$OGE
OGE Energy Corp Stock $oge

$oge Overview Financials Valuation SEC Filings Company Website

2016 Form 10-K Financial Statement

#000102163517000013 Filed on February 23, 2017

Income Statement

Concept	2016	2015 Q4	2015 Q3
Revenue	$2.259B	$447.1M	$719.8M
YoY Change	2.84%	-15.03%	-4.62%
Cost Of Revenue	$880.1M	$182.7M	$259.8M
YoY Change	1.75%	-22.91%	-14.9%
Gross Profit	$1.379B	$264.4M	$460.0M
YoY Change	3.54%	-8.58%	2.36%
Gross Profit Margin	61.04%	59.14%	63.91%
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$322.6M	$77.90M	$77.90M
YoY Change	4.77%	4.99%	8.65%
% of Gross Profit	23.39%	29.46%	16.93%
Operating Expenses	$848.3M	$217.6M	$209.2M
YoY Change	2.72%	6.61%	3.92%
Operating Profit	$530.8M	$46.80M	$250.8M
YoY Change	4.88%	-45.01%	1.09%
Interest Expense	$142.1M	-$9.100M	$37.00M
YoY Change	-4.63%	-289.58%	-0.54%
% of Operating Profit	26.77%	-19.44%	14.75%
Other Income/Expense, Net	$97.60M	$4.700M	-$66.10M
YoY Change	741.38%	14.63%	-240.04%
Pretax Income	$486.3M	$42.40M	$147.7M
YoY Change	31.9%	-54.89%	-42.77%
Income Tax	$148.1M	$13.00M	$36.50M
% Of Pretax Income	30.45%	30.66%	24.71%
Net Earnings	$338.2M	$29.40M	$111.2M
YoY Change	24.66%	-49.66%	-40.63%
Net Earnings / Revenue	14.97%	6.58%	15.45%
Basic Earnings Per Share	$1.69	$0.15	$0.55
Diluted Earnings Per Share	$1.69	$0.15	$0.55
COMMON SHARES
Basic Shares Outstanding	199.7M shares		199.7M shares
Diluted Shares Outstanding	199.9M shares		199.7M shares

Balance Sheet

Concept	2016	2015 Q4	2015 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments	$0.00	$75.00M	$43.00M
YoY Change	-100.0%	1150.0%
Cash & Equivalents	$0.00	$75.20M	$43.30M
Short-Term Investments
Other Short-Term Assets	$193.0M	$55.60M	$44.90M
YoY Change	77.06%	44.79%	-2.39%
Inventory	$162.0M	$113.8M	$86.20M
Prepaid Expenses
Receivables	$176.0M	$173.1M	$222.6M
Other Receivables	$19.00M	$17.00M	$18.00M
Total Short-Term Assets	$550.0M	$570.2M	$753.1M
YoY Change	-3.51%	-19.34%	1.77%
LONG-TERM ASSETS
Property, Plant & Equipment	$7.770B	$7.322B	$7.167B
YoY Change	5.1%	4.91%	3.46%
Goodwill
YoY Change
Intangibles
YoY Change
Long-Term Investments	$1.159B	$1.194B	$1.202B
YoY Change	-2.93%	-9.39%	-8.31%
Other Assets	$399.0M	$422.9M	$425.5M
YoY Change	9.02%	-6.58%	2.01%
Total Long-Term Assets	$9.390B	$9.010B	$8.848B
YoY Change	4.21%	2.36%	1.43%
TOTAL ASSETS
Total Short-Term Assets	$550.0M	$570.2M	$753.1M
Total Long-Term Assets	$9.390B	$9.010B	$8.848B
Total Assets	$9.940B	$9.581B	$9.601B
YoY Change	3.75%	0.74%	1.46%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$205.0M	$262.5M	$125.7M
YoY Change	-22.05%	46.57%	-12.16%
Accrued Expenses	$86.00M	$97.00M	$71.00M
YoY Change	-11.34%	19.75%	-7.79%
Deferred Revenue
YoY Change
Short-Term Debt	$236.0M	$0.00	$0.00
YoY Change		-100.0%	-100.0%
Long-Term Debt Due	$225.0M	$110.0M	$110.0M
YoY Change	104.55%
Total Short-Term Liabilities	$1.027B	$752.8M	$586.8M
YoY Change	36.39%	31.31%	-32.48%
LONG-TERM LIABILITIES
Long-Term Debt	$2.406B	$2.629B	$2.646B
YoY Change	-8.48%	-4.59%	5.41%
Other Long-Term Liabilities	$728.0M	$121.3M	$110.6M
YoY Change	4.75%	12.31%	2.98%
Total Long-Term Liabilities	$3.134B	$2.750B	$2.756B
YoY Change	-5.72%	-3.95%	5.31%
TOTAL LIABILITIES
Total Short-Term Liabilities	$1.027B	$752.8M	$586.8M
Total Long-Term Liabilities	$3.134B	$2.750B	$2.756B
Total Liabilities	$6.496B	$6.255B	$6.264B
YoY Change	3.85%	-0.46%	0.72%
SHAREHOLDERS EQUITY
Retained Earnings		$2.260B	$2.285B
YoY Change		2.8%	4.37%
Common Stock		$1.101B
YoY Change		1.26%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$3.444B	$3.326B	$3.353B
YoY Change
Total Liabilities & Shareholders Equity	$9.940B	$9.581B	$9.618B
YoY Change	3.75%	0.55%	1.64%

Cashflow Statement

Concept	2016	2015 Q4	2015 Q3
OPERATING ACTIVITIES
Net Income	$338.2M	$29.40M	$111.2M
YoY Change	24.66%	-49.66%	-40.63%
Depreciation, Depletion And Amortization	$322.6M	$77.90M	$77.90M
YoY Change	4.77%	4.99%	8.65%
Cash From Operating Activities	$644.7M	$258.0M	$303.3M
YoY Change	-25.65%	1.14%	6.53%
INVESTING ACTIVITIES
Capital Expenditures	-$660.1M	-$172.8M	-$147.3M
YoY Change	20.5%	31.01%	5.36%
Acquisitions
YoY Change
Other Investing Activities	$39.70M	$8.600M	$37.10M
YoY Change	-16.77%	8500.0%	290.53%
Cash From Investing Activities	-$620.4M	-$164.2M	-$110.2M
YoY Change	24.06%	24.58%	-15.43%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net	$0.00
YoY Change	-100.0%
Debt Paid & Issued, Net	$110.2M
YoY Change	55000.0%
Cash From Financing Activities	-$99.20M	-61.90M	-149.8M
YoY Change	-66.63%	-47.45%	-4.34%
NET CHANGE
Cash From Operating Activities	$644.7M	258.0M	303.3M
Cash From Investing Activities	-$620.4M	-164.2M	-110.2M
Cash From Financing Activities	-$99.20M	-61.90M	-149.8M
Net Change In Cash	-$74.90M	31.90M	43.30M
YoY Change	-207.46%	480.0%	-2068.18%
FREE CASH FLOW
Cash From Operating Activities	$644.7M	$258.0M	$303.3M
Capital Expenditures	-$660.1M	-$172.8M	-$147.3M
Free Cash Flow	$1.305B	$430.8M	$450.6M
YoY Change	-7.78%	11.32%	6.15%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
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CY2016	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2016	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2016	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2016
CY2016	dei	Document Period End Date DocumentPeriodEndDate	2016-12-31
CY2016	dei	Document Type DocumentType	10-K
CY2016	dei	Entity Central Index Key EntityCentralIndexKey	0001021635
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CY2016	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2016	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
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CY2016	dei	Entity Registrant Name EntityRegistrantName	OGE ENERGY CORP.
CY2016	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
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CY2015	oge	Increase Decrease In Regulatory Assets Noncurrent IncreaseDecreaseInRegulatoryAssetsNoncurrent	9100000	USD
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CY2016	oge	Percent Of Principal Amount Subject To Optional Tender PercentOfPrincipalAmountSubjectToOptionalTender	1.0000
CY2016Q4	oge	Postretirement Plan Expected Future Benefit Payments In Year Five PostretirementPlanExpectedFutureBenefitPaymentsInYearFive	14100000	USD
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CY2016Q4	oge	Postretirement Plan Expected Future Benefit Payments In Year One PostretirementPlanExpectedFutureBenefitPaymentsInYearOne	14000000	USD
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CY2016Q4	oge	Postretirement Plan Expected Future Benefit Payments Thereafter PostretirementPlanExpectedFutureBenefitPaymentsThereafter	69100000	USD
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CY2015Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-35100000	USD
CY2016Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-29300000	USD
CY2015Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	1099300000	USD
CY2016Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	1103800000	USD
CY2014	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	800000	USD
CY2015	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	6500000	USD
CY2016	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	4500000	USD
CY2015Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	1400000	USD
CY2016Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	1500000	USD
CY2014	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
CY2015	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
CY2016	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
CY2014Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	58600000	USD
CY2015Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	63300000	USD
CY2016Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	69600000	USD
CY2015	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	2600000	USD
CY2016	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	2800000	USD
CY2015	us-gaap	Asset Retirement Obligation Liabilities Incurred AssetRetirementObligationLiabilitiesIncurred	900000	USD
CY2016	us-gaap	Asset Retirement Obligation Liabilities Incurred AssetRetirementObligationLiabilitiesIncurred	0	USD
CY2015	us-gaap	Asset Retirement Obligation Liabilities Settled AssetRetirementObligationLiabilitiesSettled	400000	USD
CY2016	us-gaap	Asset Retirement Obligation Liabilities Settled AssetRetirementObligationLiabilitiesSettled	100000	USD
CY2015	us-gaap	Asset Retirement Obligation Revision Of Estimate AssetRetirementObligationRevisionOfEstimate	1600000	USD
CY2016	us-gaap	Asset Retirement Obligation Revision Of Estimate AssetRetirementObligationRevisionOfEstimate	3600000	USD
CY2014Q4	us-gaap	Assets Assets	9509900000	USD
CY2015Q4	us-gaap	Assets Assets	9580600000	USD
CY2016Q4	us-gaap	Assets Assets	9939600000	USD
CY2015Q4	us-gaap	Assets Current AssetsCurrent	570200000	USD
CY2016Q4	us-gaap	Assets Current AssetsCurrent	549500000	USD
CY2015Q4	us-gaap	Capitalization Longterm Debt And Equity CapitalizationLongtermDebtAndEquity	6064800000	USD
CY2016Q4	us-gaap	Capitalization Longterm Debt And Equity CapitalizationLongtermDebtAndEquity	6074300000	USD
CY2014	us-gaap	Capitalized Computer Software Amortization1 CapitalizedComputerSoftwareAmortization1	9500000	USD
CY2015	us-gaap	Capitalized Computer Software Amortization1 CapitalizedComputerSoftwareAmortization1	8900000	USD
CY2016	us-gaap	Capitalized Computer Software Amortization1 CapitalizedComputerSoftwareAmortization1	9400000	USD
CY2015Q4	us-gaap	Capitalized Computer Software Net CapitalizedComputerSoftwareNet	36700000	USD
CY2016Q4	us-gaap	Capitalized Computer Software Net CapitalizedComputerSoftwareNet	37500000	USD
CY2013Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	6800000	USD
CY2014Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	5500000	USD
CY2015Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	75200000	USD
CY2016Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	300000	USD
CY2014	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-1300000	USD
CY2015	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	69700000	USD
CY2016	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-74900000	USD
CY2015Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2016Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2014	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.95000
CY2015	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.05000
CY2016	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.15500
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
CY2015Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	450000000	shares
CY2016Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	450000000	shares
CY2015Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	199700000	shares
CY2016Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	199700000	shares
CY2015Q4	us-gaap	Common Stock Value CommonStockValue	2000000	USD
CY2016Q4	us-gaap	Common Stock Value CommonStockValue	2000000	USD
CY2015Q4	us-gaap	Common Stocks Including Additional Paid In Capital CommonStocksIncludingAdditionalPaidInCapital	1101300000	USD
CY2016Q4	us-gaap	Common Stocks Including Additional Paid In Capital CommonStocksIncludingAdditionalPaidInCapital	1105800000	USD
CY2014	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	382600000	USD
CY2015	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	277600000	USD
CY2016	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	344000000	USD
CY2015Q4	us-gaap	Construction In Progress Gross ConstructionInProgressGross	278500000	USD
CY2016Q4	us-gaap	Construction In Progress Gross ConstructionInProgressGross	495100000	USD
CY2014	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	1106600000	USD
CY2015	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	865000000	USD
CY2016	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	880100000	USD
CY2014	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	0	USD
CY2015	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	0	USD
CY2016	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	0	USD
CY2014	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	-4500000	USD
CY2015	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	-5200000	USD
CY2016	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	-5700000	USD
CY2014	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	-4500000	USD
CY2015	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	-5200000	USD
CY2016	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	-5700000	USD
CY2015Q4	us-gaap	Customer Deposits Current CustomerDepositsCurrent	77000000	USD
CY2016Q4	us-gaap	Customer Deposits Current CustomerDepositsCurrent	77700000	USD
CY2015Q4	us-gaap	Customer Refund Liability Current CustomerRefundLiabilityCurrent	61300000	USD
CY2016Q4	us-gaap	Customer Refund Liability Current CustomerRefundLiabilityCurrent	0	USD
CY2014	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	160000000	USD
CY2015	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	98800000	USD
CY2016	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	126000000	USD
CY2015Q4	us-gaap	Deferred Fuel Cost DeferredFuelCost	0	USD
CY2016Q4	us-gaap	Deferred Fuel Cost DeferredFuelCost	51300000	USD
CY2014	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	178200000	USD
CY2015	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	103300000	USD
CY2016	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	154000000	USD
CY2014	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	177300000	USD
CY2015	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	102600000	USD
CY2016	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	153800000	USD
CY2014	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	18200000	USD
CY2015	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	4500000	USD
CY2016	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	28000000	USD
CY2016Q4	us-gaap	Deferred Storm And Property Reserve Deficiency Current DeferredStormAndPropertyReserveDeficiencyCurrent	2700000	USD
CY2015Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	6600000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	14000000	USD
CY2015Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	184400000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	220600000	USD
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CY2016Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Postretirement Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits	48900000	USD
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CY2016Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	16100000	USD
CY2015Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Allowance For Doubtful Accounts DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts	500000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Allowance For Doubtful Accounts DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts	600000	USD
CY2015Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Asset Retirement Obligations DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAssetRetirementObligations	22500000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Asset Retirement Obligations DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAssetRetirementObligations	24500000	USD
CY2015Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Other DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther	3200000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Other DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther	3500000	USD
CY2015Q4	us-gaap	Deferred Tax Liabilities Derivatives DeferredTaxLiabilitiesDerivatives	1500000	USD
CY2016Q4	us-gaap	Deferred Tax Liabilities Derivatives DeferredTaxLiabilitiesDerivatives	2200000	USD
CY2015Q4	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	2178200000	USD
CY2016Q4	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	2334500000	USD
CY2015Q4	us-gaap	Deferred Tax Liabilities Prepaid Expenses DeferredTaxLiabilitiesPrepaidExpenses	13700000	USD
CY2016Q4	us-gaap	Deferred Tax Liabilities Prepaid Expenses DeferredTaxLiabilitiesPrepaidExpenses	16500000	USD
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CY2016Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	2103200000	USD
CY2015Q4	us-gaap	Deferred Tax Liabilities Regulatory Assets DeferredTaxLiabilitiesRegulatoryAssets	32700000	USD
CY2016Q4	us-gaap	Deferred Tax Liabilities Regulatory Assets DeferredTaxLiabilitiesRegulatoryAssets	34400000	USD
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CY2015	us-gaap	Defined Benefit Plan Effect Of One Percentage Point Decrease On Accumulated Postretirement Benefit Obligation1 DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnAccumulatedPostretirementBenefitObligation1	700000	USD
CY2016	us-gaap	Defined Benefit Plan Effect Of One Percentage Point Decrease On Accumulated Postretirement Benefit Obligation1 DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnAccumulatedPostretirementBenefitObligation1	700000	USD
CY2014	us-gaap	Defined Benefit Plan Effect Of One Percentage Point Decrease On Service And Interest Cost Components1 DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnServiceAndInterestCostComponents1	100000	USD
CY2015	us-gaap	Defined Benefit Plan Effect Of One Percentage Point Decrease On Service And Interest Cost Components1 DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnServiceAndInterestCostComponents1	100000	USD
CY2016	us-gaap	Defined Benefit Plan Effect Of One Percentage Point Decrease On Service And Interest Cost Components1 DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnServiceAndInterestCostComponents1	0	USD
CY2014	us-gaap	Defined Benefit Plan Effect Of One Percentage Point Increase On Accumulated Postretirement Benefit Obligation DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnAccumulatedPostretirementBenefitObligation	100000	USD
CY2015	us-gaap	Defined Benefit Plan Effect Of One Percentage Point Increase On Accumulated Postretirement Benefit Obligation DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnAccumulatedPostretirementBenefitObligation	200000	USD
CY2016	us-gaap	Defined Benefit Plan Effect Of One Percentage Point Increase On Accumulated Postretirement Benefit Obligation DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnAccumulatedPostretirementBenefitObligation	200000	USD
CY2014	us-gaap	Defined Benefit Plan Effect Of One Percentage Point Increase On Service And Interest Cost Components DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnServiceAndInterestCostComponents	0	USD
CY2015	us-gaap	Defined Benefit Plan Effect Of One Percentage Point Increase On Service And Interest Cost Components DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnServiceAndInterestCostComponents	0	USD
CY2016	us-gaap	Defined Benefit Plan Effect Of One Percentage Point Increase On Service And Interest Cost Components DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnServiceAndInterestCostComponents	0	USD
CY2016Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Five Fiscal Years Thereafter DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter	290100000	USD
CY2016Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Next Twelve Months DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths	48700000	USD
CY2016Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Five DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive	55700000	USD
CY2016Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Four DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour	54600000	USD
CY2016Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Three DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree	51900000	USD
CY2016Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Two DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo	48700000	USD
CY2014	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	19300000	USD
CY2015	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	40200000	USD
CY2016	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	22500000	USD
CY2014	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	15200000	USD
CY2015	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	11600000	USD
CY2016	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	11900000	USD
CY2016	us-gaap	Defined Contribution Plan Employer Matching Contribution Percent DefinedContributionPlanEmployerMatchingContributionPercent	0.05
CY2016	us-gaap	Defined Contribution Plan Employer Matching Contribution Percent Of Match DefinedContributionPlanEmployerMatchingContributionPercentOfMatch	2.00
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CY2014	us-gaap	Depreciation And Amortization DepreciationAndAmortization	281400000	USD
CY2015	us-gaap	Depreciation And Amortization DepreciationAndAmortization	307900000	USD
CY2016	us-gaap	Depreciation And Amortization DepreciationAndAmortization	322600000	USD
CY2016Q4	us-gaap	Distribution Made To Limited Partner Distributions Declared Per Unit DistributionMadeToLimitedPartnerDistributionsDeclaredPerUnit	0.31800
CY2014	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	189300000	USD
CY2015	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	209700000	USD
CY2016	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	230700000	USD
CY2015Q4	us-gaap	Dividends Payable Current DividendsPayableCurrent	54900000	USD
CY2016Q4	us-gaap	Dividends Payable Current DividendsPayableCurrent	60400000	USD
CY2014	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.99
CY2015Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.22
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CY2015Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.15
CY2015	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.36
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CY2016	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.69
CY2014	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.98
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CY2015	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.36
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CY2016	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.69
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CY2016	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Other EffectiveIncomeTaxRateReconciliationTaxCreditsOther	-0.068
CY2015Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	54400000	USD
CY2016Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	45100000	USD
CY2016Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	8200000	USD
CY2014	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	3300000	USD
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CY2016	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	1800000	USD
CY2015Q4	us-gaap	Equity Method Investment Difference Between Carrying Amount And Underlying Equity EquityMethodInvestmentDifferenceBetweenCarryingAmountAndUnderlyingEquity	783500000	USD
CY2016Q4	us-gaap	Equity Method Investment Difference Between Carrying Amount And Underlying Equity EquityMethodInvestmentDifferenceBetweenCarryingAmountAndUnderlyingEquity	743700000	USD
CY2014	us-gaap	Equity Method Investment Summarized Financial Information Cost Of Sales EquityMethodInvestmentSummarizedFinancialInformationCostOfSales	1914000000	USD
CY2015	us-gaap	Equity Method Investment Summarized Financial Information Cost Of Sales EquityMethodInvestmentSummarizedFinancialInformationCostOfSales	1097000000	USD
CY2016	us-gaap	Equity Method Investment Summarized Financial Information Cost Of Sales EquityMethodInvestmentSummarizedFinancialInformationCostOfSales	1017000000	USD
CY2015Q4	us-gaap	Equity Method Investment Summarized Financial Information Current Assets EquityMethodInvestmentSummarizedFinancialInformationCurrentAssets	381000000	USD
CY2016Q4	us-gaap	Equity Method Investment Summarized Financial Information Current Assets EquityMethodInvestmentSummarizedFinancialInformationCurrentAssets	396000000	USD
CY2015Q4	us-gaap	Equity Method Investment Summarized Financial Information Current Liabilities EquityMethodInvestmentSummarizedFinancialInformationCurrentLiabilities	615000000	USD
CY2016Q4	us-gaap	Equity Method Investment Summarized Financial Information Current Liabilities EquityMethodInvestmentSummarizedFinancialInformationCurrentLiabilities	362000000	USD
CY2014	us-gaap	Equity Method Investment Summarized Financial Information Net Income Loss EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss	530000000	USD
CY2015	us-gaap	Equity Method Investment Summarized Financial Information Net Income Loss EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss	-752000000	USD
CY2016	us-gaap	Equity Method Investment Summarized Financial Information Net Income Loss EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss	289500000	USD
CY2015Q4	us-gaap	Equity Method Investment Summarized Financial Information Noncurrent Assets EquityMethodInvestmentSummarizedFinancialInformationNoncurrentAssets	10845000000	USD
CY2016Q4	us-gaap	Equity Method Investment Summarized Financial Information Noncurrent Assets EquityMethodInvestmentSummarizedFinancialInformationNoncurrentAssets	10816000000	USD
CY2015Q4	us-gaap	Equity Method Investment Summarized Financial Information Noncurrent Liabilities EquityMethodInvestmentSummarizedFinancialInformationNoncurrentLiabilities	3080000000	USD
CY2016Q4	us-gaap	Equity Method Investment Summarized Financial Information Noncurrent Liabilities EquityMethodInvestmentSummarizedFinancialInformationNoncurrentLiabilities	3056000000	USD
CY2014	us-gaap	Equity Method Investment Summarized Financial Information Revenue EquityMethodInvestmentSummarizedFinancialInformationRevenue	3367000000	USD
CY2015	us-gaap	Equity Method Investment Summarized Financial Information Revenue EquityMethodInvestmentSummarizedFinancialInformationRevenue	2418000000	USD
CY2016	us-gaap	Equity Method Investment Summarized Financial Information Revenue EquityMethodInvestmentSummarizedFinancialInformationRevenue	2272000000	USD
CY2014Q4	us-gaap	Equity Method Investments EquityMethodInvestments	1318200000	USD
CY2015Q4	us-gaap	Equity Method Investments EquityMethodInvestments	1194400000	USD
CY2016Q4	us-gaap	Equity Method Investments EquityMethodInvestments	1158600000	USD
CY2015Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	46800000	USD
CY2016Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	44700000	USD
CY2014	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	568600000	USD
CY2015	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	368700000	USD
CY2016	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	486300000	USD
CY2014	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	172600000	USD
CY2015	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	15500000	USD
CY2016	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	101800000	USD
CY2014	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	172800000	USD
CY2015	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	97400000	USD
CY2016	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	148100000	USD
CY2014	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	200000	USD
CY2015	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	-3400000	USD
CY2016	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	-5900000	USD
CY2015Q4	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	17200000	USD
CY2016Q4	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	19400000	USD
CY2014	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-64000000	USD
CY2015	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	30900000	USD
CY2016	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-45100000	USD
CY2014	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	9400000	USD
CY2015	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-15700000	USD
CY2016	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-100000	USD
CY2014	us-gaap	Increase Decrease In Accounts Receivable Related Parties IncreaseDecreaseInAccountsReceivableRelatedParties	-6800000	USD
CY2015	us-gaap	Increase Decrease In Accounts Receivable Related Parties IncreaseDecreaseInAccountsReceivableRelatedParties	-3900000	USD
CY2016	us-gaap	Increase Decrease In Accounts Receivable Related Parties IncreaseDecreaseInAccountsReceivableRelatedParties	800000	USD
CY2014	us-gaap	Increase Decrease In Deferred Fuel Costs IncreaseDecreaseInDeferredFuelCosts	42100000	USD
CY2015	us-gaap	Increase Decrease In Deferred Fuel Costs IncreaseDecreaseInDeferredFuelCosts	-68300000	USD
CY2016	us-gaap	Increase Decrease In Deferred Fuel Costs IncreaseDecreaseInDeferredFuelCosts	51300000	USD
CY2014	us-gaap	Increase Decrease In Income Taxes Receivable IncreaseDecreaseInIncomeTaxesReceivable	10400000	USD
CY2015	us-gaap	Increase Decrease In Income Taxes Receivable IncreaseDecreaseInIncomeTaxesReceivable	1200000	USD
CY2016	us-gaap	Increase Decrease In Income Taxes Receivable IncreaseDecreaseInIncomeTaxesReceivable	2200000	USD
CY2014	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-20400000	USD
CY2015	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	56500000	USD
CY2016	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-32400000	USD
CY2014	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	2600000	USD
CY2015	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	17200000	USD
CY2016	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	26200000	USD
CY2014	us-gaap	Increase Decrease In Other Current Liabilities IncreaseDecreaseInOtherCurrentLiabilities	-11800000	USD
CY2015	us-gaap	Increase Decrease In Other Current Liabilities IncreaseDecreaseInOtherCurrentLiabilities	17800000	USD
CY2016	us-gaap	Increase Decrease In Other Current Liabilities IncreaseDecreaseInOtherCurrentLiabilities	36400000	USD
CY2014	us-gaap	Increase Decrease In Other Noncurrent Assets IncreaseDecreaseInOtherNoncurrentAssets	16500000	USD
CY2015	us-gaap	Increase Decrease In Other Noncurrent Assets IncreaseDecreaseInOtherNoncurrentAssets	-10400000	USD
CY2016	us-gaap	Increase Decrease In Other Noncurrent Assets IncreaseDecreaseInOtherNoncurrentAssets	-15400000	USD
CY2014	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	29600000	USD
CY2015	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	8600000	USD
CY2016	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	-18900000	USD
CY2014	us-gaap	Increase Decrease In Unbilled Receivables IncreaseDecreaseInUnbilledReceivables	-3200000	USD
CY2015	us-gaap	Increase Decrease In Unbilled Receivables IncreaseDecreaseInUnbilledReceivables	-2000000	USD
CY2016	us-gaap	Increase Decrease In Unbilled Receivables IncreaseDecreaseInUnbilledReceivables	6200000	USD
CY2014	us-gaap	Incremental Common Shares Attributable To Contingently Issuable Shares IncrementalCommonSharesAttributableToContingentlyIssuableShares	700000	shares
CY2015	us-gaap	Incremental Common Shares Attributable To Contingently Issuable Shares IncrementalCommonSharesAttributableToContingentlyIssuableShares	0	shares
CY2016	us-gaap	Incremental Common Shares Attributable To Contingently Issuable Shares IncrementalCommonSharesAttributableToContingentlyIssuableShares	200000	shares
CY2014	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	2400000	USD
CY2015	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	4200000	USD
CY2016	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	7500000	USD
CY2014	us-gaap	Interest Expense InterestExpense	148400000	USD
CY2015	us-gaap	Interest Expense InterestExpense	149000000	USD
CY2016	us-gaap	Interest Expense InterestExpense	142100000	USD
CY2014	us-gaap	Interest Expense Long Term Debt InterestExpenseLongTermDebt	144600000	USD
CY2015	us-gaap	Interest Expense Long Term Debt InterestExpenseLongTermDebt	147800000	USD
CY2016	us-gaap	Interest Expense Long Term Debt InterestExpenseLongTermDebt	143200000	USD
CY2014	us-gaap	Interest Expense Short Term Borrowings InterestExpenseShortTermBorrowings	6200000	USD
CY2015	us-gaap	Interest Expense Short Term Borrowings InterestExpenseShortTermBorrowings	5400000	USD
CY2016	us-gaap	Interest Expense Short Term Borrowings InterestExpenseShortTermBorrowings	6400000	USD
CY2014	us-gaap	Interest Paid Net InterestPaidNet	150800000	USD
CY2015	us-gaap	Interest Paid Net InterestPaidNet	145400000	USD
CY2016	us-gaap	Interest Paid Net InterestPaidNet	141900000	USD
CY2015Q4	us-gaap	Interest Payable Current InterestPayableCurrent	42900000	USD
CY2016Q4	us-gaap	Interest Payable Current InterestPayableCurrent	40400000	USD
CY2015Q4	us-gaap	Inventory Net InventoryNet	113800000	USD
CY2016Q4	us-gaap	Inventory Net InventoryNet	79800000	USD
CY2014	us-gaap	Investment Tax Credit InvestmentTaxCredit	-900000	USD
CY2015	us-gaap	Investment Tax Credit InvestmentTaxCredit	-700000	USD
CY2016	us-gaap	Investment Tax Credit InvestmentTaxCredit	-200000	USD
CY2015Q4	us-gaap	Liabilities Liabilities	6254600000	USD
CY2016Q4	us-gaap	Liabilities Liabilities	6495800000	USD
CY2015Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	9580600000	USD
CY2016Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	9939600000	USD
CY2015Q4	us-gaap	Liabilities Current LiabilitiesCurrent	752800000	USD
CY2016Q4	us-gaap	Liabilities Current LiabilitiesCurrent	1027200000	USD
CY2015Q4	us-gaap	Liabilities Other Than Longterm Debt Noncurrent LiabilitiesOtherThanLongtermDebtNoncurrent	2873000000	USD
CY2016Q4	us-gaap	Liabilities Other Than Longterm Debt Noncurrent LiabilitiesOtherThanLongtermDebtNoncurrent	3062800000	USD
CY2016Q4	us-gaap	Line Of Credit LineOfCredit	238000000	USD
CY2016Q4	us-gaap	Line Of Credit Facility Maximum Borrowing Capacity LineOfCreditFacilityMaximumBorrowingCapacity	1150000000	USD
CY2015Q4	us-gaap	Long Term Debt LongTermDebt	2738800000	USD
CY2016Q4	us-gaap	Long Term Debt LongTermDebt	2630500000	USD
CY2015Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	110000000	USD
CY2016Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	224700000	USD
CY2016Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	225200000	USD
CY2016Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	100000	USD
CY2016Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	100000	USD
CY2016Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	250100000	USD
CY2016Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	250100000	USD
CY2015Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	2628800000	USD
CY2016Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	2405800000	USD
CY2014	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-163800000	USD
CY2015	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-295600000	USD
CY2016	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-99100000	USD
CY2014	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-559100000	USD
CY2015	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-500100000	USD
CY2016	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-620400000	USD
CY2014	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	721600000	USD
CY2015	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	865400000	USD
CY2016	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	644600000	USD
CY2014	us-gaap	Net Income Loss NetIncomeLoss	395800000	USD
CY2015	us-gaap	Net Income Loss NetIncomeLoss	271300000	USD
CY2016	us-gaap	Net Income Loss NetIncomeLoss	338200000	USD
CY2016	us-gaap	New Accounting Pronouncement Or Change In Accounting Principle Effect Of Adoption Quantification NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfAdoptionQuantification	24800000	USD
CY2014	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	180200000	USD
CY2015	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	36500000	USD
CY2016	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	125100000	USD
CY2014	us-gaap	Operating Expenses OperatingExpenses	809700000	USD
CY2015	us-gaap	Operating Expenses OperatingExpenses	850700000	USD
CY2016	us-gaap	Operating Expenses OperatingExpenses	875800000	USD
CY2014	us-gaap	Operating Income Loss OperatingIncomeLoss	536800000	USD
CY2015Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	56400000	USD
CY2015Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	127200000	USD
CY2015Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	250800000	USD
CY2015Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	46800000	USD
CY2015	us-gaap	Operating Income Loss OperatingIncomeLoss	481200000	USD
CY2016Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	37900000	USD
CY2016Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	125900000	USD
CY2016Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	257300000	USD
CY2016Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	82200000	USD
CY2016	us-gaap	Operating Income Loss OperatingIncomeLoss	503300000	USD
CY2016Q4	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	83700000	USD
CY2016Q4	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	6000000	USD
CY2016Q4	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	2900000	USD
CY2016Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	2900000	USD
CY2016Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	23500000	USD
CY2016Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	4900000	USD
CY2016Q4	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	43500000	USD
CY2014	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	6700000	USD
CY2015	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	7700000	USD
CY2016	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	9300000	USD
CY2015Q4	us-gaap	Other Assets Current OtherAssetsCurrent	55600000	USD
CY2016Q4	us-gaap	Other Assets Current OtherAssetsCurrent	81800000	USD
CY2015Q4	us-gaap	Other Assets Miscellaneous Noncurrent OtherAssetsMiscellaneousNoncurrent	20700000	USD
CY2016Q4	us-gaap	Other Assets Miscellaneous Noncurrent OtherAssetsMiscellaneousNoncurrent	56900000	USD
CY2015Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	422900000	USD
CY2016Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	461700000	USD
CY2014	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	-11100000	USD
CY2015	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	-9500000	USD
CY2016	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	-700000	USD
CY2014	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	-7000000	USD
CY2015	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	-5800000	USD
CY2016	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	-600000	USD
CY2014	us-gaap	Other Comprehensive Income Finalization Of Pension And Non Pension Postretirement Plan Valuation Tax OtherComprehensiveIncomeFinalizationOfPensionAndNonPensionPostretirementPlanValuationTax	-100000	USD
CY2015	us-gaap	Other Comprehensive Income Finalization Of Pension And Non Pension Postretirement Plan Valuation Tax OtherComprehensiveIncomeFinalizationOfPensionAndNonPensionPostretirementPlanValuationTax	2900000	USD
CY2016	us-gaap	Other Comprehensive Income Finalization Of Pension And Non Pension Postretirement Plan Valuation Tax OtherComprehensiveIncomeFinalizationOfPensionAndNonPensionPostretirementPlanValuationTax	3200000	USD
CY2015	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	-200000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	-500000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Finalization Of Pension And Non Pension Postretirement Plan Valuation Net Of Tax OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationNetOfTax	-100000	USD
CY2015	us-gaap	Other Comprehensive Income Loss Finalization Of Pension And Non Pension Postretirement Plan Valuation Net Of Tax OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationNetOfTax	4600000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Finalization Of Pension And Non Pension Postretirement Plan Valuation Net Of Tax OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationNetOfTax	5000000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-13200000	USD
CY2015	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	6300000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	5800000	USD
CY2015	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	6300000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	5800000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax	-1800000	USD
CY2015	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax	-2500000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax	-2800000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax	1200000	USD
CY2015	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax	2200000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax	1700000	USD
CY2014	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	439600000	USD
CY2015	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	451600000	USD
CY2016	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	465600000	USD
CY2015Q4	us-gaap	Other Inventory Supplies OtherInventorySupplies	80100000	USD
CY2016Q4	us-gaap	Other Inventory Supplies OtherInventorySupplies	81700000	USD
CY2015Q4	us-gaap	Other Investments OtherInvestments	1265100000	USD
CY2016Q4	us-gaap	Other Investments OtherInvestments	1232200000	USD
CY2015Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	43900000	USD
CY2016Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	96000000	USD
CY2015Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	121300000	USD
CY2016Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	153800000	USD
CY2015Q4	us-gaap	Other Long Term Investments OtherLongTermInvestments	70700000	USD
CY2016Q4	us-gaap	Other Long Term Investments OtherLongTermInvestments	73600000	USD
CY2014	us-gaap	Other Nonoperating Expense OtherNonoperatingExpense	14400000	USD
CY2015	us-gaap	Other Nonoperating Expense OtherNonoperatingExpense	14300000	USD
CY2016	us-gaap	Other Nonoperating Expense OtherNonoperatingExpense	16900000	USD
CY2014	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	17800000	USD
CY2015	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	27000000	USD
CY2016	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	26000000	USD
CY2014	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	7600000	USD
CY2015	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	21000000	USD
CY2016	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	23300000	USD
CY2014	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	184100000	USD
CY2015	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	204600000	USD
CY2016	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	225100000	USD
CY2014	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	569300000	USD
CY2015	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	547800000	USD
CY2016	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	660100000	USD
CY2015Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	299900000	USD
CY2016Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	274800000	USD
CY2015	us-gaap	Pension Contributions PensionContributions	0	USD
CY2016	us-gaap	Pension Contributions PensionContributions	20000000	USD
CY2015Q4	us-gaap	Postemployment Benefits Liability Current And Noncurrent PostemploymentBenefitsLiabilityCurrentAndNoncurrent	1500000	USD
CY2016Q4	us-gaap	Postemployment Benefits Liability Current And Noncurrent PostemploymentBenefitsLiabilityCurrentAndNoncurrent	2400000	USD
CY2016Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2015	us-gaap	Prior Period Reclassification Adjustment PriorPeriodReclassificationAdjustment	1000000	USD
CY2014	us-gaap	Proceeds From Equity Method Investment Dividends Or Distributions Return Of Capital ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital	9500000	USD
CY2015	us-gaap	Proceeds From Equity Method Investment Dividends Or Distributions Return Of Capital ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital	45200000	USD
CY2016	us-gaap	Proceeds From Equity Method Investment Dividends Or Distributions Return Of Capital ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital	38800000	USD
CY2014	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	13200000	USD
CY2015	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	7200000	USD
CY2016	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	0	USD
CY2014	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	588900000	USD
CY2015	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	0	USD
CY2016	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	0	USD
CY2014	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	-341600000	USD
CY2015	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	-98000000	USD
CY2016	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	236200000	USD
CY2014	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	700000	USD
CY2015	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	2500000	USD
CY2016	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	900000	USD
CY2014	us-gaap	Profit Loss ProfitLoss	395800000	USD
CY2015Q1	us-gaap	Profit Loss ProfitLoss	43200000	USD
CY2015Q2	us-gaap	Profit Loss ProfitLoss	87500000	USD
CY2015Q3	us-gaap	Profit Loss ProfitLoss	111200000	USD
CY2015Q4	us-gaap	Profit Loss ProfitLoss	29400000	USD
CY2015	us-gaap	Profit Loss ProfitLoss	271300000	USD
CY2016Q1	us-gaap	Profit Loss ProfitLoss	25200000	USD
CY2016Q2	us-gaap	Profit Loss ProfitLoss	71500000	USD
CY2016Q3	us-gaap	Profit Loss ProfitLoss	183600000	USD
CY2016Q4	us-gaap	Profit Loss ProfitLoss	57900000	USD
CY2016	us-gaap	Profit Loss ProfitLoss	338200000	USD
CY2015Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	10596800000	USD
CY2016Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	11185100000	USD
CY2015Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	7322400000	USD
CY2016Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	7696200000	USD
CY2014	us-gaap	Public Utilities Allowance For Funds Used During Construction Additions PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions	2400000	USD
CY2015	us-gaap	Public Utilities Allowance For Funds Used During Construction Additions PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions	4200000	USD
CY2016	us-gaap	Public Utilities Allowance For Funds Used During Construction Additions PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions	7500000	USD
CY2014	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity	4200000	USD
CY2015	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity	8300000	USD
CY2016	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity	14200000	USD
CY2014	us-gaap	Public Utilities Allowance For Funds Used During Construction Rate PublicUtilitiesAllowanceForFundsUsedDuringConstructionRate	0.069
CY2015	us-gaap	Public Utilities Allowance For Funds Used During Construction Rate PublicUtilitiesAllowanceForFundsUsedDuringConstructionRate	0.081
CY2016	us-gaap	Public Utilities Allowance For Funds Used During Construction Rate PublicUtilitiesAllowanceForFundsUsedDuringConstructionRate	0.082
CY2015Q4	us-gaap	Public Utilities Property Plant And Equipment Plant In Service PublicUtilitiesPropertyPlantAndEquipmentPlantInService	10318300000	USD
CY2016Q4	us-gaap	Public Utilities Property Plant And Equipment Plant In Service PublicUtilitiesPropertyPlantAndEquipmentPlantInService	10690000000	USD
CY2015	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	1900000	USD
CY2016	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	1300000	USD
CY2015	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	6500000	USD
CY2016	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	6300000	USD
CY2015Q4	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	46500000	USD
CY2016Q4	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	121800000	USD
CY2015Q4	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	402200000	USD
CY2016Q4	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	404800000	USD
CY2015Q4	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	68800000	USD
CY2016Q4	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	12300000	USD
CY2015Q4	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	273600000	USD
CY2016Q4	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	299700000	USD
CY2014	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	240200000	USD
CY2015	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	200000	USD
CY2016	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	110200000	USD
CY2015Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	2259800000	USD
CY2016Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	2367300000	USD
CY2014	us-gaap	Revenues Revenues	2453100000	USD
CY2015Q1	us-gaap	Revenues Revenues	480100000	USD
CY2015Q2	us-gaap	Revenues Revenues	549900000	USD
CY2015Q3	us-gaap	Revenues Revenues	719800000	USD
CY2015Q4	us-gaap	Revenues Revenues	447100000	USD
CY2015	us-gaap	Revenues Revenues	2196900000	USD
CY2016Q1	us-gaap	Revenues Revenues	433100000	USD
CY2016Q2	us-gaap	Revenues Revenues	551400000	USD
CY2016Q3	us-gaap	Revenues Revenues	743900000	USD
CY2016Q4	us-gaap	Revenues Revenues	530800000	USD
CY2016	us-gaap	Revenues Revenues	2259200000	USD
CY2014	us-gaap	Share Based Compensation ShareBasedCompensation	-2700000	USD
CY2015	us-gaap	Share Based Compensation ShareBasedCompensation	5900000	USD
CY2016	us-gaap	Share Based Compensation ShareBasedCompensation	4600000	USD
CY2016Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Authorized ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized	7400000	shares
CY2015Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	0	USD
CY2016Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	236200000	USD
CY2016Q4	us-gaap	Short Term Debt Weighted Average Interest Rate ShortTermDebtWeightedAverageInterestRate	0.0095
CY2014	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	13200000	USD
CY2015	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	7200000	USD
CY2015Q4	us-gaap	Stockholders Equity StockholdersEquity	3326000000	USD
CY2016Q4	us-gaap	Stockholders Equity StockholdersEquity	3443800000	USD
CY2013Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	3037100000	USD
CY2014Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	3244400000	USD
CY2015Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	3326000000	USD
CY2016Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	3443800000	USD
CY2014	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	88700000	USD
CY2015	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	91200000	USD
CY2016	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	87600000	USD
CY2015Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	45900000	USD
CY2016Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	41300000	USD
CY2015Q4	us-gaap	Unamortized Debt Issuance Expense UnamortizedDebtIssuanceExpense	-16800000	USD
CY2016Q4	us-gaap	Unamortized Debt Issuance Expense UnamortizedDebtIssuanceExpense	-15500000	USD
CY2015Q4	us-gaap	Unbilled Receivables Current UnbilledReceivablesCurrent	53500000	USD
CY2016Q4	us-gaap	Unbilled Receivables Current UnbilledReceivablesCurrent	59700000	USD
CY2013Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	12000000	USD
CY2014Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	16100000	USD
CY2015Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	20200000	USD
CY2016Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	20700000	USD
CY2016Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	0	USD
CY2014	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	4100000	USD
CY2015	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	4100000	USD
CY2016	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	500000	USD
CY2016	us-gaap	Unrecognized Tax Benefits Period Increase Decrease UnrecognizedTaxBenefitsPeriodIncreaseDecrease	500000	USD
CY2016Q4	us-gaap	Unrecorded Unconditional Purchase Obligation Balance On Fifth Anniversary UnrecordedUnconditionalPurchaseObligationBalanceOnFifthAnniversary	179900000	USD
CY2016Q4	us-gaap	Unrecorded Unconditional Purchase Obligation Balance On First Anniversary UnrecordedUnconditionalPurchaseObligationBalanceOnFirstAnniversary	711800000	USD
CY2016Q4	us-gaap	Unrecorded Unconditional Purchase Obligation Balance On Fourth Anniversary UnrecordedUnconditionalPurchaseObligationBalanceOnFourthAnniversary	179700000	USD
CY2016Q4	us-gaap	Unrecorded Unconditional Purchase Obligation Balance On Second Anniversary UnrecordedUnconditionalPurchaseObligationBalanceOnSecondAnniversary	331900000	USD
CY2016Q4	us-gaap	Unrecorded Unconditional Purchase Obligation Balance On Third Anniversary UnrecordedUnconditionalPurchaseObligationBalanceOnThirdAnniversary	229300000	USD
CY2016Q4	us-gaap	Unrecorded Unconditional Purchase Obligation Balance Sheet Amount UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount	1632600000	USD
CY2014	us-gaap	Utilities Operating Expense Purchased Power Under Long Term Contracts UtilitiesOperatingExpensePurchasedPowerUnderLongTermContracts	60800000	USD
CY2015	us-gaap	Utilities Operating Expense Purchased Power Under Long Term Contracts UtilitiesOperatingExpensePurchasedPowerUnderLongTermContracts	56600000	USD
CY2016	us-gaap	Utilities Operating Expense Purchased Power Under Long Term Contracts UtilitiesOperatingExpensePurchasedPowerUnderLongTermContracts	61000000	USD
CY2013Q4	us-gaap	Valuation Allowances And Reserves Balance ValuationAllowancesAndReservesBalance	1900000	USD
CY2014Q4	us-gaap	Valuation Allowances And Reserves Balance ValuationAllowancesAndReservesBalance	1600000	USD
CY2015Q4	us-gaap	Valuation Allowances And Reserves Balance ValuationAllowancesAndReservesBalance	1400000	USD
CY2016Q4	us-gaap	Valuation Allowances And Reserves Balance ValuationAllowancesAndReservesBalance	1500000	USD
CY2014	us-gaap	Valuation Allowances And Reserves Charged To Cost And Expense ValuationAllowancesAndReservesChargedToCostAndExpense	2300000	USD
CY2015	us-gaap	Valuation Allowances And Reserves Charged To Cost And Expense ValuationAllowancesAndReservesChargedToCostAndExpense	2400000	USD
CY2016	us-gaap	Valuation Allowances And Reserves Charged To Cost And Expense ValuationAllowancesAndReservesChargedToCostAndExpense	2500000	USD
CY2014	us-gaap	Valuation Allowances And Reserves Deductions ValuationAllowancesAndReservesDeductions	2600000	USD
CY2015	us-gaap	Valuation Allowances And Reserves Deductions ValuationAllowancesAndReservesDeductions	2600000	USD
CY2016	us-gaap	Valuation Allowances And Reserves Deductions ValuationAllowancesAndReservesDeductions	2400000	USD
CY2014	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	199900000	shares
CY2015	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	199600000	shares
CY2016	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	199900000	shares
CY2014	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	199200000	shares
CY2015	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	199600000	shares
CY2016	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	199700000	shares
CY2016	us-gaap	Reclassifications Reclassifications	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">Reclassifications</font><font style="font-family:inherit;font-size:10pt;font-weight:bold;"> </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-indent:48px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Certain prior-year amounts have been reclassified to conform to the current year presentation. </font><font style="font-family:inherit;font-size:10pt;"> </font></div><div style="line-height:120%;text-indent:48px;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:48px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">The December 31, 2015 </font><font style="font-family:inherit;font-size:10pt;">Consolidated </font><font style="font-family:inherit;font-size:10pt;">Balance Sheet has been adjusted for the reclassification of </font><font style="font-family:inherit;font-size:10pt;">$16.8 million</font><font style="font-family:inherit;font-size:10pt;"> </font><font style="font-family:inherit;font-size:10pt;">of debt issuance costs from Total Deferred Charges and Other Assets to Long-Term Debt to be consistent with the 2016 presentation due to the adoption of ASU 2015-03, "Simplifying the Presentation of Debt Issuance Costs," in 2016.</font></div></div>
CY2016	us-gaap	Use Of Estimates UseOfEstimates	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;text-align:justify;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;color:#000000;font-weight:bold;text-decoration:none;">Use of Estimates</font><font style="font-family:inherit;font-size:10pt;font-weight:bold;"> </font></div><div style="line-height:120%;text-align:justify;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div><div style="line-height:120%;text-align:justify;text-indent:48px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">In preparing the</font><font style="font-family:inherit;font-size:10pt;"> </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">Consolidated</font><font style="font-family:inherit;font-size:10pt;"> </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">Financial Statements, management is required to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and contingent liabilities at the date of the</font><font style="font-family:inherit;font-size:10pt;"> </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">Consolidated</font><font style="font-family:inherit;font-size:10pt;"> </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">Financial Statements and the reported amounts of revenues and expenses during the reporting period.  Changes to these assumptions and estimates could have a material effect on</font><font style="font-family:inherit;font-size:10pt;"> </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">the Company's Consolidated</font><font style="font-family:inherit;font-size:10pt;"> </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">Financial Statements.  However,</font><font style="font-family:inherit;font-size:10pt;"> </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">the Company</font><font style="font-family:inherit;font-size:10pt;"> </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">believes it has taken reasonable positions where assumptions and estimates are used in order to minimize the negative financial impact to</font><font style="font-family:inherit;font-size:10pt;"> </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">the Company</font><font style="font-family:inherit;font-size:10pt;"> </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">that could result if actual results vary from the assumptions and estimates.  In management's opinion, the areas of</font><font style="font-family:inherit;font-size:10pt;"> </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">the Company</font><font style="font-family:inherit;font-size:10pt;"> </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">where the most significant judgment is exercised</font><font style="font-family:inherit;font-size:10pt;"> </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">includes the determination of Pension Plan assumptions,</font><font style="font-family:inherit;font-size:10pt;"> </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">income taxes,</font><font style="font-family:inherit;font-size:10pt;"> </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">contingency reserves, asset retirement obligations</font><font style="font-family:inherit;font-size:10pt;"> </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">and depreciable lives of property, plant and equipment</font><font style="font-family:inherit;font-size:10pt;">. </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">For the electric utility segment, significant judgment is also exercised in</font><font style="font-family:inherit;font-size:10pt;"> </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">the determination of regulatory assets and liabilities and unbilled revenues</font><font style="font-family:inherit;font-size:10pt;">. </font></div></div>

Files In Submission

Name	View Source	Status
0001021635-17-000013-index-headers.html	Edgar Link	pending
0001021635-17-000013-index.html	Edgar Link	pending
0001021635-17-000013.txt	Edgar Link	pending
0001021635-17-000013-xbrl.zip	Edgar Link	pending
a2016oge10-kxex1018.htm	Edgar Link	pending
a2016oge10-kxex1019.htm	Edgar Link	pending
a2016oge10-kxex1035.htm	Edgar Link	pending
a2016oge10-kxex1036.htm	Edgar Link	pending
a2016oge10-kxex1037.htm	Edgar Link	pending
a2016oge10-kxex1201.htm	Edgar Link	pending
a2016oge10-kxex2101.htm	Edgar Link	pending
a2016oge10-kxex2301.htm	Edgar Link	pending
a2016oge10-kxex2302.htm	Edgar Link	pending
a2016oge10-kxex2401.htm	Edgar Link	pending
a2016oge10-kxex3101.htm	Edgar Link	pending
a2016oge10-kxex3201.htm	Edgar Link	pending
a2016oge10-kxex9905.htm	Edgar Link	pending
a2016ogeenergy10-k.htm	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
oge-20161231.xml	Edgar Link	completed
oge-20161231.xsd	Edgar Link	pending
oge-20161231_cal.xml	Edgar Link	unprocessable
oge-20161231_def.xml	Edgar Link	unprocessable
oge-20161231_lab.xml	Edgar Link	unprocessable
oge-20161231_pre.xml	Edgar Link	unprocessable
ogelogo.jpg	Edgar Link	pending
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$OGE
OGE Energy Corp Stock $oge

2016 Form 10-K Financial Statement

#000102163517000013 Filed on February 23, 2017

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$OGE OGE Energy Corp Stock $oge

2016 Form 10-K Financial Statement

#000102163517000013 Filed on February 23, 2017

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$OGE
OGE Energy Corp Stock $oge