CONDENSED CONSOLIDATED STATEMENTS OF INCOME (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Mar. 31, 2015	Jun. 30, 2016	Jun. 30, 2015
Revenues
Net sales and operating revenues	$ 2,212	$ 2,130	$ 4,348	$ 4,153
Costs and expenses
Cost of sales (exclusive of depreciation and amortization shown below)	1,810	1,764	3,580	3,450
Engineering, research, and development	37	38	76	79
Selling, general, and administrative	134	121	281	246
Depreciation and amortization of other intangibles	52	51	106	101
Costs and expenses	2,033	1,974	4,043	3,876
Other expense
Loss on sale of receivables	(1)	(1)	(2)	(2)
Other	(1)	0	(2)	0
Total other income (expense)	(2)	(1)	(4)	(2)
Earnings before interest expense, income taxes, and noncontrolling interests	177	155	301	275
Interest expense	34	17	52	33
Earnings before income taxes and noncontrolling interests	143	138	249	242
Income tax expense	40	47	74	88
Net income	103	91	175	154
Less: Net income attributable to noncontrolling interests	17	13	32	27
Net income attributable to Tenneco Inc.	$ 86	$ 78	$ 143	$ 127
Weighted average shares of common stock outstanding —
Basic (in shares)	56,873,353	60,829,125	56,991,568	60,929,839
Diluted (in shares)	57,331,749	61,363,702	57,391,932	61,488,915
Basic earnings per share of common stock (in dollars per share)	$ 1.51	$ 1.27	$ 2.50	$ 2.08
Diluted earnings per share of common stock (in dollars per share)	$ 1.49	$ 1.26	$ 2.49	$ 2.06