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Derivative Financial Instruments - Derivative Instruments and their Balance Sheet Classifications (Detail) - USD ($)
$ in Millions
Mar. 31, 2020
Dec. 31, 2019
Derivatives, Fair Value [Line Items]    
Asset Derivatives $ 27 $ 18
Liability Derivatives 118 26
Designated as Hedging Instruments [Member]    
Derivatives, Fair Value [Line Items]    
Asset Derivatives 10 9
Liability Derivatives 86 20
Not Designated as Hedging Instruments [Member]    
Derivatives, Fair Value [Line Items]    
Asset Derivatives 17 9
Liability Derivatives 32 6
Foreign Exchange Contracts [Member] | Designated as Hedging Instruments [Member] | Accrued liabilities [Member]    
Derivatives, Fair Value [Line Items]    
Liability Derivatives 65 18
Foreign Exchange Contracts [Member] | Not Designated as Hedging Instruments [Member] | Accrued liabilities [Member]    
Derivatives, Fair Value [Line Items]    
Liability Derivatives 32 6
Foreign Exchange Contracts [Member] | Prepaid and Other Current Assets [Member] | Designated as Hedging Instruments [Member]    
Derivatives, Fair Value [Line Items]    
Asset Derivatives 7 5
Foreign Exchange Contracts [Member] | Prepaid and Other Current Assets [Member] | Not Designated as Hedging Instruments [Member]    
Derivatives, Fair Value [Line Items]    
Asset Derivatives 15 8
Foreign Exchange Contracts [Member] | Other Assets [Member] | Designated as Hedging Instruments [Member]    
Derivatives, Fair Value [Line Items]    
Asset Derivatives 3 4
Foreign Exchange Contracts [Member] | Other Assets [Member] | Not Designated as Hedging Instruments [Member]    
Derivatives, Fair Value [Line Items]    
Asset Derivatives 2 1
Foreign Exchange Contracts [Member] | Other Liabilities [Member] | Designated as Hedging Instruments [Member]    
Derivatives, Fair Value [Line Items]    
Liability Derivatives $ 21 $ 2