<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:01a000d4-3538-7224-97ed-583c49a23342,g:df4ad619-cd5e-4cd5-882d-4b094c763508-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/all" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member"/>
  <link:roleRef roleURI="http://www.corebridgefinancialinc.com/role/Cover" xlink:type="simple" xlink:href="crbg-20260817.xsd#Cover"/>
  <link:definitionLink xlink:role="http://www.corebridgefinancialinc.com/role/Cover" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentInformationLineItems_01a000d4-3538-79b8-a637-602df5c48544" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentInformationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_01a000d4-3538-7851-9276-5ded145a5bc6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_dei_DocumentInformationLineItems_01a000d4-3538-79b8-a637-602df5c48544" xlink:to="loc_us-gaap_StatementTable_01a000d4-3538-7851-9276-5ded145a5bc6" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_01a000d4-3538-7f87-bb49-80de65836d24" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_01a000d4-3538-7851-9276-5ded145a5bc6" xlink:to="loc_us-gaap_StatementClassOfStockAxis_01a000d4-3538-7f87-bb49-80de65836d24" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_01a000d4-3538-7f87-bb49-80de65836d24_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_01a000d4-3538-7f87-bb49-80de65836d24" xlink:to="loc_us-gaap_ClassOfStockDomain_01a000d4-3538-7f87-bb49-80de65836d24_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_01a000d4-3538-7fd3-8aed-9ca57b702ba6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_01a000d4-3538-7f87-bb49-80de65836d24" xlink:to="loc_us-gaap_ClassOfStockDomain_01a000d4-3538-7fd3-8aed-9ca57b702ba6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockMember_01a000d4-3538-740f-8fe8-e35568df362a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_01a000d4-3538-7fd3-8aed-9ca57b702ba6" xlink:to="loc_us-gaap_CommonStockMember_01a000d4-3538-740f-8fe8-e35568df362a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_crbg_A6.375JuniorSubordinatedNotesDue2064Member_01a000d4-3538-76f3-b939-e487fd404226" xlink:href="crbg-20260817.xsd#crbg_A6.375JuniorSubordinatedNotesDue2064Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_01a000d4-3538-7fd3-8aed-9ca57b702ba6" xlink:to="loc_crbg_A6.375JuniorSubordinatedNotesDue2064Member_01a000d4-3538-76f3-b939-e487fd404226" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType_01a000d4-3538-76c7-a430-3c8319b29535" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentType"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_01a000d4-3538-79b8-a637-602df5c48544" xlink:to="loc_dei_DocumentType_01a000d4-3538-76c7-a430-3c8319b29535" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentPeriodEndDate_01a000d4-3538-7a2e-9606-681e12e8629e" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentPeriodEndDate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_01a000d4-3538-79b8-a637-602df5c48544" xlink:to="loc_dei_DocumentPeriodEndDate_01a000d4-3538-7a2e-9606-681e12e8629e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName_01a000d4-3538-7c88-b5c2-ebfe4503b45e" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityRegistrantName"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_01a000d4-3538-79b8-a637-602df5c48544" xlink:to="loc_dei_EntityRegistrantName_01a000d4-3538-7c88-b5c2-ebfe4503b45e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityIncorporationStateCountryCode_01a000d4-3538-7111-9093-41e720a03184" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityIncorporationStateCountryCode"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_01a000d4-3538-79b8-a637-602df5c48544" xlink:to="loc_dei_EntityIncorporationStateCountryCode_01a000d4-3538-7111-9093-41e720a03184" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFileNumber_01a000d4-3538-714e-aa93-26cca156be37" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityFileNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_01a000d4-3538-79b8-a637-602df5c48544" xlink:to="loc_dei_EntityFileNumber_01a000d4-3538-714e-aa93-26cca156be37" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityTaxIdentificationNumber_01a000d4-3538-7a91-9d85-307d6a1cc75a" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityTaxIdentificationNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_01a000d4-3538-79b8-a637-602df5c48544" xlink:to="loc_dei_EntityTaxIdentificationNumber_01a000d4-3538-7a91-9d85-307d6a1cc75a" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine1_01a000d4-3538-7011-beb4-7bffb945b79d" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressAddressLine1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_01a000d4-3538-79b8-a637-602df5c48544" xlink:to="loc_dei_EntityAddressAddressLine1_01a000d4-3538-7011-beb4-7bffb945b79d" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressCityOrTown_01a000d4-3538-76f1-a0f2-c6b9dd3731cd" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressCityOrTown"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_01a000d4-3538-79b8-a637-602df5c48544" xlink:to="loc_dei_EntityAddressCityOrTown_01a000d4-3538-76f1-a0f2-c6b9dd3731cd" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressStateOrProvince_01a000d4-3538-76e2-8a3b-f6cecbad6a6d" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressStateOrProvince"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_01a000d4-3538-79b8-a637-602df5c48544" xlink:to="loc_dei_EntityAddressStateOrProvince_01a000d4-3538-76e2-8a3b-f6cecbad6a6d" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressPostalZipCode_01a000d4-3538-7b82-8db9-c3d0fc328881" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressPostalZipCode"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_01a000d4-3538-79b8-a637-602df5c48544" xlink:to="loc_dei_EntityAddressPostalZipCode_01a000d4-3538-7b82-8db9-c3d0fc328881" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CityAreaCode_01a000d4-3538-735e-b780-f69a7fdb0776" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_CityAreaCode"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_01a000d4-3538-79b8-a637-602df5c48544" xlink:to="loc_dei_CityAreaCode_01a000d4-3538-735e-b780-f69a7fdb0776" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LocalPhoneNumber_01a000d4-3538-7f58-8230-c8a3048650b7" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_LocalPhoneNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_01a000d4-3538-79b8-a637-602df5c48544" xlink:to="loc_dei_LocalPhoneNumber_01a000d4-3538-7f58-8230-c8a3048650b7" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_WrittenCommunications_01a000d4-3538-7388-9ca1-6102b139d094" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_WrittenCommunications"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_01a000d4-3538-79b8-a637-602df5c48544" xlink:to="loc_dei_WrittenCommunications_01a000d4-3538-7388-9ca1-6102b139d094" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SolicitingMaterial_01a000d4-3538-754f-8219-0ee743014708" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_SolicitingMaterial"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_01a000d4-3538-79b8-a637-602df5c48544" xlink:to="loc_dei_SolicitingMaterial_01a000d4-3538-754f-8219-0ee743014708" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementTenderOffer_01a000d4-3538-7a0f-a317-50e3be82f23f" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_PreCommencementTenderOffer"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_01a000d4-3538-79b8-a637-602df5c48544" xlink:to="loc_dei_PreCommencementTenderOffer_01a000d4-3538-7a0f-a317-50e3be82f23f" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementIssuerTenderOffer_01a000d4-3538-777a-9fb6-9ef084b15991" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_PreCommencementIssuerTenderOffer"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_01a000d4-3538-79b8-a637-602df5c48544" xlink:to="loc_dei_PreCommencementIssuerTenderOffer_01a000d4-3538-777a-9fb6-9ef084b15991" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_Security12bTitle_01a000d4-3538-7b6c-abcc-ebf710bc770b" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_Security12bTitle"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_01a000d4-3538-79b8-a637-602df5c48544" xlink:to="loc_dei_Security12bTitle_01a000d4-3538-7b6c-abcc-ebf710bc770b" xlink:type="arc" order="16"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_TradingSymbol_01a000d4-3538-7389-8d82-0a21d729dd4e" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_TradingSymbol"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_01a000d4-3538-79b8-a637-602df5c48544" xlink:to="loc_dei_TradingSymbol_01a000d4-3538-7389-8d82-0a21d729dd4e" xlink:type="arc" order="17"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SecurityExchangeName_01a000d4-3538-713a-93e7-1ef8bdce60e0" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_SecurityExchangeName"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_01a000d4-3538-79b8-a637-602df5c48544" xlink:to="loc_dei_SecurityExchangeName_01a000d4-3538-713a-93e7-1ef8bdce60e0" xlink:type="arc" order="18"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityEmergingGrowthCompany_01a000d4-3538-775b-8a27-160abea5c2f9" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityEmergingGrowthCompany"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_01a000d4-3538-79b8-a637-602df5c48544" xlink:to="loc_dei_EntityEmergingGrowthCompany_01a000d4-3538-775b-8a27-160abea5c2f9" xlink:type="arc" order="19"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey_01a000d4-3538-76ee-b860-93c401947793" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityCentralIndexKey"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_01a000d4-3538-79b8-a637-602df5c48544" xlink:to="loc_dei_EntityCentralIndexKey_01a000d4-3538-76ee-b860-93c401947793" xlink:type="arc" order="20"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag_01a000d4-3538-705d-b60a-abf31511e28f" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_AmendmentFlag"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_01a000d4-3538-79b8-a637-602df5c48544" xlink:to="loc_dei_AmendmentFlag_01a000d4-3538-705d-b60a-abf31511e28f" xlink:type="arc" order="21"/>
  </link:definitionLink>
</link:linkbase>
