Redeemable Noncontrolling Interests (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]
Balance at beginning			$ 35
Share of profit or loss attributable to redeemable noncontrolling interests	$ 2	$ 2	4	$ 4
Dividends paid	2		2
Exercises of redeemable noncontrolling interests	(1)		(5)
Balance at end	33		33
Redeemable Noncontrolling Interest
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]
Balance at beginning			105	98
Impact of foreign exchange translation			(1)	(1)
Share of profit or loss attributable to redeemable noncontrolling interests			2	3
Redemption value adjustment for the current period			(2)
Exercises of redeemable noncontrolling interests			18
Balance at end	$ 86	$ 100	$ 86	$ 100