Earnings Per Share - Basic and Diluted Earnings per Common Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Earnings per share — basic:
Goodyear net income	$ 157	$ 147	$ 232	$ 313
Weighted average shares outstanding (shares)	239	252	240	252
Earnings per common share — basic (dollars per share)	$ 0.66	$ 0.58	$ 0.97	$ 1.24
Earnings per share — diluted:
Goodyear net income	$ 157	$ 147	$ 232	$ 313
Weighted average shares outstanding (shares)	239	252	240	252
Dilutive effect of stock options and other dilutive securities (shares)	2	4	2	4
Weighted average shares outstanding — diluted (shares)	241	256	242	256
Earnings per common share — diluted (dollars per share)	$ 0.65	$ 0.58	$ 0.96	$ 1.23