Derivative and Other Financial Instruments - Net Investment Hedges (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Derivative [Line Items]
Amount of gain / (loss) recognized in AOCI			$ (48)	$ 70
Derivatives designated as net investment hedges \| Designated as Hedging Instrument \| Foreign exchange
Derivative [Line Items]
Amount of gain / (loss) recognized in AOCI	$ 37	$ 4	$ 39	$ 26

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

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