Basis of Presentation - Changes in Redeemable Non-Controlling Interests (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Increase (Decrease) in Temporary Equity [Roll Forward]
Opening Balance	$ 255	$ 307	$ 253	$ 320
Net (loss) attributable to redeemable non-controlling interests	(1)	(4)	(3)	(15)
Currency translation adjustments and other	(5)	(1)	(1)	(3)
Closing Balance	$ 249	$ 302	$ 249	$ 302