<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.22.4</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>1207</ContextCount>
  <ElementCount>645</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>true</FootnotesReported>
  <SegmentCount>248</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>12</UnitCount>
  <MyReports>
    <Report instance="efl-20221231.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-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>0000002 - Document - Audit Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/AuditInformation</Role>
      <ShortName>Audit Information</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>2</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>0000003 - 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>3</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>0000004 - 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>4</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>0000005 - 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>5</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>0000006 - 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>6</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>0000007 - 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>7</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>0000008 - 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>8</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>0000009 - Statement - Consolidated Statements of Cash Flows (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/ConsolidatedStatementsofCashFlowsParenthetical</Role>
      <ShortName>Consolidated Statements of Cash Flows (Parenthetical)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>9</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>0000010 - Disclosure - ORGANIZATION</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/ORGANIZATION</Role>
      <ShortName>ORGANIZATION</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>10</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>0000011 - 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>11</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>0000012 - Disclosure - INVESTMENTS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/INVESTMENTS</Role>
      <ShortName>INVESTMENTS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>12</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>0000013 - Disclosure - DERIVATIVES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/DERIVATIVES</Role>
      <ShortName>DERIVATIVES</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>13</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>0000014 - Disclosure - CLOSED BLOCK</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/CLOSEDBLOCK</Role>
      <ShortName>CLOSED BLOCK</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>14</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>0000015 - Disclosure - DAC AND POLICYHOLDER BONUS INTEREST CREDITS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/DACANDPOLICYHOLDERBONUSINTERESTCREDITS</Role>
      <ShortName>DAC AND POLICYHOLDER BONUS INTEREST CREDITS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>15</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>0000016 - 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>16</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>0000017 - Disclosure - INSURANCE LIABILITIES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/INSURANCELIABILITIES</Role>
      <ShortName>INSURANCE LIABILITIES</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>17</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>0000018 - Disclosure - LEASES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/LEASES</Role>
      <ShortName>LEASES</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>18</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>0000019 - Disclosure - REINSURANCE</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/REINSURANCE</Role>
      <ShortName>REINSURANCE</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>19</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>0000020 - 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>20</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>0000021 - Disclosure - EMPLOYEE BENEFIT PLANS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/EMPLOYEEBENEFITPLANS</Role>
      <ShortName>EMPLOYEE BENEFIT PLANS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>21</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>0000022 - Disclosure - SHARE-BASED COMPENSATION PROGRAMS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/SHAREBASEDCOMPENSATIONPROGRAMS</Role>
      <ShortName>SHARE-BASED COMPENSATION PROGRAMS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>22</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>0000023 - Disclosure - INCOME TAXES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/INCOMETAXES</Role>
      <ShortName>INCOME TAXES</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>23</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>0000024 - Disclosure - EQUITY</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/EQUITY</Role>
      <ShortName>EQUITY</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>24</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>0000025 - 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>25</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>0000026 - 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>26</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.htm</HtmlFileName>
      <LongName>0000027 - 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>27</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>0000028 - Disclosure - REVENUES FROM EXTERNAL CUSTOMERS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/REVENUESFROMEXTERNALCUSTOMERS</Role>
      <ShortName>REVENUES FROM EXTERNAL CUSTOMERS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>28</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>0000029 - Disclosure - SCHEDULE I - SUMMARY OF INVESTMENTS - OTHER THAN INVESTMENTS IN RELATED PARTIES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/SCHEDULEISUMMARYOFINVESTMENTSOTHERTHANINVESTMENTSINRELATEDPARTIES</Role>
      <ShortName>SCHEDULE I - SUMMARY OF INVESTMENTS - OTHER THAN INVESTMENTS IN RELATED PARTIES</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>29</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>0000030 - Disclosure - SCHEDULE IV - REINSURANCE</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/SCHEDULEIVREINSURANCE</Role>
      <ShortName>SCHEDULE IV - REINSURANCE</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>30</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>0000031 - 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>31</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R32.htm</HtmlFileName>
      <LongName>0000032 - 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>32</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>0000033 - 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>33</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R34.htm</HtmlFileName>
      <LongName>0000034 - 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>34</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R35.htm</HtmlFileName>
      <LongName>0000035 - 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>35</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R36.htm</HtmlFileName>
      <LongName>0000036 - Disclosure - DAC AND POLICYHOLDER BONUS INTEREST CREDITS (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/DACANDPOLICYHOLDERBONUSINTERESTCREDITSTables</Role>
      <ShortName>DAC AND POLICYHOLDER BONUS INTEREST CREDITS (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.equitable.com/role/DACANDPOLICYHOLDERBONUSINTERESTCREDITS</ParentRole>
      <Position>36</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R37.htm</HtmlFileName>
      <LongName>0000037 - 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>37</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R38.htm</HtmlFileName>
      <LongName>0000038 - Disclosure - INSURANCE LIABILITIES (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/INSURANCELIABILITIESTables</Role>
      <ShortName>INSURANCE LIABILITIES (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.equitable.com/role/INSURANCELIABILITIES</ParentRole>
      <Position>38</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R39.htm</HtmlFileName>
      <LongName>0000039 - Disclosure - LEASES (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/LEASESTables</Role>
      <ShortName>LEASES (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.equitable.com/role/LEASES</ParentRole>
      <Position>39</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R40.htm</HtmlFileName>
      <LongName>0000040 - 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-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R41.htm</HtmlFileName>
      <LongName>0000041 - Disclosure - RELATED PARTY TRANSACTIONS (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/RELATEDPARTYTRANSACTIONSTables</Role>
      <ShortName>RELATED PARTY TRANSACTIONS (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.equitable.com/role/RELATEDPARTYTRANSACTIONS</ParentRole>
      <Position>41</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R42.htm</HtmlFileName>
      <LongName>0000042 - Disclosure - EMPLOYEE BENEFIT PLANS (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/EMPLOYEEBENEFITPLANSTables</Role>
      <ShortName>EMPLOYEE BENEFIT PLANS (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.equitable.com/role/EMPLOYEEBENEFITPLANS</ParentRole>
      <Position>42</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R43.htm</HtmlFileName>
      <LongName>0000043 - Disclosure - SHARE-BASED COMPENSATION PROGRAMS (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/SHAREBASEDCOMPENSATIONPROGRAMSTables</Role>
      <ShortName>SHARE-BASED COMPENSATION PROGRAMS (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.equitable.com/role/SHAREBASEDCOMPENSATIONPROGRAMS</ParentRole>
      <Position>43</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R44.htm</HtmlFileName>
      <LongName>0000044 - Disclosure - INCOME TAXES (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/INCOMETAXESTables</Role>
      <ShortName>INCOME TAXES (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.equitable.com/role/INCOMETAXES</ParentRole>
      <Position>44</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R45.htm</HtmlFileName>
      <LongName>0000045 - 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>45</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R46.htm</HtmlFileName>
      <LongName>0000046 - 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>46</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R47.htm</HtmlFileName>
      <LongName>0000047 - 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>47</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R48.htm</HtmlFileName>
      <LongName>0000048 - Disclosure - REVENUES FROM EXTERNAL CUSTOMERS (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/REVENUESFROMEXTERNALCUSTOMERSTables</Role>
      <ShortName>REVENUES FROM EXTERNAL CUSTOMERS (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.equitable.com/role/REVENUESFROMEXTERNALCUSTOMERS</ParentRole>
      <Position>48</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R49.htm</HtmlFileName>
      <LongName>0000049 - Disclosure - ORGANIZATION - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/ORGANIZATIONNarrativeDetails</Role>
      <ShortName>ORGANIZATION - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>49</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R50.htm</HtmlFileName>
      <LongName>0000050 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES - Investments (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/SIGNIFICANTACCOUNTINGPOLICIESInvestmentsDetails</Role>
      <ShortName>SIGNIFICANT ACCOUNTING POLICIES - Investments (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>50</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R51.htm</HtmlFileName>
      <LongName>0000051 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES - Future Adoption of New Accounting Pronouncements (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/SIGNIFICANTACCOUNTINGPOLICIESFutureAdoptionofNewAccountingPronouncementsDetails</Role>
      <ShortName>SIGNIFICANT ACCOUNTING POLICIES - Future Adoption of New Accounting Pronouncements (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>51</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R52.htm</HtmlFileName>
      <LongName>0000052 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES - Amortization Policy (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/SIGNIFICANTACCOUNTINGPOLICIESAmortizationPolicyDetails</Role>
      <ShortName>SIGNIFICANT ACCOUNTING POLICIES - Amortization Policy (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>52</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R53.htm</HtmlFileName>
      <LongName>0000053 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES - Policyholders' Account Balances and Future Policy Benefits and Various Policies (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/SIGNIFICANTACCOUNTINGPOLICIESPolicyholdersAccountBalancesandFuturePolicyBenefitsandVariousPoliciesDetails</Role>
      <ShortName>SIGNIFICANT ACCOUNTING POLICIES - Policyholders' Account Balances and Future Policy Benefits and Various Policies (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>53</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R54.htm</HtmlFileName>
      <LongName>0000054 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES - Accounting and Consolidation of Variable Interest Entities (VIEs) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/SIGNIFICANTACCOUNTINGPOLICIESAccountingandConsolidationofVariableInterestEntitiesVIEsDetails</Role>
      <ShortName>SIGNIFICANT ACCOUNTING POLICIES - Accounting and Consolidation of Variable Interest Entities (VIEs) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>54</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R55.htm</HtmlFileName>
      <LongName>0000055 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES - Assumption Updates and Model Changes (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/SIGNIFICANTACCOUNTINGPOLICIESAssumptionUpdatesandModelChangesDetails</Role>
      <ShortName>SIGNIFICANT ACCOUNTING POLICIES - Assumption Updates and Model Changes (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>55</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R56.htm</HtmlFileName>
      <LongName>0000056 - 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>56</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R57.htm</HtmlFileName>
      <LongName>0000057 - 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>57</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R58.htm</HtmlFileName>
      <LongName>0000058 - 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>58</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R59.htm</HtmlFileName>
      <LongName>0000059 - 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>59</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R60.htm</HtmlFileName>
      <LongName>0000060 - 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>60</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R61.htm</HtmlFileName>
      <LongName>0000061 - 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>61</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R62.htm</HtmlFileName>
      <LongName>0000062 - 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>62</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R63.htm</HtmlFileName>
      <LongName>0000063 - 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>63</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R64.htm</HtmlFileName>
      <LongName>0000064 - Disclosure - INVESTMENTS - Net Investment Income (Loss) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/INVESTMENTSNetInvestmentIncomeLossDetails</Role>
      <ShortName>INVESTMENTS - Net Investment Income (Loss) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>64</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R65.htm</HtmlFileName>
      <LongName>0000065 - 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>65</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R66.htm</HtmlFileName>
      <LongName>0000066 - 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>66</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R67.htm</HtmlFileName>
      <LongName>0000067 - 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>67</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R68.htm</HtmlFileName>
      <LongName>0000068 - 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>68</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R69.htm</HtmlFileName>
      <LongName>0000069 - 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>69</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R70.htm</HtmlFileName>
      <LongName>0000070 - 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>70</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R71.htm</HtmlFileName>
      <LongName>0000071 - 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>71</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R72.htm</HtmlFileName>
      <LongName>0000072 - 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>72</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R73.htm</HtmlFileName>
      <LongName>0000073 - Disclosure - CLOSED BLOCK - Reconciliation of Policyholder Dividend Obligation (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/CLOSEDBLOCKReconciliationofPolicyholderDividendObligationDetails</Role>
      <ShortName>CLOSED BLOCK - Reconciliation of Policyholder Dividend Obligation (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>73</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R74.htm</HtmlFileName>
      <LongName>0000074 - Disclosure - DAC AND POLICYHOLDER BONUS INTEREST CREDITS - Rollforward of DAC Costs (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/DACANDPOLICYHOLDERBONUSINTERESTCREDITSRollforwardofDACCostsDetails</Role>
      <ShortName>DAC AND POLICYHOLDER BONUS INTEREST CREDITS - Rollforward of DAC Costs (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>74</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R75.htm</HtmlFileName>
      <LongName>0000075 - Disclosure - DAC AND POLICYHOLDER BONUS INTEREST CREDITS - Rollforward of DAC Credits (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/DACANDPOLICYHOLDERBONUSINTERESTCREDITSRollforwardofDACCreditsDetails</Role>
      <ShortName>DAC AND POLICYHOLDER BONUS INTEREST CREDITS - Rollforward of DAC Credits (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>75</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R76.htm</HtmlFileName>
      <LongName>0000076 - 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>76</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R77.htm</HtmlFileName>
      <LongName>0000077 - 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>77</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R78.htm</HtmlFileName>
      <LongName>0000078 - 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>78</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R79.htm</HtmlFileName>
      <LongName>0000079 - 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>79</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R80.htm</HtmlFileName>
      <LongName>0000080 - 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>80</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R81.htm</HtmlFileName>
      <LongName>0000081 - Disclosure - INSURANCE LIABILITIES - Rollforward of Liability and Reinsurance Ceded (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/INSURANCELIABILITIESRollforwardofLiabilityandReinsuranceCededDetails</Role>
      <ShortName>INSURANCE LIABILITIES - Rollforward of Liability and Reinsurance Ceded (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>81</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R82.htm</HtmlFileName>
      <LongName>0000082 - Disclosure - INSURANCE LIABILITIES - Variable Annuity Contracts with GMDB and GMIB Features (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/INSURANCELIABILITIESVariableAnnuityContractswithGMDBandGMIBFeaturesDetails</Role>
      <ShortName>INSURANCE LIABILITIES - Variable Annuity Contracts with GMDB and GMIB Features (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>82</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R83.htm</HtmlFileName>
      <LongName>0000083 - Disclosure - INSURANCE LIABILITIES - Separate Account Investments, Hedging Programs and Variable and Interest-Sensitive Live Insurance Policies (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/INSURANCELIABILITIESSeparateAccountInvestmentsHedgingProgramsandVariableandInterestSensitiveLiveInsurancePoliciesDetails</Role>
      <ShortName>INSURANCE LIABILITIES - Separate Account Investments, Hedging Programs and Variable and Interest-Sensitive Live Insurance Policies (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>83</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R84.htm</HtmlFileName>
      <LongName>0000084 - Disclosure - LEASES - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/LEASESNarrativeDetails</Role>
      <ShortName>LEASES - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>84</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R85.htm</HtmlFileName>
      <LongName>0000085 - Disclosure - LEASES - Balance Sheet Classification (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/LEASESBalanceSheetClassificationDetails</Role>
      <ShortName>LEASES - Balance Sheet Classification (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>85</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R86.htm</HtmlFileName>
      <LongName>0000086 - Disclosure - LEASES - Lease Costs (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/LEASESLeaseCostsDetails</Role>
      <ShortName>LEASES - Lease Costs (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>86</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R87.htm</HtmlFileName>
      <LongName>0000087 - Disclosure - LEASES - Lease Maturities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/LEASESLeaseMaturitiesDetails</Role>
      <ShortName>LEASES - Lease Maturities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>87</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R88.htm</HtmlFileName>
      <LongName>0000088 - Disclosure - LEASES - Supplemental Lease Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/LEASESSupplementalLeaseInformationDetails</Role>
      <ShortName>LEASES - Supplemental Lease Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>88</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R89.htm</HtmlFileName>
      <LongName>0000089 - 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>89</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R90.htm</HtmlFileName>
      <LongName>0000090 - 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>90</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R91.htm</HtmlFileName>
      <LongName>0000091 - Disclosure - REINSURANCE - Ceded Reinsurance (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/REINSURANCECededReinsuranceDetails</Role>
      <ShortName>REINSURANCE - Ceded Reinsurance (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>91</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R92.htm</HtmlFileName>
      <LongName>0000092 - Disclosure - RELATED PARTY TRANSACTIONS - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/RELATEDPARTYTRANSACTIONSNarrativeDetails</Role>
      <ShortName>RELATED PARTY TRANSACTIONS - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>92</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R93.htm</HtmlFileName>
      <LongName>0000093 - Disclosure - RELATED PARTY TRANSACTIONS - Revenues and Expenses Transactions (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/RELATEDPARTYTRANSACTIONSRevenuesandExpensesTransactionsDetails</Role>
      <ShortName>RELATED PARTY TRANSACTIONS - Revenues and Expenses Transactions (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>93</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R94.htm</HtmlFileName>
      <LongName>0000094 - Disclosure - EMPLOYEE BENEFIT PLANS - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/EMPLOYEEBENEFITPLANSNarrativeDetails</Role>
      <ShortName>EMPLOYEE BENEFIT PLANS - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>94</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R95.htm</HtmlFileName>
      <LongName>0000095 - Disclosure - EMPLOYEE BENEFIT PLANS - Summary of Plan (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/EMPLOYEEBENEFITPLANSSummaryofPlanDetails</Role>
      <ShortName>EMPLOYEE BENEFIT PLANS - Summary of Plan (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>95</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R96.htm</HtmlFileName>
      <LongName>0000096 - Disclosure - SHARE-BASED COMPENSATION PROGRAMS - Schedule of Compensation Expenses (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/SHAREBASEDCOMPENSATIONPROGRAMSScheduleofCompensationExpensesDetails</Role>
      <ShortName>SHARE-BASED COMPENSATION PROGRAMS - Schedule of Compensation Expenses (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>96</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R97.htm</HtmlFileName>
      <LongName>0000097 - Disclosure - SHARE-BASED COMPENSATION PROGRAMS - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/SHAREBASEDCOMPENSATIONPROGRAMSNarrativeDetails</Role>
      <ShortName>SHARE-BASED COMPENSATION PROGRAMS - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>97</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R98.htm</HtmlFileName>
      <LongName>0000098 - Disclosure - SHARE-BASED COMPENSATION PROGRAMS - Stock Option Activity (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/SHAREBASEDCOMPENSATIONPROGRAMSStockOptionActivityDetails</Role>
      <ShortName>SHARE-BASED COMPENSATION PROGRAMS - Stock Option Activity (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>98</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R99.htm</HtmlFileName>
      <LongName>0000099 - Disclosure - SHARE-BASED COMPENSATION PROGRAMS - Fair Value Stock Option Assumptions (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/SHAREBASEDCOMPENSATIONPROGRAMSFairValueStockOptionAssumptionsDetails</Role>
      <ShortName>SHARE-BASED COMPENSATION PROGRAMS - Fair Value Stock Option Assumptions (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>99</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R100.htm</HtmlFileName>
      <LongName>0000100 - Disclosure - SHARE-BASED COMPENSATION PROGRAMS - Restricted and Performance Stock Activity (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/SHAREBASEDCOMPENSATIONPROGRAMSRestrictedandPerformanceStockActivityDetails</Role>
      <ShortName>SHARE-BASED COMPENSATION PROGRAMS - Restricted and Performance Stock Activity (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>100</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R101.htm</HtmlFileName>
      <LongName>0000101 - Disclosure - INCOME TAXES - Components of Income Tax Expense (Benefit) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/INCOMETAXESComponentsofIncomeTaxExpenseBenefitDetails</Role>
      <ShortName>INCOME TAXES - Components of Income Tax Expense (Benefit) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>101</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R102.htm</HtmlFileName>
      <LongName>0000102 - Disclosure - INCOME TAXES - Reconciliation of Effective Tax Rate (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/INCOMETAXESReconciliationofEffectiveTaxRateDetails</Role>
      <ShortName>INCOME TAXES - Reconciliation of Effective Tax Rate (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>102</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R103.htm</HtmlFileName>
      <LongName>0000103 - Disclosure - INCOME TAXES - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/INCOMETAXESNarrativeDetails</Role>
      <ShortName>INCOME TAXES - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>103</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R104.htm</HtmlFileName>
      <LongName>0000104 - Disclosure - INCOME TAXES - Deferred Tax Assets and Liabilities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/INCOMETAXESDeferredTaxAssetsandLiabilitiesDetails</Role>
      <ShortName>INCOME TAXES - Deferred Tax Assets and Liabilities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>104</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R105.htm</HtmlFileName>
      <LongName>0000105 - Disclosure - INCOME TAXES - Unrecognized Deferred Tax Assets (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/INCOMETAXESUnrecognizedDeferredTaxAssetsDetails</Role>
      <ShortName>INCOME TAXES - Unrecognized Deferred Tax Assets (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>105</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R106.htm</HtmlFileName>
      <LongName>0000106 - Disclosure - EQUITY - Components of AOCI (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/EQUITYComponentsofAOCIDetails</Role>
      <ShortName>EQUITY - Components of AOCI (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>106</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R107.htm</HtmlFileName>
      <LongName>0000107 - 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>107</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R108.htm</HtmlFileName>
      <LongName>0000108 - 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>108</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R109.htm</HtmlFileName>
      <LongName>0000109 - 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>109</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R110.htm</HtmlFileName>
      <LongName>0000110 - Disclosure - INSURANCE STATUTORY FINANCIAL INFORMATION - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/INSURANCESTATUTORYFINANCIALINFORMATIONNarrativeDetails</Role>
      <ShortName>INSURANCE STATUTORY FINANCIAL INFORMATION - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>110</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R111.htm</HtmlFileName>
      <LongName>0000111 - Disclosure - REDEEMABLE NONCONTROLLING INTEREST - Summary of Redeemable Noncontrolling Interest (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/REDEEMABLENONCONTROLLINGINTERESTSummaryofRedeemableNoncontrollingInterestDetails</Role>
      <ShortName>REDEEMABLE NONCONTROLLING INTEREST - Summary of Redeemable Noncontrolling Interest (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>111</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R112.htm</HtmlFileName>
      <LongName>0000112 - Disclosure - REVENUES FROM EXTERNAL CUSTOMERS - Disaggregation of Revenue (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/REVENUESFROMEXTERNALCUSTOMERSDisaggregationofRevenueDetails</Role>
      <ShortName>REVENUES FROM EXTERNAL CUSTOMERS - Disaggregation of Revenue (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>112</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R113.htm</HtmlFileName>
      <LongName>0000113 - Disclosure - SCHEDULE I - SUMMARY OF INVESTMENTS - OTHER THAN INVESTMENTS IN RELATED PARTIES (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/SCHEDULEISUMMARYOFINVESTMENTSOTHERTHANINVESTMENTSINRELATEDPARTIESDetails</Role>
      <ShortName>SCHEDULE I - SUMMARY OF INVESTMENTS - OTHER THAN INVESTMENTS IN RELATED PARTIES (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.equitable.com/role/SCHEDULEISUMMARYOFINVESTMENTSOTHERTHANINVESTMENTSINRELATEDPARTIES</ParentRole>
      <Position>113</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R114.htm</HtmlFileName>
      <LongName>0000114 - Disclosure - SCHEDULE IV - REINSURANCE (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/SCHEDULEIVREINSURANCEDetails</Role>
      <ShortName>SCHEDULE IV - REINSURANCE (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.equitable.com/role/SCHEDULEIVREINSURANCE</ParentRole>
      <Position>114</Position>
    </Report>
    <Report instance="efl-20221231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9999.htm</HtmlFileName>
      <LongName>Uncategorized Items - efl-20221231.htm</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://xbrl.sec.gov/role/uncategorizedFacts</Role>
      <ShortName>Uncategorized Items - efl-20221231.htm</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>115</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <Logs>
    <Log type="Warning">[ix-0514-Hidden-Fact-Eligible-For-Transform] WARN: 16 fact(s) appearing in ix:hidden were eligible for transformation: dei:EntityPublicFloat, efl:SharebasedCompensationBySharebasedPaymentAwardPercentofAwardType, us-gaap:FiniteLivedIntangibleAssetUsefulLife, us-gaap:NetAmountAtRiskByProductAndGuaranteeWeightedAveragePeriodRemaining1, us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage, us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1, us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1, us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2 -  efl-20221231.htm 4</Log>
    <Log type="Warning">[dqc-0015-Negative-Values] Fact us-gaap:OtherAssetsFairValueDisclosure has a value of -416000000 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:OtherAssetsFairValueDisclosure fact are: Context: i40f78a61899a4aa097d290a733676984_I20221231, Unit: usd, Rule Element Id: 3056. efl-20221231.htm 4</Log>
    <Log type="Warning">[dqc-0015-Negative-Values] Fact us-gaap:OtherAssetsFairValueDisclosure has a value of -416000000 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:OtherAssetsFairValueDisclosure fact are: Context: i57f05aaad78b4684b6784ddc3653d764_I20221231, Unit: usd, Rule Element Id: 3056. efl-20221231.htm 4</Log>
    <Log type="Warning">[dqc-0015-Negative-Values] Fact us-gaap:OtherAssetsFairValueDisclosure has a value of -2000000 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:OtherAssetsFairValueDisclosure fact are: Context: if70223a59fa54f52975a6084cd6d562a_I20221231, Unit: usd, Rule Element Id: 3056. efl-20221231.htm 4</Log>
    <Log type="Warning">[dqc-0015-Negative-Values] Fact us-gaap:OtherAssetsFairValueDisclosure has a value of -2000000 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:OtherAssetsFairValueDisclosure fact are: Context: i4aebd0e8545c463598d95bc636671fd7_I20221231, Unit: usd, Rule Element Id: 3056. efl-20221231.htm 4</Log>
    <Log type="Warning">[dqc-0015-Negative-Values] Fact us-gaap:OtherAssetsFairValueDisclosure has a value of -469000000 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:OtherAssetsFairValueDisclosure fact are: Context: ia5327fbe28b24fee837ec8435e8bbc06_I20211231, Unit: usd, Rule Element Id: 3056. efl-20221231.htm 4</Log>
    <Log type="Warning">[dqc-0015-Negative-Values] Fact us-gaap:OtherAssetsFairValueDisclosure has a value of -469000000 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:OtherAssetsFairValueDisclosure fact are: Context: ib680d0ae1fb04822b9e9b2ee90dd45f8_I20211231, Unit: usd, Rule Element Id: 3056. efl-20221231.htm 4</Log>
    <Log type="Warning">[dqc-0015-Negative-Values] Fact us-gaap:OtherAssetsFairValueDisclosure has a value of -1000000 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:OtherAssetsFairValueDisclosure fact are: Context: ia8dd69913d77484aa30807ed6cf96808_I20211231, Unit: usd, Rule Element Id: 3056. efl-20221231.htm 4</Log>
    <Log type="Warning">[dqc-0015-Negative-Values] Fact us-gaap:OtherAssetsFairValueDisclosure has a value of -1000000 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:OtherAssetsFairValueDisclosure fact are: Context: i6f2b903d3c2647248214bce920c832a4_I20211231, Unit: usd, Rule Element Id: 3056. efl-20221231.htm 4</Log>
    <Log type="Warning">[dqc-0015-Negative-Values] Fact us-gaap:DefinedContributionPlanCostRecognized has a value of -25000000 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:DefinedContributionPlanCostRecognized fact are: Context: i3e1c900c30584a6d82c519d488c8a5e6_D20220101-20221231, Unit: usd, Rule Element Id: 3530. efl-20221231.htm 4</Log>
    <Log type="Warning">[dqc-0015-Negative-Values] Fact us-gaap:DefinedContributionPlanCostRecognized has a value of -12000000 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:DefinedContributionPlanCostRecognized fact are: Context: ifbe41824b3b349a3a78f001fc9c9833d_D20210101-20211231, Unit: usd, Rule Element Id: 3530. efl-20221231.htm 4</Log>
  </Logs>
  <InputFiles>
    <File doctype="10-K" original="efl-20221231.htm">efl-20221231.htm</File>
    <File>efl-12312022exhibit231.htm</File>
    <File>efl-12312022exhibit311.htm</File>
    <File>efl-12312022exhibit312.htm</File>
    <File>efl-12312022exhibit321.htm</File>
    <File>efl-12312022exhibit322.htm</File>
    <File>efl-20221231.xsd</File>
    <File>efl-20221231_cal.xml</File>
    <File>efl-20221231_def.xml</File>
    <File>efl-20221231_lab.xml</File>
    <File>efl-20221231_pre.xml</File>
  </InputFiles>
  <SupplementalFiles>
    <File>efl-20221231_g1.jpg</File>
  </SupplementalFiles>
  <BaseTaxonomies>
    <BaseTaxonomy items="20">http://fasb.org/srt/2022</BaseTaxonomy>
    <BaseTaxonomy items="3336">http://fasb.org/us-gaap/2022</BaseTaxonomy>
    <BaseTaxonomy items="38">http://xbrl.sec.gov/dei/2022</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
