CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY - USD ($) $ in Millions	Total	Total Tenneco Inc. Shareholders’ Equity (Deficit)	Common Stock	Additional Paid-In Capital	Accumulated Other Comprehensive Loss	Accumulated Deficit	Treasury Stock	Noncontrolling Interests	Total Equity
Beginning Balance at Dec. 31, 2018		$ 1,726	$ 1	$ 4,360	$ (692)	$ (1,013)	$ (930)	$ 190	$ 1,916
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	$ (220)	(334)				(334)		29	(305)
Foreign currency translation adjustments	16	26			26				26
Defined benefit plans	(45)	(45)			(45)				(45)
Cash flow hedges	0
Comprehensive income (loss)	(249)	(353)						29	(324)
Acquisition of additional ownership interest in consolidated affiliates		(4)		(4)				(6)	(10)
Stock-based compensation, net		23		23					23
Cash dividends		(20)				(20)			(20)
Purchase accounting measurement period adjustment	(8)							(2)	(2)
Distributions declared to noncontrolling interests	0							(17)	(17)
Redeemable noncontrolling interest transaction with owner	53	53		53					53
Ending Balance at Dec. 31, 2019		1,425	1	4,432	(711)	(1,367)	(930)	194	1,619
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(1,460)	(1,521)				(1,521)		29	(1,492)
Foreign currency translation adjustments	(12)	(26)			(26)			11	(15)
Defined benefit plans	(11)	(11)			(11)				(11)
Cash flow hedges	4	4			4				4
Comprehensive income (loss)	(1,479)	(1,554)						40	(1,514)
Stock-based compensation, net		17		17					17
Reclassification of redeemable noncontrolling interest to permanent equity								82	82
Purchase accounting measurement period adjustment	0
Distributions declared to noncontrolling interests	(82)							(16)	(16)
Redeemable noncontrolling interest transaction with owner	(53)	(7)		(7)					(7)
Ending Balance at Dec. 31, 2020	181	(119)	1	4,442	(744)	(2,888)	(930)	300	181
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	100	35				35		31	66
Foreign currency translation adjustments	(83)	(76)			(76)			(3)	(79)
Defined benefit plans	227	227			227				227
Cash flow hedges	(2)	(2)			(2)				(2)
Comprehensive income (loss)	242	184						28	212
Stock-based compensation, net		20		20					20
Purchase accounting measurement period adjustment	0
Distributions declared to noncontrolling interests	0							(17)	(17)
Redeemable noncontrolling interest transaction with owner	0
Ending Balance at Dec. 31, 2021	$ 396	$ 85	$ 1	$ 4,462	$ (595)	$ (2,853)	$ (930)	$ 311	$ 396