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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 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Earnings per share — basic:        
Goodyear net income $ 88 $ 351 $ 81 $ 583
Weighted average shares outstanding (shares) 233 236 233 238
Earnings (loss) per common share — basic (dollars per share) $ 0.38 $ 1.49 $ 0.35 $ 2.45
Earnings per share — diluted:        
Goodyear net income $ 88 $ 351 $ 81 $ 583
Weighted average shares outstanding (shares) 233 236 233 238
Dilutive effect of stock options and other dilutive securities (shares) 1 2 1 3
Weighted average shares outstanding — diluted (shares) 234 238 234 241
Earnings (loss) per common share — diluted (dollars per share) $ 0.38 $ 1.48 $ 0.35 $ 2.42