2013 Q3 Form 10-Q Financial Statement
#000035254113000026 Filed on November 07, 2013
Income Statement
Concept | 2013 Q3 | 2012 Q3 |
---|---|---|
Revenue | $866.6M | $887.6M |
YoY Change | -2.37% | 1.92% |
Cost Of Revenue | $72.90M | $101.7M |
YoY Change | -28.32% | 1.7% |
Gross Profit | $793.7M | $785.9M |
YoY Change | 0.99% | 1.95% |
Gross Profit Margin | 91.59% | 88.54% |
Selling, General & Admin | ||
YoY Change | ||
% of Gross Profit | ||
Research & Development | ||
YoY Change | ||
% of Gross Profit | ||
Depreciation & Amortization | $92.10M | $83.60M |
YoY Change | 10.17% | 2.83% |
% of Gross Profit | 11.6% | 10.64% |
Operating Expenses | $592.3M | $572.2M |
YoY Change | 3.51% | 1.91% |
Operating Profit | $201.4M | $213.7M |
YoY Change | -5.76% | 2.05% |
Interest Expense | $42.50M | $38.30M |
YoY Change | 10.97% | -1.29% |
% of Operating Profit | 21.1% | 17.92% |
Other Income/Expense, Net | -$22.30M | -$21.40M |
YoY Change | 4.21% | -15.42% |
Pretax Income | $179.1M | $192.3M |
YoY Change | -6.86% | 4.45% |
Income Tax | $17.60M | $39.30M |
% Of Pretax Income | 9.83% | 20.44% |
Net Earnings | $160.2M | $154.7M |
YoY Change | 3.56% | 22.88% |
Net Earnings / Revenue | 18.49% | 17.43% |
Basic Earnings Per Share | ||
Diluted Earnings Per Share | $1.42 | $1.36 |
COMMON SHARES | ||
Basic Shares Outstanding | 110.8M shares | 110.8M shares |
Diluted Shares Outstanding | 110.8M shares | 110.8M shares |
Balance Sheet
Concept | 2013 Q3 | 2012 Q3 |
---|---|---|
SHORT-TERM ASSETS | ||
Cash & Short-Term Investments | $18.00M | $41.00M |
YoY Change | -56.1% | -10.87% |
Cash & Equivalents | $17.70M | $41.10M |
Short-Term Investments | ||
Other Short-Term Assets | $119.0M | $41.70M |
YoY Change | 185.37% | -86.24% |
Inventory | $221.0M | $209.0M |
Prepaid Expenses | ||
Receivables | $78.10M | $93.90M |
Other Receivables | $0.00 | $44.00M |
Total Short-Term Assets | $880.1M | $1.029B |
YoY Change | -14.44% | 8.62% |
LONG-TERM ASSETS | ||
Property, Plant & Equipment | $8.141B | $7.385B |
YoY Change | 10.25% | 6.44% |
Goodwill | ||
YoY Change | ||
Intangibles | ||
YoY Change | ||
Long-Term Investments | $325.0M | $314.0M |
YoY Change | 3.5% | 5.02% |
Other Assets | $99.10M | $98.10M |
YoY Change | 1.02% | -92.42% |
Total Long-Term Assets | $10.10B | $9.222B |
YoY Change | 9.53% | 8.07% |
TOTAL ASSETS | ||
Total Short-Term Assets | $880.1M | $1.029B |
Total Long-Term Assets | $10.10B | $9.222B |
Total Assets | $10.98B | $10.25B |
YoY Change | 7.12% | 8.12% |
SHORT-TERM LIABILITIES | ||
YoY Change | ||
Accounts Payable | $368.7M | $418.0M |
YoY Change | -11.79% | 32.7% |
Accrued Expenses | $47.00M | |
YoY Change | 0.0% | |
Deferred Revenue | ||
YoY Change | ||
Short-Term Debt | $237.0M | $70.00M |
YoY Change | 238.57% | 218.18% |
Long-Term Debt Due | $48.40M | $1.400M |
YoY Change | 3357.14% | 40.0% |
Total Short-Term Liabilities | $1.053B | $945.5M |
YoY Change | 11.35% | 22.16% |
LONG-TERM LIABILITIES | ||
Long-Term Debt | $3.105B | $2.828B |
YoY Change | 9.78% | 4.59% |
Other Long-Term Liabilities | $271.9M | $269.1M |
YoY Change | 1.04% | -78.19% |
Total Long-Term Liabilities | $3.377B | $3.097B |
YoY Change | 9.02% | -21.35% |
TOTAL LIABILITIES | ||
Total Short-Term Liabilities | $1.053B | $945.5M |
Total Long-Term Liabilities | $3.377B | $3.097B |
Total Liabilities | $4.430B | $4.043B |
YoY Change | 9.57% | -35.57% |
SHAREHOLDERS EQUITY | ||
Retained Earnings | $1.767B | $1.612B |
YoY Change | 9.63% | |
Common Stock | $1.508B | $1.513B |
YoY Change | -0.34% | |
Preferred Stock | ||
YoY Change | ||
Treasury Stock (at cost) | ||
YoY Change | ||
Treasury Stock Shares | ||
Shareholders Equity | $3.267B | $3.116B |
YoY Change | ||
Total Liabilities & Shareholders Equity | $10.98B | $10.25B |
YoY Change | 7.12% | 8.12% |
Cashflow Statement
Concept | 2013 Q3 | 2012 Q3 |
---|---|---|
OPERATING ACTIVITIES | ||
Net Income | $160.2M | $154.7M |
YoY Change | 3.56% | 22.88% |
Depreciation, Depletion And Amortization | $92.10M | $83.60M |
YoY Change | 10.17% | 2.83% |
Cash From Operating Activities | $219.8M | $261.1M |
YoY Change | -15.82% | 78.96% |
INVESTING ACTIVITIES | ||
Capital Expenditures | -$182.9M | -$165.4M |
YoY Change | 10.58% | 16.4% |
Acquisitions | ||
YoY Change | ||
Other Investing Activities | -$8.100M | -$30.50M |
YoY Change | -73.44% | 31.47% |
Cash From Investing Activities | -$191.0M | -$195.9M |
YoY Change | -2.5% | 18.51% |
FINANCING ACTIVITIES | ||
Cash Dividend Paid | ||
YoY Change | ||
Common Stock Issuance & Retirement, Net | ||
YoY Change | ||
Debt Paid & Issued, Net | ||
YoY Change | ||
Cash From Financing Activities | -22.60M | -54.90M |
YoY Change | -58.83% | 357.5% |
NET CHANGE | ||
Cash From Operating Activities | 219.8M | 261.1M |
Cash From Investing Activities | -191.0M | -195.9M |
Cash From Financing Activities | -22.60M | -54.90M |
Net Change In Cash | 6.200M | 10.30M |
YoY Change | -39.81% | -132.8% |
FREE CASH FLOW | ||
Cash From Operating Activities | $219.8M | $261.1M |
Capital Expenditures | -$182.9M | -$165.4M |
Free Cash Flow | $402.7M | $426.5M |
YoY Change | -5.58% | 48.09% |
Facts In Submission
Frame | Concept Type | Concept / XBRL Key | Value | Unit |
---|---|---|---|---|
us-gaap |
Asset Retirement Obligation Revision Of Estimate
AssetRetirementObligationRevisionOfEstimate
|
3400000 | USD | |
CY2013Q3 | us-gaap |
Accounts Payable Current
AccountsPayableCurrent
|
368700000 | USD |
CY2012Q4 | us-gaap |
Accounts Payable Current
AccountsPayableCurrent
|
339300000 | USD |
CY2013Q3 | us-gaap |
Accounts Receivable Net Current
AccountsReceivableNetCurrent
|
78100000 | USD |
CY2012Q4 | us-gaap |
Accounts Receivable Net Current
AccountsReceivableNetCurrent
|
94900000 | USD |
CY2012Q4 | us-gaap |
Accumulated Other Comprehensive Income Loss Net Of Tax
AccumulatedOtherComprehensiveIncomeLossNetOfTax
|
-800000 | USD |
CY2013Q3 | us-gaap |
Accumulated Other Comprehensive Income Loss Net Of Tax
AccumulatedOtherComprehensiveIncomeLossNetOfTax
|
-800000 | USD |
CY2013Q3 | us-gaap |
Additional Collateral Aggregate Fair Value
AdditionalCollateralAggregateFairValue
|
27100000 | USD |
CY2012Q4 | us-gaap |
Additional Paid In Capital Common Stock
AdditionalPaidInCapitalCommonStock
|
1511200000 | USD |
CY2013Q3 | us-gaap |
Additional Paid In Capital Common Stock
AdditionalPaidInCapitalCommonStock
|
1506900000 | USD |
us-gaap |
Allocated Share Based Compensation Expense
AllocatedShareBasedCompensationExpense
|
3800000 | USD | |
us-gaap |
Allocated Share Based Compensation Expense
AllocatedShareBasedCompensationExpense
|
8600000 | USD | |
CY2012Q3 | us-gaap |
Allocated Share Based Compensation Expense
AllocatedShareBasedCompensationExpense
|
100000 | USD |
CY2013Q3 | us-gaap |
Allocated Share Based Compensation Expense
AllocatedShareBasedCompensationExpense
|
4000000 | USD |
CY2012Q4 | us-gaap |
Asset Retirement Obligation
AssetRetirementObligation
|
101500000 | USD |
CY2012Q3 | us-gaap |
Asset Retirement Obligation
AssetRetirementObligation
|
97200000 | USD |
CY2011Q4 | us-gaap |
Asset Retirement Obligation
AssetRetirementObligation
|
91100000 | USD |
CY2013Q3 | us-gaap |
Asset Retirement Obligation
AssetRetirementObligation
|
106800000 | USD |
us-gaap |
Asset Retirement Obligation Accretion Expense
AssetRetirementObligationAccretionExpense
|
2600000 | USD | |
us-gaap |
Asset Retirement Obligation Accretion Expense
AssetRetirementObligationAccretionExpense
|
2800000 | USD | |
us-gaap |
Asset Retirement Obligation Liabilities Incurred
AssetRetirementObligationLiabilitiesIncurred
|
0 | USD | |
us-gaap |
Asset Retirement Obligation Liabilities Incurred
AssetRetirementObligationLiabilitiesIncurred
|
16000000 | USD | |
us-gaap |
Asset Retirement Obligation Liabilities Settled
AssetRetirementObligationLiabilitiesSettled
|
2600000 | USD | |
us-gaap |
Asset Retirement Obligation Liabilities Settled
AssetRetirementObligationLiabilitiesSettled
|
900000 | USD | |
us-gaap |
Asset Retirement Obligation Revision Of Estimate
AssetRetirementObligationRevisionOfEstimate
|
-9900000 | USD | |
CY2013Q3 | us-gaap |
Assets
Assets
|
10981200000 | USD |
CY2012Q4 | us-gaap |
Assets
Assets
|
10785500000 | USD |
CY2012Q4 | us-gaap |
Assets Current
AssetsCurrent
|
994300000 | USD |
CY2013Q3 | us-gaap |
Assets Current
AssetsCurrent
|
880100000 | USD |
CY2012Q4 | us-gaap |
Assets Of Disposal Group Including Discontinued Operation
AssetsOfDisposalGroupIncludingDiscontinuedOperation
|
-3500000 | USD |
CY2012Q4 | us-gaap |
Assets Of Disposal Group Including Discontinued Operation Current
AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent
|
27900000 | USD |
us-gaap |
Employee Service Share Based Compensation Tax Benefit From Compensation Expense
EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense
|
1500000 | USD | |
us-gaap |
Capital Expenditures Incurred But Not Yet Paid
CapitalExpendituresIncurredButNotYetPaid
|
100500000 | USD | |
us-gaap |
Capital Expenditures Incurred But Not Yet Paid
CapitalExpendituresIncurredButNotYetPaid
|
123800000 | USD | |
CY2013Q3 | us-gaap |
Capitalization Longterm Debt And Equity
CapitalizationLongtermDebtAndEquity
|
6573300000 | USD |
CY2012Q4 | us-gaap |
Capitalization Longterm Debt And Equity
CapitalizationLongtermDebtAndEquity
|
6478400000 | USD |
CY2013Q3 | us-gaap |
Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
|
17700000 | USD |
CY2012Q4 | us-gaap |
Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
|
21200000 | USD |
CY2011Q4 | us-gaap |
Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
|
11400000 | USD |
CY2012Q3 | us-gaap |
Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
|
41100000 | USD |
us-gaap |
Cash And Cash Equivalents Period Increase Decrease
CashAndCashEquivalentsPeriodIncreaseDecrease
|
-3500000 | USD | |
us-gaap |
Cash And Cash Equivalents Period Increase Decrease
CashAndCashEquivalentsPeriodIncreaseDecrease
|
29700000 | USD | |
CY2012Q4 | us-gaap |
Commercial Paper
CommercialPaper
|
217500000 | USD |
CY2013Q3 | us-gaap |
Commercial Paper
CommercialPaper
|
237300000 | USD |
CY2013Q3 | us-gaap |
Commitments And Contingencies
CommitmentsAndContingencies
|
USD | |
CY2012Q4 | us-gaap |
Commitments And Contingencies
CommitmentsAndContingencies
|
USD | |
us-gaap |
Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
|
1.35 | ||
CY2012Q3 | us-gaap |
Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
|
0.45 | |
CY2013Q3 | us-gaap |
Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
|
0.47 | |
us-gaap |
Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
|
1.41 | ||
CY2012Q4 | us-gaap |
Common Stock Held In Trust
CommonStockHeldInTrust
|
7300000 | USD |
CY2013Q3 | us-gaap |
Common Stock Held In Trust
CommonStockHeldInTrust
|
7800000 | USD |
CY2012Q4 | us-gaap |
Common Stock Par Or Stated Value Per Share
CommonStockParOrStatedValuePerShare
|
0.01 | |
CY2013Q3 | us-gaap |
Common Stock Par Or Stated Value Per Share
CommonStockParOrStatedValuePerShare
|
0.01 | |
CY2012Q4 | us-gaap |
Common Stock Shares Authorized
CommonStockSharesAuthorized
|
240000000 | shares |
CY2013Q3 | us-gaap |
Common Stock Shares Authorized
CommonStockSharesAuthorized
|
240000000 | shares |
CY2012Q4 | us-gaap |
Common Stock Shares Outstanding
CommonStockSharesOutstanding
|
110987400 | shares |
CY2013Q3 | us-gaap |
Common Stock Shares Outstanding
CommonStockSharesOutstanding
|
110943669 | shares |
CY2013Q3 | us-gaap |
Common Stock Value
CommonStockValue
|
1100000 | USD |
CY2012Q4 | us-gaap |
Common Stock Value
CommonStockValue
|
1100000 | USD |
CY2012Q3 | us-gaap |
Cost Of Transmission
CostOfTransmission
|
94900000 | USD |
us-gaap |
Cost Of Transmission
CostOfTransmission
|
313800000 | USD | |
CY2013Q3 | us-gaap |
Cost Of Transmission
CostOfTransmission
|
110500000 | USD |
us-gaap |
Cost Of Transmission
CostOfTransmission
|
255700000 | USD | |
CY2012Q3 | us-gaap |
Costs And Expenses
CostsAndExpenses
|
673900000 | USD |
CY2013Q3 | us-gaap |
Costs And Expenses
CostsAndExpenses
|
665200000 | USD |
us-gaap |
Costs And Expenses
CostsAndExpenses
|
1925500000 | USD | |
us-gaap |
Costs And Expenses
CostsAndExpenses
|
2018900000 | USD | |
CY2012Q4 | us-gaap |
Costs In Excess Of Billings On Uncompleted Contracts Or Programs Expected To Be Collected Within One Year
CostsInExcessOfBillingsOnUncompletedContractsOrProgramsExpectedToBeCollectedWithinOneYear
|
81400000 | USD |
CY2013Q3 | us-gaap |
Costs In Excess Of Billings On Uncompleted Contracts Or Programs Expected To Be Collected Within One Year
CostsInExcessOfBillingsOnUncompletedContractsOrProgramsExpectedToBeCollectedWithinOneYear
|
64700000 | USD |
CY2013Q3 | us-gaap |
Debt Instrument Fair Value
DebtInstrumentFairValue
|
3553600000 | USD |
CY2012Q4 | us-gaap |
Debt Instrument Fair Value
DebtInstrumentFairValue
|
3860500000 | USD |
us-gaap |
Deferred Income Taxes And Tax Credits
DeferredIncomeTaxesAndTaxCredits
|
92200000 | USD | |
us-gaap |
Deferred Income Taxes And Tax Credits
DeferredIncomeTaxesAndTaxCredits
|
85600000 | USD | |
CY2013Q3 | us-gaap |
Deferred Tax Assets Net Current
DeferredTaxAssetsNetCurrent
|
131200000 | USD |
CY2012Q4 | us-gaap |
Deferred Tax Assets Net Current
DeferredTaxAssetsNetCurrent
|
170200000 | USD |
CY2013Q3 | us-gaap |
Deferred Tax Assets Operating Loss Carryforwards
DeferredTaxAssetsOperatingLossCarryforwards
|
464000000 | USD |
CY2013Q3 | us-gaap |
Deferred Tax Liabilities Noncurrent
DeferredTaxLiabilitiesNoncurrent
|
2063900000 | USD |
CY2012Q4 | us-gaap |
Deferred Tax Liabilities Noncurrent
DeferredTaxLiabilitiesNoncurrent
|
1934200000 | USD |
us-gaap |
Defined Contribution Plan Cost Recognized
DefinedContributionPlanCostRecognized
|
14100000 | USD | |
CY2012Q3 | us-gaap |
Defined Contribution Plan Cost Recognized
DefinedContributionPlanCostRecognized
|
4400000 | USD |
us-gaap |
Defined Contribution Plan Cost Recognized
DefinedContributionPlanCostRecognized
|
14700000 | USD | |
CY2013Q3 | us-gaap |
Defined Contribution Plan Cost Recognized
DefinedContributionPlanCostRecognized
|
4700000 | USD |
us-gaap |
Depreciation And Amortization
DepreciationAndAmortization
|
247400000 | USD | |
CY2013Q3 | us-gaap |
Depreciation And Amortization
DepreciationAndAmortization
|
92100000 | USD |
CY2012Q3 | us-gaap |
Depreciation And Amortization
DepreciationAndAmortization
|
83600000 | USD |
us-gaap |
Depreciation And Amortization
DepreciationAndAmortization
|
277400000 | USD | |
CY2013Q3 | us-gaap |
Derivative Assets
DerivativeAssets
|
32300000 | USD |
CY2012Q4 | us-gaap |
Derivative Assets
DerivativeAssets
|
19300000 | USD |
CY2013Q3 | us-gaap |
Derivative Fair Value Of Derivative Asset
DerivativeFairValueOfDerivativeAsset
|
36800000 | USD |
CY2012Q4 | us-gaap |
Derivative Fair Value Of Derivative Asset
DerivativeFairValueOfDerivativeAsset
|
26200000 | USD |
CY2012Q4 | us-gaap |
Derivative Fair Value Of Derivative Liability
DerivativeFairValueOfDerivativeLiability
|
40400000 | USD |
CY2013Q3 | us-gaap |
Derivative Fair Value Of Derivative Liability
DerivativeFairValueOfDerivativeLiability
|
27100000 | USD |
CY2013Q3 | us-gaap |
Derivative Liabilities
DerivativeLiabilities
|
23500000 | USD |
CY2012Q4 | us-gaap |
Derivative Liabilities
DerivativeLiabilities
|
33000000 | USD |
CY2013Q3 | us-gaap |
Derivative Net Liability Position Aggregate Fair Value
DerivativeNetLiabilityPositionAggregateFairValue
|
27100000 | USD |
us-gaap |
Discontinued Operation Income Loss From Discontinued Operation Before Income Tax
DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax
|
-7700000 | USD | |
us-gaap |
Discontinued Operation Income Loss From Discontinued Operation Before Income Tax
DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax
|
-4000000 | USD | |
CY2013Q3 | us-gaap |
Discontinued Operation Income Loss From Discontinued Operation Before Income Tax
DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax
|
-2100000 | USD |
CY2012Q3 | us-gaap |
Discontinued Operation Income Loss From Discontinued Operation Before Income Tax
DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax
|
2600000 | USD |
CY2013Q3 | us-gaap |
Discontinued Operation Tax Effect Of Discontinued Operation
DiscontinuedOperationTaxEffectOfDiscontinuedOperation
|
-800000 | USD |
us-gaap |
Discontinued Operation Tax Effect Of Discontinued Operation
DiscontinuedOperationTaxEffectOfDiscontinuedOperation
|
-1700000 | USD | |
CY2012Q3 | us-gaap |
Discontinued Operation Tax Effect Of Discontinued Operation
DiscontinuedOperationTaxEffectOfDiscontinuedOperation
|
900000 | USD |
us-gaap |
Discontinued Operation Tax Effect Of Discontinued Operation
DiscontinuedOperationTaxEffectOfDiscontinuedOperation
|
-2800000 | USD | |
us-gaap |
Disposal Group Including Discontinued Operation Operating Expense
DisposalGroupIncludingDiscontinuedOperationOperatingExpense
|
246600000 | USD | |
CY2013Q3 | us-gaap |
Disposal Group Including Discontinued Operation Operating Expense
DisposalGroupIncludingDiscontinuedOperationOperatingExpense
|
2100000 | USD |
us-gaap |
Disposal Group Including Discontinued Operation Operating Expense
DisposalGroupIncludingDiscontinuedOperationOperatingExpense
|
8600000 | USD | |
CY2012Q3 | us-gaap |
Disposal Group Including Discontinued Operation Operating Expense
DisposalGroupIncludingDiscontinuedOperationOperatingExpense
|
91700000 | USD |
CY2013Q3 | us-gaap |
Disposal Group Including Discontinued Operation Revenue
DisposalGroupIncludingDiscontinuedOperationRevenue
|
0 | USD |
us-gaap |
Disposal Group Including Discontinued Operation Revenue
DisposalGroupIncludingDiscontinuedOperationRevenue
|
900000 | USD | |
us-gaap |
Disposal Group Including Discontinued Operation Revenue
DisposalGroupIncludingDiscontinuedOperationRevenue
|
243000000 | USD | |
CY2012Q3 | us-gaap |
Disposal Group Including Discontinued Operation Revenue
DisposalGroupIncludingDiscontinuedOperationRevenue
|
94500000 | USD |
us-gaap |
Dividends Preferred Stock
DividendsPreferredStock
|
15300000 | USD | |
us-gaap |
Dividends Preferred Stock
DividendsPreferredStock
|
11900000 | USD | |
CY2013Q3 | us-gaap |
Dividends Preferred Stock
DividendsPreferredStock
|
2600000 | USD |
CY2012Q3 | us-gaap |
Dividends Preferred Stock
DividendsPreferredStock
|
4000000 | USD |
CY2012Q3 | us-gaap |
Earnings Per Share Basic And Diluted
EarningsPerShareBasicAndDiluted
|
1.36 | |
us-gaap |
Earnings Per Share Basic And Diluted
EarningsPerShareBasicAndDiluted
|
2.27 | ||
CY2013Q3 | us-gaap |
Earnings Per Share Basic And Diluted
EarningsPerShareBasicAndDiluted
|
1.42 | |
us-gaap |
Earnings Per Share Basic And Diluted
EarningsPerShareBasicAndDiluted
|
2.64 | ||
CY2013Q3 | us-gaap |
Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
|
0.098 | |
CY2012Q3 | us-gaap |
Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
|
0.204 | |
us-gaap |
Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
|
0.240 | ||
us-gaap |
Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
|
0.114 | ||
CY2013Q3 | us-gaap |
Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
|
0.350 | |
CY2012Q3 | us-gaap |
Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
|
0.350 | |
us-gaap |
Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
|
0.350 | ||
us-gaap |
Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
|
0.350 | ||
CY2012Q3 | us-gaap |
Effective Income Tax Rate Reconciliation Deductions Qualified Production Activities
EffectiveIncomeTaxRateReconciliationDeductionsQualifiedProductionActivities
|
0.055 | |
CY2013Q3 | us-gaap |
Effective Income Tax Rate Reconciliation Deductions Qualified Production Activities
EffectiveIncomeTaxRateReconciliationDeductionsQualifiedProductionActivities
|
0.077 | |
us-gaap |
Effective Income Tax Rate Reconciliation Deductions Qualified Production Activities
EffectiveIncomeTaxRateReconciliationDeductionsQualifiedProductionActivities
|
0.060 | ||
us-gaap |
Effective Income Tax Rate Reconciliation Deductions Qualified Production Activities
EffectiveIncomeTaxRateReconciliationDeductionsQualifiedProductionActivities
|
0.077 | ||
CY2013Q3 | us-gaap |
Effective Income Tax Rate Reconciliation Other Adjustments
EffectiveIncomeTaxRateReconciliationOtherAdjustments
|
0.016 | |
CY2012Q3 | us-gaap |
Effective Income Tax Rate Reconciliation Other Adjustments
EffectiveIncomeTaxRateReconciliationOtherAdjustments
|
0.059 | |
us-gaap |
Effective Income Tax Rate Reconciliation Other Adjustments
EffectiveIncomeTaxRateReconciliationOtherAdjustments
|
0.026 | ||
us-gaap |
Effective Income Tax Rate Reconciliation Other Adjustments
EffectiveIncomeTaxRateReconciliationOtherAdjustments
|
0.060 | ||
us-gaap |
Electric Domestic Regulated Revenue
ElectricDomesticRegulatedRevenue
|
2043400000 | USD | |
CY2013Q3 | us-gaap |
Electric Domestic Regulated Revenue
ElectricDomesticRegulatedRevenue
|
798100000 | USD |
CY2012Q3 | us-gaap |
Electric Domestic Regulated Revenue
ElectricDomesticRegulatedRevenue
|
815300000 | USD |
us-gaap |
Electric Domestic Regulated Revenue
ElectricDomesticRegulatedRevenue
|
2000300000 | USD | |
CY2013Q3 | us-gaap |
Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized
EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
|
7200000 | USD |
CY2013Q3 | us-gaap |
Employee Service Share Based Compensation Tax Benefit From Compensation Expense
EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense
|
1600000 | USD |
CY2012Q3 | us-gaap |
Employee Service Share Based Compensation Tax Benefit From Compensation Expense
EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense
|
0 | USD |
us-gaap |
Employee Service Share Based Compensation Tax Benefit From Compensation Expense
EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense
|
3500000 | USD | |
CY2013Q3 | us-gaap |
Energy Related Inventory Gas Stored Underground
EnergyRelatedInventoryGasStoredUnderground
|
44200000 | USD |
CY2012Q4 | us-gaap |
Energy Related Inventory Gas Stored Underground
EnergyRelatedInventoryGasStoredUnderground
|
37700000 | USD |
CY2013Q3 | us-gaap |
Energy Related Inventory Other Fossil Fuel
EnergyRelatedInventoryOtherFossilFuel
|
105200000 | USD |
CY2012Q4 | us-gaap |
Energy Related Inventory Other Fossil Fuel
EnergyRelatedInventoryOtherFossilFuel
|
103100000 | USD |
us-gaap |
Equity Method Investment Dividends Or Distributions
EquityMethodInvestmentDividendsOrDistributions
|
26600000 | USD | |
us-gaap |
Equity Method Investment Dividends Or Distributions
EquityMethodInvestmentDividendsOrDistributions
|
25700000 | USD | |
CY2012Q3 | us-gaap |
Gas Domestic Regulated Revenue
GasDomesticRegulatedRevenue
|
46800000 | USD |
us-gaap |
Gas Domestic Regulated Revenue
GasDomesticRegulatedRevenue
|
310500000 | USD | |
CY2013Q3 | us-gaap |
Gas Domestic Regulated Revenue
GasDomesticRegulatedRevenue
|
39800000 | USD |
us-gaap |
Gas Domestic Regulated Revenue
GasDomesticRegulatedRevenue
|
263900000 | USD | |
us-gaap |
Income Loss From Continuing Operations
IncomeLossFromContinuingOperations
|
253800000 | USD | |
CY2013Q3 | us-gaap |
Income Loss From Continuing Operations
IncomeLossFromContinuingOperations
|
158900000 | USD |
CY2012Q3 | us-gaap |
Income Loss From Continuing Operations
IncomeLossFromContinuingOperations
|
149000000 | USD |
us-gaap |
Income Loss From Continuing Operations
IncomeLossFromContinuingOperations
|
297700000 | USD | |
us-gaap |
Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest
IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
|
353200000 | USD | |
us-gaap |
Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest
IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
|
349500000 | USD | |
CY2012Q3 | us-gaap |
Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest
IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
|
192300000 | USD |
CY2013Q3 | us-gaap |
Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest
IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
|
179100000 | USD |
us-gaap |
Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest
IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest
|
313000000 | USD | |
us-gaap |
Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest
IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest
|
265700000 | USD | |
CY2012Q3 | us-gaap |
Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest
IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest
|
153000000 | USD |
CY2013Q3 | us-gaap |
Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest
IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest
|
161500000 | USD |
CY2013Q3 | us-gaap |
Income Loss From Continuing Operations Per Basic And Diluted Share
IncomeLossFromContinuingOperationsPerBasicAndDilutedShare
|
1.43 | |
us-gaap |
Income Loss From Continuing Operations Per Basic And Diluted Share
IncomeLossFromContinuingOperationsPerBasicAndDilutedShare
|
2.29 | ||
us-gaap |
Income Loss From Continuing Operations Per Basic And Diluted Share
IncomeLossFromContinuingOperationsPerBasicAndDilutedShare
|
2.69 | ||
CY2012Q3 | us-gaap |
Income Loss From Continuing Operations Per Basic And Diluted Share
IncomeLossFromContinuingOperationsPerBasicAndDilutedShare
|
1.34 | |
us-gaap |
Income Loss From Discontinued Operations Net Of Tax
IncomeLossFromDiscontinuedOperationsNetOfTax
|
-2300000 | USD | |
CY2012Q3 | us-gaap |
Income Loss From Discontinued Operations Net Of Tax
IncomeLossFromDiscontinuedOperationsNetOfTax
|
1700000 | USD |
CY2013Q3 | us-gaap |
Income Loss From Discontinued Operations Net Of Tax
IncomeLossFromDiscontinuedOperationsNetOfTax
|
-1300000 | USD |
us-gaap |
Income Loss From Discontinued Operations Net Of Tax
IncomeLossFromDiscontinuedOperationsNetOfTax
|
-4900000 | USD | |
CY2012Q3 | us-gaap |
Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity
IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity
|
1700000 | USD |
us-gaap |
Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity
IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity
|
-2300000 | USD | |
us-gaap |
Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
|
-52900000 | USD | |
CY2013Q3 | us-gaap |
Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity
IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity
|
-1300000 | USD |
us-gaap |
Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity
IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity
|
-4900000 | USD | |
CY2013Q3 | us-gaap |
Income Loss From Discontinued Operations Net Of Tax Per Basic And Diluted Share
IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicAndDilutedShare
|
-0.01 | |
us-gaap |
Income Loss From Discontinued Operations Net Of Tax Per Basic And Diluted Share
IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicAndDilutedShare
|
-0.02 | ||
CY2012Q3 | us-gaap |
Income Loss From Discontinued Operations Net Of Tax Per Basic And Diluted Share
IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicAndDilutedShare
|
0.02 | |
us-gaap |
Income Loss From Discontinued Operations Net Of Tax Per Basic And Diluted Share
IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicAndDilutedShare
|
-0.05 | ||
us-gaap |
Income Loss From Equity Method Investments
IncomeLossFromEquityMethodInvestments
|
30400000 | USD | |
us-gaap |
Income Loss From Equity Method Investments
IncomeLossFromEquityMethodInvestments
|
32700000 | USD | |
CY2013Q3 | us-gaap |
Income Loss From Equity Method Investments
IncomeLossFromEquityMethodInvestments
|
11100000 | USD |
CY2012Q3 | us-gaap |
Income Loss From Equity Method Investments
IncomeLossFromEquityMethodInvestments
|
10400000 | USD |
CY2013Q3 | us-gaap |
Income Tax Expense Benefit
IncomeTaxExpenseBenefit
|
17600000 | USD |
CY2012Q3 | us-gaap |
Income Tax Expense Benefit
IncomeTaxExpenseBenefit
|
39300000 | USD |
us-gaap |
Income Tax Expense Benefit
IncomeTaxExpenseBenefit
|
83800000 | USD | |
us-gaap |
Income Tax Expense Benefit
IncomeTaxExpenseBenefit
|
40200000 | USD | |
us-gaap |
Income Taxes Paid Net
IncomeTaxesPaidNet
|
-9700000 | USD | |
us-gaap |
Income Taxes Paid Net
IncomeTaxesPaidNet
|
-800000 | USD | |
us-gaap |
Increase Decrease In Accounts Receivable
IncreaseDecreaseInAccountsReceivable
|
-50900000 | USD | |
us-gaap |
Increase Decrease In Accounts Receivable
IncreaseDecreaseInAccountsReceivable
|
12800000 | USD | |
us-gaap |
Increase Decrease In Deferred Income Taxes
IncreaseDecreaseInDeferredIncomeTaxes
|
-90500000 | USD | |
us-gaap |
Increase Decrease In Deferred Income Taxes
IncreaseDecreaseInDeferredIncomeTaxes
|
-75400000 | USD | |
us-gaap |
Increase Decrease In Other Operating Capital Net
IncreaseDecreaseInOtherOperatingCapitalNet
|
12700000 | USD | |
us-gaap |
Increase Decrease In Other Operating Capital Net
IncreaseDecreaseInOtherOperatingCapitalNet
|
26800000 | USD | |
us-gaap |
Increase Decrease In Other Receivables
IncreaseDecreaseInOtherReceivables
|
85000000 | USD | |
us-gaap |
Increase Decrease In Other Receivables
IncreaseDecreaseInOtherReceivables
|
-10000000 | USD | |
us-gaap |
Increase Decrease In Other Regulatory Assets
IncreaseDecreaseInOtherRegulatoryAssets
|
73500000 | USD | |
us-gaap |
Increase Decrease In Other Regulatory Assets
IncreaseDecreaseInOtherRegulatoryAssets
|
14400000 | USD | |
us-gaap |
Increase Decrease In Regulatory Liabilities
IncreaseDecreaseInRegulatoryLiabilities
|
-74900000 | USD | |
us-gaap |
Increase Decrease In Regulatory Liabilities
IncreaseDecreaseInRegulatoryLiabilities
|
5000000 | USD | |
CY2013Q3 | us-gaap |
Incremental Common Shares Attributable To Share Based Payment Arrangements
IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
|
2000 | shares |
CY2012Q3 | us-gaap |
Incremental Common Shares Attributable To Share Based Payment Arrangements
IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
|
11000 | shares |
us-gaap |
Incremental Common Shares Attributable To Share Based Payment Arrangements
IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
|
16000 | shares | |
us-gaap |
Incremental Common Shares Attributable To Share Based Payment Arrangements
IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
|
5000 | shares | |
CY2012Q3 | us-gaap |
Interest Expense
InterestExpense
|
38300000 | USD |
us-gaap |
Interest Expense
InterestExpense
|
127600000 | USD | |
us-gaap |
Interest Expense
InterestExpense
|
115800000 | USD | |
CY2013Q3 | us-gaap |
Interest Expense
InterestExpense
|
42500000 | USD |
us-gaap |
Interest Paid Net
InterestPaidNet
|
115600000 | USD | |
us-gaap |
Interest Paid Net
InterestPaidNet
|
128500000 | USD | |
CY2012Q4 | us-gaap |
Inventory Raw Materials And Supplies
InventoryRawMaterialsAndSupplies
|
63100000 | USD |
CY2013Q3 | us-gaap |
Inventory Raw Materials And Supplies
InventoryRawMaterialsAndSupplies
|
71100000 | USD |
CY2012Q4 | us-gaap |
Liabilities And Stockholders Equity
LiabilitiesAndStockholdersEquity
|
10785500000 | USD |
CY2013Q3 | us-gaap |
Liabilities And Stockholders Equity
LiabilitiesAndStockholdersEquity
|
10981200000 | USD |
CY2012Q4 | us-gaap |
Liabilities Current
LiabilitiesCurrent
|
1020000000 | USD |
CY2013Q3 | us-gaap |
Liabilities Current
LiabilitiesCurrent
|
1052800000 | USD |
CY2012Q4 | us-gaap |
Liabilities Of Disposal Group Including Discontinued Operation Current
LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent
|
31400000 | USD |
CY2013Q3 | us-gaap |
Minority Interest
MinorityInterest
|
1800000 | USD |
CY2012Q4 | us-gaap |
Minority Interest
MinorityInterest
|
1800000 | USD |
CY2013Q3 | us-gaap |
Line Of Credit Facility Remaining Borrowing Capacity
LineOfCreditFacilityRemainingBorrowingCapacity
|
697700000 | USD |
CY2013Q3 | us-gaap |
Long Term Debt Current
LongTermDebtCurrent
|
48400000 | USD |
CY2012Q4 | us-gaap |
Long Term Debt Current
LongTermDebtCurrent
|
1500000 | USD |
CY2012Q4 | us-gaap |
Long Term Debt Noncurrent
LongTermDebtNoncurrent
|
3136600000 | USD |
CY2013Q3 | us-gaap |
Long Term Debt Noncurrent
LongTermDebtNoncurrent
|
3104800000 | USD |
CY2013Q3 | us-gaap |
Long Term Investments
LongTermInvestments
|
324700000 | USD |
CY2012Q4 | us-gaap |
Long Term Investments
LongTermInvestments
|
319000000 | USD |
us-gaap |
Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
|
-133400000 | USD | |
us-gaap |
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
|
-517700000 | USD | |
us-gaap |
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
|
-513200000 | USD | |
us-gaap |
Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
|
643100000 | USD | |
us-gaap |
Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
|
600300000 | USD | |
us-gaap |
Net Income Loss
NetIncomeLoss
|
263400000 | USD | |
CY2013Q3 | us-gaap |
Net Income Loss
NetIncomeLoss
|
160200000 | USD |
CY2012Q3 | us-gaap |
Net Income Loss
NetIncomeLoss
|
154700000 | USD |
us-gaap |
Net Income Loss
NetIncomeLoss
|
308100000 | USD | |
us-gaap |
Net Income Loss Available To Common Stockholders Basic
NetIncomeLossAvailableToCommonStockholdersBasic
|
292800000 | USD | |
CY2012Q3 | us-gaap |
Net Income Loss Available To Common Stockholders Basic
NetIncomeLossAvailableToCommonStockholdersBasic
|
150700000 | USD |
us-gaap |
Net Income Loss Available To Common Stockholders Basic
NetIncomeLossAvailableToCommonStockholdersBasic
|
251500000 | USD | |
CY2013Q3 | us-gaap |
Net Income Loss Available To Common Stockholders Basic
NetIncomeLossAvailableToCommonStockholdersBasic
|
157600000 | USD |
CY2012Q3 | us-gaap |
Nonoperating Income Expense
NonoperatingIncomeExpense
|
-21400000 | USD |
us-gaap |
Nonoperating Income Expense
NonoperatingIncomeExpense
|
-68600000 | USD | |
us-gaap |
Nonoperating Income Expense
NonoperatingIncomeExpense
|
-72100000 | USD | |
CY2013Q3 | us-gaap |
Nonoperating Income Expense
NonoperatingIncomeExpense
|
-22300000 | USD |
us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
418100000 | USD | |
CY2012Q3 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
213700000 | USD |
us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
425300000 | USD | |
CY2013Q3 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
201400000 | USD |
us-gaap |
Other Amortization Of Deferred Charges
OtherAmortizationOfDeferredCharges
|
41300000 | USD | |
us-gaap |
Other Amortization Of Deferred Charges
OtherAmortizationOfDeferredCharges
|
29100000 | USD | |
CY2013Q3 | us-gaap |
Other Assets Current
OtherAssetsCurrent
|
119000000 | USD |
CY2012Q4 | us-gaap |
Other Assets Current
OtherAssetsCurrent
|
129800000 | USD |
CY2012Q4 | us-gaap |
Other Assets Noncurrent
OtherAssetsNoncurrent
|
105300000 | USD |
CY2013Q3 | us-gaap |
Other Assets Noncurrent
OtherAssetsNoncurrent
|
99100000 | USD |
CY2012Q3 | us-gaap |
Other Cost And Expense Operating
OtherCostAndExpenseOperating
|
3700000 | USD |
us-gaap |
Other Cost And Expense Operating
OtherCostAndExpenseOperating
|
8600000 | USD | |
CY2013Q3 | us-gaap |
Other Cost And Expense Operating
OtherCostAndExpenseOperating
|
3100000 | USD |
us-gaap |
Other Cost And Expense Operating
OtherCostAndExpenseOperating
|
8400000 | USD | |
CY2012Q4 | us-gaap |
Other Liabilities Current
OtherLiabilitiesCurrent
|
272000000 | USD |
CY2013Q3 | us-gaap |
Other Liabilities Current
OtherLiabilitiesCurrent
|
223500000 | USD |
CY2013Q3 | us-gaap |
Other Liabilities Noncurrent
OtherLiabilitiesNoncurrent
|
271900000 | USD |
CY2012Q4 | us-gaap |
Other Liabilities Noncurrent
OtherLiabilitiesNoncurrent
|
262500000 | USD |
us-gaap |
Other Noncash Income Expense
OtherNoncashIncomeExpense
|
14100000 | USD | |
us-gaap |
Other Noncash Income Expense
OtherNoncashIncomeExpense
|
8400000 | USD | |
CY2012Q3 | us-gaap |
Other Nonoperating Income Expense
OtherNonoperatingIncomeExpense
|
700000 | USD |
us-gaap |
Other Nonoperating Income Expense
OtherNonoperatingIncomeExpense
|
2400000 | USD | |
CY2013Q3 | us-gaap |
Other Nonoperating Income Expense
OtherNonoperatingIncomeExpense
|
600000 | USD |
us-gaap |
Other Nonoperating Income Expense
OtherNonoperatingIncomeExpense
|
1700000 | USD | |
CY2013Q3 | us-gaap |
Other Receivables
OtherReceivables
|
188600000 | USD |
CY2012Q4 | us-gaap |
Other Receivables
OtherReceivables
|
209400000 | USD |
us-gaap |
Other Sales Revenue Net
OtherSalesRevenueNet
|
52400000 | USD | |
us-gaap |
Other Sales Revenue Net
OtherSalesRevenueNet
|
39700000 | USD | |
CY2012Q3 | us-gaap |
Other Sales Revenue Net
OtherSalesRevenueNet
|
12200000 | USD |
CY2013Q3 | us-gaap |
Other Sales Revenue Net
OtherSalesRevenueNet
|
17400000 | USD |
us-gaap |
Payments For Proceeds From Other Investing Activities
PaymentsForProceedsFromOtherInvestingActivities
|
15300000 | USD | |
us-gaap |
Payments For Proceeds From Other Investing Activities
PaymentsForProceedsFromOtherInvestingActivities
|
-1300000 | USD | |
us-gaap |
Payments For Repurchase Of Redeemable Preferred Stock
PaymentsForRepurchaseOfRedeemablePreferredStock
|
0 | USD | |
us-gaap |
Payments For Repurchase Of Redeemable Preferred Stock
PaymentsForRepurchaseOfRedeemablePreferredStock
|
211000000 | USD | |
us-gaap |
Payments Of Dividends Common Stock
PaymentsOfDividendsCommonStock
|
149600000 | USD | |
us-gaap |
Payments Of Dividends Common Stock
PaymentsOfDividendsCommonStock
|
156200000 | USD | |
us-gaap |
Payments Of Dividends Preferred Stock And Preference Stock
PaymentsOfDividendsPreferredStockAndPreferenceStock
|
11900000 | USD | |
us-gaap |
Payments Of Dividends Preferred Stock And Preference Stock
PaymentsOfDividendsPreferredStockAndPreferenceStock
|
8900000 | USD | |
CY2012Q4 | us-gaap |
Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent
PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent
|
364000000 | USD |
CY2013Q3 | us-gaap |
Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent
PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent
|
356600000 | USD |
CY2013Q3 | us-gaap |
Preferred Stock Value
PreferredStockValue
|
200000000 | USD |
CY2012Q4 | us-gaap |
Preferred Stock Value
PreferredStockValue
|
145100000 | USD |
us-gaap |
Prior Period Reclassification Adjustment Description
PriorPeriodReclassificationAdjustmentDescription
|
<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Certain prior period amounts in the Condensed Consolidated Financial Statements and Combined Notes to Condensed Consolidated Financial Statements have been reclassified to conform to the current period presentation for comparative purposes. Unless otherwise noted, the notes herein have been revised to exclude discontinued operations and assets and liabilities held for sale for all periods presented.</font></div></div> | ||
us-gaap |
Proceeds From Issuance Of Long Term Debt
ProceedsFromIssuanceOfLongTermDebt
|
75000000 | USD | |
us-gaap |
Proceeds From Issuance Of Long Term Debt
ProceedsFromIssuanceOfLongTermDebt
|
0 | USD | |
us-gaap |
Proceeds From Issuance Of Redeemable Preferred Stock
ProceedsFromIssuanceOfRedeemablePreferredStock
|
200000000 | USD | |
us-gaap |
Proceeds From Issuance Of Redeemable Preferred Stock
ProceedsFromIssuanceOfRedeemablePreferredStock
|
0 | USD | |
us-gaap |
Proceeds From Payments For Other Financing Activities
ProceedsFromPaymentsForOtherFinancingActivities
|
7900000 | USD | |
us-gaap |
Proceeds From Payments For Other Financing Activities
ProceedsFromPaymentsForOtherFinancingActivities
|
16000000 | USD | |
us-gaap |
Proceeds From Repayments Of Short Term Debt
ProceedsFromRepaymentsOfShortTermDebt
|
34800000 | USD | |
us-gaap |
Proceeds From Repayments Of Short Term Debt
ProceedsFromRepaymentsOfShortTermDebt
|
17600000 | USD | |
CY2012Q4 | us-gaap |
Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
|
7838000000 | USD |
CY2013Q3 | us-gaap |
Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
|
8141400000 | USD |
CY2013Q3 | us-gaap |
Property Plant And Equipment Other
PropertyPlantAndEquipmentOther
|
456100000 | USD |
CY2012Q4 | us-gaap |
Property Plant And Equipment Other
PropertyPlantAndEquipmentOther
|
455700000 | USD |
us-gaap |
Public Utilities Allowance For Funds Used During Construction Additions
PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions
|
14400000 | USD | |
CY2013Q3 | us-gaap |
Public Utilities Allowance For Funds Used During Construction Additions
PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions
|
8500000 | USD |
CY2012Q3 | us-gaap |
Public Utilities Allowance For Funds Used During Construction Additions
PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions
|
5800000 | USD |
us-gaap |
Public Utilities Allowance For Funds Used During Construction Additions
PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions
|
21100000 | USD | |
CY2012Q4 | us-gaap |
Public Utilities Property Plant And Equipment Accumulated Depreciation
PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation
|
3513000000 | USD |
CY2013Q3 | us-gaap |
Public Utilities Property Plant And Equipment Accumulated Depreciation
PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation
|
3689300000 | USD |
CY2012Q4 | us-gaap |
Public Utilities Property Plant And Equipment Net
PublicUtilitiesPropertyPlantAndEquipmentNet
|
7382300000 | USD |
CY2013Q3 | us-gaap |
Public Utilities Property Plant And Equipment Net
PublicUtilitiesPropertyPlantAndEquipmentNet
|
7685300000 | USD |
CY2012Q4 | us-gaap |
Public Utilities Property Plant And Equipment Other Property Plant And Equipment
PublicUtilitiesPropertyPlantAndEquipmentOtherPropertyPlantAndEquipment
|
21200000 | USD |
CY2013Q3 | us-gaap |
Public Utilities Property Plant And Equipment Other Property Plant And Equipment
PublicUtilitiesPropertyPlantAndEquipmentOtherPropertyPlantAndEquipment
|
21000000 | USD |
CY2013Q3 | us-gaap |
Regulatory Assets
RegulatoryAssets
|
1596200000 | USD |
CY2012Q4 | us-gaap |
Regulatory Assets
RegulatoryAssets
|
1612400000 | USD |
CY2013Q3 | us-gaap |
Regulatory Assets Current
RegulatoryAssetsCurrent
|
60300000 | USD |
CY2012Q4 | us-gaap |
Regulatory Assets Current
RegulatoryAssetsCurrent
|
83500000 | USD |
CY2013Q3 | us-gaap |
Regulatory Assets Noncurrent
RegulatoryAssetsNoncurrent
|
1535900000 | USD |
CY2012Q4 | us-gaap |
Regulatory Assets Noncurrent
RegulatoryAssetsNoncurrent
|
1528900000 | USD |
CY2012Q4 | us-gaap |
Regulatory Liabilities
RegulatoryLiabilities
|
916100000 | USD |
CY2013Q3 | us-gaap |
Regulatory Liabilities
RegulatoryLiabilities
|
837600000 | USD |
CY2013Q3 | us-gaap |
Regulatory Liability Current
RegulatoryLiabilityCurrent
|
174900000 | USD |
CY2012Q4 | us-gaap |
Regulatory Liability Current
RegulatoryLiabilityCurrent
|
189700000 | USD |
CY2013Q3 | us-gaap |
Regulatory Liability Noncurrent
RegulatoryLiabilityNoncurrent
|
662700000 | USD |
CY2012Q4 | us-gaap |
Regulatory Liability Noncurrent
RegulatoryLiabilityNoncurrent
|
726400000 | USD |
CY2013Q3 | us-gaap |
Retained Earnings Accumulated Deficit
RetainedEarningsAccumulatedDeficit
|
1767300000 | USD |
CY2012Q3 | us-gaap |
Revenues
Revenues
|
887600000 | USD |
CY2012Q4 | us-gaap |
Retained Earnings Accumulated Deficit
RetainedEarningsAccumulatedDeficit
|
1630700000 | USD |
us-gaap |
Revenues
Revenues
|
2343600000 | USD | |
CY2013Q3 | us-gaap |
Revenues
Revenues
|
866600000 | USD |
us-gaap |
Revenues
Revenues
|
2444200000 | USD | |
CY2013Q3 | us-gaap |
Short Term Debt Weighted Average Interest Rate
ShortTermDebtWeightedAverageInterestRate
|
0.002 | |
us-gaap |
Shortterm Debt Average Outstanding Amount
ShorttermDebtAverageOutstandingAmount
|
100200000 | USD | |
CY2013Q3 | us-gaap |
Shortterm Debt Average Outstanding Amount
ShorttermDebtAverageOutstandingAmount
|
228800000 | USD |
us-gaap |
Shortterm Debt Average Outstanding Amount
ShorttermDebtAverageOutstandingAmount
|
197200000 | USD | |
CY2012Q3 | us-gaap |
Shortterm Debt Average Outstanding Amount
ShorttermDebtAverageOutstandingAmount
|
133000000 | USD |
CY2013Q3 | us-gaap |
Shortterm Debt Maximum Amount Outstanding During Period
ShorttermDebtMaximumAmountOutstandingDuringPeriod
|
284100000 | USD |
us-gaap |
Shortterm Debt Maximum Amount Outstanding During Period
ShorttermDebtMaximumAmountOutstandingDuringPeriod
|
185300000 | USD | |
CY2012Q3 | us-gaap |
Shortterm Debt Maximum Amount Outstanding During Period
ShorttermDebtMaximumAmountOutstandingDuringPeriod
|
185300000 | USD |
us-gaap |
Shortterm Debt Maximum Amount Outstanding During Period
ShorttermDebtMaximumAmountOutstandingDuringPeriod
|
284100000 | USD | |
us-gaap |
Stock Issued During Period Shares Employee Stock Purchase Plans
StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans
|
-23374 | shares | |
CY2012Q4 | us-gaap |
Stockholders Equity
StockholdersEquity
|
3134900000 | USD |
CY2013Q3 | us-gaap |
Stockholders Equity
StockholdersEquity
|
3266700000 | USD |
CY2012Q4 | us-gaap |
Stockholders Equity Including Portion Attributable To Noncontrolling Interest
StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
|
3281800000 | USD |
CY2013Q3 | us-gaap |
Stockholders Equity Including Portion Attributable To Noncontrolling Interest
StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
|
3468500000 | USD |
CY2013Q3 | us-gaap |
Taxes Excluding Income And Excise Taxes
TaxesExcludingIncomeAndExciseTaxes
|
24900000 | USD |
CY2012Q3 | us-gaap |
Taxes Excluding Income And Excise Taxes
TaxesExcludingIncomeAndExciseTaxes
|
23700000 | USD |
us-gaap |
Taxes Excluding Income And Excise Taxes
TaxesExcludingIncomeAndExciseTaxes
|
74300000 | USD | |
us-gaap |
Taxes Excluding Income And Excise Taxes
TaxesExcludingIncomeAndExciseTaxes
|
73500000 | USD | |
CY2012Q4 | us-gaap |
Temporary Equity Carrying Amount Attributable To Parent
TemporaryEquityCarryingAmountAttributableToParent
|
60000000 | USD |
CY2013Q3 | us-gaap |
Temporary Equity Carrying Amount Attributable To Parent
TemporaryEquityCarryingAmountAttributableToParent
|
0 | USD |
us-gaap |
Unregulated Operating Revenue
UnregulatedOperatingRevenue
|
37900000 | USD | |
CY2012Q3 | us-gaap |
Unregulated Operating Revenue
UnregulatedOperatingRevenue
|
13300000 | USD |
CY2013Q3 | us-gaap |
Unregulated Operating Revenue
UnregulatedOperatingRevenue
|
11300000 | USD |
us-gaap |
Unregulated Operating Revenue
UnregulatedOperatingRevenue
|
39700000 | USD | |
us-gaap |
Use Of Estimates
UseOfEstimates
|
<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">In the opinion of management, all adjustments, which unless otherwise noted are normal and recurring in nature, necessary for a fair presentation of the results of operations, financial position and cash flows have been made. Results for the </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">nine</font><font style="font-family:inherit;font-size:10pt;"> months ended </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">September 30, 2013</font><font style="font-family:inherit;font-size:10pt;"> are not necessarily indicative of results that may be expected for the year ending </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">December 31, 2013</font><font style="font-family:inherit;font-size:10pt;">. A change in management’s estimates or assumptions could have a material impact on Alliant Energy’s, IPL’s and WPL’s respective financial condition and results of operations during the period in which such change occurred.</font></div></div> | ||
us-gaap |
Utilities Operating Expense Maintenance And Operations
UtilitiesOperatingExpenseMaintenanceAndOperations
|
453700000 | USD | |
CY2012Q3 | us-gaap |
Utilities Operating Expense Maintenance And Operations
UtilitiesOperatingExpenseMaintenanceAndOperations
|
144700000 | USD |
CY2013Q3 | us-gaap |
Utilities Operating Expense Maintenance And Operations
UtilitiesOperatingExpenseMaintenanceAndOperations
|
156300000 | USD |
us-gaap |
Utilities Operating Expense Maintenance And Operations
UtilitiesOperatingExpenseMaintenanceAndOperations
|
432600000 | USD | |
CY2013Q3 | us-gaap |
Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
|
110785000 | shares |
us-gaap |
Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
|
110780000 | shares | |
CY2012Q3 | us-gaap |
Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
|
110779000 | shares |
us-gaap |
Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
|
110763000 | shares | |
CY2012Q3 | us-gaap |
Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
|
110768000 | shares |
CY2013Q3 | us-gaap |
Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
|
110783000 | shares |
us-gaap |
Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
|
110747000 | shares | |
us-gaap |
Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
|
110775000 | shares | |
lnt |
Adjustment Depreciation And Amortization Including Discontinued Operations
AdjustmentDepreciationAndAmortizationIncludingDiscontinuedOperations
|
277400000 | USD | |
lnt |
Adjustment Depreciation And Amortization Including Discontinued Operations
AdjustmentDepreciationAndAmortizationIncludingDiscontinuedOperations
|
247900000 | USD | |
CY2013Q3 | lnt |
Common Stock Held In Trust Shares
CommonStockHeldInTrustShares
|
222415 | shares |
CY2012Q4 | lnt |
Common Stock Held In Trust Shares
CommonStockHeldInTrustShares
|
216030 | shares |
CY2013Q3 | lnt |
Common Stock Held In Trust Weighted Average Value Per Share
CommonStockHeldInTrustWeightedAverageValuePerShare
|
34.87 | |
CY2012Q4 | lnt |
Common Stock Held In Trust Weighted Average Value Per Share
CommonStockHeldInTrustWeightedAverageValuePerShare
|
33.61 | |
CY2012Q4 | lnt |
Construction Work In Progress Business Line4
ConstructionWorkInProgressBusinessLine4
|
130400000 | USD |
CY2013Q3 | lnt |
Construction Work In Progress Business Line4
ConstructionWorkInProgressBusinessLine4
|
247900000 | USD |
CY2013Q3 | lnt |
Construction Work In Progress Business Line5
ConstructionWorkInProgressBusinessLine5
|
106600000 | USD |
CY2012Q4 | lnt |
Construction Work In Progress Business Line5
ConstructionWorkInProgressBusinessLine5
|
66900000 | USD |
CY2012Q4 | lnt |
Construction Work In Progress Business Line6
ConstructionWorkInProgressBusinessLine6
|
73700000 | USD |
CY2013Q3 | lnt |
Construction Work In Progress Business Line6
ConstructionWorkInProgressBusinessLine6
|
124800000 | USD |
CY2013Q3 | lnt |
Construction Work In Progress Other
ConstructionWorkInProgressOther
|
222900000 | USD |
CY2012Q4 | lnt |
Construction Work In Progress Other
ConstructionWorkInProgressOther
|
147800000 | USD |
lnt |
Cost Electric Production Fuel And Energy Purchases
CostElectricProductionFuelAndEnergyPurchases
|
550400000 | USD | |
lnt |
Cost Electric Production Fuel And Energy Purchases
CostElectricProductionFuelAndEnergyPurchases
|
542500000 | USD | |
CY2013Q3 | lnt |
Cost Electric Production Fuel And Energy Purchases
CostElectricProductionFuelAndEnergyPurchases
|
205400000 | USD |
CY2012Q3 | lnt |
Cost Electric Production Fuel And Energy Purchases
CostElectricProductionFuelAndEnergyPurchases
|
221600000 | USD |
lnt |
Cost Of Gas Sold
CostOfGasSold
|
181200000 | USD | |
lnt |
Cost Of Gas Sold
CostOfGasSold
|
141100000 | USD | |
CY2012Q3 | lnt |
Cost Of Gas Sold
CostOfGasSold
|
17700000 | USD |
CY2013Q3 | lnt |
Cost Of Gas Sold
CostOfGasSold
|
14300000 | USD |
lnt |
Cost Purchased Electric Capacity
CostPurchasedElectricCapacity
|
216200000 | USD | |
CY2013Q3 | lnt |
Cost Purchased Electric Capacity
CostPurchasedElectricCapacity
|
58600000 | USD |
CY2012Q3 | lnt |
Cost Purchased Electric Capacity
CostPurchasedElectricCapacity
|
84000000 | USD |
lnt |
Cost Purchased Electric Capacity
CostPurchasedElectricCapacity
|
167600000 | USD | |
CY2013Q3 | lnt |
Deferred Charges Regulatory Assets And Other Assets Noncurrent
DeferredChargesRegulatoryAssetsAndOtherAssetsNoncurrent
|
1635000000 | USD |
CY2012Q4 | lnt |
Deferred Charges Regulatory Assets And Other Assets Noncurrent
DeferredChargesRegulatoryAssetsAndOtherAssetsNoncurrent
|
1634200000 | USD |
lnt |
Disposal Group Including Discontinued Operation Interest Expense And Other
DisposalGroupIncludingDiscontinuedOperationInterestExpenseAndOther
|
0 | USD | |
lnt |
Disposal Group Including Discontinued Operation Interest Expense And Other
DisposalGroupIncludingDiscontinuedOperationInterestExpenseAndOther
|
400000 | USD | |
CY2012Q3 | lnt |
Disposal Group Including Discontinued Operation Interest Expense And Other
DisposalGroupIncludingDiscontinuedOperationInterestExpenseAndOther
|
200000 | USD |
CY2013Q3 | lnt |
Disposal Group Including Discontinued Operation Interest Expense And Other
DisposalGroupIncludingDiscontinuedOperationInterestExpenseAndOther
|
0 | USD |
CY2012Q3 | lnt |
Effective Income Tax Rate Reconciliation Effect Of Rate Making On Property Related Differences
EffectiveIncomeTaxRateReconciliationEffectOfRateMakingOnPropertyRelatedDifferences
|
-0.047 | |
CY2013Q3 | lnt |
Effective Income Tax Rate Reconciliation Effect Of Rate Making On Property Related Differences
EffectiveIncomeTaxRateReconciliationEffectOfRateMakingOnPropertyRelatedDifferences
|
-0.062 | |
lnt |
Effective Income Tax Rate Reconciliation Effect Of Rate Making On Property Related Differences
EffectiveIncomeTaxRateReconciliationEffectOfRateMakingOnPropertyRelatedDifferences
|
-0.059 | ||
lnt |
Effective Income Tax Rate Reconciliation Effect Of Rate Making On Property Related Differences
EffectiveIncomeTaxRateReconciliationEffectOfRateMakingOnPropertyRelatedDifferences
|
-0.043 | ||
CY2012Q3 | lnt |
Effective Income Tax Rate Reconciliation Tax Benefit Rider
EffectiveIncomeTaxRateReconciliationTaxBenefitRider
|
-0.103 | |
CY2013Q3 | lnt |
Effective Income Tax Rate Reconciliation Tax Benefit Rider
EffectiveIncomeTaxRateReconciliationTaxBenefitRider
|
-0.129 | |
lnt |
Effective Income Tax Rate Reconciliation Tax Benefit Rider
EffectiveIncomeTaxRateReconciliationTaxBenefitRider
|
-0.110 | ||
lnt |
Effective Income Tax Rate Reconciliation Tax Benefit Rider
EffectiveIncomeTaxRateReconciliationTaxBenefitRider
|
-0.126 | ||
CY2012Q4 | lnt |
Fair Value Of Deferred Proceeds Of Receivables Sold
FairValueOfDeferredProceedsOfReceivablesSold
|
66800000 | USD |
CY2013Q3 | lnt |
Fair Value Of Deferred Proceeds Of Receivables Sold
FairValueOfDeferredProceedsOfReceivablesSold
|
86900000 | USD |
lnt |
Increase Decrease In Deferred Income Taxes Noncurrent Liabilities
IncreaseDecreaseInDeferredIncomeTaxesNoncurrentLiabilities
|
129700000 | USD | |
CY2013Q3 | lnt |
Individual Commitments Incurred
IndividualCommitmentsIncurred
|
1000000 | USD |
CY2010Q4 | lnt |
Interest Crediting Rate
InterestCreditingRate
|
0.082 | |
CY2013Q3 | lnt |
Investments Business Line1
InvestmentsBusinessLine1
|
268300000 | USD |
CY2012Q4 | lnt |
Investments Business Line1
InvestmentsBusinessLine1
|
257000000 | USD |
CY2012Q3 | lnt |
Loss Contingency Number Of New Subclasses Certified As Result Of Court Opinion And Order
LossContingencyNumberOfNewSubclassesCertifiedAsResultOfCourtOpinionAndOrder
|
2 | subclass |
CY2013Q3 | lnt |
Net Utility Plant
NetUtilityPlant
|
6962100000 | USD |
CY2012Q4 | lnt |
Net Utility Plant
NetUtilityPlant
|
6942300000 | USD |
lnt |
Other Common Stock Activity
OtherCommonStockActivity
|
20357 | shares | |
CY2013Q3 | lnt |
Other Long Term Investments And Marketable Securities
OtherLongTermInvestmentsAndMarketableSecurities
|
56400000 | USD |
CY2012Q4 | lnt |
Other Long Term Investments And Marketable Securities
OtherLongTermInvestmentsAndMarketableSecurities
|
62000000 | USD |
lnt |
Payments To Acquire Productive Assets Business Line1
PaymentsToAcquireProductiveAssetsBusinessLine1
|
412700000 | USD | |
lnt |
Payments To Acquire Productive Assets Business Line1
PaymentsToAcquireProductiveAssetsBusinessLine1
|
524400000 | USD | |
lnt |
Payments To Acquire Productive Assets Business Line2
PaymentsToAcquireProductiveAssetsBusinessLine2
|
106300000 | USD | |
lnt |
Payments To Acquire Productive Assets Business Line2
PaymentsToAcquireProductiveAssetsBusinessLine2
|
35900000 | USD | |
CY2013Q3 | lnt |
Performance Guarantees Outstanding
PerformanceGuaranteesOutstanding
|
493000000 | USD |
CY2013Q3 | lnt |
Preferred Stock Fair Value
PreferredStockFairValue
|
169500000 | USD |
CY2013Q3 | lnt |
Present Value Abandonment Obligation
PresentValueAbandonmentObligation
|
31000000 | USD |
lnt |
Proceeds From Cash Grant
ProceedsFromCashGrant
|
0 | USD | |
lnt |
Proceeds From Cash Grant
ProceedsFromCashGrant
|
62400000 | USD | |
CY2012Q3 | lnt |
Production Tax Credits Net Of State Tax Impacts
ProductionTaxCreditsNetOfStateTaxImpacts
|
4500000 | USD |
CY2013Q3 | lnt |
Production Tax Credits Net Of State Tax Impacts
ProductionTaxCreditsNetOfStateTaxImpacts
|
5100000 | USD |
lnt |
Production Tax Credits Net Of State Tax Impacts
ProductionTaxCreditsNetOfStateTaxImpacts
|
22400000 | USD | |
lnt |
Production Tax Credits Net Of State Tax Impacts
ProductionTaxCreditsNetOfStateTaxImpacts
|
17700000 | USD | |
CY2013Q3 | lnt |
Property Plant And Equipment Nonregulated Business Line1
PropertyPlantAndEquipmentNonregulatedBusinessLine1
|
251400000 | USD |
CY2012Q4 | lnt |
Property Plant And Equipment Nonregulated Business Line1
PropertyPlantAndEquipmentNonregulatedBusinessLine1
|
258600000 | USD |
CY2013Q3 | lnt |
Property Plant And Equipment Nonregulated Business Line2
PropertyPlantAndEquipmentNonregulatedBusinessLine2
|
204700000 | USD |
CY2012Q4 | lnt |
Property Plant And Equipment Nonregulated Business Line2
PropertyPlantAndEquipmentNonregulatedBusinessLine2
|
197100000 | USD |
CY2013Q3 | lnt |
Public Utilities Property Plant And Equipment Electric
PublicUtilitiesPropertyPlantAndEquipmentElectric
|
9228400000 | USD |
CY2012Q4 | lnt |
Public Utilities Property Plant And Equipment Electric
PublicUtilitiesPropertyPlantAndEquipmentElectric
|
9070700000 | USD |
CY2013Q3 | lnt |
Public Utilities Property Plant And Equipment Gas
PublicUtilitiesPropertyPlantAndEquipmentGas
|
901400000 | USD |
CY2012Q4 | lnt |
Public Utilities Property Plant And Equipment Gas
PublicUtilitiesPropertyPlantAndEquipmentGas
|
878400000 | USD |
CY2013Q3 | lnt |
Public Utilities Property Plant And Equipment General
PublicUtilitiesPropertyPlantAndEquipmentGeneral
|
521600000 | USD |
CY2012Q4 | lnt |
Public Utilities Property Plant And Equipment General
PublicUtilitiesPropertyPlantAndEquipmentGeneral
|
506200000 | USD |
CY2013Q3 | lnt |
Total Deferred Credits And Other Liabilities
TotalDeferredCreditsAndOtherLiabilities
|
3355100000 | USD |
CY2013Q3 | lnt |
Weighted Average Interest Rate Short Term Debt
WeightedAverageInterestRateShortTermDebt
|
0.002 | |
lnt |
Weighted Average Interest Rate Short Term Debt
WeightedAverageInterestRateShortTermDebt
|
0.002 | ||
lnt |
Short Term Debt Weighted Average Remaining Maturity
ShortTermDebtWeightedAverageRemainingMaturity
|
P1D | ||
lnt |
Stautue Of Limitations Distributions
StautueOfLimitationsDistributions
|
P6Y | ||
CY2012Q4 | lnt |
Temporary Equity And Preferred Stock Fair Value
TemporaryEquityAndPreferredStockFairValue
|
212600000 | USD |
CY2012Q4 | lnt |
Total Deferred Credits And Other Liabilities
TotalDeferredCreditsAndOtherLiabilities
|
3287100000 | USD |
lnt |
Weighted Average Interest Rate Short Term Debt
WeightedAverageInterestRateShortTermDebt
|
0.004 | ||
CY2012Q3 | lnt |
Weighted Average Interest Rate Short Term Debt
WeightedAverageInterestRateShortTermDebt
|
0.004 | |
lnt |
Wholesale Power Supply Agreement Term
WholesalePowerSupplyAgreementTerm
|
P10Y | ||
lnt |
Wholesale Power Supply Agreement Termination Notice Term
WholesalePowerSupplyAgreementTerminationNoticeTerm
|
P5Y | ||
CY2013Q3 | lnt |
Wind Projects Generating Production Tax Credits
WindProjectsGeneratingProductionTaxCredits
|
3 | wind_projects |
dei |
Amendment Flag
AmendmentFlag
|
false | ||
dei |
Current Fiscal Year End Date
CurrentFiscalYearEndDate
|
--12-31 | ||
dei |
Document Fiscal Period Focus
DocumentFiscalPeriodFocus
|
Q3 | ||
dei |
Document Fiscal Year Focus
DocumentFiscalYearFocus
|
2013 | ||
dei |
Document Period End Date
DocumentPeriodEndDate
|
2013-09-30 | ||
dei |
Document Type
DocumentType
|
10-Q | ||
dei |
Entity Central Index Key
EntityCentralIndexKey
|
0000352541 | ||
CY2013Q3 | dei |
Entity Common Stock Shares Outstanding
EntityCommonStockSharesOutstanding
|
110943669 | shares |
dei |
Entity Filer Category
EntityFilerCategory
|
Large Accelerated Filer | ||
dei |
Entity Registrant Name
EntityRegistrantName
|
ALLIANT ENERGY CORP |