Other Assets and Investments (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Accounts Notes And Loans Receivable [Line Items]
Dividends received from consolidated subsidiaries	$ 117	$ 131	$ 150
Dividends received from affiliates accounted for using the equity method	33	7	19
Net income (loss)	(1,700)	35	$ (731)
Tire Hub Limited
Accounts Notes And Loans Receivable [Line Items]
Net income (loss)	(41)	(35)
ACTR Company Lltd
Accounts Notes And Loans Receivable [Line Items]
Net income (loss)	$ 14	8
TireHub
Accounts Notes And Loans Receivable [Line Items]
Equity ownership percentage	50.00%
TireHub | Other Assets
Accounts Notes And Loans Receivable [Line Items]
Equity method investments	$ 44	110
Loan receivable, outstanding	$ 103	119
ACTR Company Limited
Accounts Notes And Loans Receivable [Line Items]
Equity ownership percentage	35.00%
ACTR Company Limited | Cooper Tire
Accounts Notes And Loans Receivable [Line Items]
Equity stake acquired	35.00%
Value of joint venture acquired	$ 74	$ 84