Earnings Per Share - Basic and Diluted Earnings per Common Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Earnings (loss) per share — basic:
Goodyear net income (loss)	$ (1,254)	$ (311)	$ 693
Weighted Average Shares Outstanding (in shares)	234	233	237
Earnings (loss) per common share-basic (in dollars per share)	$ (5.35)	$ (1.33)	$ 2.92
Earnings (loss) per share — diluted:
Goodyear net income (loss)	$ (1,254)	$ (311)	$ 693
Weighted Average Shares Outstanding (in shares)	234	233	237
Dilutive effect of stock options and other dilutive securities (in shares)	0	0	2
Weighted average shares outstanding — diluted (in shares)	234	233	239
Earnings (loss) per common share-diluted (in dollars per share)	$ (5.35)	$ (1.33)	$ 2.89