CONSOLIDATED STATEMENTS OF INCOME (LOSS) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Revenues
Net sales and operating revenues	$ 18,035	$ 15,379	$ 17,450
Costs and expenses
Cost of sales (exclusive of depreciation and amortization)	15,665	13,402	14,912
Selling, general, and administrative	1,017	889	1,138
Depreciation and amortization	593	639	673
Engineering, research, and development	285	273	324
Restructuring charges, net and asset impairments	69	622	126
Goodwill and intangible impairment charges	0	383	241
Costs and expenses	17,629	16,208	17,414
Other income (expense)
Non-service pension and postretirement benefit (costs) credits	13	18	(11)
Equity in earnings (losses) of nonconsolidated affiliates, net of tax	57	47	43
Gain (loss) on extinguishment of debt	8	2	0
Other income (expense), net	72	38	53
Total other expense (income)	150	105	85
Earnings (loss) before interest expense, income taxes, and noncontrolling interests	556	(724)	121
Interest expense	(274)	(277)	(322)
Earnings (loss) before income taxes and noncontrolling interests	282	(1,001)	(201)
Income tax (expense) benefit	(182)	(459)	(19)
Net income (loss)	100	(1,460)	(220)
Less: Net income (loss) attributable to noncontrolling interests	65	61	114
Net income (loss) attributable to Tenneco Inc.	$ 35	$ (1,521)	$ (334)
Basic earnings (loss) per share:
Basic earnings (loss) per share of common stock (in dollars per share)	$ 0.43	$ (18.69)	$ (4.12)
Weighted average shares outstanding (in shares)	82,218,480	81,378,474	80,904,060
Diluted earnings (loss) per share:
Diluted earnings (loss) per share of common stock (in dollars per share)	$ 0.42	$ (18.69)	$ (4.12)
Weighted average shares outstanding (in shares)	83,600,027	81,378,474	80,904,060