$DUK
Duke Energy CORP Stock $duk

$duk Overview Financials Valuation SEC Filings Company Website

2015 Form 10-K Financial Statement

#000132616016000221 Filed on February 25, 2016

Income Statement

Concept	2015	2014 Q4	2014 Q3
Revenue	$22.37B	$5.559B	$6.395B
YoY Change	-0.61%	-0.91%	2.86%
Cost Of Revenue	$7.496B	$1.813B	$2.159B
YoY Change	-5.32%	0.39%	6.3%
Gross Profit	$14.88B	$3.746B	$4.236B
YoY Change	1.94%	-1.89%	1.19%
Gross Profit Margin	66.49%	67.39%	66.24%
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$3.613B	$866.0M	$893.0M
YoY Change	3.02%	0.23%	8.77%
% of Gross Profit	24.29%	23.12%	21.08%
Operating Expenses	$9.721B	$2.763B	$2.620B
YoY Change	0.43%	6.39%	3.84%
Operating Profit	$5.078B	$988.0M	$1.619B
YoY Change	4.87%	-17.18%	-2.47%
Interest Expense	$1.527B	-$377.0M	$405.0M
YoY Change	-0.13%	-2.58%	7.14%
% of Operating Profit	30.07%	-38.16%	25.02%
Other Income/Expense, Net	$359.0M	$58.00M	$137.0M
YoY Change	-20.22%	-27.5%	57.47%
Pretax Income	$3.910B	$686.0M	$1.351B
YoY Change	3.91%	-30.28%	-1.31%
Income Tax	$1.256B	$588.0M	$460.0M
% Of Pretax Income	32.12%	85.71%	34.05%
Net Earnings	$2.816B	$97.00M	$1.274B
YoY Change	49.55%	-85.9%	26.89%
Net Earnings / Revenue	12.59%	1.74%	19.92%
Basic Earnings Per Share	$4.05	$0.14	$1.80
Diluted Earnings Per Share	$4.05	$0.14	$1.80
COMMON SHARES
Basic Shares Outstanding	694.0M shares	707.3M shares	707.0M shares
Diluted Shares Outstanding	694.0M shares		707.0M shares

Balance Sheet

Concept	2015	2014 Q4	2014 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments	$389.0M	$2.054B	$1.957B
YoY Change	-81.06%	32.94%	-14.32%
Cash & Equivalents	$383.0M	$463.0M	$1.931B
Short-Term Investments	$6.000M	$18.00M	$26.00M
Other Short-Term Assets	$1.924B	$3.298B	$3.495B
YoY Change	-41.66%	21.43%	59.52%
Inventory	$3.746B	$3.459B	$3.200B
Prepaid Expenses
Receivables	$2.263B	$2.764B	$2.923B
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$8.322B	$11.58B	$11.58B
YoY Change	-28.1%	10.07%	11.11%
LONG-TERM ASSETS
Property, Plant & Equipment	$73.78B	$70.05B	$69.60B
YoY Change	5.33%	0.8%	0.45%
Goodwill		$16.32B	$16.33B
YoY Change		-0.12%	-0.09%
Intangibles
YoY Change
Long-Term Investments	$506.0M	$358.0M	$3.130B
YoY Change	41.34%	-8.21%	512.52%
Other Assets	$22.48B	$3.008B	$3.287B
YoY Change	0.99%	-12.35%	39.22%
Total Long-Term Assets	$112.8B	$109.0B	$108.1B
YoY Change	3.53%	4.53%	3.75%
TOTAL ASSETS
Total Short-Term Assets	$8.322B	$11.58B	$11.58B
Total Long-Term Assets	$112.8B	$109.0B	$108.1B
Total Assets	$121.2B	$120.6B	$119.7B
YoY Change	0.5%	5.03%	4.42%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$2.350B	$2.271B	$1.801B
YoY Change	3.48%	-5.02%	-0.99%
Accrued Expenses	$701.0M	$987.0M	$1.180B
YoY Change	-28.98%	-0.4%	0.0%
Deferred Revenue
YoY Change
Short-Term Debt	$3.633B	$2.514B	$1.787B
YoY Change	44.51%	199.64%	39.83%
Long-Term Debt Due	$2.026B	$2.807B	$1.156B
YoY Change	-27.82%	33.41%	-49.89%
Total Short-Term Liabilities	$11.40B	$11.23B	$8.251B
YoY Change	1.49%	29.95%	-10.69%
LONG-TERM LIABILITIES
Long-Term Debt	$36.84B	$37.06B	$38.70B
YoY Change	-0.59%	-2.86%	7.1%
Other Long-Term Liabilities	$20.12B	$17.51B	$17.83B
YoY Change	14.9%	24.78%	20.66%
Total Long-Term Liabilities	$56.97B	$37.06B	$38.70B
YoY Change	4.38%	-2.86%	7.1%
TOTAL LIABILITIES
Total Short-Term Liabilities	$11.40B	$11.23B	$8.251B
Total Long-Term Liabilities	$56.97B	$37.06B	$38.70B
Total Liabilities	$81.43B	$48.29B	$46.95B
YoY Change	2.19%	3.2%	3.48%
SHAREHOLDERS EQUITY
Retained Earnings		$2.012B	$2.479B
YoY Change		-14.85%	11.32%
Common Stock		$39.41B	$39.39B
YoY Change		0.1%	0.18%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$39.73B	$40.88B	$41.41B
YoY Change
Total Liabilities & Shareholders Equity	$121.2B	$120.6B	$119.7B
YoY Change	0.5%	5.03%	4.42%

Cashflow Statement

Concept	2015	2014 Q4	2014 Q3
OPERATING ACTIVITIES
Net Income	$2.816B	$97.00M	$1.274B
YoY Change	49.55%	-85.9%	26.89%
Depreciation, Depletion And Amortization	$3.613B	$866.0M	$893.0M
YoY Change	3.02%	0.23%	8.77%
Cash From Operating Activities	$6.700B	$871.0M	$2.548B
YoY Change	1.73%	-37.43%	18.68%
INVESTING ACTIVITIES
Capital Expenditures	$6.766B	-$1.629B	-$1.355B
YoY Change	25.67%	-2.57%	18.96%
Acquisitions	$1.334B
YoY Change	2370.37%
Other Investing Activities	$79.00M	-$10.00M	-$12.00M
YoY Change	41.07%	-103.85%	-108.89%
Cash From Investing Activities	-$5.277B	-$1.639B	-$1.367B
YoY Change	-1.79%	16.08%	36.16%
FINANCING ACTIVITIES
Cash Dividend Paid	$2.254B
YoY Change	0.9%
Common Stock Issuance & Retirement, Net	$1.483B
YoY Change
Debt Paid & Issued, Net	$3.029B
YoY Change	-0.26%
Cash From Financing Activities	-$2.602B	325.0M	-1.258B
YoY Change	283.78%	-150.39%	129.56%
NET CHANGE
Cash From Operating Activities	$6.700B	871.0M	2.548B
Cash From Investing Activities	-$5.277B	-1.639B	-1.367B
Cash From Financing Activities	-$2.602B	325.0M	-1.258B
Net Change In Cash	-$1.179B	-443.0M	-77.00M
YoY Change	-320.37%	-33.38%	-112.94%
FREE CASH FLOW
Cash From Operating Activities	$6.700B	$871.0M	$2.548B
Capital Expenditures	$6.766B	-$1.629B	-$1.355B
Free Cash Flow	-$66.00M	$2.500B	$3.903B
YoY Change	-105.49%	-18.41%	18.78%

Facts In Submission

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CY2015	dei	Document Type DocumentType	10-K
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CY2015Q4	us-gaap	Assets Assets	121156000000	USD
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CY2014Q4	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	33000000	USD
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CY2015Q4	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	30000000	USD
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CY2013	us-gaap	Cost Of Worldwide Unregulated Electric CostOfWorldwideUnregulatedElectric	540000000	USD
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CY2013	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	33000000	USD
CY2014	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	23000000	USD
CY2015	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	23000000	USD
CY2013	us-gaap	Employee Service Share Based Compensation Tax Benefit Realized From Exercise Of Stock Options EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromExerciseOfStockOptions	10000000	USD
CY2014	us-gaap	Employee Service Share Based Compensation Tax Benefit Realized From Exercise Of Stock Options EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromExerciseOfStockOptions	2000000	USD
CY2015	us-gaap	Employee Service Share Based Compensation Tax Benefit Realized From Exercise Of Stock Options EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromExerciseOfStockOptions	2000000	USD
CY2014Q4	us-gaap	Energy Related Inventory Coal EnergyRelatedInventoryCoal	997000000	USD
CY2015Q4	us-gaap	Energy Related Inventory Coal EnergyRelatedInventoryCoal	1114000000	USD
CY2014Q4	us-gaap	Energy Related Inventory Other Fossil Fuel EnergyRelatedInventoryOtherFossilFuel	360000000	USD
CY2015Q4	us-gaap	Energy Related Inventory Other Fossil Fuel EnergyRelatedInventoryOtherFossilFuel	307000000	USD
CY2013	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	144000000	USD
CY2014	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	154000000	USD
CY2015	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	104000000	USD
CY2013	us-gaap	Equity Method Investment Realized Gain Loss On Disposal EquityMethodInvestmentRealizedGainLossOnDisposal	100000000	USD
CY2014	us-gaap	Equity Method Investment Realized Gain Loss On Disposal EquityMethodInvestmentRealizedGainLossOnDisposal	17000000	USD
CY2015	us-gaap	Equity Method Investment Realized Gain Loss On Disposal EquityMethodInvestmentRealizedGainLossOnDisposal	7000000	USD
CY2014Q4	us-gaap	Equity Method Investments EquityMethodInvestments	358000000	USD
CY2015Q4	us-gaap	Equity Method Investments EquityMethodInvestments	499000000	USD
CY2013	us-gaap	Excise Taxes Collected ExciseTaxesCollected	602000000	USD
CY2014	us-gaap	Excise Taxes Collected ExciseTaxesCollected	498000000	USD
CY2015	us-gaap	Excise Taxes Collected ExciseTaxesCollected	396000000	USD
CY2014	us-gaap	Fair Value Assets Measured On Recurring Basis Change In Unrealized Gain Loss FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss	-14000000	USD
CY2014	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1	-7000000	USD
CY2015	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1	21000000	USD
CY2014	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases	50000000	USD
CY2015	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases	24000000	USD
CY2014	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Sales FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales	15000000	USD
CY2015	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Sales FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales	1000000	USD
CY2014	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements	54000000	USD
CY2015	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements	37000000	USD
CY2014	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Net FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersNet	6000000	USD
CY2013	us-gaap	Gas Domestic Regulated Revenue GasDomesticRegulatedRevenue	511000000	USD
CY2013Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	33000000	USD
CY2014Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	263000000	USD
CY2015Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	285000000	USD
CY2013	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-18000000	USD
CY2014Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	4000000	USD
CY2015Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	15000000	USD
CY2014Q4	us-gaap	Fair Value Net Asset Liability FairValueNetAssetLiability	5350000000	USD
CY2015Q4	us-gaap	Fair Value Net Asset Liability FairValueNetAssetLiability	5821000000	USD
CY2014	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Gain Loss Included In Earnings FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInEarnings	-7000000	USD
CY2015	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Gain Loss Included In Earnings FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInEarnings	21000000	USD
CY2014	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Purchases FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationPurchases	50000000	USD
CY2015	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Purchases FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationPurchases	24000000	USD
CY2015	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Sales FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationSales	-1000000	USD
CY2014	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Settlements FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationSettlements	-54000000	USD
CY2015	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Settlements FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationSettlements	-37000000	USD
CY2014	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Transfers Out Of Level3 FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationTransfersOutOfLevel3	6000000	USD
CY2013Q4	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis With Unobservable Inputs FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservableInputs	13000000	USD
CY2014Q4	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis With Unobservable Inputs FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservableInputs	-1000000	USD
CY2015Q4	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis With Unobservable Inputs FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservableInputs	10000000	USD
CY2014Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	54000000	USD
CY2015Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	58000000	USD
CY2015Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	8000000	USD
CY2015Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	7000000	USD
CY2015Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	7000000	USD
CY2015Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	8000000	USD
CY2015Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	8000000	USD
CY2014Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	317000000	USD
CY2015Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	343000000	USD
CY2014	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	3000000	USD
CY2015	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-4000000	USD
CY2013	us-gaap	Gain Loss On Sale Of Other Assets GainLossOnSaleOfOtherAssets	79000000	USD
CY2014	us-gaap	Gain Loss On Sale Of Other Assets GainLossOnSaleOfOtherAssets	33000000	USD
CY2015	us-gaap	Gain Loss On Sale Of Other Assets GainLossOnSaleOfOtherAssets	48000000	USD
CY2013	us-gaap	Gains Losses On Sales Of Assets GainsLossesOnSalesOfAssets	-16000000	USD
CY2014	us-gaap	Gains Losses On Sales Of Assets GainsLossesOnSalesOfAssets	16000000	USD
CY2015	us-gaap	Gains Losses On Sales Of Assets GainsLossesOnSalesOfAssets	35000000	USD
CY2014	us-gaap	Gas Domestic Regulated Revenue GasDomesticRegulatedRevenue	573000000	USD
CY2015	us-gaap	Gas Domestic Regulated Revenue GasDomesticRegulatedRevenue	536000000	USD
CY2014Q4	us-gaap	Goodwill Goodwill	16321000000	USD
CY2015Q4	us-gaap	Goodwill Goodwill	16343000000	USD
CY2015	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	58000000	USD
CY2015	us-gaap	Goodwill Translation And Purchase Accounting Adjustments GoodwillTranslationAndPurchaseAccountingAdjustments	-36000000	USD
CY2014Q4	us-gaap	Guarantee Obligations Current Carrying Value GuaranteeObligationsCurrentCarryingValue	28000000	USD
CY2015Q4	us-gaap	Guarantee Obligations Current Carrying Value GuaranteeObligationsCurrentCarryingValue	21000000	USD
CY2013	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	2574000000	USD
CY2014	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	2451000000	USD
CY2015	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	2796000000	USD
CY2013	us-gaap	Income Loss From Continuing Operations Attributable To Noncontrolling Entity IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity	16000000	USD
CY2014	us-gaap	Income Loss From Continuing Operations Attributable To Noncontrolling Entity IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity	14000000	USD
CY2015	us-gaap	Income Loss From Continuing Operations Attributable To Noncontrolling Entity IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity	15000000	USD
CY2013	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	3183000000	USD
CY2014	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	3600000000	USD
CY2015	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	3828000000	USD
CY2013	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	3795000000	USD
CY2014	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	4134000000	USD
CY2015	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	4137000000	USD
CY2013	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	612000000	USD
CY2014	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	534000000	USD
CY2015	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	309000000	USD
CY2013	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	2590000000	USD
CY2014Q1	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	750000000	USD
CY2014Q2	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	726000000	USD
CY2014Q3	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	891000000	USD
CY2014Q4	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	98000000	USD
CY2014	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	2465000000	USD
CY2015Q1	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	776000000	USD
CY2015Q2	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	604000000	USD
CY2015Q3	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	940000000	USD
CY2015Q4	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	491000000	USD
CY2015	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	2811000000	USD
CY2013	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	3.64
CY2014Q1	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	1.05
CY2014Q2	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	1.02
CY2014Q3	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	1.25
CY2014Q4	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.14
CY2014	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	3.46
CY2015Q1	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	1.09
CY2015Q2	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.87
CY2015Q3	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	1.36
CY2015Q4	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.70
CY2015	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	4.02
CY2013	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	3.63
CY2014Q1	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	1.05
CY2014Q2	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	1.02
CY2014Q3	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	1.25
CY2014Q4	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.14
CY2014	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	3.46
CY2015Q1	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	1.09
CY2015Q2	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.87
CY2015Q3	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	1.36
CY2015Q4	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.70
CY2015	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	4.02
CY2013	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	86000000	USD
CY2014Q1	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	-843000000	USD
CY2014Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	-113000000	USD
CY2014Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	378000000	USD
CY2014Q4	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	2000000	USD
CY2014	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	-576000000	USD
CY2015Q1	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	91000000	USD
CY2015Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	-57000000	USD
CY2015Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	-5000000	USD
CY2014	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1669000000	USD
CY2015Q4	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	-9000000	USD
CY2015	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	20000000	USD
CY2013	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Noncontrolling Interest IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest	-5000000	USD
CY2014	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Noncontrolling Interest IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest	-8000000	USD
CY2013	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	91000000	USD
CY2014	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	-568000000	USD
CY2013	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.13
CY2014Q1	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	-1.19
CY2014Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	-0.16
CY2014Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.55
CY2014	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	-0.80
CY2015Q1	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.13
CY2015Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	-0.09
CY2015Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	-0.01
CY2015Q4	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	-0.01
CY2015	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.03
CY2013	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.13
CY2014Q1	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	-1.19
CY2014Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	-0.16
CY2014Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.55
CY2014	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	-0.80
CY2015Q1	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.13
CY2015Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	-0.09
CY2015Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	-0.01
CY2015Q4	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	-0.01
CY2015	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.03
CY2013	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	122000000	USD
CY2014	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	130000000	USD
CY2015	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	69000000	USD
CY2013Q4	us-gaap	Income Tax Examination Interest Accrued IncomeTaxExaminationInterestAccrued	27000000	USD
CY2014Q4	us-gaap	Income Tax Examination Interest Accrued IncomeTaxExaminationInterestAccrued	13000000	USD
CY2013	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1205000000	USD
CY2015	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1326000000	USD
CY2013	us-gaap	Income Tax Expense Benefit Continuing Operations Discontinued Operations Extraordinary Items IncomeTaxExpenseBenefitContinuingOperationsDiscontinuedOperationsExtraordinaryItems	1234000000	USD
CY2014	us-gaap	Income Tax Expense Benefit Continuing Operations Discontinued Operations Extraordinary Items IncomeTaxExpenseBenefitContinuingOperationsDiscontinuedOperationsExtraordinaryItems	1374000000	USD
CY2015	us-gaap	Income Tax Expense Benefit Continuing Operations Discontinued Operations Extraordinary Items IncomeTaxExpenseBenefitContinuingOperationsDiscontinuedOperationsExtraordinaryItems	1345000000	USD
CY2013	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	-49000000	USD
CY2014	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	-110000000	USD
CY2015	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	-27000000	USD
CY2013	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	1328000000	USD
CY2014	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	1447000000	USD
CY2015	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	1448000000	USD
CY2015	us-gaap	Income Tax Reconciliation Nondeductible Expense Other IncomeTaxReconciliationNondeductibleExpenseOther	2000000	USD
CY2013	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-23000000	USD
CY2014	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	14000000	USD
CY2015	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-54000000	USD
CY2014	us-gaap	Income Tax Reconciliation Repatriation Of Foreign Earnings IncomeTaxReconciliationRepatriationOfForeignEarnings	373000000	USD
CY2013	us-gaap	Income Tax Reconciliation Tax Credits Other IncomeTaxReconciliationTaxCreditsOther	62000000	USD
CY2014	us-gaap	Income Tax Reconciliation Tax Credits Other IncomeTaxReconciliationTaxCreditsOther	67000000	USD
CY2015	us-gaap	Income Tax Reconciliation Tax Credits Other IncomeTaxReconciliationTaxCreditsOther	72000000	USD
CY2015	us-gaap	Income Tax Reconciliation Tax Settlements Domestic IncomeTaxReconciliationTaxSettlementsDomestic	-22000000	USD
CY2013	us-gaap	Income Tax Reconciliation Tax Settlements State And Local IncomeTaxReconciliationTaxSettlementsStateAndLocal	66000000	USD
CY2014	us-gaap	Income Tax Reconciliation Tax Settlements State And Local IncomeTaxReconciliationTaxSettlementsStateAndLocal	59000000	USD
CY2015	us-gaap	Income Tax Reconciliation Tax Settlements State And Local IncomeTaxReconciliationTaxSettlementsStateAndLocal	109000000	USD
CY2013	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	-202000000	USD
CY2014	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	158000000	USD
CY2015	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	170000000	USD
CY2013	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	73000000	USD
CY2014	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-30000000	USD
CY2015	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-6000000	USD
CY2013	us-gaap	Increase Decrease In Accrued Taxes Payable IncreaseDecreaseInAccruedTaxesPayable	77000000	USD
CY2014	us-gaap	Increase Decrease In Accrued Taxes Payable IncreaseDecreaseInAccruedTaxesPayable	-14000000	USD
CY2015	us-gaap	Increase Decrease In Accrued Taxes Payable IncreaseDecreaseInAccruedTaxesPayable	-38000000	USD
CY2013	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	31000000	USD
CY2014	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	269000000	USD
CY2015	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	237000000	USD
CY2013	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	35000000	USD
CY2014	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	414000000	USD
CY2015	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	65000000	USD
CY2013	us-gaap	Increase Decrease In Other Current Liabilities IncreaseDecreaseInOtherCurrentLiabilities	24000000	USD
CY2014	us-gaap	Increase Decrease In Other Current Liabilities IncreaseDecreaseInOtherCurrentLiabilities	-201000000	USD
CY2015	us-gaap	Increase Decrease In Other Current Liabilities IncreaseDecreaseInOtherCurrentLiabilities	168000000	USD
CY2013	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	384000000	USD
CY2014	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-16000000	USD
CY2015	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	216000000	USD
CY2013	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-352000000	USD
CY2014	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	209000000	USD
CY2015	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-243000000	USD
CY2013	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	281000000	USD
CY2014	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	-58000000	USD
CY2015	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	-359000000	USD
CY2013	us-gaap	Increase Decrease In Restricted Cash IncreaseDecreaseInRestrictedCash	-167000000	USD
CY2014	us-gaap	Increase Decrease In Restricted Cash IncreaseDecreaseInRestrictedCash	-9000000	USD
CY2015	us-gaap	Increase Decrease In Restricted Cash IncreaseDecreaseInRestrictedCash	-191000000	USD
CY2013	us-gaap	Interest Expense InterestExpense	1543000000	USD
CY2014	us-gaap	Interest Expense InterestExpense	1622000000	USD
CY2015	us-gaap	Interest Expense InterestExpense	1613000000	USD
CY2013	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	26000000	USD
CY2014	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	57000000	USD
CY2015	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	38000000	USD
CY2013	us-gaap	Interest Paid Net InterestPaidNet	1665000000	USD
CY2014	us-gaap	Interest Paid Net InterestPaidNet	1659000000	USD
CY2015	us-gaap	Interest Paid Net InterestPaidNet	1607000000	USD
CY2014Q4	us-gaap	Interest Payable Current InterestPayableCurrent	418000000	USD
CY2015Q4	us-gaap	Interest Payable Current InterestPayableCurrent	430000000	USD
CY2014Q4	us-gaap	Interest Rate Derivatives At Fair Value Net InterestRateDerivativesAtFairValueNet	8000000	USD
CY2015Q4	us-gaap	Interest Rate Derivatives At Fair Value Net InterestRateDerivativesAtFairValueNet	6000000	USD
CY2014Q4	us-gaap	Inventory Raw Materials And Supplies InventoryRawMaterialsAndSupplies	2102000000	USD
CY2015Q4	us-gaap	Inventory Raw Materials And Supplies InventoryRawMaterialsAndSupplies	2389000000	USD
CY2014Q4	us-gaap	Investments And Other Noncurrent Assets InvestmentsAndOtherNoncurrentAssets	27875000000	USD
CY2015Q4	us-gaap	Investments And Other Noncurrent Assets InvestmentsAndOtherNoncurrentAssets	25709000000	USD
CY2014Q4	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	358000000	USD
CY2015Q4	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	499000000	USD
CY2013	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	321000000	USD
CY2014	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	355000000	USD
CY2015	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	318000000	USD
CY2014Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	120557000000	USD
CY2015Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	121156000000	USD
CY2014Q4	us-gaap	Liabilities Current LiabilitiesCurrent	11233000000	USD
CY2015Q4	us-gaap	Liabilities Current LiabilitiesCurrent	11400000000	USD
CY2014Q4	us-gaap	Liabilities Of Disposal Group Including Discontinued Operation Current LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent	262000000	USD
CY2014Q4	us-gaap	Liabilities Of Disposal Group Including Discontinued Operation Noncurrent LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent	35000000	USD
CY2014Q4	us-gaap	Liabilities Other Than Longterm Debt Noncurrent LiabilitiesOtherThanLongtermDebtNoncurrent	31364000000	USD
CY2015Q4	us-gaap	Liabilities Other Than Longterm Debt Noncurrent LiabilitiesOtherThanLongtermDebtNoncurrent	32490000000	USD
CY2014Q4	us-gaap	Long Term Debt LongTermDebt	39868000000	USD
CY2015Q4	us-gaap	Long Term Debt LongTermDebt	39569000000	USD
CY2014Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	37061000000	USD
CY2015Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	37495000000	USD
CY2014Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	2807000000	USD
CY2015Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	2074000000	USD
CY2014Q4	us-gaap	Long Term Debt Fair Value LongTermDebtFairValue	44566000000	USD
CY2015Q4	us-gaap	Long Term Debt Fair Value LongTermDebtFairValue	42537000000	USD
CY2015Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal After Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive	24616000000	USD
CY2015Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	2074000000	USD
CY2015Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	2091000000	USD
CY2015Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	3022000000	USD
CY2015Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	3441000000	USD
CY2015Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	2468000000	USD
CY2014Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	37061000000	USD
CY2015Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	37495000000	USD
CY2014Q4	us-gaap	Longterm Pollution Control Bond Current And Noncurrent LongtermPollutionControlBondCurrentAndNoncurrent	1296000000	USD
CY2015Q4	us-gaap	Longterm Pollution Control Bond Current And Noncurrent LongtermPollutionControlBondCurrentAndNoncurrent	1053000000	USD
CY2014Q4	us-gaap	Loss Contingency Accrual At Carrying Value LossContingencyAccrualAtCarryingValue	323000000	USD
CY2015Q4	us-gaap	Loss Contingency Accrual At Carrying Value LossContingencyAccrualAtCarryingValue	166000000	USD
CY2015	us-gaap	Loss Contingency Loss In Period LossContingencyLossInPeriod	53000000	USD
CY2014Q4	us-gaap	Minority Interest MinorityInterest	24000000	USD
CY2015Q4	us-gaap	Minority Interest MinorityInterest	44000000	USD
CY2013	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	14000000	USD
CY2014	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	65000000	USD
CY2015	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	9000000	USD
CY2013	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-1327000000	USD
CY2014	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-678000000	USD
CY2015	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-2578000000	USD
CY2013	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-4978000000	USD
CY2014	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-5373000000	USD
CY2015	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-5277000000	USD
CY2013	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	6382000000	USD
CY2014	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	6586000000	USD
CY2015	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	6676000000	USD
CY2013	us-gaap	Net Income Loss NetIncomeLoss	2665000000	USD
CY2014Q1	us-gaap	Net Income Loss NetIncomeLoss	-97000000	USD
CY2014Q2	us-gaap	Net Income Loss NetIncomeLoss	609000000	USD
CY2014Q3	us-gaap	Net Income Loss NetIncomeLoss	1274000000	USD
CY2014Q4	us-gaap	Net Income Loss NetIncomeLoss	97000000	USD
CY2014	us-gaap	Net Income Loss NetIncomeLoss	1883000000	USD
CY2015Q1	us-gaap	Net Income Loss NetIncomeLoss	864000000	USD
CY2015Q2	us-gaap	Net Income Loss NetIncomeLoss	543000000	USD
CY2015Q3	us-gaap	Net Income Loss NetIncomeLoss	932000000	USD
CY2015Q4	us-gaap	Net Income Loss NetIncomeLoss	477000000	USD
CY2015	us-gaap	Net Income Loss NetIncomeLoss	2816000000	USD
CY2013	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	11000000	USD
CY2014	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	6000000	USD
CY2015	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	15000000	USD
CY2014	us-gaap	New Accounting Pronouncement Or Change In Accounting Principle Effect Of Adoption Quantification NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfAdoptionQuantification	152000000	USD
CY2015	us-gaap	New Accounting Pronouncement Or Change In Accounting Principle Effect Of Adoption Quantification NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfAdoptionQuantification	170000000	USD
CY2013Q4	us-gaap	Noncurrent Assets NoncurrentAssets	81362000000	USD
CY2014Q4	us-gaap	Noncurrent Assets NoncurrentAssets	83167000000	USD
CY2015Q4	us-gaap	Noncurrent Assets NoncurrentAssets	89564000000	USD
CY2013	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	484000000	USD
CY2014	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	498000000	USD
CY2015	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	383000000	USD
CY2013	us-gaap	Operating Income Loss OperatingIncomeLoss	4854000000	USD
CY2014Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	1362000000	USD
CY2014Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	1289000000	USD
CY2014Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	1619000000	USD
CY2014Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	988000000	USD
CY2014	us-gaap	Operating Income Loss OperatingIncomeLoss	5258000000	USD
CY2015Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	1456000000	USD
CY2015Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	1246000000	USD
CY2015Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	1688000000	USD
CY2015Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	977000000	USD
CY2015	us-gaap	Operating Income Loss OperatingIncomeLoss	5367000000	USD
CY2015Q4	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	1699000000	USD
CY2015	us-gaap	Other Asset Impairment Charges OtherAssetImpairmentCharges	153000000	USD
CY2014Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	3008000000	USD
CY2015Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	3042000000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax	20000000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax	13000000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-197000000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-124000000	USD
CY2015	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-264000000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-99000000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-136000000	USD
CY2015	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-274000000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-38000000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-4000000	USD
CY2015	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	13000000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-17000000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	-4000000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax	-1000000	USD
CY2015Q4	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	219000000	USD
CY2015Q4	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	127000000	USD
CY2015Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	146000000	USD
CY2015Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	161000000	USD
CY2015Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	182000000	USD
CY2015Q4	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	864000000	USD
CY2013	us-gaap	Other Asset Impairment Charges OtherAssetImpairmentCharges	400000000	USD
CY2014	us-gaap	Other Asset Impairment Charges OtherAssetImpairmentCharges	915000000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax	-7000000	USD
CY2015	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax	-9000000	USD
CY2013	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	59000000	USD
CY2014	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	-26000000	USD
CY2013	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-4000000	USD
CY2014	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	3000000	USD
CY2015	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-6000000	USD
CY2014Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	2188000000	USD
CY2015Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	2115000000	USD
CY2014Q4	us-gaap	Other Loans Payable OtherLoansPayable	603000000	USD
CY2015Q4	us-gaap	Other Loans Payable OtherLoansPayable	629000000	USD
CY2013	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	262000000	USD
CY2014	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	351000000	USD
CY2015	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	307000000	USD
CY2013	us-gaap	Other Tax Expense Benefit OtherTaxExpenseBenefit	-15000000	USD
CY2014	us-gaap	Other Tax Expense Benefit OtherTaxExpenseBenefit	-16000000	USD
CY2015	us-gaap	Other Tax Expense Benefit OtherTaxExpenseBenefit	-14000000	USD
CY2013	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-12000000	USD
CY2014	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	56000000	USD
CY2015	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans	17000000	USD
CY2013	us-gaap	Proceeds From Minority Shareholders ProceedsFromMinorityShareholders	9000000	USD
CY2015	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	76000000	USD
CY2013	us-gaap	Pension And Other Postretirement Benefit Expense PensionAndOtherPostretirementBenefitExpense	307000000	USD
CY2014	us-gaap	Pension And Other Postretirement Benefit Expense PensionAndOtherPostretirementBenefitExpense	108000000	USD
CY2015	us-gaap	Pension And Other Postretirement Benefit Expense PensionAndOtherPostretirementBenefitExpense	71000000	USD
CY2015Q2	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	1500000000	USD
CY2015	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	1500000000	USD
CY2013	us-gaap	Payments For Repurchase Of Redeemable Preferred Stock PaymentsForRepurchaseOfRedeemablePreferredStock	96000000	USD
CY2015	us-gaap	Payments For Restructuring PaymentsForRestructuring	36000000	USD
CY2013	us-gaap	Payments Of Dividends PaymentsOfDividends	2188000000	USD
CY2014	us-gaap	Payments Of Dividends PaymentsOfDividends	2234000000	USD
CY2015	us-gaap	Payments Of Dividends PaymentsOfDividends	2254000000	USD
CY2013	us-gaap	Payments Of Dividends Minority Interest PaymentsOfDividendsMinorityInterest	15000000	USD
CY2014	us-gaap	Payments Of Dividends Minority Interest PaymentsOfDividendsMinorityInterest	65000000	USD
CY2015	us-gaap	Payments Of Dividends Minority Interest PaymentsOfDividendsMinorityInterest	9000000	USD
CY2013	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	6142000000	USD
CY2014	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	4110000000	USD
CY2015	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	4037000000	USD
CY2014	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	54000000	USD
CY2015	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	1334000000	USD
CY2013	us-gaap	Payments To Acquire Interest In Subsidiaries And Affiliates PaymentsToAcquireInterestInSubsidiariesAndAffiliates	81000000	USD
CY2014	us-gaap	Payments To Acquire Interest In Subsidiaries And Affiliates PaymentsToAcquireInterestInSubsidiariesAndAffiliates	90000000	USD
CY2015	us-gaap	Payments To Acquire Interest In Subsidiaries And Affiliates PaymentsToAcquireInterestInSubsidiariesAndAffiliates	263000000	USD
CY2013	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	5526000000	USD
CY2014	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	5384000000	USD
CY2015	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	6766000000	USD
CY2014Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	1145000000	USD
CY2015Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	1088000000	USD
CY2013	us-gaap	Pension Contributions PensionContributions	250000000	USD
CY2015	us-gaap	Pension Contributions PensionContributions	302000000	USD
CY2013	us-gaap	Preferred Stock Redemption Premium PreferredStockRedemptionPremium	3000000	USD
CY2014Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	1837000000	USD
CY2015Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	327000000	USD
CY2013	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	3601000000	USD
CY2014	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	2914000000	USD
CY2015	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	2955000000	USD
CY2013	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans	9000000	USD
CY2014	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans	25000000	USD
CY2013	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	21000000	USD
CY2014	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	31000000	USD
CY2015	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-3000000	USD
CY2013	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	93000000	USD
CY2014	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	1186000000	USD
CY2015	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	1797000000	USD
CY2013	us-gaap	Proceeds From Sale And Maturity Of Available For Sale Securities ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities	6315000000	USD
CY2014	us-gaap	Proceeds From Sale And Maturity Of Available For Sale Securities ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities	4133000000	USD
CY2015	us-gaap	Proceeds From Sale And Maturity Of Available For Sale Securities ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities	4040000000	USD
CY2013	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	277000000	USD
CY2014	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	179000000	USD
CY2015	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	2968000000	USD
CY2014	us-gaap	Proceeds From Short Term Debt Maturing In More Than Three Months ProceedsFromShortTermDebtMaturingInMoreThanThreeMonths	1066000000	USD
CY2015	us-gaap	Proceeds From Short Term Debt Maturing In More Than Three Months ProceedsFromShortTermDebtMaturingInMoreThanThreeMonths	379000000	USD
CY2013	us-gaap	Profit Loss ProfitLoss	2676000000	USD
CY2014Q1	us-gaap	Profit Loss ProfitLoss	-93000000	USD
CY2014Q2	us-gaap	Profit Loss ProfitLoss	613000000	USD
CY2014Q3	us-gaap	Profit Loss ProfitLoss	1269000000	USD
CY2014Q4	us-gaap	Profit Loss ProfitLoss	100000000	USD
CY2014	us-gaap	Profit Loss ProfitLoss	1889000000	USD
CY2015Q1	us-gaap	Profit Loss ProfitLoss	867000000	USD
CY2015Q2	us-gaap	Profit Loss ProfitLoss	547000000	USD
CY2015Q3	us-gaap	Profit Loss ProfitLoss	935000000	USD
CY2015Q4	us-gaap	Profit Loss ProfitLoss	482000000	USD
CY2015	us-gaap	Profit Loss ProfitLoss	2831000000	USD
CY2014Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	104861000000	USD
CY2015Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	112826000000	USD
CY2014Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	70046000000	USD
CY2015Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	75709000000	USD
CY2013	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity	157000000	USD
CY2014	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity	135000000	USD
CY2015	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity	164000000	USD
CY2013	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Interest PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest	89000000	USD
CY2014	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Interest PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest	75000000	USD
CY2015	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Interest PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest	98000000	USD
CY2014Q4	us-gaap	Public Utilities Inventory PublicUtilitiesInventory	3459000000	USD
CY2015Q4	us-gaap	Public Utilities Inventory PublicUtilitiesInventory	3810000000	USD
CY2014Q4	us-gaap	Public Utilities Property Plant And Equipment Construction Work In Progress PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress	4519000000	USD
CY2015Q4	us-gaap	Public Utilities Property Plant And Equipment Construction Work In Progress PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress	4525000000	USD
CY2013	us-gaap	Public Utilities Property Plant And Equipment Disclosure Of Composite Depreciation Rate For Plants In Service PublicUtilitiesPropertyPlantAndEquipmentDisclosureOfCompositeDepreciationRateForPlantsInService	0.028
CY2014	us-gaap	Public Utilities Property Plant And Equipment Disclosure Of Composite Depreciation Rate For Plants In Service PublicUtilitiesPropertyPlantAndEquipmentDisclosureOfCompositeDepreciationRateForPlantsInService	0.028
CY2015	us-gaap	Public Utilities Property Plant And Equipment Disclosure Of Composite Depreciation Rate For Plants In Service PublicUtilitiesPropertyPlantAndEquipmentDisclosureOfCompositeDepreciationRateForPlantsInService	0.029
CY2014Q4	us-gaap	Public Utilities Property Plant And Equipment Equipment PublicUtilitiesPropertyPlantAndEquipmentEquipment	1762000000	USD
CY2015Q4	us-gaap	Public Utilities Property Plant And Equipment Equipment PublicUtilitiesPropertyPlantAndEquipmentEquipment	1791000000	USD
CY2014Q4	us-gaap	Public Utilities Property Plant And Equipment Fuel PublicUtilitiesPropertyPlantAndEquipmentFuel	2865000000	USD
CY2015Q4	us-gaap	Public Utilities Property Plant And Equipment Fuel PublicUtilitiesPropertyPlantAndEquipmentFuel	3194000000	USD
CY2014Q4	us-gaap	Public Utilities Property Plant And Equipment Land PublicUtilitiesPropertyPlantAndEquipmentLand	1459000000	USD
CY2015Q4	us-gaap	Public Utilities Property Plant And Equipment Land PublicUtilitiesPropertyPlantAndEquipmentLand	1466000000	USD
CY2014Q4	us-gaap	Public Utilities Property Plant And Equipment Other Property Plant And Equipment PublicUtilitiesPropertyPlantAndEquipmentOtherPropertyPlantAndEquipment	3497000000	USD
CY2015Q4	us-gaap	Public Utilities Property Plant And Equipment Other Property Plant And Equipment PublicUtilitiesPropertyPlantAndEquipmentOtherPropertyPlantAndEquipment	4744000000	USD
CY2015Q4	us-gaap	Ratio Of Indebtedness To Net Capital1 RatioOfIndebtednessToNetCapital1	0.65
CY2014Q4	us-gaap	Receivables Net Current ReceivablesNetCurrent	791000000	USD
CY2015Q4	us-gaap	Receivables Net Current ReceivablesNetCurrent	703000000	USD
CY2014Q4	us-gaap	Regulated Entity Other Assets Noncurrent RegulatedEntityOtherAssetsNoncurrent	11061000000	USD
CY2015Q4	us-gaap	Regulated Entity Other Assets Noncurrent RegulatedEntityOtherAssetsNoncurrent	11416000000	USD
CY2014Q4	us-gaap	Regulatory Assets RegulatoryAssets	12157000000	USD
CY2015Q4	us-gaap	Regulatory Assets RegulatoryAssets	12250000000	USD
CY2014Q4	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	1115000000	USD
CY2015Q4	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	877000000	USD
CY2014Q4	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	11042000000	USD
CY2015Q4	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	11373000000	USD
CY2014Q4	us-gaap	Regulatory Liabilities RegulatoryLiabilities	6397000000	USD
CY2015Q4	us-gaap	Regulatory Liabilities RegulatoryLiabilities	6655000000	USD
CY2014Q4	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	204000000	USD
CY2015Q4	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	400000000	USD
CY2014Q4	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	6193000000	USD
CY2015Q4	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	6255000000	USD
CY2013	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	2761000000	USD
CY2014	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	3037000000	USD
CY2015	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	3029000000	USD
CY2014	us-gaap	Repayments Of Short Term Debt Maturing In More Than Three Months RepaymentsOfShortTermDebtMaturingInMoreThanThreeMonths	564000000	USD
CY2015	us-gaap	Repayments Of Short Term Debt Maturing In More Than Three Months RepaymentsOfShortTermDebtMaturingInMoreThanThreeMonths	931000000	USD
CY2014Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	298000000	USD
CY2015Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	108000000	USD
CY2015	us-gaap	Restructuring Charges RestructuringCharges	144000000	USD
CY2014Q4	us-gaap	Restructuring Reserve RestructuringReserve	28000000	USD
CY2015Q4	us-gaap	Restructuring Reserve RestructuringReserve	136000000	USD
CY2014Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	2012000000	USD
CY2015Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	2564000000	USD
CY2013	us-gaap	Sales Revenue Net SalesRevenueNet	22756000000	USD
CY2014Q1	us-gaap	Sales Revenue Net SalesRevenueNet	6263000000	USD
CY2014Q2	us-gaap	Sales Revenue Net SalesRevenueNet	5708000000	USD
CY2014Q3	us-gaap	Sales Revenue Net SalesRevenueNet	6395000000	USD
CY2014Q4	us-gaap	Sales Revenue Net SalesRevenueNet	5559000000	USD
CY2014	us-gaap	Sales Revenue Net SalesRevenueNet	23925000000	USD
CY2015Q1	us-gaap	Sales Revenue Net SalesRevenueNet	6065000000	USD
CY2015Q2	us-gaap	Sales Revenue Net SalesRevenueNet	5589000000	USD
CY2015Q3	us-gaap	Sales Revenue Net SalesRevenueNet	6483000000	USD
CY2015Q4	us-gaap	Sales Revenue Net SalesRevenueNet	5322000000	USD
CY2015	us-gaap	Sales Revenue Net SalesRevenueNet	23459000000	USD
CY2014Q4	us-gaap	Secured Debt SecuredDebt	2806000000	USD
CY2015Q4	us-gaap	Secured Debt SecuredDebt	2635000000	USD
CY2015Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Authorized ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized	10000000	shares
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	26000000	USD
CY2014	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	6000000	USD
CY2015	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	5000000	USD
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	310000	shares
CY2014Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	373000	shares
CY2015Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	103000	shares
CY2014Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	64
CY2015Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	69
CY2015Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber	103000	shares
CY2015Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice	69
CY2015	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	62
CY2015	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P7Y2M0D
CY2015	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1	P7Y2M
CY2014Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	2514000000	USD
CY2015Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	3633000000	USD
CY2015Q4	us-gaap	Significant Change In Unrecognized Tax Benefits Is Reasonably Possible Amount Of Unrecorded Benefit SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleAmountOfUnrecordedBenefit	65000000	USD
CY2015	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	270000	shares
CY2013	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	86000000	USD
CY2014	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	40000000	USD
CY2015	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	63000000	USD
CY2015Q2	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	1500000000	USD
CY2015Q2	us-gaap	Stock Repurchased And Retired During Period Shares StockRepurchasedAndRetiredDuringPeriodShares	16600000	shares
CY2015Q2	us-gaap	Stock Repurchased And Retired During Period Shares StockRepurchasedAndRetiredDuringPeriodShares	3200000	shares
CY2015	us-gaap	Stock Repurchased And Retired During Period Shares StockRepurchasedAndRetiredDuringPeriodShares	19800000	shares
CY2015Q2	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	1275000000	USD
CY2015Q2	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	225000000	USD
CY2015	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	1500000000	USD
CY2014Q4	us-gaap	Stockholders Equity StockholdersEquity	40875000000	USD
CY2015Q4	us-gaap	Stockholders Equity StockholdersEquity	39727000000	USD
CY2012Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	40941000000	USD
CY2013Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	41408000000	USD
CY2014Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	40899000000	USD
CY2015Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	39771000000	USD
CY2014	us-gaap	Stockholders Equity Other StockholdersEquityOther	-3000000	USD
CY2015	us-gaap	Stockholders Equity Other StockholdersEquityOther	15000000	USD
CY2014Q4	us-gaap	Tax Credit Carryforward Amount TaxCreditCarryforwardAmount	3540000000	USD
CY2015Q4	us-gaap	Tax Credit Carryforward Amount TaxCreditCarryforwardAmount	3719000000	USD
CY2013	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	1274000000	USD
CY2014	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	1213000000	USD
CY2015	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	1135000000	USD
CY2014Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	569000000	USD
CY2015Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	348000000	USD
CY2014Q4	us-gaap	Unamortized Debt Issuance Expense UnamortizedDebtIssuanceExpense	19000000	USD
CY2015Q4	us-gaap	Unamortized Debt Issuance Expense UnamortizedDebtIssuanceExpense	43000000	USD
CY2014Q4	us-gaap	Unbilled Receivables Current UnbilledReceivablesCurrent	827000000	USD
CY2015Q4	us-gaap	Unbilled Receivables Current UnbilledReceivablesCurrent	748000000	USD
CY2015Q4	us-gaap	Undistributed Earnings Of Foreign Subsidiaries UndistributedEarningsOfForeignSubsidiaries	250000000	USD
CY2013	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	-1000000	USD
CY2014	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	-44000000	USD
CY2015	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	29000000	USD
CY2012Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	540000000	USD
CY2013Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	230000000	USD
CY2014Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	213000000	USD
CY2015Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	88000000	USD
CY2013	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	231000000	USD
CY2014	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	2000000	USD
CY2015	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	48000000	USD
CY2013	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	66000000	USD
CY2014	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	15000000	USD
CY2015	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	45000000	USD
CY2013	us-gaap	Unrecognized Tax Benefits Period Increase Decrease UnrecognizedTaxBenefitsPeriodIncreaseDecrease	-310000000	USD
CY2014	us-gaap	Unrecognized Tax Benefits Period Increase Decrease UnrecognizedTaxBenefitsPeriodIncreaseDecrease	-17000000	USD
CY2015	us-gaap	Unrecognized Tax Benefits Period Increase Decrease UnrecognizedTaxBenefitsPeriodIncreaseDecrease	-125000000	USD
CY2013	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	13000000	USD
CY2015	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	32000000	USD
CY2015Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	62000000	USD
CY2013	us-gaap	Unregulated Operating Revenue UnregulatedOperatingRevenue	1916000000	USD
CY2014	us-gaap	Unregulated Operating Revenue UnregulatedOperatingRevenue	1802000000	USD
CY2015	us-gaap	Unregulated Operating Revenue UnregulatedOperatingRevenue	1544000000	USD
CY2014Q4	us-gaap	Unsecured Debt UnsecuredDebt	12937000000	USD
CY2015Q4	us-gaap	Unsecured Debt UnsecuredDebt	13392000000	USD
CY2014Q1	us-gaap	Unusual Or Infrequent Item Net Of Insurance Proceeds UnusualOrInfrequentItemNetOfInsuranceProceeds	1436000000	USD
CY2014Q2	us-gaap	Unusual Or Infrequent Item Net Of Insurance Proceeds UnusualOrInfrequentItemNetOfInsuranceProceeds	61000000	USD
CY2014Q3	us-gaap	Unusual Or Infrequent Item Net Of Insurance Proceeds UnusualOrInfrequentItemNetOfInsuranceProceeds	-421000000	USD
CY2014Q4	us-gaap	Unusual Or Infrequent Item Net Of Insurance Proceeds UnusualOrInfrequentItemNetOfInsuranceProceeds	547000000	USD
CY2014	us-gaap	Unusual Or Infrequent Item Net Of Insurance Proceeds UnusualOrInfrequentItemNetOfInsuranceProceeds	1623000000	USD
CY2015Q1	us-gaap	Unusual Or Infrequent Item Net Of Insurance Proceeds UnusualOrInfrequentItemNetOfInsuranceProceeds	21000000	USD
CY2015Q2	us-gaap	Unusual Or Infrequent Item Net Of Insurance Proceeds UnusualOrInfrequentItemNetOfInsuranceProceeds	63000000	USD
CY2015Q3	us-gaap	Unusual Or Infrequent Item Net Of Insurance Proceeds UnusualOrInfrequentItemNetOfInsuranceProceeds	121000000	USD
CY2015Q4	us-gaap	Unusual Or Infrequent Item Net Of Insurance Proceeds UnusualOrInfrequentItemNetOfInsuranceProceeds	182000000	USD
CY2015	us-gaap	Unusual Or Infrequent Item Net Of Insurance Proceeds UnusualOrInfrequentItemNetOfInsuranceProceeds	387000000	USD
CY2013	us-gaap	Utilities Operating Expense Gas And Petroleum Purchased UtilitiesOperatingExpenseGasAndPetroleumPurchased	224000000	USD
CY2014	us-gaap	Utilities Operating Expense Gas And Petroleum Purchased UtilitiesOperatingExpenseGasAndPetroleumPurchased	248000000	USD
CY2015	us-gaap	Utilities Operating Expense Gas And Petroleum Purchased UtilitiesOperatingExpenseGasAndPetroleumPurchased	195000000	USD
CY2013	us-gaap	Utilities Operating Expense Maintenance Operations And Other Costs And Expenses UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses	5673000000	USD
CY2014	us-gaap	Utilities Operating Expense Maintenance Operations And Other Costs And Expenses UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses	5856000000	USD
CY2015	us-gaap	Utilities Operating Expense Maintenance Operations And Other Costs And Expenses UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses	5871000000	USD
CY2013	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	706000000	shares
CY2014	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	707000000	shares
CY2015	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	694000000	shares
CY2013	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	706000000	shares
CY2014	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	707000000	shares
CY2015	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	694000000	shares
CY2015	us-gaap	Guarantees Indemnifications And Warranties Policies GuaranteesIndemnificationsAndWarrantiesPolicies	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-bottom:10px;font-size:8pt;"><font style="font-family:Arial;font-size:8pt;font-weight:bold;">Guarantees</font></div><div style="line-height:120%;padding-bottom:10px;font-size:8pt;"><font style="font-family:Arial;font-size:8pt;">Liabilities are recognized at the time of issuance or material modification of a guarantee for the estimated fair value of the obligation it assumes. Fair value is estimated using a probability-weighted approach. The obligation is reduced over the term of the guarantee or related contract in a systematic and rational method as risk is reduced. Any additional contingent loss for guarantee contracts subsequent to the initial recognition of a liability is accounted for and recognized at the time a loss is probable and can be reasonably estimated. See Note </font><font style="font-family:Arial;font-size:8pt;">7</font><font style="font-family:Arial;font-size:8pt;"> for further information.</font></div></div>
CY2015	us-gaap	Nature Of Operations NatureOfOperations	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-bottom:10px;font-size:8pt;"><font style="font-family:Arial;font-size:8pt;font-weight:bold;">Nature of Operations and Basis of Consolidation</font></div><div style="line-height:120%;padding-bottom:10px;font-size:8pt;"><font style="font-family:Arial;font-size:8pt;">Duke Energy Corporation (collectively with its subsidiaries, Duke Energy) is an energy company headquartered in Charlotte, North Carolina, subject to regulation by the Federal Energy Regulatory Commission (FERC). Duke Energy operates in the United States (U.S.) and Latin America primarily through its direct and indirect subsidiaries. Duke Energy’s subsidiaries include its subsidiary registrants, Duke Energy Carolinas, LLC (Duke Energy Carolinas); Progress Energy, Inc. (Progress Energy); Duke Energy Progress, LLC (formerly Duke Energy Progress, Inc.) (Duke Energy Progress); Duke Energy Florida, LLC (formerly Duke Energy Florida, Inc.) (Duke Energy Florida); Duke Energy Ohio, Inc. (Duke Energy Ohio) and Duke Energy Indiana, Inc. (subsequently Duke Energy Indiana, LLC) (Duke Energy Indiana). When discussing Duke Energy’s consolidated financial information, it necessarily includes the results of its six separate subsidiary registrants (collectively referred to as the Subsidiary Registrants), which, along with Duke Energy, are collectively referred to as the Duke Energy Registrants (Duke Energy Registrants).</font></div><div style="line-height:120%;padding-bottom:10px;font-size:8pt;"><font style="font-family:Arial;font-size:8pt;">The information in these combined notes relate to each of the Duke Energy Registrants as noted in the Index to the Combined Notes to Consolidated Financial Statements. However, none of the registrants makes any representations as to information related solely to Duke Energy or the subsidiaries of Duke Energy other than itself.</font></div><div style="line-height:120%;padding-bottom:10px;font-size:8pt;"><font style="font-family:Arial;font-size:8pt;">These Consolidated Financial Statements include, after eliminating intercompany transactions and balances, the accounts of the Duke Energy Registrants and subsidiaries where the respective Duke Energy Registrants have control. These Consolidated Financial Statements also reflect the Duke Energy Registrants’ proportionate share of certain jointly owned generation and transmission facilities.</font></div><div style="line-height:120%;padding-bottom:10px;font-size:8pt;"><font style="font-family:Arial;font-size:8pt;">Duke Energy Carolinas is a regulated public utility primarily engaged in the generation, transmission, distribution and sale of electricity in portions of North Carolina and South Carolina. Duke Energy Carolinas is subject to the regulatory provisions of the North Carolina Utilities Commission (NCUC), Public Service Commission of South Carolina (PSCSC), U.S. Nuclear Regulatory Commission (NRC) and FERC. Substantially all of Duke Energy Carolinas’ operations qualify for regulatory accounting.</font></div><div style="line-height:120%;padding-bottom:10px;font-size:8pt;"><font style="font-family:Arial;font-size:8pt;">Progress Energy is a public utility holding company headquartered in Raleigh, North Carolina, subject to regulation by the FERC. Progress Energy conducts operations through its wholly owned subsidiaries, Duke Energy Progress and Duke Energy Florida. Substantially all of Progress Energy’s operations qualify for regulatory accounting.</font></div><div style="line-height:120%;padding-bottom:10px;font-size:8pt;"><font style="font-family:Arial;font-size:8pt;">Duke Energy Progress is a regulated public utility primarily engaged in the generation, transmission, distribution and sale of electricity in portions of North Carolina and South Carolina. Duke Energy Progress is subject to the regulatory provisions of the NCUC, PSCSC, NRC and FERC. Substantially all of Duke Energy Progress’ operations qualify for regulatory accounting. On August 1, 2015, Duke Energy Progress, a North Carolina corporation, converted into a North Carolina limited liability company.</font></div><div style="line-height:120%;padding-bottom:10px;font-size:8pt;"><font style="font-family:Arial;font-size:8pt;">Duke Energy Florida is a regulated public utility primarily engaged in the generation, transmission, distribution and sale of electricity in portions of Florida. Duke Energy Florida is subject to the regulatory provisions of the Florida Public Service Commission (FPSC), NRC and FERC. Substantially all of Duke Energy Florida’s operations qualify for regulatory accounting. On August 1, 2015, Duke Energy Florida, a Florida corporation, converted into a Florida limited liability company.</font></div><div style="line-height:120%;padding-bottom:10px;text-align:left;font-size:8pt;"><font style="font-family:Arial;font-size:8pt;">Duke Energy Ohio is a regulated public utility primarily engaged in the transmission and distribution of electricity in portions of Ohio and Kentucky, the generation and sale of electricity in portions of Kentucky and the transportation and sale of natural gas in portions of Ohio and Kentucky. Duke Energy Ohio also conducts competitive auctions for retail electricity supply in Ohio whereby recovery of the energy price is from retail customers and recorded in Operating Revenues on the Consolidated Statements of Operations and Comprehensive Income. Operations in Kentucky are conducted through its wholly owned subsidiary, Duke Energy Kentucky, Inc. (Duke Energy Kentucky). References herein to Duke Energy Ohio include Duke Energy Ohio and its subsidiaries, unless otherwise noted. Duke Energy Ohio is subject to the regulatory provisions of the Public Utilities Commission of Ohio (PUCO), Kentucky Public Service Commission (KPSC) and FERC. On April 2, 2015, Duke Energy completed the sale of its nonregulated Midwest generation business, which sold power into wholesale energy markets, to a subsidiary of Dynegy Inc. (Dynegy). For further information about the sale of the Midwest Generation business, refer to Note </font><font style="font-family:Arial;font-size:8pt;">2</font><font style="font-family:Arial;font-size:8pt;"> "Acquisitions and Dispositions." Substantially all of Duke Energy Ohio's operations that remain after the sale qualify for regulatory accounting.</font></div><div style="line-height:120%;padding-bottom:10px;font-size:8pt;"><font style="font-family:Arial;font-size:8pt;">Duke Energy Indiana is a regulated public utility primarily engaged in the generation, transmission, distribution and sale of electricity in portions of Indiana. Duke Energy Indiana is subject to the regulatory provisions of the Indiana Utility Regulatory Commission (IURC) and FERC. Substantially all of Duke Energy Indiana’s operations qualify for regulatory accounting.</font><font style="font-family:Arial;font-size:8pt;font-weight:bold;"> </font><font style="font-family:Arial;font-size:8pt;">On January 1, 2016, Duke Energy Indiana, an Indiana corporation, converted into an Indiana limited liability company.</font></div><div style="line-height:120%;padding-bottom:10px;font-size:8pt;"><font style="font-family:Arial;font-size:8pt;">Certain prior year amounts have been reclassified to conform to the current year presentation. </font></div></div>
CY2015	us-gaap	Use Of Estimates UseOfEstimates	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-bottom:10px;font-size:8pt;"><font style="font-family:Arial;font-size:8pt;font-weight:bold;">Use of Estimates</font></div><div style="line-height:120%;padding-bottom:10px;font-size:8pt;"><font style="font-family:Arial;font-size:8pt;">In preparing financial statements that conform to generally accepted accounting principles (GAAP) in the U.S., the Duke Energy Registrants must make estimates and assumptions that affect the reported amounts of assets and liabilities, the reported amounts of revenues and expenses and the disclosure of contingent assets and liabilities at the date of the financial statements. Actual results could differ from those estimates.</font></div></div>

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$DUK
Duke Energy CORP Stock $duk

2015 Form 10-K Financial Statement

#000132616016000221 Filed on February 25, 2016

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

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$DUK Duke Energy CORP Stock $duk

2015 Form 10-K Financial Statement

#000132616016000221 Filed on February 25, 2016

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$DUK
Duke Energy CORP Stock $duk