CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Net income (loss) attributable to Tenneco Inc.	$ (3)	$ 82	$ 56	$ 139
Less: Net income attributable to noncontrolling interests	18	16	32	31
Net Income	15	98	88	170
Translation of foreign currency statements attributable to Tenneco	32	(20)	53	3
Translation of foreign currency statements attributable to Noncontrolling Interest	2	(2)	3	(1)
Translation of foreign currency statements	34	(22)	56	2
Additional Liability for Pension and Postretirement Benefits, net of tax attributable to Tenneco	4	3	11	7
Additional liability for pension and postretirement benefits, net of tax	4	3	11	7
Accumulated Other Comprehensive Income (Loss)
Beginning balance			620
Ending balance	657	580	657	580
Other Comprehensive Income (Loss)	38	(19)	67	9
Comprehensive Income attributable to Tenneco	33	65	120	149
Comprehensive Income attributable to Noncontrolling Interest	20	14	35	30
Comprehensive Income	53	79	155	179
Tenneco Inc.
Net income (loss) attributable to Tenneco Inc.		82		139
Accumulated Other Comprehensive Income (Loss)
Ending balance	615	529	615	529
Other Comprehensive Income (Loss)	36	(17)	64	10
Comprehensive Income attributable to Tenneco		65		149
AOCI Tenneco, Inc
Accumulated Other Comprehensive Income (Loss)
Beginning balance			(665)	(665)
Ending balance	(601)	(655)	(601)	(655)
Other Comprehensive Income (Loss)			64	10
Tenneco, Inc. Cumulative Translation Adjustment
Accumulated Other Comprehensive Income (Loss)
Beginning balance	(317)	(274)	(338)	(297)
Reclassification	32	(20)	53	3
Ending balance	(285)	(294)	(285)	(294)
Tenneco, Inc. Additional Liability for Pension and Postretirement Benefits
Accumulated Other Comprehensive Income (Loss)
Beginning balance	(320)	(364)	(327)	(368)
Reclassification	4	3	11	7
Ending balance	(316)	(361)	(316)	(361)
Noncontrolling Interests
Less: Net income attributable to noncontrolling interests		16		31
Accumulated Other Comprehensive Income (Loss)
Beginning balance			47	39
Ending balance	42	51	42	51
Other Comprehensive Income (Loss)	2	(2)	3	(1)
Comprehensive Income attributable to Noncontrolling Interest		14		30
AOCI Noncontrolling Interests
Accumulated Other Comprehensive Income (Loss)
Ending balance	(2)	(2)	(2)	(2)
Noncontrolling Interests Cumulative Translation Adjustment
Accumulated Other Comprehensive Income (Loss)
Beginning balance	(4)	0	(5)	(1)
Reclassification	2	(2)	3	(1)
Ending balance	(2)	(2)	(2)	(2)
Total
Accumulated Other Comprehensive Income (Loss)
Ending balance	(603)	(657)	(603)	(657)
Total Cumulative Translation Adjustment
Accumulated Other Comprehensive Income (Loss)
Beginning balance	(321)	(274)	(343)	(298)
Reclassification	34	(22)	56	2
Ending balance	(287)	(296)	(287)	(296)
Total Additional Liability for Pension and Postretirement Benefits
Accumulated Other Comprehensive Income (Loss)
Beginning balance	(320)	(364)	(327)	(368)
Reclassification	4	3	11	7
Ending balance	$ (316)	$ (361)	$ (316)	$ (361)