CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Cumulative Translation Adjustment
Balance January 1	$ (56)	$ (19)	$ (26)
Translation of foreign currency statements	(107)	(37)	7
Balance December 31	(163)	(56)	(19)
Additional Liability for Pension and Postretirement Benefits [Roll Forward]
Balance January 1	(299)	(384)	(352)
Adjustment to the Liability for Pension and Postretirement benefits, net of tax	(80)	85	(32)
Balance December 31	(379)	(299)	(384)
Balance December 31	(542)	(355)	(403)
Net income	270	222	304
Translation of foreign currency statements	(107)	(37)	7
Adjustment to the Liability for Pension and Postretirement benefits, net of tax	(80)	85	(32)
Other comprehensive income	(187)	48	(25)
Comprehensive Income	83	270	279
Tenneco Inc.
Cumulative Translation Adjustment
Balance January 1	(61)	(24)	(30)
Translation of foreign currency statements	(105)	(37)	6
Balance December 31	(166)	(61)	(24)
Additional Liability for Pension and Postretirement Benefits [Roll Forward]
Balance January 1	(299)	(384)	(352)
Adjustment to the Liability for Pension and Postretirement benefits, net of tax	(80)	85	(32)
Balance December 31	(379)	(299)	(384)
Balance December 31	(545)	(360)	(408)
Net income	226	183	275
Translation of foreign currency statements	(105)	(37)	6
Adjustment to the Liability for Pension and Postretirement benefits, net of tax	(80)	85	(32)
Other comprehensive income	(185)	48	(26)
Comprehensive Income	41	231	249
Noncontrolling Interests
Cumulative Translation Adjustment
Balance January 1	5	5	4
Translation of foreign currency statements	(2)	0	1
Balance December 31	3	5	5
Additional Liability for Pension and Postretirement Benefits [Roll Forward]
Balance January 1	0	0	0
Balance December 31		0	0
Balance December 31	3	5	5
Net income	44	39	29
Translation of foreign currency statements	(2)	0	1
Other comprehensive income	(2)	0	1
Comprehensive Income	$ 42	$ 39	$ 30