Fair Value Measurements and Financial Instruments - Schedule of Gain (Loss) Included in OCI (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Cash flow hedges [Abstract]
Gain (loss) recognized in OCI	$ 58	$ 53
Foreign Currency Contracts
Cash flow hedges [Abstract]
Gain (loss) recognized in OCI	(6)	6
Net investment hedges [Abstract]
Gain (loss) on instruments	(6)	23
Gain (loss) on hedged items	6	(23)
Forward-starting interest rate swaps
Cash flow hedges [Abstract]
Gain (loss) recognized in OCI	57	46
Commodity Contracts
Cash flow hedges [Abstract]
Gain (loss) recognized in OCI	7	1
Foreign Currency Debt
Net investment hedges [Abstract]
Gain (loss) on instruments	64	211
Gain (loss) on hedged items	$ (64)	$ (211)