Condensed Consolidated Statements of Income (Unaudited) (USD $) In Millions, except Share data	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Revenues
Net sales and operating revenues	$ 1,888	$ 1,502	$ 3,648	$ 2,818
Costs and expenses
Cost of sales (exclusive of depreciation and amortization shown below)	1,565	1,222	3,031	2,295
Engineering, research, and development	35	33	70	60
Selling, general, and administrative	118	98	227	198
Depreciation and amortization of other intangibles	54	53	105	108
Total costs and expenses	1,772	1,406	3,433	2,661
Other income (expense)
Loss on sale of receivables	(2)	(1)	(3)	(2)
Other income (expense)	(1)	(2)	(5)	(3)
Total other income (expense)	(3)	(3)	(8)	(5)
Earnings before interest expense, income taxes, and noncontrolling interests	113	93	207	152
Interest expense (net of interest capitalized of $1 million in each of the three months ended June 30, 2011 and 2010, respectively and $2 million in each of the six months ended June 30, 2011 and 2010, respectively)	26	32	54	64
Income tax expense	30	15	44	30
Net income	57	46	109	58
Less: Net income attributable to noncontrolling interests	7	6	12	11
Net Income attributable to Tenneco Inc.	$ 50	$ 40	$ 97	$ 47
Weighted average shares of common stock outstanding -
Basic	59,980,866	59,142,946	59,901,929	59,033,416
Diluted	61,813,474	60,999,029	61,913,337	60,892,967
Basic earnings per share of common stock	$ 0.84	$ 0.68	$ 1.62	$ 0.79
Diluted earnings per share of common stock	$ 0.81	$ 0.66	$ 1.56	$ 0.77