Quarterly report pursuant to Section 13 or 15(d)

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

v3.5.0.2
Location on the Balance Sheet of Derivative Assets and Liabilities (Detail) - Fair Value, Inputs, Level 2 - USD ($)
$ in Millions
Jun. 30, 2016
Dec. 31, 2015
Asset Derivatives    
Asset Derivatives $ 888 $ 768
Derivative Asset, Fair Value, Net 856 738
Derivative Liabilities [Abstract]    
Liability Derivatives 85 53
Derivative Liability, Fair Value, Amount Offset Against Collateral 53 23
Designated as Hedging Instrument | Foreign Exchange Contracts | Other current assets    
Asset Derivatives    
Asset Derivatives 245 408
Derivative Asset, Fair Value, Net 244 408
Designated as Hedging Instrument | Foreign Exchange Contracts | Other noncurrent assets    
Asset Derivatives    
Asset Derivatives 71 92
Derivative Asset, Fair Value, Net 66 92
Designated as Hedging Instrument | Foreign Exchange Contracts | Other current liabilities    
Derivative Liabilities [Abstract]    
Liability Derivatives 4 0
Derivative Liability, Fair Value, Amount Offset Against Collateral 2 0
Designated as Hedging Instrument | Foreign Exchange Contracts | Other non-current liabilities    
Derivative Liabilities [Abstract]    
Liability Derivatives 13 0
Derivative Liability, Fair Value, Amount Offset Against Collateral 9 0
Designated as Hedging Instrument | Interest Rate Contracts | Other noncurrent assets    
Asset Derivatives    
Asset Derivatives 312 204
Derivative Asset, Fair Value, Net 297 185
Designated as Hedging Instrument | Interest Rate Contracts | Other non-current liabilities    
Derivative Liabilities [Abstract]    
Liability Derivatives 15 19
Derivative Liability, Fair Value, Amount Offset Against Collateral 0 0
Not Designated as Hedging Instrument | Foreign Exchange Contracts | Other current assets    
Asset Derivatives    
Asset Derivatives 1 2
Derivative Asset, Fair Value, Net 0 0
Not Designated as Hedging Instrument | Foreign Exchange Contracts | Other current liabilities    
Derivative Liabilities [Abstract]    
Liability Derivatives 15 12
Derivative Liability, Fair Value, Amount Offset Against Collateral 14 10
Not Designated as Hedging Instrument | Price Risk Derivative [Member] | Other current assets    
Asset Derivatives    
Asset Derivatives 181 5
Derivative Asset, Fair Value, Net 181 0
Not Designated as Hedging Instrument | Price Risk Derivative [Member] | Other current liabilities    
Derivative Liabilities [Abstract]    
Liability Derivatives 0 9
Derivative Liability, Fair Value, Amount Offset Against Collateral 0 4
Not Designated as Hedging Instrument | Interest Rate Contracts | Other noncurrent assets    
Asset Derivatives    
Asset Derivatives 78 57
Derivative Asset, Fair Value, Net 68 53
Not Designated as Hedging Instrument | Interest Rate Contracts | Other non-current liabilities    
Derivative Liabilities [Abstract]    
Liability Derivatives 38 13
Derivative Liability, Fair Value, Amount Offset Against Collateral $ 28 $ 9