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
Beginning balance at Dec. 31, 2012		$ 1	$ 3,031	$ (408)	$ (2,104)	$ 274		$ 45
Beginning balance 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
Purchase of common stock through stock repurchase program						2
Dividends declared								(15)
Net income								12
Purchase of common stock through stock repurchase program, Shares						45,000
Issued pursuant to benefit plans		156,357
Stock options exercised		491,064
Ending balance at Jun. 30, 2013	380	1	3,049	(448)	(1,987)	276	339	41
Ending balance at Jun. 30, 2013		63,436,803				2,339,692
Beginning balance at Dec. 31, 2013	472	1	3,014	(360)	(1,921)	301		39
Beginning balance at Dec. 31, 2013		63,714,728				2,844,692
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Premium on common stock issued pursuant to benefit plans			23
Other comprehensive income (loss)				6				0
Net income attributable to Tenneco Inc.	127				127
Purchase of common stock through stock repurchase program						0
Dividends declared								(12)
Net income								9
Purchase of common stock through stock repurchase program, Shares						0
Issued pursuant to benefit plans		77,651
Stock options exercised		57,828
Ending balance at Jun. 30, 2014	$ 625	$ 1	$ 3,037	$ (354)	$ (1,794)	$ 301	$ 589	$ 36
Ending balance at Jun. 30, 2014		63,850,207				2,844,692