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			39
Other comprehensive income (loss)				(14)				0
Net income attributable to Tenneco Inc.	129				129
Purchase of common stock through stock repurchase program						20
Dividends declared								(19)
Net income								18
Purchase of common stock through stock repurchase program, Shares						419,900
Issued pursuant to benefit plans		158,308
Stock options exercised		638,817
Ending balance at Sep. 30, 2013	424	1	3,070	(422)	(1,975)	294	380	44
Ending balance at Sep. 30, 2013		63,586,507				2,714,592
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			27
Other comprehensive income (loss)				(52)				(1)
Net income attributable to Tenneco Inc.	205				205
Purchase of common stock through stock repurchase program						0
Dividends declared								(17)
Net income								14
Purchase of common stock through stock repurchase program, Shares						0
Issued pursuant to benefit plans		75,528
Stock options exercised		70,186
Ending balance at Sep. 30, 2014	$ 648	$ 1	$ 3,041	$ (412)	$ (1,716)	$ 301	$ 613	$ 35
Ending balance at Sep. 30, 2014		63,860,442				2,844,692