Quarterly report pursuant to Section 13 or 15(d)

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

v3.10.0.1
Location on the Balance Sheet of Derivative Assets and Liabilities (Detail) - Fair Value, Inputs, Level 2 - USD ($)
$ in Millions
Sep. 30, 2018
Dec. 31, 2017
Asset Derivatives    
Asset Derivatives $ 196 $ 107
Net Amounts if Right of Offset had been Applied 134 87
Derivative Liabilities [Abstract]    
Liability Derivatives 136 332
Net Amounts if Right of Offset had been Applied 74 312
Designated as Hedging Instrument | Foreign exchange contracts | Other current assets    
Asset Derivatives    
Asset Derivatives 63 2
Net Amounts if Right of Offset had been Applied 39 0
Designated as Hedging Instrument | Foreign exchange contracts | Other non-current assets    
Asset Derivatives    
Asset Derivatives 96 1
Net Amounts if Right of Offset had been Applied 66 0
Designated as Hedging Instrument | Foreign exchange contracts | Other current liabilities    
Derivative Liabilities [Abstract]    
Liability Derivatives 30 93
Net Amounts if Right of Offset had been Applied 6 91
Designated as Hedging Instrument | Foreign exchange contracts | Other non-current liabilities    
Derivative Liabilities [Abstract]    
Liability Derivatives 39 194
Net Amounts if Right of Offset had been Applied 9 193
Designated as Hedging Instrument | Interest rate contracts | Other current assets    
Asset Derivatives    
Asset Derivatives 4 1
Net Amounts if Right of Offset had been Applied 4 1
Designated as Hedging Instrument | Interest rate contracts | Other non-current assets    
Asset Derivatives    
Asset Derivatives 9 59
Net Amounts if Right of Offset had been Applied 2 43
Designated as Hedging Instrument | Interest rate contracts | Other non-current liabilities    
Derivative Liabilities [Abstract]    
Liability Derivatives 65 28
Net Amounts if Right of Offset had been Applied 58 12
Not Designated as Hedging Instrument | Foreign exchange contracts | Other current assets    
Asset Derivatives    
Asset Derivatives 3 18
Net Amounts if Right of Offset had been Applied 3 17
Not Designated as Hedging Instrument | Foreign exchange contracts | Other non-current assets    
Asset Derivatives    
Asset Derivatives 1 0
Net Amounts if Right of Offset had been Applied 0 0
Not Designated as Hedging Instrument | Foreign exchange contracts | Other current liabilities    
Derivative Liabilities [Abstract]    
Liability Derivatives 1 1
Net Amounts if Right of Offset had been Applied 1 0
Not Designated as Hedging Instrument | Foreign exchange contracts | Other non-current liabilities    
Derivative Liabilities [Abstract]    
Liability Derivatives 1 0
Net Amounts if Right of Offset had been Applied 0 0
Not Designated as Hedging Instrument | Interest rate contracts | Other non-current assets    
Asset Derivatives    
Asset Derivatives 20 26
Net Amounts if Right of Offset had been Applied 20 26
Not Designated as Hedging Instrument | Investment market price contracts | Other current liabilities    
Derivative Liabilities [Abstract]    
Liability Derivatives 0 16
Net Amounts if Right of Offset had been Applied $ 0 $ 16