CONDENSED CONSOLIDATED STATEMENTS OF INCOME (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Revenues
Net sales and operating revenues	$ 2,317,000,000	$ 2,212,000,000	$ 4,609,000,000	$ 4,348,000,000
Costs and expenses
Cost of sales (exclusive of depreciation and amortization shown below)	1,946,000,000	1,816,000,000	3,877,000,000	3,586,000,000
Engineering, research, and development	36,000,000	37,000,000	75,000,000	76,000,000
Selling, general, and administrative	253,000,000	134,000,000	401,000,000	281,000,000
Depreciation and amortization of other intangibles	55,000,000	52,000,000	107,000,000	106,000,000
Costs and expenses	2,290,000,000	2,039,000,000	4,460,000,000	4,049,000,000
Other expense
Loss on sale of receivables	(1,000,000)	(1,000,000)	(2,000,000)	(2,000,000)
Other income (expense)	1,000,000	(1,000,000)	1,000,000	(2,000,000)
Total other expense	0	(2,000,000)	(1,000,000)	(4,000,000)
Earnings before interest expense, income taxes, and noncontrolling interests	27,000,000	171,000,000	148,000,000	295,000,000
Interest expense	20,000,000	34,000,000	35,000,000	52,000,000
Earnings before income taxes and noncontrolling interests	7,000,000	137,000,000	113,000,000	243,000,000
Income tax (benefit) expense	(8,000,000)	39,000,000	25,000,000	73,000,000
Net income	15,000,000	98,000,000	88,000,000	170,000,000
Less: Net income attributable to noncontrolling interests	18,000,000	16,000,000	32,000,000	31,000,000
Net income (loss) attributable to Tenneco Inc.	$ (3,000,000)	$ 82,000,000	$ 56,000,000	$ 139,000,000
Weighted average shares of common stock outstanding —
Basic (in shares)	53,505,341	56,873,353	53,662,375	56,991,568
Diluted (in shares)	53,505,341	57,331,749	53,952,918	57,391,932
Basic earnings per share of common stock (in dollars per share)	$ (0.05)	$ 1.44	$ 1.05	$ 2.44
Diluted earnings per share of common stock (in dollars per share)	$ (0.05)	$ 1.43	$ 1.05	$ 2.42
Cash dividends declared (in dollars per share)	$ 0.25	$ 0.00	$ 0.50	$ 0.00