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

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2025 Workiva-->
<!--r:47c9b70f-30fa-4704-9f24-a594a309480a,g:73afbd39-0f8e-4804-b24c-8e84e52718cf-->
<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.aigcorporate.com/role/CoverPage" xlink:type="simple" xlink:href="aig-20250514.xsd#CoverPage"/>
  <link:definitionLink xlink:role="http://www.aigcorporate.com/role/CoverPage" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentInformationLineItems_8f1df64c-2ab8-4d57-b143-84c71f4e4c7a" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_DocumentInformationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentInformationTable_22bcdc0f-4531-42a5-b7bf-66f78c7abae0" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_DocumentInformationTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_dei_DocumentInformationLineItems_8f1df64c-2ab8-4d57-b143-84c71f4e4c7a" xlink:to="loc_dei_DocumentInformationTable_22bcdc0f-4531-42a5-b7bf-66f78c7abae0" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_f40c62d2-5445-439e-8219-258d0b4566c2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_dei_DocumentInformationTable_22bcdc0f-4531-42a5-b7bf-66f78c7abae0" xlink:to="loc_us-gaap_StatementClassOfStockAxis_f40c62d2-5445-439e-8219-258d0b4566c2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_f40c62d2-5445-439e-8219-258d0b4566c2_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_f40c62d2-5445-439e-8219-258d0b4566c2" xlink:to="loc_us-gaap_ClassOfStockDomain_f40c62d2-5445-439e-8219-258d0b4566c2_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_0352202f-8af6-49cd-a4b5-0a3fbd1783e7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_f40c62d2-5445-439e-8219-258d0b4566c2" xlink:to="loc_us-gaap_ClassOfStockDomain_0352202f-8af6-49cd-a4b5-0a3fbd1783e7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockMember_df142d83-b4cf-451b-a405-67a042faf3a9" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommonStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_0352202f-8af6-49cd-a4b5-0a3fbd1783e7" xlink:to="loc_us-gaap_CommonStockMember_df142d83-b4cf-451b-a405-67a042faf3a9" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_aig_JuniorSubordinatedDebentures4875PercentSeriesA3Member_64589956-292b-4af0-bfd7-49f8647b7e88" xlink:href="aig-20250514.xsd#aig_JuniorSubordinatedDebentures4875PercentSeriesA3Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_0352202f-8af6-49cd-a4b5-0a3fbd1783e7" xlink:to="loc_aig_JuniorSubordinatedDebentures4875PercentSeriesA3Member_64589956-292b-4af0-bfd7-49f8647b7e88" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType_0b143167-1405-4a76-b379-4defb1ee5d88" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_DocumentType"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_8f1df64c-2ab8-4d57-b143-84c71f4e4c7a" xlink:to="loc_dei_DocumentType_0b143167-1405-4a76-b379-4defb1ee5d88" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentPeriodEndDate_81177688-a9c1-4c69-b6d0-0d3bd07fae82" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_DocumentPeriodEndDate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_8f1df64c-2ab8-4d57-b143-84c71f4e4c7a" xlink:to="loc_dei_DocumentPeriodEndDate_81177688-a9c1-4c69-b6d0-0d3bd07fae82" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName_26581d62-87ee-4f17-b2a6-082581d42826" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityRegistrantName"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_8f1df64c-2ab8-4d57-b143-84c71f4e4c7a" xlink:to="loc_dei_EntityRegistrantName_26581d62-87ee-4f17-b2a6-082581d42826" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityIncorporationStateCountryCode_9cf6f708-8ffe-4bbf-94f1-f6689d3bc962" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityIncorporationStateCountryCode"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_8f1df64c-2ab8-4d57-b143-84c71f4e4c7a" xlink:to="loc_dei_EntityIncorporationStateCountryCode_9cf6f708-8ffe-4bbf-94f1-f6689d3bc962" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFileNumber_b5f58e00-4f0d-4950-bdf1-4dfd5edea2ce" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityFileNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_8f1df64c-2ab8-4d57-b143-84c71f4e4c7a" xlink:to="loc_dei_EntityFileNumber_b5f58e00-4f0d-4950-bdf1-4dfd5edea2ce" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityTaxIdentificationNumber_b84487f6-6b6f-4a01-8e52-e6fdf2ec83c6" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityTaxIdentificationNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_8f1df64c-2ab8-4d57-b143-84c71f4e4c7a" xlink:to="loc_dei_EntityTaxIdentificationNumber_b84487f6-6b6f-4a01-8e52-e6fdf2ec83c6" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine1_3fc9aba6-0c1c-431c-a88b-57aadfd09348" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityAddressAddressLine1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_8f1df64c-2ab8-4d57-b143-84c71f4e4c7a" xlink:to="loc_dei_EntityAddressAddressLine1_3fc9aba6-0c1c-431c-a88b-57aadfd09348" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressCityOrTown_fea75714-189f-475a-bc08-e52fadf48e82" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityAddressCityOrTown"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_8f1df64c-2ab8-4d57-b143-84c71f4e4c7a" xlink:to="loc_dei_EntityAddressCityOrTown_fea75714-189f-475a-bc08-e52fadf48e82" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressStateOrProvince_492a9346-90cd-4ddc-9b56-705c77e12d52" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityAddressStateOrProvince"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_8f1df64c-2ab8-4d57-b143-84c71f4e4c7a" xlink:to="loc_dei_EntityAddressStateOrProvince_492a9346-90cd-4ddc-9b56-705c77e12d52" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressPostalZipCode_a0a60188-9ac1-4f4a-b844-43f9f5292e15" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityAddressPostalZipCode"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_8f1df64c-2ab8-4d57-b143-84c71f4e4c7a" xlink:to="loc_dei_EntityAddressPostalZipCode_a0a60188-9ac1-4f4a-b844-43f9f5292e15" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CityAreaCode_0c4d0a02-7a54-47a1-a52e-23e18b1b6514" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_CityAreaCode"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_8f1df64c-2ab8-4d57-b143-84c71f4e4c7a" xlink:to="loc_dei_CityAreaCode_0c4d0a02-7a54-47a1-a52e-23e18b1b6514" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LocalPhoneNumber_671cd4f8-cd8b-4d02-908c-be15c93a0159" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_LocalPhoneNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_8f1df64c-2ab8-4d57-b143-84c71f4e4c7a" xlink:to="loc_dei_LocalPhoneNumber_671cd4f8-cd8b-4d02-908c-be15c93a0159" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_WrittenCommunications_8646d591-962f-4356-952c-dcd9dd129a74" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_WrittenCommunications"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_8f1df64c-2ab8-4d57-b143-84c71f4e4c7a" xlink:to="loc_dei_WrittenCommunications_8646d591-962f-4356-952c-dcd9dd129a74" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SolicitingMaterial_cd43cabd-fc49-4ef8-88bc-465e9b888380" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_SolicitingMaterial"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_8f1df64c-2ab8-4d57-b143-84c71f4e4c7a" xlink:to="loc_dei_SolicitingMaterial_cd43cabd-fc49-4ef8-88bc-465e9b888380" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementTenderOffer_95e9798c-e697-49a4-bd39-bae8dd87dace" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_PreCommencementTenderOffer"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_8f1df64c-2ab8-4d57-b143-84c71f4e4c7a" xlink:to="loc_dei_PreCommencementTenderOffer_95e9798c-e697-49a4-bd39-bae8dd87dace" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementIssuerTenderOffer_88be90e6-4262-463e-92f5-b28905a622da" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_PreCommencementIssuerTenderOffer"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_8f1df64c-2ab8-4d57-b143-84c71f4e4c7a" xlink:to="loc_dei_PreCommencementIssuerTenderOffer_88be90e6-4262-463e-92f5-b28905a622da" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_Security12bTitle_cedc3cb4-c90a-4e0f-a44a-1ddc4258b2fc" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_Security12bTitle"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_8f1df64c-2ab8-4d57-b143-84c71f4e4c7a" xlink:to="loc_dei_Security12bTitle_cedc3cb4-c90a-4e0f-a44a-1ddc4258b2fc" xlink:type="arc" order="16"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_TradingSymbol_ba5e674e-a14b-49e7-ad0b-c2b908bb02cb" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_TradingSymbol"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_8f1df64c-2ab8-4d57-b143-84c71f4e4c7a" xlink:to="loc_dei_TradingSymbol_ba5e674e-a14b-49e7-ad0b-c2b908bb02cb" xlink:type="arc" order="17"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SecurityExchangeName_b41946b8-6817-4a31-8c36-a53f3b412905" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_SecurityExchangeName"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_8f1df64c-2ab8-4d57-b143-84c71f4e4c7a" xlink:to="loc_dei_SecurityExchangeName_b41946b8-6817-4a31-8c36-a53f3b412905" xlink:type="arc" order="18"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityEmergingGrowthCompany_654f1f93-73cd-476c-9bb8-465fb25ba400" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityEmergingGrowthCompany"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_8f1df64c-2ab8-4d57-b143-84c71f4e4c7a" xlink:to="loc_dei_EntityEmergingGrowthCompany_654f1f93-73cd-476c-9bb8-465fb25ba400" xlink:type="arc" order="19"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag_511290f0-22e1-4c4f-b3a0-74466fa3ca5a" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_AmendmentFlag"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_8f1df64c-2ab8-4d57-b143-84c71f4e4c7a" xlink:to="loc_dei_AmendmentFlag_511290f0-22e1-4c4f-b3a0-74466fa3ca5a" xlink:type="arc" order="20"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey_82e11a4f-8161-47a3-aa16-7ea5cabd0a7c" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityCentralIndexKey"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_8f1df64c-2ab8-4d57-b143-84c71f4e4c7a" xlink:to="loc_dei_EntityCentralIndexKey_82e11a4f-8161-47a3-aa16-7ea5cabd0a7c" xlink:type="arc" order="21"/>
  </link:definitionLink>
</link:linkbase>
