2.4.0.81099 - Disclosure - Segment Information - Additional Information (Detail)truefalsefalse1false falsefalseeol_PE864322--13S-4-0005_STD_0_20130630_0_565220x794415http://www.sec.gov/CIK0001530804instant2013-06-30T00:00:000001-01-01T00:00:00pureStandardhttp://www.xbrl.org/2003/instancepure02false falsefalseeol_PE864322--13S-4-0005_STD_0_20121231_0_565220x794415http://www.sec.gov/CIK0001530804instant2012-12-31T00:00:000001-01-01T00:00:00pureStandardhttp://www.xbrl.org/2003/instancepure03false falsefalseeol_PE864322--13S-4-0005_STD_0_20120630_0_565220x794415http://www.sec.gov/CIK0001530804instant2012-06-30T00:00:000001-01-01T00:00:00pureStandardhttp://www.xbrl.org/2003/instancepure01false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse1false truefalseeol_PE864322--13S-4-0005_STD_0_20130630_0_565220x794415http://www.sec.gov/CIK0001530804instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseExxaro [Member]dei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrlditrox_ExxaroMemberdei_LegalEntityAxisexplicitMemberpureStandardhttp://www.xbrl.org/2003/instancepure0nanafalse0Exxaro [Member]2true 3us-gaap_SegmentReportingInformationLineItemsus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Segment Reporting Information [Line Items]3false 4us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquiredus-gaap_truenainstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truetruefalse0.740.74falsefalsefalse2truetruefalse0.740.74falsefalsefalse3truetruefalse0.740.74falsefalsefalsenum:percentItemTypepurePercentage of voting equity interests acquired in the business combination.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=7659399&loc=d3e1392-128463 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141R -Paragraph 68 -Subparagraph c -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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. false0Acquisition of South African mineral sands operations, including its Namakwa and KwaZulu-Natal ("KZN") Sands mines4false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4false 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/instancepure0nanafalse0Tiwest Joint Venture [Member]5true 3us-gaap_SegmentReportingInformationLineItemsus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Segment Reporting Information [Line Items]6false 4trox_PercentageOfInvestmentInJointVenturetrox_falsenainstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truetruefalse0.500.50falsefalsefalse2truetruefalse0.500.50falsefalsefalse3falsefalsefalse00falsefalsefalsenum:percentItemTypepurePercentage of investment in joint venture.No definition available.false0Percentage of outstanding voting securities of Tronox LimitedfalseSegment Information - Additional Information (Detail)UnKnownUnKnownUnKnownUnKnowntruefalsefalseSheethttp://imetrix.edgar-online.com/taxonomy/role/DisclosureSegmentInformationAdditionalInformation36