Revision Of Previously Issued Financial Statements (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Income Statement And Statement Of Comprehensive Income [Abstract]
Cost of Goods Sold	$ 14,909	$ 15,192	$ 16,582
Foreign currency translation adjustment, before tax	288	134	231
Net Income (Loss)	(1,700)	35	(731)
Minority Shareholders’ Net Income (Loss)	21	(11)	(2)
Goodyear Net Income (Loss)	(1,721)	46	(729)
Comprehensive Income (Loss)	(1,433)	25	(687)
Comprehensive Income (Loss) Attributable to Minority Shareholders	32	(12)	2
Goodyear Comprehensive Income (Loss)	$ (1,465)	$ 37	$ (689)
Basic EPS (in dollars per share)	$ (5.99)	$ 0.16	$ (2.56)
Diluted EPS (in dollars per share)	$ (5.99)	$ 0.16	$ (2.56)
Net (gain) loss on asset sales	$ (816)	$ (93)	$ (104)
Statement Of Financial Position And Statement Of Stockholders' Equity [Abstract]
Inventories	3,572	3,554
Total Current Assets	7,218	7,589
Total Assets	18,208	20,921
Accounts Payable — Trade	3,879	4,092
Total Current Liabilities	6,782	7,377
Total Liabilities	14,805	16,098
Retained Earnings	3,360	5,081
Goodyear Shareholders' Equity	3,233	4,681
Minority Shareholders' Equity	170	142
Total Shareholders’ Equity	3,403	4,823	4,779	$ 5,452
Total Liabilities and Shareholders' Equity	$ 18,208	20,921
As reported
Income Statement And Statement Of Comprehensive Income [Abstract]
Cost of Goods Sold		15,176	16,557
Foreign currency translation adjustment, before tax		125	212
Net Income (Loss)		60	(687)
Minority Shareholders’ Net Income (Loss)		(10)	2
Goodyear Net Income (Loss)		70	(689)
Comprehensive Income (Loss)		50	(643)
Comprehensive Income (Loss) Attributable to Minority Shareholders		(11)	6
Goodyear Comprehensive Income (Loss)		$ 61	$ (649)
Basic EPS (in dollars per share)		$ 0.24	$ (2.42)
Diluted EPS (in dollars per share)		$ 0.24	$ (2.42)
Net (gain) loss on asset sales		$ (93)	$ (104)
Statement Of Financial Position And Statement Of Stockholders' Equity [Abstract]
Inventories		3,597
Total Current Assets		7,632
Total Assets		20,964
Accounts Payable — Trade		4,052
Total Current Liabilities		7,337
Total Liabilities		16,058
Retained Earnings		5,156
Goodyear Shareholders' Equity		4,756
Minority Shareholders' Equity		150
Total Shareholders’ Equity		4,906
Total Liabilities and Shareholders' Equity		20,964
Revision
Income Statement And Statement Of Comprehensive Income [Abstract]
Cost of Goods Sold		16	25
Foreign currency translation adjustment, before tax		9	19
Net Income (Loss)		(25)	(44)
Minority Shareholders’ Net Income (Loss)		(1)	(4)
Goodyear Net Income (Loss)		(24)	(40)
Comprehensive Income (Loss)		(25)	(44)
Comprehensive Income (Loss) Attributable to Minority Shareholders		(1)	(4)
Goodyear Comprehensive Income (Loss)		$ (24)	$ (40)
Basic EPS (in dollars per share)		$ (0.08)	$ (0.14)
Diluted EPS (in dollars per share)		$ (0.08)	$ (0.14)
Statement Of Financial Position And Statement Of Stockholders' Equity [Abstract]
Inventories		$ (43)
Total Current Assets		(43)
Total Assets		(43)
Accounts Payable — Trade		40
Total Current Liabilities		40
Total Liabilities		40
Retained Earnings		(75)
Goodyear Shareholders' Equity		(75)
Minority Shareholders' Equity		(8)
Total Shareholders’ Equity		(83)
Total Liabilities and Shareholders' Equity		$ (43)