CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS EQUITY (USD $) In Millions, except Share data, unless otherwise specified	Total	Common Stock	Premium on Common Stock and Other Capital Surplus	Accumulated Other Comprehensive Loss	Retained Earnings (Accumulated Deficit)	Less — Common Stock Held as Treasury Stock, at Cost	Tenneco Inc.	Noncontrolling Interests
Balance January 1 at Dec. 31, 2011		$ 1	$ 3,016	$ (382)	$ (2,379)	$ 256		$ 43
Balance January 1 at Dec. 31, 2011		62,101,335				1,694,692
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Premium on common stock issued pursuant to benefit plans			6
Other comprehensive income (loss)				(9)				1
Net income attributable to Tenneco Inc.	117				117
Net income								10
Dividends declared								(17)
Purchase of common stock through stock repurchase program, Shares						600,000
Purchase of common stock through stock repurchase program						18
Issued pursuant to benefit plans		152,705
Stock options exercised		115,016
Balance June 30 at Jun. 30, 2012	133	1	3,022	(391)	(2,262)	274	96	37
Balance June 30 at Jun. 30, 2012		62,369,056				2,294,692
Balance January 1 at Dec. 31, 2012	291	1	3,031	(408)	(2,104)	274		45
Balance January 1 at Dec. 31, 2012		62,789,382				2,294,692
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Premium on common stock issued pursuant to benefit plans			18
Other comprehensive income (loss)				(40)				(1)
Net income attributable to Tenneco Inc.	117				117
Net income								12
Dividends declared								(15)
Purchase of common stock through stock repurchase program, Shares						45,000
Purchase of common stock through stock repurchase program						2
Issued pursuant to benefit plans		156,357
Stock options exercised		491,064
Balance June 30 at Jun. 30, 2013	$ 380	$ 1	$ 3,049	$ (448)	$ (1,987)	$ 276	$ 339	$ 41
Balance June 30 at Jun. 30, 2013		63,436,803				2,339,692