2011 Q1 Form 10-Q Financial Statement
#000010781511000052 Filed on May 05, 2011
Income Statement
Concept | 2011 Q1 | 2010 Q1 |
---|---|---|
Revenue | $1.329B | $1.249B |
YoY Change | 6.42% | -10.07% |
Cost Of Revenue | $342.4M | $355.8M |
YoY Change | -3.77% | -29.22% |
Gross Profit | $986.3M | $892.8M |
YoY Change | 10.47% | 0.8% |
Gross Profit Margin | 74.23% | 71.5% |
Selling, General & Admin | ||
YoY Change | ||
% of Gross Profit | ||
Research & Development | ||
YoY Change | ||
% of Gross Profit | ||
Depreciation & Amortization | $81.30M | $71.90M |
YoY Change | 13.07% | -17.92% |
% of Gross Profit | 8.24% | 8.05% |
Operating Expenses | $690.7M | $713.8M |
YoY Change | -3.24% | 0.76% |
Operating Profit | $295.6M | $228.4M |
YoY Change | 29.42% | 28.82% |
Interest Expense | $63.40M | $49.40M |
YoY Change | 28.34% | -286.42% |
% of Operating Profit | 21.45% | 21.63% |
Other Income/Expense, Net | $12.50M | $6.200M |
YoY Change | 101.61% | -3.13% |
Pretax Income | $260.2M | $200.4M |
YoY Change | 29.84% | -9.49% |
Income Tax | $89.30M | $71.40M |
% Of Pretax Income | 34.32% | 35.63% |
Net Earnings | $170.9M | $129.7M |
YoY Change | 31.77% | -8.34% |
Net Earnings / Revenue | 12.86% | 10.39% |
Basic Earnings Per Share | $0.73 | $0.55 |
Diluted Earnings Per Share | $0.72 | $0.55 |
COMMON SHARES | ||
Basic Shares Outstanding | 233.7M shares | 233.8M shares |
Diluted Shares Outstanding | 236.6M shares | 236.7M shares |
Balance Sheet
Concept | 2011 Q1 | 2010 Q1 |
---|---|---|
SHORT-TERM ASSETS | ||
Cash & Short-Term Investments | $236.0M | $13.00M |
YoY Change | 1715.38% | -23.53% |
Cash & Equivalents | $236.0M | $12.80M |
Short-Term Investments | ||
Other Short-Term Assets | $289.0M | $370.0M |
YoY Change | -21.89% | -28.02% |
Inventory | $284.0M | $337.0M |
Prepaid Expenses | $190.1M | |
Receivables | $425.2M | $600.0M |
Other Receivables | $0.00 | $0.00 |
Total Short-Term Assets | $1.460B | $1.320B |
YoY Change | 10.59% | -13.89% |
LONG-TERM ASSETS | ||
Property, Plant & Equipment | $9.639B | $9.238B |
YoY Change | 4.34% | 7.42% |
Goodwill | $441.9M | |
YoY Change | ||
Intangibles | ||
YoY Change | ||
Long-Term Investments | $375.0M | $359.0M |
YoY Change | 4.46% | 10.46% |
Other Assets | $215.4M | $1.364B |
YoY Change | -84.21% | -9.79% |
Total Long-Term Assets | $11.73B | $11.40B |
YoY Change | 2.87% | 4.81% |
TOTAL ASSETS | ||
Total Short-Term Assets | $1.460B | $1.320B |
Total Long-Term Assets | $11.73B | $11.40B |
Total Assets | $13.19B | $12.72B |
YoY Change | 3.67% | 2.5% |
SHORT-TERM LIABILITIES | ||
YoY Change | ||
Accounts Payable | $269.1M | $279.0M |
YoY Change | -3.55% | -8.22% |
Accrued Expenses | ||
YoY Change | ||
Deferred Revenue | ||
YoY Change | ||
Short-Term Debt | $282.0M | $478.0M |
YoY Change | -41.0% | -39.57% |
Long-Term Debt Due | $479.8M | $43.00M |
YoY Change | 1015.81% | 258.33% |
Total Short-Term Liabilities | $1.340B | $1.255B |
YoY Change | 6.8% | -26.44% |
LONG-TERM LIABILITIES | ||
Long-Term Debt | $4.339B | $4.396B |
YoY Change | -1.29% | 7.67% |
Other Long-Term Liabilities | $359.3M | $2.359B |
YoY Change | -84.77% | 1.55% |
Total Long-Term Liabilities | $4.698B | $6.755B |
YoY Change | -30.45% | 5.45% |
TOTAL LIABILITIES | ||
Total Short-Term Liabilities | $1.340B | $1.255B |
Total Long-Term Liabilities | $4.698B | $6.755B |
Total Liabilities | $6.039B | $9.049B |
YoY Change | -33.27% | 1.21% |
SHAREHOLDERS EQUITY | ||
Retained Earnings | ||
YoY Change | ||
Common Stock | $3.905B | |
YoY Change | ||
Preferred Stock | ||
YoY Change | ||
Treasury Stock (at cost) | ||
YoY Change | ||
Treasury Stock Shares | ||
Shareholders Equity | $3.935B | $3.672B |
YoY Change | ||
Total Liabilities & Shareholders Equity | $13.19B | $12.72B |
YoY Change | 3.67% | 2.51% |
Cashflow Statement
Concept | 2011 Q1 | 2010 Q1 |
---|---|---|
OPERATING ACTIVITIES | ||
Net Income | $170.9M | $129.7M |
YoY Change | 31.77% | -8.34% |
Depreciation, Depletion And Amortization | $81.30M | $71.90M |
YoY Change | 13.07% | -17.92% |
Cash From Operating Activities | $391.0M | $303.7M |
YoY Change | 28.75% | 1396.06% |
INVESTING ACTIVITIES | ||
Capital Expenditures | $135.5M | $194.6M |
YoY Change | -30.37% | 13.54% |
Acquisitions | ||
YoY Change | ||
Other Investing Activities | $7.400M | $16.30M |
YoY Change | -54.6% | -42.61% |
Cash From Investing Activities | -$144.4M | -$171.1M |
YoY Change | -15.6% | 19.65% |
FINANCING ACTIVITIES | ||
Cash Dividend Paid | ||
YoY Change | ||
Common Stock Issuance & Retirement, Net | $24.90M | $31.80M |
YoY Change | -21.7% | -1323.08% |
Debt Paid & Issued, Net | $5.000M | $261.7M |
YoY Change | -98.09% | |
Cash From Financing Activities | -$35.10M | -$140.7M |
YoY Change | -75.05% | -231.13% |
NET CHANGE | ||
Cash From Operating Activities | $391.0M | $303.7M |
Cash From Investing Activities | -$144.4M | -$171.1M |
Cash From Financing Activities | -$35.10M | -$140.7M |
Net Change In Cash | $211.5M | -$8.100M |
YoY Change | -2711.11% | -47.4% |
FREE CASH FLOW | ||
Cash From Operating Activities | $391.0M | $303.7M |
Capital Expenditures | $135.5M | $194.6M |
Free Cash Flow | $255.5M | $109.1M |
YoY Change | 134.19% | -172.2% |
Facts In Submission
Frame | Concept Type | Concept / XBRL Key | Value | Unit |
---|---|---|---|---|
CY2011Q1 | wec |
Accrued Revenues
AccruedRevenues
|
224900000 | USD |
CY2010Q4 | wec |
Accrued Revenues
AccruedRevenues
|
280300000 | USD |
CY2011Q1 | wec |
Capital Lease Agreement With Vie Remaining Term In Years
CapitalLeaseAgreementWithVieRemainingTermInYears
|
12 | |
CY2010Q1 | wec |
Commercial Paper Included In Pension Trust And Opeb Plan Assets
CommercialPaperIncludedInPensionTrustAndOpebPlanAssets
|
23000000 | USD |
CY2010Q1 | wec |
Cost Of Gas Sold
CostOfGasSold
|
355800000 | USD |
CY2011Q1 | wec |
Cost Of Gas Sold
CostOfGasSold
|
342400000 | USD |
CY2011Q1 | wec |
Current Rates Amounts As Percent Of Capital Expenditures
CurrentRatesAmountsAsPercentOfCapitalExpenditures
|
0.14 | |
CY2011Q1 | wec |
Distributions From Transmission Affiliate
DistributionsFromTransmissionAffiliate
|
12400000 | USD |
CY2010Q1 | wec |
Distributions From Transmission Affiliate
DistributionsFromTransmissionAffiliate
|
12500000 | USD |
CY2010Q4 | wec |
Fair Value Assets Measured On Recurring Basis Total Assets
FairValueAssetsMeasuredOnRecurringBasisTotalAssets
|
24000000 | USD |
CY2010Q4 | wec |
Fair Value Liabilities Measured On Recurring Basis Total Liabilities
FairValueLiabilitiesMeasuredOnRecurringBasisTotalLiabilities
|
11600000 | USD |
CY2011Q1 | wec |
Fuel And Purchased Power
FuelAndPurchasedPower
|
267600000 | USD |
CY2010Q1 | wec |
Fuel And Purchased Power
FuelAndPurchasedPower
|
277400000 | USD |
CY2011Q1 | wec |
Guarantee Obligations Current Outstanding
GuaranteeObligationsCurrentOutstanding
|
100000 | USD |
CY2011Q1 | wec |
Maximum Percentage Award Based On Performance Unit
MaximumPercentageAwardBasedOnPerformanceUnit
|
1.75 | |
CY2011Q1 | wec |
Minimum Percentage Award Based On Performance Unit
MinimumPercentageAwardBasedOnPerformanceUnit
|
0 | |
CY2011Q1 | wec |
New Generating Units Build
NewGeneratingUnitsBuild
|
4 | |
CY2011Q1 | wec |
Number Of Agreements With Vies
NumberOfAgreementsWithVies
|
2 | |
CY2011Q1 | wec |
Number Of Operating Leases With Vies
NumberOfOperatingLeasesWithVies
|
1 | |
CY2011Q1 | wec |
Operating Lease Agreement With Vie Remaining Term In Years
OperatingLeaseAgreementWithVieRemainingTermInYears
|
2 | |
CY2011Q1 | wec |
Power Capacity Under Capital Lease
PowerCapacityUnderCapitalLease
|
236 | |
CY2011Q1 | wec |
Proceeds From Sale Of Interest In Unit
ProceedsFromSaleOfInterestInUnit
|
38000000 | USD |
CY2010Q1 | wec |
Property And Revenue Taxes
PropertyAndRevenueTaxes
|
26600000 | USD |
CY2011Q1 | wec |
Property And Revenue Taxes
PropertyAndRevenueTaxes
|
28300000 | USD |
CY2010Q4 | wec |
Restricted Cash
RestrictedCash
|
8300000 | USD |
CY2011Q1 | wec |
Return On Equity After Tax
ReturnOnEquityAfterTax
|
0.127 | |
CY2011Q1 | wec |
Share Based Compensation Arrangement By Share Based Payment Award Award Percentage To Vest Each Year After Grant Date
ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardPercentageToVestEachYearAfterGrantDate
|
0.33 | |
CY2011Q1 | wec |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Forfeiture Rate
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedForfeitureRate
|
0.020 | |
CY2010Q1 | wec |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Forfeiture Rate
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedForfeitureRate
|
0.020 | |
CY2011Q1 | wec |
Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Exercisable Options Weighted Average Remaining Contractual Period
ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageRemainingContractualPeriod
|
5.0 | Years |
CY2011Q1 | wec |
Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Outstanding Options Weighted Average Remaining Contractual Period
ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualPeriod
|
5.8 | Years |
CY2011Q1 | wec |
Signficant Change In Unrecognized Tax Benefits Is Reasonably Possible Amount Of Decrease Total
SignficantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleAmountOfDecreaseTotal
|
13000000 | USD |
CY2011Q1 | wec |
Significant Change In Unrecognized Tax Benefit Is Reasonably Possible Amount Of Decrease Attributable To Discontinued Operations
SignificantChangeInUnrecognizedTaxBenefitIsReasonablyPossibleAmountOfDecreaseAttributableToDiscontinuedOperations
|
9000000 | USD |
CY2010Q4 | wec |
Total Capitalization
TotalCapitalization
|
7764500000 | USD |
CY2011Q1 | wec |
Total Capitalization
TotalCapitalization
|
8274200000 | USD |
CY2010Q4 | wec |
Total Deferred Charges And Other Assets
TotalDeferredChargesAndOtherAssets
|
1750900000 | USD |
CY2011Q1 | wec |
Total Deferred Charges And Other Assets
TotalDeferredChargesAndOtherAssets
|
1715000000 | USD |
CY2011Q1 | wec |
Total Deferred Credits And Other Liabilities
TotalDeferredCreditsAndOtherLiabilities
|
3574100000 | USD |
CY2010Q4 | wec |
Total Deferred Credits And Other Liabilities
TotalDeferredCreditsAndOtherLiabilities
|
3574200000 | USD |
CY2011Q1 | wec |
Volume Of Derivative Instruments
VolumeOfDerivativeInstruments
|
||
CY2010Q1 | wec |
Volume Of Derivative Instruments
VolumeOfDerivativeInstruments
|
||
CY2010Q1 | wec |
Weighted Average Pre Tax Cost Of Interest
WeightedAveragePreTaxCostOfInterest
|
0.05 | |
CY2011Q1 | dei |
Amendment Flag
AmendmentFlag
|
false | |
CY2011Q1 | dei |
Current Fiscal Year End Date
CurrentFiscalYearEndDate
|
--12-31 | |
CY2011Q1 | dei |
Document Fiscal Period Focus
DocumentFiscalPeriodFocus
|
Q1 | |
CY2011Q1 | dei |
Document Fiscal Year Focus
DocumentFiscalYearFocus
|
2011 | |
CY2011Q1 | dei |
Document Period End Date
DocumentPeriodEndDate
|
2011-03-31 | |
CY2011Q1 | dei |
Document Type
DocumentType
|
10-Q | |
CY2011Q1 | dei |
Entity Central Index Key
EntityCentralIndexKey
|
0000783325 | |
CY2011Q1 | dei |
Entity Common Stock Shares Outstanding
EntityCommonStockSharesOutstanding
|
233746331 | shares |
CY2011Q1 | dei |
Entity Current Reporting Status
EntityCurrentReportingStatus
|
Yes | |
CY2011Q1 | dei |
Entity Filer Category
EntityFilerCategory
|
Large Accelerated Filer | |
CY2010Q2 | dei |
Entity Public Float
EntityPublicFloat
|
5900000000 | USD |
CY2011Q1 | dei |
Entity Registrant Name
EntityRegistrantName
|
WISCONSIN ENERGY CORP | |
CY2011Q1 | dei |
Entity Voluntary Filers
EntityVoluntaryFilers
|
No | |
CY2011Q1 | dei |
Entity Well Known Seasoned Issuer
EntityWellKnownSeasonedIssuer
|
Yes | |
CY2011Q1 | us-gaap |
Accounts Payable Current
AccountsPayableCurrent
|
269100000 | USD |
CY2010Q4 | us-gaap |
Accounts Payable Current
AccountsPayableCurrent
|
315400000 | USD |
CY2011Q1 | us-gaap |
Accounts Receivable Net Current
AccountsReceivableNetCurrent
|
425200000 | USD |
CY2010Q4 | us-gaap |
Accounts Receivable Net Current
AccountsReceivableNetCurrent
|
344600000 | USD |
CY2011Q1 | us-gaap |
Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
|
3639100000 | USD |
CY2010Q4 | us-gaap |
Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
|
3624000000 | USD |
CY2011Q1 | us-gaap |
Allocated Share Based Compensation Expense
AllocatedShareBasedCompensationExpense
|
2100000 | USD |
CY2010Q1 | us-gaap |
Allocated Share Based Compensation Expense
AllocatedShareBasedCompensationExpense
|
4900000 | USD |
CY2010Q4 | us-gaap |
Assets
Assets
|
13059800000 | USD |
CY2011Q1 | us-gaap |
Assets
Assets
|
13188600000 | USD |
CY2010Q1 | us-gaap |
Assets
Assets
|
12721500000 | USD |
CY2010Q4 | us-gaap |
Assets Current
AssetsCurrent
|
1331100000 | USD |
CY2011Q1 | us-gaap |
Assets Current
AssetsCurrent
|
1459800000 | USD |
CY2011Q1 | us-gaap |
Capital Leases Balance Sheet Assets By Major Class Net
CapitalLeasesBalanceSheetAssetsByMajorClassNet
|
63400000 | USD |
CY2010Q4 | us-gaap |
Capital Leases Balance Sheet Assets By Major Class Net
CapitalLeasesBalanceSheetAssetsByMajorClassNet
|
64800000 | USD |
CY2011Q1 | us-gaap |
Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
|
236000000 | USD |
CY2010Q4 | us-gaap |
Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
|
24500000 | USD |
CY2009Q4 | us-gaap |
Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
|
20900000 | USD |
CY2010Q1 | us-gaap |
Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
|
12800000 | USD |
CY2010Q1 | us-gaap |
Cash And Cash Equivalents Period Increase Decrease
CashAndCashEquivalentsPeriodIncreaseDecrease
|
-8100000 | USD |
CY2011Q1 | us-gaap |
Cash And Cash Equivalents Period Increase Decrease
CashAndCashEquivalentsPeriodIncreaseDecrease
|
211500000 | USD |
CY2011Q1 | us-gaap |
Collateral Already Posted Aggregate Fair Value
CollateralAlreadyPostedAggregateFairValue
|
1500000 | USD |
CY2010Q4 | us-gaap |
Collateral Already Posted Aggregate Fair Value
CollateralAlreadyPostedAggregateFairValue
|
11700000 | USD |
CY2010Q4 | us-gaap |
Commercial Paper
CommercialPaper
|
657900000 | USD |
CY2011Q1 | us-gaap |
Commercial Paper
CommercialPaper
|
281500000 | USD |
CY2011Q1 | us-gaap |
Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
|
0.26 | |
CY2010Q1 | us-gaap |
Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
|
0.20 | |
CY2011Q1 | us-gaap |
Common Stock Value
CommonStockValue
|
3904700000 | USD |
CY2010Q4 | us-gaap |
Common Stock Value
CommonStockValue
|
3802100000 | USD |
CY2011Q1 | us-gaap |
Comprehensive Income Net Of Tax
ComprehensiveIncomeNetOfTax
|
171000000 | USD |
CY2010Q1 | us-gaap |
Comprehensive Income Net Of Tax
ComprehensiveIncomeNetOfTax
|
129800000 | USD |
CY2010Q4 | us-gaap |
Construction In Progress Gross
ConstructionInProgressGross
|
1569900000 | USD |
CY2011Q1 | us-gaap |
Construction In Progress Gross
ConstructionInProgressGross
|
871700000 | USD |
CY2011Q1 | us-gaap |
Deferred Income Taxes And Tax Credits
DeferredIncomeTaxesAndTaxCredits
|
71900000 | USD |
CY2010Q1 | us-gaap |
Deferred Income Taxes And Tax Credits
DeferredIncomeTaxesAndTaxCredits
|
5100000 | USD |
CY2011Q1 | us-gaap |
Deferred Revenue Noncurrent
DeferredRevenueNoncurrent
|
795000000 | USD |
CY2010Q4 | us-gaap |
Deferred Revenue Noncurrent
DeferredRevenueNoncurrent
|
805500000 | USD |
CY2010Q4 | us-gaap |
Deferred Tax Assets Liabilities Net Noncurrent
DeferredTaxAssetsLiabilitiesNetNoncurrent
|
-1154800000 | USD |
CY2011Q1 | us-gaap |
Deferred Tax Assets Liabilities Net Noncurrent
DeferredTaxAssetsLiabilitiesNetNoncurrent
|
-1267900000 | USD |
CY2011Q1 | us-gaap |
Defined Benefit Plan Benefit Obligation
DefinedBenefitPlanBenefitObligation
|
14400000 | USD |
CY2010Q4 | us-gaap |
Defined Benefit Plan Benefit Obligation
DefinedBenefitPlanBenefitObligation
|
14800000 | USD |
CY2010Q1 | us-gaap |
Depreciation Amortization And Accretion Net
DepreciationAmortizationAndAccretionNet
|
71900000 | USD |
CY2011Q1 | us-gaap |
Depreciation Amortization And Accretion Net
DepreciationAmortizationAndAccretionNet
|
84200000 | USD |
CY2010Q1 | us-gaap |
Depreciation And Amortization
DepreciationAndAmortization
|
74400000 | USD |
CY2011Q1 | us-gaap |
Depreciation And Amortization
DepreciationAndAmortization
|
81300000 | USD |
CY2011Q1 | us-gaap |
Derivative Assets Noncurrent
DerivativeAssetsNoncurrent
|
800000 | USD |
CY2010Q1 | us-gaap |
Derivative Instruments Gain Loss Recognized In Income Net
DerivativeInstrumentsGainLossRecognizedInIncomeNet
|
-2300000 | USD |
CY2011Q1 | us-gaap |
Derivative Instruments Gain Loss Recognized In Income Net
DerivativeInstrumentsGainLossRecognizedInIncomeNet
|
-6400000 | USD |
CY2010Q1 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
0.55 | |
CY2011Q1 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
0.73 | |
CY2011Q1 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
0.72 | |
CY2010Q1 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
0.55 | |
CY2011Q1 | us-gaap |
Employee Service Share Based Compensation Tax Benefit From Compensation Expense
EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense
|
800000 | USD |
CY2010Q1 | us-gaap |
Employee Service Share Based Compensation Tax Benefit From Compensation Expense
EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense
|
2000000 | USD |
CY2011Q1 | us-gaap |
Energy Related Inventory
EnergyRelatedInventory
|
284400000 | USD |
CY2010Q4 | us-gaap |
Energy Related Inventory
EnergyRelatedInventory
|
379100000 | USD |
CY2010Q4 | us-gaap |
Fair Value Assets Measured On Recurring Basis Derivative Financial Instruments Assets
FairValueAssetsMeasuredOnRecurringBasisDerivativeFinancialInstrumentsAssets
|
15700000 | USD |
CY2010Q4 | us-gaap |
Fair Value Liabilities Measured On Recurring Basis Derivative Financial Instruments Liabilities
FairValueLiabilitiesMeasuredOnRecurringBasisDerivativeFinancialInstrumentsLiabilities
|
11600000 | USD |
CY2011Q1 | us-gaap |
Goodwill
Goodwill
|
441900000 | USD |
CY2010Q4 | us-gaap |
Goodwill
Goodwill
|
441900000 | USD |
CY2011Q1 | us-gaap |
Guarantee Obligations Current Carrying Value
GuaranteeObligationsCurrentCarryingValue
|
0 | USD |
CY2011Q1 | us-gaap |
Guarantee Obligations Maximum Exposure
GuaranteeObligationsMaximumExposure
|
2800000 | USD |
CY2010Q1 | us-gaap |
Income Loss From Continuing Operations
IncomeLossFromContinuingOperations
|
129000000 | USD |
CY2011Q1 | us-gaap |
Income Loss From Continuing Operations
IncomeLossFromContinuingOperations
|
170900000 | USD |
CY2010Q1 | us-gaap |
Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments
IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
|
200400000 | USD |
CY2011Q1 | us-gaap |
Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments
IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
|
260200000 | USD |
CY2011Q1 | us-gaap |
Income Loss From Continuing Operations Per Basic Share
IncomeLossFromContinuingOperationsPerBasicShare
|
0.73 | |
CY2010Q1 | us-gaap |
Income Loss From Continuing Operations Per Basic Share
IncomeLossFromContinuingOperationsPerBasicShare
|
0.55 | |
CY2011Q1 | us-gaap |
Income Loss From Continuing Operations Per Diluted Share
IncomeLossFromContinuingOperationsPerDilutedShare
|
0.72 | |
CY2010Q1 | us-gaap |
Income Loss From Continuing Operations Per Diluted Share
IncomeLossFromContinuingOperationsPerDilutedShare
|
0.55 | |
CY2011Q1 | us-gaap |
Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity
IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity
|
0 | USD |
CY2010Q1 | us-gaap |
Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity
IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity
|
700000 | USD |
CY2010Q1 | us-gaap |
Income Loss From Discontinued Operations Net Of Tax Per Basic Share
IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare
|
0 | |
CY2011Q1 | us-gaap |
Income Loss From Discontinued Operations Net Of Tax Per Basic Share
IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare
|
0 | |
CY2010Q1 | us-gaap |
Income Loss From Discontinued Operations Net Of Tax Per Diluted Share
IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare
|
0 | |
CY2011Q1 | us-gaap |
Income Loss From Discontinued Operations Net Of Tax Per Diluted Share
IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare
|
0 | |
CY2010Q1 | us-gaap |
Income Loss From Equity Method Investments Net Of Dividends Or Distributions
IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions
|
15200000 | USD |
CY2011Q1 | us-gaap |
Income Loss From Equity Method Investments Net Of Dividends Or Distributions
IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions
|
15500000 | USD |
CY2011Q1 | us-gaap |
Income Tax Expense Benefit
IncomeTaxExpenseBenefit
|
89300000 | USD |
CY2010Q1 | us-gaap |
Income Tax Expense Benefit
IncomeTaxExpenseBenefit
|
71400000 | USD |
CY2010Q1 | us-gaap |
Income Taxes Paid Net
IncomeTaxesPaidNet
|
14300000 | USD |
CY2011Q1 | us-gaap |
Income Taxes Paid Net
IncomeTaxesPaidNet
|
-24800000 | USD |
CY2010Q1 | us-gaap |
Increase Decrease In Accounts Payable
IncreaseDecreaseInAccountsPayable
|
-36100000 | USD |
CY2011Q1 | us-gaap |
Increase Decrease In Accounts Payable
IncreaseDecreaseInAccountsPayable
|
-48400000 | USD |
CY2011Q1 | us-gaap |
Increase Decrease In Accounts Receivable
IncreaseDecreaseInAccountsReceivable
|
40900000 | USD |
CY2010Q1 | us-gaap |
Increase Decrease In Accounts Receivable
IncreaseDecreaseInAccountsReceivable
|
33700000 | USD |
CY2010Q1 | us-gaap |
Increase Decrease In Accrued Income Taxes Payable
IncreaseDecreaseInAccruedIncomeTaxesPayable
|
48000000 | USD |
CY2011Q1 | us-gaap |
Increase Decrease In Accrued Income Taxes Payable
IncreaseDecreaseInAccruedIncomeTaxesPayable
|
39700000 | USD |
CY2010Q1 | us-gaap |
Increase Decrease In Inventories
IncreaseDecreaseInInventories
|
-42300000 | USD |
CY2011Q1 | us-gaap |
Increase Decrease In Inventories
IncreaseDecreaseInInventories
|
-94700000 | USD |
CY2011Q1 | us-gaap |
Increase Decrease In Other Deferred Liability
IncreaseDecreaseInOtherDeferredLiability
|
6400000 | USD |
CY2010Q1 | us-gaap |
Increase Decrease In Other Deferred Liability
IncreaseDecreaseInOtherDeferredLiability
|
6500000 | USD |
CY2010Q1 | us-gaap |
Increase Decrease In Other Operating Assets
IncreaseDecreaseInOtherOperatingAssets
|
-12200000 | USD |
CY2011Q1 | us-gaap |
Increase Decrease In Other Operating Assets
IncreaseDecreaseInOtherOperatingAssets
|
-33000000 | USD |
CY2011Q1 | us-gaap |
Increase Decrease In Other Operating Capital Net
IncreaseDecreaseInOtherOperatingCapitalNet
|
-40600000 | USD |
CY2010Q1 | us-gaap |
Increase Decrease In Other Operating Capital Net
IncreaseDecreaseInOtherOperatingCapitalNet
|
-24600000 | USD |
CY2011Q1 | us-gaap |
Increase Decrease In Other Operating Liabilities
IncreaseDecreaseInOtherOperatingLiabilities
|
61600000 | USD |
CY2010Q1 | us-gaap |
Increase Decrease In Other Operating Liabilities
IncreaseDecreaseInOtherOperatingLiabilities
|
53100000 | USD |
CY2010Q1 | us-gaap |
Increase Decrease In Restricted Cash
IncreaseDecreaseInRestrictedCash
|
-43500000 | USD |
CY2011Q1 | us-gaap |
Increase Decrease In Restricted Cash
IncreaseDecreaseInRestrictedCash
|
37200000 | USD |
CY2010Q1 | us-gaap |
Interest Costs Capitalized
InterestCostsCapitalized
|
13700000 | USD |
CY2011Q1 | us-gaap |
Interest Expense
InterestExpense
|
63400000 | USD |
CY2010Q1 | us-gaap |
Interest Expense
InterestExpense
|
49400000 | USD |
CY2010Q1 | us-gaap |
Interest Paid
InterestPaid
|
12200000 | USD |
CY2011Q1 | us-gaap |
Interest Paid Net
InterestPaidNet
|
12500000 | USD |
CY2010Q4 | us-gaap |
Investments In Affiliates Subsidiaries Associates And Joint Ventures
InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures
|
330500000 | USD |
CY2011Q1 | us-gaap |
Investments In Affiliates Subsidiaries Associates And Joint Ventures
InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures
|
336100000 | USD |
CY2010Q4 | us-gaap |
Liabilities And Stockholders Equity
LiabilitiesAndStockholdersEquity
|
13059800000 | USD |
CY2011Q1 | us-gaap |
Liabilities And Stockholders Equity
LiabilitiesAndStockholdersEquity
|
13188600000 | USD |
CY2011Q1 | us-gaap |
Liabilities Current
LiabilitiesCurrent
|
1340300000 | USD |
CY2010Q4 | us-gaap |
Liabilities Current
LiabilitiesCurrent
|
1721100000 | USD |
CY2011Q1 | us-gaap |
Long Term Contract For Purchase Of Electric Power Amount Of Long Term Debt Or Lease Obligation Outstanding
LongTermContractForPurchaseOfElectricPowerAmountOfLongTermDebtOrLeaseObligationOutstanding
|
351900000 | USD |
CY2010Q1 | us-gaap |
Long Term Contract For Purchase Of Electric Power Annual Minimum Debt Service Payment Required
LongTermContractForPurchaseOfElectricPowerAnnualMinimumDebtServicePaymentRequired
|
14700000 | USD |
CY2011Q1 | us-gaap |
Long Term Contract For Purchase Of Electric Power Annual Minimum Debt Service Payment Required
LongTermContractForPurchaseOfElectricPowerAnnualMinimumDebtServicePaymentRequired
|
15000000 | USD |
CY2011Q1 | us-gaap |
Long Term Debt Current
LongTermDebtCurrent
|
479800000 | USD |
CY2010Q4 | us-gaap |
Long Term Debt Current
LongTermDebtCurrent
|
473400000 | USD |
CY2011Q1 | us-gaap |
Long Term Debt Noncurrent
LongTermDebtNoncurrent
|
4339100000 | USD |
CY2010Q4 | us-gaap |
Long Term Debt Noncurrent
LongTermDebtNoncurrent
|
3932000000 | USD |
CY2010Q4 | us-gaap |
Long Term Investments
LongTermInvestments
|
376300000 | USD |
CY2011Q1 | us-gaap |
Long Term Investments
LongTermInvestments
|
374800000 | USD |
CY2010Q1 | us-gaap |
Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
|
-140700000 | USD |
CY2011Q1 | us-gaap |
Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
|
-35100000 | USD |
CY2010Q1 | us-gaap |
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
|
-171100000 | USD |
CY2011Q1 | us-gaap |
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
|
-144400000 | USD |
CY2011Q1 | us-gaap |
Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
|
391000000 | USD |
CY2010Q1 | us-gaap |
Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
|
303700000 | USD |
CY2011Q1 | us-gaap |
Net Income Loss
NetIncomeLoss
|
170900000 | USD |
CY2010Q1 | us-gaap |
Net Income Loss
NetIncomeLoss
|
129700000 | USD |
CY2011Q1 | us-gaap |
Noncash Or Part Noncash Acquisition Payables Assumed
NoncashOrPartNoncashAcquisitionPayablesAssumed
|
20600000 | USD |
CY2010Q1 | us-gaap |
Noncash Or Part Noncash Acquisition Payables Assumed
NoncashOrPartNoncashAcquisitionPayablesAssumed
|
37700000 | USD |
CY2010Q1 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
228400000 | USD |
CY2011Q1 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
295600000 | USD |
CY2010Q1 | us-gaap |
Other Amortization Of Deferred Charges
OtherAmortizationOfDeferredCharges
|
-49400000 | USD |
CY2011Q1 | us-gaap |
Other Amortization Of Deferred Charges
OtherAmortizationOfDeferredCharges
|
0 | USD |
CY2010Q4 | us-gaap |
Other Assets Noncurrent
OtherAssetsNoncurrent
|
218900000 | USD |
CY2011Q1 | us-gaap |
Other Assets Noncurrent
OtherAssetsNoncurrent
|
215400000 | USD |
CY2010Q4 | us-gaap |
Other Liabilities Current
OtherLiabilitiesCurrent
|
259100000 | USD |
CY2011Q1 | us-gaap |
Other Liabilities Current
OtherLiabilitiesCurrent
|
294600000 | USD |
CY2011Q1 | us-gaap |
Other Liabilities Noncurrent
OtherLiabilitiesNoncurrent
|
359300000 | USD |
CY2010Q4 | us-gaap |
Other Liabilities Noncurrent
OtherLiabilitiesNoncurrent
|
376900000 | USD |
CY2011Q1 | us-gaap |
Other Long Term Investments
OtherLongTermInvestments
|
38700000 | USD |
CY2010Q4 | us-gaap |
Other Long Term Investments
OtherLongTermInvestments
|
45800000 | USD |
CY2011Q1 | us-gaap |
Other Nonoperating Income Expense
OtherNonoperatingIncomeExpense
|
12500000 | USD |
CY2010Q1 | us-gaap |
Other Nonoperating Income Expense
OtherNonoperatingIncomeExpense
|
6200000 | USD |
CY2010Q1 | us-gaap |
Payments For Proceeds From Other Investing Activities
PaymentsForProceedsFromOtherInvestingActivities
|
16300000 | USD |
CY2011Q1 | us-gaap |
Payments For Proceeds From Other Investing Activities
PaymentsForProceedsFromOtherInvestingActivities
|
7400000 | USD |
CY2011Q1 | us-gaap |
Payments For Repurchase Of Common Stock
PaymentsForRepurchaseOfCommonStock
|
24900000 | USD |
CY2010Q1 | us-gaap |
Payments For Repurchase Of Common Stock
PaymentsForRepurchaseOfCommonStock
|
31800000 | USD |
CY2010Q1 | us-gaap |
Payments Of Dividends Common Stock
PaymentsOfDividendsCommonStock
|
46800000 | USD |
CY2011Q1 | us-gaap |
Payments Of Dividends Common Stock
PaymentsOfDividendsCommonStock
|
60800000 | USD |
CY2011Q1 | us-gaap |
Payments To Acquire Interest In Subsidiaries And Affiliates
PaymentsToAcquireInterestInSubsidiariesAndAffiliates
|
2600000 | USD |
CY2010Q1 | us-gaap |
Payments To Acquire Interest In Subsidiaries And Affiliates
PaymentsToAcquireInterestInSubsidiariesAndAffiliates
|
3900000 | USD |
CY2010Q1 | us-gaap |
Payments To Acquire Productive Assets
PaymentsToAcquireProductiveAssets
|
194600000 | USD |
CY2011Q1 | us-gaap |
Payments To Acquire Productive Assets
PaymentsToAcquireProductiveAssets
|
135500000 | USD |
CY2011Q1 | us-gaap |
Pension And Other Postretirement Benefit Contributions
PensionAndOtherPostretirementBenefitContributions
|
122400000 | USD |
CY2010Q1 | us-gaap |
Pension And Other Postretirement Benefit Contributions
PensionAndOtherPostretirementBenefitContributions
|
0 | USD |
CY2010Q4 | us-gaap |
Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent
PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent
|
353200000 | USD |
CY2011Q1 | us-gaap |
Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent
PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent
|
227400000 | USD |
CY2010Q4 | us-gaap |
Preferred Stock Value
PreferredStockValue
|
30400000 | USD |
CY2011Q1 | us-gaap |
Preferred Stock Value
PreferredStockValue
|
30400000 | USD |
CY2011Q1 | us-gaap |
Prepaid Expense Current
PrepaidExpenseCurrent
|
190100000 | USD |
CY2010Q4 | us-gaap |
Prepaid Expense Current
PrepaidExpenseCurrent
|
239900000 | USD |
CY2011Q1 | us-gaap |
Proceeds From Issuance Of Long Term Debt
ProceedsFromIssuanceOfLongTermDebt
|
420000000 | USD |
CY2010Q1 | us-gaap |
Proceeds From Issuance Of Long Term Debt
ProceedsFromIssuanceOfLongTermDebt
|
530000000 | USD |
CY2011Q1 | us-gaap |
Proceeds From Payments For Other Financing Activities
ProceedsFromPaymentsForOtherFinancingActivities
|
-1000000 | USD |
CY2010Q1 | us-gaap |
Proceeds From Payments For Other Financing Activities
ProceedsFromPaymentsForOtherFinancingActivities
|
-3200000 | USD |
CY2010Q1 | us-gaap |
Proceeds From Repayments Of Short Term Debt
ProceedsFromRepaymentsOfShortTermDebt
|
-347100000 | USD |
CY2011Q1 | us-gaap |
Proceeds From Repayments Of Short Term Debt
ProceedsFromRepaymentsOfShortTermDebt
|
-376400000 | USD |
CY2011Q1 | us-gaap |
Proceeds From Sale Of Productive Assets
ProceedsFromSaleOfProductiveAssets
|
38300000 | USD |
CY2010Q1 | us-gaap |
Proceeds From Sale Of Productive Assets
ProceedsFromSaleOfProductiveAssets
|
200000 | USD |
CY2011Q1 | us-gaap |
Proceeds From Stock Options Exercised
ProceedsFromStockOptionsExercised
|
13000000 | USD |
CY2010Q1 | us-gaap |
Proceeds From Stock Options Exercised
ProceedsFromStockOptionsExercised
|
19900000 | USD |
CY2010Q4 | us-gaap |
Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
|
9601500000 | USD |
CY2011Q1 | us-gaap |
Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
|
9639000000 | USD |
CY2011Q1 | us-gaap |
Property Plant And Equipment Other
PropertyPlantAndEquipmentOther
|
12343000000 | USD |
CY2010Q4 | us-gaap |
Property Plant And Equipment Other
PropertyPlantAndEquipmentOther
|
11590800000 | USD |
CY2011Q1 | us-gaap |
Public Utilities Property Plant And Equipment Plant In Service
PublicUtilitiesPropertyPlantAndEquipmentPlantInService
|
8703900000 | USD |
CY2010Q4 | us-gaap |
Public Utilities Property Plant And Equipment Plant In Service
PublicUtilitiesPropertyPlantAndEquipmentPlantInService
|
7966800000 | USD |
CY2011Q1 | us-gaap |
Recognition Of Deferred Revenue
RecognitionOfDeferredRevenue
|
-2800000 | USD |
CY2010Q1 | us-gaap |
Recognition Of Deferred Revenue
RecognitionOfDeferredRevenue
|
-32200000 | USD |
CY2011Q1 | us-gaap |
Regulatory Assets
RegulatoryAssets
|
9200000 | USD |
CY2010Q4 | us-gaap |
Regulatory Assets
RegulatoryAssets
|
22000000 | USD |
CY2011Q1 | us-gaap |
Regulatory Assets Current
RegulatoryAssetsCurrent
|
53700000 | USD |
CY2010Q4 | us-gaap |
Regulatory Assets Current
RegulatoryAssetsCurrent
|
54400000 | USD |
CY2011Q1 | us-gaap |
Regulatory Assets Noncurrent
RegulatoryAssetsNoncurrent
|
1057700000 | USD |
CY2010Q4 | us-gaap |
Regulatory Assets Noncurrent
RegulatoryAssetsNoncurrent
|
1090100000 | USD |
CY2011Q1 | us-gaap |
Regulatory Liabilities
RegulatoryLiabilities
|
20500000 | USD |
CY2010Q4 | us-gaap |
Regulatory Liabilities
RegulatoryLiabilities
|
15300000 | USD |
CY2011Q1 | us-gaap |
Regulatory Liability Current
RegulatoryLiabilityCurrent
|
15300000 | USD |
CY2010Q4 | us-gaap |
Regulatory Liability Current
RegulatoryLiabilityCurrent
|
15300000 | USD |
CY2010Q4 | us-gaap |
Regulatory Liability Noncurrent
RegulatoryLiabilityNoncurrent
|
883800000 | USD |
CY2011Q1 | us-gaap |
Regulatory Liability Noncurrent
RegulatoryLiabilityNoncurrent
|
924500000 | USD |
CY2011Q1 | us-gaap |
Repayments Of Long Term Debt
RepaymentsOfLongTermDebt
|
5000000 | USD |
CY2010Q1 | us-gaap |
Repayments Of Long Term Debt
RepaymentsOfLongTermDebt
|
261700000 | USD |
CY2011Q1 | us-gaap |
Restricted Cash And Cash Equivalents At Carrying Value
RestrictedCashAndCashEquivalentsAtCarryingValue
|
45500000 | USD |
CY2010Q4 | us-gaap |
Restricted Cash And Cash Equivalents At Carrying Value
RestrictedCashAndCashEquivalentsAtCarryingValue
|
8300000 | USD |
CY2011Q1 | us-gaap |
Sale Of Stock Percentage Of Ownership Before Transaction
SaleOfStockPercentageOfOwnershipBeforeTransaction
|
0.25 | |
CY2010Q1 | us-gaap |
Sales Revenue Energy Services
SalesRevenueEnergyServices
|
1248600000 | USD |
CY2011Q1 | us-gaap |
Sales Revenue Energy Services
SalesRevenueEnergyServices
|
1328700000 | USD |
CY2011Q1 | us-gaap |
Segment Reporting Information Profit Loss
SegmentReportingInformationProfitLoss
|
170900000 | USD |
CY2010Q1 | us-gaap |
Segment Reporting Information Depreciation Depletion And Amortization Expense
SegmentReportingInformationDepreciationDepletionAndAmortizationExpense
|
74400000 | USD |
CY2011Q1 | us-gaap |
Segment Reporting Information Depreciation Depletion And Amortization Expense
SegmentReportingInformationDepreciationDepletionAndAmortizationExpense
|
81300000 | USD |
CY2011Q1 | us-gaap |
Segment Reporting Information Equity In Net Income Of Equity Method Investees Of Segment
SegmentReportingInformationEquityInNetIncomeOfEquityMethodInvesteesOfSegment
|
15400000 | USD |
CY2010Q1 | us-gaap |
Segment Reporting Information Equity In Net Income Of Equity Method Investees Of Segment
SegmentReportingInformationEquityInNetIncomeOfEquityMethodInvesteesOfSegment
|
15100000 | USD |
CY2010Q1 | us-gaap |
Segment Reporting Information Expenditures For Additions To Long Lived Assets
SegmentReportingInformationExpendituresForAdditionsToLongLivedAssets
|
194600000 | USD |
CY2011Q1 | us-gaap |
Segment Reporting Information Expenditures For Additions To Long Lived Assets
SegmentReportingInformationExpendituresForAdditionsToLongLivedAssets
|
135500000 | USD |
CY2011Q1 | us-gaap |
Segment Reporting Information Income Tax Expense Benefit
SegmentReportingInformationIncomeTaxExpenseBenefit
|
89300000 | USD |
CY2010Q1 | us-gaap |
Segment Reporting Information Income Tax Expense Benefit
SegmentReportingInformationIncomeTaxExpenseBenefit
|
71400000 | USD |
CY2010Q1 | us-gaap |
Segment Reporting Information Interest Expense
SegmentReportingInformationInterestExpense
|
49400000 | USD |
CY2011Q1 | us-gaap |
Segment Reporting Information Interest Expense
SegmentReportingInformationInterestExpense
|
63400000 | USD |
CY2011Q1 | us-gaap |
Segment Reporting Information Operating Income Loss
SegmentReportingInformationOperatingIncomeLoss
|
295600000 | USD |
CY2010Q1 | us-gaap |
Segment Reporting Information Operating Income Loss
SegmentReportingInformationOperatingIncomeLoss
|
228400000 | USD |
CY2010Q1 | us-gaap |
Segment Reporting Information Profit Loss
SegmentReportingInformationProfitLoss
|
129700000 | USD |
CY2011Q1 | us-gaap |
Segment Reporting Reconciling Items Assets
SegmentReportingReconcilingItemsAssets
|
2437800000 | USD |
CY2010Q1 | us-gaap |
Segment Reporting Reconciling Items Assets
SegmentReportingReconcilingItemsAssets
|
1837700000 | USD |
CY2010Q1 | us-gaap |
Segment Reporting Reconciling Items Revenue
SegmentReportingReconcilingItemsRevenue
|
60000000 | USD |
CY2011Q1 | us-gaap |
Segment Reporting Reconciling Items Revenue
SegmentReportingReconcilingItemsRevenue
|
91200000 | USD |
CY2011Q1 | us-gaap |
Segment Reporting Segment Revenue
SegmentReportingSegmentRevenue
|
1328700000 | USD |
CY2010Q1 | us-gaap |
Segment Reporting Segment Revenue
SegmentReportingSegmentRevenue
|
1248600000 | USD |
CY2011Q1 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Period
ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod
|
3 years | |
CY2011Q1 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate
|
0.039 | |
CY2010Q1 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate
|
0.037 | |
CY2011Q1 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Term
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedTerm
|
5.5 | |
CY2010Q1 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Term
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedTerm
|
5.9 | |
CY2011Q1 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate
|
0.190 | |
CY2010Q1 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate
|
0.203 | |
CY2011Q1 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber
|
9555446 | shares |
CY2011Q1 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice
|
20.76 | |
CY2011Q1 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
|
9100000 | USD |
CY2010Q1 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
|
11500000 | USD |
CY2011Q1 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
|
12766126 | shares |
CY2011Q1 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
|
21.29 | |
CY2011Q1 | us-gaap |
Stockholders Equity Note Stock Split
StockholdersEquityNoteStockSplit
|
two-for-one stock split of our common stock | |
CY2011Q1 | us-gaap |
Tax Benefit From Stock Options Exercised
TaxBenefitFromStockOptionsExercised
|
3600000 | USD |
CY2010Q1 | us-gaap |
Tax Benefit From Stock Options Exercised
TaxBenefitFromStockOptionsExercised
|
4300000 | USD |
CY2011Q1 | us-gaap |
Utilities Operating Expense
UtilitiesOperatingExpense
|
1033100000 | USD |
CY2010Q1 | us-gaap |
Utilities Operating Expense
UtilitiesOperatingExpense
|
1069600000 | USD |
CY2010Q1 | us-gaap |
Utilities Operating Expense Maintenance And Operations
UtilitiesOperatingExpenseMaintenanceAndOperations
|
335400000 | USD |
CY2011Q1 | us-gaap |
Utilities Operating Expense Maintenance And Operations
UtilitiesOperatingExpenseMaintenanceAndOperations
|
313500000 | USD |
CY2010Q1 | us-gaap |
Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
|
236700000 | shares |
CY2011Q1 | us-gaap |
Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
|
236600000 | shares |
CY2010Q1 | us-gaap |
Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
|
233800000 | shares |
CY2011Q1 | us-gaap |
Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
|
233700000 | shares |