Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Earnings per share — basic:
Goodyear net income	$ 693	$ 346	$ 1,264
Weighted average shares outstanding (in shares)	237	249	263
Earnings per common share-basic (in dollars per share)	$ 2.92	$ 1.39	$ 4.81
Earnings per share — diluted:
Goodyear net income	$ 693	$ 346	$ 1,264
Weighted average shares outstanding (in shares)	237	249	263
Dilutive effect of stock options and other dilutive securities (in shares)	2	4	3
Weighted average shares outstanding — diluted (in shares)	239	253	266
Earnings per common share-diluted (in dollars per share)	$ 2.89	$ 1.37	$ 4.74
Underwater Stock Options
Earnings per share — diluted:
Equivalent shares excluded from weighted average shares outstanding (in shares)	2	1	1