Pensions and Other Postretirement Benefits (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Contributions to defined benefit pension plans	$ 6	$ 5	$ 13	$ 5
Foreign Plan
Defined Benefit Plan Disclosure [Line Items]
Contributions to defined benefit pension plans	$ 0	$ 0	$ 1	$ 2