Earnings Per Share

12 Months Ended

Dec. 31, 2016

Earnings per share of common stock outstanding were computed as follows:



	Year Ended December 31,
	2016		2015		2014
	(Millions Except Share and Per Share Amounts)
Basic earnings per share —
Net income attributable to Tenneco Inc.	$	356	$	241	$	225
Average shares of common stock outstanding	55,939,135		59,678,309		60,734,022
Earnings per average share of common stock	$	6.36	$	4.05	$	3.70
Diluted earnings per share —
Net income attributable to Tenneco Inc.	$	356	$	241	$	225
Average shares of common stock outstanding	55,939,135		59,678,309		60,734,022
Effect of dilutive securities:
Restricted stock	175,513		96,168		130,732
Stock options	292,788		418,673		917,754
Average shares of common stock outstanding including dilutive securities	56,407,436		60,193,150		61,782,508
Earnings per average share of common stock	$	6.31	$	4.01	$	3.64

Options to purchase 134,361, 175,216, and 1,357 shares of common stock were outstanding as of December 31, 2016, 2015 and 2014, respectively, but not included in the computation of diluted earnings per share, because the options were anti-dilutive.