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

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2023 Workiva-->
<!--r:4bee302f-c78c-4724-a080-e5b06bea3068,g:2c4be57b-2915-4a37-bf0b-f7505f590d55-->
<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-20230801.xsd#CoverPage"/>
  <link:definitionLink xlink:role="http://www.aigcorporate.com/role/CoverPage" xlink:type="extended" id="ic65e591eeb444ede9f57538efdbdf24c_CoverPage">
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentInformationLineItems_92e021a1-4405-4e13-a9a7-2d066e3947ca" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_DocumentInformationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType_5deb7ed6-ea27-406d-9cf4-4dbd1315a7e5" 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_92e021a1-4405-4e13-a9a7-2d066e3947ca" xlink:to="loc_dei_DocumentType_5deb7ed6-ea27-406d-9cf4-4dbd1315a7e5" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentPeriodEndDate_d02598fb-a945-41fe-837d-a61360983562" 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_92e021a1-4405-4e13-a9a7-2d066e3947ca" xlink:to="loc_dei_DocumentPeriodEndDate_d02598fb-a945-41fe-837d-a61360983562" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName_2a29b959-0a06-4993-b42e-8a7a5a927e22" 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_92e021a1-4405-4e13-a9a7-2d066e3947ca" xlink:to="loc_dei_EntityRegistrantName_2a29b959-0a06-4993-b42e-8a7a5a927e22" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityIncorporationStateCountryCode_f90703a9-db41-496c-a1a2-cd80f78e7639" 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_92e021a1-4405-4e13-a9a7-2d066e3947ca" xlink:to="loc_dei_EntityIncorporationStateCountryCode_f90703a9-db41-496c-a1a2-cd80f78e7639" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFileNumber_a8a2ade1-12ba-4428-b3de-5acb3723ec41" 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_92e021a1-4405-4e13-a9a7-2d066e3947ca" xlink:to="loc_dei_EntityFileNumber_a8a2ade1-12ba-4428-b3de-5acb3723ec41" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityTaxIdentificationNumber_e047e495-e88d-4edb-a33c-df373ad36eb3" 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_92e021a1-4405-4e13-a9a7-2d066e3947ca" xlink:to="loc_dei_EntityTaxIdentificationNumber_e047e495-e88d-4edb-a33c-df373ad36eb3" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine1_00504151-9859-40b5-97e0-1b11ac446430" 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_92e021a1-4405-4e13-a9a7-2d066e3947ca" xlink:to="loc_dei_EntityAddressAddressLine1_00504151-9859-40b5-97e0-1b11ac446430" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressCityOrTown_cdfaa14e-41b2-45af-9cd6-dff1c868651a" 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_92e021a1-4405-4e13-a9a7-2d066e3947ca" xlink:to="loc_dei_EntityAddressCityOrTown_cdfaa14e-41b2-45af-9cd6-dff1c868651a" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressStateOrProvince_c0b31446-16ae-47ec-9d98-ddffa0979281" 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_92e021a1-4405-4e13-a9a7-2d066e3947ca" xlink:to="loc_dei_EntityAddressStateOrProvince_c0b31446-16ae-47ec-9d98-ddffa0979281" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressPostalZipCode_d174372f-c47b-4ea8-9956-b6a965481068" 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_92e021a1-4405-4e13-a9a7-2d066e3947ca" xlink:to="loc_dei_EntityAddressPostalZipCode_d174372f-c47b-4ea8-9956-b6a965481068" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CityAreaCode_5a616135-1bd4-4872-bd1f-b1acc76cb0ba" 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_92e021a1-4405-4e13-a9a7-2d066e3947ca" xlink:to="loc_dei_CityAreaCode_5a616135-1bd4-4872-bd1f-b1acc76cb0ba" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LocalPhoneNumber_2cff07bd-8b49-4bf7-86ca-6a6678a56230" 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_92e021a1-4405-4e13-a9a7-2d066e3947ca" xlink:to="loc_dei_LocalPhoneNumber_2cff07bd-8b49-4bf7-86ca-6a6678a56230" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_WrittenCommunications_c1a85fcf-eea6-4928-a769-8797268ff72d" 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_92e021a1-4405-4e13-a9a7-2d066e3947ca" xlink:to="loc_dei_WrittenCommunications_c1a85fcf-eea6-4928-a769-8797268ff72d" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SolicitingMaterial_214ee490-c309-4080-b3f4-a63ee3df644a" 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_92e021a1-4405-4e13-a9a7-2d066e3947ca" xlink:to="loc_dei_SolicitingMaterial_214ee490-c309-4080-b3f4-a63ee3df644a" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementTenderOffer_262963eb-9c8f-4c00-968e-31254e904194" 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_92e021a1-4405-4e13-a9a7-2d066e3947ca" xlink:to="loc_dei_PreCommencementTenderOffer_262963eb-9c8f-4c00-968e-31254e904194" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementIssuerTenderOffer_d6b1e8cd-1720-4f2e-a48e-30785f8218a2" 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_92e021a1-4405-4e13-a9a7-2d066e3947ca" xlink:to="loc_dei_PreCommencementIssuerTenderOffer_d6b1e8cd-1720-4f2e-a48e-30785f8218a2" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_Security12bTitle_7436b579-e982-4335-a916-5bd12de59841" 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_92e021a1-4405-4e13-a9a7-2d066e3947ca" xlink:to="loc_dei_Security12bTitle_7436b579-e982-4335-a916-5bd12de59841" xlink:type="arc" order="16"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_TradingSymbol_5b3fedf9-792f-440a-99f5-89d71ab57410" 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_92e021a1-4405-4e13-a9a7-2d066e3947ca" xlink:to="loc_dei_TradingSymbol_5b3fedf9-792f-440a-99f5-89d71ab57410" xlink:type="arc" order="17"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SecurityExchangeName_149de1ec-8c2e-4b6b-b736-126d5b6de0e3" 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_92e021a1-4405-4e13-a9a7-2d066e3947ca" xlink:to="loc_dei_SecurityExchangeName_149de1ec-8c2e-4b6b-b736-126d5b6de0e3" xlink:type="arc" order="18"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityEmergingGrowthCompany_cf40e5fe-c3a8-46cc-a1cd-34d98523427c" 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_92e021a1-4405-4e13-a9a7-2d066e3947ca" xlink:to="loc_dei_EntityEmergingGrowthCompany_cf40e5fe-c3a8-46cc-a1cd-34d98523427c" xlink:type="arc" order="19"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag_8abcb1eb-cb86-49c0-bcb4-6f956f15a400" 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_92e021a1-4405-4e13-a9a7-2d066e3947ca" xlink:to="loc_dei_AmendmentFlag_8abcb1eb-cb86-49c0-bcb4-6f956f15a400" xlink:type="arc" order="20"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey_43b72d3b-d2e1-4ddf-a7b2-c0f7ddc3677b" 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_92e021a1-4405-4e13-a9a7-2d066e3947ca" xlink:to="loc_dei_EntityCentralIndexKey_43b72d3b-d2e1-4ddf-a7b2-c0f7ddc3677b" xlink:type="arc" order="21"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentInformationTable_f7f9cb0f-aae6-4bab-b294-989ae0474360" 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_92e021a1-4405-4e13-a9a7-2d066e3947ca" xlink:to="loc_dei_DocumentInformationTable_f7f9cb0f-aae6-4bab-b294-989ae0474360" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_118c4cc3-aed7-41d2-b1fb-217738fd17e8" 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_f7f9cb0f-aae6-4bab-b294-989ae0474360" xlink:to="loc_us-gaap_StatementClassOfStockAxis_118c4cc3-aed7-41d2-b1fb-217738fd17e8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_118c4cc3-aed7-41d2-b1fb-217738fd17e8_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_118c4cc3-aed7-41d2-b1fb-217738fd17e8" xlink:to="loc_us-gaap_ClassOfStockDomain_118c4cc3-aed7-41d2-b1fb-217738fd17e8_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_2a879589-0114-4a28-b450-7317c7ec0eb3" 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_118c4cc3-aed7-41d2-b1fb-217738fd17e8" xlink:to="loc_us-gaap_ClassOfStockDomain_2a879589-0114-4a28-b450-7317c7ec0eb3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockMember_636f294a-818d-4303-b331-2e013576251b" 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_2a879589-0114-4a28-b450-7317c7ec0eb3" xlink:to="loc_us-gaap_CommonStockMember_636f294a-818d-4303-b331-2e013576251b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_aig_JuniorSubordinatedDebentures4875PercentSeriesA3Member_6eca590d-d9c5-4dd3-ba69-3e297baa0ded" xlink:href="aig-20230801.xsd#aig_JuniorSubordinatedDebentures4875PercentSeriesA3Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_2a879589-0114-4a28-b450-7317c7ec0eb3" xlink:to="loc_aig_JuniorSubordinatedDebentures4875PercentSeriesA3Member_6eca590d-d9c5-4dd3-ba69-3e297baa0ded" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NoncumulativePreferredStockMember_d75fe61b-e2e4-4e4f-bfa5-7fd499b14cd0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NoncumulativePreferredStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_2a879589-0114-4a28-b450-7317c7ec0eb3" xlink:to="loc_us-gaap_NoncumulativePreferredStockMember_d75fe61b-e2e4-4e4f-bfa5-7fd499b14cd0" xlink:type="arc" order="2"/>
  </link:definitionLink>
</link:linkbase>
