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Earnings Per Share - Basic and Diluted Earnings per Common Share (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Earnings (loss) per share — basic:    
Goodyear net income (loss) $ 12 $ (619)
Weighted Average Shares Outstanding (in shares) 235 234
Earnings (loss) per common share-basic (in dollars per share) $ 0.05 $ (2.65)
Earnings (loss) per share — diluted:    
Goodyear net income (loss) $ 12 $ (619)
Weighted Average Shares Outstanding (in shares) 235 234
Dilutive effect of stock options and other dilutive securities (in shares) 3 0
Weighted average shares outstanding — diluted (in shares) 238 234
Earnings (loss) per common share-diluted (in dollars per share) $ 0.05 $ (2.65)