Income Taxes - Unrecognized Tax Benefits Activity (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Unrecognized Tax Benefits [Roll Forward]
Beginning balance	$ 86	$ 63	$ 70
Additions to prior years' tax positions	0	22	0
Reductions to prior years' tax positions	(8)	0	(6)
Additions to current year tax positions	6	9	0
Changes in tax positions due to lapse of statutory limitations	(4)	(8)	(2)
Foreign currency translation, decrease	(2)
Foreign currency translation, increase		0	1
Ending balance	$ 78	$ 86	$ 63