<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.26.1</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>37</ContextCount>
  <ElementCount>33</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>false</FootnotesReported>
  <SegmentCount>11</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>2</UnitCount>
  <MyReports>
    <Report instance="ny20061068x1_def14a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>995100 - Document - Cover</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://xbrl.sec.gov/dei/role/document/Cover</Role>
      <ShortName>Cover</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report instance="ny20061068x1_def14a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>995410 - Disclosure - Pay vs Performance Disclosure</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://xbrl.sec.gov/ecd/role/PvpDisclosure</Role>
      <ShortName>Pay vs Performance Disclosure</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>2</Position>
    </Report>
    <Report instance="ny20061068x1_def14a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>995443 - Disclosure - Award Timing Disclosure</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure</Role>
      <ShortName>Award Timing Disclosure</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>3</Position>
    </Report>
    <Report instance="ny20061068x1_def14a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>995447 - Disclosure - Insider Trading Policies and Procedures</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://xbrl.sec.gov/ecd/role/InsiderTradingPoliciesProc</Role>
      <ShortName>Insider Trading Policies and Procedures</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>4</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <InputFiles>
    <File>crbg-20260916.xsd</File>
    <File>crbg-20260916_def.xml</File>
    <File>crbg-20260916_lab.xml</File>
    <File>crbg-20260916_pre.xml</File>
    <File doctype="DEF 14A" isProxy="true" isUsgaap="true" original="ny20061068x1_def14a.htm">ny20061068x1_def14a.htm</File>
  </InputFiles>
  <SupplementalFiles>
    <File>logo_corebridge.jpg</File>
    <File>ny20041938x1_board.jpg</File>
    <File>ny20041938x1_chair.jpg</File>
    <File>ny20041938x1_checkmark.jpg</File>
    <File>ny20041938x1_checkmark2.jpg</File>
    <File>ny20041938x1_email.jpg</File>
    <File>ny20041938x1_financial.jpg</File>
    <File>ny20041938x1_member.jpg</File>
    <File>ny20041938x1_propcheck.jpg</File>
    <File>ny20041938x1_singlearrow.jpg</File>
    <File>ny20061068x1_acolberg.jpg</File>
    <File>ny20061068x1_acolbergx1.jpg</File>
    <File>ny20061068x1_acolbergx2.jpg</File>
    <File>ny20061068x1_arrows.jpg</File>
    <File>ny20061068x1_aschioldager.jpg</File>
    <File>ny20061068x1_aschioldagx1.jpg</File>
    <File>ny20061068x1_bcv.jpg</File>
    <File>ny20061068x1_bigarrows.jpg</File>
    <File>ny20061068x1_ceo1.jpg</File>
    <File>ny20061068x1_clynch.jpg</File>
    <File>ny20061068x1_clynchx1.jpg</File>
    <File>ny20061068x1_cov.jpg</File>
    <File>ny20061068x1_cparrisx1.jpg</File>
    <File>ny20061068x1_cparrisx2.jpg</File>
    <File>ny20061068x1_date.jpg</File>
    <File>ny20061068x1_diversityx1.jpg</File>
    <File>ny20061068x1_dleone.jpg</File>
    <File>ny20061068x1_dleonex1.jpg</File>
    <File>ny20061068x1_ebousa.jpg</File>
    <File>ny20061068x1_ebousax1.jpg</File>
    <File>ny20061068x1_formula.jpg</File>
    <File>ny20061068x1_gdellaert.jpg</File>
    <File>ny20061068x1_gdellaertx1.jpg</File>
    <File>ny20061068x1_graphic01x1.jpg</File>
    <File>ny20061068x1_graphic04a.jpg</File>
    <File>ny20061068x1_hirotaka.jpg</File>
    <File>ny20061068x1_hirotakax1.jpg</File>
    <File>ny20061068x1_icon1.jpg</File>
    <File>ny20061068x1_icon10.jpg</File>
    <File>ny20061068x1_icon10b.jpg</File>
    <File>ny20061068x1_icon10bx1.jpg</File>
    <File>ny20061068x1_icon1b.jpg</File>
    <File>ny20061068x1_icon1bx1.jpg</File>
    <File>ny20061068x1_icon2.jpg</File>
    <File>ny20061068x1_icon2b.jpg</File>
    <File>ny20061068x1_icon2bx1.jpg</File>
    <File>ny20061068x1_icon3.jpg</File>
    <File>ny20061068x1_icon3b.jpg</File>
    <File>ny20061068x1_icon3bx1.jpg</File>
    <File>ny20061068x1_icon4.jpg</File>
    <File>ny20061068x1_icon4b.jpg</File>
    <File>ny20061068x1_icon4bx1.jpg</File>
    <File>ny20061068x1_icon5.jpg</File>
    <File>ny20061068x1_icon5b.jpg</File>
    <File>ny20061068x1_icon5bx1.jpg</File>
    <File>ny20061068x1_icon6.jpg</File>
    <File>ny20061068x1_icon6b.jpg</File>
    <File>ny20061068x1_icon6bx1.jpg</File>
    <File>ny20061068x1_icon7.jpg</File>
    <File>ny20061068x1_icon7b.jpg</File>
    <File>ny20061068x1_icon7bx1.jpg</File>
    <File>ny20061068x1_icon8.jpg</File>
    <File>ny20061068x1_icon8b.jpg</File>
    <File>ny20061068x1_icon8bx1.jpg</File>
    <File>ny20061068x1_icon9.jpg</File>
    <File>ny20061068x1_icon9b.jpg</File>
    <File>ny20061068x1_icon9bx1.jpg</File>
    <File>ny20061068x1_key.jpg</File>
    <File>ny20061068x1_kgubbay.jpg</File>
    <File>ny20061068x1_kgubbayx1.jpg</File>
    <File>ny20061068x1_location.jpg</File>
    <File>ny20061068x1_mail.jpg</File>
    <File>ny20061068x1_mconstantix3.jpg</File>
    <File>ny20061068x1_mconstantix4.jpg</File>
    <File>ny20061068x1_mconstantix5.jpg</File>
    <File>ny20061068x1_neo1.jpg</File>
    <File>ny20061068x1_pc01.jpg</File>
    <File>ny20061068x1_pc02.jpg</File>
    <File>ny20061068x1_piecharts.jpg</File>
    <File>ny20061068x1_propcheck.jpg</File>
    <File>ny20061068x1_pvp01.jpg</File>
    <File>ny20061068x1_pvp02.jpg</File>
    <File>ny20061068x1_pvp03x1.jpg</File>
    <File>ny20061068x1_record.jpg</File>
    <File>ny20061068x1_segments.jpg</File>
    <File>ny20061068x1_signature.jpg</File>
    <File>ny20061068x1_takeaction.jpg</File>
    <File>ny20061068x1_time1.jpg</File>
    <File>ny20061068x1_time2.jpg</File>
    <File>ny20061068x1_time3.jpg</File>
    <File>ny20061068x1_time4.jpg</File>
    <File>ny20061068x1_yao.jpg</File>
    <File>ny20061068x1_yaox1.jpg</File>
    <File>sig_jeannettepina.jpg</File>
    <File>sig_marccostantini.jpg</File>
  </SupplementalFiles>
  <BaseTaxonomies>
    <BaseTaxonomy items="4">http://fasb.org/us-gaap/2026</BaseTaxonomy>
    <BaseTaxonomy items="4">http://xbrl.sec.gov/dei/2026</BaseTaxonomy>
    <BaseTaxonomy items="88">http://xbrl.sec.gov/ecd/2026</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>false</HasCalculationLinkbase>
</FilingSummary>
