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Derivative Instruments and Hedging Activities - Summary of Classification and Fair Values of Derivative Instruments (Detail) - USD ($) $ in Millions | Dec. 31, 2019 | Dec. 31, 2018
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Designated as Hedging Instrument [Member] | Swap [Member] | Other Non-current Assets [Member] | Net Investment Hedging [Member] |  |
Derivative [Line Items] |  |
Liability derivatives | $ (22) |
Designated as Hedging Instrument [Member] | Swap [Member] | Accounts Payable [Member] | Cash Flow Hedge [Member] |  |
Derivative [Line Items] |  |
Asset derivatives | 0 | $ 58
Designated as Hedging Instrument [Member] | Swap [Member] | Other Current Liabilities [Member] | Fair Value Hedge [Member] |  |
Derivative [Line Items] |  |
Liability derivatives |  | (9)
Designated as Hedging Instrument [Member] | Liabilities Derivatives - Interest Rate and Cross Currency Swaps [Member] | Accounts Payable [Member] |  |
Derivative [Line Items] |  |
Liability derivatives |  | (41)
Not Designated as Hedging Instrument [Member] | Foreign Exchange Contract [Member] | Accounts Payable [Member] |  |
Derivative [Line Items] |  |
Liability derivatives | (41) | (26)
Not Designated as Hedging Instrument [Member] | Foreign Exchange Contract [Member] | Other Current Assets [Member] |  |
Derivative [Line Items] |  |
Asset derivatives | $ 32 | $ 18

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