$WEC
WEC ENERGY GROUP, INC. Stock $wec

$wec Overview Financials Valuation SEC Filings Company Website

2016 Q4 Form 10-K Financial Statement

#000010781517000104 Filed on February 28, 2017

Income Statement

Concept	2016 Q4	2015 Q4	2015 Q3
Revenue	$1.963B	$1.848B	$1.699B
YoY Change	6.21%	50.87%	64.4%
Cost Of Revenue	$745.5M	$682.6M	$590.6M
YoY Change	9.21%	175.13%	44.97%
Gross Profit	$1.218B	$1.166B	$1.108B
YoY Change	4.44%	19.31%	77.04%
Gross Profit Margin	62.02%	63.07%	65.23%
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$181.1M	$192.6M	$176.5M
YoY Change	-5.97%	80.85%	76.85%
% of Gross Profit	14.87%	16.52%	15.93%
Operating Expenses	$855.8M	$785.5M	$762.4M
YoY Change	8.95%	7.09%	6.39%
Operating Profit	$361.7M	$380.2M	$345.7M
YoY Change	-4.87%	56.14%	40.47%
Interest Expense	-$63.80M	-$80.10M	$103.2M
YoY Change	-20.35%	71.89%	70.86%
% of Operating Profit	-17.64%	-21.07%	29.85%
Other Income/Expense, Net	$8.200M	$16.80M	-$52.10M
YoY Change	-51.19%	1192.31%	31.9%
Pretax Income	$306.1M	$318.8M	$293.6M
YoY Change	-3.98%	60.85%	42.11%
Income Tax	$111.4M	$137.7M	$110.5M
% Of Pretax Income	36.39%	43.19%	37.64%
Net Earnings	$194.4M	$179.3M	$182.5M
YoY Change	8.42%	47.69%	44.5%
Net Earnings / Revenue	9.9%	9.7%	10.74%
Basic Earnings Per Share	$0.62	$0.57	$0.58
Diluted Earnings Per Share	$0.61	$0.57	$0.58
COMMON SHARES
Basic Shares Outstanding			315.7M shares
Diluted Shares Outstanding			317.1M shares

Balance Sheet

Concept	2016 Q4	2015 Q4	2015 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments	$38.00M	$50.00M	$22.00M
YoY Change	-24.0%	-19.35%	-75.28%
Cash & Equivalents	$37.50M	$49.80M	$22.20M
Short-Term Investments
Other Short-Term Assets	$97.50M	$58.80M	$595.0M
YoY Change	65.82%	52.33%	92.56%
Inventory	$588.0M	$687.0M	$720.0M
Prepaid Expenses	$204.4M	$285.8M
Receivables	$1.242B	$1.029B	$845.0M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$2.169B	$2.207B	$2.182B
YoY Change	-1.73%	70.71%	71.2%
LONG-TERM ASSETS
Property, Plant & Equipment	$19.92B	$19.19B	$18.79B
YoY Change	3.78%	70.46%	68.71%
Goodwill	$3.046B	$3.024B	$3.389B
YoY Change	0.75%	584.2%	666.94%
Intangibles		$13.90M	$14.70M
YoY Change
Long-Term Investments	$1.444B	$1.381B	$999.4M
YoY Change	4.56%	225.61%	119.17%
Other Assets	$461.0M	$489.7M	$511.5M
YoY Change	-5.86%	165.28%	59.35%
Total Long-Term Assets	$27.95B	$27.15B	$26.59B
YoY Change	2.97%	99.44%	97.67%
TOTAL ASSETS
Total Short-Term Assets	$2.169B	$2.207B	$2.182B
Total Long-Term Assets	$27.95B	$27.15B	$26.59B
Total Assets	$30.12B	$29.36B	$28.77B
YoY Change	2.62%	96.95%	95.38%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$861.5M	$815.4M	$777.6M
YoY Change	5.65%	124.44%	146.86%
Accrued Expenses	$164.0M	$170.0M	$155.0M
YoY Change	-3.53%	78.95%	118.31%
Deferred Revenue
YoY Change
Short-Term Debt	$860.2M	$1.095B	$662.0M
YoY Change	-21.44%	77.18%	39.08%
Long-Term Debt Due	$157.0M	$157.7M	$606.0M
YoY Change	-0.44%	-62.82%	1170.44%
Total Short-Term Liabilities	$2.432B	$2.709B	$2.667B
YoY Change	-10.24%	62.34%	150.26%
LONG-TERM LIABILITIES
Long-Term Debt	$9.158B	$9.124B	$8.727B
YoY Change	0.37%	118.77%	90.98%
Other Long-Term Liabilities	$1.164B	$1.072B	$1.034B
YoY Change	8.65%	296.34%	278.62%
Total Long-Term Liabilities	$18.73B	$17.96B	$9.761B
YoY Change	4.29%	304.43%	101.57%
TOTAL LIABILITIES
Total Short-Term Liabilities	$2.432B	$2.709B	$2.667B
Total Long-Term Liabilities	$18.73B	$17.96B	$9.761B
Total Liabilities	$21.16B	$20.67B	$12.43B
YoY Change	2.39%	238.31%	110.35%
SHAREHOLDERS EQUITY
Retained Earnings	$4.614B	$4.300B	$4.265B
YoY Change	7.3%	4.44%
Common Stock	$4.313B	$4.350B	$3.200M
YoY Change	-0.86%	1338.62%	-99.93%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$8.960B	$8.685B	$8.711B
YoY Change
Total Liabilities & Shareholders Equity	$30.12B	$29.36B	$28.77B
YoY Change	2.62%	96.95%	95.38%

Cashflow Statement

Concept	2016 Q4	2015 Q4	2015 Q3
OPERATING ACTIVITIES
Net Income	$194.4M	$179.3M	$182.5M
YoY Change	8.42%	47.69%	44.5%
Depreciation, Depletion And Amortization	$181.1M	$192.6M	$176.5M
YoY Change	-5.97%	80.85%	76.85%
Cash From Operating Activities	$381.9M	$219.2M	$358.5M
YoY Change	74.22%	34.4%	14.43%
INVESTING ACTIVITIES
Capital Expenditures	$423.6M	$474.4M	$435.3M
YoY Change	-10.71%	112.64%	109.78%
Acquisitions
YoY Change
Other Investing Activities	-$89.00M	$52.80M	$18.60M
YoY Change	-268.56%	-1200.0%	-318.82%
Cash From Investing Activities	-$512.6M	-$421.6M	-$416.7M
YoY Change	21.58%	84.99%	92.92%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	59.40M	230.0M	-134.0M
YoY Change	-74.17%	505.26%	219.05%
NET CHANGE
Cash From Operating Activities	381.9M	219.2M	358.5M
Cash From Investing Activities	-512.6M	-421.6M	-416.7M
Cash From Financing Activities	59.40M	230.0M	-134.0M
Net Change In Cash	-71.30M	27.60M	-192.2M
YoY Change	-358.33%	-202.99%	-447.56%
FREE CASH FLOW
Cash From Operating Activities	$381.9M	$219.2M	$358.5M
Capital Expenditures	$423.6M	$474.4M	$435.3M
Free Cash Flow	-$41.70M	-$255.2M	-$76.80M
YoY Change	-83.66%	325.33%	-172.59%

Facts In Submission

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CY2015Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	4451500000	USD
CY2016Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	4979300000	USD
CY2014	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	14200000	USD
CY2015	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	48000000	USD
CY2016	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	44300000	USD
CY2014	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	417000000	USD
CY2015	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	583500000	USD
CY2016	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	762600000	USD
CY2014	us-gaap	Depreciation And Amortization DepreciationAndAmortization	391400000	USD
CY2015	us-gaap	Depreciation And Amortization DepreciationAndAmortization	561800000	USD
CY2016	us-gaap	Depreciation And Amortization DepreciationAndAmortization	762600000	USD
CY2014	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	391400000	USD
CY2015	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	561800000	USD
CY2016	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	762600000	USD
CY2016Q4	us-gaap	Derivative Amount Of Hedged Item DerivativeAmountOfHedgedItem	19000000	USD
CY2016Q4	us-gaap	Derivative Asset Collateral Obligation To Return Cash Offset DerivativeAssetCollateralObligationToReturnCashOffset	4400000	USD
CY2015Q4	us-gaap	Derivative Asset Fair Value Gross Asset Including Not Subject To Master Netting Arrangement DerivativeAssetFairValueGrossAssetIncludingNotSubjectToMasterNettingArrangement	9900000	USD
CY2016Q4	us-gaap	Derivative Asset Fair Value Gross Asset Including Not Subject To Master Netting Arrangement DerivativeAssetFairValueGrossAssetIncludingNotSubjectToMasterNettingArrangement	41600000	USD
CY2015Q4	us-gaap	Derivative Asset Fair Value Gross Liability And Obligation To Return Cash Offset DerivativeAssetFairValueGrossLiabilityAndObligationToReturnCashOffset	3000000	USD
CY2016Q4	us-gaap	Derivative Asset Fair Value Gross Liability And Obligation To Return Cash Offset DerivativeAssetFairValueGrossLiabilityAndObligationToReturnCashOffset	4900000	USD
CY2015Q4	us-gaap	Derivative Assets DerivativeAssets	6900000	USD
CY2016Q4	us-gaap	Derivative Assets DerivativeAssets	36700000	USD
CY2014	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	20500000	USD
CY2015	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	-45700000	USD
CY2016	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	-49500000	USD
CY2015Q4	us-gaap	Derivative Instruments And Hedges DerivativeInstrumentsAndHedges	8800000	USD
CY2016Q4	us-gaap	Derivative Instruments And Hedges DerivativeInstrumentsAndHedges	38200000	USD
CY2015Q4	us-gaap	Derivative Instruments And Hedges Liabilities Noncurrent DerivativeInstrumentsAndHedgesLiabilitiesNoncurrent	10000000	USD
CY2016Q4	us-gaap	Derivative Instruments And Hedges Liabilities Noncurrent DerivativeInstrumentsAndHedgesLiabilitiesNoncurrent	500000	USD
CY2016Q4	us-gaap	Derivative Instruments And Hedges Noncurrent DerivativeInstrumentsAndHedgesNoncurrent	3400000	USD
CY2015Q4	us-gaap	Derivative Instruments And Hedges Noncurrent DerivativeInstrumentsAndHedgesNoncurrent	1100000	USD
CY2016Q4	us-gaap	Derivative Net Liability Position Aggregate Fair Value DerivativeNetLiabilityPositionAggregateFairValue	200000	USD
CY2014	us-gaap	Disposal Group Not Discontinued Operation Gain Loss On Disposal DisposalGroupNotDiscontinuedOperationGainLossOnDisposal	7500000	USD
CY2015	us-gaap	Disposal Group Not Discontinued Operation Gain Loss On Disposal DisposalGroupNotDiscontinuedOperationGainLossOnDisposal	22900000	USD
CY2016	us-gaap	Disposal Group Not Discontinued Operation Gain Loss On Disposal DisposalGroupNotDiscontinuedOperationGainLossOnDisposal	19600000	USD
CY2014	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	352000000	USD
CY2015	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	455400000	USD
CY2016	us-gaap	Derivative Instruments Gain Loss Reclassified From Accumulated Oci Into Income Effective Portion Net DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet	2200000	USD
CY2015Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	36500000	USD
CY2016Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	1900000	USD
CY2015Q4	us-gaap	Derivative Liability Collateral Right To Reclaim Cash Offset DerivativeLiabilityCollateralRightToReclaimCashOffset	19500000	USD
CY2015Q4	us-gaap	Derivative Liability Fair Value Gross Asset And Right To Reclaim Cash Offset DerivativeLiabilityFairValueGrossAssetAndRightToReclaimCashOffset	22500000	USD
CY2016Q4	us-gaap	Derivative Liability Fair Value Gross Asset And Right To Reclaim Cash Offset DerivativeLiabilityFairValueGrossAssetAndRightToReclaimCashOffset	500000	USD
CY2015Q4	us-gaap	Derivative Liability Fair Value Gross Liability Including Not Subject To Master Netting Arrangement DerivativeLiabilityFairValueGrossLiabilityIncludingNotSubjectToMasterNettingArrangement	59000000	USD
CY2016Q4	us-gaap	Derivative Liability Fair Value Gross Liability Including Not Subject To Master Netting Arrangement DerivativeLiabilityFairValueGrossLiabilityIncludingNotSubjectToMasterNettingArrangement	2400000	USD
CY2015Q4	us-gaap	Derivative Net Liability Position Aggregate Fair Value DerivativeNetLiabilityPositionAggregateFairValue	23800000	USD
CY2016	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	624900000	USD
CY2014	us-gaap	Dividends Preferred Stock Cash DividendsPreferredStockCash	1200000	USD
CY2015	us-gaap	Dividends Preferred Stock Cash DividendsPreferredStockCash	1800000	USD
CY2016	us-gaap	Dividends Preferred Stock Cash DividendsPreferredStockCash	1200000	USD
CY2014	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.61
CY2015Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.87
CY2015Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.36
CY2015Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.58
CY2015Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.57
CY2015	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.36
CY2016Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.10
CY2016Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.57
CY2016Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.69
CY2016Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.62
CY2016	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.98
CY2014	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.59
CY2015Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.86
CY2015Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.35
CY2015Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.58
CY2015Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.57
CY2015	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.34
CY2016Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.09
CY2016Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.57
CY2016Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.68
CY2016Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.61
CY2016	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.96
CY2014	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.350
CY2015	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.350
CY2016	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.350
CY2014	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.001
CY2015	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.011
CY2016	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.002
CY2015	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Settlements FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationSettlements	11900000	USD
CY2016	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Settlements FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationSettlements	13300000	USD
CY2014	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Transfers Out Of Level3 FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationTransfersOutOfLevel3	0	USD
CY2015	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Transfers Out Of Level3 FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationTransfersOutOfLevel3	4700000	USD
CY2016	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Transfers Out Of Level3 FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationTransfersOutOfLevel3	0	USD
CY2013Q4	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis With Unobservable Inputs FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservableInputs	3500000	USD
CY2014Q4	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis With Unobservable Inputs FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservableInputs	7000000	USD
CY2015Q4	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis With Unobservable Inputs FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservableInputs	3600000	USD
CY2014	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Investment EffectiveIncomeTaxRateReconciliationTaxCreditsInvestment	0.002
CY2015	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Investment EffectiveIncomeTaxRateReconciliationTaxCreditsInvestment	0.002
CY2016	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Investment EffectiveIncomeTaxRateReconciliationTaxCreditsInvestment	0.003
CY2014	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Other EffectiveIncomeTaxRateReconciliationTaxCreditsOther	0.018
CY2015	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Other EffectiveIncomeTaxRateReconciliationTaxCreditsOther	0.016
CY2016	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Other EffectiveIncomeTaxRateReconciliationTaxCreditsOther	0.011
CY2015Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	169700000	USD
CY2016Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	163800000	USD
CY2014	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	8800000	USD
CY2015	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	9300000	USD
CY2016	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	7200000	USD
CY2015Q4	us-gaap	Energy Related Inventory EnergyRelatedInventory	687000000	USD
CY2016Q4	us-gaap	Energy Related Inventory EnergyRelatedInventory	587600000	USD
CY2015Q4	us-gaap	Energy Related Inventory Natural Gas In Storage EnergyRelatedInventoryNaturalGasInStorage	284100000	USD
CY2016Q4	us-gaap	Energy Related Inventory Natural Gas In Storage EnergyRelatedInventoryNaturalGasInStorage	223100000	USD
CY2015Q4	us-gaap	Energy Related Inventory Other Fossil Fuel EnergyRelatedInventoryOtherFossilFuel	183700000	USD
CY2016Q4	us-gaap	Energy Related Inventory Other Fossil Fuel EnergyRelatedInventoryOtherFossilFuel	158000000	USD
CY2014	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Change In Unrealized Gain Loss FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisChangeInUnrealizedGainLoss	0	USD
CY2015	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Change In Unrealized Gain Loss FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisChangeInUnrealizedGainLoss	0	USD
CY2016	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Change In Unrealized Gain Loss FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisChangeInUnrealizedGainLoss	0	USD
CY2014	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Gain Loss Included In Earnings FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInEarnings	0	USD
CY2015	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Gain Loss Included In Earnings FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInEarnings	1300000	USD
CY2016	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Gain Loss Included In Earnings FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInEarnings	-200000	USD
CY2014	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Purchases FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationPurchases	15600000	USD
CY2015	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Purchases FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationPurchases	3900000	USD
CY2016	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Purchases FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationPurchases	15200000	USD
CY2014	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Sales FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationSales	0	USD
CY2015	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Sales FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationSales	-100000	USD
CY2016	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Sales FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationSales	-200000	USD
CY2014	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Settlements FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationSettlements	12100000	USD
CY2016Q4	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis With Unobservable Inputs FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservableInputs	5100000	USD
CY2014	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	USD
CY2015	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	USD
CY2016	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	23600000	USD
CY2014Q4	us-gaap	Goodwill Goodwill	441900000	USD
CY2015Q4	us-gaap	Goodwill Goodwill	3023500000	USD
CY2016Q4	us-gaap	Goodwill Goodwill	3046200000	USD
CY2015	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	2581600000	USD
CY2016	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	0	USD
CY2016Q4	us-gaap	Goodwill Impaired Accumulated Impairment Loss GoodwillImpairedAccumulatedImpairmentLoss	0	USD
CY2016	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2015	us-gaap	Goodwill Purchase Accounting Adjustments GoodwillPurchaseAccountingAdjustments	0	USD
CY2016	us-gaap	Goodwill Purchase Accounting Adjustments GoodwillPurchaseAccountingAdjustments	22700000	USD
CY2016Q4	us-gaap	Guarantee Obligations Maximum Exposure GuaranteeObligationsMaximumExposure	47900000	USD
CY2014	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	589500000	USD
CY2015	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	640300000	USD
CY2016	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	940200000	USD
CY2014	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	951200000	USD
CY2015	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	1074100000	USD
CY2016	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	1506700000	USD
CY2014	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	66000000	USD
CY2015	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	96100000	USD
CY2016	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	146500000	USD
CY2014	us-gaap	Income Loss From Equity Method Investments Net Of Dividends Or Distributions IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions	8500000	USD
CY2015	us-gaap	Income Loss From Equity Method Investments Net Of Dividends Or Distributions IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions	11000000	USD
CY2016	us-gaap	Income Loss From Equity Method Investments Net Of Dividends Or Distributions IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions	46600000	USD
CY2014	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	361700000	USD
CY2015	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	433800000	USD
CY2016	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	566500000	USD
CY2014	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	332500000	USD
CY2015	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	375500000	USD
CY2016	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	526400000	USD
CY2014	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-900000	USD
CY2015	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	11400000	USD
CY2016	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-3300000	USD
CY2014	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	50500000	USD
CY2015	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	73100000	USD
CY2016	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	72800000	USD
CY2014	us-gaap	Income Tax Reconciliation Tax Credits Investment IncomeTaxReconciliationTaxCreditsInvestment	1100000	USD
CY2015	us-gaap	Income Tax Reconciliation Tax Credits Investment IncomeTaxReconciliationTaxCreditsInvestment	1700000	USD
CY2016	us-gaap	Income Tax Reconciliation Tax Credits Investment IncomeTaxReconciliationTaxCreditsInvestment	4900000	USD
CY2014	us-gaap	Income Tax Reconciliation Tax Credits Other IncomeTaxReconciliationTaxCreditsOther	17400000	USD
CY2015	us-gaap	Income Tax Reconciliation Tax Credits Other IncomeTaxReconciliationTaxCreditsOther	17400000	USD
CY2016	us-gaap	Income Tax Reconciliation Tax Credits Other IncomeTaxReconciliationTaxCreditsOther	15700000	USD
CY2014	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	-22000000	USD
CY2015	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	-9300000	USD
CY2014	us-gaap	Increase Decrease In Accounts And Other Receivables IncreaseDecreaseInAccountsAndOtherReceivables	-80700000	USD
CY2015	us-gaap	Increase Decrease In Accounts And Other Receivables IncreaseDecreaseInAccountsAndOtherReceivables	-84000000	USD
CY2016	us-gaap	Increase Decrease In Accounts And Other Receivables IncreaseDecreaseInAccountsAndOtherReceivables	180700000	USD
CY2014	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	23700000	USD
CY2015	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-9300000	USD
CY2016	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	34400000	USD
CY2014	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	71200000	USD
CY2015	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	69400000	USD
CY2016	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-100000000	USD
CY2014	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	13900000	USD
CY2015	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	27200000	USD
CY2016	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	-103100000	USD
CY2014	us-gaap	Increase Decrease In Other Current Liabilities IncreaseDecreaseInOtherCurrentLiabilities	-45300000	USD
CY2015	us-gaap	Increase Decrease In Other Current Liabilities IncreaseDecreaseInOtherCurrentLiabilities	14100000	USD
CY2016	us-gaap	Increase Decrease In Other Current Liabilities IncreaseDecreaseInOtherCurrentLiabilities	-20800000	USD
CY2014	us-gaap	Interest Expense InterestExpense	240300000	USD
CY2015	us-gaap	Interest Expense InterestExpense	331400000	USD
CY2016	us-gaap	Interest Expense InterestExpense	402700000	USD
CY2014	us-gaap	Interest Paid Net InterestPaidNet	241400000	USD
CY2015	us-gaap	Interest Paid Net InterestPaidNet	329600000	USD
CY2016	us-gaap	Interest Paid Net InterestPaidNet	411900000	USD
CY2015Q4	us-gaap	Inventory Raw Materials And Supplies Net Of Reserves InventoryRawMaterialsAndSuppliesNetOfReserves	219200000	USD
CY2016Q4	us-gaap	Inventory Raw Materials And Supplies Net Of Reserves InventoryRawMaterialsAndSuppliesNetOfReserves	206500000	USD
CY2015Q4	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	1380900000	USD
CY2016Q4	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	1443900000	USD
CY2016Q4	us-gaap	Letters Of Credit Outstanding Amount LettersOfCreditOutstandingAmount	19100000	USD
CY2015Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	29355200000	USD
CY2016Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	30123200000	USD
CY2015Q4	us-gaap	Liabilities Current LiabilitiesCurrent	2709000000	USD
CY2016Q4	us-gaap	Liabilities Current LiabilitiesCurrent	2431600000	USD
CY2015Q4	us-gaap	Liabilities Noncurrent LiabilitiesNoncurrent	17961000000	USD
CY2016Q4	us-gaap	Liabilities Noncurrent LiabilitiesNoncurrent	18731400000	USD
CY2016Q4	us-gaap	Line Of Credit Facility Maximum Borrowing Capacity LineOfCreditFacilityMaximumBorrowingCapacity	2500000000	USD
CY2016Q4	us-gaap	Line Of Credit Facility Remaining Borrowing Capacity LineOfCreditFacilityRemainingBorrowingCapacity	1620700000	USD
CY2015Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	9124100000	USD
CY2016Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	9158200000	USD
CY2015Q4	us-gaap	Long Term Debt And Capital Lease Obligations Current LongTermDebtAndCapitalLeaseObligationsCurrent	157700000	USD
CY2016Q4	us-gaap	Long Term Debt And Capital Lease Obligations Current LongTermDebtAndCapitalLeaseObligationsCurrent	157200000	USD
CY2015Q4	us-gaap	Long Term Debt And Capital Lease Obligations Including Current Maturities LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities	9314600000	USD
CY2016Q4	us-gaap	Long Term Debt And Capital Lease Obligations Including Current Maturities LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities	9352000000	USD
CY2016Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal After Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive	6953500000	USD
CY2016Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	154500000	USD
CY2016Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	336200000	USD
CY2016Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	684400000	USD
CY2016Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	357700000	USD
CY2016Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	836100000	USD
CY2015Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	9124100000	USD
CY2016Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	9158200000	USD
CY2016Q4	us-gaap	Longterm Pollution Control Bond Current And Noncurrent LongtermPollutionControlBondCurrentAndNoncurrent	80000000	USD
CY2016Q3	us-gaap	Longterm Pollution Control Bond Current And Noncurrent LongtermPollutionControlBondCurrentAndNoncurrent	67000000	USD
CY2014	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	-406200000	USD
CY2015	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	1211800000	USD
CY2016	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	-845700000	USD
CY2014	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-756800000	USD
CY2015	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-2517500000	USD
CY2016	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-1270100000	USD
CY2014	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	1198900000	USD
CY2015	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	1293600000	USD
CY2016	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	2103500000	USD
CY2014	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	588300000	USD
CY2015Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	195800000	USD
CY2015Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	80900000	USD
CY2015Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	182500000	USD
CY2015Q4	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	179300000	USD
CY2015	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	638500000	USD
CY2016Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	346200000	USD
CY2016Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	181400000	USD
CY2016Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	217000000	USD
CY2016Q4	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	194400000	USD
CY2016	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	939000000	USD
CY2014	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-160900000	USD
CY2015	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-176400000	USD
CY2016	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-175400000	USD
CY2016	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	6	segment
CY2016Q4	us-gaap	Obligation To Return Securities Received As Collateral ObligationToReturnSecuritiesReceivedAsCollateral	4400000	USD
CY2014	us-gaap	Operating Income Loss OperatingIncomeLoss	1112100000	USD
CY2015Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	358800000	USD
CY2015Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	165800000	USD
CY2015Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	345700000	USD
CY2015Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	380200000	USD
CY2015	us-gaap	Operating Income Loss OperatingIncomeLoss	1250500000	USD
CY2016Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	589300000	USD
CY2016Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	332100000	USD
CY2016Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	399000000	USD
CY2016Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	361700000	USD
CY2016	us-gaap	Operating Income Loss OperatingIncomeLoss	1682100000	USD
CY2016Q4	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	95500000	USD
CY2016Q4	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	9900000	USD
CY2016Q4	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	5500000	USD
CY2016Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	5300000	USD
CY2016Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	5900000	USD
CY2016Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	8800000	USD
CY2016Q4	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	60100000	USD
CY2014	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	4800000	USD
CY2015	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	12700000	USD
CY2016	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	15100000	USD
CY2015Q4	us-gaap	Other Assets Current OtherAssetsCurrent	58800000	USD
CY2016Q4	us-gaap	Other Assets Current OtherAssetsCurrent	97500000	USD
CY2015Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	489700000	USD
CY2016Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	461000000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Net Of Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax	0	USD
CY2015	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Net Of Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax	0	USD
CY2016	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Net Of Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax	400000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	0	USD
CY2015	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	10600000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	-1300000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	0	USD
CY2015	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	4300000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-1700000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Reclassification Adjustments Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsNetOfTax	0	USD
CY2015	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Reclassification Adjustments Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsNetOfTax	6300000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Reclassification Adjustments Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsNetOfTax	800000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	0	USD
CY2015	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	6300000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	400000	USD
CY2015	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Before Reclassification Adjustments Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansBeforeReclassificationAdjustmentsTax	4200000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Before Reclassification Adjustments Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansBeforeReclassificationAdjustmentsTax	-100000	USD
CY2014	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 Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax	800000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax	1300000	USD
CY2015Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	471200000	USD
CY2016Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	388900000	USD
CY2015Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	1071700000	USD
CY2016Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	1164400000	USD
CY2014	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	300000	USD
CY2015	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	15900000	USD
CY2016	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	12500000	USD
CY2014	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	13400000	USD
CY2015	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	58900000	USD
CY2016	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	80800000	USD
CY2014	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	-87300000	USD
CY2015	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	-209100000	USD
CY2016	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	-53800000	USD
CY2014	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-3600000	USD
CY2015	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-57000000	USD
CY2016	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-3000000	USD
CY2014	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	123200000	USD
CY2015	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	74700000	USD
CY2016	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	108000000	USD
CY2014	us-gaap	Payments For Repurchase Of Preferred Stock And Preference Stock PaymentsForRepurchaseOfPreferredStockAndPreferenceStock	0	USD
CY2015	us-gaap	Payments For Repurchase Of Preferred Stock And Preference Stock PaymentsForRepurchaseOfPreferredStockAndPreferenceStock	52700000	USD
CY2016	us-gaap	Payments For Repurchase Of Preferred Stock And Preference Stock PaymentsForRepurchaseOfPreferredStockAndPreferenceStock	0	USD
CY2014	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	352000000	USD
CY2015	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	455400000	USD
CY2016	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	624900000	USD
CY2014	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	USD
CY2015	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	1329900000	USD
CY2016	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	USD
CY2014	us-gaap	Payments To Acquire Interest In Subsidiaries And Affiliates PaymentsToAcquireInterestInSubsidiariesAndAffiliates	13100000	USD
CY2015	us-gaap	Payments To Acquire Interest In Subsidiaries And Affiliates PaymentsToAcquireInterestInSubsidiariesAndAffiliates	8700000	USD
CY2016	us-gaap	Payments To Acquire Interest In Subsidiaries And Affiliates PaymentsToAcquireInterestInSubsidiariesAndAffiliates	42300000	USD
CY2014	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	761200000	USD
CY2015	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	1266200000	USD
CY2016	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	1423700000	USD
CY2014	us-gaap	Pension And Other Postretirement Benefit Contributions PensionAndOtherPostretirementBenefitContributions	13900000	USD
CY2015	us-gaap	Pension And Other Postretirement Benefit Contributions PensionAndOtherPostretirementBenefitContributions	121000000	USD
CY2016	us-gaap	Pension And Other Postretirement Benefit Contributions PensionAndOtherPostretirementBenefitContributions	28700000	USD
CY2015Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	543100000	USD
CY2016Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	498600000	USD
CY2015Q4	us-gaap	Percentage Of Lifo Inventory PercentageOfLIFOInventory	0.18
CY2016Q4	us-gaap	Percentage Of Lifo Inventory PercentageOfLIFOInventory	0.18
CY2015Q4	us-gaap	Preferred Stock Value PreferredStockValue	30400000	USD
CY2016Q4	us-gaap	Preferred Stock Value PreferredStockValue	30400000	USD
CY2015Q4	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	285800000	USD
CY2016Q4	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	204400000	USD
CY2016	us-gaap	Proceeds From Income Tax Refunds ProceedsFromIncomeTaxRefunds	39700000	USD
CY2014	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	250000000	USD
CY2015	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	2150000000	USD
CY2016	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	400000000	USD
CY2014	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	12800000	USD
CY2015	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-18900000	USD
CY2016	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-13600000	USD
CY2014	us-gaap	Proceeds From Repayments Of Short Term Debt Maturing In Three Months Or Less ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess	80200000	USD
CY2015	us-gaap	Proceeds From Repayments Of Short Term Debt Maturing In Three Months Or Less ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess	163000000	USD
CY2016	us-gaap	Proceeds From Repayments Of Short Term Debt Maturing In Three Months Or Less ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess	-234800000	USD
CY2014	us-gaap	Proceeds From Sales Of Business Affiliate And Productive Assets ProceedsFromSalesOfBusinessAffiliateAndProductiveAssets	13900000	USD
CY2015	us-gaap	Proceeds From Sales Of Business Affiliate And Productive Assets ProceedsFromSalesOfBusinessAffiliateAndProductiveAssets	28900000	USD
CY2016	us-gaap	Proceeds From Sales Of Business Affiliate And Productive Assets ProceedsFromSalesOfBusinessAffiliateAndProductiveAssets	166300000	USD
CY2014	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	50300000	USD
CY2015	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	30100000	USD
CY2016	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	41600000	USD
CY2015Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	19189700000	USD
CY2016Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	19915500000	USD
CY2014	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity	5600000	USD
CY2016	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity	25100000	USD
CY2014	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Interest PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest	2300000	USD
CY2015	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Interest PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest	8600000	USD
CY2015	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity	20100000	USD
CY2016	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Interest PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest	10900000	USD
CY2016Q4	us-gaap	Purchase Obligation PurchaseObligation	11977500000	USD
CY2016Q4	us-gaap	Purchase Obligation Due After Fifth Year PurchaseObligationDueAfterFifthYear	7778900000	USD
CY2016Q4	us-gaap	Purchase Obligation Due In Fifth Year PurchaseObligationDueInFifthYear	643600000	USD
CY2016Q4	us-gaap	Purchase Obligation Due In Fourth Year PurchaseObligationDueInFourthYear	701100000	USD
CY2016Q4	us-gaap	Purchase Obligation Due In Next Twelve Months PurchaseObligationDueInNextTwelveMonths	1137700000	USD
CY2016Q4	us-gaap	Purchase Obligation Due In Second Year PurchaseObligationDueInSecondYear	921800000	USD
CY2016Q4	us-gaap	Purchase Obligation Due In Third Year PurchaseObligationDueInThirdYear	794400000	USD
CY2015Q4	us-gaap	Regulatory Assets RegulatoryAssets	3101700000	USD
CY2016Q4	us-gaap	Regulatory Assets RegulatoryAssets	3138300000	USD
CY2015Q4	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	37100000	USD
CY2016Q4	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	50400000	USD
CY2015Q4	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	3064600000	USD
CY2016Q4	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	3087900000	USD
CY2015Q4	us-gaap	Regulatory Liabilities RegulatoryLiabilities	1426000000	USD
CY2016Q4	us-gaap	Regulatory Liabilities RegulatoryLiabilities	1597200000	USD
CY2015Q4	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	33800000	USD
CY2016Q4	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	33400000	USD
CY2015Q4	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	1392200000	USD
CY2016Q4	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	1563800000	USD
CY2016Q4	us-gaap	Remaining Amounts Of Regulatory Assets For Which No Return On Investment During Recovery Period Is Provided RemainingAmountsOfRegulatoryAssetsForWhichNoReturnOnInvestmentDuringRecoveryPeriodIsProvided	32700000	USD
CY2015	us-gaap	Repayments Of Long Term Capital Lease Obligations RepaymentsOfLongTermCapitalLeaseObligations	36200000	USD
CY2016	us-gaap	Repayments Of Long Term Capital Lease Obligations RepaymentsOfLongTermCapitalLeaseObligations	37600000	USD
CY2014	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	324300000	USD
CY2015	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	529600000	USD
CY2016	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	306000000	USD
CY2015Q4	us-gaap	Restricted Cash And Cash Equivalents Noncurrent RestrictedCashAndCashEquivalentsNoncurrent	118400000	USD
CY2016Q4	us-gaap	Restricted Cash And Cash Equivalents Noncurrent RestrictedCashAndCashEquivalentsNoncurrent	33600000	USD
CY2015Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	4299800000	USD
CY2016Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	4613900000	USD
CY2014	us-gaap	Revenues Revenues	4997100000	USD
CY2015Q1	us-gaap	Revenues Revenues	1387900000	USD
CY2015Q2	us-gaap	Revenues Revenues	991200000	USD
CY2015Q3	us-gaap	Revenues Revenues	1698700000	USD
CY2015Q4	us-gaap	Revenues Revenues	1848300000	USD
CY2015	us-gaap	Revenues Revenues	5926100000	USD
CY2016Q1	us-gaap	Revenues Revenues	2194800000	USD
CY2016Q2	us-gaap	Revenues Revenues	1602000000	USD
CY2016Q3	us-gaap	Revenues Revenues	1712500000	USD
CY2016Q4	us-gaap	Revenues Revenues	1963000000	USD
CY2016	us-gaap	Revenues Revenues	7472300000	USD
CY2016Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Authorized ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized	34300000	shares
CY2015Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	1095000000	USD
CY2016	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	108000000	USD
CY2013Q4	us-gaap	Stockholders Equity StockholdersEquity	4263400000	USD
CY2016Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	860200000	USD
CY2014	us-gaap	Stock Issued During Period Shares New Issues StockIssuedDuringPeriodSharesNewIssues	0	shares
CY2015	us-gaap	Stock Issued During Period Shares New Issues StockIssuedDuringPeriodSharesNewIssues	0	shares
CY2014	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	50300000	USD
CY2015	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	30100000	USD
CY2016	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	41600000	USD
CY2016	us-gaap	Stock Issued During Period Shares New Issues StockIssuedDuringPeriodSharesNewIssues	0	shares
CY2015	us-gaap	Stock Issued During Period Value Acquisitions StockIssuedDuringPeriodValueAcquisitions	4072900000	USD
CY2015	us-gaap	Stock Redeemed Or Called During Period Value StockRedeemedOrCalledDuringPeriodValue	52700000	USD
CY2014	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	2700000	shares
CY2015	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	1500000	shares
CY2016	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	1800000	shares
CY2014	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	123200000	USD
CY2015	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	74700000	USD
CY2014Q4	us-gaap	Stockholders Equity StockholdersEquity	4450100000	USD
CY2015Q4	us-gaap	Stockholders Equity StockholdersEquity	8685200000	USD
CY2016Q4	us-gaap	Stockholders Equity StockholdersEquity	8960200000	USD
CY2014	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	121800000	USD
CY2015	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	164400000	USD
CY2016	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	194700000	USD
CY2015Q4	us-gaap	Unamortized Debt Issuance Expense UnamortizedDebtIssuanceExpense	37800000	USD
CY2016Q4	us-gaap	Unamortized Debt Issuance Expense UnamortizedDebtIssuanceExpense	38100000	USD
CY2014Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	7200000	USD
CY2015Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	9500000	USD
CY2016Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	14500000	USD
CY2015	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	1100000	USD
CY2016	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	1000000	USD
CY2015	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	700000	USD
CY2016	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	0	USD
CY2015Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAccrued	100000	USD
CY2016Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAccrued	0	USD
CY2014	us-gaap	Unrecognized Tax Benefits Income Tax Penalties Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesExpense	0	USD
CY2015	us-gaap	Unrecognized Tax Benefits Income Tax Penalties Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesExpense	0	USD
CY2016	us-gaap	Unrecognized Tax Benefits Income Tax Penalties Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesExpense	0	USD
CY2015	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	200000	USD
CY2016	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	1100000	USD
CY2015	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	300000	USD
CY2016	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	6700000	USD
CY2015Q4	us-gaap	Unrecognized Tax Benefits Interest On Income Taxes Accrued UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued	700000	USD
CY2016Q4	us-gaap	Unrecognized Tax Benefits Interest On Income Taxes Accrued UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued	800000	USD
CY2014	us-gaap	Unrecognized Tax Benefits Interest On Income Taxes Expense UnrecognizedTaxBenefitsInterestOnIncomeTaxesExpense	300000	USD
CY2015	us-gaap	Unrecognized Tax Benefits Interest On Income Taxes Expense UnrecognizedTaxBenefitsInterestOnIncomeTaxesExpense	0	USD
CY2016	us-gaap	Unrecognized Tax Benefits Interest On Income Taxes Expense UnrecognizedTaxBenefitsInterestOnIncomeTaxesExpense	200000	USD
CY2015	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	0	USD
CY2016	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	1800000	USD
CY2015Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	2200000	USD
CY2016Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	7900000	USD
CY2014	us-gaap	Utilities Operating Expense Maintenance And Operations UtilitiesOperatingExpenseMaintenanceAndOperations	1112400000	USD
CY2015	us-gaap	Utilities Operating Expense Maintenance And Operations UtilitiesOperatingExpenseMaintenanceAndOperations	1709300000	USD
CY2016	us-gaap	Utilities Operating Expense Maintenance And Operations UtilitiesOperatingExpenseMaintenanceAndOperations	2185500000	USD
CY2013Q4	us-gaap	Valuation Allowances And Reserves Balance ValuationAllowancesAndReservesBalance	61000000	USD
CY2014Q4	us-gaap	Valuation Allowances And Reserves Balance ValuationAllowancesAndReservesBalance	74500000	USD
CY2015Q4	us-gaap	Valuation Allowances And Reserves Balance ValuationAllowancesAndReservesBalance	113300000	USD
CY2016Q4	us-gaap	Valuation Allowances And Reserves Balance ValuationAllowancesAndReservesBalance	108000000	USD
CY2014	us-gaap	Valuation Allowances And Reserves Charged To Cost And Expense ValuationAllowancesAndReservesChargedToCostAndExpense	49800000	USD
CY2015	us-gaap	Valuation Allowances And Reserves Charged To Cost And Expense ValuationAllowancesAndReservesChargedToCostAndExpense	56700000	USD
CY2016	us-gaap	Valuation Allowances And Reserves Charged To Cost And Expense ValuationAllowancesAndReservesChargedToCostAndExpense	87400000	USD
CY2015Q4	wec	Deferred Tax Assets Uncertainty In Income Taxes DeferredTaxAssetsUncertaintyInIncomeTaxes	6200000	USD
CY2016Q4	wec	Deferred Tax Assets Uncertainty In Income Taxes DeferredTaxAssetsUncertaintyInIncomeTaxes	6600000	USD
CY2014	us-gaap	Valuation Allowances And Reserves Charged To Other Accounts ValuationAllowancesAndReservesChargedToOtherAccounts	18400000	USD
CY2015	us-gaap	Valuation Allowances And Reserves Charged To Other Accounts ValuationAllowancesAndReservesChargedToOtherAccounts	8200000	USD
CY2016	us-gaap	Valuation Allowances And Reserves Charged To Other Accounts ValuationAllowancesAndReservesChargedToOtherAccounts	-5900000	USD
CY2014	us-gaap	Valuation Allowances And Reserves Deductions ValuationAllowancesAndReservesDeductions	54700000	USD
CY2014	wec	Asset Retirement Obligation Addition Revision Of Estimate AssetRetirementObligationAdditionRevisionOfEstimate	0	USD
CY2015	wec	Asset Retirement Obligation Addition Revision Of Estimate AssetRetirementObligationAdditionRevisionOfEstimate	35500000	USD
CY2016	wec	Asset Retirement Obligation Addition Revision Of Estimate AssetRetirementObligationAdditionRevisionOfEstimate	0	USD
CY2014	wec	Asset Retirement Obligations Assumed Business Combination AssetRetirementObligationsAssumedBusinessCombination	0	USD
CY2015	wec	Asset Retirement Obligations Assumed Business Combination AssetRetirementObligationsAssumedBusinessCombination	491000000	USD
CY2016	wec	Asset Retirement Obligations Assumed Business Combination AssetRetirementObligationsAssumedBusinessCombination	0	USD
CY2015Q4	wec	Balanceof Tax Benefit Carryforward BalanceofTaxBenefitCarryforward	602900000	USD
CY2015	us-gaap	Valuation Allowances And Reserves Deductions ValuationAllowancesAndReservesDeductions	80400000	USD
CY2016	us-gaap	Valuation Allowances And Reserves Deductions ValuationAllowancesAndReservesDeductions	86800000	USD
CY2014	us-gaap	Valuation Allowances And Reserves Reserves Of Businesses Acquired ValuationAllowancesAndReservesReservesOfBusinessesAcquired	0	USD
CY2015	us-gaap	Valuation Allowances And Reserves Reserves Of Businesses Acquired ValuationAllowancesAndReservesReservesOfBusinessesAcquired	54300000	USD
CY2016	us-gaap	Valuation Allowances And Reserves Reserves Of Businesses Acquired ValuationAllowancesAndReservesReservesOfBusinessesAcquired	0	USD
CY2014	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	227500000	shares
CY2015	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	272700000	shares
CY2016	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	316900000	shares
CY2014	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	225600000	shares
CY2015	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	271100000	shares
CY2016	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	315600000	shares
CY2014	wec	Afudc Equity AFUDCEquity	5600000	USD
CY2015	wec	Afudc Equity AFUDCEquity	20100000	USD
CY2016Q4	wec	Balanceof Tax Benefit Carryforward BalanceofTaxBenefitCarryforward	899600000	USD
CY2016	wec	Capital Lease Obligation At End Of Life Of Contract CapitalLeaseObligationAtEndOfLifeOfContract	0	USD
CY2016Q4	wec	Capital Leases Future Minimum Payments Due Less Executory Costs CapitalLeasesFutureMinimumPaymentsDueLessExecutoryCosts	45400000	USD
CY2015Q4	wec	Deferred Tax Assets Employee Benefits And Compensation Non Current DeferredTaxAssetsEmployeeBenefitsAndCompensationNonCurrent	229900000	USD
CY2016Q4	wec	Deferred Tax Assets Employee Benefits And Compensation Non Current DeferredTaxAssetsEmployeeBenefitsAndCompensationNonCurrent	222000000	USD
CY2016	wec	Afudc Equity AFUDCEquity	25100000	USD
CY2015	wec	Acquired Legacy Integrysunrecognizedtaxbenefits AcquiredLegacyIntegrysunrecognizedtaxbenefits	3600000	USD
CY2016	wec	Acquired Legacy Integrysunrecognizedtaxbenefits AcquiredLegacyIntegrysunrecognizedtaxbenefits	0	USD
CY2016Q4	wec	Deferred Tax Assets Other Non Current DeferredTaxAssetsOtherNonCurrent	230600000	USD
CY2015Q4	wec	Deferred Tax Assets Future Federal Tax Benefits Non Current DeferredTaxAssetsFutureFederalTaxBenefitsNonCurrent	382800000	USD
CY2016Q4	wec	Deferred Tax Assets Future Federal Tax Benefits Non Current DeferredTaxAssetsFutureFederalTaxBenefitsNonCurrent	430400000	USD
CY2015Q4	wec	Deferred Tax Assets Other Non Current DeferredTaxAssetsOtherNonCurrent	177100000	USD
CY2015Q4	wec	Property Related Deferred Tax Assets Non Current PropertyRelatedDeferredTaxAssetsNonCurrent	59500000	USD
CY2016Q4	wec	Property Related Deferred Tax Assets Non Current PropertyRelatedDeferredTaxAssetsNonCurrent	54500000	USD
CY2016	wec	Regulatory Asset Value At End Of Life Of Contract RegulatoryAssetValueAtEndOfLifeOfContract	0	USD
CY2016Q4	wec	Regulatoryassetsearningareturnbasedonshorttermrates Regulatoryassetsearningareturnbasedonshorttermrates	204000000	USD
CY2015Q4	wec	Deferred Tax Liabilities Deferred Transmission Costs Non Current DeferredTaxLiabilitiesDeferredTransmissionCostsNonCurrent	76700000	USD
CY2016Q4	wec	Deferred Tax Liabilities Deferred Transmission Costs Non Current DeferredTaxLiabilitiesDeferredTransmissionCostsNonCurrent	93100000	USD
CY2015Q4	wec	Deferred Tax Liabilities Employee Benefits And Compensation Non Current DeferredTaxLiabilitiesEmployeeBenefitsAndCompensationNonCurrent	428900000	USD
CY2016Q4	wec	Deferred Tax Liabilities Employee Benefits And Compensation Non Current DeferredTaxLiabilitiesEmployeeBenefitsAndCompensationNonCurrent	401600000	USD
CY2015Q4	wec	Deferred Tax Liabilities Investment In Transmission Affiliate Non Current DeferredTaxLiabilitiesInvestmentInTransmissionAffiliateNonCurrent	420400000	USD
CY2016Q4	wec	Deferred Tax Liabilities Investment In Transmission Affiliate Non Current DeferredTaxLiabilitiesInvestmentInTransmissionAffiliateNonCurrent	476900000	USD
CY2015Q4	wec	Deferred Tax Liabilities Other Non Current DeferredTaxLiabilitiesOtherNonCurrent	296900000	USD
CY2016Q4	wec	Deferred Tax Liabilities Other Non Current DeferredTaxLiabilitiesOtherNonCurrent	325400000	USD
CY2015Q4	wec	Derivative Instruments And Hedges Liabilities Gross Current DerivativeInstrumentsAndHedgesLiabilitiesGrossCurrent	49000000	USD
CY2016Q4	wec	Derivative Instruments And Hedges Liabilities Gross Current DerivativeInstrumentsAndHedgesLiabilitiesGrossCurrent	1900000	USD
CY2014	wec	Effective Income Tax Rate Reconciliation Allowance For Funds Used During Construction Capitalized Cost Of Equity EffectiveIncomeTaxRateReconciliationAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity	0.002
CY2015	wec	Effective Income Tax Rate Reconciliation Allowance For Funds Used During Construction Capitalized Cost Of Equity EffectiveIncomeTaxRateReconciliationAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity	0.007
CY2016	wec	Effective Income Tax Rate Reconciliation Allowance For Funds Used During Construction Capitalized Cost Of Equity EffectiveIncomeTaxRateReconciliationAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity	0.006
CY2014	wec	Effective Income Tax Rate Reconciliation State And Local Income Taxes Net Of Federal Tax Benefit EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxesNetOfFederalTaxBenefit	0.053
CY2015	wec	Effective Income Tax Rate Reconciliation State And Local Income Taxes Net Of Federal Tax Benefit EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxesNetOfFederalTaxBenefit	0.068
CY2016	wec	Effective Income Tax Rate Reconciliation State And Local Income Taxes Net Of Federal Tax Benefit EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxesNetOfFederalTaxBenefit	0.048
CY2014	wec	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Assetand Liability Acquisitionof Integrys FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetandLiabilityAcquisitionofIntegrys	0	USD
CY2015	wec	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Assetand Liability Acquisitionof Integrys FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetandLiabilityAcquisitionofIntegrys	-1300000	USD
CY2016	wec	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Assetand Liability Acquisitionof Integrys FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetandLiabilityAcquisitionofIntegrys	0	USD
CY2016Q4	wec	Guarantee Obligations Maximum Exposure Expire Less Than One Year GuaranteeObligationsMaximumExposureExpireLessThanOneYear	38700000	USD
CY2016Q4	wec	Guarantee Obligations Maximum Exposure Expire Over Three Years GuaranteeObligationsMaximumExposureExpireOverThreeYears	7100000	USD
CY2016Q4	wec	Guarantee Obligations Maximum Exposure Expire Within One To Three Years GuaranteeObligationsMaximumExposureExpireWithinOneToThreeYears	2100000	USD
CY2014	wec	Income Tax Expense Benefit Effective Tax Rate IncomeTaxExpenseBenefitEffectiveTaxRate	0.380
CY2015	wec	Income Tax Expense Benefit Effective Tax Rate IncomeTaxExpenseBenefitEffectiveTaxRate	0.404
CY2016	wec	Income Tax Expense Benefit Effective Tax Rate IncomeTaxExpenseBenefitEffectiveTaxRate	0.376
CY2014	wec	Income Tax Reconciliation Allowance For Funds Used During Construction Capitalized Cost Of Equity IncomeTaxReconciliationAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity	1900000	USD
CY2015	wec	Income Tax Reconciliation Allowance For Funds Used During Construction Capitalized Cost Of Equity IncomeTaxReconciliationAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity	7100000	USD
CY2016	wec	Income Tax Reconciliation Allowance For Funds Used During Construction Capitalized Cost Of Equity IncomeTaxReconciliationAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity	8800000	USD
CY2016	wec	Increase In Regulatory Asset Due To Minimum Lease Payment IncreaseInRegulatoryAssetDueToMinimumLeasePayment	78500000	USD
CY2015Q4	wec	Integrys Fair Value Adjustmentto Longterm Debt IntegrysFairValueAdjustmenttoLongtermDebt	41100000	USD
CY2016Q4	wec	Integrys Fair Value Adjustmentto Longterm Debt IntegrysFairValueAdjustmenttoLongtermDebt	33300000	USD
CY2016Q4	wec	Juniornotesminimuminterestdeferralpaymentperiodinperiods Juniornotesminimuminterestdeferralpaymentperiodinperiods	1	period
CY2016	wec	Maximum Term Of Original Maturity To Classify Instrument As Cash Equivalent MaximumTermOfOriginalMaturityToClassifyInstrumentAsCashEquivalent	P0Y3M
CY2016	wec	Maximuminterestpaymentdeferralperiod Maximuminterestpaymentdeferralperiod	P10Y
CY2016	wec	Minimum Energy Requirement In Gas Fired Cogeneration Facility MinimumEnergyRequirementInGasFiredCogenerationFacility	0
CY2015Q1	wec	New401k Contributionfornewhires New401kContributionfornewhires	0.06
CY2014	wec	Other Comprehensive Income Realized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeRealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	0	USD
CY2015	wec	Other Comprehensive Income Realized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeRealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	11400000	USD
CY2016	wec	Other Comprehensive Income Realized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeRealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	0	USD
CY2015	wec	Other Comprehensive Income Realized Gain Loss On Derivatives Arising During Period Tax OtherComprehensiveIncomeRealizedGainLossOnDerivativesArisingDuringPeriodTax	7600000	USD
CY2016	wec	Percent Deviation From Rate Case Fuel Purchased Power Costs Before Deferral Required PercentDeviationFromRateCaseFuelPurchasedPowerCostsBeforeDeferralRequired	0.02
CY2016Q4	wec	Percentageofrestrictednetassetsofsubsidiariesandequitymethodinvestmentsthattriggersdividendrestrictiondisclosures Percentageofrestrictednetassetsofsubsidiariesandequitymethodinvestmentsthattriggersdividendrestrictiondisclosures	0.25
CY2016	wec	Power Capacity Under Capital Lease PowerCapacityUnderCapitalLease	236	MW
CY2016	wec	Power Purchase Contract Expected Future Renewable Period PowerPurchaseContractExpectedFutureRenewablePeriod	P10Y
CY2016	wec	Power Purchase Contract Period PowerPurchaseContractPeriod	P25Y
CY2015	wec	Preferred Stock Received During Period Value Acquisitions PreferredStockReceivedDuringPeriodValueAcquisitions	51100000	USD
CY2014	wec	Restrictedcashusedtopurchaseinvestmentsin Rabbi Trust RestrictedcashusedtopurchaseinvestmentsinRabbiTrust	0	USD
CY2015	wec	Restrictedcashusedtopurchaseinvestmentsin Rabbi Trust RestrictedcashusedtopurchaseinvestmentsinRabbiTrust	60200000	USD
CY2016	wec	Restrictedcashusedtopurchaseinvestmentsin Rabbi Trust RestrictedcashusedtopurchaseinvestmentsinRabbiTrust	59200000	USD
CY2015Q4	wec	Total Common Shareholders Equity TotalCommonShareholdersEquity	8654800000	USD
CY2016Q4	wec	Total Common Shareholders Equity TotalCommonShareholdersEquity	8929800000	USD
CY2016	us-gaap	Guarantees Indemnifications And Warranties Policies GuaranteesIndemnificationsAndWarrantiesPolicies	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;font-size:10pt;"><font style="font-family:Calibri,sans-serif;font-size:10pt;">We follow the guidance of the Guarantees Topic of the FASB ASC, which requires that the guarantor recognize, at the inception of the guarantee, a liability for the fair value of the obligation undertaken in issuing the guarantee.</font></div></div>
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:Calibri,sans-serif;font-size:10pt;">To be consistent with the current year presentation, we changed our December 31, 2015 balance sheet from a utility format to a traditional format. This change revised the order of certain balance sheet line items, but it did not result in any change to the classification of amounts between line items.</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%;font-size:10pt;"><font style="font-family:Calibri,sans-serif;font-size:10pt;">We prepare our financial statements in conformity with GAAP. We make estimates and assumptions that affect the reported amounts of assets and liabilities, the 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 may differ from these estimates.</font></div></div>

Files In Submission

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$WEC
WEC ENERGY GROUP, INC. Stock $wec

2016 Q4 Form 10-K Financial Statement

#000010781517000104 Filed on February 28, 2017

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$WEC WEC ENERGY GROUP, INC. Stock $wec

2016 Q4 Form 10-K Financial Statement

#000010781517000104 Filed on February 28, 2017

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$WEC
WEC ENERGY GROUP, INC. Stock $wec