Nominal or face amount used to calculate payments on the derivative asset.

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Fair value, after the 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 not subject to a master netting arrangement and not elected to be offset.

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Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

+ References

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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- Definition

Number of foreign currency exchange rate derivatives held by the entity at the reporting date.

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Maturity period of swap contracts.

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Fair Value Measurements - Narrative (Details) $ in Millions	3 Months Ended
Fair Value Measurements - Narrative (Details) $ in Millions	Mar. 31, 2021 USD ($) contract	Mar. 31, 2020 USD ($)	Dec. 31, 2020 USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
(Losses) and gains on derivative financial instruments recognized in other non-operating items	$ 3	$ 2
Foreign exchange swaps \| Maximum
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Maturity period of swap contracts	6 months
Foreign exchange swaps \| Maturity Beyond Six Months
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Number of foreign currency derivatives held \| contract	0
Foreign exchange forward contracts
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Notional value	$ 138		$ 179
Derivative asset	$ 2		$ 1