Pension, Savings and Other Postretirement Benefit Plans - Funded Status Recognized in the Balance Sheet (Details) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024
Defined Benefit Plan Disclosure [Line Items]
Noncurrent liabilities	$ (787)	$ (789)
Pension Plans | U.S.
Defined Benefit Plan Disclosure [Line Items]
Noncurrent assets	117	140
Current liabilities	(4)	(38)
Noncurrent liabilities	(36)	(35)
Net amount recognized	77	67
Pension Plans | Non-U.S.
Defined Benefit Plan Disclosure [Line Items]
Noncurrent assets	186	182
Current liabilities	(24)	(25)
Noncurrent liabilities	(377)	(362)
Net amount recognized	(215)	(205)
Other Postretirement Benefits
Defined Benefit Plan Disclosure [Line Items]
Noncurrent assets	0	0
Current liabilities	(21)	(22)
Noncurrent liabilities	(210)	(210)
Net amount recognized	$ (231)	$ (232)