<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.24.2.u1</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>1669</ContextCount>
  <ElementCount>551</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>true</FootnotesReported>
  <SegmentCount>215</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>12</UnitCount>
  <MyReports>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>0000001 - Document - Cover</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/Cover</Role>
      <ShortName>Cover</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>9952151 - Statement - Consolidated Balance Sheets</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/ConsolidatedBalanceSheets</Role>
      <ShortName>Consolidated Balance Sheets</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>2</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>9952152 - Statement - Consolidated Balance Sheets (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/ConsolidatedBalanceSheetsParenthetical</Role>
      <ShortName>Consolidated Balance Sheets (Parenthetical)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>3</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>9952153 - Statement - Consolidated Statements of Income (Loss)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/ConsolidatedStatementsofIncomeLoss</Role>
      <ShortName>Consolidated Statements of Income (Loss)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>4</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>9952154 - Statement - Consolidated Statements of Comprehensive Income (Loss)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/ConsolidatedStatementsofComprehensiveIncomeLoss</Role>
      <ShortName>Consolidated Statements of Comprehensive Income (Loss)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>5</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>9952155 - Statement - Consolidated Statements of Equity</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/ConsolidatedStatementsofEquity</Role>
      <ShortName>Consolidated Statements of Equity</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>6</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>9952156 - Statement - Consolidated Statements of Cash Flows</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/ConsolidatedStatementsofCashFlows</Role>
      <ShortName>Consolidated Statements of Cash Flows</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>7</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>9952157 - Disclosure - ORGANIZATION</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/ORGANIZATION</Role>
      <ShortName>ORGANIZATION</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>8</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>9952158 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/SIGNIFICANTACCOUNTINGPOLICIES</Role>
      <ShortName>SIGNIFICANT ACCOUNTING POLICIES</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>9</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>9952159 - Disclosure - INVESTMENTS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/INVESTMENTS</Role>
      <ShortName>INVESTMENTS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>10</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>9952160 - Disclosure - DERIVATIVES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/DERIVATIVES</Role>
      <ShortName>DERIVATIVES</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>11</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>9952161 - Disclosure - CLOSED BLOCK</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/CLOSEDBLOCK</Role>
      <ShortName>CLOSED BLOCK</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>12</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>9952162 - Disclosure - DAC AND OTHER DEFERRED ASSETS/LIABILITIES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/DACANDOTHERDEFERREDASSETSLIABILITIES</Role>
      <ShortName>DAC AND OTHER DEFERRED ASSETS/LIABILITIES</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>13</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>9952163 - Disclosure - FAIR VALUE DISCLOSURES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/FAIRVALUEDISCLOSURES</Role>
      <ShortName>FAIR VALUE DISCLOSURES</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>14</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>9952164 - Disclosure - LIABILITIES FOR FUTURE POLICYHOLDER BENEFITS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/LIABILITIESFORFUTUREPOLICYHOLDERBENEFITS</Role>
      <ShortName>LIABILITIES FOR FUTURE POLICYHOLDER BENEFITS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>15</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>9952165 - Disclosure - MARKET RISK BENEFITS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/MARKETRISKBENEFITS</Role>
      <ShortName>MARKET RISK BENEFITS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>16</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>9952166 - Disclosure - POLICYHOLDER ACCOUNT BALANCES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/POLICYHOLDERACCOUNTBALANCES</Role>
      <ShortName>POLICYHOLDER ACCOUNT BALANCES</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>17</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>9952167 - Disclosure - INCOME TAXES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/INCOMETAXES</Role>
      <ShortName>INCOME TAXES</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>18</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>9952168 - Disclosure - RELATED PARTY TRANSACTIONS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/RELATEDPARTYTRANSACTIONS</Role>
      <ShortName>RELATED PARTY TRANSACTIONS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>19</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>9952169 - Disclosure - EQUITY</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/EQUITY</Role>
      <ShortName>EQUITY</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>20</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>9952170 - Disclosure - REDEEMABLE NONCONTROLLING INTEREST</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/REDEEMABLENONCONTROLLINGINTEREST</Role>
      <ShortName>REDEEMABLE NONCONTROLLING INTEREST</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>21</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>9952171 - Disclosure - COMMITMENTS AND CONTINGENT LIABILITIES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/COMMITMENTSANDCONTINGENTLIABILITIES</Role>
      <ShortName>COMMITMENTS AND CONTINGENT LIABILITIES</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>22</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>9952172 - Disclosure - INSURANCE STATUTORY FINANCIAL INFORMATION</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/INSURANCESTATUTORYFINANCIALINFORMATION</Role>
      <ShortName>INSURANCE STATUTORY FINANCIAL INFORMATION</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>23</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>9952173 - Disclosure - REINSURANCE</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/REINSURANCE</Role>
      <ShortName>REINSURANCE</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>24</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>995410 - Disclosure - Pay vs Performance Disclosure</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://xbrl.sec.gov/ecd/role/PvpDisclosure</Role>
      <ShortName>Pay vs Performance Disclosure</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>25</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>995445 - Disclosure - Insider Trading Arrangements</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements</Role>
      <ShortName>Insider Trading Arrangements</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>26</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.htm</HtmlFileName>
      <LongName>9954471 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/SIGNIFICANTACCOUNTINGPOLICIESPolicies</Role>
      <ShortName>SIGNIFICANT ACCOUNTING POLICIES (Policies)</ShortName>
      <MenuCategory>Policies</MenuCategory>
      <Position>27</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>9954472 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/SIGNIFICANTACCOUNTINGPOLICIESTables</Role>
      <ShortName>SIGNIFICANT ACCOUNTING POLICIES (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.equitable.com/role/SIGNIFICANTACCOUNTINGPOLICIES</ParentRole>
      <Position>28</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>9954473 - Disclosure - INVESTMENTS (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/INVESTMENTSTables</Role>
      <ShortName>INVESTMENTS (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.equitable.com/role/INVESTMENTS</ParentRole>
      <Position>29</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>9954474 - Disclosure - DERIVATIVES (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/DERIVATIVESTables</Role>
      <ShortName>DERIVATIVES (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.equitable.com/role/DERIVATIVES</ParentRole>
      <Position>30</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>9954475 - Disclosure - CLOSED BLOCK (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/CLOSEDBLOCKTables</Role>
      <ShortName>CLOSED BLOCK (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.equitable.com/role/CLOSEDBLOCK</ParentRole>
      <Position>31</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R32.htm</HtmlFileName>
      <LongName>9954476 - Disclosure - DAC AND OTHER DEFERRED ASSETS/LIABILITIES (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/DACANDOTHERDEFERREDASSETSLIABILITIESTables</Role>
      <ShortName>DAC AND OTHER DEFERRED ASSETS/LIABILITIES (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.equitable.com/role/DACANDOTHERDEFERREDASSETSLIABILITIES</ParentRole>
      <Position>32</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>9954477 - Disclosure - FAIR VALUE DISCLOSURES (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/FAIRVALUEDISCLOSURESTables</Role>
      <ShortName>FAIR VALUE DISCLOSURES (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.equitable.com/role/FAIRVALUEDISCLOSURES</ParentRole>
      <Position>33</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R34.htm</HtmlFileName>
      <LongName>9954478 - Disclosure - LIABILITIES FOR FUTURE POLICYHOLDER BENEFITS (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/LIABILITIESFORFUTUREPOLICYHOLDERBENEFITSTables</Role>
      <ShortName>LIABILITIES FOR FUTURE POLICYHOLDER BENEFITS (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.equitable.com/role/LIABILITIESFORFUTUREPOLICYHOLDERBENEFITS</ParentRole>
      <Position>34</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R35.htm</HtmlFileName>
      <LongName>9954479 - Disclosure - MARKET RISK BENEFITS (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/MARKETRISKBENEFITSTables</Role>
      <ShortName>MARKET RISK BENEFITS (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.equitable.com/role/MARKETRISKBENEFITS</ParentRole>
      <Position>35</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R36.htm</HtmlFileName>
      <LongName>9954480 - Disclosure - POLICYHOLDER ACCOUNT BALANCES (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/POLICYHOLDERACCOUNTBALANCESTables</Role>
      <ShortName>POLICYHOLDER ACCOUNT BALANCES (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.equitable.com/role/POLICYHOLDERACCOUNTBALANCES</ParentRole>
      <Position>36</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R37.htm</HtmlFileName>
      <LongName>9954481 - Disclosure - EQUITY (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/EQUITYTables</Role>
      <ShortName>EQUITY (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.equitable.com/role/EQUITY</ParentRole>
      <Position>37</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R38.htm</HtmlFileName>
      <LongName>9954482 - Disclosure - REDEEMABLE NONCONTROLLING INTEREST (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/REDEEMABLENONCONTROLLINGINTERESTTables</Role>
      <ShortName>REDEEMABLE NONCONTROLLING INTEREST (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.equitable.com/role/REDEEMABLENONCONTROLLINGINTEREST</ParentRole>
      <Position>38</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R39.htm</HtmlFileName>
      <LongName>9954483 - Disclosure - COMMITMENTS AND CONTINGENT LIABILITIES (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/COMMITMENTSANDCONTINGENTLIABILITIESTables</Role>
      <ShortName>COMMITMENTS AND CONTINGENT LIABILITIES (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.equitable.com/role/COMMITMENTSANDCONTINGENTLIABILITIES</ParentRole>
      <Position>39</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R40.htm</HtmlFileName>
      <LongName>9954484 - Disclosure - REINSURANCE (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/REINSURANCETables</Role>
      <ShortName>REINSURANCE (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.equitable.com/role/REINSURANCE</ParentRole>
      <Position>40</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R41.htm</HtmlFileName>
      <LongName>9954485 - Disclosure - ORGANIZATION (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/ORGANIZATIONDetails</Role>
      <ShortName>ORGANIZATION (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.equitable.com/role/ORGANIZATION</ParentRole>
      <Position>41</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R42.htm</HtmlFileName>
      <LongName>9954486 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/SIGNIFICANTACCOUNTINGPOLICIESDetails</Role>
      <ShortName>SIGNIFICANT ACCOUNTING POLICIES (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.equitable.com/role/SIGNIFICANTACCOUNTINGPOLICIESTables</ParentRole>
      <Position>42</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R43.htm</HtmlFileName>
      <LongName>9954487 - Disclosure - INVESTMENTS - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/INVESTMENTSNarrativeDetails</Role>
      <ShortName>INVESTMENTS - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>43</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R44.htm</HtmlFileName>
      <LongName>9954488 - Disclosure - INVESTMENTS - Available-for-sale Securities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/INVESTMENTSAvailableforsaleSecuritiesDetails</Role>
      <ShortName>INVESTMENTS - Available-for-sale Securities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>44</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R45.htm</HtmlFileName>
      <LongName>9954489 - Disclosure - INVESTMENTS - Net Unrealized Gains (Losses) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/INVESTMENTSNetUnrealizedGainsLossesDetails</Role>
      <ShortName>INVESTMENTS - Net Unrealized Gains (Losses) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>45</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R46.htm</HtmlFileName>
      <LongName>9954490 - Disclosure - INVESTMENTS - Fixed Maturities Available-for-sale (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/INVESTMENTSFixedMaturitiesAvailableforsaleDetails</Role>
      <ShortName>INVESTMENTS - Fixed Maturities Available-for-sale (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>46</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R47.htm</HtmlFileName>
      <LongName>9954491 - Disclosure - INVESTMENTS - Mortgage Loans (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/INVESTMENTSMortgageLoansDetails</Role>
      <ShortName>INVESTMENTS - Mortgage Loans (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>47</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R48.htm</HtmlFileName>
      <LongName>9954492 - Disclosure - INVESTMENTS - Credit Quality (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/INVESTMENTSCreditQualityDetails</Role>
      <ShortName>INVESTMENTS - Credit Quality (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>48</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R49.htm</HtmlFileName>
      <LongName>9954493 - Disclosure - INVESTMENTS - Amortized Cost of Loans by Credit Quality Indicator and Origination Year (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/INVESTMENTSAmortizedCostofLoansbyCreditQualityIndicatorandOriginationYearDetails</Role>
      <ShortName>INVESTMENTS - Amortized Cost of Loans by Credit Quality Indicator and Origination Year (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>49</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R50.htm</HtmlFileName>
      <LongName>9954494 - Disclosure - INVESTMENTS - Equity Securities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/INVESTMENTSEquitySecuritiesDetails</Role>
      <ShortName>INVESTMENTS - Equity Securities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>50</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R51.htm</HtmlFileName>
      <LongName>9954495 - Disclosure - INVESTMENTS - Trading Securities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/INVESTMENTSTradingSecuritiesDetails</Role>
      <ShortName>INVESTMENTS - Trading Securities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>51</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R52.htm</HtmlFileName>
      <LongName>9954496 - Disclosure - INVESTMENTS - Net Investment Income (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/INVESTMENTSNetInvestmentIncomeDetails</Role>
      <ShortName>INVESTMENTS - Net Investment Income (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>52</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R53.htm</HtmlFileName>
      <LongName>9954497 - Disclosure - INVESTMENTS - Investment Gains (Losses), Net (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/INVESTMENTSInvestmentGainsLossesNetDetails</Role>
      <ShortName>INVESTMENTS - Investment Gains (Losses), Net (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>53</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R54.htm</HtmlFileName>
      <LongName>9954498 - Disclosure - DERIVATIVES - Derivatives by Category (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/DERIVATIVESDerivativesbyCategoryDetails</Role>
      <ShortName>DERIVATIVES - Derivatives by Category (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>54</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R55.htm</HtmlFileName>
      <LongName>9954499 - Disclosure - DERIVATIVES - Financial Statement Impact of Derivatives By Category (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/DERIVATIVESFinancialStatementImpactofDerivativesByCategoryDetails</Role>
      <ShortName>DERIVATIVES - Financial Statement Impact of Derivatives By Category (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>55</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R56.htm</HtmlFileName>
      <LongName>9954500 - Disclosure - DERIVATIVES - Rollforward for Cash Flows Hedges in AOCI (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/DERIVATIVESRollforwardforCashFlowsHedgesinAOCIDetails</Role>
      <ShortName>DERIVATIVES - Rollforward for Cash Flows Hedges in AOCI (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>56</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R57.htm</HtmlFileName>
      <LongName>9954501 - Disclosure - DERIVATIVES - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/DERIVATIVESNarrativeDetails</Role>
      <ShortName>DERIVATIVES - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>57</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R58.htm</HtmlFileName>
      <LongName>9954502 - Disclosure - DERIVATIVES - Offsetting of Financial Assets and Liabilities and Derivative Instruments (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/DERIVATIVESOffsettingofFinancialAssetsandLiabilitiesandDerivativeInstrumentsDetails</Role>
      <ShortName>DERIVATIVES - Offsetting of Financial Assets and Liabilities and Derivative Instruments (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>58</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R59.htm</HtmlFileName>
      <LongName>9954503 - Disclosure - CLOSED BLOCK - Summarized Financial Information for Closed Block (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/CLOSEDBLOCKSummarizedFinancialInformationforClosedBlockDetails</Role>
      <ShortName>CLOSED BLOCK - Summarized Financial Information for Closed Block (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>59</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R60.htm</HtmlFileName>
      <LongName>9954504 - Disclosure - CLOSED BLOCK - Revenues and Expenses (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/CLOSEDBLOCKRevenuesandExpensesDetails</Role>
      <ShortName>CLOSED BLOCK - Revenues and Expenses (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>60</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R61.htm</HtmlFileName>
      <LongName>9954505 - Disclosure - DAC AND OTHER DEFERRED ASSETS/LIABILITIES - Reconciliation of DAC (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/DACANDOTHERDEFERREDASSETSLIABILITIESReconciliationofDACDetails</Role>
      <ShortName>DAC AND OTHER DEFERRED ASSETS/LIABILITIES - Reconciliation of DAC (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>61</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R62.htm</HtmlFileName>
      <LongName>9954506 - Disclosure - DAC AND OTHER DEFERRED ASSETS/LIABILITIES - DAC Costs (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/DACANDOTHERDEFERREDASSETSLIABILITIESDACCostsDetails</Role>
      <ShortName>DAC AND OTHER DEFERRED ASSETS/LIABILITIES - DAC Costs (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>62</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R63.htm</HtmlFileName>
      <LongName>9954507 - Disclosure - DAC AND OTHER DEFERRED ASSETS/LIABILITIES - DAC Credits (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/DACANDOTHERDEFERREDASSETSLIABILITIESDACCreditsDetails</Role>
      <ShortName>DAC AND OTHER DEFERRED ASSETS/LIABILITIES - DAC Credits (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>63</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R64.htm</HtmlFileName>
      <LongName>9954508 - Disclosure - FAIR VALUE DISCLOSURES - Schedules Of Assets And Liabilities Measured On Recurring Basis (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/FAIRVALUEDISCLOSURESSchedulesOfAssetsAndLiabilitiesMeasuredOnRecurringBasisDetails</Role>
      <ShortName>FAIR VALUE DISCLOSURES - Schedules Of Assets And Liabilities Measured On Recurring Basis (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>64</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R65.htm</HtmlFileName>
      <LongName>9954509 - Disclosure - FAIR VALUE DISCLOSURES - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/FAIRVALUEDISCLOSURESNarrativeDetails</Role>
      <ShortName>FAIR VALUE DISCLOSURES - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>65</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R66.htm</HtmlFileName>
      <LongName>9954510 - Disclosure - FAIR VALUE DISCLOSURES - Fair Value Measurement Reconciliation For All Levels (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/FAIRVALUEDISCLOSURESFairValueMeasurementReconciliationForAllLevelsDetails</Role>
      <ShortName>FAIR VALUE DISCLOSURES - Fair Value Measurement Reconciliation For All Levels (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>66</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R67.htm</HtmlFileName>
      <LongName>9954511 - Disclosure - FAIR VALUE DISCLOSURES - Quantitative Information About Level 3 (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/FAIRVALUEDISCLOSURESQuantitativeInformationAboutLevel3Details</Role>
      <ShortName>FAIR VALUE DISCLOSURES - Quantitative Information About Level 3 (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>67</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R68.htm</HtmlFileName>
      <LongName>9954512 - Disclosure - FAIR VALUE DISCLOSURES - Carrying Values And Fair Values Of Financial Instruments (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/FAIRVALUEDISCLOSURESCarryingValuesAndFairValuesOfFinancialInstrumentsDetails</Role>
      <ShortName>FAIR VALUE DISCLOSURES - Carrying Values And Fair Values Of Financial Instruments (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>68</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R69.htm</HtmlFileName>
      <LongName>9954513 - Disclosure - LIABILITIES FOR FUTURE POLICYHOLDER BENEFITS - Policyholder Account Balance And Liability For Unpaid Claims And Claims Adjustment Expense (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/LIABILITIESFORFUTUREPOLICYHOLDERBENEFITSPolicyholderAccountBalanceAndLiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseDetails</Role>
      <ShortName>LIABILITIES FOR FUTURE POLICYHOLDER BENEFITS - Policyholder Account Balance And Liability For Unpaid Claims And Claims Adjustment Expense (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>69</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R70.htm</HtmlFileName>
      <LongName>9954514 - Disclosure - LIABILITIES FOR FUTURE POLICYHOLDER BENEFITS - Policyholder Account Balance (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/LIABILITIESFORFUTUREPOLICYHOLDERBENEFITSPolicyholderAccountBalanceDetails</Role>
      <ShortName>LIABILITIES FOR FUTURE POLICYHOLDER BENEFITS - Policyholder Account Balance (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>70</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R71.htm</HtmlFileName>
      <LongName>9954515 - Disclosure - LIABILITIES FOR FUTURE POLICYHOLDER BENEFITS - Schedule of Liability for Future Policy Benefits, Undiscounted and Discounted Expected Gross Premiums and Expected Future Benefits and Expenses (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/LIABILITIESFORFUTUREPOLICYHOLDERBENEFITSScheduleofLiabilityforFuturePolicyBenefitsUndiscountedandDiscountedExpectedGrossPremiumsandExpectedFutureBenefitsandExpensesDetails</Role>
      <ShortName>LIABILITIES FOR FUTURE POLICYHOLDER BENEFITS - Schedule of Liability for Future Policy Benefits, Undiscounted and Discounted Expected Gross Premiums and Expected Future Benefits and Expenses (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>71</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R72.htm</HtmlFileName>
      <LongName>9954516 - Disclosure - LIABILITIES FOR FUTURE POLICYHOLDER BENEFITS - Schedule of Liability for Future Policy Benefits, Revenue and Interest Accretion (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/LIABILITIESFORFUTUREPOLICYHOLDERBENEFITSScheduleofLiabilityforFuturePolicyBenefitsRevenueandInterestAccretionDetails</Role>
      <ShortName>LIABILITIES FOR FUTURE POLICYHOLDER BENEFITS - Schedule of Liability for Future Policy Benefits, Revenue and Interest Accretion (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>72</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R73.htm</HtmlFileName>
      <LongName>9954517 - Disclosure - LIABILITIES FOR FUTURE POLICYHOLDER BENEFITS - Schedule of Liability for Future Policy Benefits, Weighted Average Interest Rates (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/LIABILITIESFORFUTUREPOLICYHOLDERBENEFITSScheduleofLiabilityforFuturePolicyBenefitsWeightedAverageInterestRatesDetails</Role>
      <ShortName>LIABILITIES FOR FUTURE POLICYHOLDER BENEFITS - Schedule of Liability for Future Policy Benefits, Weighted Average Interest Rates (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>73</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R74.htm</HtmlFileName>
      <LongName>9954518 - Disclosure - LIABILITIES FOR FUTURE POLICYHOLDER BENEFITS -Schedule of Balances of and Changes in Additional Liabilities Related to Insurance Guarantees (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/LIABILITIESFORFUTUREPOLICYHOLDERBENEFITSScheduleofBalancesofandChangesinAdditionalLiabilitiesRelatedtoInsuranceGuaranteesDetails</Role>
      <ShortName>LIABILITIES FOR FUTURE POLICYHOLDER BENEFITS -Schedule of Balances of and Changes in Additional Liabilities Related to Insurance Guarantees (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>74</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R75.htm</HtmlFileName>
      <LongName>9954519 - Disclosure - MARKET RISK BENEFITS - Changes in the Market Risk Benefits for Deferred Variable Annuities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/MARKETRISKBENEFITSChangesintheMarketRiskBenefitsforDeferredVariableAnnuitiesDetails</Role>
      <ShortName>MARKET RISK BENEFITS - Changes in the Market Risk Benefits for Deferred Variable Annuities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>75</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R76.htm</HtmlFileName>
      <LongName>9954520 - Disclosure - MARKET RISK BENEFITS - Reconciles Market Risk Benefits (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/MARKETRISKBENEFITSReconcilesMarketRiskBenefitsDetails</Role>
      <ShortName>MARKET RISK BENEFITS - Reconciles Market Risk Benefits (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>76</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R77.htm</HtmlFileName>
      <LongName>9954521 - Disclosure - POLICYHOLDER ACCOUNT BALANCES - Reconciliation of Policyholders Account Balances to Policyholders' Account Balance Liability (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/POLICYHOLDERACCOUNTBALANCESReconciliationofPolicyholdersAccountBalancestoPolicyholdersAccountBalanceLiabilityDetails</Role>
      <ShortName>POLICYHOLDER ACCOUNT BALANCES - Reconciliation of Policyholders Account Balances to Policyholders' Account Balance Liability (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>77</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R78.htm</HtmlFileName>
      <LongName>9954522 - Disclosure - POLICYHOLDER ACCOUNT BALANCES - Balances and Changes in Policyholders' Account Balances (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/POLICYHOLDERACCOUNTBALANCESBalancesandChangesinPolicyholdersAccountBalancesDetails</Role>
      <ShortName>POLICYHOLDER ACCOUNT BALANCES - Balances and Changes in Policyholders' Account Balances (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>78</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R79.htm</HtmlFileName>
      <LongName>9954523 - Disclosure - POLICYHOLDER ACCOUNT BALANCES - Guaranteed Minimum Interest Rates (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/POLICYHOLDERACCOUNTBALANCESGuaranteedMinimumInterestRatesDetails</Role>
      <ShortName>POLICYHOLDER ACCOUNT BALANCES - Guaranteed Minimum Interest Rates (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>79</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R80.htm</HtmlFileName>
      <LongName>9954524 - Disclosure - POLICYHOLDER ACCOUNT BALANCES - Reconciliation of Separate Account Liabilities to Separate Account Liability Balance (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/POLICYHOLDERACCOUNTBALANCESReconciliationofSeparateAccountLiabilitiestoSeparateAccountLiabilityBalanceDetails</Role>
      <ShortName>POLICYHOLDER ACCOUNT BALANCES - Reconciliation of Separate Account Liabilities to Separate Account Liability Balance (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>80</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R81.htm</HtmlFileName>
      <LongName>9954525 - Disclosure - POLICYHOLDER ACCOUNT BALANCES - Balances and Changes in Separate Accounts Liability (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/POLICYHOLDERACCOUNTBALANCESBalancesandChangesinSeparateAccountsLiabilityDetails</Role>
      <ShortName>POLICYHOLDER ACCOUNT BALANCES - Balances and Changes in Separate Accounts Liability (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>81</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R82.htm</HtmlFileName>
      <LongName>9954526 - Disclosure - POLICYHOLDER ACCOUNT BALANCES - Aggregate Fair Value of Separate Account Assets (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/POLICYHOLDERACCOUNTBALANCESAggregateFairValueofSeparateAccountAssetsDetails</Role>
      <ShortName>POLICYHOLDER ACCOUNT BALANCES - Aggregate Fair Value of Separate Account Assets (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>82</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R83.htm</HtmlFileName>
      <LongName>9954527 - Disclosure - INCOME TAXES (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/INCOMETAXESDetails</Role>
      <ShortName>INCOME TAXES (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.equitable.com/role/INCOMETAXES</ParentRole>
      <Position>83</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R84.htm</HtmlFileName>
      <LongName>9954528 - Disclosure - EQUITY - Cumulative Gains (Losses) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/EQUITYCumulativeGainsLossesDetails</Role>
      <ShortName>EQUITY - Cumulative Gains (Losses) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>84</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R85.htm</HtmlFileName>
      <LongName>9954529 - Disclosure - EQUITY - Changes in AOCI (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/EQUITYChangesinAOCIDetails</Role>
      <ShortName>EQUITY - Changes in AOCI (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>85</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R86.htm</HtmlFileName>
      <LongName>9954530 - Disclosure - REDEEMABLE NONCONTROLLING INTEREST (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/REDEEMABLENONCONTROLLINGINTERESTDetails</Role>
      <ShortName>REDEEMABLE NONCONTROLLING INTEREST (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.equitable.com/role/REDEEMABLENONCONTROLLINGINTERESTTables</ParentRole>
      <Position>86</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R87.htm</HtmlFileName>
      <LongName>9954531 - Disclosure - COMMITMENTS AND CONTINGENT LIABILITIES - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/COMMITMENTSANDCONTINGENTLIABILITIESNarrativeDetails</Role>
      <ShortName>COMMITMENTS AND CONTINGENT LIABILITIES - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>87</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R88.htm</HtmlFileName>
      <LongName>9954532 - Disclosure - COMMITMENTS AND CONTINGENT LIABILITIES - Funding Agreements (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/COMMITMENTSANDCONTINGENTLIABILITIESFundingAgreementsDetails</Role>
      <ShortName>COMMITMENTS AND CONTINGENT LIABILITIES - Funding Agreements (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>88</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R89.htm</HtmlFileName>
      <LongName>9954533 - Disclosure - INSURANCE STATUTORY FINANCIAL INFORMATION (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/INSURANCESTATUTORYFINANCIALINFORMATIONDetails</Role>
      <ShortName>INSURANCE STATUTORY FINANCIAL INFORMATION (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.equitable.com/role/INSURANCESTATUTORYFINANCIALINFORMATION</ParentRole>
      <Position>89</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R90.htm</HtmlFileName>
      <LongName>9954534 - Disclosure - REINSURANCE - Effect of Reinsurance (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/REINSURANCEEffectofReinsuranceDetails</Role>
      <ShortName>REINSURANCE - Effect of Reinsurance (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>90</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R91.htm</HtmlFileName>
      <LongName>9954535 - Disclosure - REINSURANCE - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/REINSURANCENarrativeDetails</Role>
      <ShortName>REINSURANCE - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>91</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R92.htm</HtmlFileName>
      <LongName>9954536 - Disclosure - REINSURANCE - Reinsurance Retention (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/REINSURANCEReinsuranceRetentionDetails</Role>
      <ShortName>REINSURANCE - Reinsurance Retention (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>92</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R93.htm</HtmlFileName>
      <LongName>9954537 - Disclosure - REINSURANCE - Investment Income (Loss) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/REINSURANCEInvestmentIncomeLossDetails</Role>
      <ShortName>REINSURANCE - Investment Income (Loss) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>93</Position>
    </Report>
    <Report instance="efl-20240630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R94.htm</HtmlFileName>
      <LongName>9954538 - Disclosure - REINSURANCE - Ceded Credit Risk (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/REINSURANCECededCreditRiskDetails</Role>
      <ShortName>REINSURANCE - Ceded Credit Risk (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>94</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="10-Q" isDefinitelyFs="true" isUsgaap="true" original="efl-20240630.htm">efl-20240630.htm</File>
    <File>efl-20240630.xsd</File>
    <File>efl-20240630_cal.xml</File>
    <File>efl-20240630_def.xml</File>
    <File>efl-20240630_lab.xml</File>
    <File>efl-20240630_pre.xml</File>
  </InputFiles>
  <SupplementalFiles>
    <File>efl-20240630_g1.jpg</File>
  </SupplementalFiles>
  <BaseTaxonomies>
    <BaseTaxonomy items="3">http://fasb.org/srt/2024</BaseTaxonomy>
    <BaseTaxonomy items="4285">http://fasb.org/us-gaap/2024</BaseTaxonomy>
    <BaseTaxonomy items="26">http://xbrl.sec.gov/dei/2024</BaseTaxonomy>
    <BaseTaxonomy items="4">http://xbrl.sec.gov/ecd/2024</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
