<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.26.1</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>385</ContextCount>
  <ElementCount>332</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>true</FootnotesReported>
  <SegmentCount>89</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>5</UnitCount>
  <MyReports>
    <Report instance="tex-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>0000001 - Document - Cover</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.terex.com/role/Cover</Role>
      <ShortName>Cover</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report instance="tex-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>9952151 - Statement - CONDENSED CONSOLIDATED STATEMENT OF OPERATINGS AND COMPREHENSIVE (LOSS) INCOME</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.terex.com/role/CONDENSEDCONSOLIDATEDSTATEMENTOFOPERATINGSANDCOMPREHENSIVELOSSINCOME</Role>
      <ShortName>CONDENSED CONSOLIDATED STATEMENT OF OPERATINGS AND COMPREHENSIVE (LOSS) INCOME</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>2</Position>
    </Report>
    <Report instance="tex-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>9952152 - Statement - CONDENSED CONSOLIDATED BALANCE SHEET</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.terex.com/role/CONDENSEDCONSOLIDATEDBALANCESHEET</Role>
      <ShortName>CONDENSED CONSOLIDATED BALANCE SHEET</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>3</Position>
    </Report>
    <Report instance="tex-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>9952153 - Statement - CONDENSED CONSOLIDATED BALANCE SHEET (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.terex.com/role/CONDENSEDCONSOLIDATEDBALANCESHEETParenthetical</Role>
      <ShortName>CONDENSED CONSOLIDATED BALANCE SHEET (Parenthetical)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>4</Position>
    </Report>
    <Report instance="tex-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>9952154 - Statement - CONDENSED CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.terex.com/role/CONDENSEDCONSOLIDATEDSTATEMENTOFCHANGESINSTOCKHOLDERSEQUITY</Role>
      <ShortName>CONDENSED CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>5</Position>
    </Report>
    <Report instance="tex-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>9952155 - Statement - CONDENSED CONSOLIDATED STATEMENT OF CASH FLOWS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.terex.com/role/CONDENSEDCONSOLIDATEDSTATEMENTOFCASHFLOWS</Role>
      <ShortName>CONDENSED CONSOLIDATED STATEMENT OF CASH FLOWS</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>6</Position>
    </Report>
    <Report instance="tex-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>9952156 - Disclosure - BASIS OF PRESENTATION</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.terex.com/role/BASISOFPRESENTATION</Role>
      <ShortName>BASIS OF PRESENTATION</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>7</Position>
    </Report>
    <Report instance="tex-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>9952157 - Disclosure - BUSINESS SEGMENT INFORMATION</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.terex.com/role/BUSINESSSEGMENTINFORMATION</Role>
      <ShortName>BUSINESS SEGMENT INFORMATION</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>8</Position>
    </Report>
    <Report instance="tex-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>9952158 - Disclosure - INCOME TAXES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.terex.com/role/INCOMETAXES</Role>
      <ShortName>INCOME TAXES</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>9</Position>
    </Report>
    <Report instance="tex-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>9952159 - Disclosure - ACQUISITIONS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.terex.com/role/ACQUISITIONS</Role>
      <ShortName>ACQUISITIONS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>10</Position>
    </Report>
    <Report instance="tex-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>9952160 - Disclosure - EARNINGS PER SHARE</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.terex.com/role/EARNINGSPERSHARE</Role>
      <ShortName>EARNINGS PER SHARE</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>11</Position>
    </Report>
    <Report instance="tex-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>9952161 - Disclosure - INVENTORIES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.terex.com/role/INVENTORIES</Role>
      <ShortName>INVENTORIES</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>12</Position>
    </Report>
    <Report instance="tex-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>9952162 - Disclosure - PROPERTY, PLANT AND EQUIPMENT</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.terex.com/role/PROPERTYPLANTANDEQUIPMENT</Role>
      <ShortName>PROPERTY, PLANT AND EQUIPMENT</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>13</Position>
    </Report>
    <Report instance="tex-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>9952163 - Disclosure - GOODWILL AND INTANGIBLE ASSETS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.terex.com/role/GOODWILLANDINTANGIBLEASSETS</Role>
      <ShortName>GOODWILL AND INTANGIBLE ASSETS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>14</Position>
    </Report>
    <Report instance="tex-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>9952164 - Disclosure - LONG-TERM OBLIGATIONS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.terex.com/role/LONGTERMOBLIGATIONS</Role>
      <ShortName>LONG-TERM OBLIGATIONS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>15</Position>
    </Report>
    <Report instance="tex-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>9952165 - Disclosure - LITIGATION AND CONTINGENCIES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.terex.com/role/LITIGATIONANDCONTINGENCIES</Role>
      <ShortName>LITIGATION AND CONTINGENCIES</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>16</Position>
    </Report>
    <Report instance="tex-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>9952166 - Disclosure - STOCKHOLDERS' EQUITY</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.terex.com/role/STOCKHOLDERSEQUITY</Role>
      <ShortName>STOCKHOLDERS' EQUITY</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>17</Position>
    </Report>
    <Report instance="tex-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.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>18</Position>
    </Report>
    <Report instance="tex-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>9955511 - Disclosure - BASIS OF PRESENTATION (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.terex.com/role/BASISOFPRESENTATIONPolicies</Role>
      <ShortName>BASIS OF PRESENTATION (Policies)</ShortName>
      <MenuCategory>Policies</MenuCategory>
      <Position>19</Position>
    </Report>
    <Report instance="tex-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>9955512 - Disclosure - BASIS OF PRESENTATION (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.terex.com/role/BASISOFPRESENTATIONTables</Role>
      <ShortName>BASIS OF PRESENTATION (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.terex.com/role/BASISOFPRESENTATION</ParentRole>
      <Position>20</Position>
    </Report>
    <Report instance="tex-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>9955513 - Disclosure - BUSINESS SEGMENT INFORMATION (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.terex.com/role/BUSINESSSEGMENTINFORMATIONTables</Role>
      <ShortName>BUSINESS SEGMENT INFORMATION (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.terex.com/role/BUSINESSSEGMENTINFORMATION</ParentRole>
      <Position>21</Position>
    </Report>
    <Report instance="tex-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>9955514 - Disclosure - ACQUISITIONS (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.terex.com/role/ACQUISITIONSTables</Role>
      <ShortName>ACQUISITIONS (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.terex.com/role/ACQUISITIONS</ParentRole>
      <Position>22</Position>
    </Report>
    <Report instance="tex-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>9955515 - Disclosure - EARNINGS PER SHARE (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.terex.com/role/EARNINGSPERSHARETables</Role>
      <ShortName>EARNINGS PER SHARE (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.terex.com/role/EARNINGSPERSHARE</ParentRole>
      <Position>23</Position>
    </Report>
    <Report instance="tex-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>9955516 - Disclosure - INVENTORIES (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.terex.com/role/INVENTORIESTables</Role>
      <ShortName>INVENTORIES (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.terex.com/role/INVENTORIES</ParentRole>
      <Position>24</Position>
    </Report>
    <Report instance="tex-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>9955517 - Disclosure - PROPERTY, PLANT AND EQUIPMENT (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.terex.com/role/PROPERTYPLANTANDEQUIPMENTTables</Role>
      <ShortName>PROPERTY, PLANT AND EQUIPMENT (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.terex.com/role/PROPERTYPLANTANDEQUIPMENT</ParentRole>
      <Position>25</Position>
    </Report>
    <Report instance="tex-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>9955518 - Disclosure - GOODWILL AND INTANGIBLE ASSETS (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.terex.com/role/GOODWILLANDINTANGIBLEASSETSTables</Role>
      <ShortName>GOODWILL AND INTANGIBLE ASSETS (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.terex.com/role/GOODWILLANDINTANGIBLEASSETS</ParentRole>
      <Position>26</Position>
    </Report>
    <Report instance="tex-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.htm</HtmlFileName>
      <LongName>9955519 - Disclosure - LONG-TERM OBLIGATIONS (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.terex.com/role/LONGTERMOBLIGATIONSTables</Role>
      <ShortName>LONG-TERM OBLIGATIONS (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.terex.com/role/LONGTERMOBLIGATIONS</ParentRole>
      <Position>27</Position>
    </Report>
    <Report instance="tex-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>9955520 - Disclosure - STOCKHOLDERS' EQUITY (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.terex.com/role/STOCKHOLDERSEQUITYTables</Role>
      <ShortName>STOCKHOLDERS' EQUITY (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.terex.com/role/STOCKHOLDERSEQUITY</ParentRole>
      <Position>28</Position>
    </Report>
    <Report instance="tex-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>9955521 - Disclosure - BASIS OF PRESENTATION - Additional Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.terex.com/role/BASISOFPRESENTATIONAdditionalInformationDetails</Role>
      <ShortName>BASIS OF PRESENTATION - Additional Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>29</Position>
    </Report>
    <Report instance="tex-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>9955522 - Disclosure - BASIS OF PRESENTATION - Allowance for doubtful accounts rollforward (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.terex.com/role/BASISOFPRESENTATIONAllowancefordoubtfulaccountsrollforwardDetails</Role>
      <ShortName>BASIS OF PRESENTATION - Allowance for doubtful accounts rollforward (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>30</Position>
    </Report>
    <Report instance="tex-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>9955523 - Disclosure - BASIS OF PRESENTATION - Changes in Product Warranty Liability (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.terex.com/role/BASISOFPRESENTATIONChangesinProductWarrantyLiabilityDetails</Role>
      <ShortName>BASIS OF PRESENTATION - Changes in Product Warranty Liability (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>31</Position>
    </Report>
    <Report instance="tex-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R32.htm</HtmlFileName>
      <LongName>9955524 - Disclosure - BASIS OF PRESENTATION - Schedule of Contract Revenue Recognized (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.terex.com/role/BASISOFPRESENTATIONScheduleofContractRevenueRecognizedDetails</Role>
      <ShortName>BASIS OF PRESENTATION - Schedule of Contract Revenue Recognized (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>32</Position>
    </Report>
    <Report instance="tex-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>9955525 - Disclosure - BUSINESS SEGMENT INFORMATION - Additional Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.terex.com/role/BUSINESSSEGMENTINFORMATIONAdditionalInformationDetails</Role>
      <ShortName>BUSINESS SEGMENT INFORMATION - Additional Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>33</Position>
    </Report>
    <Report instance="tex-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R34.htm</HtmlFileName>
      <LongName>9955526 - Disclosure - BUSINESS SEGMENT INFORMATION - Net Sales and Income (Loss) from Operations by Segment (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.terex.com/role/BUSINESSSEGMENTINFORMATIONNetSalesandIncomeLossfromOperationsbySegmentDetails</Role>
      <ShortName>BUSINESS SEGMENT INFORMATION - Net Sales and Income (Loss) from Operations by Segment (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>34</Position>
    </Report>
    <Report instance="tex-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R35.htm</HtmlFileName>
      <LongName>9955527 - Disclosure - BUSINESS SEGMENT INFORMATION - Depreciation, Amortization and Capital Expenditures by Segment (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.terex.com/role/BUSINESSSEGMENTINFORMATIONDepreciationAmortizationandCapitalExpendituresbySegmentDetails</Role>
      <ShortName>BUSINESS SEGMENT INFORMATION - Depreciation, Amortization and Capital Expenditures by Segment (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>35</Position>
    </Report>
    <Report instance="tex-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R36.htm</HtmlFileName>
      <LongName>9955528 - Disclosure - BUSINESS SEGMENT INFORMATION - Identifiable Assets by Segment (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.terex.com/role/BUSINESSSEGMENTINFORMATIONIdentifiableAssetsbySegmentDetails</Role>
      <ShortName>BUSINESS SEGMENT INFORMATION - Identifiable Assets by Segment (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>36</Position>
    </Report>
    <Report instance="tex-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R37.htm</HtmlFileName>
      <LongName>9955529 - Disclosure - BUSINESS SEGMENT INFORMATION - Net Sales by Region (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.terex.com/role/BUSINESSSEGMENTINFORMATIONNetSalesbyRegionDetails</Role>
      <ShortName>BUSINESS SEGMENT INFORMATION - Net Sales by Region (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>37</Position>
    </Report>
    <Report instance="tex-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R38.htm</HtmlFileName>
      <LongName>9955530 - Disclosure - INCOME TAXES (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.terex.com/role/INCOMETAXESDetails</Role>
      <ShortName>INCOME TAXES (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.terex.com/role/INCOMETAXES</ParentRole>
      <Position>38</Position>
    </Report>
    <Report instance="tex-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R39.htm</HtmlFileName>
      <LongName>9955531 - Disclosure - ACQUISITIONS - Additional Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.terex.com/role/ACQUISITIONSAdditionalInformationDetails</Role>
      <ShortName>ACQUISITIONS - Additional Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>39</Position>
    </Report>
    <Report instance="tex-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R40.htm</HtmlFileName>
      <LongName>9955532 - Disclosure - ACQUISITIONS - Provisional Consideration Transferred (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.terex.com/role/ACQUISITIONSProvisionalConsiderationTransferredDetails</Role>
      <ShortName>ACQUISITIONS - Provisional Consideration Transferred (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>40</Position>
    </Report>
    <Report instance="tex-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R41.htm</HtmlFileName>
      <LongName>9955533 - Disclosure - ACQUISITIONS - Schedule of Preliminary Assets Acquired and Liabilities Assumed (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.terex.com/role/ACQUISITIONSScheduleofPreliminaryAssetsAcquiredandLiabilitiesAssumedDetails</Role>
      <ShortName>ACQUISITIONS - Schedule of Preliminary Assets Acquired and Liabilities Assumed (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>41</Position>
    </Report>
    <Report instance="tex-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R42.htm</HtmlFileName>
      <LongName>9955534 - Disclosure - ACQUISITIONS - Schedule of Finite-Lived Intangible Assets Acquired (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.terex.com/role/ACQUISITIONSScheduleofFiniteLivedIntangibleAssetsAcquiredDetails</Role>
      <ShortName>ACQUISITIONS - Schedule of Finite-Lived Intangible Assets Acquired (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>42</Position>
    </Report>
    <Report instance="tex-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R43.htm</HtmlFileName>
      <LongName>9955535 - Disclosure - ACQUISITIONS - Schedule of Pro Forma Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.terex.com/role/ACQUISITIONSScheduleofProFormaInformationDetails</Role>
      <ShortName>ACQUISITIONS - Schedule of Pro Forma Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>43</Position>
    </Report>
    <Report instance="tex-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R44.htm</HtmlFileName>
      <LongName>9955536 - Disclosure - EARNINGS PER SHARE (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.terex.com/role/EARNINGSPERSHAREDetails</Role>
      <ShortName>EARNINGS PER SHARE (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.terex.com/role/EARNINGSPERSHARETables</ParentRole>
      <Position>44</Position>
    </Report>
    <Report instance="tex-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R45.htm</HtmlFileName>
      <LongName>9955537 - Disclosure - INVENTORIES (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.terex.com/role/INVENTORIESDetails</Role>
      <ShortName>INVENTORIES (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.terex.com/role/INVENTORIESTables</ParentRole>
      <Position>45</Position>
    </Report>
    <Report instance="tex-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R46.htm</HtmlFileName>
      <LongName>9955538 - Disclosure - PROPERTY, PLANT AND EQUIPMENT (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.terex.com/role/PROPERTYPLANTANDEQUIPMENTDetails</Role>
      <ShortName>PROPERTY, PLANT AND EQUIPMENT (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.terex.com/role/PROPERTYPLANTANDEQUIPMENTTables</ParentRole>
      <Position>46</Position>
    </Report>
    <Report instance="tex-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R47.htm</HtmlFileName>
      <LongName>9955539 - Disclosure - GOODWILL AND INTANGIBLE ASSETS (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.terex.com/role/GOODWILLANDINTANGIBLEASSETSDetails</Role>
      <ShortName>GOODWILL AND INTANGIBLE ASSETS (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.terex.com/role/GOODWILLANDINTANGIBLEASSETSTables</ParentRole>
      <Position>47</Position>
    </Report>
    <Report instance="tex-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R48.htm</HtmlFileName>
      <LongName>9955540 - Disclosure - GOODWILL AND INTANGIBLE ASSETS - Intangible Assets (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.terex.com/role/GOODWILLANDINTANGIBLEASSETSIntangibleAssetsDetails</Role>
      <ShortName>GOODWILL AND INTANGIBLE ASSETS - Intangible Assets (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>48</Position>
    </Report>
    <Report instance="tex-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R49.htm</HtmlFileName>
      <LongName>9955541 - Disclosure - GOODWILL AND INTANGIBLE ASSETS - Aggregate Amortization Expense (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.terex.com/role/GOODWILLANDINTANGIBLEASSETSAggregateAmortizationExpenseDetails</Role>
      <ShortName>GOODWILL AND INTANGIBLE ASSETS - Aggregate Amortization Expense (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>49</Position>
    </Report>
    <Report instance="tex-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R50.htm</HtmlFileName>
      <LongName>9955542 - Disclosure - GOODWILL AND INTANGIBLE ASSETS - Future Amortization Expense Schedule (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.terex.com/role/GOODWILLANDINTANGIBLEASSETSFutureAmortizationExpenseScheduleDetails</Role>
      <ShortName>GOODWILL AND INTANGIBLE ASSETS - Future Amortization Expense Schedule (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>50</Position>
    </Report>
    <Report instance="tex-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R51.htm</HtmlFileName>
      <LongName>9955543 - Disclosure - LONG-TERM OBLIGATIONS - Schedule of Long-term Debt (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.terex.com/role/LONGTERMOBLIGATIONSScheduleofLongtermDebtDetails</Role>
      <ShortName>LONG-TERM OBLIGATIONS - Schedule of Long-term Debt (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>51</Position>
    </Report>
    <Report instance="tex-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R52.htm</HtmlFileName>
      <LongName>9955544 - Disclosure - LONG-TERM OBLIGATIONS - Credit Agreement (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.terex.com/role/LONGTERMOBLIGATIONSCreditAgreementDetails</Role>
      <ShortName>LONG-TERM OBLIGATIONS - Credit Agreement (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>52</Position>
    </Report>
    <Report instance="tex-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R53.htm</HtmlFileName>
      <LongName>9955545 - Disclosure - LONG-TERM OBLIGATIONS - Schedule of Letters of Credit Outstanding (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.terex.com/role/LONGTERMOBLIGATIONSScheduleofLettersofCreditOutstandingDetails</Role>
      <ShortName>LONG-TERM OBLIGATIONS - Schedule of Letters of Credit Outstanding (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>53</Position>
    </Report>
    <Report instance="tex-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R54.htm</HtmlFileName>
      <LongName>9955546 - Disclosure - LONG-TERM OBLIGATIONS - 5% Senior Notes (Details)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.terex.com/role/LONGTERMOBLIGATIONS5SeniorNotesDetails</Role>
      <ShortName>LONG-TERM OBLIGATIONS - 5% Senior Notes (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>54</Position>
    </Report>
    <Report instance="tex-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R55.htm</HtmlFileName>
      <LongName>9955547 - Disclosure - LONG-TERM OBLIGATIONS - 6.25% Senior Notes (Details)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.terex.com/role/LONGTERMOBLIGATIONS625SeniorNotesDetails</Role>
      <ShortName>LONG-TERM OBLIGATIONS - 6.25% Senior Notes (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>55</Position>
    </Report>
    <Report instance="tex-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R56.htm</HtmlFileName>
      <LongName>9955548 - Disclosure - LONG-TERM OBLIGATIONS - Secured Borrowings (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.terex.com/role/LONGTERMOBLIGATIONSSecuredBorrowingsDetails</Role>
      <ShortName>LONG-TERM OBLIGATIONS - Secured Borrowings (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>56</Position>
    </Report>
    <Report instance="tex-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R57.htm</HtmlFileName>
      <LongName>9955549 - Disclosure - LONG-TERM OBLIGATIONS - Fair Value of Debt (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.terex.com/role/LONGTERMOBLIGATIONSFairValueofDebtDetails</Role>
      <ShortName>LONG-TERM OBLIGATIONS - Fair Value of Debt (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>57</Position>
    </Report>
    <Report instance="tex-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R58.htm</HtmlFileName>
      <LongName>9955550 - Disclosure - LITIGATION AND CONTINGENCIES (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.terex.com/role/LITIGATIONANDCONTINGENCIESDetails</Role>
      <ShortName>LITIGATION AND CONTINGENCIES (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.terex.com/role/LITIGATIONANDCONTINGENCIES</ParentRole>
      <Position>58</Position>
    </Report>
    <Report instance="tex-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R59.htm</HtmlFileName>
      <LongName>9955551 - Disclosure - STOCKHOLDERS' EQUITY - Accumulated Other Comprehensive Income (Loss) Rollforward (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.terex.com/role/STOCKHOLDERSEQUITYAccumulatedOtherComprehensiveIncomeLossRollforwardDetails</Role>
      <ShortName>STOCKHOLDERS' EQUITY - Accumulated Other Comprehensive Income (Loss) Rollforward (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>59</Position>
    </Report>
    <Report instance="tex-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R60.htm</HtmlFileName>
      <LongName>9955552 - Disclosure - STOCKHOLDERS' EQUITY - Common Stock in Treasury (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.terex.com/role/STOCKHOLDERSEQUITYCommonStockinTreasuryDetails</Role>
      <ShortName>STOCKHOLDERS' EQUITY - Common Stock in Treasury (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>60</Position>
    </Report>
    <Report instance="tex-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R61.htm</HtmlFileName>
      <LongName>9955553 - Disclosure - STOCKHOLDERS' EQUITY - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.terex.com/role/STOCKHOLDERSEQUITYNarrativeDetails</Role>
      <ShortName>STOCKHOLDERS' EQUITY - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>61</Position>
    </Report>
    <Report instance="tex-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R62.htm</HtmlFileName>
      <LongName>9955554 - Disclosure - STOCKHOLDERS' EQUITY - Stock-Based Compensation Measurement Assumptions (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.terex.com/role/STOCKHOLDERSEQUITYStockBasedCompensationMeasurementAssumptionsDetails</Role>
      <ShortName>STOCKHOLDERS' EQUITY - Stock-Based Compensation Measurement Assumptions (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>62</Position>
    </Report>
    <Report instance="tex-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R63.htm</HtmlFileName>
      <LongName>9955555 - Disclosure - STOCKHOLDERS' EQUITY - Share Repurchases and Dividends (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.terex.com/role/STOCKHOLDERSEQUITYShareRepurchasesandDividendsDetails</Role>
      <ShortName>STOCKHOLDERS' EQUITY - Share Repurchases and Dividends (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>63</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-Q" isDefinitelyFs="true" isUsgaap="true" original="tex-20260630.htm">tex-20260630.htm</File>
    <File>tex-20260630.xsd</File>
    <File>tex-20260630_cal.xml</File>
    <File>tex-20260630_def.xml</File>
    <File>tex-20260630_lab.xml</File>
    <File>tex-20260630_pre.xml</File>
  </InputFiles>
  <SupplementalFiles>
    <File>tex-20260630_g1.jpg</File>
  </SupplementalFiles>
  <BaseTaxonomies>
    <BaseTaxonomy items="1">http://fasb.org/srt/2026</BaseTaxonomy>
    <BaseTaxonomy items="1135">http://fasb.org/us-gaap/2026</BaseTaxonomy>
    <BaseTaxonomy items="29">http://xbrl.sec.gov/dei/2026</BaseTaxonomy>
    <BaseTaxonomy items="4">http://xbrl.sec.gov/ecd/2026</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
