Commitments and Contingent Liabilities - Narrative (Details) $ in Millions	3 Months Ended				6 Months Ended		9 Months Ended	12 Months Ended
	Jun. 30, 2025 USD ($) claim	Sep. 30, 2024 USD ($)	Jun. 30, 2024 USD ($)	Mar. 31, 2024 USD ($)	Jun. 30, 2025 USD ($) claim	Jun. 30, 2024 USD ($)	Sep. 30, 2024 USD ($)	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2015 USD ($)
Loss Contingencies [Line Items]
Liability for anticipated environmental matters	$ 77				$ 77			$ 81
Liability for anticipated environment matters, current	22				22			24
Workers' compensation liability	158				158			158
Workers' compensation liability, current	29				29			31
Potential workers' compensation liability in excess of recorded amount	25				25
Limits of excess insurance policies								520
Goodyear net income	254	$ (37)	$ 79	$ (69)	369	$ 10	$ (27)	46	$ (729)	$ 191
Deferred tax asset											$ 315
Off-balance sheet financial guarantees and other commitments	29				29			29
TireHub | Related Party
Loss Contingencies [Line Items]
Financing receivable, joint venture, face amount	130				130
Carrying value of net investment	83				83			110
Loans receivable, related parties	117				117			119
Interest receivable	$ 2				$ 2			2
Ownership percentage in equity method investment	50.00%				50.00%
Revision
Loss Contingencies [Line Items]
Goodyear net income		$ (3)	$ (6)	$ (12)		$ (18)	$ (21)	(24)	$ (40)	$ (11)	$ 1,500
Accounts receivable | Sumitomo Rubber Industries
Loss Contingencies [Line Items]
Indemnification asset	$ 4				$ 4
Other Assets | Sumitomo Rubber Industries
Loss Contingencies [Line Items]
Indemnification asset	2				2
General Product Liability
Loss Contingencies [Line Items]
Loss contingency accrual product liability net	415				415			406
General Product Liability | Other current liabilities
Loss Contingencies [Line Items]
Loss contingency accrual product liability net	85				85			60
Asbestos Related Product Liability
Loss Contingencies [Line Items]
Loss contingency accrual product liability net	$ 116				$ 116			115
Asbestos claims dismissed to date (in claims) | claim	164,100				164,100
Accrued asbestos-related liability and gross payments to date	$ 597				$ 597			589
Product liability contingency, evaluation period					10 years
Asbestos claims receivable	$ 64				$ 64			63
Expected percentage of asbestos claim related losses recoverable through insurance	55.00%				55.00%
Asbestos claims receivable, current	$ 11				$ 11			$ 11
Workers' Compensation Claims
Loss Contingencies [Line Items]
Guarantee issued	$ 15				$ 15							$ 46