2011 Q1 Form 10-Q Financial Statement
#000119312511112176 Filed on April 27, 2011
Income Statement
| Concept | 2011 Q1 | 2010 Q1 |
|---|---|---|
| Revenue | $4.956B | $4.461B |
| YoY Change | 11.1% | -5.53% |
| Cost Of Revenue | $2.000B | $658.0M |
| YoY Change | 203.95% | -3.66% |
| Gross Profit | $2.955B | $3.803B |
| YoY Change | -22.3% | -5.84% |
| Gross Profit Margin | 59.62% | 85.25% |
| Selling, General & Admin | ||
| YoY Change | ||
| % of Gross Profit | ||
| Research & Development | ||
| YoY Change | ||
| % of Gross Profit | ||
| Depreciation & Amortization | $313.0M | $279.0M |
| YoY Change | 12.19% | -55.14% |
| % of Gross Profit | 10.59% | 7.34% |
| Operating Expenses | $1.753B | $2.401B |
| YoY Change | -26.99% | -13.76% |
| Operating Profit | $1.202B | $1.402B |
| YoY Change | -14.27% | 11.71% |
| Interest Expense | $175.0M | $177.0M |
| YoY Change | -1.13% | 8.59% |
| % of Operating Profit | 14.56% | 12.62% |
| Other Income/Expense, Net | -$87.00M | -$90.00M |
| YoY Change | -3.33% | -61.21% |
| Pretax Income | $1.115B | $1.312B |
| YoY Change | -15.02% | 28.25% |
| Income Tax | $446.0M | $563.0M |
| % Of Pretax Income | 40.0% | 42.91% |
| Net Earnings | $668.0M | $749.0M |
| YoY Change | -10.81% | 5.2% |
| Net Earnings / Revenue | 13.48% | 16.79% |
| Basic Earnings Per Share | $1.01 | $1.13 |
| Diluted Earnings Per Share | $1.01 | $1.13 |
| COMMON SHARES | ||
| Basic Shares Outstanding | 662.0M shares | 661.0M shares |
| Diluted Shares Outstanding | 664.0M shares | 662.0M shares |
Balance Sheet
| Concept | 2011 Q1 | 2010 Q1 |
|---|---|---|
| SHORT-TERM ASSETS | ||
| Cash & Short-Term Investments | $487.0M | $2.524B |
| YoY Change | -80.71% | 17.45% |
| Cash & Equivalents | $487.0M | $2.524B |
| Short-Term Investments | ||
| Other Short-Term Assets | $436.0M | $399.0M |
| YoY Change | 9.27% | -69.54% |
| Inventory | $728.0M | $692.0M |
| Prepaid Expenses | ||
| Receivables | $1.800B | $1.628B |
| Other Receivables | $547.0M | $439.0M |
| Total Short-Term Assets | $4.659B | $6.384B |
| YoY Change | -27.02% | 0.65% |
| LONG-TERM ASSETS | ||
| Property, Plant & Equipment | $30.55B | $27.74B |
| YoY Change | 10.14% | 6.98% |
| Goodwill | $2.625B | $2.625B |
| YoY Change | 0.0% | |
| Intangibles | ||
| YoY Change | ||
| Long-Term Investments | $740.0M | $724.0M |
| YoY Change | 2.21% | 1.54% |
| Other Assets | $766.0M | $851.0M |
| YoY Change | -9.99% | -93.58% |
| Total Long-Term Assets | $46.72B | $44.36B |
| YoY Change | 5.32% | 4.32% |
| TOTAL ASSETS | ||
| Total Short-Term Assets | $4.659B | $6.384B |
| Total Long-Term Assets | $46.72B | $44.36B |
| Total Assets | $51.38B | $50.74B |
| YoY Change | 1.25% | 3.84% |
| SHORT-TERM LIABILITIES | ||
| YoY Change | ||
| Accounts Payable | $1.331B | $1.143B |
| YoY Change | 16.45% | 1.96% |
| Accrued Expenses | $852.0M | $1.191B |
| YoY Change | -28.46% | 1.19% |
| Deferred Revenue | ||
| YoY Change | ||
| Short-Term Debt | $50.00M | $256.0M |
| YoY Change | -80.47% | 23.67% |
| Long-Term Debt Due | $1.049B | $1.231B |
| YoY Change | -14.78% | 118.26% |
| Total Short-Term Liabilities | $4.171B | $4.890B |
| YoY Change | -14.7% | 12.0% |
| LONG-TERM LIABILITIES | ||
| Long-Term Debt | $11.76B | $10.81B |
| YoY Change | 8.83% | -13.4% |
| Other Long-Term Liabilities | $1.091B | $1.298B |
| YoY Change | -15.95% | -91.32% |
| Total Long-Term Liabilities | $12.85B | $12.11B |
| YoY Change | 6.17% | -55.87% |
| TOTAL LIABILITIES | ||
| Total Short-Term Liabilities | $4.171B | $4.890B |
| Total Long-Term Liabilities | $12.85B | $12.11B |
| Total Liabilities | $37.36B | $37.20B |
| YoY Change | 0.41% | 0.96% |
| SHAREHOLDERS EQUITY | ||
| Retained Earnings | $9.623B | $8.534B |
| YoY Change | 12.76% | |
| Common Stock | $9.032B | $8.940B |
| YoY Change | 1.03% | |
| Preferred Stock | ||
| YoY Change | ||
| Treasury Stock (at cost) | $2.327B | $2.328B |
| YoY Change | -0.04% | |
| Treasury Stock Shares | 35.00M shares | 35.00M shares |
| Shareholders Equity | $13.93B | $13.45B |
| YoY Change | ||
| Total Liabilities & Shareholders Equity | $51.38B | $50.74B |
| YoY Change | 1.25% | 3.84% |
Cashflow Statement
| Concept | 2011 Q1 | 2010 Q1 |
|---|---|---|
| OPERATING ACTIVITIES | ||
| Net Income | $668.0M | $749.0M |
| YoY Change | -10.81% | 5.2% |
| Depreciation, Depletion And Amortization | $313.0M | $279.0M |
| YoY Change | 12.19% | -55.14% |
| Cash From Operating Activities | -$207.0M | $1.861B |
| YoY Change | -111.12% | -4.56% |
| INVESTING ACTIVITIES | ||
| Capital Expenditures | $1.150B | $878.0M |
| YoY Change | 30.98% | 23.31% |
| Acquisitions | ||
| YoY Change | ||
| Other Investing Activities | -$15.00M | -$12.00M |
| YoY Change | 25.0% | -400.0% |
| Cash From Investing Activities | -$1.179B | -$709.0M |
| YoY Change | 66.29% | -5.72% |
| FINANCING ACTIVITIES | ||
| Cash Dividend Paid | ||
| YoY Change | ||
| Common Stock Issuance & Retirement, Net | ||
| YoY Change | ||
| Debt Paid & Issued, Net | $1.000M | $1.000M |
| YoY Change | 0.0% | -98.44% |
| Cash From Financing Activities | $261.0M | -$638.0M |
| YoY Change | -140.91% | 99.38% |
| NET CHANGE | ||
| Cash From Operating Activities | -$207.0M | $1.861B |
| Cash From Investing Activities | -$1.179B | -$709.0M |
| Cash From Financing Activities | $261.0M | -$638.0M |
| Net Change In Cash | -$1.125B | $514.0M |
| YoY Change | -318.87% | -41.46% |
| FREE CASH FLOW | ||
| Cash From Operating Activities | -$207.0M | $1.861B |
| Capital Expenditures | $1.150B | $878.0M |
| Free Cash Flow | -$1.357B | $983.0M |
| YoY Change | -238.05% | -20.6% |
Facts In Submission
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Other Cost And Expense Operating Regulatory Required Programs
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Taxes Excluding Income And Excise Taxes
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Revenues
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Interest Expense
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Income Tax Expense Benefit
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Taxes Excluding Income And Excise Taxes
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Document Type
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10-Q | |
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Document Period End Date
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Entity Voluntary Filers
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Entity Current Reporting Status
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|
1150000000 | USD |
| CY2011Q1 | us-gaap |
Proceeds From Sale And Maturity Of Other Investments
ProceedsFromSaleAndMaturityOfOtherInvestments
|
1195000000 | USD |
| CY2011Q1 | us-gaap |
Payments To Acquire Other Investments
PaymentsToAcquireOtherInvestments
|
1247000000 | USD |
| CY2011Q1 | us-gaap |
Increase Decrease In Restricted Cash
IncreaseDecreaseInRestrictedCash
|
-8000000 | USD |
| CY2011Q1 | us-gaap |
Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
|
261000000 | USD |
| CY2011Q1 | us-gaap |
Cash And Cash Equivalents Period Increase Decrease
CashAndCashEquivalentsPeriodIncreaseDecrease
|
-1125000000 | USD |
| CY2010Q4 | us-gaap |
Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
|
1612000000 | USD |
| CY2011Q1 | us-gaap |
Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
|
487000000 | USD |
| CY2011Q1 | us-gaap |
Increase Decrease In Other Operating Capital Net
IncreaseDecreaseInOtherOperatingCapitalNet
|
217000000 | USD |
| CY2011Q1 | us-gaap |
Pension And Other Postretirement Benefit Contributions
PensionAndOtherPostretirementBenefitContributions
|
2088000000 | USD |
| CY2011Q1 | us-gaap |
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
|
-1179000000 | USD |
| CY2011Q1 | us-gaap |
Proceeds From Repayments Of Short Term Debt Maturing In Three Months Or Less
ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess
|
50000000 | USD |
| CY2011Q1 | us-gaap |
Proceeds From Issuance Of Long Term Debt
ProceedsFromIssuanceOfLongTermDebt
|
599000000 | USD |
| CY2011Q1 | us-gaap |
Repayments Of Long Term Debt
RepaymentsOfLongTermDebt
|
1000000 | USD |
| CY2011Q1 | us-gaap |
Repayments Of Other Long Term Debt
RepaymentsOfOtherLongTermDebt
|
0 | USD |
| CY2011Q1 | us-gaap |
Payments Of Dividends Common Stock
PaymentsOfDividendsCommonStock
|
348000000 | USD |
| CY2011Q1 | us-gaap |
Proceeds From Stock Plans
ProceedsFromStockPlans
|
8000000 | USD |
| CY2011Q1 | us-gaap |
Proceeds From Payments For Other Financing Activities
ProceedsFromPaymentsForOtherFinancingActivities
|
-47000000 | USD |
| CY2011Q1 | us-gaap |
Payments For Proceeds From Other Investing Activities
PaymentsForProceedsFromOtherInvestingActivities
|
-15000000 | 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 |
| CY2011Q1 | us-gaap |
Restricted Cash And Investments Current
RestrictedCashAndInvestmentsCurrent
|
22000000 | USD |
| CY2011Q1 | us-gaap |
Accounts Receivable Net Current
AccountsReceivableNetCurrent
|
1800000000 | USD |
| CY2011Q1 | us-gaap |
Other Receivables
OtherReceivables
|
547000000 | USD |
| CY2011Q1 | us-gaap |
Derivative Assets Current
DerivativeAssetsCurrent
|
462000000 | USD |
| CY2011Q1 | us-gaap |
Energy Related Inventory Other Fossil Fuel
EnergyRelatedInventoryOtherFossilFuel
|
122000000 | USD |
| CY2011Q1 | us-gaap |
Inventory Raw Materials And Supplies
InventoryRawMaterialsAndSupplies
|
606000000 | USD |
| CY2011Q1 | us-gaap |
Other Assets Current
OtherAssetsCurrent
|
436000000 | USD |
| CY2011Q1 | us-gaap |
Assets Current
AssetsCurrent
|
4659000000 | USD |
| CY2011Q1 | us-gaap |
Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
|
30549000000 | USD |
| CY2011Q1 | us-gaap |
Long Term Investments
LongTermInvestments
|
725000000 | USD |
| CY2011Q1 | us-gaap |
Investments In Affiliates Subsidiaries Associates And Joint Ventures
InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures
|
15000000 | USD |
| CY2011Q1 | us-gaap |
Goodwill
Goodwill
|
2625000000 | USD |
| CY2011Q1 | us-gaap |
Derivative Assets Noncurrent
DerivativeAssetsNoncurrent
|
425000000 | USD |
| CY2011Q1 | us-gaap |
Other Assets Noncurrent
OtherAssetsNoncurrent
|
766000000 | USD |
| CY2011Q1 | exc |
Total Deferred Debits And Other Assets
TotalDeferredDebitsAndOtherAssets
|
16168000000 | USD |
| CY2011Q1 | us-gaap |
Assets
Assets
|
51376000000 | USD |
| CY2011Q1 | us-gaap |
Pledged Assets Not Separately Reported Finance Receivables
PledgedAssetsNotSeparatelyReportedFinanceReceivables
|
361000000 | 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 |
| CY2011Q1 | us-gaap |
Deferred Tax Assets Net Current
DeferredTaxAssetsNetCurrent
|
90000000 | USD |
| CY2010Q4 | us-gaap |
Deferred Tax Assets Net Current
DeferredTaxAssetsNetCurrent
|
0 | USD |
| CY2011Q1 | us-gaap |
Regulatory Assets Current
RegulatoryAssetsCurrent
|
87000000 | 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 |
| CY2011Q1 | us-gaap |
Long Term Debt Noncurrent
LongTermDebtNoncurrent
|
11762000000 | USD |
| CY2011Q1 | us-gaap |
Due To Related Parties Noncurrent
DueToRelatedPartiesNoncurrent
|
390000000 | USD |
| CY2011Q1 | exc |
Deferred Income Taxes And Unamortized Investment Tax Credits
DeferredIncomeTaxesAndUnamortizedInvestmentTaxCredits
|
7215000000 | USD |
| CY2011Q1 | us-gaap |
Asset Retirement Obligations Noncurrent
AssetRetirementObligationsNoncurrent
|
3546000000 | USD |
| CY2011Q1 | us-gaap |
Regulatory Assets Noncurrent
RegulatoryAssetsNoncurrent
|
4178000000 | USD |
| CY2010Q4 | us-gaap |
Regulatory Assets Noncurrent
RegulatoryAssetsNoncurrent
|
4140000000 | USD |
| CY2011Q1 | us-gaap |
Decommissioning Fund Investments
DecommissioningFundInvestments
|
6625000000 | USD |
| CY2010Q4 | us-gaap |
Decommissioning Fund Investments
DecommissioningFundInvestments
|
6408000000 | USD |
| CY2011Q1 | us-gaap |
Assets Held In Trust Noncurrent
AssetsHeldInTrustNoncurrent
|
809000000 | 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 |
Derivative Liabilities Noncurrent
DerivativeLiabilitiesNoncurrent
|
21000000 | 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 |
Treasury Stock Value
TreasuryStockValue
|
2327000000 | 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 |
| CY2011Q1 | us-gaap |
Short Term Borrowings
ShortTermBorrowings
|
50000000 | USD |
| CY2011Q1 | us-gaap |
Other Notes Payable Current
OtherNotesPayableCurrent
|
225000000 | USD |
| CY2011Q1 | us-gaap |
Long Term Debt And Capital Lease Obligations Current
LongTermDebtAndCapitalLeaseObligationsCurrent
|
1049000000 | USD |
| CY2011Q1 | us-gaap |
Accounts Payable Current
AccountsPayableCurrent
|
1331000000 | USD |
| CY2011Q1 | us-gaap |
Accrued Liabilities Current
AccruedLiabilitiesCurrent
|
852000000 | USD |
| CY2011Q1 | us-gaap |
Deferred Tax Liabilities Current
DeferredTaxLiabilitiesCurrent
|
0 | USD |
| CY2011Q1 | us-gaap |
Derivative Liabilities Current
DerivativeLiabilitiesCurrent
|
37000000 | USD |
| CY2011Q1 | us-gaap |
Other Liabilities Current
OtherLiabilitiesCurrent
|
561000000 | USD |
| CY2011Q1 | us-gaap |
Liabilities Current
LiabilitiesCurrent
|
4171000000 | USD |
| CY2011Q1 | us-gaap |
Defined Benefit Pension Plan Liabilities Noncurrent
DefinedBenefitPensionPlanLiabilitiesNoncurrent
|
1516000000 | USD |
| CY2011Q1 | us-gaap |
Other Postretirement Defined Benefit Plan Liabilities Noncurrent
OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent
|
2251000000 | USD |
| CY2011Q1 | us-gaap |
Spent Nuclear Fuel Obligation Noncurrent
SpentNuclearFuelObligationNoncurrent
|
1019000000 | USD |
| CY2011Q1 | us-gaap |
Derivative Liabilities Noncurrent
DerivativeLiabilitiesNoncurrent
|
28000000 | USD |
| CY2011Q1 | us-gaap |
Other Liabilities Noncurrent
OtherLiabilitiesNoncurrent
|
1091000000 | USD |
| CY2011Q1 | exc |
Total Deferred Credits And Other Liabilities
TotalDeferredCreditsAndOtherLiabilities
|
21032000000 | USD |
| CY2011Q1 | us-gaap |
Liabilities
Liabilities
|
37355000000 | USD |
| CY2011Q1 | us-gaap |
Temporary Equity Carrying Amount
TemporaryEquityCarryingAmount
|
87000000 | USD |
| CY2011Q1 | us-gaap |
Common Stock Value
CommonStockValue
|
9032000000 | USD |
| CY2011Q1 | us-gaap |
Treasury Stock Value
TreasuryStockValue
|
2327000000 | USD |
| CY2011Q1 | us-gaap |
Retained Earnings Accumulated Deficit
RetainedEarningsAccumulatedDeficit
|
9623000000 | USD |
| CY2011Q1 | us-gaap |
Accumulated Other Comprehensive Income Loss Net Of Tax
AccumulatedOtherComprehensiveIncomeLossNetOfTax
|
-2397000000 | USD |
| CY2011Q1 | us-gaap |
Stockholders Equity
StockholdersEquity
|
13931000000 | USD |
| CY2011Q1 | us-gaap |
Liabilities And Stockholders Equity
LiabilitiesAndStockholdersEquity
|
51376000000 | USD |
| CY2010Q4 | us-gaap |
Common Stock No Par Value
CommonStockNoParValue
|
0 | USD |
| 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 |
| CY2011Q1 | us-gaap |
Common Stock No Par Value
CommonStockNoParValue
|
0 | USD |
| CY2011Q1 | us-gaap |
Common Stock Shares Authorized
CommonStockSharesAuthorized
|
2000000000 | shares |
| CY2011Q1 | us-gaap |
Common Stock Shares Outstanding
CommonStockSharesOutstanding
|
662000000 | shares |
| CY2011Q1 | us-gaap |
Treasury Stock Shares
TreasuryStockShares
|
35000000 | shares |
| CY2011Q1 | us-gaap |
Commitments And Contingencies2009
CommitmentsAndContingencies2009
|
 - | |
| CY2010 | us-gaap |
Commitments And Contingencies2009
CommitmentsAndContingencies2009
|
 - | |
| CY2011Q1 | us-gaap |
Regulatory Liability Noncurrent
RegulatoryLiabilityNoncurrent
|
3722000000 | USD |
| CY2010Q4 | us-gaap |
Regulatory Liability Noncurrent
RegulatoryLiabilityNoncurrent
|
3555000000 | USD |
| CY2011Q1 | exc |
Payable To Zionsoultions
PayableToZionsoultions
|
644000000 | USD |
| CY2010Q4 | exc |
Payable To Zionsoultions
PayableToZionsoultions
|
659000000 | USD |
| CY2011Q1 | us-gaap |
Minority Interest
MinorityInterest
|
3000000 | USD |
| CY2010Q4 | us-gaap |
Minority Interest
MinorityInterest
|
3000000 | USD |
| CY2011Q1 | us-gaap |
Stockholders Equity Including Portion Attributable To Noncontrolling Interest
StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
|
13934000000 | USD |
| CY2010Q4 | us-gaap |
Stockholders Equity Including Portion Attributable To Noncontrolling Interest
StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
|
13563000000 | USD |
| CY2011Q1 | us-gaap |
Regulatory Liability Current
RegulatoryLiabilityCurrent
|
66000000 | USD |
| CY2010Q4 | us-gaap |
Regulatory Liability Current
RegulatoryLiabilityCurrent
|
44000000 | USD |
| CY2011Q1 | exc |
Stock Issued During Period Value Long Term Incentive Plan Activity
StockIssuedDuringPeriodValueLongTermIncentivePlanActivity
|
26000000 | USD |
| CY2011Q1 | us-gaap |
Dividends Common Stock Cash
DividendsCommonStockCash
|
349000000 | USD |
| CY2011Q1 | exc |
Consolidated Subsidiary Ownership Percentage
ConsolidatedSubsidiaryOwnershipPercentage
|
1 | pure |
| CY2011Q1 | us-gaap |
Minority Interest Ownership Percentage By Parent
MinorityInterestOwnershipPercentageByParent
|
0.99 | pure |
| CY2011Q1 | exc |
Consolidated Subsidiary Common Stock Ownership Percentage
ConsolidatedSubsidiaryCommonStockOwnershipPercentage
|
1 | pure |
| CY2011Q1 | us-gaap |
Equity Method Investment Ownership Percentage
EquityMethodInvestmentOwnershipPercentage
|
0.01 | pure |
| CY2011Q1 | exc |
Minority Interest Upper Bound
MinorityInterestUpperBound
|
1000000 | USD |
| CY2011Q1 | us-gaap |
Regulatory Assets
RegulatoryAssets
|
4265000000 | USD |
| CY2011Q1 | us-gaap |
Regulatory Liabilities
RegulatoryLiabilities
|
3788000000 | USD |
| CY2010Q4 | us-gaap |
Regulatory Assets
RegulatoryAssets
|
4150000000 | USD |
| CY2010Q4 | us-gaap |
Regulatory Liabilities
RegulatoryLiabilities
|
3599000000 | USD |
| CY2011Q1 | exc |
Other Cost And Expense Operating Advanced Metering Infrastructure Pilot Program
OtherCostAndExpenseOperatingAdvancedMeteringInfrastructurePilotProgram
|
2000000 | USD |
| CY2011Q1 | exc |
Other Cost And Expense Operating Purchased Power Administrative Costs
OtherCostAndExpenseOperatingPurchasedPowerAdministrativeCosts
|
2000000 | USD |
| CY2011Q1 | exc |
Other Cost And Expense Operating Consumer Education Costs
OtherCostAndExpenseOperatingConsumerEducationCosts
|
1000000 | USD |
| CY2010Q1 | exc |
Other Cost And Expense Operating Energy Efficiency And Demand Response Programs
OtherCostAndExpenseOperatingEnergyEfficiencyAndDemandResponsePrograms
|
25000000 | USD |
| CY2010Q1 | exc |
Other Cost And Expense Operating Advanced Metering Infrastructure Pilot Program
OtherCostAndExpenseOperatingAdvancedMeteringInfrastructurePilotProgram
|
1000000 | USD |
| CY2010Q1 | exc |
Other Cost And Expense Operating Consumer Education Costs
OtherCostAndExpenseOperatingConsumerEducationCosts
|
1000000 | USD |
| CY2011Q1 | exc |
Other Cost And Expense Operating Energy Efficiency And Demand Response Programs
OtherCostAndExpenseOperatingEnergyEfficiencyAndDemandResponsePrograms
|
33000000 | 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 |
| 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 |
| CY2011Q1 | us-gaap |
Business Acquisition Contingent Consideration At Fair Value
BusinessAcquisitionContingentConsiderationAtFairValue
|
32000000 | USD |
| CY2011Q1 | exc |
Business Acquisition Contingent Consideration At Fair Value Current
BusinessAcquisitionContingentConsiderationAtFairValueCurrent
|
16000000 | USD |
| CY2010Q4 | us-gaap |
Business Combination Acquired Receivables Gross Contractual Amount
BusinessCombinationAcquiredReceivablesGrossContractualAmount
|
24000000 | USD |
| CY2011Q1 | exc |
Business Combination Acquired Receivables Collected
BusinessCombinationAcquiredReceivablesCollected
|
16000000 | USD |
| CY2011Q1 | us-gaap |
Fair Value Assets Measured On Recurring Basis Cash And Cash Equivalents
FairValueAssetsMeasuredOnRecurringBasisCashAndCashEquivalents
|
391000000 | USD |
| CY2011Q1 | exc |
Fair Value Assets Measured On Recurring Basis Total
FairValueAssetsMeasuredOnRecurringBasisTotal
|
8623000000 | USD |
| CY2011Q1 | exc |
Fair Value Liabilities Measured On Recurring Basis Deferred Compensation
FairValueLiabilitiesMeasuredOnRecurringBasisDeferredCompensation
|
78000000 | USD |
| CY2011Q1 | exc |
Fair Value Liabilities Measured On Recurring Basis Total
FairValueLiabilitiesMeasuredOnRecurringBasisTotal
|
143000000 | USD |
| CY2011Q1 | exc |
Fair Value Asset And Liabilities Measured On Recurring Basis Total Net
FairValueAssetAndLiabilitiesMeasuredOnRecurringBasisTotalNet
|
8480000000 | 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 |
| CY2010Q4 | exc |
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Liability Value
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetLiabilityValue
|
50000000 | USD |
| CY2011Q1 | exc |
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Liability Gain Loss Included In Earnings
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetLiabilityGainLossIncludedInEarnings
|
-13000000 | USD |
| CY2011Q1 | exc |
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Liability Gain Loss Included In Other Comprehensive Income
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetLiabilityGainLossIncludedInOtherComprehensiveIncome
|
-9000000 | USD |
| CY2011Q1 | exc |
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Liability Gain Loss Included In Regulatory Assets Liabilities
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetLiabilityGainLossIncludedInRegulatoryAssetsLiabilities
|
52000000 | USD |
| CY2011Q1 | exc |
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Liability Gain Loss Change In Collateral
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetLiabilityGainLossChangeInCollateral
|
5000000 | USD |
| CY2011Q1 | exc |
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases
|
31000000 | USD |
| CY2011Q1 | exc |
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Liability Transfers Out
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetLiabilityTransfersOut
|
-34000000 | USD |
| CY2011Q1 | exc |
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Liability Value
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetLiabilityValue
|
82000000 | USD |
| CY2011Q1 | 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
|
-7000000 | USD |
| CY2009Q4 | exc |
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Liability Value
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetLiabilityValue
|
-46000000 | USD |
| CY2010Q1 | exc |
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Liability Gain Loss Included In Earnings
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetLiabilityGainLossIncludedInEarnings
|
81000000 | USD |
| CY2010Q1 | exc |
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Liability Gain Loss Included In Other Comprehensive Income
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetLiabilityGainLossIncludedInOtherComprehensiveIncome
|
18000000 | USD |
| CY2010Q1 | exc |
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Liability Gain Loss Included In Regulatory Assets Liabilities
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetLiabilityGainLossIncludedInRegulatoryAssetsLiabilities
|
-3000000 | USD |
| CY2010Q1 | exc |
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Liability Gain Loss Change In Collateral
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetLiabilityGainLossChangeInCollateral
|
-16000000 | USD |
| CY2010Q1 | exc |
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Liability Transfers Out
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetLiabilityTransfersOut
|
-1000000 | USD |
| CY2010Q1 | exc |
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Liability Value
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetLiabilityValue
|
33000000 | USD |
| CY2010Q1 | 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
|
77000000 | USD |
| CY2010Q1 | exc |
Derivative Gain Loss Reclassified To Earnings Net
DerivativeGainLossReclassifiedToEarningsNet
|
-2000000 | USD |
| CY2011Q1 | 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 |
| CY2011Q1 | us-gaap |
Interest Rate Derivative Assets At Fair Value
InterestRateDerivativeAssetsAtFairValue
|
12000000 | USD |
| CY2010Q4 | us-gaap |
Interest Rate Derivative Assets At Fair Value
InterestRateDerivativeAssetsAtFairValue
|
14000000 | USD |
| CY2011Q1 | exc |
Affiliate Derivative Assets Current
AffiliateDerivativeAssetsCurrent
|
0 | USD |
| CY2011Q1 | exc |
Affiliate Derivative Assets Noncurrent
AffiliateDerivativeAssetsNoncurrent
|
0 | USD |
| CY2011Q1 | exc |
Total Mark To Market Derivative Assets
TotalMarkToMarketDerivativeAssets
|
887000000 | USD |
| CY2011Q1 | exc |
Affiliate Derivative Liabilities Current
AffiliateDerivativeLiabilitiesCurrent
|
0 | USD |
| CY2011Q1 | exc |
Affiliate Derivative Liabilities Noncurrent
AffiliateDerivativeLiabilitiesNoncurrent
|
0 | USD |
| CY2011Q1 | exc |
Total Mark To Market Derivative Liabilities
TotalMarkToMarketDerivativeLiabilities
|
65000000 | USD |
| CY2011Q1 | us-gaap |
Derivative Fair Value Of Derivative Net
DerivativeFairValueOfDerivativeNet
|
822000000 | 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 |
| CY2010Q1 | us-gaap |
Cash Flow Hedge Gain Loss To Be Reclassified Within Twelve Months
CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths
|
138000000 | USD |
| CY2010Q1 | exc |
Cash Flow Hedge Ineffectiveness Adjustment To Accumulated Other Comprehensive Income
CashFlowHedgeIneffectivenessAdjustmentToAccumulatedOtherComprehensiveIncome
|
1000000 | USD |
| CY2010Q1 | exc |
Change In Cash Flow Hedge Ineffectiveness
ChangeInCashFlowHedgeIneffectiveness
|
1000000 | USD |
| CY2011Q1 | exc |
Other Derivatives Not Designated As Hedging Instruments Change In Fair Value
OtherDerivativesNotDesignatedAsHedgingInstrumentsChangeInFairValue
|
-3000000 | USD |
| CY2011Q1 | exc |
Other Derivatives Not Designated As Hedging Instruments Reclassification To Realized At Settlement
OtherDerivativesNotDesignatedAsHedgingInstrumentsReclassificationToRealizedAtSettlement
|
-145000000 | USD |
| CY2011Q1 | exc |
Other Derivatives Not Designated As Hedging Instruments Gain Loss Net
OtherDerivativesNotDesignatedAsHedgingInstrumentsGainLossNet
|
-148000000 | USD |
| CY2010Q1 | exc |
Other Derivatives Not Designated As Hedging Instruments Change In Fair Value
OtherDerivativesNotDesignatedAsHedgingInstrumentsChangeInFairValue
|
300000000 | USD |
| CY2010Q1 | exc |
Other Derivatives Not Designated As Hedging Instruments Reclassification To Realized At Settlement
OtherDerivativesNotDesignatedAsHedgingInstrumentsReclassificationToRealizedAtSettlement
|
-68000000 | USD |
| CY2010Q1 | exc |
Other Derivatives Not Designated As Hedging Instruments Gain Loss Net
OtherDerivativesNotDesignatedAsHedgingInstrumentsGainLossNet
|
232000000 | USD |
| CY2011Q1 | us-gaap |
Interest Rate Fair Value Hedge Asset At Fair Value
InterestRateFairValueHedgeAssetAtFairValue
|
12000000 | USD |
| CY2010Q4 | exc |
Cash Collateral Received Not Offset Against Net Derivative Position
CashCollateralReceivedNotOffsetAgainstNetDerivativePosition
|
1000000 | USD |
| CY2011Q1 | exc |
Change In Cash Flow Hedge Ineffectiveness
ChangeInCashFlowHedgeIneffectiveness
|
2000000 | USD |
| CY2011Q1 | us-gaap |
Cash Flow Hedge Gain Loss To Be Reclassified Within Twelve Months
CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths
|
105000000 | USD |
| CY2011Q1 | exc |
Hypothetical Ten Percent Increase
HypotheticalTenPercentIncrease
|
0.1 | pure |
| CY2011Q1 | exc |
Less Than One Million Decrease
LessThanOneMillionDecrease
|
-1000000 | USD |
| CY2011Q1 | exc |
Cash Flow Hedge Ineffectiveness Adjustment To Accumulated Other Comprehensive Income
CashFlowHedgeIneffectivenessAdjustmentToAccumulatedOtherComprehensiveIncome
|
3000000 | USD |
| CY2011Q1 | exc |
Cash Collateral Received Not Offset Against Net Derivative Position
CashCollateralReceivedNotOffsetAgainstNetDerivativePosition
|
1000000 | USD |
| CY2011Q1 | us-gaap |
Pledged Assets Separately Reported On Statement Of Financial Position At Fair Value
PledgedAssetsSeparatelyReportedOnStatementOfFinancialPositionAtFairValue
|
225000000 | USD |
| CY2010Q4 | us-gaap |
Pledged Assets Separately Reported On Statement Of Financial Position At Fair Value
PledgedAssetsSeparatelyReportedOnStatementOfFinancialPositionAtFairValue
|
225000000 | USD |
| CY2011Q1 | exc |
Effective Income Tax Rate Reconciliation Plant Basis Differences
EffectiveIncomeTaxRateReconciliationPlantBasisDifferences
|
0 | pure |
| CY2011Q1 | us-gaap |
Effective Income Tax Rate Reconciliation Tax Credits Investment
EffectiveIncomeTaxRateReconciliationTaxCreditsInvestment
|
-0.002 | pure |
| CY2010Q1 | us-gaap |
Effective Income Tax Rate Reconciliation Deductions Qualified Production Activities
EffectiveIncomeTaxRateReconciliationDeductionsQualifiedProductionActivities
|
-0.019 | pure |
| CY2010Q1 | us-gaap |
Effective Income Tax Rate Reconciliation Tax Exempt Income
EffectiveIncomeTaxRateReconciliationTaxExemptIncome
|
-0.001 | pure |
| CY2010Q1 | exc |
Effective Income Tax Rate Reconciliation Elimination Of Deductions Medicare Prescription Drug Benefit
EffectiveIncomeTaxRateReconciliationEliminationOfDeductionsMedicarePrescriptionDrugBenefit
|
0.044 | pure |
| CY2011Q1 | us-gaap |
Effective Income Tax Rate Reconciliation Other Adjustments
EffectiveIncomeTaxRateReconciliationOtherAdjustments
|
-0.007 | pure |
| CY2011Q1 | us-gaap |
Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
|
0.4 | pure |
| CY2010Q1 | us-gaap |
Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
|
0.35 | pure |
| CY2010Q1 | us-gaap |
Effective Income Tax Rate Reconciliation State And Local Income Taxes
EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes
|
0.038 | pure |
| CY2010Q1 | exc |
Effective Income Tax Rate Reconciliation Qualified Nuclear Decommissioning Trust Fund Income Losses
EffectiveIncomeTaxRateReconciliationQualifiedNuclearDecommissioningTrustFundIncomeLosses
|
0.021 | pure |
| CY2011Q1 | us-gaap |
Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
|
0.35 | pure |
| CY2011Q1 | us-gaap |
Effective Income Tax Rate Reconciliation State And Local Income Taxes
EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes
|
0.055 | pure |
| CY2011Q1 | exc |
Effective Income Tax Rate Reconciliation Qualified Nuclear Decommissioning Trust Fund Income Losses
EffectiveIncomeTaxRateReconciliationQualifiedNuclearDecommissioningTrustFundIncomeLosses
|
0.023 | pure |
| CY2011Q1 | us-gaap |
Effective Income Tax Rate Reconciliation Deductions Qualified Production Activities
EffectiveIncomeTaxRateReconciliationDeductionsQualifiedProductionActivities
|
-0.009 | pure |
| CY2011Q1 | us-gaap |
Effective Income Tax Rate Reconciliation Tax Exempt Income
EffectiveIncomeTaxRateReconciliationTaxExemptIncome
|
-0.001 | pure |
| CY2010Q1 | us-gaap |
Effective Income Tax Rate Reconciliation Tax Credits Investment
EffectiveIncomeTaxRateReconciliationTaxCreditsInvestment
|
-0.002 | pure |
| CY2010Q1 | exc |
Effective Income Tax Rate Reconciliation Plant Basis Differences
EffectiveIncomeTaxRateReconciliationPlantBasisDifferences
|
0 | pure |
| CY2010Q1 | us-gaap |
Effective Income Tax Rate Reconciliation Other Adjustments
EffectiveIncomeTaxRateReconciliationOtherAdjustments
|
-0.002 | pure |
| CY2010Q1 | us-gaap |
Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
|
0.429 | pure |
| CY2011Q1 | us-gaap |
Effective Income Tax Rate Reconciliation Deductions Other
EffectiveIncomeTaxRateReconciliationDeductionsOther
|
-0.009 | pure |
| CY2011Q1 | us-gaap |
Unrecognized Tax Benefits That Would Impact Effective Tax Rate
UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate
|
799000000 | USD |
| CY2011Q1 | exc |
Deferred Income Tax Gain On Sale Of Assets
DeferredIncomeTaxGainOnSaleOfAssets
|
2800000000 | USD |
| CY2011Q1 | exc |
Deferred Income Tax Gain In Voluntary Conversion
DeferredIncomeTaxGainInVoluntaryConversion
|
1600000000 | USD |
| CY2011Q1 | 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 | |
| CY2011Q1 | exc |
Preliminary Tax Settlement Tax Assessed
PreliminaryTaxSettlementTaxAssessed
|
300000000 | USD |
| CY2010 | exc |
Preliminary Settlement Payment To Irs
PreliminarySettlementPaymentToIrs
|
302000000 | USD |
| CY2011Q1 | exc |
Income Tax And Penalties From Potential Settle With Taxing Authority
IncomeTaxAndPenaltiesFromPotentialSettleWithTaxingAuthority
|
840000000 | USD |
| CY2011Q1 | exc |
Income Tax Examination Interest Expense From Potential Settlement With Taxing Authority
IncomeTaxExaminationInterestExpenseFromPotentialSettlementWithTaxingAuthority
|
240000000 | USD |
| CY2011Q1 | exc |
Effective Income Tax Rate Reconciliation At State Statutory Income Tax Rate
EffectiveIncomeTaxRateReconciliationAtStateStatutoryIncomeTaxRate
|
0.073 | pure |
| CY2011Q1 | exc |
Effective Income Tax Rate Reconciliation Impact Of Change In Enacted State Statutory Income Tax Rate
EffectiveIncomeTaxRateReconciliationImpactOfChangeInEnactedStateStatutoryIncomeTaxRate
|
7000000 | USD |
| CY2011Q1 | exc |
Deferred State And Local Income Tax Expense Benefit State Tax Apportionment
DeferredStateAndLocalIncomeTaxExpenseBenefitStateTaxApportionment
|
22000000 | USD |
| CY2011Q1 | exc |
State Tax Bonus Depreciation Percent
StateTaxBonusDepreciationPercent
|
1.00 | pure |
| CY2011Q1 | exc |
State Tax Bonus Depreciation Expense Benefit
StateTaxBonusDepreciationExpenseBenefit
|
8000000 | USD |
| CY2011Q1 | us-gaap |
Deferred Other Tax Expense Benefit
DeferredOtherTaxExpenseBenefit
|
7000000 | USD |
| CY2011Q1 | us-gaap |
Deferred Tax Liabilities Regulatory Assets
DeferredTaxLiabilitiesRegulatoryAssets
|
15000000 | USD |
| CY2011Q1 | us-gaap |
Income Tax Examination Liability Refund Adjustment From Settlement With Taxing Authority
IncomeTaxExaminationLiabilityRefundAdjustmentFromSettlementWithTaxingAuthority
|
300000000 | USD |
| CY2011Q1 | exc |
Unrecognized Tax Benefits Income Tax Penalties Expense Like Kind Exchange
UnrecognizedTaxBenefitsIncomeTaxPenaltiesExpenseLikeKindExchange
|
86000000 | USD |
| CY2010Q4 | exc |
Nuclear Asset Retirement Obligation
NuclearAssetRetirementObligation
|
3276000000 | USD |
| CY2011Q1 | exc |
Nuclear Asset Retirement Obligation Accretion Expense
NuclearAssetRetirementObligationAccretionExpense
|
50000000 | USD |
| CY2011Q1 | exc |
Nuclear Asset Retirement Obligation
NuclearAssetRetirementObligation
|
3326000000 | USD |
| CY2011Q1 | us-gaap |
Asset Retirement Obligation Current
AssetRetirementObligationCurrent
|
5000000 | USD |
| CY2011Q1 | exc |
Gross Payable To Zionsolutions
GrossPayableToZionsolutions
|
775000000 | USD |
| CY2011Q1 | exc |
Current Payable To Zionsolutions
CurrentPayableToZionsolutions
|
131000000 | USD |
| CY2010Q4 | us-gaap |
Asset Retirement Obligation Current
AssetRetirementObligationCurrent
|
5000000 | USD |
| CY2011Q1 | exc |
Unrealized Gain Loss Investment Income Nuclear Decommissioning Trust Funds Regulatory Accounting
UnrealizedGainLossInvestmentIncomeNuclearDecommissioningTrustFundsRegulatoryAccounting
|
111000000 | USD |
| CY2010Q1 | exc |
Unrealized Gain Loss Investment Income Nuclear Decommissioning Trust Funds Regulatory Accounting
UnrealizedGainLossInvestmentIncomeNuclearDecommissioningTrustFundsRegulatoryAccounting
|
111000000 | USD |
| CY2011Q1 | exc |
Unrealized Gain Loss Investment Income Nuclear Decommissioning Trust Funds Nonregulatory Accounting
UnrealizedGainLossInvestmentIncomeNuclearDecommissioningTrustFundsNonregulatoryAccounting
|
43000000 | USD |
| CY2010Q1 | exc |
Unrealized Gain Loss Investment Income Nuclear Decommissioning Trust Funds Nonregulatory Accounting
UnrealizedGainLossInvestmentIncomeNuclearDecommissioningTrustFundsNonregulatoryAccounting
|
35000000 | USD |
| CY2011Q1 | exc |
Unrealized Gain Loss Investment Income Zion Station Pledged Assets
UnrealizedGainLossInvestmentIncomeZionStationPledgedAssets
|
23000000 | USD |
| CY2011Q1 | exc |
Spent Nuclear Fuel Obligation Zionsolutions
SpentNuclearFuelObligationZionsolutions
|
34000000 | USD |
| CY2011Q1 | us-gaap |
Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Period Increase Decrease
OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease
|
-39000000 | USD |
| CY2011Q1 | exc |
Defined Benefit Plan Actuarial Net Gains Losses Census Update Pension
DefinedBenefitPlanActuarialNetGainsLossesCensusUpdatePension
|
-6000000 | USD |
| CY2011Q1 | exc |
Defined Benefit Plan Actuarial Net Gains Losses Census Update Opeb
DefinedBenefitPlanActuarialNetGainsLossesCensusUpdateOpeb
|
-28000000 | USD |
| CY2011Q1 | us-gaap |
Securities Loaned
SecuritiesLoaned
|
26000000 | USD |
| CY2011Q1 | exc |
Collateral For Borrowed Securities Fair Value
CollateralForBorrowedSecuritiesFairValue
|
26000000 | USD |
| CY2010Q4 | us-gaap |
Securities Loaned
SecuritiesLoaned
|
46000000 | USD |
| CY2010Q4 | exc |
Collateral For Borrowed Securities Fair Value
CollateralForBorrowedSecuritiesFairValue
|
47000000 | USD |
| CY2011Q1 | exc |
Non Qualified Defined Benefit Plan Estimated Future Employer Contributions In Next Fiscal Year
NonQualifiedDefinedBenefitPlanEstimatedFutureEmployerContributionsInNextFiscalYear
|
11000000 | USD |
| CY2011Q1 | exc |
Defined Other Postretirement Benefit Plan Estimated Future Employer Contributions In Next Fiscal Year
DefinedOtherPostretirementBenefitPlanEstimatedFutureEmployerContributionsInNextFiscalYear
|
185000000 | USD |
| CY2011Q1 | exc |
Defined Benefit Plan Planned Target Allocation Percentage Of Assets Debt Securities
DefinedBenefitPlanPlannedTargetAllocationPercentageOfAssetsDebtSecurities
|
0.5 | pure |
| CY2011Q1 | exc |
Defined Benefit Plan Planned Target Allocation Percentage Of Assets Equity Securities
DefinedBenefitPlanPlannedTargetAllocationPercentageOfAssetsEquitySecurities
|
0.3 | pure |
| CY2011Q1 | exc |
Defined Benefit Plan Planned Target Allocation Percentage Of Assets Alternative Investments
DefinedBenefitPlanPlannedTargetAllocationPercentageOfAssetsAlternativeInvestments
|
0.2 | pure |
| CY2011Q1 | exc |
Percentage Of Collateral For Borrowed Securities In Domestic Currency
PercentageOfCollateralForBorrowedSecuritiesInDomesticCurrency
|
1.02 | pure |
| CY2011Q1 | exc |
Percentage Of Collateral For Borrowed Securities In Foreign Currency
PercentageOfCollateralForBorrowedSecuritiesInForeignCurrency
|
1.05 | pure |
| CY2011Q1 | exc |
Percentage Of Collateral For Borrowed Securities Required Levels
PercentageOfCollateralForBorrowedSecuritiesRequiredLevels
|
1.00 | pure |
| CY2011Q1 | exc |
Deferred Federal Income Tax Expense Federally Subsidized Healthcare Costs
DeferredFederalIncomeTaxExpenseFederallySubsidizedHealthcareCosts
|
65000000 | USD |
| CY2011Q1 | exc |
Collateral Weighted Average Maturity
CollateralWeightedAverageMaturity
|
11 | Months |
| CY2011Q1 | exc |
Defined Contribution Plan Contributions By Employer
DefinedContributionPlanContributionsByEmployer
|
16000000 | USD |
| CY2010Q1 | exc |
Defined Contribution Plan Contributions By Employer
DefinedContributionPlanContributionsByEmployer
|
20000000 | USD |
| CY2011Q1 | exc |
Plant Retirement Severance Charges
PlantRetirementSeveranceCharges
|
2000000 | USD |
| CY2011Q1 | exc |
Plant Retirement Cash Payments
PlantRetirementCashPayments
|
-1000000 | USD |
| CY2011Q1 | exc |
Plant Retirement Severance Obligation Other Adjustments
PlantRetirementSeveranceObligationOtherAdjustments
|
0 | USD |
| CY2011Q1 | exc |
Plant Retirement Obligations Balance
PlantRetirementObligationsBalance
|
8000000 | USD |
| CY2009Q4 | exc |
Plant Retirements Positions Eliminated
PlantRetirementsPositionsEliminated
|
260 | EmployeePositions |
| CY2009Q4 | us-gaap |
Restructuring And Related Cost Expected Cost
RestructuringAndRelatedCostExpectedCost
|
38000000 | USD |
| CY2011Q1 | us-gaap |
Business Exit Costs
BusinessExitCosts
|
28000000 | USD |
| exc |
Plant Retirements Severance Costs
PlantRetirementsSeveranceCosts
|
11000000 | USD | |
| us-gaap |
Inventory Write Down
InventoryWriteDown
|
17000000 | USD | |
| exc |
Plant Retirements Accelerated Depreciation
PlantRetirementsAcceleratedDepreciation
|
136000000 | USD | |
| CY2011Q1 | exc |
Plant Retirements Severance Costs
PlantRetirementsSeveranceCosts
|
2000000 | USD |
| CY2010Q1 | exc |
Plant Retirements Severance Costs
PlantRetirementsSeveranceCosts
|
2000000 | USD |
| CY2011Q1 | exc |
Plant Retirements Accelerated Depreciation
PlantRetirementsAcceleratedDepreciation
|
24000000 | USD |
| CY2010Q1 | exc |
Plant Retirements Accelerated Depreciation
PlantRetirementsAcceleratedDepreciation
|
15000000 | USD |
| CY2010Q4 | exc |
Plant Retirement Obligations Balance
PlantRetirementObligationsBalance
|
7000000 | USD |
| CY2011Q1 | us-gaap |
Incremental Common Shares Attributable To Share Based Payment Arrangements
IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
|
2000000 | shares |
| CY2010Q1 | us-gaap |
Incremental Common Shares Attributable To Share Based Payment Arrangements
IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
|
1000000 | shares |
| CY2011Q1 | us-gaap |
Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount
AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
|
9000000 | shares |
| CY2011Q1 | us-gaap |
Pension And Other Postretirement Benefit Expense
PensionAndOtherPostretirementBenefitExpense
|
136000000 | USD |
| CY2011Q1 | us-gaap |
Provision For Doubtful Accounts
ProvisionForDoubtfulAccounts
|
45000000 | USD |
| CY2011Q1 | us-gaap |
Share Based Compensation
ShareBasedCompensation
|
28000000 | USD |
| CY2011Q1 | exc |
Other Decommissioning Related Activity
OtherDecommissioningRelatedActivity
|
32000000 | USD |
| CY2011Q1 | exc |
Energy Related Options
EnergyRelatedOptions
|
34000000 | USD |
| CY2010Q1 | us-gaap |
Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount
AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
|
6000000 | shares |
| CY2010Q1 | exc |
Regulatory Offset Nuclear Decommissioning Trust Fund Activity
RegulatoryOffsetNuclearDecommissioningTrustFundActivity
|
128000000 | USD |
| CY2010Q1 | exc |
Gain Loss Investment Income Nuclear Decommissioning Trust Funds
GainLossInvestmentIncomeNuclearDecommissioningTrustFunds
|
78000000 | USD |
| CY2010Q1 | us-gaap |
Capital Leases Income Statement Direct Financing Lease Revenue
CapitalLeasesIncomeStatementDirectFinancingLeaseRevenue
|
7000000 | USD |
| CY2010Q1 | us-gaap |
Other Nonoperating Income
OtherNonoperatingIncome
|
8000000 | USD |
| CY2011Q1 | exc |
Amortization Of Regulatory Asset Debt Costs
AmortizationOfRegulatoryAssetDebtCosts
|
6000000 | USD |
| CY2011Q1 | exc |
Under Over Recovered Uncollectible Accounts
UnderOverRecoveredUncollectibleAccounts
|
-4000000 | USD |
| CY2011Q1 | exc |
Other Noncash Income Expense Net
OtherNoncashIncomeExpenseNet
|
2000000 | USD |
| CY2011Q1 | us-gaap |
Increase Decrease In Over Under Energy Recovery
IncreaseDecreaseInOverUnderEnergyRecovery
|
60000000 | USD |
| CY2011Q1 | exc |
Increase Decrease In Other Current Operating Assets
IncreaseDecreaseInOtherCurrentOperatingAssets
|
168000000 | USD |
| CY2011Q1 | us-gaap |
Line Of Credit Facility Increase Decrease For Period Net
LineOfCreditFacilityIncreaseDecreaseForPeriodNet
|
-89000000 | USD |
| CY2011Q1 | exc |
Increase Decrease In Guarantee Obligations
IncreaseDecreaseInGuaranteeObligations
|
42000000 | USD |
| CY2011Q1 | us-gaap |
Capital Leases Net Investment In Direct Financing Leases
CapitalLeasesNetInvestmentInDirectFinancingLeases
|
635000000 | USD |
| CY2011Q1 | exc |
Minimum Ghg Emissions Required For Eligibility For Stationary Source Permitting
MinimumGhgEmissionsRequiredForEligibilityForStationarySourcePermitting
|
100000 | Tons |
| CY2011Q1 | exc |
Minimum Additional Ghg Emissions Required For Eligibility For Stationary Source Permitting After Modifications
MinimumAdditionalGhgEmissionsRequiredForEligibilityForStationarySourcePermittingAfterModifications
|
75000 | Tons |
| CY2011Q1 | us-gaap |
Site Contingency Loss Exposure Not Accrued Low Estimate
SiteContingencyLossExposureNotAccruedLowEstimate
|
430000000 | USD |
| CY2011Q1 | us-gaap |
Amortization Of Regulatory Asset
AmortizationOfRegulatoryAsset
|
14000000 | USD |
| CY2011Q1 | exc |
Nuclear Fuel Amortization
NuclearFuelAmortization
|
174000000 | USD |
| CY2011Q1 | us-gaap |
Asset Retirement Obligation Accretion Expense
AssetRetirementObligationAccretionExpense
|
51000000 | USD |
| CY2010Q1 | us-gaap |
Depreciation
Depreciation
|
279000000 | USD |
| CY2010Q1 | exc |
Nuclear Fuel Amortization
NuclearFuelAmortization
|
155000000 | USD |
| CY2010Q1 | us-gaap |
Asset Retirement Obligation Accretion Expense
AssetRetirementObligationAccretionExpense
|
49000000 | USD |
| CY2010Q1 | us-gaap |
Amortization Of Regulatory Asset
AmortizationOfRegulatoryAsset
|
235000000 | USD |
| CY2011Q1 | us-gaap |
Depreciation
Depreciation
|
313000000 | USD |
| CY2011Q1 | exc |
Realized Gain Loss Investment Income Nuclear Decommissioning Trust Funds Regulatory Accounting
RealizedGainLossInvestmentIncomeNuclearDecommissioningTrustFundsRegulatoryAccounting
|
43000000 | USD |
| CY2011Q1 | exc |
Realized Gain Loss Investment Income Nuclear Decommissioning Trust Funds Nonregulatory Accounting
RealizedGainLossInvestmentIncomeNuclearDecommissioningTrustFundsNonregulatoryAccounting
|
10000000 | USD |
| CY2011Q1 | exc |
Unrealized Gain Loss Nuclear Decommissioning Trust Funds Regulatory Accounting
UnrealizedGainLossNuclearDecommissioningTrustFundsRegulatoryAccounting
|
111000000 | USD |
| CY2011Q1 | exc |
Unrealized Gain Loss Nuclear Decommissioning Trust Funds Nonregulatory Accounting
UnrealizedGainLossNuclearDecommissioningTrustFundsNonregulatoryAccounting
|
43000000 | USD |
| CY2011Q1 | exc |
Regulatory Offset Nuclear Decommissioning Trust Fund Activity
RegulatoryOffsetNuclearDecommissioningTrustFundActivity
|
151000000 | USD |
| CY2011Q1 | exc |
Gain Loss Investment Income Nuclear Decommissioning Trust Funds
GainLossInvestmentIncomeNuclearDecommissioningTrustFunds
|
79000000 | USD |
| CY2011Q1 | us-gaap |
Investment Income Interest
InvestmentIncomeInterest
|
1000000 | USD |
| CY2011Q1 | us-gaap |
Capital Leases Income Statement Direct Financing Lease Revenue
CapitalLeasesIncomeStatementDirectFinancingLeaseRevenue
|
7000000 | USD |
| CY2011Q1 | exc |
Unrecognized Tax Benefits Interest Income
UnrecognizedTaxBenefitsInterestIncome
|
3000000 | USD |
| CY2011Q1 | us-gaap |
Gains Losses On Extinguishment Of Debt
GainsLossesOnExtinguishmentOfDebt
|
5000000 | USD |
| CY2011Q1 | us-gaap |
Other Nonoperating Income
OtherNonoperatingIncome
|
-2000000 | USD |
| CY2011Q1 | exc |
Net Unrelaized Gain Loss On Pledged Assets
NetUnrelaizedGainLossOnPledgedAssets
|
23000000 | USD |
| CY2010Q1 | exc |
Realized Gain Loss Investment Income Nuclear Decommissioning Trust Funds Regulatory Accounting
RealizedGainLossInvestmentIncomeNuclearDecommissioningTrustFundsRegulatoryAccounting
|
49000000 | USD |
| CY2010Q1 | exc |
Realized Gain Loss Investment Income Nuclear Decommissioning Trust Funds Nonregulatory Accounting
RealizedGainLossInvestmentIncomeNuclearDecommissioningTrustFundsNonregulatoryAccounting
|
11000000 | USD |
| CY2010Q1 | exc |
Unrealized Gain Loss Nuclear Decommissioning Trust Funds Regulatory Accounting
UnrealizedGainLossNuclearDecommissioningTrustFundsRegulatoryAccounting
|
111000000 | USD |
| CY2010Q1 | exc |
Unrealized Gain Loss Nuclear Decommissioning Trust Funds Nonregulatory Accounting
UnrealizedGainLossNuclearDecommissioningTrustFundsNonregulatoryAccounting
|
35000000 | USD |
| CY2011Q1 | exc |
Increase Decrease In Other Noncurrent Operating Assets Liabilities
IncreaseDecreaseInOtherNoncurrentOperatingAssetsLiabilities
|
-11000000 | USD |
| CY2010Q1 | us-gaap |
Pension And Other Postretirement Benefit Expense
PensionAndOtherPostretirementBenefitExpense
|
144000000 | USD |
| CY2010Q1 | us-gaap |
Provision For Doubtful Accounts
ProvisionForDoubtfulAccounts
|
48000000 | USD |
| CY2010Q1 | exc |
Other Noncash Income Expense Net
OtherNoncashIncomeExpenseNet
|
-7000000 | USD |
| CY2010Q1 | exc |
Under Over Recovered Uncollectible Accounts
UnderOverRecoveredUncollectibleAccounts
|
84000000 | USD |
| CY2010Q1 | exc |
Amortization Of Regulatory Asset Debt Costs
AmortizationOfRegulatoryAssetDebtCosts
|
6000000 | USD |
| CY2010Q1 | exc |
Energy Related Options
EnergyRelatedOptions
|
-18000000 | USD |
| CY2010Q1 | exc |
Other Decommissioning Related Activity
OtherDecommissioningRelatedActivity
|
35000000 | USD |
| CY2010Q1 | us-gaap |
Share Based Compensation
ShareBasedCompensation
|
18000000 | USD |
| CY2010Q1 | us-gaap |
Increase Decrease In Over Under Energy Recovery
IncreaseDecreaseInOverUnderEnergyRecovery
|
-38000000 | USD |
| CY2010Q1 | exc |
Increase Decrease In Other Current Operating Assets
IncreaseDecreaseInOtherCurrentOperatingAssets
|
198000000 | USD |
| CY2010Q1 | exc |
Increase Decrease In Other Noncurrent Operating Assets Liabilities
IncreaseDecreaseInOtherNoncurrentOperatingAssetsLiabilities
|
11000000 | USD |
| CY2011Q1 | us-gaap |
Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
|
10411000000 | USD |
| CY2011Q1 | us-gaap |
Allowance For Doubtful Accounts Receivable Current
AllowanceForDoubtfulAccountsReceivableCurrent
|
246000000 | 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 |
| CY2011Q1 | us-gaap |
Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax
AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax
|
354000000 | USD |
| CY2011Q1 | us-gaap |
Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax
AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax
|
2751000000 | USD |
| CY2011Q1 | exc |
Accumulated Unrealized Gain Loss Marketable Securities
AccumulatedUnrealizedGainLossMarketableSecurities
|
0 | 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 |
| CY2011Q1 | us-gaap |
Segment Reporting Information Revenue
SegmentReportingInformationRevenue
|
5052000000 | USD |
| CY2010Q1 | us-gaap |
Segment Reporting Information Revenue
SegmentReportingInformationRevenue
|
4461000000 | USD |
| CY2011Q1 | us-gaap |
Segment Reporting Information Intersegment Revenue
SegmentReportingInformationIntersegmentRevenue
|
1000000 | USD |
| CY2010Q1 | us-gaap |
Segment Reporting Information Intersegment Revenue
SegmentReportingInformationIntersegmentRevenue
|
0 | USD |
| CY2011Q1 | us-gaap |
Segment Reporting Information Profit Loss
SegmentReportingInformationProfitLoss
|
668000000 | USD |
| CY2010Q1 | us-gaap |
Segment Reporting Information Profit Loss
SegmentReportingInformationProfitLoss
|
749000000 | USD |
| CY2011Q1 | us-gaap |
Segment Reporting Information Assets
SegmentReportingInformationAssets
|
51376000000 | USD |
| CY2010Q4 | us-gaap |
Segment Reporting Information Assets
SegmentReportingInformationAssets
|
52240000000 | USD |
