Income Taxes - Schedule of Reconciliation of Unrecognized Tax Benefits (Excluding Interest and Penalties) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Balance at beginning of year	$ 2	$ 2	$ 2
Additions for tax positions of the current year	1	0	0
Additions for tax positions of prior years	13	0	0
Balance at end of year	$ 16	$ 2	$ 2