v3.26.1
Earnings Per Share - Schedule of Basic and Diluted Earnings per Common Share (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Earnings (loss) per share — basic:        
Goodyear net income (loss) $ (204) $ 254 $ (453) $ 369
Weighted average shares outstanding (in shares) 289 287 289 287
Earnings (loss) per common share — basic (in dollars per share) $ (0.71) $ 0.88 $ (1.57) $ 1.28
Earnings (loss) per share — diluted:        
Goodyear net income (loss) $ (204) $ 254 $ (453) $ 369
Weighted average shares outstanding (in shares) 289 287 289 287
Dilutive effect of stock options and other dilutive securities (in shares) 0 3 0 3
Weighted average shares outstanding — diluted (in shares) 289 290 289 290
Earnings (loss) per common share — diluted (in dollars per share) $ (0.71) $ 0.87 $ (1.57) $ 1.27