Earnings Per Share

3 Months Ended

Mar. 31, 2018

Basic earnings per share are computed based on the weighted average number of common shares outstanding. Diluted earnings per share are calculated to reflect the potential dilution that could occur if securities or other contracts were exercised or converted into common stock.

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



	Three Months Ended
	March 31,
(In millions, except per share amounts)	2018		2017
Earnings per share — basic:
Goodyear net income	$	75	$	166
Weighted average shares outstanding	240		252
Earnings per common share — basic	$	0.31	$	0.66

Earnings per share — diluted:
Goodyear net income	$	75	$	166
Weighted average shares outstanding	240		252
Dilutive effect of stock options and other dilutive securities	4		4
Weighted average shares outstanding — diluted	244		256
Earnings per common share — diluted	$	0.31	$	0.65

Weighted average shares outstanding - diluted for the three months ended March 31, 2018 and 2017 both exclude approximately 1 million equivalent shares related to options with exercise prices greater than the average market price of our common shares (i.e., "underwater" options).