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
Sep. 30, 2016
Dec. 31, 2015
Asset Derivatives    
Asset Derivatives $ 686 $ 768
Derivative Asset, Fair Value, Net 655 738
Derivative Liabilities [Abstract]    
Liability Derivatives 69 53
Derivative Liability, Fair Value, Amount Offset Against Collateral 38 23
Designated as Hedging Instrument | Foreign Exchange Contracts | Other current assets    
Asset Derivatives    
Asset Derivatives 174 408
Derivative Asset, Fair Value, Net 173 408
Designated as Hedging Instrument | Foreign Exchange Contracts | Other noncurrent assets    
Asset Derivatives    
Asset Derivatives 37 92
Derivative Asset, Fair Value, Net 31 92
Designated as Hedging Instrument | Foreign Exchange Contracts | Other current liabilities    
Derivative Liabilities [Abstract]    
Liability Derivatives 2 0
Derivative Liability, Fair Value, Amount Offset Against Collateral 1 0
Designated as Hedging Instrument | Foreign Exchange Contracts | Other non-current liabilities    
Derivative Liabilities [Abstract]    
Liability Derivatives 19 0
Derivative Liability, Fair Value, Amount Offset Against Collateral 13 0
Designated as Hedging Instrument | Interest Rate Contracts | Other noncurrent assets    
Asset Derivatives    
Asset Derivatives 254 204
Derivative Asset, Fair Value, Net 238 185
Designated as Hedging Instrument | Interest Rate Contracts | Other non-current liabilities    
Derivative Liabilities [Abstract]    
Liability Derivatives 16 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 1 0
Not Designated as Hedging Instrument | Foreign Exchange Contracts | Other current liabilities    
Derivative Liabilities [Abstract]    
Liability Derivatives 2 12
Derivative Liability, Fair Value, Amount Offset Against Collateral 2 10
Not Designated as Hedging Instrument | Price Risk Derivative [Member] | Other current assets    
Asset Derivatives    
Asset Derivatives 153 5
Derivative Asset, Fair Value, Net 153 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 67 57
Derivative Asset, Fair Value, Net 59 53
Not Designated as Hedging Instrument | Interest Rate Contracts | Other non-current liabilities    
Derivative Liabilities [Abstract]    
Liability Derivatives 30 13
Derivative Liability, Fair Value, Amount Offset Against Collateral $ 22 $ 9