<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.25.0.1</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>961</ContextCount>
  <ElementCount>572</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>true</FootnotesReported>
  <SegmentCount>272</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>18</UnitCount>
  <MyReports>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>0000001 - Document - Cover</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/Cover</Role>
      <ShortName>Cover</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>0000002 - Document - Audit Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/AuditInformation</Role>
      <ShortName>Audit Information</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>2</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>9952151 - Statement - Consolidated Statements of Income</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/ConsolidatedStatementsofIncome</Role>
      <ShortName>Consolidated Statements of Income</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>3</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>9952152 - Statement - Consolidated Statements of Comprehensive Income</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/ConsolidatedStatementsofComprehensiveIncome</Role>
      <ShortName>Consolidated Statements of Comprehensive Income</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>4</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>9952153 - Statement - Consolidated Statements of Comprehensive Income (Parentheticals)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/ConsolidatedStatementsofComprehensiveIncomeParentheticals</Role>
      <ShortName>Consolidated Statements of Comprehensive Income (Parentheticals)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>5</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>9952154 - Statement - Consolidated Statements of Cash Flow</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/ConsolidatedStatementsofCashFlow</Role>
      <ShortName>Consolidated Statements of Cash Flow</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>6</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>9952155 - Statement - Consolidated Statements of Cash Flow (Parentheticals)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/ConsolidatedStatementsofCashFlowParentheticals</Role>
      <ShortName>Consolidated Statements of Cash Flow (Parentheticals)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>7</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>9952156 - Statement - Consolidated Balance Sheets</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/ConsolidatedBalanceSheets</Role>
      <ShortName>Consolidated Balance Sheets</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>8</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>9952157 - Statement - Consolidated Statements of Changes in Equity</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/ConsolidatedStatementsofChangesinEquity</Role>
      <ShortName>Consolidated Statements of Changes in Equity</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>9</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>9952158 - Statement - Consolidated Statements of Changes in Equity (Parentheticals)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/ConsolidatedStatementsofChangesinEquityParentheticals</Role>
      <ShortName>Consolidated Statements of Changes in Equity (Parentheticals)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>10</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>9952159 - Disclosure - CORPORATE INFORMATION</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/CORPORATEINFORMATION</Role>
      <ShortName>CORPORATE INFORMATION</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>11</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>9952160 - Disclosure - MATERIAL ACCOUNTING POLICY INFORMATION</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/MATERIALACCOUNTINGPOLICYINFORMATION</Role>
      <ShortName>MATERIAL ACCOUNTING POLICY INFORMATION</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>12</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>9952161 - Disclosure - CRITICAL JUDGMENTS, ESTIMATES, ASSUMPTIONS AND RISKS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/CRITICALJUDGMENTSESTIMATESASSUMPTIONSANDRISKS</Role>
      <ShortName>CRITICAL JUDGMENTS, ESTIMATES, ASSUMPTIONS AND RISKS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>13</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>9952162 - Disclosure - ACQUISITIONS AND DIVESTITURES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/ACQUISITIONSANDDIVESTITURES</Role>
      <ShortName>ACQUISITIONS AND DIVESTITURES</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>14</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>9952163 - Disclosure - SEGMENT INFORMATION</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/SEGMENTINFORMATION</Role>
      <ShortName>SEGMENT INFORMATION</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>15</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>9952164 - Disclosure - REVENUE</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/REVENUE</Role>
      <ShortName>REVENUE</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>16</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>9952165 - Disclosure - COST OF SALES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/COSTOFSALES</Role>
      <ShortName>COST OF SALES</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>17</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>9952166 - Disclosure - EXPLORATION, EVALUATION AND PROJECT EXPENSES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/EXPLORATIONEVALUATIONANDPROJECTEXPENSES</Role>
      <ShortName>EXPLORATION, EVALUATION AND PROJECT EXPENSES</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>18</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>9952167 - Disclosure - OTHER EXPENSE (INCOME)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/OTHEREXPENSEINCOME</Role>
      <ShortName>OTHER EXPENSE (INCOME)</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>19</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>9952168 - Disclosure - IMPAIRMENT REVERSALS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/IMPAIRMENTREVERSALS</Role>
      <ShortName>IMPAIRMENT REVERSALS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>20</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>9952169 - Disclosure - GENERAL AND ADMINISTRATIVE EXPENSES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/GENERALANDADMINISTRATIVEEXPENSES</Role>
      <ShortName>GENERAL AND ADMINISTRATIVE EXPENSES</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>21</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>9952170 - Disclosure - INCOME TAX EXPENSE</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/INCOMETAXEXPENSE</Role>
      <ShortName>INCOME TAX EXPENSE</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>22</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>9952171 - Disclosure - EARNINGS PER SHARE</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/EARNINGSPERSHARE</Role>
      <ShortName>EARNINGS PER SHARE</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>23</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>9952172 - Disclosure - FINANCE COSTS, NET</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/FINANCECOSTSNET</Role>
      <ShortName>FINANCE COSTS, NET</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>24</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>9952173 - Disclosure - CASH FLOW ??? OTHER ITEMS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/CASHFLOWOTHERITEMS</Role>
      <ShortName>CASH FLOW ??? OTHER ITEMS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>25</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>9952174 - Disclosure - INVESTMENTS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/INVESTMENTS</Role>
      <ShortName>INVESTMENTS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>26</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.htm</HtmlFileName>
      <LongName>9952175 - Disclosure - INVENTORIES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/INVENTORIES</Role>
      <ShortName>INVENTORIES</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>27</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>9952176 - Disclosure - ACCOUNTS RECEIVABLE AND OTHER CURRENT ASSETS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/ACCOUNTSRECEIVABLEANDOTHERCURRENTASSETS</Role>
      <ShortName>ACCOUNTS RECEIVABLE AND OTHER CURRENT ASSETS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>28</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>9952177 - Disclosure - PROPERTY, PLANT AND EQUIPMENT</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/PROPERTYPLANTANDEQUIPMENT</Role>
      <ShortName>PROPERTY, PLANT AND EQUIPMENT</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>29</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>9952178 - Disclosure - GOODWILL AND OTHER INTANGIBLE ASSETS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/GOODWILLANDOTHERINTANGIBLEASSETS</Role>
      <ShortName>GOODWILL AND OTHER INTANGIBLE ASSETS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>30</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>9952179 - Disclosure - IMPAIRMENT AND REVERSAL OF NON-CURRENT ASSETS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/IMPAIRMENTANDREVERSALOFNONCURRENTASSETS</Role>
      <ShortName>IMPAIRMENT AND REVERSAL OF NON-CURRENT ASSETS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>31</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R32.htm</HtmlFileName>
      <LongName>9952180 - Disclosure - OTHER ASSETS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/OTHERASSETS</Role>
      <ShortName>OTHER ASSETS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>32</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>9952181 - Disclosure - ACCOUNTS PAYABLE</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/ACCOUNTSPAYABLE</Role>
      <ShortName>ACCOUNTS PAYABLE</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>33</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R34.htm</HtmlFileName>
      <LongName>9952182 - Disclosure - OTHER CURRENT LIABILITIES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/OTHERCURRENTLIABILITIES</Role>
      <ShortName>OTHER CURRENT LIABILITIES</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>34</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R35.htm</HtmlFileName>
      <LongName>9952183 - Disclosure - FINANCIAL INSTRUMENTS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/FINANCIALINSTRUMENTS</Role>
      <ShortName>FINANCIAL INSTRUMENTS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>35</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R36.htm</HtmlFileName>
      <LongName>9952184 - Disclosure - FAIR VALUE MEASUREMENTS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/FAIRVALUEMEASUREMENTS</Role>
      <ShortName>FAIR VALUE MEASUREMENTS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>36</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R37.htm</HtmlFileName>
      <LongName>9952186 - Disclosure - FINANCIAL RISK MANAGEMENT</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/FINANCIALRISKMANAGEMENT</Role>
      <ShortName>FINANCIAL RISK MANAGEMENT</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>37</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R38.htm</HtmlFileName>
      <LongName>9952187 - Disclosure - OTHER NON-CURRENT LIABILITIES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/OTHERNONCURRENTLIABILITIES</Role>
      <ShortName>OTHER NON-CURRENT LIABILITIES</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>38</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R39.htm</HtmlFileName>
      <LongName>9952188 - Disclosure - DEFERRED INCOME TAXES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/DEFERREDINCOMETAXES</Role>
      <ShortName>DEFERRED INCOME TAXES</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>39</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R40.htm</HtmlFileName>
      <LongName>9952189 - Disclosure - CAPITAL STOCK</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/CAPITALSTOCK</Role>
      <ShortName>CAPITAL STOCK</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>40</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R41.htm</HtmlFileName>
      <LongName>9952190 - Disclosure - NON-CONTROLLING INTERESTS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/NONCONTROLLINGINTERESTS</Role>
      <ShortName>NON-CONTROLLING INTERESTS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>41</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R42.htm</HtmlFileName>
      <LongName>9952191 - Disclosure - RELATED PARTY TRANSACTIONS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/RELATEDPARTYTRANSACTIONS</Role>
      <ShortName>RELATED PARTY TRANSACTIONS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>42</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R43.htm</HtmlFileName>
      <LongName>9952192 - Disclosure - STOCK-BASED COMPENSATION</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/STOCKBASEDCOMPENSATION</Role>
      <ShortName>STOCK-BASED COMPENSATION</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>43</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R44.htm</HtmlFileName>
      <LongName>9952193 - Disclosure - CONTINGENCIES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/CONTINGENCIES</Role>
      <ShortName>CONTINGENCIES</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>44</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R45.htm</HtmlFileName>
      <LongName>9955511 - Disclosure - MATERIAL ACCOUNTING POLICY INFORMATION (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/MATERIALACCOUNTINGPOLICYINFORMATIONPolicies</Role>
      <ShortName>MATERIAL ACCOUNTING POLICY INFORMATION (Policies)</ShortName>
      <MenuCategory>Policies</MenuCategory>
      <Position>45</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R46.htm</HtmlFileName>
      <LongName>9955512 - Disclosure - MATERIAL ACCOUNTING POLICY INFORMATION (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/MATERIALACCOUNTINGPOLICYINFORMATIONTables</Role>
      <ShortName>MATERIAL ACCOUNTING POLICY INFORMATION (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.barrick.com/role/MATERIALACCOUNTINGPOLICYINFORMATION</ParentRole>
      <Position>46</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R47.htm</HtmlFileName>
      <LongName>9955513 - Disclosure - CRITICAL JUDGMENTS, ESTIMATES, ASSUMPTIONS AND RISKS (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/CRITICALJUDGMENTSESTIMATESASSUMPTIONSANDRISKSTables</Role>
      <ShortName>CRITICAL JUDGMENTS, ESTIMATES, ASSUMPTIONS AND RISKS (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.barrick.com/role/CRITICALJUDGMENTSESTIMATESASSUMPTIONSANDRISKS</ParentRole>
      <Position>47</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R48.htm</HtmlFileName>
      <LongName>9955514 - Disclosure - SEGMENT INFORMATION (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/SEGMENTINFORMATIONTables</Role>
      <ShortName>SEGMENT INFORMATION (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.barrick.com/role/SEGMENTINFORMATION</ParentRole>
      <Position>48</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R49.htm</HtmlFileName>
      <LongName>9955515 - Disclosure - REVENUE (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/REVENUETables</Role>
      <ShortName>REVENUE (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.barrick.com/role/REVENUE</ParentRole>
      <Position>49</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R50.htm</HtmlFileName>
      <LongName>9955516 - Disclosure - COST OF SALES (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/COSTOFSALESTables</Role>
      <ShortName>COST OF SALES (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.barrick.com/role/COSTOFSALES</ParentRole>
      <Position>50</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R51.htm</HtmlFileName>
      <LongName>9955517 - Disclosure - EXPLORATION, EVALUATION AND PROJECT EXPENSES (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/EXPLORATIONEVALUATIONANDPROJECTEXPENSESTables</Role>
      <ShortName>EXPLORATION, EVALUATION AND PROJECT EXPENSES (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.barrick.com/role/EXPLORATIONEVALUATIONANDPROJECTEXPENSES</ParentRole>
      <Position>51</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R52.htm</HtmlFileName>
      <LongName>9955518 - Disclosure - OTHER EXPENSE (INCOME) (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/OTHEREXPENSEINCOMETables</Role>
      <ShortName>OTHER EXPENSE (INCOME) (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.barrick.com/role/OTHEREXPENSEINCOME</ParentRole>
      <Position>52</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R53.htm</HtmlFileName>
      <LongName>9955519 - Disclosure - IMPAIRMENT REVERSALS (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/IMPAIRMENTREVERSALSTables</Role>
      <ShortName>IMPAIRMENT REVERSALS (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.barrick.com/role/IMPAIRMENTREVERSALS</ParentRole>
      <Position>53</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R54.htm</HtmlFileName>
      <LongName>9955520 - Disclosure - GENERAL AND ADMINISTRATIVE EXPENSES (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/GENERALANDADMINISTRATIVEEXPENSESTables</Role>
      <ShortName>GENERAL AND ADMINISTRATIVE EXPENSES (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.barrick.com/role/GENERALANDADMINISTRATIVEEXPENSES</ParentRole>
      <Position>54</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R55.htm</HtmlFileName>
      <LongName>9955521 - Disclosure - INCOME TAX EXPENSE (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/INCOMETAXEXPENSETables</Role>
      <ShortName>INCOME TAX EXPENSE (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.barrick.com/role/INCOMETAXEXPENSE</ParentRole>
      <Position>55</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R56.htm</HtmlFileName>
      <LongName>9955522 - Disclosure - EARNINGS PER SHARE (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/EARNINGSPERSHARETables</Role>
      <ShortName>EARNINGS PER SHARE (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.barrick.com/role/EARNINGSPERSHARE</ParentRole>
      <Position>56</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R57.htm</HtmlFileName>
      <LongName>9955523 - Disclosure - FINANCE COSTS, NET (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/FINANCECOSTSNETTables</Role>
      <ShortName>FINANCE COSTS, NET (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.barrick.com/role/FINANCECOSTSNET</ParentRole>
      <Position>57</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R58.htm</HtmlFileName>
      <LongName>9955524 - Disclosure - CASH FLOW ??? OTHER ITEMS (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/CASHFLOWOTHERITEMSTables</Role>
      <ShortName>CASH FLOW ??? OTHER ITEMS (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.barrick.com/role/CASHFLOWOTHERITEMS</ParentRole>
      <Position>58</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R59.htm</HtmlFileName>
      <LongName>9955525 - Disclosure - INVESTMENTS (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/INVESTMENTSTables</Role>
      <ShortName>INVESTMENTS (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.barrick.com/role/INVESTMENTS</ParentRole>
      <Position>59</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R60.htm</HtmlFileName>
      <LongName>9955526 - Disclosure - INVENTORIES (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/INVENTORIESTables</Role>
      <ShortName>INVENTORIES (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.barrick.com/role/INVENTORIES</ParentRole>
      <Position>60</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R61.htm</HtmlFileName>
      <LongName>9955527 - Disclosure - ACCOUNTS RECEIVABLE AND OTHER CURRENT ASSETS (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/ACCOUNTSRECEIVABLEANDOTHERCURRENTASSETSTables</Role>
      <ShortName>ACCOUNTS RECEIVABLE AND OTHER CURRENT ASSETS (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.barrick.com/role/ACCOUNTSRECEIVABLEANDOTHERCURRENTASSETS</ParentRole>
      <Position>61</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R62.htm</HtmlFileName>
      <LongName>9955528 - Disclosure - PROPERTY, PLANT AND EQUIPMENT (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/PROPERTYPLANTANDEQUIPMENTTables</Role>
      <ShortName>PROPERTY, PLANT AND EQUIPMENT (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.barrick.com/role/PROPERTYPLANTANDEQUIPMENT</ParentRole>
      <Position>62</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R63.htm</HtmlFileName>
      <LongName>9955529 - Disclosure - GOODWILL AND OTHER INTANGIBLE ASSETS (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/GOODWILLANDOTHERINTANGIBLEASSETSTables</Role>
      <ShortName>GOODWILL AND OTHER INTANGIBLE ASSETS (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.barrick.com/role/GOODWILLANDOTHERINTANGIBLEASSETS</ParentRole>
      <Position>63</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R64.htm</HtmlFileName>
      <LongName>9955530 - Disclosure - IMPAIRMENT AND REVERSAL OF NON-CURRENT ASSETS (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/IMPAIRMENTANDREVERSALOFNONCURRENTASSETSTables</Role>
      <ShortName>IMPAIRMENT AND REVERSAL OF NON-CURRENT ASSETS (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.barrick.com/role/IMPAIRMENTANDREVERSALOFNONCURRENTASSETS</ParentRole>
      <Position>64</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R65.htm</HtmlFileName>
      <LongName>9955531 - Disclosure - OTHER ASSETS (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/OTHERASSETSTables</Role>
      <ShortName>OTHER ASSETS (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.barrick.com/role/OTHERASSETS</ParentRole>
      <Position>65</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R66.htm</HtmlFileName>
      <LongName>9955532 - Disclosure - ACCOUNTS PAYABLE (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/ACCOUNTSPAYABLETables</Role>
      <ShortName>ACCOUNTS PAYABLE (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.barrick.com/role/ACCOUNTSPAYABLE</ParentRole>
      <Position>66</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R67.htm</HtmlFileName>
      <LongName>9955533 - Disclosure - OTHER CURRENT LIABILITIES (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/OTHERCURRENTLIABILITIESTables</Role>
      <ShortName>OTHER CURRENT LIABILITIES (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.barrick.com/role/OTHERCURRENTLIABILITIES</ParentRole>
      <Position>67</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R68.htm</HtmlFileName>
      <LongName>9955534 - Disclosure - FINANCIAL INSTRUMENTS (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/FINANCIALINSTRUMENTSTables</Role>
      <ShortName>FINANCIAL INSTRUMENTS (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.barrick.com/role/FINANCIALINSTRUMENTS</ParentRole>
      <Position>68</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R69.htm</HtmlFileName>
      <LongName>9955535 - Disclosure - FAIR VALUE MEASUREMENTS (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/FAIRVALUEMEASUREMENTSTables</Role>
      <ShortName>FAIR VALUE MEASUREMENTS (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.barrick.com/role/FAIRVALUEMEASUREMENTS</ParentRole>
      <Position>69</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R70.htm</HtmlFileName>
      <LongName>9955536 - Disclosure - PROVISIONS (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/PROVISIONSTables</Role>
      <ShortName>PROVISIONS (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <Position>70</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R71.htm</HtmlFileName>
      <LongName>9955537 - Disclosure - FINANCIAL RISK MANAGEMENT (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/FINANCIALRISKMANAGEMENTTables</Role>
      <ShortName>FINANCIAL RISK MANAGEMENT (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.barrick.com/role/FINANCIALRISKMANAGEMENT</ParentRole>
      <Position>71</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R72.htm</HtmlFileName>
      <LongName>9955538 - Disclosure - OTHER NON-CURRENT LIABILITIES (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/OTHERNONCURRENTLIABILITIESTables</Role>
      <ShortName>OTHER NON-CURRENT LIABILITIES (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.barrick.com/role/OTHERNONCURRENTLIABILITIES</ParentRole>
      <Position>72</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R73.htm</HtmlFileName>
      <LongName>9955539 - Disclosure - DEFERRED INCOME TAXES (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/DEFERREDINCOMETAXESTables</Role>
      <ShortName>DEFERRED INCOME TAXES (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.barrick.com/role/DEFERREDINCOMETAXES</ParentRole>
      <Position>73</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R74.htm</HtmlFileName>
      <LongName>9955540 - Disclosure - NON-CONTROLLING INTERESTS (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/NONCONTROLLINGINTERESTSTables</Role>
      <ShortName>NON-CONTROLLING INTERESTS (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.barrick.com/role/NONCONTROLLINGINTERESTS</ParentRole>
      <Position>74</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R75.htm</HtmlFileName>
      <LongName>9955541 - Disclosure - RELATED PARTY TRANSACTIONS (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/RELATEDPARTYTRANSACTIONSTables</Role>
      <ShortName>RELATED PARTY TRANSACTIONS (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.barrick.com/role/RELATEDPARTYTRANSACTIONS</ParentRole>
      <Position>75</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R76.htm</HtmlFileName>
      <LongName>9955542 - Disclosure - STOCK-BASED COMPENSATION (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/STOCKBASEDCOMPENSATIONTables</Role>
      <ShortName>STOCK-BASED COMPENSATION (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.barrick.com/role/STOCKBASEDCOMPENSATION</ParentRole>
      <Position>76</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R77.htm</HtmlFileName>
      <LongName>9955543 - Disclosure - MATERIAL ACCOUNTING POLICY INFORMATION - Joint Arrangements and Entities Other Than 100% Owned Barrick Subsidiaries (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/MATERIALACCOUNTINGPOLICYINFORMATIONJointArrangementsandEntitiesOtherThan100OwnedBarrickSubsidiariesDetails</Role>
      <ShortName>MATERIAL ACCOUNTING POLICY INFORMATION - Joint Arrangements and Entities Other Than 100% Owned Barrick Subsidiaries (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>77</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R78.htm</HtmlFileName>
      <LongName>9955544 - Disclosure - MATERIAL ACCOUNTING POLICY INFORMATION - Estimated Useful Lives of Major Asset Categories (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/MATERIALACCOUNTINGPOLICYINFORMATIONEstimatedUsefulLivesofMajorAssetCategoriesDetails</Role>
      <ShortName>MATERIAL ACCOUNTING POLICY INFORMATION - Estimated Useful Lives of Major Asset Categories (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>78</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R79.htm</HtmlFileName>
      <LongName>9955545 - Disclosure - MATERIAL ACCOUNTING POLICY INFORMATION - Stock-Based Compensation (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/MATERIALACCOUNTINGPOLICYINFORMATIONStockBasedCompensationDetails</Role>
      <ShortName>MATERIAL ACCOUNTING POLICY INFORMATION - Stock-Based Compensation (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>79</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R80.htm</HtmlFileName>
      <LongName>9955546 - Disclosure - CRITICAL JUDGMENTS, ESTIMATES, ASSUMPTIONS AND RISKS (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/CRITICALJUDGMENTSESTIMATESASSUMPTIONSANDRISKSDetails</Role>
      <ShortName>CRITICAL JUDGMENTS, ESTIMATES, ASSUMPTIONS AND RISKS (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.barrick.com/role/CRITICALJUDGMENTSESTIMATESASSUMPTIONSANDRISKSTables</ParentRole>
      <Position>80</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R81.htm</HtmlFileName>
      <LongName>9955547 - Disclosure - ACQUISITION AND DIVESTITURES - Divestitures (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/ACQUISITIONANDDIVESTITURESDivestituresDetails</Role>
      <ShortName>ACQUISITION AND DIVESTITURES - Divestitures (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>81</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R82.htm</HtmlFileName>
      <LongName>9955548 - Disclosure - SEGMENT INFORMATION - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/SEGMENTINFORMATIONNarrativeDetails</Role>
      <ShortName>SEGMENT INFORMATION - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>82</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R83.htm</HtmlFileName>
      <LongName>9955549 - Disclosure - SEGMENT INFORMATION - Consolidated Statements of Income Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/SEGMENTINFORMATIONConsolidatedStatementsofIncomeInformationDetails</Role>
      <ShortName>SEGMENT INFORMATION - Consolidated Statements of Income Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>83</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R84.htm</HtmlFileName>
      <LongName>9955550 - Disclosure - SEGMENT INFORMATION - Reconciliation of Segment Income to Loss from Continuing Operations Before Income Taxes (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/SEGMENTINFORMATIONReconciliationofSegmentIncometoLossfromContinuingOperationsBeforeIncomeTaxesDetails</Role>
      <ShortName>SEGMENT INFORMATION - Reconciliation of Segment Income to Loss from Continuing Operations Before Income Taxes (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>84</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R85.htm</HtmlFileName>
      <LongName>9955551 - Disclosure - SEGMENT INFORMATION - Geographical Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/SEGMENTINFORMATIONGeographicalInformationDetails</Role>
      <ShortName>SEGMENT INFORMATION - Geographical Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>85</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R86.htm</HtmlFileName>
      <LongName>9955552 - Disclosure - SEGMENT INFORMATION - Capital Expenditures (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/SEGMENTINFORMATIONCapitalExpendituresDetails</Role>
      <ShortName>SEGMENT INFORMATION - Capital Expenditures (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>86</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R87.htm</HtmlFileName>
      <LongName>9955553 - Disclosure - REVENUE - Revenue by Type (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/REVENUERevenuebyTypeDetails</Role>
      <ShortName>REVENUE - Revenue by Type (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>87</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R88.htm</HtmlFileName>
      <LongName>9955554 - Disclosure - REVENUE - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/REVENUENarrativeDetails</Role>
      <ShortName>REVENUE - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>88</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R89.htm</HtmlFileName>
      <LongName>9955555 - Disclosure - COST OF SALES (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/COSTOFSALESDetails</Role>
      <ShortName>COST OF SALES (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.barrick.com/role/COSTOFSALESTables</ParentRole>
      <Position>89</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R90.htm</HtmlFileName>
      <LongName>9955556 - Disclosure - EXPLORATION, EVALUATION AND PROJECT EXPENSES (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/EXPLORATIONEVALUATIONANDPROJECTEXPENSESDetails</Role>
      <ShortName>EXPLORATION, EVALUATION AND PROJECT EXPENSES (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.barrick.com/role/EXPLORATIONEVALUATIONANDPROJECTEXPENSESTables</ParentRole>
      <Position>90</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R91.htm</HtmlFileName>
      <LongName>9955557 - Disclosure - OTHER EXPENSE (INCOME) - Other Expense (Income) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/OTHEREXPENSEINCOMEOtherExpenseIncomeDetails</Role>
      <ShortName>OTHER EXPENSE (INCOME) - Other Expense (Income) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.barrick.com/role/OTHEREXPENSEINCOMETables</ParentRole>
      <Position>91</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R92.htm</HtmlFileName>
      <LongName>9955558 - Disclosure - IMPAIRMENT REVERSALS (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/IMPAIRMENTREVERSALSDetails</Role>
      <ShortName>IMPAIRMENT REVERSALS (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.barrick.com/role/IMPAIRMENTREVERSALSTables</ParentRole>
      <Position>92</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R93.htm</HtmlFileName>
      <LongName>9955559 - Disclosure - GENERAL AND ADMINISTRATIVE EXPENSES (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/GENERALANDADMINISTRATIVEEXPENSESDetails</Role>
      <ShortName>GENERAL AND ADMINISTRATIVE EXPENSES (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.barrick.com/role/GENERALANDADMINISTRATIVEEXPENSESTables</ParentRole>
      <Position>93</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R94.htm</HtmlFileName>
      <LongName>9955560 - Disclosure - INCOME TAX EXPENSE - Schedule of Components of Income Tax Expense (Recovery) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/INCOMETAXEXPENSEScheduleofComponentsofIncomeTaxExpenseRecoveryDetails</Role>
      <ShortName>INCOME TAX EXPENSE - Schedule of Components of Income Tax Expense (Recovery) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>94</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R95.htm</HtmlFileName>
      <LongName>9955561 - Disclosure - INCOME TAX EXPENSE - Reconciliation to Canadian Statutory Rate (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/INCOMETAXEXPENSEReconciliationtoCanadianStatutoryRateDetails</Role>
      <ShortName>INCOME TAX EXPENSE - Reconciliation to Canadian Statutory Rate (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>95</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R96.htm</HtmlFileName>
      <LongName>9955562 - Disclosure - INCOME TAX EXPENSE - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/INCOMETAXEXPENSENarrativeDetails</Role>
      <ShortName>INCOME TAX EXPENSE - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>96</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R97.htm</HtmlFileName>
      <LongName>9955563 - Disclosure - EARNINGS PER SHARE (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/EARNINGSPERSHAREDetails</Role>
      <ShortName>EARNINGS PER SHARE (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.barrick.com/role/EARNINGSPERSHARETables</ParentRole>
      <Position>97</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R98.htm</HtmlFileName>
      <LongName>9955564 - Disclosure - FINANCE COSTS, NET (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/FINANCECOSTSNETDetails</Role>
      <ShortName>FINANCE COSTS, NET (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.barrick.com/role/FINANCECOSTSNETTables</ParentRole>
      <Position>98</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R99.htm</HtmlFileName>
      <LongName>9955565 - Disclosure - CASH FLOW ??? OTHER ITEMS (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/CASHFLOWOTHERITEMSDetails</Role>
      <ShortName>CASH FLOW ??? OTHER ITEMS (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.barrick.com/role/CASHFLOWOTHERITEMSTables</ParentRole>
      <Position>99</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R100.htm</HtmlFileName>
      <LongName>9955566 - Disclosure - INVESTMENTS - Equity Accounting Method Investment Continuity (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/INVESTMENTSEquityAccountingMethodInvestmentContinuityDetails</Role>
      <ShortName>INVESTMENTS - Equity Accounting Method Investment Continuity (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>100</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R101.htm</HtmlFileName>
      <LongName>9955567 - Disclosure - INVESTMENTS - Summarized Equity Investee Financial Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/INVESTMENTSSummarizedEquityInvesteeFinancialInformationDetails</Role>
      <ShortName>INVESTMENTS - Summarized Equity Investee Financial Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>101</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R102.htm</HtmlFileName>
      <LongName>9955568 - Disclosure - INVESTMENTS - Summarized Balance Sheet (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/INVESTMENTSSummarizedBalanceSheetDetails</Role>
      <ShortName>INVESTMENTS - Summarized Balance Sheet (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>102</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R103.htm</HtmlFileName>
      <LongName>9955569 - Disclosure - INVESTMENTS - Reconciliation of Summarized Financial Information to Carrying Value (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/INVESTMENTSReconciliationofSummarizedFinancialInformationtoCarryingValueDetails</Role>
      <ShortName>INVESTMENTS - Reconciliation of Summarized Financial Information to Carrying Value (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>103</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R104.htm</HtmlFileName>
      <LongName>9955570 - Disclosure - INVENTORIES - Inventories By Type (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/INVENTORIESInventoriesByTypeDetails</Role>
      <ShortName>INVENTORIES - Inventories By Type (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>104</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R105.htm</HtmlFileName>
      <LongName>9955571 - Disclosure - INVENTORIES - Inventory Impairment Charges (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/INVENTORIESInventoryImpairmentChargesDetails</Role>
      <ShortName>INVENTORIES - Inventory Impairment Charges (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>105</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R106.htm</HtmlFileName>
      <LongName>9955572 - Disclosure - INVENTORIES - Ore in Stockpiles and on Leach Pads (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/INVENTORIESOreinStockpilesandonLeachPadsDetails</Role>
      <ShortName>INVENTORIES - Ore in Stockpiles and on Leach Pads (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>106</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R107.htm</HtmlFileName>
      <LongName>9955573 - Disclosure - INVENTORIES - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/INVENTORIESNarrativeDetails</Role>
      <ShortName>INVENTORIES - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>107</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R108.htm</HtmlFileName>
      <LongName>9955574 - Disclosure - ACCOUNTS RECEIVABLE AND OTHER CURRENT ASSETS (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/ACCOUNTSRECEIVABLEANDOTHERCURRENTASSETSDetails</Role>
      <ShortName>ACCOUNTS RECEIVABLE AND OTHER CURRENT ASSETS (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.barrick.com/role/ACCOUNTSRECEIVABLEANDOTHERCURRENTASSETSTables</ParentRole>
      <Position>108</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R109.htm</HtmlFileName>
      <LongName>9955575 - Disclosure - PROPERTY, PLANT AND EQUIPMENT - Property, Plant and Equipment by Type (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/PROPERTYPLANTANDEQUIPMENTPropertyPlantandEquipmentbyTypeDetails</Role>
      <ShortName>PROPERTY, PLANT AND EQUIPMENT - Property, Plant and Equipment by Type (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>109</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R110.htm</HtmlFileName>
      <LongName>9955576 - Disclosure - PROPERTY, PLANT AND EQUIPMENT - Mineral Property Costs Not Subject to Depreciation (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/PROPERTYPLANTANDEQUIPMENTMineralPropertyCostsNotSubjecttoDepreciationDetails</Role>
      <ShortName>PROPERTY, PLANT AND EQUIPMENT - Mineral Property Costs Not Subject to Depreciation (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>110</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R111.htm</HtmlFileName>
      <LongName>9955577 - Disclosure - PROPERTY, PLANT AND EQUIPMENT - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/PROPERTYPLANTANDEQUIPMENTNarrativeDetails</Role>
      <ShortName>PROPERTY, PLANT AND EQUIPMENT - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>111</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R112.htm</HtmlFileName>
      <LongName>9955578 - Disclosure - GOODWILL AND OTHER INTANGIBLE ASSETS - Intangible Assets (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/GOODWILLANDOTHERINTANGIBLEASSETSIntangibleAssetsDetails</Role>
      <ShortName>GOODWILL AND OTHER INTANGIBLE ASSETS - Intangible Assets (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>112</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R113.htm</HtmlFileName>
      <LongName>9955579 - Disclosure - GOODWILL AND OTHER INTANGIBLE ASSETS - Goodwill (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/GOODWILLANDOTHERINTANGIBLEASSETSGoodwillDetails</Role>
      <ShortName>GOODWILL AND OTHER INTANGIBLE ASSETS - Goodwill (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>113</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R114.htm</HtmlFileName>
      <LongName>9955580 - Disclosure - GOODWILL AND OTHER INTANGIBLE ASSETS - Gross Amount and Accumulated Impairment Losses of Goodwill (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/GOODWILLANDOTHERINTANGIBLEASSETSGrossAmountandAccumulatedImpairmentLossesofGoodwillDetails</Role>
      <ShortName>GOODWILL AND OTHER INTANGIBLE ASSETS - Gross Amount and Accumulated Impairment Losses of Goodwill (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>114</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R115.htm</HtmlFileName>
      <LongName>9955581 - Disclosure - IMPAIRMENT AND REVERSAL OF NON-CURRENT ASSETS - Impairment Losses (Reversals) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/IMPAIRMENTANDREVERSALOFNONCURRENTASSETSImpairmentLossesReversalsDetails</Role>
      <ShortName>IMPAIRMENT AND REVERSAL OF NON-CURRENT ASSETS - Impairment Losses (Reversals) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>115</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R116.htm</HtmlFileName>
      <LongName>9955582 - Disclosure - IMPAIRMENT AND REVERSAL OF NON-CURRENT ASSETS - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/IMPAIRMENTANDREVERSALOFNONCURRENTASSETSNarrativeDetails</Role>
      <ShortName>IMPAIRMENT AND REVERSAL OF NON-CURRENT ASSETS - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>116</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R117.htm</HtmlFileName>
      <LongName>9955583 - Disclosure - IMPAIRMENT AND REVERSAL OF NON-CURRENT ASSETS - Assumptions (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/IMPAIRMENTANDREVERSALOFNONCURRENTASSETSAssumptionsDetails</Role>
      <ShortName>IMPAIRMENT AND REVERSAL OF NON-CURRENT ASSETS - Assumptions (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>117</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R118.htm</HtmlFileName>
      <LongName>9955584 - Disclosure - IMPAIRMENT AND REVERSAL OF NON-CURRENT ASSETS - Sensitivities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/IMPAIRMENTANDREVERSALOFNONCURRENTASSETSSensitivitiesDetails</Role>
      <ShortName>IMPAIRMENT AND REVERSAL OF NON-CURRENT ASSETS - Sensitivities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>118</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R119.htm</HtmlFileName>
      <LongName>9955585 - Disclosure - OTHER ASSETS (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/OTHERASSETSDetails</Role>
      <ShortName>OTHER ASSETS (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.barrick.com/role/OTHERASSETSTables</ParentRole>
      <Position>119</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R120.htm</HtmlFileName>
      <LongName>9955586 - Disclosure - ACCOUNTS PAYABLE (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/ACCOUNTSPAYABLEDetails</Role>
      <ShortName>ACCOUNTS PAYABLE (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.barrick.com/role/ACCOUNTSPAYABLETables</ParentRole>
      <Position>120</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R121.htm</HtmlFileName>
      <LongName>9955587 - Disclosure - OTHER CURRENT LIABILITIES (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/OTHERCURRENTLIABILITIESDetails</Role>
      <ShortName>OTHER CURRENT LIABILITIES (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.barrick.com/role/OTHERCURRENTLIABILITIESTables</ParentRole>
      <Position>121</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R122.htm</HtmlFileName>
      <LongName>9955588 - Disclosure - FINANCIAL INSTRUMENTS - Cash and Equivalents (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/FINANCIALINSTRUMENTSCashandEquivalentsDetails</Role>
      <ShortName>FINANCIAL INSTRUMENTS - Cash and Equivalents (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>122</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R123.htm</HtmlFileName>
      <LongName>9955589 - Disclosure - FINANCIAL INSTRUMENTS - Debt and Interest (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/FINANCIALINSTRUMENTSDebtandInterestDetails</Role>
      <ShortName>FINANCIAL INSTRUMENTS - Debt and Interest (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>123</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R124.htm</HtmlFileName>
      <LongName>9955590 - Disclosure - FINANCIAL INSTRUMENTS - Debt Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/FINANCIALINSTRUMENTSDebtNarrativeDetails</Role>
      <ShortName>FINANCIAL INSTRUMENTS - Debt Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>124</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R125.htm</HtmlFileName>
      <LongName>9955591 - Disclosure - FINANCIAL INSTRUMENTS - Interest (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/FINANCIALINSTRUMENTSInterestDetails</Role>
      <ShortName>FINANCIAL INSTRUMENTS - Interest (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>125</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R126.htm</HtmlFileName>
      <LongName>9955592 - Disclosure - FINANCIAL INSTRUMENTS - Scheduled Debt Repayments (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/FINANCIALINSTRUMENTSScheduledDebtRepaymentsDetails</Role>
      <ShortName>FINANCIAL INSTRUMENTS - Scheduled Debt Repayments (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>126</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R127.htm</HtmlFileName>
      <LongName>9955593 - Disclosure - FINANCIAL INSTRUMENTS - Summary of Derivatives (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/FINANCIALINSTRUMENTSSummaryofDerivativesDetails</Role>
      <ShortName>FINANCIAL INSTRUMENTS - Summary of Derivatives (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>127</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R128.htm</HtmlFileName>
      <LongName>9955594 - Disclosure - FAIR VALUE MEASUREMENTS - Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/FAIRVALUEMEASUREMENTSAssetsandLiabilitiesMeasuredatFairValueonaRecurringBasisDetails</Role>
      <ShortName>FAIR VALUE MEASUREMENTS - Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>128</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R129.htm</HtmlFileName>
      <LongName>9955595 - Disclosure - FAIR VALUE MEASUREMENTS - Fair Values of Financial Assets and Liabilities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/FAIRVALUEMEASUREMENTSFairValuesofFinancialAssetsandLiabilitiesDetails</Role>
      <ShortName>FAIR VALUE MEASUREMENTS - Fair Values of Financial Assets and Liabilities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>129</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R130.htm</HtmlFileName>
      <LongName>9955596 - Disclosure - FAIR VALUE MEASUREMENTS - Assets and Liabilities Measured at Fair Value on a Non-Recurring Basis (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/FAIRVALUEMEASUREMENTSAssetsandLiabilitiesMeasuredatFairValueonaNonRecurringBasisDetails</Role>
      <ShortName>FAIR VALUE MEASUREMENTS - Assets and Liabilities Measured at Fair Value on a Non-Recurring Basis (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>130</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R131.htm</HtmlFileName>
      <LongName>9955597 - Disclosure - PROVISIONS - Provisions by Type (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/PROVISIONSProvisionsbyTypeDetails</Role>
      <ShortName>PROVISIONS - Provisions by Type (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>131</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R132.htm</HtmlFileName>
      <LongName>9955598 - Disclosure - PROVISIONS - Environmental Rehabilitation (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/PROVISIONSEnvironmentalRehabilitationDetails</Role>
      <ShortName>PROVISIONS - Environmental Rehabilitation (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>132</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R133.htm</HtmlFileName>
      <LongName>9955599 - Disclosure - PROVISIONS - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/PROVISIONSNarrativeDetails</Role>
      <ShortName>PROVISIONS - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>133</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R134.htm</HtmlFileName>
      <LongName>9955600 - Disclosure - FINANCIAL RISK MANAGEMENT - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/FINANCIALRISKMANAGEMENTNarrativeDetails</Role>
      <ShortName>FINANCIAL RISK MANAGEMENT - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>134</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R135.htm</HtmlFileName>
      <LongName>9955601 - Disclosure - FINANCIAL RISK MANAGEMENT - Maximum Exposure Credit Risk (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/FINANCIALRISKMANAGEMENTMaximumExposureCreditRiskDetails</Role>
      <ShortName>FINANCIAL RISK MANAGEMENT - Maximum Exposure Credit Risk (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>135</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R136.htm</HtmlFileName>
      <LongName>9955602 - Disclosure - FINANCIAL RISK MANAGEMENT - Expected Maturity of Financial Assets and Liablities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/FINANCIALRISKMANAGEMENTExpectedMaturityofFinancialAssetsandLiablitiesDetails</Role>
      <ShortName>FINANCIAL RISK MANAGEMENT - Expected Maturity of Financial Assets and Liablities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>136</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R137.htm</HtmlFileName>
      <LongName>9955603 - Disclosure - OTHER NON-CURRENT LIABILITIES - Other Non-Current Liabilities by Type (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/OTHERNONCURRENTLIABILITIESOtherNonCurrentLiabilitiesbyTypeDetails</Role>
      <ShortName>OTHER NON-CURRENT LIABILITIES - Other Non-Current Liabilities by Type (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>137</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R138.htm</HtmlFileName>
      <LongName>9955604 - Disclosure - OTHER NON-CURRENT LIABILITIES - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/OTHERNONCURRENTLIABILITIESNarrativeDetails</Role>
      <ShortName>OTHER NON-CURRENT LIABILITIES - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>138</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R139.htm</HtmlFileName>
      <LongName>9955605 - Disclosure - DEFERRED INCOME TAXES - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/DEFERREDINCOMETAXESNarrativeDetails</Role>
      <ShortName>DEFERRED INCOME TAXES - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>139</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R140.htm</HtmlFileName>
      <LongName>9955606 - Disclosure - DEFERRED INCOME TAXES - Sources of Deferred Income Tax Assets and Liabilities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/DEFERREDINCOMETAXESSourcesofDeferredIncomeTaxAssetsandLiabilitiesDetails</Role>
      <ShortName>DEFERRED INCOME TAXES - Sources of Deferred Income Tax Assets and Liabilities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>140</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R141.htm</HtmlFileName>
      <LongName>9955607 - Disclosure - DEFERRED INCOME TAXES - Expiry Dates of Tax Losses and AMT (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/DEFERREDINCOMETAXESExpiryDatesofTaxLossesandAMTDetails</Role>
      <ShortName>DEFERRED INCOME TAXES - Expiry Dates of Tax Losses and AMT (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>141</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R142.htm</HtmlFileName>
      <LongName>9955608 - Disclosure - DEFERRED INCOME TAXES - Deferred Tax Assets Not Recognized (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/DEFERREDINCOMETAXESDeferredTaxAssetsNotRecognizedDetails</Role>
      <ShortName>DEFERRED INCOME TAXES - Deferred Tax Assets Not Recognized (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>142</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R143.htm</HtmlFileName>
      <LongName>9955609 - Disclosure - DEFERRED INCOME TAXES - Source of Changes in Deferred Tax Balances and Income Tax Related Contingent Liabilities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/DEFERREDINCOMETAXESSourceofChangesinDeferredTaxBalancesandIncomeTaxRelatedContingentLiabilitiesDetails</Role>
      <ShortName>DEFERRED INCOME TAXES - Source of Changes in Deferred Tax Balances and Income Tax Related Contingent Liabilities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>143</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R144.htm</HtmlFileName>
      <LongName>9955610 - Disclosure - CAPITAL STOCK (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/CAPITALSTOCKDetails</Role>
      <ShortName>CAPITAL STOCK (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.barrick.com/role/CAPITALSTOCK</ParentRole>
      <Position>144</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R145.htm</HtmlFileName>
      <LongName>9955611 - Disclosure - NON-CONTROLLING INTERESTS - Continuity (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/NONCONTROLLINGINTERESTSContinuityDetails</Role>
      <ShortName>NON-CONTROLLING INTERESTS - Continuity (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>145</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R146.htm</HtmlFileName>
      <LongName>9955612 - Disclosure - NON-CONTROLLING INTERESTS - Summarized Balance Sheets (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/NONCONTROLLINGINTERESTSSummarizedBalanceSheetsDetails</Role>
      <ShortName>NON-CONTROLLING INTERESTS - Summarized Balance Sheets (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>146</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R147.htm</HtmlFileName>
      <LongName>9955613 - Disclosure - NON-CONTROLLING INTERESTS - Summarized Statements of Income (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/NONCONTROLLINGINTERESTSSummarizedStatementsofIncomeDetails</Role>
      <ShortName>NON-CONTROLLING INTERESTS - Summarized Statements of Income (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>147</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R148.htm</HtmlFileName>
      <LongName>9955614 - Disclosure - NON-CONTROLLING INTERESTS - Summarized Statements of Cash Flows (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/NONCONTROLLINGINTERESTSSummarizedStatementsofCashFlowsDetails</Role>
      <ShortName>NON-CONTROLLING INTERESTS - Summarized Statements of Cash Flows (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>148</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R149.htm</HtmlFileName>
      <LongName>9955615 - Disclosure - RELATED PARTY TRANSACTIONS (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/RELATEDPARTYTRANSACTIONSDetails</Role>
      <ShortName>RELATED PARTY TRANSACTIONS (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.barrick.com/role/RELATEDPARTYTRANSACTIONSTables</ParentRole>
      <Position>149</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R150.htm</HtmlFileName>
      <LongName>9955616 - Disclosure - STOCK-BASED COMPENSATION - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/STOCKBASEDCOMPENSATIONNarrativeDetails</Role>
      <ShortName>STOCK-BASED COMPENSATION - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>150</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R151.htm</HtmlFileName>
      <LongName>9955617 - Disclosure - STOCK-BASED COMPENSATION - DSU and RSU Activity (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/STOCKBASEDCOMPENSATIONDSUandRSUActivityDetails</Role>
      <ShortName>STOCK-BASED COMPENSATION - DSU and RSU Activity (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>151</Position>
    </Report>
    <Report instance="d910692d40f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R152.htm</HtmlFileName>
      <LongName>9955618 - Disclosure - CONTINGENCIES (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.barrick.com/role/CONTINGENCIESDetails</Role>
      <ShortName>CONTINGENCIES (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.barrick.com/role/CONTINGENCIES</ParentRole>
      <Position>152</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <InputFiles>
    <File>abx-20241231.xsd</File>
    <File>abx-20241231_cal.xml</File>
    <File>abx-20241231_def.xml</File>
    <File>abx-20241231_lab.xml</File>
    <File>abx-20241231_pre.xml</File>
    <File doctype="40-F" isDefinitelyFs="true" isIfrs="true" isUsgaap="true" original="d910692d40f.htm">d910692d40f.htm</File>
    <File doctype="40-F" isDefinitelyFs="true" isIfrs="true" isUsgaap="true" original="d910692dex993.htm">d910692dex993.htm</File>
  </InputFiles>
  <SupplementalFiles>
    <File>g910692jabx-20241231_g1.jpg</File>
  </SupplementalFiles>
  <BaseTaxonomies>
    <BaseTaxonomy items="50">http://xbrl.sec.gov/dei/2024</BaseTaxonomy>
    <BaseTaxonomy items="2351">https://xbrl.ifrs.org/taxonomy/2024-03-27/ifrs-full</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
