2017 Q4 Form 10-K Financial Statement

#000113031018000003 Filed on February 22, 2018

View on sec.gov

Income Statement

Concept 2017 Q4 2016 Q4 2016 Q3
Revenue $2.638B $2.081B $1.889B
YoY Change 26.77% 16.19% 15.89%
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 $287.0M $253.0M $324.0M
YoY Change 13.44% 2.85% 20.9%
% of Gross Profit
Operating Expenses $2.330B $1.838B $1.592B
YoY Change 26.77% 19.97% 19.25%
Operating Profit $308.0M $243.0M $284.0M
YoY Change 26.75% 7.52% 7.17%
Interest Expense $88.00M -$230.0M -$113.0M
YoY Change -138.26% -78.6% -86.1%
% of Operating Profit 28.57% -94.65% -39.79%
Other Income/Expense, Net -$110.0M $149.0M -$8.000M
YoY Change -173.83% -7550.0% -99.11%
Pretax Income $286.0M $162.0M $276.0M
YoY Change 76.54% -119.8% -143.46%
Income Tax $103.0M $61.00M $97.00M
% Of Pretax Income 36.01% 37.65% 35.14%
Net Earnings $1.296B $101.0M $179.0M
YoY Change 1183.17% -119.84% -145.78%
Net Earnings / Revenue 49.13% 4.85% 9.48%
Basic Earnings Per Share $3.01 $0.23 $0.42
Diluted Earnings Per Share $2.99 $0.23 $0.41
COMMON SHARES
Basic Shares Outstanding 431.0M shares 430.7M shares 430.7M shares
Diluted Shares Outstanding 433.4M shares

Balance Sheet

Concept 2017 Q4 2016 Q4 2016 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments $1.220B $1.294B $1.084B
YoY Change -5.72% 21.05% 2.94%
Cash & Equivalents $260.0M $341.0M $270.0M
Short-Term Investments $960.0M $953.0M $814.0M
Other Short-Term Assets $778.0M $547.0M $389.0M
YoY Change 42.23% 7.68% 5.42%
Inventory $397.0M $312.0M $351.0M
Prepaid Expenses
Receivables $1.000B $740.0M $682.0M
Other Receivables $0.00 $30.00M $23.00M
Total Short-Term Assets $3.395B $2.923B $2.529B
YoY Change 16.15% 8.7% 5.38%
LONG-TERM ASSETS
Property, Plant & Equipment $13.06B $12.31B $12.08B
YoY Change 6.09% 6.67% 8.03%
Goodwill $867.0M $862.0M $862.0M
YoY Change 0.58% 2.62% 2.62%
Intangibles
YoY Change
Long-Term Investments $2.472B $2.505B $2.535B
YoY Change -1.32% -3.43% -29.66%
Other Assets $191.0M $173.0M $134.0M
YoY Change 10.4% 69.61% -9.46%
Total Long-Term Assets $19.34B $18.91B $18.76B
YoY Change 2.3% 1.64% -3.2%
TOTAL ASSETS
Total Short-Term Assets $3.395B $2.923B $2.529B
Total Long-Term Assets $19.34B $18.91B $18.76B
Total Assets $22.74B $21.83B $21.29B
YoY Change 4.16% 2.53% -2.26%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable $963.0M $657.0M $422.0M
YoY Change 46.58% 36.02% 14.99%
Accrued Expenses $104.0M $108.0M $93.00M
YoY Change -3.7% -7.69% -21.19%
Deferred Revenue
YoY Change
Short-Term Debt $39.00M $35.00M $43.00M
YoY Change 11.43% -12.5% -12.24%
Long-Term Debt Due $606.0M $1.025B $772.0M
YoY Change -40.88% 18.63% -17.7%
Total Short-Term Liabilities $3.069B $3.080B $2.398B
YoY Change -0.36% 25.31% -24.85%
LONG-TERM LIABILITIES
Long-Term Debt $8.195B $7.532B $7.736B
YoY Change 8.8% -4.25% 0.97%
Other Long-Term Liabilities $357.0M $278.0M $282.0M
YoY Change 28.42% 1.83% 8.88%
Total Long-Term Liabilities $8.552B $7.810B $8.018B
YoY Change 9.5% -4.04% 1.22%
TOTAL LIABILITIES
Total Short-Term Liabilities $3.069B $3.080B $2.398B
Total Long-Term Liabilities $8.552B $7.810B $8.018B
Total Liabilities $11.62B $10.89B $10.42B
YoY Change 6.71% 2.76% -6.26%
SHAREHOLDERS EQUITY
Retained Earnings $543.0M -$668.0M -$658.0M
YoY Change -181.29% 1.67% 1504.88%
Common Stock $4.000M $4.000M $4.000M
YoY Change 0.0% 0.0% 0.0%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares 166.0 shares
Shareholders Equity $4.688B $3.460B $3.472B
YoY Change
Total Liabilities & Shareholders Equity $22.74B $21.83B $21.29B
YoY Change 4.16% 2.53% -2.26%

Cashflow Statement

Concept 2017 Q4 2016 Q4 2016 Q3
OPERATING ACTIVITIES
Net Income $1.296B $101.0M $179.0M
YoY Change 1183.17% -119.84% -145.78%
Depreciation, Depletion And Amortization $287.0M $253.0M $324.0M
YoY Change 13.44% 2.85% 20.9%
Cash From Operating Activities $389.0M $471.0M $394.0M
YoY Change -17.41% 33.81% -0.51%
INVESTING ACTIVITIES
Capital Expenditures -$432.0M -$367.0M -$365.0M
YoY Change 17.71% -18.98% -12.89%
Acquisitions
YoY Change
Other Investing Activities $72.00M $72.00M $93.00M
YoY Change 0.0% -20.0% 40.91%
Cash From Investing Activities -$360.0M -$295.0M -$272.0M
YoY Change 22.03% -18.73% -22.95%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities 34.00M -101.0M -123.0M
YoY Change -133.66% -310.42% 101.64%
NET CHANGE
Cash From Operating Activities 389.0M 471.0M 394.0M
Cash From Investing Activities -360.0M -295.0M -272.0M
Cash From Financing Activities 34.00M -101.0M -123.0M
Net Change In Cash 63.00M 75.00M -1.000M
YoY Change -16.0% 102.7% -94.44%
FREE CASH FLOW
Cash From Operating Activities $389.0M $471.0M $394.0M
Capital Expenditures -$432.0M -$367.0M -$365.0M
Free Cash Flow $821.0M $838.0M $759.0M
YoY Change -2.03% 4.1% -6.87%

Facts In Submission

Frame Concept Type Concept / XBRL Key Value Unit
CY2017 cnp Annualized Individual Discount Rates Based On Time Period Maximum
AnnualizedIndividualDiscountRatesBasedOnTimePeriodMaximum
P99Y
CY2017 cnp Annualized Individual Discount Rates Based On Time Period Minimum
AnnualizedIndividualDiscountRatesBasedOnTimePeriodMinimum
P6M
CY2016Q4 cnp Assets Noncurrent Other Than Property Plant And Equipment
AssetsNoncurrentOtherThanPropertyPlantAndEquipment
6599000000 USD
CY2017Q4 cnp Assets Noncurrent Other Than Property Plant And Equipment
AssetsNoncurrentOtherThanPropertyPlantAndEquipment
6284000000 USD
CY2015 cnp Capital Expendituresfor Long Lived Assets
CapitalExpendituresforLongLivedAssets
1575000000 USD
CY2016 cnp Capital Expendituresfor Long Lived Assets
CapitalExpendituresforLongLivedAssets
1406000000 USD
CY2017 cnp Capital Expendituresfor Long Lived Assets
CapitalExpendituresforLongLivedAssets
1494000000 USD
CY2016Q4 cnp Deferred Tax Assets Noncurrent Other
DeferredTaxAssetsNoncurrentOther
21000000 USD
CY2017Q4 cnp Deferred Tax Assets Noncurrent Other
DeferredTaxAssetsNoncurrentOther
16000000 USD
CY2016Q4 cnp Deferred Tax Liabilities Noncurrent Other
DeferredTaxLiabilitiesNoncurrentOther
106000000 USD
CY2017Q4 cnp Deferred Tax Liabilities Noncurrent Other
DeferredTaxLiabilitiesNoncurrentOther
127000000 USD
CY2017 cnp Defined Benefit Pension Plan Vesting Period
DefinedBenefitPensionPlanVestingPeriod
P3Y
CY2017 cnp Defined Benefit Plan Percentage Vested
DefinedBenefitPlanPercentageVested
1.00
CY2017Q4 cnp Defined Benefit Plan Retirement Benefit Eligible Earnings Percentage
DefinedBenefitPlanRetirementBenefitEligibleEarningsPercentage
0.05
CY2015 cnp Distribution To Zens Holders
DistributionToZENSHolders
32000000 USD
CY2016 cnp Distribution To Zens Holders
DistributionToZENSHolders
178000000 USD
CY2017 cnp Distribution To Zens Holders
DistributionToZENSHolders
0 USD
CY2015 cnp Gain Loss On Indexed Debt Securities
GainLossOnIndexedDebtSecurities
74000000 USD
CY2016 cnp Gain Loss On Indexed Debt Securities
GainLossOnIndexedDebtSecurities
-413000000 USD
CY2017 cnp Gain Loss On Indexed Debt Securities
GainLossOnIndexedDebtSecurities
49000000 USD
CY2015 cnp Income Tax Reconciliation Change In Tax Expense
IncomeTaxReconciliationChangeInTaxExpense
-42000000 USD
CY2016 cnp Income Tax Reconciliation Change In Tax Expense
IncomeTaxReconciliationChangeInTaxExpense
14000000 USD
CY2017 cnp Income Tax Reconciliation Change In Tax Expense
IncomeTaxReconciliationChangeInTaxExpense
-1101000000 USD
CY2015 cnp Increase Decrease Interest And Taxes Accrued
IncreaseDecreaseInterestAndTaxesAccrued
-10000000 USD
CY2016 cnp Increase Decrease Interest And Taxes Accrued
IncreaseDecreaseInterestAndTaxesAccrued
5000000 USD
CY2017 cnp Increase Decrease Interest And Taxes Accrued
IncreaseDecreaseInterestAndTaxesAccrued
5000000 USD
CY2016Q4 cnp Indexed Debt Current
IndexedDebtCurrent
114000000 USD
CY2017Q4 cnp Indexed Debt Current
IndexedDebtCurrent
122000000 USD
CY2016Q4 cnp Indexed Debt Securities Derivative
IndexedDebtSecuritiesDerivative
717000000 USD
CY2017Q4 cnp Indexed Debt Securities Derivative
IndexedDebtSecuritiesDerivative
668000000 USD
CY2015 cnp Indexed Debt Securities Gain Loss
IndexedDebtSecuritiesGainLoss
74000000 USD
CY2016 cnp Indexed Debt Securities Gain Loss
IndexedDebtSecuritiesGainLoss
-413000000 USD
CY2017 cnp Indexed Debt Securities Gain Loss
IndexedDebtSecuritiesGainLoss
49000000 USD
CY2015 cnp Interest On Transition And System Restoration Bonds
InterestOnTransitionAndSystemRestorationBonds
105000000 USD
CY2016 cnp Interest On Transition And System Restoration Bonds
InterestOnTransitionAndSystemRestorationBonds
91000000 USD
CY2017 cnp Interest On Transition And System Restoration Bonds
InterestOnTransitionAndSystemRestorationBonds
77000000 USD
CY2017 cnp Maximum Number Of Times Annual Salary Included In Severance Benefits
MaximumNumberOfTimesAnnualSalaryIncludedInSeveranceBenefits
3 salary_severance_benefits
CY2016 cnp Realized Loss On Indexed Debt Securities
RealizedLossOnIndexedDebtSecurities
117000000 USD
CY2016 cnp Reduction In Indexed Debt
ReductionInIndexedDebt
40000000 USD
CY2016 cnp Reduction In Zens Derivative Obligation
ReductionInZENSDerivativeObligation
21000000 USD
CY2017 cnp Saleof Units Percentage Trigger Rightof First Refusal
SaleofUnitsPercentageTriggerRightofFirstRefusal
0.05
CY2017 cnp Service Agreement Notice For Termination At Term End
ServiceAgreementNoticeForTerminationAtTermEnd
P90D
CY2017 cnp Service Agreement Notice For Termination At Will Number Of Days
ServiceAgreementNoticeForTerminationAtWillNumberOfDays
P180D
CY2015 cnp Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Total Grant Date Fair Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalGrantDateFairValue
13000000 USD
CY2016 cnp Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Total Grant Date Fair Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalGrantDateFairValue
13000000 USD
CY2017 cnp Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Total Grant Date Fair Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalGrantDateFairValue
12000000 USD
CY2015 cnp Tax Benefit From Remeasurementof Deferred Taxes Dueto Tax Reform
TaxBenefitFromRemeasurementofDeferredTaxesDuetoTaxReform
0 USD
CY2015 us-gaap Amortization Of Financing Costs
AmortizationOfFinancingCosts
27000000 USD
CY2016 us-gaap Amortization Of Financing Costs
AmortizationOfFinancingCosts
26000000 USD
CY2016 cnp Tax Benefit From Remeasurementof Deferred Taxes Dueto Tax Reform
TaxBenefitFromRemeasurementofDeferredTaxesDuetoTaxReform
0 USD
CY2017 cnp Tax Benefit From Remeasurementof Deferred Taxes Dueto Tax Reform
TaxBenefitFromRemeasurementofDeferredTaxesDuetoTaxReform
1100000000 USD
CY2017 cnp Tax Benefit From Remeasurementof Deferred Taxes Dueto Tax Reform
TaxBenefitFromRemeasurementofDeferredTaxesDuetoTaxReform
1113000000 USD
CY2016Q4 cnp Transition And System Restoration Bonds Long Term Debt Current
TransitionAndSystemRestorationBondsLongTermDebtCurrent
411000000 USD
CY2017Q4 cnp Transition And System Restoration Bonds Long Term Debt Current
TransitionAndSystemRestorationBondsLongTermDebtCurrent
434000000 USD
CY2016Q4 cnp Transition And System Restoration Bonds Long Term Debt Non Current
TransitionAndSystemRestorationBondsLongTermDebtNonCurrent
1867000000 USD
CY2017Q4 cnp Transition And System Restoration Bonds Long Term Debt Non Current
TransitionAndSystemRestorationBondsLongTermDebtNonCurrent
1434000000 USD
CY2016Q4 cnp Unrecognized Equity Return
UnrecognizedEquityReturn
329000000 USD
CY2017Q4 cnp Unrecognized Equity Return
UnrecognizedEquityReturn
287000000 USD
CY2017 cnp Weather Hedges Term
WeatherHedgesTerm
P10Y
CY2017 dei Amendment Flag
AmendmentFlag
false
CY2017 dei Current Fiscal Year End Date
CurrentFiscalYearEndDate
--12-31
CY2017 dei Document Fiscal Period Focus
DocumentFiscalPeriodFocus
FY
CY2017 dei Document Fiscal Year Focus
DocumentFiscalYearFocus
2017
CY2017 dei Document Period End Date
DocumentPeriodEndDate
2017-12-31
CY2017 dei Document Type
DocumentType
10-K
CY2017 dei Entity Central Index Key
EntityCentralIndexKey
0001130310
CY2018Q1 dei Entity Common Stock Shares Outstanding
EntityCommonStockSharesOutstanding
431048125 shares
CY2017 dei Entity Current Reporting Status
EntityCurrentReportingStatus
Yes
CY2017 dei Entity Filer Category
EntityFilerCategory
Large Accelerated Filer
CY2017Q2 dei Entity Public Float
EntityPublicFloat
11722467012 USD
CY2017 dei Entity Registrant Name
EntityRegistrantName
CENTERPOINT ENERGY INC
CY2017 dei Entity Voluntary Filers
EntityVoluntaryFilers
No
CY2017 dei Entity Well Known Seasoned Issuer
EntityWellKnownSeasonedIssuer
Yes
CY2016Q4 us-gaap Accounts Payable Current
AccountsPayableCurrent
657000000 USD
CY2017Q4 us-gaap Accounts Payable Current
AccountsPayableCurrent
963000000 USD
CY2016Q4 us-gaap Accounts Receivable Net Current
AccountsReceivableNetCurrent
740000000 USD
CY2017Q4 us-gaap Accounts Receivable Net Current
AccountsReceivableNetCurrent
1000000000 USD
CY2016Q4 us-gaap Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
5524000000 USD
CY2017Q4 us-gaap Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
5974000000 USD
CY2015Q4 us-gaap Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax
AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax
65000000 USD
CY2016Q4 us-gaap Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax
AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax
72000000 USD
CY2017Q4 us-gaap Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax
AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax
66000000 USD
CY2016Q4 us-gaap Accumulated Other Comprehensive Income Loss Net Of Tax
AccumulatedOtherComprehensiveIncomeLossNetOfTax
-71000000 USD
CY2017Q4 us-gaap Accumulated Other Comprehensive Income Loss Net Of Tax
AccumulatedOtherComprehensiveIncomeLossNetOfTax
-68000000 USD
CY2016Q4 us-gaap Additional Collateral Aggregate Fair Value
AdditionalCollateralAggregateFairValue
0 USD
CY2017Q4 us-gaap Additional Collateral Aggregate Fair Value
AdditionalCollateralAggregateFairValue
2000000 USD
CY2016Q4 us-gaap Additional Paid In Capital
AdditionalPaidInCapital
4195000000 USD
CY2017Q4 us-gaap Additional Paid In Capital
AdditionalPaidInCapital
4209000000 USD
CY2015 us-gaap Adjustment For Amortization
AdjustmentForAmortization
413000000 USD
CY2016 us-gaap Adjustment For Amortization
AdjustmentForAmortization
519000000 USD
CY2017 us-gaap Adjustment For Amortization
AdjustmentForAmortization
417000000 USD
CY2016Q4 us-gaap Allowance For Doubtful Accounts Receivable Current
AllowanceForDoubtfulAccountsReceivableCurrent
15000000 USD
CY2017Q4 us-gaap Allowance For Doubtful Accounts Receivable Current
AllowanceForDoubtfulAccountsReceivableCurrent
19000000 USD
CY2017 us-gaap Amortization Of Financing Costs
AmortizationOfFinancingCosts
24000000 USD
CY2015 us-gaap Amortization Of Intangible Assets
AmortizationOfIntangibleAssets
2000000 USD
CY2016 us-gaap Amortization Of Intangible Assets
AmortizationOfIntangibleAssets
4000000 USD
CY2017 us-gaap Amortization Of Intangible Assets
AmortizationOfIntangibleAssets
13000000 USD
CY2015Q4 us-gaap Asset Retirement Obligation
AssetRetirementObligation
195000000 USD
CY2016Q4 us-gaap Asset Retirement Obligation
AssetRetirementObligation
205000000 USD
CY2017Q4 us-gaap Asset Retirement Obligation
AssetRetirementObligation
281000000 USD
CY2016 us-gaap Asset Retirement Obligation Accretion Expense
AssetRetirementObligationAccretionExpense
10000000 USD
CY2017 us-gaap Asset Retirement Obligation Accretion Expense
AssetRetirementObligationAccretionExpense
8000000 USD
CY2016 us-gaap Asset Retirement Obligation Revision Of Estimate
AssetRetirementObligationRevisionOfEstimate
0 USD
CY2017 us-gaap Asset Retirement Obligation Revision Of Estimate
AssetRetirementObligationRevisionOfEstimate
68000000 USD
CY2015Q4 us-gaap Assets
Assets
21290000000 USD
CY2016Q4 us-gaap Assets
Assets
21829000000 USD
CY2017Q4 us-gaap Assets
Assets
22736000000 USD
CY2016Q4 us-gaap Assets Current
AssetsCurrent
2923000000 USD
CY2017Q4 us-gaap Assets Current
AssetsCurrent
3395000000 USD
CY2016Q4 us-gaap Assets Fair Value Disclosure Recurring
AssetsFairValueDisclosureRecurring
1103000000 USD
CY2017Q4 us-gaap Assets Fair Value Disclosure Recurring
AssetsFairValueDisclosureRecurring
1199000000 USD
CY2015 us-gaap Capital Expenditures Incurred But Not Yet Paid
CapitalExpendituresIncurredButNotYetPaid
95000000 USD
CY2016 us-gaap Capital Expenditures Incurred But Not Yet Paid
CapitalExpendituresIncurredButNotYetPaid
87000000 USD
CY2017 us-gaap Capital Expenditures Incurred But Not Yet Paid
CapitalExpendituresIncurredButNotYetPaid
144000000 USD
CY2014Q4 us-gaap Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
298000000 USD
CY2015Q4 us-gaap Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
264000000 USD
CY2016Q4 us-gaap Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
341000000 USD
CY2017Q4 us-gaap Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
260000000 USD
CY2015 us-gaap Cash And Cash Equivalents Period Increase Decrease
CashAndCashEquivalentsPeriodIncreaseDecrease
-34000000 USD
CY2016 us-gaap Cash And Cash Equivalents Period Increase Decrease
CashAndCashEquivalentsPeriodIncreaseDecrease
77000000 USD
CY2017 us-gaap Cash And Cash Equivalents Period Increase Decrease
CashAndCashEquivalentsPeriodIncreaseDecrease
-81000000 USD
CY2016Q4 us-gaap Collateral Already Posted Aggregate Fair Value
CollateralAlreadyPostedAggregateFairValue
0 USD
CY2017Q4 us-gaap Collateral Already Posted Aggregate Fair Value
CollateralAlreadyPostedAggregateFairValue
0 USD
CY2016Q4 us-gaap Commitments And Contingencies
CommitmentsAndContingencies
USD
CY2017Q4 us-gaap Commitments And Contingencies
CommitmentsAndContingencies
USD
CY2015 us-gaap Common Stock Dividends Per Share Cash Paid
CommonStockDividendsPerShareCashPaid
0.99
CY2016 us-gaap Common Stock Dividends Per Share Cash Paid
CommonStockDividendsPerShareCashPaid
1.03
CY2017 us-gaap Common Stock Dividends Per Share Cash Paid
CommonStockDividendsPerShareCashPaid
1.07
CY2017Q4 us-gaap Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
0.2775
CY2015 us-gaap Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
0.99
CY2016 us-gaap Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
1.03
CY2017 us-gaap Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
1.3475
CY2015Q4 us-gaap Common Stock Par Or Stated Value Per Share
CommonStockParOrStatedValuePerShare
0.01
CY2016Q4 us-gaap Common Stock Par Or Stated Value Per Share
CommonStockParOrStatedValuePerShare
0.01
CY2017Q4 us-gaap Common Stock Par Or Stated Value Per Share
CommonStockParOrStatedValuePerShare
0.01
CY2015Q4 us-gaap Common Stock Shares Authorized
CommonStockSharesAuthorized
1000000000 shares
CY2016Q4 us-gaap Common Stock Shares Authorized
CommonStockSharesAuthorized
1000000000 shares
CY2017Q4 us-gaap Common Stock Shares Authorized
CommonStockSharesAuthorized
1000000000 shares
CY2016Q4 us-gaap Common Stock Shares Outstanding
CommonStockSharesOutstanding
430682504 shares
CY2017Q4 us-gaap Common Stock Shares Outstanding
CommonStockSharesOutstanding
431044845 shares
CY2016Q4 us-gaap Common Stock Value
CommonStockValue
4000000 USD
CY2017Q4 us-gaap Common Stock Value
CommonStockValue
4000000 USD
CY2015 us-gaap Comprehensive Income Net Of Tax
ComprehensiveIncomeNetOfTax
-672000000 USD
CY2016 us-gaap Comprehensive Income Net Of Tax
ComprehensiveIncomeNetOfTax
427000000 USD
CY2017 us-gaap Comprehensive Income Net Of Tax
ComprehensiveIncomeNetOfTax
1795000000 USD
CY2016Q4 us-gaap Cost Method Investments
CostMethodInvestments
363000000 USD
CY2017Q4 us-gaap Cost Method Investments
CostMethodInvestments
363000000 USD
CY2015 us-gaap Cost Of Natural Gas Purchases
CostOfNaturalGasPurchases
1838000000 USD
CY2016 us-gaap Cost Of Natural Gas Purchases
CostOfNaturalGasPurchases
1983000000 USD
CY2017 us-gaap Cost Of Natural Gas Purchases
CostOfNaturalGasPurchases
3785000000 USD
CY2015 us-gaap Costs And Expenses
CostsAndExpenses
6453000000 USD
CY2016 us-gaap Costs And Expenses
CostsAndExpenses
6569000000 USD
CY2017 us-gaap Costs And Expenses
CostsAndExpenses
8542000000 USD
CY2016Q4 us-gaap Credit Risk Derivative Assets At Fair Value
CreditRiskDerivativeAssetsAtFairValue
84000000 USD
CY2017Q4 us-gaap Credit Risk Derivative Assets At Fair Value
CreditRiskDerivativeAssetsAtFairValue
154000000 USD
CY2015 us-gaap Current Federal Tax Expense Benefit
CurrentFederalTaxExpenseBenefit
-37000000 USD
CY2016 us-gaap Current Federal Tax Expense Benefit
CurrentFederalTaxExpenseBenefit
23000000 USD
CY2017 us-gaap Current Federal Tax Expense Benefit
CurrentFederalTaxExpenseBenefit
32000000 USD
CY2015 us-gaap Current Income Tax Expense Benefit
CurrentIncomeTaxExpenseBenefit
-25000000 USD
CY2016 us-gaap Current Income Tax Expense Benefit
CurrentIncomeTaxExpenseBenefit
41000000 USD
CY2017 us-gaap Current Income Tax Expense Benefit
CurrentIncomeTaxExpenseBenefit
41000000 USD
CY2015 us-gaap Current State And Local Tax Expense Benefit
CurrentStateAndLocalTaxExpenseBenefit
12000000 USD
CY2016 us-gaap Current State And Local Tax Expense Benefit
CurrentStateAndLocalTaxExpenseBenefit
18000000 USD
CY2017 us-gaap Current State And Local Tax Expense Benefit
CurrentStateAndLocalTaxExpenseBenefit
9000000 USD
CY2016Q4 us-gaap Debt Current
DebtCurrent
1060000000 USD
CY2017Q4 us-gaap Debt Current
DebtCurrent
645000000 USD
CY2016Q4 us-gaap Debt Instrument Unamortized Discount Premium Net
DebtInstrumentUnamortizedDiscountPremiumNet
36000000 USD
CY2017Q4 us-gaap Debt Instrument Unamortized Discount Premium Net
DebtInstrumentUnamortizedDiscountPremiumNet
32000000 USD
CY2015 us-gaap Deferred Compensation Arrangement With Individual Compensation Expense
DeferredCompensationArrangementWithIndividualCompensationExpense
3000000 USD
CY2016 us-gaap Deferred Compensation Arrangement With Individual Compensation Expense
DeferredCompensationArrangementWithIndividualCompensationExpense
3000000 USD
CY2017 us-gaap Deferred Compensation Arrangement With Individual Compensation Expense
DeferredCompensationArrangementWithIndividualCompensationExpense
3000000 USD
CY2015 us-gaap Deferred Federal Income Tax Expense Benefit
DeferredFederalIncomeTaxExpenseBenefit
-359000000 USD
CY2016 us-gaap Deferred Federal Income Tax Expense Benefit
DeferredFederalIncomeTaxExpenseBenefit
185000000 USD
CY2017 us-gaap Deferred Federal Income Tax Expense Benefit
DeferredFederalIncomeTaxExpenseBenefit
-806000000 USD
CY2016Q4 us-gaap Deferred Finance Costs Noncurrent Net
DeferredFinanceCostsNoncurrentNet
33000000 USD
CY2017Q4 us-gaap Deferred Finance Costs Noncurrent Net
DeferredFinanceCostsNoncurrentNet
38000000 USD
CY2015 us-gaap Deferred Income Tax Expense Benefit
DeferredIncomeTaxExpenseBenefit
-413000000 USD
CY2016 us-gaap Deferred Income Tax Expense Benefit
DeferredIncomeTaxExpenseBenefit
213000000 USD
CY2017 us-gaap Deferred Income Tax Expense Benefit
DeferredIncomeTaxExpenseBenefit
-770000000 USD
CY2016Q4 us-gaap Deferred Income Tax Liabilities
DeferredIncomeTaxLiabilities
5808000000 USD
CY2017Q4 us-gaap Deferred Income Tax Liabilities
DeferredIncomeTaxLiabilities
3850000000 USD
CY2015 us-gaap Deferred State And Local Income Tax Expense Benefit
DeferredStateAndLocalIncomeTaxExpenseBenefit
-54000000 USD
CY2016 us-gaap Deferred State And Local Income Tax Expense Benefit
DeferredStateAndLocalIncomeTaxExpenseBenefit
28000000 USD
CY2017 us-gaap Deferred State And Local Income Tax Expense Benefit
DeferredStateAndLocalIncomeTaxExpenseBenefit
36000000 USD
CY2016Q4 us-gaap Deferred Tax Assets Net
DeferredTaxAssetsNet
545000000 USD
CY2017Q4 us-gaap Deferred Tax Assets Net
DeferredTaxAssetsNet
676000000 USD
CY2016Q4 us-gaap Deferred Tax Assets Other Tax Carryforwards
DeferredTaxAssetsOtherTaxCarryforwards
79000000 USD
CY2017Q4 us-gaap Deferred Tax Assets Other Tax Carryforwards
DeferredTaxAssetsOtherTaxCarryforwards
90000000 USD
CY2016Q4 us-gaap Deferred Tax Assets Regulatory Assets And Liabilities
DeferredTaxAssetsRegulatoryAssetsAndLiabilities
57000000 USD
CY2017Q4 us-gaap Deferred Tax Assets Regulatory Assets And Liabilities
DeferredTaxAssetsRegulatoryAssetsAndLiabilities
347000000 USD
CY2016Q4 us-gaap Deferred Tax Assets Tax Deferred Expense Compensation And Benefits
DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits
316000000 USD
CY2017Q4 us-gaap Deferred Tax Assets Tax Deferred Expense Compensation And Benefits
DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits
162000000 USD
CY2016Q4 us-gaap Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Asset Retirement Obligations
DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAssetRetirementObligations
77000000 USD
CY2017Q4 us-gaap Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Asset Retirement Obligations
DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAssetRetirementObligations
68000000 USD
CY2016Q4 us-gaap Deferred Tax Assets Valuation Allowance
DeferredTaxAssetsValuationAllowance
5000000 USD
CY2017Q4 us-gaap Deferred Tax Assets Valuation Allowance
DeferredTaxAssetsValuationAllowance
7000000 USD
CY2016Q4 us-gaap Deferred Tax Liabilities
DeferredTaxLiabilities
5263000000 USD
CY2017Q4 us-gaap Deferred Tax Liabilities
DeferredTaxLiabilities
3174000000 USD
CY2016Q4 us-gaap Deferred Tax Liabilities Derivatives
DeferredTaxLiabilitiesDerivatives
4000000 USD
CY2017Q4 us-gaap Deferred Tax Liabilities Derivatives
DeferredTaxLiabilitiesDerivatives
13000000 USD
CY2016Q4 us-gaap Deferred Tax Liabilities Investment In Noncontrolled Affiliates
DeferredTaxLiabilitiesInvestmentInNoncontrolledAffiliates
1383000000 USD
CY2017Q4 us-gaap Deferred Tax Liabilities Investment In Noncontrolled Affiliates
DeferredTaxLiabilitiesInvestmentInNoncontrolledAffiliates
927000000 USD
CY2016Q4 us-gaap Deferred Tax Liabilities Investments
DeferredTaxLiabilitiesInvestments
772000000 USD
CY2017Q4 us-gaap Deferred Tax Liabilities Investments
DeferredTaxLiabilitiesInvestments
502000000 USD
CY2016Q4 us-gaap Deferred Tax Liabilities Noncurrent
DeferredTaxLiabilitiesNoncurrent
5263000000 USD
CY2017Q4 us-gaap Deferred Tax Liabilities Noncurrent
DeferredTaxLiabilitiesNoncurrent
3174000000 USD
CY2016Q4 us-gaap Deferred Tax Liabilities Property Plant And Equipment
DeferredTaxLiabilitiesPropertyPlantAndEquipment
2603000000 USD
CY2017Q4 us-gaap Deferred Tax Liabilities Property Plant And Equipment
DeferredTaxLiabilitiesPropertyPlantAndEquipment
1808000000 USD
CY2016Q4 us-gaap Deferred Tax Liabilities Regulatory Assets And Liabilities
DeferredTaxLiabilitiesRegulatoryAssetsAndLiabilities
940000000 USD
CY2017Q4 us-gaap Deferred Tax Liabilities Regulatory Assets And Liabilities
DeferredTaxLiabilitiesRegulatoryAssetsAndLiabilities
473000000 USD
CY2016 us-gaap Defined Benefit Plan Assets Transferred To From Plan
DefinedBenefitPlanAssetsTransferredToFromPlan
20000000 USD
CY2017 us-gaap Defined Benefit Plan Effect Of One Percentage Point Decrease On Accumulated Postretirement Benefit Obligation1
DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnAccumulatedPostretirementBenefitObligation1
11000000 USD
CY2017 us-gaap Defined Benefit Plan Effect Of One Percentage Point Decrease On Service And Interest Cost Components1
DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnServiceAndInterestCostComponents1
0 USD
CY2017 us-gaap Defined Benefit Plan Effect Of One Percentage Point Increase On Accumulated Postretirement Benefit Obligation
DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnAccumulatedPostretirementBenefitObligation
12000000 USD
CY2017 us-gaap Defined Benefit Plan Effect Of One Percentage Point Increase On Service And Interest Cost Components
DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnServiceAndInterestCostComponents
0 USD
CY2015 us-gaap Defined Contribution Plan Cost Recognized
DefinedContributionPlanCostRecognized
35000000 USD
CY2016 us-gaap Defined Contribution Plan Cost Recognized
DefinedContributionPlanCostRecognized
38000000 USD
CY2017 us-gaap Defined Contribution Plan Cost Recognized
DefinedContributionPlanCostRecognized
41000000 USD
CY2017 us-gaap Defined Contribution Plan Employer Matching Contribution Percent
DefinedContributionPlanEmployerMatchingContributionPercent
0.06
CY2017 us-gaap Defined Contribution Plan Employer Matching Contribution Percent Of Match
DefinedContributionPlanEmployerMatchingContributionPercentOfMatch
1
CY2017 us-gaap Defined Contribution Plan Maximum Annual Contributions Per Employee Percent
DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent
0.5
CY2015 us-gaap Depreciation
Depreciation
557000000 USD
CY2016 us-gaap Depreciation
Depreciation
607000000 USD
CY2017 us-gaap Depreciation
Depreciation
619000000 USD
CY2015 us-gaap Depreciation Depletion And Amortization
DepreciationDepletionAndAmortization
970000000 USD
CY2016 us-gaap Depreciation Depletion And Amortization
DepreciationDepletionAndAmortization
1126000000 USD
CY2017 us-gaap Depreciation Depletion And Amortization
DepreciationDepletionAndAmortization
1036000000 USD
CY2016Q4 us-gaap Derivative Asset Fair Value Gross Liability
DerivativeAssetFairValueGrossLiability
35000000 USD
CY2017Q4 us-gaap Derivative Asset Fair Value Gross Liability
DerivativeAssetFairValueGrossLiability
64000000 USD
CY2016Q4 us-gaap Derivative Assets Current
DerivativeAssetsCurrent
51000000 USD
CY2017Q4 us-gaap Derivative Assets Current
DerivativeAssetsCurrent
110000000 USD
CY2016Q4 us-gaap Derivative Assets Noncurrent
DerivativeAssetsNoncurrent
19000000 USD
CY2017Q4 us-gaap Derivative Assets Noncurrent
DerivativeAssetsNoncurrent
44000000 USD
CY2016Q4 us-gaap Derivative Fair Value Of Derivative Asset
DerivativeFairValueOfDerivativeAsset
105000000 USD
CY2017Q4 us-gaap Derivative Fair Value Of Derivative Asset
DerivativeFairValueOfDerivativeAsset
218000000 USD
CY2016Q4 us-gaap Derivative Fair Value Of Derivative Liability
DerivativeFairValueOfDerivativeLiability
784000000 USD
CY2017Q4 us-gaap Derivative Fair Value Of Derivative Liability
DerivativeFairValueOfDerivativeLiability
775000000 USD
CY2015 us-gaap Derivative Instruments Not Designated As Hedging Instruments Gain Loss Net
DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet
103000000 USD
CY2016 us-gaap Derivative Instruments Not Designated As Hedging Instruments Gain Loss Net
DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet
-361000000 USD
CY2017 us-gaap Derivative Instruments Not Designated As Hedging Instruments Gain Loss Net
DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet
188000000 USD
CY2016Q4 us-gaap Derivative Liabilities Current
DerivativeLiabilitiesCurrent
41000000 USD
CY2017Q4 us-gaap Derivative Liabilities Current
DerivativeLiabilitiesCurrent
20000000 USD
CY2016Q4 us-gaap Derivative Liabilities Noncurrent
DerivativeLiabilitiesNoncurrent
5000000 USD
CY2017Q4 us-gaap Derivative Liabilities Noncurrent
DerivativeLiabilitiesNoncurrent
4000000 USD
CY2016Q4 us-gaap Derivative Liability Fair Value Gross Asset
DerivativeLiabilityFairValueGrossAsset
21000000 USD
CY2017Q4 us-gaap Derivative Liability Fair Value Gross Asset
DerivativeLiabilityFairValueGrossAsset
83000000 USD
CY2016Q4 us-gaap Derivative Net Liability Position Aggregate Fair Value
DerivativeNetLiabilityPositionAggregateFairValue
1000000 USD
CY2017Q4 us-gaap Derivative Net Liability Position Aggregate Fair Value
DerivativeNetLiabilityPositionAggregateFairValue
2000000 USD
CY2017Q4 us-gaap Dividend Payable Date To Be Paid Day Month And Year
DividendPayableDateToBePaidDayMonthAndYear
2018-03-08
CY2016Q4 us-gaap Dividends Payable Current
DividendsPayableCurrent
0 USD
CY2017Q4 us-gaap Dividends Payable Current
DividendsPayableCurrent
120000000 USD
CY2017Q4 us-gaap Dividends Payable Date Declared Day Month And Year
DividendsPayableDateDeclaredDayMonthAndYear
2017-12-13
CY2017Q4 us-gaap Dividends Payable Date Of Record Day Month And Year
DividendsPayableDateOfRecordDayMonthAndYear
2018-02-15
CY2015 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
-1.61
CY2016Q1 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
0.36
CY2016Q2 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
-0.01
CY2016Q3 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
0.42
CY2016Q4 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
0.23
CY2016 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
1.00
CY2017Q1 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
0.45
CY2017Q2 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
0.31
CY2017Q3 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
0.39
CY2017Q4 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
3.01
CY2017 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
4.16
CY2015 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
-1.61
CY2016Q1 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
0.36
CY2016Q2 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
-0.01
CY2016Q3 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
0.41
CY2016Q4 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
0.23
CY2016 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
1.00
CY2017Q1 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
0.44
CY2017Q2 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
0.31
CY2017Q3 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
0.39
CY2017Q4 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
2.99
CY2017 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
4.13
CY2015 us-gaap Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
0.39
CY2016 us-gaap Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
0.37
CY2017 us-gaap Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
-0.69
CY2015 us-gaap Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
0.35
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
CY2015 us-gaap Employee Service Share Based Compensation Allocation Of Recognized Period Costs Capitalized Amount
EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount
0 USD
CY2016 us-gaap Employee Service Share Based Compensation Allocation Of Recognized Period Costs Capitalized Amount
EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount
0 USD
CY2017 us-gaap Employee Service Share Based Compensation Allocation Of Recognized Period Costs Capitalized Amount
EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount
0 USD
CY2015 us-gaap Employee Service Share Based Compensation Tax Benefit From Compensation Expense
EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense
6000000 USD
CY2016 us-gaap Employee Service Share Based Compensation Tax Benefit From Compensation Expense
EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense
7000000 USD
CY2017 us-gaap Employee Service Share Based Compensation Tax Benefit From Compensation Expense
EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense
8000000 USD
CY2015 us-gaap Employee Service Share Based Compensation Tax Benefit From Exercise Of Stock Options
EmployeeServiceShareBasedCompensationTaxBenefitFromExerciseOfStockOptions
6000000 USD
CY2016 us-gaap Employee Service Share Based Compensation Tax Benefit From Exercise Of Stock Options
EmployeeServiceShareBasedCompensationTaxBenefitFromExerciseOfStockOptions
5000000 USD
CY2017 us-gaap Employee Service Share Based Compensation Tax Benefit From Exercise Of Stock Options
EmployeeServiceShareBasedCompensationTaxBenefitFromExerciseOfStockOptions
6000000 USD
CY2016Q4 us-gaap Energy Related Inventory Natural Gas In Storage
EnergyRelatedInventoryNaturalGasInStorage
131000000 USD
CY2017Q4 us-gaap Energy Related Inventory Natural Gas In Storage
EnergyRelatedInventoryNaturalGasInStorage
222000000 USD
CY2015 us-gaap Equity Method Investment Dividends Or Distributions
EquityMethodInvestmentDividendsOrDistributions
294000000 USD
CY2016 us-gaap Equity Method Investment Dividends Or Distributions
EquityMethodInvestmentDividendsOrDistributions
319000000 USD
CY2017 us-gaap Equity Method Investment Dividends Or Distributions
EquityMethodInvestmentDividendsOrDistributions
333000000 USD
CY2016Q4 us-gaap Equity Method Investments
EquityMethodInvestments
2505000000 USD
CY2017Q4 us-gaap Equity Method Investments
EquityMethodInvestments
2472000000 USD
CY2017Q4 us-gaap Fair Value Assets Level1 To Level2 Transfers Amount
FairValueAssetsLevel1ToLevel2TransfersAmount
0 USD
CY2017Q4 us-gaap Fair Value Assets Level2 To Level1 Transfers Amount
FairValueAssetsLevel2ToLevel1TransfersAmount
0 USD
CY2015 us-gaap Fair Value Assets Measured On Recurring Basis Change In Unrealized Gain Loss
FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss
6000000 USD
CY2016 us-gaap Fair Value Assets Measured On Recurring Basis Change In Unrealized Gain Loss
FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss
-402000000 USD
CY2017 us-gaap Fair Value Assets Measured On Recurring Basis Change In Unrealized Gain Loss
FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss
87000000 USD
CY2017Q4 us-gaap Fair Value Liabilities Level1 To Level2 Transfers Amount
FairValueLiabilitiesLevel1ToLevel2TransfersAmount
0 USD
CY2017Q4 us-gaap Fair Value Liabilities Level2 To Level1 Transfers Amount
FairValueLiabilitiesLevel2ToLevel1TransfersAmount
0 USD
CY2015 us-gaap Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases
0 USD
CY2016 us-gaap Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases
12000000 USD
CY2017 us-gaap Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases
0 USD
CY2015 us-gaap Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Gain Loss Included In Earnings
FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInEarnings
7000000 USD
CY2016 us-gaap Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Gain Loss Included In Earnings
FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInEarnings
12000000 USD
CY2017 us-gaap Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Gain Loss Included In Earnings
FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInEarnings
96000000 USD
CY2015 us-gaap Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Settlements
FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationSettlements
12000000 USD
CY2016 us-gaap Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Settlements
FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationSettlements
27000000 USD
CY2017 us-gaap Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Settlements
FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationSettlements
11000000 USD
CY2015 us-gaap Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Transfers Into Level3
FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationTransfersIntoLevel3
1000000 USD
CY2016 us-gaap Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Transfers Into Level3
FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationTransfersIntoLevel3
-712000000 USD
CY2017 us-gaap Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Transfers Into Level3
FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationTransfersIntoLevel3
14000000 USD
CY2015 us-gaap Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Transfers Out Of Level3
FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationTransfersOutOfLevel3
1000000 USD
CY2016 us-gaap Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Transfers Out Of Level3
FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationTransfersOutOfLevel3
1000000 USD
CY2017 us-gaap Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Transfers Out Of Level3
FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationTransfersOutOfLevel3
17000000 USD
CY2014Q4 us-gaap Fair Value Net Derivative Asset Liability Measured On Recurring Basis With Unobservable Inputs
FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservableInputs
17000000 USD
CY2015Q4 us-gaap Fair Value Net Derivative Asset Liability Measured On Recurring Basis With Unobservable Inputs
FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservableInputs
12000000 USD
CY2016Q4 us-gaap Fair Value Net Derivative Asset Liability Measured On Recurring Basis With Unobservable Inputs
FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservableInputs
-704000000 USD
CY2017Q4 us-gaap Fair Value Net Derivative Asset Liability Measured On Recurring Basis With Unobservable Inputs
FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservableInputs
-622000000 USD
CY2016Q4 us-gaap Finite Lived Intangible Assets Accumulated Amortization
FiniteLivedIntangibleAssetsAccumulatedAmortization
18000000 USD
CY2017Q4 us-gaap Finite Lived Intangible Assets Accumulated Amortization
FiniteLivedIntangibleAssetsAccumulatedAmortization
31000000 USD
CY2017Q4 us-gaap Finite Lived Intangible Assets Amortization Expense Next Twelve Months
FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths
12000000 USD
CY2017Q4 us-gaap Finite Lived Intangible Assets Amortization Expense Year Five
FiniteLivedIntangibleAssetsAmortizationExpenseYearFive
5000000 USD
CY2017Q4 us-gaap Finite Lived Intangible Assets Amortization Expense Year Four
FiniteLivedIntangibleAssetsAmortizationExpenseYearFour
6000000 USD
CY2017Q4 us-gaap Finite Lived Intangible Assets Amortization Expense Year Three
FiniteLivedIntangibleAssetsAmortizationExpenseYearThree
6000000 USD
CY2017Q4 us-gaap Finite Lived Intangible Assets Amortization Expense Year Two
FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo
11000000 USD
CY2016Q4 us-gaap Finite Lived Intangible Assets Gross
FiniteLivedIntangibleAssetsGross
67000000 USD
CY2017Q4 us-gaap Finite Lived Intangible Assets Gross
FiniteLivedIntangibleAssetsGross
105000000 USD
CY2016Q4 us-gaap Finite Lived Intangible Assets Net
FiniteLivedIntangibleAssetsNet
49000000 USD
CY2017Q4 us-gaap Finite Lived Intangible Assets Net
FiniteLivedIntangibleAssetsNet
74000000 USD
CY2016Q4 us-gaap Goodwill
Goodwill
862000000 USD
CY2017Q4 us-gaap Goodwill
Goodwill
867000000 USD
CY2017 us-gaap Goodwill Acquired During Period
GoodwillAcquiredDuringPeriod
5000000 USD
CY2016 us-gaap Goodwill Impairment Loss
GoodwillImpairmentLoss
0 USD
CY2017 us-gaap Goodwill Impairment Loss
GoodwillImpairmentLoss
0 USD
CY2015 us-gaap Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest
IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
-1130000000 USD
CY2016 us-gaap Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest
IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
686000000 USD
CY2017 us-gaap Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest
IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
1063000000 USD
CY2015 us-gaap Income Loss From Equity Method Investments
IncomeLossFromEquityMethodInvestments
-1633000000 USD
CY2016 us-gaap Income Loss From Equity Method Investments
IncomeLossFromEquityMethodInvestments
208000000 USD
CY2017 us-gaap Income Loss From Equity Method Investments
IncomeLossFromEquityMethodInvestments
265000000 USD
CY2015 us-gaap Income Loss From Equity Method Investments Net Of Dividends Or Distributions
IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions
-1779000000 USD
CY2016 us-gaap Income Loss From Equity Method Investments Net Of Dividends Or Distributions
IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions
208000000 USD
CY2017 us-gaap Income Loss From Equity Method Investments Net Of Dividends Or Distributions
IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions
265000000 USD
CY2015 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
-438000000 USD
CY2016 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
254000000 USD
CY2017 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
-729000000 USD
CY2015 us-gaap Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate
IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate
-396000000 USD
CY2016 us-gaap Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate
IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate
240000000 USD
CY2017 us-gaap Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate
IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate
372000000 USD
CY2015 us-gaap Income Tax Reconciliation Other Adjustments
IncomeTaxReconciliationOtherAdjustments
0 USD
CY2016 us-gaap Income Tax Reconciliation Other Adjustments
IncomeTaxReconciliationOtherAdjustments
3000000 USD
CY2017 us-gaap Income Tax Reconciliation Other Adjustments
IncomeTaxReconciliationOtherAdjustments
3000000 USD
CY2015 us-gaap Income Tax Reconciliation Other Reconciling Items
IncomeTaxReconciliationOtherReconcilingItems
-15000000 USD
CY2016 us-gaap Income Tax Reconciliation Other Reconciling Items
IncomeTaxReconciliationOtherReconcilingItems
-16000000 USD
CY2017 us-gaap Income Tax Reconciliation Other Reconciling Items
IncomeTaxReconciliationOtherReconcilingItems
-17000000 USD
CY2015 us-gaap Income Tax Reconciliation State And Local Income Taxes
IncomeTaxReconciliationStateAndLocalIncomeTaxes
-27000000 USD
CY2016 us-gaap Income Tax Reconciliation State And Local Income Taxes
IncomeTaxReconciliationStateAndLocalIncomeTaxes
27000000 USD
CY2017 us-gaap Income Tax Reconciliation State And Local Income Taxes
IncomeTaxReconciliationStateAndLocalIncomeTaxes
26000000 USD
CY2015 us-gaap Income Taxes Paid Net
IncomeTaxesPaidNet
-45000000 USD
CY2016 us-gaap Income Taxes Paid Net
IncomeTaxesPaidNet
-104000000 USD
CY2017 us-gaap Income Taxes Paid Net
IncomeTaxesPaidNet
15000000 USD
CY2016Q4 us-gaap Income Taxes Receivable
IncomeTaxesReceivable
30000000 USD
CY2017Q4 us-gaap Income Taxes Receivable
IncomeTaxesReceivable
0 USD
CY2015 us-gaap Increase Decrease In Accounts And Other Receivables
IncreaseDecreaseInAccountsAndOtherReceivables
-345000000 USD
CY2016 us-gaap Increase Decrease In Accounts And Other Receivables
IncreaseDecreaseInAccountsAndOtherReceivables
117000000 USD
CY2017 us-gaap Increase Decrease In Accounts And Other Receivables
IncreaseDecreaseInAccountsAndOtherReceivables
216000000 USD
CY2015 us-gaap Increase Decrease In Accounts Payable
IncreaseDecreaseInAccountsPayable
-224000000 USD
CY2016 us-gaap Increase Decrease In Accounts Payable
IncreaseDecreaseInAccountsPayable
133000000 USD
CY2017 us-gaap Increase Decrease In Accounts Payable
IncreaseDecreaseInAccountsPayable
136000000 USD
CY2015 us-gaap Increase Decrease In Derivative Assets And Liabilities
IncreaseDecreaseInDerivativeAssetsAndLiabilities
7000000 USD
CY2016 us-gaap Increase Decrease In Derivative Assets And Liabilities
IncreaseDecreaseInDerivativeAssetsAndLiabilities
-30000000 USD
CY2017 us-gaap Increase Decrease In Derivative Assets And Liabilities
IncreaseDecreaseInDerivativeAssetsAndLiabilities
84000000 USD
CY2015 us-gaap Increase Decrease In Income Taxes Receivable
IncreaseDecreaseInIncomeTaxesReceivable
-18000000 USD
CY2016 us-gaap Increase Decrease In Income Taxes Receivable
IncreaseDecreaseInIncomeTaxesReceivable
-142000000 USD
CY2017 us-gaap Increase Decrease In Income Taxes Receivable
IncreaseDecreaseInIncomeTaxesReceivable
-30000000 USD
CY2015 us-gaap Increase Decrease In Inventories
IncreaseDecreaseInInventories
-28000000 USD
CY2016 us-gaap Increase Decrease In Inventories
IncreaseDecreaseInInventories
-34000000 USD
CY2017 us-gaap Increase Decrease In Inventories
IncreaseDecreaseInInventories
7000000 USD
CY2015 us-gaap Increase Decrease In Margin Deposits Outstanding
IncreaseDecreaseInMarginDepositsOutstanding
4000000 USD
CY2016 us-gaap Increase Decrease In Margin Deposits Outstanding
IncreaseDecreaseInMarginDepositsOutstanding
-101000000 USD
CY2017 us-gaap Increase Decrease In Margin Deposits Outstanding
IncreaseDecreaseInMarginDepositsOutstanding
55000000 USD
CY2015 us-gaap Increase Decrease In Other Current Assets
IncreaseDecreaseInOtherCurrentAssets
-10000000 USD
CY2016 us-gaap Increase Decrease In Other Current Assets
IncreaseDecreaseInOtherCurrentAssets
17000000 USD
CY2017 us-gaap Increase Decrease In Other Current Assets
IncreaseDecreaseInOtherCurrentAssets
-1000000 USD
CY2015 us-gaap Increase Decrease In Other Current Liabilities
IncreaseDecreaseInOtherCurrentLiabilities
-50000000 USD
CY2016 us-gaap Increase Decrease In Other Current Liabilities
IncreaseDecreaseInOtherCurrentLiabilities
22000000 USD
CY2017 us-gaap Increase Decrease In Other Current Liabilities
IncreaseDecreaseInOtherCurrentLiabilities
34000000 USD
CY2015 us-gaap Increase Decrease In Other Noncurrent Assets
IncreaseDecreaseInOtherNoncurrentAssets
5000000 USD
CY2016 us-gaap Increase Decrease In Other Noncurrent Assets
IncreaseDecreaseInOtherNoncurrentAssets
16000000 USD
CY2017 us-gaap Increase Decrease In Other Noncurrent Assets
IncreaseDecreaseInOtherNoncurrentAssets
4000000 USD
CY2015 us-gaap Increase Decrease In Other Noncurrent Liabilities
IncreaseDecreaseInOtherNoncurrentLiabilities
8000000 USD
CY2016 us-gaap Increase Decrease In Other Noncurrent Liabilities
IncreaseDecreaseInOtherNoncurrentLiabilities
30000000 USD
CY2017 us-gaap Increase Decrease In Other Noncurrent Liabilities
IncreaseDecreaseInOtherNoncurrentLiabilities
36000000 USD
CY2015 us-gaap Increase Decrease In Over Under Energy Recovery
IncreaseDecreaseInOverUnderEnergyRecovery
-43000000 USD
CY2016 us-gaap Increase Decrease In Over Under Energy Recovery
IncreaseDecreaseInOverUnderEnergyRecovery
72000000 USD
CY2017 us-gaap Increase Decrease In Over Under Energy Recovery
IncreaseDecreaseInOverUnderEnergyRecovery
85000000 USD
CY2015 us-gaap Increase Decrease In Regulatory Assets And Liabilities
IncreaseDecreaseInRegulatoryAssetsAndLiabilities
-63000000 USD
CY2016 us-gaap Increase Decrease In Regulatory Assets And Liabilities
IncreaseDecreaseInRegulatoryAssetsAndLiabilities
60000000 USD
CY2017 us-gaap Increase Decrease In Regulatory Assets And Liabilities
IncreaseDecreaseInRegulatoryAssetsAndLiabilities
107000000 USD
CY2015 us-gaap Increase Decrease In Restricted Cash
IncreaseDecreaseInRestrictedCash
-12000000 USD
CY2016 us-gaap Increase Decrease In Restricted Cash
IncreaseDecreaseInRestrictedCash
5000000 USD
CY2017 us-gaap Increase Decrease In Restricted Cash
IncreaseDecreaseInRestrictedCash
-5000000 USD
CY2015 us-gaap Interest And Debt Expense
InterestAndDebtExpense
352000000 USD
CY2016 us-gaap Interest And Debt Expense
InterestAndDebtExpense
338000000 USD
CY2017 us-gaap Interest And Debt Expense
InterestAndDebtExpense
313000000 USD
CY2015 us-gaap Interest Paid Net
InterestPaidNet
426000000 USD
CY2016 us-gaap Interest Paid Net
InterestPaidNet
406000000 USD
CY2017 us-gaap Interest Paid Net
InterestPaidNet
378000000 USD
CY2016Q4 us-gaap Interest Payable Current
InterestPayableCurrent
108000000 USD
CY2017Q4 us-gaap Interest Payable Current
InterestPayableCurrent
104000000 USD
CY2016Q4 us-gaap Inventory Raw Materials And Supplies
InventoryRawMaterialsAndSupplies
181000000 USD
CY2017Q4 us-gaap Inventory Raw Materials And Supplies
InventoryRawMaterialsAndSupplies
175000000 USD
CY2015 us-gaap Inventory Write Down
InventoryWriteDown
4000000 USD
CY2016 us-gaap Inventory Write Down
InventoryWriteDown
1000000 USD
CY2017 us-gaap Inventory Write Down
InventoryWriteDown
0 USD
CY2015 us-gaap Lease And Rental Expense
LeaseAndRentalExpense
9000000 USD
CY2016 us-gaap Lease And Rental Expense
LeaseAndRentalExpense
10000000 USD
CY2017 us-gaap Lease And Rental Expense
LeaseAndRentalExpense
10000000 USD
CY2016Q4 us-gaap Liabilities And Stockholders Equity
LiabilitiesAndStockholdersEquity
21829000000 USD
CY2017Q4 us-gaap Liabilities And Stockholders Equity
LiabilitiesAndStockholdersEquity
22736000000 USD
CY2016Q4 us-gaap Liabilities Current
LiabilitiesCurrent
3080000000 USD
CY2017Q4 us-gaap Liabilities Current
LiabilitiesCurrent
3069000000 USD
CY2016Q4 us-gaap Liabilities Fair Value Disclosure Recurring
LiabilitiesFairValueDisclosureRecurring
763000000 USD
CY2017Q4 us-gaap Liabilities Fair Value Disclosure Recurring
LiabilitiesFairValueDisclosureRecurring
692000000 USD
CY2016Q4 us-gaap Liabilities Other Than Longterm Debt Noncurrent
LiabilitiesOtherThanLongtermDebtNoncurrent
7757000000 USD
CY2017Q4 us-gaap Liabilities Other Than Longterm Debt Noncurrent
LiabilitiesOtherThanLongtermDebtNoncurrent
6784000000 USD
CY2016Q4 us-gaap Line Of Credit Facility Maximum Borrowing Capacity
LineOfCreditFacilityMaximumBorrowingCapacity
2500000000 USD
CY2017Q4 us-gaap Line Of Credit Facility Maximum Borrowing Capacity
LineOfCreditFacilityMaximumBorrowingCapacity
2900000000 USD
CY2016Q4 us-gaap Long Term Debt Current
LongTermDebtCurrent
1025000000 USD
CY2017Q4 us-gaap Long Term Debt Current
LongTermDebtCurrent
606000000 USD
CY2016Q4 us-gaap Long Term Debt Noncurrent
LongTermDebtNoncurrent
7532000000 USD
CY2017Q4 us-gaap Long Term Debt Noncurrent
LongTermDebtNoncurrent
8195000000 USD
CY2016Q4 us-gaap Marketable Securities Current
MarketableSecuritiesCurrent
953000000 USD
CY2017Q4 us-gaap Marketable Securities Current
MarketableSecuritiesCurrent
960000000 USD
CY2015 us-gaap Marketable Securities Gain Loss
MarketableSecuritiesGainLoss
-93000000 USD
CY2016 us-gaap Marketable Securities Gain Loss
MarketableSecuritiesGainLoss
326000000 USD
CY2017 us-gaap Marketable Securities Gain Loss
MarketableSecuritiesGainLoss
7000000 USD
CY2015 us-gaap Marketable Securities Unrealized Gain Loss Excluding Other Than Temporary Impairments
MarketableSecuritiesUnrealizedGainLossExcludingOtherThanTemporaryImpairments
-93000000 USD
CY2016 us-gaap Marketable Securities Unrealized Gain Loss Excluding Other Than Temporary Impairments
MarketableSecuritiesUnrealizedGainLossExcludingOtherThanTemporaryImpairments
326000000 USD
CY2017 us-gaap Marketable Securities Unrealized Gain Loss Excluding Other Than Temporary Impairments
MarketableSecuritiesUnrealizedGainLossExcludingOtherThanTemporaryImpairments
7000000 USD
CY2015 us-gaap Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
-517000000 USD
CY2016 us-gaap Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
-808000000 USD
CY2017 us-gaap Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
-245000000 USD
CY2015 us-gaap Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
-1387000000 USD
CY2016 us-gaap Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
-1046000000 USD
CY2017 us-gaap Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
-1257000000 USD
CY2015 us-gaap Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
1870000000 USD
CY2016 us-gaap Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
1931000000 USD
CY2017 us-gaap Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
1421000000 USD
CY2015 us-gaap Net Income Loss
NetIncomeLoss
-692000000 USD
CY2016Q1 us-gaap Net Income Loss
NetIncomeLoss
154000000 USD
CY2016Q2 us-gaap Net Income Loss
NetIncomeLoss
-2000000 USD
CY2016Q3 us-gaap Net Income Loss
NetIncomeLoss
179000000 USD
CY2016Q4 us-gaap Net Income Loss
NetIncomeLoss
101000000 USD
CY2016 us-gaap Net Income Loss
NetIncomeLoss
432000000 USD
CY2017Q1 us-gaap Net Income Loss
NetIncomeLoss
192000000 USD
CY2017Q2 us-gaap Net Income Loss
NetIncomeLoss
135000000 USD
CY2017Q3 us-gaap Net Income Loss
NetIncomeLoss
169000000 USD
CY2017Q4 us-gaap Net Income Loss
NetIncomeLoss
1296000000 USD
CY2017 us-gaap Net Income Loss
NetIncomeLoss
1792000000 USD
CY2016Q4 us-gaap Net Regulatory Assets
NetRegulatoryAssets
1431000000 USD
CY2017Q4 us-gaap Net Regulatory Assets
NetRegulatoryAssets
-11000000 USD
CY2015 us-gaap Nonoperating Income Expense
NonoperatingIncomeExpense
-2063000000 USD
CY2016 us-gaap Nonoperating Income Expense
NonoperatingIncomeExpense
-273000000 USD
CY2017 us-gaap Nonoperating Income Expense
NonoperatingIncomeExpense
-9000000 USD
CY2015 us-gaap Operating Income Loss
OperatingIncomeLoss
933000000 USD
CY2016Q1 us-gaap Operating Income Loss
OperatingIncomeLoss
250000000 USD
CY2016Q2 us-gaap Operating Income Loss
OperatingIncomeLoss
182000000 USD
CY2016Q3 us-gaap Operating Income Loss
OperatingIncomeLoss
284000000 USD
CY2016Q4 us-gaap Operating Income Loss
OperatingIncomeLoss
243000000 USD
CY2016 us-gaap Operating Income Loss
OperatingIncomeLoss
959000000 USD
CY2017Q1 us-gaap Operating Income Loss
OperatingIncomeLoss
274000000 USD
CY2017Q2 us-gaap Operating Income Loss
OperatingIncomeLoss
223000000 USD
CY2017Q3 us-gaap Operating Income Loss
OperatingIncomeLoss
279000000 USD
CY2017Q4 us-gaap Operating Income Loss
OperatingIncomeLoss
296000000 USD
CY2017 us-gaap Operating Income Loss
OperatingIncomeLoss
1072000000 USD
CY2017Q4 us-gaap Operating Leases Future Minimum Payments Due
OperatingLeasesFutureMinimumPaymentsDue
26000000 USD
CY2017Q4 us-gaap Operating Leases Future Minimum Payments Due Current
OperatingLeasesFutureMinimumPaymentsDueCurrent
5000000 USD
CY2017Q4 us-gaap Operating Leases Future Minimum Payments Due In Five Years
OperatingLeasesFutureMinimumPaymentsDueInFiveYears
3000000 USD
CY2017Q4 us-gaap Operating Leases Future Minimum Payments Due In Four Years
OperatingLeasesFutureMinimumPaymentsDueInFourYears
4000000 USD
CY2017Q4 us-gaap Operating Leases Future Minimum Payments Due In Three Years
OperatingLeasesFutureMinimumPaymentsDueInThreeYears
4000000 USD
CY2017Q4 us-gaap Operating Leases Future Minimum Payments Due In Two Years
OperatingLeasesFutureMinimumPaymentsDueInTwoYears
5000000 USD
CY2017Q4 us-gaap Operating Leases Future Minimum Payments Due Thereafter
OperatingLeasesFutureMinimumPaymentsDueThereafter
5000000 USD
CY2016Q4 us-gaap Other Assets Noncurrent
OtherAssetsNoncurrent
173000000 USD
CY2017Q4 us-gaap Other Assets Noncurrent
OtherAssetsNoncurrent
191000000 USD
CY2015 us-gaap Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Portion Attributable To Parent
OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent
-20000000 USD
CY2016 us-gaap Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Portion Attributable To Parent
OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent
7000000 USD
CY2017 us-gaap Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Portion Attributable To Parent
OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent
-6000000 USD
CY2015 us-gaap Other Comprehensive Income Defined Benefit Plans Tax Portion Attributable To Parent
OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent
-12000000 USD
CY2016 us-gaap Other Comprehensive Income Defined Benefit Plans Tax Portion Attributable To Parent
OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent
4000000 USD
CY2017 us-gaap Other Comprehensive Income Defined Benefit Plans Tax Portion Attributable To Parent
OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent
-6000000 USD
CY2016 us-gaap Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Before Tax
OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax
0 USD
CY2017 us-gaap Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Before Tax
OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax
1000000 USD
CY2015 us-gaap Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax
OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax
0 USD
CY2016 us-gaap Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax
OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax
1000000 USD
CY2017 us-gaap Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax
OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax
-3000000 USD
CY2015 us-gaap Other Comprehensive Income Loss Derivatives Qualifying As Hedges Tax
OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax
0 USD
CY2016 us-gaap Other Comprehensive Income Loss Derivatives Qualifying As Hedges Tax
OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax
0 USD
CY2017 us-gaap Other Comprehensive Income Loss Derivatives Qualifying As Hedges Tax
OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax
-2000000 USD
CY2015 us-gaap Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent
OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
20000000 USD
CY2016 us-gaap Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent
OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
-5000000 USD
CY2017 us-gaap Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent
OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
3000000 USD
CY2016 us-gaap Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Reclassification Adjustments And Tax
OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsAndTax
19000000 USD
CY2017 us-gaap Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Reclassification Adjustments And Tax
OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsAndTax
-4000000 USD
CY2015 us-gaap Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax
0 USD
CY2016 us-gaap Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax
-1000000 USD
CY2017 us-gaap Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax
0 USD
CY2015 us-gaap Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax
0 USD
CY2016 us-gaap Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax
-1000000 USD
CY2017 us-gaap Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax
0 USD
CY2016 us-gaap Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Before Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansBeforeTax
8000000 USD
CY2017 us-gaap Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Before Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansBeforeTax
8000000 USD
CY2016 us-gaap Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Before Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax
-8000000 USD
CY2017 us-gaap Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Before Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax
-7000000 USD
CY2016Q4 us-gaap Other Liabilities Current
OtherLiabilitiesCurrent
325000000 USD
CY2017Q4 us-gaap Other Liabilities Current
OtherLiabilitiesCurrent
368000000 USD
CY2016Q4 us-gaap Other Liabilities Noncurrent
OtherLiabilitiesNoncurrent
278000000 USD
CY2017Q4 us-gaap Other Liabilities Noncurrent
OtherLiabilitiesNoncurrent
357000000 USD
CY2016Q4 us-gaap Other Long Term Debt Current
OtherLongTermDebtCurrent
500000000 USD
CY2017Q4 us-gaap Other Long Term Debt Current
OtherLongTermDebtCurrent
50000000 USD
CY2016Q4 us-gaap Other Long Term Debt Noncurrent
OtherLongTermDebtNoncurrent
5665000000 USD
CY2017Q4 us-gaap Other Long Term Debt Noncurrent
OtherLongTermDebtNoncurrent
6761000000 USD
CY2015 us-gaap Other Nonoperating Income Expense
OtherNonoperatingIncomeExpense
46000000 USD
CY2016 us-gaap Other Nonoperating Income Expense
OtherNonoperatingIncomeExpense
35000000 USD
CY2017 us-gaap Other Nonoperating Income Expense
OtherNonoperatingIncomeExpense
60000000 USD
CY2015 us-gaap Other Operating Activities Cash Flow Statement
OtherOperatingActivitiesCashFlowStatement
27000000 USD
CY2016 us-gaap Other Operating Activities Cash Flow Statement
OtherOperatingActivitiesCashFlowStatement
48000000 USD
CY2017 us-gaap Other Operating Activities Cash Flow Statement
OtherOperatingActivitiesCashFlowStatement
24000000 USD
CY2015 us-gaap Payments For Proceeds From Other Investing Activities
PaymentsForProceedsFromOtherInvestingActivities
-5000000 USD
CY2016 us-gaap Payments For Proceeds From Other Investing Activities
PaymentsForProceedsFromOtherInvestingActivities
0 USD
CY2017 us-gaap Payments For Proceeds From Other Investing Activities
PaymentsForProceedsFromOtherInvestingActivities
1000000 USD
CY2015 us-gaap Payments Of Debt Extinguishment Costs
PaymentsOfDebtExtinguishmentCosts
0 USD
CY2016 us-gaap Payments Of Debt Extinguishment Costs
PaymentsOfDebtExtinguishmentCosts
22000000 USD
CY2017 us-gaap Payments Of Debt Extinguishment Costs
PaymentsOfDebtExtinguishmentCosts
5000000 USD
CY2015 us-gaap Payments Of Debt Issuance Costs
PaymentsOfDebtIssuanceCosts
0 USD
CY2016 us-gaap Payments Of Debt Issuance Costs
PaymentsOfDebtIssuanceCosts
9000000 USD
CY2017 us-gaap Payments Of Debt Issuance Costs
PaymentsOfDebtIssuanceCosts
13000000 USD
CY2015 us-gaap Payments Of Dividends Common Stock
PaymentsOfDividendsCommonStock
426000000 USD
CY2016 us-gaap Payments Of Dividends Common Stock
PaymentsOfDividendsCommonStock
443000000 USD
CY2017 us-gaap Payments Of Dividends Common Stock
PaymentsOfDividendsCommonStock
461000000 USD
CY2015 us-gaap Payments Related To Tax Withholding For Share Based Compensation
PaymentsRelatedToTaxWithholdingForShareBasedCompensation
5000000 USD
CY2016 us-gaap Payments Related To Tax Withholding For Share Based Compensation
PaymentsRelatedToTaxWithholdingForShareBasedCompensation
3000000 USD
CY2017 us-gaap Payments Related To Tax Withholding For Share Based Compensation
PaymentsRelatedToTaxWithholdingForShareBasedCompensation
4000000 USD
CY2015 us-gaap Payments To Acquire Businesses Net Of Cash Acquired
PaymentsToAcquireBusinessesNetOfCashAcquired
0 USD
CY2016 us-gaap Payments To Acquire Businesses Net Of Cash Acquired
PaymentsToAcquireBusinessesNetOfCashAcquired
102000000 USD
CY2017 us-gaap Payments To Acquire Businesses Net Of Cash Acquired
PaymentsToAcquireBusinessesNetOfCashAcquired
132000000 USD
CY2015 us-gaap Payments To Acquire Investments
PaymentsToAcquireInvestments
0 USD
CY2016 us-gaap Payments To Acquire Investments
PaymentsToAcquireInvestments
363000000 USD
CY2017 us-gaap Payments To Acquire Investments
PaymentsToAcquireInvestments
0 USD
CY2015 us-gaap Payments To Acquire Productive Assets
PaymentsToAcquireProductiveAssets
1584000000 USD
CY2016 us-gaap Payments To Acquire Productive Assets
PaymentsToAcquireProductiveAssets
1414000000 USD
CY2017 us-gaap Payments To Acquire Productive Assets
PaymentsToAcquireProductiveAssets
1426000000 USD
CY2016Q4 us-gaap Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent
PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent
913000000 USD
CY2017Q4 us-gaap Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent
PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent
785000000 USD
CY2015 us-gaap Pension Contributions
PensionContributions
66000000 USD
CY2016 us-gaap Pension Contributions
PensionContributions
9000000 USD
CY2017 us-gaap Pension Contributions
PensionContributions
48000000 USD
CY2015 us-gaap Postemployment Benefits Period Expense
PostemploymentBenefitsPeriodExpense
2000000 USD
CY2016 us-gaap Postemployment Benefits Period Expense
PostemploymentBenefitsPeriodExpense
5000000 USD
CY2017 us-gaap Postemployment Benefits Period Expense
PostemploymentBenefitsPeriodExpense
6000000 USD
CY2015Q4 us-gaap Preferred Stock Par Or Stated Value Per Share
PreferredStockParOrStatedValuePerShare
0.01
CY2016Q4 us-gaap Preferred Stock Par Or Stated Value Per Share
PreferredStockParOrStatedValuePerShare
0.01
CY2017Q4 us-gaap Preferred Stock Par Or Stated Value Per Share
PreferredStockParOrStatedValuePerShare
0.01
CY2015Q4 us-gaap Preferred Stock Shares Authorized
PreferredStockSharesAuthorized
20000000 shares
CY2016Q4 us-gaap Preferred Stock Shares Authorized
PreferredStockSharesAuthorized
20000000 shares
CY2017Q4 us-gaap Preferred Stock Shares Authorized
PreferredStockSharesAuthorized
20000000 shares
CY2015Q4 us-gaap Preferred Stock Shares Outstanding
PreferredStockSharesOutstanding
0 shares
CY2016Q4 us-gaap Preferred Stock Shares Outstanding
PreferredStockSharesOutstanding
0 shares
CY2017Q4 us-gaap Preferred Stock Shares Outstanding
PreferredStockSharesOutstanding
0 shares
CY2016Q4 us-gaap Preferred Stock Value
PreferredStockValue
0 USD
CY2017Q4 us-gaap Preferred Stock Value
PreferredStockValue
0 USD
CY2016Q4 us-gaap Prepaid Expense And Other Assets Current
PrepaidExpenseAndOtherAssetsCurrent
161000000 USD
CY2017Q4 us-gaap Prepaid Expense And Other Assets Current
PrepaidExpenseAndOtherAssetsCurrent
241000000 USD
CY2015 us-gaap Proceeds From Equity Method Investment Dividends Or Distributions Return Of Capital
ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital
148000000 USD
CY2016 us-gaap Proceeds From Equity Method Investment Dividends Or Distributions Return Of Capital
ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital
297000000 USD
CY2017 us-gaap Proceeds From Equity Method Investment Dividends Or Distributions Return Of Capital
ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital
297000000 USD
CY2015 us-gaap Proceeds From Issuance Of Long Term Debt
ProceedsFromIssuanceOfLongTermDebt
200000000 USD
CY2016 us-gaap Proceeds From Issuance Of Long Term Debt
ProceedsFromIssuanceOfLongTermDebt
600000000 USD
CY2017 us-gaap Proceeds From Issuance Of Long Term Debt
ProceedsFromIssuanceOfLongTermDebt
1096000000 USD
CY2015 us-gaap Proceeds From Payments For Other Financing Activities
ProceedsFromPaymentsForOtherFinancingActivities
-5000000 USD
CY2016 us-gaap Proceeds From Payments For Other Financing Activities
ProceedsFromPaymentsForOtherFinancingActivities
-2000000 USD
CY2017 us-gaap Proceeds From Payments For Other Financing Activities
ProceedsFromPaymentsForOtherFinancingActivities
-4000000 USD
CY2015 us-gaap Proceeds From Repayments Of Commercial Paper
ProceedsFromRepaymentsOfCommercialPaper
403000000 USD
CY2016 us-gaap Proceeds From Repayments Of Commercial Paper
ProceedsFromRepaymentsOfCommercialPaper
469000000 USD
CY2017 us-gaap Proceeds From Repayments Of Commercial Paper
ProceedsFromRepaymentsOfCommercialPaper
349000000 USD
CY2015 us-gaap Proceeds From Repayments Of Short Term Debt
ProceedsFromRepaymentsOfShortTermDebt
-13000000 USD
CY2016 us-gaap Proceeds From Repayments Of Short Term Debt
ProceedsFromRepaymentsOfShortTermDebt
-5000000 USD
CY2017 us-gaap Proceeds From Repayments Of Short Term Debt
ProceedsFromRepaymentsOfShortTermDebt
4000000 USD
CY2015 us-gaap Proceeds From Sale And Maturity Of Marketable Securities
ProceedsFromSaleAndMaturityOfMarketableSecurities
32000000 USD
CY2016 us-gaap Proceeds From Sale And Maturity Of Marketable Securities
ProceedsFromSaleAndMaturityOfMarketableSecurities
178000000 USD
CY2017 us-gaap Proceeds From Sale And Maturity Of Marketable Securities
ProceedsFromSaleAndMaturityOfMarketableSecurities
0 USD
CY2016Q4 us-gaap Property Plant And Equipment Gross
PropertyPlantAndEquipmentGross
17831000000 USD
CY2017Q4 us-gaap Property Plant And Equipment Gross
PropertyPlantAndEquipmentGross
19031000000 USD
CY2016Q4 us-gaap Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
12307000000 USD
CY2017Q4 us-gaap Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
13057000000 USD
CY2015 us-gaap Provision For Doubtful Accounts
ProvisionForDoubtfulAccounts
19000000 USD
CY2016 us-gaap Provision For Doubtful Accounts
ProvisionForDoubtfulAccounts
7000000 USD
CY2017 us-gaap Provision For Doubtful Accounts
ProvisionForDoubtfulAccounts
14000000 USD
CY2015 us-gaap Regulated Operating Revenue
RegulatedOperatingRevenue
5448000000 USD
CY2016 us-gaap Regulated Operating Revenue
RegulatedOperatingRevenue
5440000000 USD
CY2017 us-gaap Regulated Operating Revenue
RegulatedOperatingRevenue
5603000000 USD
CY2016Q4 us-gaap Regulatory Assets
RegulatoryAssets
2747000000 USD
CY2017Q4 us-gaap Regulatory Assets
RegulatoryAssets
2477000000 USD
CY2016Q4 us-gaap Regulatory Assets Current
RegulatoryAssetsCurrent
70000000 USD
CY2017Q4 us-gaap Regulatory Assets Current
RegulatoryAssetsCurrent
130000000 USD
CY2016Q4 us-gaap Regulatory Assets Noncurrent
RegulatoryAssetsNoncurrent
2677000000 USD
CY2017Q4 us-gaap Regulatory Assets Noncurrent
RegulatoryAssetsNoncurrent
2347000000 USD
CY2016Q4 us-gaap Regulatory Liabilities
RegulatoryLiabilities
1316000000 USD
CY2017Q4 us-gaap Regulatory Liabilities
RegulatoryLiabilities
2488000000 USD
CY2016Q4 us-gaap Regulatory Liability Current
RegulatoryLiabilityCurrent
18000000 USD
CY2017Q4 us-gaap Regulatory Liability Current
RegulatoryLiabilityCurrent
24000000 USD
CY2016Q4 us-gaap Regulatory Liability Noncurrent
RegulatoryLiabilityNoncurrent
1298000000 USD
CY2017Q4 us-gaap Regulatory Liability Noncurrent
RegulatoryLiabilityNoncurrent
2464000000 USD
CY2015 us-gaap Repayment Of Notes Receivable From Related Parties
RepaymentOfNotesReceivableFromRelatedParties
0 USD
CY2016 us-gaap Repayment Of Notes Receivable From Related Parties
RepaymentOfNotesReceivableFromRelatedParties
363000000 USD
CY2017 us-gaap Repayment Of Notes Receivable From Related Parties
RepaymentOfNotesReceivableFromRelatedParties
0 USD
CY2015 us-gaap Repayments Of Long Term Debt
RepaymentsOfLongTermDebt
644000000 USD
CY2016 us-gaap Repayments Of Long Term Debt
RepaymentsOfLongTermDebt
1218000000 USD
CY2017 us-gaap Repayments Of Long Term Debt
RepaymentsOfLongTermDebt
1211000000 USD
CY2016Q4 us-gaap Restricted Cash And Cash Equivalents
RestrictedCashAndCashEquivalents
40000000 USD
CY2017Q4 us-gaap Restricted Cash And Cash Equivalents
RestrictedCashAndCashEquivalents
36000000 USD
CY2016Q4 us-gaap Retained Earnings Accumulated Deficit
RetainedEarningsAccumulatedDeficit
-668000000 USD
CY2017Q4 us-gaap Retained Earnings Accumulated Deficit
RetainedEarningsAccumulatedDeficit
543000000 USD
CY2015 us-gaap Revenues
Revenues
7386000000 USD
CY2016Q1 us-gaap Revenues
Revenues
1984000000 USD
CY2016Q2 us-gaap Revenues
Revenues
1574000000 USD
CY2016Q3 us-gaap Revenues
Revenues
1889000000 USD
CY2016Q4 us-gaap Revenues
Revenues
2081000000 USD
CY2016 us-gaap Revenues
Revenues
7528000000 USD
CY2017Q1 us-gaap Revenues
Revenues
2735000000 USD
CY2017Q2 us-gaap Revenues
Revenues
2143000000 USD
CY2017Q3 us-gaap Revenues
Revenues
2098000000 USD
CY2017Q4 us-gaap Revenues
Revenues
2638000000 USD
CY2017 us-gaap Revenues
Revenues
9614000000 USD
CY2016Q4 us-gaap Securitized Regulatory Transition Assets Noncurrent
SecuritizedRegulatoryTransitionAssetsNoncurrent
1919000000 USD
CY2017Q4 us-gaap Securitized Regulatory Transition Assets Noncurrent
SecuritizedRegulatoryTransitionAssetsNoncurrent
1590000000 USD
CY2017Q4 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Authorized
ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
14000000 shares
CY2016Q4 us-gaap Short Term Borrowings
ShortTermBorrowings
35000000 USD
CY2017Q4 us-gaap Short Term Borrowings
ShortTermBorrowings
39000000 USD
CY2015Q4 us-gaap Stockholders Equity
StockholdersEquity
3461000000 USD
CY2016Q4 us-gaap Stockholders Equity
StockholdersEquity
3460000000 USD
CY2017Q4 us-gaap Stockholders Equity
StockholdersEquity
4688000000 USD
CY2015 us-gaap Taxes Excluding Income And Excise Taxes
TaxesExcludingIncomeAndExciseTaxes
374000000 USD
CY2016 us-gaap Taxes Excluding Income And Excise Taxes
TaxesExcludingIncomeAndExciseTaxes
384000000 USD
CY2017 us-gaap Taxes Excluding Income And Excise Taxes
TaxesExcludingIncomeAndExciseTaxes
391000000 USD
CY2016Q4 us-gaap Taxes Payable Current
TaxesPayableCurrent
172000000 USD
CY2017Q4 us-gaap Taxes Payable Current
TaxesPayableCurrent
181000000 USD
CY2016Q4 us-gaap Unamortized Loss Reacquired Debt Noncurrent
UnamortizedLossReacquiredDebtNoncurrent
84000000 USD
CY2017Q4 us-gaap Unamortized Loss Reacquired Debt Noncurrent
UnamortizedLossReacquiredDebtNoncurrent
75000000 USD
CY2016Q4 us-gaap Unbilled Receivables Current
UnbilledReceivablesCurrent
335000000 USD
CY2017Q4 us-gaap Unbilled Receivables Current
UnbilledReceivablesCurrent
427000000 USD
CY2015 us-gaap Unregulated Operating Revenue
UnregulatedOperatingRevenue
1938000000 USD
CY2016 us-gaap Unregulated Operating Revenue
UnregulatedOperatingRevenue
2088000000 USD
CY2017 us-gaap Unregulated Operating Revenue
UnregulatedOperatingRevenue
4011000000 USD
CY2015 us-gaap Utilities Operating Expense Gas And Petroleum Purchased
UtilitiesOperatingExpenseGasAndPetroleumPurchased
1264000000 USD
CY2016 us-gaap Utilities Operating Expense Gas And Petroleum Purchased
UtilitiesOperatingExpenseGasAndPetroleumPurchased
983000000 USD
CY2017 us-gaap Utilities Operating Expense Gas And Petroleum Purchased
UtilitiesOperatingExpenseGasAndPetroleumPurchased
1109000000 USD
CY2015 us-gaap Utilities Operating Expense Maintenance Operations And Other Costs And Expenses
UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses
2007000000 USD
CY2016 us-gaap Utilities Operating Expense Maintenance Operations And Other Costs And Expenses
UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses
2093000000 USD
CY2017 us-gaap Utilities Operating Expense Maintenance Operations And Other Costs And Expenses
UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses
2221000000 USD
CY2016 us-gaap Valuation Allowance Deferred Tax Asset Change In Amount
ValuationAllowanceDeferredTaxAssetChangeInAmount
3000000 USD
CY2015 us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
430180000 shares
CY2016 us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
433603000 shares
CY2017 us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
434308000 shares
CY2015 us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
430180000 shares
CY2016 us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
430606000 shares
CY2017 us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
430964000 shares
CY2017 us-gaap Use Of Estimates
UseOfEstimates
<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-style:italic;font-weight:bold;">Use of Estimates</font></div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div><div style="line-height:120%;text-align:justify;text-indent:24px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">The preparation of financial statements in conformity with generally accepted accounting principles requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, disclosure of contingent assets and liabilities at the date of the financial statements, and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates.</font></div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></div>

Files In Submission

Name View Source Status
0001130310-18-000003-index-headers.html Edgar Link pending
0001130310-18-000003-index.html Edgar Link pending
0001130310-18-000003.txt Edgar Link pending
0001130310-18-000003-xbrl.zip Edgar Link pending
cesonlycombinedcolora03.jpg Edgar Link pending
cnp-20171231.xml Edgar Link completed
cnp-20171231.xsd Edgar Link pending
cnp-20171231_cal.xml Edgar Link unprocessable
cnp-20171231_def.xml Edgar Link unprocessable
cnp-20171231_lab.xml Edgar Link unprocessable
cnp-20171231_pre.xml Edgar Link unprocessable
cnp_10kx12312017.htm Edgar Link pending
cnp_exhibit10hx12312017.htm Edgar Link pending
cnp_exhibit10q2x12312017.htm Edgar Link pending
cnp_exhibit10q3x12312017.htm Edgar Link pending
cnp_exhibit10q5x12312017.htm Edgar Link pending
cnp_exhibit10q6x12312017.htm Edgar Link pending
cnp_exhibit10q7x12312017.htm Edgar Link pending
cnp_exhibit10rx12312017.htm Edgar Link pending
cnp_exhibit10sx12312017.htm Edgar Link pending
cnp_exhibit12x12312017.htm Edgar Link pending
cnp_exhibit21x12312017.htm Edgar Link pending
cnp_exhibit231x12312017.htm Edgar Link pending
cnp_exhibit232x12312017.htm Edgar Link pending
cnp_exhibit311x12312017.htm Edgar Link pending
cnp_exhibit312x12312017.htm Edgar Link pending
cnp_exhibit321x12312017.htm Edgar Link pending
cnp_exhibit322x12312017.htm Edgar Link pending
electric.jpg Edgar Link pending
FilingSummary.xml Edgar Link unprocessable
Financial_Report.xlsx Edgar Link pending
ngddescriptiona01.jpg Edgar Link pending
ngdterritory.jpg Edgar Link pending
R1.htm Edgar Link pending
R10.htm Edgar Link pending
R11.htm Edgar Link pending
R12.htm Edgar Link pending
R13.htm Edgar Link pending
R14.htm Edgar Link pending
R15.htm Edgar Link pending
R16.htm Edgar Link pending
R17.htm Edgar Link pending
R18.htm Edgar Link pending
R19.htm Edgar Link pending
R2.htm Edgar Link pending
R20.htm Edgar Link pending
R21.htm Edgar Link pending
R22.htm Edgar Link pending
R23.htm Edgar Link pending
R24.htm Edgar Link pending
R25.htm Edgar Link pending
R26.htm Edgar Link pending
R27.htm Edgar Link pending
R28.htm Edgar Link pending
R29.htm Edgar Link pending
R3.htm Edgar Link pending
R30.htm Edgar Link pending
R31.htm Edgar Link pending
R32.htm Edgar Link pending
R33.htm Edgar Link pending
R34.htm Edgar Link pending
R35.htm Edgar Link pending
R36.htm Edgar Link pending
R37.htm Edgar Link pending
R38.htm Edgar Link pending
R39.htm Edgar Link pending
R4.htm Edgar Link pending
R40.htm Edgar Link pending
R41.htm Edgar Link pending
R42.htm Edgar Link pending
R43.htm Edgar Link pending
R44.htm Edgar Link pending
R45.htm Edgar Link pending
R46.htm Edgar Link pending
R47.htm Edgar Link pending
R48.htm Edgar Link pending
R49.htm Edgar Link pending
R5.htm Edgar Link pending
R50.htm Edgar Link pending
R51.htm Edgar Link pending
R52.htm Edgar Link pending
R53.htm Edgar Link pending
R54.htm Edgar Link pending
R55.htm Edgar Link pending
R56.htm Edgar Link pending
R57.htm Edgar Link pending
R58.htm Edgar Link pending
R59.htm Edgar Link pending
R6.htm Edgar Link pending
R60.htm Edgar Link pending
R61.htm Edgar Link pending
R62.htm Edgar Link pending
R63.htm Edgar Link pending
R64.htm Edgar Link pending
R65.htm Edgar Link pending
R66.htm Edgar Link pending
R67.htm Edgar Link pending
R68.htm Edgar Link pending
R69.htm Edgar Link pending
R7.htm Edgar Link pending
R70.htm Edgar Link pending
R71.htm Edgar Link pending
R8.htm Edgar Link pending
R9.htm Edgar Link pending
report.css Edgar Link pending
revisedcnporgstructure.jpg Edgar Link pending
Show.js Edgar Link pending
usmapa03.jpg Edgar Link pending
usmaplegenda03.jpg Edgar Link pending