Income Taxes - Uncertain Tax Positions (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Unrecognized Tax Benefits [Roll Forward]
Beginning balance	$ 425	$ 379	$ 349
Increases to tax positions related to the current year	18	19	23
Increases to tax positions related to prior years	4	4	5
Decreases to tax positions related to prior years	(3)	0	0
Settlements during current year	(3)	(1)	(8)
Interest and penalties	27	24	10
Ending balance	$ 468	$ 425	$ 379