Benefit Obligations - Schedule of Defined Benefit Plans Disclosures (Details) - USD ($) $ in Millions	Sep. 30, 2025	Dec. 31, 2024
Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Noncurrent Other assets	$ 148	$ 135
Current Other liabilities	(22)	(22)
Benefit obligations	(365)	(358)
Net amount recognized	(239)	(245)
Post-retirement Benefits
Defined Benefit Plan Disclosure [Line Items]
Noncurrent Other assets	0	0
Current Other liabilities	(4)	(3)
Benefit obligations	(33)	(31)
Net amount recognized	$ (37)	$ (34)