$EXC
EXELON CORP

2011 Q2 Form 10-Q Financial Statement

#000119312511198942 Filed on July 27, 2011

View on sec.gov

Income Statement

Concept 2011 Q2 2010 Q2
Revenue $4.496B $4.398B
YoY Change 2.23% 6.21%
Cost Of Revenue $1.716B $1.134B
YoY Change 51.32% 23.13%
Gross Profit $2.780B $3.264B
YoY Change -14.83% 1.37%
Gross Profit Margin 61.83% 74.22%
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization $316.0M $279.0M
YoY Change 13.26% -55.78%
% of Gross Profit 11.37% 8.55%
Operating Expenses $1.746B $2.246B
YoY Change -22.26% 1.91%
Operating Profit $1.034B $1.018B
YoY Change 1.57% 0.2%
Interest Expense $176.0M $269.0M
YoY Change -34.57% -244.62%
% of Operating Profit 17.02% 26.42%
Other Income/Expense, Net -$81.00M -$397.0M
YoY Change -79.6% -254.47%
Pretax Income $953.0M $621.0M
YoY Change 53.46% -42.87%
Income Tax $332.0M $176.0M
% Of Pretax Income 34.84% 28.34%
Net Earnings $620.0M $445.0M
YoY Change 39.33% -32.27%
Net Earnings / Revenue 13.79% 10.12%
Basic Earnings Per Share $0.93 $0.67
Diluted Earnings Per Share $0.93 $0.67
COMMON SHARES
Basic Shares Outstanding 663.0M shares 661.0M shares
Diluted Shares Outstanding 664.0M shares 662.0M shares

Balance Sheet

Concept 2011 Q2 2010 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments $562.0M $1.168B
YoY Change -51.88% -36.45%
Cash & Equivalents $562.0M $1.168B
Short-Term Investments
Other Short-Term Assets $509.0M $1.336B
YoY Change -61.9% 10.5%
Inventory $786.0M $759.0M
Prepaid Expenses
Receivables $1.766B $1.886B
Other Receivables $697.0M $451.0M
Total Short-Term Assets $4.987B $5.600B
YoY Change -10.95% -3.86%
LONG-TERM ASSETS
Property, Plant & Equipment $30.86B $28.03B
YoY Change 10.08% 6.56%
Goodwill $2.625B
YoY Change
Intangibles
YoY Change
Long-Term Investments $751.0M $723.0M
YoY Change 3.87% 0.0%
Other Assets $751.0M $12.20B
YoY Change -93.84% -9.67%
Total Long-Term Assets $47.00B $43.57B
YoY Change 7.86% 0.97%
TOTAL ASSETS
Total Short-Term Assets $4.987B $5.600B
Total Long-Term Assets $47.00B $43.57B
Total Assets $51.99B $49.17B
YoY Change 5.72% 0.4%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable $1.297B $1.181B
YoY Change 9.82% 3.23%
Accrued Expenses $878.0M $1.098B
YoY Change -20.04% 5.07%
Deferred Revenue
YoY Change
Short-Term Debt $140.0M $514.0M
YoY Change -72.76% 1042.22%
Long-Term Debt Due $1.048B $619.0M
YoY Change 69.31% -22.91%
Total Short-Term Liabilities $4.268B $4.030B
YoY Change 5.91% -3.26%
LONG-TERM LIABILITIES
Long-Term Debt $11.76B $11.29B
YoY Change 4.22% -6.87%
Other Long-Term Liabilities $1.137B $15.20B
YoY Change -92.52% -0.55%
Total Long-Term Liabilities $12.90B $26.48B
YoY Change -51.29% -3.35%
TOTAL LIABILITIES
Total Short-Term Liabilities $4.268B $4.030B
Total Long-Term Liabilities $12.90B $26.48B
Total Liabilities $37.78B $35.99B
YoY Change 4.99% -2.28%
SHAREHOLDERS EQUITY
Retained Earnings $9.894B
YoY Change
Common Stock $9.054B
YoY Change
Preferred Stock
YoY Change
Treasury Stock (at cost) $2.327B
YoY Change
Treasury Stock Shares 35.00M shares
Shareholders Equity $14.11B $13.19B
YoY Change
Total Liabilities & Shareholders Equity $51.99B $49.17B
YoY Change 5.72% 0.4%

Cashflow Statement

Concept 2011 Q2 2010 Q2
OPERATING ACTIVITIES
Net Income $620.0M $445.0M
YoY Change 39.33% -32.27%
Depreciation, Depletion And Amortization $316.0M $279.0M
YoY Change 13.26% -55.78%
Cash From Operating Activities $1.220B $508.0M
YoY Change 140.16% -53.69%
INVESTING ACTIVITIES
Capital Expenditures -$835.0M -$706.0M
YoY Change 18.27% -3.55%
Acquisitions
YoY Change
Other Investing Activities -$60.00M -$243.0M
YoY Change -75.31% 291.94%
Cash From Investing Activities -$895.0M -$949.0M
YoY Change -5.69% 19.52%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities -250.0M -915.0M
YoY Change -72.68% 49.02%
NET CHANGE
Cash From Operating Activities 1.220B 508.0M
Cash From Investing Activities -895.0M -949.0M
Cash From Financing Activities -250.0M -915.0M
Net Change In Cash 75.00M -1.356B
YoY Change -105.53% 336.01%
FREE CASH FLOW
Cash From Operating Activities $1.220B $508.0M
Capital Expenditures -$835.0M -$706.0M
Free Cash Flow $2.055B $1.214B
YoY Change 69.28% -33.62%

Facts In Submission

Frame Concept Type Concept / XBRL Key Value Unit
us-gaap Income Loss From Continuing Operations Before Income Taxes Domestic
IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic
1933000000 USD
us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
739000000 USD
CY2011Q2 us-gaap Revenues
Revenues
4587000000 USD
CY2011Q2 us-gaap Cost Of Purchased Power
CostOfPurchasedPower
1407000000 USD
CY2011Q2 us-gaap Fuel Costs
FuelCosts
400000000 USD
CY2011Q2 us-gaap Other Cost And Expense Operating
OtherCostAndExpenseOperating
1185000000 USD
CY2011Q2 us-gaap Other Depreciation And Amortization
OtherDepreciationAndAmortization
329000000 USD
CY2011Q2 us-gaap Taxes Excluding Income And Excise Taxes
TaxesExcludingIncomeAndExciseTaxes
191000000 USD
CY2011Q2 us-gaap Costs And Expenses
CostsAndExpenses
3553000000 USD
CY2011Q2 us-gaap Operating Income Loss
OperatingIncomeLoss
1034000000 USD
CY2011Q2 us-gaap Interest Expense
InterestExpense
176000000 USD
CY2011Q2 exc Interest Expense To Affiliates Net
InterestExpenseToAffiliatesNet
6000000 USD
CY2011Q2 us-gaap Income Loss From Equity Method Investments
IncomeLossFromEquityMethodInvestments
0 USD
CY2011Q2 us-gaap Other Nonoperating Income Expense
OtherNonoperatingIncomeExpense
100000000 USD
CY2011Q2 us-gaap Nonoperating Income Expense
NonoperatingIncomeExpense
-82000000 USD
CY2011Q2 us-gaap Income Loss From Continuing Operations Before Income Taxes Domestic
IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic
952000000 USD
CY2011Q2 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
332000000 USD
CY2011Q2 us-gaap Net Income Loss
NetIncomeLoss
620000000 USD
CY2011Q2 us-gaap Other Comprehensive Income Amortization Of Defined Benefit Plan Net Prior Service Cost Recognized In Net Periodic Pension Cost Net Of Tax
OtherComprehensiveIncomeAmortizationOfDefinedBenefitPlanNetPriorServiceCostRecognizedInNetPeriodicPensionCostNetOfTax
-1000000 USD
CY2011Q2 us-gaap Other Comprehensive Income Reclassification Of Defined Benefit Plans Net Gain Loss Recognized In Net Periodic Benefit Cost Net Of Tax
OtherComprehensiveIncomeReclassificationOfDefinedBenefitPlansNetGainLossRecognizedInNetPeriodicBenefitCostNetOfTax
34000000 USD
CY2011Q2 us-gaap Other Comprehensive Income Reclassification Of Defined Benefit Plan Net Transition Asset Obligation Recognized In Net Periodic Benefit Cost Net Of Tax
OtherComprehensiveIncomeReclassificationOfDefinedBenefitPlanNetTransitionAssetObligationRecognizedInNetPeriodicBenefitCostNetOfTax
1000000 USD
CY2011Q2 exc Other Comprehensive Income Pension And Non Pension Postretirement Benefit Plan Valuation Adjustment Net Of Tax
OtherComprehensiveIncomePensionAndNonPensionPostretirementBenefitPlanValuationAdjustmentNetOfTax
0 USD
CY2011Q2 us-gaap Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax
OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax
-145000000 USD
CY2011Q2 us-gaap Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax
OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
0 USD
us-gaap Net Income Loss
NetIncomeLoss
1194000000 USD
us-gaap Other Comprehensive Income Amortization Of Defined Benefit Plan Net Prior Service Cost Recognized In Net Periodic Pension Cost Net Of Tax
OtherComprehensiveIncomeAmortizationOfDefinedBenefitPlanNetPriorServiceCostRecognizedInNetPeriodicPensionCostNetOfTax
-6000000 USD
us-gaap Common Stock Dividends Per Share Cash Paid
CommonStockDividendsPerShareCashPaid
1.05 USD
us-gaap Revenues
Revenues
9638000000 USD
us-gaap Other Comprehensive Income Reclassification Of Defined Benefit Plans Net Gain Loss Recognized In Net Periodic Benefit Cost Net Of Tax
OtherComprehensiveIncomeReclassificationOfDefinedBenefitPlansNetGainLossRecognizedInNetPeriodicBenefitCostNetOfTax
57000000 USD
us-gaap Cost Of Purchased Power
CostOfPurchasedPower
2891000000 USD
CY2011Q2 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
0.93 USD
us-gaap Fuel Costs
FuelCosts
1012000000 USD
us-gaap Other Comprehensive Income Reclassification Of Defined Benefit Plan Net Transition Asset Obligation Recognized In Net Periodic Benefit Cost Net Of Tax
OtherComprehensiveIncomeReclassificationOfDefinedBenefitPlanNetTransitionAssetObligationRecognizedInNetPeriodicBenefitCostNetOfTax
2000000 USD
CY2011Q2 us-gaap Common Stock Dividends Per Share Cash Paid
CommonStockDividendsPerShareCashPaid
0.53 USD
CY2011Q2 us-gaap Other Comprehensive Income Loss Net Of Tax Period Increase Decrease
OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease
-111000000 USD
CY2011Q2 us-gaap Comprehensive Income Net Of Tax
ComprehensiveIncomeNetOfTax
509000000 USD
CY2011Q2 us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
663000000 shares
CY2011Q2 us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
664000000 shares
CY2011Q2 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
0.93 USD
CY2010Q2 us-gaap Revenues
Revenues
4398000000 USD
us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
1.80 USD
CY2010Q2 us-gaap Cost Of Purchased Power
CostOfPurchasedPower
1134000000 USD
CY2010Q2 us-gaap Fuel Costs
FuelCosts
393000000 USD
CY2010Q2 us-gaap Other Cost And Expense Operating
OtherCostAndExpenseOperating
1114000000 USD
CY2010Q2 us-gaap Other Depreciation And Amortization
OtherDepreciationAndAmortization
519000000 USD
CY2010Q2 us-gaap Taxes Excluding Income And Excise Taxes
TaxesExcludingIncomeAndExciseTaxes
186000000 USD
CY2010Q2 us-gaap Costs And Expenses
CostsAndExpenses
3380000000 USD
CY2010Q2 us-gaap Operating Income Loss
OperatingIncomeLoss
1018000000 USD
CY2010Q2 us-gaap Interest Expense
InterestExpense
269000000 USD
CY2010Q2 exc Interest Expense To Affiliates Net
InterestExpenseToAffiliatesNet
6000000 USD
CY2010Q2 us-gaap Income Loss From Equity Method Investments
IncomeLossFromEquityMethodInvestments
0 USD
CY2010Q2 us-gaap Other Nonoperating Income Expense
OtherNonoperatingIncomeExpense
-122000000 USD
CY2010Q2 us-gaap Nonoperating Income Expense
NonoperatingIncomeExpense
-397000000 USD
CY2010Q2 us-gaap Income Loss From Continuing Operations Before Income Taxes Domestic
IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic
621000000 USD
CY2010Q2 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
176000000 USD
CY2010Q2 us-gaap Net Income Loss
NetIncomeLoss
445000000 USD
CY2010Q2 us-gaap Other Comprehensive Income Amortization Of Defined Benefit Plan Net Prior Service Cost Recognized In Net Periodic Pension Cost Net Of Tax
OtherComprehensiveIncomeAmortizationOfDefinedBenefitPlanNetPriorServiceCostRecognizedInNetPeriodicPensionCostNetOfTax
3000000 USD
CY2010Q2 us-gaap Other Comprehensive Income Reclassification Of Defined Benefit Plans Net Gain Loss Recognized In Net Periodic Benefit Cost Net Of Tax
OtherComprehensiveIncomeReclassificationOfDefinedBenefitPlansNetGainLossRecognizedInNetPeriodicBenefitCostNetOfTax
24000000 USD
CY2010Q2 us-gaap Other Comprehensive Income Reclassification Of Defined Benefit Plan Net Transition Asset Obligation Recognized In Net Periodic Benefit Cost Net Of Tax
OtherComprehensiveIncomeReclassificationOfDefinedBenefitPlanNetTransitionAssetObligationRecognizedInNetPeriodicBenefitCostNetOfTax
0 USD
CY2010Q2 exc Other Comprehensive Income Pension And Non Pension Postretirement Benefit Plan Valuation Adjustment Net Of Tax
OtherComprehensiveIncomePensionAndNonPensionPostretirementBenefitPlanValuationAdjustmentNetOfTax
2000000 USD
CY2010Q2 us-gaap Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax
OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax
-409000000 USD
CY2010Q2 us-gaap Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax
OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
0 USD
CY2010Q2 us-gaap Other Comprehensive Income Loss Net Of Tax Period Increase Decrease
OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease
-384000000 USD
CY2010Q2 us-gaap Comprehensive Income Net Of Tax
ComprehensiveIncomeNetOfTax
61000000 USD
CY2010Q2 us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
661000000 shares
CY2010Q2 us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
662000000 shares
CY2010Q2 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
0.67 USD
CY2010Q2 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
0.67 USD
CY2010Q2 us-gaap Common Stock Dividends Per Share Cash Paid
CommonStockDividendsPerShareCashPaid
0.53 USD
us-gaap Revenues
Revenues
8859000000 USD
us-gaap Cost Of Purchased Power
CostOfPurchasedPower
1792000000 USD
us-gaap Fuel Costs
FuelCosts
994000000 USD
us-gaap Other Cost And Expense Operating
OtherCostAndExpenseOperating
2175000000 USD
us-gaap Other Depreciation And Amortization
OtherDepreciationAndAmortization
1033000000 USD
us-gaap Taxes Excluding Income And Excise Taxes
TaxesExcludingIncomeAndExciseTaxes
383000000 USD
us-gaap Costs And Expenses
CostsAndExpenses
6438000000 USD
us-gaap Operating Income Loss
OperatingIncomeLoss
2421000000 USD
us-gaap Interest Expense
InterestExpense
446000000 USD
exc Interest Expense To Affiliates Net
InterestExpenseToAffiliatesNet
13000000 USD
us-gaap Income Loss From Equity Method Investments
IncomeLossFromEquityMethodInvestments
0 USD
us-gaap Other Nonoperating Income Expense
OtherNonoperatingIncomeExpense
-29000000 USD
us-gaap Nonoperating Income Expense
NonoperatingIncomeExpense
-488000000 USD
exc Other Comprehensive Income Pension And Non Pension Postretirement Benefit Plan Valuation Adjustment Net Of Tax
OtherComprehensiveIncomePensionAndNonPensionPostretirementBenefitPlanValuationAdjustmentNetOfTax
16000000 USD
us-gaap Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax
OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax
-26000000 USD
us-gaap Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax
OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
0 USD
us-gaap Other Comprehensive Income Loss Net Of Tax Period Increase Decrease
OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease
11000000 USD
us-gaap Comprehensive Income Net Of Tax
ComprehensiveIncomeNetOfTax
1205000000 USD
us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
661000000 shares
us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
662000000 shares
us-gaap Earnings Per Share Basic
EarningsPerShareBasic
1.81 USD
us-gaap Other Cost And Expense Operating
OtherCostAndExpenseOperating
2370000000 USD
us-gaap Other Depreciation And Amortization
OtherDepreciationAndAmortization
656000000 USD
us-gaap Taxes Excluding Income And Excise Taxes
TaxesExcludingIncomeAndExciseTaxes
394000000 USD
us-gaap Costs And Expenses
CostsAndExpenses
7402000000 USD
us-gaap Operating Income Loss
OperatingIncomeLoss
2236000000 USD
us-gaap Interest Expense
InterestExpense
350000000 USD
exc Interest Expense To Affiliates Net
InterestExpenseToAffiliatesNet
13000000 USD
us-gaap Income Loss From Equity Method Investments
IncomeLossFromEquityMethodInvestments
0 USD
us-gaap Other Nonoperating Income Expense
OtherNonoperatingIncomeExpense
194000000 USD
us-gaap Nonoperating Income Expense
NonoperatingIncomeExpense
-169000000 USD
us-gaap Income Loss From Continuing Operations Before Income Taxes Domestic
IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic
2067000000 USD
us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
779000000 USD
us-gaap Net Income Loss
NetIncomeLoss
1288000000 USD
us-gaap Other Comprehensive Income Amortization Of Defined Benefit Plan Net Prior Service Cost Recognized In Net Periodic Pension Cost Net Of Tax
OtherComprehensiveIncomeAmortizationOfDefinedBenefitPlanNetPriorServiceCostRecognizedInNetPeriodicPensionCostNetOfTax
-2000000 USD
us-gaap Other Comprehensive Income Reclassification Of Defined Benefit Plans Net Gain Loss Recognized In Net Periodic Benefit Cost Net Of Tax
OtherComprehensiveIncomeReclassificationOfDefinedBenefitPlansNetGainLossRecognizedInNetPeriodicBenefitCostNetOfTax
66000000 USD
us-gaap Other Comprehensive Income Reclassification Of Defined Benefit Plan Net Transition Asset Obligation Recognized In Net Periodic Benefit Cost Net Of Tax
OtherComprehensiveIncomeReclassificationOfDefinedBenefitPlanNetTransitionAssetObligationRecognizedInNetPeriodicBenefitCostNetOfTax
2000000 USD
exc Other Comprehensive Income Pension And Non Pension Postretirement Benefit Plan Valuation Adjustment Net Of Tax
OtherComprehensiveIncomePensionAndNonPensionPostretirementBenefitPlanValuationAdjustmentNetOfTax
-39000000 USD
us-gaap Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax
OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax
-191000000 USD
us-gaap Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax
OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
0 USD
us-gaap Other Comprehensive Income Loss Net Of Tax Period Increase Decrease
OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease
-86000000 USD
us-gaap Comprehensive Income Net Of Tax
ComprehensiveIncomeNetOfTax
1202000000 USD
us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
663000000 shares
us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
664000000 shares
us-gaap Earnings Per Share Basic
EarningsPerShareBasic
1.94 USD
us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
1.94 USD
us-gaap Common Stock Dividends Per Share Cash Paid
CommonStockDividendsPerShareCashPaid
1.05 USD
CY2011Q2 exc Other Cost And Expense Operating Regulatory Required Programs
OtherCostAndExpenseOperatingRegulatoryRequiredPrograms
41000000 USD
CY2010Q2 exc Other Cost And Expense Operating Regulatory Required Programs
OtherCostAndExpenseOperatingRegulatoryRequiredPrograms
34000000 USD
exc Other Cost And Expense Operating Regulatory Required Programs
OtherCostAndExpenseOperatingRegulatoryRequiredPrograms
79000000 USD
exc Other Cost And Expense Operating Regulatory Required Programs
OtherCostAndExpenseOperatingRegulatoryRequiredPrograms
61000000 USD
dei Entity Registrant Name
EntityRegistrantName
EXELON CORP
dei Entity Central Index Key
EntityCentralIndexKey
0001109357
dei Document Type
DocumentType
10-Q
dei Document Period End Date
DocumentPeriodEndDate
2011-06-30
dei Amendment Flag
AmendmentFlag
false
dei Document Fiscal Year Focus
DocumentFiscalYearFocus
2011
dei Document Fiscal Period Focus
DocumentFiscalPeriodFocus
Q3
dei Current Fiscal Year End Date
CurrentFiscalYearEndDate
--12-31
dei Entity Well Known Seasoned Issuer
EntityWellKnownSeasonedIssuer
Yes
dei Entity Voluntary Filers
EntityVoluntaryFilers
No
dei Entity Current Reporting Status
EntityCurrentReportingStatus
Yes
dei Entity Filer Category
EntityFilerCategory
Large Accelerated Filer
CY2011Q2 dei Entity Common Stock Shares Outstanding
EntityCommonStockSharesOutstanding
662692262 shares
us-gaap Depreciation Amortization And Accretion Net
DepreciationAmortizationAndAccretionNet
1455000000 USD
us-gaap Deferred Income Taxes And Tax Credits
DeferredIncomeTaxesAndTaxCredits
-373000000 USD
us-gaap Unrealized Gain Loss On Derivatives
UnrealizedGainLossOnDerivatives
123000000 USD
us-gaap Gain Loss On Investments
GainLossOnInvestments
-59000000 USD
us-gaap Adjustments Noncash Items To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities Other
AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesOther
278000000 USD
us-gaap Increase Decrease In Receivables
IncreaseDecreaseInReceivables
229000000 USD
us-gaap Increase Decrease In Inventories
IncreaseDecreaseInInventories
-1000000 USD
us-gaap Increase Decrease In Accounts Payable And Accrued Liabilities
IncreaseDecreaseInAccountsPayableAndAccruedLiabilities
-239000000 USD
exc Changes In Option Premiums Collected Received
ChangesInOptionPremiumsCollectedReceived
15000000 USD
exc Increase Decrease In Counterparty Collateral Net
IncreaseDecreaseInCounterpartyCollateralNet
172000000 USD
us-gaap Increase Decrease In Accrued Income Taxes Payable
IncreaseDecreaseInAccruedIncomeTaxesPayable
661000000 USD
us-gaap Pension And Other Postretirement Benefit Contributions
PensionAndOtherPostretirementBenefitContributions
119000000 USD
us-gaap Increase Decrease In Other Operating Capital Net
IncreaseDecreaseInOtherOperatingCapitalNet
9000000 USD
us-gaap Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
2369000000 USD
us-gaap Payments To Acquire Property Plant And Equipment
PaymentsToAcquirePropertyPlantAndEquipment
1584000000 USD
us-gaap Proceeds From Sale And Maturity Of Other Investments
ProceedsFromSaleAndMaturityOfOtherInvestments
1799000000 USD
us-gaap Payments To Acquire Other Investments
PaymentsToAcquireOtherInvestments
1897000000 USD
us-gaap Increase Decrease In Restricted Cash
IncreaseDecreaseInRestrictedCash
6000000 USD
us-gaap Payments For Proceeds From Other Investing Activities
PaymentsForProceedsFromOtherInvestingActivities
-30000000 USD
us-gaap Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
-1658000000 USD
us-gaap Proceeds From Repayments Of Short Term Debt Maturing In Three Months Or Less
ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess
134000000 USD
us-gaap Proceeds From Issuance Of Long Term Debt
ProceedsFromIssuanceOfLongTermDebt
0 USD
us-gaap Repayments Of Long Term Debt
RepaymentsOfLongTermDebt
615000000 USD
us-gaap Repayments Of Other Long Term Debt
RepaymentsOfOtherLongTermDebt
402000000 USD
us-gaap Payments Of Dividends Common Stock
PaymentsOfDividendsCommonStock
694000000 USD
us-gaap Proceeds From Stock Plans
ProceedsFromStockPlans
22000000 USD
us-gaap Proceeds From Payments For Other Financing Activities
ProceedsFromPaymentsForOtherFinancingActivities
2000000 USD
us-gaap Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
-1553000000 USD
us-gaap Cash And Cash Equivalents Period Increase Decrease
CashAndCashEquivalentsPeriodIncreaseDecrease
-842000000 USD
CY2009Q4 us-gaap Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
2010000000 USD
CY2010Q2 us-gaap Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
1168000000 USD
us-gaap Depreciation Amortization And Accretion Net
DepreciationAmortizationAndAccretionNet
1114000000 USD
us-gaap Deferred Income Taxes And Tax Credits
DeferredIncomeTaxesAndTaxCredits
590000000 USD
us-gaap Unrealized Gain Loss On Derivatives
UnrealizedGainLossOnDerivatives
-264000000 USD
us-gaap Gain Loss On Investments
GainLossOnInvestments
51000000 USD
us-gaap Adjustments Noncash Items To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities Other
AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesOther
378000000 USD
us-gaap Increase Decrease In Receivables
IncreaseDecreaseInReceivables
0 USD
us-gaap Increase Decrease In Inventories
IncreaseDecreaseInInventories
-17000000 USD
us-gaap Increase Decrease In Accounts Payable And Accrued Liabilities
IncreaseDecreaseInAccountsPayableAndAccruedLiabilities
-486000000 USD
exc Changes In Option Premiums Collected Received
ChangesInOptionPremiumsCollectedReceived
-38000000 USD
exc Increase Decrease In Counterparty Collateral Net
IncreaseDecreaseInCounterpartyCollateralNet
494000000 USD
us-gaap Increase Decrease In Accrued Income Taxes Payable
IncreaseDecreaseInAccruedIncomeTaxesPayable
691000000 USD
us-gaap Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
1013000000 USD
us-gaap Payments To Acquire Property Plant And Equipment
PaymentsToAcquirePropertyPlantAndEquipment
1985000000 USD
us-gaap Proceeds From Sale And Maturity Of Other Investments
ProceedsFromSaleAndMaturityOfOtherInvestments
1657000000 USD
us-gaap Payments To Acquire Other Investments
PaymentsToAcquireOtherInvestments
1772000000 USD
us-gaap Increase Decrease In Restricted Cash
IncreaseDecreaseInRestrictedCash
2000000 USD
us-gaap Payments For Proceeds From Other Investing Activities
PaymentsForProceedsFromOtherInvestingActivities
-28000000 USD
us-gaap Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
-2074000000 USD
us-gaap Proceeds From Repayments Of Short Term Debt Maturing In Three Months Or Less
ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess
140000000 USD
us-gaap Proceeds From Issuance Of Long Term Debt
ProceedsFromIssuanceOfLongTermDebt
599000000 USD
us-gaap Repayments Of Long Term Debt
RepaymentsOfLongTermDebt
2000000 USD
us-gaap Repayments Of Other Long Term Debt
RepaymentsOfOtherLongTermDebt
0 USD
us-gaap Payments Of Dividends Common Stock
PaymentsOfDividendsCommonStock
695000000 USD
us-gaap Proceeds From Stock Plans
ProceedsFromStockPlans
15000000 USD
us-gaap Proceeds From Payments For Other Financing Activities
ProceedsFromPaymentsForOtherFinancingActivities
-46000000 USD
us-gaap Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
11000000 USD
us-gaap Cash And Cash Equivalents Period Increase Decrease
CashAndCashEquivalentsPeriodIncreaseDecrease
-1050000000 USD
CY2010Q4 us-gaap Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
1612000000 USD
CY2011Q2 us-gaap Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
562000000 USD
us-gaap Increase Decrease In Other Operating Capital Net
IncreaseDecreaseInOtherOperatingCapitalNet
247000000 USD
us-gaap Pension And Other Postretirement Benefit Contributions
PensionAndOtherPostretirementBenefitContributions
2089000000 USD
CY2010Q4 us-gaap Restricted Cash And Investments Current
RestrictedCashAndInvestmentsCurrent
30000000 USD
CY2010Q4 us-gaap Accounts Receivable Net Current
AccountsReceivableNetCurrent
1932000000 USD
CY2010Q4 us-gaap Other Receivables
OtherReceivables
1196000000 USD
CY2010Q4 us-gaap Derivative Assets Current
DerivativeAssetsCurrent
487000000 USD
CY2010Q4 us-gaap Energy Related Inventory Other Fossil Fuel
EnergyRelatedInventoryOtherFossilFuel
216000000 USD
CY2010Q4 us-gaap Inventory Raw Materials And Supplies
InventoryRawMaterialsAndSupplies
590000000 USD
CY2010Q4 us-gaap Other Assets Current
OtherAssetsCurrent
325000000 USD
CY2010Q4 us-gaap Assets Current
AssetsCurrent
6398000000 USD
CY2010Q4 us-gaap Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
29941000000 USD
CY2010Q4 us-gaap Long Term Investments
LongTermInvestments
717000000 USD
CY2010Q4 us-gaap Investments In Affiliates Subsidiaries Associates And Joint Ventures
InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures
15000000 USD
CY2010Q4 us-gaap Goodwill
Goodwill
2625000000 USD
CY2010Q4 us-gaap Derivative Assets Noncurrent
DerivativeAssetsNoncurrent
409000000 USD
CY2010Q4 us-gaap Other Assets Noncurrent
OtherAssetsNoncurrent
763000000 USD
CY2010Q4 exc Total Deferred Debits And Other Assets
TotalDeferredDebitsAndOtherAssets
15901000000 USD
CY2010Q4 us-gaap Assets
Assets
52240000000 USD
CY2011Q2 us-gaap Restricted Cash And Investments Current
RestrictedCashAndInvestmentsCurrent
35000000 USD
CY2011Q2 us-gaap Accounts Receivable Net Current
AccountsReceivableNetCurrent
1766000000 USD
CY2011Q2 us-gaap Other Receivables
OtherReceivables
697000000 USD
CY2011Q2 us-gaap Derivative Assets Current
DerivativeAssetsCurrent
438000000 USD
CY2011Q2 us-gaap Energy Related Inventory Other Fossil Fuel
EnergyRelatedInventoryOtherFossilFuel
161000000 USD
CY2011Q2 us-gaap Inventory Raw Materials And Supplies
InventoryRawMaterialsAndSupplies
625000000 USD
CY2011Q2 us-gaap Other Assets Current
OtherAssetsCurrent
509000000 USD
CY2011Q2 us-gaap Assets Current
AssetsCurrent
4987000000 USD
CY2011Q2 us-gaap Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
30856000000 USD
CY2011Q2 us-gaap Long Term Investments
LongTermInvestments
736000000 USD
CY2011Q2 us-gaap Investments In Affiliates Subsidiaries Associates And Joint Ventures
InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures
15000000 USD
CY2011Q2 us-gaap Goodwill
Goodwill
2625000000 USD
CY2011Q2 us-gaap Derivative Assets Noncurrent
DerivativeAssetsNoncurrent
324000000 USD
CY2011Q2 us-gaap Other Assets Noncurrent
OtherAssetsNoncurrent
751000000 USD
CY2011Q2 exc Total Deferred Debits And Other Assets
TotalDeferredDebitsAndOtherAssets
16143000000 USD
CY2011Q2 us-gaap Assets
Assets
51986000000 USD
CY2011Q2 us-gaap Pledged Assets Not Separately Reported Finance Receivables
PledgedAssetsNotSeparatelyReportedFinanceReceivables
309000000 USD
CY2011Q2 us-gaap Regulatory Assets Noncurrent
RegulatoryAssetsNoncurrent
4189000000 USD
CY2010Q4 us-gaap Regulatory Assets Noncurrent
RegulatoryAssetsNoncurrent
4140000000 USD
CY2011Q2 us-gaap Decommissioning Fund Investments
DecommissioningFundInvestments
6699000000 USD
CY2010Q4 us-gaap Decommissioning Fund Investments
DecommissioningFundInvestments
6408000000 USD
CY2011Q2 us-gaap Assets Held In Trust Noncurrent
AssetsHeldInTrustNoncurrent
804000000 USD
CY2010Q4 us-gaap Assets Held In Trust Noncurrent
AssetsHeldInTrustNoncurrent
824000000 USD
CY2010Q4 us-gaap Pledged Assets Not Separately Reported Finance Receivables
PledgedAssetsNotSeparatelyReportedFinanceReceivables
346000000 USD
CY2011Q2 us-gaap Deferred Tax Assets Net Current
DeferredTaxAssetsNetCurrent
69000000 USD
CY2010Q4 us-gaap Deferred Tax Assets Net Current
DeferredTaxAssetsNetCurrent
0 USD
CY2011Q2 us-gaap Regulatory Assets Current
RegulatoryAssetsCurrent
125000000 USD
CY2010Q4 us-gaap Regulatory Assets Current
RegulatoryAssetsCurrent
10000000 USD
CY2010Q4 us-gaap Short Term Borrowings
ShortTermBorrowings
0 USD
CY2010Q4 us-gaap Other Notes Payable Current
OtherNotesPayableCurrent
225000000 USD
CY2010Q4 us-gaap Long Term Debt And Capital Lease Obligations Current
LongTermDebtAndCapitalLeaseObligationsCurrent
599000000 USD
CY2010Q4 us-gaap Accounts Payable Current
AccountsPayableCurrent
1373000000 USD
CY2010Q4 us-gaap Accrued Liabilities Current
AccruedLiabilitiesCurrent
1040000000 USD
CY2010Q4 us-gaap Deferred Tax Liabilities Current
DeferredTaxLiabilitiesCurrent
85000000 USD
CY2010Q4 us-gaap Derivative Liabilities Current
DerivativeLiabilitiesCurrent
38000000 USD
CY2010Q4 us-gaap Other Liabilities Current
OtherLiabilitiesCurrent
836000000 USD
CY2010Q4 us-gaap Liabilities Current
LiabilitiesCurrent
4240000000 USD
CY2010Q4 us-gaap Long Term Debt Noncurrent
LongTermDebtNoncurrent
11614000000 USD
CY2010Q4 us-gaap Due To Related Parties Noncurrent
DueToRelatedPartiesNoncurrent
390000000 USD
CY2010Q4 exc Deferred Income Taxes And Unamortized Investment Tax Credits
DeferredIncomeTaxesAndUnamortizedInvestmentTaxCredits
6621000000 USD
CY2010Q4 us-gaap Asset Retirement Obligations Noncurrent
AssetRetirementObligationsNoncurrent
3494000000 USD
CY2010Q4 us-gaap Defined Benefit Pension Plan Liabilities Noncurrent
DefinedBenefitPensionPlanLiabilitiesNoncurrent
3658000000 USD
CY2010Q4 us-gaap Other Postretirement Defined Benefit Plan Liabilities Noncurrent
OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent
2218000000 USD
CY2010Q4 us-gaap Spent Nuclear Fuel Obligation Noncurrent
SpentNuclearFuelObligationNoncurrent
1018000000 USD
CY2010Q4 us-gaap Other Liabilities Noncurrent
OtherLiabilitiesNoncurrent
1102000000 USD
CY2010Q4 exc Total Deferred Credits And Other Liabilities
TotalDeferredCreditsAndOtherLiabilities
22346000000 USD
CY2010Q4 us-gaap Liabilities
Liabilities
38590000000 USD
CY2010Q4 us-gaap Temporary Equity Carrying Amount
TemporaryEquityCarryingAmount
87000000 USD
CY2010Q4 us-gaap Common Stock Value
CommonStockValue
9006000000 USD
CY2010Q4 us-gaap Retained Earnings Accumulated Deficit
RetainedEarningsAccumulatedDeficit
9304000000 USD
CY2010Q4 us-gaap Accumulated Other Comprehensive Income Loss Net Of Tax
AccumulatedOtherComprehensiveIncomeLossNetOfTax
-2423000000 USD
CY2010Q4 us-gaap Stockholders Equity
StockholdersEquity
13560000000 USD
CY2010Q4 us-gaap Liabilities And Stockholders Equity
LiabilitiesAndStockholdersEquity
52240000000 USD
CY2011Q2 us-gaap Short Term Borrowings
ShortTermBorrowings
140000000 USD
CY2011Q2 us-gaap Other Notes Payable Current
OtherNotesPayableCurrent
225000000 USD
CY2011Q2 us-gaap Long Term Debt And Capital Lease Obligations Current
LongTermDebtAndCapitalLeaseObligationsCurrent
1048000000 USD
CY2011Q2 us-gaap Accounts Payable Current
AccountsPayableCurrent
1297000000 USD
CY2011Q2 us-gaap Accrued Liabilities Current
AccruedLiabilitiesCurrent
878000000 USD
CY2011Q2 us-gaap Deferred Tax Liabilities Current
DeferredTaxLiabilitiesCurrent
0 USD
CY2011Q2 us-gaap Derivative Liabilities Current
DerivativeLiabilitiesCurrent
50000000 USD
CY2011Q2 us-gaap Other Liabilities Current
OtherLiabilitiesCurrent
567000000 USD
CY2011Q2 us-gaap Liabilities Current
LiabilitiesCurrent
4268000000 USD
CY2011Q2 us-gaap Long Term Debt Noncurrent
LongTermDebtNoncurrent
11764000000 USD
CY2011Q2 us-gaap Due To Related Parties Noncurrent
DueToRelatedPartiesNoncurrent
390000000 USD
CY2011Q2 exc Deferred Income Taxes And Unamortized Investment Tax Credits
DeferredIncomeTaxesAndUnamortizedInvestmentTaxCredits
7391000000 USD
CY2011Q2 us-gaap Asset Retirement Obligations Noncurrent
AssetRetirementObligationsNoncurrent
3597000000 USD
CY2011Q2 us-gaap Defined Benefit Pension Plan Liabilities Noncurrent
DefinedBenefitPensionPlanLiabilitiesNoncurrent
1495000000 USD
CY2011Q2 us-gaap Other Postretirement Defined Benefit Plan Liabilities Noncurrent
OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent
2311000000 USD
CY2011Q2 us-gaap Spent Nuclear Fuel Obligation Noncurrent
SpentNuclearFuelObligationNoncurrent
1019000000 USD
CY2011Q2 us-gaap Derivative Liabilities Noncurrent
DerivativeLiabilitiesNoncurrent
66000000 USD
CY2011Q2 us-gaap Other Liabilities Noncurrent
OtherLiabilitiesNoncurrent
1137000000 USD
CY2011Q2 exc Total Deferred Credits And Other Liabilities
TotalDeferredCreditsAndOtherLiabilities
21362000000 USD
CY2011Q2 us-gaap Liabilities
Liabilities
37784000000 USD
CY2011Q2 us-gaap Temporary Equity Carrying Amount
TemporaryEquityCarryingAmount
87000000 USD
CY2011Q2 us-gaap Common Stock Value
CommonStockValue
9054000000 USD
CY2011Q2 us-gaap Retained Earnings Accumulated Deficit
RetainedEarningsAccumulatedDeficit
9894000000 USD
CY2011Q2 us-gaap Accumulated Other Comprehensive Income Loss Net Of Tax
AccumulatedOtherComprehensiveIncomeLossNetOfTax
-2509000000 USD
CY2011Q2 us-gaap Stockholders Equity
StockholdersEquity
14112000000 USD
CY2011Q2 us-gaap Liabilities And Stockholders Equity
LiabilitiesAndStockholdersEquity
51986000000 USD
CY2010Q4 us-gaap Common Stock No Par Value
CommonStockNoParValue
0
CY2010Q4 us-gaap Common Stock Shares Authorized
CommonStockSharesAuthorized
2000000000 shares
CY2010Q4 us-gaap Common Stock Shares Outstanding
CommonStockSharesOutstanding
662000000 shares
CY2010Q4 us-gaap Treasury Stock Shares
TreasuryStockShares
35000000 shares
CY2011Q2 us-gaap Common Stock No Par Value
CommonStockNoParValue
0
CY2011Q2 us-gaap Common Stock Shares Authorized
CommonStockSharesAuthorized
2000000000 shares
CY2011Q2 us-gaap Common Stock Shares Outstanding
CommonStockSharesOutstanding
663000000 shares
CY2011Q2 us-gaap Treasury Stock Shares
TreasuryStockShares
35000000 shares
us-gaap Commitments And Contingencies2009
CommitmentsAndContingencies2009
 -
CY2010 us-gaap Commitments And Contingencies2009
CommitmentsAndContingencies2009
 -
CY2011Q2 us-gaap Treasury Stock Value
TreasuryStockValue
2327000000 USD
CY2011Q2 us-gaap Regulatory Liability Noncurrent
RegulatoryLiabilityNoncurrent
3706000000 USD
CY2010Q4 us-gaap Regulatory Liability Noncurrent
RegulatoryLiabilityNoncurrent
3555000000 USD
CY2011Q2 us-gaap Minority Interest
MinorityInterest
3000000 USD
CY2010Q4 us-gaap Minority Interest
MinorityInterest
3000000 USD
CY2011Q2 us-gaap Stockholders Equity Including Portion Attributable To Noncontrolling Interest
StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
14115000000 USD
CY2010Q4 us-gaap Stockholders Equity Including Portion Attributable To Noncontrolling Interest
StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
13563000000 USD
CY2011Q2 us-gaap Regulatory Liability Current
RegulatoryLiabilityCurrent
63000000 USD
CY2010Q4 us-gaap Regulatory Liability Current
RegulatoryLiabilityCurrent
44000000 USD
CY2011Q2 exc Payable To Zionsolutions
PayableToZionsolutions
640000000 USD
CY2010Q4 exc Payable To Zionsolutions
PayableToZionsolutions
659000000 USD
CY2010Q4 us-gaap Derivative Liabilities Noncurrent
DerivativeLiabilitiesNoncurrent
21000000 USD
CY2010Q4 us-gaap Treasury Stock Value
TreasuryStockValue
2327000000 USD
exc Stock Issued During Period Value Long Term Incentive Plan Activity
StockIssuedDuringPeriodValueLongTermIncentivePlanActivity
48000000 USD
us-gaap Dividends Common Stock Cash
DividendsCommonStockCash
698000000 USD
CY2011Q2 exc Consolidated Subsidiary Ownership Percentage
ConsolidatedSubsidiaryOwnershipPercentage
1 pure
CY2011Q2 us-gaap Minority Interest Ownership Percentage By Parent
MinorityInterestOwnershipPercentageByParent
0.99 pure
CY2011Q2 exc Consolidated Subsidiary Common Stock Ownership Percentage
ConsolidatedSubsidiaryCommonStockOwnershipPercentage
1 pure
CY2011Q2 us-gaap Equity Method Investment Ownership Percentage
EquityMethodInvestmentOwnershipPercentage
0.01 pure
CY2011Q2 exc Minority Interest Upper Bound
MinorityInterestUpperBound
1000000 USD
CY2011Q2 us-gaap Regulatory Assets
RegulatoryAssets
4314000000 USD
CY2011Q2 us-gaap Regulatory Liabilities
RegulatoryLiabilities
3769000000 USD
CY2010Q4 us-gaap Regulatory Assets
RegulatoryAssets
4150000000 USD
CY2010Q4 us-gaap Regulatory Liabilities
RegulatoryLiabilities
3599000000 USD
CY2011Q2 exc Other Cost And Expense Operating Energy Efficiency And Demand Response Programs
OtherCostAndExpenseOperatingEnergyEfficiencyAndDemandResponsePrograms
37000000 USD
CY2011Q2 exc Other Cost And Expense Operating Advanced Metering Infrastructure Pilot Program
OtherCostAndExpenseOperatingAdvancedMeteringInfrastructurePilotProgram
2000000 USD
CY2011Q2 exc Other Cost And Expense Operating Purchased Power Administrative Costs
OtherCostAndExpenseOperatingPurchasedPowerAdministrativeCosts
2000000 USD
CY2011Q2 exc Other Cost And Expense Operating Consumer Education Costs
OtherCostAndExpenseOperatingConsumerEducationCosts
0 USD
exc Other Cost And Expense Operating Energy Efficiency And Demand Response Programs
OtherCostAndExpenseOperatingEnergyEfficiencyAndDemandResponsePrograms
70000000 USD
exc Other Cost And Expense Operating Advanced Metering Infrastructure Pilot Program
OtherCostAndExpenseOperatingAdvancedMeteringInfrastructurePilotProgram
4000000 USD
exc Other Cost And Expense Operating Purchased Power Administrative Costs
OtherCostAndExpenseOperatingPurchasedPowerAdministrativeCosts
4000000 USD
exc Other Cost And Expense Operating Consumer Education Costs
OtherCostAndExpenseOperatingConsumerEducationCosts
1000000 USD
CY2010Q2 exc Other Cost And Expense Operating Energy Efficiency And Demand Response Programs
OtherCostAndExpenseOperatingEnergyEfficiencyAndDemandResponsePrograms
33000000 USD
CY2010Q2 exc Other Cost And Expense Operating Purchased Power Administrative Costs
OtherCostAndExpenseOperatingPurchasedPowerAdministrativeCosts
1000000 USD
exc Other Cost And Expense Operating Energy Efficiency And Demand Response Programs
OtherCostAndExpenseOperatingEnergyEfficiencyAndDemandResponsePrograms
58000000 USD
exc Other Cost And Expense Operating Purchased Power Administrative Costs
OtherCostAndExpenseOperatingPurchasedPowerAdministrativeCosts
2000000 USD
exc Other Cost And Expense Operating Consumer Education Costs
OtherCostAndExpenseOperatingConsumerEducationCosts
1000000 USD
CY2010Q1 exc Other Cost And Expense Operating Regulatory Required Programs
OtherCostAndExpenseOperatingRegulatoryRequiredPrograms
61000000 USD
CY2010Q4 exc Operating Wind Capacity Acquired By Parent Company
OperatingWindCapacityAcquiredByParentCompany
735 MW
CY2010Q4 us-gaap Business Acquisition Cost Of Acquired Entity Cash Paid
BusinessAcquisitionCostOfAcquiredEntityCashPaid
893000000 USD
CY2010Q4 us-gaap Business Acquisition Contingent Consideration At Fair Value
BusinessAcquisitionContingentConsiderationAtFairValue
-32000000 USD
CY2010Q4 us-gaap Business Combination Consideration Transferred
BusinessCombinationConsiderationTransferred
925000000 USD
CY2010Q4 us-gaap Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Property Plant And Equipment
BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment
700000000 USD
CY2010Q4 us-gaap Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Intangibles
BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles
224000000 USD
CY2010Q4 exc Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Working Capital
BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedWorkingCapital
18000000 USD
CY2010Q4 exc Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Asset Retirement Obligation
BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetRetirementObligation
13000000 USD
CY2010Q4 us-gaap Business Combination Acquisition Of Less Than100 Percent Noncontrolling Interest Fair Value
BusinessCombinationAcquisitionOfLessThan100PercentNoncontrollingInterestFairValue
3000000 USD
CY2010Q4 exc Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Other Assets And Liabilities
BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherAssetsAndLiabilities
1000000 USD
CY2010Q4 us-gaap Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Net
BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet
925000000 USD
CY2011Q2 exc Fair Value Liabilities Measured On Recurring Basis Total
FairValueLiabilitiesMeasuredOnRecurringBasisTotal
188000000 USD
CY2011Q2 exc Fair Value Asset And Liabilities Measured On Recurring Basis Total Net
FairValueAssetAndLiabilitiesMeasuredOnRecurringBasisTotalNet
8471000000 USD
CY2010Q4 us-gaap Fair Value Assets Measured On Recurring Basis Cash And Cash Equivalents
FairValueAssetsMeasuredOnRecurringBasisCashAndCashEquivalents
1473000000 USD
CY2010Q4 exc Fair Value Assets Measured On Recurring Basis Total
FairValueAssetsMeasuredOnRecurringBasisTotal
9601000000 USD
CY2010Q4 exc Fair Value Liabilities Measured On Recurring Basis Deferred Compensation
FairValueLiabilitiesMeasuredOnRecurringBasisDeferredCompensation
76000000 USD
CY2010Q4 exc Fair Value Liabilities Measured On Recurring Basis Total
FairValueLiabilitiesMeasuredOnRecurringBasisTotal
135000000 USD
CY2010Q4 exc Fair Value Asset And Liabilities Measured On Recurring Basis Total Net
FairValueAssetAndLiabilitiesMeasuredOnRecurringBasisTotalNet
9466000000 USD
CY2011Q1 exc Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Liability Value
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetLiabilityValue
82000000 USD
CY2011Q2 exc Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Liability Gain Loss Included In Earnings
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetLiabilityGainLossIncludedInEarnings
21000000 USD
CY2011Q2 exc Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Liability Gain Loss Included In Other Comprehensive Income
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetLiabilityGainLossIncludedInOtherComprehensiveIncome
-3000000 USD
CY2011Q2 exc Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Liability Gain Loss Included In Regulatory Assets Liabilities
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetLiabilityGainLossIncludedInRegulatoryAssetsLiabilities
-85000000 USD
CY2011Q2 exc Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Liability Gain Loss Change In Collateral
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetLiabilityGainLossChangeInCollateral
2000000 USD
CY2011Q2 exc Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases
17000000 USD
CY2011Q2 exc Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Sales
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales
-12000000 USD
CY2011Q2 exc Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Liability Transfers Net
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetLiabilityTransfersNet
-7000000 USD
CY2011Q2 exc Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Liability Total Gain Loss Included In Earnings Attributed To Changes In Unrealized Gains Losses
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetLiabilityTotalGainLossIncludedInEarningsAttributedToChangesInUnrealizedGainsLosses
30000000 USD
CY2010Q4 exc Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Liability Value
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetLiabilityValue
50000000 USD
exc Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Liability Gain Loss Included In Earnings
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetLiabilityGainLossIncludedInEarnings
8000000 USD
exc Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Liability Gain Loss Included In Other Comprehensive Income
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetLiabilityGainLossIncludedInOtherComprehensiveIncome
-12000000 USD
CY2010Q3 exc Long Term Debt Issued Retired
LongTermDebtIssuedRetired
900000000 USD
CY2010Q4 us-gaap Business Acquisition Contingent Consideration Potential Cash Payment
BusinessAcquisitionContingentConsiderationPotentialCashPayment
40000000 USD
CY2010Q4 exc Additional Wind Projects To Be Acquired By Parent Company In Advance Stages Of Development
AdditionalWindProjectsToBeAcquiredByParentCompanyInAdvanceStagesOfDevelopment
230 MW
CY2011Q2 us-gaap Business Acquisition Contingent Consideration At Fair Value
BusinessAcquisitionContingentConsiderationAtFairValue
32000000 USD
CY2011Q2 exc Business Acquisition Contingent Consideration At Fair Value Current
BusinessAcquisitionContingentConsiderationAtFairValueCurrent
24000000 USD
CY2010Q4 us-gaap Business Combination Acquired Receivables Gross Contractual Amount
BusinessCombinationAcquiredReceivablesGrossContractualAmount
18000000 USD
CY2011Q2 us-gaap Finite Lived Intangible Assets Gross
FiniteLivedIntangibleAssetsGross
224000000 USD
CY2011Q2 us-gaap Finite Lived Intangible Assets Accumulated Amortization
FiniteLivedIntangibleAssetsAccumulatedAmortization
7000000 USD
CY2011Q2 us-gaap Finite Lived Intangible Assets Net
FiniteLivedIntangibleAssetsNet
217000000 USD
us-gaap Future Amortization Expense Year One
FutureAmortizationExpenseYearOne
6000000 USD
us-gaap Future Amortization Expense Year Two
FutureAmortizationExpenseYearTwo
13000000 USD
us-gaap Future Amortization Expense Year Three
FutureAmortizationExpenseYearThree
14000000 USD
us-gaap Future Amortization Expense Year Four
FutureAmortizationExpenseYearFour
14000000 USD
us-gaap Future Amortization Expense Year Five
FutureAmortizationExpenseYearFive
14000000 USD
CY2011Q2 us-gaap Business Acquisition Cost Of Acquired Entity Transaction Costs
BusinessAcquisitionCostOfAcquiredEntityTransactionCosts
24000000 USD
exc Business Acquisition Cost Of Acquired Entity Integration Costs
BusinessAcquisitionCostOfAcquiredEntityIntegrationCosts
500000000 USD
CY2011Q2 us-gaap Business Acquisition Cost Of Acquired Entity Purchase Price
BusinessAcquisitionCostOfAcquiredEntityPurchasePrice
7900000000 USD
CY2011Q2 exc Proposed Generation Plant Divestiture Wattage
ProposedGenerationPlantDivestitureWattage
2648 MW
CY2011Q2 exc Plant Acquisition Purchase Price
PlantAcquisitionPurchasePrice
305000000 USD
CY2011Q2 exc Plant Acquisition Wattage
PlantAcquisitionWattage
720 MW
CY2011Q2 exc Gen Co Ppa With Wolf Hollow
GenCoPpaWithWolfHollow
340000000 USD
CY2011Q2 us-gaap Fair Value Assets Measured On Recurring Basis Cash And Cash Equivalents
FairValueAssetsMeasuredOnRecurringBasisCashAndCashEquivalents
450000000 USD
CY2011Q2 exc Fair Value Assets Measured On Recurring Basis Total
FairValueAssetsMeasuredOnRecurringBasisTotal
8659000000 USD
CY2011Q2 exc Fair Value Liabilities Measured On Recurring Basis Deferred Compensation
FairValueLiabilitiesMeasuredOnRecurringBasisDeferredCompensation
72000000 USD
exc Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Liability Gain Loss Included In Regulatory Assets Liabilities
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetLiabilityGainLossIncludedInRegulatoryAssetsLiabilities
-33000000 USD
exc Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Liability Gain Loss Change In Collateral
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetLiabilityGainLossChangeInCollateral
7000000 USD
exc Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases
48000000 USD
exc Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Sales
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales
-12000000 USD
exc Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Liability Transfers Net
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetLiabilityTransfersNet
-41000000 USD
CY2011Q2 exc Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Liability Value
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetLiabilityValue
18000000 USD
exc Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Liability Total Gain Loss Included In Earnings Attributed To Changes In Unrealized Gains Losses
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetLiabilityTotalGainLossIncludedInEarningsAttributedToChangesInUnrealizedGainsLosses
23000000 USD
CY2011Q2 exc Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Liability Gain Loss Included In Nuclear Decommissioning Payable
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetLiabilityGainLossIncludedInNuclearDecommissioningPayable
3000000 USD
exc Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Liability Gain Loss Included In Nuclear Decommissioning Payable
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetLiabilityGainLossIncludedInNuclearDecommissioningPayable
3000000 USD
CY2010Q1 exc Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Liability Value
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetLiabilityValue
33000000 USD
CY2010Q2 exc Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Liability Gain Loss Included In Other Comprehensive Income
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetLiabilityGainLossIncludedInOtherComprehensiveIncome
-11000000 USD
CY2010Q2 exc Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Liability Gain Loss Included In Regulatory Assets Liabilities
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetLiabilityGainLossIncludedInRegulatoryAssetsLiabilities
1000000 USD
CY2010Q2 exc Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Liability Gain Loss Change In Collateral
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetLiabilityGainLossChangeInCollateral
9000000 USD
CY2010Q2 exc Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases
12000000 USD
CY2010Q2 exc Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Liability Transfers Net
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetLiabilityTransfersNet
24000000 USD
CY2009Q4 exc Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Liability Value
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetLiabilityValue
-46000000 USD
exc Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Liability Gain Loss Included In Earnings
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetLiabilityGainLossIncludedInEarnings
82000000 USD
exc Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Liability Gain Loss Included In Other Comprehensive Income
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetLiabilityGainLossIncludedInOtherComprehensiveIncome
7000000 USD
exc Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Liability Gain Loss Included In Regulatory Assets Liabilities
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetLiabilityGainLossIncludedInRegulatoryAssetsLiabilities
-2000000 USD
exc Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Liability Gain Loss Change In Collateral
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetLiabilityGainLossChangeInCollateral
-8000000 USD
exc Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases
12000000 USD
exc Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Liability Transfers Net
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetLiabilityTransfersNet
23000000 USD
CY2010Q2 exc Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Liability Value
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetLiabilityValue
68000000 USD
exc Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Liability Total Gain Loss Included In Earnings Attributed To Changes In Unrealized Gains Losses
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetLiabilityTotalGainLossIncludedInEarningsAttributedToChangesInUnrealizedGainsLosses
78000000 USD
CY2010Q2 exc Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Liability Total Gain Loss Included In Earnings Attributed To Changes In Unrealized Gains Losses
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetLiabilityTotalGainLossIncludedInEarningsAttributedToChangesInUnrealizedGainsLosses
1000000 USD
CY2010Q4 us-gaap Pledged Assets Separately Reported On Statement Of Financial Position At Fair Value
PledgedAssetsSeparatelyReportedOnStatementOfFinancialPositionAtFairValue
225000000 USD
CY2011Q2 us-gaap Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
0.35 pure
CY2011Q2 us-gaap Effective Income Tax Rate Reconciliation State And Local Income Taxes
EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes
0.02 pure
CY2011Q2 exc Effective Income Tax Rate Reconciliation Qualified Nuclear Decommissioning Trust Fund Income Losses
EffectiveIncomeTaxRateReconciliationQualifiedNuclearDecommissioningTrustFundIncomeLosses
0.013 pure
CY2011Q2 us-gaap Effective Income Tax Rate Reconciliation Deductions Qualified Production Activities
EffectiveIncomeTaxRateReconciliationDeductionsQualifiedProductionActivities
-0.01 pure
CY2011Q2 us-gaap Effective Income Tax Rate Reconciliation Tax Exempt Income
EffectiveIncomeTaxRateReconciliationTaxExemptIncome
-0.002 pure
CY2011Q2 us-gaap Effective Income Tax Rate Reconciliation Tax Credits Investment
EffectiveIncomeTaxRateReconciliationTaxCreditsInvestment
-0.002 pure
CY2011Q2 exc Effective Income Tax Rate Reconciliation Plant Basis Differences
EffectiveIncomeTaxRateReconciliationPlantBasisDifferences
0.00 pure
CY2011Q2 exc Effective Income Tax Rate Reconciliation Uncertain Tax Position Remeasurement
EffectiveIncomeTaxRateReconciliationUncertainTaxPositionRemeasurement
-0.009 pure
CY2011Q2 us-gaap Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
0.349 pure
us-gaap Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
0.35 pure
us-gaap Effective Income Tax Rate Reconciliation State And Local Income Taxes
EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes
0.039 pure
exc Effective Income Tax Rate Reconciliation Qualified Nuclear Decommissioning Trust Fund Income Losses
EffectiveIncomeTaxRateReconciliationQualifiedNuclearDecommissioningTrustFundIncomeLosses
0.018 pure
us-gaap Effective Income Tax Rate Reconciliation Deductions Qualified Production Activities
EffectiveIncomeTaxRateReconciliationDeductionsQualifiedProductionActivities
-0.01 pure
us-gaap Effective Income Tax Rate Reconciliation Tax Exempt Income
EffectiveIncomeTaxRateReconciliationTaxExemptIncome
-0.001 pure
us-gaap Effective Income Tax Rate Reconciliation Tax Credits Investment
EffectiveIncomeTaxRateReconciliationTaxCreditsInvestment
-0.002 pure
exc Effective Income Tax Rate Reconciliation Plant Basis Differences
EffectiveIncomeTaxRateReconciliationPlantBasisDifferences
0.00 pure
us-gaap Effective Income Tax Rate Reconciliation Other Adjustments
EffectiveIncomeTaxRateReconciliationOtherAdjustments
-0.008 pure
us-gaap Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
0.377 pure
CY2011Q2 exc Effective Income Tax Rate Reconciliation Elimination Of Deductions Medicare Prescription Drug Benefit
EffectiveIncomeTaxRateReconciliationEliminationOfDeductionsMedicarePrescriptionDrugBenefit
0.00 pure
exc Effective Income Tax Rate Reconciliation Elimination Of Deductions Medicare Prescription Drug Benefit
EffectiveIncomeTaxRateReconciliationEliminationOfDeductionsMedicarePrescriptionDrugBenefit
0.00 pure
us-gaap Effective Income Tax Rate Reconciliation Deductions Other
EffectiveIncomeTaxRateReconciliationDeductionsOther
-0.009 pure
CY2011Q2 us-gaap Effective Income Tax Rate Reconciliation Other Adjustments
EffectiveIncomeTaxRateReconciliationOtherAdjustments
-0.011 pure
CY2011Q2 exc Proceeds From Agreement Under Servicing Liability
ProceedsFromAgreementUnderServicingLiability
225000000 USD
CY2011Q2 us-gaap Notional Amount Of Interest Rate Fair Value Hedge Derivatives
NotionalAmountOfInterestRateFairValueHedgeDerivatives
100000000 USD
CY2010Q4 us-gaap Notional Amount Of Interest Rate Fair Value Hedge Derivatives
NotionalAmountOfInterestRateFairValueHedgeDerivatives
100000000 USD
CY2011Q2 us-gaap Interest Rate Derivative Assets At Fair Value
InterestRateDerivativeAssetsAtFairValue
14000000 USD
CY2010Q4 us-gaap Interest Rate Derivative Assets At Fair Value
InterestRateDerivativeAssetsAtFairValue
14000000 USD
CY2011Q2 exc Affiliate Derivative Assets Current
AffiliateDerivativeAssetsCurrent
0 USD
CY2011Q2 exc Affiliate Derivative Assets Noncurrent
AffiliateDerivativeAssetsNoncurrent
0 USD
CY2011Q2 exc Total Mark To Market Derivative Assets
TotalMarkToMarketDerivativeAssets
762000000 USD
CY2011Q2 exc Affiliate Derivative Liabilities Current
AffiliateDerivativeLiabilitiesCurrent
0 USD
CY2011Q2 exc Affiliate Derivative Liabilities Noncurrent
AffiliateDerivativeLiabilitiesNoncurrent
0 USD
CY2011Q2 exc Total Mark To Market Derivative Liabilities
TotalMarkToMarketDerivativeLiabilities
116000000 USD
CY2011Q2 us-gaap Derivative Fair Value Of Derivative Net
DerivativeFairValueOfDerivativeNet
646000000 USD
CY2010Q4 exc Affiliate Derivative Assets Current
AffiliateDerivativeAssetsCurrent
0 USD
CY2010Q4 exc Affiliate Derivative Assets Noncurrent
AffiliateDerivativeAssetsNoncurrent
0 USD
CY2010Q4 exc Total Mark To Market Derivative Assets
TotalMarkToMarketDerivativeAssets
896000000 USD
CY2010Q4 exc Affiliate Derivative Liabilities Current
AffiliateDerivativeLiabilitiesCurrent
0 USD
CY2010Q4 exc Affiliate Derivative Liabilities Noncurrent
AffiliateDerivativeLiabilitiesNoncurrent
0 USD
CY2010Q4 exc Total Mark To Market Derivative Liabilities
TotalMarkToMarketDerivativeLiabilities
59000000 USD
CY2010Q4 us-gaap Derivative Fair Value Of Derivative Net
DerivativeFairValueOfDerivativeNet
837000000 USD
CY2011Q2 us-gaap Interest Rate Fair Value Hedge Asset At Fair Value
InterestRateFairValueHedgeAssetAtFairValue
14000000 USD
CY2010Q4 exc Cash Collateral Received Not Offset Against Net Derivative Position
CashCollateralReceivedNotOffsetAgainstNetDerivativePosition
1000000 USD
CY2011Q2 us-gaap Cash Flow Hedge Gain Loss To Be Reclassified Within Twelve Months
CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths
127000000 USD
exc Hypothetical Ten Percent Increase
HypotheticalTenPercentIncrease
0.1 pure
exc Less Than One Million Decrease
LessThanOneMillionDecrease
1000000 USD
CY2011Q2 exc Cash Flow Hedge Ineffectiveness Adjustment To Accumulated Other Comprehensive Income
CashFlowHedgeIneffectivenessAdjustmentToAccumulatedOtherComprehensiveIncome
9000000 USD
CY2011Q2 exc Cash Collateral Received Not Offset Against Net Derivative Position
CashCollateralReceivedNotOffsetAgainstNetDerivativePosition
2000000 USD
us-gaap Cash Flow Hedge Gain Loss To Be Reclassified Within Twelve Months
CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths
231000000 USD
exc Change In Cash Flow Hedge Ineffectiveness
ChangeInCashFlowHedgeIneffectiveness
8000000 USD
CY2011Q2 exc Change In Cash Flow Hedge Ineffectiveness
ChangeInCashFlowHedgeIneffectiveness
6000000 USD
CY2010Q2 exc Change In Cash Flow Hedge Ineffectiveness
ChangeInCashFlowHedgeIneffectiveness
1000000 USD
CY2010Q2 exc Cash Flow Hedge Ineffectiveness Adjustment To Accumulated Other Comprehensive Income
CashFlowHedgeIneffectivenessAdjustmentToAccumulatedOtherComprehensiveIncome
1000000 USD
CY2010Q2 us-gaap Cash Flow Hedge Gain Loss To Be Reclassified Within Twelve Months
CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths
245000000 USD
us-gaap Cash Flow Hedge Gain Loss To Be Reclassified Within Twelve Months
CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths
383000000 USD
CY2011Q2 us-gaap Pledged Assets Separately Reported On Statement Of Financial Position At Fair Value
PledgedAssetsSeparatelyReportedOnStatementOfFinancialPositionAtFairValue
225000000 USD
CY2010Q2 us-gaap Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
0.35 pure
CY2010Q2 us-gaap Effective Income Tax Rate Reconciliation State And Local Income Taxes
EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes
0.033 pure
CY2010Q2 exc Effective Income Tax Rate Reconciliation Qualified Nuclear Decommissioning Trust Fund Income Losses
EffectiveIncomeTaxRateReconciliationQualifiedNuclearDecommissioningTrustFundIncomeLosses
-0.067 pure
CY2010Q2 us-gaap Effective Income Tax Rate Reconciliation Deductions Qualified Production Activities
EffectiveIncomeTaxRateReconciliationDeductionsQualifiedProductionActivities
-0.024 pure
CY2010Q2 us-gaap Effective Income Tax Rate Reconciliation Tax Exempt Income
EffectiveIncomeTaxRateReconciliationTaxExemptIncome
-0.002 pure
CY2010Q2 exc Effective Income Tax Rate Reconciliation Nontaxable Postretirement Benefits
EffectiveIncomeTaxRateReconciliationNontaxablePostretirementBenefits
0.00 pure
CY2010Q2 us-gaap Effective Income Tax Rate Reconciliation Tax Credits Investment
EffectiveIncomeTaxRateReconciliationTaxCreditsInvestment
-0.003 pure
CY2010Q2 exc Effective Income Tax Rate Reconciliation Plant Basis Differences
EffectiveIncomeTaxRateReconciliationPlantBasisDifferences
0.00 pure
CY2010Q2 exc Effective Income Tax Rate Reconciliation Uncertain Tax Position Remeasurement
EffectiveIncomeTaxRateReconciliationUncertainTaxPositionRemeasurement
0.00 pure
CY2010Q2 us-gaap Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
0.283 pure
us-gaap Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
0.35 pure
us-gaap Effective Income Tax Rate Reconciliation State And Local Income Taxes
EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes
0.036 pure
exc Effective Income Tax Rate Reconciliation Qualified Nuclear Decommissioning Trust Fund Income Losses
EffectiveIncomeTaxRateReconciliationQualifiedNuclearDecommissioningTrustFundIncomeLosses
-0.007 pure
us-gaap Effective Income Tax Rate Reconciliation Deductions Qualified Production Activities
EffectiveIncomeTaxRateReconciliationDeductionsQualifiedProductionActivities
-0.021 pure
us-gaap Effective Income Tax Rate Reconciliation Tax Exempt Income
EffectiveIncomeTaxRateReconciliationTaxExemptIncome
-0.002 pure
exc Effective Income Tax Rate Reconciliation Elimination Of Deductions Medicare Prescription Drug Benefit
EffectiveIncomeTaxRateReconciliationEliminationOfDeductionsMedicarePrescriptionDrugBenefit
0.03 pure
us-gaap Effective Income Tax Rate Reconciliation Tax Credits Investment
EffectiveIncomeTaxRateReconciliationTaxCreditsInvestment
-0.002 pure
exc Effective Income Tax Rate Reconciliation Plant Basis Differences
EffectiveIncomeTaxRateReconciliationPlantBasisDifferences
0.00 pure
exc Effective Income Tax Rate Reconciliation Uncertain Tax Position Remeasurement
EffectiveIncomeTaxRateReconciliationUncertainTaxPositionRemeasurement
0.00 pure
us-gaap Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
0.382 pure
CY2010Q2 us-gaap Effective Income Tax Rate Reconciliation Other Adjustments
EffectiveIncomeTaxRateReconciliationOtherAdjustments
-0.004 pure
us-gaap Effective Income Tax Rate Reconciliation Other Adjustments
EffectiveIncomeTaxRateReconciliationOtherAdjustments
-0.002 pure
CY2011Q2 us-gaap Unrecognized Tax Benefits That Would Impact Effective Tax Rate
UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate
818000000 USD
CY2011Q2 exc Deferred Income Tax Gain On Sale Of Assets
DeferredIncomeTaxGainOnSaleOfAssets
2800000000 USD
CY2011Q2 exc Deferred Income Tax Gain In Voluntary Conversion
DeferredIncomeTaxGainInVoluntaryConversion
1600000000 USD
exc Deferred Income Tax Gain Like Kind Exchange
DeferredIncomeTaxGainLikeKindExchange
1200000000 USD
exc Remeasurement Interest Expense
RemeasurementInterestExpense
65000000 USD
exc Unrecognized Tax Benefits Income Tax Penalties Expense Involuntary Conversion
UnrecognizedTaxBenefitsIncomeTaxPenaltiesExpenseInvoluntaryConversion
110000000 USD
CY2011Q2 exc Preliminary Tax Settlement Tax Assessed
PreliminaryTaxSettlementTaxAssessed
300000000 USD
CY2010 exc Preliminary Settlement Payment To Irs
PreliminarySettlementPaymentToIrs
302000000 USD
CY2011Q2 exc Income Tax And Penalties From Potential Settle With Taxing Authority
IncomeTaxAndPenaltiesFromPotentialSettleWithTaxingAuthority
840000000 USD
CY2011Q2 exc Income Tax Examination Interest Expense From Potential Settlement With Taxing Authority
IncomeTaxExaminationInterestExpenseFromPotentialSettlementWithTaxingAuthority
240000000 USD
exc Effective Income Tax Rate Reconciliation At State Statutory Income Tax Rate
EffectiveIncomeTaxRateReconciliationAtStateStatutoryIncomeTaxRate
0.073 pure
CY2011Q2 exc Effective Income Tax Rate Reconciliation Impact Of Change In Enacted State Statutory Income Tax Rate
EffectiveIncomeTaxRateReconciliationImpactOfChangeInEnactedStateStatutoryIncomeTaxRate
5000000 USD
exc Deferred State And Local Income Tax Expense Benefit State Tax Apportionment
DeferredStateAndLocalIncomeTaxExpenseBenefitStateTaxApportionment
22000000 USD
exc State Tax Bonus Depreciation Percent
StateTaxBonusDepreciationPercent
1.00 pure
exc State Tax Bonus Depreciation Expense Benefit
StateTaxBonusDepreciationExpenseBenefit
8000000 USD
us-gaap Deferred Other Tax Expense Benefit
DeferredOtherTaxExpenseBenefit
7000000 USD
CY2011Q2 us-gaap Income Tax Examination Liability Refund Adjustment From Settlement With Taxing Authority
IncomeTaxExaminationLiabilityRefundAdjustmentFromSettlementWithTaxingAuthority
300000000 USD
exc Unrecognized Tax Benefits Income Tax Penalties Expense Like Kind Exchange
UnrecognizedTaxBenefitsIncomeTaxPenaltiesExpenseLikeKindExchange
86000000 USD
exc Nuclear Decommissioning Trust Fund Special Transfer Tax Deduction Benefit
NuclearDecommissioningTrustFundSpecialTransferTaxDeductionBenefit
43000000 USD
exc Nuclear Decommissioning Trust Fund Special Transfer Tax Deduction Estimated Future Benefit
NuclearDecommissioningTrustFundSpecialTransferTaxDeductionEstimatedFutureBenefit
6000000 USD
CY2011Q2 exc Percentage Of Collateral For Borrowed Securities In Foreign Currency
PercentageOfCollateralForBorrowedSecuritiesInForeignCurrency
1.05 pure
CY2010Q4 exc Nuclear Asset Retirement Obligation
NuclearAssetRetirementObligation
3276000000 USD
exc Nuclear Asset Retirement Obligation Accretion Expense
NuclearAssetRetirementObligationAccretionExpense
100000000 USD
CY2011Q2 exc Nuclear Asset Retirement Obligation
NuclearAssetRetirementObligation
3372000000 USD
CY2011Q2 us-gaap Asset Retirement Obligation Current
AssetRetirementObligationCurrent
5000000 USD
CY2011Q2 exc Gross Payable To Zionsolutions
GrossPayableToZionsolutions
761000000 USD
CY2011Q2 exc Current Payable To Zionsolutions
CurrentPayableToZionsolutions
121000000 USD
CY2010Q4 us-gaap Asset Retirement Obligation Current
AssetRetirementObligationCurrent
5000000 USD
exc Nuclear Asset Retirement Obligation Liabilities Settled
NuclearAssetRetirementObligationLiabilitiesSettled
4000000 USD
CY2011Q2 exc Spent Nuclear Fuel Obligation Zionsolutions
SpentNuclearFuelObligationZionsolutions
35000000 USD
us-gaap Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Period Increase Decrease
OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease
-39000000 USD
exc Defined Benefit Plan Actuarial Net Gains Losses Census Update Pension
DefinedBenefitPlanActuarialNetGainsLossesCensusUpdatePension
-6000000 USD
exc Defined Benefit Plan Actuarial Net Gains Losses Census Update Opeb
DefinedBenefitPlanActuarialNetGainsLossesCensusUpdateOpeb
-28000000 USD
CY2011Q2 us-gaap Securities Loaned
SecuritiesLoaned
22000000 USD
CY2011Q2 exc Collateral For Borrowed Securities Fair Value
CollateralForBorrowedSecuritiesFairValue
23000000 USD
CY2010Q4 us-gaap Securities Loaned
SecuritiesLoaned
46000000 USD
CY2010Q4 exc Collateral For Borrowed Securities Fair Value
CollateralForBorrowedSecuritiesFairValue
47000000 USD
CY2011Q2 exc Non Qualified Defined Benefit Plan Estimated Future Employer Contributions In Next Fiscal Year
NonQualifiedDefinedBenefitPlanEstimatedFutureEmployerContributionsInNextFiscalYear
11000000 USD
CY2011Q2 exc Defined Other Postretirement Benefit Plan Estimated Future Employer Contributions In Next Fiscal Year
DefinedOtherPostretirementBenefitPlanEstimatedFutureEmployerContributionsInNextFiscalYear
271000000 USD
exc Defined Benefit Plan Planned Target Allocation Percentage Of Assets Debt Securities
DefinedBenefitPlanPlannedTargetAllocationPercentageOfAssetsDebtSecurities
0.5 pure
exc Defined Benefit Plan Planned Target Allocation Percentage Of Assets Equity Securities
DefinedBenefitPlanPlannedTargetAllocationPercentageOfAssetsEquitySecurities
0.3 pure
exc Defined Benefit Plan Planned Target Allocation Percentage Of Assets Alternative Investments
DefinedBenefitPlanPlannedTargetAllocationPercentageOfAssetsAlternativeInvestments
0.2 pure
CY2011Q2 exc Percentage Of Collateral For Borrowed Securities In Domestic Currency
PercentageOfCollateralForBorrowedSecuritiesInDomesticCurrency
1.02 pure
CY2011Q2 exc Percentage Of Collateral For Borrowed Securities Required Levels
PercentageOfCollateralForBorrowedSecuritiesRequiredLevels
1.00 pure
exc Deferred Federal Income Tax Expense Federally Subsidized Healthcare Costs
DeferredFederalIncomeTaxExpenseFederallySubsidizedHealthcareCosts
65000000 USD
CY2011Q2 exc Collateral Weighted Average Maturity
CollateralWeightedAverageMaturity
10 Months
CY2011Q2 exc Defined Contribution Plan Contributions By Employer
DefinedContributionPlanContributionsByEmployer
15000000 USD
CY2010Q2 exc Defined Contribution Plan Contributions By Employer
DefinedContributionPlanContributionsByEmployer
20000000 USD
exc Defined Contribution Plan Contributions By Employer
DefinedContributionPlanContributionsByEmployer
34000000 USD
exc Defined Contribution Plan Contributions By Employer
DefinedContributionPlanContributionsByEmployer
40000000 USD
exc Plant Retirement Severance Charges
PlantRetirementSeveranceCharges
3000000 USD
exc Plant Retirement Cash Payments
PlantRetirementCashPayments
-2000000 USD
exc Plant Retirement Severance Obligation Other Adjustments
PlantRetirementSeveranceObligationOtherAdjustments
0 USD
CY2011Q2 exc Plant Retirement Obligations Balance
PlantRetirementObligationsBalance
8000000 USD
CY2009Q4 exc Plant Retirements Positions Eliminated
PlantRetirementsPositionsEliminated
251 EmployeePositions
CY2009Q4 us-gaap Restructuring And Related Cost Expected Cost
RestructuringAndRelatedCostExpectedCost
37000000 USD
us-gaap Business Exit Costs
BusinessExitCosts
29000000 USD
exc Plant Retirements Severance Costs
PlantRetirementsSeveranceCosts
12000000 USD
us-gaap Inventory Write Down
InventoryWriteDown
17000000 USD
CY2011Q2 exc Plant Retirements Severance Costs
PlantRetirementsSeveranceCosts
1000000 USD
CY2010Q4 exc Plant Retirement Obligations Balance
PlantRetirementObligationsBalance
7000000 USD
exc Plant Retirements Severance Costs
PlantRetirementsSeveranceCosts
3000000 USD
exc Plant Retirements Severance Costs
PlantRetirementsSeveranceCosts
2000000 USD
CY2011Q2 us-gaap Incremental Common Shares Attributable To Share Based Payment Arrangements
IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
1000000 shares
CY2010Q2 us-gaap Incremental Common Shares Attributable To Share Based Payment Arrangements
IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
1000000 shares
us-gaap Incremental Common Shares Attributable To Share Based Payment Arrangements
IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
1000000 shares
us-gaap Incremental Common Shares Attributable To Share Based Payment Arrangements
IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
1000000 shares
CY2010Q2 us-gaap Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount
AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
9000000 shares
us-gaap Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount
AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
6000000 shares
CY2011Q2 us-gaap Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount
AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
10000000 shares
us-gaap Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount
AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
9000000 shares
CY2011Q2 exc Gain Loss Investment Income Nuclear Decommissioning Trust Funds
GainLossInvestmentIncomeNuclearDecommissioningTrustFunds
45000000 USD
exc Regulatory Offset Nuclear Decommissioning Trust Fund Activity
RegulatoryOffsetNuclearDecommissioningTrustFundActivity
221000000 USD
exc Net Unrelaized Gain Loss On Pledged Assets
NetUnrelaizedGainLossOnPledgedAssets
45000000 USD
exc Gain Loss Investment Income Nuclear Decommissioning Trust Funds
GainLossInvestmentIncomeNuclearDecommissioningTrustFunds
125000000 USD
us-gaap Investment Income Interest
InvestmentIncomeInterest
2000000 USD
us-gaap Capital Leases Income Statement Direct Financing Lease Revenue
CapitalLeasesIncomeStatementDirectFinancingLeaseRevenue
14000000 USD
us-gaap Line Of Credit Facility Increase Decrease For Period Net
LineOfCreditFacilityIncreaseDecreaseForPeriodNet
-84000000 USD
exc Increase Decrease In Guarantee Obligations
IncreaseDecreaseInGuaranteeObligations
173000000 USD
CY2011Q2 exc Minimum Ghg Emissions Required For Eligibility For Stationary Source Permitting
MinimumGhgEmissionsRequiredForEligibilityForStationarySourcePermitting
100000 Tons
CY2011Q2 exc Minimum Additional Ghg Emissions Required For Eligibility For Stationary Source Permitting After Modifications
MinimumAdditionalGhgEmissionsRequiredForEligibilityForStationarySourcePermittingAfterModifications
75000 Tons
us-gaap Site Contingency Loss Exposure Not Accrued Low Estimate
SiteContingencyLossExposureNotAccruedLowEstimate
430000000 USD
us-gaap Depreciation
Depreciation
629000000 USD
us-gaap Amortization Of Regulatory Asset
AmortizationOfRegulatoryAsset
27000000 USD
exc Nuclear Fuel Amortization
NuclearFuelAmortization
355000000 USD
us-gaap Asset Retirement Obligation Accretion Expense
AssetRetirementObligationAccretionExpense
103000000 USD
us-gaap Depreciation
Depreciation
558000000 USD
us-gaap Amortization Of Regulatory Asset
AmortizationOfRegulatoryAsset
475000000 USD
exc Nuclear Fuel Amortization
NuclearFuelAmortization
323000000 USD
us-gaap Asset Retirement Obligation Accretion Expense
AssetRetirementObligationAccretionExpense
99000000 USD
CY2011Q2 us-gaap Depreciation
Depreciation
316000000 USD
CY2011Q2 us-gaap Amortization Of Regulatory Asset
AmortizationOfRegulatoryAsset
13000000 USD
CY2011Q2 exc Nuclear Fuel Amortization
NuclearFuelAmortization
181000000 USD
CY2011Q2 us-gaap Asset Retirement Obligation Accretion Expense
AssetRetirementObligationAccretionExpense
52000000 USD
CY2010Q2 exc Nuclear Fuel Amortization
NuclearFuelAmortization
168000000 USD
CY2010Q2 us-gaap Amortization Of Regulatory Asset
AmortizationOfRegulatoryAsset
240000000 USD
CY2010Q2 us-gaap Depreciation
Depreciation
279000000 USD
CY2010Q2 us-gaap Asset Retirement Obligation Accretion Expense
AssetRetirementObligationAccretionExpense
50000000 USD
CY2011Q2 us-gaap Depreciation Amortization And Accretion Net
DepreciationAmortizationAndAccretionNet
562000000 USD
CY2010Q2 us-gaap Depreciation Amortization And Accretion Net
DepreciationAmortizationAndAccretionNet
737000000 USD
CY2011Q2 exc Realized Gain Loss Investment Income Nuclear Decommissioning Trust Funds Regulatory Accounting
RealizedGainLossInvestmentIncomeNuclearDecommissioningTrustFundsRegulatoryAccounting
38000000 USD
CY2011Q2 exc Realized Gain Loss Investment Income Nuclear Decommissioning Trust Funds Nonregulatory Accounting
RealizedGainLossInvestmentIncomeNuclearDecommissioningTrustFundsNonregulatoryAccounting
16000000 USD
CY2011Q2 exc Unrealized Gain Loss Nuclear Decommissioning Trust Funds Regulatory Accounting
UnrealizedGainLossNuclearDecommissioningTrustFundsRegulatoryAccounting
28000000 USD
CY2011Q2 exc Unrealized Gain Loss Nuclear Decommissioning Trust Funds Nonregulatory Accounting
UnrealizedGainLossNuclearDecommissioningTrustFundsNonregulatoryAccounting
11000000 USD
CY2011Q2 exc Net Unrelaized Gain Loss On Pledged Assets
NetUnrelaizedGainLossOnPledgedAssets
22000000 USD
CY2011Q2 exc Regulatory Offset Nuclear Decommissioning Trust Fund Activity
RegulatoryOffsetNuclearDecommissioningTrustFundActivity
70000000 USD
CY2011Q2 us-gaap Investment Income Interest
InvestmentIncomeInterest
1000000 USD
CY2011Q2 us-gaap Capital Leases Income Statement Direct Financing Lease Revenue
CapitalLeasesIncomeStatementDirectFinancingLeaseRevenue
7000000 USD
CY2011Q2 exc Unrecognized Tax Benefits Interest Income
UnrecognizedTaxBenefitsInterestIncome
43000000 USD
CY2011Q2 us-gaap Other Nonoperating Income
OtherNonoperatingIncome
0 USD
CY2011Q2 us-gaap Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity
PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity
4000000 USD
exc Realized Gain Loss Investment Income Nuclear Decommissioning Trust Funds Regulatory Accounting
RealizedGainLossInvestmentIncomeNuclearDecommissioningTrustFundsRegulatoryAccounting
81000000 USD
exc Realized Gain Loss Investment Income Nuclear Decommissioning Trust Funds Nonregulatory Accounting
RealizedGainLossInvestmentIncomeNuclearDecommissioningTrustFundsNonregulatoryAccounting
26000000 USD
exc Unrealized Gain Loss Nuclear Decommissioning Trust Funds Regulatory Accounting
UnrealizedGainLossNuclearDecommissioningTrustFundsRegulatoryAccounting
140000000 USD
exc Unrealized Gain Loss Nuclear Decommissioning Trust Funds Nonregulatory Accounting
UnrealizedGainLossNuclearDecommissioningTrustFundsNonregulatoryAccounting
54000000 USD
exc Unrecognized Tax Benefits Interest Income
UnrecognizedTaxBenefitsInterestIncome
46000000 USD
us-gaap Other Nonoperating Income
OtherNonoperatingIncome
-2000000 USD
us-gaap Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity
PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity
9000000 USD
CY2010Q2 exc Unrecognized Tax Benefits Interest Income
UnrecognizedTaxBenefitsInterestIncome
0 USD
CY2010Q2 exc Realized Gain Loss Investment Income Nuclear Decommissioning Trust Funds Regulatory Accounting
RealizedGainLossInvestmentIncomeNuclearDecommissioningTrustFundsRegulatoryAccounting
49000000 USD
CY2010Q2 exc Realized Gain Loss Investment Income Nuclear Decommissioning Trust Funds Nonregulatory Accounting
RealizedGainLossInvestmentIncomeNuclearDecommissioningTrustFundsNonregulatoryAccounting
14000000 USD
CY2010Q2 exc Unrealized Gain Loss Nuclear Decommissioning Trust Funds Regulatory Accounting
UnrealizedGainLossNuclearDecommissioningTrustFundsRegulatoryAccounting
-318000000 USD
CY2010Q2 exc Unrealized Gain Loss Nuclear Decommissioning Trust Funds Nonregulatory Accounting
UnrealizedGainLossNuclearDecommissioningTrustFundsNonregulatoryAccounting
-94000000 USD
CY2010Q2 exc Regulatory Offset Nuclear Decommissioning Trust Fund Activity
RegulatoryOffsetNuclearDecommissioningTrustFundActivity
-215000000 USD
CY2010Q2 exc Gain Loss Investment Income Nuclear Decommissioning Trust Funds
GainLossInvestmentIncomeNuclearDecommissioningTrustFunds
-134000000 USD
CY2010Q2 us-gaap Capital Leases Income Statement Direct Financing Lease Revenue
CapitalLeasesIncomeStatementDirectFinancingLeaseRevenue
7000000 USD
CY2010Q2 us-gaap Other Nonoperating Income
OtherNonoperatingIncome
5000000 USD
exc Realized Gain Loss Investment Income Nuclear Decommissioning Trust Funds Regulatory Accounting
RealizedGainLossInvestmentIncomeNuclearDecommissioningTrustFundsRegulatoryAccounting
98000000 USD
exc Realized Gain Loss Investment Income Nuclear Decommissioning Trust Funds Nonregulatory Accounting
RealizedGainLossInvestmentIncomeNuclearDecommissioningTrustFundsNonregulatoryAccounting
26000000 USD
exc Unrealized Gain Loss Nuclear Decommissioning Trust Funds Regulatory Accounting
UnrealizedGainLossNuclearDecommissioningTrustFundsRegulatoryAccounting
-207000000 USD
exc Unrealized Gain Loss Nuclear Decommissioning Trust Funds Nonregulatory Accounting
UnrealizedGainLossNuclearDecommissioningTrustFundsNonregulatoryAccounting
-59000000 USD
exc Regulatory Offset Nuclear Decommissioning Trust Fund Activity
RegulatoryOffsetNuclearDecommissioningTrustFundActivity
-87000000 USD
exc Gain Loss Investment Income Nuclear Decommissioning Trust Funds
GainLossInvestmentIncomeNuclearDecommissioningTrustFunds
-55000000 USD
us-gaap Capital Leases Income Statement Direct Financing Lease Revenue
CapitalLeasesIncomeStatementDirectFinancingLeaseRevenue
13000000 USD
exc Unrecognized Tax Benefits Interest Income
UnrecognizedTaxBenefitsInterestIncome
0 USD
us-gaap Other Nonoperating Income
OtherNonoperatingIncome
13000000 USD
us-gaap Pension And Other Postretirement Benefit Expense
PensionAndOtherPostretirementBenefitExpense
271000000 USD
us-gaap Provision For Doubtful Accounts
ProvisionForDoubtfulAccounts
45000000 USD
us-gaap Share Based Compensation
ShareBasedCompensation
43000000 USD
exc Other Decommissioning Related Activity
OtherDecommissioningRelatedActivity
35000000 USD
exc Energy Related Options
EnergyRelatedOptions
68000000 USD
exc Amortization Of Regulatory Asset Debt Costs
AmortizationOfRegulatoryAssetDebtCosts
11000000 USD
exc Under Over Recovered Uncollectible Accounts
UnderOverRecoveredUncollectibleAccounts
-13000000 USD
exc Other Noncash Income Expense Net
OtherNoncashIncomeExpenseNet
-6000000 USD
us-gaap Increase Decrease In Over Under Energy Recovery
IncreaseDecreaseInOverUnderEnergyRecovery
99000000 USD
exc Increase Decrease In Other Current Operating Assets
IncreaseDecreaseInOtherCurrentOperatingAssets
216000000 USD
exc Increase Decrease In Other Noncurrent Operating Assets Liabilities
IncreaseDecreaseInOtherNoncurrentOperatingAssetsLiabilities
-68000000 USD
exc Impacts Two Thousand Ten Rate Case
ImpactsTwoThousandTenRateCase
-32000000 USD
us-gaap Pension And Other Postretirement Benefit Expense
PensionAndOtherPostretirementBenefitExpense
288000000 USD
us-gaap Provision For Doubtful Accounts
ProvisionForDoubtfulAccounts
38000000 USD
exc Other Noncash Income Expense Net
OtherNoncashIncomeExpenseNet
-8000000 USD
exc Under Over Recovered Uncollectible Accounts
UnderOverRecoveredUncollectibleAccounts
49000000 USD
exc Amortization Of Regulatory Asset Debt Costs
AmortizationOfRegulatoryAssetDebtCosts
12000000 USD
exc Energy Related Options
EnergyRelatedOptions
-36000000 USD
exc Other Decommissioning Related Activity
OtherDecommissioningRelatedActivity
-31000000 USD
us-gaap Share Based Compensation
ShareBasedCompensation
27000000 USD
us-gaap Increase Decrease In Over Under Energy Recovery
IncreaseDecreaseInOverUnderEnergyRecovery
-60000000 USD
exc Increase Decrease In Other Current Operating Assets
IncreaseDecreaseInOtherCurrentOperatingAssets
172000000 USD
exc Increase Decrease In Other Noncurrent Operating Assets Liabilities
IncreaseDecreaseInOtherNoncurrentOperatingAssetsLiabilities
-103000000 USD
exc Taxes Other Than Income Refund Accrual
TaxesOtherThanIncomeRefundAccrual
-25000000 USD
CY2011Q2 us-gaap Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
10490000000 USD
CY2011Q2 us-gaap Allowance For Doubtful Accounts Receivable Current
AllowanceForDoubtfulAccountsReceivableCurrent
229000000 USD
CY2010Q4 us-gaap Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
10064000000 USD
CY2010Q4 us-gaap Allowance For Doubtful Accounts Receivable Current
AllowanceForDoubtfulAccountsReceivableCurrent
228000000 USD
CY2011Q2 us-gaap Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax
AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax
209000000 USD
CY2011Q2 us-gaap Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax
AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax
2719000000 USD
CY2011Q2 exc Accumulated Unrealized Gain Loss Marketable Securities
AccumulatedUnrealizedGainLossMarketableSecurities
1000000 USD
CY2010Q4 exc Accumulated Unrealized Gain Loss Marketable Securities
AccumulatedUnrealizedGainLossMarketableSecurities
0 USD
CY2010Q4 us-gaap Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax
AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax
400000000 USD
CY2010Q4 us-gaap Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax
AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax
2823000000 USD
CY2011Q2 us-gaap Segment Reporting Information Revenue
SegmentReportingInformationRevenue
4587000000 USD
CY2010Q2 us-gaap Segment Reporting Information Revenue
SegmentReportingInformationRevenue
4398000000 USD
CY2011Q2 us-gaap Segment Reporting Information Intersegment Revenue
SegmentReportingInformationIntersegmentRevenue
0 USD
CY2010Q2 us-gaap Segment Reporting Information Intersegment Revenue
SegmentReportingInformationIntersegmentRevenue
3000000 USD
CY2011Q2 us-gaap Segment Reporting Information Profit Loss
SegmentReportingInformationProfitLoss
620000000 USD
CY2010Q2 us-gaap Segment Reporting Information Profit Loss
SegmentReportingInformationProfitLoss
445000000 USD
CY2011Q2 us-gaap Segment Reporting Information Assets
SegmentReportingInformationAssets
51986000000 USD
CY2010Q4 us-gaap Segment Reporting Information Assets
SegmentReportingInformationAssets
52240000000 USD
us-gaap Segment Reporting Information Revenue
SegmentReportingInformationRevenue
9638000000 USD
us-gaap Segment Reporting Information Revenue
SegmentReportingInformationRevenue
8859000000 USD
us-gaap Segment Reporting Information Intersegment Revenue
SegmentReportingInformationIntersegmentRevenue
2000000 USD
us-gaap Segment Reporting Information Intersegment Revenue
SegmentReportingInformationIntersegmentRevenue
3000000 USD
us-gaap Segment Reporting Information Profit Loss
SegmentReportingInformationProfitLoss
1288000000 USD
us-gaap Segment Reporting Information Profit Loss
SegmentReportingInformationProfitLoss
1194000000 USD

Files In Submission

Name View Source Status
0001193125-11-198942-index-headers.html Edgar Link pending
0001193125-11-198942-index.html Edgar Link pending
0001193125-11-198942.txt Edgar Link pending
0001193125-11-198942-xbrl.zip Edgar Link pending
d10q.htm Edgar Link pending
dex311.htm Edgar Link pending
dex312.htm Edgar Link pending
dex313.htm Edgar Link pending
dex314.htm Edgar Link pending
dex315.htm Edgar Link pending
dex316.htm Edgar Link pending
dex317.htm Edgar Link pending
dex318.htm Edgar Link pending
dex321.htm Edgar Link pending
dex322.htm Edgar Link pending
dex323.htm Edgar Link pending
dex324.htm Edgar Link pending
dex325.htm Edgar Link pending
dex326.htm Edgar Link pending
dex327.htm Edgar Link pending
dex328.htm Edgar Link pending
exc-20110630.xml Edgar Link completed
exc-20110630.xsd Edgar Link pending
exc-20110630_cal.xml Edgar Link unprocessable
exc-20110630_def.xml Edgar Link unprocessable
exc-20110630_lab.xml Edgar Link unprocessable
exc-20110630_pre.xml Edgar Link unprocessable
FilingSummary.xml Edgar Link unprocessable
Financial_Report.xls Edgar Link pending
R1.htm Edgar Link pending
R10.htm Edgar Link pending
R11.htm Edgar Link pending
R12.htm Edgar Link pending
R13.htm Edgar Link pending
R14.htm Edgar Link pending
R15.htm Edgar Link pending
R16.htm Edgar Link pending
R17.htm Edgar Link pending
R18.htm Edgar Link pending
R19.htm Edgar Link pending
R2.htm Edgar Link pending
R20.htm Edgar Link pending
R21.htm Edgar Link pending
R22.htm Edgar Link pending
R23.htm Edgar Link pending
R24.htm Edgar Link pending
R25.htm Edgar Link pending
R26.htm Edgar Link pending
R27.htm Edgar Link pending
R28.htm Edgar Link pending
R29.htm Edgar Link pending
R3.htm Edgar Link pending
R30.htm Edgar Link pending
R31.htm Edgar Link pending
R32.htm Edgar Link pending
R33.htm Edgar Link pending
R34.htm Edgar Link pending
R35.htm Edgar Link pending
R36.htm Edgar Link pending
R37.htm Edgar Link pending
R38.htm Edgar Link pending
R39.htm Edgar Link pending
R4.htm Edgar Link pending
R40.htm Edgar Link pending
R41.htm Edgar Link pending
R42.htm Edgar Link pending
R43.htm Edgar Link pending
R44.htm Edgar Link pending
R45.htm Edgar Link pending
R46.htm Edgar Link pending
R47.htm Edgar Link pending
R48.htm Edgar Link pending
R49.htm Edgar Link pending
R5.htm Edgar Link pending
R50.htm Edgar Link pending
R51.htm Edgar Link pending
R52.htm Edgar Link pending
R53.htm Edgar Link pending
R54.htm Edgar Link pending
R55.htm Edgar Link pending
R56.htm Edgar Link pending
R57.htm Edgar Link pending
R58.htm Edgar Link pending
R59.htm Edgar Link pending
R6.htm Edgar Link pending
R60.htm Edgar Link pending
R61.htm Edgar Link pending
R62.htm Edgar Link pending
R63.htm Edgar Link pending
R7.htm Edgar Link pending
R8.htm Edgar Link pending
R9.htm Edgar Link pending
report.css Edgar Link pending
Show.js Edgar Link pending