Earnings (Loss) per Share (Tables)

12 Months Ended

Dec. 31, 2019

Earnings Per Share [Abstract]

Summary of Earnings (Loss) per Share of Common Stock

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

	Year Ended December 31
	2019			2018		2017
Net income (loss) attributable to Tenneco Inc.	$	(334	)	$	55	$	198
Basic earnings (loss) per share —
Average shares of common stock outstanding	80,904,060			58,625,087		52,796,184
Earnings (loss) per average share of common stock	$	(4.12	)	$	0.93	$	3.75
Diluted earnings (loss) per share —
Average shares of common stock outstanding	80,904,060			58,625,087		52,796,184
Effect of dilutive securities:
Restricted stock and RSUs	—			93,546		111,062
Stock options	—			40,099		119,665
Average shares of common stock outstanding including dilutive securities	80,904,060			58,758,732		53,026,911
Earnings (loss) per average share of common stock	$	(4.12	)	$	0.93	$	3.73