Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	$ 733	$ 144	$ 472	$ (70)
Other comprehensive (loss) income, pretax	(2)	41	75	(30)
Tax	0	0	0	0
Other comprehensive loss, net of taxes	(2)	41	75	(30)
Ending balance	906	493	906	493
Accumulated Other Comprehensive Income (Loss)
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	(572)	(612)	(649)	(541)
Ending balance	(574)	(571)	(574)	(571)
Employee Benefit Plans
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	(17)	(14)	(17)	(15)
Other comprehensive (loss) income, pretax	0	(1)	0	0
Tax	0	0	0	0
Other comprehensive loss, net of taxes	0	(1)	0	0
Ending balance	(17)	(15)	(17)	(15)
Cumulative Translation Adjustment
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	(555)	(598)	(632)	(526)
Other comprehensive (loss) income, pretax	(2)	42	75	(30)
Tax	0	0	0	0
Other comprehensive loss, net of taxes	(2)	42	75	(30)
Ending balance	$ (557)	$ (556)	$ (557)	$ (556)