CONDENSED CONSOLIDATED STATEMENTS OF INCOME (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Revenues
Net sales and operating revenues	$ 2,241	$ 2,067	$ 4,335	$ 3,970
Costs and expenses
Cost of sales (exclusive of depreciation and amortization shown below)	1,851	1,736	3,605	3,340
Engineering, research, and development	42	33	84	68
Selling, general, and administrative	139	106	271	225
Depreciation and amortization of other intangibles	52	50	103	100
Costs and expenses	2,084	1,925	4,063	3,733
Other expense
Loss on sale of receivables	(1)	(1)	(2)	(2)
Other	0	0	(1)	(1)
Total other income (expense)	(1)	(1)	(3)	(3)
Earnings before interest expense, income taxes, and noncontrolling interests	156	141	269	234
Interest expense (net of interest capitalized of $1 million in both of the three months ended June 30, 2014 and 2013, and $2 million in both of the six months ended June 30, 2014 and 2013, respectively)	19	20	38	40
Earnings before income taxes and noncontrolling interests	137	121	231	194
Income tax expense	46	47	86	59
Net income	91	74	145	135
Less: Net income attributable to noncontrolling interests	10	11	18	18
Net income attributable to Tenneco Inc.	$ 81	$ 63	$ 127	$ 117
Weighted average shares of common stock outstanding —
Basic (in shares)	60,736,737	60,542,361	60,631,080	60,424,540
Diluted (in shares)	61,661,896	61,724,124	61,583,725	61,532,550
Basic earnings per share of common stock (in dollars per share)	$ 1.34	$ 1.04	$ 2.10	$ 1.94
Diluted earnings per share of common stock (in dollars per share)	$ 1.32	$ 1.02	$ 2.06	$ 1.91