CONDENSED CONSOLIDATED STATEMENTS OF INCOME (Unaudited) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Revenues
Net sales and operating revenues	$ 2,274,000,000	$ 2,096,000,000	$ 6,883,000,000	$ 6,444,000,000
Costs and expenses
Cost of sales (exclusive of depreciation and amortization shown below)	1,913,000,000	1,743,000,000	5,790,000,000	5,329,000,000
Engineering, research, and development	40,000,000	41,000,000	115,000,000	117,000,000
Selling, general, and administrative	128,000,000	109,000,000	529,000,000	390,000,000
Depreciation and amortization of other intangibles	58,000,000	53,000,000	165,000,000	159,000,000
Costs and expenses	2,139,000,000	1,946,000,000	6,599,000,000	5,995,000,000
Other expense
Loss on sale of receivables	(2,000,000)	(2,000,000)	(4,000,000)	(4,000,000)
Other income	1,000,000	2,000,000	2,000,000	0
Total other expense	(1,000,000)	0	(2,000,000)	(4,000,000)
Earnings before interest expense, income taxes, and noncontrolling interests	134,000,000	150,000,000	282,000,000	445,000,000
Interest expense	19,000,000	24,000,000	54,000,000	76,000,000
Earnings before income taxes and noncontrolling interests	115,000,000	126,000,000	228,000,000	369,000,000
Income tax expense (benefit)	16,000,000	(70,000,000)	41,000,000	3,000,000
Net income	99,000,000	196,000,000	187,000,000	366,000,000
Less: Net income attributable to noncontrolling interests	16,000,000	17,000,000	48,000,000	48,000,000
Net income attributable to Tenneco Inc.	$ 83,000,000	$ 179,000,000	$ 139,000,000	$ 318,000,000
Weighted average shares of common stock outstanding —
Basic (in shares)	52,508,078	55,679,969	53,265,149	56,511,838
Diluted (in shares)	52,687,656	56,165,709	53,501,864	56,958,447
Basic earnings per share of common stock (in dollars per share)	$ 1.57	$ 3.22	$ 2.61	$ 5.63
Diluted earnings per share of common stock (in dollars per share)	$ 1.57	$ 3.19	$ 2.60	$ 5.58
Cash dividends declared (in dollars per share)	$ 0.25	$ 0.00	$ 0.75	$ 0.00