$CNP
CENTERPOINT ENERGY INC Stock $cnp

$cnp Overview Financials Valuation SEC Filings Company Website

2014 Form 10-K Financial Statement

#000113031015000008 Filed on February 26, 2015

Income Statement

Concept	2014	2013 Q4	2013 Q3
Revenue	$9.226B	$2.184B	$1.640B
YoY Change	13.82%	2.15%	-3.81%
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$1.013B	$213.0M	$248.0M
YoY Change	6.18%	-14.8%	-17.61%
% of Gross Profit
Operating Expenses	$8.302B	$2.027B	$1.396B
YoY Change	17.0%	10.89%	-13.67%
Operating Profit	$935.0M	$211.0M	$244.0M
YoY Change	-7.43%	-31.94%	177.27%
Interest Expense	-$75.00M	-$106.0M	$14.00M
YoY Change	-82.8%	-3.64%	-112.96%
% of Operating Profit	-8.02%	-50.24%	5.74%
Other Income/Expense, Net	-$50.00M	$124.0M	-$15.00M
YoY Change	-78.17%	1140.0%	-137.5%
Pretax Income	$885.0M	$175.0M	$229.0M
YoY Change	13.32%	-16.67%	78.91%
Income Tax	$274.0M	$62.00M	$78.00M
% Of Pretax Income	30.96%	35.43%	34.06%
Net Earnings	$611.0M	$113.0M	$151.0M
YoY Change	96.46%	-15.67%	1410.0%
Net Earnings / Revenue	6.62%	5.17%	9.21%
Basic Earnings Per Share	$1.42	$0.26	$0.35
Diluted Earnings Per Share	$1.42	$0.26	$0.35
COMMON SHARES
Basic Shares Outstanding	429.6M shares	428.6M shares	428.6M shares
Diluted Shares Outstanding	431.7M shares		430.9M shares

Balance Sheet

Concept	2014	2013 Q4	2013 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments	$1.228B	$975.0M	$908.0M
YoY Change	25.95%	-17.79%	-27.01%
Cash & Equivalents	$298.0M	$208.0M	$219.0M
Short-Term Investments	$930.0M	$767.0M	$689.0M
Other Short-Term Assets	$634.0M	$547.0M	$308.0M
YoY Change	15.9%	153.24%	-32.01%
Inventory	$379.0M	$285.0M	$374.0M
Prepaid Expenses
Receivables	$837.0M	$851.0M	$617.0M
Other Receivables	$190.0M	$0.00	$89.00M
Total Short-Term Assets	$3.268B	$2.658B	$2.319B
YoY Change	22.95%	-7.52%	-15.73%
LONG-TERM ASSETS
Property, Plant & Equipment	$10.50B	$9.593B	$9.386B
YoY Change	9.48%	-29.45%	-29.62%
Goodwill		$840.0M	$840.0M
YoY Change		-42.78%	-42.78%
Intangibles
YoY Change
Long-Term Investments	$4.521B	$4.518B	$4.525B
YoY Change	0.07%	1015.56%	1009.07%
Other Assets	$3.706B	$162.0M	$140.0M
YoY Change	-4.93%	-17.77%	-23.5%
Total Long-Term Assets	$19.93B	$9.619B	$9.870B
YoY Change	3.75%	50.3%	54.51%
TOTAL ASSETS
Total Short-Term Assets	$3.268B	$2.658B	$2.319B
Total Long-Term Assets	$19.93B	$9.619B	$9.870B
Total Assets	$23.20B	$21.87B	$21.58B
YoY Change	6.08%	-4.38%	-4.01%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$716.0M	$689.0M	$364.0M
YoY Change	3.92%	22.82%	-1.89%
Accrued Expenses	$124.0M	$124.0M	$100.0M
YoY Change	0.0%	-17.33%	-23.08%
Deferred Revenue
YoY Change
Short-Term Debt	$53.00M	$43.00M	$70.00M
YoY Change	23.26%	13.16%	32.08%
Long-Term Debt Due	$795.0M	$497.0M	$553.0M
YoY Change	59.96%	-64.5%	-60.56%
Total Short-Term Liabilities	$3.475B	$3.019B	$2.595B
YoY Change	15.1%	-15.55%	-22.86%
LONG-TERM LIABILITIES
Long-Term Debt	$8.009B	$7.817B	$7.758B
YoY Change	2.46%	-6.46%	-7.81%
Other Long-Term Liabilities	$2.411B	$205.0M	$251.0M
YoY Change	11.47%	-17.0%	-9.06%
Total Long-Term Liabilities	$10.42B	$6.705B	$6.961B
YoY Change	4.41%	1.01%	8.07%
TOTAL LIABILITIES
Total Short-Term Liabilities	$3.475B	$3.019B	$2.595B
Total Long-Term Liabilities	$10.42B	$6.705B	$6.961B
Total Liabilities	$18.65B	$9.724B	$9.556B
YoY Change	6.33%	-4.79%	-2.54%
SHAREHOLDERS EQUITY
Retained Earnings		$258.0M	$233.0M
YoY Change		-14.57%	-8.63%
Common Stock		$4.000M	$4.000M
YoY Change		0.0%	0.0%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares		166.0 shares	166.0 shares
Shareholders Equity	$4.548B	$4.329B	$4.261B
YoY Change
Total Liabilities & Shareholders Equity	$23.20B	$21.87B	$21.58B
YoY Change	6.08%	-4.38%	-4.01%

Cashflow Statement

Concept	2014	2013 Q4	2013 Q3
OPERATING ACTIVITIES
Net Income	$611.0M	$113.0M	$151.0M
YoY Change	96.46%	-15.67%	1410.0%
Depreciation, Depletion And Amortization	$1.013B	$213.0M	$248.0M
YoY Change	6.18%	-14.8%	-17.61%
Cash From Operating Activities	$1.397B	$481.0M	$342.0M
YoY Change	-13.39%	0.0%	-24.34%
INVESTING ACTIVITIES
Capital Expenditures	-$1.372B	-$374.0M	-$326.0M
YoY Change	6.69%	-5.08%	-228.85%
Acquisitions	$0.00
YoY Change
Other Investing Activities	$4.000M	$0.00	$25.00M
YoY Change	100.0%		-109.69%
Cash From Investing Activities	-$1.384B	-$374.0M	-$301.0M
YoY Change	6.46%	-5.08%	-45.47%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net	$1.000M
YoY Change	-75.0%
Debt Paid & Issued, Net	$537.0M
YoY Change	-65.86%
Cash From Financing Activities	77.00M	-118.0M	-319.0M
YoY Change	-110.25%	-27.61%	5.98%
NET CHANGE
Cash From Operating Activities	1.397B	481.0M	342.0M
Cash From Investing Activities	-1.384B	-374.0M	-301.0M
Cash From Financing Activities	77.00M	-118.0M	-319.0M
Net Change In Cash	90.00M	-11.00M	-278.0M
YoY Change	-120.55%	-85.53%	-30.67%
FREE CASH FLOW
Cash From Operating Activities	$1.397B	$481.0M	$342.0M
Capital Expenditures	-$1.372B	-$374.0M	-$326.0M
Free Cash Flow	$2.769B	$855.0M	$668.0M
YoY Change	-4.48%	-2.29%	235.68%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2012	cnp	Accretion Of Debt Component Indexed Debt Securities AccretionOfDebtComponentIndexedDebtSecurities	24000000	USD
CY2013	cnp	Accretion Of Debt Component Indexed Debt Securities AccretionOfDebtComponentIndexedDebtSecurities	24000000	USD
CY2014	cnp	Accretion Of Debt Component Indexed Debt Securities AccretionOfDebtComponentIndexedDebtSecurities	26000000	USD
CY2012	cnp	Amount Of Allowed Equity Return Recognized In Period AmountOfAllowedEquityReturnRecognizedInPeriod	47000000	USD
CY2013	cnp	Amount Of Allowed Equity Return Recognized In Period AmountOfAllowedEquityReturnRecognizedInPeriod	45000000	USD
CY2014	cnp	Amount Of Allowed Equity Return Recognized In Period AmountOfAllowedEquityReturnRecognizedInPeriod	68000000	USD
CY2014	cnp	Annualized Individual Discount Rates Based On Time Period Maximum AnnualizedIndividualDiscountRatesBasedOnTimePeriodMaximum	P99Y
CY2014	cnp	Annualized Individual Discount Rates Based On Time Period Minimum AnnualizedIndividualDiscountRatesBasedOnTimePeriodMinimum	P6M
CY2013Q4	cnp	Assets Noncurrent Other Than Property Plant And Equipment AssetsNoncurrentOtherThanPropertyPlantAndEquipment	9619000000	USD
CY2014Q4	cnp	Assets Noncurrent Other Than Property Plant And Equipment AssetsNoncurrentOtherThanPropertyPlantAndEquipment	9430000000	USD
CY2012	cnp	Capital Expendituresfor Long Lived Assets CapitalExpendituresforLongLivedAssets	1188000000	USD
CY2013	cnp	Capital Expendituresfor Long Lived Assets CapitalExpendituresforLongLivedAssets	1272000000	USD
CY2014	cnp	Capital Expendituresfor Long Lived Assets CapitalExpendituresforLongLivedAssets	1402000000	USD
CY2014Q4	cnp	Capital Stock Shares Authorized CapitalStockSharesAuthorized	1020000000	shares
CY2013Q4	cnp	Cash Collateral Posted With Counterparties CashCollateralPostedWithCounterparties	1000000	USD
CY2014Q4	cnp	Cash Collateral Posted With Counterparties CashCollateralPostedWithCounterparties	64000000	USD
CY2012	cnp	Cash Contributed CashContributed	0	USD
CY2013	cnp	Cash Contributed CashContributed	38000000	USD
CY2014	cnp	Cash Contributed CashContributed	0	USD
CY2013Q4	cnp	Deferred Tax Assets Current Other DeferredTaxAssetsCurrentOther	12000000	USD
CY2014Q4	cnp	Deferred Tax Assets Current Other DeferredTaxAssetsCurrentOther	13000000	USD
CY2013Q4	cnp	Deferred Tax Assets Loss And Credit Tax Carryforwards DeferredTaxAssetsLossAndCreditTaxCarryforwards	51000000	USD
CY2014Q4	cnp	Deferred Tax Assets Loss And Credit Tax Carryforwards DeferredTaxAssetsLossAndCreditTaxCarryforwards	69000000	USD
CY2013Q4	cnp	Deferred Tax Assets Noncurrent Other DeferredTaxAssetsNoncurrentOther	76000000	USD
CY2014Q4	cnp	Deferred Tax Assets Noncurrent Other DeferredTaxAssetsNoncurrentOther	89000000	USD
CY2013Q4	cnp	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Deferred Gas Costs DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsDeferredGasCosts	7000000	USD
CY2014Q4	cnp	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Deferred Gas Costs DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsDeferredGasCosts	0	USD
CY2013Q4	cnp	Deferred Tax Liabilities Deferred Gas Costs DeferredTaxLiabilitiesDeferredGasCosts	0	USD
CY2014Q4	cnp	Deferred Tax Liabilities Deferred Gas Costs DeferredTaxLiabilitiesDeferredGasCosts	6000000	USD
CY2013Q4	cnp	Deferred Tax Liabilities Depreciation DeferredTaxLiabilitiesDepreciation	1908000000	USD
CY2014Q4	cnp	Deferred Tax Liabilities Depreciation DeferredTaxLiabilitiesDepreciation	2201000000	USD
CY2013Q4	cnp	Deferred Tax Liabilities Noncurrent Other DeferredTaxLiabilitiesNoncurrentOther	119000000	USD
CY2014Q4	cnp	Deferred Tax Liabilities Noncurrent Other DeferredTaxLiabilitiesNoncurrentOther	21000000	USD
CY2013Q4	cnp	Deferred Tax Liabilities Unrealized Gains On Indexed Debt Securities DeferredTaxLiabilitiesUnrealizedGainsOnIndexedDebtSecurities	541000000	USD
CY2014Q4	cnp	Deferred Tax Liabilities Unrealized Gains On Indexed Debt Securities DeferredTaxLiabilitiesUnrealizedGainsOnIndexedDebtSecurities	636000000	USD
CY2013Q4	cnp	Deferred Tax Liabilities Unrealized Gains On Marketable Securities DeferredTaxLiabilitiesUnrealizedGainsOnMarketableSecurities	97000000	USD
CY2014Q4	cnp	Deferred Tax Liabilities Unrealized Gains On Marketable Securities DeferredTaxLiabilitiesUnrealizedGainsOnMarketableSecurities	65000000	USD
CY2014	cnp	Defined Benefit Pension Plan Vesting Period DefinedBenefitPensionPlanVestingPeriod	P3Y
CY2014	cnp	Defined Benefit Plan Percentage Vested DefinedBenefitPlanPercentageVested	1.00
CY2014Q4	cnp	Defined Benefit Plan Retirement Benefit Eligible Earnings Increased Percentage DefinedBenefitPlanRetirementBenefitEligibleEarningsIncreasedPercentage	0.05
CY2014	cnp	Defined Benefit Plan Transition Obligation Amortization Period DefinedBenefitPlanTransitionObligationAmortizationPeriod	P20Y
CY2013Q4	cnp	Equity Method Investment Basis Difference To Be Accreted EquityMethodInvestment_BasisDifferenceToBeAccreted	-205000000	USD
CY2014Q4	cnp	Equity Method Investment Basis Difference To Be Accreted EquityMethodInvestment_BasisDifferenceToBeAccreted	-132000000	USD
CY2013Q4	cnp	Equity Method Investment Basis Difference Goodwill EquityMethodInvestment_BasisDifference_Goodwill	-229000000	USD
CY2014Q4	cnp	Equity Method Investment Basis Difference Goodwill EquityMethodInvestment_BasisDifference_Goodwill	-217000000	USD
CY2013Q4	cnp	Equity Method Investments Underlying Equityin Net Assets Netof Basis Difference EquityMethodInvestmentsUnderlyingEquityinNetAssetsNetofBasisDifference	4319000000	USD
CY2014Q4	cnp	Equity Method Investments Underlying Equityin Net Assets Netof Basis Difference EquityMethodInvestmentsUnderlyingEquityinNetAssetsNetofBasisDifference	4520000000	USD
CY2013Q4	cnp	Equitymethodinvestmentbasisdifference Total EquitymethodinvestmentbasisdifferenceTotal	434000000	USD
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CY2012	cnp	Gain Loss On Indexed Debt Securities GainLossOnIndexedDebtSecurities	-71000000	USD
CY2013	cnp	Gain Loss On Indexed Debt Securities GainLossOnIndexedDebtSecurities	-193000000	USD
CY2014	cnp	Gain Loss On Indexed Debt Securities GainLossOnIndexedDebtSecurities	-86000000	USD
CY2012	cnp	Income Tax Expense Benefit Related To Interest On Income Tax Positions IncomeTaxExpenseBenefitRelatedToInterestOnIncomeTaxPositions	-7000000	USD
CY2013	cnp	Income Tax Expense Benefit Related To Interest On Income Tax Positions IncomeTaxExpenseBenefitRelatedToInterestOnIncomeTaxPositions	-3000000	USD
CY2014	cnp	Income Tax Expense Benefit Related To Interest On Income Tax Positions IncomeTaxExpenseBenefitRelatedToInterestOnIncomeTaxPositions	3000000	USD
CY2012	cnp	Income Tax Reconciliation Change In Tax Expense IncomeTaxReconciliationChangeInTaxExpense	75000000	USD
CY2013	cnp	Income Tax Reconciliation Change In Tax Expense IncomeTaxReconciliationChangeInTaxExpense	197000000	USD
CY2014	cnp	Income Tax Reconciliation Change In Tax Expense IncomeTaxReconciliationChangeInTaxExpense	-36000000	USD
CY2012	cnp	Income Tax Reconciliation Tax Settlements And Uncertain Income Tax Positions IncomeTaxReconciliationTaxSettlementsAndUncertainIncomeTaxPositions	-33000000	USD
CY2013	cnp	Income Tax Reconciliation Tax Settlements And Uncertain Income Tax Positions IncomeTaxReconciliationTaxSettlementsAndUncertainIncomeTaxPositions	-9000000	USD
CY2014	cnp	Income Tax Reconciliation Tax Settlements And Uncertain Income Tax Positions IncomeTaxReconciliationTaxSettlementsAndUncertainIncomeTaxPositions	0	USD
CY2012	cnp	Increase Decrease Interest And Taxes Accrued IncreaseDecreaseInterestAndTaxesAccrued	-62000000	USD
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CY2014	cnp	Increase Decrease Interest And Taxes Accrued IncreaseDecreaseInterestAndTaxesAccrued	-23000000	USD
CY2012	cnp	Increasedecreaseintaxexpenseduetoformationofmidstreampartnership Increasedecreaseintaxexpenseduetoformationofmidstreampartnership	0	USD
CY2013	cnp	Increasedecreaseintaxexpenseduetoformationofmidstreampartnership Increasedecreaseintaxexpenseduetoformationofmidstreampartnership	196000000	USD
CY2014	cnp	Increasedecreaseintaxexpenseduetoformationofmidstreampartnership Increasedecreaseintaxexpenseduetoformationofmidstreampartnership	0	USD
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CY2012Q4	cnp	Indexed Debt Current IndexedDebtCurrent	138000000	USD
CY2013Q4	cnp	Indexed Debt Current IndexedDebtCurrent	143000000	USD
CY2014Q4	cnp	Indexed Debt Current IndexedDebtCurrent	152000000	USD
CY2011Q4	cnp	Indexed Debt Securities Derivative IndexedDebtSecuritiesDerivative	197000000	USD
CY2012Q4	cnp	Indexed Debt Securities Derivative IndexedDebtSecuritiesDerivative	268000000	USD
CY2013Q4	cnp	Indexed Debt Securities Derivative IndexedDebtSecuritiesDerivative	455000000	USD
CY2014Q4	cnp	Indexed Debt Securities Derivative IndexedDebtSecuritiesDerivative	541000000	USD
CY2012	cnp	Interest On Transition And System Restoration Bonds InterestOnTransitionAndSystemRestorationBonds	147000000	USD
CY2013	cnp	Interest On Transition And System Restoration Bonds InterestOnTransitionAndSystemRestorationBonds	133000000	USD
CY2014	cnp	Interest On Transition And System Restoration Bonds InterestOnTransitionAndSystemRestorationBonds	118000000	USD
CY2012	cnp	Interest Paid Debt Component Indexed Debt Securities InterestPaidDebtComponentIndexedDebtSecurities	17000000	USD
CY2013	cnp	Interest Paid Debt Component Indexed Debt Securities InterestPaidDebtComponentIndexedDebtSecurities	17000000	USD
CY2014	cnp	Interest Paid Debt Component Indexed Debt Securities InterestPaidDebtComponentIndexedDebtSecurities	17000000	USD
CY2013Q4	cnp	Interest Receivableon Income Tax Positions InterestReceivableonIncomeTaxPositions	5000000	USD
CY2014	cnp	Maximum Number Of Times Annual Salary Included In Severance Benefits MaximumNumberOfTimesAnnualSalaryIncludedInSeveranceBenefits	3
CY2014Q4	cnp	Number Of Shares In Common Stock Held By Savings Plan NumberOfSharesInCommonStockHeldBySavingsPlan	17497676	shares
CY2014Q4	cnp	Percentage Of Investment In Common Stocks PercentageOfInvestmentInCommonStocks	0.2
CY2013	cnp	Redemption Of Current Indexed Debt Securities RedemptionOfCurrentIndexedDebtSecurities	2000000	USD
CY2013	cnp	Redemption Of Derivative Indexed Debt Securities RedemptionOfDerivativeIndexedDebtSecurities	6000000	USD
CY2012	cnp	Redemptionof Indexed Debt Securities RedemptionofIndexedDebtSecurities	0	USD
CY2013	cnp	Redemptionof Indexed Debt Securities RedemptionofIndexedDebtSecurities	8000000	USD
CY2014	cnp	Redemptionof Indexed Debt Securities RedemptionofIndexedDebtSecurities	0	USD
CY2012	cnp	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Total Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalGrantDateFairValue	19000000	USD
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CY2013Q4	cnp	Transition And System Restoration Bonds Long Term Debt Current TransitionAndSystemRestorationBondsLongTermDebtCurrent	354000000	USD
CY2014Q4	cnp	Transition And System Restoration Bonds Long Term Debt Current TransitionAndSystemRestorationBondsLongTermDebtCurrent	372000000	USD
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CY2014Q4	cnp	Transition And System Restoration Bonds Long Term Debt Non Current TransitionAndSystemRestorationBondsLongTermDebtNonCurrent	2674000000	USD
CY2012	cnp	Unrealized Loss Gain On Indexed Debt Securities UnrealizedLossGainOnIndexedDebtSecurities	-71000000	USD
CY2013	cnp	Unrealized Loss Gain On Indexed Debt Securities UnrealizedLossGainOnIndexedDebtSecurities	-193000000	USD
CY2014	cnp	Unrealized Loss Gain On Indexed Debt Securities UnrealizedLossGainOnIndexedDebtSecurities	-86000000	USD
CY2013Q4	cnp	Unrecognized Equity Return UnrecognizedEquityReturn	508000000	USD
CY2014Q4	cnp	Unrecognized Equity Return UnrecognizedEquityReturn	442000000	USD
CY2012Q4	cnp	Unrecognized Tax Expense UnrecognizedTaxExpense	23000000	USD
CY2013Q4	cnp	Unrecognized Tax Expense UnrecognizedTaxExpense	0	USD
CY2014Q4	cnp	Unrecognized Tax Expense UnrecognizedTaxExpense	0	USD
CY2014	cnp	Weather Hedges Term WeatherHedgesTerm	10
CY2014	dei	Amendment Flag AmendmentFlag	false
CY2014	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2014	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2014	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2014
CY2014	dei	Document Period End Date DocumentPeriodEndDate	2014-12-31
CY2014	dei	Document Type DocumentType	10-K
CY2014	dei	Entity Central Index Key EntityCentralIndexKey	0001130310
CY2015Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	429802703	shares
CY2014	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2014	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2014Q2	dei	Entity Public Float EntityPublicFloat	10907234073	USD
CY2014	dei	Entity Registrant Name EntityRegistrantName	CENTERPOINT ENERGY INC
CY2014	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2014	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2013Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	689000000	USD
CY2014Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	716000000	USD
CY2013Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	851000000	USD
CY2014Q4	us-gaap	Collateral Already Posted Aggregate Fair Value CollateralAlreadyPostedAggregateFairValue	1000000	USD
CY2014Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	837000000	USD
CY2013Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	4545000000	USD
CY2014Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	4856000000	USD
CY2012Q4	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	132000000	USD
CY2013Q4	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	88000000	USD
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CY2013Q4	us-gaap	Additional Collateral Aggregate Fair Value AdditionalCollateralAggregateFairValue	1000000	USD
CY2014Q4	us-gaap	Additional Collateral Aggregate Fair Value AdditionalCollateralAggregateFairValue	2000000	USD
CY2012	us-gaap	Adjustment For Amortization AdjustmentForAmortization	488000000	USD
CY2013	us-gaap	Adjustment For Amortization AdjustmentForAmortization	423000000	USD
CY2014	us-gaap	Adjustment For Amortization AdjustmentForAmortization	492000000	USD
CY2013Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	28000000	USD
CY2014Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	26000000	USD
CY2012	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	32000000	USD
CY2013	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	30000000	USD
CY2014	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	28000000	USD
CY2012Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	164000000	USD
CY2013Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	134000000	USD
CY2014Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	176000000	USD
CY2013	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	5000000	USD
CY2014	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	5000000	USD
CY2013	us-gaap	Asset Retirement Obligation Revision Of Estimate AssetRetirementObligationRevisionOfEstimate	-35000000	USD
CY2014	us-gaap	Asset Retirement Obligation Revision Of Estimate AssetRetirementObligationRevisionOfEstimate	37000000	USD
CY2012Q4	us-gaap	Assets Assets	22871000000	USD
CY2013Q4	us-gaap	Assets Assets	21870000000	USD
CY2014Q4	us-gaap	Assets Assets	23200000000	USD
CY2013Q4	us-gaap	Assets Current AssetsCurrent	2658000000	USD
CY2014Q4	us-gaap	Assets Current AssetsCurrent	3268000000	USD
CY2013Q4	us-gaap	Assets Fair Value Disclosure Recurring AssetsFairValueDisclosureRecurring	865000000	USD
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CY2014	us-gaap	Contribution Of Property ContributionOfProperty	0	USD
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CY2014Q4	us-gaap	Credit Risk Derivative Assets At Fair Value CreditRiskDerivativeAssetsAtFairValue	131000000	USD
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CY2013	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	114000000	USD
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CY2013Q4	us-gaap	Debt Instrument Unamortized Discount Premium Net DebtInstrumentUnamortizedDiscountPremiumNet	50000000	USD
CY2014Q4	us-gaap	Debt Instrument Unamortized Discount Premium Net DebtInstrumentUnamortizedDiscountPremiumNet	50000000	USD
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CY2013	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	370000000	USD
CY2014	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	273000000	USD
CY2012	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	328000000	USD
CY2013	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	356000000	USD
CY2014	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	280000000	USD
CY2013Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	5563000000	USD
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CY2013Q4	us-gaap	Deferred Tax Assets Gross Current DeferredTaxAssetsGrossCurrent	30000000	USD
CY2014Q4	us-gaap	Deferred Tax Assets Gross Current DeferredTaxAssetsGrossCurrent	23000000	USD
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CY2013Q4	us-gaap	Deferred Tax Liabilities Gross Current DeferredTaxLiabilitiesGrossCurrent	638000000	USD
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CY2012	us-gaap	Depreciation Depreciation	562000000	USD
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CY2014	us-gaap	Depreciation Depreciation	521000000	USD
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CY2014Q4	us-gaap	Derivative Assets Noncurrent DerivativeAssetsNoncurrent	32000000	USD
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CY2012	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	39000000	USD
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CY2013Q4	us-gaap	Goodwill Goodwill	840000000	USD
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CY2012	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	252000000	USD
CY2013	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
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CY2012	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	757000000	USD
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CY2013	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	188000000	USD
CY2014	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	308000000	USD
CY2012	us-gaap	Income Loss From Equity Method Investments Net Of Dividends Or Distributions IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions	-8000000	USD
CY2013	us-gaap	Income Loss From Equity Method Investments Net Of Dividends Or Distributions IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions	58000000	USD
CY2014	us-gaap	Income Loss From Equity Method Investments Net Of Dividends Or Distributions IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions	2000000	USD
CY2012	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	340000000	USD
CY2013	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	470000000	USD
CY2014	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	274000000	USD
CY2012	us-gaap	Income Tax Expense Benefit Continuing Operations Adjustment Of Deferred Tax Asset Liability IncomeTaxExpenseBenefitContinuingOperationsAdjustmentOfDeferredTaxAssetLiability	0	USD
CY2013	us-gaap	Income Tax Expense Benefit Continuing Operations Adjustment Of Deferred Tax Asset Liability IncomeTaxExpenseBenefitContinuingOperationsAdjustmentOfDeferredTaxAssetLiability	0	USD
CY2014	us-gaap	Income Tax Expense Benefit Continuing Operations Adjustment Of Deferred Tax Asset Liability IncomeTaxExpenseBenefitContinuingOperationsAdjustmentOfDeferredTaxAssetLiability	-29000000	USD
CY2012	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	265000000	USD
CY2013	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	273000000	USD
CY2014	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	310000000	USD
CY2012	us-gaap	Income Tax Reconciliation Nondeductible Expense Impairment Losses IncomeTaxReconciliationNondeductibleExpenseImpairmentLosses	88000000	USD
CY2013	us-gaap	Income Tax Reconciliation Nondeductible Expense Impairment Losses IncomeTaxReconciliationNondeductibleExpenseImpairmentLosses	0	USD
CY2014	us-gaap	Income Tax Reconciliation Nondeductible Expense Impairment Losses IncomeTaxReconciliationNondeductibleExpenseImpairmentLosses	0	USD
CY2012	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	-17000000	USD
CY2013	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	-11000000	USD
CY2014	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	-23000000	USD
CY2012	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	39000000	USD
CY2013	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	21000000	USD
CY2014	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	16000000	USD
CY2012	us-gaap	Income Tax Reconciliation Tax Credits Investment IncomeTaxReconciliationTaxCreditsInvestment	2000000	USD
CY2013	us-gaap	Income Tax Reconciliation Tax Credits Investment IncomeTaxReconciliationTaxCreditsInvestment	0	USD
CY2014	us-gaap	Income Tax Reconciliation Tax Credits Investment IncomeTaxReconciliationTaxCreditsInvestment	0	USD
CY2012	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	46000000	USD
CY2013	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	35000000	USD
CY2014	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	192000000	USD
CY2013Q4	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	0	USD
CY2014	us-gaap	Increase Decrease In Accounts And Other Receivables IncreaseDecreaseInAccountsAndOtherReceivables	-39000000	USD
CY2014Q4	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	190000000	USD
CY2012	us-gaap	Increase Decrease In Accounts And Other Receivables IncreaseDecreaseInAccountsAndOtherReceivables	-10000000	USD
CY2013	us-gaap	Increase Decrease In Accounts And Other Receivables IncreaseDecreaseInAccountsAndOtherReceivables	256000000	USD
CY2012	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-6000000	USD
CY2013	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	152000000	USD
CY2014	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-3000000	USD
CY2014	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	5000000	USD
CY2014	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	32000000	USD
CY2012	us-gaap	Increase Decrease In Derivative Assets And Liabilities IncreaseDecreaseInDerivativeAssetsAndLiabilities	-20000000	USD
CY2013	us-gaap	Increase Decrease In Derivative Assets And Liabilities IncreaseDecreaseInDerivativeAssetsAndLiabilities	-4000000	USD
CY2014	us-gaap	Increase Decrease In Derivative Assets And Liabilities IncreaseDecreaseInDerivativeAssetsAndLiabilities	34000000	USD
CY2014	us-gaap	Increase Decrease In Income Taxes IncreaseDecreaseInIncomeTaxes	8000000	USD
CY2012	us-gaap	Increase Decrease In Income Taxes Receivable IncreaseDecreaseInIncomeTaxesReceivable	7000000	USD
CY2013	us-gaap	Increase Decrease In Income Taxes Receivable IncreaseDecreaseInIncomeTaxesReceivable	-7000000	USD
CY2014	us-gaap	Increase Decrease In Income Taxes Receivable IncreaseDecreaseInIncomeTaxesReceivable	190000000	USD
CY2012	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-27000000	USD
CY2013	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	22000000	USD
CY2014	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	102000000	USD
CY2012	us-gaap	Increase Decrease In Margin Deposits Outstanding IncreaseDecreaseInMarginDepositsOutstanding	-53000000	USD
CY2013	us-gaap	Increase Decrease In Margin Deposits Outstanding IncreaseDecreaseInMarginDepositsOutstanding	-16000000	USD
CY2014	us-gaap	Increase Decrease In Margin Deposits Outstanding IncreaseDecreaseInMarginDepositsOutstanding	79000000	USD
CY2012	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	12000000	USD
CY2013	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	2000000	USD
CY2014	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	-1000000	USD
CY2012	us-gaap	Increase Decrease In Other Current Liabilities IncreaseDecreaseInOtherCurrentLiabilities	18000000	USD
CY2013	us-gaap	Increase Decrease In Other Current Liabilities IncreaseDecreaseInOtherCurrentLiabilities	21000000	USD
CY2014	us-gaap	Increase Decrease In Other Current Liabilities IncreaseDecreaseInOtherCurrentLiabilities	-20000000	USD
CY2012	us-gaap	Increase Decrease In Other Noncurrent Assets IncreaseDecreaseInOtherNoncurrentAssets	18000000	USD
CY2013	us-gaap	Increase Decrease In Other Noncurrent Assets IncreaseDecreaseInOtherNoncurrentAssets	24000000	USD
CY2014	us-gaap	Increase Decrease In Other Noncurrent Assets IncreaseDecreaseInOtherNoncurrentAssets	-9000000	USD
CY2012	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	16000000	USD
CY2013	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	20000000	USD
CY2014	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	41000000	USD
CY2012	us-gaap	Increase Decrease In Over Under Energy Recovery IncreaseDecreaseInOverUnderEnergyRecovery	52000000	USD
CY2013	us-gaap	Increase Decrease In Over Under Energy Recovery IncreaseDecreaseInOverUnderEnergyRecovery	-108000000	USD
CY2014	us-gaap	Increase Decrease In Over Under Energy Recovery IncreaseDecreaseInOverUnderEnergyRecovery	41000000	USD
CY2012	us-gaap	Increase Decrease In Regulatory Assets And Liabilities IncreaseDecreaseInRegulatoryAssetsAndLiabilities	-66000000	USD
CY2013	us-gaap	Increase Decrease In Regulatory Assets And Liabilities IncreaseDecreaseInRegulatoryAssetsAndLiabilities	-61000000	USD
CY2014	us-gaap	Increase Decrease In Regulatory Assets And Liabilities IncreaseDecreaseInRegulatoryAssetsAndLiabilities	-22000000	USD
CY2012	us-gaap	Increase Decrease In Restricted Cash IncreaseDecreaseInRestrictedCash	13000000	USD
CY2013	us-gaap	Increase Decrease In Restricted Cash IncreaseDecreaseInRestrictedCash	-17000000	USD
CY2014	us-gaap	Increase Decrease In Restricted Cash IncreaseDecreaseInRestrictedCash	7000000	USD
CY2012	us-gaap	Interest And Debt Expense InterestAndDebtExpense	422000000	USD
CY2013	us-gaap	Interest And Debt Expense InterestAndDebtExpense	351000000	USD
CY2014	us-gaap	Interest And Debt Expense InterestAndDebtExpense	353000000	USD
CY2012	us-gaap	Interest Costs Incurred Capitalized InterestCostsIncurredCapitalized	9000000	USD
CY2013	us-gaap	Interest Costs Incurred Capitalized InterestCostsIncurredCapitalized	11000000	USD
CY2014	us-gaap	Interest Costs Incurred Capitalized InterestCostsIncurredCapitalized	11000000	USD
CY2012	us-gaap	Interest Paid Net InterestPaidNet	556000000	USD
CY2013	us-gaap	Interest Paid Net InterestPaidNet	475000000	USD
CY2014	us-gaap	Interest Paid Net InterestPaidNet	434000000	USD
CY2013Q4	us-gaap	Interest Payable Current InterestPayableCurrent	124000000	USD
CY2014Q4	us-gaap	Interest Payable Current InterestPayableCurrent	124000000	USD
CY2012	us-gaap	Inventory Write Down InventoryWriteDown	4000000	USD
CY2013	us-gaap	Inventory Write Down InventoryWriteDown	4000000	USD
CY2014	us-gaap	Inventory Write Down InventoryWriteDown	8000000	USD
CY2012	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	27000000	USD
CY2013	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	21000000	USD
CY2014	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	11000000	USD
CY2013Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	21870000000	USD
CY2014Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	23200000000	USD
CY2013Q4	us-gaap	Liabilities Current LiabilitiesCurrent	3019000000	USD
CY2014Q4	us-gaap	Liabilities Current LiabilitiesCurrent	3475000000	USD
CY2013Q4	us-gaap	Liabilities Fair Value Disclosure Recurring LiabilitiesFairValueDisclosureRecurring	476000000	USD
CY2014Q4	us-gaap	Liabilities Fair Value Disclosure Recurring LiabilitiesFairValueDisclosureRecurring	561000000	USD
CY2013Q4	us-gaap	Liabilities Other Than Longterm Debt Noncurrent LiabilitiesOtherThanLongtermDebtNoncurrent	6705000000	USD
CY2014Q4	us-gaap	Liabilities Other Than Longterm Debt Noncurrent LiabilitiesOtherThanLongtermDebtNoncurrent	7168000000	USD
CY2013Q4	us-gaap	Line Of Credit Facility Maximum Borrowing Capacity LineOfCreditFacilityMaximumBorrowingCapacity	2100000000	USD
CY2014Q4	us-gaap	Line Of Credit Facility Maximum Borrowing Capacity LineOfCreditFacilityMaximumBorrowingCapacity	2100000000	USD
CY2013Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	497000000	USD
CY2014Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	795000000	USD
CY2013Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	7817000000	USD
CY2014Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	8009000000	USD
CY2013Q4	us-gaap	Marketable Securities Current MarketableSecuritiesCurrent	767000000	USD
CY2014Q4	us-gaap	Marketable Securities Current MarketableSecuritiesCurrent	930000000	USD
CY2012	us-gaap	Marketable Securities Gain Loss MarketableSecuritiesGainLoss	154000000	USD
CY2013	us-gaap	Marketable Securities Gain Loss MarketableSecuritiesGainLoss	236000000	USD
CY2014	us-gaap	Marketable Securities Gain Loss MarketableSecuritiesGainLoss	163000000	USD
CY2012	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	154000000	USD
CY2013	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	236000000	USD
CY2014	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	163000000	USD
CY2012	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	169000000	USD
CY2013	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	-751000000	USD
CY2014	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	77000000	USD
CY2012	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-1603000000	USD
CY2013	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-1300000000	USD
CY2014	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-1384000000	USD
CY2012	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	1860000000	USD
CY2013	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	1613000000	USD
CY2014	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	1397000000	USD
CY2012	us-gaap	Net Income Loss NetIncomeLoss	417000000	USD
CY2013Q1	us-gaap	Net Income Loss NetIncomeLoss	147000000	USD
CY2013Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	802000000	USD
CY2013Q2	us-gaap	Net Income Loss NetIncomeLoss	-100000000	USD
CY2013Q3	us-gaap	Net Income Loss NetIncomeLoss	151000000	USD
CY2013Q4	us-gaap	Net Income Loss NetIncomeLoss	113000000	USD
CY2013	us-gaap	Net Income Loss NetIncomeLoss	311000000	USD
CY2014Q1	us-gaap	Net Income Loss NetIncomeLoss	185000000	USD
CY2014Q2	us-gaap	Net Income Loss NetIncomeLoss	107000000	USD
CY2014Q3	us-gaap	Net Income Loss NetIncomeLoss	143000000	USD
CY2014Q4	us-gaap	Net Income Loss NetIncomeLoss	176000000	USD
CY2014	us-gaap	Net Income Loss NetIncomeLoss	611000000	USD
CY2013Q4	us-gaap	Net Regulatory Assets NetRegulatoryAssets	2574000000	USD
CY2014Q4	us-gaap	Net Regulatory Assets NetRegulatoryAssets	2321000000	USD
CY2012	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-281000000	USD
CY2013	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-229000000	USD
CY2014	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-50000000	USD
CY2013Q4	us-gaap	Notes Receivable Related Parties Noncurrent NotesReceivableRelatedPartiesNoncurrent	363000000	USD
CY2014Q4	us-gaap	Notes Receivable Related Parties Noncurrent NotesReceivableRelatedPartiesNoncurrent	363000000	USD
CY2012	us-gaap	Operating Income Loss OperatingIncomeLoss	1038000000	USD
CY2013Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	332000000	USD
CY2013Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	223000000	USD
CY2013Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	244000000	USD
CY2013Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	211000000	USD
CY2013	us-gaap	Operating Income Loss OperatingIncomeLoss	1010000000	USD
CY2014Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	295000000	USD
CY2014Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	186000000	USD
CY2014Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	233000000	USD
CY2014Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	221000000	USD
CY2014	us-gaap	Operating Income Loss OperatingIncomeLoss	935000000	USD
CY2014Q4	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	23000000	USD
CY2014Q4	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	5000000	USD
CY2014Q4	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	2000000	USD
CY2014Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	2000000	USD
CY2014Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	3000000	USD
CY2014Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	4000000	USD
CY2014Q4	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	7000000	USD
CY2013Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	162000000	USD
CY2014Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	147000000	USD
CY2012	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent	2000000	USD
CY2013	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent	-44000000	USD
CY2014	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent	-3000000	USD
CY2012	us-gaap	Other Comprehensive Income Defined Benefit Plans Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent	-2000000	USD
CY2013	us-gaap	Other Comprehensive Income Defined Benefit Plans Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent	-25000000	USD
CY2014	us-gaap	Other Comprehensive Income Defined Benefit Plans Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent	-5000000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Before Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax	3000000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Before Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax	2000000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-2000000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	45000000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	4000000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Reclassification Adjustments And Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsAndTax	-52000000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Reclassification Adjustments And Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsAndTax	3000000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax	0	USD
CY2013	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax	-1000000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax	-1000000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansBeforeTax	17000000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansBeforeTax	11000000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax	14000000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax	9000000	USD
CY2013Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	402000000	USD
CY2014Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	383000000	USD
CY2013Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	205000000	USD
CY2014Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	251000000	USD
CY2013Q4	us-gaap	Other Long Term Debt Current OtherLongTermDebtCurrent	0	USD
CY2014Q4	us-gaap	Other Long Term Debt Current OtherLongTermDebtCurrent	271000000	USD
CY2013Q4	us-gaap	Other Long Term Debt Noncurrent OtherLongTermDebtNoncurrent	4771000000	USD
CY2014Q4	us-gaap	Other Long Term Debt Noncurrent OtherLongTermDebtNoncurrent	5335000000	USD
CY2012	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	38000000	USD
CY2013	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	24000000	USD
CY2014	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	36000000	USD
CY2012	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	17000000	USD
CY2013	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	24000000	USD
CY2014	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	13000000	USD
CY2012	us-gaap	Other Tax Expense Benefit OtherTaxExpenseBenefit	88000000	USD
CY2012	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	13000000	USD
CY2013	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	2000000	USD
CY2014	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	4000000	USD
CY2012	us-gaap	Payments Of Debt Extinguishment Costs PaymentsOfDebtExtinguishmentCosts	69000000	USD
CY2013	us-gaap	Payments Of Debt Extinguishment Costs PaymentsOfDebtExtinguishmentCosts	7000000	USD
CY2014	us-gaap	Payments Of Debt Extinguishment Costs PaymentsOfDebtExtinguishmentCosts	1000000	USD
CY2012	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	16000000	USD
CY2013	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	3000000	USD
CY2014	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	8000000	USD
CY2012	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	346000000	USD
CY2013	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	355000000	USD
CY2014	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	408000000	USD
CY2012	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	360000000	USD
CY2013	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	USD
CY2014	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	USD
CY2012	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	5000000	USD
CY2013	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	0	USD
CY2014	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	1000000	USD
CY2012	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	1212000000	USD
CY2013	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	1286000000	USD
CY2014	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	1372000000	USD
CY2014Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	953000000	USD
CY2012	us-gaap	Pension Contributions PensionContributions	82000000	USD
CY2013	us-gaap	Pension Contributions PensionContributions	91000000	USD
CY2014	us-gaap	Pension Contributions PensionContributions	97000000	USD
CY2012	us-gaap	Postemployment Benefits Period Expense PostemploymentBenefitsPeriodExpense	8000000	USD
CY2013	us-gaap	Postemployment Benefits Period Expense PostemploymentBenefitsPeriodExpense	4000000	USD
CY2014	us-gaap	Postemployment Benefits Period Expense PostemploymentBenefitsPeriodExpense	3000000	USD
CY2012Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2013Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2014Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2012Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	20000000	shares
CY2013Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	20000000	shares
CY2014Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	20000000	shares
CY2012Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2013Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2014Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2013Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	125000000	USD
CY2014Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	178000000	USD
CY2012	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	4000000	USD
CY2013	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	4000000	USD
CY2014	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	1000000	USD
CY2012	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	2495000000	USD
CY2013	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	1050000000	USD
CY2014	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	600000000	USD
CY2012	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	0	USD
CY2013	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	18000000	USD
CY2014	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	6000000	USD
CY2012	us-gaap	Proceeds From Repayments Of Commercial Paper ProceedsFromRepaymentsOfCommercialPaper	-285000000	USD
CY2013	us-gaap	Proceeds From Repayments Of Commercial Paper ProceedsFromRepaymentsOfCommercialPaper	118000000	USD
CY2014	us-gaap	Proceeds From Repayments Of Commercial Paper ProceedsFromRepaymentsOfCommercialPaper	414000000	USD
CY2012	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	-24000000	USD
CY2013	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	5000000	USD
CY2014	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	10000000	USD
CY2012	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	0	USD
CY2013	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	9000000	USD
CY2014	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	0	USD
CY2013Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	14138000000	USD
CY2014Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	15358000000	USD
CY2013Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	9593000000	USD
CY2014Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	10502000000	USD
CY2012	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	16000000	USD
CY2013	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	21000000	USD
CY2014	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	22000000	USD
CY2013Q4	us-gaap	Public Utilities Inventory PublicUtilitiesInventory	285000000	USD
CY2014Q4	us-gaap	Public Utilities Inventory PublicUtilitiesInventory	379000000	USD
CY2013Q4	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	3726000000	USD
CY2014Q4	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	3527000000	USD
CY2013Q4	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	1152000000	USD
CY2014Q4	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	1206000000	USD
CY2012	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	1590000000	USD
CY2013	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	1573000000	USD
CY2014	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	537000000	USD
CY2012	us-gaap	Revenues Revenues	7452000000	USD
CY2013Q1	us-gaap	Revenues Revenues	2388000000	USD
CY2013Q2	us-gaap	Revenues Revenues	1894000000	USD
CY2013Q3	us-gaap	Revenues Revenues	1640000000	USD
CY2013Q4	us-gaap	Revenues Revenues	2184000000	USD
CY2013	us-gaap	Revenues Revenues	8106000000	USD
CY2014Q1	us-gaap	Revenues Revenues	3163000000	USD
CY2014Q2	us-gaap	Revenues Revenues	1884000000	USD
CY2014Q3	us-gaap	Revenues Revenues	1807000000	USD
CY2014Q4	us-gaap	Revenues Revenues	2372000000	USD
CY2014	us-gaap	Revenues Revenues	9226000000	USD
CY2014Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Authorized ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized	14000000	shares
CY2014Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	0	shares
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	6000000	USD
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	4000000	USD
CY2014	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	2000000	USD
CY2013Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	120000	shares
CY2014Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	0	shares
CY2013Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	10.93
CY2014	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	10.93
CY2013Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	43000000	USD
CY2014Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	53000000	USD
CY2014	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	120000	shares
CY2012Q4	us-gaap	Stockholders Equity StockholdersEquity	4301000000	USD
CY2013Q4	us-gaap	Stockholders Equity StockholdersEquity	4329000000	USD
CY2014Q4	us-gaap	Stockholders Equity StockholdersEquity	4548000000	USD
CY2012	us-gaap	Tax Adjustments Settlements And Unusual Provisions TaxAdjustmentsSettlementsAndUnusualProvisions	33000000	USD
CY2013	us-gaap	Tax Adjustments Settlements And Unusual Provisions TaxAdjustmentsSettlementsAndUnusualProvisions	-8000000	USD
CY2012	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	365000000	USD
CY2013	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	387000000	USD
CY2014	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	388000000	USD
CY2013Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	184000000	USD
CY2014Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	161000000	USD
CY2012	us-gaap	Transfer Of Investments TransferOfInvestments	0	USD
CY2013	us-gaap	Transfer Of Investments TransferOfInvestments	0	USD
CY2013Q4	us-gaap	Unbilled Receivables Current UnbilledReceivablesCurrent	398000000	USD
CY2014Q4	us-gaap	Unbilled Receivables Current UnbilledReceivablesCurrent	357000000	USD
CY2011Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	51000000	USD
CY2012	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	75000000	USD
CY2013	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	1000000	USD
CY2014	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2012	us-gaap	Unrecognized Tax Benefits Increases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsIncreasesResultingFromSettlementsWithTaxingAuthorities	1000000	USD
CY2013	us-gaap	Unrecognized Tax Benefits Increases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsIncreasesResultingFromSettlementsWithTaxingAuthorities	24000000	USD
CY2014	us-gaap	Unrecognized Tax Benefits Increases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsIncreasesResultingFromSettlementsWithTaxingAuthorities	0	USD
CY2012	us-gaap	Utilities Operating Expense Maintenance Operations And Other Costs And Expenses UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses	1874000000	USD
CY2013	us-gaap	Utilities Operating Expense Maintenance Operations And Other Costs And Expenses UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses	1847000000	USD
CY2014	us-gaap	Utilities Operating Expense Maintenance Operations And Other Costs And Expenses UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses	1969000000	USD
CY2012	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	429794000	shares
CY2013	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	430930000	shares
CY2014	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	431668000	shares
CY2012	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	427189000	shares
CY2013	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	428466000	shares
CY2014	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	429634000	shares
CY2014	us-gaap	Use Of Estimates UseOfEstimates	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-style:italic;font-weight:bold;">Use of Estimates</font></div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div><div style="line-height:120%;text-align:justify;text-indent:24px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">The preparation of financial statements in conformity with generally accepted accounting principles requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, disclosure of contingent assets and liabilities at the date of the financial statements, and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates.</font></div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></div>

Files In Submission

Name	View Source	Status
0001130310-15-000008-index-headers.html	Edgar Link	pending
0001130310-15-000008-index.html	Edgar Link	pending
0001130310-15-000008.txt	Edgar Link	pending
0001130310-15-000008-xbrl.zip	Edgar Link	pending
cnp-20141231.xml	Edgar Link	completed
cnp-20141231.xsd	Edgar Link	pending
cnp-20141231_cal.xml	Edgar Link	unprocessable
cnp-20141231_def.xml	Edgar Link	unprocessable
cnp-20141231_lab.xml	Edgar Link	unprocessable
cnp-20141231_pre.xml	Edgar Link	unprocessable
cnp_10kx12312014.htm	Edgar Link	pending
cnp_exhibit10dd4x12312014.htm	Edgar Link	pending
cnp_exhibit10ii2x12312014.htm	Edgar Link	pending
cnp_exhibit10ii3x12312014.htm	Edgar Link	pending
cnp_exhibit10ii6x12312014.htm	Edgar Link	pending
cnp_exhibit10ii7x12312014.htm	Edgar Link	pending
cnp_exhibit10kk1x12312014.htm	Edgar Link	pending
cnp_exhibit10ll8x12312014.htm	Edgar Link	pending
cnp_exhibit10mmx12312014.htm	Edgar Link	pending
cnp_exhibit10nnx12312014.htm	Edgar Link	pending
cnp_exhibit10sx12312014.htm	Edgar Link	pending
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cnp_exhibit321x12312014.htm	Edgar Link	pending
cnp_exhibit322x12312014.htm	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xls	Edgar Link	pending
Financial_Report.xlsx	Edgar Link	pending
R1.htm	Edgar Link	pending
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report.css	Edgar Link	pending
Show.js	Edgar Link	pending

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$CNP
CENTERPOINT ENERGY INC Stock $cnp

2014 Form 10-K Financial Statement

#000113031015000008 Filed on February 26, 2015

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$CNP CENTERPOINT ENERGY INC Stock $cnp

2014 Form 10-K Financial Statement

#000113031015000008 Filed on February 26, 2015

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$CNP
CENTERPOINT ENERGY INC Stock $cnp