CONDENSED CONSOLIDATED STATEMENTS OF INCOME (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Revenues
Net sales and operating revenues	$ 2,136	$ 2,023
Costs and expenses
Cost of sales (exclusive of depreciation and amortization shown below)	1,770	1,686
Engineering, research, and development	39	41
Selling, general, and administrative	147	125
Depreciation and amortization of other intangibles	54	50
Costs and expenses	2,010	1,902
Other expense
Loss on sale of receivables	(1)	(1)
Other	(1)	0
Total other income (expense)	(2)	(1)
Earnings before interest expense, income taxes, and noncontrolling interests	124	120
Interest expense	18	16
Earnings before income taxes and noncontrolling interests	106	104
Income tax expense	34	41
Net income	72	63
Less: Net income attributable to noncontrolling interests	15	14
Net income attributable to Tenneco Inc.	$ 57	$ 49
Weighted average shares of common stock outstanding —
Basic (in shares)	57,115,496	61,044,908
Diluted (in shares)	57,445,941	61,593,087
Basic earnings per share of common stock (in dollars per share)	$ 1.00	$ 0.81
Diluted earnings per share of common stock (in dollars per share)	$ 0.99	$ 0.80