Other (Income) Expense - Narrative (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Schedule Of Other Income and Expenses [Line Items]
Pension settlement (credit) charge		$ 4
Net foreign currency exchange gains (losses)	$ 7	4
Royalty and other income	21	11
OTR
Schedule Of Other Income and Expenses [Line Items]
Royalty and other income	15	5
Euro
Schedule Of Other Income and Expenses [Line Items]
Net foreign currency exchange gains (losses)	$ 5	$ 4