Other Expense, Net - Other Expense, Net (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Other Income and Expenses [Abstract]
Non-service costs - pension and other postretirement benefits (E)	$ 6	$ 7
Interest income	(4)	(5)
Foreign currency losses, net	0	3
Net realized and unrealized losses	5	7
Deferred compensation	2	5
Total other expense, net	$ 9	$ 17