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Derivative Instruments and Hedging Activities - Summary of Classification and Fair Values of Derivative Instruments (Detail) - USD ($)
$ in Millions
Sep. 30, 2020
Dec. 31, 2019
Designated as Hedging Instrument [Member] | Foreign Exchange Contract [Member] | Accounts Payable [Member]    
Derivative [Line Items]    
Liability derivatives $ 0  
Designated as Hedging Instrument [Member] | Foreign Exchange Contract [Member] | Other Current Assets [Member]    
Derivative [Line Items]    
Asset derivatives 0  
Designated as Hedging Instrument [Member] | Liabilities Derivatives - Interest Rate and Cross Currency Swaps [Member] | Accounts Payable [Member] | Net Investment Hedging [Member]    
Derivative [Line Items]    
Liability derivatives 0 $ (22)
Not Designated as Hedging Instrument [Member] | Foreign Exchange Contract [Member] | Accounts Payable [Member]    
Derivative [Line Items]    
Liability derivatives (67) (41)
Not Designated as Hedging Instrument [Member] | Foreign Exchange Contract [Member] | Other Current Assets [Member]    
Derivative [Line Items]    
Asset derivatives 36 $ 32
Not Designated as Hedging Instrument [Member] | Liabilities Derivatives - Interest Rate and Cross Currency Swaps [Member] | Accounts Payable [Member] | Net Investment Hedging [Member]    
Derivative [Line Items]    
Liability derivatives $ 0