Debt and Other Financing Arrangements - Summary of Long-Term Debt Obligations (Details)	Jun. 30, 2019 USD ($)	Jun. 30, 2019 EUR (€)	Dec. 31, 2018 USD ($)
Debt Instrument [Line Items]
Carrying Amount	$ 5,588,000,000		$ 5,413,000,000
Less — maturities classified as current	80,000,000		73,000,000
Total long-term debt	5,508,000,000		5,340,000,000
Unamortized debt issuance costs	83,000,000		90,000,000
Unamortized premium	(43,000,000)		(49,000,000)
Line of Credit \| Revolver Borrowings Due 2023
Debt Instrument [Line Items]
Principal	250,000,000		0
Carrying Amount	250,000,000		0
Term Loan \| Tenneco Inc. Term Loan A
Debt Instrument [Line Items]
Principal	1,658,000,000		1,700,000,000
Carrying Amount	$ 1,649,000,000		1,691,000,000
Stated rate	1.75%	1.75%
Term Loan \| Tenneco Inc. Term Loan B
Debt Instrument [Line Items]
Principal	$ 1,692,000,000		1,700,000,000
Carrying Amount	$ 1,626,000,000		$ 1,629,000,000
Stated rate	3.00%	3.00%	2.75%
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
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	$ 494,000,000		493,000,000
Stated rate	5.00%	5.00%
Senior Notes \| 4.875% Euro Fixed Rate Notes due 2022
Debt Instrument [Line Items]
Principal	$ 472,000,000	€ 415,000,000	476,000,000
Carrying Amount	$ 489,000,000		496,000,000
Stated rate	4.875%	4.875%
Senior Notes \| Euro Floating Rate Notes due 2024
Debt Instrument [Line Items]
Principal	$ 341,000,000	€ 300,000,000	344,000,000
Carrying Amount	$ 345,000,000		349,000,000
Stated rate	4.875%	4.875%
Senior Notes \| 5.000% Euro Fixed Rate Notes due 2024
Debt Instrument [Line Items]
Principal	$ 398,000,000	€ 350,000,000	401,000,000
Carrying Amount	$ 422,000,000		427,000,000
Stated rate	5.00%	5.00%
Other Debt, primarily foreign instruments
Debt Instrument [Line Items]
Principal	$ 93,000,000		108,000,000
Carrying Amount	$ 91,000,000		$ 106,000,000

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.

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