$EXC
EXELON CORP Stock $exc

$exc Overview Financials Valuation SEC Filings Company Website

2015 Q2 Form 10-Q Financial Statement

#000119312515267928 Filed on July 29, 2015

Income Statement

Concept	2015 Q2	2014 Q2
Revenue	$6.514B	$6.024B
YoY Change	8.13%	-1.91%
Cost Of Revenue	$2.449B	$2.412B
YoY Change	1.53%	-0.29%
Gross Profit	$4.066B	$3.612B
YoY Change	12.57%	-2.96%
Gross Profit Margin	62.42%	59.96%
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$839.0M	$810.0M
YoY Change	3.58%	-15.18%
% of Gross Profit	20.63%	22.43%
Operating Expenses	$2.938B	$3.044B
YoY Change	-3.48%	12.91%
Operating Profit	$1.134B	$842.0M
YoY Change	34.68%	-16.22%
Interest Expense	$145.0M	$228.0M
YoY Change	-36.4%	-7.32%
% of Operating Profit	12.79%	27.08%
Other Income/Expense, Net	-$172.0M	-$8.000M
YoY Change	2050.0%	-97.03%
Pretax Income	$962.0M	$834.0M
YoY Change	15.35%	13.32%
Income Tax	$327.0M	$277.0M
% Of Pretax Income	33.99%	33.21%
Net Earnings	$633.0M	$522.0M
YoY Change	21.26%	6.53%
Net Earnings / Revenue	9.72%	8.67%
Basic Earnings Per Share	$0.74	$0.61
Diluted Earnings Per Share	$0.74	$0.60
COMMON SHARES
Basic Shares Outstanding	863.0M shares	860.0M shares
Diluted Shares Outstanding	866.0M shares	864.0M shares

Balance Sheet

Concept	2015 Q2	2014 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments	$6.014B	$1.362B
YoY Change	341.56%	37.44%
Cash & Equivalents	$6.014B	$1.362B
Short-Term Investments
Other Short-Term Assets	$654.0M	$775.0M
YoY Change	-15.61%	12.32%
Inventory	$1.432B	$1.450B
Prepaid Expenses
Receivables	$3.227B	$2.973B
Other Receivables	$1.344B	$1.005B
Total Short-Term Assets	$15.43B	$9.823B
YoY Change	57.03%	4.4%
LONG-TERM ASSETS
Property, Plant & Equipment	$53.94B	$51.75B
YoY Change	4.23%	12.51%
Goodwill	$2.672B	$2.674B
YoY Change	-0.07%	1.87%
Intangibles
YoY Change
Long-Term Investments	$607.0M	$0.00
YoY Change		-100.0%
Other Assets	$1.388B	$1.092B
YoY Change	27.11%	-7.06%
Total Long-Term Assets	$76.79B	$73.83B
YoY Change	4.0%	6.99%
TOTAL ASSETS
Total Short-Term Assets	$15.43B	$9.823B
Total Long-Term Assets	$76.79B	$73.83B
Total Assets	$92.21B	$83.66B
YoY Change	10.23%	6.68%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$2.727B	$2.633B
YoY Change	3.57%	19.14%
Accrued Expenses	$1.366B	$1.382B
YoY Change	-1.16%	0.0%
Deferred Revenue
YoY Change
Short-Term Debt	$543.0M	$621.0M
YoY Change	-12.56%	-6.19%
Long-Term Debt Due	$226.0M	$2.047B
YoY Change	-88.96%	0.79%
Total Short-Term Liabilities	$6.526B	$8.567B
YoY Change	-23.82%	2.3%
LONG-TERM LIABILITIES
Long-Term Debt	$25.22B	$18.13B
YoY Change	39.08%	12.48%
Other Long-Term Liabilities	$2.528B	$2.133B
YoY Change	18.52%	-19.05%
Total Long-Term Liabilities	$27.75B	$20.27B
YoY Change	36.92%	8.05%
TOTAL LIABILITIES
Total Short-Term Liabilities	$6.526B	$8.567B
Total Long-Term Liabilities	$27.75B	$20.27B
Total Liabilities	$67.14B	$59.43B
YoY Change	12.99%	4.57%
SHAREHOLDERS EQUITY
Retained Earnings	$11.70B	$10.44B
YoY Change	12.16%	8.02%
Common Stock	$16.76B	$16.65B
YoY Change	0.62%	-0.25%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$2.327B	$2.327B
YoY Change	0.0%	0.0%
Treasury Stock Shares	35.00M shares	35.00M shares
Shareholders Equity	$23.51B	$22.85B
YoY Change
Total Liabilities & Shareholders Equity	$92.21B	$83.66B
YoY Change	10.23%	6.68%

Cashflow Statement

Concept	2015 Q2	2014 Q2
OPERATING ACTIVITIES
Net Income	$633.0M	$522.0M
YoY Change	21.26%	6.53%
Depreciation, Depletion And Amortization	$839.0M	$810.0M
YoY Change	3.58%	-15.18%
Cash From Operating Activities	$2.479B	$1.586B
YoY Change	56.31%	7.23%
INVESTING ACTIVITIES
Capital Expenditures	-$1.676B	-$1.284B
YoY Change	30.53%	19.89%
Acquisitions
YoY Change
Other Investing Activities	-$119.0M	$108.0M
YoY Change	-210.19%	-1642.86%
Cash From Investing Activities	-$1.795B	-$1.176B
YoY Change	52.64%	9.09%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net	$1.870B
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	3.505B	38.00M
YoY Change	9123.68%	-120.88%
NET CHANGE
Cash From Operating Activities	2.479B	1.586B
Cash From Investing Activities	-1.795B	-1.176B
Cash From Financing Activities	3.505B	38.00M
Net Change In Cash	4.189B	448.0M
YoY Change	835.04%	104.57%
FREE CASH FLOW
Cash From Operating Activities	$2.479B	$1.586B
Capital Expenditures	-$1.676B	-$1.284B
Free Cash Flow	$4.155B	$2.870B
YoY Change	44.77%	12.55%

Facts In Submission

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	dei	Amendment Flag AmendmentFlag	false
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	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q2
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2015
	dei	Document Period End Date DocumentPeriodEndDate	2015-06-30
	dei	Document Type DocumentType	10-Q
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	dei	Entity Registrant Name EntityRegistrantName	EXELON CORP
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CY2014Q2	exc	Unrecognized Tax Benefits Interest Income UnrecognizedTaxBenefitsInterestIncome	-2000000	USD
	exc	Unrecognized Tax Benefits Interest Income UnrecognizedTaxBenefitsInterestIncome	7000000	USD
	exc	Unrecognized Tax Benefits Interest Income UnrecognizedTaxBenefitsInterestIncome	0	USD
CY2014Q4	exc	Variable Interest Entity Consolidated Carrying Amount Current Assets VariableInterestEntityConsolidatedCarryingAmountCurrentAssets	1271000000	USD
CY2015Q2	exc	Variable Interest Entity Consolidated Carrying Amount Current Assets VariableInterestEntityConsolidatedCarryingAmountCurrentAssets	924000000	USD
CY2014Q4	exc	Variable Interest Entity Consolidated Carrying Amount Current Liabilities VariableInterestEntityConsolidatedCarryingAmountCurrentLiabilities	611000000	USD
CY2015Q2	exc	Variable Interest Entity Consolidated Carrying Amount Current Liabilities VariableInterestEntityConsolidatedCarryingAmountCurrentLiabilities	378000000	USD
CY2014Q4	exc	Variable Interest Entity Consolidated Carrying Amount Non Current Assets VariableInterestEntityConsolidatedCarryingAmountNonCurrentAssets	7580000000	USD
CY2015Q2	exc	Variable Interest Entity Consolidated Carrying Amount Non Current Assets VariableInterestEntityConsolidatedCarryingAmountNonCurrentAssets	7731000000	USD
CY2014Q4	exc	Variable Interest Entity Consolidated Carrying Amount Non Current Liabilities VariableInterestEntityConsolidatedCarryingAmountNonCurrentLiabilities	2730000000	USD
CY2015Q2	exc	Variable Interest Entity Consolidated Carrying Amount Non Current Liabilities VariableInterestEntityConsolidatedCarryingAmountNonCurrentLiabilities	2860000000	USD
CY2014Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	3048000000	USD
CY2015Q2	us-gaap	Accounts Payable Current AccountsPayableCurrent	2727000000	USD
CY2014Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	3482000000	USD
CY2015Q2	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	3227000000	USD
CY2014Q4	us-gaap	Accrual For Environmental Loss Contingencies AccrualForEnvironmentalLossContingencies	347000000	USD
CY2015Q2	us-gaap	Accrual For Environmental Loss Contingencies AccrualForEnvironmentalLossContingencies	337000000	USD
CY2014Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	1539000000	USD
CY2015Q2	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	1366000000	USD
CY2014Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	14742000000	USD
CY2015Q2	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	15553000000	USD
CY2013Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-2040000000	USD
CY2014Q2	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-1906000000	USD
CY2014Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-2684000000	USD
CY2015Q2	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-2626000000	USD
	us-gaap	Adjustments Noncash Items To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities	473000000	USD
	us-gaap	Adjustments Noncash Items To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities	579000000	USD
CY2014Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	311000000	USD
CY2015Q2	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	323000000	USD
	us-gaap	Amortization Of Regulatory Asset AmortizationOfRegulatoryAsset	117000000	USD
	us-gaap	Amortization Of Regulatory Asset AmortizationOfRegulatoryAsset	101000000	USD
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	1000000	shares
	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	159000000	USD
	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	193000000	USD
CY2014Q4	us-gaap	Asset Retirement Obligations Noncurrent AssetRetirementObligationsNoncurrent	7295000000	USD
CY2015Q2	us-gaap	Asset Retirement Obligations Noncurrent AssetRetirementObligationsNoncurrent	7550000000	USD
CY2014Q4	us-gaap	Assets Assets	86814000000	USD
CY2015Q2	us-gaap	Assets Assets	92213000000	USD
CY2014Q4	us-gaap	Assets Current AssetsCurrent	12097000000	USD
CY2015Q2	us-gaap	Assets Current AssetsCurrent	15425000000	USD
CY2014Q4	us-gaap	Assets Held In Trust Noncurrent AssetsHeldInTrustNoncurrent	319000000	USD
CY2015Q2	us-gaap	Assets Held In Trust Noncurrent AssetsHeldInTrustNoncurrent	264000000	USD
CY2014Q4	us-gaap	Assets Of Disposal Group Including Discontinued Operation Current AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent	147000000	USD
CY2015Q2	us-gaap	Assets Of Disposal Group Including Discontinued Operation Current AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent	1000000	USD
CY2014Q2	us-gaap	Bridge Loan BridgeLoan	7200000000	USD
CY2015Q2	us-gaap	Business Acquisition Preacquisition Contingency Amount Of Settlement BusinessAcquisitionPreacquisitionContingencyAmountOfSettlement	300000000	USD
	us-gaap	Business Combination Integration Related Costs BusinessCombinationIntegrationRelatedCosts	89000000	USD
	us-gaap	Business Combination Separately Recognized Transactions Expenses And Losses Recognized BusinessCombinationSeparatelyRecognizedTransactionsExpensesAndLossesRecognized	205000000	USD
CY2014Q2	us-gaap	Business Combination Step Acquisition Equity Interest In Acquiree Remeasurement Gain Or Loss BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGainOrLoss	261000000	USD
	us-gaap	Business Combination Step Acquisition Equity Interest In Acquiree Remeasurement Gain Or Loss BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGainOrLoss	261000000	USD
CY2015Q2	us-gaap	Business Combination Step Acquisition Equity Interest In Acquiree Remeasurement Gain Or Loss BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGainOrLoss	0	USD
CY2014Q2	us-gaap	Capital Leases Income Statement Direct Financing Lease Revenue CapitalLeasesIncomeStatementDirectFinancingLeaseRevenue	10000000	USD
	us-gaap	Capital Leases Income Statement Direct Financing Lease Revenue CapitalLeasesIncomeStatementDirectFinancingLeaseRevenue	17000000	USD
CY2015Q2	us-gaap	Capital Leases Income Statement Direct Financing Lease Revenue CapitalLeasesIncomeStatementDirectFinancingLeaseRevenue	4000000	USD
	us-gaap	Capital Leases Income Statement Direct Financing Lease Revenue CapitalLeasesIncomeStatementDirectFinancingLeaseRevenue	8000000	USD
CY2014Q4	us-gaap	Capital Leases Net Investment In Direct Financing Leases CapitalLeasesNetInvestmentInDirectFinancingLeases	361000000	USD
CY2015Q2	us-gaap	Capital Leases Net Investment In Direct Financing Leases CapitalLeasesNetInvestmentInDirectFinancingLeases	344000000	USD
CY2014Q4	us-gaap	Capital Leases Net Investment In Direct Financing Leases Deferred Income CapitalLeasesNetInvestmentInDirectFinancingLeasesDeferredIncome	324000000	USD
CY2015Q2	us-gaap	Capital Leases Net Investment In Direct Financing Leases Deferred Income CapitalLeasesNetInvestmentInDirectFinancingLeasesDeferredIncome	295000000	USD
CY2014Q4	us-gaap	Capital Leases Net Investment In Direct Financing Leases Unguaranteed Residual Values Of Leased Property CapitalLeasesNetInvestmentInDirectFinancingLeasesUnguaranteedResidualValuesOfLeasedProperty	685000000	USD
CY2015Q2	us-gaap	Capital Leases Net Investment In Direct Financing Leases Unguaranteed Residual Values Of Leased Property CapitalLeasesNetInvestmentInDirectFinancingLeasesUnguaranteedResidualValuesOfLeasedProperty	639000000	USD
CY2000Q4	us-gaap	Capital Leases Net Investment In Direct Financing Leases Unguaranteed Residual Values Of Leased Property CapitalLeasesNetInvestmentInDirectFinancingLeasesUnguaranteedResidualValuesOfLeasedProperty	1600000000	USD
	us-gaap	Cash Acquired From Acquisition CashAcquiredFromAcquisition	129000000	USD
	us-gaap	Cash Acquired From Acquisition CashAcquiredFromAcquisition	0	USD
CY2013Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1609000000	USD
CY2014Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1362000000	USD
CY2014Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1878000000	USD
CY2015Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	6014000000	USD
	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-247000000	USD
	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	4136000000	USD
CY2014Q4	us-gaap	Cash Surrender Value Of Life Insurance CashSurrenderValueOfLifeInsurance	35000000	USD
CY2015Q2	us-gaap	Cash Surrender Value Of Life Insurance CashSurrenderValueOfLifeInsurance	36000000	USD
CY2014Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2015Q2	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2014Q2	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.31
	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.62
CY2015Q2	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.31
	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.62
CY2014Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	2000000000	shares
CY2015Q2	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	2000000000	shares
CY2014Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	859825013	shares
CY2015Q2	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	861243550	shares
CY2014Q4	us-gaap	Common Stock Value CommonStockValue	16709000000	USD
CY2015Q2	us-gaap	Common Stock Value CommonStockValue	16755000000	USD
CY2014Q2	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	688000000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	785000000	USD
CY2015Q2	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	683000000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	1430000000	USD
CY2014Q2	us-gaap	Cost Of Purchased Power CostOfPurchasedPower	2346000000	USD
	us-gaap	Cost Of Purchased Power CostOfPurchasedPower	6352000000	USD
CY2015Q2	us-gaap	Cost Of Purchased Power CostOfPurchasedPower	2449000000	USD
	us-gaap	Cost Of Purchased Power CostOfPurchasedPower	6919000000	USD
CY2014Q2	us-gaap	Costs And Expenses CostsAndExpenses	5456000000	USD
	us-gaap	Costs And Expenses CostsAndExpenses	12510000000	USD
CY2015Q2	us-gaap	Costs And Expenses CostsAndExpenses	5387000000	USD
	us-gaap	Costs And Expenses CostsAndExpenses	12852000000	USD
	us-gaap	Defined Benefit Plan Contributions By Employer DefinedBenefitPlanContributionsByEmployer	48000000	USD
CY2015Q2	us-gaap	Defined Benefit Plan Contributions By Employer DefinedBenefitPlanContributionsByEmployer	38000000	USD
	us-gaap	Defined Benefit Plan Contributions By Employer DefinedBenefitPlanContributionsByEmployer	60000000	USD
	us-gaap	Depreciation Depreciation	1015000000	USD
	us-gaap	Depreciation Depreciation	1087000000	USD
	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	1925000000	USD
CY2014Q4	us-gaap	Decommissioning Fund Investments DecommissioningFundInvestments	10537000000	USD
CY2015Q2	us-gaap	Decommissioning Fund Investments DecommissioningFundInvestments	10607000000	USD
CY2014Q4	us-gaap	Decommissioning Liability Noncurrent DecommissioningLiabilityNoncurrent	155000000	USD
CY2015Q2	us-gaap	Decommissioning Liability Noncurrent DecommissioningLiabilityNoncurrent	135000000	USD
	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	133000000	USD
	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	211000000	USD
CY2014Q4	us-gaap	Deferred Tax Assets Liabilities Net Noncurrent DeferredTaxAssetsLiabilitiesNetNoncurrent	0	USD
CY2015Q2	us-gaap	Deferred Tax Assets Liabilities Net Noncurrent DeferredTaxAssetsLiabilitiesNetNoncurrent	2000000	USD
CY2014Q4	us-gaap	Deferred Tax Assets Net Current DeferredTaxAssetsNetCurrent	244000000	USD
CY2015Q2	us-gaap	Deferred Tax Assets Net Current DeferredTaxAssetsNetCurrent	173000000	USD
CY2014Q4	us-gaap	Defined Benefit Pension Plan Liabilities Noncurrent DefinedBenefitPensionPlanLiabilitiesNoncurrent	3366000000	USD
CY2015Q2	us-gaap	Defined Benefit Pension Plan Liabilities Noncurrent DefinedBenefitPensionPlanLiabilitiesNoncurrent	3134000000	USD
CY2014Q2	us-gaap	Defined Benefit Plan Contributions By Employer DefinedBenefitPlanContributionsByEmployer	19000000	USD
	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	1957000000	USD
CY2014Q4	us-gaap	Derivative Assets Current DerivativeAssetsCurrent	1279000000	USD
CY2015Q2	us-gaap	Derivative Assets Current DerivativeAssetsCurrent	1405000000	USD
CY2014Q4	us-gaap	Derivative Assets Noncurrent DerivativeAssetsNoncurrent	773000000	USD
CY2015Q2	us-gaap	Derivative Assets Noncurrent DerivativeAssetsNoncurrent	811000000	USD
CY2015Q2	us-gaap	Derivative Collateral Obligation To Return Cash DerivativeCollateralObligationToReturnCash	30000000	USD
CY2015Q2	us-gaap	Derivative Collateral Obligation To Return Securities DerivativeCollateralObligationToReturnSecurities	18000000	USD
CY2014Q2	us-gaap	Derivative Instruments Not Designated As Hedging Instruments Gain Loss Net DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet	-6000000	USD
CY2015Q2	us-gaap	Derivative Instruments Not Designated As Hedging Instruments Gain Loss Net DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet	-2000000	USD
CY2014Q4	us-gaap	Derivative Liabilities Current DerivativeLiabilitiesCurrent	234000000	USD
CY2015Q2	us-gaap	Derivative Liabilities Current DerivativeLiabilitiesCurrent	165000000	USD
CY2014Q4	us-gaap	Derivative Liabilities Noncurrent DerivativeLiabilitiesNoncurrent	403000000	USD
CY2015Q2	us-gaap	Derivative Liabilities Noncurrent DerivativeLiabilitiesNoncurrent	595000000	USD
	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	537000000	USD
	us-gaap	Dividends Preferred Stock Cash DividendsPreferredStockCash	6000000	USD
CY2014Q4	us-gaap	Due To Affiliate Current DueToAffiliateCurrent	8000000	USD
CY2015Q2	us-gaap	Due To Affiliate Current DueToAffiliateCurrent	8000000	USD
CY2014Q4	us-gaap	Due To Related Parties Noncurrent DueToRelatedPartiesNoncurrent	648000000	USD
CY2015Q2	us-gaap	Due To Related Parties Noncurrent DueToRelatedPartiesNoncurrent	648000000	USD
CY2014Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.61
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.71
CY2015Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.74
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.54
CY2014Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.60
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.71
CY2015Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.74
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.54
CY2014Q1	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.332
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.256
CY2015Q2	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.340
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.334
CY2014Q1	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35
	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35
CY2015Q2	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.349999996933937
	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35
CY2014Q1	us-gaap	Effective Income Tax Rate Reconciliation Deductions Other EffectiveIncomeTaxRateReconciliationDeductionsOther	-0.008
	us-gaap	Effective Income Tax Rate Reconciliation Deductions Other EffectiveIncomeTaxRateReconciliationDeductionsOther	-0.024
CY2015Q2	us-gaap	Effective Income Tax Rate Reconciliation Deductions Other EffectiveIncomeTaxRateReconciliationDeductionsOther	-0.013
	us-gaap	Effective Income Tax Rate Reconciliation Deductions Other EffectiveIncomeTaxRateReconciliationDeductionsOther	-0.016
CY2014Q1	us-gaap	Effective Income Tax Rate Reconciliation Deductions Qualified Production Activities EffectiveIncomeTaxRateReconciliationDeductionsQualifiedProductionActivities	-0.020
	us-gaap	Effective Income Tax Rate Reconciliation Deductions Qualified Production Activities EffectiveIncomeTaxRateReconciliationDeductionsQualifiedProductionActivities	-0.032
CY2015Q2	us-gaap	Effective Income Tax Rate Reconciliation Deductions Qualified Production Activities EffectiveIncomeTaxRateReconciliationDeductionsQualifiedProductionActivities	-0.020
	us-gaap	Effective Income Tax Rate Reconciliation Deductions Qualified Production Activities EffectiveIncomeTaxRateReconciliationDeductionsQualifiedProductionActivities	-0.021
CY2014Q1	us-gaap	Effective Income Tax Rate Reconciliation Minority Interest Income Expense EffectiveIncomeTaxRateReconciliationMinorityInterestIncomeExpense	-0.020
	us-gaap	Effective Income Tax Rate Reconciliation Minority Interest Income Expense EffectiveIncomeTaxRateReconciliationMinorityInterestIncomeExpense	-0.019
CY2015Q2	us-gaap	Effective Income Tax Rate Reconciliation Minority Interest Income Expense EffectiveIncomeTaxRateReconciliationMinorityInterestIncomeExpense	-0.004
	us-gaap	Effective Income Tax Rate Reconciliation Minority Interest Income Expense EffectiveIncomeTaxRateReconciliationMinorityInterestIncomeExpense	-0.006
CY2014Q1	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.012
	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.031
CY2015Q2	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.014
	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.008
CY2014Q1	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.021
	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	-0.006
CY2015Q2	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.039
	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.032
CY2014Q1	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Investment EffectiveIncomeTaxRateReconciliationTaxCreditsInvestment	-0.004
	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Investment EffectiveIncomeTaxRateReconciliationTaxCreditsInvestment	-0.012
CY2015Q2	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Investment EffectiveIncomeTaxRateReconciliationTaxCreditsInvestment	-0.006
	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Investment EffectiveIncomeTaxRateReconciliationTaxCreditsInvestment	-0.008
	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	1000000	USD
CY2014Q4	us-gaap	Energy Marketing Contract Liabilities Current EnergyMarketingContractLiabilitiesCurrent	238000000	USD
CY2015Q2	us-gaap	Energy Marketing Contract Liabilities Current EnergyMarketingContractLiabilitiesCurrent	141000000	USD
CY2014Q4	us-gaap	Energy Marketing Contract Liabilities Noncurrent EnergyMarketingContractLiabilitiesNoncurrent	211000000	USD
CY2015Q2	us-gaap	Energy Marketing Contract Liabilities Noncurrent EnergyMarketingContractLiabilitiesNoncurrent	166000000	USD
CY2014Q4	us-gaap	Energy Marketing Contracts Assets Current EnergyMarketingContractsAssetsCurrent	254000000	USD
CY2015Q2	us-gaap	Energy Marketing Contracts Assets Current EnergyMarketingContractsAssetsCurrent	156000000	USD
CY2014Q4	us-gaap	Energy Marketing Contracts Assets Noncurrent EnergyMarketingContractsAssetsNoncurrent	549000000	USD
CY2015Q2	us-gaap	Energy Marketing Contracts Assets Noncurrent EnergyMarketingContractsAssetsNoncurrent	526000000	USD
CY2014Q4	us-gaap	Energy Related Inventory Other Fossil Fuel EnergyRelatedInventoryOtherFossilFuel	579000000	USD
CY2015Q2	us-gaap	Energy Related Inventory Other Fossil Fuel EnergyRelatedInventoryOtherFossilFuel	364000000	USD
	us-gaap	Equity Method Investment Realized Gain Loss On Disposal EquityMethodInvestmentRealizedGainLossOnDisposal	268000000	USD
	us-gaap	Equity Method Investment Realized Gain Loss On Disposal EquityMethodInvestmentRealizedGainLossOnDisposal	0	USD
CY2014Q2	us-gaap	Forward Contract Indexed To Issuers Equity Forward Rate ForwardContractIndexedToIssuersEquityForwardRate	32.48
	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	280000000	USD
CY2013Q2	us-gaap	Forward Contract Indexed To Issuers Equity Indexed Shares ForwardContractIndexedToIssuersEquityIndexedShares	23000000	shares
CY2014Q2	us-gaap	Gain Loss On Cash Flow Hedge Ineffectiveness Net GainLossOnCashFlowHedgeIneffectivenessNet	5000000	USD
	us-gaap	Gain Loss On Cash Flow Hedge Ineffectiveness Net GainLossOnCashFlowHedgeIneffectivenessNet	8000000	USD
CY2015Q2	us-gaap	Gain Loss On Cash Flow Hedge Ineffectiveness Net GainLossOnCashFlowHedgeIneffectivenessNet	4000000	USD
	us-gaap	Gain Loss On Cash Flow Hedge Ineffectiveness Net GainLossOnCashFlowHedgeIneffectivenessNet	8000000	USD
CY2014Q2	us-gaap	Gain Loss On Contract Termination GainLossOnContractTermination	335000000	USD
CY2015Q2	us-gaap	Gain Loss On Fair Value Hedges Recognized In Earnings GainLossOnFairValueHedgesRecognizedInEarnings	0	USD
	us-gaap	Gain Loss On Fair Value Hedges Recognized In Earnings GainLossOnFairValueHedgesRecognizedInEarnings	1000000	USD
	us-gaap	Gain Loss On Investments GainLossOnInvestments	168000000	USD
	us-gaap	Gain Loss On Investments GainLossOnInvestments	2000000	USD
	us-gaap	Gain Loss On Sale Of Derivatives GainLossOnSaleOfDerivatives	-26000000	USD
CY2014Q2	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	13000000	USD
	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	18000000	USD
CY2015Q2	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	7000000	USD
	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	8000000	USD
CY2014Q4	us-gaap	Goodwill Goodwill	2672000000	USD
CY2015Q2	us-gaap	Goodwill Goodwill	2672000000	USD
CY2015Q2	us-gaap	Guarantee Obligations Current Carrying Value GuaranteeObligationsCurrentCarryingValue	75000000	USD
CY2015Q2	us-gaap	Guarantee Obligations Maximum Exposure GuaranteeObligationsMaximumExposure	10509000000	USD
	us-gaap	Impairment Of Long Lived Assets Held For Use ImpairmentOfLongLivedAssetsHeldForUse	112000000	USD
	us-gaap	Impairment Of Long Lived Assets Held For Use ImpairmentOfLongLivedAssetsHeldForUse	24000000	USD
CY2014Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	834000000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	875000000	USD
CY2015Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	962000000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	2064000000	USD
CY2014Q2	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	0	USD
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-20000000	USD
CY2015Q2	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	0	USD
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-2000000	USD
CY2014Q2	us-gaap	Income Loss From Equity Method Investments Net Of Dividends Or Distributions IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions	0	USD
	us-gaap	Income Loss From Equity Method Investments Net Of Dividends Or Distributions IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions	0	USD
CY2015Q2	us-gaap	Income Loss From Equity Method Investments Net Of Dividends Or Distributions IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions	-2000000	USD
	us-gaap	Income Loss From Equity Method Investments Net Of Dividends Or Distributions IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions	-2000000	USD
CY2014Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	277000000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	224000000	USD
CY2015Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	327000000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	690000000	USD
	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-358000000	USD
	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-668000000	USD
	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	-16000000	USD
	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	247000000	USD
	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	242000000	USD
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	150000000	USD
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-159000000	USD
	us-gaap	Increase Decrease In Other Current Liabilities IncreaseDecreaseInOtherCurrentLiabilities	-53000000	USD
	us-gaap	Increase Decrease In Other Noncurrent Assets And Liabilities Net IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet	67000000	USD
	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-214000000	USD
	us-gaap	Increase Decrease In Over Under Energy Recovery IncreaseDecreaseInOverUnderEnergyRecovery	-60000000	USD
	us-gaap	Increase Decrease In Over Under Energy Recovery IncreaseDecreaseInOverUnderEnergyRecovery	-45000000	USD
	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	-48000000	USD
	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	-253000000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	189000000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	3713000000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-2187000000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-3546000000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	1751000000	USD
	us-gaap	Increase Decrease In Restricted Cash IncreaseDecreaseInRestrictedCash	40000000	USD
	us-gaap	Increase Decrease In Restricted Cash IncreaseDecreaseInRestrictedCash	3000000	USD
CY2015Q2	us-gaap	Increase In Unrecognized Tax Benefits Is Reasonably Possible IncreaseInUnrecognizedTaxBenefitsIsReasonablyPossible	71000000	USD
CY2014Q2	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	4000000	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	3000000	shares
CY2015Q2	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	3000000	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	4000000	shares
CY2014Q2	us-gaap	Interest Expense InterestExpense	228000000	USD
	us-gaap	Interest Expense InterestExpense	445000000	USD
CY2015Q2	us-gaap	Interest Expense InterestExpense	145000000	USD
	us-gaap	Interest Expense InterestExpense	480000000	USD
CY2014Q2	us-gaap	Interest Expense Related Party InterestExpenseRelatedParty	10000000	USD
	us-gaap	Interest Expense Related Party InterestExpenseRelatedParty	20000000	USD
CY2015Q2	us-gaap	Interest Expense Related Party InterestExpenseRelatedParty	10000000	USD
	us-gaap	Interest Expense Related Party InterestExpenseRelatedParty	21000000	USD
CY2015Q2	us-gaap	Interest Rate Fair Value Hedge Asset At Fair Value InterestRateFairValueHedgeAssetAtFairValue	31000000	USD
CY2014Q4	us-gaap	Inventory Raw Materials And Supplies InventoryRawMaterialsAndSupplies	1024000000	USD
CY2015Q2	us-gaap	Inventory Raw Materials And Supplies InventoryRawMaterialsAndSupplies	1068000000	USD
	us-gaap	Inventory Write Down InventoryWriteDown	13000000	USD
CY2015Q2	us-gaap	Investment Banking Advisory Brokerage And Underwriting Fees And Commissions InvestmentBankingAdvisoryBrokerageAndUnderwritingFeesAndCommissions	35000000	USD
CY2014Q2	us-gaap	Investment Income Interest InvestmentIncomeInterest	7000000	USD
	us-gaap	Investment Income Interest InvestmentIncomeInterest	8000000	USD
CY2015Q2	us-gaap	Investment Income Interest InvestmentIncomeInterest	1000000	USD
	us-gaap	Investment Income Interest InvestmentIncomeInterest	4000000	USD
CY2013Q2	us-gaap	Junior Subordinated Long Term Notes JuniorSubordinatedLongTermNotes	1150000000	USD
CY2014Q4	us-gaap	Liabilities Liabilities	62681000000	USD
CY2015Q2	us-gaap	Liabilities Liabilities	67144000000	USD
CY2014Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	86814000000	USD
CY2015Q2	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	92213000000	USD
CY2014Q4	us-gaap	Liabilities Current LiabilitiesCurrent	8762000000	USD
CY2015Q2	us-gaap	Liabilities Current LiabilitiesCurrent	6526000000	USD
CY2015Q2	us-gaap	Line Of Credit Facility Current Borrowing Capacity LineOfCreditFacilityCurrentBorrowingCapacity	22000000	USD
CY2015Q2	us-gaap	Line Of Credit Facility Maximum Borrowing Capacity LineOfCreditFacilityMaximumBorrowingCapacity	8500000000	USD
CY2015Q1	us-gaap	Litigation Settlement Amount LitigationSettlementAmount	14000000	USD
CY2015Q2	us-gaap	Long Term Debt LongTermDebt	131000000	USD
CY2014Q4	us-gaap	Long Term Debt And Capital Lease Obligations Current LongTermDebtAndCapitalLeaseObligationsCurrent	1802000000	USD
CY2015Q2	us-gaap	Long Term Debt And Capital Lease Obligations Current LongTermDebtAndCapitalLeaseObligationsCurrent	226000000	USD
CY2014Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	19362000000	USD
CY2015Q2	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	25220000000	USD
CY2014Q4	us-gaap	Long Term Investments LongTermInvestments	544000000	USD
CY2015Q2	us-gaap	Long Term Investments LongTermInvestments	607000000	USD
CY2014Q4	us-gaap	Minority Interest MinorityInterest	1332000000	USD
CY2015Q2	us-gaap	Minority Interest MinorityInterest	1370000000	USD
	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	-415000000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	3969000000	USD
CY2014Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	522000000	USD
	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	0	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	612000000	USD
CY2015Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	638000000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	1331000000	USD
CY2014Q2	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-8000000	USD
	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-135000000	USD
CY2015Q2	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-172000000	USD
	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-437000000	USD
	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	9	Reportable_segment
CY2014Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	842000000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	1010000000	USD
CY2015Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	1134000000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	2501000000	USD
CY2014Q4	us-gaap	Other Assets Current OtherAssetsCurrent	865000000	USD
CY2015Q2	us-gaap	Other Assets Current OtherAssetsCurrent	654000000	USD
CY2014Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	1160000000	USD
CY2015Q2	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	1388000000	USD
CY2014Q2	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	4000000	USD
	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	-1000000	USD
CY2015Q2	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	3000000	USD
	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	-9000000	USD
CY2014Q2	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Net Of Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax	-6000000	USD
	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Net Of Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax	-6000000	USD
CY2015Q2	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Net Of Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax	-11000000	USD
	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Net Of Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax	-23000000	USD
CY2014Q2	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax	5000000	USD
	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax	5000000	USD
CY2015Q2	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax	8000000	USD
	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax	15000000	USD
	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	246000000	USD
	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	-48000000	USD
CY2014Q2	us-gaap	Other Comprehensive Income Loss Finalization Of Pension And Non Pension Postretirement Plan Valuation Net Of Tax OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationNetOfTax	258000000	USD
	us-gaap	Other Comprehensive Income Loss Finalization Of Pension And Non Pension Postretirement Plan Valuation Net Of Tax OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationNetOfTax	246000000	USD
CY2015Q2	us-gaap	Other Comprehensive Income Loss Finalization Of Pension And Non Pension Postretirement Plan Valuation Net Of Tax OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationNetOfTax	0	USD
	us-gaap	Other Comprehensive Income Loss Finalization Of Pension And Non Pension Postretirement Plan Valuation Net Of Tax OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationNetOfTax	-29000000	USD
CY2014Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	131000000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	134000000	USD
CY2015Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	50000000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	58000000	USD
CY2014Q2	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax	63000000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax	102000000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax	2000000	USD
CY2014Q2	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax	-38000000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax	-72000000	USD
CY2015Q2	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax	-55000000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax	-110000000	USD
CY2014Q2	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax	23000000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax	46000000	USD
CY2015Q2	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax	35000000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax	69000000	USD
CY2014Q2	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	-79000000	USD
	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	-82000000	USD
CY2015Q2	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	-28000000	USD
	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	-42000000	USD
CY2014Q2	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	-48000000	USD
	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	-73000000	USD
CY2015Q2	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	3000000	USD
	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	9000000	USD
CY2014Q2	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax	28000000	USD
	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax	48000000	USD
CY2015Q2	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax	-2000000	USD
	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax	-6000000	USD
CY2014Q2	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	1000000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	1000000	USD
CY2015Q2	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	0	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	0	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	0	USD
CY2015Q2	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	1000000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	1000000	USD
CY2014Q2	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	2166000000	USD
	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	4024000000	USD
CY2015Q2	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	2042000000	USD
	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	4123000000	USD
CY2014Q2	us-gaap	Other Depreciation And Amortization OtherDepreciationAndAmortization	590000000	USD
	us-gaap	Other Depreciation And Amortization OtherDepreciationAndAmortization	1154000000	USD
CY2015Q2	us-gaap	Other Depreciation And Amortization OtherDepreciationAndAmortization	602000000	USD
	us-gaap	Other Depreciation And Amortization OtherDepreciationAndAmortization	1212000000	USD
CY2014Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	1123000000	USD
CY2015Q2	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	941000000	USD
CY2014Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	2147000000	USD
CY2015Q2	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	2528000000	USD
	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-473000000	USD
	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-579000000	USD
CY2014Q2	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	-1000000	USD
	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	16000000	USD
CY2015Q2	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	7000000	USD
	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	9000000	USD
CY2014Q2	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	230000000	USD
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	330000000	USD
CY2015Q2	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-17000000	USD
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	64000000	USD
CY2014Q4	us-gaap	Other Postretirement Defined Benefit Plan Liabilities Noncurrent OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent	1742000000	USD
CY2015Q2	us-gaap	Other Postretirement Defined Benefit Plan Liabilities Noncurrent OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent	1850000000	USD
CY2014Q4	us-gaap	Other Receivables OtherReceivables	1227000000	USD
CY2015Q2	us-gaap	Other Receivables OtherReceivables	1304000000	USD
	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	57000000	USD
	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	77000000	USD
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	533000000	USD
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	537000000	USD
	us-gaap	Payments To Acquire Businesses Gross PaymentsToAcquireBusinessesGross	66000000	USD
	us-gaap	Payments To Acquire Businesses Gross PaymentsToAcquireBusinessesGross	28000000	USD
	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	4238000000	USD
	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	3437000000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	2501000000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	3460000000	USD
	us-gaap	Pension And Other Postretirement Benefit Contributions PensionAndOtherPostretirementBenefitContributions	499000000	USD
	us-gaap	Pension And Other Postretirement Benefit Contributions PensionAndOtherPostretirementBenefitContributions	301000000	USD
	us-gaap	Pension And Other Postretirement Benefit Expense PensionAndOtherPostretirementBenefitExpense	315000000	USD
	us-gaap	Pension And Other Postretirement Benefit Expense PensionAndOtherPostretirementBenefitExpense	317000000	USD
CY2014Q4	us-gaap	Preferred Stock Value PreferredStockValue	193000000	USD
CY2015Q2	us-gaap	Preferred Stock Value PreferredStockValue	193000000	USD
CY2015Q2	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	1870000000	USD
	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	2100000000	USD
	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	5907000000	USD
	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-83000000	USD
	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-59000000	USD
	us-gaap	Proceeds From Repayments Of Short Term Debt Maturing In Three Months Or Less ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess	293000000	USD
	us-gaap	Proceeds From Repayments Of Short Term Debt Maturing In Three Months Or Less ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess	94000000	USD
	us-gaap	Proceeds From Sale And Maturity Of Other Investments ProceedsFromSaleAndMaturityOfOtherInvestments	4219000000	USD
	us-gaap	Proceeds From Sale And Maturity Of Other Investments ProceedsFromSaleAndMaturityOfOtherInvestments	3314000000	USD
	us-gaap	Proceeds From Sale Of Property Held For Sale ProceedsFromSaleOfPropertyHeldForSale	32000000	USD
	us-gaap	Proceeds From Sale Of Property Held For Sale ProceedsFromSaleOfPropertyHeldForSale	145000000	USD
	us-gaap	Proceeds From Stock Plans ProceedsFromStockPlans	18000000	USD
	us-gaap	Proceeds From Stock Plans ProceedsFromStockPlans	16000000	USD
CY2014Q2	us-gaap	Profit Loss ProfitLoss	557000000	USD
	us-gaap	Profit Loss ProfitLoss	651000000	USD
CY2015Q2	us-gaap	Profit Loss ProfitLoss	633000000	USD
	us-gaap	Profit Loss ProfitLoss	1372000000	USD
CY2014Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	52087000000	USD
CY2015Q2	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	53935000000	USD
	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	59000000	USD
	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	80000000	USD
CY2014Q2	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity	4000000	USD
	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity	12000000	USD
CY2015Q2	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity	5000000	USD
	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity	11000000	USD
	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	112000000	USD
	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	-106000000	USD
CY2014Q4	us-gaap	Regulatory Assets RegulatoryAssets	6923000000	USD
CY2015Q2	us-gaap	Regulatory Assets RegulatoryAssets	6761000000	USD
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	1191000000	USD
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	1708000000	USD
CY2014Q4	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	271000000	USD
CY2015Q2	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	274000000	USD
CY2014Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	10910000000	USD
CY2015Q2	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	11704000000	USD
CY2014Q2	us-gaap	Revenue From Related Parties RevenueFromRelatedParties	0	USD
	us-gaap	Revenue From Related Parties RevenueFromRelatedParties	0	USD
CY2015Q2	us-gaap	Revenue From Related Parties RevenueFromRelatedParties	1000000	USD
	us-gaap	Revenue From Related Parties RevenueFromRelatedParties	3000000	USD
CY2014Q4	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	847000000	USD
CY2015Q2	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	785000000	USD
CY2014Q4	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	6076000000	USD
CY2015Q2	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	5976000000	USD
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CY2015Q2	us-gaap	Regulatory Liabilities RegulatoryLiabilities	4871000000	USD
CY2014Q4	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	310000000	USD
CY2015Q2	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	409000000	USD
CY2014Q4	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	4550000000	USD
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	us-gaap	Revenues Revenues	13261000000	USD
CY2015Q2	us-gaap	Revenues Revenues	6514000000	USD
	us-gaap	Revenues Revenues	15345000000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	68000000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	79000000	USD
CY2014Q4	us-gaap	Shares Issued SharesIssued	894568000	shares
CY2015Q2	us-gaap	Shares Issued SharesIssued	896610000	shares
CY2014Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	460000000	USD
CY2015Q2	us-gaap	Short Term Borrowings ShortTermBorrowings	543000000	USD
CY2014Q4	us-gaap	Spent Nuclear Fuel Obligation Noncurrent SpentNuclearFuelObligationNoncurrent	1021000000	USD
CY2015Q2	us-gaap	Spent Nuclear Fuel Obligation Noncurrent SpentNuclearFuelObligationNoncurrent	1021000000	USD
	us-gaap	Stock Issued During Period Shares Employee Stock Purchase Plans StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans	790000	shares
	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	16000000	USD
CY2014Q4	us-gaap	Stockholders Equity StockholdersEquity	22608000000	USD
CY2015Q2	us-gaap	Stockholders Equity StockholdersEquity	23506000000	USD
CY2014Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	24133000000	USD
CY2015Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	25069000000	USD
CY2015Q2	us-gaap	Subordinated Borrowing Interest Rate SubordinatedBorrowingInterestRate	0.025
CY2015Q2	us-gaap	Tangible Asset Impairment Charges TangibleAssetImpairmentCharges	24000000	USD
CY2014Q2	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	288000000	USD
	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	580000000	USD
CY2015Q2	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	294000000	USD
	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	598000000	USD
CY2013Q2	us-gaap	Temporary Equity Par Or Stated Value Per Share TemporaryEquityParOrStatedValuePerShare	35
CY2015Q2	us-gaap	Temporary Equity Share Subscriptions TemporaryEquityShareSubscriptions	57500000	shares
CY2014Q2	us-gaap	Temporary Equity Share Subscriptions TemporaryEquityShareSubscriptions	57500000	shares
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CY2015Q2	us-gaap	Treasury Stock Shares TreasuryStockShares	35000000	shares
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	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	507000000	USD
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CY2015Q2	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	1289000000	USD
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	us-gaap	Unrecognized Tax Benefits Income Tax Penalties Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesExpense	90000000	USD
	us-gaap	Unrecognized Tax Benefits Increases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsIncreasesResultingFromSettlementsWithTaxingAuthorities	347000000	USD
CY2013Q1	us-gaap	Unrecognized Tax Benefits Interest On Income Taxes Accrued UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued	265000000	USD
CY2014Q4	us-gaap	Variable Interest Entity Consolidated Carrying Amount Assets VariableInterestEntityConsolidatedCarryingAmountAssets	8851000000	USD
CY2015Q2	us-gaap	Variable Interest Entity Consolidated Carrying Amount Assets VariableInterestEntityConsolidatedCarryingAmountAssets	8655000000	USD
CY2014Q4	us-gaap	Variable Interest Entity Consolidated Carrying Amount Liabilities VariableInterestEntityConsolidatedCarryingAmountLiabilities	3341000000	USD
CY2015Q2	us-gaap	Variable Interest Entity Consolidated Carrying Amount Liabilities VariableInterestEntityConsolidatedCarryingAmountLiabilities	3238000000	USD
CY2014Q4	us-gaap	Variable Interest Entity Nonconsolidated Carrying Amount Assets VariableInterestEntityNonconsolidatedCarryingAmountAssets	205000000	USD
CY2015Q2	us-gaap	Variable Interest Entity Nonconsolidated Carrying Amount Assets VariableInterestEntityNonconsolidatedCarryingAmountAssets	387000000	USD
CY2014Q4	us-gaap	Variable Interest Entity Nonconsolidated Carrying Amount Liabilities VariableInterestEntityNonconsolidatedCarryingAmountLiabilities	52000000	USD
CY2015Q2	us-gaap	Variable Interest Entity Nonconsolidated Carrying Amount Liabilities VariableInterestEntityNonconsolidatedCarryingAmountLiabilities	90000000	USD
CY2014Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	864000000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	863000000	shares
CY2015Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	866000000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	866000000	shares
CY2014Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	860000000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	860000000	shares
CY2015Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	863000000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	862000000	shares
	us-gaap	Description Of New Accounting Pronouncements Not Yet Adopted DescriptionOfNewAccountingPronouncementsNotYetAdopted	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;text-align:justify;font-size:10pt;"><font style="font-family:Arial;font-size:10pt;font-weight:bold;">New Accounting Pronouncements (Exelon, Generation, ComEd, PECO and BGE)</font></div><div style="line-height:120%;text-align:justify;font-size:10pt;"><font style="font-family:Arial;font-size:10pt;"><br clear="none"/></font></div><div style="line-height:120%;text-align:justify;text-indent:32px;font-size:10pt;"><font style="font-family:Arial;font-size:10pt;">The following recently issued accounting standards are not yet required to be reflected in the combined financial statements of the Registrants.</font></div><div style="line-height:120%;text-align:justify;text-indent:32px;font-size:10pt;"><font style="font-family:Arial;font-size:10pt;"><br clear="none"/></font></div><div style="line-height:120%;text-align:justify;text-indent:32px;font-size:10pt;"><font style="font-family:Arial;font-size:10pt;font-style:italic;font-weight:bold;">Simplifying the Measurement of Inventory</font></div><div style="line-height:120%;text-align:justify;text-indent:32px;font-size:10pt;"><font style="font-family:Arial;font-size:10pt;"><br clear="none"/></font></div><div style="line-height:120%;text-align:justify;text-indent:32px;font-size:10pt;"><font style="font-family:Arial;font-size:10pt;">In July 2015, the FASB issued authoritative guidance that requires inventory to be measured at the lower of cost or net realizable value. The new guidance defines net realizable value as the estimated selling price in the ordinary course of business, less reasonably predictable costs of completion, disposal and transportation. This definition is consistent with existing authoritative guidance. Current guidance requires inventory to be measured at the lower of cost or market where market could be replacement cost, net realizable value or net realizable value less an approximately normal profit margin. The guidance is effective for periods beginning after December 15, 2016 with early adoption permitted. The guidance is required to be applied prospectively. The Registrants are currently assessing the impacts this guidance may have on their financial positions, results of operations, cash flows and disclosures as well as the potential to early adopt the guidance. </font></div><div style="line-height:120%;text-align:justify;text-indent:32px;font-size:10pt;"><font style="font-family:Arial;font-size:10pt;"><br clear="none"/></font></div><div style="line-height:120%;text-align:justify;text-indent:32px;font-size:10pt;"><font style="font-family:Arial;font-size:10pt;font-style:italic;font-weight:bold;">Disclosures for Investments in Certain Entities that Calculate Net Asset Value per Share</font></div><div style="line-height:120%;text-align:justify;text-indent:32px;font-size:10pt;"><font style="font-family:Arial;font-size:10pt;"><br clear="none"/></font></div><div style="line-height:120%;text-align:justify;text-indent:32px;font-size:10pt;"><font style="font-family:Arial;font-size:10pt;">In May 2015, FASB issued authoritative guidance that removes the requirement to categorize within the fair value hierarchy all investments for which fair value is measured using the net asset value per share practical expedient. Investments measured at net asset value per share using the practical expedient will be presented as a reconciling item between the fair value hierarchy disclosure and the investment line item on the statement of financial position. The guidance also removes the requirement to make certain disclosures for all investments that are eligible to be measured at fair value using the net asset value per share practical expedient. Rather, those disclosures are limited to investments for which the entity has elected to measure the fair value using the practical expedient. The guidance is effective for the Registrants for fiscal years beginning after December 15, 2015 with early adoption permitted. The guidance is required to be applied retrospectively to all prior periods presented. The Registrants are currently assessing the impacts this guidance may have on their disclosures as well as the potential to early adopt the guidance. There will be no impact to their financial position, results of operations or cash flows. </font></div><div style="line-height:120%;text-align:justify;text-indent:32px;font-size:10pt;"><font style="font-family:Arial;font-size:10pt;"><br clear="none"/></font></div><div style="line-height:120%;text-align:justify;text-indent:29px;font-size:10pt;"><font style="font-family:Arial;font-size:10pt;font-style:italic;font-weight:bold;">Customer’s Accounting for Fees Paid in a Cloud Computing Arrangement</font></div><div style="line-height:120%;text-align:justify;text-indent:29px;font-size:10pt;"><font style="font-family:Arial;font-size:10pt;"><br clear="none"/></font></div><div style="line-height:120%;padding-bottom:13px;text-align:justify;text-indent:29px;font-size:10pt;"><font style="font-family:Arial;font-size:10pt;">In April 2015, the FASB issued authoritative guidance that clarifies the circumstances under which a cloud computing customer would account for the arrangement as a license of internal-use software. A cloud computing arrangement would include a software license if (1) the customer has a contractual right to take possession of the software at any time during the hosting period without significant penalty and (2) it is feasible for the customer to either run the software on its own hardware or contract with another party unrelated to the vendor to host the software. If the arrangement does not contain a software license, it would be accounted for as a service contract. The guidance is effective for the Registrants for fiscal years beginning after December 15, 2015. Early adoption is permitted. The guidance can be applied retrospectively to each prior reporting period presented or prospectively to arrangements entered into, or materially modified, after the effective date. The Registrants are currently assessing the impact this guidance may have on their financial positions, results of operations, cash flows and disclosures. The Registrants expect to apply the standard prospectively to arrangements entered into, or materially modified, after the standard becomes effective for the Registrants on January 1, 2016. The Registrants do not plan to early adopt the standard. </font></div><div style="line-height:174%;padding-bottom:13px;text-align:justify;text-indent:29px;font-size:10pt;"><font style="font-family:Arial;font-size:10pt;font-style:italic;font-weight:bold;">Simplifying the Presentation of Debt Issuance Costs</font></div><div style="line-height:120%;text-align:justify;text-indent:30px;font-size:10pt;"><font style="font-family:Arial;font-size:10pt;">In April 2015, the FASB issued authoritative guidance that changes the presentation of debt issuance costs in financial statements. The new guidance requires entity’s to present such costs in the balance sheet as a direct reduction to the related debt liability rather than as a deferred cost (i.e., an asset) as required by current guidance. The new standard does not change the recognition or measurement of debt issuance costs. The guidance is effective for the Registrants for fiscal years beginning after December 15, 2015. Early adoption is permitted for financial statements that have not been previously issued. The guidance is required to be applied retrospectively to all prior periods presented. The Registrants are currently assessing the impact this guidance may have on their financial positions and disclosures. The standard will not impact the results of operations and cash flows of the Registrants. The Registrants expect to complete their assessment by the fourth quarter of 2015 and early adopt the standard at that time. </font></div><div style="line-height:120%;padding-top:6px;text-align:justify;text-indent:32px;font-size:10pt;"><font style="font-family:Arial;font-size:10pt;"><br clear="none"/></font></div><div style="line-height:120%;padding-bottom:13px;text-align:justify;font-size:10pt;"><font style="font-family:Arial;font-size:10pt;font-style:italic;font-weight:bold;"> Amendments to the Consolidation Analysis</font></div><div style="line-height:120%;text-align:justify;text-indent:29px;font-size:10pt;"><font style="font-family:Arial;font-size:10pt;">In February 2015, the FASB issued authoritative guidance that amends the consolidation analysis for variable interest entities (VIEs) as well as voting interest entities. The new guidance primarily (1) changes the assessment of limited partnerships as VIEs, (2) amends the effect that fees paid to a decision maker or service provider have on the VIE analysis, (3) amends how variable interests held by a reporting entity’s related parties and de facto agents impact its consolidation conclusion, (4) clarifies how to determine whether equity holders (as a group) have power over an entity and (5) provides a scope exception for registered and similar unregistered money market funds. The guidance is effective for the Registrants for the first interim period within annual reporting periods beginning on or after December 15, 2015. Early adoption is permitted. The guidance can be applied retrospectively to each prior reporting period presented (full retrospective method) or retrospectively with a cumulative effect adjustment to retained earnings for initial application of the guidance at the date of adoption (modified retrospective method). The Registrants are currently assessing the impact this guidance may have on their financial positions, results of operations, cash flows and disclosures as well as the transition method that they will use to adopt the guidance. The Registrants do not plan to early adopt the standard.</font></div><div style="line-height:120%;text-align:justify;text-indent:36px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div><div style="line-height:120%;padding-bottom:13px;text-align:justify;text-indent:29px;font-size:10pt;"><font style="font-family:Arial;font-size:10pt;font-style:italic;font-weight:bold;">Revenue from Contracts with Customers</font></div><div style="line-height:120%;padding-bottom:13px;text-align:justify;text-indent:29px;font-size:10pt;"><font style="font-family:Arial;font-size:10pt;">In May 2014, the FASB issued authoritative guidance that changes the criteria for recognizing revenue from a contract with a customer. The new guidance replaces existing guidance on revenue recognition, including most industry specific guidance, with a five step model for recognizing and measuring revenue from contracts with customers. The objective of the new standard is to provide a single, comprehensive revenue recognition model for all contracts with customers to improve comparability within industries, across industries and across capital markets. The underlying principle is that an entity will recognize revenue to depict the transfer of goods or services to customers at an amount that the entity expects to be entitled to in exchange for those goods or services. The guidance also requires a number of disclosures regarding the nature, amount, timing and uncertainty of revenue and the related cash flows. The guidance can be applied retrospectively to each prior reporting period presented (full retrospective method) or retrospectively with a cumulative effect adjustment to retained earnings for initial application of the guidance at the date of initial adoption (modified retrospective method). The Registrants are currently assessing the impacts this guidance may have on their financial positions, results of operations, cash flows and disclosures as well as the transition method that they will use to adopt the guidance. As currently issued, the guidance is effective for the Registrants for the first interim period within annual reporting periods beginning on or after December 15, 2016; and early adoption would not be permitted.  However, in July 2015, the FASB approved an amendment to provide a one year deferral of the effective date to annual reporting periods beginning on or after December 15, 2017, as well as an option to early adopt the standard for annual periods beginning on or after December 15, 2016. As of July 29, 2015, the amendment to defer the effective date and provide an option to early adopt had not been issued.</font></div></div>

Files In Submission

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$EXC
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2015 Q2 Form 10-Q Financial Statement

#000119312515267928 Filed on July 29, 2015

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$EXC EXELON CORP Stock $exc

2015 Q2 Form 10-Q Financial Statement

#000119312515267928 Filed on July 29, 2015

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$EXC
EXELON CORP Stock $exc