<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.22.0.1</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>120</ContextCount>
  <ElementCount>191</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>true</FootnotesReported>
  <SegmentCount>77</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>2</UnitCount>
  <MyReports>
    <Report instance="d263790d485bpos.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.blackrock.com/role/DocumentDocumentandEntityInformationElements000000</Role>
      <ShortName>Document and Entity Information</ShortName>
      <MenuCategory></MenuCategory>
      <Position>1</Position>
    </Report>
    <Report instance="d263790d485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>000021 - Disclosure - Risk/Return Detail Data {Elements} - BLACKROCK LIQUIDITY TEMPFUND (Administration)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.blackrock.com/role/DisclosureRiskReturnDetailDataElementsBLACKROCKLIQUIDITYTEMPFUNDAdministration</Role>
      <ShortName>Risk/Return Detail Data- BLACKROCK LIQUIDITY TEMPFUND (Administration)</ShortName>
      <MenuCategory></MenuCategory>
      <Position>2</Position>
    </Report>
    <Report instance="d263790d485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>000041 - Disclosure - Risk/Return Detail Data {Elements} - BLACKROCK LIQUID FEDERAL TRUST FUND (Administration)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.blackrock.com/role/DisclosureRiskReturnDetailDataElementsBLACKROCKLIQUIDFEDERALTRUSTFUNDAdministration</Role>
      <ShortName>Risk/Return Detail Data- BLACKROCK LIQUID FEDERAL TRUST FUND (Administration)</ShortName>
      <MenuCategory></MenuCategory>
      <Position>3</Position>
    </Report>
    <Report instance="d263790d485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>000061 - Disclosure - Risk/Return Detail Data {Elements} - BLACKROCK LIQUIDITY FEDFUND (Administration)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.blackrock.com/role/DisclosureRiskReturnDetailDataElementsBLACKROCKLIQUIDITYFEDFUNDAdministration</Role>
      <ShortName>Risk/Return Detail Data- BLACKROCK LIQUIDITY FEDFUND (Administration)</ShortName>
      <MenuCategory></MenuCategory>
      <Position>4</Position>
    </Report>
    <Report instance="d263790d485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>000081 - Disclosure - Risk/Return Detail Data {Elements} - BLACKROCK LIQUIDITY T-FUND (Administration)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.blackrock.com/role/DisclosureRiskReturnDetailDataElementsBLACKROCKLIQUIDITYTFUNDAdministration</Role>
      <ShortName>Risk/Return Detail Data- BLACKROCK LIQUIDITY T-FUND (Administration)</ShortName>
      <MenuCategory></MenuCategory>
      <Position>5</Position>
    </Report>
    <Report instance="d263790d485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>000101 - Disclosure - Risk/Return Detail Data {Elements} - BLACKROCK LIQUIDITY TREASURY TRUST FUND (Administration)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.blackrock.com/role/DisclosureRiskReturnDetailDataElementsBLACKROCKLIQUIDITYTREASURYTRUSTFUNDAdministration</Role>
      <ShortName>Risk/Return Detail Data- BLACKROCK LIQUIDITY TREASURY TRUST FUND (Administration)</ShortName>
      <MenuCategory></MenuCategory>
      <Position>6</Position>
    </Report>
    <Report instance="d263790d485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>000121 - Disclosure - Risk/Return Detail Data {Elements} - BLACKROCK LIQUIDITY TEMPFUND (Cash Management)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.blackrock.com/role/DisclosureRiskReturnDetailDataElementsBLACKROCKLIQUIDITYTEMPFUNDCashManagement</Role>
      <ShortName>Risk/Return Detail Data- BLACKROCK LIQUIDITY TEMPFUND (Cash Management)</ShortName>
      <MenuCategory></MenuCategory>
      <Position>7</Position>
    </Report>
    <Report instance="d263790d485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>000141 - Disclosure - Risk/Return Detail Data {Elements} - BLACKROCK LIQUID FEDERAL TRUST FUND (Cash Management)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.blackrock.com/role/DisclosureRiskReturnDetailDataElementsBLACKROCKLIQUIDFEDERALTRUSTFUNDCashManagement</Role>
      <ShortName>Risk/Return Detail Data- BLACKROCK LIQUID FEDERAL TRUST FUND (Cash Management)</ShortName>
      <MenuCategory></MenuCategory>
      <Position>8</Position>
    </Report>
    <Report instance="d263790d485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>000161 - Disclosure - Risk/Return Detail Data {Elements} - BLACKROCK LIQUIDITY FEDFUND (Cash Management)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.blackrock.com/role/DisclosureRiskReturnDetailDataElementsBLACKROCKLIQUIDITYFEDFUNDCashManagement</Role>
      <ShortName>Risk/Return Detail Data- BLACKROCK LIQUIDITY FEDFUND (Cash Management)</ShortName>
      <MenuCategory></MenuCategory>
      <Position>9</Position>
    </Report>
    <Report instance="d263790d485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>000181 - Disclosure - Risk/Return Detail Data {Elements} - BLACKROCK LIQUIDITY T-FUND (Cash Management)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.blackrock.com/role/DisclosureRiskReturnDetailDataElementsBLACKROCKLIQUIDITYTFUNDCashManagement</Role>
      <ShortName>Risk/Return Detail Data- BLACKROCK LIQUIDITY T-FUND (Cash Management)</ShortName>
      <MenuCategory></MenuCategory>
      <Position>10</Position>
    </Report>
    <Report instance="d263790d485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>000201 - Disclosure - Risk/Return Detail Data {Elements} - BLACKROCK LIQUIDITY TREASURY TRUST FUND (Cash Management)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.blackrock.com/role/DisclosureRiskReturnDetailDataElementsBLACKROCKLIQUIDITYTREASURYTRUSTFUNDCashManagement</Role>
      <ShortName>Risk/Return Detail Data- BLACKROCK LIQUIDITY TREASURY TRUST FUND (Cash Management)</ShortName>
      <MenuCategory></MenuCategory>
      <Position>11</Position>
    </Report>
    <Report instance="d263790d485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>000221 - Disclosure - Risk/Return Detail Data {Elements} - BLACKROCK LIQUIDITY TEMPFUND (Cash Reserve)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.blackrock.com/role/DisclosureRiskReturnDetailDataElementsBLACKROCKLIQUIDITYTEMPFUNDCashReserve</Role>
      <ShortName>Risk/Return Detail Data- BLACKROCK LIQUIDITY TEMPFUND (Cash Reserve)</ShortName>
      <MenuCategory></MenuCategory>
      <Position>12</Position>
    </Report>
    <Report instance="d263790d485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>000241 - Disclosure - Risk/Return Detail Data {Elements} - BLACKROCK LIQUID FEDERAL TRUST FUND (Cash Reserve)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.blackrock.com/role/DisclosureRiskReturnDetailDataElementsBLACKROCKLIQUIDFEDERALTRUSTFUNDCashReserve</Role>
      <ShortName>Risk/Return Detail Data- BLACKROCK LIQUID FEDERAL TRUST FUND (Cash Reserve)</ShortName>
      <MenuCategory></MenuCategory>
      <Position>13</Position>
    </Report>
    <Report instance="d263790d485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>000261 - Disclosure - Risk/Return Detail Data {Elements} - BLACKROCK LIQUIDITY FEDFUND (Cash Reserve)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.blackrock.com/role/DisclosureRiskReturnDetailDataElementsBLACKROCKLIQUIDITYFEDFUNDCashReserve</Role>
      <ShortName>Risk/Return Detail Data- BLACKROCK LIQUIDITY FEDFUND (Cash Reserve)</ShortName>
      <MenuCategory></MenuCategory>
      <Position>14</Position>
    </Report>
    <Report instance="d263790d485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>000281 - Disclosure - Risk/Return Detail Data {Elements} - BLACKROCK LIQUIDITY T-FUND (Cash Reserve)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.blackrock.com/role/DisclosureRiskReturnDetailDataElementsBLACKROCKLIQUIDITYTFUNDCashReserve</Role>
      <ShortName>Risk/Return Detail Data- BLACKROCK LIQUIDITY T-FUND (Cash Reserve)</ShortName>
      <MenuCategory></MenuCategory>
      <Position>15</Position>
    </Report>
    <Report instance="d263790d485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>000301 - Disclosure - Risk/Return Detail Data {Elements} - BLACKROCK LIQUIDITY TREASURY TRUST FUND (Cash Reserve)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.blackrock.com/role/DisclosureRiskReturnDetailDataElementsBLACKROCKLIQUIDITYTREASURYTRUSTFUNDCashReserve</Role>
      <ShortName>Risk/Return Detail Data- BLACKROCK LIQUIDITY TREASURY TRUST FUND (Cash Reserve)</ShortName>
      <MenuCategory></MenuCategory>
      <Position>16</Position>
    </Report>
    <Report instance="d263790d485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>000321 - Disclosure - Risk/Return Detail Data {Elements} - BLACKROCK LIQUIDITY TEMPCASH (Dollar)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.blackrock.com/role/DisclosureRiskReturnDetailDataElementsBLACKROCKLIQUIDITYTEMPCASHDollar</Role>
      <ShortName>Risk/Return Detail Data- BLACKROCK LIQUIDITY TEMPCASH (Dollar)</ShortName>
      <MenuCategory></MenuCategory>
      <Position>17</Position>
    </Report>
    <Report instance="d263790d485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>000341 - Disclosure - Risk/Return Detail Data {Elements} - BLACKROCK LIQUIDITY TEMPFUND (Dollar)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.blackrock.com/role/DisclosureRiskReturnDetailDataElementsBLACKROCKLIQUIDITYTEMPFUNDDollar</Role>
      <ShortName>Risk/Return Detail Data- BLACKROCK LIQUIDITY TEMPFUND (Dollar)</ShortName>
      <MenuCategory></MenuCategory>
      <Position>18</Position>
    </Report>
    <Report instance="d263790d485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>000361 - Disclosure - Risk/Return Detail Data {Elements} - BLACKROCK LIQUID FEDERAL TRUST FUND (Dollar)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.blackrock.com/role/DisclosureRiskReturnDetailDataElementsBLACKROCKLIQUIDFEDERALTRUSTFUNDDollar</Role>
      <ShortName>Risk/Return Detail Data- BLACKROCK LIQUID FEDERAL TRUST FUND (Dollar)</ShortName>
      <MenuCategory></MenuCategory>
      <Position>19</Position>
    </Report>
    <Report instance="d263790d485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>000381 - Disclosure - Risk/Return Detail Data {Elements} - BLACKROCK LIQUIDITY FEDFUND (Dollar)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.blackrock.com/role/DisclosureRiskReturnDetailDataElementsBLACKROCKLIQUIDITYFEDFUNDDollar</Role>
      <ShortName>Risk/Return Detail Data- BLACKROCK LIQUIDITY FEDFUND (Dollar)</ShortName>
      <MenuCategory></MenuCategory>
      <Position>20</Position>
    </Report>
    <Report instance="d263790d485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>000401 - Disclosure - Risk/Return Detail Data {Elements} - BLACKROCK LIQUIDITY T-FUND (Dollar)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.blackrock.com/role/DisclosureRiskReturnDetailDataElementsBLACKROCKLIQUIDITYTFUNDDollar</Role>
      <ShortName>Risk/Return Detail Data- BLACKROCK LIQUIDITY T-FUND (Dollar)</ShortName>
      <MenuCategory></MenuCategory>
      <Position>21</Position>
    </Report>
    <Report instance="d263790d485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>000421 - Disclosure - Risk/Return Detail Data {Elements} - BLACKROCK LIQUIDITY TREASURY TRUST FUND (Dollar)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.blackrock.com/role/DisclosureRiskReturnDetailDataElementsBLACKROCKLIQUIDITYTREASURYTRUSTFUNDDollar</Role>
      <ShortName>Risk/Return Detail Data- BLACKROCK LIQUIDITY TREASURY TRUST FUND (Dollar)</ShortName>
      <MenuCategory></MenuCategory>
      <Position>22</Position>
    </Report>
    <Report instance="d263790d485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>000441 - Disclosure - Risk/Return Detail Data {Elements} - BLACKROCK LIQUIDITY MUNICASH (Dollar)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.blackrock.com/role/DisclosureRiskReturnDetailDataElementsBLACKROCKLIQUIDITYMUNICASHDollar</Role>
      <ShortName>Risk/Return Detail Data- BLACKROCK LIQUIDITY MUNICASH (Dollar)</ShortName>
      <MenuCategory></MenuCategory>
      <Position>23</Position>
    </Report>
    <Report instance="d263790d485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>000461 - Disclosure - Risk/Return Detail Data {Elements} - BLACKROCK LIQUIDITY TEMPCASH (Institutional)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.blackrock.com/role/DisclosureRiskReturnDetailDataElementsBLACKROCKLIQUIDITYTEMPCASHInstitutional</Role>
      <ShortName>Risk/Return Detail Data- BLACKROCK LIQUIDITY TEMPCASH (Institutional)</ShortName>
      <MenuCategory></MenuCategory>
      <Position>24</Position>
    </Report>
    <Report instance="d263790d485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>000481 - Disclosure - Risk/Return Detail Data {Elements} - BLACKROCK LIQUIDITY TEMPFUND (Institutional)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.blackrock.com/role/DisclosureRiskReturnDetailDataElementsBLACKROCKLIQUIDITYTEMPFUNDInstitutional</Role>
      <ShortName>Risk/Return Detail Data- BLACKROCK LIQUIDITY TEMPFUND (Institutional)</ShortName>
      <MenuCategory></MenuCategory>
      <Position>25</Position>
    </Report>
    <Report instance="d263790d485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>000501 - Disclosure - Risk/Return Detail Data {Elements} - BLACKROCK LIQUID FEDERAL TRUST FUND (Institutional)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.blackrock.com/role/DisclosureRiskReturnDetailDataElementsBLACKROCKLIQUIDFEDERALTRUSTFUNDInstitutional</Role>
      <ShortName>Risk/Return Detail Data- BLACKROCK LIQUID FEDERAL TRUST FUND (Institutional)</ShortName>
      <MenuCategory></MenuCategory>
      <Position>26</Position>
    </Report>
    <Report instance="d263790d485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.htm</HtmlFileName>
      <LongName>000521 - Disclosure - Risk/Return Detail Data {Elements} - BLACKROCK LIQUIDITY FEDFUND (Institutional)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.blackrock.com/role/DisclosureRiskReturnDetailDataElementsBLACKROCKLIQUIDITYFEDFUNDInstitutional</Role>
      <ShortName>Risk/Return Detail Data- BLACKROCK LIQUIDITY FEDFUND (Institutional)</ShortName>
      <MenuCategory></MenuCategory>
      <Position>27</Position>
    </Report>
    <Report instance="d263790d485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>000541 - Disclosure - Risk/Return Detail Data {Elements} - BLACKROCK LIQUIDITY T-FUND (Institutional)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.blackrock.com/role/DisclosureRiskReturnDetailDataElementsBLACKROCKLIQUIDITYTFUNDInstitutional</Role>
      <ShortName>Risk/Return Detail Data- BLACKROCK LIQUIDITY T-FUND (Institutional)</ShortName>
      <MenuCategory></MenuCategory>
      <Position>28</Position>
    </Report>
    <Report instance="d263790d485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>000561 - Disclosure - Risk/Return Detail Data {Elements} - BLACKROCK LIQUIDITY TREASURY TRUST FUND (Institutional)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.blackrock.com/role/DisclosureRiskReturnDetailDataElementsBLACKROCKLIQUIDITYTREASURYTRUSTFUNDInstitutional</Role>
      <ShortName>Risk/Return Detail Data- BLACKROCK LIQUIDITY TREASURY TRUST FUND (Institutional)</ShortName>
      <MenuCategory></MenuCategory>
      <Position>29</Position>
    </Report>
    <Report instance="d263790d485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>000581 - Disclosure - Risk/Return Detail Data {Elements} - BLACKROCK LIQUIDITY CALIFORNIA MONEY FUND (Institutional)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.blackrock.com/role/DisclosureRiskReturnDetailDataElementsBLACKROCKLIQUIDITYCALIFORNIAMONEYFUNDInstitutional</Role>
      <ShortName>Risk/Return Detail Data- BLACKROCK LIQUIDITY CALIFORNIA MONEY FUND (Institutional)</ShortName>
      <MenuCategory></MenuCategory>
      <Position>30</Position>
    </Report>
    <Report instance="d263790d485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>000601 - Disclosure - Risk/Return Detail Data {Elements} - BLACKROCK LIQUIDITY MUNICASH (Institutional)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.blackrock.com/role/DisclosureRiskReturnDetailDataElementsBLACKROCKLIQUIDITYMUNICASHInstitutional</Role>
      <ShortName>Risk/Return Detail Data- BLACKROCK LIQUIDITY MUNICASH (Institutional)</ShortName>
      <MenuCategory></MenuCategory>
      <Position>31</Position>
    </Report>
    <Report instance="d263790d485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R32.htm</HtmlFileName>
      <LongName>000621 - Disclosure - Risk/Return Detail Data {Elements} - BLACKROCK LIQUIDITY NEW YORK MONEY FUND (Institutional)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.blackrock.com/role/DisclosureRiskReturnDetailDataElementsBLACKROCKLIQUIDITYNEWYORKMONEYFUNDInstitutional</Role>
      <ShortName>Risk/Return Detail Data- BLACKROCK LIQUIDITY NEW YORK MONEY FUND (Institutional)</ShortName>
      <MenuCategory></MenuCategory>
      <Position>32</Position>
    </Report>
    <Report instance="d263790d485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>000641 - Disclosure - Risk/Return Detail Data {Elements} - BLACKROCK LIQUIDITY TEMPCASH (Capital)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.blackrock.com/role/DisclosureRiskReturnDetailDataElementsBLACKROCKLIQUIDITYTEMPCASHCapital</Role>
      <ShortName>Risk/Return Detail Data- BLACKROCK LIQUIDITY TEMPCASH (Capital)</ShortName>
      <MenuCategory></MenuCategory>
      <Position>33</Position>
    </Report>
    <Report instance="d263790d485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R34.htm</HtmlFileName>
      <LongName>000661 - Disclosure - Risk/Return Detail Data {Elements} - BLACKROCK LIQUIDITY TEMPFUND (Capital)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.blackrock.com/role/DisclosureRiskReturnDetailDataElementsBLACKROCKLIQUIDITYTEMPFUNDCapital</Role>
      <ShortName>Risk/Return Detail Data- BLACKROCK LIQUIDITY TEMPFUND (Capital)</ShortName>
      <MenuCategory></MenuCategory>
      <Position>34</Position>
    </Report>
    <Report instance="d263790d485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R35.htm</HtmlFileName>
      <LongName>000681 - Disclosure - Risk/Return Detail Data {Elements} - BLACKROCK LIQUID FEDERAL TRUST FUND (Capital)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.blackrock.com/role/DisclosureRiskReturnDetailDataElementsBLACKROCKLIQUIDFEDERALTRUSTFUNDCapital</Role>
      <ShortName>Risk/Return Detail Data- BLACKROCK LIQUID FEDERAL TRUST FUND (Capital)</ShortName>
      <MenuCategory></MenuCategory>
      <Position>35</Position>
    </Report>
    <Report instance="d263790d485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R36.htm</HtmlFileName>
      <LongName>000701 - Disclosure - Risk/Return Detail Data {Elements} - BLACKROCK LIQUIDITY FEDFUND (Capital)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.blackrock.com/role/DisclosureRiskReturnDetailDataElementsBLACKROCKLIQUIDITYFEDFUNDCapital</Role>
      <ShortName>Risk/Return Detail Data- BLACKROCK LIQUIDITY FEDFUND (Capital)</ShortName>
      <MenuCategory></MenuCategory>
      <Position>36</Position>
    </Report>
    <Report instance="d263790d485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R37.htm</HtmlFileName>
      <LongName>000721 - Disclosure - Risk/Return Detail Data {Elements} - BLACKROCK LIQUIDITY T-FUND (Capital)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.blackrock.com/role/DisclosureRiskReturnDetailDataElementsBLACKROCKLIQUIDITYTFUNDCapital</Role>
      <ShortName>Risk/Return Detail Data- BLACKROCK LIQUIDITY T-FUND (Capital)</ShortName>
      <MenuCategory></MenuCategory>
      <Position>37</Position>
    </Report>
    <Report instance="d263790d485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R38.htm</HtmlFileName>
      <LongName>000741 - Disclosure - Risk/Return Detail Data {Elements} - BLACKROCK LIQUIDITY TREASURY TRUST FUND (Capital)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.blackrock.com/role/DisclosureRiskReturnDetailDataElementsBLACKROCKLIQUIDITYTREASURYTRUSTFUNDCapital</Role>
      <ShortName>Risk/Return Detail Data- BLACKROCK LIQUIDITY TREASURY TRUST FUND (Capital)</ShortName>
      <MenuCategory></MenuCategory>
      <Position>38</Position>
    </Report>
    <Report instance="d263790d485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R39.htm</HtmlFileName>
      <LongName>000761 - Disclosure - Risk/Return Detail Data {Elements} - BLACKROCK LIQUIDITY CALIFORNIA MONEY FUND (Capital)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.blackrock.com/role/DisclosureRiskReturnDetailDataElementsBLACKROCKLIQUIDITYCALIFORNIAMONEYFUNDCapital</Role>
      <ShortName>Risk/Return Detail Data- BLACKROCK LIQUIDITY CALIFORNIA MONEY FUND (Capital)</ShortName>
      <MenuCategory></MenuCategory>
      <Position>39</Position>
    </Report>
    <Report instance="d263790d485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R40.htm</HtmlFileName>
      <LongName>000781 - Disclosure - Risk/Return Detail Data {Elements} - BLACKROCK LIQUIDITY MUNICASH (Capital)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.blackrock.com/role/DisclosureRiskReturnDetailDataElementsBLACKROCKLIQUIDITYMUNICASHCapital</Role>
      <ShortName>Risk/Return Detail Data- BLACKROCK LIQUIDITY MUNICASH (Capital)</ShortName>
      <MenuCategory></MenuCategory>
      <Position>40</Position>
    </Report>
    <Report instance="d263790d485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R41.htm</HtmlFileName>
      <LongName>000801 - Disclosure - Risk/Return Detail Data {Elements} - BLACKROCK LIQUIDITY NEW YORK MONEY FUND (Capital)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.blackrock.com/role/DisclosureRiskReturnDetailDataElementsBLACKROCKLIQUIDITYNEWYORKMONEYFUNDCapital</Role>
      <ShortName>Risk/Return Detail Data- BLACKROCK LIQUIDITY NEW YORK MONEY FUND (Capital)</ShortName>
      <MenuCategory></MenuCategory>
      <Position>41</Position>
    </Report>
    <Report instance="d263790d485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R42.htm</HtmlFileName>
      <LongName>000821 - Disclosure - Risk/Return Detail Data {Elements} - BLACKROCK LIQUIDITY FEDFUND (Select)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.blackrock.com/role/DisclosureRiskReturnDetailDataElementsBLACKROCKLIQUIDITYFEDFUNDSelect</Role>
      <ShortName>Risk/Return Detail Data- BLACKROCK LIQUIDITY FEDFUND (Select)</ShortName>
      <MenuCategory></MenuCategory>
      <Position>42</Position>
    </Report>
    <Report instance="d263790d485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R43.htm</HtmlFileName>
      <LongName>000841 - Disclosure - Risk/Return Detail Data {Elements} - BLACKROCK LIQUIDITY T-FUND (Select)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.blackrock.com/role/DisclosureRiskReturnDetailDataElementsBLACKROCKLIQUIDITYTFUNDSelect</Role>
      <ShortName>Risk/Return Detail Data- BLACKROCK LIQUIDITY T-FUND (Select)</ShortName>
      <MenuCategory></MenuCategory>
      <Position>43</Position>
    </Report>
    <Report instance="d263790d485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R44.htm</HtmlFileName>
      <LongName>000861 - Disclosure - Risk/Return Detail Data {Elements} - BLACKROCK LIQUIDITY TREASURY TRUST FUND (Select)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.blackrock.com/role/DisclosureRiskReturnDetailDataElementsBLACKROCKLIQUIDITYTREASURYTRUSTFUNDSelect</Role>
      <ShortName>Risk/Return Detail Data- BLACKROCK LIQUIDITY TREASURY TRUST FUND (Select)</ShortName>
      <MenuCategory></MenuCategory>
      <Position>44</Position>
    </Report>
    <Report instance="d263790d485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R45.htm</HtmlFileName>
      <LongName>000881 - Disclosure - Risk/Return Detail Data {Elements} - BLACKROCK LIQUIDITY TEMPCASH (Premier)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.blackrock.com/role/DisclosureRiskReturnDetailDataElementsBLACKROCKLIQUIDITYTEMPCASHPremier</Role>
      <ShortName>Risk/Return Detail Data- BLACKROCK LIQUIDITY TEMPCASH (Premier)</ShortName>
      <MenuCategory></MenuCategory>
      <Position>45</Position>
    </Report>
    <Report instance="d263790d485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R46.htm</HtmlFileName>
      <LongName>000901 - Disclosure - Risk/Return Detail Data {Elements} - BLACKROCK LIQUIDITY FEDFUND (Premier)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.blackrock.com/role/DisclosureRiskReturnDetailDataElementsBLACKROCKLIQUIDITYFEDFUNDPremier</Role>
      <ShortName>Risk/Return Detail Data- BLACKROCK LIQUIDITY FEDFUND (Premier)</ShortName>
      <MenuCategory></MenuCategory>
      <Position>46</Position>
    </Report>
    <Report instance="d263790d485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R47.htm</HtmlFileName>
      <LongName>000921 - Disclosure - Risk/Return Detail Data {Elements} - BLACKROCK LIQUIDITY T-FUND (Premier)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.blackrock.com/role/DisclosureRiskReturnDetailDataElementsBLACKROCKLIQUIDITYTFUNDPremier</Role>
      <ShortName>Risk/Return Detail Data- BLACKROCK LIQUIDITY T-FUND (Premier)</ShortName>
      <MenuCategory></MenuCategory>
      <Position>47</Position>
    </Report>
    <Report instance="d263790d485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R48.htm</HtmlFileName>
      <LongName>000941 - Disclosure - Risk/Return Detail Data {Elements} - BLACKROCK LIQUIDITY TEMPFUND (Private Client)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.blackrock.com/role/DisclosureRiskReturnDetailDataElementsBLACKROCKLIQUIDITYTEMPFUNDPrivateClient</Role>
      <ShortName>Risk/Return Detail Data- BLACKROCK LIQUIDITY TEMPFUND (Private Client)</ShortName>
      <MenuCategory></MenuCategory>
      <Position>48</Position>
    </Report>
    <Report instance="d263790d485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R49.htm</HtmlFileName>
      <LongName>000961 - Disclosure - Risk/Return Detail Data {Elements} - BLACKROCK LIQUIDITY FEDFUND (Private Client)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.blackrock.com/role/DisclosureRiskReturnDetailDataElementsBLACKROCKLIQUIDITYFEDFUNDPrivateClient</Role>
      <ShortName>Risk/Return Detail Data- BLACKROCK LIQUIDITY FEDFUND (Private Client)</ShortName>
      <MenuCategory></MenuCategory>
      <Position>49</Position>
    </Report>
    <Report instance="d263790d485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R50.htm</HtmlFileName>
      <LongName>000981 - Disclosure - Risk/Return Detail Data {Elements} - BLACKROCK LIQUID FEDERAL TRUST FUND (Bancroft Capital)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.blackrock.com/role/DisclosureRiskReturnDetailDataElementsBLACKROCKLIQUIDFEDERALTRUSTFUNDBancroftCapital</Role>
      <ShortName>Risk/Return Detail Data- BLACKROCK LIQUID FEDERAL TRUST FUND (Bancroft Capital)</ShortName>
      <MenuCategory></MenuCategory>
      <Position>50</Position>
    </Report>
    <Report instance="d263790d485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R51.htm</HtmlFileName>
      <LongName>001001 - Disclosure - Risk/Return Detail Data {Elements} - BLACKROCK LIQUIDITY TEMPFUND (Cabrera Capital Markets)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.blackrock.com/role/DisclosureRiskReturnDetailDataElementsBLACKROCKLIQUIDITYTEMPFUNDCabreraCapitalMarkets</Role>
      <ShortName>Risk/Return Detail Data- BLACKROCK LIQUIDITY TEMPFUND (Cabrera Capital Markets)</ShortName>
      <MenuCategory></MenuCategory>
      <Position>51</Position>
    </Report>
    <Report instance="d263790d485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R52.htm</HtmlFileName>
      <LongName>001021 - Disclosure - Risk/Return Detail Data {Elements} - BLACKROCK LIQUID FEDERAL TRUST FUND (Cabrera Capital Markets)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.blackrock.com/role/DisclosureRiskReturnDetailDataElementsBLACKROCKLIQUIDFEDERALTRUSTFUNDCabreraCapitalMarkets</Role>
      <ShortName>Risk/Return Detail Data- BLACKROCK LIQUID FEDERAL TRUST FUND (Cabrera Capital Markets)</ShortName>
      <MenuCategory></MenuCategory>
      <Position>52</Position>
    </Report>
    <Report instance="d263790d485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R53.htm</HtmlFileName>
      <LongName>001041 - Disclosure - Risk/Return Detail Data {Elements} - BLACKROCK LIQUID FEDERAL TRUST FUND (Mischler Financial Group)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.blackrock.com/role/DisclosureRiskReturnDetailDataElementsBLACKROCKLIQUIDFEDERALTRUSTFUNDMischlerFinancialGroup</Role>
      <ShortName>Risk/Return Detail Data- BLACKROCK LIQUID FEDERAL TRUST FUND (Mischler Financial Group)</ShortName>
      <MenuCategory></MenuCategory>
      <Position>53</Position>
    </Report>
    <Report instance="d263790d485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R54.htm</HtmlFileName>
      <LongName>001061 - Disclosure - Risk/Return Detail Data {Elements} - BLACKROCK LIQUIDITY FEDFUND (Mischler Financial Group)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.blackrock.com/role/DisclosureRiskReturnDetailDataElementsBLACKROCKLIQUIDITYFEDFUNDMischlerFinancialGroup</Role>
      <ShortName>Risk/Return Detail Data- BLACKROCK LIQUIDITY FEDFUND (Mischler Financial Group)</ShortName>
      <MenuCategory></MenuCategory>
      <Position>54</Position>
    </Report>
    <Report instance="d263790d485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R55.htm</HtmlFileName>
      <LongName>001081 - Disclosure - Risk/Return Detail Data {Elements} - BLACKROCK LIQUID FEDERAL TRUST FUND (Penserra)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.blackrock.com/role/DisclosureRiskReturnDetailDataElementsBLACKROCKLIQUIDFEDERALTRUSTFUNDPenserra</Role>
      <ShortName>Risk/Return Detail Data- BLACKROCK LIQUID FEDERAL TRUST FUND (Penserra)</ShortName>
      <MenuCategory></MenuCategory>
      <Position>55</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" original="d263790d485bpos.htm">d263790d485bpos.htm</File>
    <File>brlf-20220225.xsd</File>
    <File>brlf-20220225_cal.xml</File>
    <File>brlf-20220225_def.xml</File>
    <File>brlf-20220225_lab.xml</File>
    <File>brlf-20220225_pre.xml</File>
    <File>d263790dex99j.htm</File>
  </InputFiles>
  <SupplementalFiles>
    <File>g263790g00a01.jpg</File>
    <File>g263790g10g32n40.jpg</File>
    <File>g263790g10g56p99.jpg</File>
    <File>g263790g10g88m40.jpg</File>
    <File>g263790g11g41n14.jpg</File>
    <File>g263790g11g56p99.jpg</File>
    <File>g263790g11g65b40.jpg</File>
    <File>g263790g11gsp11.jpg</File>
    <File>g263790g11gsp6br.jpg</File>
    <File>g263790g12g41k14.jpg</File>
    <File>g263790g12g56p99.jpg</File>
    <File>g263790g12g63e99.jpg</File>
    <File>g263790g12g98e77.jpg</File>
    <File>g263790g1g04w32.jpg</File>
    <File>g263790g1g31w51.jpg</File>
    <File>g263790g1g40u61.jpg</File>
    <File>g263790g1g56p99.jpg</File>
    <File>g263790g1g84l22.jpg</File>
    <File>g263790g1g96d97.jpg</File>
    <File>g263790g2g05e63.jpg</File>
    <File>g263790g2g13w97.jpg</File>
    <File>g263790g2g56p99.jpg</File>
    <File>g263790g2g64p05.jpg</File>
    <File>g263790g2g72x01.jpg</File>
    <File>g263790g2g80e18.jpg</File>
    <File>g263790g3g40t76.jpg</File>
    <File>g263790g3g56p99.jpg</File>
    <File>g263790g3g60x68.jpg</File>
    <File>g263790g3g65r56.jpg</File>
    <File>g263790g3g80n68.jpg</File>
    <File>g263790g3g85e85.jpg</File>
    <File>g263790g4g04y71.jpg</File>
    <File>g263790g4g44e27.jpg</File>
    <File>g263790g4g44v36.jpg</File>
    <File>g263790g4g56p99.jpg</File>
    <File>g263790g4g60j20.jpg</File>
    <File>g263790g4g77g68.jpg</File>
    <File>g263790g4g95x86.jpg</File>
    <File>g263790g4g96t22.jpg</File>
    <File>g263790g50d50.jpg</File>
    <File>g263790g56p99.jpg</File>
    <File>g263790g5g00x67.jpg</File>
    <File>g263790g5g14w72.jpg</File>
    <File>g263790g5g15o02.jpg</File>
    <File>g263790g5g34r81.jpg</File>
    <File>g263790g5g45k86.jpg</File>
    <File>g263790g5g56p99.jpg</File>
    <File>g263790g5g61d29.jpg</File>
    <File>g263790g5g63s30.jpg</File>
    <File>g263790g5g82t24.jpg</File>
    <File>g263790g5g91n89.jpg</File>
    <File>g263790g6g00p22.jpg</File>
    <File>g263790g6g01r27.jpg</File>
    <File>g263790g6g20k33.jpg</File>
    <File>g263790g6g26o09.jpg</File>
    <File>g263790g6g28_57.jpg</File>
    <File>g263790g6g32n87.jpg</File>
    <File>g263790g6g47i74.jpg</File>
    <File>g263790g6g56p99.jpg</File>
    <File>g263790g6g77y35.jpg</File>
    <File>g263790g6g99v00.jpg</File>
    <File>g263790g72w94.jpg</File>
    <File>g263790g7g30n92.jpg</File>
    <File>g263790g7g56p99.jpg</File>
    <File>g263790g7g63l59.jpg</File>
    <File>g263790g7g66a30.jpg</File>
    <File>g263790g8g31w51.jpg</File>
    <File>g263790g8g56p99.jpg</File>
    <File>g263790g8g63c76.jpg</File>
    <File>g263790g8g84l22.jpg</File>
    <File>g263790g9g56p99.jpg</File>
    <File>g263790g9g85_17.jpg</File>
    <File>g263790g9g87n30.jpg</File>
  </SupplementalFiles>
  <BaseTaxonomies>
    <BaseTaxonomy items="8">http://xbrl.sec.gov/dei/2021</BaseTaxonomy>
    <BaseTaxonomy items="3184">http://xbrl.sec.gov/rr/2021</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
