Unrealized Tax Benefits (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Statement of Financial Position [Abstract]
Unrecognized tax benefit — Permanent tax positions	$ 7	$ 5
Reductions for tax positions of prior years	0	(1)	$ (5)
Tax credit carryforwards	(4)	(4)
Payable for interest related to unrecognized tax benefits	(1)	0	0	$ 0
Unrecognized Tax Benefits, Interest on Income Taxes Expense	(1)	0	0
Unrecognized Tax Benefits, Income Tax Penalties Expense		0	0
Additions based on tax positions related to the current year	0	1	1
Unrecognized tax benefit — Temporary tax positions	0	0
Balance at Dec. 31	7	5	5	$ 9
Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions	$ 2	$ 0	$ 0