CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) - USD ($) $ in Millions	3 Months Ended			6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Mar. 31, 2015	Jun. 30, 2016	Jun. 30, 2015	Dec. 31, 2015
Net Income attributable to Tenneco Inc.	$ 86	$ 78	$ 78	$ 143	$ 127
Less: Net income attributable to noncontrolling interests	17	13	13	32	27
Net Income	103	91	91	175	154
Cumulative Translation Adjustment
Balance April 1	(274)	(234)	(163)	(298)	(163)
Translation of foreign currency statements	(22)	21		2	(50)
Balance June 30	(296)	(213)	(234)	(296)	(213)
Additional Liability for Pension and Postretirement Benefits
Balance April 1	(364)	(376)	(379)	(368)	(379)
Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax, Portion Attributable to Parent	(3)	(2)		(7)	(5)
Additional Liability for Pension and Postretirement Benefits, net of tax	3	2		7	5
Balance June 30	(361)	(374)	(376)	(361)	(374)
Balance June 30	(657)	(587)		(657)	(587)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Noncontrolling Interest	(2)	(1)		(1)	0
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent	(20)	22		3	(50)
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	69	102		153	82
Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest	15	12		31	27
Other Comprehensive Loss	(19)	23		9	(45)
Comprehensive Income	84	114		184	109
Tenneco Inc.
Cumulative Translation Adjustment
Balance April 1	(274)	(238)	(166)	(297)	(166)
Balance June 30	(294)	(216)	(238)	(294)	(216)
Additional Liability for Pension and Postretirement Benefits
Balance April 1	(364)	(376)	(379)	(368)	(379)
Balance June 30	(361)	(374)	(376)	(361)	(374)
Balance June 30	(655)	(590)		(655)	(590)	$ (665)
Other Comprehensive Loss	(17)	24		10	(45)
Noncontrolling Interests
Cumulative Translation Adjustment
Balance April 1	0	4	3	(1)	3
Balance June 30	(2)	3	4	(2)	3
Additional Liability for Pension and Postretirement Benefits
Balance April 1	0	0	0	0	0
Balance June 30	0	0	$ 0	0	0
Balance June 30	(2)	3		(2)	3
Other Comprehensive Loss	$ (2)	$ (1)		$ (1)	$ 0