2017 Q4 Form 10-K Financial Statement
#000007274119000017 Filed on February 26, 2019
Income Statement
| Concept | 2017 Q4 | 2017 Q3 | 2017 Q2 |
|---|---|---|---|
| Revenue | $1.896B | $1.989B | $1.763B |
| YoY Change | 6.7% | -2.51% | -0.25% |
| Cost Of Revenue | |||
| YoY Change | |||
| Gross Profit | |||
| YoY Change | |||
| Gross Profit Margin | |||
| Selling, General & Admin | |||
| YoY Change | |||
| % of Gross Profit | |||
| Research & Development | |||
| YoY Change | |||
| % of Gross Profit | |||
| Depreciation & Amortization | $202.6M | $236.3M | $182.1M |
| YoY Change | 10.29% | 4.93% | 8.52% |
| % of Gross Profit | |||
| Operating Expenses | $1.452B | $1.493B | $1.315B |
| YoY Change | 8.45% | -2.39% | -2.17% |
| Operating Profit | $443.7M | $495.3M | $448.2M |
| YoY Change | 1.28% | -2.86% | 5.86% |
| Interest Expense | -$102.3M | $108.7M | $107.3M |
| YoY Change | -0.1% | 8.83% | 6.8% |
| % of Operating Profit | -23.06% | 21.95% | 23.95% |
| Other Income/Expense, Net | $28.70M | $28.50M | $29.00M |
| YoY Change | 29.28% | 108.93% | 260.79% |
| Pretax Income | $370.3M | $415.1M | $369.9M |
| YoY Change | 3.46% | -2.02% | 11.76% |
| Income Tax | $131.0M | $152.8M | $137.3M |
| % Of Pretax Income | 35.38% | 36.82% | 37.11% |
| Net Earnings | $239.4M | $262.2M | $232.6M |
| YoY Change | 3.59% | -1.87% | 13.19% |
| Net Earnings / Revenue | 12.63% | 13.19% | 13.19% |
| Basic Earnings Per Share | $0.75 | $0.82 | $0.73 |
| Diluted Earnings Per Share | $0.75 | $0.82 | $0.73 |
| COMMON SHARES | |||
| Basic Shares Outstanding | 316.9M shares | 317.4M shares | 317.4M shares |
| Diluted Shares Outstanding | 317.9M shares | 317.9M shares |
Balance Sheet
| Concept | 2017 Q4 | 2017 Q3 | 2017 Q2 |
|---|---|---|---|
| SHORT-TERM ASSETS | |||
| Cash & Short-Term Investments | $38.00M | $126.0M | $25.00M |
| YoY Change | 26.67% | 215.0% | -35.9% |
| Cash & Equivalents | $85.89M | $172.0M | $78.73M |
| Short-Term Investments | |||
| Other Short-Term Assets | $138.0M | $159.9M | $157.4M |
| YoY Change | -35.89% | 2.78% | -86.6% |
| Inventory | $223.0M | $305.0M | $286.0M |
| Prepaid Expenses | |||
| Receivables | $925.1M | $920.0M | $833.9M |
| Other Receivables | $19.00M | $0.00 | $0.00 |
| Total Short-Term Assets | $2.487B | $2.403B | $2.331B |
| YoY Change | 0.38% | -0.46% | -3.49% |
| LONG-TERM ASSETS | |||
| Property, Plant & Equipment | $23.62B | $22.54B | $22.07B |
| YoY Change | 10.62% | 8.31% | 7.94% |
| Goodwill | $4.427B | $3.519B | $3.519B |
| YoY Change | 25.8% | 0.0% | |
| Intangibles | |||
| YoY Change | |||
| Long-Term Investments | $277.6M | $570.0M | $565.0M |
| YoY Change | 17.18% | 8.37% | 8.86% |
| Other Assets | $605.7M | $627.3M | $590.7M |
| YoY Change | 15.98% | 82.01% | -85.16% |
| Total Long-Term Assets | $10.12B | $8.223B | $8.257B |
| YoY Change | 22.99% | 4.62% | -71.0% |
| TOTAL ASSETS | |||
| Total Short-Term Assets | $2.487B | $2.403B | $2.331B |
| Total Long-Term Assets | $10.12B | $8.223B | $8.257B |
| Total Assets | $36.22B | $33.16B | $32.66B |
| YoY Change | 13.0% | 6.7% | 5.75% |
| SHORT-TERM LIABILITIES | |||
| YoY Change | |||
| Accounts Payable | $1.085B | $794.2M | $587.2M |
| YoY Change | 22.67% | 16.88% | -23.35% |
| Accrued Expenses | |||
| YoY Change | |||
| Deferred Revenue | |||
| YoY Change | |||
| Short-Term Debt | $1.088B | $18.00M | $938.0M |
| YoY Change | -5.31% | -97.55% | 22.29% |
| Long-Term Debt Due | $549.6M | $957.7M | $1.484B |
| YoY Change | -28.98% | 156.15% | 728.98% |
| Total Short-Term Liabilities | $3.589B | $2.620B | $3.786B |
| YoY Change | -1.36% | -0.82% | 64.33% |
| LONG-TERM LIABILITIES | |||
| Long-Term Debt | $11.78B | $10.47B | $8.899B |
| YoY Change | 33.37% | 13.35% | -5.69% |
| Other Long-Term Liabilities | $1.074B | $881.1M | $860.6M |
| YoY Change | 25.81% | 0.62% | -1.68% |
| Total Long-Term Liabilities | $9.614B | $8.921B | $8.933B |
| YoY Change | 10.27% | 6.05% | 5.37% |
| TOTAL LIABILITIES | |||
| Total Short-Term Liabilities | $3.589B | $2.620B | $3.786B |
| Total Long-Term Liabilities | $9.614B | $8.921B | $8.933B |
| Total Liabilities | $13.20B | $11.54B | $12.72B |
| YoY Change | 6.85% | 4.41% | 17.97% |
| SHAREHOLDERS EQUITY | |||
| Retained Earnings | $3.561B | $3.474B | $3.364B |
| YoY Change | 12.15% | 12.54% | 13.55% |
| Common Stock | $1.669B | $1.669B | $1.669B |
| YoY Change | 0.0% | 0.0% | 0.0% |
| Preferred Stock | |||
| YoY Change | |||
| Treasury Stock (at cost) | $317.8M | $317.8M | $317.8M |
| YoY Change | 0.0% | 2.51% | -202.51% |
| Treasury Stock Shares | 16.99M shares | 16.99M shares | 16.99M shares |
| Shareholders Equity | $11.09B | $11.00B | $10.89B |
| YoY Change | |||
| Total Liabilities & Shareholders Equity | $36.22B | $33.16B | $32.66B |
| YoY Change | 13.0% | 6.7% | 5.75% |
Cashflow Statement
| Concept | 2017 Q4 | 2017 Q3 | 2017 Q2 |
|---|---|---|---|
| OPERATING ACTIVITIES | |||
| Net Income | $239.4M | $262.2M | $232.6M |
| YoY Change | 3.59% | -1.87% | 13.19% |
| Depreciation, Depletion And Amortization | $202.6M | $236.3M | $182.1M |
| YoY Change | 10.29% | 4.93% | 8.52% |
| Cash From Operating Activities | $520.4M | $580.8M | $449.7M |
| YoY Change | -6.7% | -13.57% | -6.0% |
| INVESTING ACTIVITIES | |||
| Capital Expenditures | -$705.8M | -$495.3M | -$623.4M |
| YoY Change | 14.26% | 1.08% | 42.43% |
| Acquisitions | |||
| YoY Change | |||
| Other Investing Activities | -$872.6M | $31.20M | -$30.00M |
| YoY Change | 406.74% | -750.0% | 552.17% |
| Cash From Investing Activities | -$1.578B | -$464.2M | -$653.3M |
| YoY Change | 99.82% | -6.18% | 47.74% |
| FINANCING ACTIVITIES | |||
| Cash Dividend Paid | |||
| YoY Change | |||
| Common Stock Issuance & Retirement, Net | |||
| YoY Change | |||
| Debt Paid & Issued, Net | |||
| YoY Change | |||
| Cash From Financing Activities | 972.0M | -23.40M | 156.1M |
| YoY Change | 281.63% | -86.69% | -421.86% |
| NET CHANGE | |||
| Cash From Operating Activities | 520.4M | 580.8M | 449.7M |
| Cash From Investing Activities | -1.578B | -464.2M | -653.3M |
| Cash From Financing Activities | 972.0M | -23.40M | 156.1M |
| Net Change In Cash | -86.00M | 93.20M | -47.50M |
| YoY Change | -480.53% | 6557.14% | 286.18% |
| FREE CASH FLOW | |||
| Cash From Operating Activities | $520.4M | $580.8M | $449.7M |
| Capital Expenditures | -$705.8M | -$495.3M | -$623.4M |
| Free Cash Flow | $1.226B | $1.076B | $1.073B |
| YoY Change | 4.31% | -7.39% | 17.14% |
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38700000 | USD |
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20900000 | USD |
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| CY2018 | es |
Proceedsfrom Saleand Maturityof Marketable Securities Usedfor Paymentof Fuel
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|
145000000 | USD |
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22080100000 | USD |
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|
37000000 | USD |
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46900000 | USD |
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63700000 | USD |
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28520200000 | USD |
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30575100000 | USD |
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Public Utilities Property Plantand Equipment Accumulated Depreciation Electric Natural Gasand Water Utility
PublicUtilitiesPropertyPlantandEquipmentAccumulatedDepreciationElectricNaturalGasandWaterUtility
|
7126200000 | USD |
| CY2017Q4 | es |
Public Utilities Property Plantand Equipment Accumulated Depreciation Other
PublicUtilitiesPropertyPlantandEquipmentAccumulatedDepreciationOther
|
286900000 | USD |
| CY2018Q4 | es |
Public Utilities Property Plantand Equipment Accumulated Depreciation Other
PublicUtilitiesPropertyPlantandEquipmentAccumulatedDepreciationOther
|
336700000 | USD |
| CY2017Q4 | es |
Purchase Price In Purchase Sale Agreement For Hydroelectric Assets
PurchasePriceInPurchaseSaleAgreementForHydroelectricAssets
|
83000000 | USD |
| CY2017Q4 | es |
Purchase Price In Purchase Sale Agreement For Thermal Generation Assets
PurchasePriceInPurchaseSaleAgreementForThermalGenerationAssets
|
175000000 | USD |
| CY2017Q4 | es |
Rate Reduction Bonds
RateReductionBonds
|
0 | USD |
| CY2018Q4 | es |
Rate Reduction Bonds
RateReductionBonds
|
583331000 | USD |
| CY2017Q4 | es |
Rate Reduction Bonds Current
RateReductionBondsCurrent
|
0 | USD |
| CY2018Q4 | es |
Rate Reduction Bonds Current
RateReductionBondsCurrent
|
52332000 | USD |
| CY2016 | es |
Renewable Energy Costs Incurred
RenewableEnergyCostsIncurred
|
210900000 | USD |
| CY2017 | es |
Renewable Energy Costs Incurred
RenewableEnergyCostsIncurred
|
235500000 | USD |
| CY2018 | es |
Renewable Energy Costs Incurred
RenewableEnergyCostsIncurred
|
218500000 | USD |
| CY2016 | es |
Supply And Stranded Costs Obligations Incurred
SupplyAndStrandedCostsObligationsIncurred
|
152500000 | USD |
| CY2017 | es |
Supply And Stranded Costs Obligations Incurred
SupplyAndStrandedCostsObligationsIncurred
|
103900000 | USD |
| CY2018 | es |
Supply And Stranded Costs Obligations Incurred
SupplyAndStrandedCostsObligationsIncurred
|
72000000 | USD |
| CY2017 | es |
Tax Remittance To State For Energy Efficiency Funds
TaxRemittanceToStateForEnergyEfficiencyFunds
|
25400000 | USD |
| CY2018 | es |
Tax Remittance To State For Energy Efficiency Funds
TaxRemittanceToStateForEnergyEfficiencyFunds
|
46800000 | USD |
| CY2018 | es |
Transmission Assets Average Useful Life
TransmissionAssetsAverageUsefulLife
|
P41Y3M18D | |
| CY2016 | es |
Transmission Support Commitment Costs Incurred
TransmissionSupportCommitmentCostsIncurred
|
15900000 | USD |
| CY2017 | es |
Transmission Support Commitment Costs Incurred
TransmissionSupportCommitmentCostsIncurred
|
19800000 | USD |
| CY2018 | es |
Transmission Support Commitment Costs Incurred
TransmissionSupportCommitmentCostsIncurred
|
23400000 | USD |
| CY2017Q4 | es |
Uncollectible Hardship Accounts Receivable Reserve
UncollectibleHardshipAccountsReceivableReserve
|
122500000 | USD |
| CY2018Q4 | es |
Uncollectible Hardship Accounts Receivable Reserve
UncollectibleHardshipAccountsReceivableReserve
|
131500000 | USD |
| CY2018 | es |
Unrecorded Unconditional Purchase Obligation Amountof Capacity Contractsfor Differences Between Cl Pand United Illuminated Company
UnrecordedUnconditionalPurchaseObligationAmountofCapacityContractsforDifferencesBetweenCLPandUnitedIlluminatedCompany
|
787 | MW |
| CY2018 | es |
Unrecorded Unconditional Purchase Obligation Numberof Capacity Contractsfor Differences Between Cl Pand United Illuminated Company
UnrecordedUnconditionalPurchaseObligationNumberofCapacityContractsforDifferencesBetweenCLPandUnitedIlluminatedCompany
|
4 | contract |
| CY2018 | es |
Unrecorded Unconditional Purchase Obligation Numberof Demand Response Projects Between Cl Pand United Illuminated Company
UnrecordedUnconditionalPurchaseObligationNumberofDemandResponseProjectsBetweenCLPandUnitedIlluminatedCompany
|
1 | project |
| CY2018 | es |
Unrecorded Unconditional Purchase Obligation Numberof Generation Projects Between Cl Pand United Illuminated Company
UnrecordedUnconditionalPurchaseObligationNumberofGenerationProjectsBetweenCLPandUnitedIlluminatedCompany
|
3 | project |
| CY2016 | es |
Utilities Operating Expense Purchased Power Purchased Transmission And Fuel Used
UtilitiesOperatingExpensePurchasedPowerPurchasedTransmissionAndFuelUsed
|
2500828000 | USD |
| CY2017 | es |
Utilities Operating Expense Purchased Power Purchased Transmission And Fuel Used
UtilitiesOperatingExpensePurchasedPowerPurchasedTransmissionAndFuelUsed
|
2535271000 | USD |
| CY2018 | es |
Utilities Operating Expense Purchased Power Purchased Transmission And Fuel Used
UtilitiesOperatingExpensePurchasedPowerPurchasedTransmissionAndFuelUsed
|
3138969000 | USD |
| CY2018 | es |
Water Assets Average Useful Life
WaterAssetsAverageUsefulLife
|
P33Y3M18D | |
| CY2017Q4 | us-gaap |
Accounts Payable Current
AccountsPayableCurrent
|
1085034000 | USD |
| CY2018Q4 | us-gaap |
Accounts Payable Current
AccountsPayableCurrent
|
1119995000 | USD |
| CY2017Q4 | us-gaap |
Accounts Receivable Net Current
AccountsReceivableNetCurrent
|
925083000 | USD |
| CY2018Q4 | us-gaap |
Accounts Receivable Net Current
AccountsReceivableNetCurrent
|
994055000 | USD |
| CY2016Q4 | us-gaap |
Accrual For Environmental Loss Contingencies
AccrualForEnvironmentalLossContingencies
|
65800000 | USD |
| CY2017Q4 | us-gaap |
Accrual For Environmental Loss Contingencies
AccrualForEnvironmentalLossContingencies
|
54900000 | USD |
| CY2018Q4 | us-gaap |
Accrual For Environmental Loss Contingencies
AccrualForEnvironmentalLossContingencies
|
64700000 | USD |
| CY2017 | us-gaap |
Accrual For Environmental Loss Contingencies Charges To Expense For New Losses
AccrualForEnvironmentalLossContingenciesChargesToExpenseForNewLosses
|
6200000 | USD |
| CY2018 | us-gaap |
Accrual For Environmental Loss Contingencies Charges To Expense For New Losses
AccrualForEnvironmentalLossContingenciesChargesToExpenseForNewLosses
|
23500000 | USD |
| CY2017 | us-gaap |
Accrual For Environmental Loss Contingencies Payments1
AccrualForEnvironmentalLossContingenciesPayments1
|
17100000 | USD |
| CY2018 | us-gaap |
Accrual For Environmental Loss Contingencies Payments1
AccrualForEnvironmentalLossContingenciesPayments1
|
13700000 | USD |
| CY2017Q4 | us-gaap |
Accumulated Other Comprehensive Income Loss Net Of Tax
AccumulatedOtherComprehensiveIncomeLossNetOfTax
|
-66403000 | USD |
| CY2018Q4 | us-gaap |
Accumulated Other Comprehensive Income Loss Net Of Tax
AccumulatedOtherComprehensiveIncomeLossNetOfTax
|
-60000000 | USD |
| CY2017Q4 | us-gaap |
Additional Paid In Capital
AdditionalPaidInCapital
|
6239940000 | USD |
| CY2018Q4 | us-gaap |
Additional Paid In Capital
AdditionalPaidInCapital
|
6241222000 | USD |
| CY2016 | us-gaap |
Allocated Share Based Compensation Expense
AllocatedShareBasedCompensationExpense
|
23600000 | USD |
| CY2017 | us-gaap |
Allocated Share Based Compensation Expense
AllocatedShareBasedCompensationExpense
|
19700000 | USD |
| CY2018 | us-gaap |
Allocated Share Based Compensation Expense
AllocatedShareBasedCompensationExpense
|
21400000 | USD |
| CY2017Q4 | us-gaap |
Allowance For Doubtful Accounts Receivable Current
AllowanceForDoubtfulAccountsReceivableCurrent
|
195700000 | USD |
| CY2018Q4 | us-gaap |
Allowance For Doubtful Accounts Receivable Current
AllowanceForDoubtfulAccountsReceivableCurrent
|
212700000 | USD |
| CY2017Q4 | us-gaap |
Amount Of Regulatory Costs Not Yet Approved
AmountOfRegulatoryCostsNotYetApproved
|
105800000 | USD |
| CY2018Q4 | us-gaap |
Amount Of Regulatory Costs Not Yet Approved
AmountOfRegulatoryCostsNotYetApproved
|
122900000 | USD |
| CY2016Q4 | us-gaap |
Asset Retirement Obligation
AssetRetirementObligation
|
426400000 | USD |
| CY2017Q4 | us-gaap |
Asset Retirement Obligation
AssetRetirementObligation
|
419100000 | USD |
| CY2018Q4 | us-gaap |
Asset Retirement Obligation
AssetRetirementObligation
|
466200000 | USD |
| CY2017 | us-gaap |
Asset Retirement Obligation Accretion Expense
AssetRetirementObligationAccretionExpense
|
26300000 | USD |
| CY2018 | us-gaap |
Asset Retirement Obligation Accretion Expense
AssetRetirementObligationAccretionExpense
|
25500000 | USD |
| CY2017 | us-gaap |
Asset Retirement Obligation Liabilities Incurred
AssetRetirementObligationLiabilitiesIncurred
|
200000 | USD |
| CY2018 | us-gaap |
Asset Retirement Obligation Liabilities Incurred
AssetRetirementObligationLiabilitiesIncurred
|
11300000 | USD |
| CY2017 | us-gaap |
Asset Retirement Obligation Liabilities Settled
AssetRetirementObligationLiabilitiesSettled
|
19300000 | USD |
| CY2018 | us-gaap |
Asset Retirement Obligation Liabilities Settled
AssetRetirementObligationLiabilitiesSettled
|
36600000 | USD |
| CY2017 | us-gaap |
Asset Retirement Obligation Revision Of Estimate
AssetRetirementObligationRevisionOfEstimate
|
-14500000 | USD |
| CY2018 | us-gaap |
Asset Retirement Obligation Revision Of Estimate
AssetRetirementObligationRevisionOfEstimate
|
46900000 | USD |
| CY2017Q4 | us-gaap |
Assets
Assets
|
36220400000 | USD |
| CY2017Q4 | us-gaap |
Assets
Assets
|
36220386000 | USD |
| CY2018Q4 | us-gaap |
Assets
Assets
|
38241256000 | USD |
| CY2018Q4 | us-gaap |
Assets
Assets
|
38241300000 | USD |
| CY2017Q4 | us-gaap |
Assets Current
AssetsCurrent
|
2487099000 | USD |
| CY2018Q4 | us-gaap |
Assets Current
AssetsCurrent
|
2292224000 | USD |
| CY2017Q4 | us-gaap |
Assets Held For Sale Not Part Of Disposal Group Current
AssetsHeldForSaleNotPartOfDisposalGroupCurrent
|
219550000 | USD |
| CY2018Q4 | us-gaap |
Assets Held For Sale Not Part Of Disposal Group Current
AssetsHeldForSaleNotPartOfDisposalGroupCurrent
|
0 | USD |
| CY2017Q4 | us-gaap |
Assets Noncurrent
AssetsNoncurrent
|
10115824000 | USD |
| CY2018Q4 | us-gaap |
Assets Noncurrent
AssetsNoncurrent
|
10338604000 | USD |
| CY2017Q4 | us-gaap |
Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax
AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
|
3200000 | USD |
| CY2018Q4 | us-gaap |
Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax
AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
|
400000 | USD |
| CY2017Q4 | us-gaap |
Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax
AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
|
1100000 | USD |
| CY2018Q4 | us-gaap |
Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax
AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
|
4000000 | USD |
| CY2017Q4 | us-gaap |
Available For Sale Debt Securities Amortized Cost Basis
AvailableForSaleDebtSecuritiesAmortizedCostBasis
|
284900000 | USD |
| CY2018Q4 | us-gaap |
Available For Sale Debt Securities Amortized Cost Basis
AvailableForSaleDebtSecuritiesAmortizedCostBasis
|
190000000 | USD |
| CY2018Q4 | us-gaap |
Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost
AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost
|
43600000 | USD |
| CY2018Q4 | us-gaap |
Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value
AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue
|
42900000 | USD |
| CY2018Q4 | us-gaap |
Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost
AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost
|
29200000 | USD |
| CY2018Q4 | us-gaap |
Available For Sale Securities Debt Maturities After One Through Five Years Fair Value
AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue
|
28900000 | USD |
| CY2018Q4 | us-gaap |
Available For Sale Securities Debt Maturities After Ten Years Amortized Cost
AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost
|
86700000 | USD |
| CY2018Q4 | us-gaap |
Available For Sale Securities Debt Maturities After Ten Years Fair Value
AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue
|
84300000 | USD |
| CY2018Q4 | us-gaap |
Available For Sale Securities Debt Maturities Within One Year Amortized Cost
AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost
|
30500000 | USD |
| CY2018Q4 | us-gaap |
Available For Sale Securities Debt Maturities Within One Year Fair Value
AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue
|
30300000 | USD |
| CY2017Q4 | us-gaap |
Available For Sale Securities Debt Securities
AvailableForSaleSecuritiesDebtSecurities
|
287000000 | USD |
| CY2018Q4 | us-gaap |
Available For Sale Securities Debt Securities
AvailableForSaleSecuritiesDebtSecurities
|
186400000 | USD |
| CY2017Q4 | us-gaap |
Available For Sale Securities Equity Securities
AvailableForSaleSecuritiesEquitySecurities
|
52500000 | USD |
| CY2017 | us-gaap |
Business Acquisitions Pro Forma Income Loss From Continuing Operations Before Changes In Accounting And Extraordinary Items Net Of Tax
BusinessAcquisitionsProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTax
|
1100000 | USD |
| CY2017 | us-gaap |
Business Acquisitions Pro Forma Revenue
BusinessAcquisitionsProFormaRevenue
|
15900000 | USD |
| CY2016 | us-gaap |
Capital Expenditures Incurred But Not Yet Paid
CapitalExpendituresIncurredButNotYetPaid
|
301500000 | USD |
| CY2017 | us-gaap |
Capital Expenditures Incurred But Not Yet Paid
CapitalExpendituresIncurredButNotYetPaid
|
379500000 | USD |
| CY2018 | us-gaap |
Capital Expenditures Incurred But Not Yet Paid
CapitalExpendituresIncurredButNotYetPaid
|
435900000 | USD |
| CY2018Q4 | us-gaap |
Capital Leases Future Minimum Payments Due
CapitalLeasesFutureMinimumPaymentsDue
|
25800000 | USD |
| CY2018Q4 | us-gaap |
Capital Leases Future Minimum Payments Due Current
CapitalLeasesFutureMinimumPaymentsDueCurrent
|
3400000 | USD |
| CY2018Q4 | us-gaap |
Capital Leases Future Minimum Payments Due In Five Years
CapitalLeasesFutureMinimumPaymentsDueInFiveYears
|
700000 | USD |
| CY2018Q4 | us-gaap |
Capital Leases Future Minimum Payments Due In Four Years
CapitalLeasesFutureMinimumPaymentsDueInFourYears
|
1500000 | USD |
| CY2018Q4 | us-gaap |
Capital Leases Future Minimum Payments Due In Three Years
CapitalLeasesFutureMinimumPaymentsDueInThreeYears
|
2900000 | USD |
| CY2018Q4 | us-gaap |
Capital Leases Future Minimum Payments Due In Two Years
CapitalLeasesFutureMinimumPaymentsDueInTwoYears
|
3400000 | USD |
| CY2018Q4 | us-gaap |
Capital Leases Future Minimum Payments Due Thereafter
CapitalLeasesFutureMinimumPaymentsDueThereafter
|
13900000 | USD |
| CY2018Q4 | us-gaap |
Capital Leases Future Minimum Payments Interest Included In Payments
CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments
|
13800000 | USD |
| CY2018Q4 | us-gaap |
Capital Leases Future Minimum Payments Present Value Of Net Minimum Payments
CapitalLeasesFutureMinimumPaymentsPresentValueOfNetMinimumPayments
|
12000000 | USD |
| CY2017Q4 | us-gaap |
Cash
Cash
|
38165000 | USD |
| CY2018Q4 | us-gaap |
Cash
Cash
|
108068000 | USD |
| CY2015Q4 | us-gaap |
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
|
67996000 | USD |
| CY2016Q4 | us-gaap |
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
|
106750000 | USD |
| CY2017Q4 | us-gaap |
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
|
85890000 | USD |
| CY2017Q4 | us-gaap |
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
|
85900000 | USD |
| CY2018Q4 | us-gaap |
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
|
209324000 | USD |
| CY2018Q4 | us-gaap |
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
|
209300000 | USD |
| CY2016 | us-gaap |
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
|
38754000 | USD |
| CY2017 | us-gaap |
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
|
-20860000 | USD |
| CY2018 | us-gaap |
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
|
123434000 | USD |
| CY2018 | us-gaap |
Cash Flow Hedge Gain Loss To Be Reclassified Within Twelve Months
CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths
|
-2500000 | USD |
| CY2017Q4 | us-gaap |
Commitments And Contingencies
CommitmentsAndContingencies
|
USD | |
| CY2018Q4 | us-gaap |
Commitments And Contingencies
CommitmentsAndContingencies
|
USD | |
| CY2016 | us-gaap |
Common Stock Dividends Per Share Cash Paid
CommonStockDividendsPerShareCashPaid
|
1.78 | |
| CY2017 | us-gaap |
Common Stock Dividends Per Share Cash Paid
CommonStockDividendsPerShareCashPaid
|
1.90 | |
| CY2018 | us-gaap |
Common Stock Dividends Per Share Cash Paid
CommonStockDividendsPerShareCashPaid
|
2.02 | |
| CY2016Q4 | us-gaap |
Common Stock Par Or Stated Value Per Share
CommonStockParOrStatedValuePerShare
|
5 | |
| CY2017Q4 | us-gaap |
Common Stock Par Or Stated Value Per Share
CommonStockParOrStatedValuePerShare
|
5 | |
| CY2018Q4 | us-gaap |
Common Stock Par Or Stated Value Per Share
CommonStockParOrStatedValuePerShare
|
5 | |
| CY2017Q4 | us-gaap |
Common Stock Shares Authorized
CommonStockSharesAuthorized
|
380000000 | shares |
| CY2018Q4 | us-gaap |
Common Stock Shares Authorized
CommonStockSharesAuthorized
|
380000000 | shares |
| CY2017Q4 | us-gaap |
Common Stock Shares Issued
CommonStockSharesIssued
|
333878402 | shares |
| CY2018Q4 | us-gaap |
Common Stock Shares Issued
CommonStockSharesIssued
|
333878402 | shares |
| CY2017Q4 | us-gaap |
Common Stock Value
CommonStockValue
|
1669392000 | USD |
| CY2018Q4 | us-gaap |
Common Stock Value
CommonStockValue
|
1669392000 | USD |
| CY2016 | us-gaap |
Comprehensive Income Net Of Tax
ComprehensiveIncomeNetOfTax
|
943864000 | USD |
| CY2017 | us-gaap |
Comprehensive Income Net Of Tax
ComprehensiveIncomeNetOfTax
|
986875000 | USD |
| CY2018 | us-gaap |
Comprehensive Income Net Of Tax
ComprehensiveIncomeNetOfTax
|
1039403000 | USD |
| CY2016 | us-gaap |
Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest
ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest
|
7519000 | USD |
| CY2017 | us-gaap |
Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest
ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest
|
7519000 | USD |
| CY2018 | us-gaap |
Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest
ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest
|
7519000 | USD |
| CY2016 | us-gaap |
Current Federal Tax Expense Benefit
CurrentFederalTaxExpenseBenefit
|
38900000 | USD |
| CY2017 | us-gaap |
Current Federal Tax Expense Benefit
CurrentFederalTaxExpenseBenefit
|
58900000 | USD |
| CY2018 | us-gaap |
Current Federal Tax Expense Benefit
CurrentFederalTaxExpenseBenefit
|
106500000 | USD |
| CY2016 | us-gaap |
Current Income Tax Expense Benefit
CurrentIncomeTaxExpenseBenefit
|
91900000 | USD |
| CY2017 | us-gaap |
Current Income Tax Expense Benefit
CurrentIncomeTaxExpenseBenefit
|
90500000 | USD |
| CY2018 | us-gaap |
Current Income Tax Expense Benefit
CurrentIncomeTaxExpenseBenefit
|
117100000 | USD |
| CY2016 | us-gaap |
Current State And Local Tax Expense Benefit
CurrentStateAndLocalTaxExpenseBenefit
|
53000000 | USD |
| CY2017 | us-gaap |
Current State And Local Tax Expense Benefit
CurrentStateAndLocalTaxExpenseBenefit
|
31600000 | USD |
| CY2018 | us-gaap |
Current State And Local Tax Expense Benefit
CurrentStateAndLocalTaxExpenseBenefit
|
10600000 | USD |
| CY2018 | us-gaap |
Customer Refundable Fees Refund Payments1
CustomerRefundableFeesRefundPayments1
|
5000000 | USD |
| CY2017 | us-gaap |
Debt Securities Available For Sale Realized Gain
DebtSecuritiesAvailableForSaleRealizedGain
|
9800000 | USD |
| CY2018Q2 | us-gaap |
Debt Weighted Average Interest Rate
DebtWeightedAverageInterestRate
|
0.0366 | |
| CY2016Q4 | us-gaap |
Deferred Compensation Cashbased Arrangements Liability Classified Noncurrent
DeferredCompensationCashbasedArrangementsLiabilityClassifiedNoncurrent
|
54200000 | USD |
| CY2017Q4 | us-gaap |
Deferred Compensation Cashbased Arrangements Liability Classified Noncurrent
DeferredCompensationCashbasedArrangementsLiabilityClassifiedNoncurrent
|
53400000 | USD |
| CY2018Q4 | us-gaap |
Deferred Compensation Cashbased Arrangements Liability Classified Noncurrent
DeferredCompensationCashbasedArrangementsLiabilityClassifiedNoncurrent
|
49100000 | USD |
| CY2016 | us-gaap |
Deferred Federal Income Tax Expense Benefit
DeferredFederalIncomeTaxExpenseBenefit
|
427900000 | USD |
| CY2017 | us-gaap |
Deferred Federal Income Tax Expense Benefit
DeferredFederalIncomeTaxExpenseBenefit
|
433000000 | USD |
| CY2018 | us-gaap |
Deferred Federal Income Tax Expense Benefit
DeferredFederalIncomeTaxExpenseBenefit
|
122600000 | USD |
| CY2016 | us-gaap |
Deferred Income Tax Expense Benefit
DeferredIncomeTaxExpenseBenefit
|
466463000 | USD |
| CY2016 | us-gaap |
Deferred Income Tax Expense Benefit
DeferredIncomeTaxExpenseBenefit
|
466500000 | USD |
| CY2017 | us-gaap |
Deferred Income Tax Expense Benefit
DeferredIncomeTaxExpenseBenefit
|
491630000 | USD |
| CY2017 | us-gaap |
Deferred Income Tax Expense Benefit
DeferredIncomeTaxExpenseBenefit
|
491600000 | USD |
| CY2018 | us-gaap |
Deferred Income Tax Expense Benefit
DeferredIncomeTaxExpenseBenefit
|
174800000 | USD |
| CY2018 | us-gaap |
Deferred Income Tax Expense Benefit
DeferredIncomeTaxExpenseBenefit
|
174812000 | USD |
| CY2017Q4 | us-gaap |
Deferred Income Tax Liabilities Net
DeferredIncomeTaxLiabilitiesNet
|
3297518000 | USD |
| CY2018Q4 | us-gaap |
Deferred Income Tax Liabilities Net
DeferredIncomeTaxLiabilitiesNet
|
3506030000 | USD |
| CY2016 | us-gaap |
Deferred State And Local Income Tax Expense Benefit
DeferredStateAndLocalIncomeTaxExpenseBenefit
|
38600000 | USD |
| CY2017 | us-gaap |
Deferred State And Local Income Tax Expense Benefit
DeferredStateAndLocalIncomeTaxExpenseBenefit
|
58600000 | USD |
| CY2018 | us-gaap |
Deferred State And Local Income Tax Expense Benefit
DeferredStateAndLocalIncomeTaxExpenseBenefit
|
52200000 | USD |
| CY2017Q4 | us-gaap |
Deferred Tax Assets Derivative Instruments
DeferredTaxAssetsDerivativeInstruments
|
111800000 | USD |
| CY2018Q4 | us-gaap |
Deferred Tax Assets Derivative Instruments
DeferredTaxAssetsDerivativeInstruments
|
111400000 | USD |
| CY2017Q4 | us-gaap |
Deferred Tax Assets Gross
DeferredTaxAssetsGross
|
1909400000 | USD |
| CY2018Q4 | us-gaap |
Deferred Tax Assets Gross
DeferredTaxAssetsGross
|
1942100000 | USD |
| CY2017Q4 | us-gaap |
Deferred Tax Assets Net
DeferredTaxAssetsNet
|
1894800000 | USD |
| CY2018Q4 | us-gaap |
Deferred Tax Assets Net
DeferredTaxAssetsNet
|
1922600000 | USD |
| CY2017Q4 | us-gaap |
Deferred Tax Assets Operating Loss Carryforwards
DeferredTaxAssetsOperatingLossCarryforwards
|
47800000 | USD |
| CY2018Q4 | us-gaap |
Deferred Tax Assets Operating Loss Carryforwards
DeferredTaxAssetsOperatingLossCarryforwards
|
28500000 | USD |
| CY2017Q4 | us-gaap |
Deferred Tax Assets Other
DeferredTaxAssetsOther
|
149500000 | USD |
| CY2018Q4 | us-gaap |
Deferred Tax Assets Other
DeferredTaxAssetsOther
|
166200000 | USD |
| CY2017Q4 | us-gaap |
Deferred Tax Assets Regulatory Assets And Liabilities
DeferredTaxAssetsRegulatoryAssetsAndLiabilities
|
205600000 | USD |
| CY2018Q4 | us-gaap |
Deferred Tax Assets Regulatory Assets And Liabilities
DeferredTaxAssetsRegulatoryAssetsAndLiabilities
|
299300000 | USD |
| CY2017Q4 | us-gaap |
Deferred Tax Assets Tax Deferred Expense Compensation And Benefits
DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits
|
442100000 | USD |
| CY2018Q4 | us-gaap |
Deferred Tax Assets Tax Deferred Expense Compensation And Benefits
DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits
|
388200000 | USD |
| CY2017Q4 | us-gaap |
Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Allowance For Doubtful Accounts
DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts
|
50100000 | USD |
| CY2018Q4 | us-gaap |
Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Allowance For Doubtful Accounts
DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts
|
54000000 | USD |
| CY2017Q4 | us-gaap |
Deferred Tax Assets Valuation Allowance
DeferredTaxAssetsValuationAllowance
|
14600000 | USD |
| CY2018Q4 | us-gaap |
Deferred Tax Assets Valuation Allowance
DeferredTaxAssetsValuationAllowance
|
19500000 | USD |
| CY2017Q4 | us-gaap |
Deferred Tax Liabilities
DeferredTaxLiabilities
|
5192300000 | USD |
| CY2018Q4 | us-gaap |
Deferred Tax Liabilities
DeferredTaxLiabilities
|
5428600000 | USD |
| CY2017Q4 | us-gaap |
Deferred Tax Liabilities Other
DeferredTaxLiabilitiesOther
|
288400000 | USD |
| CY2018Q4 | us-gaap |
Deferred Tax Liabilities Other
DeferredTaxLiabilitiesOther
|
251100000 | USD |
| CY2017Q4 | us-gaap |
Deferred Tax Liabilities Property Plant And Equipment
DeferredTaxLiabilitiesPropertyPlantAndEquipment
|
3562000000 | USD |
| CY2018Q4 | us-gaap |
Deferred Tax Liabilities Property Plant And Equipment
DeferredTaxLiabilitiesPropertyPlantAndEquipment
|
3724200000 | USD |
| CY2017Q1 | us-gaap |
Earnings Per Share Basic And Diluted
EarningsPerShareBasicAndDiluted
|
0.82 | |
| CY2017Q2 | us-gaap |
Earnings Per Share Basic And Diluted
EarningsPerShareBasicAndDiluted
|
0.73 | |
| CY2017Q3 | us-gaap |
Earnings Per Share Basic And Diluted
EarningsPerShareBasicAndDiluted
|
0.82 | |
| CY2017Q4 | us-gaap |
Earnings Per Share Basic And Diluted
EarningsPerShareBasicAndDiluted
|
0.75 | |
| CY2018Q1 | us-gaap |
Earnings Per Share Basic And Diluted
EarningsPerShareBasicAndDiluted
|
0.85 | |
| CY2018Q2 | us-gaap |
Earnings Per Share Basic And Diluted
EarningsPerShareBasicAndDiluted
|
0.76 | |
| CY2018 | us-gaap |
Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Discount Rate
DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate
|
0.07 | |
| CY2018 | us-gaap |
Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Expected Long Term Return On Assets
DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets
|
0.07 | |
| CY2018 | us-gaap |
Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Rate Of Compensation Increase
DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncrease
|
0.04 | |
| CY2018 | us-gaap |
Defined Benefit Plan Narrative Description Of Basis Used To Determine Overall Expected Long Term Rate Of Return On Assets Assumption
DefinedBenefitPlanNarrativeDescriptionOfBasisUsedToDetermineOverallExpectedLongTermRateOfReturnOnAssetsAssumption
|
0.07 | |
| CY2016 | us-gaap |
Defined Contribution Plan Cost Recognized
DefinedContributionPlanCostRecognized
|
31800000 | USD |
| CY2017 | us-gaap |
Defined Contribution Plan Cost Recognized
DefinedContributionPlanCostRecognized
|
34500000 | USD |
| CY2018 | us-gaap |
Defined Contribution Plan Cost Recognized
DefinedContributionPlanCostRecognized
|
38400000 | USD |
| CY2016 | us-gaap |
Depreciation
Depreciation
|
715466000 | USD |
| CY2017 | us-gaap |
Depreciation
Depreciation
|
773802000 | USD |
| CY2018 | us-gaap |
Depreciation
Depreciation
|
819930000 | USD |
| CY2016 | us-gaap |
Depreciation Depletion And Amortization
DepreciationDepletionAndAmortization
|
787100000 | USD |
| CY2017 | us-gaap |
Depreciation Depletion And Amortization
DepreciationDepletionAndAmortization
|
863800000 | USD |
| CY2018 | us-gaap |
Depreciation Depletion And Amortization
DepreciationDepletionAndAmortization
|
1072000000 | USD |
| CY2017Q4 | us-gaap |
Derivative Liabilities Noncurrent
DerivativeLiabilitiesNoncurrent
|
377257000 | USD |
| CY2018Q4 | us-gaap |
Derivative Liabilities Noncurrent
DerivativeLiabilitiesNoncurrent
|
379562000 | USD |
| CY2016 | us-gaap |
Dividends Common Stock
DividendsCommonStock
|
564486000 | USD |
| CY2017 | us-gaap |
Dividends Common Stock
DividendsCommonStock
|
602083000 | USD |
| CY2018 | us-gaap |
Dividends Common Stock
DividendsCommonStock
|
640110000 | USD |
| CY2016 | us-gaap |
Dividends Preferred Stock
DividendsPreferredStock
|
7519000 | USD |
| CY2017 | us-gaap |
Dividends Preferred Stock
DividendsPreferredStock
|
7519000 | USD |
| CY2018 | us-gaap |
Dividends Preferred Stock
DividendsPreferredStock
|
7519000 | USD |
| CY2016 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
2.97 | |
| CY2017 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
3.11 | |
| CY2018 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
3.25 | |
| CY2018Q3 | us-gaap |
Earnings Per Share Basic And Diluted
EarningsPerShareBasicAndDiluted
|
0.91 | |
| CY2018Q4 | us-gaap |
Earnings Per Share Basic And Diluted
EarningsPerShareBasicAndDiluted
|
0.73 | |
| CY2016 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
2.96 | |
| CY2017 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
3.11 | |
| CY2018 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
3.25 | |
| CY2016 | us-gaap |
Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
|
0.369 | |
| CY2017 | us-gaap |
Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
|
0.368 | |
| CY2018 | us-gaap |
Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
|
0.217 | |
| CY2016 | us-gaap |
Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
|
0.35 | |
| CY2017 | us-gaap |
Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
|
0.35 | |
| CY2018 | us-gaap |
Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
|
0.21 | |
| CY2016 | us-gaap |
Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Amount
EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount
|
19100000 | USD |
| CY2017 | us-gaap |
Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Amount
EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount
|
2900000 | USD |
| CY2018 | us-gaap |
Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Amount
EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount
|
1500000 | USD |
| CY2018Q4 | us-gaap |
Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized
EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
|
22300000 | USD |
| CY2016 | us-gaap |
Employee Service Share Based Compensation Tax Benefit From Compensation Expense
EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense
|
9600000 | USD |
| CY2017 | us-gaap |
Employee Service Share Based Compensation Tax Benefit From Compensation Expense
EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense
|
8000000 | USD |
| CY2018 | us-gaap |
Employee Service Share Based Compensation Tax Benefit From Compensation Expense
EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense
|
5400000 | USD |
| CY2017Q4 | us-gaap |
Energy Related Inventory
EnergyRelatedInventory
|
223063000 | USD |
| CY2018Q4 | us-gaap |
Energy Related Inventory
EnergyRelatedInventory
|
238042000 | USD |
| CY2018Q3 | us-gaap |
Equity Method Investment Other Than Temporary Impairment
EquityMethodInvestmentOtherThanTemporaryImpairment
|
32900000 | USD |
| CY2018 | us-gaap |
Equity Method Investment Other Than Temporary Impairment
EquityMethodInvestmentOtherThanTemporaryImpairment
|
32900000 | USD |
| CY2017Q4 | us-gaap |
Equity Method Investments
EquityMethodInvestments
|
277600000 | USD |
| CY2018Q4 | us-gaap |
Equity Method Investments
EquityMethodInvestments
|
463700000 | USD |
| CY2018Q4 | us-gaap |
Equity Securities Fv Ni
EquitySecuritiesFvNi
|
44000000 | USD |
| CY2016 | us-gaap |
Excise And Sales Taxes
ExciseAndSalesTaxes
|
162700000 | USD |
| CY2017 | us-gaap |
Excise And Sales Taxes
ExciseAndSalesTaxes
|
157400000 | USD |
| CY2018 | us-gaap |
Excise And Sales Taxes
ExciseAndSalesTaxes
|
161900000 | USD |
| CY2017Q4 | us-gaap |
Goodwill
Goodwill
|
4427266000 | USD |
| CY2018Q4 | us-gaap |
Goodwill
Goodwill
|
4427266000 | USD |
| CY2017Q4 | us-gaap |
Goodwill Impairment Loss
GoodwillImpairmentLoss
|
0 | USD |
| CY2018 | us-gaap |
Goodwill Period Increase Decrease
GoodwillPeriodIncreaseDecrease
|
4400000000 | USD |
| CY2016 | us-gaap |
Income Loss From Continuing Operations Before Income Taxes Domestic
IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic
|
1504800000 | USD |
| CY2016 | us-gaap |
Income Loss From Continuing Operations Before Income Taxes Domestic
IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic
|
1504818000 | USD |
| CY2017 | us-gaap |
Income Loss From Continuing Operations Before Income Taxes Domestic
IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic
|
1574407000 | USD |
| CY2017 | us-gaap |
Income Loss From Continuing Operations Before Income Taxes Domestic
IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic
|
1574400000 | USD |
| CY2018 | us-gaap |
Income Loss From Continuing Operations Before Income Taxes Domestic
IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic
|
1329500000 | USD |
| CY2018 | us-gaap |
Income Loss From Continuing Operations Before Income Taxes Domestic
IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic
|
1329491000 | USD |
| CY2016 | us-gaap |
Income Tax Expense Benefit
IncomeTaxExpenseBenefit
|
555000000 | USD |
| CY2016 | us-gaap |
Income Tax Expense Benefit
IncomeTaxExpenseBenefit
|
554997000 | USD |
| CY2017 | us-gaap |
Income Tax Expense Benefit
IncomeTaxExpenseBenefit
|
578892000 | USD |
| CY2017 | us-gaap |
Income Tax Expense Benefit
IncomeTaxExpenseBenefit
|
578900000 | USD |
| CY2018 | us-gaap |
Income Tax Expense Benefit
IncomeTaxExpenseBenefit
|
288972000 | USD |
| CY2018 | us-gaap |
Income Tax Expense Benefit
IncomeTaxExpenseBenefit
|
289000000 | USD |
| CY2016 | us-gaap |
Income Tax Rate Reconciliation Deductions Employee Stock Ownership Plan Dividends
IncomeTaxRateReconciliationDeductionsEmployeeStockOwnershipPlanDividends
|
8400000 | USD |
| CY2017 | us-gaap |
Income Tax Rate Reconciliation Deductions Employee Stock Ownership Plan Dividends
IncomeTaxRateReconciliationDeductionsEmployeeStockOwnershipPlanDividends
|
8400000 | USD |
| CY2018 | us-gaap |
Income Tax Rate Reconciliation Deductions Employee Stock Ownership Plan Dividends
IncomeTaxRateReconciliationDeductionsEmployeeStockOwnershipPlanDividends
|
5100000 | USD |
| CY2016 | us-gaap |
Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance
IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance
|
3300000 | USD |
| CY2017 | us-gaap |
Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance
IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance
|
7000000 | USD |
| CY2018 | us-gaap |
Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance
IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance
|
5200000 | USD |
| CY2016 | us-gaap |
Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate
IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate
|
526700000 | USD |
| CY2017 | us-gaap |
Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate
IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate
|
551000000 | USD |
| CY2018 | us-gaap |
Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate
IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate
|
279200000 | USD |
| CY2016 | us-gaap |
Income Tax Reconciliation Nondeductible Expense Depreciation
IncomeTaxReconciliationNondeductibleExpenseDepreciation
|
-3400000 | USD |
| CY2017 | us-gaap |
Income Tax Reconciliation Nondeductible Expense Depreciation
IncomeTaxReconciliationNondeductibleExpenseDepreciation
|
-10800000 | USD |
| CY2018 | us-gaap |
Income Tax Reconciliation Nondeductible Expense Depreciation
IncomeTaxReconciliationNondeductibleExpenseDepreciation
|
-30800000 | USD |
| CY2016 | us-gaap |
Income Tax Reconciliation Other Adjustments
IncomeTaxReconciliationOtherAdjustments
|
6600000 | USD |
| CY2017 | us-gaap |
Income Tax Reconciliation Other Adjustments
IncomeTaxReconciliationOtherAdjustments
|
-1500000 | USD |
| CY2018 | us-gaap |
Income Tax Reconciliation Other Adjustments
IncomeTaxReconciliationOtherAdjustments
|
500000 | USD |
| CY2016 | us-gaap |
Income Tax Reconciliation State And Local Income Taxes
IncomeTaxReconciliationStateAndLocalIncomeTaxes
|
56200000 | USD |
| CY2017 | us-gaap |
Income Tax Reconciliation State And Local Income Taxes
IncomeTaxReconciliationStateAndLocalIncomeTaxes
|
47700000 | USD |
| CY2018 | us-gaap |
Income Tax Reconciliation State And Local Income Taxes
IncomeTaxReconciliationStateAndLocalIncomeTaxes
|
44400000 | USD |
| CY2016 | us-gaap |
Income Tax Reconciliation Tax Credits Investment
IncomeTaxReconciliationTaxCreditsInvestment
|
3400000 | USD |
| CY2017 | us-gaap |
Income Tax Reconciliation Tax Credits Investment
IncomeTaxReconciliationTaxCreditsInvestment
|
3200000 | USD |
| CY2018 | us-gaap |
Income Tax Reconciliation Tax Credits Investment
IncomeTaxReconciliationTaxCreditsInvestment
|
2900000 | USD |
| CY2018 | us-gaap |
Increase Decrease In Regulatory Assets And Liabilities
IncreaseDecreaseInRegulatoryAssetsAndLiabilities
|
-34920000 | USD |
| CY2016 | us-gaap |
Interest Expense
InterestExpense
|
400961000 | USD |
| CY2016 | us-gaap |
Interest Expense
InterestExpense
|
401000000 | USD |
| CY2017 | us-gaap |
Interest Expense
InterestExpense
|
421755000 | USD |
| CY2017 | us-gaap |
Interest Expense
InterestExpense
|
421800000 | USD |
| CY2016 | us-gaap |
Income Tax Reconciliation Tax Credits Other
IncomeTaxReconciliationTaxCreditsOther
|
3500000 | USD |
| CY2017 | us-gaap |
Income Tax Reconciliation Tax Credits Other
IncomeTaxReconciliationTaxCreditsOther
|
0 | USD |
| CY2018 | us-gaap |
Income Tax Reconciliation Tax Credits Other
IncomeTaxReconciliationTaxCreditsOther
|
0 | USD |
| CY2016 | us-gaap |
Income Taxes Paid Net
IncomeTaxesPaidNet
|
-135500000 | USD |
| CY2017 | us-gaap |
Income Taxes Paid Net
IncomeTaxesPaidNet
|
30800000 | USD |
| CY2018 | us-gaap |
Income Taxes Paid Net
IncomeTaxesPaidNet
|
158800000 | USD |
| CY2016 | us-gaap |
Increase Decrease In Accounts Payable
IncreaseDecreaseInAccountsPayable
|
-14126000 | USD |
| CY2017 | us-gaap |
Increase Decrease In Accounts Payable
IncreaseDecreaseInAccountsPayable
|
56067000 | USD |
| CY2018 | us-gaap |
Increase Decrease In Accounts Payable
IncreaseDecreaseInAccountsPayable
|
-22084000 | USD |
| CY2016 | us-gaap |
Increase Decrease In Income Taxes Receivable
IncreaseDecreaseInIncomeTaxesReceivable
|
-234543000 | USD |
| CY2017 | us-gaap |
Increase Decrease In Income Taxes Receivable
IncreaseDecreaseInIncomeTaxesReceivable
|
-52284000 | USD |
| CY2018 | us-gaap |
Increase Decrease In Income Taxes Receivable
IncreaseDecreaseInIncomeTaxesReceivable
|
67770000 | USD |
| CY2016 | us-gaap |
Increase Decrease In Inventories
IncreaseDecreaseInInventories
|
-7755000 | USD |
| CY2017 | us-gaap |
Increase Decrease In Inventories
IncreaseDecreaseInInventories
|
9223000 | USD |
| CY2018 | us-gaap |
Increase Decrease In Inventories
IncreaseDecreaseInInventories
|
831000 | USD |
| CY2016 | us-gaap |
Increase Decrease In Other Operating Capital Net
IncreaseDecreaseInOtherOperatingCapitalNet
|
-13737000 | USD |
| CY2017 | us-gaap |
Increase Decrease In Other Operating Capital Net
IncreaseDecreaseInOtherOperatingCapitalNet
|
-91545000 | USD |
| CY2018 | us-gaap |
Increase Decrease In Other Operating Capital Net
IncreaseDecreaseInOtherOperatingCapitalNet
|
-78226000 | USD |
| CY2016 | us-gaap |
Increase Decrease In Receivables
IncreaseDecreaseInReceivables
|
142699000 | USD |
| CY2017 | us-gaap |
Increase Decrease In Receivables
IncreaseDecreaseInReceivables
|
117155000 | USD |
| CY2018 | us-gaap |
Increase Decrease In Receivables
IncreaseDecreaseInReceivables
|
141433000 | USD |
| CY2016 | us-gaap |
Increase Decrease In Regulatory Assets And Liabilities
IncreaseDecreaseInRegulatoryAssetsAndLiabilities
|
-13340000 | USD |
| CY2017 | us-gaap |
Increase Decrease In Regulatory Assets And Liabilities
IncreaseDecreaseInRegulatoryAssetsAndLiabilities
|
47935000 | USD |
| CY2018 | us-gaap |
Interest Expense
InterestExpense
|
498805000 | USD |
| CY2018 | us-gaap |
Interest Expense
InterestExpense
|
498800000 | USD |
| CY2016 | us-gaap |
Interest Paid Net
InterestPaidNet
|
398100000 | USD |
| CY2017 | us-gaap |
Interest Paid Net
InterestPaidNet
|
419100000 | USD |
| CY2018 | us-gaap |
Interest Paid Net
InterestPaidNet
|
503200000 | USD |
| CY2017Q4 | us-gaap |
Inventory Gross
InventoryGross
|
223100000 | USD |
| CY2018Q4 | us-gaap |
Inventory Gross
InventoryGross
|
238000000 | USD |
| CY2016 | us-gaap |
Investment Income Interest
InvestmentIncomeInterest
|
11000000 | USD |
| CY2017 | us-gaap |
Investment Income Interest
InvestmentIncomeInterest
|
8300000 | USD |
| CY2018 | us-gaap |
Investment Income Interest
InvestmentIncomeInterest
|
18100000 | USD |
| CY2017Q4 | us-gaap |
Investments Fair Value Disclosure
InvestmentsFairValueDisclosure
|
600800000 | USD |
| CY2018Q4 | us-gaap |
Investments Fair Value Disclosure
InvestmentsFairValueDisclosure
|
430400000 | USD |
| CY2016 | us-gaap |
Lease And Rental Expense
LeaseAndRentalExpense
|
12100000 | USD |
| CY2017 | us-gaap |
Lease And Rental Expense
LeaseAndRentalExpense
|
10500000 | USD |
| CY2018 | us-gaap |
Lease And Rental Expense
LeaseAndRentalExpense
|
10800000 | USD |
| CY2017Q4 | us-gaap |
Liabilities And Stockholders Equity
LiabilitiesAndStockholdersEquity
|
36220386000 | USD |
| CY2016 | us-gaap |
Net Income Loss
NetIncomeLoss
|
949821000 | USD |
| CY2018Q4 | us-gaap |
Liabilities And Stockholders Equity
LiabilitiesAndStockholdersEquity
|
38241256000 | USD |
| CY2017Q4 | us-gaap |
Liabilities Current
LiabilitiesCurrent
|
3589045000 | USD |
| CY2018Q4 | us-gaap |
Liabilities Current
LiabilitiesCurrent
|
4112882000 | USD |
| CY2017Q4 | us-gaap |
Liabilities Noncurrent
LiabilitiesNoncurrent
|
9613640000 | USD |
| CY2018Q4 | us-gaap |
Liabilities Noncurrent
LiabilitiesNoncurrent
|
9653913000 | USD |
| CY2017Q4 | us-gaap |
Long Term Debt Current
LongTermDebtCurrent
|
549631000 | USD |
| CY2018Q4 | us-gaap |
Long Term Debt Current
LongTermDebtCurrent
|
837319000 | USD |
| CY2018Q4 | us-gaap |
Long Term Debt Maturities Repayments Of Principal After Year Five
LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive
|
7977700000 | USD |
| CY2018Q4 | us-gaap |
Long Term Debt Maturities Repayments Of Principal In Next Twelve Months
LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths
|
801100000 | USD |
| CY2018Q4 | us-gaap |
Long Term Debt Maturities Repayments Of Principal In Year Five
LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive
|
1665200000 | USD |
| CY2018Q4 | us-gaap |
Long Term Debt Maturities Repayments Of Principal In Year Four
LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour
|
1188900000 | USD |
| CY2018Q4 | us-gaap |
Long Term Debt Maturities Repayments Of Principal In Year Three
LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree
|
1033500000 | USD |
| CY2018Q4 | us-gaap |
Long Term Debt Maturities Repayments Of Principal In Year Two
LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo
|
296100000 | USD |
| CY2017Q4 | us-gaap |
Long Term Debt Noncurrent
LongTermDebtNoncurrent
|
11775889000 | USD |
| CY2018Q4 | us-gaap |
Long Term Debt Noncurrent
LongTermDebtNoncurrent
|
12248743000 | USD |
| CY2016Q1 | us-gaap |
Loss Contingency Damages Awarded Value
LossContingencyDamagesAwardedValue
|
26100000 | USD |
| CY2017Q4 | us-gaap |
Marketable Securities Noncurrent
MarketableSecuritiesNoncurrent
|
585419000 | USD |
| CY2018Q4 | us-gaap |
Marketable Securities Noncurrent
MarketableSecuritiesNoncurrent
|
417508000 | USD |
| CY2016 | us-gaap |
Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
|
-17940000 | USD |
| CY2017 | us-gaap |
Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
|
1213454000 | USD |
| CY2018 | us-gaap |
Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
|
729937000 | USD |
| CY2016 | us-gaap |
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
|
-2151548000 | USD |
| CY2017 | us-gaap |
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
|
-3230516000 | USD |
| CY2018 | us-gaap |
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
|
-2390481000 | USD |
| CY2016 | us-gaap |
Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
|
2208242000 | USD |
| CY2017 | us-gaap |
Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
|
1996202000 | USD |
| CY2018 | us-gaap |
Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
|
1783978000 | USD |
| CY2016 | us-gaap |
Net Income Loss
NetIncomeLoss
|
949800000 | USD |
| CY2017Q1 | us-gaap |
Net Income Loss
NetIncomeLoss
|
261300000 | USD |
| CY2017Q2 | us-gaap |
Net Income Loss
NetIncomeLoss
|
232600000 | USD |
| CY2017Q3 | us-gaap |
Net Income Loss
NetIncomeLoss
|
262200000 | USD |
| CY2017Q4 | us-gaap |
Net Income Loss
NetIncomeLoss
|
239400000 | USD |
| CY2017 | us-gaap |
Net Income Loss
NetIncomeLoss
|
995500000 | USD |
| CY2017 | us-gaap |
Net Income Loss
NetIncomeLoss
|
995515000 | USD |
| CY2018Q1 | us-gaap |
Net Income Loss
NetIncomeLoss
|
271400000 | USD |
| CY2018Q2 | us-gaap |
Net Income Loss
NetIncomeLoss
|
244600000 | USD |
| CY2018Q3 | us-gaap |
Net Income Loss
NetIncomeLoss
|
291300000 | USD |
| CY2018Q4 | us-gaap |
Net Income Loss
NetIncomeLoss
|
233200000 | USD |
| CY2018 | us-gaap |
Net Income Loss
NetIncomeLoss
|
1040500000 | USD |
| CY2018 | us-gaap |
Net Income Loss
NetIncomeLoss
|
1040519000 | USD |
| CY2016 | us-gaap |
Net Income Loss Attributable To Noncontrolling Interest
NetIncomeLossAttributableToNoncontrollingInterest
|
7500000 | USD |
| CY2016 | us-gaap |
Net Income Loss Attributable To Noncontrolling Interest
NetIncomeLossAttributableToNoncontrollingInterest
|
7519000 | USD |
| CY2017 | us-gaap |
Net Income Loss Attributable To Noncontrolling Interest
NetIncomeLossAttributableToNoncontrollingInterest
|
7519000 | USD |
| CY2017Q1 | us-gaap |
Net Income Loss Available To Common Stockholders Basic
NetIncomeLossAvailableToCommonStockholdersBasic
|
259500000 | USD |
| CY2017Q2 | us-gaap |
Net Income Loss Available To Common Stockholders Basic
NetIncomeLossAvailableToCommonStockholdersBasic
|
230700000 | USD |
| CY2017 | us-gaap |
Net Income Loss Attributable To Noncontrolling Interest
NetIncomeLossAttributableToNoncontrollingInterest
|
7500000 | USD |
| CY2018 | us-gaap |
Net Income Loss Attributable To Noncontrolling Interest
NetIncomeLossAttributableToNoncontrollingInterest
|
7500000 | USD |
| CY2018 | us-gaap |
Net Income Loss Attributable To Noncontrolling Interest
NetIncomeLossAttributableToNoncontrollingInterest
|
7519000 | USD |
| CY2016 | us-gaap |
Net Income Loss Available To Common Stockholders Basic
NetIncomeLossAvailableToCommonStockholdersBasic
|
942300000 | USD |
| CY2016 | us-gaap |
Net Income Loss Available To Common Stockholders Basic
NetIncomeLossAvailableToCommonStockholdersBasic
|
942302000 | USD |
| CY2017Q3 | us-gaap |
Net Income Loss Available To Common Stockholders Basic
NetIncomeLossAvailableToCommonStockholdersBasic
|
260400000 | USD |
| CY2017Q4 | us-gaap |
Net Income Loss Available To Common Stockholders Basic
NetIncomeLossAvailableToCommonStockholdersBasic
|
237400000 | USD |
| CY2017 | us-gaap |
Net Income Loss Available To Common Stockholders Basic
NetIncomeLossAvailableToCommonStockholdersBasic
|
988000000 | USD |
| CY2017 | us-gaap |
Net Income Loss Available To Common Stockholders Basic
NetIncomeLossAvailableToCommonStockholdersBasic
|
987996000 | USD |
| CY2018Q1 | us-gaap |
Net Income Loss Available To Common Stockholders Basic
NetIncomeLossAvailableToCommonStockholdersBasic
|
269500000 | USD |
| CY2018Q2 | us-gaap |
Net Income Loss Available To Common Stockholders Basic
NetIncomeLossAvailableToCommonStockholdersBasic
|
242800000 | USD |
| CY2018Q3 | us-gaap |
Net Income Loss Available To Common Stockholders Basic
NetIncomeLossAvailableToCommonStockholdersBasic
|
289400000 | USD |
| CY2018Q4 | us-gaap |
Net Income Loss Available To Common Stockholders Basic
NetIncomeLossAvailableToCommonStockholdersBasic
|
231300000 | USD |
| CY2018 | us-gaap |
Net Income Loss Available To Common Stockholders Basic
NetIncomeLossAvailableToCommonStockholdersBasic
|
1033000000 | USD |
| CY2018 | us-gaap |
Net Income Loss Available To Common Stockholders Basic
NetIncomeLossAvailableToCommonStockholdersBasic
|
1033000000 | USD |
| CY2016 | us-gaap |
Nonoperating Income Expense
NonoperatingIncomeExpense
|
64505000 | USD |
| CY2016 | us-gaap |
Nonoperating Income Expense
NonoperatingIncomeExpense
|
64500000 | USD |
| CY2017 | us-gaap |
Nonoperating Income Expense
NonoperatingIncomeExpense
|
107900000 | USD |
| CY2017 | us-gaap |
Nonoperating Income Expense
NonoperatingIncomeExpense
|
107913000 | USD |
| CY2018 | us-gaap |
Nonoperating Income Expense
NonoperatingIncomeExpense
|
128400000 | USD |
| CY2018 | us-gaap |
Nonoperating Income Expense
NonoperatingIncomeExpense
|
128366000 | USD |
| CY2017Q4 | us-gaap |
Notes Payable
NotesPayable
|
1088087000 | USD |
| CY2018Q4 | us-gaap |
Notes Payable
NotesPayable
|
910000000 | USD |
| CY2018 | us-gaap |
Number Of Reportable Segments
NumberOfReportableSegments
|
1 | segment |
| CY2017 | us-gaap |
Oci Before Reclassifications Before Tax Attributable To Parent
OciBeforeReclassificationsBeforeTaxAttributableToParent
|
-7600000 | USD |
| CY2016 | us-gaap |
Operating Expenses
OperatingExpenses
|
5797855000 | USD |
| CY2017 | us-gaap |
Operating Expenses
OperatingExpenses
|
5863703000 | USD |
| CY2018 | us-gaap |
Operating Expenses
OperatingExpenses
|
6748271000 | USD |
| CY2016 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
1841300000 | USD |
| CY2016 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
1841274000 | USD |
| CY2017Q1 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
501000000 | USD |
| CY2017Q2 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
448200000 | USD |
| CY2017Q3 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
495300000 | USD |
| CY2017Q4 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
443700000 | USD |
| CY2017 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
1888200000 | USD |
| CY2017 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
1888249000 | USD |
| CY2018Q1 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
442500000 | USD |
| CY2018Q2 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
391400000 | USD |
| CY2018Q3 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
466000000 | USD |
| CY2018Q4 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
400000000 | USD |
| CY2018 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
1699900000 | USD |
| CY2018 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
1699930000 | USD |
| CY2018Q4 | us-gaap |
Operating Leases Future Minimum Payments Due
OperatingLeasesFutureMinimumPaymentsDue
|
74600000 | USD |
| CY2018Q4 | us-gaap |
Operating Leases Future Minimum Payments Due Current
OperatingLeasesFutureMinimumPaymentsDueCurrent
|
11500000 | USD |
| CY2018Q4 | us-gaap |
Operating Leases Future Minimum Payments Due In Five Years
OperatingLeasesFutureMinimumPaymentsDueInFiveYears
|
4700000 | USD |
| CY2018Q4 | us-gaap |
Operating Leases Future Minimum Payments Due In Four Years
OperatingLeasesFutureMinimumPaymentsDueInFourYears
|
7200000 | USD |
| CY2018Q4 | us-gaap |
Operating Leases Future Minimum Payments Due In Three Years
OperatingLeasesFutureMinimumPaymentsDueInThreeYears
|
8700000 | USD |
| CY2018Q4 | us-gaap |
Operating Leases Future Minimum Payments Due In Two Years
OperatingLeasesFutureMinimumPaymentsDueInTwoYears
|
9800000 | USD |
| CY2018Q4 | us-gaap |
Operating Leases Future Minimum Payments Due Thereafter
OperatingLeasesFutureMinimumPaymentsDueThereafter
|
32700000 | USD |
| CY2017Q4 | us-gaap |
Other Assets Current
OtherAssetsCurrent
|
138009000 | USD |
| CY2018Q4 | us-gaap |
Other Assets Noncurrent
OtherAssetsNoncurrent
|
862693000 | USD |
| CY2016 | us-gaap |
Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax
OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax
|
2294000 | USD |
| CY2017 | us-gaap |
Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax
OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax
|
-350000 | USD |
| CY2018Q4 | us-gaap |
Other Assets Current
OtherAssetsCurrent
|
260995000 | USD |
| CY2017Q4 | us-gaap |
Other Assets Noncurrent
OtherAssetsNoncurrent
|
605692000 | USD |
| CY2018 | us-gaap |
Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax
OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax
|
-547000 | USD |
| CY2016 | us-gaap |
Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax
OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax
|
2137000 | USD |
| CY2017 | us-gaap |
Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax
OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax
|
1974000 | USD |
| CY2018 | us-gaap |
Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax
OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax
|
1756000 | USD |
| CY2016 | us-gaap |
Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
|
1562000 | USD |
| CY2017 | us-gaap |
Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
|
-1121000 | USD |
| CY2018 | us-gaap |
Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
|
6403000 | USD |
| CY2017 | us-gaap |
Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent
OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
|
-1100000 | USD |
| CY2016 | us-gaap |
Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax
OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax
|
2869000 | USD |
| CY2017 | us-gaap |
Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax
OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax
|
2745000 | USD |
| CY2018 | us-gaap |
Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax
OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax
|
-5194000 | USD |
| CY2016 | us-gaap |
Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Before Reclassification Adjustments Tax
OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansBeforeReclassificationAdjustmentsTax
|
4000000 | USD |
| CY2017 | us-gaap |
Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Before Reclassification Adjustments Tax
OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansBeforeReclassificationAdjustmentsTax
|
4100000 | USD |
| CY2018 | us-gaap |
Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Before Reclassification Adjustments Tax
OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansBeforeReclassificationAdjustmentsTax
|
200000 | USD |
| CY2017Q4 | us-gaap |
Other Liabilities Current
OtherLiabilitiesCurrent
|
738222000 | USD |
| CY2018Q4 | us-gaap |
Other Liabilities Current
OtherLiabilitiesCurrent
|
823006000 | USD |
| CY2017Q4 | us-gaap |
Other Liabilities Noncurrent
OtherLiabilitiesNoncurrent
|
1073501000 | USD |
| CY2018Q4 | us-gaap |
Other Liabilities Noncurrent
OtherLiabilitiesNoncurrent
|
1196336000 | USD |
| CY2016 | us-gaap |
Other Noncash Income Expense
OtherNoncashIncomeExpense
|
118195000 | USD |
| CY2017 | us-gaap |
Other Noncash Income Expense
OtherNoncashIncomeExpense
|
204421000 | USD |
| CY2018 | us-gaap |
Other Noncash Income Expense
OtherNoncashIncomeExpense
|
111225000 | USD |
| CY2016 | us-gaap |
Other Nonoperating Income Expense
OtherNonoperatingIncomeExpense
|
53500000 | USD |
| CY2017 | us-gaap |
Other Nonoperating Income Expense
OtherNonoperatingIncomeExpense
|
99700000 | USD |
| CY2018 | us-gaap |
Other Nonoperating Income Expense
OtherNonoperatingIncomeExpense
|
110300000 | USD |
| CY2016 | us-gaap |
Payments For Proceeds From Other Investing Activities
PaymentsForProceedsFromOtherInvestingActivities
|
-36211000 | USD |
| CY2017 | us-gaap |
Payments For Proceeds From Other Investing Activities
PaymentsForProceedsFromOtherInvestingActivities
|
-5479000 | USD |
| CY2018 | us-gaap |
Payments For Proceeds From Other Investing Activities
PaymentsForProceedsFromOtherInvestingActivities
|
-6754000 | USD |
| CY2016 | us-gaap |
Payments Of Dividends Common Stock
PaymentsOfDividendsCommonStock
|
564486000 | USD |
| CY2017 | us-gaap |
Payments Of Dividends Common Stock
PaymentsOfDividendsCommonStock
|
602083000 | USD |
| CY2018 | us-gaap |
Payments Of Dividends Common Stock
PaymentsOfDividendsCommonStock
|
640110000 | USD |
| CY2016 | us-gaap |
Payments Of Dividends Preferred Stock And Preference Stock
PaymentsOfDividendsPreferredStockAndPreferenceStock
|
7519000 | USD |
| CY2017 | us-gaap |
Payments Of Dividends Preferred Stock And Preference Stock
PaymentsOfDividendsPreferredStockAndPreferenceStock
|
7519000 | USD |
| CY2018 | us-gaap |
Payments Of Dividends Preferred Stock And Preference Stock
PaymentsOfDividendsPreferredStockAndPreferenceStock
|
7519000 | USD |
| CY2016 | us-gaap |
Payments To Acquire Businesses Gross
PaymentsToAcquireBusinessesGross
|
0 | USD |
| CY2017 | us-gaap |
Payments To Acquire Businesses Gross
PaymentsToAcquireBusinessesGross
|
877652000 | USD |
| CY2018 | us-gaap |
Payments To Acquire Businesses Gross
PaymentsToAcquireBusinessesGross
|
0 | USD |
| CY2016 | us-gaap |
Payments To Acquire Investments
PaymentsToAcquireInvestments
|
188958000 | USD |
| CY2017 | us-gaap |
Payments To Acquire Investments
PaymentsToAcquireInvestments
|
32634000 | USD |
| CY2018 | us-gaap |
Payments To Acquire Investments
PaymentsToAcquireInvestments
|
205150000 | USD |
| CY2016 | us-gaap |
Payments To Acquire Marketable Securities
PaymentsToAcquireMarketableSecurities
|
681272000 | USD |
| CY2017 | us-gaap |
Payments To Acquire Marketable Securities
PaymentsToAcquireMarketableSecurities
|
810507000 | USD |
| CY2018 | us-gaap |
Payments To Acquire Marketable Securities
PaymentsToAcquireMarketableSecurities
|
908387000 | USD |
| CY2016 | us-gaap |
Payments To Acquire Property Plant And Equipment
PaymentsToAcquirePropertyPlantAndEquipment
|
1976867000 | USD |
| CY2016 | us-gaap |
Payments To Acquire Property Plant And Equipment
PaymentsToAcquirePropertyPlantAndEquipment
|
1976900000 | USD |
| CY2017 | us-gaap |
Payments To Acquire Property Plant And Equipment
PaymentsToAcquirePropertyPlantAndEquipment
|
2348100000 | USD |
| CY2017 | us-gaap |
Payments To Acquire Property Plant And Equipment
PaymentsToAcquirePropertyPlantAndEquipment
|
2348105000 | USD |
| CY2018 | us-gaap |
Payments To Acquire Property Plant And Equipment
PaymentsToAcquirePropertyPlantAndEquipment
|
2523400000 | USD |
| CY2018 | us-gaap |
Payments To Acquire Property Plant And Equipment
PaymentsToAcquirePropertyPlantAndEquipment
|
2523371000 | USD |
| CY2016 | us-gaap |
Pension And Other Postretirement Benefit Contributions
PensionAndOtherPostretirementBenefitContributions
|
158741000 | USD |
| CY2017 | us-gaap |
Pension And Other Postretirement Benefit Contributions
PensionAndOtherPostretirementBenefitContributions
|
242800000 | USD |
| CY2018 | us-gaap |
Public Utilities Allowance For Funds Used During Construction Rate
PublicUtilitiesAllowanceForFundsUsedDuringConstructionRate
|
0.049 | |
| CY2017Q4 | us-gaap |
Public Utilities Property Plant And Equipment Accumulated Depreciation
PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation
|
7133800000 | USD |
| CY2018Q4 | us-gaap |
Public Utilities Property Plant And Equipment Accumulated Depreciation
PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation
|
7462900000 | USD |
| CY2017Q4 | us-gaap |
Public Utilities Property Plant And Equipment Construction Work In Progress
PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress
|
1537400000 | USD |
| CY2018 | us-gaap |
Pension And Other Postretirement Benefit Contributions
PensionAndOtherPostretirementBenefitContributions
|
194947000 | USD |
| CY2016 | us-gaap |
Pension And Other Postretirement Benefit Expense
PensionAndOtherPostretirementBenefitExpense
|
39912000 | USD |
| CY2017 | us-gaap |
Pension And Other Postretirement Benefit Expense
PensionAndOtherPostretirementBenefitExpense
|
22454000 | USD |
| CY2018 | us-gaap |
Pension And Other Postretirement Benefit Expense
PensionAndOtherPostretirementBenefitExpense
|
5498000 | USD |
| CY2017Q4 | us-gaap |
Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent
PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent
|
1228091000 | USD |
| CY2018Q4 | us-gaap |
Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent
PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent
|
962510000 | USD |
| CY2017Q4 | us-gaap |
Preferred Stock Value Outstanding
PreferredStockValueOutstanding
|
155600000 | USD |
| CY2018Q4 | us-gaap |
Preferred Stock Value Outstanding
PreferredStockValueOutstanding
|
155600000 | USD |
| CY2016 | us-gaap |
Proceeds From Issuance Of Long Term Debt
ProceedsFromIssuanceOfLongTermDebt
|
800000000 | USD |
| CY2017 | us-gaap |
Proceeds From Issuance Of Long Term Debt
ProceedsFromIssuanceOfLongTermDebt
|
2500000000 | USD |
| CY2018 | us-gaap |
Proceeds From Issuance Of Long Term Debt
ProceedsFromIssuanceOfLongTermDebt
|
2200000000 | USD |
| CY2016 | us-gaap |
Proceeds From Payments For Other Financing Activities
ProceedsFromPaymentsForOtherFinancingActivities
|
-33482000 | USD |
| CY2017 | us-gaap |
Proceeds From Payments For Other Financing Activities
ProceedsFromPaymentsForOtherFinancingActivities
|
-4754000 | USD |
| CY2018 | us-gaap |
Proceeds From Payments For Other Financing Activities
ProceedsFromPaymentsForOtherFinancingActivities
|
-28457000 | USD |
| CY2016 | us-gaap |
Proceeds From Repayments Of Short Term Debt
ProceedsFromRepaymentsOfShortTermDebt
|
-12453000 | USD |
| CY2017 | us-gaap |
Proceeds From Repayments Of Short Term Debt
ProceedsFromRepaymentsOfShortTermDebt
|
72810000 | USD |
| CY2018 | us-gaap |
Proceeds From Repayments Of Short Term Debt
ProceedsFromRepaymentsOfShortTermDebt
|
-379310000 | USD |
| CY2016 | us-gaap |
Proceeds From Sale And Maturity Of Marketable Securities
ProceedsFromSaleAndMaturityOfMarketableSecurities
|
659338000 | USD |
| CY2017 | us-gaap |
Proceeds From Sale And Maturity Of Marketable Securities
ProceedsFromSaleAndMaturityOfMarketableSecurities
|
832903000 | USD |
| CY2018 | us-gaap |
Proceeds From Sale And Maturity Of Marketable Securities
ProceedsFromSaleAndMaturityOfMarketableSecurities
|
900749000 | USD |
| CY2016 | us-gaap |
Proceeds From Sale Of Property Plant And Equipment
ProceedsFromSaleOfPropertyPlantAndEquipment
|
0 | USD |
| CY2017 | us-gaap |
Proceeds From Sale Of Property Plant And Equipment
ProceedsFromSaleOfPropertyPlantAndEquipment
|
0 | USD |
| CY2018 | us-gaap |
Proceeds From Sale Of Property Plant And Equipment
ProceedsFromSaleOfPropertyPlantAndEquipment
|
193924000 | USD |
| CY2016 | us-gaap |
Provision For Doubtful Accounts
ProvisionForDoubtfulAccounts
|
69500000 | USD |
| CY2016 | us-gaap |
Provision For Doubtful Accounts
ProvisionForDoubtfulAccounts
|
69466000 | USD |
| CY2017 | us-gaap |
Provision For Doubtful Accounts
ProvisionForDoubtfulAccounts
|
44500000 | USD |
| CY2017 | us-gaap |
Provision For Doubtful Accounts
ProvisionForDoubtfulAccounts
|
44453000 | USD |
| CY2018 | us-gaap |
Provision For Doubtful Accounts
ProvisionForDoubtfulAccounts
|
61300000 | USD |
| CY2018 | us-gaap |
Provision For Doubtful Accounts
ProvisionForDoubtfulAccounts
|
61337000 | USD |
| CY2016 | us-gaap |
Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity
PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity
|
26200000 | USD |
| CY2017 | us-gaap |
Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity
PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity
|
34400000 | USD |
| CY2018 | us-gaap |
Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity
PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity
|
44000000 | USD |
| CY2016 | us-gaap |
Public Utilities Allowance For Funds Used During Construction Capitalized Interest
PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest
|
10800000 | USD |
| CY2017 | us-gaap |
Public Utilities Allowance For Funds Used During Construction Capitalized Interest
PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest
|
12500000 | USD |
| CY2018 | us-gaap |
Public Utilities Allowance For Funds Used During Construction Capitalized Interest
PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest
|
19700000 | USD |
| CY2016 | us-gaap |
Public Utilities Allowance For Funds Used During Construction Rate
PublicUtilitiesAllowanceForFundsUsedDuringConstructionRate
|
0.044 | |
| CY2017 | us-gaap |
Public Utilities Allowance For Funds Used During Construction Rate
PublicUtilitiesAllowanceForFundsUsedDuringConstructionRate
|
0.051 | |
| CY2018Q4 | us-gaap |
Public Utilities Property Plant And Equipment Construction Work In Progress
PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress
|
1719600000 | USD |
| CY2016 | us-gaap |
Public Utilities Property Plant And Equipment Disclosure Of Composite Depreciation Rate For Plants In Service
PublicUtilitiesPropertyPlantAndEquipmentDisclosureOfCompositeDepreciationRateForPlantsInService
|
0.030 | |
| CY2017 | us-gaap |
Public Utilities Property Plant And Equipment Disclosure Of Composite Depreciation Rate For Plants In Service
PublicUtilitiesPropertyPlantAndEquipmentDisclosureOfCompositeDepreciationRateForPlantsInService
|
0.030 | |
| CY2018 | us-gaap |
Public Utilities Property Plant And Equipment Disclosure Of Composite Depreciation Rate For Plants In Service
PublicUtilitiesPropertyPlantAndEquipmentDisclosureOfCompositeDepreciationRateForPlantsInService
|
0.029 | |
| CY2017Q4 | us-gaap |
Public Utilities Property Plant And Equipment Distribution
PublicUtilitiesPropertyPlantAndEquipmentDistribution
|
14410500000 | USD |
| CY2018Q4 | us-gaap |
Public Utilities Property Plant And Equipment Distribution
PublicUtilitiesPropertyPlantAndEquipmentDistribution
|
15071100000 | USD |
| CY2017Q4 | us-gaap |
Public Utilities Property Plant And Equipment Generation Or Processing
PublicUtilitiesPropertyPlantAndEquipmentGenerationOrProcessing
|
36200000 | USD |
| CY2018Q4 | us-gaap |
Public Utilities Property Plant And Equipment Generation Or Processing
PublicUtilitiesPropertyPlantAndEquipmentGenerationOrProcessing
|
164100000 | USD |
| CY2017Q4 | us-gaap |
Public Utilities Property Plant And Equipment Net
PublicUtilitiesPropertyPlantAndEquipmentNet
|
23617500000 | USD |
| CY2017Q4 | us-gaap |
Public Utilities Property Plant And Equipment Net
PublicUtilitiesPropertyPlantAndEquipmentNet
|
23617463000 | USD |
| CY2018Q4 | us-gaap |
Public Utilities Property Plant And Equipment Net
PublicUtilitiesPropertyPlantAndEquipmentNet
|
25610400000 | USD |
| CY2018Q4 | us-gaap |
Public Utilities Property Plant And Equipment Net
PublicUtilitiesPropertyPlantAndEquipmentNet
|
25610428000 | USD |
| CY2017Q4 | us-gaap |
Public Utilities Property Plant And Equipment Other Property Plant And Equipment
PublicUtilitiesPropertyPlantAndEquipmentOtherPropertyPlantAndEquipment
|
693700000 | USD |
| CY2018Q4 | us-gaap |
Public Utilities Property Plant And Equipment Other Property Plant And Equipment
PublicUtilitiesPropertyPlantAndEquipmentOtherPropertyPlantAndEquipment
|
778600000 | USD |
| CY2017Q4 | us-gaap |
Public Utilities Property Plant And Equipment Plant In Service
PublicUtilitiesPropertyPlantAndEquipmentPlantInService
|
29213900000 | USD |
| CY2018Q4 | us-gaap |
Public Utilities Property Plant And Equipment Plant In Service
PublicUtilitiesPropertyPlantAndEquipmentPlantInService
|
31353700000 | USD |
| CY2017Q4 | us-gaap |
Public Utilities Property Plant And Equipment Transmission
PublicUtilitiesPropertyPlantAndEquipmentTransmission
|
9270900000 | USD |
| CY2018Q4 | us-gaap |
Public Utilities Property Plant And Equipment Transmission
PublicUtilitiesPropertyPlantAndEquipmentTransmission
|
10153900000 | USD |
| CY2018Q4 | us-gaap |
Ratio Of Indebtedness To Net Capital1
RatioOfIndebtednessToNetCapital1
|
0.65 | |
| CY2017Q4 | us-gaap |
Receivables From Customers
ReceivablesFromCustomers
|
201361000 | USD |
| CY2018Q4 | us-gaap |
Receivables From Customers
ReceivablesFromCustomers
|
176285000 | USD |
| CY2016 | us-gaap |
Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax
ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax
|
-6000000 | USD |
| CY2017 | us-gaap |
Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax
ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax
|
-6500000 | USD |
| CY2018 | us-gaap |
Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax
ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax
|
-6600000 | USD |
| CY2017 | us-gaap |
Reclassification From Aoci Current Period Net Of Tax Attributable To Parent
ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent
|
-6500000 | USD |
| CY2017Q4 | us-gaap |
Redeemable Noncontrolling Interest Equity Preferred Carrying Amount
RedeemableNoncontrollingInterestEquityPreferredCarryingAmount
|
155570000 | USD |
| CY2018Q4 | us-gaap |
Redeemable Noncontrolling Interest Equity Preferred Carrying Amount
RedeemableNoncontrollingInterestEquityPreferredCarryingAmount
|
155570000 | USD |
| CY2017Q4 | us-gaap |
Regulatory Assets
RegulatoryAssets
|
5239300000 | USD |
| CY2018Q4 | us-gaap |
Regulatory Assets
RegulatoryAssets
|
5145900000 | USD |
| CY2017Q4 | us-gaap |
Regulatory Assets Current
RegulatoryAssetsCurrent
|
741900000 | USD |
| CY2017Q4 | us-gaap |
Regulatory Assets Current
RegulatoryAssetsCurrent
|
741868000 | USD |
| CY2018Q4 | us-gaap |
Regulatory Assets Current
RegulatoryAssetsCurrent
|
514800000 | USD |
| CY2018Q4 | us-gaap |
Regulatory Assets Current
RegulatoryAssetsCurrent
|
514779000 | USD |
| CY2017Q4 | us-gaap |
Regulatory Assets Noncurrent
RegulatoryAssetsNoncurrent
|
4497400000 | USD |
| CY2017Q4 | us-gaap |
Regulatory Assets Noncurrent
RegulatoryAssetsNoncurrent
|
4497447000 | USD |
| CY2018Q4 | us-gaap |
Regulatory Assets Noncurrent
RegulatoryAssetsNoncurrent
|
4631137000 | USD |
| CY2018Q4 | us-gaap |
Regulatory Assets Noncurrent
RegulatoryAssetsNoncurrent
|
4631100000 | USD |
| CY2017Q4 | us-gaap |
Regulatory Liabilities
RegulatoryLiabilities
|
3765400000 | USD |
| CY2018Q4 | us-gaap |
Regulatory Liabilities
RegulatoryLiabilities
|
3979700000 | USD |
| CY2017Q4 | us-gaap |
Regulatory Liability Current
RegulatoryLiabilityCurrent
|
128100000 | USD |
| CY2017Q4 | us-gaap |
Regulatory Liability Current
RegulatoryLiabilityCurrent
|
128071000 | USD |
| CY2018Q4 | us-gaap |
Regulatory Liability Current
RegulatoryLiabilityCurrent
|
370230000 | USD |
| CY2018Q4 | us-gaap |
Regulatory Liability Current
RegulatoryLiabilityCurrent
|
370200000 | USD |
| CY2017Q4 | us-gaap |
Regulatory Liability Noncurrent
RegulatoryLiabilityNoncurrent
|
3637273000 | USD |
| CY2017Q4 | us-gaap |
Regulatory Liability Noncurrent
RegulatoryLiabilityNoncurrent
|
3637300000 | USD |
| CY2018Q4 | us-gaap |
Regulatory Liability Noncurrent
RegulatoryLiabilityNoncurrent
|
3609500000 | USD |
| CY2018Q4 | us-gaap |
Regulatory Liability Noncurrent
RegulatoryLiabilityNoncurrent
|
3609475000 | USD |
| CY2016 | us-gaap |
Repayments Of Long Term Debt
RepaymentsOfLongTermDebt
|
200000000 | USD |
| CY2017 | us-gaap |
Repayments Of Long Term Debt
RepaymentsOfLongTermDebt
|
745000000 | USD |
| CY2018 | us-gaap |
Repayments Of Long Term Debt
RepaymentsOfLongTermDebt
|
1050330000 | USD |
| CY2017Q4 | us-gaap |
Retained Earnings Accumulated Deficit
RetainedEarningsAccumulatedDeficit
|
3561084000 | USD |
| CY2018Q4 | us-gaap |
Retained Earnings Accumulated Deficit
RetainedEarningsAccumulatedDeficit
|
3953974000 | USD |
| CY2018Q4 | us-gaap |
Retained Earnings Unappropriated
RetainedEarningsUnappropriated
|
4000000000 | USD |
| CY2018 | us-gaap |
Revenue From Contract With Customer Including Assessed Tax
RevenueFromContractWithCustomerIncludingAssessedTax
|
8472700000 | USD |
| CY2016 | us-gaap |
Revenues
Revenues
|
7639129000 | USD |
| CY2016 | us-gaap |
Revenues
Revenues
|
7639100000 | USD |
| CY2017Q1 | us-gaap |
Revenues
Revenues
|
2105100000 | USD |
| CY2017Q2 | us-gaap |
Revenues
Revenues
|
1762800000 | USD |
| CY2017Q3 | us-gaap |
Revenues
Revenues
|
1988500000 | USD |
| CY2017Q4 | us-gaap |
Revenues
Revenues
|
1895600000 | USD |
| CY2017 | us-gaap |
Revenues
Revenues
|
7752000000 | USD |
| CY2017 | us-gaap |
Revenues
Revenues
|
7751952000 | USD |
| CY2018Q1 | us-gaap |
Revenues
Revenues
|
2288000000 | USD |
| CY2018Q2 | us-gaap |
Revenues
Revenues
|
1853900000 | USD |
| CY2018Q3 | us-gaap |
Revenues
Revenues
|
2271400000 | USD |
| CY2018Q4 | us-gaap |
Revenues
Revenues
|
2034900000 | USD |
| CY2018 | us-gaap |
Revenues
Revenues
|
8448200000 | USD |
| CY2018 | us-gaap |
Revenues
Revenues
|
8448201000 | USD |
| CY2018Q4 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
|
424119 | shares |
| CY2018 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Weighted Average Grant Date Fair Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue
|
56.72 | |
| CY2018Q4 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Authorized
ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
|
6700000 | shares |
| CY2017Q4 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant
ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
|
2445110 | shares |
| CY2018Q4 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant
ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
|
3720650 | shares |
| CY2016 | us-gaap |
Stock Issued During Period Value New Issues
StockIssuedDuringPeriodValueNewIssues
|
-5560000 | USD |
| CY2016 | us-gaap |
Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures
StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures
|
-6056000 | USD |
| CY2017 | us-gaap |
Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures
StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures
|
-10834000 | USD |
| CY2018 | us-gaap |
Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures
StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures
|
-543000 | USD |
| CY2016 | us-gaap |
Stock Issued During Period Value Treasury Stock Reissued
StockIssuedDuringPeriodValueTreasuryStockReissued
|
-7794000 | USD |
| CY2015Q4 | us-gaap |
Stockholders Equity
StockholdersEquity
|
10352215000 | USD |
| CY2016Q4 | us-gaap |
Stockholders Equity
StockholdersEquity
|
10711734000 | USD |
| CY2017Q4 | us-gaap |
Stockholders Equity
StockholdersEquity
|
11086242000 | USD |
| CY2018Q4 | us-gaap |
Stockholders Equity
StockholdersEquity
|
11486817000 | USD |
| CY2016 | us-gaap |
Taxes Excluding Income And Excise Taxes
TaxesExcludingIncomeAndExciseTaxes
|
634072000 | USD |
| CY2017 | us-gaap |
Taxes Excluding Income And Excise Taxes
TaxesExcludingIncomeAndExciseTaxes
|
676757000 | USD |
| CY2018 | us-gaap |
Taxes Excluding Income And Excise Taxes
TaxesExcludingIncomeAndExciseTaxes
|
729753000 | USD |
| CY2017 | us-gaap |
Treasury Stock Shares Acquired
TreasuryStockSharesAcquired
|
16992594 | shares |
| CY2018 | us-gaap |
Treasury Stock Shares Acquired
TreasuryStockSharesAcquired
|
16992594 | shares |
| CY2017Q4 | us-gaap |
Treasury Stock Value
TreasuryStockValue
|
317771000 | USD |
| CY2018Q4 | us-gaap |
Treasury Stock Value
TreasuryStockValue
|
317771000 | USD |
| CY2015Q4 | us-gaap |
Unrecognized Tax Benefits
UnrecognizedTaxBenefits
|
48000000 | USD |
| CY2016Q4 | us-gaap |
Unrecognized Tax Benefits
UnrecognizedTaxBenefits
|
48400000 | USD |
| CY2017Q4 | us-gaap |
Unrecognized Tax Benefits
UnrecognizedTaxBenefits
|
51700000 | USD |
| CY2018Q4 | us-gaap |
Unrecognized Tax Benefits
UnrecognizedTaxBenefits
|
45900000 | USD |
| CY2018 | us-gaap |
Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions
UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions
|
6500000 | USD |
| CY2016 | us-gaap |
Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions
UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions
|
9900000 | USD |
| CY2017 | us-gaap |
Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions
UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions
|
11400000 | USD |
| CY2018 | us-gaap |
Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions
UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions
|
9200000 | USD |
| CY2016 | us-gaap |
Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions
UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions
|
200000 | USD |
| CY2017 | us-gaap |
Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions
UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions
|
900000 | USD |
| CY2017Q4 | us-gaap |
Unrecognized Tax Benefits Interest On Income Taxes Accrued
UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued
|
1800000 | USD |
| CY2018Q4 | us-gaap |
Unrecognized Tax Benefits Interest On Income Taxes Accrued
UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued
|
100000 | USD |
| CY2016 | us-gaap |
Unrecognized Tax Benefits Interest On Income Taxes Expense
UnrecognizedTaxBenefitsInterestOnIncomeTaxesExpense
|
200000 | USD |
| CY2017 | us-gaap |
Unrecognized Tax Benefits Interest On Income Taxes Expense
UnrecognizedTaxBenefitsInterestOnIncomeTaxesExpense
|
0 | USD |
| CY2018 | us-gaap |
Unrecognized Tax Benefits Interest On Income Taxes Expense
UnrecognizedTaxBenefitsInterestOnIncomeTaxesExpense
|
1700000 | USD |
| CY2016 | us-gaap |
Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations
UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations
|
9700000 | USD |
| CY2017 | us-gaap |
Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations
UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations
|
7200000 | USD |
| CY2018 | us-gaap |
Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations
UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations
|
8500000 | USD |
| CY2018Q4 | us-gaap |
Unrecorded Unconditional Purchase Obligation Balance On Fifth Anniversary
UnrecordedUnconditionalPurchaseObligationBalanceOnFifthAnniversary
|
461700000 | USD |
| CY2018Q4 | us-gaap |
Unrecorded Unconditional Purchase Obligation Balance On First Anniversary
UnrecordedUnconditionalPurchaseObligationBalanceOnFirstAnniversary
|
609200000 | USD |
| CY2018Q4 | us-gaap |
Unrecorded Unconditional Purchase Obligation Balance On Fourth Anniversary
UnrecordedUnconditionalPurchaseObligationBalanceOnFourthAnniversary
|
494100000 | USD |
| CY2018Q4 | us-gaap |
Unrecorded Unconditional Purchase Obligation Balance On Second Anniversary
UnrecordedUnconditionalPurchaseObligationBalanceOnSecondAnniversary
|
607900000 | USD |
| CY2018Q4 | us-gaap |
Unrecorded Unconditional Purchase Obligation Balance On Third Anniversary
UnrecordedUnconditionalPurchaseObligationBalanceOnThirdAnniversary
|
528700000 | USD |
| CY2018Q4 | us-gaap |
Unrecorded Unconditional Purchase Obligation Balance Sheet Amount
UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount
|
5607500000 | USD |
| CY2018Q4 | us-gaap |
Unrecorded Unconditional Purchase Obligation Due After Five Years
UnrecordedUnconditionalPurchaseObligationDueAfterFiveYears
|
2905900000 | USD |
| CY2016 | us-gaap |
Utilities Operating Expense Maintenance And Operations
UtilitiesOperatingExpenseMaintenanceAndOperations
|
1342134000 | USD |
| CY2017 | us-gaap |
Utilities Operating Expense Maintenance And Operations
UtilitiesOperatingExpenseMaintenanceAndOperations
|
1307052000 | USD |
| CY2018 | us-gaap |
Utilities Operating Expense Maintenance And Operations
UtilitiesOperatingExpenseMaintenanceAndOperations
|
1335213000 | USD |
| CY2016 | us-gaap |
Utilities Operating Expense Other
UtilitiesOperatingExpenseOther
|
5010700000 | USD |
| CY2017 | us-gaap |
Utilities Operating Expense Other
UtilitiesOperatingExpenseOther
|
5000000000 | USD |
| CY2018 | us-gaap |
Utilities Operating Expense Other
UtilitiesOperatingExpenseOther
|
5676300000 | USD |
| CY2016 | us-gaap |
Weighted Average Number Diluted Shares Outstanding Adjustment
WeightedAverageNumberDilutedSharesOutstandingAdjustment
|
804059 | shares |
| CY2017 | us-gaap |
Weighted Average Number Diluted Shares Outstanding Adjustment
WeightedAverageNumberDilutedSharesOutstandingAdjustment
|
620483 | shares |
| CY2018 | us-gaap |
Weighted Average Number Diluted Shares Outstanding Adjustment
WeightedAverageNumberDilutedSharesOutstandingAdjustment
|
623565 | shares |
| CY2016 | us-gaap |
Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
|
318454239 | shares |
| CY2017 | us-gaap |
Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
|
318031580 | shares |
| CY2018 | us-gaap |
Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
|
317993934 | shares |
| CY2016 | us-gaap |
Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
|
317650180 | shares |
| CY2017 | us-gaap |
Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
|
317411097 | shares |
| CY2018 | us-gaap |
Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
|
317370369 | shares |
| CY2016 | es |
Fuel Costs Incurred
FuelCostsIncurred
|
55700000 | USD |
