Derivative and Other Financial Instruments - Schedule of Net Investment Hedges (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Foreign Exchange \| Derivatives designated as net investment hedges \| Designated as Hedging Instrument
Derivative [Line Items]
Amount of gain / (loss) recognized in AOCI	$ 14	$ 36	$ (5)	$ 75

Amount after tax of other comprehensive income (loss) attributable to parent entity.

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