<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.23.1</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>1458</ContextCount>
  <ElementCount>511</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>true</FootnotesReported>
  <SegmentCount>213</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>8</UnitCount>
  <MyReports>
    <Report instance="efl-20230331.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-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>0000002 - 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-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>0000003 - 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-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>0000004 - 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-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>0000005 - 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-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>0000006 - 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-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>0000007 - 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-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>0000008 - 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>8</Position>
    </Report>
    <Report instance="efl-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>0000009 - Disclosure - ORGANIZATION</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/ORGANIZATION</Role>
      <ShortName>ORGANIZATION</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>9</Position>
    </Report>
    <Report instance="efl-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>0000010 - 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>10</Position>
    </Report>
    <Report instance="efl-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>0000011 - Disclosure - INVESTMENTS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/INVESTMENTS</Role>
      <ShortName>INVESTMENTS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>11</Position>
    </Report>
    <Report instance="efl-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>0000012 - Disclosure - DERIVATIVES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/DERIVATIVES</Role>
      <ShortName>DERIVATIVES</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>12</Position>
    </Report>
    <Report instance="efl-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>0000013 - Disclosure - CLOSED BLOCK</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/CLOSEDBLOCK</Role>
      <ShortName>CLOSED BLOCK</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>13</Position>
    </Report>
    <Report instance="efl-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>0000014 - 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>14</Position>
    </Report>
    <Report instance="efl-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>0000015 - 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>15</Position>
    </Report>
    <Report instance="efl-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>0000016 - 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>16</Position>
    </Report>
    <Report instance="efl-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>0000017 - 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>17</Position>
    </Report>
    <Report instance="efl-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>0000018 - 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>18</Position>
    </Report>
    <Report instance="efl-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>0000019 - Disclosure - INCOME TAXES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/INCOMETAXES</Role>
      <ShortName>INCOME TAXES</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>19</Position>
    </Report>
    <Report instance="efl-20230331.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-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>0000021 - Disclosure - EQUITY</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/EQUITY</Role>
      <ShortName>EQUITY</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>21</Position>
    </Report>
    <Report instance="efl-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>0000022 - 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>22</Position>
    </Report>
    <Report instance="efl-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>0000023 - 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>23</Position>
    </Report>
    <Report instance="efl-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>0000024 - 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>24</Position>
    </Report>
    <Report instance="efl-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>0000025 - Disclosure - REINSURANCE</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/REINSURANCE</Role>
      <ShortName>REINSURANCE</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>25</Position>
    </Report>
    <Report instance="efl-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>0000026 - 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>26</Position>
    </Report>
    <Report instance="efl-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.htm</HtmlFileName>
      <LongName>0000027 - 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>27</Position>
    </Report>
    <Report instance="efl-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>0000028 - 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>28</Position>
    </Report>
    <Report instance="efl-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>0000029 - 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>29</Position>
    </Report>
    <Report instance="efl-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>0000030 - 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>30</Position>
    </Report>
    <Report instance="efl-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>0000031 - 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>31</Position>
    </Report>
    <Report instance="efl-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R32.htm</HtmlFileName>
      <LongName>0000032 - 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>32</Position>
    </Report>
    <Report instance="efl-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>0000033 - 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>33</Position>
    </Report>
    <Report instance="efl-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R34.htm</HtmlFileName>
      <LongName>0000034 - 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>34</Position>
    </Report>
    <Report instance="efl-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R35.htm</HtmlFileName>
      <LongName>0000035 - 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>35</Position>
    </Report>
    <Report instance="efl-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R36.htm</HtmlFileName>
      <LongName>0000036 - 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>36</Position>
    </Report>
    <Report instance="efl-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R37.htm</HtmlFileName>
      <LongName>0000037 - 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>37</Position>
    </Report>
    <Report instance="efl-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R38.htm</HtmlFileName>
      <LongName>0000038 - 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>38</Position>
    </Report>
    <Report instance="efl-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R39.htm</HtmlFileName>
      <LongName>0000039 - 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>39</Position>
    </Report>
    <Report instance="efl-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R40.htm</HtmlFileName>
      <LongName>0000040 - 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>40</Position>
    </Report>
    <Report instance="efl-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R41.htm</HtmlFileName>
      <LongName>0000041 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES - Effect of Transition Adjustment to Total Equity Resulting (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/SIGNIFICANTACCOUNTINGPOLICIESEffectofTransitionAdjustmenttoTotalEquityResultingDetails</Role>
      <ShortName>SIGNIFICANT ACCOUNTING POLICIES - Effect of Transition Adjustment to Total Equity Resulting (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>41</Position>
    </Report>
    <Report instance="efl-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R42.htm</HtmlFileName>
      <LongName>0000042 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES - Schedule of Balance of and Changes in Liability for Future Policy Benefits (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/SIGNIFICANTACCOUNTINGPOLICIESScheduleofBalanceofandChangesinLiabilityforFuturePolicyBenefitsDetails</Role>
      <ShortName>SIGNIFICANT ACCOUNTING POLICIES - Schedule of Balance of and Changes in Liability for Future Policy Benefits (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>42</Position>
    </Report>
    <Report instance="efl-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R43.htm</HtmlFileName>
      <LongName>0000043 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES - Schedule of Market Risk Benefit, Activity (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/SIGNIFICANTACCOUNTINGPOLICIESScheduleofMarketRiskBenefitActivityDetails</Role>
      <ShortName>SIGNIFICANT ACCOUNTING POLICIES - Schedule of Market Risk Benefit, Activity (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>43</Position>
    </Report>
    <Report instance="efl-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R44.htm</HtmlFileName>
      <LongName>0000044 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES - Schedule of Deferred Policy Acquisition Costs (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/SIGNIFICANTACCOUNTINGPOLICIESScheduleofDeferredPolicyAcquisitionCostsDetails</Role>
      <ShortName>SIGNIFICANT ACCOUNTING POLICIES - Schedule of Deferred Policy Acquisition Costs (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>44</Position>
    </Report>
    <Report instance="efl-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R45.htm</HtmlFileName>
      <LongName>0000045 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES - Schedule of Deferred Income (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/SIGNIFICANTACCOUNTINGPOLICIESScheduleofDeferredIncomeDetails</Role>
      <ShortName>SIGNIFICANT ACCOUNTING POLICIES - Schedule of Deferred Income (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>45</Position>
    </Report>
    <Report instance="efl-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R46.htm</HtmlFileName>
      <LongName>0000046 - 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>46</Position>
    </Report>
    <Report instance="efl-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R47.htm</HtmlFileName>
      <LongName>0000047 - 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>47</Position>
    </Report>
    <Report instance="efl-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R48.htm</HtmlFileName>
      <LongName>0000048 - 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>48</Position>
    </Report>
    <Report instance="efl-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R49.htm</HtmlFileName>
      <LongName>0000049 - 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>49</Position>
    </Report>
    <Report instance="efl-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R50.htm</HtmlFileName>
      <LongName>0000050 - 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>50</Position>
    </Report>
    <Report instance="efl-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R51.htm</HtmlFileName>
      <LongName>0000051 - 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>51</Position>
    </Report>
    <Report instance="efl-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R52.htm</HtmlFileName>
      <LongName>0000052 - 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>52</Position>
    </Report>
    <Report instance="efl-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R53.htm</HtmlFileName>
      <LongName>0000053 - Disclosure - INVESTMENTS - Troubled Debt Restructuring (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/INVESTMENTSTroubledDebtRestructuringDetails</Role>
      <ShortName>INVESTMENTS - Troubled Debt Restructuring (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>53</Position>
    </Report>
    <Report instance="efl-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R54.htm</HtmlFileName>
      <LongName>0000054 - 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>54</Position>
    </Report>
    <Report instance="efl-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R55.htm</HtmlFileName>
      <LongName>0000055 - 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>55</Position>
    </Report>
    <Report instance="efl-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R56.htm</HtmlFileName>
      <LongName>0000056 - 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>56</Position>
    </Report>
    <Report instance="efl-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R57.htm</HtmlFileName>
      <LongName>0000057 - 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>57</Position>
    </Report>
    <Report instance="efl-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R58.htm</HtmlFileName>
      <LongName>0000058 - 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>58</Position>
    </Report>
    <Report instance="efl-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R59.htm</HtmlFileName>
      <LongName>0000059 - 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>59</Position>
    </Report>
    <Report instance="efl-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R60.htm</HtmlFileName>
      <LongName>0000060 - 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>60</Position>
    </Report>
    <Report instance="efl-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R61.htm</HtmlFileName>
      <LongName>0000061 - 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>61</Position>
    </Report>
    <Report instance="efl-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R62.htm</HtmlFileName>
      <LongName>0000062 - 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>62</Position>
    </Report>
    <Report instance="efl-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R63.htm</HtmlFileName>
      <LongName>0000063 - 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>63</Position>
    </Report>
    <Report instance="efl-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R64.htm</HtmlFileName>
      <LongName>0000064 - 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>64</Position>
    </Report>
    <Report instance="efl-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R65.htm</HtmlFileName>
      <LongName>0000065 - 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>65</Position>
    </Report>
    <Report instance="efl-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R66.htm</HtmlFileName>
      <LongName>0000066 - 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>66</Position>
    </Report>
    <Report instance="efl-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R67.htm</HtmlFileName>
      <LongName>0000067 - 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>67</Position>
    </Report>
    <Report instance="efl-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R68.htm</HtmlFileName>
      <LongName>0000068 - 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>68</Position>
    </Report>
    <Report instance="efl-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R69.htm</HtmlFileName>
      <LongName>0000069 - 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>69</Position>
    </Report>
    <Report instance="efl-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R70.htm</HtmlFileName>
      <LongName>0000070 - 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>70</Position>
    </Report>
    <Report instance="efl-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R71.htm</HtmlFileName>
      <LongName>0000071 - 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>71</Position>
    </Report>
    <Report instance="efl-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R72.htm</HtmlFileName>
      <LongName>0000072 - 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>72</Position>
    </Report>
    <Report instance="efl-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R73.htm</HtmlFileName>
      <LongName>0000073 - 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>73</Position>
    </Report>
    <Report instance="efl-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R74.htm</HtmlFileName>
      <LongName>0000074 - 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>74</Position>
    </Report>
    <Report instance="efl-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R75.htm</HtmlFileName>
      <LongName>0000075 - 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>75</Position>
    </Report>
    <Report instance="efl-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R76.htm</HtmlFileName>
      <LongName>0000076 - Disclosure - LIABILITIES FOR FUTURE POLICYHOLDER BENEFITS - Balances of and Changes in Additional Liabilities Related to Insurance Guarantees (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/LIABILITIESFORFUTUREPOLICYHOLDERBENEFITSBalancesofandChangesinAdditionalLiabilitiesRelatedtoInsuranceGuaranteesDetails</Role>
      <ShortName>LIABILITIES FOR FUTURE POLICYHOLDER BENEFITS - Balances of and Changes in Additional Liabilities Related to Insurance Guarantees (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>76</Position>
    </Report>
    <Report instance="efl-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R77.htm</HtmlFileName>
      <LongName>0000077 - 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>77</Position>
    </Report>
    <Report instance="efl-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R78.htm</HtmlFileName>
      <LongName>0000078 - 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>78</Position>
    </Report>
    <Report instance="efl-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R79.htm</HtmlFileName>
      <LongName>0000079 - Disclosure - POLICYHOLDER ACCOUNT BALANCES (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/POLICYHOLDERACCOUNTBALANCESDetails</Role>
      <ShortName>POLICYHOLDER ACCOUNT BALANCES (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.equitable.com/role/POLICYHOLDERACCOUNTBALANCESTables</ParentRole>
      <Position>79</Position>
    </Report>
    <Report instance="efl-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R80.htm</HtmlFileName>
      <LongName>0000080 - 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>80</Position>
    </Report>
    <Report instance="efl-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R81.htm</HtmlFileName>
      <LongName>0000081 - Disclosure - POLICYHOLDER ACCOUNT BALANCES Separate Accounts Liability (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.equitable.com/role/POLICYHOLDERACCOUNTBALANCESSeparateAccountsLiabilityDetails</Role>
      <ShortName>POLICYHOLDER ACCOUNT BALANCES Separate Accounts Liability (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>81</Position>
    </Report>
    <Report instance="efl-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R82.htm</HtmlFileName>
      <LongName>0000082 - 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-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R83.htm</HtmlFileName>
      <LongName>0000083 - 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-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R84.htm</HtmlFileName>
      <LongName>0000084 - 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>84</Position>
    </Report>
    <Report instance="efl-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R85.htm</HtmlFileName>
      <LongName>0000085 - 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-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R86.htm</HtmlFileName>
      <LongName>0000086 - 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>86</Position>
    </Report>
    <Report instance="efl-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R87.htm</HtmlFileName>
      <LongName>0000087 - 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-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R88.htm</HtmlFileName>
      <LongName>0000088 - 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-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R89.htm</HtmlFileName>
      <LongName>0000089 - 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>89</Position>
    </Report>
    <Report instance="efl-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R90.htm</HtmlFileName>
      <LongName>0000090 - 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-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R91.htm</HtmlFileName>
      <LongName>0000091 - 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-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R92.htm</HtmlFileName>
      <LongName>0000092 - 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>92</Position>
    </Report>
    <Report instance="efl-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9999.htm</HtmlFileName>
      <LongName>Uncategorized Items - efl-20230331.htm</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://xbrl.sec.gov/role/uncategorizedFacts</Role>
      <ShortName>Uncategorized Items - efl-20230331.htm</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>93</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">[dq-0542-Deprecated-Concept] Concept DueFromAffiliates in us-gaap/2022 used in 10 facts was deprecated in us-gaap/2023 as of 2023 and should not be used. efl-20230331.htm 4</Log>
    <Log type="Warning">[dqc-0015-Negative-Values] Fact us-gaap:OtherAssetsFairValueDisclosure has a value of -347000000 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: if5ada137dc6f468c8692334f5a597f47_I20230331, Unit: usd, Rule Element Id: 3056. efl-20230331.htm 4</Log>
    <Log type="Warning">[dqc-0015-Negative-Values] Fact us-gaap:OtherAssetsFairValueDisclosure has a value of -347000000 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: i4dc513ea8de24e11a9df1dcd37b98c2c_I20230331, Unit: usd, Rule Element Id: 3056. efl-20230331.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: i0dcdefb428984b8dacd9dbe26d4e408e_I20230331, Unit: usd, Rule Element Id: 3056. efl-20230331.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: ic25ba873112c4e9babd3647b50fa216b_I20230331, Unit: usd, Rule Element Id: 3056. efl-20230331.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: i69b07c70e60f4bd5b146a71ff4cbd445_I20221231, Unit: usd, Rule Element Id: 3056. efl-20230331.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: i71d32b19772741b1b937e415d67db078_I20221231, Unit: usd, Rule Element Id: 3056. efl-20230331.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: id1b64265809f4fd1be719a5ce281a9c2_I20221231, Unit: usd, Rule Element Id: 3056. efl-20230331.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: ie67f9b6773804a3898b8d19e6bb19eeb_I20221231, Unit: usd, Rule Element Id: 3056. efl-20230331.htm 4</Log>
    <Log type="Warning">[rq-2602-Instant-Without-Matching-Duration] In ''SIGNIFICANT ACCOUNTING POLICIES - Schedule of Balance of and Changes in Liability for Future Policy Benefits (Details)'', fact us-gaap:LiabilityForFuturePolicyBenefitExpectedFuturePolicyBenefitBeforeReinsuranceAfterDiscountRateChange with value 2300000000 and preferred label http://www.xbrl.org/2003/role/periodStartLabel, was not shown because there are no facts in a duration starting at 2020-12-31. Change the preferred label role or add facts.</Log>
    <Log type="Warning">[rq-2602-Instant-Without-Matching-Duration] In ''SIGNIFICANT ACCOUNTING POLICIES - Schedule of Balance of and Changes in Liability for Future Policy Benefits (Details)'', fact us-gaap:LiabilityForFuturePolicyBenefitExpectedFuturePolicyBenefitBeforeReinsuranceAfterDiscountRateChange with value 3047000000 and preferred label http://www.xbrl.org/2003/role/periodStartLabel, was not shown because there are no facts in a duration starting at 2020-12-31. Change the preferred label role or add facts.</Log>
    <Log type="Warning">[rq-2602-Instant-Without-Matching-Duration] In ''SIGNIFICANT ACCOUNTING POLICIES - Schedule of Balance of and Changes in Liability for Future Policy Benefits (Details)'', fact us-gaap:LiabilityForFuturePolicyBenefitExpectedFuturePolicyBenefitBeforeReinsuranceAfterDiscountRateChange with value 771000000 and preferred label http://www.xbrl.org/2003/role/periodEndLabel, was not shown because there are no facts in a duration ending at 2020-12-31. Change the preferred label role or add facts.</Log>
    <Log type="Warning">[rq-2602-Instant-Without-Matching-Duration] In ''SIGNIFICANT ACCOUNTING POLICIES - Schedule of Balance of and Changes in Liability for Future Policy Benefits (Details)'', fact us-gaap:LiabilityForFuturePolicyBenefitExpectedFuturePolicyBenefitBeforeReinsuranceAfterDiscountRateChange with value 1974000000 and preferred label http://www.xbrl.org/2003/role/periodStartLabel, was not shown because there are no facts in a duration starting at 2020-12-31. Change the preferred label role or add facts.</Log>
    <Log type="Warning">[rq-2602-Instant-Without-Matching-Duration] In ''SIGNIFICANT ACCOUNTING POLICIES - Schedule of Balance of and Changes in Liability for Future Policy Benefits (Details)'', fact us-gaap:LiabilityForFuturePolicyBenefitExpectedFuturePolicyBenefitBeforeReinsuranceAfterDiscountRateChange with value 780000000 and preferred label http://www.xbrl.org/2003/role/periodEndLabel, was not shown because there are no facts in a duration ending at 2020-12-31. Change the preferred label role or add facts.</Log>
    <Log type="Warning">[rq-2602-Instant-Without-Matching-Duration] In ''SIGNIFICANT ACCOUNTING POLICIES - Schedule of Balance of and Changes in Liability for Future Policy Benefits (Details)'', fact us-gaap:LiabilityForFuturePolicyBenefitExpectedFuturePolicyBenefitBeforeReinsuranceAfterDiscountRateChange with value 1974000000 and preferred label http://www.xbrl.org/2003/role/periodEndLabel, was not shown because there are no facts in a duration ending at 2020-12-31. Change the preferred label role or add facts.</Log>
    <Log type="Warning">[rq-2602-Instant-Without-Matching-Duration] In ''SIGNIFICANT ACCOUNTING POLICIES - Schedule of Balance of and Changes in Liability for Future Policy Benefits (Details)'', fact us-gaap:LiabilityForFuturePolicyBenefitExpectedFuturePolicyBenefitBeforeReinsuranceAfterDiscountRateChange with value 2300000000 and preferred label http://www.xbrl.org/2003/role/periodEndLabel, was not shown because there are no facts in a duration ending at 2020-12-31. Change the preferred label role or add facts.</Log>
    <Log type="Warning">[rq-2602-Instant-Without-Matching-Duration] In ''SIGNIFICANT ACCOUNTING POLICIES - Schedule of Balance of and Changes in Liability for Future Policy Benefits (Details)'', fact us-gaap:LiabilityForFuturePolicyBenefitExpectedFuturePolicyBenefitBeforeReinsuranceAfterDiscountRateChange with value 7333000000 and preferred label http://www.xbrl.org/2003/role/periodEndLabel, was not shown because there are no facts in a duration ending at 2020-12-31. Change the preferred label role or add facts.</Log>
    <Log type="Warning">[rq-2602-Instant-Without-Matching-Duration] In ''SIGNIFICANT ACCOUNTING POLICIES - Schedule of Balance of and Changes in Liability for Future Policy Benefits (Details)'', fact us-gaap:LiabilityForFuturePolicyBenefitExpectedFuturePolicyBenefitBeforeReinsuranceAfterDiscountRateChange with value 7333000000 and preferred label http://www.xbrl.org/2003/role/periodStartLabel, was not shown because there are no facts in a duration starting at 2020-12-31. Change the preferred label role or add facts.</Log>
    <Log type="Warning">[rq-2602-Instant-Without-Matching-Duration] In ''SIGNIFICANT ACCOUNTING POLICIES - Schedule of Balance of and Changes in Liability for Future Policy Benefits (Details)'', fact us-gaap:LiabilityForFuturePolicyBenefitExpectedFuturePolicyBenefitBeforeReinsuranceAfterDiscountRateChange with value 3407000000 and preferred label http://www.xbrl.org/2003/role/periodStartLabel, was not shown because there are no facts in a duration starting at 2020-12-31. Change the preferred label role or add facts.</Log>
    <Log type="Warning">[rq-2602-Instant-Without-Matching-Duration] In ''SIGNIFICANT ACCOUNTING POLICIES - Schedule of Balance of and Changes in Liability for Future Policy Benefits (Details)'', fact us-gaap:LiabilityForFuturePolicyBenefitExpectedFuturePolicyBenefitBeforeReinsuranceAfterDiscountRateChange with value 3047000000 and preferred label http://www.xbrl.org/2003/role/periodEndLabel, was not shown because there are no facts in a duration ending at 2020-12-31. Change the preferred label role or add facts.</Log>
    <Log type="Warning">[rq-2602-Instant-Without-Matching-Duration] In ''SIGNIFICANT ACCOUNTING POLICIES - Schedule of Balance of and Changes in Liability for Future Policy Benefits (Details)'', fact us-gaap:LiabilityForFuturePolicyBenefitExpectedFuturePolicyBenefitBeforeReinsuranceAfterDiscountRateChange with value 780000000 and preferred label http://www.xbrl.org/2003/role/periodStartLabel, was not shown because there are no facts in a duration starting at 2020-12-31. Change the preferred label role or add facts.</Log>
    <Log type="Warning">[rq-2602-Instant-Without-Matching-Duration] In ''SIGNIFICANT ACCOUNTING POLICIES - Schedule of Balance of and Changes in Liability for Future Policy Benefits (Details)'', fact us-gaap:LiabilityForFuturePolicyBenefitExpectedFuturePolicyBenefitBeforeReinsuranceAfterDiscountRateChange with value 1415000000 and preferred label http://www.xbrl.org/2003/role/periodEndLabel, was not shown because there are no facts in a duration ending at 2020-12-31. Change the preferred label role or add facts.</Log>
    <Log type="Warning">[rq-2602-Instant-Without-Matching-Duration] In ''SIGNIFICANT ACCOUNTING POLICIES - Schedule of Balance of and Changes in Liability for Future Policy Benefits (Details)'', fact us-gaap:LiabilityForFuturePolicyBenefitExpectedFuturePolicyBenefitBeforeReinsuranceAfterDiscountRateChange with value 771000000 and preferred label http://www.xbrl.org/2003/role/periodStartLabel, was not shown because there are no facts in a duration starting at 2020-12-31. Change the preferred label role or add facts.</Log>
    <Log type="Warning">[rq-2602-Instant-Without-Matching-Duration] In ''SIGNIFICANT ACCOUNTING POLICIES - Schedule of Balance of and Changes in Liability for Future Policy Benefits (Details)'', fact us-gaap:LiabilityForFuturePolicyBenefitExpectedFuturePolicyBenefitBeforeReinsuranceAfterDiscountRateChange with value 2100000000 and preferred label http://www.xbrl.org/2003/role/periodEndLabel, was not shown because there are no facts in a duration ending at 2020-12-31. Change the preferred label role or add facts.</Log>
    <Log type="Warning">[rq-2602-Instant-Without-Matching-Duration] In ''SIGNIFICANT ACCOUNTING POLICIES - Schedule of Balance of and Changes in Liability for Future Policy Benefits (Details)'', fact us-gaap:LiabilityForFuturePolicyBenefitExpectedFuturePolicyBenefitBeforeReinsuranceAfterDiscountRateChange with value 3407000000 and preferred label http://www.xbrl.org/2003/role/periodEndLabel, was not shown because there are no facts in a duration ending at 2020-12-31. Change the preferred label role or add facts.</Log>
    <Log type="Warning">[rq-2602-Instant-Without-Matching-Duration] In ''SIGNIFICANT ACCOUNTING POLICIES - Schedule of Balance of and Changes in Liability for Future Policy Benefits (Details)'', fact us-gaap:LiabilityForFuturePolicyBenefitExpectedFuturePolicyBenefitBeforeReinsuranceAfterDiscountRateChange with value 1415000000 and preferred label http://www.xbrl.org/2003/role/periodStartLabel, was not shown because there are no facts in a duration starting at 2020-12-31. Change the preferred label role or add facts.</Log>
    <Log type="Warning">[rq-2602-Instant-Without-Matching-Duration] In ''SIGNIFICANT ACCOUNTING POLICIES - Schedule of Balance of and Changes in Liability for Future Policy Benefits (Details)'', fact us-gaap:LiabilityForFuturePolicyBenefitExpectedFuturePolicyBenefitBeforeReinsuranceAfterDiscountRateChange with value 2100000000 and preferred label http://www.xbrl.org/2003/role/periodStartLabel, was not shown because there are no facts in a duration starting at 2020-12-31. Change the preferred label role or add facts.</Log>
    <Log type="Warning">[rq-2602-Instant-Without-Matching-Duration] In ''LIABILITIES FOR FUTURE POLICYHOLDER BENEFITS - Policyholder Account Balance (Details)'', fact us-gaap:LiabilityForFuturePolicyBenefitExpectedFuturePolicyBenefitBeforeReinsuranceAfterDiscountRateChange with value 1415000000 and preferred label http://www.xbrl.org/2003/role/periodEndLabel, was not shown because there are no facts in a duration ending at 2020-12-31. Change the preferred label role or add facts.</Log>
    <Log type="Warning">[rq-2602-Instant-Without-Matching-Duration] In ''LIABILITIES FOR FUTURE POLICYHOLDER BENEFITS - Policyholder Account Balance (Details)'', fact us-gaap:LiabilityForFuturePolicyBenefitExpectedFuturePolicyBenefitBeforeReinsuranceAfterDiscountRateChange with value 2100000000 and preferred label http://www.xbrl.org/2003/role/periodStartLabel, was not shown because there are no facts in a duration starting at 2020-12-31. Change the preferred label role or add facts.</Log>
    <Log type="Warning">[rq-2602-Instant-Without-Matching-Duration] In ''LIABILITIES FOR FUTURE POLICYHOLDER BENEFITS - Policyholder Account Balance (Details)'', fact us-gaap:LiabilityForFuturePolicyBenefitExpectedFuturePolicyBenefitBeforeReinsuranceAfterDiscountRateChange with value 2300000000 and preferred label http://www.xbrl.org/2003/role/periodStartLabel, was not shown because there are no facts in a duration starting at 2020-12-31. Change the preferred label role or add facts.</Log>
    <Log type="Warning">[rq-2602-Instant-Without-Matching-Duration] In ''LIABILITIES FOR FUTURE POLICYHOLDER BENEFITS - Policyholder Account Balance (Details)'', fact us-gaap:LiabilityForFuturePolicyBenefitExpectedFuturePolicyBenefitBeforeReinsuranceAfterDiscountRateChange with value 3407000000 and preferred label http://www.xbrl.org/2003/role/periodStartLabel, was not shown because there are no facts in a duration starting at 2020-12-31. Change the preferred label role or add facts.</Log>
    <Log type="Warning">[rq-2602-Instant-Without-Matching-Duration] In ''LIABILITIES FOR FUTURE POLICYHOLDER BENEFITS - Policyholder Account Balance (Details)'', fact us-gaap:LiabilityForFuturePolicyBenefitExpectedFuturePolicyBenefitBeforeReinsuranceAfterDiscountRateChange with value 3047000000 and preferred label http://www.xbrl.org/2003/role/periodStartLabel, was not shown because there are no facts in a duration starting at 2020-12-31. Change the preferred label role or add facts.</Log>
    <Log type="Warning">[rq-2602-Instant-Without-Matching-Duration] In ''LIABILITIES FOR FUTURE POLICYHOLDER BENEFITS - Policyholder Account Balance (Details)'', fact us-gaap:LiabilityForFuturePolicyBenefitExpectedFuturePolicyBenefitBeforeReinsuranceAfterDiscountRateChange with value 780000000 and preferred label http://www.xbrl.org/2003/role/periodEndLabel, was not shown because there are no facts in a duration ending at 2020-12-31. Change the preferred label role or add facts.</Log>
    <Log type="Warning">[rq-2602-Instant-Without-Matching-Duration] In ''LIABILITIES FOR FUTURE POLICYHOLDER BENEFITS - Policyholder Account Balance (Details)'', fact us-gaap:LiabilityForFuturePolicyBenefitExpectedFuturePolicyBenefitBeforeReinsuranceAfterDiscountRateChange with value 7333000000 and preferred label http://www.xbrl.org/2003/role/periodStartLabel, was not shown because there are no facts in a duration starting at 2020-12-31. Change the preferred label role or add facts.</Log>
    <Log type="Warning">[rq-2602-Instant-Without-Matching-Duration] In ''LIABILITIES FOR FUTURE POLICYHOLDER BENEFITS - Policyholder Account Balance (Details)'', fact us-gaap:LiabilityForFuturePolicyBenefitExpectedFuturePolicyBenefitBeforeReinsuranceAfterDiscountRateChange with value 780000000 and preferred label http://www.xbrl.org/2003/role/periodStartLabel, was not shown because there are no facts in a duration starting at 2020-12-31. Change the preferred label role or add facts.</Log>
    <Log type="Warning">[rq-2602-Instant-Without-Matching-Duration] In ''LIABILITIES FOR FUTURE POLICYHOLDER BENEFITS - Policyholder Account Balance (Details)'', fact us-gaap:LiabilityForFuturePolicyBenefitExpectedFuturePolicyBenefitBeforeReinsuranceAfterDiscountRateChange with value 771000000 and preferred label http://www.xbrl.org/2003/role/periodStartLabel, was not shown because there are no facts in a duration starting at 2020-12-31. Change the preferred label role or add facts.</Log>
    <Log type="Warning">[rq-2602-Instant-Without-Matching-Duration] In ''LIABILITIES FOR FUTURE POLICYHOLDER BENEFITS - Policyholder Account Balance (Details)'', fact us-gaap:LiabilityForFuturePolicyBenefitExpectedFuturePolicyBenefitBeforeReinsuranceAfterDiscountRateChange with value 3407000000 and preferred label http://www.xbrl.org/2003/role/periodEndLabel, was not shown because there are no facts in a duration ending at 2020-12-31. Change the preferred label role or add facts.</Log>
    <Log type="Warning">[rq-2602-Instant-Without-Matching-Duration] In ''LIABILITIES FOR FUTURE POLICYHOLDER BENEFITS - Policyholder Account Balance (Details)'', fact us-gaap:LiabilityForFuturePolicyBenefitExpectedFuturePolicyBenefitBeforeReinsuranceAfterDiscountRateChange with value 771000000 and preferred label http://www.xbrl.org/2003/role/periodEndLabel, was not shown because there are no facts in a duration ending at 2020-12-31. Change the preferred label role or add facts.</Log>
    <Log type="Warning">[rq-2602-Instant-Without-Matching-Duration] In ''LIABILITIES FOR FUTURE POLICYHOLDER BENEFITS - Policyholder Account Balance (Details)'', fact us-gaap:LiabilityForFuturePolicyBenefitExpectedFuturePolicyBenefitBeforeReinsuranceAfterDiscountRateChange with value 2100000000 and preferred label http://www.xbrl.org/2003/role/periodEndLabel, was not shown because there are no facts in a duration ending at 2020-12-31. Change the preferred label role or add facts.</Log>
    <Log type="Warning">[rq-2602-Instant-Without-Matching-Duration] In ''LIABILITIES FOR FUTURE POLICYHOLDER BENEFITS - Policyholder Account Balance (Details)'', fact us-gaap:LiabilityForFuturePolicyBenefitExpectedFuturePolicyBenefitBeforeReinsuranceAfterDiscountRateChange with value 3047000000 and preferred label http://www.xbrl.org/2003/role/periodEndLabel, was not shown because there are no facts in a duration ending at 2020-12-31. Change the preferred label role or add facts.</Log>
    <Log type="Warning">[rq-2602-Instant-Without-Matching-Duration] In ''LIABILITIES FOR FUTURE POLICYHOLDER BENEFITS - Policyholder Account Balance (Details)'', fact us-gaap:LiabilityForFuturePolicyBenefitExpectedFuturePolicyBenefitBeforeReinsuranceAfterDiscountRateChange with value 2300000000 and preferred label http://www.xbrl.org/2003/role/periodEndLabel, was not shown because there are no facts in a duration ending at 2020-12-31. Change the preferred label role or add facts.</Log>
    <Log type="Warning">[rq-2602-Instant-Without-Matching-Duration] In ''LIABILITIES FOR FUTURE POLICYHOLDER BENEFITS - Policyholder Account Balance (Details)'', fact us-gaap:LiabilityForFuturePolicyBenefitExpectedFuturePolicyBenefitBeforeReinsuranceAfterDiscountRateChange with value 1974000000 and preferred label http://www.xbrl.org/2003/role/periodStartLabel, was not shown because there are no facts in a duration starting at 2020-12-31. Change the preferred label role or add facts.</Log>
    <Log type="Warning">[rq-2602-Instant-Without-Matching-Duration] In ''LIABILITIES FOR FUTURE POLICYHOLDER BENEFITS - Policyholder Account Balance (Details)'', fact us-gaap:LiabilityForFuturePolicyBenefitExpectedFuturePolicyBenefitBeforeReinsuranceAfterDiscountRateChange with value 1415000000 and preferred label http://www.xbrl.org/2003/role/periodStartLabel, was not shown because there are no facts in a duration starting at 2020-12-31. Change the preferred label role or add facts.</Log>
    <Log type="Warning">[rq-2602-Instant-Without-Matching-Duration] In ''LIABILITIES FOR FUTURE POLICYHOLDER BENEFITS - Policyholder Account Balance (Details)'', fact us-gaap:LiabilityForFuturePolicyBenefitExpectedFuturePolicyBenefitBeforeReinsuranceAfterDiscountRateChange with value 1974000000 and preferred label http://www.xbrl.org/2003/role/periodEndLabel, was not shown because there are no facts in a duration ending at 2020-12-31. Change the preferred label role or add facts.</Log>
    <Log type="Warning">[rq-2602-Instant-Without-Matching-Duration] In ''LIABILITIES FOR FUTURE POLICYHOLDER BENEFITS - Policyholder Account Balance (Details)'', fact us-gaap:LiabilityForFuturePolicyBenefitExpectedFuturePolicyBenefitBeforeReinsuranceAfterDiscountRateChange with value 7333000000 and preferred label http://www.xbrl.org/2003/role/periodEndLabel, was not shown because there are no facts in a duration ending at 2020-12-31. Change the preferred label role or add facts.</Log>
    <Log type="Warning">[rq-2602-Instant-Without-Matching-Duration] In ''LIABILITIES FOR FUTURE POLICYHOLDER BENEFITS - Balances of and Changes in Additional Liabilities Related to Insurance Guarantees (Details)'', fact us-gaap:LiabilityForFuturePolicyBenefitExpectedFuturePolicyBenefitBeforeReinsuranceAfterDiscountRateChange with value 771000000 and preferred label http://www.xbrl.org/2003/role/periodStartLabel, was not shown because there are no facts in a duration starting at 2020-12-31. Change the preferred label role or add facts.</Log>
    <Log type="Warning">[rq-2602-Instant-Without-Matching-Duration] In ''LIABILITIES FOR FUTURE POLICYHOLDER BENEFITS - Balances of and Changes in Additional Liabilities Related to Insurance Guarantees (Details)'', fact us-gaap:LiabilityForFuturePolicyBenefitExpectedFuturePolicyBenefitBeforeReinsuranceAfterDiscountRateChange with value 7333000000 and preferred label http://www.xbrl.org/2003/role/periodEndLabel, was not shown because there are no facts in a duration ending at 2020-12-31. Change the preferred label role or add facts.</Log>
    <Log type="Warning">[rq-2602-Instant-Without-Matching-Duration] In ''LIABILITIES FOR FUTURE POLICYHOLDER BENEFITS - Balances of and Changes in Additional Liabilities Related to Insurance Guarantees (Details)'', fact us-gaap:LiabilityForFuturePolicyBenefitExpectedFuturePolicyBenefitBeforeReinsuranceAfterDiscountRateChange with value 1974000000 and preferred label http://www.xbrl.org/2003/role/periodStartLabel, was not shown because there are no facts in a duration starting at 2020-12-31. Change the preferred label role or add facts.</Log>
    <Log type="Warning">[rq-2602-Instant-Without-Matching-Duration] In ''LIABILITIES FOR FUTURE POLICYHOLDER BENEFITS - Balances of and Changes in Additional Liabilities Related to Insurance Guarantees (Details)'', fact us-gaap:LiabilityForFuturePolicyBenefitExpectedFuturePolicyBenefitBeforeReinsuranceAfterDiscountRateChange with value 3407000000 and preferred label http://www.xbrl.org/2003/role/periodEndLabel, was not shown because there are no facts in a duration ending at 2020-12-31. Change the preferred label role or add facts.</Log>
    <Log type="Warning">[rq-2602-Instant-Without-Matching-Duration] In ''LIABILITIES FOR FUTURE POLICYHOLDER BENEFITS - Balances of and Changes in Additional Liabilities Related to Insurance Guarantees (Details)'', fact us-gaap:LiabilityForFuturePolicyBenefitExpectedFuturePolicyBenefitBeforeReinsuranceAfterDiscountRateChange with value 771000000 and preferred label http://www.xbrl.org/2003/role/periodEndLabel, was not shown because there are no facts in a duration ending at 2020-12-31. Change the preferred label role or add facts.</Log>
    <Log type="Warning">[rq-2602-Instant-Without-Matching-Duration] In ''LIABILITIES FOR FUTURE POLICYHOLDER BENEFITS - Balances of and Changes in Additional Liabilities Related to Insurance Guarantees (Details)'', fact us-gaap:LiabilityForFuturePolicyBenefitExpectedFuturePolicyBenefitBeforeReinsuranceAfterDiscountRateChange with value 1415000000 and preferred label http://www.xbrl.org/2003/role/periodEndLabel, was not shown because there are no facts in a duration ending at 2020-12-31. Change the preferred label role or add facts.</Log>
    <Log type="Warning">[rq-2602-Instant-Without-Matching-Duration] In ''LIABILITIES FOR FUTURE POLICYHOLDER BENEFITS - Balances of and Changes in Additional Liabilities Related to Insurance Guarantees (Details)'', fact us-gaap:LiabilityForFuturePolicyBenefitExpectedFuturePolicyBenefitBeforeReinsuranceAfterDiscountRateChange with value 2300000000 and preferred label http://www.xbrl.org/2003/role/periodStartLabel, was not shown because there are no facts in a duration starting at 2020-12-31. Change the preferred label role or add facts.</Log>
    <Log type="Warning">[rq-2602-Instant-Without-Matching-Duration] In ''LIABILITIES FOR FUTURE POLICYHOLDER BENEFITS - Balances of and Changes in Additional Liabilities Related to Insurance Guarantees (Details)'', fact us-gaap:LiabilityForFuturePolicyBenefitExpectedFuturePolicyBenefitBeforeReinsuranceAfterDiscountRateChange with value 3047000000 and preferred label http://www.xbrl.org/2003/role/periodStartLabel, was not shown because there are no facts in a duration starting at 2020-12-31. Change the preferred label role or add facts.</Log>
    <Log type="Warning">[rq-2602-Instant-Without-Matching-Duration] In ''LIABILITIES FOR FUTURE POLICYHOLDER BENEFITS - Balances of and Changes in Additional Liabilities Related to Insurance Guarantees (Details)'', fact us-gaap:LiabilityForFuturePolicyBenefitExpectedFuturePolicyBenefitBeforeReinsuranceAfterDiscountRateChange with value 1974000000 and preferred label http://www.xbrl.org/2003/role/periodEndLabel, was not shown because there are no facts in a duration ending at 2020-12-31. Change the preferred label role or add facts.</Log>
    <Log type="Warning">[rq-2602-Instant-Without-Matching-Duration] In ''LIABILITIES FOR FUTURE POLICYHOLDER BENEFITS - Balances of and Changes in Additional Liabilities Related to Insurance Guarantees (Details)'', fact us-gaap:LiabilityForFuturePolicyBenefitExpectedFuturePolicyBenefitBeforeReinsuranceAfterDiscountRateChange with value 780000000 and preferred label http://www.xbrl.org/2003/role/periodStartLabel, was not shown because there are no facts in a duration starting at 2020-12-31. Change the preferred label role or add facts.</Log>
    <Log type="Warning">[rq-2602-Instant-Without-Matching-Duration] In ''LIABILITIES FOR FUTURE POLICYHOLDER BENEFITS - Balances of and Changes in Additional Liabilities Related to Insurance Guarantees (Details)'', fact us-gaap:LiabilityForFuturePolicyBenefitExpectedFuturePolicyBenefitBeforeReinsuranceAfterDiscountRateChange with value 780000000 and preferred label http://www.xbrl.org/2003/role/periodEndLabel, was not shown because there are no facts in a duration ending at 2020-12-31. Change the preferred label role or add facts.</Log>
    <Log type="Warning">[rq-2602-Instant-Without-Matching-Duration] In ''LIABILITIES FOR FUTURE POLICYHOLDER BENEFITS - Balances of and Changes in Additional Liabilities Related to Insurance Guarantees (Details)'', fact us-gaap:LiabilityForFuturePolicyBenefitExpectedFuturePolicyBenefitBeforeReinsuranceAfterDiscountRateChange with value 7333000000 and preferred label http://www.xbrl.org/2003/role/periodStartLabel, was not shown because there are no facts in a duration starting at 2020-12-31. Change the preferred label role or add facts.</Log>
    <Log type="Warning">[rq-2602-Instant-Without-Matching-Duration] In ''LIABILITIES FOR FUTURE POLICYHOLDER BENEFITS - Balances of and Changes in Additional Liabilities Related to Insurance Guarantees (Details)'', fact us-gaap:LiabilityForFuturePolicyBenefitExpectedFuturePolicyBenefitBeforeReinsuranceAfterDiscountRateChange with value 3047000000 and preferred label http://www.xbrl.org/2003/role/periodEndLabel, was not shown because there are no facts in a duration ending at 2020-12-31. Change the preferred label role or add facts.</Log>
    <Log type="Warning">[rq-2602-Instant-Without-Matching-Duration] In ''LIABILITIES FOR FUTURE POLICYHOLDER BENEFITS - Balances of and Changes in Additional Liabilities Related to Insurance Guarantees (Details)'', fact us-gaap:LiabilityForFuturePolicyBenefitExpectedFuturePolicyBenefitBeforeReinsuranceAfterDiscountRateChange with value 3407000000 and preferred label http://www.xbrl.org/2003/role/periodStartLabel, was not shown because there are no facts in a duration starting at 2020-12-31. Change the preferred label role or add facts.</Log>
    <Log type="Warning">[rq-2602-Instant-Without-Matching-Duration] In ''LIABILITIES FOR FUTURE POLICYHOLDER BENEFITS - Balances of and Changes in Additional Liabilities Related to Insurance Guarantees (Details)'', fact us-gaap:LiabilityForFuturePolicyBenefitExpectedFuturePolicyBenefitBeforeReinsuranceAfterDiscountRateChange with value 2300000000 and preferred label http://www.xbrl.org/2003/role/periodEndLabel, was not shown because there are no facts in a duration ending at 2020-12-31. Change the preferred label role or add facts.</Log>
    <Log type="Warning">[rq-2602-Instant-Without-Matching-Duration] In ''LIABILITIES FOR FUTURE POLICYHOLDER BENEFITS - Balances of and Changes in Additional Liabilities Related to Insurance Guarantees (Details)'', fact us-gaap:LiabilityForFuturePolicyBenefitExpectedFuturePolicyBenefitBeforeReinsuranceAfterDiscountRateChange with value 1415000000 and preferred label http://www.xbrl.org/2003/role/periodStartLabel, was not shown because there are no facts in a duration starting at 2020-12-31. Change the preferred label role or add facts.</Log>
    <Log type="Warning">[rq-2602-Instant-Without-Matching-Duration] In ''LIABILITIES FOR FUTURE POLICYHOLDER BENEFITS - Balances of and Changes in Additional Liabilities Related to Insurance Guarantees (Details)'', fact us-gaap:LiabilityForFuturePolicyBenefitExpectedFuturePolicyBenefitBeforeReinsuranceAfterDiscountRateChange with value 2100000000 and preferred label http://www.xbrl.org/2003/role/periodStartLabel, was not shown because there are no facts in a duration starting at 2020-12-31. Change the preferred label role or add facts.</Log>
    <Log type="Warning">[rq-2602-Instant-Without-Matching-Duration] In ''LIABILITIES FOR FUTURE POLICYHOLDER BENEFITS - Balances of and Changes in Additional Liabilities Related to Insurance Guarantees (Details)'', fact us-gaap:LiabilityForFuturePolicyBenefitExpectedFuturePolicyBenefitBeforeReinsuranceAfterDiscountRateChange with value 2100000000 and preferred label http://www.xbrl.org/2003/role/periodEndLabel, was not shown because there are no facts in a duration ending at 2020-12-31. Change the preferred label role or add facts.</Log>
  </Logs>
  <InputFiles>
    <File doctype="10-Q" original="efl-20230331.htm">efl-20230331.htm</File>
    <File>efl-03312023exhibit311.htm</File>
    <File>efl-03312023exhibit312.htm</File>
    <File>efl-03312023exhibit321.htm</File>
    <File>efl-03312023exhibit322.htm</File>
    <File>efl-20230331.xsd</File>
    <File>efl-20230331_cal.xml</File>
    <File>efl-20230331_def.xml</File>
    <File>efl-20230331_lab.xml</File>
    <File>efl-20230331_pre.xml</File>
  </InputFiles>
  <SupplementalFiles>
    <File>efl-20230331_g1.jpg</File>
  </SupplementalFiles>
  <BaseTaxonomies>
    <BaseTaxonomy items="3">http://fasb.org/srt/2022</BaseTaxonomy>
    <BaseTaxonomy items="3455">http://fasb.org/us-gaap/2022</BaseTaxonomy>
    <BaseTaxonomy items="26">http://xbrl.sec.gov/dei/2022</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
