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

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:019dd022-e809-766e-afc2-014d359e80f3,g:c82aece3-e974-45e3-94ea-ffaf6ad971cd-->
<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.comcast.com/role/DocumentandEntityInformation" xlink:type="simple" xlink:href="cmcsa-20260723.xsd#DocumentandEntityInformation"/>
  <link:definitionLink xlink:role="http://www.comcast.com/role/DocumentandEntityInformation" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentInformationLineItems_019dd022-e809-7263-9eee-f3344aae48c0" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentInformationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentInformationTable_019dd022-e809-76c8-84ec-14d4763a6ea8" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentInformationTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_dei_DocumentInformationLineItems_019dd022-e809-7263-9eee-f3344aae48c0" xlink:to="loc_dei_DocumentInformationTable_019dd022-e809-76c8-84ec-14d4763a6ea8" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_019dd022-e809-7f55-ad4b-277cd24dfde6" 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_dei_DocumentInformationTable_019dd022-e809-76c8-84ec-14d4763a6ea8" xlink:to="loc_us-gaap_StatementClassOfStockAxis_019dd022-e809-7f55-ad4b-277cd24dfde6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_019dd022-e809-7f55-ad4b-277cd24dfde6_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_019dd022-e809-7f55-ad4b-277cd24dfde6" xlink:to="loc_us-gaap_ClassOfStockDomain_019dd022-e809-7f55-ad4b-277cd24dfde6_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_019dd022-e809-7f57-9c2e-9621731db23b" 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_019dd022-e809-7f55-ad4b-277cd24dfde6" xlink:to="loc_us-gaap_ClassOfStockDomain_019dd022-e809-7f57-9c2e-9621731db23b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassAMember_019dd022-e809-798d-a830-bd8fd769d531" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonClassAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_019dd022-e809-7f57-9c2e-9621731db23b" xlink:to="loc_us-gaap_CommonClassAMember_019dd022-e809-798d-a830-bd8fd769d531" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_cmcsa_Notes0.250percentDue2027Member_019dd022-e809-7878-8376-18a925b8a5a5" xlink:href="cmcsa-20260723.xsd#cmcsa_Notes0.250percentDue2027Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_019dd022-e809-7f57-9c2e-9621731db23b" xlink:to="loc_cmcsa_Notes0.250percentDue2027Member_019dd022-e809-7878-8376-18a925b8a5a5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_cmcsa_Notes1.500percentDue2029Member_019dd022-e809-7268-8fdc-489dcdc8e494" xlink:href="cmcsa-20260723.xsd#cmcsa_Notes1.500percentDue2029Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_019dd022-e809-7f57-9c2e-9621731db23b" xlink:to="loc_cmcsa_Notes1.500percentDue2029Member_019dd022-e809-7268-8fdc-489dcdc8e494" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_cmcsa_Notes0.750PercentDue2032Member_019dd022-e809-7d2f-8e14-f02b53e3357f" xlink:href="cmcsa-20260723.xsd#cmcsa_Notes0.750PercentDue2032Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_019dd022-e809-7f57-9c2e-9621731db23b" xlink:to="loc_cmcsa_Notes0.750PercentDue2032Member_019dd022-e809-7d2f-8e14-f02b53e3357f" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_cmcsa_Notes1.875percentdue2036Member_019dd022-e809-7e5c-97d0-edab1e32c2ee" xlink:href="cmcsa-20260723.xsd#cmcsa_Notes1.875percentdue2036Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_019dd022-e809-7f57-9c2e-9621731db23b" xlink:to="loc_cmcsa_Notes1.875percentdue2036Member_019dd022-e809-7e5c-97d0-edab1e32c2ee" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_cmcsa_Notes1.250percentdue2040Member_019dd022-e809-7ce8-8281-0b3e67de547f" xlink:href="cmcsa-20260723.xsd#cmcsa_Notes1.250percentdue2040Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_019dd022-e809-7f57-9c2e-9621731db23b" xlink:to="loc_cmcsa_Notes1.250percentdue2040Member_019dd022-e809-7ce8-8281-0b3e67de547f" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_cmcsa_Notes5.50PercentDue2029Member_019dd022-e809-76af-9863-1c504a235372" xlink:href="cmcsa-20260723.xsd#cmcsa_Notes5.50PercentDue2029Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_019dd022-e809-7f57-9c2e-9621731db23b" xlink:to="loc_cmcsa_Notes5.50PercentDue2029Member_019dd022-e809-76af-9863-1c504a235372" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_cmcsa_ExchangeableSubordinatedDebentures2.0PercentDue2029Member_019dd022-e809-7aa1-8d22-61117d37c8b0" xlink:href="cmcsa-20260723.xsd#cmcsa_ExchangeableSubordinatedDebentures2.0PercentDue2029Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_019dd022-e809-7f57-9c2e-9621731db23b" xlink:to="loc_cmcsa_ExchangeableSubordinatedDebentures2.0PercentDue2029Member_019dd022-e809-7aa1-8d22-61117d37c8b0" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_cmcsa_Notes0000PercentDue2026Member_019dd022-e809-768c-b2aa-04557ba5b274" xlink:href="cmcsa-20260723.xsd#cmcsa_Notes0000PercentDue2026Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_019dd022-e809-7f57-9c2e-9621731db23b" xlink:to="loc_cmcsa_Notes0000PercentDue2026Member_019dd022-e809-768c-b2aa-04557ba5b274" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_cmcsa_Notes0250PercentDue2029Member_019dd022-e809-7c07-bbdf-f824c5ca8f64" xlink:href="cmcsa-20260723.xsd#cmcsa_Notes0250PercentDue2029Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_019dd022-e809-7f57-9c2e-9621731db23b" xlink:to="loc_cmcsa_Notes0250PercentDue2029Member_019dd022-e809-7c07-bbdf-f824c5ca8f64" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_cmcsa_Notes3.250PercentDue2032Member_019dd022-e809-7ffc-88a0-c7780da80a8c" xlink:href="cmcsa-20260723.xsd#cmcsa_Notes3.250PercentDue2032Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_019dd022-e809-7f57-9c2e-9621731db23b" xlink:to="loc_cmcsa_Notes3.250PercentDue2032Member_019dd022-e809-7ffc-88a0-c7780da80a8c" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_cmcsa_Notes3.550PercentDue2036Member_019dd022-e809-76aa-86f4-f81d89c9557a" xlink:href="cmcsa-20260723.xsd#cmcsa_Notes3.550PercentDue2036Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_019dd022-e809-7f57-9c2e-9621731db23b" xlink:to="loc_cmcsa_Notes3.550PercentDue2036Member_019dd022-e809-76aa-86f4-f81d89c9557a" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_cmcsa_Notes5.250PercentDue2040Member_019dd022-e809-7f34-927d-931e37bb887a" xlink:href="cmcsa-20260723.xsd#cmcsa_Notes5.250PercentDue2040Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_019dd022-e809-7f57-9c2e-9621731db23b" xlink:to="loc_cmcsa_Notes5.250PercentDue2040Member_019dd022-e809-7f34-927d-931e37bb887a" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType_019dd022-e809-7da1-a4bc-4f618bbc71b3" 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_019dd022-e809-7263-9eee-f3344aae48c0" xlink:to="loc_dei_DocumentType_019dd022-e809-7da1-a4bc-4f618bbc71b3" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag_019dd022-e809-702f-8c87-b22659300071" 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_019dd022-e809-7263-9eee-f3344aae48c0" xlink:to="loc_dei_AmendmentFlag_019dd022-e809-702f-8c87-b22659300071" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentPeriodEndDate_019dd022-e809-7f76-b768-b8dc61f34884" 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_019dd022-e809-7263-9eee-f3344aae48c0" xlink:to="loc_dei_DocumentPeriodEndDate_019dd022-e809-7f76-b768-b8dc61f34884" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName_019dd022-e809-70a5-84ef-893a33ddeea9" 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_019dd022-e809-7263-9eee-f3344aae48c0" xlink:to="loc_dei_EntityRegistrantName_019dd022-e809-70a5-84ef-893a33ddeea9" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey_019dd022-e809-73dd-90cb-84ea6a362efc" 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_019dd022-e809-7263-9eee-f3344aae48c0" xlink:to="loc_dei_EntityCentralIndexKey_019dd022-e809-73dd-90cb-84ea6a362efc" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityIncorporationStateCountryCode_019dd022-e809-7678-af4d-490930141114" 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_019dd022-e809-7263-9eee-f3344aae48c0" xlink:to="loc_dei_EntityIncorporationStateCountryCode_019dd022-e809-7678-af4d-490930141114" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFileNumber_019dd022-e809-7251-982a-11daabcaa488" 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_019dd022-e809-7263-9eee-f3344aae48c0" xlink:to="loc_dei_EntityFileNumber_019dd022-e809-7251-982a-11daabcaa488" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityTaxIdentificationNumber_019dd022-e809-7ce9-a613-8983507701fa" 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_019dd022-e809-7263-9eee-f3344aae48c0" xlink:to="loc_dei_EntityTaxIdentificationNumber_019dd022-e809-7ce9-a613-8983507701fa" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine1_019dd022-e809-78e4-aaa1-fbd58d8c47e4" 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_019dd022-e809-7263-9eee-f3344aae48c0" xlink:to="loc_dei_EntityAddressAddressLine1_019dd022-e809-78e4-aaa1-fbd58d8c47e4" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressCityOrTown_019dd022-e809-7798-baff-18404a68809c" 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_019dd022-e809-7263-9eee-f3344aae48c0" xlink:to="loc_dei_EntityAddressCityOrTown_019dd022-e809-7798-baff-18404a68809c" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressStateOrProvince_019dd022-e809-7549-8b94-30dc47565f53" 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_019dd022-e809-7263-9eee-f3344aae48c0" xlink:to="loc_dei_EntityAddressStateOrProvince_019dd022-e809-7549-8b94-30dc47565f53" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressPostalZipCode_019dd022-e809-763f-be3d-8d68120f2bd6" 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_019dd022-e809-7263-9eee-f3344aae48c0" xlink:to="loc_dei_EntityAddressPostalZipCode_019dd022-e809-763f-be3d-8d68120f2bd6" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CityAreaCode_019dd022-e809-7977-931d-95a69fe9aa5b" 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_019dd022-e809-7263-9eee-f3344aae48c0" xlink:to="loc_dei_CityAreaCode_019dd022-e809-7977-931d-95a69fe9aa5b" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LocalPhoneNumber_019dd022-e809-74f7-9719-0e69ff80497a" 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_019dd022-e809-7263-9eee-f3344aae48c0" xlink:to="loc_dei_LocalPhoneNumber_019dd022-e809-74f7-9719-0e69ff80497a" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_WrittenCommunications_019dd022-e809-75d4-b546-34a64db1aca1" 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_019dd022-e809-7263-9eee-f3344aae48c0" xlink:to="loc_dei_WrittenCommunications_019dd022-e809-75d4-b546-34a64db1aca1" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SolicitingMaterial_019dd022-e809-7101-8f2d-d0a714ac4be5" 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_019dd022-e809-7263-9eee-f3344aae48c0" xlink:to="loc_dei_SolicitingMaterial_019dd022-e809-7101-8f2d-d0a714ac4be5" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementTenderOffer_019dd022-e809-7876-92bd-864b1d15e70a" 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_019dd022-e809-7263-9eee-f3344aae48c0" xlink:to="loc_dei_PreCommencementTenderOffer_019dd022-e809-7876-92bd-864b1d15e70a" xlink:type="arc" order="16"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementIssuerTenderOffer_019dd022-e809-72c2-8b35-0574dc8f57f3" 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_019dd022-e809-7263-9eee-f3344aae48c0" xlink:to="loc_dei_PreCommencementIssuerTenderOffer_019dd022-e809-72c2-8b35-0574dc8f57f3" xlink:type="arc" order="17"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_Security12bTitle_019dd022-e809-76ba-8f1e-e2a6d75c5ff2" 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_019dd022-e809-7263-9eee-f3344aae48c0" xlink:to="loc_dei_Security12bTitle_019dd022-e809-76ba-8f1e-e2a6d75c5ff2" xlink:type="arc" order="18"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_TradingSymbol_019dd022-e809-7e05-ad02-fb6fdc2076ce" 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_019dd022-e809-7263-9eee-f3344aae48c0" xlink:to="loc_dei_TradingSymbol_019dd022-e809-7e05-ad02-fb6fdc2076ce" xlink:type="arc" order="19"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SecurityExchangeName_019dd022-e809-7096-bb09-0d09fa2de76a" 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_019dd022-e809-7263-9eee-f3344aae48c0" xlink:to="loc_dei_SecurityExchangeName_019dd022-e809-7096-bb09-0d09fa2de76a" xlink:type="arc" order="20"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityEmergingGrowthCompany_019dd022-e809-7171-99fe-5bee802ad19b" 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_019dd022-e809-7263-9eee-f3344aae48c0" xlink:to="loc_dei_EntityEmergingGrowthCompany_019dd022-e809-7171-99fe-5bee802ad19b" xlink:type="arc" order="21"/>
  </link:definitionLink>
</link:linkbase>
