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Derivative Instruments and Hedging Activities - Summary of Classification and Fair Values of Derivative Instruments (Detail) - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019
Designated as Hedging Instrument [Member] | Foreign Exchange Contract [Member] | Other Non-current Assets [Member]
Derivative [Line Items]
Asset derivatives	$ 0
Designated as Hedging Instrument [Member] | Foreign Exchange Contract [Member] | Accounts Payable [Member]
Derivative [Line Items]
Liability derivatives	0
Designated as Hedging Instrument [Member] | Swap [Member] | Other Current Liabilities [Member] | Net Investment Hedging [Member]
Derivative [Line Items]
Liability derivatives		$ (22)
Designated as Hedging Instrument [Member] | Liabilities Derivatives - Interest Rate and Cross Currency Swaps [Member] | Net Investment Hedging [Member]
Derivative [Line Items]
Liability derivatives	0
Not Designated as Hedging Instrument [Member] | Foreign Exchange Contract [Member] | Accounts Payable [Member]
Derivative [Line Items]
Liability derivatives	(79)	(41)
Not Designated as Hedging Instrument [Member] | Foreign Exchange Contract [Member] | Other Current Assets [Member]
Derivative [Line Items]
Asset derivatives	$ 24	$ 32

X

- Definition

Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

+ References

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-Topic 210
-SubTopic 20
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- Definition

Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.

+ References

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