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Supplemental Guarantor Condensed Consolidating Financial Statements - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Ownership percentage of existing and future material domestic owned subsidiaries 100.00%ten_OwnershipPercentageOfExistingAndFutureMaterialDomesticOwnedSubsidiaries    
Comprehensive income (loss) attributable to Tenneco Inc. $ 41us-gaap_ComprehensiveIncomeNetOfTax $ 231us-gaap_ComprehensiveIncomeNetOfTax $ 249us-gaap_ComprehensiveIncomeNetOfTax
Missclassification Of Intercompany Dividends [Member]      
Intercompany dividends and net increase (decrease) in intercompany obligations   59ten_IntercompanyDividendsAndNetIncreaseDecreaseInIntercompanyObligations
/ us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementByRestatementPeriodAndAmountAxis
= ten_MissclassificationOfIntercompanyDividendsMember		 47ten_IntercompanyDividendsAndNetIncreaseDecreaseInIntercompanyObligations
/ us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementByRestatementPeriodAndAmountAxis
= ten_MissclassificationOfIntercompanyDividendsMember
Correction To Other Comprehensive Income (Loss) [Member]      
Comprehensive income (loss) attributable to Tenneco Inc.   $ 48us-gaap_ComprehensiveIncomeNetOfTax
/ us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementByRestatementPeriodAndAmountAxis
= ten_CorrectionToOtherComprehensiveIncomeLossMember		 $ 26us-gaap_ComprehensiveIncomeNetOfTax
/ us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementByRestatementPeriodAndAmountAxis
= ten_CorrectionToOtherComprehensiveIncomeLossMember