Pension, Savings and Other Postretirement Benefit Plans - Selected Pension Plan Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Minimum
Plans not fully-funded:
Expected contribution to funded non-U.S. pension plans in next year	$ 25
Maximum
Plans not fully-funded:
Expected contribution to funded non-U.S. pension plans in next year	50
U.S. | Defined Benefit Plan, Underfunded Plan
All plans:
Accumulated benefit obligation	2,958	$ 3,374
Plans not fully-funded:
Projected benefit obligation	208	72
Accumulated benefit obligation	202	66
Fair value of plan assets	169	0
Non-U.S. | Defined Benefit Plan, Underfunded Plan
All plans:
Accumulated benefit obligation	2,133	2,062
Plans not fully-funded:
Projected benefit obligation	545	515
Accumulated benefit obligation	513	482
Fair value of plan assets	144	130
Non-U.S. | Defined Benefit Plan, Unfunded Plan
All plans:
Accumulated benefit obligation	187	168
Plans not fully-funded:
Projected benefit obligation	216	197
AOCL adjustment	$ 11	$ 15