Goodwill and Intangible Assets - Narrative (Details) - USD ($) $ in Millions		3 Months Ended	12 Months Ended
	Oct. 31, 2025	Sep. 30, 2025	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Goodwill [Line Items]
Amortization of intangible assets			$ 30	$ 32	$ 33
2026			30
2027			27
2028			27
2029			27
2030			27
Impairment loss on goodwill		$ 674	$ 674	$ 0
Intangible assets with indefinite-lives impairment loss	$ 0
Cooper Tire Acquisition
Goodwill [Line Items]
Indefinite-lived intangible asset	$ 435