Accumulated Other Comprehensive Income (Details) - USD ($) $ in Millions	3 Months Ended
	Jun. 30, 2025	Mar. 31, 2025	Jun. 30, 2024	Mar. 31, 2024
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	$ 2,122	$ 2,142	$ 1,989	$ 1,983
Gain (loss) arising during the period	1	0	8	14
Reclassification to earnings	(8)	(8)	(10)	(9)
Effect of deferred taxes	2	2	0	(2)
Ending balance	2,148	2,122	2,040	1,989
Accumulated Other Comprehensive Income
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	29	35	53	50
Ending balance	24	29	51	53
Currency Translation Adjustments
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(10)	(10)	(8)	(7)
Gain (loss) arising during the period	2			(1)
Ending balance	(8)	(10)	(8)	(8)
Employee Benefit Plans
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	30	31	33	34
Reclassification to earnings	(2)	(1)	(2)	(1)
Ending balance	28	30	31	33
Derivative Instruments
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	9	14	28	23
Gain (loss) arising during the period	(1)		8	15
Reclassification to earnings	(6)	(7)	(8)	(8)
Effect of deferred taxes	2	2		(2)
Ending balance	$ 4	$ 9	$ 28	$ 28