Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
AOCI Attributable to Parent, Net of Tax
Balance at beginning of period			$ 196
Other comprehensive (loss) income, net of tax	$ (1)	$ 0	2	$ (2)
Balance at end of period	(88)	1,903	(88)	1,903
Total
AOCI Attributable to Parent, Net of Tax
Balance at beginning of period	(23)	(30)	(26)	(28)
Balance at end of period	(24)	(30)	(24)	(30)
Pension Plans
AOCI Attributable to Parent, Net of Tax
Balance at beginning of period			(1)	(1)
Other comprehensive (loss) income, net of tax			0	0
Balance at end of period	(1)	(1)	(1)	(1)
Foreign Currency Translation Adjustment and Other
AOCI Attributable to Parent, Net of Tax
Balance at beginning of period			(25)	(27)
Other comprehensive (loss) income, net of tax			2	(2)
Balance at end of period	$ (23)	$ (29)	$ (23)	$ (29)