Gain (Loss) On Financial Instruments, Net [Abstract]

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

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Nominal or face amount used to calculate payment on derivative.

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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.

+ References

No definition available.

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Amount before tax of foreign currency transaction realized gain (loss) recognized in the income statement.

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Aggregate net gain (loss) on all derivative instruments recognized in earnings during the period, before tax effects.

+ References

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Amount of gain (loss) recognized in earnings in the period from the increase (decrease) in fair value of foreign currency derivatives not designated as hedging instruments.

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Accounting for Derivative Instruments and Hedging Activities (Details) £ in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2022 USD ($)	Mar. 31, 2021 USD ($)	Mar. 31, 2022 GBP (£)	Mar. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Gain (Loss) On Financial Instruments, Net
Change in fair value of cross-currency derivative instruments	$ (36)	$ 63
Foreign currency remeasurement of Sterling Notes to U.S. dollars	50	(15)
Gain (loss) on financial instruments, net	$ 14	$ 48
Cross Currency Derivatives
Derivatives:
Notional amount \| £			£ 1,275
Level 2 \| Cross Currency Derivatives
Derivatives:
Derivative Liability				$ 326	$ 290