2013 Q4 Form 10-K Financial Statement
#000009212215000015 Filed on March 02, 2015
Income Statement
| Concept | 2013 Q4 | 2013 Q3 | 2013 Q2 |
|---|---|---|---|
| Revenue | $3.927B | $5.017B | $4.246B |
| YoY Change | 6.05% | -0.63% | 1.55% |
| Cost Of Revenue | $94.00M | $145.0M | $127.0M |
| YoY Change | 5.62% | -11.59% | -15.33% |
| Gross Profit | $3.833B | $4.872B | $4.119B |
| YoY Change | 6.06% | -0.27% | 2.18% |
| Gross Profit Margin | 97.61% | 97.11% | 97.01% |
| Selling, General & Admin | |||
| YoY Change | |||
| % of Gross Profit | |||
| Research & Development | |||
| YoY Change | |||
| % of Gross Profit | |||
| Depreciation & Amortization | $573.0M | $585.0M | $572.0M |
| YoY Change | 5.52% | 8.74% | 6.92% |
| % of Gross Profit | 14.95% | 12.01% | 13.89% |
| Operating Expenses | $2.994B | $3.231B | $3.029B |
| YoY Change | 6.93% | 2.73% | 4.2% |
| Operating Profit | $799.0M | $1.491B | $640.0M |
| YoY Change | -1.84% | -14.31% | -44.01% |
| Interest Expense | -$177.0M | -$202.0M | -$215.0M |
| YoY Change | -13.24% | -7.34% | -2.27% |
| % of Operating Profit | -22.15% | -13.55% | -33.59% |
| Other Income/Expense, Net | $1.000M | -$154.0M | -$169.0M |
| YoY Change | -96.0% | -13.48% | -3.43% |
| Pretax Income | $623.0M | $1.337B | $471.0M |
| YoY Change | -1.89% | -14.4% | -51.34% |
| Income Tax | $192.0M | $468.0M | $158.0M |
| % Of Pretax Income | 30.82% | 35.0% | 33.55% |
| Net Earnings | $431.0M | $869.0M | $313.0M |
| YoY Change | 8.02% | -12.49% | -51.02% |
| Net Earnings / Revenue | 10.98% | 17.32% | 7.37% |
| Basic Earnings Per Share | $0.47 | $0.97 | $0.34 |
| Diluted Earnings Per Share | $0.47 | $0.97 | $0.34 |
| COMMON SHARES | |||
| Basic Shares Outstanding | 878.0M shares | 874.0M shares | |
| Diluted Shares Outstanding | 881.0M shares | 879.0M shares |
Balance Sheet
| Concept | 2013 Q4 | 2013 Q3 | 2013 Q2 |
|---|---|---|---|
| SHORT-TERM ASSETS | |||
| Cash & Short-Term Investments | $659.0M | $682.0M | $424.0M |
| YoY Change | 4.94% | -45.7% | -35.66% |
| Cash & Equivalents | $659.0M | $682.0M | $424.0M |
| Short-Term Investments | |||
| Other Short-Term Assets | $39.00M | $33.00M | $35.00M |
| YoY Change | -47.3% | -45.0% | -97.94% |
| Inventory | $2.298B | $2.308B | $2.573B |
| Prepaid Expenses | $278.0M | $418.0M | $700.0M |
| Receivables | $1.009B | $1.273B | $1.148B |
| Other Receivables | $362.0M | $314.0M | $296.0M |
| Total Short-Term Assets | $5.614B | $5.785B | $6.001B |
| YoY Change | -8.89% | -13.61% | -5.84% |
| LONG-TERM ASSETS | |||
| Property, Plant & Equipment | $51.21B | $50.20B | $49.32B |
| YoY Change | 5.82% | 6.19% | 5.91% |
| Goodwill | |||
| YoY Change | |||
| Intangibles | |||
| YoY Change | |||
| Long-Term Investments | |||
| YoY Change | |||
| Other Assets | $618.0M | $586.0M | $547.0M |
| YoY Change | 12.57% | 3.17% | -93.13% |
| Total Long-Term Assets | $58.65B | $58.91B | $57.96B |
| YoY Change | 2.92% | 6.6% | 6.3% |
| TOTAL ASSETS | |||
| Total Short-Term Assets | $5.614B | $5.785B | $6.001B |
| Total Long-Term Assets | $58.65B | $58.91B | $57.96B |
| Total Assets | $64.26B | $64.70B | $63.96B |
| YoY Change | 1.77% | 4.41% | 5.03% |
| SHORT-TERM LIABILITIES | |||
| YoY Change | |||
| Accounts Payable | $1.376B | $1.281B | $1.467B |
| YoY Change | -0.79% | 0.08% | 17.08% |
| Accrued Expenses | $1.227B | $1.234B | $880.0M |
| YoY Change | -3.76% | -2.83% | -14.56% |
| Deferred Revenue | |||
| YoY Change | |||
| Short-Term Debt | $1.482B | $750.0M | $1.587B |
| YoY Change | 79.64% | 123.88% | 250.33% |
| Long-Term Debt Due | $469.0M | $1.307B | $2.085B |
| YoY Change | -79.91% | -46.28% | 0.48% |
| Total Short-Term Liabilities | $5.525B | $5.704B | $7.346B |
| YoY Change | -21.23% | -13.17% | 20.66% |
| LONG-TERM LIABILITIES | |||
| Long-Term Debt | $21.34B | $21.05B | $19.94B |
| YoY Change | 10.74% | 11.07% | 2.49% |
| Other Long-Term Liabilities | $585.0M | $550.0M | $508.0M |
| YoY Change | -12.43% | -14.2% | -91.35% |
| Total Long-Term Liabilities | $585.0M | $550.0M | $508.0M |
| YoY Change | -12.43% | -14.2% | -97.99% |
| TOTAL LIABILITIES | |||
| Total Short-Term Liabilities | $5.525B | $5.704B | $7.346B |
| Total Long-Term Liabilities | $585.0M | $550.0M | $508.0M |
| Total Liabilities | $44.41B | $44.79B | $44.79B |
| YoY Change | 1.46% | 6.03% | 7.43% |
| SHAREHOLDERS EQUITY | |||
| Retained Earnings | $9.510B | $9.543B | $9.135B |
| YoY Change | -1.21% | -1.31% | |
| Common Stock | $9.823B | $9.709B | $9.470B |
| YoY Change | 6.26% | 5.34% | |
| Preferred Stock | |||
| YoY Change | |||
| Treasury Stock (at cost) | $250.0M | $363.0M | $451.0M |
| YoY Change | -44.44% | 166.91% | |
| Treasury Stock Shares | 5.700M shares | 8.100M shares | 10.00M shares |
| Shareholders Equity | $19.01B | $18.78B | $18.04B |
| YoY Change | |||
| Total Liabilities & Shareholders Equity | $64.55B | $64.70B | $63.96B |
| YoY Change | 2.21% | 4.41% | 5.03% |
Cashflow Statement
| Concept | 2013 Q4 | 2013 Q3 | 2013 Q2 |
|---|---|---|---|
| OPERATING ACTIVITIES | |||
| Net Income | $431.0M | $869.0M | $313.0M |
| YoY Change | 8.02% | -12.49% | -51.02% |
| Depreciation, Depletion And Amortization | $573.0M | $585.0M | $572.0M |
| YoY Change | 5.52% | 8.74% | 6.92% |
| Cash From Operating Activities | $1.686B | $2.464B | $1.210B |
| YoY Change | 97.42% | 7.74% | 1.77% |
| INVESTING ACTIVITIES | |||
| Capital Expenditures | -$1.485B | -$1.381B | -$1.400B |
| YoY Change | 18.71% | 14.89% | 24.44% |
| Acquisitions | |||
| YoY Change | |||
| Other Investing Activities | -$155.0M | -$92.00M | $50.00M |
| YoY Change | -2.52% | -139.15% | -120.92% |
| Cash From Investing Activities | -$1.640B | -$1.473B | -$1.350B |
| YoY Change | 16.31% | 52.33% | -1.03% |
| FINANCING ACTIVITIES | |||
| Cash Dividend Paid | |||
| YoY Change | |||
| Common Stock Issuance & Retirement, Net | |||
| YoY Change | |||
| Debt Paid & Issued, Net | |||
| YoY Change | |||
| Cash From Financing Activities | -69.00M | -733.0M | 49.00M |
| YoY Change | -4.17% | 1.38% | -123.33% |
| NET CHANGE | |||
| Cash From Operating Activities | 1.686B | 2.464B | 1.210B |
| Cash From Investing Activities | -1.640B | -1.473B | -1.350B |
| Cash From Financing Activities | -69.00M | -733.0M | 49.00M |
| Net Change In Cash | -23.00M | 258.0M | -91.00M |
| YoY Change | -96.34% | -56.78% | -76.36% |
| FREE CASH FLOW | |||
| Cash From Operating Activities | $1.686B | $2.464B | $1.210B |
| Capital Expenditures | -$1.485B | -$1.381B | -$1.400B |
| Free Cash Flow | $3.171B | $3.845B | $2.610B |
| YoY Change | 50.64% | 10.2% | 12.79% |
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Long Term Debt Maturities Repayments Of Principal In Last Twelve Months
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Long Term Debtand Capital Lease Obligation Maturities Repaymentsin Year Five
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Long Term Debtand Capital Lease Obligation Maturities Repaymentsin Year Four
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Long Term Debtand Capital Lease Obligation Maturities Repaymentsin Year Three
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Long Term Debtand Capital Lease Obligation Maturities Repaymentsin Year Two
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Maximum Aggregate Amount For Each Incident
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19000000 | USD |
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Maximum Amount For Each Licensed Reactor
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127000000 | USD |
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Maximum Coverage Per Occurrence Per Unit Limit To Obtain Replacement Power
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Maximum Percentage Of Transfer Performance Shares To Common Stock Based On Actual Shareholder Return
MaximumPercentageOfTransferPerformanceSharesToCommonStockBasedOnActualShareholderReturn
|
2 | |
| CY2014 | so |
Maximum Percentage Of Uncollectible Accounts
MaximumPercentageOfUncollectibleAccounts
|
0.01 | |
| CY2014Q4 | so |
Maximum Potential Collateral Requirements Arising From Credit Risk Related Contingent Features
MaximumPotentialCollateralRequirementsArisingFromCreditRiskRelatedContingentFeatures
|
54000000 | USD |
| CY2014 | so |
Maximum Revenue From Single Customer Or Industry
MaximumRevenueFromSingleCustomerOrIndustry
|
0.1 | |
| CY2014 | so |
Minimum Percentage Of Transfer Performance Shares To Common Stock Based On Actual Shareholder Return
MinimumPercentageOfTransferPerformanceSharesToCommonStockBasedOnActualShareholderReturn
|
0 | |
| CY2013Q4 | so |
Minority Interest In Percent Of Capitalization
MinorityInterestInPercentOfCapitalization
|
0.018 | |
| CY2014Q4 | so |
Minority Interest In Percent Of Capitalization
MinorityInterestInPercentOfCapitalization
|
0.023 | |
| CY2012 | so |
Mirror Construction Work In Progress
MirrorConstructionWorkInProgress
|
0 | USD |
| CY2013 | so |
Mirror Construction Work In Progress
MirrorConstructionWorkInProgress
|
0 | USD |
| CY2014 | so |
Mirror Construction Work In Progress
MirrorConstructionWorkInProgress
|
180000000 | USD |
| CY2013Q4 | so |
Mirror Construction Work In Progress Balance
MirrorConstructionWorkInProgressBalance
|
0 | USD |
| CY2014Q4 | so |
Mirror Construction Work In Progress Balance
MirrorConstructionWorkInProgressBalance
|
271000000 | USD |
| CY2012Q4 | so |
Net Amount Received Of Insurance Claim In Respect Of Litigation Settlement
NetAmountReceivedOfInsuranceClaimInRespectOfLitigationSettlement
|
19000000 | USD |
| CY2013Q4 | so |
Net Amount Received Of Insurance Claim In Respect Of Litigation Settlement
NetAmountReceivedOfInsuranceClaimInRespectOfLitigationSettlement
|
11000000 | USD |
| CY2012 | so |
Noncash Property Additions Recognized
NoncashPropertyAdditionsRecognized
|
524000000 | USD |
| CY2013 | so |
Noncash Property Additions Recognized
NoncashPropertyAdditionsRecognized
|
411000000 | USD |
| CY2014 | so |
Noncash Property Additions Recognized
NoncashPropertyAdditionsRecognized
|
528000000 | USD |
| CY2014 | so |
Noncontrolling Interest Increasefrom Contributionsfrom Noncontrolling Interest Holders
NoncontrollingInterestIncreasefromContributionsfromNoncontrollingInterestHolders
|
221000000 | USD |
| CY2013Q4 | so |
Nuclear Fuel At Amortized Cost
NuclearFuelAtAmortizedCost
|
855000000 | USD |
| CY2014Q4 | so |
Nuclear Fuel At Amortized Cost
NuclearFuelAtAmortizedCost
|
911000000 | USD |
| CY2014Q4 | so |
Number Of Employees Participating In Stock Option Plan
NumberOfEmployeesParticipatingInStockOptionPlan
|
5437 | Employee |
| CY2014Q4 | so |
Number Of Traditional Operating Companies
NumberOfTraditionalOperatingCompanies
|
4 | |
| CY2014 | so |
Original Maturitiesof Temporary Cash Investments
OriginalMaturitiesofTemporaryCashInvestments
|
P90D | |
| CY2013Q4 | so |
Other Accounts Notes And Loans Receivable
OtherAccountsNotesAndLoansReceivable
|
304000000 | USD |
| CY2014Q4 | so |
Other Accounts Notes And Loans Receivable
OtherAccountsNotesAndLoansReceivable
|
307000000 | USD |
| CY2013Q4 | so |
Other Cost Of Removal Obligations
OtherCostOfRemovalObligations
|
1275000000 | USD |
| CY2014Q4 | so |
Other Cost Of Removal Obligations
OtherCostOfRemovalObligations
|
1215000000 | USD |
| CY2012 | so |
Other Electric Revenues
OtherElectricRevenues
|
616000000 | USD |
| CY2013 | so |
Other Electric Revenues
OtherElectricRevenues
|
639000000 | USD |
| CY2014 | so |
Other Electric Revenues
OtherElectricRevenues
|
672000000 | USD |
| CY2013Q4 | so |
Other Regulatory Assets Current
OtherRegulatoryAssetsCurrent
|
207000000 | USD |
| CY2014Q4 | so |
Other Regulatory Assets Current
OtherRegulatoryAssetsCurrent
|
346000000 | USD |
| CY2013Q4 | so |
Other Regulatory Assets Deferred
OtherRegulatoryAssetsDeferred
|
2495000000 | USD |
| CY2014Q4 | so |
Other Regulatory Assets Deferred
OtherRegulatoryAssetsDeferred
|
4334000000 | USD |
| CY2013Q4 | so |
Other Regulatory Liabilities Current
OtherRegulatoryLiabilitiesCurrent
|
82000000 | USD |
| CY2014Q4 | so |
Other Regulatory Liabilities Current
OtherRegulatoryLiabilitiesCurrent
|
26000000 | USD |
| CY2013Q4 | so |
Other Regulatory Liabilities Deferred
OtherRegulatoryLiabilitiesDeferred
|
479000000 | USD |
| CY2014Q4 | so |
Other Regulatory Liabilities Deferred
OtherRegulatoryLiabilitiesDeferred
|
398000000 | USD |
| CY2013Q4 | so |
Other Utility Plant Net
OtherUtilityPlantNet
|
240000000 | USD |
| CY2014Q4 | so |
Other Utility Plant Net
OtherUtilityPlantNet
|
211000000 | USD |
| CY2012 | so |
Payments For Investment In Restricted Cash
PaymentsForInvestmentInRestrictedCash
|
280000000 | USD |
| CY2013 | so |
Payments For Investment In Restricted Cash
PaymentsForInvestmentInRestrictedCash
|
149000000 | USD |
| CY2014 | so |
Payments For Investment In Restricted Cash
PaymentsForInvestmentInRestrictedCash
|
11000000 | USD |
| CY2014 | so |
Period Over Which Company Has Elected To Amortize Changes In Market Value Of All Plan Assets
PeriodOverWhichCompanyHasElectedToAmortizeChangesInMarketValueOfAllPlanAssets
|
P5Y | |
| CY2013Q4 | so |
Plant In Service Net Of Depreciation
PlantInServiceNetOfDepreciation
|
42962000000 | USD |
| CY2014Q4 | so |
Plant In Service Net Of Depreciation
PlantInServiceNetOfDepreciation
|
45954000000 | USD |
| CY2013Q4 | so |
Portion Included In Current Tax Liabilities Current Tax Assets Net
PortionIncludedInCurrentTaxLiabilitiesCurrentTaxAssetsNet
|
143000000 | USD |
| CY2014Q4 | so |
Portion Included In Current Tax Liabilities Current Tax Assets Net
PortionIncludedInCurrentTaxLiabilitiesCurrentTaxAssetsNet
|
504000000 | USD |
| CY2012 | so |
Prepaid Long Term Service Agreement
PrepaidLongTermServiceAgreement
|
146000000 | USD |
| CY2013 | so |
Prepaid Long Term Service Agreement
PrepaidLongTermServiceAgreement
|
91000000 | USD |
| CY2014 | so |
Prepaid Long Term Service Agreement
PrepaidLongTermServiceAgreement
|
181000000 | USD |
| CY2014Q4 | so |
Previously Recorded Asset Retirement Obligation
PreviouslyRecordedAssetRetirementObligation
|
506000000 | USD |
| CY2012 | so |
Proceeds From Distribution Of Restricted Cash
ProceedsFromDistributionOfRestrictedCash
|
284000000 | USD |
| CY2013 | so |
Proceeds From Distribution Of Restricted Cash
ProceedsFromDistributionOfRestrictedCash
|
96000000 | USD |
| CY2014 | so |
Proceeds From Distribution Of Restricted Cash
ProceedsFromDistributionOfRestrictedCash
|
57000000 | USD |
| CY2012 | so |
Proceeds From Sale Of Securities Held In External Trust Funds
ProceedsFromSaleOfSecuritiesHeldInExternalTrustFunds
|
1000000000 | USD |
| CY2013 | so |
Proceeds From Sale Of Securities Held In External Trust Funds
ProceedsFromSaleOfSecuritiesHeldInExternalTrustFunds
|
1000000000 | USD |
| CY2014 | so |
Proceeds From Sale Of Securities Held In External Trust Funds
ProceedsFromSaleOfSecuritiesHeldInExternalTrustFunds
|
913000000 | USD |
| CY2013Q4 | so |
Public Utilities Property Plant And Equipment Communications Equipment
PublicUtilitiesPropertyPlantAndEquipmentCommunicationsEquipment
|
437000000 | USD |
| CY2014Q4 | so |
Public Utilities Property Plant And Equipment Communications Equipment
PublicUtilitiesPropertyPlantAndEquipmentCommunicationsEquipment
|
439000000 | USD |
| CY2013Q4 | so |
Public Utilities Property Plant And Equipment General
PublicUtilitiesPropertyPlantAndEquipmentGeneral
|
3958000000 | USD |
| CY2014Q4 | so |
Public Utilities Property Plant And Equipment General
PublicUtilitiesPropertyPlantAndEquipmentGeneral
|
4198000000 | USD |
| CY2013Q4 | so |
Public Utilities Property Plant And Equipment It Equipment And Software
PublicUtilitiesPropertyPlantAndEquipmentItEquipmentAndSoftware
|
242000000 | USD |
| CY2014Q4 | so |
Public Utilities Property Plant And Equipment It Equipment And Software
PublicUtilitiesPropertyPlantAndEquipmentItEquipmentAndSoftware
|
244000000 | USD |
| CY2013Q4 | so |
Public Utilities Property Plant And Equipment Other
PublicUtilitiesPropertyPlantAndEquipmentOther
|
113000000 | USD |
| CY2014Q4 | so |
Public Utilities Property Plant And Equipment Other
PublicUtilitiesPropertyPlantAndEquipmentOther
|
110000000 | USD |
| CY2014Q4 | so |
Ratio Of Indebtedness To Capitalization Covenant
RatioOfIndebtednessToCapitalizationCovenant
|
0.65 | |
| CY2013Q4 | so |
Redeemable Noncontrolling Interest As Percent Of Capitalization
RedeemableNoncontrollingInterestAsPercentOfCapitalization
|
0.000 | |
| CY2014Q4 | so |
Redeemable Noncontrolling Interest As Percent Of Capitalization
RedeemableNoncontrollingInterestAsPercentOfCapitalization
|
0.001 | |
| CY2012 | so |
Reduction Of Income Tax Expense
ReductionOfIncomeTaxExpense
|
8000000 | USD |
| CY2013 | so |
Reduction Of Income Tax Expense
ReductionOfIncomeTaxExpense
|
31000000 | USD |
| CY2014 | so |
Reduction Of Income Tax Expense
ReductionOfIncomeTaxExpense
|
48000000 | USD |
| CY2013Q4 | so |
Regulatory Hedge Unrealized Gain
RegulatoryHedgeUnrealizedGain
|
23000000 | USD |
| CY2013Q1 | so |
Trading Price Range Per Common Share High
TradingPriceRangePerCommonShareHigh
|
46.95 | |
| CY2013Q2 | so |
Trading Price Range Per Common Share High
TradingPriceRangePerCommonShareHigh
|
48.74 | |
| CY2014Q4 | so |
Regulatory Hedge Unrealized Gain
RegulatoryHedgeUnrealizedGain
|
7000000 | USD |
| CY2013Q4 | so |
Regulatory Hedge Unrealized Loss
RegulatoryHedgeUnrealizedLoss
|
55000000 | USD |
| CY2014Q4 | so |
Regulatory Hedge Unrealized Loss
RegulatoryHedgeUnrealizedLoss
|
197000000 | USD |
| CY2014 | so |
Remarketed Pollution Control Bonds
RemarketedPollutionControlBonds
|
476000000 | USD |
| CY2012 | so |
Retail Revenues
RetailRevenues
|
14187000000 | USD |
| CY2013 | so |
Retail Revenues
RetailRevenues
|
14541000000 | USD |
| CY2014 | so |
Retail Revenues
RetailRevenues
|
15550000000 | USD |
| CY2014 | so |
Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Reserved For Issuance Pursuant To Stock Based Compensation Plan
ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesReservedForIssuancePursuantToStockBasedCompensationPlan
|
93000000 | shares |
| CY2013Q4 | so |
Short Term Borrowings Excluding Other Energy Service Contracts
ShortTermBorrowingsExcludingOtherEnergyServiceContracts
|
1482000000 | USD |
| CY2014Q4 | so |
Short Term Borrowings Excluding Other Energy Service Contracts
ShortTermBorrowingsExcludingOtherEnergyServiceContracts
|
803000000 | USD |
| CY2014 | so |
Significantly Increase Or Decrease In Amount Of Unrecognized Tax Benefits
SignificantlyIncreaseOrDecreaseInAmountOfUnrecognizedTaxBenefits
|
P12M | |
| CY2014 | so |
State Investment Tax Credit
StateInvestmentTaxCredit
|
159000000 | USD |
| CY2014 | so |
Stock Issued During Period Shares Company Investment Plan And Employee And Director Stock Plans
StockIssuedDuringPeriodSharesCompanyInvestmentPlanAndEmployeeAndDirectorStockPlans
|
20800000 | shares |
| CY2012Q4 | so |
Tax Positions Not Impacting Effective Tax Rate
TaxPositionsNotImpactingEffectiveTaxRate
|
65000000 | USD |
| CY2013Q4 | so |
Tax Positions Not Impacting Effective Tax Rate
TaxPositionsNotImpactingEffectiveTaxRate
|
0 | USD |
| CY2014Q4 | so |
Tax Positions Not Impacting Effective Tax Rate
TaxPositionsNotImpactingEffectiveTaxRate
|
160000000 | USD |
| CY2013Q4 | so |
Temporary Equity Carrying Amount In Percent Of Capitalization
TemporaryEquityCarryingAmountInPercentOfCapitalization
|
0.009 | |
| CY2014Q4 | so |
Temporary Equity Carrying Amount In Percent Of Capitalization
TemporaryEquityCarryingAmountInPercentOfCapitalization
|
0.009 | |
| CY2013Q3 | so |
Trading Price Range Per Common Share High
TradingPriceRangePerCommonShareHigh
|
45.75 | |
| CY2013Q4 | so |
Trading Price Range Per Common Share High
TradingPriceRangePerCommonShareHigh
|
42.94 | |
| CY2014Q1 | so |
Trading Price Range Per Common Share High
TradingPriceRangePerCommonShareHigh
|
44 | |
| CY2014Q2 | so |
Trading Price Range Per Common Share High
TradingPriceRangePerCommonShareHigh
|
46.81 | |
| CY2014Q3 | so |
Trading Price Range Per Common Share High
TradingPriceRangePerCommonShareHigh
|
45.47 | |
| CY2014Q4 | so |
Trading Price Range Per Common Share High
TradingPriceRangePerCommonShareHigh
|
51.28 | |
| CY2013Q1 | so |
Trading Price Range Per Common Share Low
TradingPriceRangePerCommonShareLow
|
42.82 | |
| CY2013Q2 | so |
Trading Price Range Per Common Share Low
TradingPriceRangePerCommonShareLow
|
42.32 | |
| CY2013Q3 | so |
Trading Price Range Per Common Share Low
TradingPriceRangePerCommonShareLow
|
40.63 | |
| CY2013Q4 | so |
Trading Price Range Per Common Share Low
TradingPriceRangePerCommonShareLow
|
40.03 | |
| CY2014Q1 | so |
Trading Price Range Per Common Share Low
TradingPriceRangePerCommonShareLow
|
40.27 | |
| CY2014Q2 | so |
Trading Price Range Per Common Share Low
TradingPriceRangePerCommonShareLow
|
42.55 | |
| CY2014Q3 | so |
Trading Price Range Per Common Share Low
TradingPriceRangePerCommonShareLow
|
41.87 | |
| CY2014Q4 | so |
Trading Price Range Per Common Share Low
TradingPriceRangePerCommonShareLow
|
43.55 | |
| CY2013Q4 | so |
Unbilled Revenues Current
UnbilledRevenuesCurrent
|
448000000 | USD |
| CY2014Q4 | so |
Unbilled Revenues Current
UnbilledRevenuesCurrent
|
432000000 | USD |
| CY2013Q4 | so |
Under Recovered Regulatory Clause Revenues
UnderRecoveredRegulatoryClauseRevenues
|
58000000 | USD |
| CY2014Q4 | so |
Under Recovered Regulatory Clause Revenues
UnderRecoveredRegulatoryClauseRevenues
|
136000000 | USD |
| CY2014 | so |
Undistributed Retained Earnings Of Subsidiaries
UndistributedRetainedEarningsOfSubsidiaries
|
6400000000 | USD |
| CY2013Q4 | so |
Utility Plant In Service
UtilityPlantInService
|
65229000000 | USD |
| CY2014Q4 | so |
Utility Plant In Service
UtilityPlantInService
|
69220000000 | USD |
| CY2013Q4 | so |
Vacation Pay
VacationPay
|
171000000 | USD |
| CY2014Q4 | so |
Vacation Pay
VacationPay
|
177000000 | USD |
| CY2012 | so |
Wholesale Revenues
WholesaleRevenues
|
1675000000 | USD |
| CY2013 | so |
Wholesale Revenues
WholesaleRevenues
|
1855000000 | USD |
| CY2014 | so |
Wholesale Revenues
WholesaleRevenues
|
2184000000 | USD |
| CY2013Q4 | us-gaap |
Accounts Payable Current
AccountsPayableCurrent
|
1376000000 | USD |
| CY2014Q4 | us-gaap |
Accounts Payable Current
AccountsPayableCurrent
|
1593000000 | USD |
| CY2013Q4 | us-gaap |
Accounts Receivable Gross Current
AccountsReceivableGrossCurrent
|
1027000000 | USD |
| CY2014Q4 | us-gaap |
Accounts Receivable Gross Current
AccountsReceivableGrossCurrent
|
1090000000 | USD |
| CY2013Q4 | us-gaap |
Accrual For Taxes Other Than Income Taxes Current
AccrualForTaxesOtherThanIncomeTaxesCurrent
|
456000000 | USD |
| CY2014Q4 | us-gaap |
Accrual For Taxes Other Than Income Taxes Current
AccrualForTaxesOtherThanIncomeTaxesCurrent
|
487000000 | USD |
| CY2014Q4 | us-gaap |
Accrued Capping Closure Post Closure And Environmental Costs
AccruedCappingClosurePostClosureAndEnvironmentalCosts
|
860000000 | USD |
| CY2013Q4 | us-gaap |
Accrued Income Taxes Current
AccruedIncomeTaxesCurrent
|
13000000 | USD |
| CY2014Q4 | us-gaap |
Accrued Income Taxes Current
AccruedIncomeTaxesCurrent
|
151000000 | USD |
| CY2013Q4 | us-gaap |
Accrued Salaries Current
AccruedSalariesCurrent
|
303000000 | USD |
| CY2014Q4 | us-gaap |
Accrued Salaries Current
AccruedSalariesCurrent
|
576000000 | USD |
| CY2013Q4 | us-gaap |
Accrued Vacation Current
AccruedVacationCurrent
|
217000000 | USD |
| CY2014Q4 | us-gaap |
Accrued Vacation Current
AccruedVacationCurrent
|
223000000 | USD |
| CY2013Q4 | us-gaap |
Accumulated Deferred Investment Tax Credit
AccumulatedDeferredInvestmentTaxCredit
|
966000000 | USD |
| CY2014Q4 | us-gaap |
Accumulated Deferred Investment Tax Credit
AccumulatedDeferredInvestmentTaxCredit
|
1208000000 | USD |
| CY2013Q4 | us-gaap |
Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
|
23059000000 | USD |
| CY2014Q4 | us-gaap |
Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
|
24059000000 | USD |
| CY2013Q4 | us-gaap |
Accumulated Other Comprehensive Income Loss Net Of Tax
AccumulatedOtherComprehensiveIncomeLossNetOfTax
|
-75000000 | USD |
| CY2014Q4 | us-gaap |
Accumulated Other Comprehensive Income Loss Net Of Tax
AccumulatedOtherComprehensiveIncomeLossNetOfTax
|
-128000000 | USD |
| CY2013Q4 | us-gaap |
Additional Paid In Capital Common Stock
AdditionalPaidInCapitalCommonStock
|
5362000000 | USD |
| CY2014Q4 | us-gaap |
Additional Paid In Capital Common Stock
AdditionalPaidInCapitalCommonStock
|
5955000000 | USD |
| CY2012 | us-gaap |
Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value
AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
|
106000000 | USD |
| CY2013 | us-gaap |
Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value
AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
|
65000000 | USD |
| CY2014 | us-gaap |
Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value
AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
|
86000000 | USD |
| CY2012 | us-gaap |
Allocated Share Based Compensation Expense
AllocatedShareBasedCompensationExpense
|
23000000 | USD |
| CY2013 | us-gaap |
Allocated Share Based Compensation Expense
AllocatedShareBasedCompensationExpense
|
25000000 | USD |
| CY2014 | us-gaap |
Allocated Share Based Compensation Expense
AllocatedShareBasedCompensationExpense
|
27000000 | USD |
| CY2013Q4 | us-gaap |
Allowance For Doubtful Accounts Receivable Current
AllowanceForDoubtfulAccountsReceivableCurrent
|
18000000 | USD |
| CY2014Q4 | us-gaap |
Allowance For Doubtful Accounts Receivable Current
AllowanceForDoubtfulAccountsReceivableCurrent
|
18000000 | USD |
| CY2013 | us-gaap |
Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount
AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
|
16000000 | shares |
| CY2014 | us-gaap |
Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount
AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
|
7000000 | shares |
| CY2012Q4 | us-gaap |
Asset Retirement Obligation
AssetRetirementObligation
|
1757000000 | USD |
| CY2013Q4 | us-gaap |
Asset Retirement Obligation
AssetRetirementObligation
|
2018000000 | USD |
| CY2014Q4 | us-gaap |
Asset Retirement Obligation
AssetRetirementObligation
|
2201000000 | USD |
| CY2013 | us-gaap |
Asset Retirement Obligation Accretion Expense
AssetRetirementObligationAccretionExpense
|
97000000 | USD |
| CY2014 | us-gaap |
Asset Retirement Obligation Accretion Expense
AssetRetirementObligationAccretionExpense
|
102000000 | USD |
| CY2013 | us-gaap |
Asset Retirement Obligation Liabilities Incurred
AssetRetirementObligationLiabilitiesIncurred
|
6000000 | USD |
| CY2014 | us-gaap |
Asset Retirement Obligation Liabilities Incurred
AssetRetirementObligationLiabilitiesIncurred
|
18000000 | USD |
| CY2013 | us-gaap |
Asset Retirement Obligation Liabilities Settled
AssetRetirementObligationLiabilitiesSettled
|
16000000 | USD |
| CY2014 | us-gaap |
Asset Retirement Obligation Liabilities Settled
AssetRetirementObligationLiabilitiesSettled
|
17000000 | USD |
| CY2013 | us-gaap |
Asset Retirement Obligation Revision Of Estimate
AssetRetirementObligationRevisionOfEstimate
|
174000000 | USD |
| CY2014 | us-gaap |
Asset Retirement Obligation Revision Of Estimate
AssetRetirementObligationRevisionOfEstimate
|
80000000 | USD |
| CY2013Q4 | us-gaap |
Asset Retirement Obligations Noncurrent
AssetRetirementObligationsNoncurrent
|
2006000000 | USD |
| CY2014Q4 | us-gaap |
Asset Retirement Obligations Noncurrent
AssetRetirementObligationsNoncurrent
|
2168000000 | USD |
| CY2012Q4 | us-gaap |
Assets
Assets
|
63149000000 | USD |
| CY2013Q4 | us-gaap |
Assets
Assets
|
64546000000 | USD |
| CY2014Q4 | us-gaap |
Assets
Assets
|
70923000000 | USD |
| CY2013Q4 | us-gaap |
Assets Current
AssetsCurrent
|
5614000000 | USD |
| CY2014Q4 | us-gaap |
Assets Current
AssetsCurrent
|
6370000000 | USD |
| CY2013Q4 | us-gaap |
Capital Lease Obligations
CapitalLeaseObligations
|
163000000 | USD |
| CY2014Q4 | us-gaap |
Capital Lease Obligations
CapitalLeaseObligations
|
159000000 | USD |
| CY2013Q4 | us-gaap |
Capital Lease Obligations Current
CapitalLeaseObligationsCurrent
|
29000000 | USD |
| CY2014Q4 | us-gaap |
Capital Lease Obligations Current
CapitalLeaseObligationsCurrent
|
31000000 | USD |
| CY2013Q4 | us-gaap |
Capital Leases Balance Sheet Assets By Major Class Net
CapitalLeasesBalanceSheetAssetsByMajorClassNet
|
164000000 | USD |
| CY2014Q4 | us-gaap |
Capital Leases Balance Sheet Assets By Major Class Net
CapitalLeasesBalanceSheetAssetsByMajorClassNet
|
161000000 | USD |
| CY2013Q4 | us-gaap |
Capital Leases Lessee Balance Sheet Assets By Major Class Accumulated Deprecation
CapitalLeasesLesseeBalanceSheetAssetsByMajorClassAccumulatedDeprecation
|
48000000 | USD |
| CY2014Q4 | us-gaap |
Capital Leases Lessee Balance Sheet Assets By Major Class Accumulated Deprecation
CapitalLeasesLesseeBalanceSheetAssetsByMajorClassAccumulatedDeprecation
|
49000000 | USD |
| CY2013Q4 | us-gaap |
Capitalization Longterm Debt And Equity
CapitalizationLongtermDebtAndEquity
|
41483000000 | USD |
| CY2014Q4 | us-gaap |
Capitalization Longterm Debt And Equity
CapitalizationLongtermDebtAndEquity
|
42181000000 | USD |
| CY2011Q4 | us-gaap |
Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
|
1315000000 | USD |
| CY2012Q4 | us-gaap |
Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
|
628000000 | USD |
| CY2013Q4 | us-gaap |
Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
|
659000000 | USD |
| CY2014Q4 | us-gaap |
Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
|
710000000 | USD |
| CY2012 | us-gaap |
Cash And Cash Equivalents Period Increase Decrease
CashAndCashEquivalentsPeriodIncreaseDecrease
|
-687000000 | USD |
| CY2013 | us-gaap |
Cash And Cash Equivalents Period Increase Decrease
CashAndCashEquivalentsPeriodIncreaseDecrease
|
31000000 | USD |
| CY2014 | us-gaap |
Cash And Cash Equivalents Period Increase Decrease
CashAndCashEquivalentsPeriodIncreaseDecrease
|
51000000 | USD |
| CY2013Q4 | us-gaap |
Commitments And Contingencies
CommitmentsAndContingencies
|
USD | |
| CY2014Q4 | us-gaap |
Commitments And Contingencies
CommitmentsAndContingencies
|
USD | |
| CY2012 | us-gaap |
Common Stock Dividends Per Share Cash Paid
CommonStockDividendsPerShareCashPaid
|
1.9425 | |
| CY2013Q1 | us-gaap |
Common Stock Dividends Per Share Cash Paid
CommonStockDividendsPerShareCashPaid
|
0.4900 | |
| CY2013Q2 | us-gaap |
Common Stock Dividends Per Share Cash Paid
CommonStockDividendsPerShareCashPaid
|
0.5075 | |
| CY2013Q3 | us-gaap |
Common Stock Dividends Per Share Cash Paid
CommonStockDividendsPerShareCashPaid
|
0.5075 | |
| CY2013Q4 | us-gaap |
Common Stock Dividends Per Share Cash Paid
CommonStockDividendsPerShareCashPaid
|
0.5075 | |
| CY2013 | us-gaap |
Common Stock Dividends Per Share Cash Paid
CommonStockDividendsPerShareCashPaid
|
2.0125 | |
| CY2014Q1 | us-gaap |
Common Stock Dividends Per Share Cash Paid
CommonStockDividendsPerShareCashPaid
|
0.5075 | |
| CY2014Q2 | us-gaap |
Common Stock Dividends Per Share Cash Paid
CommonStockDividendsPerShareCashPaid
|
0.525 | |
| CY2014Q3 | us-gaap |
Common Stock Dividends Per Share Cash Paid
CommonStockDividendsPerShareCashPaid
|
0.525 | |
| CY2014Q4 | us-gaap |
Common Stock Dividends Per Share Cash Paid
CommonStockDividendsPerShareCashPaid
|
0.525 | |
| CY2014 | us-gaap |
Common Stock Dividends Per Share Cash Paid
CommonStockDividendsPerShareCashPaid
|
2.0825 | |
| CY2013Q4 | us-gaap |
Common Stock Par Or Stated Value Per Share
CommonStockParOrStatedValuePerShare
|
5 | |
| CY2014Q4 | us-gaap |
Common Stock Par Or Stated Value Per Share
CommonStockParOrStatedValuePerShare
|
5 | |
| CY2013Q4 | us-gaap |
Common Stock Shares Authorized
CommonStockSharesAuthorized
|
1500000000 | shares |
| CY2014Q4 | us-gaap |
Common Stock Shares Authorized
CommonStockSharesAuthorized
|
1500000000 | shares |
| CY2013Q4 | us-gaap |
Common Stock Shares Issued
CommonStockSharesIssued
|
893000000 | shares |
| CY2014Q4 | us-gaap |
Common Stock Shares Issued
CommonStockSharesIssued
|
909000000 | shares |
| CY2013Q4 | us-gaap |
Common Stock Value
CommonStockValue
|
4461000000 | USD |
| CY2014Q4 | us-gaap |
Common Stock Value
CommonStockValue
|
4539000000 | USD |
| CY2012 | us-gaap |
Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest
ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest
|
2338000000 | USD |
| CY2013 | us-gaap |
Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest
ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest
|
1692000000 | USD |
| CY2014 | us-gaap |
Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest
ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest
|
1910000000 | USD |
| CY2013Q4 | us-gaap |
Construction In Progress Gross
ConstructionInProgressGross
|
7151000000 | USD |
| CY2014Q4 | us-gaap |
Construction In Progress Gross
ConstructionInProgressGross
|
7792000000 | USD |
| CY2012 | us-gaap |
Cost Of Purchased Power
CostOfPurchasedPower
|
544000000 | USD |
| CY2013 | us-gaap |
Cost Of Purchased Power
CostOfPurchasedPower
|
461000000 | USD |
| CY2014 | us-gaap |
Cost Of Purchased Power
CostOfPurchasedPower
|
672000000 | USD |
| CY2012 | us-gaap |
Costs And Expenses
CostsAndExpenses
|
12074000000 | USD |
| CY2013 | us-gaap |
Costs And Expenses
CostsAndExpenses
|
13832000000 | USD |
| CY2014 | us-gaap |
Costs And Expenses
CostsAndExpenses
|
14825000000 | USD |
| CY2012 | us-gaap |
Current Federal Tax Expense Benefit
CurrentFederalTaxExpenseBenefit
|
177000000 | USD |
| CY2013 | us-gaap |
Current Federal Tax Expense Benefit
CurrentFederalTaxExpenseBenefit
|
363000000 | USD |
| CY2014 | us-gaap |
Current Federal Tax Expense Benefit
CurrentFederalTaxExpenseBenefit
|
175000000 | USD |
| CY2012 | us-gaap |
Current State And Local Tax Expense Benefit
CurrentStateAndLocalTaxExpenseBenefit
|
61000000 | USD |
| CY2013 | us-gaap |
Current State And Local Tax Expense Benefit
CurrentStateAndLocalTaxExpenseBenefit
|
-10000000 | USD |
| CY2014 | us-gaap |
Current State And Local Tax Expense Benefit
CurrentStateAndLocalTaxExpenseBenefit
|
93000000 | USD |
| CY2013Q4 | us-gaap |
Customer Deposits Current
CustomerDepositsCurrent
|
380000000 | USD |
| CY2014Q4 | us-gaap |
Customer Deposits Current
CustomerDepositsCurrent
|
390000000 | USD |
| CY2013Q4 | us-gaap |
Debt Instrument Carrying Amount
DebtInstrumentCarryingAmount
|
21650000000 | USD |
| CY2014Q4 | us-gaap |
Debt Instrument Carrying Amount
DebtInstrumentCarryingAmount
|
24015000000 | USD |
| CY2014Q2 | us-gaap |
Debt Instrument Description Of Variable Rate Basis
DebtInstrumentDescriptionOfVariableRateBasis
|
one-month | |
| CY2014 | us-gaap |
Debt Instrument Description Of Variable Rate Basis
DebtInstrumentDescriptionOfVariableRateBasis
|
one-month | |
| CY2013Q4 | us-gaap |
Debt Instrument Fair Value
DebtInstrumentFairValue
|
22197000000 | USD |
| CY2014Q4 | us-gaap |
Debt Instrument Fair Value
DebtInstrumentFairValue
|
25816000000 | USD |
| CY2013Q4 | us-gaap |
Debt Instrument Unamortized Discount
DebtInstrumentUnamortizedDiscount
|
30000000 | USD |
| CY2014Q4 | us-gaap |
Debt Instrument Unamortized Discount
DebtInstrumentUnamortizedDiscount
|
33000000 | USD |
| CY2013Q4 | us-gaap |
Debt Instrument Unamortized Premium
DebtInstrumentUnamortizedPremium
|
79000000 | USD |
| CY2014Q4 | us-gaap |
Debt Instrument Unamortized Premium
DebtInstrumentUnamortizedPremium
|
69000000 | USD |
| CY2013Q4 | us-gaap |
Decommissioning Fund Investments
DecommissioningFundInvestments
|
1465000000 | USD |
| CY2014Q4 | us-gaap |
Decommissioning Fund Investments
DecommissioningFundInvestments
|
1546000000 | USD |
| CY2013Q4 | us-gaap |
Deferred Credits And Other Liabilities
DeferredCreditsAndOtherLiabilities
|
17538000000 | USD |
| CY2014Q4 | us-gaap |
Deferred Credits And Other Liabilities
DeferredCreditsAndOtherLiabilities
|
19775000000 | USD |
| CY2012 | us-gaap |
Deferred Federal Income Tax Expense Benefit
DeferredFederalIncomeTaxExpenseBenefit
|
1011000000 | USD |
| CY2013 | us-gaap |
Deferred Federal Income Tax Expense Benefit
DeferredFederalIncomeTaxExpenseBenefit
|
386000000 | USD |
| CY2014 | us-gaap |
Deferred Federal Income Tax Expense Benefit
DeferredFederalIncomeTaxExpenseBenefit
|
695000000 | USD |
| CY2012 | us-gaap |
Deferred Income Tax Expense Benefit
DeferredIncomeTaxExpenseBenefit
|
1096000000 | USD |
| CY2013 | us-gaap |
Deferred Income Tax Expense Benefit
DeferredIncomeTaxExpenseBenefit
|
496000000 | USD |
| CY2014 | us-gaap |
Deferred Income Tax Expense Benefit
DeferredIncomeTaxExpenseBenefit
|
709000000 | USD |
| CY2013Q4 | us-gaap |
Deferred Income Tax Liabilities
DeferredIncomeTaxLiabilities
|
13995000000 | USD |
| CY2014Q4 | us-gaap |
Deferred Income Tax Liabilities
DeferredIncomeTaxLiabilities
|
16256000000 | USD |
| CY2012 | us-gaap |
Deferred State And Local Income Tax Expense Benefit
DeferredStateAndLocalIncomeTaxExpenseBenefit
|
85000000 | USD |
| CY2013 | us-gaap |
Deferred State And Local Income Tax Expense Benefit
DeferredStateAndLocalIncomeTaxExpenseBenefit
|
110000000 | USD |
| CY2014 | us-gaap |
Deferred State And Local Income Tax Expense Benefit
DeferredStateAndLocalIncomeTaxExpenseBenefit
|
14000000 | USD |
| CY2013Q4 | us-gaap |
Deferred Tax Assets Gross
DeferredTaxAssetsGross
|
3624000000 | USD |
| CY2014Q4 | us-gaap |
Deferred Tax Assets Gross
DeferredTaxAssetsGross
|
5241000000 | USD |
| CY2013Q4 | us-gaap |
Deferred Tax Assets Liabilities Net
DeferredTaxAssetsLiabilitiesNet
|
3575000000 | USD |
| CY2014Q4 | us-gaap |
Deferred Tax Assets Liabilities Net
DeferredTaxAssetsLiabilitiesNet
|
5192000000 | USD |
| CY2013Q4 | us-gaap |
Deferred Tax Assets Liabilities Net Current
DeferredTaxAssetsLiabilitiesNetCurrent
|
143000000 | USD |
| CY2014Q4 | us-gaap |
Deferred Tax Assets Liabilities Net Current
DeferredTaxAssetsLiabilitiesNetCurrent
|
506000000 | USD |
| CY2014Q4 | us-gaap |
Deferred Tax Assets Operating Loss Carryforwards State And Local
DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal
|
41000000 | USD |
| CY2014 | us-gaap |
Depreciation Amortization And Accretion Net
DepreciationAmortizationAndAccretionNet
|
2293000000 | USD |
| CY2013Q4 | us-gaap |
Derivative Fair Value Of Derivative Asset
DerivativeFairValueOfDerivativeAsset
|
27000000 | USD |
| CY2014Q4 | us-gaap |
Deferred Tax Assets Regulatory Assets And Liabilities
DeferredTaxAssetsRegulatoryAssetsAndLiabilities
|
1500000000 | USD |
| CY2013Q4 | us-gaap |
Deferred Tax Assets Valuation Allowance
DeferredTaxAssetsValuationAllowance
|
49000000 | USD |
| CY2014Q4 | us-gaap |
Deferred Tax Assets Valuation Allowance
DeferredTaxAssetsValuationAllowance
|
49000000 | USD |
| CY2013Q4 | us-gaap |
Deferred Tax Liabilities
DeferredTaxLiabilities
|
10420000000 | USD |
| CY2014Q4 | us-gaap |
Deferred Tax Liabilities
DeferredTaxLiabilities
|
11064000000 | USD |
| CY2013Q4 | us-gaap |
Deferred Tax Liabilities Noncurrent
DeferredTaxLiabilitiesNoncurrent
|
10563000000 | USD |
| CY2014Q4 | us-gaap |
Deferred Tax Liabilities Noncurrent
DeferredTaxLiabilitiesNoncurrent
|
11568000000 | USD |
| CY2014Q4 | us-gaap |
Deferred Tax Liabilities Regulatory Assets And Liabilities
DeferredTaxLiabilitiesRegulatoryAssetsAndLiabilities
|
192000000 | USD |
| CY2013Q4 | us-gaap |
Defined Benefit Plan Accumulated Benefit Obligation
DefinedBenefitPlanAccumulatedBenefitObligation
|
8100000000 | USD |
| CY2014Q4 | us-gaap |
Defined Benefit Plan Accumulated Benefit Obligation
DefinedBenefitPlanAccumulatedBenefitObligation
|
10000000000 | USD |
| CY2011 | us-gaap |
Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Rate Of Compensation Increase
DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncrease
|
0.0384 | |
| CY2012 | us-gaap |
Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Rate Of Compensation Increase
DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncrease
|
0.0359 | |
| CY2013 | us-gaap |
Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Rate Of Compensation Increase
DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncrease
|
0.0359 | |
| CY2014 | us-gaap |
Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Rate Of Compensation Increase
DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncrease
|
0.0359 | |
| CY2014 | us-gaap |
Defined Benefit Plan Effect Of One Percentage Point Decrease On Accumulated Postretirement Benefit Obligation1
DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnAccumulatedPostretirementBenefitObligation1
|
117000000 | USD |
| CY2014 | us-gaap |
Defined Benefit Plan Effect Of One Percentage Point Decrease On Service And Interest Cost Components1
DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnServiceAndInterestCostComponents1
|
5000000 | USD |
| CY2014 | us-gaap |
Defined Benefit Plan Effect Of One Percentage Point Increase On Accumulated Postretirement Benefit Obligation
DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnAccumulatedPostretirementBenefitObligation
|
140000000 | USD |
| CY2014 | us-gaap |
Defined Benefit Plan Effect Of One Percentage Point Increase On Service And Interest Cost Components
DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnServiceAndInterestCostComponents
|
6000000 | USD |
| CY2012 | us-gaap |
Depreciation Amortization And Accretion Net
DepreciationAmortizationAndAccretionNet
|
2145000000 | USD |
| CY2013 | us-gaap |
Depreciation Amortization And Accretion Net
DepreciationAmortizationAndAccretionNet
|
2298000000 | USD |
| CY2014Q4 | us-gaap |
Derivative Fair Value Of Derivative Asset
DerivativeFairValueOfDerivativeAsset
|
21000000 | USD |
| CY2013Q4 | us-gaap |
Derivative Fair Value Of Derivative Liability
DerivativeFairValueOfDerivativeLiability
|
56000000 | USD |
| CY2014Q4 | us-gaap |
Derivative Fair Value Of Derivative Liability
DerivativeFairValueOfDerivativeLiability
|
225000000 | USD |
| CY2012 | us-gaap |
Dividends Common Stock Cash
DividendsCommonStockCash
|
1693000000 | USD |
| CY2013 | us-gaap |
Dividends Common Stock Cash
DividendsCommonStockCash
|
1762000000 | USD |
| CY2014 | us-gaap |
Dividends Common Stock Cash
DividendsCommonStockCash
|
1866000000 | USD |
| CY2012 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
2.70 | |
| CY2013Q1 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
0.09 | |
| CY2013Q2 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
0.34 | |
| CY2013Q3 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
0.97 | |
| CY2013Q4 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
0.47 | |
| CY2013 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
1.88 | |
| CY2014Q1 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
0.39 | |
| CY2014Q2 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
0.68 | |
| CY2014Q3 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
0.80 | |
| CY2014Q4 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
0.31 | |
| CY2014 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
2.19 | |
| CY2012 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
2.67 | |
| CY2013Q1 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
0.09 | |
| CY2013Q2 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
0.34 | |
| CY2013Q3 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
0.97 | |
| CY2013Q4 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
0.47 | |
| CY2013 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
1.87 | |
| CY2013 | us-gaap |
Effective Income Tax Rate Reconciliation Tax Credits Investment
EffectiveIncomeTaxRateReconciliationTaxCreditsInvestment
|
0.012 | |
| CY2014 | us-gaap |
Effective Income Tax Rate Reconciliation Tax Credits Investment
EffectiveIncomeTaxRateReconciliationTaxCreditsInvestment
|
0.016 | |
| CY2014Q2 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
0.68 | |
| CY2014Q3 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
0.80 | |
| CY2014Q4 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
0.31 | |
| CY2014 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
2.18 | |
| CY2012 | us-gaap |
Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
|
0.356 | |
| CY2013 | us-gaap |
Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
|
0.331 | |
| CY2014 | us-gaap |
Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
|
0.325 | |
| CY2012 | us-gaap |
Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
|
0.35 | |
| CY2013 | us-gaap |
Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
|
0.35 | |
| CY2014 | us-gaap |
Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
|
0.35 | |
| CY2012 | us-gaap |
Effective Income Tax Rate Reconciliation Deductions Employee Stock Ownership Plan Dividends
EffectiveIncomeTaxRateReconciliationDeductionsEmployeeStockOwnershipPlanDividends
|
0.010 | |
| CY2013 | us-gaap |
Effective Income Tax Rate Reconciliation Deductions Employee Stock Ownership Plan Dividends
EffectiveIncomeTaxRateReconciliationDeductionsEmployeeStockOwnershipPlanDividends
|
0.016 | |
| CY2014 | us-gaap |
Effective Income Tax Rate Reconciliation Deductions Employee Stock Ownership Plan Dividends
EffectiveIncomeTaxRateReconciliationDeductionsEmployeeStockOwnershipPlanDividends
|
0.014 | |
| CY2012 | us-gaap |
Effective Income Tax Rate Reconciliation Nondeductible Expense Depreciation
EffectiveIncomeTaxRateReconciliationNondeductibleExpenseDepreciation
|
0.009 | |
| CY2013 | us-gaap |
Effective Income Tax Rate Reconciliation Nondeductible Expense Depreciation
EffectiveIncomeTaxRateReconciliationNondeductibleExpenseDepreciation
|
0.015 | |
| CY2014 | us-gaap |
Effective Income Tax Rate Reconciliation Nondeductible Expense Depreciation
EffectiveIncomeTaxRateReconciliationNondeductibleExpenseDepreciation
|
0.014 | |
| CY2012 | us-gaap |
Effective Income Tax Rate Reconciliation Other Adjustments
EffectiveIncomeTaxRateReconciliationOtherAdjustments
|
-0.002 | |
| CY2013 | us-gaap |
Effective Income Tax Rate Reconciliation Other Adjustments
EffectiveIncomeTaxRateReconciliationOtherAdjustments
|
-0.005 | |
| CY2014 | us-gaap |
Effective Income Tax Rate Reconciliation Other Adjustments
EffectiveIncomeTaxRateReconciliationOtherAdjustments
|
-0.003 | |
| CY2012 | us-gaap |
Effective Income Tax Rate Reconciliation State And Local Income Taxes
EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes
|
0.025 | |
| CY2013 | us-gaap |
Effective Income Tax Rate Reconciliation State And Local Income Taxes
EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes
|
0.025 | |
| CY2014 | us-gaap |
Effective Income Tax Rate Reconciliation State And Local Income Taxes
EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes
|
0.023 | |
| CY2012 | us-gaap |
Effective Income Tax Rate Reconciliation Tax Credits Investment
EffectiveIncomeTaxRateReconciliationTaxCreditsInvestment
|
0.003 | |
| CY2012 | us-gaap |
Employee Service Share Based Compensation Cash Received From Exercise Of Stock Options
EmployeeServiceShareBasedCompensationCashReceivedFromExerciseOfStockOptions
|
397000000 | USD |
| CY2013 | us-gaap |
Employee Service Share Based Compensation Cash Received From Exercise Of Stock Options
EmployeeServiceShareBasedCompensationCashReceivedFromExerciseOfStockOptions
|
204000000 | USD |
| CY2014 | us-gaap |
Employee Service Share Based Compensation Cash Received From Exercise Of Stock Options
EmployeeServiceShareBasedCompensationCashReceivedFromExerciseOfStockOptions
|
400000000 | USD |
| CY2014Q4 | us-gaap |
Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized
EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
|
10000000 | USD |
| CY2012 | us-gaap |
Employee Service Share Based Compensation Tax Benefit From Compensation Expense
EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense
|
9000000 | USD |
| CY2013 | us-gaap |
Employee Service Share Based Compensation Tax Benefit From Compensation Expense
EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense
|
10000000 | USD |
| CY2014 | us-gaap |
Employee Service Share Based Compensation Tax Benefit From Compensation Expense
EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense
|
10000000 | USD |
| CY2012 | us-gaap |
Employee Service Share Based Compensation Tax Benefit Realized From Exercise Of Stock Options
EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromExerciseOfStockOptions
|
62000000 | USD |
| CY2013 | us-gaap |
Employee Service Share Based Compensation Tax Benefit Realized From Exercise Of Stock Options
EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromExerciseOfStockOptions
|
30000000 | USD |
| CY2014 | us-gaap |
Employee Service Share Based Compensation Tax Benefit Realized From Exercise Of Stock Options
EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromExerciseOfStockOptions
|
48000000 | USD |
| CY2013Q4 | us-gaap |
Energy Related Inventory Other Fossil Fuel
EnergyRelatedInventoryOtherFossilFuel
|
1339000000 | USD |
| CY2014Q4 | us-gaap |
Energy Related Inventory Other Fossil Fuel
EnergyRelatedInventoryOtherFossilFuel
|
930000000 | USD |
| CY2012 | us-gaap |
Federal Income Tax Expense Benefit Continuing Operations
FederalIncomeTaxExpenseBenefitContinuingOperations
|
1188000000 | USD |
| CY2013 | us-gaap |
Federal Income Tax Expense Benefit Continuing Operations
FederalIncomeTaxExpenseBenefitContinuingOperations
|
749000000 | USD |
| CY2014 | us-gaap |
Federal Income Tax Expense Benefit Continuing Operations
FederalIncomeTaxExpenseBenefitContinuingOperations
|
870000000 | USD |
| CY2010 | us-gaap |
Gain Loss Related To Litigation Settlement
GainLossRelatedToLitigationSettlement
|
-202000000 | USD |
| CY2012 | us-gaap |
Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest
IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
|
3749000000 | USD |
| CY2013 | us-gaap |
Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest
IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
|
2559000000 | USD |
| CY2014 | us-gaap |
Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest
IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
|
3008000000 | USD |
| CY2012 | us-gaap |
Income Tax Expense Benefit
IncomeTaxExpenseBenefit
|
1334000000 | USD |
| CY2013 | us-gaap |
Income Tax Expense Benefit
IncomeTaxExpenseBenefit
|
849000000 | USD |
| CY2014 | us-gaap |
Income Tax Expense Benefit
IncomeTaxExpenseBenefit
|
977000000 | USD |
| CY2012 | us-gaap |
Income Taxes Paid Net
IncomeTaxesPaidNet
|
38000000 | USD |
| CY2013 | us-gaap |
Income Taxes Paid Net
IncomeTaxesPaidNet
|
139000000 | USD |
| CY2014 | us-gaap |
Income Taxes Paid Net
IncomeTaxesPaidNet
|
272000000 | USD |
| CY2012 | us-gaap |
Increase Decrease In Accounts Payable
IncreaseDecreaseInAccountsPayable
|
-89000000 | USD |
| CY2013 | us-gaap |
Increase Decrease In Accounts Payable
IncreaseDecreaseInAccountsPayable
|
72000000 | USD |
| CY2014 | us-gaap |
Increase Decrease In Accounts Payable
IncreaseDecreaseInAccountsPayable
|
267000000 | USD |
| CY2012 | us-gaap |
Increase Decrease In Accrued Salaries
IncreaseDecreaseInAccruedSalaries
|
-28000000 | USD |
| CY2013 | us-gaap |
Increase Decrease In Accrued Salaries
IncreaseDecreaseInAccruedSalaries
|
-138000000 | USD |
| CY2014 | us-gaap |
Increase Decrease In Accrued Salaries
IncreaseDecreaseInAccruedSalaries
|
255000000 | USD |
| CY2012 | us-gaap |
Increase Decrease In Fossil Fuel Inventories
IncreaseDecreaseInFossilFuelInventories
|
452000000 | USD |
| CY2013 | us-gaap |
Increase Decrease In Fossil Fuel Inventories
IncreaseDecreaseInFossilFuelInventories
|
-481000000 | USD |
| CY2014 | us-gaap |
Increase Decrease In Fossil Fuel Inventories
IncreaseDecreaseInFossilFuelInventories
|
-408000000 | USD |
| CY2012 | us-gaap |
Increase Decrease In Other Operating Assets
IncreaseDecreaseInOtherOperatingAssets
|
37000000 | USD |
| CY2013 | us-gaap |
Increase Decrease In Other Operating Assets
IncreaseDecreaseInOtherOperatingAssets
|
11000000 | USD |
| CY2014 | us-gaap |
Increase Decrease In Other Operating Assets
IncreaseDecreaseInOtherOperatingAssets
|
57000000 | USD |
| CY2012 | us-gaap |
Increase Decrease In Other Operating Liabilities
IncreaseDecreaseInOtherOperatingLiabilities
|
89000000 | USD |
| CY2013 | us-gaap |
Increase Decrease In Other Operating Liabilities
IncreaseDecreaseInOtherOperatingLiabilities
|
-50000000 | USD |
| CY2014 | us-gaap |
Increase Decrease In Other Operating Liabilities
IncreaseDecreaseInOtherOperatingLiabilities
|
85000000 | USD |
| CY2012 | us-gaap |
Increase Decrease In Raw Materials Packaging Materials And Supplies Inventories
IncreaseDecreaseInRawMaterialsPackagingMaterialsAndSuppliesInventories
|
97000000 | USD |
| CY2013 | us-gaap |
Increase Decrease In Raw Materials Packaging Materials And Supplies Inventories
IncreaseDecreaseInRawMaterialsPackagingMaterialsAndSuppliesInventories
|
-36000000 | USD |
| CY2014 | us-gaap |
Increase Decrease In Raw Materials Packaging Materials And Supplies Inventories
IncreaseDecreaseInRawMaterialsPackagingMaterialsAndSuppliesInventories
|
67000000 | USD |
| CY2012 | us-gaap |
Increase Decrease In Receivables
IncreaseDecreaseInReceivables
|
-234000000 | USD |
| CY2013 | us-gaap |
Increase Decrease In Receivables
IncreaseDecreaseInReceivables
|
153000000 | USD |
| CY2014 | us-gaap |
Increase Decrease In Receivables
IncreaseDecreaseInReceivables
|
352000000 | USD |
| CY2012 | us-gaap |
Incremental Common Shares Attributable To Share Based Payment Arrangements
IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
|
8000000 | shares |
| CY2013 | us-gaap |
Incremental Common Shares Attributable To Share Based Payment Arrangements
IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
|
4000000 | shares |
| CY2014 | us-gaap |
Incremental Common Shares Attributable To Share Based Payment Arrangements
IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
|
4000000 | shares |
| CY2012 | us-gaap |
Interest And Debt Expense
InterestAndDebtExpense
|
859000000 | USD |
| CY2013 | us-gaap |
Interest And Debt Expense
InterestAndDebtExpense
|
824000000 | USD |
| CY2014 | us-gaap |
Interest And Debt Expense
InterestAndDebtExpense
|
835000000 | USD |
| CY2012 | us-gaap |
Interest Paid Capitalized
InterestPaidCapitalized
|
83000000 | USD |
| CY2013 | us-gaap |
Interest Paid Capitalized
InterestPaidCapitalized
|
92000000 | USD |
| CY2014 | us-gaap |
Interest Paid Capitalized
InterestPaidCapitalized
|
111000000 | USD |
| CY2012 | us-gaap |
Interest Paid Net
InterestPaidNet
|
803000000 | USD |
| CY2013 | us-gaap |
Interest Paid Net
InterestPaidNet
|
759000000 | USD |
| CY2014 | us-gaap |
Interest Paid Net
InterestPaidNet
|
732000000 | USD |
| CY2013Q4 | us-gaap |
Interest Payable Current
InterestPayableCurrent
|
251000000 | USD |
| CY2014Q4 | us-gaap |
Interest Payable Current
InterestPayableCurrent
|
295000000 | USD |
| CY2012 | us-gaap |
Investment Income Interest And Dividend
InvestmentIncomeInterestAndDividend
|
40000000 | USD |
| CY2013 | us-gaap |
Investment Income Interest And Dividend
InvestmentIncomeInterestAndDividend
|
19000000 | USD |
| CY2014 | us-gaap |
Investment Income Interest And Dividend
InvestmentIncomeInterestAndDividend
|
19000000 | USD |
| CY2012 | us-gaap |
Investment Tax Credit
InvestmentTaxCredit
|
128000000 | USD |
| CY2013 | us-gaap |
Investment Tax Credit
InvestmentTaxCredit
|
302000000 | USD |
| CY2014 | us-gaap |
Investment Tax Credit
InvestmentTaxCredit
|
35000000 | USD |
| CY2013Q4 | us-gaap |
Junior Subordinated Debenture Owed To Unconsolidated Subsidiary Trust Current
JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrustCurrent
|
206000000 | USD |
| CY2014Q4 | us-gaap |
Junior Subordinated Debenture Owed To Unconsolidated Subsidiary Trust Current
JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrustCurrent
|
206000000 | USD |
| CY2012 | us-gaap |
Lease And Rental Expense
LeaseAndRentalExpense
|
155000000 | USD |
| CY2013 | us-gaap |
Lease And Rental Expense
LeaseAndRentalExpense
|
123000000 | USD |
| CY2014 | us-gaap |
Lease And Rental Expense
LeaseAndRentalExpense
|
118000000 | USD |
| CY2013Q4 | us-gaap |
Leveraged Leases Balance Sheet Investment In Leveraged Leases Net
LeveragedLeasesBalanceSheetInvestmentInLeveragedLeasesNet
|
665000000 | USD |
| CY2014Q4 | us-gaap |
Leveraged Leases Balance Sheet Investment In Leveraged Leases Net
LeveragedLeasesBalanceSheetInvestmentInLeveragedLeasesNet
|
743000000 | USD |
| CY2013Q4 | us-gaap |
Liabilities
Liabilities
|
44407000000 | USD |
| CY2014Q4 | us-gaap |
Liabilities
Liabilities
|
49583000000 | USD |
| CY2013Q4 | us-gaap |
Liabilities And Stockholders Equity
LiabilitiesAndStockholdersEquity
|
64546000000 | USD |
| CY2014Q4 | us-gaap |
Liabilities And Stockholders Equity
LiabilitiesAndStockholdersEquity
|
70923000000 | USD |
| CY2013Q4 | us-gaap |
Liabilities Current
LiabilitiesCurrent
|
5525000000 | USD |
| CY2014Q4 | us-gaap |
Liabilities Current
LiabilitiesCurrent
|
8967000000 | USD |
| CY2014 | us-gaap |
Line Of Credit Facility Commitment Fee Percentage
LineOfCreditFacilityCommitmentFeePercentage
|
0.0025 | |
| CY2014Q4 | us-gaap |
Line Of Credit Facility Maximum Borrowing Capacity
LineOfCreditFacilityMaximumBorrowingCapacity
|
5203000000 | USD |
| CY2014Q4 | us-gaap |
Line Of Credit Facility Remaining Borrowing Capacity
LineOfCreditFacilityRemainingBorrowingCapacity
|
5177000000 | USD |
| CY2013Q4 | us-gaap |
Long Term Debt And Capital Lease Obligations
LongTermDebtAndCapitalLeaseObligations
|
21344000000 | USD |
| CY2014Q4 | us-gaap |
Long Term Debt And Capital Lease Obligations
LongTermDebtAndCapitalLeaseObligations
|
20841000000 | USD |
| CY2013Q4 | us-gaap |
Long Term Debt And Capital Lease Obligations Current
LongTermDebtAndCapitalLeaseObligationsCurrent
|
469000000 | USD |
| CY2014Q4 | us-gaap |
Long Term Debt And Capital Lease Obligations Current
LongTermDebtAndCapitalLeaseObligationsCurrent
|
3333000000 | USD |
| CY2013Q4 | us-gaap |
Long Term Debt Maturities Repayments Of Principal After Year Five
LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive
|
9973000000 | USD |
| CY2014Q4 | us-gaap |
Long Term Debt Maturities Repayments Of Principal After Year Five
LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive
|
10574000000 | USD |
| CY2013Q4 | us-gaap |
Long Term Debt Maturities Repayments Of Principal In Next Twelve Months
LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths
|
2375000000 | USD |
| CY2014Q4 | us-gaap |
Long Term Debt Maturities Repayments Of Principal In Next Twelve Months
LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths
|
2375000000 | USD |
| CY2013Q4 | us-gaap |
Long Term Debt Maturities Repayments Of Principal In Year Five
LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive
|
825000000 | USD |
| CY2014Q4 | us-gaap |
Long Term Debt Maturities Repayments Of Principal In Year Five
LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive
|
1175000000 | USD |
| CY2013Q4 | us-gaap |
Long Term Debt Maturities Repayments Of Principal In Year Four
LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour
|
850000000 | USD |
| CY2014Q4 | us-gaap |
Long Term Debt Maturities Repayments Of Principal In Year Four
LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour
|
850000000 | USD |
| CY2013Q4 | us-gaap |
Long Term Debt Maturities Repayments Of Principal In Year Three
LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree
|
1095000000 | USD |
| CY2014Q4 | us-gaap |
Long Term Debt Maturities Repayments Of Principal In Year Three
LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree
|
1495000000 | USD |
| CY2013Q4 | us-gaap |
Long Term Debt Maturities Repayments Of Principal In Year Two
LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo
|
1360000000 | USD |
| CY2014Q4 | us-gaap |
Long Term Debt Maturities Repayments Of Principal In Year Two
LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo
|
1360000000 | USD |
| CY2013Q4 | us-gaap |
Long Term Investments
LongTermInvestments
|
2348000000 | USD |
| CY2014Q4 | us-gaap |
Long Term Investments
LongTermInvestments
|
2492000000 | USD |
| CY2013Q4 | us-gaap |
Longterm Pollution Control Bond Current
LongtermPollutionControlBondCurrent
|
0 | USD |
| CY2014Q4 | us-gaap |
Longterm Pollution Control Bond Current
LongtermPollutionControlBondCurrent
|
152000000 | USD |
| CY2013Q4 | us-gaap |
Minority Interest
MinorityInterest
|
756000000 | USD |
| CY2014Q4 | us-gaap |
Minority Interest
MinorityInterest
|
977000000 | USD |
| CY2014Q4 | us-gaap |
Minority Interest Ownership Percentage By Parent
MinorityInterestOwnershipPercentageByParent
|
1 | |
| CY2012 | us-gaap |
Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
|
-417000000 | USD |
| CY2013 | us-gaap |
Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
|
-324000000 | USD |
| CY2014 | us-gaap |
Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
|
644000000 | USD |
| CY2012 | us-gaap |
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
|
-5168000000 | USD |
| CY2013 | us-gaap |
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
|
-5742000000 | USD |
| CY2014 | us-gaap |
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
|
-6408000000 | USD |
| CY2012 | us-gaap |
Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
|
4898000000 | USD |
| CY2013 | us-gaap |
Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
|
6097000000 | USD |
| CY2014 | us-gaap |
Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
|
5815000000 | USD |
| CY2012 | us-gaap |
Net Income Loss Available To Common Stockholders Basic
NetIncomeLossAvailableToCommonStockholdersBasic
|
2350000000 | USD |
| CY2013Q1 | us-gaap |
Net Income Loss Available To Common Stockholders Basic
NetIncomeLossAvailableToCommonStockholdersBasic
|
81000000 | USD |
| CY2013Q2 | us-gaap |
Net Income Loss Available To Common Stockholders Basic
NetIncomeLossAvailableToCommonStockholdersBasic
|
297000000 | USD |
| CY2013Q3 | us-gaap |
Net Income Loss Available To Common Stockholders Basic
NetIncomeLossAvailableToCommonStockholdersBasic
|
852000000 | USD |
| CY2013Q4 | us-gaap |
Net Income Loss Available To Common Stockholders Basic
NetIncomeLossAvailableToCommonStockholdersBasic
|
414000000 | USD |
| CY2013 | us-gaap |
Net Income Loss Available To Common Stockholders Basic
NetIncomeLossAvailableToCommonStockholdersBasic
|
1644000000 | USD |
| CY2014Q1 | us-gaap |
Net Income Loss Available To Common Stockholders Basic
NetIncomeLossAvailableToCommonStockholdersBasic
|
351000000 | USD |
| CY2014Q2 | us-gaap |
Net Income Loss Available To Common Stockholders Basic
NetIncomeLossAvailableToCommonStockholdersBasic
|
611000000 | USD |
| CY2014Q3 | us-gaap |
Net Income Loss Available To Common Stockholders Basic
NetIncomeLossAvailableToCommonStockholdersBasic
|
718000000 | USD |
| CY2014Q4 | us-gaap |
Net Income Loss Available To Common Stockholders Basic
NetIncomeLossAvailableToCommonStockholdersBasic
|
283000000 | USD |
| CY2014 | us-gaap |
Net Income Loss Available To Common Stockholders Basic
NetIncomeLossAvailableToCommonStockholdersBasic
|
1963000000 | USD |
| CY2013Q4 | us-gaap |
Net Regulatory Assets
NetRegulatoryAssets
|
2624000000 | USD |
| CY2014Q4 | us-gaap |
Net Regulatory Assets
NetRegulatoryAssets
|
4664000000 | USD |
| CY2014 | us-gaap |
Noncontrolling Interest In Net Income Loss Other Noncontrolling Interests Redeemable
NoncontrollingInterestInNetIncomeLossOtherNoncontrollingInterestsRedeemable
|
2000000 | USD |
| CY2012 | us-gaap |
Nonoperating Income Expense
NonoperatingIncomeExpense
|
-714000000 | USD |
| CY2013 | us-gaap |
Nonoperating Income Expense
NonoperatingIncomeExpense
|
-696000000 | USD |
| CY2014 | us-gaap |
Nonoperating Income Expense
NonoperatingIncomeExpense
|
-634000000 | USD |
| CY2012 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
4463000000 | USD |
| CY2013Q1 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
325000000 | USD |
| CY2013Q2 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
640000000 | USD |
| CY2013Q3 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
1491000000 | USD |
| CY2013Q4 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
799000000 | USD |
| CY2013 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
3255000000 | USD |
| CY2014Q1 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
700000000 | USD |
| CY2014Q2 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
1103000000 | USD |
| CY2014Q3 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
1278000000 | USD |
| CY2014Q4 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
561000000 | USD |
| CY2014 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
3642000000 | USD |
| CY2014Q4 | us-gaap |
Operating Leases Future Minimum Payments Due
OperatingLeasesFutureMinimumPaymentsDue
|
575000000 | USD |
| CY2014Q4 | us-gaap |
Operating Leases Future Minimum Payments Due Current
OperatingLeasesFutureMinimumPaymentsDueCurrent
|
100000000 | USD |
| CY2014Q4 | us-gaap |
Operating Leases Future Minimum Payments Due In Five Years
OperatingLeasesFutureMinimumPaymentsDueInFiveYears
|
29000000 | USD |
| CY2014Q4 | us-gaap |
Operating Leases Future Minimum Payments Due In Four Years
OperatingLeasesFutureMinimumPaymentsDueInFourYears
|
44000000 | USD |
| CY2014Q4 | us-gaap |
Operating Leases Future Minimum Payments Due In Three Years
OperatingLeasesFutureMinimumPaymentsDueInThreeYears
|
65000000 | USD |
| CY2014Q4 | us-gaap |
Operating Leases Future Minimum Payments Due In Two Years
OperatingLeasesFutureMinimumPaymentsDueInTwoYears
|
89000000 | USD |
| CY2014Q4 | us-gaap |
Operating Leases Future Minimum Payments Due Thereafter
OperatingLeasesFutureMinimumPaymentsDueThereafter
|
248000000 | USD |
| CY2014Q4 | us-gaap |
Operating Loss Carryforwards
OperatingLossCarryforwards
|
701000000 | USD |
| CY2013Q4 | us-gaap |
Other Assets Current
OtherAssetsCurrent
|
39000000 | USD |
| CY2014Q4 | us-gaap |
Other Assets Current
OtherAssetsCurrent
|
50000000 | USD |
| CY2013Q4 | us-gaap |
Other Assets Noncurrent
OtherAssetsNoncurrent
|
618000000 | USD |
| CY2014Q4 | us-gaap |
Other Assets Noncurrent
OtherAssetsNoncurrent
|
904000000 | USD |
| CY2012 | us-gaap |
Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax
OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax
|
-3000000 | USD |
| CY2013 | us-gaap |
Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax
OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax
|
36000000 | USD |
| CY2014 | us-gaap |
Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax
OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax
|
-51000000 | USD |
| CY2012 | us-gaap |
Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax
OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax
|
-2000000 | USD |
| CY2013 | us-gaap |
Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax
OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax
|
22000000 | USD |
| CY2014 | us-gaap |
Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax
OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax
|
-32000000 | USD |
| CY2012 | us-gaap |
Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent
OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
|
-12000000 | USD |
| CY2013 | us-gaap |
Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent
OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
|
48000000 | USD |
| CY2014 | us-gaap |
Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent
OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
|
-53000000 | USD |
| CY2012 | us-gaap |
Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax
|
-11000000 | USD |
| CY2013 | us-gaap |
Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax
|
-9000000 | USD |
| CY2014 | us-gaap |
Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax
|
-5000000 | USD |
| CY2012 | us-gaap |
Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax
|
-7000000 | USD |
| CY2013 | us-gaap |
Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax
|
-5000000 | USD |
| CY2014 | us-gaap |
Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax
|
-3000000 | USD |
| CY2012 | us-gaap |
Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Net Of Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax
|
8000000 | 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
|
-6000000 | 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
|
-3000000 | USD |
| CY2012 | us-gaap |
Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax
|
4000000 | USD |
| CY2013 | us-gaap |
Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax
|
-4000000 | USD |
| CY2014 | us-gaap |
Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax
|
-2000000 | USD |
| CY2012 | us-gaap |
Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax
OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax
|
-12000000 | USD |
| CY2013 | us-gaap |
Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax
OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax
|
0 | USD |
| CY2014 | us-gaap |
Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax
OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax
|
-10000000 | USD |
| CY2012 | us-gaap |
Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax
OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax
|
-7000000 | USD |
| CY2013 | us-gaap |
Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax
OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax
|
0 | USD |
| CY2014 | us-gaap |
Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax
OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax
|
-6000000 | USD |
| CY2012 | us-gaap |
Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax
OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
|
0 | USD |
| CY2013 | us-gaap |
Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax
OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
|
-3000000 | USD |
| CY2014 | us-gaap |
Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax
OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
|
0 | USD |
| CY2012 | us-gaap |
Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax
OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax
|
0 | USD |
| CY2013 | us-gaap |
Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax
OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax
|
-2000000 | USD |
| CY2014 | us-gaap |
Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax
OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax
|
0 | USD |
| CY2013Q4 | us-gaap |
Other Inventory Supplies
OtherInventorySupplies
|
959000000 | USD |
| CY2014Q4 | us-gaap |
Other Inventory Supplies
OtherInventorySupplies
|
1039000000 | USD |
| CY2013Q4 | us-gaap |
Other Liabilities Current
OtherLiabilitiesCurrent
|
346000000 | USD |
| CY2014Q4 | us-gaap |
Other Liabilities Current
OtherLiabilitiesCurrent
|
544000000 | USD |
| CY2013Q4 | us-gaap |
Other Liabilities Noncurrent
OtherLiabilitiesNoncurrent
|
585000000 | USD |
| CY2014Q4 | us-gaap |
Other Liabilities Noncurrent
OtherLiabilitiesNoncurrent
|
594000000 | USD |
| CY2013Q4 | us-gaap |
Other Long Term Debt
OtherLongTermDebt
|
3503000000 | USD |
| CY2014Q4 | us-gaap |
Other Long Term Debt
OtherLongTermDebt
|
4719000000 | USD |
| CY2013Q4 | us-gaap |
Other Long Term Debt Current
OtherLongTermDebtCurrent
|
12000000 | USD |
| CY2014Q4 | us-gaap |
Other Long Term Debt Current
OtherLongTermDebtCurrent
|
775000000 | USD |
| CY2013Q4 | us-gaap |
Other Long Term Investments
OtherLongTermInvestments
|
218000000 | USD |
| CY2014Q4 | us-gaap |
Other Long Term Investments
OtherLongTermInvestments
|
203000000 | USD |
| CY2012 | us-gaap |
Other Noncash Income Expense
OtherNoncashIncomeExpense
|
-51000000 | USD |
| CY2013 | us-gaap |
Other Noncash Income Expense
OtherNoncashIncomeExpense
|
41000000 | USD |
| CY2014 | us-gaap |
Other Noncash Income Expense
OtherNoncashIncomeExpense
|
38000000 | USD |
| CY2012 | us-gaap |
Other Nonoperating Income Expense
OtherNonoperatingIncomeExpense
|
-38000000 | USD |
| CY2013 | us-gaap |
Other Nonoperating Income Expense
OtherNonoperatingIncomeExpense
|
-81000000 | USD |
| CY2014 | us-gaap |
Other Nonoperating Income Expense
OtherNonoperatingIncomeExpense
|
-63000000 | USD |
| CY2012 | us-gaap |
Other Sales Revenue Net
OtherSalesRevenueNet
|
59000000 | USD |
| CY2013 | us-gaap |
Other Sales Revenue Net
OtherSalesRevenueNet
|
52000000 | USD |
| CY2014 | us-gaap |
Other Sales Revenue Net
OtherSalesRevenueNet
|
61000000 | USD |
| CY2012 | us-gaap |
Payments For Proceeds From Other Investing Activities
PaymentsForProceedsFromOtherInvestingActivities
|
-19000000 | USD |
| CY2013 | us-gaap |
Payments For Proceeds From Other Investing Activities
PaymentsForProceedsFromOtherInvestingActivities
|
-124000000 | USD |
| CY2014 | us-gaap |
Payments For Proceeds From Other Investing Activities
PaymentsForProceedsFromOtherInvestingActivities
|
17000000 | USD |
| CY2012 | us-gaap |
Payments For Proceeds From Removal Costs
PaymentsForProceedsFromRemovalCosts
|
149000000 | USD |
| CY2013 | us-gaap |
Payments For Proceeds From Removal Costs
PaymentsForProceedsFromRemovalCosts
|
131000000 | USD |
| CY2014 | us-gaap |
Payments For Proceeds From Removal Costs
PaymentsForProceedsFromRemovalCosts
|
170000000 | USD |
| CY2012 | us-gaap |
Payments For Repurchase Of Common Stock
PaymentsForRepurchaseOfCommonStock
|
430000000 | USD |
| CY2013 | us-gaap |
Payments For Repurchase Of Common Stock
PaymentsForRepurchaseOfCommonStock
|
20000000 | USD |
| CY2014 | us-gaap |
Payments For Repurchase Of Common Stock
PaymentsForRepurchaseOfCommonStock
|
5000000 | USD |
| CY2012 | us-gaap |
Payments Of Dividends Common Stock
PaymentsOfDividendsCommonStock
|
1693000000 | USD |
| CY2013 | us-gaap |
Payments Of Dividends Common Stock
PaymentsOfDividendsCommonStock
|
1762000000 | USD |
| CY2014 | us-gaap |
Payments Of Dividends Common Stock
PaymentsOfDividendsCommonStock
|
1866000000 | USD |
| CY2012 | us-gaap |
Payments Of Dividends Minority Interest
PaymentsOfDividendsMinorityInterest
|
65000000 | USD |
| CY2013 | us-gaap |
Payments Of Dividends Minority Interest
PaymentsOfDividendsMinorityInterest
|
66000000 | USD |
| CY2014 | us-gaap |
Payments Of Dividends Minority Interest
PaymentsOfDividendsMinorityInterest
|
68000000 | USD |
| CY2012 | us-gaap |
Payments To Acquire Productive Assets
PaymentsToAcquireProductiveAssets
|
5059000000 | USD |
| CY2013 | us-gaap |
Payments To Acquire Productive Assets
PaymentsToAcquireProductiveAssets
|
5868000000 | USD |
| CY2014 | us-gaap |
Payments To Acquire Productive Assets
PaymentsToAcquireProductiveAssets
|
6522000000 | USD |
| CY2012 | us-gaap |
Payments To Acquire Property Plant And Equipment
PaymentsToAcquirePropertyPlantAndEquipment
|
4809000000 | USD |
| CY2013 | us-gaap |
Payments To Acquire Property Plant And Equipment
PaymentsToAcquirePropertyPlantAndEquipment
|
5463000000 | USD |
| CY2014 | us-gaap |
Payments To Acquire Property Plant And Equipment
PaymentsToAcquirePropertyPlantAndEquipment
|
5977000000 | USD |
| CY2012 | us-gaap |
Payments To Invest In Decommissioning Fund
PaymentsToInvestInDecommissioningFund
|
1046000000 | USD |
| CY2013 | us-gaap |
Payments To Invest In Decommissioning Fund
PaymentsToInvestInDecommissioningFund
|
986000000 | USD |
| CY2014 | us-gaap |
Payments To Invest In Decommissioning Fund
PaymentsToInvestInDecommissioningFund
|
916000000 | USD |
| CY2012 | us-gaap |
Pension And Other Postretirement Benefit Expense
PensionAndOtherPostretirementBenefitExpense
|
-398000000 | USD |
| CY2013 | us-gaap |
Pension And Other Postretirement Benefit Expense
PensionAndOtherPostretirementBenefitExpense
|
131000000 | USD |
| CY2014 | us-gaap |
Pension And Other Postretirement Benefit Expense
PensionAndOtherPostretirementBenefitExpense
|
-515000000 | USD |
| CY2013Q4 | us-gaap |
Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent
PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent
|
1461000000 | USD |
| CY2014Q4 | us-gaap |
Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent
PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent
|
2432000000 | USD |
| CY2012 | us-gaap |
Preferred Stock Dividends Income Statement Impact
PreferredStockDividendsIncomeStatementImpact
|
65000000 | USD |
| CY2013 | us-gaap |
Preferred Stock Dividends Income Statement Impact
PreferredStockDividendsIncomeStatementImpact
|
66000000 | USD |
| CY2014 | us-gaap |
Preferred Stock Dividends Income Statement Impact
PreferredStockDividendsIncomeStatementImpact
|
68000000 | USD |
| CY2013Q4 | us-gaap |
Prepaid Expense Current
PrepaidExpenseCurrent
|
278000000 | USD |
| CY2014Q4 | us-gaap |
Prepaid Expense Current
PrepaidExpenseCurrent
|
665000000 | USD |
| CY2013Q4 | us-gaap |
Prepaid Pension Costs
PrepaidPensionCosts
|
419000000 | USD |
| CY2014Q4 | us-gaap |
Prepaid Pension Costs
PrepaidPensionCosts
|
0 | USD |
| CY2014 | us-gaap |
Profit Loss
ProfitLoss
|
2031000000 | USD |
| CY2012 | us-gaap |
Proceeds From Decommissioning Fund
ProceedsFromDecommissioningFund
|
1043000000 | USD |
| CY2013 | us-gaap |
Proceeds From Decommissioning Fund
ProceedsFromDecommissioningFund
|
984000000 | USD |
| CY2014 | us-gaap |
Proceeds From Decommissioning Fund
ProceedsFromDecommissioningFund
|
914000000 | USD |
| CY2012 | us-gaap |
Proceeds From Issuance Of Common Stock
ProceedsFromIssuanceOfCommonStock
|
397000000 | USD |
| CY2013 | us-gaap |
Proceeds From Issuance Of Common Stock
ProceedsFromIssuanceOfCommonStock
|
695000000 | USD |
| CY2014 | us-gaap |
Proceeds From Issuance Of Common Stock
ProceedsFromIssuanceOfCommonStock
|
806000000 | USD |
| CY2012 | us-gaap |
Proceeds From Issuance Of Long Term Debt And Capital Securities Net
ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet
|
4404000000 | USD |
| CY2013 | us-gaap |
Proceeds From Issuance Of Long Term Debt And Capital Securities Net
ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet
|
2938000000 | USD |
| CY2014 | us-gaap |
Proceeds From Issuance Of Long Term Debt And Capital Securities Net
ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet
|
3169000000 | USD |
| CY2012 | us-gaap |
Proceeds From Issuance Of Preferred Stock And Preference Stock
ProceedsFromIssuanceOfPreferredStockAndPreferenceStock
|
0 | USD |
| CY2013 | us-gaap |
Proceeds From Issuance Of Preferred Stock And Preference Stock
ProceedsFromIssuanceOfPreferredStockAndPreferenceStock
|
50000000 | USD |
| CY2014 | us-gaap |
Proceeds From Issuance Of Preferred Stock And Preference Stock
ProceedsFromIssuanceOfPreferredStockAndPreferenceStock
|
0 | USD |
| CY2014 | us-gaap |
Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options
ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions
|
806000000 | USD |
| CY2012 | us-gaap |
Proceeds From Payments For Other Financing Activities
ProceedsFromPaymentsForOtherFinancingActivities
|
19000000 | USD |
| CY2013 | us-gaap |
Proceeds From Payments For Other Financing Activities
ProceedsFromPaymentsForOtherFinancingActivities
|
9000000 | USD |
| CY2014 | us-gaap |
Proceeds From Payments For Other Financing Activities
ProceedsFromPaymentsForOtherFinancingActivities
|
-25000000 | USD |
| CY2012 | us-gaap |
Proceeds From Repayments Of Short Term Debt
ProceedsFromRepaymentsOfShortTermDebt
|
-30000000 | USD |
| CY2013 | us-gaap |
Proceeds From Repayments Of Short Term Debt
ProceedsFromRepaymentsOfShortTermDebt
|
662000000 | USD |
| CY2014 | us-gaap |
Proceeds From Repayments Of Short Term Debt
ProceedsFromRepaymentsOfShortTermDebt
|
-676000000 | USD |
| CY2012 | us-gaap |
Profit Loss
ProfitLoss
|
2415000000 | USD |
| CY2013 | us-gaap |
Profit Loss
ProfitLoss
|
1710000000 | USD |
| CY2013Q4 | us-gaap |
Property Plant And Equipment Gross
PropertyPlantAndEquipmentGross
|
66021000000 | USD |
| CY2014Q4 | us-gaap |
Property Plant And Equipment Gross
PropertyPlantAndEquipmentGross
|
70013000000 | USD |
| CY2013Q4 | us-gaap |
Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
|
51208000000 | USD |
| CY2014Q4 | us-gaap |
Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
|
54868000000 | USD |
| CY2012 | us-gaap |
Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity
PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity
|
143000000 | USD |
| CY2013 | us-gaap |
Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity
PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity
|
190000000 | USD |
| CY2014 | us-gaap |
Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity
PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity
|
245000000 | USD |
| CY2013Q4 | us-gaap |
Public Utilities Property Plant And Equipment Amount Of Acquisition Adjustments1
PublicUtilitiesPropertyPlantAndEquipmentAmountOfAcquisitionAdjustments1
|
123000000 | USD |
| CY2014Q4 | us-gaap |
Public Utilities Property Plant And Equipment Amount Of Acquisition Adjustments1
PublicUtilitiesPropertyPlantAndEquipmentAmountOfAcquisitionAdjustments1
|
123000000 | USD |
| CY2013Q4 | us-gaap |
Public Utilities Property Plant And Equipment Distribution
PublicUtilitiesPropertyPlantAndEquipmentDistribution
|
16499000000 | USD |
| CY2014Q4 | us-gaap |
Public Utilities Property Plant And Equipment Distribution
PublicUtilitiesPropertyPlantAndEquipmentDistribution
|
17123000000 | USD |
| CY2013Q4 | us-gaap |
Public Utilities Property Plant And Equipment Generation Or Processing
PublicUtilitiesPropertyPlantAndEquipmentGenerationOrProcessing
|
35360000000 | USD |
| CY2014Q4 | us-gaap |
Public Utilities Property Plant And Equipment Generation Or Processing
PublicUtilitiesPropertyPlantAndEquipmentGenerationOrProcessing
|
37892000000 | USD |
| CY2013Q4 | us-gaap |
Public Utilities Property Plant And Equipment Other Property Plant And Equipment
PublicUtilitiesPropertyPlantAndEquipmentOtherPropertyPlantAndEquipment
|
792000000 | USD |
| CY2014Q4 | us-gaap |
Public Utilities Property Plant And Equipment Other Property Plant And Equipment
PublicUtilitiesPropertyPlantAndEquipmentOtherPropertyPlantAndEquipment
|
793000000 | USD |
| CY2013Q4 | us-gaap |
Public Utilities Property Plant And Equipment Plant In Service
PublicUtilitiesPropertyPlantAndEquipmentPlantInService
|
66021000000 | USD |
| CY2014Q4 | us-gaap |
Public Utilities Property Plant And Equipment Plant In Service
PublicUtilitiesPropertyPlantAndEquipmentPlantInService
|
70013000000 | USD |
| CY2013Q4 | us-gaap |
Public Utilities Property Plant And Equipment Transmission
PublicUtilitiesPropertyPlantAndEquipmentTransmission
|
9289000000 | USD |
| CY2014Q4 | us-gaap |
Public Utilities Property Plant And Equipment Transmission
PublicUtilitiesPropertyPlantAndEquipmentTransmission
|
9884000000 | USD |
| CY2013Q4 | us-gaap |
Redeemable Noncontrolling Interest Equity Carrying Amount
RedeemableNoncontrollingInterestEquityCarryingAmount
|
0 | USD |
| CY2014Q4 | us-gaap |
Redeemable Noncontrolling Interest Equity Carrying Amount
RedeemableNoncontrollingInterestEquityCarryingAmount
|
39000000 | USD |
| CY2012 | us-gaap |
Repayments Of Long Term Debt And Capital Securities
RepaymentsOfLongTermDebtAndCapitalSecurities
|
3169000000 | USD |
| CY2013Q4 | us-gaap |
Senior Notes Current
SeniorNotesCurrent
|
428000000 | USD |
| CY2014Q4 | us-gaap |
Senior Notes Current
SeniorNotesCurrent
|
2375000000 | USD |
| CY2012 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate
|
0.042 | |
| CY2013 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate
|
0.044 | |
| CY2013 | us-gaap |
Repayments Of Long Term Debt And Capital Securities
RepaymentsOfLongTermDebtAndCapitalSecurities
|
2830000000 | USD |
| CY2014 | us-gaap |
Repayments Of Long Term Debt And Capital Securities
RepaymentsOfLongTermDebtAndCapitalSecurities
|
816000000 | USD |
| CY2013Q4 | us-gaap |
Retained Earnings Accumulated Deficit
RetainedEarningsAccumulatedDeficit
|
9510000000 | USD |
| CY2014Q4 | us-gaap |
Retained Earnings Accumulated Deficit
RetainedEarningsAccumulatedDeficit
|
9609000000 | USD |
| CY2012 | us-gaap |
Revenues
Revenues
|
16537000000 | USD |
| CY2013Q1 | us-gaap |
Revenues
Revenues
|
3897000000 | USD |
| CY2013Q2 | us-gaap |
Revenues
Revenues
|
4246000000 | USD |
| CY2013Q3 | us-gaap |
Revenues
Revenues
|
5017000000 | USD |
| CY2013Q4 | us-gaap |
Revenues
Revenues
|
3927000000 | USD |
| CY2013 | us-gaap |
Revenues
Revenues
|
17087000000 | USD |
| CY2014Q1 | us-gaap |
Revenues
Revenues
|
4644000000 | USD |
| CY2014Q2 | us-gaap |
Revenues
Revenues
|
4467000000 | USD |
| CY2014Q3 | us-gaap |
Revenues
Revenues
|
5339000000 | USD |
| CY2014Q4 | us-gaap |
Revenues
Revenues
|
4017000000 | USD |
| CY2014 | us-gaap |
Revenues
Revenues
|
18467000000 | USD |
| CY2013Q4 | us-gaap |
Senior Notes
SeniorNotes
|
17300000000 | USD |
| CY2014Q4 | us-gaap |
Senior Notes
SeniorNotes
|
18200000000 | USD |
| CY2014 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate
|
0.049 | |
| CY2012 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate
|
0.177 | |
| CY2013 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate
|
0.166 | |
| CY2014 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate
|
0.146 | |
| CY2012 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate
|
0.009 | |
| CY2013 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate
|
0.009 | |
| CY2014 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate
|
0.015 | |
| CY2014Q4 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber
|
20695310 | shares |
| CY2014Q4 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice
|
38.76 | |
| CY2012 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
|
162000000 | USD |
| CY2013 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
|
77000000 | USD |
| CY2014 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
|
125000000 | USD |
| CY2014 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod
|
117375 | shares |
| CY2014 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice
|
42.72 | |
| CY2014 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod
|
12812691 | shares |
| CY2012 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
|
3.39 | |
| CY2013 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
|
2.93 | |
| CY2014 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
|
2.20 | |
| CY2014Q4 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue
|
342000000 | USD |
| CY2013Q4 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
|
38819366 | shares |
| CY2014Q4 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
|
39929319 | shares |
| CY2013Q4 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
|
38.64 | |
| CY2014Q4 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
|
40.55 | |
| CY2014 | us-gaap |
Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price
ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice
|
35.06 | |
| CY2014 | us-gaap |
Stock Option Plan Expense
StockOptionPlanExpense
|
63000000 | USD |
| CY2014 | us-gaap |
Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price
ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice
|
41.40 | |
| CY2012 | us-gaap |
Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1
SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1
|
P5Y | |
| CY2013 | us-gaap |
Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1
SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1
|
P5Y | |
| CY2014 | us-gaap |
Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1
SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1
|
P5Y | |
| CY2014Q4 | us-gaap |
Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1
|
214000000 | USD |
| CY2014 | us-gaap |
Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1
|
P6Y | |
| CY2014 | us-gaap |
Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2
|
P7Y | |
| CY2013Q4 | us-gaap |
Short Term Borrowings
ShortTermBorrowings
|
1482000000 | USD |
| CY2014Q4 | us-gaap |
Short Term Borrowings
ShortTermBorrowings
|
803000000 | USD |
| CY2013Q4 | us-gaap |
Short Term Debt Weighted Average Interest Rate
ShortTermDebtWeightedAverageInterestRate
|
0.004 | |
| CY2014Q4 | us-gaap |
Short Term Debt Weighted Average Interest Rate
ShortTermDebtWeightedAverageInterestRate
|
0.003 | |
| CY2012 | us-gaap |
State And Local Income Tax Expense Benefit Continuing Operations
StateAndLocalIncomeTaxExpenseBenefitContinuingOperations
|
146000000 | USD |
| CY2013 | us-gaap |
State And Local Income Tax Expense Benefit Continuing Operations
StateAndLocalIncomeTaxExpenseBenefitContinuingOperations
|
100000000 | USD |
| CY2014 | us-gaap |
State And Local Income Tax Expense Benefit Continuing Operations
StateAndLocalIncomeTaxExpenseBenefitContinuingOperations
|
107000000 | USD |
| CY2014 | us-gaap |
Stock Issued During Period Shares Stock Options Exercised
StockIssuedDuringPeriodSharesStockOptionsExercised
|
11585363 | shares |
| CY2012 | us-gaap |
Stock Issued During Period Value New Issues
StockIssuedDuringPeriodValueNewIssues
|
397000000 | USD |
| CY2013 | us-gaap |
Stock Issued During Period Value New Issues
StockIssuedDuringPeriodValueNewIssues
|
765000000 | USD |
| CY2014 | us-gaap |
Stock Issued During Period Value New Issues
StockIssuedDuringPeriodValueNewIssues
|
806000000 | USD |
| CY2012 | us-gaap |
Stock Option Plan Expense
StockOptionPlanExpense
|
55000000 | USD |
| CY2013 | us-gaap |
Stock Option Plan Expense
StockOptionPlanExpense
|
59000000 | USD |
| CY2012 | us-gaap |
Stock Repurchased During Period Value
StockRepurchasedDuringPeriodValue
|
430000000 | USD |
| CY2013Q4 | us-gaap |
Stockholders Equity
StockholdersEquity
|
19008000000 | USD |
| CY2014Q4 | us-gaap |
Stockholders Equity
StockholdersEquity
|
19949000000 | USD |
| CY2011Q4 | us-gaap |
Stockholders Equity Including Portion Attributable To Noncontrolling Interest
StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
|
18285000000 | USD |
| CY2012Q4 | us-gaap |
Stockholders Equity Including Portion Attributable To Noncontrolling Interest
StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
|
19004000000 | USD |
| CY2013Q4 | us-gaap |
Stockholders Equity Including Portion Attributable To Noncontrolling Interest
StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
|
19764000000 | USD |
| CY2014Q4 | us-gaap |
Stockholders Equity Including Portion Attributable To Noncontrolling Interest
StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
|
20926000000 | USD |
| CY2012 | us-gaap |
Stockholders Equity Other
StockholdersEquityOther
|
-1000000 | USD |
| CY2013 | us-gaap |
Stockholders Equity Other
StockholdersEquityOther
|
0 | USD |
| CY2014 | us-gaap |
Stockholders Equity Other
StockholdersEquityOther
|
-7000000 | USD |
| CY2014Q4 | us-gaap |
Tax Credit Carryforward Amount
TaxCreditCarryforwardAmount
|
379000000 | USD |
| CY2012 | us-gaap |
Taxes Excluding Income And Excise Taxes
TaxesExcludingIncomeAndExciseTaxes
|
914000000 | USD |
| CY2013 | us-gaap |
Taxes Excluding Income And Excise Taxes
TaxesExcludingIncomeAndExciseTaxes
|
934000000 | USD |
| CY2014 | us-gaap |
Taxes Excluding Income And Excise Taxes
TaxesExcludingIncomeAndExciseTaxes
|
981000000 | USD |
| CY2013Q4 | us-gaap |
Temporary Equity Carrying Amount Attributable To Parent
TemporaryEquityCarryingAmountAttributableToParent
|
375000000 | USD |
| CY2014Q4 | us-gaap |
Temporary Equity Carrying Amount Attributable To Parent
TemporaryEquityCarryingAmountAttributableToParent
|
375000000 | USD |
| CY2013Q4 | us-gaap |
Treasury Stock Shares
TreasuryStockShares
|
5700000 | shares |
| CY2014Q4 | us-gaap |
Treasury Stock Shares
TreasuryStockShares
|
700000 | shares |
| CY2013Q4 | us-gaap |
Treasury Stock Value
TreasuryStockValue
|
250000000 | USD |
| CY2014Q4 | us-gaap |
Treasury Stock Value
TreasuryStockValue
|
26000000 | USD |
| CY2013Q4 | us-gaap |
Unamortized Debt Issuance Expense
UnamortizedDebtIssuanceExpense
|
139000000 | USD |
| CY2014Q4 | us-gaap |
Unamortized Debt Issuance Expense
UnamortizedDebtIssuanceExpense
|
202000000 | USD |
| CY2013Q4 | us-gaap |
Unamortized Loss Reacquired Debt Noncurrent
UnamortizedLossReacquiredDebtNoncurrent
|
269000000 | USD |
| CY2014Q4 | us-gaap |
Unamortized Loss Reacquired Debt Noncurrent
UnamortizedLossReacquiredDebtNoncurrent
|
243000000 | USD |
| CY2011Q4 | us-gaap |
Unrecognized Tax Benefits
UnrecognizedTaxBenefits
|
120000000 | USD |
| CY2012Q4 | us-gaap |
Unrecognized Tax Benefits
UnrecognizedTaxBenefits
|
70000000 | USD |
| CY2013Q4 | us-gaap |
Unrecognized Tax Benefits
UnrecognizedTaxBenefits
|
7000000 | USD |
| CY2014Q4 | us-gaap |
Unrecognized Tax Benefits
UnrecognizedTaxBenefits
|
170000000 | USD |
| CY2012 | us-gaap |
Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions
UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions
|
56000000 | USD |
| CY2013 | us-gaap |
Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions
UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions
|
66000000 | USD |
| CY2014 | us-gaap |
Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions
UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions
|
3000000 | USD |
| CY2012 | us-gaap |
Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities
UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities
|
10000000 | USD |
| CY2013 | us-gaap |
Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities
UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities
|
0 | USD |
| CY2014 | us-gaap |
Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities
UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities
|
0 | USD |
| CY2012 | us-gaap |
Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions
UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions
|
13000000 | USD |
| CY2013 | us-gaap |
Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions
UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions
|
3000000 | USD |
| CY2014 | us-gaap |
Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions
UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions
|
64000000 | USD |
| CY2012 | us-gaap |
Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions
UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions
|
7000000 | USD |
| CY2013 | us-gaap |
Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions
UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions
|
0 | USD |
| CY2014 | us-gaap |
Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions
UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions
|
102000000 | USD |
| CY2012 | us-gaap |
Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations
UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations
|
4000000 | USD |
| CY2013 | us-gaap |
Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations
UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations
|
0 | USD |
| CY2014 | us-gaap |
Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations
UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations
|
0 | USD |
| CY2012Q4 | us-gaap |
Unrecognized Tax Benefits That Would Impact Effective Tax Rate
UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate
|
5000000 | USD |
| CY2013Q4 | us-gaap |
Unrecognized Tax Benefits That Would Impact Effective Tax Rate
UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate
|
7000000 | USD |
| CY2014Q4 | us-gaap |
Unrecognized Tax Benefits That Would Impact Effective Tax Rate
UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate
|
10000000 | USD |
| CY2012 | us-gaap |
Utilities Operating Expense Fuel Used
UtilitiesOperatingExpenseFuelUsed
|
5057000000 | USD |
| CY2013 | us-gaap |
Utilities Operating Expense Fuel Used
UtilitiesOperatingExpenseFuelUsed
|
5510000000 | USD |
| CY2014 | us-gaap |
Utilities Operating Expense Fuel Used
UtilitiesOperatingExpenseFuelUsed
|
6005000000 | USD |
| CY2012 | us-gaap |
Utilities Operating Expense Maintenance And Operations
UtilitiesOperatingExpenseMaintenanceAndOperations
|
3772000000 | USD |
| CY2013 | us-gaap |
Utilities Operating Expense Maintenance And Operations
UtilitiesOperatingExpenseMaintenanceAndOperations
|
3846000000 | USD |
| CY2014 | us-gaap |
Utilities Operating Expense Maintenance And Operations
UtilitiesOperatingExpenseMaintenanceAndOperations
|
4354000000 | USD |
| CY2012 | us-gaap |
Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
|
879000000 | shares |
| CY2013 | us-gaap |
Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
|
881000000 | shares |
| CY2014 | us-gaap |
Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
|
901000000 | shares |
| CY2012 | us-gaap |
Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
|
871000000 | shares |
| CY2013 | us-gaap |
Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
|
877000000 | shares |
| CY2014 | us-gaap |
Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
|
897000000 | shares |
| CY2012 | so |
Noncash Property Additions Recognized
NoncashPropertyAdditionsRecognized
|
524000000 | USD |
