Earnings (Loss) per Share - Summary of Earnings (Loss) per Share of Common Stock (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Net income (loss) attributable to Tenneco Inc.	$ 35	$ (1,521)	$ (334)
Basic earnings (loss) per share —
Average shares of common stock outstanding (in shares)	82,218,480	81,378,474	80,904,060
Earnings (loss) per average share of common stock (in dollars per share)	$ 0.43	$ (18.69)	$ (4.12)
Diluted earnings (loss) per share —
Average shares of common stock outstanding (in shares)	82,218,480	81,378,474	80,904,060
Effect of dilutive securities:
Average shares of common stock outstanding including dilutive securities (in shares)	83,600,027	81,378,474	80,904,060
Earnings (loss) per average share of common stock (in dollars per share)	$ 0.42	$ (18.69)	$ (4.12)
Weighted average number of antidilutive stock-based awards excluded from the calculation of diluted earnings per share (in shares)	1,787,410	2,346,904	1,868,274
Restricted Stock
Effect of dilutive securities:
Restricted stock RSUs, PSUs and stock options (in shares)	1,381,547	0	0