Income Taxes - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Tax Credit Carryforward [Line Items]
Unrecognized tax benefits	$ 6	$ 0	$ 0
Additions for tax positions taken in prior years	6
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	7	0	$ 0
Unrecognized Tax Benefits, Including Interest and Penalties	7
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	1
Federal
Tax Credit Carryforward [Line Items]
Operating loss carryforwards	354	484
Operating loss carryforwards, valuation allowance	7	7
State
Tax Credit Carryforward [Line Items]
Operating loss carryforwards, valuation allowance	$ 0	$ 0