Revision of Previously Issued Financial Statements - Comprehensive Income (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Tenneco Inc.
Net Income	$ 83	$ 179	$ 139	$ 318
Comprehensive Income	114	184	234	333
Noncontrolling Interests
Net Income	16	17	48	48
Comprehensive Income	17	17	52	47
Total
Net Income	99	196	187	366
Other Comprehensive Income	32	5	99	14
Comprehensive Income	131	201	286	380
As Reported
Tenneco Inc.
Net Income		180		323
Noncontrolling Interests
Net Income				49
Total
Net Income		197		372
Other Comprehensive Income		5		14
Comprehensive Income		202		386
Adjustment
Tenneco Inc.
Net Income		(1)		(5)
Noncontrolling Interests
Net Income				(1)
Total
Net Income		(1)		(6)
Other Comprehensive Income		0		0
Comprehensive Income		(1)		(6)
Tenneco Inc.
Tenneco Inc.
Net Income		179		318
Other Comprehensive Income		5		15
Comprehensive Income		184		333
Total
Other Comprehensive Income	31	5	95	15
Tenneco Inc. | As Reported
Tenneco Inc.
Net Income		180		323
Other Comprehensive Income		5		15
Comprehensive Income		185		338
Tenneco Inc. | Adjustment
Tenneco Inc.
Net Income		(1)		(5)
Other Comprehensive Income		0		0
Comprehensive Income		(1)		(5)
Noncontrolling Interests
Noncontrolling Interests
Net Income		17		48
Other Comprehensive Income		0		(1)
Comprehensive Income		17		47
Total
Other Comprehensive Income	$ 1	0	$ 4	(1)
Noncontrolling Interests | As Reported
Noncontrolling Interests
Net Income		17		49
Other Comprehensive Income		0		(1)
Comprehensive Income		17		48
Noncontrolling Interests | Adjustment
Noncontrolling Interests
Net Income		0		(1)
Other Comprehensive Income		0		0
Comprehensive Income		$ 0		$ (1)