2.4.0.81098 - Disclosure - Related Party Transactions - Additional Information (Detail)truefalseIn Millions, unless otherwise specifiedfalse1false USDfalsefalse$eol_PE864322--13S-4-0005_STD_91_20130630_0http://www.sec.gov/CIK0001530804duration2013-04-01T00:00:002013-06-30T00:00:00iso4217_USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$2false USDfalsefalse$eol_PE864322--13S-4-0005_STD_91_20120630_0http://www.sec.gov/CIK0001530804duration2012-04-01T00:00:002012-06-30T00:00:00iso4217_USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$3false USDfalsefalse$eol_PE864322--13S-4-0005_STD_181_20130630_0http://www.sec.gov/CIK0001530804duration2013-01-01T00:00:002013-06-30T00:00:00iso4217_USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$4false USDfalsefalse$eol_PE864322--13S-4-0005_STD_182_20120630_0http://www.sec.gov/CIK0001530804duration2012-01-01T00:00:002012-06-30T00:00:00iso4217_USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$5false USDfalsefalse$eol_PE864322--13S-4-0005_STD_366_20121231_0http://www.sec.gov/CIK0001530804duration2012-01-01T00:00:002012-12-31T00:00:00iso4217_USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$6false USDtruefalse$eol_PE864322--13S-4-0005_STD_31_20110131_0_574847x568507http://www.sec.gov/CIK0001530804duration2011-01-01T00:00:002011-01-31T00:00:00falsefalseSuccessor [Member]us-gaap_StatementScenarioAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SuccessorMemberus-gaap_StatementScenarioAxisexplicitMemberiso4217_USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$7false USDtruefalse$eol_PE864322--13S-4-0005_STD_334_20111231_0_574847x568507http://www.sec.gov/CIK0001530804duration2011-02-01T00:00:002011-12-31T00:00:00falsefalseSuccessor [Member]us-gaap_StatementScenarioAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SuccessorMemberus-gaap_StatementScenarioAxisexplicitMemberiso4217_USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$8false USDtruefalse$eol_PE864322--13S-4-0005_STD_366_20121231_0_574847x568507http://www.sec.gov/CIK0001530804duration2012-01-01T00:00:002012-12-31T00:00:00falsefalseSuccessor [Member]us-gaap_StatementScenarioAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SuccessorMemberus-gaap_StatementScenarioAxisexplicitMemberiso4217_USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$9false USDtruefalse$eol_PE864322--13S-4-0005_STD_365_20101231_0_574847x568507http://www.sec.gov/CIK0001530804duration2010-01-01T00:00:002010-12-31T00:00:00falsefalseSuccessor [Member]us-gaap_StatementScenarioAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SuccessorMemberus-gaap_StatementScenarioAxisexplicitMemberiso4217_USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$10false USDtruefalse$eol_PE864322--13S-4-0005_STD_31_20110131_0_568913x577223_574847x568507http://www.sec.gov/CIK0001530804duration2011-01-01T00:00:002011-01-31T00:00:00falsefalseMaximum [Member]us-gaap_RangeAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_MaximumMemberus-gaap_RangeAxisexplicitMemberfalsefalseSuccessor [Member]us-gaap_StatementScenarioAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SuccessorMemberus-gaap_StatementScenarioAxisexplicitMemberiso4217_USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$11false USDtruefalse$eol_PE864322--13S-4-0005_STD_91_20120630_0_565220x565384http://www.sec.gov/CIK0001530804duration2012-04-01T00:00:002012-06-30T00:00:00falsefalseParent [Member]dei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_ParentMemberdei_LegalEntityAxisexplicitMemberiso4217_USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$12false truefalseeol_PE864322--13S-4-0005_STD_181_20130630_0_565220x565384http://www.sec.gov/CIK0001530804duration2013-01-01T00:00:002013-06-30T00:00:00falsefalseParent [Member]dei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_ParentMemberdei_LegalEntityAxisexplicitMemberpureStandardhttp://www.xbrl.org/2003/instancepure013false USDtruefalse$eol_PE864322--13S-4-0005_STD_182_20120630_0_565220x565384http://www.sec.gov/CIK0001530804duration2012-01-01T00:00:002012-06-30T00:00:00falsefalseParent [Member]dei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_ParentMemberdei_LegalEntityAxisexplicitMemberiso4217_USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$14false truefalseeol_PE864322--13S-4-0005_STD_0_20121231_0_565220x565384http://www.sec.gov/CIK0001530804instant2012-12-31T00:00:000001-01-01T00:00:00falsefalseParent [Member]dei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_ParentMemberdei_LegalEntityAxisexplicitMemberpureStandardhttp://www.xbrl.org/2003/instancepure015false truefalseeol_PE864322--13S-4-0005_STD_0_20130630_0_565220x794551http://www.sec.gov/CIK0001530804instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseTiwest Joint Venture [Member]dei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrlditrox_TiwestJointVentureMemberdei_LegalEntityAxisexplicitMemberpureStandardhttp://www.xbrl.org/2003/instancepure016false truefalseeol_PE864322--13S-4-0005_STD_0_20121231_0_565220x794551http://www.sec.gov/CIK0001530804instant2012-12-31T00:00:000001-01-01T00:00:00falsefalseTiwest Joint Venture [Member]dei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrlditrox_TiwestJointVentureMemberdei_LegalEntityAxisexplicitMemberpureStandardhttp://www.xbrl.org/2003/instancepure01true 3us-gaap_DefinedBenefitPlanDisclosureLineItemsus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalse10falsefalsefalse00falsefalsefalse11falsefalsefalse00falsefalsefalse12falsefalsefalse00falsefalsefalse13falsefalsefalse00falsefalsefalse14falsefalsefalse00falsefalsefalse15falsefalsefalse00falsefalsefalse16falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Defined Benefit Plan Disclosure [Line Items]2false 4us-gaap_VariableInterestEntityOwnershipPercentageus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsetruefalse00falsefalsefalse2falsetruefalse00falsefalsefalse3falsetruefalse00falsefalsefalse4falsetruefalse00falsefalsefalse5falsetruefalse00falsefalsefalse6falsetruefalse00falsefalsefalse7falsetruefalse00falsefalsefalse8falsetruefalse00falsefalsefalse9falsetruefalse00falsefalsefalse10falsetruefalse00falsefalsefalse11falsetruefalse00falsefalsefalse12truetruefalse0.4440.444falsefalsefalse13falsetruefalse00falsefalsefalse14falsetruefalse00falsefalsefalse15falsetruefalse00falsefalsefalse16falsetruefalse00falsefalsefalsenum:percentItemTypepurePercentage of the Variable Interest Entity's (VIE) voting interest owned by (or beneficial interest in) the reporting entity (directly or indirectly).Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 5A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=7880789&loc=SL6759159-111685 false0Percentage of holding3false 4trox_PaymentsMadeForPurchasingTransitionServicestrox_falsedebitdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse20000002USD$falsetruefalse2falsefalsefalse00falsefalsefalse3truefalsefalse40000004USD$falsetruefalse4falsefalsefalse00falsefalsefalse5truefalsefalse70000007USD$falsetruefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalse10falsefalsefalse00falsefalsefalse11falsefalsefalse00falsefalsefalse12falsefalsefalse00falsefalsefalse13falsefalsefalse00falsefalsefalse14falsefalsefalse00falsefalsefalse15falsefalsefalse00falsefalsefalse16falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryPayments Made For Purchasing Transition ServicesNo definition available.false2Payments Made for Purchasing Transition Services4false 4trox_PercentageOfInvestmentInJointVenturetrox_falsenainstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsetruefalse00falsefalsefalse2falsetruefalse00falsefalsefalse3falsetruefalse00falsefalsefalse4falsetruefalse00falsefalsefalse5falsetruefalse00falsefalsefalse6falsetruefalse00falsefalsefalse7falsetruefalse00falsefalsefalse8falsetruefalse00falsefalsefalse9falsetruefalse00falsefalsefalse10falsetruefalse00falsefalsefalse11falsetruefalse00falsefalsefalse12falsetruefalse00falsefalsefalse13falsetruefalse00falsefalsefalse14truetruefalse0.500.50falsefalsefalse15truetruefalse0.500.50falsefalsefalse16truetruefalse0.500.50falsefalsefalsenum:percentItemTypepurePercentage of investment in joint venture.No definition available.false0Percentage of holding5false 4trox_PaymentsMadeForAdministrativeServicesAndProductResearchAndDevelopmentActivitiestrox_falsedebitdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6truefalsefalse4400000044falsefalsefalse7truefalsefalse316000000316falsefalsefalse8truefalsefalse173000000173falsefalsefalse9truefalsefalse109000000109falsefalsefalse10falsefalsefalse00falsefalsefalse11truefalsefalse9000000090falsefalsefalse12falsefalsefalse00falsefalsefalse13truefalsefalse173000000173falsefalsefalse14falsefalsefalse00falsefalsefalse15falsefalsefalse00falsefalsefalse16falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryPayments made for administrative services and product research and development activities.No definition available.false2Payments made for administrative services and product research and development activities6false 4trox_ReimbursementOfPaymentsMadeForAdministrativeServicesAndProductResearchAndDevelopmentActivitiestrox_falsecreditdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2truefalsefalse20000002USD$falsetruefalse3falsefalsefalse00falsefalsefalse4truefalsefalse90000009USD$falsetruefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7truefalsefalse80000008USD$falsetruefalse8truefalsefalse90000009USD$falsetruefalse9truefalsefalse20000002USD$falsetruefalse10truefalsefalse10000001USD$falsetruefalse11falsefalsefalse00falsefalsefalse12falsefalsefalse00falsefalsefalse13falsefalsefalse00falsefalsefalse14falsefalsefalse00falsefalsefalse15falsefalsefalse00falsefalsefalse16falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryReimbursement of payments made for administrative services and product research and development activities.No definition available.false2Reimbursement of payments made for administrative services and product research and development activitiesfalseRelated Party Transactions - Additional Information (Detail) (USD $)MillionsUnKnownUnKnownUnKnowntruefalsefalseSheethttp://imetrix.edgar-online.com/taxonomy/role/DisclosureRelatedPartyTransactionsAdditionalInformation166