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

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:019e268d-cce4-7899-be9d-2189e7c43474,g:7021ac13-bf17-4975-8696-2188fdd01efa-->
<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.ti.com/role/DescriptionofbusinessincludingsegmentandgeographicareainformationSegmentInformationDetails" xlink:type="simple" xlink:href="txn-20260630.xsd#DescriptionofbusinessincludingsegmentandgeographicareainformationSegmentInformationDetails"/>
  <link:definitionLink xlink:role="http://www.ti.com/role/DescriptionofbusinessincludingsegmentandgeographicareainformationSegmentInformationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_019e268d-ce69-775b-9bca-61ceb130f753" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentReportingInformationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_019e268d-ce69-783f-bb41-3b1c5c6e8131" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019e268d-ce69-775b-9bca-61ceb130f753" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_019e268d-ce69-783f-bb41-3b1c5c6e8131" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_019e268d-ce69-76c5-9a8e-6330c87f35e3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_019e268d-ce69-783f-bb41-3b1c5c6e8131" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_019e268d-ce69-76c5-9a8e-6330c87f35e3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_019e268d-ce69-76c5-9a8e-6330c87f35e3_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_019e268d-ce69-76c5-9a8e-6330c87f35e3" xlink:to="loc_us-gaap_SegmentDomain_019e268d-ce69-76c5-9a8e-6330c87f35e3_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_019e268d-ce69-7857-9c16-9993e5723fd3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_019e268d-ce69-76c5-9a8e-6330c87f35e3" xlink:to="loc_us-gaap_SegmentDomain_019e268d-ce69-7857-9c16-9993e5723fd3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_txn_AnalogSegmentMember_019e268d-ce69-790c-ad9b-400aa31ca933" xlink:href="txn-20260630.xsd#txn_AnalogSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019e268d-ce69-7857-9c16-9993e5723fd3" xlink:to="loc_txn_AnalogSegmentMember_019e268d-ce69-790c-ad9b-400aa31ca933" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_txn_EmbeddedProcessingSegmentMember_019e268d-ce69-74a8-b1df-0036f57630c1" xlink:href="txn-20260630.xsd#txn_EmbeddedProcessingSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019e268d-ce69-7857-9c16-9993e5723fd3" xlink:to="loc_txn_EmbeddedProcessingSegmentMember_019e268d-ce69-74a8-b1df-0036f57630c1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllOtherSegmentsMember_019e268d-ce69-7943-9de2-4060e9629f15" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AllOtherSegmentsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019e268d-ce69-7857-9c16-9993e5723fd3" xlink:to="loc_us-gaap_AllOtherSegmentsMember_019e268d-ce69-7943-9de2-4060e9629f15" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_019e268d-ce69-79a5-920e-e6816d5397fa" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019e268d-ce69-775b-9bca-61ceb130f753" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_019e268d-ce69-79a5-920e-e6816d5397fa" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSold_019e268d-ce69-79c5-8073-a4e660e5740f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CostOfGoodsAndServicesSold"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019e268d-ce69-775b-9bca-61ceb130f753" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSold_019e268d-ce69-79c5-8073-a4e660e5740f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GrossProfit_019e268d-ce69-775c-a82b-bef967c39175" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GrossProfit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019e268d-ce69-775b-9bca-61ceb130f753" xlink:to="loc_us-gaap_GrossProfit_019e268d-ce69-775c-a82b-bef967c39175" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpense_019e268d-ce69-77b5-be09-0affb9a2b8fa" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ResearchAndDevelopmentExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019e268d-ce69-775b-9bca-61ceb130f753" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpense_019e268d-ce69-77b5-be09-0affb9a2b8fa" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_019e268d-ce69-7d86-a923-405aea92619e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SellingGeneralAndAdministrativeExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019e268d-ce69-775b-9bca-61ceb130f753" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpense_019e268d-ce69-7d86-a923-405aea92619e" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationAcquisitionRelatedCosts_019e268d-ce69-7f36-94e0-0f4e085767d4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationAcquisitionRelatedCosts"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019e268d-ce69-775b-9bca-61ceb130f753" xlink:to="loc_us-gaap_BusinessCombinationAcquisitionRelatedCosts_019e268d-ce69-7f36-94e0-0f4e085767d4" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_019e268d-ce69-7d43-a04a-8fa0bac353ff" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019e268d-ce69-775b-9bca-61ceb130f753" xlink:to="loc_us-gaap_OperatingIncomeLoss_019e268d-ce69-7d43-a04a-8fa0bac353ff" xlink:type="arc" order="6"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.ti.com/role/DescriptionofbusinessincludingsegmentandgeographicareainformationGeographicAreaInformationDetails" xlink:type="simple" xlink:href="txn-20260630.xsd#DescriptionofbusinessincludingsegmentandgeographicareainformationGeographicAreaInformationDetails"/>
  <link:definitionLink xlink:role="http://www.ti.com/role/DescriptionofbusinessincludingsegmentandgeographicareainformationGeographicAreaInformationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_019e268d-ce69-73b1-ad61-e62647ba36f5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentReportingInformationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_019e268d-ce69-7b33-8ead-e0ce85621d23" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019e268d-ce69-73b1-ad61-e62647ba36f5" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_019e268d-ce69-7b33-8ead-e0ce85621d23" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StatementGeographicalAxis_019e268d-ce69-759b-b18b-d38c8e3a018b" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_StatementGeographicalAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_019e268d-ce69-7b33-8ead-e0ce85621d23" xlink:to="loc_srt_StatementGeographicalAxis_019e268d-ce69-759b-b18b-d38c8e3a018b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_019e268d-ce69-759b-b18b-d38c8e3a018b_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_StatementGeographicalAxis_019e268d-ce69-759b-b18b-d38c8e3a018b" xlink:to="loc_srt_SegmentGeographicalDomain_019e268d-ce69-759b-b18b-d38c8e3a018b_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_019e268d-ce69-7944-9126-f56b2de1f1a8" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_StatementGeographicalAxis_019e268d-ce69-759b-b18b-d38c8e3a018b" xlink:to="loc_srt_SegmentGeographicalDomain_019e268d-ce69-7944-9126-f56b2de1f1a8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_country_US_019e268d-ce69-7563-b5b6-22edede62cf8" xlink:href="https://xbrl.sec.gov/country/2026/country-2026.xsd#country_US"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_019e268d-ce69-7944-9126-f56b2de1f1a8" xlink:to="loc_country_US_019e268d-ce69-7563-b5b6-22edede62cf8" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_country_CN_019e268d-ce69-78f3-b88e-aed9855cf0cc" xlink:href="https://xbrl.sec.gov/country/2026/country-2026.xsd#country_CN"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_019e268d-ce69-7944-9126-f56b2de1f1a8" xlink:to="loc_country_CN_019e268d-ce69-78f3-b88e-aed9855cf0cc" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_txn_RestOfAsiaMember_019e268d-ce69-775d-85e6-6086b7af770c" xlink:href="txn-20260630.xsd#txn_RestOfAsiaMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_019e268d-ce69-7944-9126-f56b2de1f1a8" xlink:to="loc_txn_RestOfAsiaMember_019e268d-ce69-775d-85e6-6086b7af770c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EMEAMember_019e268d-ce69-7074-a7d1-3b20f45f20a5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EMEAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_019e268d-ce69-7944-9126-f56b2de1f1a8" xlink:to="loc_us-gaap_EMEAMember_019e268d-ce69-7074-a7d1-3b20f45f20a5" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_country_JP_019e268d-ce69-7d7a-9851-5d70693e9eed" xlink:href="https://xbrl.sec.gov/country/2026/country-2026.xsd#country_JP"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_019e268d-ce69-7944-9126-f56b2de1f1a8" xlink:to="loc_country_JP_019e268d-ce69-7d7a-9851-5d70693e9eed" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_txn_RestOfWorldMember_019e268d-ce69-75c3-bea9-09fbe722a1cb" xlink:href="txn-20260630.xsd#txn_RestOfWorldMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_019e268d-ce69-7944-9126-f56b2de1f1a8" xlink:to="loc_txn_RestOfWorldMember_019e268d-ce69-75c3-bea9-09fbe722a1cb" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_country_DE_019e268d-ce69-77fd-948d-89e638898e7a" xlink:href="https://xbrl.sec.gov/country/2026/country-2026.xsd#country_DE"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_019e268d-ce69-7944-9126-f56b2de1f1a8" xlink:to="loc_country_DE_019e268d-ce69-77fd-948d-89e638898e7a" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_019e268d-ce69-7bcd-9d10-43cf9c4b70f0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ConcentrationRiskByBenchmarkAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_019e268d-ce69-7b33-8ead-e0ce85621d23" xlink:to="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_019e268d-ce69-7bcd-9d10-43cf9c4b70f0" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskBenchmarkDomain_019e268d-ce69-7bcd-9d10-43cf9c4b70f0_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ConcentrationRiskBenchmarkDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_019e268d-ce69-7bcd-9d10-43cf9c4b70f0" xlink:to="loc_us-gaap_ConcentrationRiskBenchmarkDomain_019e268d-ce69-7bcd-9d10-43cf9c4b70f0_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskBenchmarkDomain_019e268d-ce69-7434-9fec-3b686e994b4c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ConcentrationRiskBenchmarkDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_019e268d-ce69-7bcd-9d10-43cf9c4b70f0" xlink:to="loc_us-gaap_ConcentrationRiskBenchmarkDomain_019e268d-ce69-7434-9fec-3b686e994b4c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerProductAndServiceBenchmarkMember_019e268d-ce69-77e7-af77-31caceba01c9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevenueFromContractWithCustomerProductAndServiceBenchmarkMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskBenchmarkDomain_019e268d-ce69-7434-9fec-3b686e994b4c" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerProductAndServiceBenchmarkMember_019e268d-ce69-77e7-af77-31caceba01c9" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskByTypeAxis_019e268d-ce69-7df5-a986-5534a61ade07" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ConcentrationRiskByTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_019e268d-ce69-7b33-8ead-e0ce85621d23" xlink:to="loc_us-gaap_ConcentrationRiskByTypeAxis_019e268d-ce69-7df5-a986-5534a61ade07" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskTypeDomain_019e268d-ce69-7df5-a986-5534a61ade07_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ConcentrationRiskTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ConcentrationRiskByTypeAxis_019e268d-ce69-7df5-a986-5534a61ade07" xlink:to="loc_us-gaap_ConcentrationRiskTypeDomain_019e268d-ce69-7df5-a986-5534a61ade07_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskTypeDomain_019e268d-ce69-7f89-93cd-784ccbd61a8a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ConcentrationRiskTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ConcentrationRiskByTypeAxis_019e268d-ce69-7df5-a986-5534a61ade07" xlink:to="loc_us-gaap_ConcentrationRiskTypeDomain_019e268d-ce69-7f89-93cd-784ccbd61a8a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GeographicConcentrationRiskMember_019e268d-ce69-7b97-860a-f8cf1f5a3030" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GeographicConcentrationRiskMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskTypeDomain_019e268d-ce69-7f89-93cd-784ccbd61a8a" xlink:to="loc_us-gaap_GeographicConcentrationRiskMember_019e268d-ce69-7b97-860a-f8cf1f5a3030" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_019e268d-ce69-7ae2-a911-a6b41ac97f47" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019e268d-ce69-73b1-ad61-e62647ba36f5" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_019e268d-ce69-7ae2-a911-a6b41ac97f47" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskPercentage1_019e268d-ce69-7b92-9607-2a33f3e68eeb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ConcentrationRiskPercentage1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019e268d-ce69-73b1-ad61-e62647ba36f5" xlink:to="loc_us-gaap_ConcentrationRiskPercentage1_019e268d-ce69-7b92-9607-2a33f3e68eeb" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.ti.com/role/BasisofpresentationandsignificantaccountingpoliciesandpracticesAdditionalInformationDetails" xlink:type="simple" xlink:href="txn-20260630.xsd#BasisofpresentationandsignificantaccountingpoliciesandpracticesAdditionalInformationDetails"/>
  <link:definitionLink xlink:role="http://www.ti.com/role/BasisofpresentationandsignificantaccountingpoliciesandpracticesAdditionalInformationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_019e268d-ce69-7b62-b8f2-b160adff7ce2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByBalanceSheetGroupingTable_019e268d-ce69-7912-8391-58846ac1dc39" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueByBalanceSheetGroupingTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_019e268d-ce69-7b62-b8f2-b160adff7ce2" xlink:to="loc_us-gaap_FairValueByBalanceSheetGroupingTable_019e268d-ce69-7912-8391-58846ac1dc39" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_019e268d-ce69-70cb-9404-889ce470bf41" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTable_019e268d-ce69-7912-8391-58846ac1dc39" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_019e268d-ce69-70cb-9404-889ce470bf41" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019e268d-ce69-70cb-9404-889ce470bf41_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_019e268d-ce69-70cb-9404-889ce470bf41" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019e268d-ce69-70cb-9404-889ce470bf41_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019e268d-ce69-77c1-92e1-8bd0019ac818" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_019e268d-ce69-70cb-9404-889ce470bf41" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019e268d-ce69-77c1-92e1-8bd0019ac818" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_019e268d-ce69-7c6e-b9ba-d9a4f76f36ee" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueInputsLevel2Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019e268d-ce69-77c1-92e1-8bd0019ac818" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_019e268d-ce69-7c6e-b9ba-d9a4f76f36ee" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_019e268d-ce69-7a95-bcb8-65921f65ed06" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_019e268d-ce69-7b62-b8f2-b160adff7ce2" xlink:to="loc_us-gaap_LongTermDebt_019e268d-ce69-7a95-bcb8-65921f65ed06" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtFairValue_019e268d-ce69-7dc2-a084-fed84a5d4e9c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebtFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_019e268d-ce69-7b62-b8f2-b160adff7ce2" xlink:to="loc_us-gaap_LongTermDebtFairValue_019e268d-ce69-7dc2-a084-fed84a5d4e9c" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.ti.com/role/ValuationofdebtandequityinvestmentsandcertainliabilitiesInvestmentsatFairValueDetails" xlink:type="simple" xlink:href="txn-20260630.xsd#ValuationofdebtandequityinvestmentsandcertainliabilitiesInvestmentsatFairValueDetails"/>
  <link:definitionLink xlink:role="http://www.ti.com/role/ValuationofdebtandequityinvestmentsandcertainliabilitiesInvestmentsatFairValueDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_019e268d-ce69-7868-a3a8-efc86527c6e9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByBalanceSheetGroupingTable_019e268d-ce69-7df9-bb6f-08ca2ef6a8b8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueByBalanceSheetGroupingTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_019e268d-ce69-7868-a3a8-efc86527c6e9" xlink:to="loc_us-gaap_FairValueByBalanceSheetGroupingTable_019e268d-ce69-7df9-bb6f-08ca2ef6a8b8" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByAssetClassAxis_019e268d-ce69-7678-ab3a-24a145cb36d1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueByAssetClassAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTable_019e268d-ce69-7df9-bb6f-08ca2ef6a8b8" xlink:to="loc_us-gaap_FairValueByAssetClassAxis_019e268d-ce69-7678-ab3a-24a145cb36d1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_019e268d-ce69-7678-ab3a-24a145cb36d1_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByAssetClassAxis_019e268d-ce69-7678-ab3a-24a145cb36d1" xlink:to="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_019e268d-ce69-7678-ab3a-24a145cb36d1_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_019e268d-ce69-7a22-91ad-0bc55c32e09d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByAssetClassAxis_019e268d-ce69-7678-ab3a-24a145cb36d1" xlink:to="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_019e268d-ce69-7a22-91ad-0bc55c32e09d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MoneyMarketFundsMember_019e268d-ce69-7be0-8a3f-4e8d64ef4ee8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_MoneyMarketFundsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_019e268d-ce69-7a22-91ad-0bc55c32e09d" xlink:to="loc_us-gaap_MoneyMarketFundsMember_019e268d-ce69-7be0-8a3f-4e8d64ef4ee8" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CorporateDebtSecuritiesMember_019e268d-ce69-76da-ae3c-27f6537533c1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CorporateDebtSecuritiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_019e268d-ce69-7a22-91ad-0bc55c32e09d" xlink:to="loc_us-gaap_CorporateDebtSecuritiesMember_019e268d-ce69-76da-ae3c-27f6537533c1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_USTreasuryAndGovernmentMember_019e268d-ce69-7c03-a356-36bfba064e75" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_USTreasuryAndGovernmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_019e268d-ce69-7a22-91ad-0bc55c32e09d" xlink:to="loc_us-gaap_USTreasuryAndGovernmentMember_019e268d-ce69-7c03-a356-36bfba064e75" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignGovernmentDebtSecuritiesMember_019e268d-ce69-7889-84cf-d998d2060b37" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ForeignGovernmentDebtSecuritiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_019e268d-ce69-7a22-91ad-0bc55c32e09d" xlink:to="loc_us-gaap_ForeignGovernmentDebtSecuritiesMember_019e268d-ce69-7889-84cf-d998d2060b37" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MutualFundMember_019e268d-ce69-7043-bdd5-e9794624afea" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_MutualFundMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_019e268d-ce69-7a22-91ad-0bc55c32e09d" xlink:to="loc_us-gaap_MutualFundMember_019e268d-ce69-7043-bdd5-e9794624afea" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAggregatedInvestmentsMember_019e26a2-81da-744d-bf08-4ff6a6640416" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherAggregatedInvestmentsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_019e268d-ce69-7a22-91ad-0bc55c32e09d" xlink:to="loc_us-gaap_OtherAggregatedInvestmentsMember_019e26a2-81da-744d-bf08-4ff6a6640416" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashMember_019e268d-ce69-719a-9343-e9ccbfd0b8f8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_019e268d-ce69-7a22-91ad-0bc55c32e09d" xlink:to="loc_us-gaap_CashMember_019e268d-ce69-719a-9343-e9ccbfd0b8f8" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByMeasurementBasisAxis_019e268d-ce69-7144-a51e-b1a332e7a7d7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueByMeasurementBasisAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTable_019e268d-ce69-7df9-bb6f-08ca2ef6a8b8" xlink:to="loc_us-gaap_FairValueByMeasurementBasisAxis_019e268d-ce69-7144-a51e-b1a332e7a7d7" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_019e268d-ce69-7144-a51e-b1a332e7a7d7_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PortionAtFairValueFairValueDisclosureMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByMeasurementBasisAxis_019e268d-ce69-7144-a51e-b1a332e7a7d7" xlink:to="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_019e268d-ce69-7144-a51e-b1a332e7a7d7_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueDisclosureItemAmountsDomain_019e268d-ce69-74c2-b75c-e3c960ff9f29" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueDisclosureItemAmountsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByMeasurementBasisAxis_019e268d-ce69-7144-a51e-b1a332e7a7d7" xlink:to="loc_us-gaap_FairValueDisclosureItemAmountsDomain_019e268d-ce69-74c2-b75c-e3c960ff9f29" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_019e268d-ce69-7c7a-ab24-b15a50d16edd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PortionAtFairValueFairValueDisclosureMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueDisclosureItemAmountsDomain_019e268d-ce69-74c2-b75c-e3c960ff9f29" xlink:to="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_019e268d-ce69-7c7a-ab24-b15a50d16edd" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EstimateOfFairValueFairValueDisclosureMember_019e268d-ce69-7b6a-b26a-12c163449795" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EstimateOfFairValueFairValueDisclosureMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_019e268d-ce69-7c7a-ab24-b15a50d16edd" xlink:to="loc_us-gaap_EstimateOfFairValueFairValueDisclosureMember_019e268d-ce69-7b6a-b26a-12c163449795" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PortionAtOtherThanFairValueFairValueDisclosureMember_019e268d-ce69-797c-9834-d888999fb5df" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PortionAtOtherThanFairValueFairValueDisclosureMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_019e268d-ce69-7c7a-ab24-b15a50d16edd" xlink:to="loc_us-gaap_PortionAtOtherThanFairValueFairValueDisclosureMember_019e268d-ce69-797c-9834-d888999fb5df" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsFairValueDisclosure_019e268d-ce69-77e9-b685-d61b7a9b7327" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashAndCashEquivalentsFairValueDisclosure"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_019e268d-ce69-7868-a3a8-efc86527c6e9" xlink:to="loc_us-gaap_CashAndCashEquivalentsFairValueDisclosure_019e268d-ce69-77e9-b685-d61b7a9b7327" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermInvestments_019e268d-ce69-7f35-b204-5cf3c7e09c02" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShortTermInvestments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_019e268d-ce69-7868-a3a8-efc86527c6e9" xlink:to="loc_us-gaap_ShortTermInvestments_019e268d-ce69-7f35-b204-5cf3c7e09c02" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermInvestments_019e268d-ce69-71a5-9b39-c89781e06bf9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermInvestments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_019e268d-ce69-7868-a3a8-efc86527c6e9" xlink:to="loc_us-gaap_LongTermInvestments_019e268d-ce69-71a5-9b39-c89781e06bf9" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.ti.com/role/ValuationofdebtandequityinvestmentsandcertainliabilitiesAdditionalInformationDetails" xlink:type="simple" xlink:href="txn-20260630.xsd#ValuationofdebtandequityinvestmentsandcertainliabilitiesAdditionalInformationDetails"/>
  <link:definitionLink xlink:role="http://www.ti.com/role/ValuationofdebtandequityinvestmentsandcertainliabilitiesAdditionalInformationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_019e268d-ce69-7cce-89bd-9f674238dac2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByBalanceSheetGroupingTable_019e268d-ce69-739c-9867-b72405d1ab9a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueByBalanceSheetGroupingTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_019e268d-ce69-7cce-89bd-9f674238dac2" xlink:to="loc_us-gaap_FairValueByBalanceSheetGroupingTable_019e268d-ce69-739c-9867-b72405d1ab9a" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_019e268d-ce69-7836-85e3-1d29e3d0a688" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTable_019e268d-ce69-739c-9867-b72405d1ab9a" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_019e268d-ce69-7836-85e3-1d29e3d0a688" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019e268d-ce69-7836-85e3-1d29e3d0a688_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_019e268d-ce69-7836-85e3-1d29e3d0a688" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019e268d-ce69-7836-85e3-1d29e3d0a688_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019e268d-ce69-7c8f-abcf-a05d7f6b5241" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_019e268d-ce69-7836-85e3-1d29e3d0a688" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019e268d-ce69-7c8f-abcf-a05d7f6b5241" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_019e268d-ce69-7a15-b7a2-ebfe959da911" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueInputsLevel3Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019e268d-ce69-7c8f-abcf-a05d7f6b5241" xlink:to="loc_us-gaap_FairValueInputsLevel3Member_019e268d-ce69-7a15-b7a2-ebfe959da911" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleAllowanceForCreditLossPeriodIncreaseDecrease_019e268d-ce69-789c-b9ad-1dd951cbc397" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtSecuritiesAvailableForSaleAllowanceForCreditLossPeriodIncreaseDecrease"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_019e268d-ce69-7cce-89bd-9f674238dac2" xlink:to="loc_us-gaap_DebtSecuritiesAvailableForSaleAllowanceForCreditLossPeriodIncreaseDecrease_019e268d-ce69-789c-b9ad-1dd951cbc397" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities_019e268d-ce69-71b6-a4dc-64da3d9a4a9d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_019e268d-ce69-7cce-89bd-9f674238dac2" xlink:to="loc_us-gaap_ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities_019e268d-ce69-71b6-a4dc-64da3d9a4a9d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsFairValueDisclosure_019e268d-ce69-7a25-8ce0-2c221b562a11" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetsFairValueDisclosure"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_019e268d-ce69-7cce-89bd-9f674238dac2" xlink:to="loc_us-gaap_AssetsFairValueDisclosure_019e268d-ce69-7a25-8ce0-2c221b562a11" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesFairValueDisclosure_019e268d-ce69-72ab-b8ae-618654931448" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LiabilitiesFairValueDisclosure"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_019e268d-ce69-7cce-89bd-9f674238dac2" xlink:to="loc_us-gaap_LiabilitiesFairValueDisclosure_019e268d-ce69-72ab-b8ae-618654931448" xlink:type="arc" order="3"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.ti.com/role/ValuationofdebtandequityinvestmentsandcertainliabilitiesFairValueAssetsandLiabilitiesMeasuredonRecurringBasisDetails" xlink:type="simple" xlink:href="txn-20260630.xsd#ValuationofdebtandequityinvestmentsandcertainliabilitiesFairValueAssetsandLiabilitiesMeasuredonRecurringBasisDetails"/>
  <link:definitionLink xlink:role="http://www.ti.com/role/ValuationofdebtandequityinvestmentsandcertainliabilitiesFairValueAssetsandLiabilitiesMeasuredonRecurringBasisDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_019e268d-ce69-760a-a091-76183d49bd77" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_019e268d-ce69-70ef-bbb8-905f59874a99" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_019e268d-ce69-760a-a091-76183d49bd77" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_019e268d-ce69-70ef-bbb8-905f59874a99" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByMeasurementFrequencyAxis_019e268d-ce69-746e-821c-8ee51a621012" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueByMeasurementFrequencyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_019e268d-ce69-70ef-bbb8-905f59874a99" xlink:to="loc_us-gaap_FairValueByMeasurementFrequencyAxis_019e268d-ce69-746e-821c-8ee51a621012" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_019e268d-ce69-746e-821c-8ee51a621012_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueMeasurementFrequencyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_019e268d-ce69-746e-821c-8ee51a621012" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_019e268d-ce69-746e-821c-8ee51a621012_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_019e268d-ce69-7d19-9665-2c66370bab15" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueMeasurementFrequencyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_019e268d-ce69-746e-821c-8ee51a621012" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_019e268d-ce69-7d19-9665-2c66370bab15" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsRecurringMember_019e268d-ce69-706d-bbb4-eb9b729def4d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueMeasurementsRecurringMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementFrequencyDomain_019e268d-ce69-7d19-9665-2c66370bab15" xlink:to="loc_us-gaap_FairValueMeasurementsRecurringMember_019e268d-ce69-706d-bbb4-eb9b729def4d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByAssetClassAxis_019e268d-ce69-7600-a4ac-894fd9c63218" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueByAssetClassAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_019e268d-ce69-70ef-bbb8-905f59874a99" xlink:to="loc_us-gaap_FairValueByAssetClassAxis_019e268d-ce69-7600-a4ac-894fd9c63218" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_019e268d-ce69-7600-a4ac-894fd9c63218_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByAssetClassAxis_019e268d-ce69-7600-a4ac-894fd9c63218" xlink:to="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_019e268d-ce69-7600-a4ac-894fd9c63218_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_019e268d-ce69-706e-a9a1-3509bc107263" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByAssetClassAxis_019e268d-ce69-7600-a4ac-894fd9c63218" xlink:to="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_019e268d-ce69-706e-a9a1-3509bc107263" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MoneyMarketFundsMember_019e268d-ce69-7eb9-8d2f-23e7d22a1500" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_MoneyMarketFundsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_019e268d-ce69-706e-a9a1-3509bc107263" xlink:to="loc_us-gaap_MoneyMarketFundsMember_019e268d-ce69-7eb9-8d2f-23e7d22a1500" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CorporateDebtSecuritiesMember_019e268d-ce69-7fe8-8875-9749a050c47a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CorporateDebtSecuritiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_019e268d-ce69-706e-a9a1-3509bc107263" xlink:to="loc_us-gaap_CorporateDebtSecuritiesMember_019e268d-ce69-7fe8-8875-9749a050c47a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_USTreasuryAndGovernmentMember_019e268d-ce69-7c4d-b47b-03d6e1b24449" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_USTreasuryAndGovernmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_019e268d-ce69-706e-a9a1-3509bc107263" xlink:to="loc_us-gaap_USTreasuryAndGovernmentMember_019e268d-ce69-7c4d-b47b-03d6e1b24449" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignGovernmentDebtSecuritiesMember_019e268d-ce69-7924-91cb-4a86b76468fc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ForeignGovernmentDebtSecuritiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_019e268d-ce69-706e-a9a1-3509bc107263" xlink:to="loc_us-gaap_ForeignGovernmentDebtSecuritiesMember_019e268d-ce69-7924-91cb-4a86b76468fc" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MutualFundMember_019e268d-ce69-77d9-a543-6577c17190c9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_MutualFundMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_019e268d-ce69-706e-a9a1-3509bc107263" xlink:to="loc_us-gaap_MutualFundMember_019e268d-ce69-77d9-a543-6577c17190c9" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_019e268d-ce69-7e5f-acf8-fd93b76941bb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_019e268d-ce69-70ef-bbb8-905f59874a99" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_019e268d-ce69-7e5f-acf8-fd93b76941bb" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019e268d-ce69-7e5f-acf8-fd93b76941bb_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_019e268d-ce69-7e5f-acf8-fd93b76941bb" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019e268d-ce69-7e5f-acf8-fd93b76941bb_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019e268d-ce69-748a-a0e0-e27ddc2754cc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_019e268d-ce69-7e5f-acf8-fd93b76941bb" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019e268d-ce69-748a-a0e0-e27ddc2754cc" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel1Member_019e268d-ce69-77e1-814f-2f5dd729861a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueInputsLevel1Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019e268d-ce69-748a-a0e0-e27ddc2754cc" xlink:to="loc_us-gaap_FairValueInputsLevel1Member_019e268d-ce69-77e1-814f-2f5dd729861a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_019e268d-ce69-724f-b10b-39f26a8e2d8b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueInputsLevel2Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019e268d-ce69-748a-a0e0-e27ddc2754cc" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_019e268d-ce69-724f-b10b-39f26a8e2d8b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByLiabilityClassAxis_019e268d-ce69-73f5-844b-46eca5c06b51" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueByLiabilityClassAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_019e268d-ce69-70ef-bbb8-905f59874a99" xlink:to="loc_us-gaap_FairValueByLiabilityClassAxis_019e268d-ce69-73f5-844b-46eca5c06b51" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain_019e268d-ce69-73f5-844b-46eca5c06b51_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByLiabilityClassAxis_019e268d-ce69-73f5-844b-46eca5c06b51" xlink:to="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain_019e268d-ce69-73f5-844b-46eca5c06b51_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain_019e268d-ce69-7875-b7a9-1eeb02c05a1d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByLiabilityClassAxis_019e268d-ce69-73f5-844b-46eca5c06b51" xlink:to="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain_019e268d-ce69-7875-b7a9-1eeb02c05a1d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_txn_DeferredCompensationMember_019e268d-ce69-7fa8-af72-aa843e3d7b57" xlink:href="txn-20260630.xsd#txn_DeferredCompensationMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain_019e268d-ce69-7875-b7a9-1eeb02c05a1d" xlink:to="loc_txn_DeferredCompensationMember_019e268d-ce69-7fa8-af72-aa843e3d7b57" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsFairValueDisclosure_019e268d-ce69-7612-9091-561d7f3ae48b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetsFairValueDisclosure"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_019e268d-ce69-760a-a091-76183d49bd77" xlink:to="loc_us-gaap_AssetsFairValueDisclosure_019e268d-ce69-7612-9091-561d7f3ae48b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesFairValueDisclosure_019e268d-ce69-7b1c-b90b-44ee62469281" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LiabilitiesFairValueDisclosure"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_019e268d-ce69-760a-a091-76183d49bd77" xlink:to="loc_us-gaap_LiabilitiesFairValueDisclosure_019e268d-ce69-7b1c-b90b-44ee62469281" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.ti.com/role/PostretirementbenefitplansDetails" xlink:type="simple" xlink:href="txn-20260630.xsd#PostretirementbenefitplansDetails"/>
  <link:definitionLink xlink:role="http://www.ti.com/role/PostretirementbenefitplansDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_019e268d-ce69-78d9-ba29-448caef42ad6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DefinedBenefitPlanDisclosureLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_019e268d-ce69-73cc-a3f9-45fabfea587b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_019e268d-ce69-78d9-ba29-448caef42ad6" xlink:to="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_019e268d-ce69-73cc-a3f9-45fabfea587b" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetirementPlanSponsorLocationAxis_019e268d-ce69-756f-9f79-17258c1269c4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RetirementPlanSponsorLocationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_019e268d-ce69-73cc-a3f9-45fabfea587b" xlink:to="loc_us-gaap_RetirementPlanSponsorLocationAxis_019e268d-ce69-756f-9f79-17258c1269c4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetirementPlanSponsorLocationDomain_019e268d-ce69-756f-9f79-17258c1269c4_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RetirementPlanSponsorLocationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RetirementPlanSponsorLocationAxis_019e268d-ce69-756f-9f79-17258c1269c4" xlink:to="loc_us-gaap_RetirementPlanSponsorLocationDomain_019e268d-ce69-756f-9f79-17258c1269c4_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetirementPlanSponsorLocationDomain_019e268d-ce69-7e7b-9d29-3e09a244123b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RetirementPlanSponsorLocationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RetirementPlanSponsorLocationAxis_019e268d-ce69-756f-9f79-17258c1269c4" xlink:to="loc_us-gaap_RetirementPlanSponsorLocationDomain_019e268d-ce69-7e7b-9d29-3e09a244123b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DomesticPlanMember_019e268d-ce69-7124-879c-42d7c4e0a0eb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DomesticPlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RetirementPlanSponsorLocationDomain_019e268d-ce69-7e7b-9d29-3e09a244123b" xlink:to="loc_us-gaap_DomesticPlanMember_019e268d-ce69-7124-879c-42d7c4e0a0eb" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_country_US_019e268d-ce69-7a34-b05f-f2cbf0b2dc38" xlink:href="https://xbrl.sec.gov/country/2026/country-2026.xsd#country_US"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DomesticPlanMember_019e268d-ce69-7124-879c-42d7c4e0a0eb" xlink:to="loc_country_US_019e268d-ce69-7a34-b05f-f2cbf0b2dc38" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignPlanMember_019e268d-ce69-7a5f-8621-8ffdfdd94338" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ForeignPlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DomesticPlanMember_019e268d-ce69-7124-879c-42d7c4e0a0eb" xlink:to="loc_us-gaap_ForeignPlanMember_019e268d-ce69-7a5f-8621-8ffdfdd94338" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetirementPlanTypeAxis_019e268d-ce69-7d8e-b2f6-ec48018fea00" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RetirementPlanTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_019e268d-ce69-73cc-a3f9-45fabfea587b" xlink:to="loc_us-gaap_RetirementPlanTypeAxis_019e268d-ce69-7d8e-b2f6-ec48018fea00" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetirementPlanTypeDomain_019e268d-ce69-7d8e-b2f6-ec48018fea00_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RetirementPlanTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RetirementPlanTypeAxis_019e268d-ce69-7d8e-b2f6-ec48018fea00" xlink:to="loc_us-gaap_RetirementPlanTypeDomain_019e268d-ce69-7d8e-b2f6-ec48018fea00_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetirementPlanTypeDomain_019e268d-ce69-7479-b61f-5c9576923f99" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RetirementPlanTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RetirementPlanTypeAxis_019e268d-ce69-7d8e-b2f6-ec48018fea00" xlink:to="loc_us-gaap_RetirementPlanTypeDomain_019e268d-ce69-7479-b61f-5c9576923f99" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PensionPlansDefinedBenefitMember_019e268d-ce69-7b26-9406-44d120a4a5a8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PensionPlansDefinedBenefitMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RetirementPlanTypeDomain_019e268d-ce69-7479-b61f-5c9576923f99" xlink:to="loc_us-gaap_PensionPlansDefinedBenefitMember_019e268d-ce69-7b26-9406-44d120a4a5a8" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPostretirementHealthCoverageMember_019e268d-ce69-7f7e-ade5-3510ffc50f01" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DefinedBenefitPostretirementHealthCoverageMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RetirementPlanTypeDomain_019e268d-ce69-7479-b61f-5c9576923f99" xlink:to="loc_us-gaap_DefinedBenefitPostretirementHealthCoverageMember_019e268d-ce69-7f7e-ade5-3510ffc50f01" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanServiceCost_019e268d-ce69-75d4-a280-5969874a1251" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DefinedBenefitPlanServiceCost"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_019e268d-ce69-78d9-ba29-448caef42ad6" xlink:to="loc_us-gaap_DefinedBenefitPlanServiceCost_019e268d-ce69-75d4-a280-5969874a1251" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanInterestCost_019e268d-ce69-781b-9cff-dbca88abab65" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DefinedBenefitPlanInterestCost"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_019e268d-ce69-78d9-ba29-448caef42ad6" xlink:to="loc_us-gaap_DefinedBenefitPlanInterestCost_019e268d-ce69-781b-9cff-dbca88abab65" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_019e268d-ce69-716a-80a3-275399875fc7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_019e268d-ce69-78d9-ba29-448caef42ad6" xlink:to="loc_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_019e268d-ce69-716a-80a3-275399875fc7" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses_019e268d-ce69-7ed8-86bb-edabec4ba128" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_019e268d-ce69-78d9-ba29-448caef42ad6" xlink:to="loc_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses_019e268d-ce69-7ed8-86bb-edabec4ba128" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_019e268d-ce69-7f22-8805-68a2d86754df" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_019e268d-ce69-78d9-ba29-448caef42ad6" xlink:to="loc_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_019e268d-ce69-7f22-8805-68a2d86754df" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_txn_DefinedBenefitPlanNetPeriodicBenefitCostNetOfCharges_019e268d-ce69-7593-8038-0866271d985a" xlink:href="txn-20260630.xsd#txn_DefinedBenefitPlanNetPeriodicBenefitCostNetOfCharges"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_019e268d-ce69-78d9-ba29-448caef42ad6" xlink:to="loc_txn_DefinedBenefitPlanNetPeriodicBenefitCostNetOfCharges_019e268d-ce69-7593-8038-0866271d985a" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1_019e2690-6f64-77b3-aa6f-771e9fb6bcbd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_019e268d-ce69-78d9-ba29-448caef42ad6" xlink:to="loc_us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1_019e2690-6f64-77b3-aa6f-771e9fb6bcbd" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_019e2690-6f64-770e-81cc-283bef40b91a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_019e268d-ce69-78d9-ba29-448caef42ad6" xlink:to="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_019e2690-6f64-770e-81cc-283bef40b91a" xlink:type="arc" order="7"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.ti.com/role/DebtandlinesofcreditAdditionalInformationDetails" xlink:type="simple" xlink:href="txn-20260630.xsd#DebtandlinesofcreditAdditionalInformationDetails"/>
  <link:definitionLink xlink:role="http://www.ti.com/role/DebtandlinesofcreditAdditionalInformationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_019e268d-ce6a-7331-b741-d1e2919e46a3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_019e268d-ce6a-7da2-93b3-76468f89bbf8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019e268d-ce6a-7331-b741-d1e2919e46a3" xlink:to="loc_us-gaap_DebtInstrumentTable_019e268d-ce6a-7da2-93b3-76468f89bbf8" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityAxis_019e268d-ce6a-78da-9236-6b959f89d574" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CreditFacilityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_019e268d-ce6a-7da2-93b3-76468f89bbf8" xlink:to="loc_us-gaap_CreditFacilityAxis_019e268d-ce6a-78da-9236-6b959f89d574" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_019e268d-ce6a-78da-9236-6b959f89d574_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CreditFacilityAxis_019e268d-ce6a-78da-9236-6b959f89d574" xlink:to="loc_us-gaap_CreditFacilityDomain_019e268d-ce6a-78da-9236-6b959f89d574_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_019e268d-ce6a-75ed-a82e-85692e12670a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CreditFacilityAxis_019e268d-ce6a-78da-9236-6b959f89d574" xlink:to="loc_us-gaap_CreditFacilityDomain_019e268d-ce6a-75ed-a82e-85692e12670a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_019e268d-ce6a-7dcd-858d-9db7ca3b486c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevolvingCreditFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_019e268d-ce6a-75ed-a82e-85692e12670a" xlink:to="loc_us-gaap_RevolvingCreditFacilityMember_019e268d-ce6a-7dcd-858d-9db7ca3b486c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DelayedDrawTermLoanMember_019f65f2-2284-7d3a-80b6-cb2d6086501d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DelayedDrawTermLoanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_019e268d-ce6a-75ed-a82e-85692e12670a" xlink:to="loc_us-gaap_DelayedDrawTermLoanMember_019f65f2-2284-7d3a-80b6-cb2d6086501d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_019e268d-ce6a-7ddc-b592-c0f7c1da7576" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019e268d-ce6a-7331-b741-d1e2919e46a3" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_019e268d-ce6a-7ddc-b592-c0f7c1da7576" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommercialPaper_019e268d-ce6a-7b1f-aff1-a5739048f3f1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommercialPaper"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019e268d-ce6a-7331-b741-d1e2919e46a3" xlink:to="loc_us-gaap_CommercialPaper_019e268d-ce6a-7b1f-aff1-a5739048f3f1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestAndDebtExpense_019e268d-ce6a-712c-8ca6-3fa4fd9ddff9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestAndDebtExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019e268d-ce6a-7331-b741-d1e2919e46a3" xlink:to="loc_us-gaap_InterestAndDebtExpense_019e268d-ce6a-712c-8ca6-3fa4fd9ddff9" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestCostsCapitalized_019e268d-ce6a-7cf9-992b-0e5862ea8e4c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestCostsCapitalized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019e268d-ce6a-7331-b741-d1e2919e46a3" xlink:to="loc_us-gaap_InterestCostsCapitalized_019e268d-ce6a-7cf9-992b-0e5862ea8e4c" xlink:type="arc" order="3"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.ti.com/role/DebtandlinesofcreditScheduleofLongtermDebtOutstandingDetails" xlink:type="simple" xlink:href="txn-20260630.xsd#DebtandlinesofcreditScheduleofLongtermDebtOutstandingDetails"/>
  <link:definitionLink xlink:role="http://www.ti.com/role/DebtandlinesofcreditScheduleofLongtermDebtOutstandingDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_019e268d-ce6a-75d9-bddb-54d283ed5321" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_019e268d-ce6a-7b14-979f-35ef0f57eea0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019e268d-ce6a-75d9-bddb-54d283ed5321" xlink:to="loc_us-gaap_DebtInstrumentTable_019e268d-ce6a-7b14-979f-35ef0f57eea0" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_019e268d-ce6a-7207-877d-aa933f0166ed" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_019e268d-ce6a-7b14-979f-35ef0f57eea0" xlink:to="loc_us-gaap_DebtInstrumentAxis_019e268d-ce6a-7207-877d-aa933f0166ed" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_019e268d-ce6a-7207-877d-aa933f0166ed_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_019e268d-ce6a-7207-877d-aa933f0166ed" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_019e268d-ce6a-7207-877d-aa933f0166ed_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_019e268d-ce6a-7839-810d-ba9ff9908618" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_019e268d-ce6a-7207-877d-aa933f0166ed" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_019e268d-ce6a-7839-810d-ba9ff9908618" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_txn_FixedOnePointOneTwoFivePercentNotesDue2026Member_019e268d-ce6a-7e19-9533-f8ea9dfbb2d6" xlink:href="txn-20260630.xsd#txn_FixedOnePointOneTwoFivePercentNotesDue2026Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019e268d-ce6a-7839-810d-ba9ff9908618" xlink:to="loc_txn_FixedOnePointOneTwoFivePercentNotesDue2026Member_019e268d-ce6a-7e19-9533-f8ea9dfbb2d6" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_txn_FixedFourPointSixZeroPercentNotesDueTwoThousandTwentySevenMember_019e268d-ce6a-7a2e-bc15-1b5040fe6d3a" xlink:href="txn-20260630.xsd#txn_FixedFourPointSixZeroPercentNotesDueTwoThousandTwentySevenMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019e268d-ce6a-7839-810d-ba9ff9908618" xlink:to="loc_txn_FixedFourPointSixZeroPercentNotesDueTwoThousandTwentySevenMember_019e268d-ce6a-7a2e-bc15-1b5040fe6d3a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_txn_FixedTwoPointNineZeroPercentNotesDueTwoThousandAndTwentySevenMember_019e268d-ce6a-74a5-8bf1-5deff38d4b8f" xlink:href="txn-20260630.xsd#txn_FixedTwoPointNineZeroPercentNotesDueTwoThousandAndTwentySevenMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019e268d-ce6a-7839-810d-ba9ff9908618" xlink:to="loc_txn_FixedTwoPointNineZeroPercentNotesDueTwoThousandAndTwentySevenMember_019e268d-ce6a-74a5-8bf1-5deff38d4b8f" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_txn_FixedFourPointSixZeroPercentNotesDueTwoThousandTwentyEightMember_019e268d-ce6a-7a53-a2d2-b28c8e417844" xlink:href="txn-20260630.xsd#txn_FixedFourPointSixZeroPercentNotesDueTwoThousandTwentyEightMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019e268d-ce6a-7839-810d-ba9ff9908618" xlink:to="loc_txn_FixedFourPointSixZeroPercentNotesDueTwoThousandTwentyEightMember_019e268d-ce6a-7a53-a2d2-b28c8e417844" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_txn_FixedFourPointSixZeroPercentNotesDueTwoThousandTwentyNineMember_019e268d-ce6a-7558-b9d4-9ae37bb293df" xlink:href="txn-20260630.xsd#txn_FixedFourPointSixZeroPercentNotesDueTwoThousandTwentyNineMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019e268d-ce6a-7839-810d-ba9ff9908618" xlink:to="loc_txn_FixedFourPointSixZeroPercentNotesDueTwoThousandTwentyNineMember_019e268d-ce6a-7558-b9d4-9ae37bb293df" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_txn_FixedTwoPointTwoFivePercentNotesDueTwoThousandTwentyNineMember_019e268d-ce6a-71fe-b73d-68eed95dd3a0" xlink:href="txn-20260630.xsd#txn_FixedTwoPointTwoFivePercentNotesDueTwoThousandTwentyNineMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019e268d-ce6a-7839-810d-ba9ff9908618" xlink:to="loc_txn_FixedTwoPointTwoFivePercentNotesDueTwoThousandTwentyNineMember_019e268d-ce6a-71fe-b73d-68eed95dd3a0" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_txn_FixedOnePointSevenFivePercentDueTwoThousandThirtyMember_019e268d-ce6a-7e75-a2b6-bbb8ee31fe0f" xlink:href="txn-20260630.xsd#txn_FixedOnePointSevenFivePercentDueTwoThousandThirtyMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019e268d-ce6a-7839-810d-ba9ff9908618" xlink:to="loc_txn_FixedOnePointSevenFivePercentDueTwoThousandThirtyMember_019e268d-ce6a-7e75-a2b6-bbb8ee31fe0f" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_txn_FixedFourPointFiveZeroPercentDueTwoThousandThirtyMember_019e268d-ce6a-7d3e-b6b4-c5d33aa91e9d" xlink:href="txn-20260630.xsd#txn_FixedFourPointFiveZeroPercentDueTwoThousandThirtyMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019e268d-ce6a-7839-810d-ba9ff9908618" xlink:to="loc_txn_FixedFourPointFiveZeroPercentDueTwoThousandThirtyMember_019e268d-ce6a-7d3e-b6b4-c5d33aa91e9d" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_txn_FixedOnePointNinePercentNotesDue2031Member_019e268d-ce6a-735b-8f17-9a76fc4e62d6" xlink:href="txn-20260630.xsd#txn_FixedOnePointNinePercentNotesDue2031Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019e268d-ce6a-7839-810d-ba9ff9908618" xlink:to="loc_txn_FixedOnePointNinePercentNotesDue2031Member_019e268d-ce6a-735b-8f17-9a76fc4e62d6" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_txn_FixedThreePointSixFivePercentNotesDue2032Member_019e268d-ce6a-7e6b-8e06-ee7a561ae1d9" xlink:href="txn-20260630.xsd#txn_FixedThreePointSixFivePercentNotesDue2032Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019e268d-ce6a-7839-810d-ba9ff9908618" xlink:to="loc_txn_FixedThreePointSixFivePercentNotesDue2032Member_019e268d-ce6a-7e6b-8e06-ee7a561ae1d9" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_txn_FixedFourPointNineZeroPercentNotesDue2033Member_019e268d-ce6a-70df-b15d-3794a901b25e" xlink:href="txn-20260630.xsd#txn_FixedFourPointNineZeroPercentNotesDue2033Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019e268d-ce6a-7839-810d-ba9ff9908618" xlink:to="loc_txn_FixedFourPointNineZeroPercentNotesDue2033Member_019e268d-ce6a-70df-b15d-3794a901b25e" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_txn_FixedFourPointEightFivePercentNotesDueTwoThousandThirtyFourMember_019e268d-ce6a-7bbd-aa96-50f9e63f4fee" xlink:href="txn-20260630.xsd#txn_FixedFourPointEightFivePercentNotesDueTwoThousandThirtyFourMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019e268d-ce6a-7839-810d-ba9ff9908618" xlink:to="loc_txn_FixedFourPointEightFivePercentNotesDueTwoThousandThirtyFourMember_019e268d-ce6a-7bbd-aa96-50f9e63f4fee" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_txn_FixedFivePointOneZeroPercentNotesDueTwoThousandThirtyFiveMember_019e268d-ce6a-77ad-9b0d-715c721af352" xlink:href="txn-20260630.xsd#txn_FixedFivePointOneZeroPercentNotesDueTwoThousandThirtyFiveMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019e268d-ce6a-7839-810d-ba9ff9908618" xlink:to="loc_txn_FixedFivePointOneZeroPercentNotesDueTwoThousandThirtyFiveMember_019e268d-ce6a-77ad-9b0d-715c721af352" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_txn_FixedThreePointEightSevenFivePercentNotesDueTwoThousandAndThirtyNineMember_019e268d-ce6a-7a14-9ea3-839d7f6a7dbb" xlink:href="txn-20260630.xsd#txn_FixedThreePointEightSevenFivePercentNotesDueTwoThousandAndThirtyNineMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019e268d-ce6a-7839-810d-ba9ff9908618" xlink:to="loc_txn_FixedThreePointEightSevenFivePercentNotesDueTwoThousandAndThirtyNineMember_019e268d-ce6a-7a14-9ea3-839d7f6a7dbb" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_txn_FixedFourPointOneFivePercentNotesDueTwoThousandAndFortyEightMember_019e268d-ce6a-782c-8800-52a030d56bcf" xlink:href="txn-20260630.xsd#txn_FixedFourPointOneFivePercentNotesDueTwoThousandAndFortyEightMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019e268d-ce6a-7839-810d-ba9ff9908618" xlink:to="loc_txn_FixedFourPointOneFivePercentNotesDueTwoThousandAndFortyEightMember_019e268d-ce6a-782c-8800-52a030d56bcf" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_txn_FixedTwoPointSevenPercentNotesDue2051Member_019e268d-ce6a-7c08-844e-d9530bd078a8" xlink:href="txn-20260630.xsd#txn_FixedTwoPointSevenPercentNotesDue2051Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019e268d-ce6a-7839-810d-ba9ff9908618" xlink:to="loc_txn_FixedTwoPointSevenPercentNotesDue2051Member_019e268d-ce6a-7c08-844e-d9530bd078a8" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_txn_FixedFourPointOnePercentNotesDue2052Member_019e268d-ce6a-77ca-a414-092e4561b5a5" xlink:href="txn-20260630.xsd#txn_FixedFourPointOnePercentNotesDue2052Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019e268d-ce6a-7839-810d-ba9ff9908618" xlink:to="loc_txn_FixedFourPointOnePercentNotesDue2052Member_019e268d-ce6a-77ca-a414-092e4561b5a5" xlink:type="arc" order="16"/>
    <link:loc xlink:type="locator" xlink:label="loc_txn_FixedFivePointZeroZeroPercentNotesDue2053Member_019e268d-ce6a-7b1f-8789-859aef85db15" xlink:href="txn-20260630.xsd#txn_FixedFivePointZeroZeroPercentNotesDue2053Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019e268d-ce6a-7839-810d-ba9ff9908618" xlink:to="loc_txn_FixedFivePointZeroZeroPercentNotesDue2053Member_019e268d-ce6a-7b1f-8789-859aef85db15" xlink:type="arc" order="17"/>
    <link:loc xlink:type="locator" xlink:label="loc_txn_FixedFivePointOneFivePercentNotesDueTwoThousandFiftyFourMember_019e268d-ce6a-7bc1-8af0-0dc6ed5caaf6" xlink:href="txn-20260630.xsd#txn_FixedFivePointOneFivePercentNotesDueTwoThousandFiftyFourMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019e268d-ce6a-7839-810d-ba9ff9908618" xlink:to="loc_txn_FixedFivePointOneFivePercentNotesDueTwoThousandFiftyFourMember_019e268d-ce6a-7bc1-8af0-0dc6ed5caaf6" xlink:type="arc" order="18"/>
    <link:loc xlink:type="locator" xlink:label="loc_txn_FixedFivePointZeroFivePercentNotesDue2063Member_019e268d-ce6a-71f3-82ca-c12d6a1e936e" xlink:href="txn-20260630.xsd#txn_FixedFivePointZeroFivePercentNotesDue2063Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019e268d-ce6a-7839-810d-ba9ff9908618" xlink:to="loc_txn_FixedFivePointZeroFivePercentNotesDue2063Member_019e268d-ce6a-71f3-82ca-c12d6a1e936e" xlink:type="arc" order="19"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_019e268d-ce6a-7276-941b-d6a5a99cdad4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019e268d-ce6a-75d9-bddb-54d283ed5321" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_019e268d-ce6a-7276-941b-d6a5a99cdad4" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_019e268d-ce6a-7e00-9101-3bc20d1556b9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentCarryingAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019e268d-ce6a-75d9-bddb-54d283ed5321" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_019e268d-ce6a-7e00-9101-3bc20d1556b9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet_019e268d-ce6a-79e7-99fb-b706e919c393" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019e268d-ce6a-75d9-bddb-54d283ed5321" xlink:to="loc_us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet_019e268d-ce6a-79e7-99fb-b706e919c393" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_019e268d-ce6a-798b-b662-f6527402f9bd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019e268d-ce6a-75d9-bddb-54d283ed5321" xlink:to="loc_us-gaap_LongTermDebt_019e268d-ce6a-798b-b662-f6527402f9bd" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtCurrent_019e268d-ce6a-7e04-8a77-93322b8f0411" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebtCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019e268d-ce6a-75d9-bddb-54d283ed5321" xlink:to="loc_us-gaap_LongTermDebtCurrent_019e268d-ce6a-7e04-8a77-93322b8f0411" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_019e268d-ce6a-7cf4-bf44-c3c7d9cf2668" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebtNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019e268d-ce6a-75d9-bddb-54d283ed5321" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_019e268d-ce6a-7cf4-bf44-c3c7d9cf2668" xlink:type="arc" order="5"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.ti.com/role/StockholdersequityDetails" xlink:type="simple" xlink:href="txn-20260630.xsd#StockholdersequityDetails"/>
  <link:definitionLink xlink:role="http://www.ti.com/role/StockholdersequityDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockLineItems_019e268d-ce6a-72bc-b057-003a96b5fdf4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfStockLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfStockByClassTable_019e268d-ce6a-7e24-aa35-7badbdc4b385" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfStockByClassTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ClassOfStockLineItems_019e268d-ce6a-72bc-b057-003a96b5fdf4" xlink:to="loc_us-gaap_ScheduleOfStockByClassTable_019e268d-ce6a-7e24-aa35-7badbdc4b385" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_019e268d-ce6a-71e3-8d27-c4aa17f192f6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementEquityComponentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_019e268d-ce6a-7e24-aa35-7badbdc4b385" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_019e268d-ce6a-71e3-8d27-c4aa17f192f6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_019e268d-ce6a-71e3-8d27-c4aa17f192f6_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_019e268d-ce6a-71e3-8d27-c4aa17f192f6" xlink:to="loc_us-gaap_EquityComponentDomain_019e268d-ce6a-71e3-8d27-c4aa17f192f6_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_019e268d-ce6a-7155-a056-727be97dc1eb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_019e268d-ce6a-71e3-8d27-c4aa17f192f6" xlink:to="loc_us-gaap_EquityComponentDomain_019e268d-ce6a-7155-a056-727be97dc1eb" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockMember_019e268d-ce6a-7c35-aaab-c2d4b1210fcc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_019e268d-ce6a-7155-a056-727be97dc1eb" xlink:to="loc_us-gaap_CommonStockMember_019e268d-ce6a-7c35-aaab-c2d4b1210fcc" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapitalMember_019e268d-ce6a-7c77-a95c-5b917c31b533" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AdditionalPaidInCapitalMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_019e268d-ce6a-7155-a056-727be97dc1eb" xlink:to="loc_us-gaap_AdditionalPaidInCapitalMember_019e268d-ce6a-7c77-a95c-5b917c31b533" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsMember_019e268d-ce6a-7082-81a3-5e67e44431c1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RetainedEarningsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_019e268d-ce6a-7155-a056-727be97dc1eb" xlink:to="loc_us-gaap_RetainedEarningsMember_019e268d-ce6a-7082-81a3-5e67e44431c1" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockCommonMember_019e268d-ce6a-78b7-b15f-507cfe037dee" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TreasuryStockCommonMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_019e268d-ce6a-7155-a056-727be97dc1eb" xlink:to="loc_us-gaap_TreasuryStockCommonMember_019e268d-ce6a-78b7-b15f-507cfe037dee" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_019e268d-ce6a-7337-9c98-755d93fd09aa" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_019e268d-ce6a-7155-a056-727be97dc1eb" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_019e268d-ce6a-7337-9c98-755d93fd09aa" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019e268d-ce6a-72dd-a521-ab99bb62ae8f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInStockholdersEquityRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_019e268d-ce6a-72bc-b057-003a96b5fdf4" xlink:to="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019e268d-ce6a-72dd-a521-ab99bb62ae8f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_019e268d-ce6a-747b-a43a-fc08377aa296" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019e268d-ce6a-72dd-a521-ab99bb62ae8f" xlink:to="loc_us-gaap_StockholdersEquity_019e268d-ce6a-747b-a43a-fc08377aa296" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_019e268d-ce6a-7da1-87c4-f67d32ed94a8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019e268d-ce6a-72dd-a521-ab99bb62ae8f" xlink:to="loc_us-gaap_NetIncomeLoss_019e268d-ce6a-7da1-87c4-f67d32ed94a8" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DividendsCommonStockCash_019e268d-ce6a-702a-852b-c93f8fb66f41" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DividendsCommonStockCash"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019e268d-ce6a-72dd-a521-ab99bb62ae8f" xlink:to="loc_us-gaap_DividendsCommonStockCash_019e268d-ce6a-702a-852b-c93f8fb66f41" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_019e268d-ce6a-7254-9a92-d89fce88e671" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019e268d-ce6a-72dd-a521-ab99bb62ae8f" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_019e268d-ce6a-7254-9a92-d89fce88e671" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockValueAcquiredCostMethod_019e268d-ce6a-70e1-a3eb-837d4de83f0d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TreasuryStockValueAcquiredCostMethod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019e268d-ce6a-72dd-a521-ab99bb62ae8f" xlink:to="loc_us-gaap_TreasuryStockValueAcquiredCostMethod_019e268d-ce6a-70e1-a3eb-837d4de83f0d" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_019e268d-ce6a-75c0-92b4-decfaa3d0d55" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019e268d-ce6a-72dd-a521-ab99bb62ae8f" xlink:to="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_019e268d-ce6a-75c0-92b4-decfaa3d0d55" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_019e268d-ce6a-7ff3-b682-89228a17d79f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019e268d-ce6a-72dd-a521-ab99bb62ae8f" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_019e268d-ce6a-7ff3-b682-89228a17d79f" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DividendsShareBasedCompensationCash_019e268d-ce6a-7103-8155-37044b08989d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DividendsShareBasedCompensationCash"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019e268d-ce6a-72dd-a521-ab99bb62ae8f" xlink:to="loc_us-gaap_DividendsShareBasedCompensationCash_019e268d-ce6a-7103-8155-37044b08989d" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityOther_019e268d-ce6a-70c7-9f09-38f01efaa4de" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquityOther"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019e268d-ce6a-72dd-a521-ab99bb62ae8f" xlink:to="loc_us-gaap_StockholdersEquityOther_019e268d-ce6a-70c7-9f09-38f01efaa4de" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_019e268d-ce6a-7cc6-84b9-146d86b7514f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockDividendsPerShareDeclared_019e268d-ce6a-747a-9626-e5470dbca702" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockDividendsPerShareDeclared"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_019e268d-ce6a-72bc-b057-003a96b5fdf4" xlink:to="loc_us-gaap_CommonStockDividendsPerShareDeclared_019e268d-ce6a-747a-9626-e5470dbca702" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockDividendsPerShareCashPaid_019e268d-ce6a-720b-bcc9-fa395c22420d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockDividendsPerShareCashPaid"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_019e268d-ce6a-72bc-b057-003a96b5fdf4" xlink:to="loc_us-gaap_CommonStockDividendsPerShareCashPaid_019e268d-ce6a-720b-bcc9-fa395c22420d" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.ti.com/role/SupplementalfinancialinformationAcquisitionofSiliconLabsDetails" xlink:type="simple" xlink:href="txn-20260630.xsd#SupplementalfinancialinformationAcquisitionofSiliconLabsDetails"/>
  <link:definitionLink xlink:role="http://www.ti.com/role/SupplementalfinancialinformationAcquisitionofSiliconLabsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionContingentConsiderationLineItems_019e268d-ce6a-7182-9064-5c72fd695167" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessAcquisitionContingentConsiderationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionContingentConsiderationTable_019e268d-ce6a-76dd-b9a4-9bb82417f3da" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionContingentConsiderationTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_BusinessAcquisitionContingentConsiderationLineItems_019e268d-ce6a-7182-9064-5c72fd695167" xlink:to="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionContingentConsiderationTable_019e268d-ce6a-76dd-b9a4-9bb82417f3da" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_019e268d-ce6a-7635-845a-4d4861a2193b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessAcquisitionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionContingentConsiderationTable_019e268d-ce6a-76dd-b9a4-9bb82417f3da" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_019e268d-ce6a-7635-845a-4d4861a2193b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_019e268d-ce6a-7635-845a-4d4861a2193b_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_019e268d-ce6a-7635-845a-4d4861a2193b" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_019e268d-ce6a-7635-845a-4d4861a2193b_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_019e268d-ce6a-7d0c-9fa7-27cac975dba3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_019e268d-ce6a-7635-845a-4d4861a2193b" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_019e268d-ce6a-7d0c-9fa7-27cac975dba3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_txn_SiliconLabsMember_019e268d-ce6a-796d-8e4b-81aa064e6a5a" xlink:href="txn-20260630.xsd#txn_SiliconLabsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_019e268d-ce6a-7d0c-9fa7-27cac975dba3" xlink:to="loc_txn_SiliconLabsMember_019e268d-ce6a-796d-8e4b-81aa064e6a5a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionSharePrice_019e268d-ce6a-77d7-9925-c9fedc41f839" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessAcquisitionSharePrice"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionContingentConsiderationLineItems_019e268d-ce6a-7182-9064-5c72fd695167" xlink:to="loc_us-gaap_BusinessAcquisitionSharePrice_019e268d-ce6a-77d7-9925-c9fedc41f839" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_txn_BusinessCombinationTargetCompanyEstimatedEnterpriseValue_019e268d-ce6a-781a-b481-036026365eb3" xlink:href="txn-20260630.xsd#txn_BusinessCombinationTargetCompanyEstimatedEnterpriseValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionContingentConsiderationLineItems_019e268d-ce6a-7182-9064-5c72fd695167" xlink:to="loc_txn_BusinessCombinationTargetCompanyEstimatedEnterpriseValue_019e268d-ce6a-781a-b481-036026365eb3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationAcquisitionRelatedCosts_019e268d-ce6a-720a-9ec9-718565791b5b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationAcquisitionRelatedCosts"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionContingentConsiderationLineItems_019e268d-ce6a-7182-9064-5c72fd695167" xlink:to="loc_us-gaap_BusinessCombinationAcquisitionRelatedCosts_019e268d-ce6a-720a-9ec9-718565791b5b" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.ti.com/role/SupplementalfinancialinformationAmountsReclassifiedoutofAOCIDetails" xlink:type="simple" xlink:href="txn-20260630.xsd#SupplementalfinancialinformationAmountsReclassifiedoutofAOCIDetails"/>
  <link:definitionLink xlink:role="http://www.ti.com/role/SupplementalfinancialinformationAmountsReclassifiedoutofAOCIDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReclassificationAdjustmentOutOfAccumulatedOtherComprehensiveIncomeLineItems_019e268d-ce6a-7fc0-b3cf-255ad47ab346" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ReclassificationAdjustmentOutOfAccumulatedOtherComprehensiveIncomeLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTable_019e268d-ce6a-7a76-93f1-eb0e1028a19c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ReclassificationAdjustmentOutOfAccumulatedOtherComprehensiveIncomeLineItems_019e268d-ce6a-7fc0-b3cf-255ad47ab346" xlink:to="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTable_019e268d-ce6a-7a76-93f1-eb0e1028a19c" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis_019e268d-ce6a-7de0-928f-43513940a53c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTable_019e268d-ce6a-7a76-93f1-eb0e1028a19c" xlink:to="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis_019e268d-ce6a-7de0-928f-43513940a53c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain_019e268d-ce6a-7de0-928f-43513940a53c_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis_019e268d-ce6a-7de0-928f-43513940a53c" xlink:to="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain_019e268d-ce6a-7de0-928f-43513940a53c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain_019e268d-ce6a-7aae-8459-eb9964aec571" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis_019e268d-ce6a-7de0-928f-43513940a53c" xlink:to="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain_019e268d-ce6a-7aae-8459-eb9964aec571" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember_019e268d-ce6a-71ca-9bdf-e85406c32c43" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain_019e268d-ce6a-7aae-8459-eb9964aec571" xlink:to="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember_019e268d-ce6a-71ca-9bdf-e85406c32c43" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_019e268d-ce6a-7f5b-9bcf-e532776620ef" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementEquityComponentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTable_019e268d-ce6a-7a76-93f1-eb0e1028a19c" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_019e268d-ce6a-7f5b-9bcf-e532776620ef" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_019e268d-ce6a-7f5b-9bcf-e532776620ef_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_019e268d-ce6a-7f5b-9bcf-e532776620ef" xlink:to="loc_us-gaap_EquityComponentDomain_019e268d-ce6a-7f5b-9bcf-e532776620ef_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_019e268d-ce6a-7461-903b-3b10080550f3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_019e268d-ce6a-7f5b-9bcf-e532776620ef" xlink:to="loc_us-gaap_EquityComponentDomain_019e268d-ce6a-7461-903b-3b10080550f3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentNetUnamortizedGainLossMember_019e268d-ce6a-7be5-bdff-c5abdf1d3ed4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccumulatedDefinedBenefitPlansAdjustmentNetUnamortizedGainLossMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_019e268d-ce6a-7461-903b-3b10080550f3" xlink:to="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentNetUnamortizedGainLossMember_019e268d-ce6a-7be5-bdff-c5abdf1d3ed4" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentNetPriorServiceCostCreditMember_019e268d-ce6a-79a7-86a3-8261784850b4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccumulatedDefinedBenefitPlansAdjustmentNetPriorServiceCostCreditMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_019e268d-ce6a-7461-903b-3b10080550f3" xlink:to="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentNetPriorServiceCostCreditMember_019e268d-ce6a-79a7-86a3-8261784850b4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_019e268d-ce6a-7ad0-a776-6b4e9049fed9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherNonoperatingIncomeExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReclassificationAdjustmentOutOfAccumulatedOtherComprehensiveIncomeLineItems_019e268d-ce6a-7fc0-b3cf-255ad47ab346" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_019e268d-ce6a-7ad0-a776-6b4e9049fed9" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_019e268d-ce6a-79dc-975b-63905cd4a182" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReclassificationAdjustmentOutOfAccumulatedOtherComprehensiveIncomeLineItems_019e268d-ce6a-7fc0-b3cf-255ad47ab346" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_019e268d-ce6a-79dc-975b-63905cd4a182" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_019e268d-ce6a-7dfc-882e-e16b6527ba24" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReclassificationAdjustmentOutOfAccumulatedOtherComprehensiveIncomeLineItems_019e268d-ce6a-7fc0-b3cf-255ad47ab346" xlink:to="loc_us-gaap_NetIncomeLoss_019e268d-ce6a-7dfc-882e-e16b6527ba24" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.ti.com/role/SupplementalfinancialinformationTreasuryStockDetails" xlink:type="simple" xlink:href="txn-20260630.xsd#SupplementalfinancialinformationTreasuryStockDetails"/>
  <link:definitionLink xlink:role="http://www.ti.com/role/SupplementalfinancialinformationTreasuryStockDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockLineItems_019e268d-ce6a-7167-b610-c03ff1ed9673" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfStockLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfStockByClassTable_019e268d-ce6a-767b-b8fb-305b0ceb46cb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfStockByClassTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ClassOfStockLineItems_019e268d-ce6a-7167-b610-c03ff1ed9673" xlink:to="loc_us-gaap_ScheduleOfStockByClassTable_019e268d-ce6a-767b-b8fb-305b0ceb46cb" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_019e268d-ce6a-764a-8cd6-262585c173bb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementEquityComponentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_019e268d-ce6a-767b-b8fb-305b0ceb46cb" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_019e268d-ce6a-764a-8cd6-262585c173bb" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_019e268d-ce6a-764a-8cd6-262585c173bb_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_019e268d-ce6a-764a-8cd6-262585c173bb" xlink:to="loc_us-gaap_EquityComponentDomain_019e268d-ce6a-764a-8cd6-262585c173bb_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_019e268d-ce6a-7123-adcd-2483350cbd56" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_019e268d-ce6a-764a-8cd6-262585c173bb" xlink:to="loc_us-gaap_EquityComponentDomain_019e268d-ce6a-7123-adcd-2483350cbd56" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockCommonMember_019e268d-ce6a-7b37-8686-0e172e83db24" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TreasuryStockCommonMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_019e268d-ce6a-7123-adcd-2483350cbd56" xlink:to="loc_us-gaap_TreasuryStockCommonMember_019e268d-ce6a-7b37-8686-0e172e83db24" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInTemporaryEquityRollForward_019e268d-ce6a-70bc-8887-01f0afc6df5b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInTemporaryEquityRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_019e268d-ce6a-7167-b610-c03ff1ed9673" xlink:to="loc_us-gaap_IncreaseDecreaseInTemporaryEquityRollForward_019e268d-ce6a-70bc-8887-01f0afc6df5b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockCommonShares_019e268d-ce6a-7410-8215-9121ef15401b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TreasuryStockCommonShares"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInTemporaryEquityRollForward_019e268d-ce6a-70bc-8887-01f0afc6df5b" xlink:to="loc_us-gaap_TreasuryStockCommonShares_019e268d-ce6a-7410-8215-9121ef15401b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockSharesAcquired_019e268d-ce6a-7f6d-af33-23b9c6581b42" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TreasuryStockSharesAcquired"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInTemporaryEquityRollForward_019e268d-ce6a-70bc-8887-01f0afc6df5b" xlink:to="loc_us-gaap_TreasuryStockSharesAcquired_019e268d-ce6a-7f6d-af33-23b9c6581b42" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation_019e268d-ce6a-7129-870c-7e97c3edd381" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInTemporaryEquityRollForward_019e268d-ce6a-70bc-8887-01f0afc6df5b" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation_019e268d-ce6a-7129-870c-7e97c3edd381" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockCommonShares_019e268d-ce6a-75ea-ab62-ca2e4dcf069e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TreasuryStockCommonShares"/>
  </link:definitionLink>
</link:linkbase>
