<?xml version="1.0" encoding="utf-8"?>
<xbrl
  xmlns="http://www.xbrl.org/2003/instance"
  xmlns:dei="http://xbrl.sec.gov/dei/2026"
  xmlns:ffd="http://xbrl.sec.gov/ffd/2026"
  xmlns:iso4217="http://www.xbrl.org/2003/iso4217"
  xmlns:link="http://www.xbrl.org/2003/linkbase"
  xmlns:xbrldi="http://xbrl.org/2006/xbrldi"
  xmlns:xlink="http://www.w3.org/1999/xlink"
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
    <link:schemaRef
      xlink:href="https://xbrl.sec.gov/ffd/2026/ffd-2026.xsd"
      xlink:type="simple"/>
    <context id="rc">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001278680</identifier>
        </entity>
        <period>
            <startDate>2026-03-30</startDate>
            <endDate>2026-03-30</endDate>
        </period>
    </context>
    <context id="f424_1">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001278680</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:Scties424iAxis">
                    <dei:lineNo>1</dei:lineNo>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-03-30</startDate>
            <endDate>2026-03-30</endDate>
        </period>
    </context>
    <context id="ofst_1">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001278680</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:OffsetAxis">
                    <dei:lineNo>1</dei:lineNo>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-03-30</startDate>
            <endDate>2026-03-30</endDate>
        </period>
    </context>
    <unit id="USD">
        <measure>iso4217:USD</measure>
    </unit>
    <unit id="pure">
        <measure>pure</measure>
    </unit>
    <unit id="Shares">
        <measure>shares</measure>
    </unit>
    <ffd:FormTp contextRef="rc" id="hiddenrcFormTp">R 424I</ffd:FormTp>
    <ffd:SubmissnTp contextRef="rc" id="ixv-156">424I</ffd:SubmissnTp>
    <ffd:FeeExhibitTp contextRef="rc" id="ixv-157">EX-FILING FEES</ffd:FeeExhibitTp>
    <ffd:RegnFileNb contextRef="rc" id="ixv-158">333-268746</ffd:RegnFileNb>
    <dei:EntityCentralIndexKey contextRef="rc" id="ixv-159">0001278680</dei:EntityCentralIndexKey>
    <dei:EntityRegistrantName contextRef="rc" id="ixv-160">ISHARES GOLD TRUST</dei:EntityRegistrantName>
    <ffd:OffsetTableNa contextRef="rc" id="hiddenrcOffsetTableNa" xsi:nil="true"/>
    <ffd:Securities424iNa
      contextRef="rc"
      id="hiddenrcSecurities424iNa"
      xsi:nil="true"/>
    <ffd:OffsetClmdInd contextRef="ofst_1" id="ixv-163">true</ffd:OffsetClmdInd>
    <ffd:Rule457pOffsetFlg contextRef="ofst_1" id="ixv-164">true</ffd:Rule457pOffsetFlg>
    <ffd:SubmissnTp contextRef="rc" id="ixv-165">424I</ffd:SubmissnTp>
    <ffd:FeeExhibitTp contextRef="rc" id="ixv-166">EX-FILING FEES</ffd:FeeExhibitTp>
    <dei:EntityCentralIndexKey contextRef="rc" id="ixv-167">0001278680</dei:EntityCentralIndexKey>
    <dei:EntityRegistrantName contextRef="rc" id="ixv-168">ISHARES GOLD TRUST</dei:EntityRegistrantName>
    <dei:EntityRegistrantName contextRef="rc" id="ixv-202">ISHARES GOLD TRUST</dei:EntityRegistrantName>
    <ffd:IssrNm contextRef="rc" id="ixv-203">ISHARES GOLD TRUST</ffd:IssrNm>
    <ffd:IssrBizAdrStrt1 contextRef="rc" id="ixv-204">BLACKROCK INC.</ffd:IssrBizAdrStrt1>
    <ffd:IssrBizAdrStrt2 contextRef="rc" id="ixv-205">400 HOWARD STREET</ffd:IssrBizAdrStrt2>
    <ffd:IssrBizAdrCity contextRef="rc" id="ixv-206">SAN FRANCISCO</ffd:IssrBizAdrCity>
    <ffd:IssrBizAdrStatOrCtryCd contextRef="rc" id="ixv-207">CA</ffd:IssrBizAdrStatOrCtryCd>
    <ffd:IssrBizAdrZipCd contextRef="rc" id="ixv-208">94105</ffd:IssrBizAdrZipCd>
    <ffd:RegnFileNb contextRef="rc" id="ixv-209">333-268746</ffd:RegnFileNb>
    <ffd:RptgFsclYrEndDt contextRef="rc" id="ixv-210">2025-12-31</ffd:RptgFsclYrEndDt>
    <ffd:OfferingSctyTitl contextRef="f424_1" id="ixv-211">Shares</ffd:OfferingSctyTitl>
    <ffd:AggtSalesPricFsclYr contextRef="f424_1" decimals="2" id="ixv-212" unitRef="USD">14775772166.00</ffd:AggtSalesPricFsclYr>
    <ffd:AggtRedRpPricFsclYr contextRef="f424_1" decimals="2" id="ixv-213" unitRef="USD">3617499975.00</ffd:AggtRedRpPricFsclYr>
    <ffd:AggtRedRpPricPrrFsclYr contextRef="f424_1" decimals="2" id="ixv-214" unitRef="USD">4998156702.00</ffd:AggtRedRpPricPrrFsclYr>
    <ffd:NetSalesAmt contextRef="f424_1" decimals="2" id="ixv-215" unitRef="USD">6160115489.00</ffd:NetSalesAmt>
    <ffd:AmtRedCdts contextRef="f424_1" decimals="2" id="ixv-216" unitRef="USD">0.00</ffd:AmtRedCdts>
    <ffd:FeeRate
      contextRef="f424_1"
      decimals="7"
      id="ixv-217"
      unitRef="pure">0.0001381</ffd:FeeRate>
    <ffd:FeeAmt contextRef="f424_1" decimals="2" id="ixv-218" unitRef="USD">850711.95</ffd:FeeAmt>
    <ffd:TtlFeeAmt contextRef="rc" decimals="2" id="ixv-219" unitRef="USD">850711.95</ffd:TtlFeeAmt>
    <ffd:FeeIntrstAmt contextRef="rc" decimals="2" id="ixv-220" unitRef="USD">0.00</ffd:FeeIntrstAmt>
    <ffd:TtlFeeAndIntrstAmt contextRef="rc" decimals="2" id="ixv-221" unitRef="USD">850711.95</ffd:TtlFeeAndIntrstAmt>
    <ffd:TtlOffsetAmt contextRef="rc" decimals="2" id="ixv-222" unitRef="USD">850711.95</ffd:TtlOffsetAmt>
    <ffd:NetFeeAmt contextRef="rc" decimals="2" id="ixv-223" unitRef="USD">0.00</ffd:NetFeeAmt>
    <ffd:OffsetPrrFilerNm contextRef="ofst_1" id="ixv-224">iShares Gold Trust</ffd:OffsetPrrFilerNm>
    <ffd:OffsetPrrFileNb contextRef="ofst_1" id="ixv-225">333-255651</ffd:OffsetPrrFileNb>
    <ffd:OffsetClmInitlFilgDt contextRef="ofst_1" id="ixv-226">2021-04-30</ffd:OffsetClmInitlFilgDt>
    <ffd:OffsetClmdAmt contextRef="ofst_1" decimals="2" id="ixv-227" unitRef="USD">850711.95</ffd:OffsetClmdAmt>
    <ffd:OffsetPrrNbOfUnsoldScties
      contextRef="ofst_1"
      decimals="0"
      id="ixv-228"
      unitRef="Shares">215113579</ffd:OffsetPrrNbOfUnsoldScties>
    <ffd:TermntnCmpltnWdrwl contextRef="ofst_1" id="ixv-229">The registrant terminated or completed any offering that included the unsold securities associated with the claimed offset under the prior registration statement.</ffd:TermntnCmpltnWdrwl>
</xbrl>
