increase Decrease In Decommissioning Liability Asset Retirement Obligation IncreaseDecreaseInDecommissioningLiabilityAssetRetirementObligation	242104000	USD
CY2012	etr	Increase Decrease In Decommissioning Liability Asset Retirement Obligation IncreaseDecreaseInDecommissioningLiabilityAssetRetirementObligation	184760000	USD
CY2013Q3	etr	Increase Decrease In Income Tax Deduction Repairs And Maintenance IncreaseDecreaseInIncomeTaxDeductionRepairsAndMaintenance	-348000000	USD
CY2013Q4	etr	Insurance Coverage For Public Liability InsuranceCoverageForPublicLiability	375000000	USD
CY2013	etr	Issuance Of Letters Of Credit Percentage Of Total Borrowing Capacity IssuanceOfLettersOfCreditPercentageOfTotalBorrowingCapacity	0.5
CY2012	etr	Issuanceof Fixed Transmission Rights IssuanceofFixedTransmissionRights	0	USD
CY2013	etr	Issuanceof Fixed Transmission Rights IssuanceofFixedTransmissionRights	37000000	USD
CY2013Q4	etr	Letters Of Credit LettersOfCredit	8000000	USD
CY2013	etr	Limit Above Which Incremental Revenue Shared Between Rate Payers And Share Holders LimitAboveWhichIncrementalRevenueSharedBetweenRatePayersAndShareHolders	0.046
CY2013	etr	Line Of Credit Facility Commitment Fee As Percentage Of Undrawn Commitment Amount LineOfCreditFacilityCommitmentFeeAsPercentageOfUndrawnCommitmentAmount	0.00125
CY2013Q4	etr	Lineof Credit Facility Future Maximum Borrowing Capacity LineofCreditFacilityFutureMaximumBorrowingCapacity	3490000000	USD
CY2011	etr	Litigation Proceeds For Reimbursement Of Spent Nuclear Fuel Storage Costs LitigationProceedsForReimbursementOfSpentNuclearFuelStorageCosts	0	USD
CY2012	etr	Litigation Proceeds For Reimbursement Of Spent Nuclear Fuel Storage Costs LitigationProceedsForReimbursementOfSpentNuclearFuelStorageCosts	109105000	USD
CY2013	etr	Litigation Proceeds For Reimbursement Of Spent Nuclear Fuel Storage Costs LitigationProceedsForReimbursementOfSpentNuclearFuelStorageCosts	21034000	USD
CY2013	etr	Mandatory Employee Contribution Period Under Retirement Plan MandatoryEmployeeContributionPeriodUnderRetirementPlan	P10Y
CY2013	etr	Maximum Recovery Nuclear Insurance Policies For Property Damage Caused By Terrorist Act MaximumRecoveryNuclearInsurancePoliciesForPropertyDamageCausedByTerroristAct	3240000000	USD
CY2013Q4	etr	Maximum Retrospective Insurance Premium Obligation Excluding Surcharge Per Reactor Per Incident MaximumRetrospectiveInsurancePremiumObligationExcludingSurchargePerReactorPerIncident	121300000	USD
CY2013Q4	etr	Maximum Retrospective Insurance Premium Obligation Per Reactor Per Incident MaximumRetrospectiveInsurancePremiumObligationPerReactorPerIncident	127300000	USD
CY2013	etr	Medicare Subsidies For Prescription Drug Claims Received MedicareSubsidiesForPrescriptionDrugClaimsReceived	3300000	USD
CY2013	etr	Minimum Percentage Of Adjusted Capitalization To Be Maintained As Total Equity Capital MinimumPercentageOfAdjustedCapitalizationToBeMaintainedAsTotalEquityCapital	0.3
CY2013Q4	etr	Natural Gas NaturalGas	366365000	USD
CY2012Q4	etr	Natural Gas NaturalGas	353492000	USD
CY2012	etr	Nuclear Fuel Purchases NuclearFuelPurchases	557960000	USD
CY2013	etr	Nuclear Fuel Purchases NuclearFuelPurchases	517825000	USD
CY2011	etr	Nuclear Fuel Purchases NuclearFuelPurchases	641493000	USD
CY2013	etr	Nuclear Refueling Outage Expenses NuclearRefuelingOutageExpenses	256801000	USD
CY2012	etr	Nuclear Refueling Outage Expenses NuclearRefuelingOutageExpenses	245600000	USD
CY2011	etr	Nuclear Refueling Outage Expenses NuclearRefuelingOutageExpenses	255618000	USD
CY2013	etr	Number Of Equity Ownership Plans NumberOfEquityOwnershipPlans	2	plan
CY2013	etr	Number Of Nuclear Power Plants NumberOfNuclearPowerPlants	6	plant
CY2013	etr	Number Of Nuclear Reactor Included In Secondary Financial Protection Program NumberOfNuclearReactorIncludedInSecondaryFinancialProtectionProgram	104	reactor
CY2013	etr	Numberof Financial Protection Programs NumberofFinancialProtectionPrograms	2	program
CY2013	etr	Numberof Hedge Contracts Counterparties NumberofHedgeContractsCounterparties	9	counterparty
CY2012	etr	Numberof Hedge Contracts Counterparties NumberofHedgeContractsCounterparties	2	counterparty
CY2011Q4	etr	Numberof Issues D.C.Circuit Orderedto Remand NumberofIssuesD.C.CircuitOrderedtoRemand	2	issue
CY2013Q4	etr	Numberof Orders Issuedby Ferc NumberofOrdersIssuedbyFERC	2	order
CY2012Q4	etr	Numberof Subsidiaries Transferred Between Segments NumberofSubsidiariesTransferredBetweenSegments	2	subsidiary
CY2011	etr	Nypa Value Sharing Payment NypaValueSharingPayment	-72000000	USD
CY2013	etr	Nypa Value Sharing Payment NypaValueSharingPayment	-71736000	USD
CY2012	etr	Nypa Value Sharing Payment NypaValueSharingPayment	-72000000	USD
CY2013Q4	etr	Other Regulatory Assets OtherRegulatoryAssets	3893363000	USD
CY2012Q4	etr	Other Regulatory Assets OtherRegulatoryAssets	5025912000	USD
CY2013	etr	Other Regulatory Charges Credits Net OtherRegulatoryChargesCreditsNet	45597000	USD
CY2011	etr	Other Regulatory Charges Credits Net OtherRegulatoryChargesCreditsNet	205959000	USD
CY2012	etr	Other Regulatory Charges Credits Net OtherRegulatoryChargesCreditsNet	175104000	USD
CY2013	etr	Other Regulatory Liabilities OtherRegulatoryLiabilities	397341000	USD
CY2012	etr	Other Regulatory Liabilities OtherRegulatoryLiabilities	170421000	USD
CY2011	etr	Other Regulatory Liabilities OtherRegulatoryLiabilities	189167000	USD
CY2013	etr	Ownership Percentage By Non Affiliated Company In Variable Interest Entity OwnershipPercentageByNonAffiliatedCompanyInVariableInterestEntity	0.10
CY2013	etr	Pension And Other Postretirement Liabilities PensionAndOtherPostretirementLiabilities	-302489000	USD
CY2011	etr	Pension And Other Postretirement Liabilities PensionAndOtherPostretirementLiabilities	223090000	USD
CY2012	etr	Pension And Other Postretirement Liabilities PensionAndOtherPostretirementLiabilities	91157000	USD
CY2013	etr	Pensionand Other Postretirement Costs Reclassification Out Of Accumulated Other Comprehensive Income Before Tax PensionandOtherPostretirementCostsReclassificationOutOfAccumulatedOtherComprehensiveIncomeBeforeTax	-68871000	USD
CY2013	etr	Percentage Of After Tax Net Profit To Be Retained By Executive Officer To Achieve Ownership Position PercentageOfAfterTaxNetProfitToBeRetainedByExecutiveOfficerToAchieveOwnershipPosition	0.75
CY2013	etr	Period Of Additional Liability Related With Purchase Agreement PeriodOfAdditionalLiabilityRelatedWithPurchaseAgreement	P10Y
CY2012Q2	etr	Periodafter Issuanceof Ferc Orderto Filea Comprehensive Bandwidth Recalculation Report PeriodafterIssuanceofFERCOrdertoFileaComprehensiveBandwidthRecalculationReport	P45D
CY2008Q2	etr	Periodof Prohibited Refunds PeriodofProhibitedRefunds	P20M
CY2011Q4	etr	Periodto File Briefs PeriodtoFileBriefs	P30D
CY2012Q4	etr	Periodto File Motions PeriodtoFileMotions	P30D
CY2011Q4	etr	Periodto File Reply Briefs PeriodtoFileReplyBriefs	P21D
CY2013Q4	etr	Planned Generation From Non Nuclear Power Plants Sold Forward Under Financial Derivatives PlannedGenerationFromNonNuclearPowerPlantsSoldForwardUnderFinancialDerivatives	0.62
CY2013	etr	Planned Generation Under Normal Purchase Sold Under Financial Derivatives PlannedGenerationUnderNormalPurchaseSoldUnderFinancialDerivatives	39000000	MWh
CY2013	etr	Plannedgenerationsoldforwardfromnonutilitynuclearpowerplantsinthenexttwelvemonths Plannedgenerationsoldforwardfromnonutilitynuclearpowerplantsinthenexttwelvemonths	0.74
CY2013	etr	Portion Of Interest Of River Bend Plant Costs Generation Revenues And Expenses Operating Louisiana Retail Deregulated Portion Of River Bend PortionOfInterestOfRiverBendPlantCostsGenerationRevenuesAndExpensesOperatingLouisianaRetailDeregulatedPortionOfRiverBend	0.15
CY2013	etr	Potential Cost For Entergy Arkansas For Years20032004 And2006 Based On Intra System Bills PotentialCostForEntergyArkansasForYears20032004And2006BasedOnIntraSystemBills	12000000	USD
CY2007	etr	Preferred Shares Purchased By Subsidiary From Other Shareholders PreferredSharesPurchasedBySubsidiaryFromOtherShareholders	160000	shares
CY2013Q4	etr	Present Value Of Difference Between Stipulated Contract Amount For Decommissioning Plants Less Decommissioning Cost PresentValueOfDifferenceBetweenStipulatedContractAmountForDecommissioningPlantsLessDecommissioningCost	572600000	USD
CY2012Q4	etr	Public Utilities Property Plant And Equipment Nuclear Fuel Leased And Owned PublicUtilitiesPropertyPlantAndEquipmentNuclearFuelLeasedAndOwned	1598000000	USD
CY2011	etr	Proceeds From Sale Leaseback Of Nuclear Fuel ProceedsFromSaleLeasebackOfNuclearFuel	0	USD
CY2013	etr	Property Insurance Minimum Requirement Per Site For Nuclear Power Plant Licensees PropertyInsuranceMinimumRequirementPerSiteForNuclearPowerPlantLicensees	1060000000	USD
CY2013Q4	etr	Public Utilities Property Plant And Equipment Nuclear Fuel Leased And Owned PublicUtilitiesPropertyPlantAndEquipmentNuclearFuelLeasedAndOwned	1567000000	USD
CY2012Q4	etr	Public Utilities Property Plant And Equipment Other PublicUtilitiesPropertyPlantAndEquipmentOther	1654000000	USD
CY2013Q4	etr	Public Utilities Property Plant And Equipment Other PublicUtilitiesPropertyPlantAndEquipmentOther	1652000000	USD
CY2013	etr	Purchase Of Terrorism Insurance Coverage PurchaseOfTerrorismInsuranceCoverage	300000000	USD
CY2013Q4	etr	Range From Average Percentage For Electricity Options RangeFromAveragePercentageForElectricityOptions	0.79
CY2013Q4	etr	Range From Average Percentage For Fair Value Of Electricity Swaps RangeFromAveragePercentageForFairValueOfElectricitySwaps	0.03
CY2013Q4	etr	Rate Of Maximum Retrospective Premium Per Year Per Nuclear Power Reactor RateOfMaximumRetrospectivePremiumPerYearPerNuclearPowerReactor	19000000	USD
CY2013	etr	Recognized Net Gain Loss Due To Settlements Before Tax RecognizedNetGainLossDueToSettlementsBeforeTax	-11612000	USD
CY2012	etr	Redemption Of Subsidiary Common And Preferred Stock RedemptionOfSubsidiaryCommonAndPreferredStock	0	USD
CY2011	etr	Redemption Of Subsidiary Common And Preferred Stock RedemptionOfSubsidiaryCommonAndPreferredStock	30308000	USD
CY2013	etr	Redemption Of Subsidiary Common And Preferred Stock RedemptionOfSubsidiaryCommonAndPreferredStock	0	USD
CY2013	etr	Reduction In Net Operating Loss Carryover ReductionInNetOperatingLossCarryover	2500000000	USD
CY2011	etr	Reduction In Other Postretirement Benefit Cost ReductionInOtherPostretirementBenefitCost	33000000	USD
CY2012	etr	Reduction In Other Postretirement Benefit Cost ReductionInOtherPostretirementBenefitCost	31200000	USD
CY2013	etr	Reduction In Other Postretirement Benefit Cost ReductionInOtherPostretirementBenefitCost	25400000	USD
CY2012Q2	etr	Refund To Customers Including Interest RefundToCustomersIncludingInterest	30600000	USD
CY2013Q1	etr	Refund To Customers Including Interest RefundToCustomersIncludingInterest	84000000	USD
CY2012	etr	Regulatory Liability Net Of Tax RegulatoryLiabilityNetOfTax	-4356000	USD
CY2011	etr	Regulatory Liability Net Of Tax RegulatoryLiabilityNetOfTax	65357000	USD
CY2013	etr	Regulatory Liability Net Of Tax RegulatoryLiabilityNetOfTax	-2899000	USD
CY2011Q4	etr	Remaining Balances Of Unrecognized Tax Benefits RemainingBalancesOfUnrecognizedTaxBenefits	3867000000	USD
CY2012Q4	etr	Remaining Balances Of Unrecognized Tax Benefits RemainingBalancesOfUnrecognizedTaxBenefits	3968000000	USD
CY2013Q4	etr	Remaining Balances Of Unrecognized Tax Benefits RemainingBalancesOfUnrecognizedTaxBenefits	4417000000	USD
CY2013	etr	Restructuring Charges Net Of Tax RestructuringChargesNetOfTax	70000000	USD
CY2012Q4	etr	Sfas Regulatory Asset Net SfasRegulatoryAssetNet	742030000	USD
CY2013Q4	etr	Sfas Regulatory Asset Net SfasRegulatoryAssetNet	849718000	USD
CY2012	etr	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Dividend Payment Per Share ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsDividendPaymentPerShare	3.32
CY2013	etr	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Dividend Payment Per Share ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsDividendPaymentPerShare	3.32
CY2011	etr	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Dividend Payment Per Share ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsDividendPaymentPerShare	3.32
CY2012	etr	Share Based Compensation Arrangement By Share Based Payment Award Options Vested Total Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedTotalFairValue	11000000	USD
CY2013	etr	Share Based Compensation Arrangement By Share Based Payment Award Options Vested Total Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedTotalFairValue	11000000	USD
CY2011	etr	Share Based Compensation Arrangement By Share Based Payment Award Options Vested Total Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedTotalFairValue	16000000	USD
CY2013	etr	Share Based Compensation Arrangement By Share Based Payment Awards In Money Stock Options Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardsInMoneyStockOptionsIntrinsicValue	2900000	USD
CY2013	etr	Significant Unobservable Inputsin Asset Valuation SignificantUnobservableInputsinAssetValuation	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;text-align:justify;text-indent:48px;font-size:11pt;"><font style="font-family:inherit;font-size:11pt;">The following table sets forth a description of significant unobservable inputs used in the valuation of the Vermont Yankee plant and related assets as of July 31, 2013:</font></div><div style="line-height:120%;text-align:center;font-size:11pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;margin-left:auto;margin-right:auto;width:64.32748538011695%;border-collapse:collapse;text-align:left;"><tr><td colspan="3" rowspan="1"></td></tr><tr><td width="71%" rowspan="1" colspan="1"></td><td width="2%" rowspan="1" colspan="1"></td><td width="27%" rowspan="1" colspan="1"></td></tr><tr><td style="vertical-align:bottom;border-bottom:2px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:center;font-size:11pt;"><font style="font-family:inherit;font-size:11pt;font-weight:bold;">Significant Unobservable Inputs</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td style="vertical-align:bottom;border-bottom:2px solid #000000;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:center;font-size:11pt;"><font style="font-family:inherit;font-size:11pt;font-weight:bold;">Amount</font></div></td></tr><tr><td style="vertical-align:top;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:11pt;"><font style="font-family:inherit;font-size:11pt;"> </font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td style="vertical-align:top;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:11pt;"><font style="font-family:inherit;font-size:11pt;"> </font></div></td></tr><tr><td style="vertical-align:top;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:11pt;"><font style="font-family:inherit;font-size:11pt;">Weighted average cost of capital</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td style="vertical-align:top;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:center;font-size:11pt;"><font style="font-family:inherit;font-size:11pt;">7.5%</font></div></td></tr><tr><td style="vertical-align:top;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:11pt;"><font style="font-family:inherit;font-size:11pt;">Long-term pre-tax operating margin (cash basis)</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td style="vertical-align:top;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:center;font-size:11pt;"><font style="font-family:inherit;font-size:11pt;">7.0%</font></div></td></tr></table></div></div></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;text-align:justify;text-indent:48px;font-size:11pt;"><font style="font-family:inherit;font-size:11pt;">The following table sets forth a description of significant unobservable inputs used in the valuation of the Vermont Yankee plant and related assets as of March 31, 2012:</font></div><div style="line-height:120%;text-align:center;font-size:11pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;margin-left:auto;margin-right:auto;width:73.68421052631578%;border-collapse:collapse;text-align:left;"><tr><td colspan="5" rowspan="1"></td></tr><tr><td width="62%" rowspan="1" colspan="1"></td><td width="1%" rowspan="1" colspan="1"></td><td width="17%" rowspan="1" colspan="1"></td><td width="1%" rowspan="1" colspan="1"></td><td width="19%" rowspan="1" colspan="1"></td></tr><tr><td style="vertical-align:bottom;border-bottom:2px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:center;font-size:11pt;"><font style="font-family:inherit;font-size:11pt;font-weight:bold;">Significant Unobservable Inputs</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td style="vertical-align:bottom;border-bottom:2px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:center;font-size:11pt;"><font style="font-family:inherit;font-size:11pt;font-weight:bold;">Range</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td style="vertical-align:bottom;border-bottom:2px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:center;font-size:11pt;"><font style="font-family:inherit;font-size:11pt;font-weight:bold;">Weighted Average</font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;height:20px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;height:20px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;height:20px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;height:20px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;height:20px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:11pt;"><font style="font-family:inherit;font-size:11pt;">Weighted average cost of capital</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:center;font-size:11pt;"><font style="font-family:inherit;font-size:11pt;">7.5%-8.0%</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:center;font-size:11pt;"><font style="font-family:inherit;font-size:11pt;">7.8%</font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:11pt;"><font style="font-family:inherit;font-size:11pt;">Long-term pre-tax operating margin (cash basis)</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:center;font-size:11pt;"><font style="font-family:inherit;font-size:11pt;">6.1%-7.8%</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:center;font-size:11pt;"><font style="font-family:inherit;font-size:11pt;">7.2%</font></div></td></tr></table></div></div></div>
CY2013Q4	etr	System Agreement Cost Equalization Assets SystemAgreementCostEqualizationAssets	61040000	USD
CY2012Q4	etr	System Agreement Cost Equalization Assets SystemAgreementCostEqualizationAssets	16880000	USD
CY2013	etr	Total Premium For Reactor Under Secondary Financial Protection Program TotalPremiumForReactorUnderSecondaryFinancialProtectionProgram	13200000000	USD
CY2011Q4	etr	Unrecognized Tax Benefits Net Of Unused Tax Attributes And Payments UnrecognizedTaxBenefitsNetOfUnusedTaxAttributesAndPayments	812117000	USD
CY2012Q4	etr	Unrecognized Tax Benefits Net Of Unused Tax Attributes And Payments UnrecognizedTaxBenefitsNetOfUnusedTaxAttributesAndPayments	147868000	USD
CY2013Q4	etr	Unrecognized Tax Benefits Net Of Unused Tax Attributes And Payments UnrecognizedTaxBenefitsNetOfUnusedTaxAttributesAndPayments	192726000	USD
CY2013	etr	Value Of Properties That Do Not Qualify For Low Deductiblevalue Of Properties That Do Not Qualify For Low Deductible ValueOfPropertiesThatDoNotQualifyForLowDeductiblevalueOfPropertiesThatDoNotQualifyForLowDeductible	20000000	USD
CY2013Q4	etr	Volume Of Natural Gas Swaps Outstanding VolumeOfNaturalGasSwapsOutstanding	27480000	MMBTU
CY2013Q4	etr	Volumeof Fixed Transmission Rights Outstanding VolumeofFixedTransmissionRightsOutstanding	37647000	MWh
CY2013	etr	Write Off Of Regulatory Asset For Income Taxes WriteOffOfRegulatoryAssetForIncomeTaxes	0	USD
CY2011	etr	Write Off Of Regulatory Asset For Income Taxes WriteOffOfRegulatoryAssetForIncomeTaxes	0	USD
CY2012	etr	Write Off Of Regulatory Asset For Income Taxes WriteOffOfRegulatoryAssetForIncomeTaxes	42159000	USD
CY2013	dei	Amendment Flag AmendmentFlag	false
CY2013	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2013	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2013	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2013
CY2013	dei	Document Period End Date DocumentPeriodEndDate	2013-12-31
CY2013	dei	Document Type DocumentType	10-K
CY2013	dei	Entity Central Index Key EntityCentralIndexKey	0000065984
CY2014Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	178563836	shares
CY2013	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2013	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2013Q2	dei	Entity Public Float EntityPublicFloat	12400000000	USD
CY2013	dei	Entity Registrant Name EntityRegistrantName	ENTERGY CORP /DE/
CY2013	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2013	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes

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$ETR
ENTERGY CORP /DE/ Stock $etr

2012 Q4 Form 10-K Financial Statement

#000006598414000065 Filed on February 27, 2014

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$ETR ENTERGY CORP /DE/ Stock $etr

2012 Q4 Form 10-K Financial Statement

#000006598414000065 Filed on February 27, 2014

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$ETR
ENTERGY CORP /DE/ Stock $etr