Income Taxes - Reconciliation of the Beginning and Ending Amount of Gross Unrecognized Tax Benefits (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Tax Disclosure [Abstract]
Balance, beginning of year	$ 157	$ 144	$ 144
Increases to tax positions related to the current year	8	5	5
Increases to tax positions related to the prior year	17	29	1
Decreases due to lapsed statute of limitations		(20)
Decreases due to tax positions related to the prior year	(6)	(1)
Settlements during current year	(40)		(6)
Balance, end of year	$ 136	$ 157	$ 144