2.4.0.81061 - Disclosure - Acquisition of the mineral sands business - Supplemental Pro Forma Financial Information (Detail)truefalseIn Millions, except Per Share data, unless otherwise specifiedfalse1false USDfalsefalse$eol_PE864322--13S-4-0005_STD_91_20120630_0http://www.sec.gov/CIK0001530804duration2012-04-01T00:00:002012-06-30T00:00:00iso4217_USD_per_sharesDividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instanceshares0iso4217_USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$2false USDfalsefalse$eol_PE864322--13S-4-0005_STD_182_20120630_0http://www.sec.gov/CIK0001530804duration2012-01-01T00:00:002012-06-30T00:00:00iso4217_USD_per_sharesDividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instanceshares0iso4217_USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$3false USDfalsefalse$eol_PE864322--13S-4-0005_STD_366_20121231_0http://www.sec.gov/CIK0001530804duration2012-01-01T00:00:002012-12-31T00:00:00iso4217_USD_per_sharesDividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instanceshares0iso4217_USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$4false USDfalsefalse$eol_PE864322--13S-4-0005_STD_365_20111231_0http://www.sec.gov/CIK0001530804duration2011-01-01T00:00:002011-12-31T00:00:00iso4217_USD_per_sharesDividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instanceshares0iso4217_USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$1false 4us-gaap_BusinessAcquisitionsProFormaRevenueus-gaap_truecreditdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse588000000588USD$falsetruefalse2truefalsefalse11500000001150USD$falsetruefalse3truefalsefalse21200000002120USD$falsetruefalse4truefalsefalse23020000002302USD$falsetruefalsexbrli:monetaryItemTypemonetaryThe pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(2)-(3) -URI http://asc.fasb.org/extlink&oid=7659399&loc=d3e1392-128463 false2Net Sales2false 4trox_BusinessAcquisitionProFormaOperatingIncomeLosstrox_falsecreditdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse196000000196falsefalsefalse2truefalsefalse395000000395falsefalsefalse3truefalsefalse296000000296falsefalsefalse4truefalsefalse407000000407falsefalsefalsexbrli:monetaryItemTypemonetaryBusiness acquisition, pro forma operating income loss.No definition available.false2Income from Operations3false 4us-gaap_BusinessAcquisitionsProFormaNetIncomeLossus-gaap_truecreditdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse173000000173falsefalsefalse2truefalsefalse326000000326falsefalsefalse3truefalsefalse239000000239falsefalsefalse4truefalsefalse21050000002105falsefalsefalsexbrli:monetaryItemTypemonetaryThe pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(2)-(3) -URI http://asc.fasb.org/extlink&oid=7659399&loc=d3e1392-128463 false2Net Income4false 4trox_BusinessAcquisitionProFormaNetIncomeAttributableToParenttrox_falsecreditdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse156000000156USD$falsetruefalse2truefalsefalse294000000294USD$falsetruefalse3truefalsefalse207000000207USD$falsetruefalse4truefalsefalse20510000002051USD$falsetruefalsexbrli:monetaryItemTypemonetaryBusiness acquisition pro forma net income attributable to parent.No definition available.false2Net Income attributable to Tronox Limited Shareholders5false 4us-gaap_BusinessAcquisitionProFormaEarningsPerShareBasicus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse2.052.05USD$falsetruefalse2truefalsefalse4.074.07USD$falsetruefalse3truefalsefalse1.701.70USD$falsetruefalse4truefalsefalse16.2916.29USD$falsetruefalsenum:perShareItemTypedecimalThe pro forma basic net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141 -Paragraph 54 -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 Statement of Financial Accounting Standard (FAS) -Number 141 -Paragraph 55 -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 141R -Paragraph 68 -Subparagraph r(2, 3) -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 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(2)-(3) -URI http://asc.fasb.org/extlink&oid=7659399&loc=d3e1392-128463 false3Basic earnings per share attributable to Tronox Limited Shareholders6false 4us-gaap_BusinessAcquisitionProFormaEarningsPerShareDilutedus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse1.981.98USD$falsetruefalse2truefalsefalse3.923.92USD$falsetruefalse3truefalsefalse1.671.67USD$falsetruefalse4truefalsefalse15.9115.91USD$falsetruefalsenum:perShareItemTypedecimalThe pro forma diluted net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141 -Paragraph 54 -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 Statement of Financial Accounting Standard (FAS) -Number 141 -Paragraph 55 -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 141R -Paragraph 68 -Subparagraph r(2, 3) -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 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(2)-(3) -URI http://asc.fasb.org/extlink&oid=7659399&loc=d3e1392-128463 false3Diluted earnings per share attributable to Tronox Limited ShareholdersfalseAcquisition of the mineral sands business - Supplemental Pro Forma Financial Information (Detail) (USD $)MillionsUnKnownNoRoundingUnKnowntruefalsefalseSheethttp://imetrix.edgar-online.com/taxonomy/role/DisclosureAcquisitionOfMineralSandsBusinessSupplementalProFormaFinancialInformation46