Debt and Other Financing Arrangements - Summary of Long-Term Debt Obligations (Details)	Dec. 31, 2018 USD ($)	Dec. 31, 2018 EUR (€)	Dec. 31, 2017 USD ($)
Debt Instrument [Line Items]
Carrying Amount	$ 5,413,000,000		$ 1,361,000,000
Less — maturities classified as current	73,000,000		3,000,000
Total long-term debt	5,340,000,000		1,358,000,000
Unamortized debt issuance costs	90,000,000		13,000,000
Debt Instrument, Unamortized Premium	(49,000,000)
Debt Instrument, Unamortized Discount			2,000,000
Line of Credit \| Revolver Borrowings Due 2022
Debt Instrument [Line Items]
Principal	0		244,000,000
Carrying Amount	0		244,000,000
Term Loan \| Tenneco Inc. Term Loan A
Debt Instrument [Line Items]
Principal	1,700,000,000		0
Carrying Amount	$ 1,691,000,000		0
Effective Interest Rate	6.16%	6.16%
Stated rate	1.75%	1.75%
Term Loan \| Tenneco Inc. Term Loan B
Debt Instrument [Line Items]
Principal	$ 1,700,000,000		0
Carrying Amount	$ 1,629,000,000		0
Effective Interest Rate	8.88%	8.88%
Stated rate	2.75%	2.75%
Term Loan \| Senior Tranche A Term Loan
Debt Instrument [Line Items]
Principal	$ 0		390,000,000
Carrying Amount	0		$ 388,000,000
Effective Interest Rate			2.90%
Senior Notes
Debt Instrument [Line Items]
Debt Instrument, Unamortized Premium	(54,000,000)
Senior Notes \| 5 3/8% Senior Notes due 2024
Debt Instrument [Line Items]
Principal	225,000,000	€ 225,000,000	$ 225,000,000
Carrying Amount	$ 222,000,000		$ 222,000,000
Effective Interest Rate	5.609%	5.609%	5.609%
Stated rate	5.375%	5.375%
Senior Notes \| 5.000% Senior Notes due 2026
Debt Instrument [Line Items]
Principal	$ 500,000,000	€ 500,000,000	$ 500,000,000
Carrying Amount	$ 493,000,000		$ 492,000,000
Effective Interest Rate	5.219%	5.219%	5.219%
Stated rate	5.00%	5.00%
Senior Notes \| 4.875% Euro Fixed Rate Notes due 2022
Debt Instrument [Line Items]
Principal	$ 476,000,000	€ 415,000,000	$ 0
Carrying Amount	$ 496,000,000		0
Effective Interest Rate	3.599%	3.599%
Stated rate	4.875%	4.875%
Senior Notes \| Euro Floating Rate Notes due 2024
Debt Instrument [Line Items]
Principal	$ 344,000,000	€ 300,000,000	0
Carrying Amount	$ 349,000,000		0
Effective Interest Rate	4.62%	4.62%
Stated rate	4.875%	4.875%
Senior Notes \| 5.000% Euro Fixed Rate Notes due 2024
Debt Instrument [Line Items]
Principal	$ 401,000,000	€ 350,000,000	0
Carrying Amount	$ 427,000,000		0
Effective Interest Rate	3.823%	3.823%
Stated rate	5.00%	5.00%
Other Debt, primarily foreign instruments
Debt Instrument [Line Items]
Principal	$ 108,000,000		17,000,000
Carrying Amount	$ 106,000,000		$ 15,000,000

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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-Name Accounting Standards Codification
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