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, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Earnings (loss) per share — basic:
Goodyear net income (loss)	$ 132	$ (2)	$ 211	$ (1,317)
Weighted Average Shares Outstanding (in shares)	283	234	254	234
Earnings (loss) per common share-basic (in dollars per share)	$ 0.47	$ (0.01)	$ 0.83	$ (5.62)
Earnings (loss) per share — diluted:
Goodyear net income (loss)	$ 132	$ (2)	$ 211	$ (1,317)
Weighted Average Shares Outstanding (in shares)	283	234	254	234
Dilutive effect of stock options and other dilutive securities (in shares)	3	0	3	0
Weighted average shares outstanding — diluted (in shares)	286	234	257	234
Earnings (loss) per common share-diluted (in dollars per share)	$ 0.46	$ (0.01)	$ 0.82	$ (5.62)