XML 76 R66.htm IDEA: XBRL DOCUMENT v3.8.0.1
Derivative Instruments and Hedging Activities - Summary of Classification and Fair Values of Derivative Instruments (Detail) - USD ($)
$ in Millions
Mar. 31, 2018
Dec. 31, 2017
Designated as Hedging Instrument [Member] | Swap [Member] | Accounts Payable [Member] | Cash Flow Hedge [Member]    
Derivative [Line Items]    
Asset derivatives $ 4 $ 25
Designated as Hedging Instrument [Member] | Swap [Member] | Other Current Liabilities [Member] | Fair Value Hedge [Member]    
Derivative [Line Items]    
Liability derivatives (16) (2)
Designated as Hedging Instrument [Member] | Liabilities Derivatives - Interest Rate and Cross Currency Swaps [Member] | Accounts Payable [Member]    
Derivative [Line Items]    
Liability derivatives (125) (96)
Not Designated as Hedging Instrument [Member] | Foreign Exchange Contract [Member] | Other Non-current Assets [Member]    
Derivative [Line Items]    
Asset derivatives 15 17
Not Designated as Hedging Instrument [Member] | Foreign Exchange Contract [Member] | Accounts Payable [Member]    
Derivative [Line Items]    
Liability derivatives $ (18) $ (15)