Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2015

Earnings Per Share [Abstract]

Summary of Earnings Per Share of Common Stock

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

	Year Ended December 31,
	2015		2014		2013
	(Millions Except Share and Per Share Amounts)
Basic earnings per share —
Net income attributable to Tenneco Inc.	$	247	$	226	$	183
Average shares of common stock outstanding	59,678,309		60,734,022		60,474,492
Earnings per average share of common stock	$	4.14	$	3.72	$	3.03
Diluted earnings per share —
Net income attributable to Tenneco Inc.	$	247	$	226	$	183
Average shares of common stock outstanding	59,678,309		60,734,022		60,474,492
Effect of dilutive securities:
Restricted stock	96,168		130,732		205,020
Stock options	418,673		917,754		914,550
Average shares of common stock outstanding including dilutive securities	60,193,150		61,782,508		61,594,062
Earnings per average share of common stock	$	4.11	$	3.66	$	2.97