Pension and Other Postretirement Benefits - Narrative (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
	Jun. 30, 2025	Sep. 30, 2025
Retirement Benefits [Abstract]
Proceeds from repayment of pension contributions		$ 24
Pension Plan | Non U.S.
Defined Benefit Plan Disclosure [Line Items]
Amount of irrevocable transfer	$ 120
Settlement charge	48
Pension Plan | U.S.
Defined Benefit Plan Disclosure [Line Items]
Amount of irrevocable transfer	740
Settlement charge	$ 469