Quarterly report pursuant to Section 13 or 15(d)

Location on the Balance Sheet of Derivative Assets and Liabilities (Detail)

v3.3.0.814
Location on the Balance Sheet of Derivative Assets and Liabilities (Detail) - Fair Value, Inputs, Level 2 - USD ($)
$ in Millions
Sep. 30, 2015
Dec. 31, 2014
Asset Derivatives    
Asset Derivatives $ 817 $ 721
Derivative Asset, Fair Value, Net 797 686
Derivative Liabilities [Abstract]    
Liability Derivatives 77 77
Derivative Liability, Fair Value, Amount Offset Against Collateral 57 42
Designated as Hedging Instrument | Foreign Exchange Contracts | Other current assets    
Asset Derivatives    
Asset Derivatives 357 204
Derivative Asset, Fair Value, Net 357 204
Designated as Hedging Instrument | Foreign Exchange Contracts | Other noncurrent assets    
Asset Derivatives    
Asset Derivatives 109 229
Derivative Asset, Fair Value, Net 109 229
Designated as Hedging Instrument | Foreign Exchange Contracts | Other non-current liabilities    
Derivative Liabilities [Abstract]    
Liability Derivatives 0 34
Derivative Liability, Fair Value, Amount Offset Against Collateral 0 34
Designated as Hedging Instrument | Interest Rate Contracts | Other noncurrent assets    
Asset Derivatives    
Asset Derivatives 275 227
Derivative Asset, Fair Value, Net 262 194
Designated as Hedging Instrument | Interest Rate Contracts | Other non-current liabilities    
Derivative Liabilities [Abstract]    
Liability Derivatives 13 35
Derivative Liability, Fair Value, Amount Offset Against Collateral 0 2
Not Designated as Hedging Instrument | Foreign Exchange Contracts | Other current assets    
Asset Derivatives    
Asset Derivatives 5 2
Derivative Asset, Fair Value, Net 5 2
Not Designated as Hedging Instrument | Foreign Exchange Contracts | Other current liabilities    
Derivative Liabilities [Abstract]    
Liability Derivatives 3 0
Derivative Liability, Fair Value, Amount Offset Against Collateral 3 0
Not Designated as Hedging Instrument | Price Risk Derivative [Member] | Other current liabilities    
Derivative Liabilities [Abstract]    
Liability Derivatives 36 0
Derivative Liability, Fair Value, Amount Offset Against Collateral 36 0
Not Designated as Hedging Instrument | Interest Rate Contracts | Other noncurrent assets    
Asset Derivatives    
Asset Derivatives 71 59
Derivative Asset, Fair Value, Net 64 57
Not Designated as Hedging Instrument | Interest Rate Contracts | Other current liabilities    
Derivative Liabilities [Abstract]    
Liability Derivatives 0 1
Derivative Liability, Fair Value, Amount Offset Against Collateral 0 1
Not Designated as Hedging Instrument | Interest Rate Contracts | Other non-current liabilities    
Derivative Liabilities [Abstract]    
Liability Derivatives 25 7
Derivative Liability, Fair Value, Amount Offset Against Collateral $ 18 $ 5