<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.24.0.1</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>219</ContextCount>
  <ElementCount>76</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>true</FootnotesReported>
  <SegmentCount>56</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>2</UnitCount>
  <MyReports>
    <Report instance="f37674d0.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>000000 - Document - Document and Entity Information {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vanguard.com/role/DocumentDocumentandEntityInformationElements</Role>
      <ShortName>Document and Entity Information</ShortName>
      <MenuCategory>Risk/Return</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report instance="f37674d0.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>000019 - Disclosure - Risk/Return Detail Data {Elements} - Vanguard European Stock Index Fund (Investor)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vanguard.com/role/DisclosureRiskReturnDetailDataElementsVanguardEuropeanStockIndexFundInvestor</Role>
      <ShortName>Risk/Return Detail Data- Vanguard European Stock Index Fund (Investor)</ShortName>
      <MenuCategory>Risk/Return</MenuCategory>
      <Position>2</Position>
    </Report>
    <Report instance="f37674d0.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>000029 - Disclosure - Risk/Return Detail Data {Elements} - Vanguard Pacific Stock Index Fund (Investor)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vanguard.com/role/DisclosureRiskReturnDetailDataElementsVanguardPacificStockIndexFundInvestor</Role>
      <ShortName>Risk/Return Detail Data- Vanguard Pacific Stock Index Fund (Investor)</ShortName>
      <MenuCategory>Risk/Return</MenuCategory>
      <Position>3</Position>
    </Report>
    <Report instance="f37674d0.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>000039 - Disclosure - Risk/Return Detail Data {Elements} - Vanguard Emerging Markets Stock Index Fund (Investor)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vanguard.com/role/DisclosureRiskReturnDetailDataElementsVanguardEmergingMarketsStockIndexFundInvestor</Role>
      <ShortName>Risk/Return Detail Data- Vanguard Emerging Markets Stock Index Fund (Investor)</ShortName>
      <MenuCategory>Risk/Return</MenuCategory>
      <Position>4</Position>
    </Report>
    <Report instance="f37674d0.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>000049 - Disclosure - Risk/Return Detail Data {Elements} - Vanguard European Stock Index Fund (Admiral)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vanguard.com/role/DisclosureRiskReturnDetailDataElementsVanguardEuropeanStockIndexFundAdmiral</Role>
      <ShortName>Risk/Return Detail Data- Vanguard European Stock Index Fund (Admiral)</ShortName>
      <MenuCategory>Risk/Return</MenuCategory>
      <Position>5</Position>
    </Report>
    <Report instance="f37674d0.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>000059 - Disclosure - Risk/Return Detail Data {Elements} - Vanguard Pacific Stock Index Fund (Admiral)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vanguard.com/role/DisclosureRiskReturnDetailDataElementsVanguardPacificStockIndexFundAdmiral</Role>
      <ShortName>Risk/Return Detail Data- Vanguard Pacific Stock Index Fund (Admiral)</ShortName>
      <MenuCategory>Risk/Return</MenuCategory>
      <Position>6</Position>
    </Report>
    <Report instance="f37674d0.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>000069 - Disclosure - Risk/Return Detail Data {Elements} - Vanguard Emerging Markets Stock Index Fund (Admiral)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vanguard.com/role/DisclosureRiskReturnDetailDataElementsVanguardEmergingMarketsStockIndexFundAdmiral</Role>
      <ShortName>Risk/Return Detail Data- Vanguard Emerging Markets Stock Index Fund (Admiral)</ShortName>
      <MenuCategory>Risk/Return</MenuCategory>
      <Position>7</Position>
    </Report>
    <Report instance="f37674d0.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>000079 - Disclosure - Risk/Return Detail Data {Elements} - Vanguard European Stock Index Fund (Institutional)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vanguard.com/role/DisclosureRiskReturnDetailDataElementsVanguardEuropeanStockIndexFundInstitutional</Role>
      <ShortName>Risk/Return Detail Data- Vanguard European Stock Index Fund (Institutional)</ShortName>
      <MenuCategory>Risk/Return</MenuCategory>
      <Position>8</Position>
    </Report>
    <Report instance="f37674d0.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>000089 - Disclosure - Risk/Return Detail Data {Elements} - Vanguard Pacific Stock Index Fund (Institutional)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vanguard.com/role/DisclosureRiskReturnDetailDataElementsVanguardPacificStockIndexFundInstitutional</Role>
      <ShortName>Risk/Return Detail Data- Vanguard Pacific Stock Index Fund (Institutional)</ShortName>
      <MenuCategory>Risk/Return</MenuCategory>
      <Position>9</Position>
    </Report>
    <Report instance="f37674d0.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>000099 - Disclosure - Risk/Return Detail Data {Elements} - Vanguard Emerging Markets Stock Index Fund (Institutional)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vanguard.com/role/DisclosureRiskReturnDetailDataElementsVanguardEmergingMarketsStockIndexFundInstitutional</Role>
      <ShortName>Risk/Return Detail Data- Vanguard Emerging Markets Stock Index Fund (Institutional)</ShortName>
      <MenuCategory>Risk/Return</MenuCategory>
      <Position>10</Position>
    </Report>
    <Report instance="f37674d0.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>000109 - Disclosure - Risk/Return Detail Data {Elements} - Vanguard European Stock Index Fund (ETF)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vanguard.com/role/DisclosureRiskReturnDetailDataElementsVanguardEuropeanStockIndexFundETF</Role>
      <ShortName>Risk/Return Detail Data- Vanguard European Stock Index Fund (ETF)</ShortName>
      <MenuCategory>Risk/Return</MenuCategory>
      <Position>11</Position>
    </Report>
    <Report instance="f37674d0.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>000119 - Disclosure - Risk/Return Detail Data {Elements} - Vanguard Pacific Stock Index Fund (ETF)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vanguard.com/role/DisclosureRiskReturnDetailDataElementsVanguardPacificStockIndexFundETF</Role>
      <ShortName>Risk/Return Detail Data- Vanguard Pacific Stock Index Fund (ETF)</ShortName>
      <MenuCategory>Risk/Return</MenuCategory>
      <Position>12</Position>
    </Report>
    <Report instance="f37674d0.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>000129 - Disclosure - Risk/Return Detail Data {Elements} - Vanguard Emerging Markets Stock Index Fund (ETF)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vanguard.com/role/DisclosureRiskReturnDetailDataElementsVanguardEmergingMarketsStockIndexFundETF</Role>
      <ShortName>Risk/Return Detail Data- Vanguard Emerging Markets Stock Index Fund (ETF)</ShortName>
      <MenuCategory>Risk/Return</MenuCategory>
      <Position>13</Position>
    </Report>
    <Report instance="f37674d0.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>000139 - Disclosure - Risk/Return Detail Data {Elements} - Vanguard FTSE All-World ex-US Index Fund (Admiral)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vanguard.com/role/DisclosureRiskReturnDetailDataElementsVanguardFTSEAll-Worldex-USIndexFundAdmiral</Role>
      <ShortName>Risk/Return Detail Data- Vanguard FTSE All-World ex-US Index Fund (Admiral)</ShortName>
      <MenuCategory>Risk/Return</MenuCategory>
      <Position>14</Position>
    </Report>
    <Report instance="f37674d0.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>000149 - Disclosure - Risk/Return Detail Data {Elements} - Vanguard FTSE All-World ex-US Index Fund (ETF)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vanguard.com/role/DisclosureRiskReturnDetailDataElementsVanguardFTSEAll-Worldex-USIndexFundETF</Role>
      <ShortName>Risk/Return Detail Data- Vanguard FTSE All-World ex-US Index Fund (ETF)</ShortName>
      <MenuCategory>Risk/Return</MenuCategory>
      <Position>15</Position>
    </Report>
    <Report instance="f37674d0.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>000159 - Disclosure - Risk/Return Detail Data {Elements} - Vanguard FTSE All-World ex-US Index Fund (Institutional)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vanguard.com/role/DisclosureRiskReturnDetailDataElementsVanguardFTSEAll-Worldex-USIndexFundInstitutional</Role>
      <ShortName>Risk/Return Detail Data- Vanguard FTSE All-World ex-US Index Fund (Institutional)</ShortName>
      <MenuCategory>Risk/Return</MenuCategory>
      <Position>16</Position>
    </Report>
    <Report instance="f37674d0.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>000169 - Disclosure - Risk/Return Detail Data {Elements} - Vanguard FTSE All-World ex-US Small-Cap Index Fund (Admiral)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vanguard.com/role/DisclosureRiskReturnDetailDataElementsVanguardFTSEAll-Worldex-USSmall-CapIndexFundAdmiral</Role>
      <ShortName>Risk/Return Detail Data- Vanguard FTSE All-World ex-US Small-Cap Index Fund (Admiral)</ShortName>
      <MenuCategory>Risk/Return</MenuCategory>
      <Position>17</Position>
    </Report>
    <Report instance="f37674d0.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>000179 - Disclosure - Risk/Return Detail Data {Elements} - Vanguard FTSE All-World ex-US Small-Cap Index Fund (ETF)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vanguard.com/role/DisclosureRiskReturnDetailDataElementsVanguardFTSEAll-Worldex-USSmall-CapIndexFundETF</Role>
      <ShortName>Risk/Return Detail Data- Vanguard FTSE All-World ex-US Small-Cap Index Fund (ETF)</ShortName>
      <MenuCategory>Risk/Return</MenuCategory>
      <Position>18</Position>
    </Report>
    <Report instance="f37674d0.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>000189 - Disclosure - Risk/Return Detail Data {Elements} - Vanguard FTSE All-World ex-US Small-Cap Index Fund (Institutional)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vanguard.com/role/DisclosureRiskReturnDetailDataElementsVanguardFTSEAll-Worldex-USSmall-CapIndexFundInstitutional</Role>
      <ShortName>Risk/Return Detail Data- Vanguard FTSE All-World ex-US Small-Cap Index Fund (Institutional)</ShortName>
      <MenuCategory>Risk/Return</MenuCategory>
      <Position>19</Position>
    </Report>
    <Report instance="f37674d0.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>000199 - Disclosure - Risk/Return Detail Data {Elements} - Vanguard Global ex-US Real Estate Index Fund (Admiral)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vanguard.com/role/DisclosureRiskReturnDetailDataElementsVanguardGlobalex-USRealEstateIndexFundAdmiral</Role>
      <ShortName>Risk/Return Detail Data- Vanguard Global ex-US Real Estate Index Fund (Admiral)</ShortName>
      <MenuCategory>Risk/Return</MenuCategory>
      <Position>20</Position>
    </Report>
    <Report instance="f37674d0.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>000209 - Disclosure - Risk/Return Detail Data {Elements} - Vanguard Global ex-US Real Estate Index Fund (ETF)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vanguard.com/role/DisclosureRiskReturnDetailDataElementsVanguardGlobalex-USRealEstateIndexFundETF</Role>
      <ShortName>Risk/Return Detail Data- Vanguard Global ex-US Real Estate Index Fund (ETF)</ShortName>
      <MenuCategory>Risk/Return</MenuCategory>
      <Position>21</Position>
    </Report>
    <Report instance="f37674d0.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>000219 - Disclosure - Risk/Return Detail Data {Elements} - Vanguard Global ex-US Real Estate Index Fund (Institutional)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vanguard.com/role/DisclosureRiskReturnDetailDataElementsVanguardGlobalex-USRealEstateIndexFundInstitutional</Role>
      <ShortName>Risk/Return Detail Data- Vanguard Global ex-US Real Estate Index Fund (Institutional)</ShortName>
      <MenuCategory>Risk/Return</MenuCategory>
      <Position>22</Position>
    </Report>
    <Report instance="f37674d0.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>000229 - Disclosure - Risk/Return Detail Data {Elements} - Vanguard Total World Stock Index Fund (Admiral)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vanguard.com/role/DisclosureRiskReturnDetailDataElementsVanguardTotalWorldStockIndexFundAdmiral</Role>
      <ShortName>Risk/Return Detail Data- Vanguard Total World Stock Index Fund (Admiral)</ShortName>
      <MenuCategory>Risk/Return</MenuCategory>
      <Position>23</Position>
    </Report>
    <Report instance="f37674d0.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>000239 - Disclosure - Risk/Return Detail Data {Elements} - Vanguard Total World Stock Index Fund (ETF)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vanguard.com/role/DisclosureRiskReturnDetailDataElementsVanguardTotalWorldStockIndexFundETF</Role>
      <ShortName>Risk/Return Detail Data- Vanguard Total World Stock Index Fund (ETF)</ShortName>
      <MenuCategory>Risk/Return</MenuCategory>
      <Position>24</Position>
    </Report>
    <Report instance="f37674d0.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>000249 - Disclosure - Risk/Return Detail Data {Elements} - Vanguard Total World Stock Index Fund (Institutional)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vanguard.com/role/DisclosureRiskReturnDetailDataElementsVanguardTotalWorldStockIndexFundInstitutional</Role>
      <ShortName>Risk/Return Detail Data- Vanguard Total World Stock Index Fund (Institutional)</ShortName>
      <MenuCategory>Risk/Return</MenuCategory>
      <Position>25</Position>
    </Report>
    <Report instance="f37674d0.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>040000 - Disclosure - Risk/Return Detail Data {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://xbrl.sec.gov/rr/role/RiskReturnDetailData</Role>
      <ShortName>Risk/Return Detail Data</ShortName>
      <MenuCategory>Risk/Return</MenuCategory>
      <Position>26</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <InputFiles>
    <File doctype="485BPOS" isN1a="true" isRR="true" isRRorOEF="true" original="f37674d0.htm">f37674d0.htm</File>
    <File>intnatleqidx-20240226.xsd</File>
    <File>intnatleqidx-20240226_cal.xml</File>
    <File>intnatleqidx-20240226_def.xml</File>
    <File>intnatleqidx-20240226_lab.xml</File>
    <File>intnatleqidx-20240226_pre.xml</File>
  </InputFiles>
  <SupplementalFiles>
    <File>ems239_12.jpg</File>
    <File>ems533_16.jpg</File>
    <File>ems5533_9.jpg</File>
    <File>ems964_13.jpg</File>
    <File>es235_11.jpg</File>
    <File>es579_9.jpg</File>
    <File>es79_18.jpg</File>
    <File>es963_10.jpg</File>
    <File>fae570_5.jpg</File>
    <File>fae881_10.jpg</File>
    <File>fae991_11.jpg</File>
    <File>faes2284_9.jpg</File>
    <File>faes3184_10.jpg</File>
    <File>faes884_12.jpg</File>
    <File>flag.gif</File>
    <File>gere1858_11.jpg</File>
    <File>gere3358_10.jpg</File>
    <File>gere738_10.jpg</File>
    <File>ps237_12.jpg</File>
    <File>ps572_8.jpg</File>
    <File>ps72_14.jpg</File>
    <File>ps962_13.jpg</File>
    <File>tws3141_12.jpg</File>
    <File>tws5028_5.jpg</File>
    <File>tws826_11.jpg</File>
    <File>vanguard_2.jpg</File>
  </SupplementalFiles>
  <BaseTaxonomies>
    <BaseTaxonomy items="8">http://xbrl.sec.gov/dei/2023</BaseTaxonomy>
    <BaseTaxonomy items="1643">http://xbrl.sec.gov/rr/2023</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
