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, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Earnings per share — basic:
Goodyear net income	$ 351	$ 129	$ 583	$ 442
Weighted average shares outstanding (shares)	236	250	238	251
Earnings per common share — basic (dollars per share)	$ 1.49	$ 0.52	$ 2.45	$ 1.76
Earnings per share — diluted:
Goodyear net income	$ 351	$ 129	$ 583	$ 442
Weighted average shares outstanding (shares)	236	250	238	251
Dilutive effect of stock options and other dilutive securities (shares)	2	4	3	4
Weighted average shares outstanding — diluted (shares)	238	254	241	255
Earnings per common share — diluted (dollars per share)	$ 1.48	$ 0.50	$ 2.42	$ 1.73