CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS EQUITY (Unaudited) - USD ($) shares in Millions, $ in Millions	Total	Total Tenneco Inc. Shareholders’ Equity (Deficit)	Common Stock	Additional Paid-In Capital	Accumulated Other Comprehensive Income (Loss)	Accumulated Deficit	Treasury Stock	Noncontrolling Interests	Total Equity
Beginning balance (in shares) at Dec. 31, 2020			1
Balance at beginning of period at Dec. 31, 2020		$ (119)		$ 4,442	$ (744)	$ (2,888)	$ (930)	$ 300	$ 181
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)		65				65		10	75
Other comprehensive income (loss)—net of tax:
Foreign currency translation adjustments		(46)			(46)			(3)	(49)
Defined benefit plans		3			3				3
Cash flow hedges		(2)			(2)				(2)
Comprehensive income (loss)		20						7	27
Stock-based compensation, net		3		3					3
Distributions declared to noncontrolling interests								(2)	(2)
Ending balance (in shares) at Mar. 31, 2021			1
Balance at end of period at Mar. 31, 2021		(96)		4,445	(789)	(2,823)	(930)	305	209
Beginning balance (in shares) at Dec. 31, 2020			1
Balance at beginning of period at Dec. 31, 2020		(119)		4,442	(744)	(2,888)	(930)	300	181
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	$ 129
Other comprehensive income (loss)—net of tax:
Foreign currency translation adjustments	(69)
Defined benefit plans	9
Cash flow hedges	(4)
Comprehensive income (loss)	65
Ending balance (in shares) at Sep. 30, 2021			1
Balance at end of period at Sep. 30, 2021		(90)		4,458	(801)	(2,818)	(930)	313	223
Beginning balance (in shares) at Mar. 31, 2021			1
Balance at beginning of period at Mar. 31, 2021		(96)		4,445	(789)	(2,823)	(930)	305	209
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)		(10)				(10)		8	(2)
Other comprehensive income (loss)—net of tax:
Foreign currency translation adjustments		58			58			2	60
Defined benefit plans		3			3				3
Cash flow hedges		(1)			(1)				(1)
Comprehensive income (loss)		50						10	60
Stock-based compensation, net		4		4					4
Distributions declared to noncontrolling interests								(1)	(1)
Ending balance (in shares) at Jun. 30, 2021			1
Balance at end of period at Jun. 30, 2021		(42)		4,449	(729)	(2,833)	(930)	314	272
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	25	15				15		5	20
Other comprehensive income (loss)—net of tax:
Foreign currency translation adjustments	(79)	(74)			(74)			(3)	(77)
Defined benefit plans	3	3			3				3
Cash flow hedges	(1)	(1)			(1)				(1)
Comprehensive income (loss)	(52)	(57)						2	(55)
Stock-based compensation, net		9		9					9
Distributions declared to noncontrolling interests								(3)	(3)
Ending balance (in shares) at Sep. 30, 2021			1
Balance at end of period at Sep. 30, 2021		(90)		4,458	(801)	(2,818)	(930)	313	223
Beginning balance (in shares) at Dec. 31, 2021			1
Balance at beginning of period at Dec. 31, 2021	396	85		4,462	(595)	(2,853)	(930)	311	396
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)		(38)				(38)		7	(31)
Other comprehensive income (loss)—net of tax:
Foreign currency translation adjustments								(1)	(1)
Cash flow hedges		4			4				4
Comprehensive income (loss)		(34)						6	(28)
Stock-based compensation, net		2		2					2
Distributions declared to noncontrolling interests								(13)	(13)
Ending balance (in shares) at Mar. 31, 2022			1
Balance at end of period at Mar. 31, 2022		53		4,464	(591)	(2,891)	(930)	304	357
Beginning balance (in shares) at Dec. 31, 2021			1
Balance at beginning of period at Dec. 31, 2021	396	85		4,462	(595)	(2,853)	(930)	311	396
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(151)
Other comprehensive income (loss)—net of tax:
Foreign currency translation adjustments	(448)
Defined benefit plans	0
Cash flow hedges	(14)
Comprehensive income (loss)	(613)
Ending balance (in shares) at Sep. 30, 2022			1
Balance at end of period at Sep. 30, 2022	(245)	(519)		4,473	(1,007)	(3,056)	(930)	274	(245)
Beginning balance (in shares) at Mar. 31, 2022			1
Balance at beginning of period at Mar. 31, 2022		53		4,464	(591)	(2,891)	(930)	304	357
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)		(121)				(121)		8	(113)
Other comprehensive income (loss)—net of tax:
Foreign currency translation adjustments		(185)			(185)			(16)	(201)
Cash flow hedges		(14)			(14)				(14)
Comprehensive income (loss)		(320)						(8)	(328)
Stock-based compensation, net		5		5					5
Distributions declared to noncontrolling interests								(6)	(6)
Ending balance (in shares) at Jun. 30, 2022			1
Balance at end of period at Jun. 30, 2022		(262)		4,469	(790)	(3,012)	(930)	290	28
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(28)	(44)				(44)		12	(32)
Other comprehensive income (loss)—net of tax:
Foreign currency translation adjustments	(238)	(213)			(213)			(21)	(234)
Defined benefit plans	0
Cash flow hedges	(4)	(4)			(4)				(4)
Comprehensive income (loss)	(270)	(261)						(9)	(270)
Stock-based compensation, net		4		4					4
Distributions declared to noncontrolling interests								(7)	(7)
Ending balance (in shares) at Sep. 30, 2022			1
Balance at end of period at Sep. 30, 2022	$ (245)	$ (519)		$ 4,473	$ (1,007)	$ (3,056)	$ (930)	$ 274	$ (245)