Debt and Other Financing Arrangements - Additional Information (Details) - USD ($)	Sep. 30, 2021	Dec. 31, 2020
Debt Instrument [Line Items]
Liquidity	$ 2,100,000,000
Cash	595,000,000
Unamortized debt issuance costs	83,000,000	$ 82,000,000
Long-term Debt	5,050,000,000	5,171,000,000
Tenneco Inc. revolving credit agreement
Debt Instrument [Line Items]
Long-term Debt	0
Other assets
Debt Instrument [Line Items]
Unamortized debt issuance costs	$ 12,000,000	$ 17,000,000