<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.25.4</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>929</ContextCount>
  <ElementCount>883</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>false</FootnotesReported>
  <SegmentCount>225</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>10</UnitCount>
  <MyReports>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>0000001 - Document - COVER PAGE</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/COVERPAGE</Role>
      <ShortName>COVER PAGE</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>0000002 - Document - AUDIT INFORMATION</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/AUDITINFORMATION</Role>
      <ShortName>AUDIT INFORMATION</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>2</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>9952151 - Statement - CONSOLIDATED STATEMENT OF OPERATIONS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/CONSOLIDATEDSTATEMENTOFOPERATIONS</Role>
      <ShortName>CONSOLIDATED STATEMENT OF OPERATIONS</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>3</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>9952152 - Statement - CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/CONSOLIDATEDSTATEMENTOFCOMPREHENSIVEINCOME</Role>
      <ShortName>CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>4</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>9952153 - Statement - CONSOLIDATED BALANCE SHEET</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/CONSOLIDATEDBALANCESHEET</Role>
      <ShortName>CONSOLIDATED BALANCE SHEET</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>5</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>9952154 - Statement - CONSOLIDATED BALANCE SHEET (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/CONSOLIDATEDBALANCESHEETParenthetical</Role>
      <ShortName>CONSOLIDATED BALANCE SHEET (Parenthetical)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>6</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>9952155 - Statement - CONSOLIDATED STATEMENT OF CASH FLOWS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/CONSOLIDATEDSTATEMENTOFCASHFLOWS</Role>
      <ShortName>CONSOLIDATED STATEMENT OF CASH FLOWS</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>7</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>9952156 - Statement - CONSOLIDATED STATEMENT OF SHAREOWNERS' EQUITY</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/CONSOLIDATEDSTATEMENTOFSHAREOWNERSEQUITY</Role>
      <ShortName>CONSOLIDATED STATEMENT OF SHAREOWNERS' EQUITY</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>8</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>9952157 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIES</Role>
      <ShortName>SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>9</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>9952158 - Disclosure - ACQUISITIONS, DIVESTITURES, AND DISCONTINUED OPERATIONS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/ACQUISITIONSDIVESTITURESANDDISCONTINUEDOPERATIONS</Role>
      <ShortName>ACQUISITIONS, DIVESTITURES, AND DISCONTINUED OPERATIONS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>10</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>9952159 - Disclosure - REVENUE RECOGNITION AND CONTRACTS WITH CUSTOMERS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/REVENUERECOGNITIONANDCONTRACTSWITHCUSTOMERS</Role>
      <ShortName>REVENUE RECOGNITION AND CONTRACTS WITH CUSTOMERS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>11</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>9952160 - Disclosure - REPOSITIONING AND OTHER (GAINS) CHARGES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/REPOSITIONINGANDOTHERGAINSCHARGES</Role>
      <ShortName>REPOSITIONING AND OTHER (GAINS) CHARGES</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>12</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>9952161 - Disclosure - INCOME TAXES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/INCOMETAXES</Role>
      <ShortName>INCOME TAXES</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>13</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>9952162 - Disclosure - INVENTORIES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/INVENTORIES</Role>
      <ShortName>INVENTORIES</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>14</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>9952163 - Disclosure - PROPERTY, PLANT AND EQUIPMENT-NET</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/PROPERTYPLANTANDEQUIPMENTNET</Role>
      <ShortName>PROPERTY, PLANT AND EQUIPMENT-NET</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>15</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>9952164 - Disclosure - GOODWILL AND OTHER INTANGIBLE ASSETS-NET</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/GOODWILLANDOTHERINTANGIBLEASSETSNET</Role>
      <ShortName>GOODWILL AND OTHER INTANGIBLE ASSETS-NET</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>16</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>9952165 - Disclosure - DEBT AND CREDIT AGREEMENTS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/DEBTANDCREDITAGREEMENTS</Role>
      <ShortName>DEBT AND CREDIT AGREEMENTS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>17</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>9952166 - Disclosure - LEASES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/LEASES</Role>
      <ShortName>LEASES</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>18</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>9952167 - Disclosure - DERIVATIVE INSTRUMENTS AND HEDGING TRANSACTIONS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/DERIVATIVEINSTRUMENTSANDHEDGINGTRANSACTIONS</Role>
      <ShortName>DERIVATIVE INSTRUMENTS AND HEDGING TRANSACTIONS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>19</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>9952168 - Disclosure - FAIR VALUE MEASUREMENTS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/FAIRVALUEMEASUREMENTS</Role>
      <ShortName>FAIR VALUE MEASUREMENTS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>20</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>9952169 - Disclosure - ACCRUED LIABILITIES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/ACCRUEDLIABILITIES</Role>
      <ShortName>ACCRUED LIABILITIES</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>21</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>9952170 - Disclosure - OTHER LIABILITIES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/OTHERLIABILITIES</Role>
      <ShortName>OTHER LIABILITIES</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>22</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>9952171 - Disclosure - STOCK-BASED COMPENSATION PLANS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/STOCKBASEDCOMPENSATIONPLANS</Role>
      <ShortName>STOCK-BASED COMPENSATION PLANS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>23</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>9952172 - Disclosure - EARNINGS PER SHARE</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/EARNINGSPERSHARE</Role>
      <ShortName>EARNINGS PER SHARE</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>24</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>9952173 - Disclosure - ACCUMULATED OTHER COMPREHENSIVE LOSS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/ACCUMULATEDOTHERCOMPREHENSIVELOSS</Role>
      <ShortName>ACCUMULATED OTHER COMPREHENSIVE LOSS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>25</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>9952174 - Disclosure - CAPITAL STOCK</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/CAPITALSTOCK</Role>
      <ShortName>CAPITAL STOCK</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>26</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.htm</HtmlFileName>
      <LongName>9952175 - Disclosure - COMMITMENTS AND CONTINGENCIES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/COMMITMENTSANDCONTINGENCIES</Role>
      <ShortName>COMMITMENTS AND CONTINGENCIES</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>27</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>9952176 - Disclosure - PENSION AND OTHER POSTRETIREMENT BENEFITS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/PENSIONANDOTHERPOSTRETIREMENTBENEFITS</Role>
      <ShortName>PENSION AND OTHER POSTRETIREMENT BENEFITS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>28</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>9952177 - Disclosure - OTHER (INCOME) EXPENSE</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/OTHERINCOMEEXPENSE</Role>
      <ShortName>OTHER (INCOME) EXPENSE</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>29</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>9952178 - Disclosure - SEGMENT FINANCIAL DATA</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/SEGMENTFINANCIALDATA</Role>
      <ShortName>SEGMENT FINANCIAL DATA</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>30</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>9952179 - Disclosure - GEOGRAPHIC AREAS - FINANCIAL DATA</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/GEOGRAPHICAREASFINANCIALDATA</Role>
      <ShortName>GEOGRAPHIC AREAS - FINANCIAL DATA</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>31</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R32.htm</HtmlFileName>
      <LongName>9952180 - Disclosure - SUPPLEMENTAL CASH FLOW INFORMATION</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/SUPPLEMENTALCASHFLOWINFORMATION</Role>
      <ShortName>SUPPLEMENTAL CASH FLOW INFORMATION</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>32</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>9952181 - Disclosure - UNAUDITED QUARTERLY FINANCIAL INFORMATION</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/UNAUDITEDQUARTERLYFINANCIALINFORMATION</Role>
      <ShortName>UNAUDITED QUARTERLY FINANCIAL INFORMATION</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>33</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R34.htm</HtmlFileName>
      <LongName>995445 - Disclosure - Insider Trading Arrangements</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements</Role>
      <ShortName>Insider Trading Arrangements</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>34</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R35.htm</HtmlFileName>
      <LongName>995447 - Disclosure - Insider Trading Policies and Procedures</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://xbrl.sec.gov/ecd/role/InsiderTradingPoliciesProc</Role>
      <ShortName>Insider Trading Policies and Procedures</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>35</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R36.htm</HtmlFileName>
      <LongName>995550 - Disclosure - Cybersecurity Risk Management and Strategy Disclosure</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://xbrl.sec.gov/cyd/role/CybersecurityRiskManagementAndStrategyDisclosure</Role>
      <ShortName>Cybersecurity Risk Management and Strategy Disclosure</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>36</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R37.htm</HtmlFileName>
      <LongName>9955511 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESPolicies</Role>
      <ShortName>SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)</ShortName>
      <MenuCategory>Policies</MenuCategory>
      <Position>37</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R38.htm</HtmlFileName>
      <LongName>9955512 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESTables</Role>
      <ShortName>SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://honeywell.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIES</ParentRole>
      <Position>38</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R39.htm</HtmlFileName>
      <LongName>9955513 - Disclosure - ACQUISITIONS, DIVESTITURES, AND DISCONTINUED OPERATIONS (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/ACQUISITIONSDIVESTITURESANDDISCONTINUEDOPERATIONSTables</Role>
      <ShortName>ACQUISITIONS, DIVESTITURES, AND DISCONTINUED OPERATIONS (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://honeywell.com/role/ACQUISITIONSDIVESTITURESANDDISCONTINUEDOPERATIONS</ParentRole>
      <Position>39</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R40.htm</HtmlFileName>
      <LongName>9955514 - Disclosure - REVENUE RECOGNITION AND CONTRACTS WITH CUSTOMERS (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/REVENUERECOGNITIONANDCONTRACTSWITHCUSTOMERSTables</Role>
      <ShortName>REVENUE RECOGNITION AND CONTRACTS WITH CUSTOMERS (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://honeywell.com/role/REVENUERECOGNITIONANDCONTRACTSWITHCUSTOMERS</ParentRole>
      <Position>40</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R41.htm</HtmlFileName>
      <LongName>9955515 - Disclosure - REPOSITIONING AND OTHER (GAINS) CHARGES (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/REPOSITIONINGANDOTHERGAINSCHARGESTables</Role>
      <ShortName>REPOSITIONING AND OTHER (GAINS) CHARGES (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://honeywell.com/role/REPOSITIONINGANDOTHERGAINSCHARGES</ParentRole>
      <Position>41</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R42.htm</HtmlFileName>
      <LongName>9955516 - Disclosure - INCOME TAXES (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/INCOMETAXESTables</Role>
      <ShortName>INCOME TAXES (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://honeywell.com/role/INCOMETAXES</ParentRole>
      <Position>42</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R43.htm</HtmlFileName>
      <LongName>9955517 - Disclosure - INVENTORIES (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/INVENTORIESTables</Role>
      <ShortName>INVENTORIES (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://honeywell.com/role/INVENTORIES</ParentRole>
      <Position>43</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R44.htm</HtmlFileName>
      <LongName>9955518 - Disclosure - PROPERTY, PLANT AND EQUIPMENT-NET (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/PROPERTYPLANTANDEQUIPMENTNETTables</Role>
      <ShortName>PROPERTY, PLANT AND EQUIPMENT-NET (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://honeywell.com/role/PROPERTYPLANTANDEQUIPMENTNET</ParentRole>
      <Position>44</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R45.htm</HtmlFileName>
      <LongName>9955519 - Disclosure - GOODWILL AND OTHER INTANGIBLE ASSETS-NET (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/GOODWILLANDOTHERINTANGIBLEASSETSNETTables</Role>
      <ShortName>GOODWILL AND OTHER INTANGIBLE ASSETS-NET (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://honeywell.com/role/GOODWILLANDOTHERINTANGIBLEASSETSNET</ParentRole>
      <Position>45</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R46.htm</HtmlFileName>
      <LongName>9955520 - Disclosure - DEBT AND CREDIT AGREEMENTS (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/DEBTANDCREDITAGREEMENTSTables</Role>
      <ShortName>DEBT AND CREDIT AGREEMENTS (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://honeywell.com/role/DEBTANDCREDITAGREEMENTS</ParentRole>
      <Position>46</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R47.htm</HtmlFileName>
      <LongName>9955521 - Disclosure - LEASES (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/LEASESTables</Role>
      <ShortName>LEASES (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://honeywell.com/role/LEASES</ParentRole>
      <Position>47</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R48.htm</HtmlFileName>
      <LongName>9955522 - Disclosure - DERIVATIVE INSTRUMENTS AND HEDGING TRANSACTIONS (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/DERIVATIVEINSTRUMENTSANDHEDGINGTRANSACTIONSTables</Role>
      <ShortName>DERIVATIVE INSTRUMENTS AND HEDGING TRANSACTIONS (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://honeywell.com/role/DERIVATIVEINSTRUMENTSANDHEDGINGTRANSACTIONS</ParentRole>
      <Position>48</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R49.htm</HtmlFileName>
      <LongName>9955523 - Disclosure - FAIR VALUE MEASUREMENTS (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/FAIRVALUEMEASUREMENTSTables</Role>
      <ShortName>FAIR VALUE MEASUREMENTS (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://honeywell.com/role/FAIRVALUEMEASUREMENTS</ParentRole>
      <Position>49</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R50.htm</HtmlFileName>
      <LongName>9955524 - Disclosure - ACCRUED LIABILITIES (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/ACCRUEDLIABILITIESTables</Role>
      <ShortName>ACCRUED LIABILITIES (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://honeywell.com/role/ACCRUEDLIABILITIES</ParentRole>
      <Position>50</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R51.htm</HtmlFileName>
      <LongName>9955525 - Disclosure - OTHER LIABILITIES (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/OTHERLIABILITIESTables</Role>
      <ShortName>OTHER LIABILITIES (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://honeywell.com/role/OTHERLIABILITIES</ParentRole>
      <Position>51</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R52.htm</HtmlFileName>
      <LongName>9955526 - Disclosure - STOCK-BASED COMPENSATION PLANS (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/STOCKBASEDCOMPENSATIONPLANSTables</Role>
      <ShortName>STOCK-BASED COMPENSATION PLANS (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://honeywell.com/role/STOCKBASEDCOMPENSATIONPLANS</ParentRole>
      <Position>52</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R53.htm</HtmlFileName>
      <LongName>9955527 - Disclosure - EARNINGS PER SHARE (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/EARNINGSPERSHARETables</Role>
      <ShortName>EARNINGS PER SHARE (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://honeywell.com/role/EARNINGSPERSHARE</ParentRole>
      <Position>53</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R54.htm</HtmlFileName>
      <LongName>9955528 - Disclosure - ACCUMULATED OTHER COMPREHENSIVE LOSS (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/ACCUMULATEDOTHERCOMPREHENSIVELOSSTables</Role>
      <ShortName>ACCUMULATED OTHER COMPREHENSIVE LOSS (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://honeywell.com/role/ACCUMULATEDOTHERCOMPREHENSIVELOSS</ParentRole>
      <Position>54</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R55.htm</HtmlFileName>
      <LongName>9955529 - Disclosure - CAPITAL STOCK (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/CAPITALSTOCKTables</Role>
      <ShortName>CAPITAL STOCK (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://honeywell.com/role/CAPITALSTOCK</ParentRole>
      <Position>55</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R56.htm</HtmlFileName>
      <LongName>9955530 - Disclosure - COMMITMENTS AND CONTINGENCIES (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/COMMITMENTSANDCONTINGENCIESTables</Role>
      <ShortName>COMMITMENTS AND CONTINGENCIES (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://honeywell.com/role/COMMITMENTSANDCONTINGENCIES</ParentRole>
      <Position>56</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R57.htm</HtmlFileName>
      <LongName>9955531 - Disclosure - PENSION AND OTHER POSTRETIREMENT BENEFITS (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/PENSIONANDOTHERPOSTRETIREMENTBENEFITSTables</Role>
      <ShortName>PENSION AND OTHER POSTRETIREMENT BENEFITS (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://honeywell.com/role/PENSIONANDOTHERPOSTRETIREMENTBENEFITS</ParentRole>
      <Position>57</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R58.htm</HtmlFileName>
      <LongName>9955532 - Disclosure - OTHER (INCOME) EXPENSE (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/OTHERINCOMEEXPENSETables</Role>
      <ShortName>OTHER (INCOME) EXPENSE (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://honeywell.com/role/OTHERLIABILITIES</ParentRole>
      <Position>58</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R59.htm</HtmlFileName>
      <LongName>9955533 - Disclosure - SEGMENT FINANCIAL DATA (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/SEGMENTFINANCIALDATATables</Role>
      <ShortName>SEGMENT FINANCIAL DATA (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://honeywell.com/role/SEGMENTFINANCIALDATA</ParentRole>
      <Position>59</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R60.htm</HtmlFileName>
      <LongName>9955534 - Disclosure - GEOGRAPHIC AREAS - FINANCIAL DATA (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/GEOGRAPHICAREASFINANCIALDATATables</Role>
      <ShortName>GEOGRAPHIC AREAS - FINANCIAL DATA (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://honeywell.com/role/GEOGRAPHICAREASFINANCIALDATA</ParentRole>
      <Position>60</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R61.htm</HtmlFileName>
      <LongName>9955535 - Disclosure - SUPPLEMENTAL CASH FLOW INFORMATION (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/SUPPLEMENTALCASHFLOWINFORMATIONTables</Role>
      <ShortName>SUPPLEMENTAL CASH FLOW INFORMATION (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://honeywell.com/role/SUPPLEMENTALCASHFLOWINFORMATION</ParentRole>
      <Position>61</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R62.htm</HtmlFileName>
      <LongName>9955536 - Disclosure - UNAUDITED QUARTERLY FINANCIAL INFORMATION (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/UNAUDITEDQUARTERLYFINANCIALINFORMATIONTables</Role>
      <ShortName>UNAUDITED QUARTERLY FINANCIAL INFORMATION (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://honeywell.com/role/UNAUDITEDQUARTERLYFINANCIALINFORMATION</ParentRole>
      <Position>62</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R63.htm</HtmlFileName>
      <LongName>9955537 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESNarrativeDetails</Role>
      <ShortName>SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>63</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R64.htm</HtmlFileName>
      <LongName>9955538 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Schedule of Supply Chain Financing Liabilities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESScheduleofSupplyChainFinancingLiabilitiesDetails</Role>
      <ShortName>SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Schedule of Supply Chain Financing Liabilities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>64</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R65.htm</HtmlFileName>
      <LongName>9955539 - Disclosure - ACQUISITIONS, DIVESTITURES, AND DISCONTINUED OPERATIONS - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/ACQUISITIONSDIVESTITURESANDDISCONTINUEDOPERATIONSNarrativeDetails</Role>
      <ShortName>ACQUISITIONS, DIVESTITURES, AND DISCONTINUED OPERATIONS - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://honeywell.com/role/ACQUISITIONSDIVESTITURESANDDISCONTINUEDOPERATIONSTables</ParentRole>
      <Position>65</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R66.htm</HtmlFileName>
      <LongName>9955540 - Disclosure - ACQUISITIONS, DIVESTITURES, AND DISCONTINUED OPERATIONS - Assets and Liabilities Assumed (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/ACQUISITIONSDIVESTITURESANDDISCONTINUEDOPERATIONSAssetsandLiabilitiesAssumedDetails</Role>
      <ShortName>ACQUISITIONS, DIVESTITURES, AND DISCONTINUED OPERATIONS - Assets and Liabilities Assumed (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>66</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R67.htm</HtmlFileName>
      <LongName>9955541 - Disclosure - ACQUISITIONS, DIVESTITURES, AND DISCONTINUED OPERATIONS - Schedule of Disposition (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/ACQUISITIONSDIVESTITURESANDDISCONTINUEDOPERATIONSScheduleofDispositionDetails</Role>
      <ShortName>ACQUISITIONS, DIVESTITURES, AND DISCONTINUED OPERATIONS - Schedule of Disposition (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>67</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R68.htm</HtmlFileName>
      <LongName>9955542 - Disclosure - ACQUISITIONS, DIVESTITURES, AND DISCONTINUED OPERATIONS - Net Income (Loss) from Discontinued Operations (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/ACQUISITIONSDIVESTITURESANDDISCONTINUEDOPERATIONSNetIncomeLossfromDiscontinuedOperationsDetails</Role>
      <ShortName>ACQUISITIONS, DIVESTITURES, AND DISCONTINUED OPERATIONS - Net Income (Loss) from Discontinued Operations (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://honeywell.com/role/ACQUISITIONSDIVESTITURESANDDISCONTINUEDOPERATIONSTables</ParentRole>
      <Position>68</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R69.htm</HtmlFileName>
      <LongName>9955543 - Disclosure - ACQUISITIONS, DIVESTITURES, AND DISCONTINUED OPERATIONS - Major Classes of Assets and Liabilities of Discontinued Operations (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/ACQUISITIONSDIVESTITURESANDDISCONTINUEDOPERATIONSMajorClassesofAssetsandLiabilitiesofDiscontinuedOperationsDetails</Role>
      <ShortName>ACQUISITIONS, DIVESTITURES, AND DISCONTINUED OPERATIONS - Major Classes of Assets and Liabilities of Discontinued Operations (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>69</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R70.htm</HtmlFileName>
      <LongName>9955544 - Disclosure - REVENUE RECOGNITION AND CONTRACTS WITH CUSTOMERS - Schedule of Disaggregated Revenue (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/REVENUERECOGNITIONANDCONTRACTSWITHCUSTOMERSScheduleofDisaggregatedRevenueDetails</Role>
      <ShortName>REVENUE RECOGNITION AND CONTRACTS WITH CUSTOMERS - Schedule of Disaggregated Revenue (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>70</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R71.htm</HtmlFileName>
      <LongName>9955545 - Disclosure - REVENUE RECOGNITION AND CONTRACTS WITH CUSTOMERS - Disaggregation Based on Timing of Revenue (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/REVENUERECOGNITIONANDCONTRACTSWITHCUSTOMERSDisaggregationBasedonTimingofRevenueDetails</Role>
      <ShortName>REVENUE RECOGNITION AND CONTRACTS WITH CUSTOMERS - Disaggregation Based on Timing of Revenue (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>71</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R72.htm</HtmlFileName>
      <LongName>9955546 - Disclosure - REVENUE RECOGNITION AND CONTRACTS WITH CUSTOMERS - Contract Balances (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/REVENUERECOGNITIONANDCONTRACTSWITHCUSTOMERSContractBalancesDetails</Role>
      <ShortName>REVENUE RECOGNITION AND CONTRACTS WITH CUSTOMERS - Contract Balances (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>72</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R73.htm</HtmlFileName>
      <LongName>9955547 - Disclosure - REVENUE RECOGNITION AND CONTRACTS WITH CUSTOMERS - Performance Obligations (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/REVENUERECOGNITIONANDCONTRACTSWITHCUSTOMERSPerformanceObligationsDetails</Role>
      <ShortName>REVENUE RECOGNITION AND CONTRACTS WITH CUSTOMERS - Performance Obligations (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>73</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R74.htm</HtmlFileName>
      <LongName>9955548 - Disclosure - REPOSITIONING AND OTHER (GAINS) CHARGES - Repositioning and Other Charges (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/REPOSITIONINGANDOTHERGAINSCHARGESRepositioningandOtherChargesDetails</Role>
      <ShortName>REPOSITIONING AND OTHER (GAINS) CHARGES - Repositioning and Other Charges (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://honeywell.com/role/REPOSITIONINGANDOTHERGAINSCHARGESTables</ParentRole>
      <Position>74</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R75.htm</HtmlFileName>
      <LongName>9955549 - Disclosure - REPOSITIONING AND OTHER (GAINS) CHARGES - Pretax Distribution of Total Net Repositioning (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/REPOSITIONINGANDOTHERGAINSCHARGESPretaxDistributionofTotalNetRepositioningDetails</Role>
      <ShortName>REPOSITIONING AND OTHER (GAINS) CHARGES - Pretax Distribution of Total Net Repositioning (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://honeywell.com/role/REPOSITIONINGANDOTHERGAINSCHARGESTables</ParentRole>
      <Position>75</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R76.htm</HtmlFileName>
      <LongName>9955550 - Disclosure - REPOSITIONING AND OTHER (GAINS) CHARGES - Pretax Impact of Total Net Repositioning and Other Charges by Segment (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/REPOSITIONINGANDOTHERGAINSCHARGESPretaxImpactofTotalNetRepositioningandOtherChargesbySegmentDetails</Role>
      <ShortName>REPOSITIONING AND OTHER (GAINS) CHARGES - Pretax Impact of Total Net Repositioning and Other Charges by Segment (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://honeywell.com/role/REPOSITIONINGANDOTHERGAINSCHARGESTables</ParentRole>
      <Position>76</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R77.htm</HtmlFileName>
      <LongName>9955551 - Disclosure - REPOSITIONING AND OTHER (GAINS) CHARGES - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/REPOSITIONINGANDOTHERGAINSCHARGESNarrativeDetails</Role>
      <ShortName>REPOSITIONING AND OTHER (GAINS) CHARGES - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://honeywell.com/role/REPOSITIONINGANDOTHERGAINSCHARGESTables</ParentRole>
      <Position>77</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R78.htm</HtmlFileName>
      <LongName>9955552 - Disclosure - REPOSITIONING AND OTHER (GAINS) CHARGES - Repositioning Reserves (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/REPOSITIONINGANDOTHERGAINSCHARGESRepositioningReservesDetails</Role>
      <ShortName>REPOSITIONING AND OTHER (GAINS) CHARGES - Repositioning Reserves (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://honeywell.com/role/REPOSITIONINGANDOTHERGAINSCHARGESTables</ParentRole>
      <Position>78</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R79.htm</HtmlFileName>
      <LongName>9955553 - Disclosure - INCOME TAXES - Income Before Taxes (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/INCOMETAXESIncomeBeforeTaxesDetails</Role>
      <ShortName>INCOME TAXES - Income Before Taxes (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>79</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R80.htm</HtmlFileName>
      <LongName>9955554 - Disclosure - INCOME TAXES - Tax Expense (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/INCOMETAXESTaxExpenseDetails</Role>
      <ShortName>INCOME TAXES - Tax Expense (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>80</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R81.htm</HtmlFileName>
      <LongName>9955555 - Disclosure - INCOME TAXES - Effective Income Tax Rate Reconciliation (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/INCOMETAXESEffectiveIncomeTaxRateReconciliationDetails</Role>
      <ShortName>INCOME TAXES - Effective Income Tax Rate Reconciliation (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>81</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R82.htm</HtmlFileName>
      <LongName>9955556 - Disclosure - INCOME TAXES - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/INCOMETAXESNarrativeDetails</Role>
      <ShortName>INCOME TAXES - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>82</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R83.htm</HtmlFileName>
      <LongName>9955557 - Disclosure - INCOME TAXES - Deferred Tax Assets (Liabilities) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/INCOMETAXESDeferredTaxAssetsLiabilitiesDetails</Role>
      <ShortName>INCOME TAXES - Deferred Tax Assets (Liabilities) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>83</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R84.htm</HtmlFileName>
      <LongName>9955558 - Disclosure - INCOME TAXES - Operating Loss Carryforwards (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/INCOMETAXESOperatingLossCarryforwardsDetails</Role>
      <ShortName>INCOME TAXES - Operating Loss Carryforwards (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>84</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R85.htm</HtmlFileName>
      <LongName>9955559 - Disclosure - INCOME TAXES - Change in Unrecognized Tax Benefits (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/INCOMETAXESChangeinUnrecognizedTaxBenefitsDetails</Role>
      <ShortName>INCOME TAXES - Change in Unrecognized Tax Benefits (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>85</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R86.htm</HtmlFileName>
      <LongName>9955560 - Disclosure - INCOME TAXES - Income Tax Payments (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/INCOMETAXESIncomeTaxPaymentsDetails</Role>
      <ShortName>INCOME TAXES - Income Tax Payments (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>86</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R87.htm</HtmlFileName>
      <LongName>9955561 - Disclosure - INVENTORIES (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/INVENTORIESDetails</Role>
      <ShortName>INVENTORIES (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://honeywell.com/role/INVENTORIESTables</ParentRole>
      <Position>87</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R88.htm</HtmlFileName>
      <LongName>9955562 - Disclosure - PROPERTY, PLANT AND EQUIPMENT-NET (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/PROPERTYPLANTANDEQUIPMENTNETDetails</Role>
      <ShortName>PROPERTY, PLANT AND EQUIPMENT-NET (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://honeywell.com/role/PROPERTYPLANTANDEQUIPMENTNETTables</ParentRole>
      <Position>88</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R89.htm</HtmlFileName>
      <LongName>9955563 - Disclosure - GOODWILL AND OTHER INTANGIBLE ASSETS-NET - Goodwill (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/GOODWILLANDOTHERINTANGIBLEASSETSNETGoodwillDetails</Role>
      <ShortName>GOODWILL AND OTHER INTANGIBLE ASSETS-NET - Goodwill (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>89</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R90.htm</HtmlFileName>
      <LongName>9955564 - Disclosure - GOODWILL AND OTHER INTANGIBLE ASSETS-NET - Other Intangible Assets (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/GOODWILLANDOTHERINTANGIBLEASSETSNETOtherIntangibleAssetsDetails</Role>
      <ShortName>GOODWILL AND OTHER INTANGIBLE ASSETS-NET - Other Intangible Assets (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>90</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R91.htm</HtmlFileName>
      <LongName>9955565 - Disclosure - GOODWILL AND OTHER INTANGIBLE ASSETS-NET - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/GOODWILLANDOTHERINTANGIBLEASSETSNETNarrativeDetails</Role>
      <ShortName>GOODWILL AND OTHER INTANGIBLE ASSETS-NET - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>91</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R92.htm</HtmlFileName>
      <LongName>9955566 - Disclosure - GOODWILL AND OTHER INTANGIBLE ASSETS-NET - Estimated Future Amortization Expense (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/GOODWILLANDOTHERINTANGIBLEASSETSNETEstimatedFutureAmortizationExpenseDetails</Role>
      <ShortName>GOODWILL AND OTHER INTANGIBLE ASSETS-NET - Estimated Future Amortization Expense (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>92</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R93.htm</HtmlFileName>
      <LongName>9955567 - Disclosure - DEBT AND CREDIT AGREEMENTS - Schedule of Long-Term Debt (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/DEBTANDCREDITAGREEMENTSScheduleofLongTermDebtDetails</Role>
      <ShortName>DEBT AND CREDIT AGREEMENTS - Schedule of Long-Term Debt (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>93</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R94.htm</HtmlFileName>
      <LongName>9955568 - Disclosure - DEBT AND CREDIT AGREEMENTS - Principal Payments on Long-Term Debt (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/DEBTANDCREDITAGREEMENTSPrincipalPaymentsonLongTermDebtDetails</Role>
      <ShortName>DEBT AND CREDIT AGREEMENTS - Principal Payments on Long-Term Debt (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>94</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R95.htm</HtmlFileName>
      <LongName>9955569 - Disclosure - DEBT AND CREDIT AGREEMENTS - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/DEBTANDCREDITAGREEMENTSNarrativeDetails</Role>
      <ShortName>DEBT AND CREDIT AGREEMENTS - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>95</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R96.htm</HtmlFileName>
      <LongName>9955570 - Disclosure - LEASES - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/LEASESNarrativeDetails</Role>
      <ShortName>LEASES - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>96</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R97.htm</HtmlFileName>
      <LongName>9955571 - Disclosure - LEASES - Schedule of Lease Cost (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/LEASESScheduleofLeaseCostDetails</Role>
      <ShortName>LEASES - Schedule of Lease Cost (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>97</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R98.htm</HtmlFileName>
      <LongName>9955572 - Disclosure - LEASES - Supplemental Cash Flow Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/LEASESSupplementalCashFlowInformationDetails</Role>
      <ShortName>LEASES - Supplemental Cash Flow Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>98</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R99.htm</HtmlFileName>
      <LongName>9955573 - Disclosure - LEASES - Supplemental Balance Sheet Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/LEASESSupplementalBalanceSheetInformationDetails</Role>
      <ShortName>LEASES - Supplemental Balance Sheet Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>99</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R100.htm</HtmlFileName>
      <LongName>9955574 - Disclosure - LEASES - Maturities of Lease Liabilities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/LEASESMaturitiesofLeaseLiabilitiesDetails</Role>
      <ShortName>LEASES - Maturities of Lease Liabilities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>100</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R101.htm</HtmlFileName>
      <LongName>9955575 - Disclosure - DERIVATIVE INSTRUMENTS AND HEDGING TRANSACTIONS - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/DERIVATIVEINSTRUMENTSANDHEDGINGTRANSACTIONSNarrativeDetails</Role>
      <ShortName>DERIVATIVE INSTRUMENTS AND HEDGING TRANSACTIONS - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>101</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R102.htm</HtmlFileName>
      <LongName>9955576 - Disclosure - DERIVATIVE INSTRUMENTS AND HEDGING TRANSACTIONS - Schedule of Derivative Instruments in Statement of Financial Position (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/DERIVATIVEINSTRUMENTSANDHEDGINGTRANSACTIONSScheduleofDerivativeInstrumentsinStatementofFinancialPositionDetails</Role>
      <ShortName>DERIVATIVE INSTRUMENTS AND HEDGING TRANSACTIONS - Schedule of Derivative Instruments in Statement of Financial Position (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>102</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R103.htm</HtmlFileName>
      <LongName>9955577 - Disclosure - DERIVATIVE INSTRUMENTS AND HEDGING TRANSACTIONS - Schedule of Derivative Instruments (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/DERIVATIVEINSTRUMENTSANDHEDGINGTRANSACTIONSScheduleofDerivativeInstrumentsDetails</Role>
      <ShortName>DERIVATIVE INSTRUMENTS AND HEDGING TRANSACTIONS - Schedule of Derivative Instruments (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>103</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R104.htm</HtmlFileName>
      <LongName>9955578 - Disclosure - DERIVATIVE INSTRUMENTS AND HEDGING TRANSACTIONS - Derivative Instruments (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/DERIVATIVEINSTRUMENTSANDHEDGINGTRANSACTIONSDerivativeInstrumentsDetails</Role>
      <ShortName>DERIVATIVE INSTRUMENTS AND HEDGING TRANSACTIONS - Derivative Instruments (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>104</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R105.htm</HtmlFileName>
      <LongName>9955579 - Disclosure - DERIVATIVE INSTRUMENTS AND HEDGING TRANSACTIONS - Schedule of Net Investment Hedges in Accumulated Other Comprehensive Income (Loss) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/DERIVATIVEINSTRUMENTSANDHEDGINGTRANSACTIONSScheduleofNetInvestmentHedgesinAccumulatedOtherComprehensiveIncomeLossDetails</Role>
      <ShortName>DERIVATIVE INSTRUMENTS AND HEDGING TRANSACTIONS - Schedule of Net Investment Hedges in Accumulated Other Comprehensive Income (Loss) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>105</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R106.htm</HtmlFileName>
      <LongName>9955580 - Disclosure - FAIR VALUE MEASUREMENTS - Assets and Liabilities Accounted for at Fair Value (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/FAIRVALUEMEASUREMENTSAssetsandLiabilitiesAccountedforatFairValueDetails</Role>
      <ShortName>FAIR VALUE MEASUREMENTS - Assets and Liabilities Accounted for at Fair Value (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>106</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R107.htm</HtmlFileName>
      <LongName>9955581 - Disclosure - FAIR VALUE MEASUREMENTS - Financial Assets and Liabilities not Carried at Fair Value (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/FAIRVALUEMEASUREMENTSFinancialAssetsandLiabilitiesnotCarriedatFairValueDetails</Role>
      <ShortName>FAIR VALUE MEASUREMENTS - Financial Assets and Liabilities not Carried at Fair Value (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>107</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R108.htm</HtmlFileName>
      <LongName>9955582 - Disclosure - ACCRUED LIABILITIES (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/ACCRUEDLIABILITIESDetails</Role>
      <ShortName>ACCRUED LIABILITIES (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://honeywell.com/role/ACCRUEDLIABILITIESTables</ParentRole>
      <Position>108</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R109.htm</HtmlFileName>
      <LongName>9955583 - Disclosure - OTHER LIABILITIES (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/OTHERLIABILITIESDetails</Role>
      <ShortName>OTHER LIABILITIES (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://honeywell.com/role/OTHERLIABILITIESTables</ParentRole>
      <Position>109</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R110.htm</HtmlFileName>
      <LongName>9955584 - Disclosure - STOCK-BASED COMPENSATION PLANS - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/STOCKBASEDCOMPENSATIONPLANSNarrativeDetails</Role>
      <ShortName>STOCK-BASED COMPENSATION PLANS - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>110</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R111.htm</HtmlFileName>
      <LongName>9955585 - Disclosure - STOCK-BASED COMPENSATION PLANS - Income Statement Impact from Stock Options (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/STOCKBASEDCOMPENSATIONPLANSIncomeStatementImpactfromStockOptionsDetails</Role>
      <ShortName>STOCK-BASED COMPENSATION PLANS - Income Statement Impact from Stock Options (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>111</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R112.htm</HtmlFileName>
      <LongName>9955586 - Disclosure - STOCK BASED COMPENSATION PLANS - Share-based Compensation Fair Value Assumptions (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/STOCKBASEDCOMPENSATIONPLANSSharebasedCompensationFairValueAssumptionsDetails</Role>
      <ShortName>STOCK BASED COMPENSATION PLANS - Share-based Compensation Fair Value Assumptions (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>112</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R113.htm</HtmlFileName>
      <LongName>9955587 - Disclosure - STOCK-BASED COMPENSATION PLANS - Stock Options Activity (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/STOCKBASEDCOMPENSATIONPLANSStockOptionsActivityDetails</Role>
      <ShortName>STOCK-BASED COMPENSATION PLANS - Stock Options Activity (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>113</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R114.htm</HtmlFileName>
      <LongName>9955588 - Disclosure - STOCK-BASED COMPENSATION PLANS - Schedule of Share Based Compensation by Price Ranges (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/STOCKBASEDCOMPENSATIONPLANSScheduleofShareBasedCompensationbyPriceRangesDetails</Role>
      <ShortName>STOCK-BASED COMPENSATION PLANS - Schedule of Share Based Compensation by Price Ranges (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>114</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R115.htm</HtmlFileName>
      <LongName>9955589 - Disclosure - STOCK-BASED COMPENSATION PLANS - Financial Statement Impact From Stock Options Exercised (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/STOCKBASEDCOMPENSATIONPLANSFinancialStatementImpactFromStockOptionsExercisedDetails</Role>
      <ShortName>STOCK-BASED COMPENSATION PLANS - Financial Statement Impact From Stock Options Exercised (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>115</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R116.htm</HtmlFileName>
      <LongName>9955590 - Disclosure - STOCK-BASED COMPENSATION PLANS - Restricted Stock Units Activity (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/STOCKBASEDCOMPENSATIONPLANSRestrictedStockUnitsActivityDetails</Role>
      <ShortName>STOCK-BASED COMPENSATION PLANS - Restricted Stock Units Activity (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>116</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R117.htm</HtmlFileName>
      <LongName>9955591 - Disclosure - STOCK-BASED COMPENSATION PLANS - Income Statement Impact from RSUs (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/STOCKBASEDCOMPENSATIONPLANSIncomeStatementImpactfromRSUsDetails</Role>
      <ShortName>STOCK-BASED COMPENSATION PLANS - Income Statement Impact from RSUs (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>117</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R118.htm</HtmlFileName>
      <LongName>9955592 - Disclosure - EARNINGS PER SHARE - Schedule of Earnings per Share (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/EARNINGSPERSHAREScheduleofEarningsperShareDetails</Role>
      <ShortName>EARNINGS PER SHARE - Schedule of Earnings per Share (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>118</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R119.htm</HtmlFileName>
      <LongName>9955593 - Disclosure - EARNINGS PER SHARE - Additional Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/EARNINGSPERSHAREAdditionalInformationDetails</Role>
      <ShortName>EARNINGS PER SHARE - Additional Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>119</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R120.htm</HtmlFileName>
      <LongName>9955594 - Disclosure - ACCUMULATED OTHER COMPREHENSIVE LOSS (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/ACCUMULATEDOTHERCOMPREHENSIVELOSSDetails</Role>
      <ShortName>ACCUMULATED OTHER COMPREHENSIVE LOSS (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://honeywell.com/role/ACCUMULATEDOTHERCOMPREHENSIVELOSSTables</ParentRole>
      <Position>120</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R121.htm</HtmlFileName>
      <LongName>9955595 - Disclosure - ACCUMULATED OTHER COMPREHENSIVE LOSS - Components of Accumulated Other Comprehensive Loss (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/ACCUMULATEDOTHERCOMPREHENSIVELOSSComponentsofAccumulatedOtherComprehensiveLossDetails</Role>
      <ShortName>ACCUMULATED OTHER COMPREHENSIVE LOSS - Components of Accumulated Other Comprehensive Loss (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>121</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R122.htm</HtmlFileName>
      <LongName>9955596 - Disclosure - ACCUMULATED OTHER COMPREHENSIVE LOSS - Change in Other Comprehensive Loss By Component (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/ACCUMULATEDOTHERCOMPREHENSIVELOSSChangeinOtherComprehensiveLossByComponentDetails</Role>
      <ShortName>ACCUMULATED OTHER COMPREHENSIVE LOSS - Change in Other Comprehensive Loss By Component (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>122</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R123.htm</HtmlFileName>
      <LongName>9955597 - Disclosure - ACCUMULATED OTHER COMPREHENSIVE LOSS - Reclassifications Out of Accumulated Other Comprehensive Income Loss (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/ACCUMULATEDOTHERCOMPREHENSIVELOSSReclassificationsOutofAccumulatedOtherComprehensiveIncomeLossDetails</Role>
      <ShortName>ACCUMULATED OTHER COMPREHENSIVE LOSS - Reclassifications Out of Accumulated Other Comprehensive Income Loss (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>123</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R124.htm</HtmlFileName>
      <LongName>9955598 - Disclosure - CAPITAL STOCK - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/CAPITALSTOCKNarrativeDetails</Role>
      <ShortName>CAPITAL STOCK - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>124</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R125.htm</HtmlFileName>
      <LongName>9955599 - Disclosure - CAPITAL STOCK - Schedule of Stock Repurchased (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/CAPITALSTOCKScheduleofStockRepurchasedDetails</Role>
      <ShortName>CAPITAL STOCK - Schedule of Stock Repurchased (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>125</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R126.htm</HtmlFileName>
      <LongName>9955600 - Disclosure - COMMITMENTS AND CONTINGENCIES - Environmental Matters (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/COMMITMENTSANDCONTINGENCIESEnvironmentalMattersDetails</Role>
      <ShortName>COMMITMENTS AND CONTINGENCIES - Environmental Matters (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>126</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R127.htm</HtmlFileName>
      <LongName>9955601 - Disclosure - COMMITMENTS AND CONTINGENCIES - Asbestos-Related Liabilities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/COMMITMENTSANDCONTINGENCIESAsbestosRelatedLiabilitiesDetails</Role>
      <ShortName>COMMITMENTS AND CONTINGENCIES - Asbestos-Related Liabilities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>127</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R128.htm</HtmlFileName>
      <LongName>9955602 - Disclosure - COMMITMENTS AND CONTINGENCIES - Bendix Products Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/COMMITMENTSANDCONTINGENCIESBendixProductsNarrativeDetails</Role>
      <ShortName>COMMITMENTS AND CONTINGENCIES - Bendix Products Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>128</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R129.htm</HtmlFileName>
      <LongName>9955603 - Disclosure - COMMITMENTS AND CONTINGENCIES - Petrobras and Unaoil Matters (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/COMMITMENTSANDCONTINGENCIESPetrobrasandUnaoilMattersDetails</Role>
      <ShortName>COMMITMENTS AND CONTINGENCIES - Petrobras and Unaoil Matters (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>129</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R130.htm</HtmlFileName>
      <LongName>9955604 - Disclosure - COMMITMENTS AND CONTINGENCIES - Litigation Matters (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/COMMITMENTSANDCONTINGENCIESLitigationMattersDetails</Role>
      <ShortName>COMMITMENTS AND CONTINGENCIES - Litigation Matters (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>130</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R131.htm</HtmlFileName>
      <LongName>9955605 - Disclosure - COMMITMENTS AND CONTINGENCIES - Warranties and Guarantees (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/COMMITMENTSANDCONTINGENCIESWarrantiesandGuaranteesDetails</Role>
      <ShortName>COMMITMENTS AND CONTINGENCIES - Warranties and Guarantees (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>131</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R132.htm</HtmlFileName>
      <LongName>9955606 - Disclosure - PENSION AND OTHER POSTRETIREMENT BENEFITS - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/PENSIONANDOTHERPOSTRETIREMENTBENEFITSNarrativeDetails</Role>
      <ShortName>PENSION AND OTHER POSTRETIREMENT BENEFITS - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>132</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R133.htm</HtmlFileName>
      <LongName>9955607 - Disclosure - PENSION AND OTHER POSTRETIREMENT BENEFITS - Balance Sheet Impact (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/PENSIONANDOTHERPOSTRETIREMENTBENEFITSBalanceSheetImpactDetails</Role>
      <ShortName>PENSION AND OTHER POSTRETIREMENT BENEFITS - Balance Sheet Impact (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>133</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R134.htm</HtmlFileName>
      <LongName>9955608 - Disclosure - PENSION AND OTHER POSTRETIREMENT BENEFITS - Accumulated Other Comprehensive (Income) Loss Associated With Other Postretirement Benefit Plans (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/PENSIONANDOTHERPOSTRETIREMENTBENEFITSAccumulatedOtherComprehensiveIncomeLossAssociatedWithOtherPostretirementBenefitPlansDetails</Role>
      <ShortName>PENSION AND OTHER POSTRETIREMENT BENEFITS - Accumulated Other Comprehensive (Income) Loss Associated With Other Postretirement Benefit Plans (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>134</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R135.htm</HtmlFileName>
      <LongName>9955609 - Disclosure - PENSION AND OTHER POSTRETIREMENT BENEFITS - Net Periodic Benefit (Income) Cost Recognized in Other Comprehensive (Income) Loss (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/PENSIONANDOTHERPOSTRETIREMENTBENEFITSNetPeriodicBenefitIncomeCostRecognizedinOtherComprehensiveIncomeLossDetails</Role>
      <ShortName>PENSION AND OTHER POSTRETIREMENT BENEFITS - Net Periodic Benefit (Income) Cost Recognized in Other Comprehensive (Income) Loss (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>135</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R136.htm</HtmlFileName>
      <LongName>9955610 - Disclosure - PENSION AND OTHER POSTRETIREMENT BENEFITS - Actuarial Assumptions (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/PENSIONANDOTHERPOSTRETIREMENTBENEFITSActuarialAssumptionsDetails</Role>
      <ShortName>PENSION AND OTHER POSTRETIREMENT BENEFITS - Actuarial Assumptions (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>136</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R137.htm</HtmlFileName>
      <LongName>9955611 - Disclosure - PENSION AND OTHER POSTRETIREMENT BENEFITS - Pension Benefits (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/PENSIONANDOTHERPOSTRETIREMENTBENEFITSPensionBenefitsDetails</Role>
      <ShortName>PENSION AND OTHER POSTRETIREMENT BENEFITS - Pension Benefits (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>137</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R138.htm</HtmlFileName>
      <LongName>9955612 - Disclosure - PENSION AND OTHER POSTRETIREMENT BENEFITS - Fair Value of Pension Plan Assets (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/PENSIONANDOTHERPOSTRETIREMENTBENEFITSFairValueofPensionPlanAssetsDetails</Role>
      <ShortName>PENSION AND OTHER POSTRETIREMENT BENEFITS - Fair Value of Pension Plan Assets (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>138</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R139.htm</HtmlFileName>
      <LongName>9955613 - Disclosure - PENSION AND OTHER POSTRETIREMENT BENEFITS - Changes in Level 3 Fair Value (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/PENSIONANDOTHERPOSTRETIREMENTBENEFITSChangesinLevel3FairValueDetails</Role>
      <ShortName>PENSION AND OTHER POSTRETIREMENT BENEFITS - Changes in Level 3 Fair Value (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>139</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R140.htm</HtmlFileName>
      <LongName>9955614 - Disclosure - PENSION AND OTHER POSTRETIREMENT BENEFITS - Benefit Payments (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/PENSIONANDOTHERPOSTRETIREMENTBENEFITSBenefitPaymentsDetails</Role>
      <ShortName>PENSION AND OTHER POSTRETIREMENT BENEFITS - Benefit Payments (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>140</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R141.htm</HtmlFileName>
      <LongName>9955615 - Disclosure - PENSION AND OTHER POSTRETIREMENT BENEFITS - Other Postretirement Benefits (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/PENSIONANDOTHERPOSTRETIREMENTBENEFITSOtherPostretirementBenefitsDetails</Role>
      <ShortName>PENSION AND OTHER POSTRETIREMENT BENEFITS - Other Postretirement Benefits (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>141</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R142.htm</HtmlFileName>
      <LongName>9955616 - Disclosure - OTHER (INCOME) EXPENSE (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/OTHERINCOMEEXPENSEDetails</Role>
      <ShortName>OTHER (INCOME) EXPENSE (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://honeywell.com/role/OTHERLIABILITIESTables</ParentRole>
      <Position>142</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R143.htm</HtmlFileName>
      <LongName>9955617 - Disclosure - SEGMENT FINANCIAL DATA - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/SEGMENTFINANCIALDATANarrativeDetails</Role>
      <ShortName>SEGMENT FINANCIAL DATA - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>143</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R144.htm</HtmlFileName>
      <LongName>9955618 - Disclosure - SEGMENT FINANCIAL DATA - Schedule of Segment Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/SEGMENTFINANCIALDATAScheduleofSegmentInformationDetails</Role>
      <ShortName>SEGMENT FINANCIAL DATA - Schedule of Segment Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>144</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R145.htm</HtmlFileName>
      <LongName>9955619 - Disclosure - SEGMENT FINANCIAL DATA Reconciliation of Operating Profit Loss From Segments to Consolidated (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/SEGMENTFINANCIALDATAReconciliationofOperatingProfitLossFromSegmentstoConsolidatedDetails</Role>
      <ShortName>SEGMENT FINANCIAL DATA Reconciliation of Operating Profit Loss From Segments to Consolidated (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>145</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R146.htm</HtmlFileName>
      <LongName>9955620 - Disclosure - GEOGRAPHIC AREAS - FINANCIAL DATA (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/GEOGRAPHICAREASFINANCIALDATADetails</Role>
      <ShortName>GEOGRAPHIC AREAS - FINANCIAL DATA (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://honeywell.com/role/GEOGRAPHICAREASFINANCIALDATATables</ParentRole>
      <Position>146</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R147.htm</HtmlFileName>
      <LongName>9955621 - Disclosure - SUPPLEMENTAL CASH FLOW INFORMATION (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/SUPPLEMENTALCASHFLOWINFORMATIONDetails</Role>
      <ShortName>SUPPLEMENTAL CASH FLOW INFORMATION (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://honeywell.com/role/SUPPLEMENTALCASHFLOWINFORMATIONTables</ParentRole>
      <Position>147</Position>
    </Report>
    <Report instance="hon-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R148.htm</HtmlFileName>
      <LongName>9955622 - Disclosure - UNAUDITED QUARTERLY FINANCIAL INFORMATION (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://honeywell.com/role/UNAUDITEDQUARTERLYFINANCIALINFORMATIONDetails</Role>
      <ShortName>UNAUDITED QUARTERLY FINANCIAL INFORMATION (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://honeywell.com/role/UNAUDITEDQUARTERLYFINANCIALINFORMATIONTables</ParentRole>
      <Position>148</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <InputFiles>
    <File doctype="10-K" isDefinitelyFs="true" isUsgaap="true" original="hon-20251231.htm">hon-20251231.htm</File>
    <File>hon-20251231.xsd</File>
    <File>hon-20251231_cal.xml</File>
    <File>hon-20251231_def.xml</File>
    <File>hon-20251231_lab.xml</File>
    <File>hon-20251231_pre.xml</File>
  </InputFiles>
  <SupplementalFiles>
    <File>hon-20251231_g1.jpg</File>
    <File>hon-20251231_g10.jpg</File>
    <File>hon-20251231_g11.jpg</File>
    <File>hon-20251231_g12.jpg</File>
    <File>hon-20251231_g13.jpg</File>
    <File>hon-20251231_g14.jpg</File>
    <File>hon-20251231_g15.jpg</File>
    <File>hon-20251231_g16.jpg</File>
    <File>hon-20251231_g17.jpg</File>
    <File>hon-20251231_g18.jpg</File>
    <File>hon-20251231_g19.jpg</File>
    <File>hon-20251231_g2.jpg</File>
    <File>hon-20251231_g20.jpg</File>
    <File>hon-20251231_g21.jpg</File>
    <File>hon-20251231_g22.jpg</File>
    <File>hon-20251231_g23.jpg</File>
    <File>hon-20251231_g24.jpg</File>
    <File>hon-20251231_g25.jpg</File>
    <File>hon-20251231_g26.jpg</File>
    <File>hon-20251231_g27.jpg</File>
    <File>hon-20251231_g28.jpg</File>
    <File>hon-20251231_g29.jpg</File>
    <File>hon-20251231_g3.jpg</File>
    <File>hon-20251231_g30.jpg</File>
    <File>hon-20251231_g31.jpg</File>
    <File>hon-20251231_g32.jpg</File>
    <File>hon-20251231_g33.jpg</File>
    <File>hon-20251231_g34.jpg</File>
    <File>hon-20251231_g35.jpg</File>
    <File>hon-20251231_g36.jpg</File>
    <File>hon-20251231_g37.jpg</File>
    <File>hon-20251231_g38.jpg</File>
    <File>hon-20251231_g39.jpg</File>
    <File>hon-20251231_g4.jpg</File>
    <File>hon-20251231_g40.jpg</File>
    <File>hon-20251231_g41.jpg</File>
    <File>hon-20251231_g42.jpg</File>
    <File>hon-20251231_g43.jpg</File>
    <File>hon-20251231_g5.jpg</File>
    <File>hon-20251231_g6.jpg</File>
    <File>hon-20251231_g7.jpg</File>
    <File>hon-20251231_g8.jpg</File>
    <File>hon-20251231_g9.jpg</File>
  </SupplementalFiles>
  <BaseTaxonomies>
    <BaseTaxonomy items="1">http://fasb.org/srt/2025</BaseTaxonomy>
    <BaseTaxonomy items="3193">http://fasb.org/us-gaap/2025</BaseTaxonomy>
    <BaseTaxonomy items="15">http://xbrl.sec.gov/cyd/2025</BaseTaxonomy>
    <BaseTaxonomy items="59">http://xbrl.sec.gov/dei/2025</BaseTaxonomy>
    <BaseTaxonomy items="19">http://xbrl.sec.gov/ecd/2025</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
