3.8.0.1 html 421 599 1 true 118 0 false 12 false false R1.htm 00090 - Document - Document and Entity Information Sheet http://www.venatorcorp.com/role/DocumentDocumentAndEntityInformation Document and Entity Information Cover 1 false false R2.htm 00100 - Statement - CONSOLIDATED AND COMBINED BALANCE SHEETS Sheet http://www.venatorcorp.com/role/StatementConsolidatedAndCombinedBalanceSheets CONSOLIDATED AND COMBINED BALANCE SHEETS Statements 2 false false R3.htm 00105 - Statement - CONSOLIDATED AND COMBINED BALANCE SHEETS (Parenthetical) Sheet http://www.venatorcorp.com/role/StatementConsolidatedAndCombinedBalanceSheetsParenthetical CONSOLIDATED AND COMBINED BALANCE SHEETS (Parenthetical) Statements 3 false false R4.htm 00200 - Statement - CONSOLIDATED AND COMBINED STATEMENTS OF OPERATIONS Sheet http://www.venatorcorp.com/role/StatementConsolidatedAndCombinedStatementsOfOperations CONSOLIDATED AND COMBINED STATEMENTS OF OPERATIONS Statements 4 false false R5.htm 00205 - Statement - CONSOLIDATED AND COMBINED STATEMENTS OF OPERATIONS (Parenthetical) Sheet http://www.venatorcorp.com/role/StatementConsolidatedAndCombinedStatementsOfOperationsParenthetical CONSOLIDATED AND COMBINED STATEMENTS OF OPERATIONS (Parenthetical) Statements 5 false false R6.htm 00300 - Statement - CONSOLIDATED AND COMBINED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) Sheet http://www.venatorcorp.com/role/StatementConsolidatedAndCombinedStatementsOfComprehensiveIncomeLoss CONSOLIDATED AND COMBINED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) Statements 6 false false R7.htm 00400 - Statement - CONSOLIDATED AND COMBINED STATEMENTS OF EQUITY Sheet http://www.venatorcorp.com/role/StatementConsolidatedAndCombinedStatementsOfEquity CONSOLIDATED AND COMBINED STATEMENTS OF EQUITY Statements 7 false false R8.htm 00500 - Statement - CONSOLIDATED AND COMBINED STATEMENTS OF CASH FLOWS Sheet http://www.venatorcorp.com/role/StatementConsolidatedAndCombinedStatementsOfCashFlows CONSOLIDATED AND COMBINED STATEMENTS OF CASH FLOWS Statements 8 false false R9.htm 10101 - Disclosure - DESCRIPTION OF BUSINESS, RECENT DEVELOPMENTS, BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Sheet http://www.venatorcorp.com/role/DisclosureDescriptionOfBusinessRecentDevelopmentsBasisOfPresentationAndSummaryOfSignificantAccountingPolicies DESCRIPTION OF BUSINESS, RECENT DEVELOPMENTS, BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Notes 9 false false R10.htm 10201 - Disclosure - RECENTLY ISSUED ACCOUNTING PRONOUNCEMENTS Sheet http://www.venatorcorp.com/role/DisclosureRecentlyIssuedAccountingPronouncements RECENTLY ISSUED ACCOUNTING PRONOUNCEMENTS Notes 10 false false R11.htm 10301 - Disclosure - EARNINGS (LOSSES) PER SHARE Sheet http://www.venatorcorp.com/role/DisclosureEarningsLossesPerShare EARNINGS (LOSSES) PER SHARE Notes 11 false false R12.htm 10401 - Disclosure - INVENTORIES Sheet http://www.venatorcorp.com/role/DisclosureInventories INVENTORIES Notes 12 false false R13.htm 10501 - Disclosure - PROPERTY, PLANT AND EQUIPMENT Sheet http://www.venatorcorp.com/role/DisclosurePropertyPlantAndEquipment PROPERTY, PLANT AND EQUIPMENT Notes 13 false false R14.htm 10601 - Disclosure - INVESTMENT IN UNCONSOLIDATED AFFILIATES Sheet http://www.venatorcorp.com/role/DisclosureInvestmentInUnconsolidatedAffiliates INVESTMENT IN UNCONSOLIDATED AFFILIATES Notes 14 false false R15.htm 10701 - Disclosure - VARIABLE INTEREST ENTITIES Sheet http://www.venatorcorp.com/role/DisclosureVariableInterestEntities VARIABLE INTEREST ENTITIES Notes 15 false false R16.htm 10801 - Disclosure - INTANGIBLE ASSETS Sheet http://www.venatorcorp.com/role/DisclosureIntangibleAssets INTANGIBLE ASSETS Notes 16 false false R17.htm 10901 - Disclosure - OTHER NONCURRENT ASSETS Sheet http://www.venatorcorp.com/role/DisclosureOtherNoncurrentAssets OTHER NONCURRENT ASSETS Notes 17 false false R18.htm 11001 - Disclosure - ACCRUED LIABILITIES Sheet http://www.venatorcorp.com/role/DisclosureAccruedLiabilities ACCRUED LIABILITIES Notes 18 false false R19.htm 11101 - Disclosure - RESTRUCTURING, IMPAIRMENT AND PLANT CLOSING AND TRANSITION COSTS Sheet http://www.venatorcorp.com/role/DisclosureRestructuringImpairmentAndPlantClosingAndTransitionCosts RESTRUCTURING, IMPAIRMENT AND PLANT CLOSING AND TRANSITION COSTS Notes 19 false false R20.htm 11201 - Disclosure - ASSET RETIREMENT OBLIGATIONS Sheet http://www.venatorcorp.com/role/DisclosureAssetRetirementObligations ASSET RETIREMENT OBLIGATIONS Notes 20 false false R21.htm 11301 - Disclosure - OTHER NONCURRENT LIABILITIES Sheet http://www.venatorcorp.com/role/DisclosureOtherNoncurrentLiabilities OTHER NONCURRENT LIABILITIES Notes 21 false false R22.htm 11401 - Disclosure - DEBT Sheet http://www.venatorcorp.com/role/DisclosureDebt DEBT Notes 22 false false R23.htm 11501 - Disclosure - DISCONTINUED OPERATIONS Sheet http://www.venatorcorp.com/role/DisclosureDiscontinuedOperations DISCONTINUED OPERATIONS Notes 23 false false R24.htm 11601 - Disclosure - DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES Sheet http://www.venatorcorp.com/role/DisclosureDerivativeInstrumentsAndHedgingActivities DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES Notes 24 false false R25.htm 11701 - Disclosure - SHARE-BASED COMPENSATION PLAN Sheet http://www.venatorcorp.com/role/DisclosureShareBasedCompensationPlan SHARE-BASED COMPENSATION PLAN Notes 25 false false R26.htm 11801 - Disclosure - INCOME TAXES Sheet http://www.venatorcorp.com/role/DisclosureIncomeTaxes INCOME TAXES Notes 26 false false R27.htm 11901 - Disclosure - EMPLOYEE BENEFIT PLANS Sheet http://www.venatorcorp.com/role/DisclosureEmployeeBenefitPlans EMPLOYEE BENEFIT PLANS Notes 27 false false R28.htm 12001 - Disclosure - RELATED PARTY TRANSACTIONS Sheet http://www.venatorcorp.com/role/DisclosureRelatedPartyTransactions RELATED PARTY TRANSACTIONS Notes 28 false false R29.htm 12101 - Disclosure - COMMITMENTS AND CONTINGENCIES Sheet http://www.venatorcorp.com/role/DisclosureCommitmentsAndContingencies COMMITMENTS AND CONTINGENCIES Notes 29 false false R30.htm 12201 - Disclosure - ENVIRONMENTAL, HEALTH AND SAFETY MATTERS Sheet http://www.venatorcorp.com/role/DisclosureEnvironmentalHealthAndSafetyMatters ENVIRONMENTAL, HEALTH AND SAFETY MATTERS Notes 30 false false R31.htm 12301 - Disclosure - OTHER COMPREHENSIVE LOSS Sheet http://www.venatorcorp.com/role/DisclosureOtherComprehensiveLoss OTHER COMPREHENSIVE LOSS Notes 31 false false R32.htm 12401 - Disclosure - OPERATING SEGMENT INFORMATION Sheet http://www.venatorcorp.com/role/DisclosureOperatingSegmentInformation OPERATING SEGMENT INFORMATION Notes 32 false false R33.htm 12501 - Disclosure - SELECTED UNAUDITED QUARTERLY FINANCIAL DATA Sheet http://www.venatorcorp.com/role/DisclosureSelectedUnauditedQuarterlyFinancialData SELECTED UNAUDITED QUARTERLY FINANCIAL DATA Notes 33 false false R34.htm 12601 - Disclosure - Schedule II???Valuation and Qualifying Accounts Sheet http://www.venatorcorp.com/role/DisclosureScheduleIivaluationAndQualifyingAccounts Schedule II???Valuation and Qualifying Accounts Notes 34 false false R35.htm 20102 - Disclosure - DESCRIPTION OF BUSINESS, RECENT DEVELOPMENTS, BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies) Sheet http://www.venatorcorp.com/role/DisclosureDescriptionOfBusinessRecentDevelopmentsBasisOfPresentationAndSummaryOfSignificantAccountingPoliciesPolicies DESCRIPTION OF BUSINESS, RECENT DEVELOPMENTS, BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies) Policies 35 false false R36.htm 30103 - Disclosure - DESCRIPTION OF BUSINESS, RECENT DEVELOPMENTS, BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING (Tables) Sheet http://www.venatorcorp.com/role/DisclosureDescriptionOfBusinessRecentDevelopmentsBasisOfPresentationAndSummaryOfSignificantAccountingTables DESCRIPTION OF BUSINESS, RECENT DEVELOPMENTS, BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING (Tables) Tables http://www.venatorcorp.com/role/DisclosureDescriptionOfBusinessRecentDevelopmentsBasisOfPresentationAndSummaryOfSignificantAccountingPolicies 36 false false R37.htm 30301 - Disclosure - EARNINGS (LOSSES) PER SHARE (Tables) Sheet http://www.venatorcorp.com/role/DisclosureEarningsLossesPerShareTables EARNINGS (LOSSES) PER SHARE (Tables) Tables http://www.venatorcorp.com/role/DisclosureEarningsLossesPerShare 37 false false R38.htm 30403 - Disclosure - INVENTORIES (Tables) Sheet http://www.venatorcorp.com/role/DisclosureInventoriesTables INVENTORIES (Tables) Tables http://www.venatorcorp.com/role/DisclosureInventories 38 false false R39.htm 30503 - Disclosure - PROPERTY, PLANT AND EQUIPMENT (Tables) Sheet http://www.venatorcorp.com/role/DisclosurePropertyPlantAndEquipmentTables PROPERTY, PLANT AND EQUIPMENT (Tables) Tables http://www.venatorcorp.com/role/DisclosurePropertyPlantAndEquipment 39 false false R40.htm 30703 - Disclosure - VARIABLE INTEREST ENTITIES (Tables) Sheet http://www.venatorcorp.com/role/DisclosureVariableInterestEntitiesTables VARIABLE INTEREST ENTITIES (Tables) Tables http://www.venatorcorp.com/role/DisclosureVariableInterestEntities 40 false false R41.htm 30803 - Disclosure - INTANGIBLE ASSETS (Tables) Sheet http://www.venatorcorp.com/role/DisclosureIntangibleAssetsTables INTANGIBLE ASSETS (Tables) Tables http://www.venatorcorp.com/role/DisclosureIntangibleAssets 41 false false R42.htm 30903 - Disclosure - OTHER NONCURRENT ASSETS (Tables) Sheet http://www.venatorcorp.com/role/DisclosureOtherNoncurrentAssetsTables OTHER NONCURRENT ASSETS (Tables) Tables http://www.venatorcorp.com/role/DisclosureOtherNoncurrentAssets 42 false false R43.htm 31003 - Disclosure - ACCRUED LIABILITIES (Tables) Sheet http://www.venatorcorp.com/role/DisclosureAccruedLiabilitiesTables ACCRUED LIABILITIES (Tables) Tables http://www.venatorcorp.com/role/DisclosureAccruedLiabilities 43 false false R44.htm 31103 - Disclosure - RESTRUCTURING, IMPAIRMENT AND PLANT CLOSING AND TRANSITION COSTS (Tables) Sheet http://www.venatorcorp.com/role/DisclosureRestructuringImpairmentAndPlantClosingAndTransitionCostsTables RESTRUCTURING, IMPAIRMENT AND PLANT CLOSING AND TRANSITION COSTS (Tables) Tables http://www.venatorcorp.com/role/DisclosureRestructuringImpairmentAndPlantClosingAndTransitionCosts 44 false false R45.htm 31203 - Disclosure - ASSET RETIREMENT OBLIGATIONS (Tables) Sheet http://www.venatorcorp.com/role/DisclosureAssetRetirementObligationsTables ASSET RETIREMENT OBLIGATIONS (Tables) Tables http://www.venatorcorp.com/role/DisclosureAssetRetirementObligations 45 false false R46.htm 31303 - Disclosure - OTHER NONCURRENT LIABILITIES (Tables) Sheet http://www.venatorcorp.com/role/DisclosureOtherNoncurrentLiabilitiesTables OTHER NONCURRENT LIABILITIES (Tables) Tables http://www.venatorcorp.com/role/DisclosureOtherNoncurrentLiabilities 46 false false R47.htm 31403 - Disclosure - DEBT (Tables) Sheet http://www.venatorcorp.com/role/DisclosureDebtTables DEBT (Tables) Tables http://www.venatorcorp.com/role/DisclosureDebt 47 false false R48.htm 31503 - Disclosure - DISCONTINUED OPERATIONS (Tables) Sheet http://www.venatorcorp.com/role/DisclosureDiscontinuedOperationsTables DISCONTINUED OPERATIONS (Tables) Tables http://www.venatorcorp.com/role/DisclosureDiscontinuedOperations 48 false false R49.htm 31703 - Disclosure - SHARE-BASED COMPENSATION PLAN (Tables) Sheet http://www.venatorcorp.com/role/DisclosureShareBasedCompensationPlanTables SHARE-BASED COMPENSATION PLAN (Tables) Tables http://www.venatorcorp.com/role/DisclosureShareBasedCompensationPlan 49 false false R50.htm 31803 - Disclosure - INCOME TAXES (Tables) Sheet http://www.venatorcorp.com/role/DisclosureIncomeTaxesTables INCOME TAXES (Tables) Tables http://www.venatorcorp.com/role/DisclosureIncomeTaxes 50 false false R51.htm 31903 - Disclosure - EMPLOYEE BENEFIT PLANS (Tables) Sheet http://www.venatorcorp.com/role/DisclosureEmployeeBenefitPlansTables EMPLOYEE BENEFIT PLANS (Tables) Tables http://www.venatorcorp.com/role/DisclosureEmployeeBenefitPlans 51 false false R52.htm 32103 - Disclosure - COMMITMENTS AND CONTINGENCIES (Tables) Sheet http://www.venatorcorp.com/role/DisclosureCommitmentsAndContingenciesTables COMMITMENTS AND CONTINGENCIES (Tables) Tables http://www.venatorcorp.com/role/DisclosureCommitmentsAndContingencies 52 false false R53.htm 32303 - Disclosure - OTHER COMPREHENSIVE LOSS (Tables) Sheet http://www.venatorcorp.com/role/DisclosureOtherComprehensiveLossTables OTHER COMPREHENSIVE LOSS (Tables) Tables http://www.venatorcorp.com/role/DisclosureOtherComprehensiveLoss 53 false false R54.htm 32403 - Disclosure - OPERATING SEGMENT INFORMATION (Tables) Sheet http://www.venatorcorp.com/role/DisclosureOperatingSegmentInformationTables OPERATING SEGMENT INFORMATION (Tables) Tables http://www.venatorcorp.com/role/DisclosureOperatingSegmentInformation 54 false false R55.htm 32503 - Disclosure - SELECTED UNAUDITED QUARTERLY FINANCIAL DATA (Tables) Sheet http://www.venatorcorp.com/role/DisclosureSelectedUnauditedQuarterlyFinancialDataTables SELECTED UNAUDITED QUARTERLY FINANCIAL DATA (Tables) Tables http://www.venatorcorp.com/role/DisclosureSelectedUnauditedQuarterlyFinancialData 55 false false R56.htm 40101 - Disclosure - GENERAL, DESCRIPTION OF BUSINESS, RECENT DEVELOPMENTS AND BASIS OF PRESENTATION - GENERAL (Details) Sheet http://www.venatorcorp.com/role/DisclosureGeneralDescriptionOfBusinessRecentDevelopmentsAndBasisOfPresentationGeneralDetails GENERAL, DESCRIPTION OF BUSINESS, RECENT DEVELOPMENTS AND BASIS OF PRESENTATION - GENERAL (Details) Details 56 false false R57.htm 40102 - Disclosure - GENERAL, DESCRIPTION OF BUSINESS, RECENT DEVELOPMENTS AND BASIS OF PRESENTATION - IPO AND SEPARATION (Details) Sheet http://www.venatorcorp.com/role/DisclosureGeneralDescriptionOfBusinessRecentDevelopmentsAndBasisOfPresentationIpoAndSeparationDetails GENERAL, DESCRIPTION OF BUSINESS, RECENT DEVELOPMENTS AND BASIS OF PRESENTATION - IPO AND SEPARATION (Details) Details 57 false false R58.htm 40103 - Disclosure - GENERAL, DESCRIPTION OF BUSINESS, RECENT DEVELOPMENTS AND BASIS OF PRESENTATION - DEBT (Details) Sheet http://www.venatorcorp.com/role/DisclosureGeneralDescriptionOfBusinessRecentDevelopmentsAndBasisOfPresentationDebtDetails GENERAL, DESCRIPTION OF BUSINESS, RECENT DEVELOPMENTS AND BASIS OF PRESENTATION - DEBT (Details) Details 58 false false R59.htm 40104 - Disclosure - GENERAL, DESCRIPTION OF BUSINESS, RECENT DEVELOPMENTS AND BASIS OF PRESENTATION - PORI, FINLAND (Details) Sheet http://www.venatorcorp.com/role/DisclosureGeneralDescriptionOfBusinessRecentDevelopmentsAndBasisOfPresentationPoriFinlandDetails GENERAL, DESCRIPTION OF BUSINESS, RECENT DEVELOPMENTS AND BASIS OF PRESENTATION - PORI, FINLAND (Details) Details 59 false false R60.htm 40105 - Disclosure - GENERAL, DESCRIPTION OF BUSINESS, RECENT DEVELOPMENTS AND BASIS OF PRESENTATION - CORPORATE ALLOCATION (Details) Sheet http://www.venatorcorp.com/role/DisclosureGeneralDescriptionOfBusinessRecentDevelopmentsAndBasisOfPresentationCorporateAllocationDetails GENERAL, DESCRIPTION OF BUSINESS, RECENT DEVELOPMENTS AND BASIS OF PRESENTATION - CORPORATE ALLOCATION (Details) Details 60 false false R61.htm 40106 - Disclosure - GENERAL, DESCRIPTION OF BUSINESS, RECENT DEVELOPMENTS AND BASIS OF PRESENTATION - FOREIGN CURRENCY TRANSLATION (Details) Sheet http://www.venatorcorp.com/role/DisclosureGeneralDescriptionOfBusinessRecentDevelopmentsAndBasisOfPresentationForeignCurrencyTranslationDetails GENERAL, DESCRIPTION OF BUSINESS, RECENT DEVELOPMENTS AND BASIS OF PRESENTATION - FOREIGN CURRENCY TRANSLATION (Details) Details 61 false false R62.htm 40107 - Disclosure - GENERAL, DESCRIPTION OF BUSINESS, RECENT DEVELOPMENTS AND BASIS OF PRESENTATION - INCOME TAXES (Details) Sheet http://www.venatorcorp.com/role/DisclosureGeneralDescriptionOfBusinessRecentDevelopmentsAndBasisOfPresentationIncomeTaxesDetails GENERAL, DESCRIPTION OF BUSINESS, RECENT DEVELOPMENTS AND BASIS OF PRESENTATION - INCOME TAXES (Details) Details 62 false false R63.htm 40108 - Disclosure - GENERAL, DESCRIPTION OF BUSINESS, RECENT DEVELOPMENTS AND BASIS OF PRESENTATION - INTANGIBLE ASSETS AND GOODWILL (Details) Sheet http://www.venatorcorp.com/role/DisclosureGeneralDescriptionOfBusinessRecentDevelopmentsAndBasisOfPresentationIntangibleAssetsAndGoodwillDetails GENERAL, DESCRIPTION OF BUSINESS, RECENT DEVELOPMENTS AND BASIS OF PRESENTATION - INTANGIBLE ASSETS AND GOODWILL (Details) Details 63 false false R64.htm 40109 - Disclosure - GENERAL, DESCRIPTION OF BUSINESS, RECENT DEVELOPMENTS AND BASIS OF PRESENTATION - PPE (Details) Sheet http://www.venatorcorp.com/role/DisclosureGeneralDescriptionOfBusinessRecentDevelopmentsAndBasisOfPresentationPpeDetails GENERAL, DESCRIPTION OF BUSINESS, RECENT DEVELOPMENTS AND BASIS OF PRESENTATION - PPE (Details) Details 64 false false R65.htm 40110 - Disclosure - GENERAL, DESCRIPTION OF BUSINESS, RECENT DEVELOPMENTS AND BASIS OF PRESENTATION - RESEARCH AND DEVELOPMENT (Details) Sheet http://www.venatorcorp.com/role/DisclosureGeneralDescriptionOfBusinessRecentDevelopmentsAndBasisOfPresentationResearchAndDevelopmentDetails GENERAL, DESCRIPTION OF BUSINESS, RECENT DEVELOPMENTS AND BASIS OF PRESENTATION - RESEARCH AND DEVELOPMENT (Details) Details 65 false false R66.htm 40301 - Disclosure - EARNINGS (LOSSES) PER SHARE (Details) Sheet http://www.venatorcorp.com/role/DisclosureEarningsLossesPerShareDetails EARNINGS (LOSSES) PER SHARE (Details) Details http://www.venatorcorp.com/role/DisclosureEarningsLossesPerShareTables 66 false false R67.htm 40401 - Disclosure - INVENTORIES (Details) Sheet http://www.venatorcorp.com/role/DisclosureInventoriesDetails INVENTORIES (Details) Details http://www.venatorcorp.com/role/DisclosureInventoriesTables 67 false false R68.htm 40501 - Disclosure - PROPERTY, PLANT AND EQUIPMENT (Details) Sheet http://www.venatorcorp.com/role/DisclosurePropertyPlantAndEquipmentDetails PROPERTY, PLANT AND EQUIPMENT (Details) Details http://www.venatorcorp.com/role/DisclosurePropertyPlantAndEquipmentTables 68 false false R69.htm 40601 - Disclosure - INVESTMENT IN UNCONSOLIDATED AFFILIATES (Details) Sheet http://www.venatorcorp.com/role/DisclosureInvestmentInUnconsolidatedAffiliatesDetails INVESTMENT IN UNCONSOLIDATED AFFILIATES (Details) Details http://www.venatorcorp.com/role/DisclosureInvestmentInUnconsolidatedAffiliates 69 false false R70.htm 40701 - Disclosure - VARIABLE INTEREST ENTITIES (Details) Sheet http://www.venatorcorp.com/role/DisclosureVariableInterestEntitiesDetails VARIABLE INTEREST ENTITIES (Details) Details http://www.venatorcorp.com/role/DisclosureVariableInterestEntitiesTables 70 false false R71.htm 40801 - Disclosure - INTANGIBLE ASSETS (Details) Sheet http://www.venatorcorp.com/role/DisclosureIntangibleAssetsDetails INTANGIBLE ASSETS (Details) Details http://www.venatorcorp.com/role/DisclosureIntangibleAssetsTables 71 false false R72.htm 40901 - Disclosure - OTHER NONCURRENT ASSETS (Details) Sheet http://www.venatorcorp.com/role/DisclosureOtherNoncurrentAssetsDetails OTHER NONCURRENT ASSETS (Details) Details http://www.venatorcorp.com/role/DisclosureOtherNoncurrentAssetsTables 72 false false R73.htm 41001 - Disclosure - ACCRUED LIABILITIES (Details) Sheet http://www.venatorcorp.com/role/DisclosureAccruedLiabilitiesDetails ACCRUED LIABILITIES (Details) Details http://www.venatorcorp.com/role/DisclosureAccruedLiabilitiesTables 73 false false R74.htm 41101 - Disclosure - RESTRUCTURING, IMPAIRMENT AND PLANT CLOSING AND TRANSITION COSTS - ACCRUED RESTRUCTURING, IMPAIRMENT AND PLANT CLOSING COSTS BY TYPE OF COST AND INITIATIVE (Details) Sheet http://www.venatorcorp.com/role/DisclosureRestructuringImpairmentAndPlantClosingAndTransitionCostsAccruedRestructuringImpairmentAndPlantClosingCostsByTypeOfCostAndInitiativeDetails RESTRUCTURING, IMPAIRMENT AND PLANT CLOSING AND TRANSITION COSTS - ACCRUED RESTRUCTURING, IMPAIRMENT AND PLANT CLOSING COSTS BY TYPE OF COST AND INITIATIVE (Details) Details 74 false false R75.htm 41102 - Disclosure - RESTRUCTURING, IMPAIRMENT AND PLANT CLOSING AND TRANSITION COSTS - ACCRUED LIABILITIES BY INITIATIVE (Details) Sheet http://www.venatorcorp.com/role/DisclosureRestructuringImpairmentAndPlantClosingAndTransitionCostsAccruedLiabilitiesByInitiativeDetails RESTRUCTURING, IMPAIRMENT AND PLANT CLOSING AND TRANSITION COSTS - ACCRUED LIABILITIES BY INITIATIVE (Details) Details 75 false false R76.htm 41103 - Disclosure - RESTRUCTURING, IMPAIRMENT AND PLANT CLOSING AND TRANSITION COSTS - RESERVES FOR RESTRUCTURING, IMPAIRMENT AND PLANT CLOSING COSTS (Details) Sheet http://www.venatorcorp.com/role/DisclosureRestructuringImpairmentAndPlantClosingAndTransitionCostsReservesForRestructuringImpairmentAndPlantClosingCostsDetails RESTRUCTURING, IMPAIRMENT AND PLANT CLOSING AND TRANSITION COSTS - RESERVES FOR RESTRUCTURING, IMPAIRMENT AND PLANT CLOSING COSTS (Details) Details 76 false false R77.htm 41104 - Disclosure - RESTRUCTURING, IMPAIRMENT AND PLANT CLOSING AND TRANSITION COSTS - CASH AND NONCASH RESTRUCTURING CHARGES AND OTHER INFORMATION (Details) Sheet http://www.venatorcorp.com/role/DisclosureRestructuringImpairmentAndPlantClosingAndTransitionCostsCashAndNoncashRestructuringChargesAndOtherInformationDetails RESTRUCTURING, IMPAIRMENT AND PLANT CLOSING AND TRANSITION COSTS - CASH AND NONCASH RESTRUCTURING CHARGES AND OTHER INFORMATION (Details) Details 77 false false R78.htm 41201 - Disclosure - ASSET RETIREMENT OBLIGATIONS (Details) Sheet http://www.venatorcorp.com/role/DisclosureAssetRetirementObligationsDetails ASSET RETIREMENT OBLIGATIONS (Details) Details http://www.venatorcorp.com/role/DisclosureAssetRetirementObligationsTables 78 false false R79.htm 41301 - Disclosure - OTHER NONCURRENT LIABILITIES (Details) Sheet http://www.venatorcorp.com/role/DisclosureOtherNoncurrentLiabilitiesDetails OTHER NONCURRENT LIABILITIES (Details) Details http://www.venatorcorp.com/role/DisclosureOtherNoncurrentLiabilitiesTables 79 false false R80.htm 41401 - Disclosure - DEBT - OUTSTANDING DEBT (Details) Sheet http://www.venatorcorp.com/role/DisclosureDebtOutstandingDebtDetails DEBT - OUTSTANDING DEBT (Details) Details 80 false false R81.htm 41402 - Disclosure - DEBT - SENIOR NOTES, SENIOR CREDIT FACILITIES (Details) Notes http://www.venatorcorp.com/role/DisclosureDebtSeniorNotesSeniorCreditFacilitiesDetails DEBT - SENIOR NOTES, SENIOR CREDIT FACILITIES (Details) Details 81 false false R82.htm 41403 - Disclosure - DEBT - MATURITIES (Details) Sheet http://www.venatorcorp.com/role/DisclosureDebtMaturitiesDetails DEBT - MATURITIES (Details) Details 82 false false R83.htm 41501 - Disclosure - DISCONTINUED OPERATIONS - BALANCE SHEET (Details) Sheet http://www.venatorcorp.com/role/DisclosureDiscontinuedOperationsBalanceSheetDetails DISCONTINUED OPERATIONS - BALANCE SHEET (Details) Details 83 false false R84.htm 41502 - Disclosure - DISCONTINUED OPERATIONS - OPERATIONS DATA (Details) Sheet http://www.venatorcorp.com/role/DisclosureDiscontinuedOperationsOperationsDataDetails DISCONTINUED OPERATIONS - OPERATIONS DATA (Details) Details 84 false false R85.htm 41601 - Disclosure - DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (Details) Sheet http://www.venatorcorp.com/role/DisclosureDerivativeInstrumentsAndHedgingActivitiesDetails DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (Details) Details http://www.venatorcorp.com/role/DisclosureDerivativeInstrumentsAndHedgingActivities 85 false false R86.htm 41701 - Disclosure - SHARE-BASED COMPENSATION PLAN (Details) Sheet http://www.venatorcorp.com/role/DisclosureShareBasedCompensationPlanDetails SHARE-BASED COMPENSATION PLAN (Details) Details http://www.venatorcorp.com/role/DisclosureShareBasedCompensationPlanTables 86 false false R87.htm 41702 - Disclosure - SHARE-BASED COMPENSATION PLAN - ASSUMPTIONS (Details) Sheet http://www.venatorcorp.com/role/DisclosureShareBasedCompensationPlanAssumptionsDetails SHARE-BASED COMPENSATION PLAN - ASSUMPTIONS (Details) Details 87 false false R88.htm 41703 - Disclosure - SHARE-BASED COMPENSATION PLAN - STOCK OPTIONS (Details) Sheet http://www.venatorcorp.com/role/DisclosureShareBasedCompensationPlanStockOptionsDetails SHARE-BASED COMPENSATION PLAN - STOCK OPTIONS (Details) Details 88 false false R89.htm 41704 - Disclosure - SHARE-BASED COMPENSATION PLAN - HUNTSMAN PLAN (Details) Sheet http://www.venatorcorp.com/role/DisclosureShareBasedCompensationPlanHuntsmanPlanDetails SHARE-BASED COMPENSATION PLAN - HUNTSMAN PLAN (Details) Details 89 false false R90.htm 41705 - Disclosure - SHARE-BASED COMPENSATION PLAN - NONVESTED SHARES (Details) Sheet http://www.venatorcorp.com/role/DisclosureShareBasedCompensationPlanNonvestedSharesDetails SHARE-BASED COMPENSATION PLAN - NONVESTED SHARES (Details) Details 90 false false R91.htm 41801 - Disclosure - INCOME TAXES - COMPONENTS OF INCOME TAX EXPENSE, RECONCILIATION, AND DEFERRED TAX ASSETS AND LIABILITIES (Details) Sheet http://www.venatorcorp.com/role/DisclosureIncomeTaxesComponentsOfIncomeTaxExpenseReconciliationAndDeferredTaxAssetsAndLiabilitiesDetails INCOME TAXES - COMPONENTS OF INCOME TAX EXPENSE, RECONCILIATION, AND DEFERRED TAX ASSETS AND LIABILITIES (Details) Details 91 false false R92.htm 41802 - Disclosure - INCOME TAXES - TAX CREDITS AND OPERATING LOSS CARRYFORWARDS (Details) Sheet http://www.venatorcorp.com/role/DisclosureIncomeTaxesTaxCreditsAndOperatingLossCarryforwardsDetails INCOME TAXES - TAX CREDITS AND OPERATING LOSS CARRYFORWARDS (Details) Details 92 false false R93.htm 41803 - Disclosure - INCOME TAXES - UNRECOGNIZED TAX BENEFITS AND TAX REFORM (Details) Sheet http://www.venatorcorp.com/role/DisclosureIncomeTaxesUnrecognizedTaxBenefitsAndTaxReformDetails INCOME TAXES - UNRECOGNIZED TAX BENEFITS AND TAX REFORM (Details) Details 93 false false R94.htm 41901 - Disclosure - EMPLOYEE BENEFIT PLANS - NARRATIVE (Details) Sheet http://www.venatorcorp.com/role/DisclosureEmployeeBenefitPlansNarrativeDetails EMPLOYEE BENEFIT PLANS - NARRATIVE (Details) Details 94 false false R95.htm 41902 - Disclosure - EMPLOYEE BENEFIT PLANS - FUNDED STATUS OF PLANS (Details) Sheet http://www.venatorcorp.com/role/DisclosureEmployeeBenefitPlansFundedStatusOfPlansDetails EMPLOYEE BENEFIT PLANS - FUNDED STATUS OF PLANS (Details) Details 95 false false R96.htm 41903 - Disclosure - EMPLOYEE BENEFIT PLANS - NET PERIODIC COST AND OCI (Details) Sheet http://www.venatorcorp.com/role/DisclosureEmployeeBenefitPlansNetPeriodicCostAndOciDetails EMPLOYEE BENEFIT PLANS - NET PERIODIC COST AND OCI (Details) Details 96 false false R97.htm 41904 - Disclosure - EMPLOYEE BENEFIT PLANS - PROJECTED BENEFIT OBLIGATION (Details) Sheet http://www.venatorcorp.com/role/DisclosureEmployeeBenefitPlansProjectedBenefitObligationDetails EMPLOYEE BENEFIT PLANS - PROJECTED BENEFIT OBLIGATION (Details) Details 97 false false R98.htm 41905 - Disclosure - EMPLOYEE BENEFIT PLANS - FAIR VALUE OF PLAN ASSETS (Details) Sheet http://www.venatorcorp.com/role/DisclosureEmployeeBenefitPlansFairValueOfPlanAssetsDetails EMPLOYEE BENEFIT PLANS - FAIR VALUE OF PLAN ASSETS (Details) Details 98 false false R99.htm 41906 - Disclosure - EMPLOYEE BENEFIT PLANS - DEFINED BENEFIT AND CONTRIBUTION PLANS (Details) Sheet http://www.venatorcorp.com/role/DisclosureEmployeeBenefitPlansDefinedBenefitAndContributionPlansDetails EMPLOYEE BENEFIT PLANS - DEFINED BENEFIT AND CONTRIBUTION PLANS (Details) Details 99 false false R100.htm 42001 - Disclosure - RELATED PARTY TRANSACTIONS (Details) Sheet http://www.venatorcorp.com/role/DisclosureRelatedPartyTransactionsDetails RELATED PARTY TRANSACTIONS (Details) Details http://www.venatorcorp.com/role/DisclosureRelatedPartyTransactions 100 false false R101.htm 42101 - Disclosure - COMMITMENTS AND CONTINGENCIES - PURCHASE COMMITMENTS AND OPERATING LEASES (Details) Sheet http://www.venatorcorp.com/role/DisclosureCommitmentsAndContingenciesPurchaseCommitmentsAndOperatingLeasesDetails COMMITMENTS AND CONTINGENCIES - PURCHASE COMMITMENTS AND OPERATING LEASES (Details) Details 101 false false R102.htm 42102 - Disclosure - COMMITMENTS AND CONTINGENCIES - LEGAL MATTERS (Details) Sheet http://www.venatorcorp.com/role/DisclosureCommitmentsAndContingenciesLegalMattersDetails COMMITMENTS AND CONTINGENCIES - LEGAL MATTERS (Details) Details 102 false false R103.htm 42201 - Disclosure - ENVIRONMENTAL, HEALTH AND SAFETY MATTERS (Details) Sheet http://www.venatorcorp.com/role/DisclosureEnvironmentalHealthAndSafetyMattersDetails ENVIRONMENTAL, HEALTH AND SAFETY MATTERS (Details) Details http://www.venatorcorp.com/role/DisclosureEnvironmentalHealthAndSafetyMatters 103 false false R104.htm 42301 - Disclosure - OTHER COMPREHENSIVE LOSS - OTHER COMPREHENSIVE LOSS (Details) Sheet http://www.venatorcorp.com/role/DisclosureOtherComprehensiveLossOtherComprehensiveLossDetails OTHER COMPREHENSIVE LOSS - OTHER COMPREHENSIVE LOSS (Details) Details 104 false false R105.htm 42302 - Disclosure - OTHER COMPREHENSIVE LOSS - RECLASSIFICATION DETAILS (Details) Sheet http://www.venatorcorp.com/role/DisclosureOtherComprehensiveLossReclassificationDetailsDetails OTHER COMPREHENSIVE LOSS - RECLASSIFICATION DETAILS (Details) Details 105 false false R106.htm 42401 - Disclosure - OPERATING SEGMENT INFORMATION - FINANCIAL INFORMATION BY SEGMENT (Details) Sheet http://www.venatorcorp.com/role/DisclosureOperatingSegmentInformationFinancialInformationBySegmentDetails OPERATING SEGMENT INFORMATION - FINANCIAL INFORMATION BY SEGMENT (Details) Details 106 false false R107.htm 42402 - Disclosure - OPERATING SEGMENT INFORMATION - REVENUES AND LONG-LIVED ASSETS BY GEOGRAPHICAL AREA (Details) Sheet http://www.venatorcorp.com/role/DisclosureOperatingSegmentInformationRevenuesAndLongLivedAssetsByGeographicalAreaDetails OPERATING SEGMENT INFORMATION - REVENUES AND LONG-LIVED ASSETS BY GEOGRAPHICAL AREA (Details) Details 107 false false R108.htm 42501 - Disclosure - SELECTED UNAUDITED QUARTERLY FINANCIAL DATA (Details) Sheet http://www.venatorcorp.com/role/DisclosureSelectedUnauditedQuarterlyFinancialDataDetails SELECTED UNAUDITED QUARTERLY FINANCIAL DATA (Details) Details http://www.venatorcorp.com/role/DisclosureSelectedUnauditedQuarterlyFinancialDataTables 108 false false R109.htm 42601 - Disclosure - Schedule II - VALUATION AND QUALIFYING ACCOUNTS (Details) Sheet http://www.venatorcorp.com/role/DisclosureScheduleIiValuationAndQualifyingAccountsDetails Schedule II - VALUATION AND QUALIFYING ACCOUNTS (Details) Details 109 false false All Reports Book All Reports vntr-20171231.xml vntr-20171231.xsd vntr-20171231_cal.xml vntr-20171231_def.xml vntr-20171231_lab.xml vntr-20171231_pre.xml http://xbrl.sec.gov/invest/2013-01-31 http://xbrl.sec.gov/dei/2014-01-31 http://xbrl.sec.gov/country/2017-01-31 http://fasb.org/us-gaap/2017-01-31 true true