Pension and Other Postretirement Employee Benefit Plans (PBO) (Details) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024
Pension Benefits | U.S. Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
PBO	$ 84	$ 85
Fair value of plan assets	0	0
Pension Benefits | Foreign Plan
Defined Benefit Plan Disclosure [Line Items]
PBO	958	865
Fair value of plan assets	316	276
Postretirement Benefits
Defined Benefit Plan Disclosure [Line Items]
PBO	90	92
Fair value of plan assets	$ 0	$ 0