Other Expense, Net (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Other Income and Expenses [Abstract]
Non-service costs - pension and other postretirement benefits (F)	$ 8	$ 6
Interest income	(10)	(4)
Foreign currency losses, net	1	0
Net realized and unrealized losses	4	5
Deferred compensation	(1)	2
Total other expense, net	$ 2	$ 9