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yearsfalsefalsefalse26falsefalsefalse00falsefalsefalse27falsefalsefalse00falsefalsefalse28falsefalsefalse00falsefalsefalse29falsefalsefalse00falsefalsefalse30falsefalsefalse00falsefalsefalse31falsefalsefalse00falsefalsefalse32falsefalsefalse00falsefalsefalse33falsefalsefalse00falsefalsefalse34falsefalsefalse00falsefalsefalse35falsefalsefalse00falsefalsefalse36falsefalsefalse00falsefalsefalse37falsefalsefalse00falsefalsefalse38falsefalsefalse00falsefalsefalse39falsefalsefalse00falsefalsefalse40falsefalsefalse00falsefalsefalse41falsefalsefalse00falsefalsefalse42falsefalsefalse00falsefalsefalse43falsefalsefalse00falsefalsefalse44falsefalsefalse00falsefalsefalse45falsefalsefalse00falsefalsefalse46falsefalsefalse00falsefalsefalse47falsefalsefalse00falsefalsefalse48falsefalsefalse00falsefalsefalse49falsefalsefalse00falsefalsefalse50falsefalsefalse00falsefalsefalse51falsefalsefalse00falsefalsefalse52falsefalsefalse00falsefalsefalse53falsefalsefalse00falsefalsefalse54falsefalsefalse00falsefalsefalse55falsefalsefalse00falsefalsefalse56falsefalsefalse00falsefalsefalse57falsefalsefalse00falsefalsefalse58falsefalsefalse00falsefalsefalse59falsefalsefalse00falsefalsefalse60falsefalsefalse00falsefalsefalse61falsefalsefalse00falsefalsefalsexbrli:durationItemTypenaWeighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 false0Recognition of unrecognized compensation expense, weighted average period5false 4us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorizedus-gaap_truenainstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalse10falsefalsefalse00falsefalsefalse11falsefalsefalse00falsefalsefalse12falsefalsefalse00falsefalsefalse13falsefalsefalse00falsefalsefalse14falsefalsefalse00falsefalsefalse15falsefalsefalse00falsefalsefalse16falsefalsefalse00falsefalsefalse17falsefalsefalse00falsefalsefalse18falsefalsefalse00falsefalsefalse19falsefalsefalse00falsefalsefalse20falsefalsefalse00falsefalsefalse21falsefalsefalse00falsefalsefalse22falsefalsefalse00falsefalsefalse23falsefalsefalse00falsefalsefalse24falsefalsefalse00falsefalsefalse25falsefalsefalse00falsefalsefalse26falsefalsefalse00falsefalsefalse27falsefalsefalse00falsefalsefalse28falsefalsefalse00falsefalsefalse29falsefalsefalse00falsefalsefalse30falsefalsefalse00falsefalsefalse31falsefalsefalse00falsefalsefalse32falsefalsefalse00falsefalsefalse33falsefalsefalse00falsefalsefalse34falsefalsefalse00falsefalsefalse35truefalsefalse1278122512781225falsefalsefalse36truefalsefalse1278122512781225falsefalsefalse37falsefalsefalse00falsefalsefalse38falsefalsefalse00falsefalsefalse39falsefalsefalse00falsefalsefalse40falsefalsefalse00falsefalsefalse41falsefalsefalse00falsefalsefalse42falsefalsefalse00falsefalsefalse43falsefalsefalse00falsefalsefalse44falsefalsefalse00falsefalsefalse45falsefalsefalse00falsefalsefalse46falsefalsefalse00falsefalsefalse47falsefalsefalse00falsefalsefalse48falsefalsefalse00falsefalsefalse49falsefalsefalse00falsefalsefalse50falsefalsefalse00falsefalsefalse51falsefalsefalse00falsefalsefalse52falsefalsefalse00falsefalsefalse53falsefalsefalse00falsefalsefalse54falsefalsefalse00falsefalsefalse55falsefalsefalse00falsefalsefalse56falsefalsefalse00falsefalsefalse57truefalsefalse12000001200000falsefalsefalse58truefalsefalse12000001200000falsefalsefalse59falsefalsefalse00falsefalsefalse60falsefalsefalse00falsefalsefalse61falsefalsefalse00falsefalsefalsexbrli:sharesItemTypesharesThe maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph a -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 false1Number of shares, awards granted6false 4trox_TransfersToFundForAcquisitionOfSharestrox_falsecreditdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8truefalsefalse1500000015000000falsefalsefalse9truefalsefalse124000000124000000falsefalsefalse10falsefalsefalse00falsefalsefalse11falsefalsefalse00falsefalsefalse12falsefalsefalse00falsefalsefalse13falsefalsefalse00falsefalsefalse14falsefalsefalse00falsefalsefalse15falsefalsefalse00falsefalsefalse16falsefalsefalse00falsefalsefalse17falsefalsefalse00falsefalsefalse18falsefalsefalse00falsefalsefalse19falsefalsefalse00falsefalsefalse20falsefalsefalse00falsefalsefalse21falsefalsefalse00falsefalsefalse22falsefalsefalse00falsefalsefalse23falsefalsefalse00falsefalsefalse24falsefalsefalse00falsefalsefalse25falsefalsefalse00falsefalsefalse26falsefalsefalse00falsefalsefalse27falsefalsefalse00falsefalsefalse28falsefalsefalse00falsefalsefalse29falsefalsefalse00falsefalsefalse30falsefalsefalse00falsefalsefalse31falsefalsefalse00falsefalsefalse32falsefalsefalse00falsefalsefalse33falsefalsefalse00falsefalsefalse34falsefalsefalse00falsefalsefalse35falsefalsefalse00falsefalsefalse36falsefalsefalse00falsefalsefalse37falsefalsefalse00falsefalsefalse38falsefalsefalse00falsefalsefalse39falsefalsefalse00falsefalsefalse40falsefalsefalse00falsefalsefalse41falsefalsefalse00falsefalsefalse42falsefalsefalse00falsefalsefalse43falsefalsefalse00falsefalsefalse44falsefalsefalse00falsefalsefalse45falsefalsefalse00falsefalsefalse46falsefalsefalse00falsefalsefalse47falsefalsefalse00falsefalsefalse48falsefalsefalse00falsefalsefalse49falsefalsefalse00falsefalsefalse50falsefalsefalse00falsefalsefalse51falsefalsefalse00falsefalsefalse52falsefalsefalse00falsefalsefalse53falsefalsefalse00falsefalsefalse54falsefalsefalse00falsefalsefalse55falsefalsefalse00falsefalsefalse56falsefalsefalse00falsefalsefalse57falsefalsefalse00falsefalsefalse58falsefalsefalse00falsefalsefalse59falsefalsefalse00falsefalsefalse60falsefalsefalse00falsefalsefalse61falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryTransfers To Fund For Acquisition Of SharesNo definition available.false2Amount funded to the trust7false 4trox_CapitalContributiontrox_falsedebitdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9truefalsefalse7500075000falsefalsefalse10falsefalsefalse00falsefalsefalse11falsefalsefalse00falsefalsefalse12falsefalsefalse00falsefalsefalse13falsefalsefalse00falsefalsefalse14falsefalsefalse00falsefalsefalse15falsefalsefalse00falsefalsefalse16falsefalsefalse00falsefalsefalse17falsefalsefalse00falsefalsefalse18falsefalsefalse00falsefalsefalse19falsefalsefalse00falsefalsefalse20falsefalsefalse00falsefalsefalse21falsefalsefalse00falsefalsefalse22falsefalsefalse00falsefalsefalse23falsefalsefalse00falsefalsefalse24falsefalsefalse00falsefalsefalse25falsefalsefalse00falsefalsefalse26falsefalsefalse00falsefalsefalse27falsefalsefalse00falsefalsefalse28falsefalsefalse00falsefalsefalse29falsefalsefalse00falsefalsefalse30falsefalsefalse00falsefalsefalse31falsefalsefalse00falsefalsefalse32falsefalsefalse00falsefalsefalse33falsefalsefalse00falsefalsefalse34falsefalsefalse00falsefalsefalse35falsefalsefalse00falsefalsefalse36falsefalsefalse00falsefalsefalse37falsefalsefalse00falsefalsefalse38falsefalsefalse00falsefalsefalse39falsefalsefalse00falsefalsefalse40falsefalsefalse00falsefalsefalse41falsefalsefalse00falsefalsefalse42falsefalsefalse00falsefalsefalse43falsefalsefalse00falsefalsefalse44falsefalsefalse00falsefalsefalse45falsefalsefalse00falsefalsefalse46falsefalsefalse00falsefalsefalse47falsefalsefalse00falsefalsefalse48falsefalsefalse00falsefalsefalse49falsefalsefalse00falsefalsefalse50falsefalsefalse00falsefalsefalse51falsefalsefalse00falsefalsefalse52falsefalsefalse00falsefalsefalse53falsefalsefalse00falsefalsefalse54falsefalsefalse00falsefalsefalse55falsefalsefalse00falsefalsefalse56falsefalsefalse00falsefalsefalse57falsefalsefalse00falsefalsefalse58falsefalsefalse00falsefalsefalse59falsefalsefalse00falsefalsefalse60falsefalsefalse00falsefalsefalse61falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryCapital ContributionNo definition available.false2Capital contribution for each participant8false 4trox_NumberOfSharesAcquiredtrox_falsenainstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7truefalsefalse548234548234falsefalsefalse8truefalsefalse548234548234falsefalsefalse9truefalsefalse548234548234falsefalsefalse10falsefalsefalse00falsefalsefalse11falsefalsefalse00falsefalsefalse12falsefalsefalse00falsefalsefalse13falsefalsefalse00falsefalsefalse14falsefalsefalse00falsefalsefalse15falsefalsefalse00falsefalsefalse16falsefalsefalse00falsefalsefalse17falsefalsefalse00falsefalsefalse18falsefalsefalse00falsefalsefalse19falsefalsefalse00falsefalsefalse20falsefalsefalse00falsefalsefalse21falsefalsefalse00falsefalsefalse22falsefalsefalse00falsefalsefalse23falsefalsefalse00falsefalsefalse24falsefalsefalse00falsefalsefalse25falsefalsefalse00falsefalsefalse26falsefalsefalse00falsefalsefalse27falsefalsefalse00falsefalsefalse28falsefalsefalse00falsefalsefalse29falsefalsefalse00falsefalsefalse30falsefalsefalse00falsefalsefalse31falsefalsefalse00falsefalsefalse32falsefalsefalse00falsefalsefalse33falsefalsefalse00falsefalsefalse34falsefalsefalse00falsefalsefalse35falsefalsefalse00falsefalsefalse36falsefalsefalse00falsefalsefalse37falsefalsefalse00falsefalsefalse38falsefalsefalse00falsefalsefalse39falsefalsefalse00falsefalsefalse40falsefalsefalse00falsefalsefalse41falsefalsefalse00falsefalsefalse42falsefalsefalse00falsefalsefalse43falsefalsefalse00falsefalsefalse44falsefalsefalse00falsefalsefalse45falsefalsefalse00falsefalsefalse46falsefalsefalse00falsefalsefalse47falsefalsefalse00falsefalsefalse48falsefalsefalse00falsefalsefalse49falsefalsefalse00falsefalsefalse50falsefalsefalse00falsefalsefalse51falsefalsefalse00falsefalsefalse52falsefalsefalse00falsefalsefalse53falsefalsefalse00falsefalsefalse54falsefalsefalse00falsefalsefalse55falsefalsefalse00falsefalsefalse56falsefalsefalse00falsefalsefalse57falsefalsefalse00falsefalsefalse58falsefalsefalse00falsefalsefalse59falsefalsefalse00falsefalsefalse60falsefalsefalse00falsefalsefalse61falsefalsefalse00falsefalsefalsexbrli:sharesItemTypesharesNumber Of Shares AcquiredNo definition available.false1Number of shares acquired9false 4us-gaap_AllocatedShareBasedCompensationExpenseNetOfTaxus-gaap_truedebitdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalse10falsefalsefalse00falsefalsefalse11falsefalsefalse00falsefalsefalse12falsefalsefalse00falsefalsefalse13falsefalsefalse00falsefalsefalse14falsefalsefalse00falsefalsefalse15falsefalsefalse00falsefalsefalse16falsefalsefalse00falsefalsefalse17falsefalsefalse00falsefalsefalse18falsefalsefalse00falsefalsefalse19falsefalsefalse00falsefalsefalse20falsefalsefalse00falsefalsefalse21falsefalsefalse00falsefalsefalse22falsefalsefalse00falsefalsefalse23falsefalsefalse00falsefalsefalse24falsefalsefalse00falsefalsefalse25falsefalsefalse00falsefalsefalse26falsefalsefalse00falsefalsefalse27falsefalsefalse00falsefalsefalse28falsefalsefalse00falsefalsefalse29falsefalsefalse00falsefalsefalse30truefalsefalse10000001000000falsefalsefalse31truefalsefalse20000002000000falsefalsefalse32truefalsefalse10000001000000falsefalsefalse33falsefalsefalse00falsefalsefalse34falsefalsefalse00falsefalsefalse35falsefalsefalse00falsefalsefalse36falsefalsefalse00falsefalsefalse37falsefalsefalse00falsefalsefalse38falsefalsefalse00falsefalsefalse39falsefalsefalse00falsefalsefalse40falsefalsefalse00falsefalsefalse41falsefalsefalse00falsefalsefalse42falsefalsefalse00falsefalsefalse43falsefalsefalse00falsefalsefalse44falsefalsefalse00falsefalsefalse45falsefalsefalse00falsefalsefalse46falsefalsefalse00falsefalsefalse47falsefalsefalse00falsefalsefalse48falsefalsefalse00falsefalsefalse49falsefalsefalse00falsefalsefalse50falsefalsefalse00falsefalsefalse51falsefalsefalse00falsefalsefalse52falsefalsefalse00falsefalsefalse53falsefalsefalse00falsefalsefalse54falsefalsefalse00falsefalsefalse55falsefalsefalse00falsefalsefalse56falsefalsefalse00falsefalsefalse57falsefalsefalse00falsefalsefalse58falsefalsefalse00falsefalsefalse59falsefalsefalse00falsefalsefalse60falsefalsefalse00falsefalsefalse61falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryThe amount of expense, net of income tax, recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.No definition available.false2Compensation expense10false 4us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumberus-gaap_truenainstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalse10falsefalsefalse00falsefalsefalse11falsefalsefalse00falsefalsefalse12falsefalsefalse00falsefalsefalse13falsefalsefalse00falsefalsefalse14falsefalsefalse00falsefalsefalse15falsefalsefalse00falsefalsefalse16falsefalsefalse00falsefalsefalse17falsefalsefalse00falsefalsefalse18falsefalsefalse00falsefalsefalse19falsefalsefalse00falsefalsefalse20falsefalsefalse00falsefalsefalse21falsefalsefalse00falsefalsefalse22falsefalsefalse00falsefalsefalse23falsefalsefalse00falsefalsefalse24falsefalsefalse00falsefalsefalse25falsefalsefalse00falsefalsefalse26falsefalsefalse00falsefalsefalse27falsefalsefalse00falsefalsefalse28falsefalsefalse00falsefalsefalse29falsefalsefalse00falsefalsefalse30truefalsefalse548234548234falsefalsefalse31truefalsefalse548234548234falsefalsefalse32truefalsefalse548234548234falsefalsefalse33truefalsefalse548234548234falsefalsefalse34falsefalsefalse00  falsefalsefalse35falsefalsefalse00falsefalsefalse36falsefalsefalse00falsefalsefalse37falsefalsefalse00falsefalsefalse38falsefalsefalse00falsefalsefalse39truefalsefalse14582021458202falsefalsefalse40truefalsefalse581600581600falsefalsefalse41truefalsefalse761065761065falsefalsefalse42falsefalsefalse00  falsefalsefalse43truefalsefalse761065761065falsefalsefalse44falsefalsefalse00  falsefalsefalse45falsefalsefalse00falsefalsefalse46truefalsefalse612439612439falsefalsefalse47falsefalsefalse00falsefalsefalse48falsefalsefalse00falsefalsefalse49falsefalsefalse00falsefalsefalse50falsefalsefalse00falsefalsefalse51falsefalsefalse00falsefalsefalse52falsefalsefalse00  falsefalsefalse53falsefalsefalse00falsefalsefalse54falsefalsefalse00falsefalsefalse55falsefalsefalse00  falsefalsefalse56falsefalsefalse00falsefalsefalse57falsefalsefalse00falsefalsefalse58falsefalsefalse00falsefalsefalse59truefalsefalse11779951177995falsefalsefalse60falsefalsefalse00falsefalsefalse61falsefalsefalse00falsefalsefalsexbrli:sharesItemTypesharesThe number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph b(2)(b) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph b(2)(a) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. false1Compensation expense11false 4us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueus-gaap_truenainstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalse10falsefalsefalse00falsefalsefalse11falsefalsefalse00falsefalsefalse12falsefalsefalse00falsefalsefalse13falsefalsefalse00falsefalsefalse14falsefalsefalse00falsefalsefalse15falsefalsefalse00falsefalsefalse16falsefalsefalse00falsefalsefalse17falsefalsefalse00falsefalsefalse18falsefalsefalse00falsefalsefalse19falsefalsefalse00falsefalsefalse20falsefalsefalse00falsefalsefalse21falsefalsefalse00falsefalsefalse22falsefalsefalse00falsefalsefalse23falsefalsefalse00falsefalsefalse24falsefalsefalse00falsefalsefalse25falsefalsefalse00falsefalsefalse26falsefalsefalse00falsefalsefalse27falsefalsefalse00falsefalsefalse28falsefalsefalse00falsefalsefalse29falsefalsefalse00falsefalsefalse30truefalsefalse25.7925.79USD$falsetruefalse31truefalsefalse25.7925.79USD$falsetruefalse32truefalsefalse25.7925.79USD$falsetruefalse33falsefalsefalse00falsefalsefalse34falsefalsefalse00  falsefalsefalse35falsefalsefalse00falsefalsefalse36falsefalsefalse00falsefalsefalse37falsefalsefalse00falsefalsefalse38falsefalsefalse00falsefalsefalse39truefalsefalse20.6020.60USD$falsetruefalse40truefalsefalse19.8619.86USD$falsetruefalse41truefalsefalse20.6220.62USD$falsetruefalse42falsefalsefalse00falsefalsefalse43truefalsefalse20.6220.62USD$falsetruefalse44falsefalsefalse00  falsefalsefalse45falsefalsefalse00falsefalsefalse46falsefalsefalse00falsefalsefalse47falsefalsefalse00falsefalsefalse48falsefalsefalse00falsefalsefalse49falsefalsefalse00falsefalsefalse50falsefalsefalse00falsefalsefalse51falsefalsefalse00falsefalsefalse52falsefalsefalse00falsefalsefalse53falsefalsefalse00falsefalsefalse54falsefalsefalse00falsefalsefalse55falsefalsefalse00falsefalsefalse56falsefalsefalse00  falsefalsefalse57falsefalsefalse00falsefalsefalse58falsefalsefalse00falsefalsefalse59truefalsefalse22.0122.01USD$falsetruefalse60falsefalsefalse00falsefalsefalse61falsefalsefalse00falsefalsefalsenum:perShareItemTypedecimalThe weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph b(2)(b) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph b(2)(a) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. false3Shares granted12false 4trox_LongTermIncentivePlanLiabilitytrox_falsecreditinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7truefalsefalse20000002000000falsefalsefalse8truefalsefalse20000002000000falsefalsefalse9falsefalsefalse00falsefalsefalse10falsefalsefalse00falsefalsefalse11truefalsefalse80000008000000falsefalsefalse12falsefalsefalse00falsefalsefalse13falsefalsefalse00falsefalsefalse14falsefalsefalse00falsefalsefalse15falsefalsefalse00falsefalsefalse16falsefalsefalse00falsefalsefalse17falsefalsefalse00falsefalsefalse18falsefalsefalse00falsefalsefalse19falsefalsefalse00falsefalsefalse20falsefalsefalse00falsefalsefalse21falsefalsefalse00falsefalsefalse22falsefalsefalse00falsefalsefalse23falsefalsefalse00falsefalsefalse24falsefalsefalse00falsefalsefalse25falsefalsefalse00falsefalsefalse26falsefalsefalse00falsefalsefalse27falsefalsefalse00falsefalsefalse28falsefalsefalse00falsefalsefalse29falsefalsefalse00falsefalsefalse30falsefalsefalse00falsefalsefalse31falsefalsefalse00falsefalsefalse32falsefalsefalse00falsefalsefalse33falsefalsefalse00falsefalsefalse34falsefalsefalse00falsefalsefalse35falsefalsefalse00falsefalsefalse36falsefalsefalse00falsefalsefalse37falsefalsefalse00falsefalsefalse38falsefalsefalse00falsefalsefalse39falsefalsefalse00falsefalsefalse40falsefalsefalse00falsefalsefalse41falsefalsefalse00falsefalsefalse42falsefalsefalse00falsefalsefalse43falsefalsefalse00falsefalsefalse44falsefalsefalse00falsefalsefalse45falsefalsefalse00falsefalsefalse46falsefalsefalse00falsefalsefalse47falsefalsefalse00falsefalsefalse48falsefalsefalse00falsefalsefalse49falsefalsefalse00falsefalsefalse50falsefalsefalse00falsefalsefalse51falsefalsefalse00falsefalsefalse52falsefalsefalse00falsefalsefalse53falsefalsefalse00falsefalsefalse54falsefalsefalse00falsefalsefalse55falsefalsefalse00falsefalsefalse56falsefalsefalse00falsefalsefalse57falsefalsefalse00falsefalsefalse58falsefalsefalse00falsefalsefalse59falsefalsefalse00falsefalsefalse60falsefalsefalse00falsefalsefalse61falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryLong Term Incentive Plan Liability.No definition available.false2LTlP plan liability13false 4trox_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedtrox_falsenainstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalse10falsefalsefalse00falsefalsefalse11falsefalsefalse00falsefalsefalse12falsefalsefalse00falsefalsefalse13falsefalsefalse00falsefalsefalse14falsefalsefalse00falsefalsefalse15falsefalsefalse00falsefalsefalse16falsefalsefalse00falsefalsefalse17falsefalsefalse00falsefalsefalse18falsefalsefalse00falsefalsefalse19falsefalsefalse00falsefalsefalse20falsefalsefalse00falsefalsefalse21falsefalsefalse00falsefalsefalse22falsefalsefalse00falsefalsefalse23falsefalsefalse00falsefalsefalse24falsefalsefalse00falsefalsefalse25falsefalsefalse00falsefalsefalse26falsefalsefalse00falsefalsefalse27falsefalsefalse00falsefalsefalse28falsefalsefalse00falsefalsefalse29falsefalsefalse00falsefalsefalse30falsefalsefalse00falsefalsefalse31falsefalsefalse00falsefalsefalse32falsefalsefalse00falsefalsefalse33falsefalsefalse00falsefalsefalse34falsefalsefalse00falsefalsefalse35falsefalsefalse00falsefalsefalse36falsefalsefalse00falsefalsefalse37falsefalsefalse00falsefalsefalse38falsefalsefalse00falsefalsefalse39falsefalsefalse00falsefalsefalse40falsefalsefalse00falsefalsefalse41falsefalsefalse00falsefalsefalse42falsefalsefalse00falsefalsefalse43falsefalsefalse00falsefalsefalse44falsefalsefalse00falsefalsefalse45falsefalsefalse00falsefalsefalse46falsefalsefalse00falsefalsefalse47falsefalsefalse00falsefalsefalse48falsefalsefalse00falsefalsefalse49falsefalsefalse00falsefalsefalse50falsefalsefalse00falsefalsefalse51falsefalsefalse00falsefalsefalse52falsefalsefalse00falsefalsefalse53falsefalsefalse00falsefalsefalse54falsefalsefalse00falsefalsefalse55falsefalsefalse00falsefalsefalse56falsefalsefalse00falsefalsefalse57falsefalsefalse00falsefalsefalse58falsefalsefalse00falsefalsefalse59falsefalsefalse00falsefalsefalse60truefalsefalse420765420765falsefalsefalse61truefalsefalse748980748980falsefalsefalsexbrli:sharesItemTypesharesShare based compensation arrangement by share based payment award equity instruments other than options vested.No definition available.false1Number of restricted stock vested14false 4trox_StockOptionsConvertedInConnectionWithTransactiontrox_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalsepositiveLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalse10falsefalsefalse00falsefalsefalse11falsefalsefalse00falsefalsefalse12falsefalsefalse00falsefalsefalse13falsefalsefalse00falsefalsefalse14falsefalsefalse00falsefalsefalse15falsefalsefalse00falsefalsefalse16falsefalsefalse00falsefalsefalse17falsefalsefalse00falsefalsefalse18falsefalsefalse00falsefalsefalse19falsefalsefalse00falsefalsefalse20falsefalsefalse00falsefalsefalse21falsefalsefalse00falsefalsefalse22falsefalsefalse00falsefalsefalse23falsefalsefalse00falsefalsefalse24falsefalsefalse00falsefalsefalse25falsefalsefalse00falsefalsefalse26falsefalsefalse00falsefalsefalse27falsefalsefalse00falsefalsefalse28falsefalsefalse00falsefalsefalse29falsefalsefalse00falsefalsefalse30falsefalsefalse00falsefalsefalse31falsefalsefalse00falsefalsefalse32falsefalsefalse00falsefalsefalse33falsefalsefalse00falsefalsefalse34falsefalsefalse00falsefalsefalse35falsefalsefalse00falsefalsefalse36falsefalsefalse00falsefalsefalse37falsefalsefalse00falsefalsefalse38falsefalsefalse00falsefalsefalse39falsefalsefalse00falsefalsefalse40falsefalsefalse00falsefalsefalse41falsefalsefalse00falsefalsefalse42falsefalsefalse00falsefalsefalse43falsefalsefalse00falsefalsefalse44falsefalsefalse00falsefalsefalse45falsefalsefalse00falsefalsefalse46falsefalsefalse00falsefalsefalse47falsefalsefalse00falsefalsefalse48falsefalsefalse00falsefalsefalse49falsefalsefalse00falsefalsefalse50falsefalsefalse00falsefalsefalse51truefalsefalse517330517330falsefalsefalse52falsefalsefalse00falsefalsefalse53truefalsefalse-517330-517330falsefalsefalse54truefalsefalse517330517330falsefalsefalse55falsefalsefalse00falsefalsefalse56falsefalsefalse00falsefalsefalse57falsefalsefalse00falsefalsefalse58falsefalsefalse00falsefalsefalse59falsefalsefalse00falsefalsefalse60falsefalsefalse00falsefalsefalse61falsefalsefalse00falsefalsefalsexbrli:sharesItemTypesharesStock options converted in connection with the transaction.No definition available.false1Number of shares, awards granted15false 4us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalse10falsefalsefalse00falsefalsefalse11falsefalsefalse00falsefalsefalse12falsefalsefalse00falsefalsefalse13falsefalsefalse00falsefalsefalse14falsefalsefalse00falsefalsefalse15falsefalsefalse00falsefalsefalse16falsefalsefalse00falsefalsefalse17falsefalsefalse00falsefalsefalse18falsefalsefalse00falsefalsefalse19falsefalsefalse00falsefalsefalse20falsefalsefalse00falsefalsefalse21falsefalsefalse00falsefalsefalse22falsefalsefalse00falsefalsefalse23falsefalsefalse00falsefalsefalse24falsefalsefalse00falsefalsefalse25falsefalsefalse00falsefalsefalse26falsefalsefalse00falsefalsefalse27falsefalsefalse00falsefalsefalse28falsefalsefalse00falsefalsefalse29falsefalsefalse00falsefalsefalse30falsefalsefalse00falsefalsefalse31falsefalsefalse00falsefalsefalse32falsefalsefalse00falsefalsefalse33falsefalsefalse00falsefalsefalse34falsefalsefalse00falsefalsefalse35falsefalsefalse00falsefalsefalse36falsefalsefalse00falsefalsefalse37falsefalsefalse00falsefalsefalse38falsefalsefalse00falsefalsefalse39truefalsefalse780640780640falsefalsefalse40truefalsefalse160835160835falsefalsefalse41truefalsefalse341755341755falsefalsefalse42falsefalsefalse00falsefalsefalse43truefalsefalse376495376495falsefalsefalse44falsefalsefalse00falsefalsefalse45truefalsefalse3474034740falsefalsefalse46falsefalsefalse00falsefalsefalse47falsefalsefalse00falsefalsefalse48falsefalsefalse00falsefalsefalse49falsefalsefalse00falsefalsefalse50falsefalsefalse00falsefalsefalse51falsefalsefalse00falsefalsefalse52falsefalsefalse00falsefalsefalse53falsefalsefalse00falsefalsefalse54falsefalsefalse00falsefalsefalse55falsefalsefalse00falsefalsefalse56truefalsefalse5291552915falsefalsefalse57falsefalsefalse00falsefalsefalse58falsefalsefalse00falsefalsefalse59falsefalsefalse00falsefalsefalse60falsefalsefalse00falsefalsefalse61falsefalsefalse00falsefalsefalsexbrli:sharesItemTypesharesThe number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph b(2)(c) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. false1Shares, granted16false 4us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGrossus-gaap_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:sharesItemTypesharesGross number of share options (or share units) granted during the period.No definition available.false1Options granted to employees to purchase Class A Shares17false 4us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1us-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalse10falsefalsefalse00falsefalsefalse11falsefalsefalse003 yearsfalsefalsefalse12falsefalsefalse00falsefalsefalse13falsefalsefalse00falsefalsefalse14falsefalsefalse00falsefalsefalse15falsefalsefalse00falsefalsefalse16falsefalsefalse00falsefalsefalse17falsefalsefalse00falsefalsefalse18falsefalsefalse00falsefalsefalse19falsefalsefalse00falsefalsefalse20falsefalsefalse00falsefalsefalse21falsefalsefalse00falsefalsefalse22falsefalsefalse00falsefalsefalse23falsefalsefalse00falsefalsefalse24falsefalsefalse00falsefalsefalse25falsefalsefalse00falsefalsefalse26falsefalsefalse00falsefalsefalse27falsefalsefalse00falsefalsefalse28falsefalsefalse00falsefalsefalse29falsefalsefalse00falsefalsefalse30falsefalsefalse00falsefalsefalse31falsefalsefalse00falsefalsefalse32falsefalsefalse00falsefalsefalse33falsefalsefalse00falsefalsefalse34falsefalsefalse00falsefalsefalse35falsefalsefalse00falsefalsefalse36falsefalsefalse00falsefalsefalse37falsefalsefalse00falsefalsefalse38falsefalsefalse00falsefalsefalse39falsefalsefalse00falsefalsefalse40falsefalsefalse00falsefalsefalse41falsefalsefalse00falsefalsefalse42falsefalsefalse00falsefalsefalse43falsefalsefalse00falsefalsefalse44falsefalsefalse00falsefalsefalse45falsefalsefalse00falsefalsefalse46falsefalsefalse00falsefalsefalse47falsefalsefalse00falsefalsefalse48falsefalsefalse00falsefalsefalse49falsefalsefalse00falsefalsefalse50falsefalsefalse00falsefalsefalse51falsefalsefalse00falsefalsefalse52falsefalsefalse00falsefalsefalse53falsefalsefalse00falsefalsefalse54falsefalsefalse00falsefalsefalse55falsefalsefalse00falsefalsefalse56falsefalsefalse00falsefalsefalse57falsefalsefalse00falsefalsefalse58falsefalsefalse00falsefalsefalse59falsefalsefalse00falsefalsefalse60falsefalsefalse00falsefalsefalse61falsefalsefalse00falsefalsefalsexbrli:durationItemTypenaPeriod which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 false0Options vesting period18false 4trox_FairMarketValueAndExercisePricetrox_falsenainstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3truefalsefalse25.9025.90[1]USD$falsetruefalse4truefalsefalse30.4530.45USD$falsetruefalse5truefalsefalse24.6024.60USD$falsetruefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalse10falsefalsefalse00falsefalsefalse11falsefalsefalse00falsefalsefalse12falsefalsefalse00falsefalsefalse13falsefalsefalse00falsefalsefalse14falsefalsefalse00falsefalsefalse15falsefalsefalse00falsefalsefalse16falsefalsefalse00falsefalsefalse17falsefalsefalse00falsefalsefalse18falsefalsefalse00falsefalsefalse19falsefalsefalse00falsefalsefalse20falsefalsefalse00falsefalsefalse21falsefalsefalse00falsefalsefalse22falsefalsefalse00falsefalsefalse23falsefalsefalse00falsefalsefalse24falsefalsefalse00falsefalsefalse25falsefalsefalse00falsefalsefalse26falsefalsefalse00falsefalsefalse27falsefalsefalse00falsefalsefalse28falsefalsefalse00falsefalsefalse29falsefalsefalse00falsefalsefalse30falsefalsefalse00falsefalsefalse31falsefalsefalse00falsefalsefalse32falsefalsefalse00falsefalsefalse33falsefalsefalse00falsefalsefalse34falsefalsefalse00falsefalsefalse35falsefalsefalse00falsefalsefalse36falsefalsefalse00falsefalsefalse37truefalsefalse18.7218.72USD$falsetruefalse38truefalsefalse20.6420.64USD$falsetruefalse39falsefalsefalse00falsefalsefalse40falsefalsefalse00falsefalsefalse41falsefalsefalse00falsefalsefalse42falsefalsefalse00falsefalsefalse43falsefalsefalse00falsefalsefalse44falsefalsefalse00falsefalsefalse45falsefalsefalse00falsefalsefalse46falsefalsefalse00falsefalsefalse47truefalsefalse21.4921.49USD$falsetruefalse48truefalsefalse19.0919.09USD$falsetruefalse49falsefalsefalse00falsefalsefalse50falsefalsefalse00falsefalsefalse51falsefalsefalse00falsefalsefalse52falsefalsefalse00falsefalsefalse53falsefalsefalse00falsefalsefalse54falsefalsefalse00falsefalsefalse55falsefalsefalse00falsefalsefalse56falsefalsefalse00falsefalsefalse57falsefalsefalse00falsefalsefalse58falsefalsefalse00falsefalsefalse59falsefalsefalse00falsefalsefalse60falsefalsefalse00falsefalsefalse61falsefalsefalse00falsefalsefalsenum:perShareItemTypedecimalFair market value and exercise price.No definition available.false3Fair market value and exercise price19false 4us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsetruefalse00falsefalsefalse2falsetruefalse00falsefalsefalse3truetruefalse0.00970.0097[2]falsefalsefalse4truetruefalse0.00940.0094falsefalsefalse5truetruefalse0.01970.0197falsefalsefalse6falsetruefalse00falsefalsefalse7falsetruefalse00falsefalsefalse8falsetruefalse00falsefalsefalse9falsetruefalse00falsefalsefalse10falsetruefalse00falsefalsefalse11falsetruefalse00falsefalsefalse12falsetruefalse00falsefalsefalse13falsetruefalse00falsefalsefalse14falsetruefalse00falsefalsefalse15falsetruefalse00falsefalsefalse16falsetruefalse00falsefalsefalse17falsetruefalse00falsefalsefalse18falsetruefalse00falsefalsefalse19falsetruefalse00falsefalsefalse20falsetruefalse00falsefalsefalse21falsetruefalse00falsefalsefalse22falsetruefalse00falsefalsefalse23falsetruefalse00falsefalsefalse24falsetruefalse00falsefalsefalse25falsetruefalse00falsefalsefalse26falsetruefalse00falsefalsefalse27falsetruefalse00falsefalsefalse28falsetruefalse00falsefalsefalse29falsetruefalse00falsefalsefalse30falsetruefalse00falsefalsefalse31falsetruefalse00falsefalsefalse32falsetruefalse00falsefalsefalse33falsetruefalse00falsefalsefalse34falsetruefalse00falsefalsefalse35falsetruefalse00falsefalsefalse36falsetruefalse00falsefalsefalse37falsetruefalse00falsefalsefalse38falsetruefalse00falsefalsefalse39falsetruefalse00falsefalsefalse40falsetruefalse00falsefalsefalse41falsetruefalse00falsefalsefalse42falsetruefalse00falsefalsefalse43falsetruefalse00falsefalsefalse44falsetruefalse00falsefalsefalse45falsetruefalse00falsefalsefalse46falsetruefalse00falsefalsefalse47truetruefalse0.01190.0119falsefalsefalse48truetruefalse0.01040.0104falsefalsefalse49truetruefalse0.00870.0087falsefalsefalse50truetruefalse0.01020.0102falsefalsefalse51falsetruefalse00falsefalsefalse52falsetruefalse00falsefalsefalse53falsetruefalse00falsefalsefalse54falsetruefalse00falsefalsefalse55falsetruefalse00falsefalsefalse56falsetruefalse00falsefalsefalse57falsetruefalse00falsefalsefalse58falsetruefalse00falsefalsefalse59falsetruefalse00falsefalsefalse60falsetruefalse00falsefalsefalse61falsetruefalse00falsefalsefalsenum:percentItemTypepureThe risk-free interest rate assumption that is used in valuing an option on its own shares.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2)(iv) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph e(2)(d) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. false0Risk-free interest rate20false 4us-gaap_CompensationAndBenefitsTrustus-gaap_truecreditinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalse10falsefalsefalse00falsefalsefalse11falsefalsefalse00falsefalsefalse12falsefalsefalse00falsefalsefalse13falsefalsefalse00falsefalsefalse14falsefalsefalse00falsefalsefalse15falsefalsefalse00falsefalsefalse16falsefalsefalse00falsefalsefalse17falsefalsefalse00falsefalsefalse18falsefalsefalse00falsefalsefalse19falsefalsefalse00falsefalsefalse20falsefalsefalse00falsefalsefalse21falsefalsefalse00falsefalsefalse22falsefalsefalse00falsefalsefalse23falsefalsefalse00falsefalsefalse24falsefalsefalse00falsefalsefalse25falsefalsefalse00falsefalsefalse26falsefalsefalse00falsefalsefalse27falsefalsefalse00falsefalsefalse28falsefalsefalse00falsefalsefalse29falsefalsefalse00falsefalsefalse30falsefalsefalse00falsefalsefalse31falsefalsefalse00falsefalsefalse32truefalsefalse1500000015000000falsefalsefalse33truefalsefalse124000000124000000falsefalsefalse34falsefalsefalse00falsefalsefalse35falsefalsefalse00falsefalsefalse36falsefalsefalse00falsefalsefalse37falsefalsefalse00falsefalsefalse38falsefalsefalse00falsefalsefalse39falsefalsefalse00falsefalsefalse40falsefalsefalse00falsefalsefalse41falsefalsefalse00falsefalsefalse42falsefalsefalse00falsefalsefalse43falsefalsefalse00falsefalsefalse44falsefalsefalse00falsefalsefalse45falsefalsefalse00falsefalsefalse46falsefalsefalse00falsefalsefalse47falsefalsefalse00falsefalsefalse48falsefalsefalse00falsefalsefalse49falsefalsefalse00falsefalsefalse50falsefalsefalse00falsefalsefalse51falsefalsefalse00falsefalsefalse52falsefalsefalse00falsefalsefalse53falsefalsefalse00falsefalsefalse54falsefalsefalse00falsefalsefalse55falsefalsefalse00falsefalsefalse56falsefalsefalse00falsefalsefalse57falsefalsefalse00falsefalsefalse58falsefalsefalse00falsefalsefalse59falsefalsefalse00falsefalsefalse60falsefalsefalse00falsefalsefalse61falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryThe value of a trust established to hold the stock of an employee compensation and benefits plan as of the balance sheet date.No definition available.false2Amount of employer fund for trust21false 4trox_DefinedContributionPlansEmployerPeriodicContributionsPerParticipanttrox_falsedebitdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalse10falsefalsefalse00falsefalsefalse11falsefalsefalse00falsefalsefalse12falsefalsefalse00falsefalsefalse13falsefalsefalse00falsefalsefalse14falsefalsefalse00falsefalsefalse15falsefalsefalse00falsefalsefalse16falsefalsefalse00falsefalsefalse17falsefalsefalse00falsefalsefalse18falsefalsefalse00falsefalsefalse19falsefalsefalse00falsefalsefalse20falsefalsefalse00falsefalsefalse21falsefalsefalse00falsefalsefalse22falsefalsefalse00falsefalsefalse23falsefalsefalse00falsefalsefalse24falsefalsefalse00falsefalsefalse25falsefalsefalse00falsefalsefalse26falsefalsefalse00falsefalsefalse27falsefalsefalse00falsefalsefalse28falsefalsefalse00falsefalsefalse29falsefalsefalse00falsefalsefalse30falsefalsefalse00falsefalsefalse31falsefalsefalse00falsefalsefalse32falsefalsefalse00falsefalsefalse33truefalsefalse7500075000ZARfalsetruefalse34falsefalsefalse00falsefalsefalse35falsefalsefalse00falsefalsefalse36falsefalsefalse00falsefalsefalse37falsefalsefalse00falsefalsefalse38falsefalsefalse00falsefalsefalse39falsefalsefalse00falsefalsefalse40falsefalsefalse00falsefalsefalse41falsefalsefalse00falsefalsefalse42falsefalsefalse00falsefalsefalse43falsefalsefalse00falsefalsefalse44falsefalsefalse00falsefalsefalse45falsefalsefalse00falsefalsefalse46falsefalsefalse00falsefalsefalse47falsefalsefalse00falsefalsefalse48falsefalsefalse00falsefalsefalse49falsefalsefalse00falsefalsefalse50falsefalsefalse00falsefalsefalse51falsefalsefalse00falsefalsefalse52falsefalsefalse00falsefalsefalse53falsefalsefalse00falsefalsefalse54falsefalsefalse00falsefalsefalse55falsefalsefalse00falsefalsefalse56falsefalsefalse00falsefalsefalse57falsefalsefalse00falsefalsefalse58falsefalsefalse00falsefalsefalse59falsefalsefalse00falsefalsefalse60falsefalsefalse00falsefalsefalse61falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryDefined Contribution Plans Employer Periodic Contributions Per ParticipantNo definition available.false2Capital contribution per participant22false 4trox_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsSharesAcquiredByTrusttrox_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalse10falsefalsefalse00falsefalsefalse11falsefalsefalse00falsefalsefalse12falsefalsefalse00falsefalsefalse13falsefalsefalse00falsefalsefalse14falsefalsefalse00falsefalsefalse15falsefalsefalse00falsefalsefalse16falsefalsefalse00falsefalsefalse17falsefalsefalse00falsefalsefalse18falsefalsefalse00falsefalsefalse19falsefalsefalse00falsefalsefalse20falsefalsefalse00falsefalsefalse21falsefalsefalse00falsefalsefalse22falsefalsefalse00falsefalsefalse23falsefalsefalse00falsefalsefalse24falsefalsefalse00falsefalsefalse25falsefalsefalse00falsefalsefalse26falsefalsefalse00falsefalsefalse27falsefalsefalse00falsefalsefalse28falsefalsefalse00falsefalsefalse29falsefalsefalse00falsefalsefalse30falsefalsefalse00falsefalsefalse31falsefalsefalse00falsefalsefalse32truefalsefalse548234548234falsefalsefalse33truefalsefalse548234548234falsefalsefalse34falsefalsefalse00falsefalsefalse35falsefalsefalse00falsefalsefalse36falsefalsefalse00falsefalsefalse37falsefalsefalse00falsefalsefalse38falsefalsefalse00falsefalsefalse39falsefalsefalse00falsefalsefalse40falsefalsefalse00falsefalsefalse41falsefalsefalse00falsefalsefalse42falsefalsefalse00falsefalsefalse43falsefalsefalse00falsefalsefalse44falsefalsefalse00falsefalsefalse45falsefalsefalse00falsefalsefalse46falsefalsefalse00falsefalsefalse47falsefalsefalse00falsefalsefalse48falsefalsefalse00falsefalsefalse49falsefalsefalse00falsefalsefalse50falsefalsefalse00falsefalsefalse51falsefalsefalse00falsefalsefalse52falsefalsefalse00falsefalsefalse53falsefalsefalse00falsefalsefalse54falsefalsefalse00falsefalsefalse55falsefalsefalse00falsefalsefalse56falsefalsefalse00falsefalsefalse57falsefalsefalse00falsefalsefalse58falsefalsefalse00falsefalsefalse59falsefalsefalse00falsefalsefalse60falsefalsefalse00falsefalsefalse61falsefalsefalse00falsefalsefalsexbrli:sharesItemTypesharesShare Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Shares Acquired By TrustNo definition available.false1Shares acquired by the Trust1The adjusted closing price of Class A Shares, New York Stock Exchange symbol TROX, on the grant date.2The risk-free interest rate was based on U.S. Treasury Strips available with maturity period consistent with expected life assumption.falseShare-Based Compensation - Additional Information (Detail)NoRoundingNoRoundingNoRoundingUnKnowntruefalsetrueSheethttp://imetrix.edgar-online.com/taxonomy/role/DisclosureShareBasedCompensationAdditionalInformation6122