Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2017

Earnings Per Share [Abstract]

Basic and Diluted Earnings per Common Share

Basic and diluted earnings per common share are calculated as follows:

(In millions, except per share amounts)	2017		2016		2015
Earnings per share — basic:
Goodyear net income	$	346	$	1,264	$	307
Weighted average shares outstanding	249		263		269
Earnings per common share — basic	$	1.39	$	4.81	$	1.14
Earnings per share — diluted:
Goodyear net income	$	346	$	1,264	$	307
Weighted average shares outstanding	249		263		269
Dilutive effect of stock options and other dilutive securities	4		3		4
Weighted average shares outstanding — diluted	253		266		273
Earnings per common share — diluted	$	1.37	$	4.74	$	1.12