2017 Q4 Form 8-K Financial Statement
#000102163518000067 Filed on May 17, 2018
Income Statement
| Concept | 2017 Q4 | 2016 Q4 | 2016 Q3 |
|---|---|---|---|
| Revenue | $501.9M | $530.8M | $743.9M |
| YoY Change | -5.44% | 18.72% | 3.35% |
| Cost Of Revenue | $201.1M | $234.7M | $269.8M |
| YoY Change | -14.32% | 28.46% | 3.85% |
| Gross Profit | $300.8M | $296.1M | $474.1M |
| YoY Change | 1.59% | 11.99% | 3.07% |
| Gross Profit Margin | 59.93% | 55.78% | 63.73% |
| Selling, General & Admin | |||
| YoY Change | |||
| % of Gross Profit | |||
| Research & Development | |||
| YoY Change | |||
| % of Gross Profit | |||
| Depreciation & Amortization | $76.30M | $81.80M | $82.20M |
| YoY Change | -6.72% | 5.01% | 5.52% |
| % of Gross Profit | 25.37% | 27.63% | 17.34% |
| Operating Expenses | $215.1M | $186.4M | $216.8M |
| YoY Change | 15.4% | -14.34% | 3.63% |
| Operating Profit | $85.70M | $81.30M | $258.0M |
| YoY Change | 5.41% | 73.72% | 2.87% |
| Interest Expense | -$3.200M | -$12.10M | $35.40M |
| YoY Change | -73.55% | 32.97% | -4.32% |
| % of Operating Profit | -3.73% | -14.88% | 13.72% |
| Other Income/Expense, Net | $14.00M | -$21.50M | $40.80M |
| YoY Change | -165.12% | -557.45% | -161.72% |
| Pretax Income | $96.50M | $76.10M | $262.7M |
| YoY Change | 26.81% | 79.48% | 77.86% |
| Income Tax | $46.90M | $18.20M | $79.10M |
| % Of Pretax Income | 48.6% | 23.92% | 30.11% |
| Net Earnings | $294.8M | $57.90M | $183.6M |
| YoY Change | 409.15% | 96.94% | 65.11% |
| Net Earnings / Revenue | 58.74% | 10.91% | 24.68% |
| Basic Earnings Per Share | $1.48 | $0.29 | $0.92 |
| Diluted Earnings Per Share | $1.48 | $0.29 | $0.92 |
| COMMON SHARES | |||
| Basic Shares Outstanding | 199.7M shares | 199.7M shares | |
| Diluted Shares Outstanding | 199.9M shares |
Balance Sheet
| Concept | 2017 Q4 | 2016 Q4 | 2016 Q3 |
|---|---|---|---|
| SHORT-TERM ASSETS | |||
| Cash & Short-Term Investments | $14.00M | $0.00 | $0.00 |
| YoY Change | -100.0% | -100.0% | |
| Cash & Equivalents | $14.40M | $300.0K | $0.00 |
| Short-Term Investments | |||
| Other Short-Term Assets | $54.60M | $81.80M | $68.20M |
| YoY Change | -33.25% | 47.12% | 51.89% |
| Inventory | $84.30M | $79.80M | $87.60M |
| Prepaid Expenses | |||
| Receivables | $190.6M | $173.0M | $224.3M |
| Other Receivables | $5.000M | $19.00M | $17.00M |
| Total Short-Term Assets | $497.0M | $549.5M | $547.1M |
| YoY Change | -9.55% | -3.63% | -27.35% |
| LONG-TERM ASSETS | |||
| Property, Plant & Equipment | $8.340B | $7.696B | $7.534B |
| YoY Change | 8.36% | 5.1% | 5.13% |
| Goodwill | |||
| YoY Change | |||
| Intangibles | |||
| YoY Change | |||
| Long-Term Investments | $1.160B | $1.159B | $1.168B |
| YoY Change | 0.16% | -3.0% | -2.84% |
| Other Assets | $338.7M | $461.7M | $462.6M |
| YoY Change | -26.64% | 9.17% | 8.72% |
| Total Long-Term Assets | $9.916B | $9.390B | $9.237B |
| YoY Change | 5.6% | 4.21% | 4.4% |
| TOTAL ASSETS | |||
| Total Short-Term Assets | $497.0M | $549.5M | $547.1M |
| Total Long-Term Assets | $9.916B | $9.390B | $9.237B |
| Total Assets | $10.41B | $9.940B | $9.784B |
| YoY Change | 4.76% | 3.75% | 1.91% |
| SHORT-TERM LIABILITIES | |||
| YoY Change | |||
| Accounts Payable | $230.4M | $205.4M | $129.4M |
| YoY Change | 12.17% | -21.75% | 2.94% |
| Accrued Expenses | $80.00M | $86.00M | $67.00M |
| YoY Change | -6.98% | -11.34% | -5.63% |
| Deferred Revenue | |||
| YoY Change | |||
| Short-Term Debt | $168.4M | $236.2M | $213.2M |
| YoY Change | -28.7% | ||
| Long-Term Debt Due | $249.8M | $224.7M | $124.9M |
| YoY Change | 11.17% | 104.27% | 13.55% |
| Total Short-Term Liabilities | $950.5M | $1.027B | $795.3M |
| YoY Change | -7.47% | 36.45% | 35.53% |
| LONG-TERM LIABILITIES | |||
| Long-Term Debt | $2.750B | $2.406B | $2.505B |
| YoY Change | 14.29% | -8.48% | -5.3% |
| Other Long-Term Liabilities | $157.6M | $153.8M | $151.6M |
| YoY Change | 2.47% | 26.79% | 37.07% |
| Total Long-Term Liabilities | $2.907B | $2.560B | $2.657B |
| YoY Change | 13.58% | -6.93% | -3.6% |
| TOTAL LIABILITIES | |||
| Total Short-Term Liabilities | $950.5M | $1.027B | $795.3M |
| Total Long-Term Liabilities | $2.907B | $2.560B | $2.657B |
| Total Liabilities | $6.562B | $6.496B | $6.339B |
| YoY Change | 1.01% | 3.86% | 1.19% |
| SHAREHOLDERS EQUITY | |||
| Retained Earnings | $2.760B | $2.367B | $2.370B |
| YoY Change | 16.57% | 4.76% | 3.7% |
| Common Stock | $1.115B | $1.106B | |
| YoY Change | 0.81% | 0.41% | |
| Preferred Stock | |||
| YoY Change | |||
| Treasury Stock (at cost) | |||
| YoY Change | |||
| Treasury Stock Shares | |||
| Shareholders Equity | $3.851B | $3.444B | $3.445B |
| YoY Change | |||
| Total Liabilities & Shareholders Equity | $10.41B | $9.940B | $9.784B |
| YoY Change | 4.76% | 3.75% | 1.73% |
Cashflow Statement
| Concept | 2017 Q4 | 2016 Q4 | 2016 Q3 |
|---|---|---|---|
| OPERATING ACTIVITIES | |||
| Net Income | $294.8M | $57.90M | $183.6M |
| YoY Change | 409.15% | 96.94% | 65.11% |
| Depreciation, Depletion And Amortization | $76.30M | $81.80M | $82.20M |
| YoY Change | -6.72% | 5.01% | 5.52% |
| Cash From Operating Activities | $320.8M | $217.7M | $260.9M |
| YoY Change | 47.36% | -15.62% | -13.98% |
| INVESTING ACTIVITIES | |||
| Capital Expenditures | -$161.3M | -$193.4M | -$135.6M |
| YoY Change | -16.6% | 11.92% | -7.94% |
| Acquisitions | |||
| YoY Change | |||
| Other Investing Activities | -$300.0K | $13.50M | $800.0K |
| YoY Change | -102.22% | 56.98% | -97.84% |
| Cash From Investing Activities | -$161.6M | -$179.9M | -$134.8M |
| YoY Change | -10.17% | 9.56% | 22.32% |
| FINANCING ACTIVITIES | |||
| Cash Dividend Paid | |||
| YoY Change | |||
| Common Stock Issuance & Retirement, Net | |||
| YoY Change | |||
| Debt Paid & Issued, Net | |||
| YoY Change | |||
| Cash From Financing Activities | -144.8M | -37.50M | -126.1M |
| YoY Change | 286.13% | -39.42% | -15.82% |
| NET CHANGE | |||
| Cash From Operating Activities | 320.8M | 217.7M | 260.9M |
| Cash From Investing Activities | -161.6M | -179.9M | -134.8M |
| Cash From Financing Activities | -144.8M | -37.50M | -126.1M |
| Net Change In Cash | 14.40M | 300.0K | -0.00000008941 |
| YoY Change | 4700.0% | -99.06% | -100.0% |
| FREE CASH FLOW | |||
| Cash From Operating Activities | $320.8M | $217.7M | $260.9M |
| Capital Expenditures | -$161.3M | -$193.4M | -$135.6M |
| Free Cash Flow | $482.1M | $411.1M | $396.5M |
| YoY Change | 17.27% | -4.57% | -12.01% |
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100000 | USD |
| CY2017 | oge |
Other Comprehensive Income Postretirement Plans Net Unamortized Gain Loss Arising During Period Tax
OtherComprehensiveIncomePostretirementPlansNetUnamortizedGainLossArisingDuringPeriodTax
|
-200000 | USD |
| CY2015 | oge |
Other Comprehensive Income Prior Service Credit Arising During Period Recognized In Net Periodic Postretirement Cost Net Of Tax
OtherComprehensiveIncomePriorServiceCreditArisingDuringPeriodRecognizedInNetPeriodicPostretirementCostNetOfTax
|
0 | USD |
| CY2016 | oge |
Other Comprehensive Income Prior Service Credit Arising During Period Recognized In Net Periodic Postretirement Cost Net Of Tax
OtherComprehensiveIncomePriorServiceCreditArisingDuringPeriodRecognizedInNetPeriodicPostretirementCostNetOfTax
|
0 | USD |
| CY2017 | oge |
Other Comprehensive Income Prior Service Credit Arising During Period Recognized In Net Periodic Postretirement Cost Net Of Tax
OtherComprehensiveIncomePriorServiceCreditArisingDuringPeriodRecognizedInNetPeriodicPostretirementCostNetOfTax
|
500000 | USD |
| CY2015 | oge |
Other Comprehensive Income Reclassification Adjustment On Interest Rate Swaps Included In Net Income Tax
OtherComprehensiveIncomeReclassificationAdjustmentOnInterestRateSwapsIncludedInNetIncomeTax
|
0 | USD |
| CY2016 | oge |
Other Comprehensive Income Reclassification Adjustment On Interest Rate Swaps Included In Net Income Tax
OtherComprehensiveIncomeReclassificationAdjustmentOnInterestRateSwapsIncludedInNetIncomeTax
|
0 | USD |
| CY2017 | oge |
Other Comprehensive Income Reclassification Adjustment On Interest Rate Swaps Included In Net Income Tax
OtherComprehensiveIncomeReclassificationAdjustmentOnInterestRateSwapsIncludedInNetIncomeTax
|
0 | USD |
| CY2015 | oge |
Other Comprehensive Income Reclassification Of Defined Benefit Postretirement Plans Net Gain Loss Recognized In Net Periodic Benefit Cost Net Of Tax
OtherComprehensiveIncomeReclassificationOfDefinedBenefitPostretirementPlansNetGainLossRecognizedInNetPeriodicBenefitCostNetOfTax
|
-1200000 | USD |
| CY2016 | oge |
Other Comprehensive Income Reclassification Of Defined Benefit Postretirement Plans Net Gain Loss Recognized In Net Periodic Benefit Cost Net Of Tax
OtherComprehensiveIncomeReclassificationOfDefinedBenefitPostretirementPlansNetGainLossRecognizedInNetPeriodicBenefitCostNetOfTax
|
0 | USD |
| CY2017 | oge |
Other Comprehensive Income Reclassification Of Defined Benefit Postretirement Plans Net Gain Loss Recognized In Net Periodic Benefit Cost Net Of Tax
OtherComprehensiveIncomeReclassificationOfDefinedBenefitPostretirementPlansNetGainLossRecognizedInNetPeriodicBenefitCostNetOfTax
|
0 | USD |
| CY2015 | oge |
Other Comprehensive Income Reclassification Of Defined Benefit Postretirement Plans Net Gain Loss Recognized In Net Periodic Benefit Cost Tax
OtherComprehensiveIncomeReclassificationOfDefinedBenefitPostretirementPlansNetGainLossRecognizedInNetPeriodicBenefitCostTax
|
800000 | USD |
| CY2016 | oge |
Other Comprehensive Income Reclassification Of Defined Benefit Postretirement Plans Net Gain Loss Recognized In Net Periodic Benefit Cost Tax
OtherComprehensiveIncomeReclassificationOfDefinedBenefitPostretirementPlansNetGainLossRecognizedInNetPeriodicBenefitCostTax
|
0 | USD |
| CY2017 | oge |
Other Comprehensive Income Reclassification Of Defined Benefit Postretirement Plans Net Gain Loss Recognized In Net Periodic Benefit Cost Tax
OtherComprehensiveIncomeReclassificationOfDefinedBenefitPostretirementPlansNetGainLossRecognizedInNetPeriodicBenefitCostTax
|
0 | USD |
| CY2015 | oge |
Payments To Acquire Productive Assets Including Payments For Business Combination
PaymentsToAcquireProductiveAssetsIncludingPaymentsForBusinessCombination
|
547800000 | USD |
| CY2016 | oge |
Payments To Acquire Productive Assets Including Payments For Business Combination
PaymentsToAcquireProductiveAssetsIncludingPaymentsForBusinessCombination
|
660100000 | USD |
| CY2017 | oge |
Payments To Acquire Productive Assets Including Payments For Business Combination
PaymentsToAcquireProductiveAssetsIncludingPaymentsForBusinessCombination
|
824100000 | USD |
| CY2017Q4 | oge |
Percent Of Intangible Plant Balance Amortizable
PercentOfIntangiblePlantBalanceAmortizable
|
0.986 | |
| CY2017Q4 | oge |
Percent Of Intangible Plant Balance Amortizable Thereafter
PercentOfIntangiblePlantBalanceAmortizableThereafter
|
0.014 | |
| CY2017 | oge |
Percent Of Principal Amount Subject To Optional Tender
PercentOfPrincipalAmountSubjectToOptionalTender
|
1.0000 | |
| CY2017Q4 | oge |
Postretirement Plan Expected Future Benefit Payments In Year Five
PostretirementPlanExpectedFutureBenefitPaymentsInYearFive
|
11700000 | USD |
| CY2017Q4 | oge |
Postretirement Plan Expected Future Benefit Payments In Year Four
PostretirementPlanExpectedFutureBenefitPaymentsInYearFour
|
11600000 | USD |
| CY2017Q4 | oge |
Postretirement Plan Expected Future Benefit Payments In Year One
PostretirementPlanExpectedFutureBenefitPaymentsInYearOne
|
11400000 | USD |
| CY2017Q4 | oge |
Postretirement Plan Expected Future Benefit Payments In Year Three
PostretirementPlanExpectedFutureBenefitPaymentsInYearThree
|
11600000 | USD |
| CY2017Q4 | oge |
Postretirement Plan Expected Future Benefit Payments In Year Two
PostretirementPlanExpectedFutureBenefitPaymentsInYearTwo
|
11500000 | USD |
| CY2017Q4 | oge |
Postretirement Plan Expected Future Benefit Payments Thereafter
PostretirementPlanExpectedFutureBenefitPaymentsThereafter
|
48600000 | USD |
| CY2015 | oge |
Power Plant Long Term Service Agreement
PowerPlantLongTermServiceAgreement
|
2300000 | USD |
| CY2016 | oge |
Power Plant Long Term Service Agreement
PowerPlantLongTermServiceAgreement
|
39500000 | USD |
| CY2017 | oge |
Power Plant Long Term Service Agreement
PowerPlantLongTermServiceAgreement
|
2600000 | USD |
| CY2017 | oge |
Projectedprovisionfordepreciationinnextfiscalyear
Projectedprovisionfordepreciationinnextfiscalyear
|
0.027 | |
| CY2015 | oge |
Proportionate Shareof Unconsolidated Affiliate Net Income
ProportionateShareofUnconsolidatedAffiliateNetIncome
|
-16000000 | USD |
| CY2016 | oge |
Proportionate Shareof Unconsolidated Affiliate Net Income
ProportionateShareofUnconsolidatedAffiliateNetIncome
|
73300000 | USD |
| CY2017 | oge |
Proportionate Shareof Unconsolidated Affiliate Net Income
ProportionateShareofUnconsolidatedAffiliateNetIncome
|
102700000 | USD |
| CY2015 | oge |
Proportionate Unconsolidated Affiliate Net Income
ProportionateUnconsolidatedAffiliateNetIncome
|
-194400000 | USD |
| CY2016 | oge |
Proportionate Unconsolidated Affiliate Net Income
ProportionateUnconsolidatedAffiliateNetIncome
|
70700000 | USD |
| CY2017 | oge |
Proportionate Unconsolidated Affiliate Net Income
ProportionateUnconsolidatedAffiliateNetIncome
|
102700000 | USD |
| CY2016 | oge |
Provision For Depreciation Rate
ProvisionForDepreciationRate
|
0.030 | |
| CY2017 | oge |
Provision For Depreciation Rate
ProvisionForDepreciationRate
|
0.025 | |
| CY2017Q4 | oge |
Ratioof Consolidated Debtto Consolidated Capitalization
RatioofConsolidatedDebttoConsolidatedCapitalization
|
0.6500 | |
| CY2017 | oge |
Recommended Disallowancefor Fuel Adjustment
RecommendedDisallowanceforFuelAdjustment
|
3300000 | USD |
| CY2017 | oge |
Reductioninincometaxexpense
Reductioninincometaxexpense
|
234700000 | USD |
| CY2017 | oge |
Reductioninnetdeferredincometaxliability
Reductioninnetdeferredincometaxliability
|
1273000000 | USD |
| CY2015 | oge |
Timing Differences Relatedto Equity Method Investee Net Income
TimingDifferencesRelatedtoEquityMethodInvesteeNetIncome
|
12100000 | USD |
| CY2016 | oge |
Timing Differences Relatedto Equity Method Investee Net Income
TimingDifferencesRelatedtoEquityMethodInvesteeNetIncome
|
-12200000 | USD |
| CY2017 | oge |
Timing Differences Relatedto Equity Method Investee Net Income
TimingDifferencesRelatedtoEquityMethodInvesteeNetIncome
|
0 | USD |
| CY2016Q4 | us-gaap |
Accounts Payable Current
AccountsPayableCurrent
|
205400000 | USD |
| CY2017Q4 | us-gaap |
Accounts Payable Current
AccountsPayableCurrent
|
230400000 | USD |
| CY2016Q4 | us-gaap |
Accounts Receivable Net Current
AccountsReceivableNetCurrent
|
173000000 | USD |
| CY2017Q4 | us-gaap |
Accounts Receivable Net Current
AccountsReceivableNetCurrent
|
188700000 | USD |
| CY2016Q4 | us-gaap |
Accounts Receivable Related Parties Current
AccountsReceivableRelatedPartiesCurrent
|
2500000 | USD |
| CY2017Q4 | us-gaap |
Accounts Receivable Related Parties Current
AccountsReceivableRelatedPartiesCurrent
|
1900000 | USD |
| CY2016Q4 | us-gaap |
Accrued Environmental Loss Contingencies Noncurrent
AccruedEnvironmentalLossContingenciesNoncurrent
|
13900000 | USD |
| CY2017Q4 | us-gaap |
Accrued Environmental Loss Contingencies Noncurrent
AccruedEnvironmentalLossContingenciesNoncurrent
|
17100000 | USD |
| CY2016Q4 | us-gaap |
Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
|
3488900000 | USD |
| CY2017Q4 | us-gaap |
Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
|
3568800000 | USD |
| CY2015Q4 | us-gaap |
Accumulated Other Comprehensive Income Loss Net Of Tax
AccumulatedOtherComprehensiveIncomeLossNetOfTax
|
-35100000 | USD |
| CY2016Q4 | us-gaap |
Accumulated Other Comprehensive Income Loss Net Of Tax
AccumulatedOtherComprehensiveIncomeLossNetOfTax
|
-29300000 | USD |
| CY2017Q4 | us-gaap |
Accumulated Other Comprehensive Income Loss Net Of Tax
AccumulatedOtherComprehensiveIncomeLossNetOfTax
|
-23200000 | USD |
| CY2016Q4 | us-gaap |
Additional Paid In Capital Common Stock
AdditionalPaidInCapitalCommonStock
|
1103800000 | USD |
| CY2017Q4 | us-gaap |
Additional Paid In Capital Common Stock
AdditionalPaidInCapitalCommonStock
|
1112800000 | USD |
| CY2015 | us-gaap |
Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value
AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
|
6500000 | USD |
| CY2016 | us-gaap |
Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value
AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
|
4500000 | USD |
| CY2017 | us-gaap |
Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value
AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
|
9100000 | USD |
| CY2016Q4 | us-gaap |
Allowance For Doubtful Accounts Receivable
AllowanceForDoubtfulAccountsReceivable
|
1500000 | USD |
| CY2017Q4 | us-gaap |
Allowance For Doubtful Accounts Receivable
AllowanceForDoubtfulAccountsReceivable
|
1500000 | USD |
| CY2015 | us-gaap |
Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount
AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
|
0 | shares |
| CY2016 | us-gaap |
Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount
AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
|
0 | shares |
| CY2017 | us-gaap |
Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount
AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
|
0 | shares |
| CY2015Q4 | us-gaap |
Asset Retirement Obligation
AssetRetirementObligation
|
63300000 | USD |
| CY2016Q4 | us-gaap |
Asset Retirement Obligation
AssetRetirementObligation
|
69600000 | USD |
| CY2017Q4 | us-gaap |
Asset Retirement Obligation
AssetRetirementObligation
|
75100000 | USD |
| CY2016 | us-gaap |
Asset Retirement Obligation Accretion Expense
AssetRetirementObligationAccretionExpense
|
2800000 | USD |
| CY2017 | us-gaap |
Asset Retirement Obligation Accretion Expense
AssetRetirementObligationAccretionExpense
|
3100000 | USD |
| CY2016 | us-gaap |
Asset Retirement Obligation Liabilities Settled
AssetRetirementObligationLiabilitiesSettled
|
100000 | USD |
| CY2017 | us-gaap |
Asset Retirement Obligation Liabilities Settled
AssetRetirementObligationLiabilitiesSettled
|
0 | USD |
| CY2016 | us-gaap |
Asset Retirement Obligation Revision Of Estimate
AssetRetirementObligationRevisionOfEstimate
|
3600000 | USD |
| CY2017 | us-gaap |
Asset Retirement Obligation Revision Of Estimate
AssetRetirementObligationRevisionOfEstimate
|
2400000 | USD |
| CY2015Q4 | us-gaap |
Assets
Assets
|
9580600000 | USD |
| CY2016Q4 | us-gaap |
Assets
Assets
|
9939600000 | USD |
| CY2017Q4 | us-gaap |
Assets
Assets
|
10412700000 | USD |
| CY2016Q4 | us-gaap |
Assets Current
AssetsCurrent
|
549500000 | USD |
| CY2017Q4 | us-gaap |
Assets Current
AssetsCurrent
|
497000000 | USD |
| CY2016Q4 | us-gaap |
Capitalization Longterm Debt And Equity
CapitalizationLongtermDebtAndEquity
|
6074300000 | USD |
| CY2017Q4 | us-gaap |
Capitalization Longterm Debt And Equity
CapitalizationLongtermDebtAndEquity
|
6850500000 | USD |
| CY2015 | us-gaap |
Capitalized Computer Software Amortization1
CapitalizedComputerSoftwareAmortization1
|
8900000 | USD |
| CY2016 | us-gaap |
Capitalized Computer Software Amortization1
CapitalizedComputerSoftwareAmortization1
|
9400000 | USD |
| CY2017 | us-gaap |
Capitalized Computer Software Amortization1
CapitalizedComputerSoftwareAmortization1
|
9000000 | USD |
| CY2016Q4 | us-gaap |
Capitalized Computer Software Net
CapitalizedComputerSoftwareNet
|
37500000 | USD |
| CY2017Q4 | us-gaap |
Capitalized Computer Software Net
CapitalizedComputerSoftwareNet
|
37500000 | USD |
| CY2014Q4 | us-gaap |
Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
|
5500000 | USD |
| CY2015Q4 | us-gaap |
Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
|
75200000 | USD |
| CY2016Q4 | us-gaap |
Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
|
300000 | USD |
| CY2017Q4 | us-gaap |
Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
|
14400000 | USD |
| CY2015 | us-gaap |
Cash And Cash Equivalents Period Increase Decrease
CashAndCashEquivalentsPeriodIncreaseDecrease
|
69700000 | USD |
| CY2016 | us-gaap |
Cash And Cash Equivalents Period Increase Decrease
CashAndCashEquivalentsPeriodIncreaseDecrease
|
-74900000 | USD |
| CY2017 | us-gaap |
Cash And Cash Equivalents Period Increase Decrease
CashAndCashEquivalentsPeriodIncreaseDecrease
|
14100000 | USD |
| CY2016Q4 | us-gaap |
Commitments And Contingencies
CommitmentsAndContingencies
|
USD | |
| CY2017Q4 | us-gaap |
Commitments And Contingencies
CommitmentsAndContingencies
|
USD | |
| CY2015 | us-gaap |
Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
|
1.05000 | |
| CY2016 | us-gaap |
Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
|
1.15500 | |
| CY2017 | us-gaap |
Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
|
1.27000 | |
| CY2016Q4 | us-gaap |
Common Stock Par Or Stated Value Per Share
CommonStockParOrStatedValuePerShare
|
0.01 | |
| CY2017Q4 | us-gaap |
Common Stock Par Or Stated Value Per Share
CommonStockParOrStatedValuePerShare
|
0.01 | |
| CY2016Q4 | us-gaap |
Common Stock Shares Authorized
CommonStockSharesAuthorized
|
450000000 | shares |
| CY2017Q4 | us-gaap |
Common Stock Shares Authorized
CommonStockSharesAuthorized
|
450000000 | shares |
| CY2016Q4 | us-gaap |
Common Stock Shares Outstanding
CommonStockSharesOutstanding
|
199700000 | shares |
| CY2017Q4 | us-gaap |
Common Stock Shares Outstanding
CommonStockSharesOutstanding
|
199700000 | shares |
| CY2016Q4 | us-gaap |
Common Stock Value
CommonStockValue
|
2000000 | USD |
| CY2017Q4 | us-gaap |
Common Stock Value
CommonStockValue
|
2000000 | USD |
| CY2016Q4 | us-gaap |
Common Stocks Including Additional Paid In Capital
CommonStocksIncludingAdditionalPaidInCapital
|
1105800000 | USD |
| CY2017Q4 | us-gaap |
Common Stocks Including Additional Paid In Capital
CommonStocksIncludingAdditionalPaidInCapital
|
1114800000 | USD |
| CY2015 | us-gaap |
Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest
ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest
|
277600000 | USD |
| CY2016 | us-gaap |
Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest
ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest
|
344000000 | USD |
| CY2017 | us-gaap |
Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest
ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest
|
629600000 | USD |
| CY2016Q4 | us-gaap |
Construction In Progress Gross
ConstructionInProgressGross
|
495100000 | USD |
| CY2017Q4 | us-gaap |
Construction In Progress Gross
ConstructionInProgressGross
|
867500000 | USD |
| CY2015 | us-gaap |
Cost Of Goods And Services Sold
CostOfGoodsAndServicesSold
|
865000000 | USD |
| CY2016 | us-gaap |
Cost Of Goods And Services Sold
CostOfGoodsAndServicesSold
|
880100000 | USD |
| CY2017 | us-gaap |
Cost Of Goods And Services Sold
CostOfGoodsAndServicesSold
|
897600000 | USD |
| CY2015 | us-gaap |
Current Federal Tax Expense Benefit
CurrentFederalTaxExpenseBenefit
|
0 | USD |
| CY2016 | us-gaap |
Current Federal Tax Expense Benefit
CurrentFederalTaxExpenseBenefit
|
0 | USD |
| CY2017 | us-gaap |
Current Federal Tax Expense Benefit
CurrentFederalTaxExpenseBenefit
|
4900000 | USD |
| CY2015 | us-gaap |
Current Income Tax Expense Benefit
CurrentIncomeTaxExpenseBenefit
|
-5200000 | USD |
| CY2016 | us-gaap |
Current Income Tax Expense Benefit
CurrentIncomeTaxExpenseBenefit
|
-5700000 | USD |
| CY2017 | us-gaap |
Current Income Tax Expense Benefit
CurrentIncomeTaxExpenseBenefit
|
700000 | USD |
| CY2015 | us-gaap |
Current State And Local Tax Expense Benefit
CurrentStateAndLocalTaxExpenseBenefit
|
-5200000 | USD |
| CY2016 | us-gaap |
Current State And Local Tax Expense Benefit
CurrentStateAndLocalTaxExpenseBenefit
|
-5700000 | USD |
| CY2017 | us-gaap |
Current State And Local Tax Expense Benefit
CurrentStateAndLocalTaxExpenseBenefit
|
-4200000 | USD |
| CY2016Q4 | us-gaap |
Customer Deposits Current
CustomerDepositsCurrent
|
77700000 | USD |
| CY2017Q4 | us-gaap |
Customer Deposits Current
CustomerDepositsCurrent
|
80700000 | USD |
| CY2016Q4 | us-gaap |
Customer Refund Liability Current
CustomerRefundLiabilityCurrent
|
0 | USD |
| CY2017Q4 | us-gaap |
Customer Refund Liability Current
CustomerRefundLiabilityCurrent
|
1700000 | USD |
| CY2015 | us-gaap |
Deferred Federal Income Tax Expense Benefit
DeferredFederalIncomeTaxExpenseBenefit
|
98800000 | USD |
| CY2016 | us-gaap |
Deferred Federal Income Tax Expense Benefit
DeferredFederalIncomeTaxExpenseBenefit
|
126000000 | USD |
| CY2017 | us-gaap |
Deferred Federal Income Tax Expense Benefit
DeferredFederalIncomeTaxExpenseBenefit
|
-75900000 | USD |
| CY2016Q4 | us-gaap |
Deferred Fuel Cost
DeferredFuelCost
|
51300000 | USD |
| CY2017Q4 | us-gaap |
Deferred Fuel Cost
DeferredFuelCost
|
0 | USD |
| CY2015 | us-gaap |
Deferred Income Tax Expense Benefit
DeferredIncomeTaxExpenseBenefit
|
103300000 | USD |
| CY2016 | us-gaap |
Deferred Income Tax Expense Benefit
DeferredIncomeTaxExpenseBenefit
|
154000000 | USD |
| CY2017 | us-gaap |
Deferred Income Tax Expense Benefit
DeferredIncomeTaxExpenseBenefit
|
-49900000 | USD |
| CY2015 | us-gaap |
Deferred Income Taxes And Tax Credits
DeferredIncomeTaxesAndTaxCredits
|
102600000 | USD |
| CY2016 | us-gaap |
Deferred Income Taxes And Tax Credits
DeferredIncomeTaxesAndTaxCredits
|
153800000 | USD |
| CY2017 | us-gaap |
Deferred Income Taxes And Tax Credits
DeferredIncomeTaxesAndTaxCredits
|
-50000000 | USD |
| CY2015 | us-gaap |
Deferred State And Local Income Tax Expense Benefit
DeferredStateAndLocalIncomeTaxExpenseBenefit
|
4500000 | USD |
| CY2016 | us-gaap |
Deferred State And Local Income Tax Expense Benefit
DeferredStateAndLocalIncomeTaxExpenseBenefit
|
28000000 | USD |
| CY2017 | us-gaap |
Deferred State And Local Income Tax Expense Benefit
DeferredStateAndLocalIncomeTaxExpenseBenefit
|
26000000 | USD |
| CY2017Q4 | us-gaap |
Deferred Storm And Property Reserve Deficiency Current
DeferredStormAndPropertyReserveDeficiencyCurrent
|
2700000 | USD |
| CY2016Q4 | us-gaap |
Deferred Tax Assets Other
DeferredTaxAssetsOther
|
14000000 | USD |
| CY2017Q4 | us-gaap |
Deferred Tax Assets Other
DeferredTaxAssetsOther
|
900000 | USD |
| CY2016Q4 | us-gaap |
Deferred Tax Assets Tax Credit Carryforwards
DeferredTaxAssetsTaxCreditCarryforwards
|
220600000 | USD |
| CY2017Q4 | us-gaap |
Deferred Tax Assets Tax Credit Carryforwards
DeferredTaxAssetsTaxCreditCarryforwards
|
218500000 | USD |
| CY2016Q4 | us-gaap |
Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Postretirement Benefits
DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits
|
-48900000 | USD |
| CY2017Q4 | us-gaap |
Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Postretirement Benefits
DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits
|
-25200000 | USD |
| CY2016Q4 | us-gaap |
Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities
DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities
|
16100000 | USD |
| CY2017Q4 | us-gaap |
Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities
DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities
|
7400000 | USD |
| CY2016Q4 | us-gaap |
Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Allowance For Doubtful Accounts
DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts
|
600000 | USD |
| CY2017Q4 | us-gaap |
Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Allowance For Doubtful Accounts
DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts
|
400000 | USD |
| CY2016Q4 | us-gaap |
Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Asset Retirement Obligations
DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAssetRetirementObligations
|
24500000 | USD |
| CY2017Q4 | us-gaap |
Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Asset Retirement Obligations
DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAssetRetirementObligations
|
19200000 | USD |
| CY2016Q4 | us-gaap |
Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Other
DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther
|
3500000 | USD |
| CY2017Q4 | us-gaap |
Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Other
DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther
|
2100000 | USD |
| CY2016Q4 | us-gaap |
Deferred Tax Liabilities Derivatives
DeferredTaxLiabilitiesDerivatives
|
2200000 | USD |
| CY2017Q4 | us-gaap |
Deferred Tax Liabilities Derivatives
DeferredTaxLiabilitiesDerivatives
|
1600000 | USD |
| CY2016Q4 | us-gaap |
Deferred Tax Liabilities Noncurrent
DeferredTaxLiabilitiesNoncurrent
|
2334500000 | USD |
| CY2017Q4 | us-gaap |
Deferred Tax Liabilities Noncurrent
DeferredTaxLiabilitiesNoncurrent
|
1227800000 | USD |
| CY2016Q4 | us-gaap |
Deferred Tax Liabilities Prepaid Expenses
DeferredTaxLiabilitiesPrepaidExpenses
|
16500000 | USD |
| CY2017Q4 | us-gaap |
Deferred Tax Liabilities Prepaid Expenses
DeferredTaxLiabilitiesPrepaidExpenses
|
11500000 | USD |
| CY2016Q4 | us-gaap |
Deferred Tax Liabilities Property Plant And Equipment
DeferredTaxLiabilitiesPropertyPlantAndEquipment
|
2103200000 | USD |
| CY2017Q4 | us-gaap |
Deferred Tax Liabilities Property Plant And Equipment
DeferredTaxLiabilitiesPropertyPlantAndEquipment
|
1449600000 | USD |
| CY2016Q4 | us-gaap |
Deferred Tax Liabilities Regulatory Assets
DeferredTaxLiabilitiesRegulatoryAssets
|
34400000 | USD |
| CY2017Q4 | us-gaap |
Deferred Tax Liabilities Regulatory Assets
DeferredTaxLiabilitiesRegulatoryAssets
|
18900000 | USD |
| CY2015 | us-gaap |
Defined Benefit Plan Effect Of One Percentage Point Decrease On Accumulated Postretirement Benefit Obligation1
DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnAccumulatedPostretirementBenefitObligation1
|
700000 | USD |
| CY2016 | us-gaap |
Defined Benefit Plan Effect Of One Percentage Point Decrease On Accumulated Postretirement Benefit Obligation1
DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnAccumulatedPostretirementBenefitObligation1
|
700000 | USD |
| CY2017 | us-gaap |
Defined Benefit Plan Effect Of One Percentage Point Decrease On Accumulated Postretirement Benefit Obligation1
DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnAccumulatedPostretirementBenefitObligation1
|
300000 | USD |
| CY2015 | us-gaap |
Defined Benefit Plan Effect Of One Percentage Point Decrease On Service And Interest Cost Components1
DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnServiceAndInterestCostComponents1
|
100000 | USD |
| CY2016 | us-gaap |
Defined Benefit Plan Effect Of One Percentage Point Decrease On Service And Interest Cost Components1
DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnServiceAndInterestCostComponents1
|
0 | USD |
| CY2017 | us-gaap |
Defined Benefit Plan Effect Of One Percentage Point Decrease On Service And Interest Cost Components1
DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnServiceAndInterestCostComponents1
|
0 | USD |
| CY2015 | us-gaap |
Defined Benefit Plan Effect Of One Percentage Point Increase On Accumulated Postretirement Benefit Obligation
DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnAccumulatedPostretirementBenefitObligation
|
200000 | USD |
| CY2016 | us-gaap |
Defined Benefit Plan Effect Of One Percentage Point Increase On Accumulated Postretirement Benefit Obligation
DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnAccumulatedPostretirementBenefitObligation
|
200000 | USD |
| CY2017 | us-gaap |
Defined Benefit Plan Effect Of One Percentage Point Increase On Accumulated Postretirement Benefit Obligation
DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnAccumulatedPostretirementBenefitObligation
|
100000 | USD |
| CY2015 | us-gaap |
Defined Benefit Plan Effect Of One Percentage Point Increase On Service And Interest Cost Components
DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnServiceAndInterestCostComponents
|
0 | USD |
| CY2016 | us-gaap |
Defined Benefit Plan Effect Of One Percentage Point Increase On Service And Interest Cost Components
DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnServiceAndInterestCostComponents
|
0 | USD |
| CY2017 | us-gaap |
Defined Benefit Plan Effect Of One Percentage Point Increase On Service And Interest Cost Components
DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnServiceAndInterestCostComponents
|
0 | USD |
| CY2017Q4 | us-gaap |
Defined Benefit Plan Expected Future Benefit Payments Five Fiscal Years Thereafter
DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter
|
285000000 | USD |
| CY2017Q4 | us-gaap |
Defined Benefit Plan Expected Future Benefit Payments Next Twelve Months
DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths
|
65600000 | USD |
| CY2017Q4 | us-gaap |
Defined Benefit Plan Expected Future Benefit Payments Year Five
DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive
|
61100000 | USD |
| CY2017Q4 | us-gaap |
Defined Benefit Plan Expected Future Benefit Payments Year Four
DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour
|
62300000 | USD |
| CY2017Q4 | us-gaap |
Defined Benefit Plan Expected Future Benefit Payments Year Three
DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree
|
63400000 | USD |
| CY2017Q4 | us-gaap |
Defined Benefit Plan Expected Future Benefit Payments Year Two
DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo
|
62000000 | USD |
| CY2015 | us-gaap |
Defined Benefit Plan Net Periodic Benefit Cost
DefinedBenefitPlanNetPeriodicBenefitCost
|
40200000 | USD |
| CY2016 | us-gaap |
Defined Benefit Plan Net Periodic Benefit Cost
DefinedBenefitPlanNetPeriodicBenefitCost
|
22500000 | USD |
| CY2017 | us-gaap |
Defined Benefit Plan Net Periodic Benefit Cost
DefinedBenefitPlanNetPeriodicBenefitCost
|
32900000 | USD |
| us-gaap |
Defined Benefit Plan Plan Amendments
DefinedBenefitPlanPlanAmendments
|
42900000 | USD | |
| us-gaap |
Defined Benefit Plan Settlements Benefit Obligation
DefinedBenefitPlanSettlementsBenefitObligation
|
27900000 | USD | |
| us-gaap |
Defined Benefit Plan Settlements Plan Assets
DefinedBenefitPlanSettlementsPlanAssets
|
26400000 | USD | |
| CY2015 | us-gaap |
Defined Contribution Plan Cost Recognized
DefinedContributionPlanCostRecognized
|
11600000 | USD |
| CY2016 | us-gaap |
Defined Contribution Plan Cost Recognized
DefinedContributionPlanCostRecognized
|
11900000 | USD |
| CY2017 | us-gaap |
Defined Contribution Plan Cost Recognized
DefinedContributionPlanCostRecognized
|
13200000 | USD |
| CY2017 | us-gaap |
Defined Contribution Plan Employer Matching Contribution Percent
DefinedContributionPlanEmployerMatchingContributionPercent
|
0.05 | |
| CY2017 | us-gaap |
Defined Contribution Plan Employer Matching Contribution Percent Of Match
DefinedContributionPlanEmployerMatchingContributionPercentOfMatch
|
2.00 | |
| CY2015 | us-gaap |
Depreciation Amortization And Accretion Net
DepreciationAmortizationAndAccretionNet
|
307900000 | USD |
| CY2016 | us-gaap |
Depreciation Amortization And Accretion Net
DepreciationAmortizationAndAccretionNet
|
322600000 | USD |
| CY2017 | us-gaap |
Depreciation Amortization And Accretion Net
DepreciationAmortizationAndAccretionNet
|
283500000 | USD |
| CY2015 | us-gaap |
Depreciation And Amortization
DepreciationAndAmortization
|
307900000 | USD |
| CY2016 | us-gaap |
Depreciation And Amortization
DepreciationAndAmortization
|
322600000 | USD |
| CY2017 | us-gaap |
Depreciation And Amortization
DepreciationAndAmortization
|
283500000 | USD |
| CY2017 | us-gaap |
Distribution Made To Limited Partner Distributions Declared Per Unit
DistributionMadeToLimitedPartnerDistributionsDeclaredPerUnit
|
0.31800 | |
| CY2015 | us-gaap |
Dividends Common Stock Cash
DividendsCommonStockCash
|
209700000 | USD |
| CY2016 | us-gaap |
Dividends Common Stock Cash
DividendsCommonStockCash
|
230700000 | USD |
| CY2017 | us-gaap |
Dividends Common Stock Cash
DividendsCommonStockCash
|
253600000 | USD |
| CY2016Q4 | us-gaap |
Dividends Payable Current
DividendsPayableCurrent
|
60400000 | USD |
| CY2017Q4 | us-gaap |
Dividends Payable Current
DividendsPayableCurrent
|
66400000 | USD |
| CY2015 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
1.36 | |
| CY2016Q1 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
0.13 | |
| CY2016Q2 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
0.35 | |
| CY2016Q3 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
0.92 | |
| CY2016Q4 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
0.29 | |
| CY2016 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
1.69 | |
| CY2017Q1 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
0.18 | |
| CY2017Q2 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
0.52 | |
| CY2017Q3 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
0.92 | |
| CY2017Q4 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
1.48 | |
| CY2017 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
3.10 | |
| CY2015 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
1.36 | |
| CY2016Q1 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
0.13 | |
| CY2016Q2 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
0.35 | |
| CY2016Q3 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
0.92 | |
| CY2016Q4 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
0.29 | |
| CY2016 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
1.69 | |
| CY2017Q1 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
0.18 | |
| CY2017Q2 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
0.52 | |
| CY2017Q3 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
0.92 | |
| CY2017Q4 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
1.48 | |
| CY2017 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
3.10 | |
| CY2015 | us-gaap |
Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
|
0.264 | |
| CY2016 | us-gaap |
Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
|
0.305 | |
| CY2017 | us-gaap |
Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
|
-0.086 | |
| CY2015 | us-gaap |
Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
|
0.350 | |
| CY2016 | us-gaap |
Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
|
0.350 | |
| CY2017 | us-gaap |
Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
|
0.350 | |
| CY2015 | us-gaap |
Effective Income Tax Rate Reconciliation Deductions Employee Stock Ownership Plan Dividends
EffectiveIncomeTaxRateReconciliationDeductionsEmployeeStockOwnershipPlanDividends
|
-0.007 | |
| CY2016 | us-gaap |
Effective Income Tax Rate Reconciliation Deductions Employee Stock Ownership Plan Dividends
EffectiveIncomeTaxRateReconciliationDeductionsEmployeeStockOwnershipPlanDividends
|
-0.006 | |
| CY2017 | us-gaap |
Effective Income Tax Rate Reconciliation Deductions Employee Stock Ownership Plan Dividends
EffectiveIncomeTaxRateReconciliationDeductionsEmployeeStockOwnershipPlanDividends
|
-0.005 | |
| CY2015 | us-gaap |
Effective Income Tax Rate Reconciliation Other Adjustments
EffectiveIncomeTaxRateReconciliationOtherAdjustments
|
0.003 | |
| CY2016 | us-gaap |
Effective Income Tax Rate Reconciliation Other Adjustments
EffectiveIncomeTaxRateReconciliationOtherAdjustments
|
0.001 | |
| CY2017 | us-gaap |
Effective Income Tax Rate Reconciliation Other Adjustments
EffectiveIncomeTaxRateReconciliationOtherAdjustments
|
-0.001 | |
| CY2015 | us-gaap |
Effective Income Tax Rate Reconciliation State And Local Income Taxes
EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes
|
0.001 | |
| CY2016 | us-gaap |
Effective Income Tax Rate Reconciliation State And Local Income Taxes
EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes
|
0.019 | |
| CY2017 | us-gaap |
Effective Income Tax Rate Reconciliation State And Local Income Taxes
EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes
|
0.020 | |
| CY2015 | us-gaap |
Effective Income Tax Rate Reconciliation Tax Contingencies
EffectiveIncomeTaxRateReconciliationTaxContingencies
|
0.007 | |
| CY2016 | us-gaap |
Effective Income Tax Rate Reconciliation Tax Contingencies
EffectiveIncomeTaxRateReconciliationTaxContingencies
|
0.001 | |
| CY2017 | us-gaap |
Effective Income Tax Rate Reconciliation Tax Contingencies
EffectiveIncomeTaxRateReconciliationTaxContingencies
|
0.000 | |
| CY2015 | us-gaap |
Effective Income Tax Rate Reconciliation Tax Credits Investment
EffectiveIncomeTaxRateReconciliationTaxCreditsInvestment
|
-0.002 | |
| CY2016 | us-gaap |
Effective Income Tax Rate Reconciliation Tax Credits Investment
EffectiveIncomeTaxRateReconciliationTaxCreditsInvestment
|
-0.008 | |
| CY2017 | us-gaap |
Effective Income Tax Rate Reconciliation Tax Credits Investment
EffectiveIncomeTaxRateReconciliationTaxCreditsInvestment
|
-0.001 | |
| CY2015 | us-gaap |
Effective Income Tax Rate Reconciliation Tax Credits Other
EffectiveIncomeTaxRateReconciliationTaxCreditsOther
|
-0.089 | |
| CY2016 | us-gaap |
Effective Income Tax Rate Reconciliation Tax Credits Other
EffectiveIncomeTaxRateReconciliationTaxCreditsOther
|
-0.068 | |
| CY2017 | us-gaap |
Effective Income Tax Rate Reconciliation Tax Credits Other
EffectiveIncomeTaxRateReconciliationTaxCreditsOther
|
-0.048 | |
| CY2016Q4 | us-gaap |
Employee Related Liabilities Current
EmployeeRelatedLiabilitiesCurrent
|
45100000 | USD |
| CY2017Q4 | us-gaap |
Employee Related Liabilities Current
EmployeeRelatedLiabilitiesCurrent
|
35900000 | USD |
| CY2017Q4 | us-gaap |
Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized
EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
|
11200000 | USD |
| CY2015 | us-gaap |
Employee Service Share Based Compensation Tax Benefit From Compensation Expense
EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense
|
3100000 | USD |
| CY2016 | us-gaap |
Employee Service Share Based Compensation Tax Benefit From Compensation Expense
EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense
|
1800000 | USD |
| CY2017 | us-gaap |
Employee Service Share Based Compensation Tax Benefit From Compensation Expense
EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense
|
3500000 | USD |
| CY2016Q4 | us-gaap |
Equity Method Investment Difference Between Carrying Amount And Underlying Equity
EquityMethodInvestmentDifferenceBetweenCarryingAmountAndUnderlyingEquity
|
743700000 | USD |
| CY2017Q4 | us-gaap |
Equity Method Investment Difference Between Carrying Amount And Underlying Equity
EquityMethodInvestmentDifferenceBetweenCarryingAmountAndUnderlyingEquity
|
714200000 | USD |
| CY2015 | us-gaap |
Equity Method Investment Summarized Financial Information Cost Of Sales
EquityMethodInvestmentSummarizedFinancialInformationCostOfSales
|
1097000000 | USD |
| CY2016 | us-gaap |
Equity Method Investment Summarized Financial Information Cost Of Sales
EquityMethodInvestmentSummarizedFinancialInformationCostOfSales
|
1017000000 | USD |
| CY2017 | us-gaap |
Equity Method Investment Summarized Financial Information Cost Of Sales
EquityMethodInvestmentSummarizedFinancialInformationCostOfSales
|
1381000000 | USD |
| CY2016Q4 | us-gaap |
Equity Method Investment Summarized Financial Information Current Assets
EquityMethodInvestmentSummarizedFinancialInformationCurrentAssets
|
396000000 | USD |
| CY2017Q4 | us-gaap |
Equity Method Investment Summarized Financial Information Current Assets
EquityMethodInvestmentSummarizedFinancialInformationCurrentAssets
|
416000000 | USD |
| CY2016Q4 | us-gaap |
Equity Method Investment Summarized Financial Information Current Liabilities
EquityMethodInvestmentSummarizedFinancialInformationCurrentLiabilities
|
362000000 | USD |
| CY2017Q4 | us-gaap |
Equity Method Investment Summarized Financial Information Current Liabilities
EquityMethodInvestmentSummarizedFinancialInformationCurrentLiabilities
|
1279000000 | USD |
| CY2015 | us-gaap |
Equity Method Investment Summarized Financial Information Net Income Loss
EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss
|
-752000000 | USD |
| CY2016 | us-gaap |
Equity Method Investment Summarized Financial Information Net Income Loss
EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss
|
289500000 | USD |
| CY2017 | us-gaap |
Equity Method Investment Summarized Financial Information Net Income Loss
EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss
|
400300000 | USD |
| CY2016Q4 | us-gaap |
Equity Method Investment Summarized Financial Information Noncurrent Assets
EquityMethodInvestmentSummarizedFinancialInformationNoncurrentAssets
|
10816000000 | USD |
| CY2017Q4 | us-gaap |
Equity Method Investment Summarized Financial Information Noncurrent Assets
EquityMethodInvestmentSummarizedFinancialInformationNoncurrentAssets
|
11177000000 | USD |
| CY2016Q4 | us-gaap |
Equity Method Investment Summarized Financial Information Noncurrent Liabilities
EquityMethodInvestmentSummarizedFinancialInformationNoncurrentLiabilities
|
3056000000 | USD |
| CY2017Q4 | us-gaap |
Equity Method Investment Summarized Financial Information Noncurrent Liabilities
EquityMethodInvestmentSummarizedFinancialInformationNoncurrentLiabilities
|
2660000000 | USD |
| CY2015 | us-gaap |
Equity Method Investment Summarized Financial Information Revenue
EquityMethodInvestmentSummarizedFinancialInformationRevenue
|
2418000000 | USD |
| CY2016 | us-gaap |
Equity Method Investment Summarized Financial Information Revenue
EquityMethodInvestmentSummarizedFinancialInformationRevenue
|
2272000000 | USD |
| CY2017 | us-gaap |
Equity Method Investment Summarized Financial Information Revenue
EquityMethodInvestmentSummarizedFinancialInformationRevenue
|
2803000000 | USD |
| CY2015Q4 | us-gaap |
Equity Method Investments
EquityMethodInvestments
|
1194400000 | USD |
| CY2016Q4 | us-gaap |
Equity Method Investments
EquityMethodInvestments
|
1158600000 | USD |
| CY2017Q4 | us-gaap |
Equity Method Investments
EquityMethodInvestments
|
1160400000 | USD |
| CY2016Q4 | us-gaap |
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
|
44700000 | USD |
| CY2017Q4 | us-gaap |
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
|
40200000 | USD |
| CY2015 | us-gaap |
Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest
IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
|
368700000 | USD |
| CY2016 | us-gaap |
Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest
IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
|
486300000 | USD |
| CY2017 | us-gaap |
Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest
IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
|
569700000 | USD |
| CY2015 | us-gaap |
Income Loss From Equity Method Investments
IncomeLossFromEquityMethodInvestments
|
15500000 | USD |
| CY2016 | us-gaap |
Income Loss From Equity Method Investments
IncomeLossFromEquityMethodInvestments
|
101800000 | USD |
| CY2017 | us-gaap |
Income Loss From Equity Method Investments
IncomeLossFromEquityMethodInvestments
|
131200000 | USD |
| CY2015 | us-gaap |
Income Tax Expense Benefit
IncomeTaxExpenseBenefit
|
97400000 | USD |
| CY2016 | us-gaap |
Income Tax Expense Benefit
IncomeTaxExpenseBenefit
|
148100000 | USD |
| CY2017 | us-gaap |
Income Tax Expense Benefit
IncomeTaxExpenseBenefit
|
-49300000 | USD |
| CY2015 | us-gaap |
Income Taxes Paid Net
IncomeTaxesPaidNet
|
-3400000 | USD |
| CY2016 | us-gaap |
Income Taxes Paid Net
IncomeTaxesPaidNet
|
-5900000 | USD |
| CY2017 | us-gaap |
Income Taxes Paid Net
IncomeTaxesPaidNet
|
-16000000 | USD |
| CY2016Q4 | us-gaap |
Income Taxes Receivable
IncomeTaxesReceivable
|
19400000 | USD |
| CY2017Q4 | us-gaap |
Income Taxes Receivable
IncomeTaxesReceivable
|
5800000 | USD |
| CY2015 | us-gaap |
Increase Decrease In Accounts Payable
IncreaseDecreaseInAccountsPayable
|
30900000 | USD |
| CY2016 | us-gaap |
Increase Decrease In Accounts Payable
IncreaseDecreaseInAccountsPayable
|
-45100000 | USD |
| CY2017 | us-gaap |
Increase Decrease In Accounts Payable
IncreaseDecreaseInAccountsPayable
|
27100000 | USD |
| CY2015 | us-gaap |
Increase Decrease In Accounts Receivable
IncreaseDecreaseInAccountsReceivable
|
-21600000 | USD |
| CY2016 | us-gaap |
Increase Decrease In Accounts Receivable
IncreaseDecreaseInAccountsReceivable
|
6900000 | USD |
| CY2017 | us-gaap |
Increase Decrease In Accounts Receivable
IncreaseDecreaseInAccountsReceivable
|
21800000 | USD |
| CY2015 | us-gaap |
Increase Decrease In Deferred Fuel Costs
IncreaseDecreaseInDeferredFuelCosts
|
-129600000 | USD |
| CY2016 | us-gaap |
Increase Decrease In Deferred Fuel Costs
IncreaseDecreaseInDeferredFuelCosts
|
112600000 | USD |
| CY2017 | us-gaap |
Increase Decrease In Deferred Fuel Costs
IncreaseDecreaseInDeferredFuelCosts
|
-53000000 | USD |
| CY2015 | us-gaap |
Increase Decrease In Income Taxes Receivable
IncreaseDecreaseInIncomeTaxesReceivable
|
1200000 | USD |
| CY2016 | us-gaap |
Increase Decrease In Income Taxes Receivable
IncreaseDecreaseInIncomeTaxesReceivable
|
2200000 | USD |
| CY2017 | us-gaap |
Increase Decrease In Income Taxes Receivable
IncreaseDecreaseInIncomeTaxesReceivable
|
-13600000 | USD |
| CY2015 | us-gaap |
Increase Decrease In Inventories
IncreaseDecreaseInInventories
|
56500000 | USD |
| CY2016 | us-gaap |
Increase Decrease In Inventories
IncreaseDecreaseInInventories
|
-32400000 | USD |
| CY2017 | us-gaap |
Increase Decrease In Inventories
IncreaseDecreaseInInventories
|
3600000 | USD |
| CY2015 | us-gaap |
Increase Decrease In Other Current Assets
IncreaseDecreaseInOtherCurrentAssets
|
17200000 | USD |
| CY2016 | us-gaap |
Increase Decrease In Other Current Assets
IncreaseDecreaseInOtherCurrentAssets
|
26200000 | USD |
| CY2017 | us-gaap |
Increase Decrease In Other Current Assets
IncreaseDecreaseInOtherCurrentAssets
|
-27200000 | USD |
| CY2015 | us-gaap |
Increase Decrease In Other Current Liabilities
IncreaseDecreaseInOtherCurrentLiabilities
|
17800000 | USD |
| CY2016 | us-gaap |
Increase Decrease In Other Current Liabilities
IncreaseDecreaseInOtherCurrentLiabilities
|
36400000 | USD |
| CY2017 | us-gaap |
Increase Decrease In Other Current Liabilities
IncreaseDecreaseInOtherCurrentLiabilities
|
-66700000 | USD |
| CY2015 | us-gaap |
Increase Decrease In Other Noncurrent Assets
IncreaseDecreaseInOtherNoncurrentAssets
|
-10400000 | USD |
| CY2016 | us-gaap |
Increase Decrease In Other Noncurrent Assets
IncreaseDecreaseInOtherNoncurrentAssets
|
-15400000 | USD |
| CY2017 | us-gaap |
Increase Decrease In Other Noncurrent Assets
IncreaseDecreaseInOtherNoncurrentAssets
|
700000 | USD |
| CY2015 | us-gaap |
Increase Decrease In Other Noncurrent Liabilities
IncreaseDecreaseInOtherNoncurrentLiabilities
|
8600000 | USD |
| CY2016 | us-gaap |
Increase Decrease In Other Noncurrent Liabilities
IncreaseDecreaseInOtherNoncurrentLiabilities
|
-18900000 | USD |
| CY2017 | us-gaap |
Increase Decrease In Other Noncurrent Liabilities
IncreaseDecreaseInOtherNoncurrentLiabilities
|
-65500000 | USD |
| CY2015 | us-gaap |
Incremental Common Shares Attributable To Contingently Issuable Shares
IncrementalCommonSharesAttributableToContingentlyIssuableShares
|
0 | shares |
| CY2016 | us-gaap |
Incremental Common Shares Attributable To Contingently Issuable Shares
IncrementalCommonSharesAttributableToContingentlyIssuableShares
|
200000 | shares |
| CY2017 | us-gaap |
Incremental Common Shares Attributable To Contingently Issuable Shares
IncrementalCommonSharesAttributableToContingentlyIssuableShares
|
300000 | shares |
| CY2015 | us-gaap |
Interest Costs Capitalized
InterestCostsCapitalized
|
4200000 | USD |
| CY2016 | us-gaap |
Interest Costs Capitalized
InterestCostsCapitalized
|
7500000 | USD |
| CY2017 | us-gaap |
Interest Costs Capitalized
InterestCostsCapitalized
|
18000000 | USD |
| CY2015 | us-gaap |
Interest Expense
InterestExpense
|
149000000 | USD |
| CY2016 | us-gaap |
Interest Expense
InterestExpense
|
142100000 | USD |
| CY2017 | us-gaap |
Interest Expense
InterestExpense
|
143800000 | USD |
| CY2015 | us-gaap |
Interest Expense Long Term Debt
InterestExpenseLongTermDebt
|
147800000 | USD |
| CY2016 | us-gaap |
Interest Expense Long Term Debt
InterestExpenseLongTermDebt
|
143200000 | USD |
| CY2017 | us-gaap |
Interest Expense Long Term Debt
InterestExpenseLongTermDebt
|
153600000 | USD |
| CY2015 | us-gaap |
Interest Expense Short Term Borrowings
InterestExpenseShortTermBorrowings
|
5400000 | USD |
| CY2016 | us-gaap |
Interest Expense Short Term Borrowings
InterestExpenseShortTermBorrowings
|
6400000 | USD |
| CY2017 | us-gaap |
Interest Expense Short Term Borrowings
InterestExpenseShortTermBorrowings
|
8200000 | USD |
| CY2015 | us-gaap |
Interest Paid Net
InterestPaidNet
|
145400000 | USD |
| CY2016 | us-gaap |
Interest Paid Net
InterestPaidNet
|
141900000 | USD |
| CY2017 | us-gaap |
Interest Paid Net
InterestPaidNet
|
139600000 | USD |
| CY2016Q4 | us-gaap |
Interest Payable Current
InterestPayableCurrent
|
40400000 | USD |
| CY2017Q4 | us-gaap |
Interest Payable Current
InterestPayableCurrent
|
44000000 | USD |
| CY2016Q4 | us-gaap |
Inventory Net
InventoryNet
|
79800000 | USD |
| CY2017Q4 | us-gaap |
Inventory Net
InventoryNet
|
84300000 | USD |
| CY2015 | us-gaap |
Investment Tax Credit
InvestmentTaxCredit
|
-700000 | USD |
| CY2016 | us-gaap |
Investment Tax Credit
InvestmentTaxCredit
|
-200000 | USD |
| CY2017 | us-gaap |
Investment Tax Credit
InvestmentTaxCredit
|
-100000 | USD |
| CY2015 | us-gaap |
Investments In And Advances To Affiliates At Fair Value Period Increase Decrease
InvestmentsInAndAdvancesToAffiliatesAtFairValuePeriodIncreaseDecrease
|
0 | USD |
| CY2016 | us-gaap |
Investments In And Advances To Affiliates At Fair Value Period Increase Decrease
InvestmentsInAndAdvancesToAffiliatesAtFairValuePeriodIncreaseDecrease
|
0 | USD |
| CY2017 | us-gaap |
Investments In And Advances To Affiliates At Fair Value Period Increase Decrease
InvestmentsInAndAdvancesToAffiliatesAtFairValuePeriodIncreaseDecrease
|
-8500000 | USD |
| CY2016Q4 | us-gaap |
Liabilities
Liabilities
|
6495800000 | USD |
| CY2017Q4 | us-gaap |
Liabilities
Liabilities
|
6561600000 | USD |
| CY2016Q4 | us-gaap |
Liabilities And Stockholders Equity
LiabilitiesAndStockholdersEquity
|
9939600000 | USD |
| CY2017Q4 | us-gaap |
Liabilities And Stockholders Equity
LiabilitiesAndStockholdersEquity
|
10412700000 | USD |
| CY2016Q4 | us-gaap |
Liabilities Current
LiabilitiesCurrent
|
1027200000 | USD |
| CY2017Q4 | us-gaap |
Liabilities Current
LiabilitiesCurrent
|
950500000 | USD |
| CY2016Q4 | us-gaap |
Liabilities Other Than Longterm Debt Noncurrent
LiabilitiesOtherThanLongtermDebtNoncurrent
|
3062800000 | USD |
| CY2017Q4 | us-gaap |
Liabilities Other Than Longterm Debt Noncurrent
LiabilitiesOtherThanLongtermDebtNoncurrent
|
2861500000 | USD |
| CY2017Q4 | us-gaap |
Line Of Credit
LineOfCredit
|
168700000 | USD |
| CY2017 | us-gaap |
Line Of Credit Facility Expiration Date1
LineOfCreditFacilityExpirationDate1
|
2022-03-08 | |
| CY2017Q4 | us-gaap |
Line Of Credit Facility Maximum Borrowing Capacity
LineOfCreditFacilityMaximumBorrowingCapacity
|
900000000 | USD |
| CY2016Q4 | us-gaap |
Long Term Debt
LongTermDebt
|
2630500000 | USD |
| CY2017Q4 | us-gaap |
Long Term Debt
LongTermDebt
|
2999400000 | USD |
| CY2016Q4 | us-gaap |
Long Term Debt Current
LongTermDebtCurrent
|
224700000 | USD |
| CY2017Q4 | us-gaap |
Long Term Debt Current
LongTermDebtCurrent
|
249800000 | USD |
| CY2017Q4 | us-gaap |
Long Term Debt Maturities Repayments Of Principal In Next Twelve Months
LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths
|
250100000 | USD |
| CY2017Q4 | us-gaap |
Long Term Debt Maturities Repayments Of Principal In Year Five
LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive
|
100000 | USD |
| CY2017Q4 | us-gaap |
Long Term Debt Maturities Repayments Of Principal In Year Four
LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour
|
100000 | USD |
| CY2017Q4 | us-gaap |
Long Term Debt Maturities Repayments Of Principal In Year Three
LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree
|
100000 | USD |
| CY2017Q4 | us-gaap |
Long Term Debt Maturities Repayments Of Principal In Year Two
LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo
|
250100000 | USD |
| CY2016Q4 | us-gaap |
Long Term Debt Noncurrent
LongTermDebtNoncurrent
|
2405800000 | USD |
| CY2017Q4 | us-gaap |
Long Term Debt Noncurrent
LongTermDebtNoncurrent
|
2749600000 | USD |
| CY2015 | us-gaap |
Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
|
-297300000 | USD |
| CY2016 | us-gaap |
Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
|
-99200000 | USD |
| CY2017 | us-gaap |
Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
|
51500000 | USD |
| CY2015 | us-gaap |
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
|
-500100000 | USD |
| CY2016 | us-gaap |
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
|
-620400000 | USD |
| CY2017 | us-gaap |
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
|
-821900000 | USD |
| CY2015 | us-gaap |
Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
|
867100000 | USD |
| CY2016 | us-gaap |
Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
|
644700000 | USD |
| CY2017 | us-gaap |
Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
|
784500000 | USD |
| CY2017 | us-gaap |
New Accounting Pronouncement Or Change In Accounting Principle Effect Of Adoption Quantification
NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfAdoptionQuantification
|
22300000 | USD |
| CY2015 | us-gaap |
Nonoperating Income Expense
NonoperatingIncomeExpense
|
11600000 | USD |
| CY2016 | us-gaap |
Nonoperating Income Expense
NonoperatingIncomeExpense
|
115400000 | USD |
| CY2017 | us-gaap |
Nonoperating Income Expense
NonoperatingIncomeExpense
|
182500000 | USD |
| CY2015 | us-gaap |
Operating Expenses
OperatingExpenses
|
825800000 | USD |
| CY2016 | us-gaap |
Operating Expenses
OperatingExpenses
|
866100000 | USD |
| CY2017 | us-gaap |
Operating Expenses
OperatingExpenses
|
832500000 | USD |
| CY2015 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
506100000 | USD |
| CY2016Q1 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
38500000 | USD |
| CY2016Q2 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
135200000 | USD |
| CY2016Q3 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
258000000 | USD |
| CY2016Q4 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
81300000 | USD |
| CY2016 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
513000000 | USD |
| CY2017Q1 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
45700000 | USD |
| CY2017Q2 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
145800000 | USD |
| CY2017Q3 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
244500000 | USD |
| CY2017Q4 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
95000000 | USD |
| CY2017 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
531000000 | USD |
| CY2017Q4 | us-gaap |
Operating Leases Future Minimum Payments Due
OperatingLeasesFutureMinimumPaymentsDue
|
77500000 | USD |
| CY2017Q4 | us-gaap |
Operating Leases Future Minimum Payments Due In Four Years
OperatingLeasesFutureMinimumPaymentsDueInFourYears
|
2900000 | USD |
| CY2017Q4 | us-gaap |
Operating Leases Future Minimum Payments Due In Three Years
OperatingLeasesFutureMinimumPaymentsDueInThreeYears
|
2900000 | USD |
| CY2017Q4 | us-gaap |
Operating Leases Future Minimum Payments Due Current
OperatingLeasesFutureMinimumPaymentsDueCurrent
|
4800000 | USD |
| CY2017Q4 | us-gaap |
Operating Leases Future Minimum Payments Due In Five Years
OperatingLeasesFutureMinimumPaymentsDueInFiveYears
|
2900000 | USD |
| CY2017Q4 | us-gaap |
Operating Leases Future Minimum Payments Due In Two Years
OperatingLeasesFutureMinimumPaymentsDueInTwoYears
|
23400000 | USD |
| CY2017Q4 | us-gaap |
Operating Leases Future Minimum Payments Due Thereafter
OperatingLeasesFutureMinimumPaymentsDueThereafter
|
40600000 | USD |
| CY2015 | us-gaap |
Operating Leases Rent Expense Net
OperatingLeasesRentExpenseNet
|
7700000 | USD |
| CY2016 | us-gaap |
Operating Leases Rent Expense Net
OperatingLeasesRentExpenseNet
|
9300000 | USD |
| CY2017 | us-gaap |
Operating Leases Rent Expense Net
OperatingLeasesRentExpenseNet
|
6200000 | USD |
| CY2016Q4 | us-gaap |
Other Assets Current
OtherAssetsCurrent
|
81800000 | USD |
| CY2017Q4 | us-gaap |
Other Assets Current
OtherAssetsCurrent
|
54600000 | USD |
| CY2016Q4 | us-gaap |
Other Assets Miscellaneous Noncurrent
OtherAssetsMiscellaneousNoncurrent
|
56900000 | USD |
| CY2017Q4 | us-gaap |
Other Assets Miscellaneous Noncurrent
OtherAssetsMiscellaneousNoncurrent
|
55700000 | USD |
| CY2016Q4 | us-gaap |
Other Assets Noncurrent
OtherAssetsNoncurrent
|
461700000 | USD |
| CY2017Q4 | us-gaap |
Other Assets Noncurrent
OtherAssetsNoncurrent
|
338700000 | USD |
| CY2015 | us-gaap |
Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax
OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax
|
-9500000 | USD |
| CY2016 | us-gaap |
Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax
OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax
|
-700000 | USD |
| CY2017 | us-gaap |
Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax
OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax
|
400000 | USD |
| CY2015 | us-gaap |
Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax
OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax
|
-5800000 | USD |
| CY2016 | us-gaap |
Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax
OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax
|
-600000 | USD |
| CY2017 | us-gaap |
Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax
OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax
|
200000 | USD |
| CY2015 | us-gaap |
Other Comprehensive Income Finalization Of Pension And Non Pension Postretirement Plan Valuation Tax
OtherComprehensiveIncomeFinalizationOfPensionAndNonPensionPostretirementPlanValuationTax
|
2900000 | USD |
| CY2016 | us-gaap |
Other Comprehensive Income Finalization Of Pension And Non Pension Postretirement Plan Valuation Tax
OtherComprehensiveIncomeFinalizationOfPensionAndNonPensionPostretirementPlanValuationTax
|
3200000 | USD |
| CY2017 | us-gaap |
Other Comprehensive Income Finalization Of Pension And Non Pension Postretirement Plan Valuation Tax
OtherComprehensiveIncomeFinalizationOfPensionAndNonPensionPostretirementPlanValuationTax
|
1400000 | USD |
| CY2015 | us-gaap |
Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Net Of Tax
OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax
|
0 | USD |
| CY2016 | us-gaap |
Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Net Of Tax
OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax
|
0 | USD |
| CY2017 | us-gaap |
Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Net Of Tax
OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax
|
6300000 | USD |
| CY2015 | us-gaap |
Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Tax
OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax
|
0 | USD |
| CY2016 | us-gaap |
Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Tax
OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax
|
0 | USD |
| CY2017 | us-gaap |
Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Tax
OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax
|
-4000000 | USD |
| CY2016 | us-gaap |
Other Comprehensive Income Loss Before Reclassifications Net Of Tax
OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax
|
-500000 | USD |
| CY2017 | us-gaap |
Other Comprehensive Income Loss Before Reclassifications Net Of Tax
OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax
|
6100000 | USD |
| CY2015 | us-gaap |
Other Comprehensive Income Loss Finalization Of Pension And Non Pension Postretirement Plan Valuation Net Of Tax
OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationNetOfTax
|
4600000 | USD |
| CY2016 | us-gaap |
Other Comprehensive Income Loss Finalization Of Pension And Non Pension Postretirement Plan Valuation Net Of Tax
OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationNetOfTax
|
5000000 | USD |
| CY2017 | us-gaap |
Other Comprehensive Income Loss Finalization Of Pension And Non Pension Postretirement Plan Valuation Net Of Tax
OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationNetOfTax
|
2200000 | USD |
| CY2015 | us-gaap |
Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
|
6300000 | USD |
| CY2016 | us-gaap |
Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
|
5800000 | USD |
| CY2017 | us-gaap |
Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
|
10600000 | USD |
| CY2016 | us-gaap |
Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent
OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
|
5800000 | USD |
| CY2017 | us-gaap |
Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent
OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
|
6100000 | USD |
| CY2015 | us-gaap |
Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Net Of Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax
|
-2500000 | USD |
| CY2016 | us-gaap |
Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Net Of Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax
|
-2800000 | USD |
| CY2017 | us-gaap |
Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Net Of Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax
|
-2500000 | USD |
| CY2015 | us-gaap |
Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax
|
2200000 | USD |
| CY2016 | us-gaap |
Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax
|
1700000 | USD |
| CY2017 | us-gaap |
Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax
|
1400000 | USD |
| CY2015 | us-gaap |
Other Cost And Expense Operating
OtherCostAndExpenseOperating
|
426700000 | USD |
| CY2016 | us-gaap |
Other Cost And Expense Operating
OtherCostAndExpenseOperating
|
455900000 | USD |
| CY2017 | us-gaap |
Other Cost And Expense Operating
OtherCostAndExpenseOperating
|
459600000 | USD |
| CY2016Q4 | us-gaap |
Other Inventory Supplies
OtherInventorySupplies
|
81700000 | USD |
| CY2017Q4 | us-gaap |
Other Inventory Supplies
OtherInventorySupplies
|
80800000 | USD |
| CY2016Q4 | us-gaap |
Other Investments
OtherInvestments
|
1232200000 | USD |
| CY2017Q4 | us-gaap |
Other Investments
OtherInvestments
|
1237100000 | USD |
| CY2016Q4 | us-gaap |
Other Liabilities Current
OtherLiabilitiesCurrent
|
96000000 | USD |
| CY2017Q4 | us-gaap |
Other Liabilities Current
OtherLiabilitiesCurrent
|
28700000 | USD |
| CY2016Q4 | us-gaap |
Other Liabilities Noncurrent
OtherLiabilitiesNoncurrent
|
153800000 | USD |
| CY2017Q4 | us-gaap |
Other Liabilities Noncurrent
OtherLiabilitiesNoncurrent
|
157600000 | USD |
| CY2016Q4 | us-gaap |
Other Long Term Investments
OtherLongTermInvestments
|
73600000 | USD |
| CY2017Q4 | us-gaap |
Other Long Term Investments
OtherLongTermInvestments
|
76700000 | USD |
| CY2015 | us-gaap |
Other Nonoperating Expense
OtherNonoperatingExpense
|
14300000 | USD |
| CY2016 | us-gaap |
Other Nonoperating Expense
OtherNonoperatingExpense
|
16900000 | USD |
| CY2017 | us-gaap |
Other Nonoperating Expense
OtherNonoperatingExpense
|
14100000 | USD |
| CY2015 | us-gaap |
Other Nonoperating Income
OtherNonoperatingIncome
|
27000000 | USD |
| CY2016 | us-gaap |
Other Nonoperating Income
OtherNonoperatingIncome
|
26000000 | USD |
| CY2017 | us-gaap |
Other Nonoperating Income
OtherNonoperatingIncome
|
46400000 | USD |
| CY2015 | us-gaap |
Other Nonoperating Income Expense
OtherNonoperatingIncomeExpense
|
-3900000 | USD |
| CY2016 | us-gaap |
Other Nonoperating Income Expense
OtherNonoperatingIncomeExpense
|
13600000 | USD |
| CY2017 | us-gaap |
Other Nonoperating Income Expense
OtherNonoperatingIncomeExpense
|
51300000 | USD |
| CY2015 | us-gaap |
Payments Of Dividends Common Stock
PaymentsOfDividendsCommonStock
|
204600000 | USD |
| CY2016 | us-gaap |
Payments Of Dividends Common Stock
PaymentsOfDividendsCommonStock
|
225100000 | USD |
| CY2017 | us-gaap |
Payments Of Dividends Common Stock
PaymentsOfDividendsCommonStock
|
247600000 | USD |
| CY2015 | us-gaap |
Payments To Acquire Productive Assets
PaymentsToAcquireProductiveAssets
|
547800000 | USD |
| CY2016 | us-gaap |
Payments To Acquire Productive Assets
PaymentsToAcquireProductiveAssets
|
660100000 | USD |
| CY2017 | us-gaap |
Payments To Acquire Productive Assets
PaymentsToAcquireProductiveAssets
|
824100000 | USD |
| CY2015 | us-gaap |
Pension And Other Postretirement Benefit Expense
PensionAndOtherPostretirementBenefitExpense
|
24900000 | USD |
| CY2016 | us-gaap |
Pension And Other Postretirement Benefit Expense
PensionAndOtherPostretirementBenefitExpense
|
9700000 | USD |
| CY2017 | us-gaap |
Pension And Other Postretirement Benefit Expense
PensionAndOtherPostretirementBenefitExpense
|
20700000 | USD |
| CY2016Q4 | us-gaap |
Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent
PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent
|
274800000 | USD |
| CY2017Q4 | us-gaap |
Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent
PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent
|
192700000 | USD |
| CY2016 | us-gaap |
Pension Contributions
PensionContributions
|
20000000 | USD |
| CY2017 | us-gaap |
Pension Contributions
PensionContributions
|
20000000 | USD |
| CY2016Q4 | us-gaap |
Postemployment Benefits Liability Current And Noncurrent
PostemploymentBenefitsLiabilityCurrentAndNoncurrent
|
2400000 | USD |
| CY2017Q4 | us-gaap |
Postemployment Benefits Liability Current And Noncurrent
PostemploymentBenefitsLiabilityCurrentAndNoncurrent
|
2500000 | USD |
| CY2017Q4 | us-gaap |
Preferred Stock Shares Outstanding
PreferredStockSharesOutstanding
|
0 | shares |
| CY2015 | us-gaap |
Proceeds From Equity Method Investment Dividends Or Distributions Return Of Capital
ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital
|
45200000 | USD |
| CY2016 | us-gaap |
Proceeds From Equity Method Investment Dividends Or Distributions Return Of Capital
ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital
|
38800000 | USD |
| CY2017 | us-gaap |
Proceeds From Equity Method Investment Dividends Or Distributions Return Of Capital
ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital
|
10000000 | USD |
| CY2015 | us-gaap |
Proceeds From Issuance Of Common Stock
ProceedsFromIssuanceOfCommonStock
|
7200000 | USD |
| CY2016 | us-gaap |
Proceeds From Issuance Of Common Stock
ProceedsFromIssuanceOfCommonStock
|
0 | USD |
| CY2017 | us-gaap |
Proceeds From Issuance Of Common Stock
ProceedsFromIssuanceOfCommonStock
|
-100000 | USD |
| CY2015 | us-gaap |
Proceeds From Issuance Of Long Term Debt
ProceedsFromIssuanceOfLongTermDebt
|
0 | USD |
| CY2016 | us-gaap |
Proceeds From Issuance Of Long Term Debt
ProceedsFromIssuanceOfLongTermDebt
|
0 | USD |
| CY2017 | us-gaap |
Proceeds From Issuance Of Long Term Debt
ProceedsFromIssuanceOfLongTermDebt
|
592100000 | USD |
| CY2015 | us-gaap |
Proceeds From Payments For Other Financing Activities
ProceedsFromPaymentsForOtherFinancingActivities
|
-1700000 | USD |
| CY2016 | us-gaap |
Proceeds From Payments For Other Financing Activities
ProceedsFromPaymentsForOtherFinancingActivities
|
-100000 | USD |
| CY2017 | us-gaap |
Proceeds From Payments For Other Financing Activities
ProceedsFromPaymentsForOtherFinancingActivities
|
0 | USD |
| CY2015 | us-gaap |
Proceeds From Repayments Of Short Term Debt
ProceedsFromRepaymentsOfShortTermDebt
|
-98000000 | USD |
| CY2016 | us-gaap |
Proceeds From Repayments Of Short Term Debt
ProceedsFromRepaymentsOfShortTermDebt
|
236200000 | USD |
| CY2017 | us-gaap |
Proceeds From Repayments Of Short Term Debt
ProceedsFromRepaymentsOfShortTermDebt
|
-67800000 | USD |
| CY2015 | us-gaap |
Proceeds From Sale Of Productive Assets
ProceedsFromSaleOfProductiveAssets
|
2500000 | USD |
| CY2016 | us-gaap |
Proceeds From Sale Of Productive Assets
ProceedsFromSaleOfProductiveAssets
|
900000 | USD |
| CY2017 | us-gaap |
Proceeds From Sale Of Productive Assets
ProceedsFromSaleOfProductiveAssets
|
700000 | USD |
| CY2015 | us-gaap |
Profit Loss
ProfitLoss
|
271300000 | USD |
| CY2016Q1 | us-gaap |
Profit Loss
ProfitLoss
|
25200000 | USD |
| CY2016Q2 | us-gaap |
Profit Loss
ProfitLoss
|
71500000 | USD |
| CY2016Q3 | us-gaap |
Profit Loss
ProfitLoss
|
183600000 | USD |
| CY2016Q4 | us-gaap |
Profit Loss
ProfitLoss
|
57900000 | USD |
| CY2016 | us-gaap |
Profit Loss
ProfitLoss
|
338200000 | USD |
| CY2017Q1 | us-gaap |
Profit Loss
ProfitLoss
|
36000000 | USD |
| CY2017Q2 | us-gaap |
Profit Loss
ProfitLoss
|
104800000 | USD |
| CY2017Q3 | us-gaap |
Profit Loss
ProfitLoss
|
183400000 | USD |
| CY2017Q4 | us-gaap |
Profit Loss
ProfitLoss
|
294800000 | USD |
| CY2017 | us-gaap |
Profit Loss
ProfitLoss
|
619000000 | USD |
| CY2016Q4 | us-gaap |
Property Plant And Equipment Gross
PropertyPlantAndEquipmentGross
|
11185100000 | USD |
| CY2017Q4 | us-gaap |
Property Plant And Equipment Gross
PropertyPlantAndEquipmentGross
|
11908700000 | USD |
| CY2016Q4 | us-gaap |
Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
|
7696200000 | USD |
| CY2017Q4 | us-gaap |
Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
|
8339900000 | USD |
| CY2015 | us-gaap |
Public Utilities Allowance For Funds Used During Construction Additions
PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions
|
4200000 | USD |
| CY2016 | us-gaap |
Public Utilities Allowance For Funds Used During Construction Additions
PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions
|
7500000 | USD |
| CY2017 | us-gaap |
Public Utilities Allowance For Funds Used During Construction Additions
PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions
|
18000000 | USD |
| CY2015 | us-gaap |
Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity
PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity
|
8300000 | USD |
| CY2016 | us-gaap |
Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity
PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity
|
14200000 | USD |
| CY2017 | us-gaap |
Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity
PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity
|
39700000 | USD |
| CY2015 | us-gaap |
Public Utilities Allowance For Funds Used During Construction Rate
PublicUtilitiesAllowanceForFundsUsedDuringConstructionRate
|
0.081 | |
| CY2016 | us-gaap |
Public Utilities Allowance For Funds Used During Construction Rate
PublicUtilitiesAllowanceForFundsUsedDuringConstructionRate
|
0.082 | |
| CY2017 | us-gaap |
Public Utilities Allowance For Funds Used During Construction Rate
PublicUtilitiesAllowanceForFundsUsedDuringConstructionRate
|
0.082 | |
| CY2017 | us-gaap |
Public Utilities Approved Debt Capital Structure Percentage
PublicUtilitiesApprovedDebtCapitalStructurePercentage
|
0.4700 | |
| CY2017 | us-gaap |
Public Utilities Approved Equity Capital Structure Percentage
PublicUtilitiesApprovedEquityCapitalStructurePercentage
|
0.5300 | |
| CY2016Q4 | us-gaap |
Public Utilities Property Plant And Equipment Plant In Service
PublicUtilitiesPropertyPlantAndEquipmentPlantInService
|
10690000000 | USD |
| CY2017Q4 | us-gaap |
Public Utilities Property Plant And Equipment Plant In Service
PublicUtilitiesPropertyPlantAndEquipmentPlantInService
|
11041200000 | USD |
| CY2016 | us-gaap |
Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax
ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax
|
1300000 | USD |
| CY2017 | us-gaap |
Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax
ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax
|
1800000 | USD |
| CY2016 | us-gaap |
Reclassification From Aoci Current Period Net Of Tax Attributable To Parent
ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent
|
6300000 | USD |
| CY2017 | us-gaap |
Reclassification From Aoci Current Period Net Of Tax Attributable To Parent
ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent
|
4500000 | USD |
| CY2016Q4 | us-gaap |
Regulatory Assets Current
RegulatoryAssetsCurrent
|
121800000 | USD |
| CY2017Q4 | us-gaap |
Regulatory Assets Current
RegulatoryAssetsCurrent
|
40800000 | USD |
| CY2016Q4 | us-gaap |
Regulatory Assets Noncurrent
RegulatoryAssetsNoncurrent
|
404800000 | USD |
| CY2017Q4 | us-gaap |
Regulatory Assets Noncurrent
RegulatoryAssetsNoncurrent
|
283000000 | USD |
| CY2016Q4 | us-gaap |
Regulatory Liability Current
RegulatoryLiabilityCurrent
|
12300000 | USD |
| CY2017Q4 | us-gaap |
Regulatory Liability Current
RegulatoryLiabilityCurrent
|
3900000 | USD |
| CY2016Q4 | us-gaap |
Regulatory Liability Noncurrent
RegulatoryLiabilityNoncurrent
|
299700000 | USD |
| CY2017Q4 | us-gaap |
Regulatory Liability Noncurrent
RegulatoryLiabilityNoncurrent
|
1283400000 | USD |
| CY2015 | us-gaap |
Repayments Of Long Term Debt
RepaymentsOfLongTermDebt
|
200000 | USD |
| CY2016 | us-gaap |
Repayments Of Long Term Debt
RepaymentsOfLongTermDebt
|
110200000 | USD |
| CY2017 | us-gaap |
Repayments Of Long Term Debt
RepaymentsOfLongTermDebt
|
225100000 | USD |
| CY2016Q4 | us-gaap |
Retained Earnings Accumulated Deficit
RetainedEarningsAccumulatedDeficit
|
2367300000 | USD |
| CY2017Q4 | us-gaap |
Retained Earnings Accumulated Deficit
RetainedEarningsAccumulatedDeficit
|
2759500000 | USD |
| CY2015 | us-gaap |
Revenues
Revenues
|
2196900000 | USD |
| CY2016Q1 | us-gaap |
Revenues
Revenues
|
433100000 | USD |
| CY2016Q2 | us-gaap |
Revenues
Revenues
|
551400000 | USD |
| CY2016Q3 | us-gaap |
Revenues
Revenues
|
743900000 | USD |
| CY2016Q4 | us-gaap |
Revenues
Revenues
|
530800000 | USD |
| CY2016 | us-gaap |
Revenues
Revenues
|
2259200000 | USD |
| CY2017Q1 | us-gaap |
Revenues
Revenues
|
456000000 | USD |
| CY2017Q2 | us-gaap |
Revenues
Revenues
|
586400000 | USD |
| CY2017Q3 | us-gaap |
Revenues
Revenues
|
716800000 | USD |
| CY2017Q4 | us-gaap |
Revenues
Revenues
|
501900000 | USD |
| CY2017 | us-gaap |
Revenues
Revenues
|
2261100000 | USD |
| CY2015 | us-gaap |
Share Based Compensation
ShareBasedCompensation
|
7600000 | USD |
| CY2016 | us-gaap |
Share Based Compensation
ShareBasedCompensation
|
4700000 | USD |
| CY2017 | us-gaap |
Share Based Compensation
ShareBasedCompensation
|
9100000 | USD |
| CY2017Q4 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Authorized
ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
|
7400000 | shares |
| CY2016Q4 | us-gaap |
Short Term Borrowings
ShortTermBorrowings
|
236200000 | USD |
| CY2017Q4 | us-gaap |
Short Term Borrowings
ShortTermBorrowings
|
168400000 | USD |
| CY2017Q4 | us-gaap |
Short Term Debt Weighted Average Interest Rate
ShortTermDebtWeightedAverageInterestRate
|
0.0162 | |
| CY2015 | us-gaap |
Stock Issued During Period Value New Issues
StockIssuedDuringPeriodValueNewIssues
|
7200000 | USD |
| CY2017 | us-gaap |
Stock Issued During Period Value New Issues
StockIssuedDuringPeriodValueNewIssues
|
-100000 | USD |
| CY2016Q4 | us-gaap |
Stockholders Equity
StockholdersEquity
|
3443800000 | USD |
| CY2017Q4 | us-gaap |
Stockholders Equity
StockholdersEquity
|
3851100000 | USD |
| CY2014Q4 | us-gaap |
Stockholders Equity Including Portion Attributable To Noncontrolling Interest
StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
|
3244400000 | USD |
| CY2015Q4 | us-gaap |
Stockholders Equity Including Portion Attributable To Noncontrolling Interest
StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
|
3326000000 | USD |
| CY2016Q4 | us-gaap |
Stockholders Equity Including Portion Attributable To Noncontrolling Interest
StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
|
3443800000 | USD |
| CY2017Q4 | us-gaap |
Stockholders Equity Including Portion Attributable To Noncontrolling Interest
StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
|
3851100000 | USD |
| CY2015 | us-gaap |
Taxes Excluding Income And Excise Taxes
TaxesExcludingIncomeAndExciseTaxes
|
91200000 | USD |
| CY2016 | us-gaap |
Taxes Excluding Income And Excise Taxes
TaxesExcludingIncomeAndExciseTaxes
|
87600000 | USD |
| CY2017 | us-gaap |
Taxes Excluding Income And Excise Taxes
TaxesExcludingIncomeAndExciseTaxes
|
89400000 | USD |
| CY2016Q4 | us-gaap |
Taxes Payable Current
TaxesPayableCurrent
|
41300000 | USD |
| CY2017Q4 | us-gaap |
Taxes Payable Current
TaxesPayableCurrent
|
44500000 | USD |
| CY2016Q4 | us-gaap |
Unamortized Debt Issuance Expense
UnamortizedDebtIssuanceExpense
|
-15500000 | USD |
| CY2017Q4 | us-gaap |
Unamortized Debt Issuance Expense
UnamortizedDebtIssuanceExpense
|
-20800000 | USD |
| CY2016Q4 | us-gaap |
Unbilled Receivables Current
UnbilledReceivablesCurrent
|
59700000 | USD |
| CY2017Q4 | us-gaap |
Unbilled Receivables Current
UnbilledReceivablesCurrent
|
66500000 | USD |
| CY2014Q4 | us-gaap |
Unrecognized Tax Benefits
UnrecognizedTaxBenefits
|
16100000 | USD |
| CY2015Q4 | us-gaap |
Unrecognized Tax Benefits
UnrecognizedTaxBenefits
|
20200000 | USD |
| CY2016Q4 | us-gaap |
Unrecognized Tax Benefits
UnrecognizedTaxBenefits
|
20700000 | USD |
| CY2017Q4 | us-gaap |
Unrecognized Tax Benefits
UnrecognizedTaxBenefits
|
20700000 | USD |
| CY2017Q4 | us-gaap |
Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued
UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued
|
0 | USD |
| CY2015 | us-gaap |
Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions
UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions
|
4100000 | USD |
| CY2016 | us-gaap |
Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions
UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions
|
500000 | USD |
| CY2017 | us-gaap |
Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions
UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions
|
0 | USD |
| CY2017Q4 | us-gaap |
Unrecorded Unconditional Purchase Obligation Balance On Fifth Anniversary
UnrecordedUnconditionalPurchaseObligationBalanceOnFifthAnniversary
|
168500000 | USD |
| CY2017Q4 | us-gaap |
Unrecorded Unconditional Purchase Obligation Balance On First Anniversary
UnrecordedUnconditionalPurchaseObligationBalanceOnFirstAnniversary
|
402800000 | USD |
| CY2017Q4 | us-gaap |
Unrecorded Unconditional Purchase Obligation Balance On Fourth Anniversary
UnrecordedUnconditionalPurchaseObligationBalanceOnFourthAnniversary
|
170900000 | USD |
| CY2017Q4 | us-gaap |
Unrecorded Unconditional Purchase Obligation Balance On Second Anniversary
UnrecordedUnconditionalPurchaseObligationBalanceOnSecondAnniversary
|
244400000 | USD |
| CY2017Q4 | us-gaap |
Unrecorded Unconditional Purchase Obligation Balance On Third Anniversary
UnrecordedUnconditionalPurchaseObligationBalanceOnThirdAnniversary
|
173200000 | USD |
| CY2017Q4 | us-gaap |
Unrecorded Unconditional Purchase Obligation Balance Sheet Amount
UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount
|
1159800000 | USD |
| CY2015 | us-gaap |
Utilities Operating Expense Purchased Power Under Long Term Contracts
UtilitiesOperatingExpensePurchasedPowerUnderLongTermContracts
|
56600000 | USD |
| CY2016 | us-gaap |
Utilities Operating Expense Purchased Power Under Long Term Contracts
UtilitiesOperatingExpensePurchasedPowerUnderLongTermContracts
|
61000000 | USD |
| CY2017 | us-gaap |
Utilities Operating Expense Purchased Power Under Long Term Contracts
UtilitiesOperatingExpensePurchasedPowerUnderLongTermContracts
|
61100000 | USD |
| CY2015 | us-gaap |
Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
|
199600000 | shares |
| CY2016 | us-gaap |
Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
|
199900000 | shares |
| CY2017 | us-gaap |
Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
|
200000000 | shares |
| CY2015 | us-gaap |
Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
|
199600000 | shares |
| CY2016 | us-gaap |
Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
|
199700000 | shares |
| CY2017 | us-gaap |
Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
|
199700000 | shares |
| CY2017 | us-gaap |
Use Of Estimates
UseOfEstimates
|
<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;text-align:justify;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;color:#000000;font-weight:bold;text-decoration:none;">Use of Estimates</font><font style="font-family:inherit;font-size:10pt;font-weight:bold;"> </font></div><div style="line-height:120%;text-align:justify;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div><div style="line-height:120%;text-align:justify;text-indent:48px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">In preparing the</font><font style="font-family:inherit;font-size:10pt;"> </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">Consolidated</font><font style="font-family:inherit;font-size:10pt;"> </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">Financial Statements, management is required to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and contingent liabilities at the date of the</font><font style="font-family:inherit;font-size:10pt;"> </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">Consolidated</font><font style="font-family:inherit;font-size:10pt;"> </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">Financial Statements and the reported amounts of revenues and expenses during the reporting period.  Changes to these assumptions and estimates could have a material effect on</font><font style="font-family:inherit;font-size:10pt;"> </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">the Company's Consolidated</font><font style="font-family:inherit;font-size:10pt;"> </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">Financial Statements.  However,</font><font style="font-family:inherit;font-size:10pt;"> </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">the Company</font><font style="font-family:inherit;font-size:10pt;"> </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">believes it has taken reasonable positions where assumptions and estimates are used in order to minimize the negative financial impact to</font><font style="font-family:inherit;font-size:10pt;"> </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">the Company</font><font style="font-family:inherit;font-size:10pt;"> </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">that could result if actual results vary from the assumptions and estimates.  In management's opinion, the areas of</font><font style="font-family:inherit;font-size:10pt;"> </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">the Company</font><font style="font-family:inherit;font-size:10pt;"> </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">where the most significant judgment is exercised</font><font style="font-family:inherit;font-size:10pt;"> </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">includes the determination of Pension Plan assumptions,</font><font style="font-family:inherit;font-size:10pt;"> </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">income taxes,</font><font style="font-family:inherit;font-size:10pt;"> </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">contingency reserves, asset retirement obligations</font><font style="font-family:inherit;font-size:10pt;"> and </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">depreciable lives of property, plant and equipment</font><font style="font-family:inherit;font-size:10pt;">. </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">For the electric utility segment, significant judgment is also exercised in</font><font style="font-family:inherit;font-size:10pt;"> </font><font style="font-family:inherit;font-size:10pt;">the determination of</font><font style="font-family:inherit;font-size:10pt;"> </font><font style="font-family:inherit;font-size:10pt;">regulatory assets and liabilities and unbilled revenues</font><font style="font-family:inherit;font-size:10pt;">. </font></div></div> |
