CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	$ 91	$ 74	$ 145	$ 135
Translation of foreign currency statements	7	(24)	(1)	(50)
Additional Liability for Pension and Postretirement Benefits, net of tax	3	6	6	10
Other Comprehensive Loss	10	(18)	5	(40)
Comprehensive Income	101	56	150	95
Cumulative Translation Adjustment
Beginning balance	(64)	(45)	(56)	(19)
Translation of foreign currency statements	7	(24)	(1)	(50)
Ending balance	(57)	(69)	(57)	(69)
Additional Liability for Pension and Postretirement Benefits
Beginning balance	(296)	(380)	(299)	(384)
Additional Liability for Pension and Postretirement Benefits, net of tax	3	6	6	10
Ending balance	(293)	(374)	(293)	(374)
Balance June 30	(350)	(443)	(350)	(443)
Tenneco Inc.
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	81	63	127	117
Translation of foreign currency statements	6	(24)	0	(50)
Additional Liability for Pension and Postretirement Benefits, net of tax	3	6	6	10
Other Comprehensive Loss	9	(18)	6	(40)
Comprehensive Income	90	45	133	77
Cumulative Translation Adjustment
Beginning balance	(67)	(50)	(61)	(24)
Translation of foreign currency statements	6	(24)	0	(50)
Ending balance	(61)	(74)	(61)	(74)
Additional Liability for Pension and Postretirement Benefits
Beginning balance	(296)	(380)	(299)	(384)
Additional Liability for Pension and Postretirement Benefits, net of tax	3	6	6	10
Ending balance	(293)	(374)	(293)	(374)
Balance June 30	(354)	(448)	(354)	(448)
Noncontrolling Interests
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	10	11	18	18
Translation of foreign currency statements	1	0	(1)	0
Other Comprehensive Loss	1	0	(1)	0
Comprehensive Income	11	11	17	18
Cumulative Translation Adjustment
Beginning balance	3	5	5	5
Translation of foreign currency statements	1	0	(1)	0
Ending balance	4	5	4	5
Additional Liability for Pension and Postretirement Benefits
Beginning balance	0	0	0	0
Ending balance	0	0	0	0
Balance June 30	$ 4	$ 5	$ 4	$ 5