CONDENSED CONSOLIDATED STATEMENTS OF INCOME (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Revenues
Net sales and operating revenues	$ 2,094	$ 1,903
Costs and expenses
Cost of sales (exclusive of depreciation and amortization shown below)	1,754	1,604
Engineering, research, and development	42	35
Selling, general, and administrative	132	119
Depreciation and amortization of other intangibles	51	50
Costs and expenses	1,979	1,808
Other expense
Loss on sale of receivables	(1)	(1)
Other	(1)	(1)
Total other income (expense)	(2)	(2)
Earnings before interest expense, income taxes, and noncontrolling interests	113	93
Interest expense (net of interest capitalized of $1 million for both three months ended March 31, 2014 and 2013, respectively)	19	20
Earnings before income taxes and noncontrolling interests	94	73
Income tax expense	40	12
Net income	54	61
Less: Net income attributable to noncontrolling interests	8	7
Net income attributable to Tenneco Inc.	$ 46	$ 54
Weighted average shares of common stock outstanding —
Basic (in shares)	60,549,778	60,288,997
Diluted (in shares)	61,503,302	61,481,835
Basic earnings per share of common stock (in dollars per share)	$ 0.76	$ 0.90
Diluted earnings per share of common stock (in dollars per share)	$ 0.75	$ 0.88