Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2015

Earnings Per Share [Abstract]

Summary of Earnings Per Share of Common Stock

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

	Three Months Ended June 30, 2015		Three Months Ended June 30, 2014		Six Months Ended June 30, 2015		Six Months Ended June 30, 2014
	(Millions Except Share and Per Share Amounts)
Basic earnings per share —
Net income attributable to Tenneco Inc.	$	78	$	81	$	127	$	127
Weighted Average shares of common stock outstanding	60,829,125		60,736,737		60,929,839		60,631,080
Earnings per share of common stock	$	1.27	$	1.34	$	2.08	$	2.10
Diluted earnings per share —
Net income attributable to Tenneco Inc.	$	78	$	81	$	127	$	127
Weighted Average shares of common stock outstanding	60,829,125		60,736,737		60,929,839		60,631,080
Effect of dilutive securities:
Restricted stock	108,266		104,679		97,009		139,024
Stock options	426,311		820,480		462,067		813,621
Weighted Average shares of common stock outstanding including dilutive securities	61,363,702		61,661,896		61,488,915		61,583,725
Earnings per share of common stock	$	1.26	$	1.32	$	2.06	$	2.06