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

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2025 Workiva-->
<!--r:7905071b-95db-4b9c-9a90-a53cf61b873b,g:5d014ed7-3a02-48ec-b36d-1546a5c1211e-->
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:rtx="http://www.rtx.com/20241231" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:dtr-types1="http://www.xbrl.org/dtr/type/2020-01-21" xmlns:dtr-types="http://www.xbrl.org/dtr/type/2022-03-31" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" attributeFormDefault="unqualified" elementFormDefault="qualified" targetNamespace="http://www.rtx.com/20241231">
  <xs:import namespace="http://fasb.org/srt/2024" schemaLocation="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd"/>
  <xs:import namespace="http://fasb.org/us-gaap/2024" schemaLocation="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd"/>
  <xs:import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd"/>
  <xs:import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd"/>
  <xs:import namespace="http://www.xbrl.org/dtr/type/2020-01-21" schemaLocation="https://www.xbrl.org/dtr/type/2020-01-21/types.xsd"/>
  <xs:import namespace="http://www.xbrl.org/dtr/type/2022-03-31" schemaLocation="https://www.xbrl.org/dtr/type/2022-03-31/types.xsd"/>
  <xs:import namespace="http://xbrl.org/2005/xbrldt" schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/country/2024" schemaLocation="https://xbrl.sec.gov/country/2024/country-2024.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/cyd-af-sub/2024" schemaLocation="https://xbrl.sec.gov/cyd/2024/cyd-af-sub-2024.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/dei/2024" schemaLocation="https://xbrl.sec.gov/dei/2024/dei-2024.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/ecd/2024" schemaLocation="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd"/>
  <xs:annotation>
    <xs:appinfo>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="rtx-20241231_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="rtx-20241231_def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="rtx-20241231_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="rtx-20241231_cal.xml" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:type="simple"/>
      <link:roleType id="Cover" roleURI="http://www.rtx.com/role/Cover">
        <link:definition>0000001 - Document - Cover</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedStatementofOperations" roleURI="http://www.rtx.com/role/ConsolidatedStatementofOperations">
        <link:definition>9952151 - Statement - Consolidated Statement of Operations</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedStatementofComprehensiveIncome" roleURI="http://www.rtx.com/role/ConsolidatedStatementofComprehensiveIncome">
        <link:definition>9952152 - Statement - Consolidated Statement of Comprehensive Income</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedBalanceSheet" roleURI="http://www.rtx.com/role/ConsolidatedBalanceSheet">
        <link:definition>9952153 - Statement - Consolidated Balance Sheet</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedStatementofCashFlows" roleURI="http://www.rtx.com/role/ConsolidatedStatementofCashFlows">
        <link:definition>9952154 - Statement - Consolidated Statement of Cash Flows</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedStatementofChangesinEquity" roleURI="http://www.rtx.com/role/ConsolidatedStatementofChangesinEquity">
        <link:definition>9952155 - Statement - Consolidated Statement of Changes in Equity</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BasisofPresentationandSummaryofAccountingPrinciples" roleURI="http://www.rtx.com/role/BasisofPresentationandSummaryofAccountingPrinciples">
        <link:definition>9952156 - Disclosure - Basis of Presentation and Summary of Accounting Principles</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AcquisitionsandDispositions" roleURI="http://www.rtx.com/role/AcquisitionsandDispositions">
        <link:definition>9952157 - Disclosure - Acquisitions and Dispositions</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IntangibleAssetsGoodwillandOther" roleURI="http://www.rtx.com/role/IntangibleAssetsGoodwillandOther">
        <link:definition>9952158 - Disclosure - Intangible Assets, Goodwill and Other</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="GoodwillandIntangibleAssets" roleURI="http://www.rtx.com/role/GoodwillandIntangibleAssets">
        <link:definition>9952159 - Disclosure - Goodwill and Intangible Assets</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EarningsPerShare" roleURI="http://www.rtx.com/role/EarningsPerShare">
        <link:definition>9952160 - Disclosure - Earnings Per Share</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AccountsReceivableNet" roleURI="http://www.rtx.com/role/AccountsReceivableNet">
        <link:definition>9952161 - Disclosure - Accounts Receivable, Net</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ContractAssetsandLiabilities" roleURI="http://www.rtx.com/role/ContractAssetsandLiabilities">
        <link:definition>9952162 - Disclosure - Contract Assets and Liabilities</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InventoryNet" roleURI="http://www.rtx.com/role/InventoryNet">
        <link:definition>9952163 - Disclosure - Inventory, Net</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FixedAssets" roleURI="http://www.rtx.com/role/FixedAssets">
        <link:definition>9952164 - Disclosure - Fixed Assets</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BorrowingsandLinesofCredit" roleURI="http://www.rtx.com/role/BorrowingsandLinesofCredit">
        <link:definition>9952165 - Disclosure - Borrowings and Lines of Credit</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EmployeeBenefitPlans" roleURI="http://www.rtx.com/role/EmployeeBenefitPlans">
        <link:definition>9952166 - Disclosure - Employee Benefit Plans</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Leases" roleURI="http://www.rtx.com/role/Leases">
        <link:definition>9952167 - Disclosure - Leases</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxes" roleURI="http://www.rtx.com/role/IncomeTaxes">
        <link:definition>9952168 - Disclosure - Income Taxes</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FinancialInstruments" roleURI="http://www.rtx.com/role/FinancialInstruments">
        <link:definition>9952169 - Disclosure - Financial Instruments</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FairValueMeasurements" roleURI="http://www.rtx.com/role/FairValueMeasurements">
        <link:definition>9952170 - Disclosure - Fair Value Measurements</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="VariableInterestEntities" roleURI="http://www.rtx.com/role/VariableInterestEntities">
        <link:definition>9952171 - Disclosure - Variable Interest Entities</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Guarantees" roleURI="http://www.rtx.com/role/Guarantees">
        <link:definition>9952172 - Disclosure - Guarantees</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CommitmentsandContingencies" roleURI="http://www.rtx.com/role/CommitmentsandContingencies">
        <link:definition>9952173 - Disclosure - Commitments and Contingencies</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Equity" roleURI="http://www.rtx.com/role/Equity">
        <link:definition>9952174 - Disclosure - Equity</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockBasedCompensation" roleURI="http://www.rtx.com/role/StockBasedCompensation">
        <link:definition>9952175 - Disclosure - Stock-Based Compensation</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentFinancialData" roleURI="http://www.rtx.com/role/SegmentFinancialData">
        <link:definition>9952176 - Disclosure - Segment Financial Data</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BasisofPresentationandSummaryofAccountingPrinciplesPolicies" roleURI="http://www.rtx.com/role/BasisofPresentationandSummaryofAccountingPrinciplesPolicies">
        <link:definition>9955511 - Disclosure - Basis of Presentation and Summary of Accounting Principles (Policies)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BasisofPresentationandSummaryofAccountingPrinciplesTables" roleURI="http://www.rtx.com/role/BasisofPresentationandSummaryofAccountingPrinciplesTables">
        <link:definition>9955512 - Disclosure - Basis of Presentation and Summary of Accounting Principles (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IntangibleAssetsGoodwillandOtherTables" roleURI="http://www.rtx.com/role/IntangibleAssetsGoodwillandOtherTables">
        <link:definition>9955513 - Disclosure - Intangible Assets, Goodwill and Other (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="GoodwillandIntangibleAssetsTables" roleURI="http://www.rtx.com/role/GoodwillandIntangibleAssetsTables">
        <link:definition>9955514 - Disclosure - Goodwill and Intangible Assets (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EarningsPerShareTables" roleURI="http://www.rtx.com/role/EarningsPerShareTables">
        <link:definition>9955515 - Disclosure - Earnings Per Share (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AccountsReceivableNetTables" roleURI="http://www.rtx.com/role/AccountsReceivableNetTables">
        <link:definition>9955516 - Disclosure - Accounts Receivable, Net (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ContractAssetLiabilityTables" roleURI="http://www.rtx.com/role/ContractAssetLiabilityTables">
        <link:definition>9955517 - Disclosure - Contract Asset &amp; Liability (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InventoryNetTables" roleURI="http://www.rtx.com/role/InventoryNetTables">
        <link:definition>9955518 - Disclosure - Inventory, Net (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FixedAssetsTables" roleURI="http://www.rtx.com/role/FixedAssetsTables">
        <link:definition>9955519 - Disclosure - Fixed Assets (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BorrowingsandLinesofCreditTables" roleURI="http://www.rtx.com/role/BorrowingsandLinesofCreditTables">
        <link:definition>9955520 - Disclosure - Borrowings and Lines of Credit (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EmployeeBenefitPlansTables" roleURI="http://www.rtx.com/role/EmployeeBenefitPlansTables">
        <link:definition>9955521 - Disclosure - Employee Benefit Plans (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LeasesTables" roleURI="http://www.rtx.com/role/LeasesTables">
        <link:definition>9955522 - Disclosure - Leases (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxesTables" roleURI="http://www.rtx.com/role/IncomeTaxesTables">
        <link:definition>9955523 - Disclosure - Income Taxes (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FinancialInstrumentsTables" roleURI="http://www.rtx.com/role/FinancialInstrumentsTables">
        <link:definition>9955524 - Disclosure - Financial Instruments (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FairValueMeasurementsTables" roleURI="http://www.rtx.com/role/FairValueMeasurementsTables">
        <link:definition>9955525 - Disclosure - Fair Value Measurements (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="VariableInterestEntitiesTables" roleURI="http://www.rtx.com/role/VariableInterestEntitiesTables">
        <link:definition>9955526 - Disclosure - Variable Interest Entities (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="GuaranteesTables" roleURI="http://www.rtx.com/role/GuaranteesTables">
        <link:definition>9955527 - Disclosure - Guarantees (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CommitmentsandContingenciesTables" roleURI="http://www.rtx.com/role/CommitmentsandContingenciesTables">
        <link:definition>9955528 - Disclosure - Commitments and Contingencies (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EquityTables" roleURI="http://www.rtx.com/role/EquityTables">
        <link:definition>9955529 - Disclosure - Equity (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockBasedCompensationTables" roleURI="http://www.rtx.com/role/StockBasedCompensationTables">
        <link:definition>9955530 - Disclosure - Stock-Based Compensation (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentFinancialDataTables" roleURI="http://www.rtx.com/role/SegmentFinancialDataTables">
        <link:definition>9955531 - Disclosure - Segment Financial Data (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BasisofPresentationandSummaryofAccountingPrinciplesDetails" roleURI="http://www.rtx.com/role/BasisofPresentationandSummaryofAccountingPrinciplesDetails">
        <link:definition>9955532 - Disclosure - Basis of Presentation and Summary of Accounting Principles (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BasisofPresentationandSummaryofAccountingPrinciplesIndefiniteLivedIntangibleAssetsDetails" roleURI="http://www.rtx.com/role/BasisofPresentationandSummaryofAccountingPrinciplesIndefiniteLivedIntangibleAssetsDetails">
        <link:definition>9955533 - Disclosure - Basis of Presentation and Summary of Accounting Principles (Indefinite Lived Intangible Assets) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BasisofPresentationandSummaryofAccountingPrinciplesScheduleofchangeinaccountingestimatesDetails" roleURI="http://www.rtx.com/role/BasisofPresentationandSummaryofAccountingPrinciplesScheduleofchangeinaccountingestimatesDetails">
        <link:definition>9955534 - Disclosure - Basis of Presentation and Summary of Accounting Principles (Schedule of change in accounting estimates) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BasisofPresentationandSummaryofAccountingPrinciplesCollaborativeArrangementsDetails" roleURI="http://www.rtx.com/role/BasisofPresentationandSummaryofAccountingPrinciplesCollaborativeArrangementsDetails">
        <link:definition>9955535 - Disclosure - Basis of Presentation and Summary of Accounting Principles (Collaborative Arrangements) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AcquisitionsandDispositionsDetails" roleURI="http://www.rtx.com/role/AcquisitionsandDispositionsDetails">
        <link:definition>9955536 - Disclosure - Acquisitions and Dispositions (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IntangibleAssetsGoodwillandOtherDetails" roleURI="http://www.rtx.com/role/IntangibleAssetsGoodwillandOtherDetails">
        <link:definition>9955537 - Disclosure - Intangible Assets, Goodwill and Other (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="GoodwillandIntangibleAssetsGoodwillDetails" roleURI="http://www.rtx.com/role/GoodwillandIntangibleAssetsGoodwillDetails">
        <link:definition>9955538 - Disclosure - Goodwill and Intangible Assets (Goodwill) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="GoodwillandIntangibleAssetsIntangibleAssetsDetails" roleURI="http://www.rtx.com/role/GoodwillandIntangibleAssetsIntangibleAssetsDetails">
        <link:definition>9955539 - Disclosure - Goodwill and Intangible Assets (Intangible Assets) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="GoodwillandIntangibleAssetsAmortizationExpenseDetails" roleURI="http://www.rtx.com/role/GoodwillandIntangibleAssetsAmortizationExpenseDetails">
        <link:definition>9955540 - Disclosure - Goodwill and Intangible Assets (Amortization Expense) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EarningsPerShareDetails" roleURI="http://www.rtx.com/role/EarningsPerShareDetails">
        <link:definition>9955541 - Disclosure - Earnings Per Share (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AccountsReceivableNetScheduleofAccountsReceivableNetDetails" roleURI="http://www.rtx.com/role/AccountsReceivableNetScheduleofAccountsReceivableNetDetails">
        <link:definition>9955542 - Disclosure - Accounts Receivable, Net (Schedule of Accounts Receivable, Net) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AccountsReceivableNetAllowanceforCreditLossesDetails" roleURI="http://www.rtx.com/role/AccountsReceivableNetAllowanceforCreditLossesDetails">
        <link:definition>9955543 - Disclosure - Accounts Receivable, Net (Allowance for Credit Losses) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ContractwithCustomerAssetandLiabilityDetails" roleURI="http://www.rtx.com/role/ContractwithCustomerAssetandLiabilityDetails">
        <link:definition>9955544 - Disclosure - Contract with Customer, Asset and Liability (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ContractAssetsandLiabilitiesScheduleofContractAssetsandContractLiabilitiesDetails" roleURI="http://www.rtx.com/role/ContractAssetsandLiabilitiesScheduleofContractAssetsandContractLiabilitiesDetails">
        <link:definition>9955545 - Disclosure - Contract Assets and Liabilities (Schedule of Contract Assets and Contract Liabilities) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ContractAssetsandLiabilitiesScheduleofContractAssetsDetails" roleURI="http://www.rtx.com/role/ContractAssetsandLiabilitiesScheduleofContractAssetsDetails">
        <link:definition>9955546 - Disclosure - Contract Assets and Liabilities (Schedule of Contract Assets) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InventoryNetDetails" roleURI="http://www.rtx.com/role/InventoryNetDetails">
        <link:definition>9955547 - Disclosure - Inventory, Net (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FixedAssetsDetails" roleURI="http://www.rtx.com/role/FixedAssetsDetails">
        <link:definition>9955548 - Disclosure - Fixed Assets (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BorrowingsandLinesofCreditNarrativeDetails" roleURI="http://www.rtx.com/role/BorrowingsandLinesofCreditNarrativeDetails">
        <link:definition>9955549 - Disclosure - Borrowings and Lines of Credit (Narrative) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BorrowingsandLinesofCreditScheduleofShorttermBorrowingsDetails" roleURI="http://www.rtx.com/role/BorrowingsandLinesofCreditScheduleofShorttermBorrowingsDetails">
        <link:definition>9955550 - Disclosure - Borrowings and Lines of Credit (Schedule of Short-term Borrowings) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BorrowingsandLinesofCreditScheduleofIssuancesofLongtermDebtDetails" roleURI="http://www.rtx.com/role/BorrowingsandLinesofCreditScheduleofIssuancesofLongtermDebtDetails">
        <link:definition>9955551 - Disclosure - Borrowings and Lines of Credit (Schedule of Issuances of Long-term Debt) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BorrowingsandLinesofCreditRepaymentsofLongtermDebtDetails" roleURI="http://www.rtx.com/role/BorrowingsandLinesofCreditRepaymentsofLongtermDebtDetails">
        <link:definition>9955552 - Disclosure - Borrowings and Lines of Credit (Repayments of Long-term Debt) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BorrowingsandLinesofCreditScheduleofLongtermDebtInstrumentsDetails" roleURI="http://www.rtx.com/role/BorrowingsandLinesofCreditScheduleofLongtermDebtInstrumentsDetails">
        <link:definition>9955553 - Disclosure - Borrowings and Lines of Credit (Schedule of Long-term Debt Instruments) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BorrowingsandLinesofCreditScheduleofPrincipalPaymentsonLongtermDebtDetails" roleURI="http://www.rtx.com/role/BorrowingsandLinesofCreditScheduleofPrincipalPaymentsonLongtermDebtDetails">
        <link:definition>9955554 - Disclosure - Borrowings and Lines of Credit (Schedule of Principal Payments on Long-term Debt) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EmployeeBenefitPlansEmployeeSavingsPlansNarrativeDetails" roleURI="http://www.rtx.com/role/EmployeeBenefitPlansEmployeeSavingsPlansNarrativeDetails">
        <link:definition>9955555 - Disclosure - Employee Benefit Plans (Employee Savings Plans) (Narrative) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EmployeeBenefitPlansPensionandPostretirementPlansDetails" roleURI="http://www.rtx.com/role/EmployeeBenefitPlansPensionandPostretirementPlansDetails">
        <link:definition>9955556 - Disclosure - Employee Benefit Plans (Pension and Postretirement Plans) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EmployeeBenefitPlansScheduleofPensionandPRBContributionsDetails" roleURI="http://www.rtx.com/role/EmployeeBenefitPlansScheduleofPensionandPRBContributionsDetails">
        <link:definition>9955557 - Disclosure - Employee Benefit Plans (Schedule of Pension and PRB Contributions) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EmployeeBenefitPlansScheduleofDefinedBenefitPlanDisclosuresDetails" roleURI="http://www.rtx.com/role/EmployeeBenefitPlansScheduleofDefinedBenefitPlanDisclosuresDetails">
        <link:definition>9955558 - Disclosure - Employee Benefit Plans (Schedule of Defined Benefit Plan Disclosures) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EmployeeBenefitPlansScheduleofPlanwithABOinExcessofPlanAssetsDetails" roleURI="http://www.rtx.com/role/EmployeeBenefitPlansScheduleofPlanwithABOinExcessofPlanAssetsDetails">
        <link:definition>9955559 - Disclosure - Employee Benefit Plans (Schedule of Plan with ABO in Excess of Plan Assets) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EmployeeBenefitPlansScheduleofPlanwithPBOinExcessofPlanAssetsDetails" roleURI="http://www.rtx.com/role/EmployeeBenefitPlansScheduleofPlanwithPBOinExcessofPlanAssetsDetails">
        <link:definition>9955560 - Disclosure - Employee Benefit Plans (Schedule of Plan with PBO in Excess of Plan Assets) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EmployeeBenefitPlansComponentsofNetPeriodicPensionIncomeExpenseDetails" roleURI="http://www.rtx.com/role/EmployeeBenefitPlansComponentsofNetPeriodicPensionIncomeExpenseDetails">
        <link:definition>9955561 - Disclosure - Employee Benefit Plans (Components of Net Periodic Pension (Income) Expense) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EmployeeBenefitPlansScheduleofPensionAmountsRecognizedinOtherComprehensiveIncomeLossDetails" roleURI="http://www.rtx.com/role/EmployeeBenefitPlansScheduleofPensionAmountsRecognizedinOtherComprehensiveIncomeLossDetails">
        <link:definition>9955562 - Disclosure - Employee Benefit Plans (Schedule of Pension Amounts Recognized in Other Comprehensive Income (Loss) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EmployeeBenefitPlansScheduleofExpectedBenefitPaymentsDetails" roleURI="http://www.rtx.com/role/EmployeeBenefitPlansScheduleofExpectedBenefitPaymentsDetails">
        <link:definition>9955563 - Disclosure - Employee Benefit Plans (Schedule of Expected Benefit Payments) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EmployeeBenefitPlansDefinedBenefitPlanAssumptionsPensionDetails" roleURI="http://www.rtx.com/role/EmployeeBenefitPlansDefinedBenefitPlanAssumptionsPensionDetails">
        <link:definition>9955564 - Disclosure - Employee Benefit Plans (Defined Benefit Plan, Assumptions, Pension) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EmployeeBenefitPlansScheduleofAllocationofPlanAssetsDetails" roleURI="http://www.rtx.com/role/EmployeeBenefitPlansScheduleofAllocationofPlanAssetsDetails">
        <link:definition>9955565 - Disclosure - Employee Benefit Plans (Schedule of Allocation of Plan Assets) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EmployeeBenefitPlansPensionPlansLevel3SignificantUnobservableInputsDetails" roleURI="http://www.rtx.com/role/EmployeeBenefitPlansPensionPlansLevel3SignificantUnobservableInputsDetails">
        <link:definition>9955566 - Disclosure - Employee Benefit Plans (Pension Plans) (Level 3 Significant Unobservable Inputs) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EmployeeBenefitPlansMarketableSecuritiesDetails" roleURI="http://www.rtx.com/role/EmployeeBenefitPlansMarketableSecuritiesDetails">
        <link:definition>9955567 - Disclosure - Employee Benefit Plans (Marketable Securities) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LeasesDetails" roleURI="http://www.rtx.com/role/LeasesDetails">
        <link:definition>9955568 - Disclosure - Leases (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxesDetails" roleURI="http://www.rtx.com/role/IncomeTaxesDetails">
        <link:definition>9955569 - Disclosure - Income Taxes (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxesScheduleofIncomebeforeTaxesDetails" roleURI="http://www.rtx.com/role/IncomeTaxesScheduleofIncomebeforeTaxesDetails">
        <link:definition>9955570 - Disclosure - Income Taxes (Schedule of Income before Taxes) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxesScheduleofComponentsofIncomeTaxExpenseBenefitDetails" roleURI="http://www.rtx.com/role/IncomeTaxesScheduleofComponentsofIncomeTaxExpenseBenefitDetails">
        <link:definition>9955571 - Disclosure - Income Taxes (Schedule of Components of Income Tax Expense (Benefit)) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxesScheduleofEffectiveIncomeTaxRateReconciliationDetails" roleURI="http://www.rtx.com/role/IncomeTaxesScheduleofEffectiveIncomeTaxRateReconciliationDetails">
        <link:definition>9955572 - Disclosure - Income Taxes (Schedule of Effective Income Tax Rate Reconciliation) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxesScheduleofDeferredTaxAssetsandLiabilitiesDetails" roleURI="http://www.rtx.com/role/IncomeTaxesScheduleofDeferredTaxAssetsandLiabilitiesDetails">
        <link:definition>9955573 - Disclosure - Income Taxes (Schedule of Deferred Tax Assets and Liabilities) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxesValuationAllowanceDetails" roleURI="http://www.rtx.com/role/IncomeTaxesValuationAllowanceDetails">
        <link:definition>9955574 - Disclosure - Income Taxes (Valuation Allowance) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxesTaxCarryforwardsDetails" roleURI="http://www.rtx.com/role/IncomeTaxesTaxCarryforwardsDetails">
        <link:definition>9955575 - Disclosure - Income Taxes (Tax Carryforwards) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxesUnrecognizedTaxBenefitsDetails" roleURI="http://www.rtx.com/role/IncomeTaxesUnrecognizedTaxBenefitsDetails">
        <link:definition>9955576 - Disclosure - Income Taxes (Unrecognized Tax Benefits) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FinancialInstrumentsDetails" roleURI="http://www.rtx.com/role/FinancialInstrumentsDetails">
        <link:definition>9955577 - Disclosure - Financial Instruments (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FairValueMeasurementsFairValueHierarchyDetails" roleURI="http://www.rtx.com/role/FairValueMeasurementsFairValueHierarchyDetails">
        <link:definition>9955578 - Disclosure - Fair Value Measurements (Fair Value Hierarchy) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FairValueMeasurementsFairValueTechniquesDetails" roleURI="http://www.rtx.com/role/FairValueMeasurementsFairValueTechniquesDetails">
        <link:definition>9955579 - Disclosure - Fair Value Measurements (Fair Value Techniques) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="VariableInterestEntitiesDetails" roleURI="http://www.rtx.com/role/VariableInterestEntitiesDetails">
        <link:definition>9955580 - Disclosure - Variable Interest Entities (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="GuaranteesDetails" roleURI="http://www.rtx.com/role/GuaranteesDetails">
        <link:definition>9955581 - Disclosure - Guarantees (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CommitmentsandContingenciesDetails" roleURI="http://www.rtx.com/role/CommitmentsandContingenciesDetails">
        <link:definition>9955582 - Disclosure - Commitments and Contingencies (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CommitmentsandContingenciesScheduleofCommercialAerospaceIndustryCommitmentsDetails" roleURI="http://www.rtx.com/role/CommitmentsandContingenciesScheduleofCommercialAerospaceIndustryCommitmentsDetails">
        <link:definition>9955583 - Disclosure - Commitments and Contingencies (Schedule of Commercial Aerospace Industry Commitments) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EquitySummaryofChangesinAOCIDetails" roleURI="http://www.rtx.com/role/EquitySummaryofChangesinAOCIDetails">
        <link:definition>9955584 - Disclosure - Equity (Summary of Changes in AOCI) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EquityAcceleratedShareRepurchaseDetails" roleURI="http://www.rtx.com/role/EquityAcceleratedShareRepurchaseDetails">
        <link:definition>9955585 - Disclosure - Equity (Accelerated Share Repurchase) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockBasedCompensationDetails" roleURI="http://www.rtx.com/role/StockBasedCompensationDetails">
        <link:definition>9955586 - Disclosure - Stock-Based Compensation (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockBasedCompensationStockBasedCompensationExpenseDetails" roleURI="http://www.rtx.com/role/StockBasedCompensationStockBasedCompensationExpenseDetails">
        <link:definition>9955587 - Disclosure - Stock-Based Compensation (Stock-Based Compensation Expense) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockBasedCompensationScheduleofStockOptionsRollForwardDetails" roleURI="http://www.rtx.com/role/StockBasedCompensationScheduleofStockOptionsRollForwardDetails">
        <link:definition>9955588 - Disclosure - Stock-Based Compensation (Schedule of Stock Options Roll Forward) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockBasedCompensationShareBasedCompensationArrangementsbyShareBasedPaymentAwardDetails" roleURI="http://www.rtx.com/role/StockBasedCompensationShareBasedCompensationArrangementsbyShareBasedPaymentAwardDetails">
        <link:definition>9955589 - Disclosure - Stock-Based Compensation (Share-Based Compensation Arrangements by Share Based Payment Award) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockBasedCompensationScheduleofValuationAssumptionsDetails" roleURI="http://www.rtx.com/role/StockBasedCompensationScheduleofValuationAssumptionsDetails">
        <link:definition>9955590 - Disclosure - Stock-Based Compensation (Schedule of Valuation Assumptions) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentFinancialDataSegmentInformationDetails" roleURI="http://www.rtx.com/role/SegmentFinancialDataSegmentInformationDetails">
        <link:definition>9955591 - Disclosure - Segment Financial Data (Segment Information) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentFinancialDataGeographicExternalSalesbyOriginandLongLivedAssetsDetails" roleURI="http://www.rtx.com/role/SegmentFinancialDataGeographicExternalSalesbyOriginandLongLivedAssetsDetails">
        <link:definition>9955592 - Disclosure - Segment Financial Data (Geographic External Sales by Origin and Long-Lived Assets) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentFinancialDataDisaggregationofRevenueDetails" roleURI="http://www.rtx.com/role/SegmentFinancialDataDisaggregationofRevenueDetails">
        <link:definition>9955593 - Disclosure - Segment Financial Data (Disaggregation of Revenue) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
    </xs:appinfo>
  </xs:annotation>
  <xs:element id="rtx_Notes2.150Due2030Member" abstract="true" name="Notes2.150Due2030Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rtx_CapitalStockAbstract" abstract="true" name="CapitalStockAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="rtx_DefinedContributionPlanMember" abstract="true" name="DefinedContributionPlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rtx_DefinedBenefitPlanMember" abstract="true" name="DefinedBenefitPlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rtx_NoncontrollingInterestIncreaseDecreaseFromCapitalContributionsDistributions" abstract="false" name="NoncontrollingInterestIncreaseDecreaseFromCapitalContributionsDistributions" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rtx_TreasurySharesReissuedRelatedToMatchingContributionsUnderDefinedContributionPlans" abstract="false" name="TreasurySharesReissuedRelatedToMatchingContributionsUnderDefinedContributionPlans" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="rtx_ScheduleofVariableInterestEntitiesAbstract" abstract="true" name="ScheduleofVariableInterestEntitiesAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="rtx_ContractwithCustomerAssetsandLiabilitiesPolicyTextBlock" abstract="false" name="ContractwithCustomerAssetsandLiabilitiesPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="rtx_RemainingPerformanceObligationsPolicyTextBlock" abstract="false" name="RemainingPerformanceObligationsPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="rtx_ScheduleOfFiniteLivedIntangibleAssetsEstimatedUsefulLivesTableTextBlock" abstract="false" name="ScheduleOfFiniteLivedIntangibleAssetsEstimatedUsefulLivesTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="rtx_ScheduleOfCostsInExcessOfBillingsAndBillingsInExcessOfCostsTableTextBlock" abstract="false" name="ScheduleOfCostsInExcessOfBillingsAndBillingsInExcessOfCostsTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="rtx_ScheduleOfIssuancesOfLongTermDebtTableTextBlock" abstract="false" name="ScheduleOfIssuancesOfLongTermDebtTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="rtx_ScheduleOfRepaymentsOfLongTermDebtTableTextBlock" abstract="false" name="ScheduleOfRepaymentsOfLongTermDebtTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="rtx_ScheduleofPrincipalPaymentsonLongtermDebtTableTextBlock" abstract="false" name="ScheduleofPrincipalPaymentsonLongtermDebtTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="rtx_ScheduleOfPensionAndPRBContributionsTableTextBlock" abstract="false" name="ScheduleOfPensionAndPRBContributionsTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="rtx_SupplementaloperatingleasecashflowinformationTableTextBlock" abstract="false" name="SupplementaloperatingleasecashflowinformationTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="rtx_OperatingLeaseLiabilitiesRecognizedInStatementOfFinancialPositionTableTextBlock" abstract="false" name="OperatingLeaseLiabilitiesRecognizedInStatementOfFinancialPositionTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="rtx_ScheduleOfExpectedMaturityOfCommercialAerospaceIndustryCommitmentsTableTextBlock" abstract="false" name="ScheduleOfExpectedMaturityOfCommercialAerospaceIndustryCommitmentsTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="rtx_BasisOfPresentationTable" abstract="true" name="BasisOfPresentationTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="rtx_CollinsAerospaceMember" abstract="true" name="CollinsAerospaceMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rtx_RussiaSanctionsImpactOnPrattWhitneyAndCollinsMember" abstract="true" name="RussiaSanctionsImpactOnPrattWhitneyAndCollinsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rtx_ContractCancellationMember" abstract="true" name="ContractCancellationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rtx_InitiatingAlternativeTitaniumSourcesMember" abstract="true" name="InitiatingAlternativeTitaniumSourcesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rtx_CommercialAerospaceMember" abstract="true" name="CommercialAerospaceMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rtx_DOJInvestigationAndContractPricingDisputesMember" abstract="true" name="DOJInvestigationAndContractPricingDisputesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rtx_ThalesRaytheonSystemsAndRelatedMattersMember" abstract="true" name="ThalesRaytheonSystemsAndRelatedMattersMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rtx_TradeComplianceMattersMember" abstract="true" name="TradeComplianceMattersMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rtx_BasisOfPresentationLineItems" abstract="true" name="BasisOfPresentationLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="rtx_ChargesAssociatedWithAlternativeTitaniumSourcesAtCollins" abstract="false" name="ChargesAssociatedWithAlternativeTitaniumSourcesAtCollins" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rtx_ChargesAsAResultOfRussiaSanctionsAndExportControlsGross" abstract="false" name="ChargesAsAResultOfRussiaSanctionsAndExportControlsGross" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rtx_ChargesAsAResultOfRussiaSanctionsAndExportControlsNetOfTax" abstract="false" name="ChargesAsAResultOfRussiaSanctionsAndExportControlsNetOfTax" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rtx_AccountsReceivableAfterAllowanceForCreditLossPercent" abstract="false" name="AccountsReceivableAfterAllowanceForCreditLossPercent" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="rtx_ContractualObligationConsumedinCurrentYear" abstract="false" name="ContractualObligationConsumedinCurrentYear" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rtx_CollaboratorsInterestsExistingProgramsLowEnd" abstract="false" name="CollaboratorsInterestsExistingProgramsLowEnd" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="rtx_CollaboratorsInterestsExistingProgramsHighEnd" abstract="false" name="CollaboratorsInterestsExistingProgramsHighEnd" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="rtx_PartnerShareIndividualProgramMaximum" abstract="false" name="PartnerShareIndividualProgramMaximum" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="rtx_RevenueRemainingPerformanceObligationsToBeRecognizedWithin12Months" abstract="false" name="RevenueRemainingPerformanceObligationsToBeRecognizedWithin12Months" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="rtx_RevenueRemainingPerformanceObligationsRPORelatedToLongTermCommercialAerospaceMaintenanceContractsAtPrattWhitney" abstract="false" name="RevenueRemainingPerformanceObligationsRPORelatedToLongTermCommercialAerospaceMaintenanceContractsAtPrattWhitney" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="rtx_RevenueRemainingPerformanceObligationGeneralSpanOfPrattWhitneyLongTermCommercialAerospaceMaintenanceContracts" abstract="false" name="RevenueRemainingPerformanceObligationGeneralSpanOfPrattWhitneyLongTermCommercialAerospaceMaintenanceContracts" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="rtx_NetOperatingBenefitRecognizedAtRaytheonAsAResultOfWorkRestartedAfterObtainingCriticalLicensesAndRegulatoryApprovalsForCertainContractsWithAMiddleEastCustomer" abstract="false" name="NetOperatingBenefitRecognizedAtRaytheonAsAResultOfWorkRestartedAfterObtainingCriticalLicensesAndRegulatoryApprovalsForCertainContractsWithAMiddleEastCustomer" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rtx_CollaborationAssetMember" abstract="true" name="CollaborationAssetMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rtx_PatentsAndTrademarksMember" abstract="true" name="PatentsAndTrademarksMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rtx_ExclusivityAssetsMember" abstract="true" name="ExclusivityAssetsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rtx_CostOfGoodsSoldMember" abstract="true" name="CostOfGoodsSoldMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rtx_CostOfServicesMember" abstract="true" name="CostOfServicesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rtx_SellingGeneralAndAdministrativeMember" abstract="true" name="SellingGeneralAndAdministrativeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rtx_CollaboratorShareOfRevenuesAmount" abstract="false" name="CollaboratorShareOfRevenuesAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rtx_CollaboratorShareOfProgramCostsAmount" abstract="false" name="CollaboratorShareOfProgramCostsAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rtx_PrattWhitneysReductionOfTotalCostOfSalesRelatedToOurCollaboratorsShareOfThePowderMetalMatter" abstract="false" name="PrattWhitneysReductionOfTotalCostOfSalesRelatedToOurCollaboratorsShareOfThePowderMetalMatter" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rtx_RaytheonsCybersecurityIntelligenceAndServicesBusinessMember" abstract="true" name="RaytheonsCybersecurityIntelligenceAndServicesBusinessMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rtx_CollinsGoodrichHoistWinchBusinessMember" abstract="true" name="CollinsGoodrichHoistWinchBusinessMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rtx_CollinsActuationAndFlightControlBusinessMember" abstract="true" name="CollinsActuationAndFlightControlBusinessMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rtx_DisposalGroupNotDiscontinuedOperationGainLossOnDisposalAfterTax" abstract="false" name="DisposalGroupNotDiscontinuedOperationGainLossOnDisposalAfterTax" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rtx_ExpectedProceedsFromDivestitureOfBusiness" abstract="false" name="ExpectedProceedsFromDivestitureOfBusiness" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rtx_CollinsAerospaceSystemsMember" abstract="true" name="CollinsAerospaceSystemsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rtx_PrattAndWhitneyMember" abstract="true" name="PrattAndWhitneyMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rtx_RaytheonMember" abstract="true" name="RaytheonMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rtx_TotalSegmentsMember" abstract="true" name="TotalSegmentsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rtx_EliminationsAndOtherMember" abstract="true" name="EliminationsAndOtherMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rtx_CollaborationMember" abstract="true" name="CollaborationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rtx_ContractwithCustomerAssetChange" abstract="false" name="ContractwithCustomerAssetChange" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rtx_ContractWithCustomerLiabilityChange" abstract="false" name="ContractWithCustomerLiabilityChange" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rtx_ContractsWithCustomerAssetAndLiabilitiesNet" abstract="false" name="ContractsWithCustomerAssetAndLiabilitiesNet" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rtx_RevolvingCreditAgreementMember" abstract="true" name="RevolvingCreditAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rtx_TermLoansMember" abstract="true" name="TermLoansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rtx_AcceleratedShareRepurchaseASRAxis" abstract="true" name="AcceleratedShareRepurchaseASRAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="rtx_AcceleratedShareRepurchaseASRDomain" abstract="true" name="AcceleratedShareRepurchaseASRDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rtx_AcceleratedShareRepurchaseASRMember" abstract="true" name="AcceleratedShareRepurchaseASRMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rtx_AverageYearsofMaturityofLongTermDebt" abstract="false" name="AverageYearsofMaturityofLongTermDebt" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="rtx_Notes5750Due2026Member" abstract="true" name="Notes5750Due2026Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rtx_Notes5750Due2029Member" abstract="true" name="Notes5750Due2029Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rtx_Notes6000Due2031Member" abstract="true" name="Notes6000Due2031Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rtx_Notes6100Due2034Member" abstract="true" name="Notes6100Due2034Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rtx_Notes6400Due2054Member" abstract="true" name="Notes6400Due2054Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rtx_A3MonthSOFRPlus1225Due2025Member" abstract="true" name="A3MonthSOFRPlus1225Due2025Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rtx_A3MonthSOFRPlus1225TermLoanDue2026Member" abstract="true" name="A3MonthSOFRPlus1225TermLoanDue2026Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rtx_Notes5000Due2026Member" abstract="true" name="Notes5000Due2026Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rtx_Notes5150Due2033Member" abstract="true" name="Notes5150Due2033Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rtx_Notes5375Due2053Member" abstract="true" name="Notes5375Due2053Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rtx_Notes3150Due2024Member" abstract="true" name="Notes3150Due2024Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rtx_Notes3.200Due2024Member" abstract="true" name="Notes3.200Due2024Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rtx_Notes3.700Due2023Member" abstract="true" name="Notes3.700Due2023Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rtx_Notes3.650Due2023Member" abstract="true" name="Notes3.650Due2023Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rtx_A2025TermLoanRepaymentDatesAxis" abstract="true" name="A2025TermLoanRepaymentDatesAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="rtx_A2025TermLoanRepaymentDatesDomain" abstract="true" name="A2025TermLoanRepaymentDatesDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rtx_December242024Member" abstract="true" name="December242024Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rtx_May72024Member" abstract="true" name="May72024Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rtx_April172024Member" abstract="true" name="April172024Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rtx_April42024Member" abstract="true" name="April42024Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rtx_Notes3.950Due2025Member" abstract="true" name="Notes3.950Due2025Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rtx_Notes2.650Due2026Member" abstract="true" name="Notes2.650Due2026Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rtx_Notes3.125Due2027Member" abstract="true" name="Notes3.125Due2027Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rtx_Notes3.500Due2027Member" abstract="true" name="Notes3.500Due2027Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rtx_Notes7200Due2027Member" abstract="true" name="Notes7200Due2027Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rtx_Notes7100Due2027Member" abstract="true" name="Notes7100Due2027Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rtx_Notes6700Due2028Member" abstract="true" name="Notes6700Due2028Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rtx_Notes7000Due2028Member" abstract="true" name="Notes7000Due2028Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rtx_Notes4.125Due2028Member" abstract="true" name="Notes4.125Due2028Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rtx_Notes7500Due2029Member" abstract="true" name="Notes7500Due2029Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rtx_Notes2250Due2030Member" abstract="true" name="Notes2250Due2030Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rtx_Notes1900Due2031Member" abstract="true" name="Notes1900Due2031Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rtx_Notes2375Due2032Member" abstract="true" name="Notes2375Due2032Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rtx_Notes5400Due2035Member" abstract="true" name="Notes5400Due2035Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rtx_Notes6050Due2036Member" abstract="true" name="Notes6050Due2036Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rtx_Notes6800Due2036Member" abstract="true" name="Notes6800Due2036Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rtx_Notes7000Due2038Member" abstract="true" name="Notes7000Due2038Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rtx_Notes6125Due2038Member" abstract="true" name="Notes6125Due2038Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rtx_Notes4.450Due2038Member" abstract="true" name="Notes4.450Due2038Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rtx_Notes5700Due2040Member" abstract="true" name="Notes5700Due2040Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rtx_Notes4875Due2040Member" abstract="true" name="Notes4875Due2040Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rtx_Notes4700Due2041Member" abstract="true" name="Notes4700Due2041Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rtx_Notes4500Due2042Member" abstract="true" name="Notes4500Due2042Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rtx_Notes4.800Due2043Member" abstract="true" name="Notes4.800Due2043Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rtx_Notes4200Due2044Member" abstract="true" name="Notes4200Due2044Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rtx_Notes4.150Due2045MemberMember" abstract="true" name="Notes4.150Due2045MemberMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rtx_Notes3.750Due2046Member" abstract="true" name="Notes3.750Due2046Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rtx_Notes4.050Due2047Member" abstract="true" name="Notes4.050Due2047Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rtx_Notes4.350Due2047Member" abstract="true" name="Notes4.350Due2047Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rtx_Notes4.625Due2048Member" abstract="true" name="Notes4.625Due2048Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rtx_Notes3125Due2050Member" abstract="true" name="Notes3125Due2050Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rtx_Notes2820Due2051Member" abstract="true" name="Notes2820Due2051Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rtx_Notes3030Due2052Member" abstract="true" name="Notes3030Due2052Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rtx_EmployeeStockOwnershipPlanESOPCompensationExpenseShareEquivalent" abstract="false" name="EmployeeStockOwnershipPlanESOPCompensationExpenseShareEquivalent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="rtx_PercentageOfProjectedBenefitObligationComprisedOfDomesticPlanBenefits" abstract="false" name="PercentageOfProjectedBenefitObligationComprisedOfDomesticPlanBenefits" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="rtx_PercentageOfProjectedBenefitObligationComprisedOfForeignPlanBenefits" abstract="false" name="PercentageOfProjectedBenefitObligationComprisedOfForeignPlanBenefits" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="rtx_RangeOfGrowthSeekingAssetsInCompanysOverallInvestmentStrategy" abstract="false" name="RangeOfGrowthSeekingAssetsInCompanysOverallInvestmentStrategy" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="rtx_RangeOfIncomeGeneratingAssetsInCompanysOverallInvestmentStrategy" abstract="false" name="RangeOfIncomeGeneratingAssetsInCompanysOverallInvestmentStrategy" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="rtx_PercentageOfInterestRateSensitivityOfPensionPlanLiabilitiesFixedIncomePortfolioDesignedToHedge" abstract="false" name="PercentageOfInterestRateSensitivityOfPensionPlanLiabilitiesFixedIncomePortfolioDesignedToHedge" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="rtx_DefinedBenefitPlanPercentOfPlanAssetsConcentratedInIndividualInvestment" abstract="false" name="DefinedBenefitPlanPercentOfPlanAssetsConcentratedInIndividualInvestment" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="rtx_Netsettlementcurtailmentandspecialterminationbenefits" abstract="false" name="Netsettlementcurtailmentandspecialterminationbenefits" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rtx_OtherComprehensiveIncomeLossDefinedBenefitPlanBusinessCombinationAndDivestitures" abstract="false" name="OtherComprehensiveIncomeLossDefinedBenefitPlanBusinessCombinationAndDivestitures" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rtx_OtherComprehensiveIncomeDefinedBenefitPlansOther" abstract="false" name="OtherComprehensiveIncomeDefinedBenefitPlansOther" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rtx_NetRecognizedInNetPeriodicBenefitCostAndOtherComprehensiveIncomeLoss" abstract="false" name="NetRecognizedInNetPeriodicBenefitCostAndOtherComprehensiveIncomeLoss" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rtx_PBOMember" abstract="true" name="PBOMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rtx_GlobalEquitiesMember" abstract="true" name="GlobalEquitiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rtx_GlobalEquityCommingledFundsMember" abstract="true" name="GlobalEquityCommingledFundsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rtx_GlobalEquityFundsatnetassetvalueMember" abstract="true" name="GlobalEquityFundsatnetassetvalueMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rtx_StructuredProductsMember" abstract="true" name="StructuredProductsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rtx_OtherPensionPlanAssetsMember" abstract="true" name="OtherPensionPlanAssetsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rtx_PensionPlanAssetsLeveledMember" abstract="true" name="PensionPlanAssetsLeveledMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rtx_OtherAssetsAndLiabilitiesMember" abstract="true" name="OtherAssetsAndLiabilitiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rtx_LegalEntityReorganizationMember" abstract="true" name="LegalEntityReorganizationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rtx_EffectiveIncomeTaxRateReconciliationDispositionOfBusinessTotalTaxExpenseAmount" abstract="false" name="EffectiveIncomeTaxRateReconciliationDispositionOfBusinessTotalTaxExpenseAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rtx_TaxChargeRelatedToTaxesOwedFromFavorableOtisNonUSTaxRulingInPreSeparationYears" abstract="false" name="TaxChargeRelatedToTaxesOwedFromFavorableOtisNonUSTaxRulingInPreSeparationYears" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rtx_PreTaxBenefitIndemnityOwedByOtisPursuantToTaxMattersAgreement" abstract="false" name="PreTaxBenefitIndemnityOwedByOtisPursuantToTaxMattersAgreement" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rtx_PreTaxChargeRelatedToIndemnifiedAmountsFromCarrierAndOtisPerTaxMattersAgreement" abstract="false" name="PreTaxChargeRelatedToIndemnifiedAmountsFromCarrierAndOtisPerTaxMattersAgreement" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rtx_EffectiveIncomeTaxReconciliationReorganizationAmount" abstract="false" name="EffectiveIncomeTaxReconciliationReorganizationAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rtx_EstimatedNetIncomeChargeFromUnfavorableTaxDecisionFromTheKingdomOfSaudiArabia" abstract="false" name="EstimatedNetIncomeChargeFromUnfavorableTaxDecisionFromTheKingdomOfSaudiArabia" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rtx_EffectiveTaxRateReconciliationNonDeductibleLegalChargesPercent" abstract="false" name="EffectiveTaxRateReconciliationNonDeductibleLegalChargesPercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="rtx_EffectiveTaxRateReconciliationNonDeductibleLegalChargesAmount" abstract="false" name="EffectiveTaxRateReconciliationNonDeductibleLegalChargesAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rtx_DeferredTaxAssetsTaxDeferredExpenseCapitalizationOfResearchAndExperimentalExpenditures" abstract="false" name="DeferredTaxAssetsTaxDeferredExpenseCapitalizationOfResearchAndExperimentalExpenditures" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rtx_DeferredTaxAssetsOtherAssetBasisDifferences" abstract="false" name="DeferredTaxAssetsOtherAssetBasisDifferences" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rtx_DeferredTaxAssetsPowderMetalMatter" abstract="false" name="DeferredTaxAssetsPowderMetalMatter" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rtx_DeferredTaxLiabilitiesIntangibleAssets" abstract="false" name="DeferredTaxLiabilitiesIntangibleAssets" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rtx_ExpirationPeriodCurrentToFiveYearsMember" abstract="true" name="ExpirationPeriodCurrentToFiveYearsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rtx_ExpirationPeriodSixToTenYearsMember" abstract="true" name="ExpirationPeriodSixToTenYearsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rtx_ExpirationPeriodElevenToTwentyYearsMember" abstract="true" name="ExpirationPeriodElevenToTwentyYearsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rtx_ExpirationPeriodIndefiniteMember" abstract="true" name="ExpirationPeriodIndefiniteMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rtx_LongTermDebtExcludingCapitalizedLeasesFairValueDisclosure" abstract="false" name="LongTermDebtExcludingCapitalizedLeasesFairValueDisclosure" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rtx_InternationalAeroEnginesAGMember" abstract="true" name="InternationalAeroEnginesAGMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rtx_InternationalAeroEnginesLLCMember" abstract="true" name="InternationalAeroEnginesLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rtx_VariableInterestEntityQualitativeOfQuantitativeInformationNetPercentage" abstract="false" name="VariableInterestEntityQualitativeOfQuantitativeInformationNetPercentage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="rtx_VariableInterestEntityQualitativeOfQuantitativeInformationNetPercentagePost" abstract="false" name="VariableInterestEntityQualitativeOfQuantitativeInformationNetPercentagePost" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="rtx_CommercialAerospaceFinancingArrangementsMember" abstract="true" name="CommercialAerospaceFinancingArrangementsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rtx_ThirdPartyGuaranteesMember" abstract="true" name="ThirdPartyGuaranteesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rtx_PartnerShareOfGuarantorObligationsMaximumExposureUndiscounted" abstract="false" name="PartnerShareOfGuarantorObligationsMaximumExposureUndiscounted" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rtx_A2019USDefenseContractManagementAgencyClaimAgainstPrattWhitneyDomainMember" abstract="true" name="A2019USDefenseContractManagementAgencyClaimAgainstPrattWhitneyDomainMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rtx_A2019U.S.DefenseContractManagementAgencySecondClaimAgainstPrattWhitneyMember" abstract="true" name="A2019U.S.DefenseContractManagementAgencySecondClaimAgainstPrattWhitneyMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rtx_U.S.DefenseContractManagementAgencyClaimAgainstPrattWhitneyMember" abstract="true" name="U.S.DefenseContractManagementAgencyClaimAgainstPrattWhitneyMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rtx_USDefenseContractManagementAgencyClaimAgainstPrattWhitneySecondClaimMember" abstract="true" name="USDefenseContractManagementAgencyClaimAgainstPrattWhitneySecondClaimMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rtx_USDefenseContractManagementAgencyClaimAgainstPrattWhitneyThirdClaimMember" abstract="true" name="USDefenseContractManagementAgencyClaimAgainstPrattWhitneyThirdClaimMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rtx_LitigationAgreementsAxis" abstract="true" name="LitigationAgreementsAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="rtx_LitigationAgreementsDomain" abstract="true" name="LitigationAgreementsDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rtx_DeferredProsecutionAgreementDPA1Member" abstract="true" name="DeferredProsecutionAgreementDPA1Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rtx_SecuritiesAndExchangeCommissionSECMember" abstract="true" name="SecuritiesAndExchangeCommissionSECMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rtx_SecondDeferredProsecutionAgreementDPA2Member" abstract="true" name="SecondDeferredProsecutionAgreementDPA2Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rtx_FalseClaimsActFCAMember" abstract="true" name="FalseClaimsActFCAMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rtx_ConsentAgreementMember" abstract="true" name="ConsentAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rtx_ConsentAgreementSuspensiblePortionMember" abstract="true" name="ConsentAgreementSuspensiblePortionMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rtx_ConsentAgreementNonSuspensiblePortionMember" abstract="true" name="ConsentAgreementNonSuspensiblePortionMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rtx_InstallmentsAxis" abstract="true" name="InstallmentsAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="rtx_InstallmentsDomain" abstract="true" name="InstallmentsDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rtx_September2024InstallmentMember" abstract="true" name="September2024InstallmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rtx_August2025InstallmentMember" abstract="true" name="August2025InstallmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rtx_August2026InstallmentMember" abstract="true" name="August2026InstallmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rtx_OtherFinancingArrangementsMember" abstract="true" name="OtherFinancingArrangementsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rtx_ChargesAsAResultOfPrattWhitneysAcceleratedInspectionOfPW1100GJMGTFEnginesDueToRareConditionInPowderMetal" abstract="false" name="ChargesAsAResultOfPrattWhitneysAcceleratedInspectionOfPW1100GJMGTFEnginesDueToRareConditionInPowderMetal" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rtx_PrattWhitneysNetProgramShareOfPW1100GTFProgram" abstract="false" name="PrattWhitneysNetProgramShareOfPW1100GTFProgram" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="rtx_IncreaseInAccruedLiabilitiesRelatedToPowderMetalMatter" abstract="false" name="IncreaseInAccruedLiabilitiesRelatedToPowderMetalMatter" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rtx_OtherAccruedLiabilitiesOfPrattWhitneysProgramShareOfPW1100GTFProgram" abstract="false" name="OtherAccruedLiabilitiesOfPrattWhitneysProgramShareOfPW1100GTFProgram" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rtx_LossContingencyInterest" abstract="false" name="LossContingencyInterest" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rtx_Commercialaerospacefinancingcommitment" abstract="false" name="Commercialaerospacefinancingcommitment" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rtx_Commercialaerospacefinancingcommitmentcurrent" abstract="false" name="Commercialaerospacefinancingcommitmentcurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rtx_Commercialaerospacefinancingcommitmenttwoyears" abstract="false" name="Commercialaerospacefinancingcommitmenttwoyears" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rtx_Commercialaerospacefinancingcommitmentsthreeyears" abstract="false" name="Commercialaerospacefinancingcommitmentsthreeyears" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rtx_Commercialaerospacefinancingcommitmentfouryears" abstract="false" name="Commercialaerospacefinancingcommitmentfouryears" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rtx_Commercialaerospacefinancingcommitmentfiveyears" abstract="false" name="Commercialaerospacefinancingcommitmentfiveyears" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rtx_Commercialaerospacefinancingcommitmentafterfiveyears" abstract="false" name="Commercialaerospacefinancingcommitmentafterfiveyears" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rtx_Collaborationpartnershare" abstract="false" name="Collaborationpartnershare" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rtx_Collaborationpartnersharecurrent" abstract="false" name="Collaborationpartnersharecurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rtx_Collaborationpartnersharetwoyears" abstract="false" name="Collaborationpartnersharetwoyears" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rtx_Collaborationpartnersharethreeyears" abstract="false" name="Collaborationpartnersharethreeyears" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rtx_Collaborationpartnersharefouryears" abstract="false" name="Collaborationpartnersharefouryears" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rtx_Collaborationpartnersharefiveyears" abstract="false" name="Collaborationpartnersharefiveyears" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rtx_Collaborationpartnershareafterfiveyears" abstract="false" name="Collaborationpartnershareafterfiveyears" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rtx_CommercialaerospacecommitmentsTotal" abstract="false" name="CommercialaerospacecommitmentsTotal" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rtx_Totalcommercialaerospacecommitmentscurrent" abstract="false" name="Totalcommercialaerospacecommitmentscurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rtx_Totalcommercialaerospacecommitmentstwoyears" abstract="false" name="Totalcommercialaerospacecommitmentstwoyears" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rtx_Totalcommercialaerospacecommitmentsthreeyears" abstract="false" name="Totalcommercialaerospacecommitmentsthreeyears" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rtx_Totalcommercialaerospacecommitmentsfouryears" abstract="false" name="Totalcommercialaerospacecommitmentsfouryears" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rtx_Totalcommercialaerospacecommitmentsfiveyears" abstract="false" name="Totalcommercialaerospacecommitmentsfiveyears" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rtx_Totalcommercialaerospacecommitmentsafterfiveyears" abstract="false" name="Totalcommercialaerospacecommitmentsafterfiveyears" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rtx_October262023Member" abstract="true" name="October262023Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rtx_FirstTrancheMember" abstract="true" name="FirstTrancheMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rtx_SecondTrancheMember" abstract="true" name="SecondTrancheMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rtx_ASRAggregatePurchasePrice" abstract="false" name="ASRAggregatePurchasePrice" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rtx_TreasuryStockSharesOwedToSettleASRAgreement" abstract="false" name="TreasuryStockSharesOwedToSettleASRAgreement" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="rtx_StockOptionsAndStockAppreciationRightsSARSMember" abstract="true" name="StockOptionsAndStockAppreciationRightsSARSMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rtx_EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromVestingOfPerformanceShareUnits" abstract="false" name="EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromVestingOfPerformanceShareUnits" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rtx_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsVestedInPeriodTotalFairValue" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsVestedInPeriodTotalFairValue" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rtx_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValueAdjustedForPerformance" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValueAdjustedForPerformance" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="rtx_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodAdjustmentForActualPerformanceOnThe2021Awards" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodAdjustmentForActualPerformanceOnThe2021Awards" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="rtx_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndExpectedToVestOutstandingNumber" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndExpectedToVestOutstandingNumber" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="rtx_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:perShareItemType"/>
  <xs:element id="rtx_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rtx_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndExpectedToVestExercisableWeightedAverageRemainingContractualTerm" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndExpectedToVestExercisableWeightedAverageRemainingContractualTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="rtx_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableNumber" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableNumber" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="rtx_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableWeightedAverageExercisePrice" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableWeightedAverageExercisePrice" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:perShareItemType"/>
  <xs:element id="rtx_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableWeightedAverageRemainingContractualTerm" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableWeightedAverageRemainingContractualTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="rtx_FASCASOperatingAdjustmentMember" abstract="true" name="FASCASOperatingAdjustmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rtx_AcquisitionAccountingAdjustmentsMember" abstract="true" name="AcquisitionAccountingAdjustmentsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rtx_OperatingProfitMargin" abstract="false" name="OperatingProfitMargin" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="rtx_MiddleEastAndNorthAfricaMember" abstract="true" name="MiddleEastAndNorthAfricaMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rtx_OtherGeographicRegionsMember" abstract="true" name="OtherGeographicRegionsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rtx_SalesByOriginMember" abstract="true" name="SalesByOriginMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rtx_USGovernmentSalesExcludingForeignMilitarySalesMember" abstract="true" name="USGovernmentSalesExcludingForeignMilitarySalesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rtx_ForeignMilitarySalesThroughTheUSGovernmentMember" abstract="true" name="ForeignMilitarySalesThroughTheUSGovernmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rtx_ForeignGovernmentDirectCommercialSalesMember" abstract="true" name="ForeignGovernmentDirectCommercialSalesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rtx_CommercialAerospaceAndOtherCommercialMember" abstract="true" name="CommercialAerospaceAndOtherCommercialMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rtx_AirbusMember" abstract="true" name="AirbusMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rtx_PrimaryGeographicalMarketsAxis" abstract="true" name="PrimaryGeographicalMarketsAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="rtx_PrimaryGeographicalMarketsDomain" abstract="true" name="PrimaryGeographicalMarketsDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rtx_OtherMember" abstract="true" name="OtherMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rtx_PowderMetalMatterAxis" abstract="true" name="PowderMetalMatterAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="rtx_PowderMetalMatterDomain" abstract="true" name="PowderMetalMatterDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rtx_PowderMetalMatterMember" abstract="true" name="PowderMetalMatterMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rtx_PercentageOfTotalNetSales" abstract="false" name="PercentageOfTotalNetSales" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
</xs:schema>
