<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.26.1</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>233</ContextCount>
  <ElementCount>319</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>true</FootnotesReported>
  <SegmentCount>71</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>8</UnitCount>
  <MyReports>
    <Report instance="tko-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>75000 - Document - Cover Page</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DocumentCoverPage</Role>
      <ShortName>Cover Page</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report instance="tko-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>75010 - Statement - Consolidated Balance Sheets</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/StatementConsolidatedBalanceSheets</Role>
      <ShortName>Consolidated Balance Sheets</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>2</Position>
    </Report>
    <Report instance="tko-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>75020 - Statement - Consolidated Balance Sheets (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/StatementConsolidatedBalanceSheetsParenthetical</Role>
      <ShortName>Consolidated Balance Sheets (Parenthetical)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>3</Position>
    </Report>
    <Report instance="tko-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>75030 - Statement - Consolidated Statements of Operations</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/StatementConsolidatedStatementsOfOperations</Role>
      <ShortName>Consolidated Statements of Operations</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>4</Position>
    </Report>
    <Report instance="tko-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>75040 - Statement - Consolidated Statements of Comprehensive Income</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/StatementConsolidatedStatementsOfComprehensiveIncome</Role>
      <ShortName>Consolidated Statements of Comprehensive Income</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>5</Position>
    </Report>
    <Report instance="tko-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>75050 - Statement - Consolidated Statements of Stockholders??? Equity</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/StatementConsolidatedStatementsOfStockholdersEquity</Role>
      <ShortName>Consolidated Statements of Stockholders??? Equity</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>6</Position>
    </Report>
    <Report instance="tko-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>75060 - Statement - Consolidated Statements of Stockholders' Equity (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/StatementConsolidatedStatementsOfStockholdersEquityParenthetical</Role>
      <ShortName>Consolidated Statements of Stockholders' Equity (Parenthetical)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>7</Position>
    </Report>
    <Report instance="tko-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>75070 - Statement - Consolidated Statements of Cash Flows</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/StatementConsolidatedStatementsOfCashFlows</Role>
      <ShortName>Consolidated Statements of Cash Flows</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>8</Position>
    </Report>
    <Report instance="tko-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>995410 - Disclosure - Pay vs Performance Disclosure</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://xbrl.sec.gov/ecd/role/PvpDisclosure</Role>
      <ShortName>Pay vs Performance Disclosure</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>9</Position>
    </Report>
    <Report instance="tko-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.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>10</Position>
    </Report>
    <Report instance="tko-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>995455 - Disclosure - DESCRIPTION OF BUSINESS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureDescriptionOfBusiness</Role>
      <ShortName>DESCRIPTION OF BUSINESS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>11</Position>
    </Report>
    <Report instance="tko-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>995465 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureSummaryOfSignificantAccountingPolicies</Role>
      <ShortName>SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>12</Position>
    </Report>
    <Report instance="tko-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>995475 - Disclosure - RECENT ACCOUNTING PRONOUNCEMENTS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureRecentAccountingPronouncements</Role>
      <ShortName>RECENT ACCOUNTING PRONOUNCEMENTS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>13</Position>
    </Report>
    <Report instance="tko-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>995495 - Disclosure - REVENUE</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureRevenue</Role>
      <ShortName>REVENUE</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>14</Position>
    </Report>
    <Report instance="tko-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>995505 - Disclosure - SUPPLEMENTARY DATA</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureSupplementaryData</Role>
      <ShortName>SUPPLEMENTARY DATA</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>15</Position>
    </Report>
    <Report instance="tko-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>995515 - Disclosure - GOODWILL AND INTANGIBLE ASSETS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureGoodwillAndIntangibleAssets</Role>
      <ShortName>GOODWILL AND INTANGIBLE ASSETS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>16</Position>
    </Report>
    <Report instance="tko-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>995525 - Disclosure - INVESTMENTS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureInvestments</Role>
      <ShortName>INVESTMENTS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>17</Position>
    </Report>
    <Report instance="tko-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>995535 - Disclosure - DEBT</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureDebt</Role>
      <ShortName>DEBT</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>18</Position>
    </Report>
    <Report instance="tko-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>995545 - Disclosure - STOCKHOLDERS??? EQUITY</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureStockholdersEquity</Role>
      <ShortName>STOCKHOLDERS??? EQUITY</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>19</Position>
    </Report>
    <Report instance="tko-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>995555 - Disclosure - NON-CONTROLLING INTERESTS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureNonControllingInterests</Role>
      <ShortName>NON-CONTROLLING INTERESTS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>20</Position>
    </Report>
    <Report instance="tko-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>995575 - Disclosure - EARNINGS PER SHARE ("EPS")</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureEarningsPerShareEps</Role>
      <ShortName>EARNINGS PER SHARE ("EPS")</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>21</Position>
    </Report>
    <Report instance="tko-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>995585 - Disclosure - INCOME TAXES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureIncomeTaxes</Role>
      <ShortName>INCOME TAXES</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>22</Position>
    </Report>
    <Report instance="tko-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>995615 - Disclosure - COMMITMENTS AND CONTINGENCIES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureCommitmentsAndContingencies</Role>
      <ShortName>COMMITMENTS AND CONTINGENCIES</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>23</Position>
    </Report>
    <Report instance="tko-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>995625 - Disclosure - SEGMENT INFORMATION</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureSegmentInformation</Role>
      <ShortName>SEGMENT INFORMATION</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>24</Position>
    </Report>
    <Report instance="tko-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>995645 - Disclosure - RELATED PARTY TRANSACTIONS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureRelatedPartyTransactions</Role>
      <ShortName>RELATED PARTY TRANSACTIONS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>25</Position>
    </Report>
    <Report instance="tko-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>995665 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureSummaryOfSignificantAccountingPoliciesPolicies</Role>
      <ShortName>SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)</ShortName>
      <MenuCategory>Policies</MenuCategory>
      <Position>26</Position>
    </Report>
    <Report instance="tko-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.htm</HtmlFileName>
      <LongName>995675 - Disclosure - RECENT ACCOUNTING PRONOUNCEMENTS (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureRecentAccountingPronouncementsPolicies</Role>
      <ShortName>RECENT ACCOUNTING PRONOUNCEMENTS (Policies)</ShortName>
      <MenuCategory>Policies</MenuCategory>
      <Position>27</Position>
    </Report>
    <Report instance="tko-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>995695 - Disclosure - REVENUE (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureRevenueTables</Role>
      <ShortName>REVENUE (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureRevenue</ParentRole>
      <Position>28</Position>
    </Report>
    <Report instance="tko-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>995705 - Disclosure - SUPPLEMENTARY DATA (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureSupplementaryDataTables</Role>
      <ShortName>SUPPLEMENTARY DATA (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureSupplementaryData</ParentRole>
      <Position>29</Position>
    </Report>
    <Report instance="tko-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>995725 - Disclosure - INVESTMENTS (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureInvestmentsTables</Role>
      <ShortName>INVESTMENTS (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureInvestments</ParentRole>
      <Position>30</Position>
    </Report>
    <Report instance="tko-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>995735 - Disclosure - DEBT (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureDebtTables</Role>
      <ShortName>DEBT (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureDebt</ParentRole>
      <Position>31</Position>
    </Report>
    <Report instance="tko-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R32.htm</HtmlFileName>
      <LongName>995765 - Disclosure - EARNINGS PER SHARE ("EPS") (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureEarningsPerShareEpsTables</Role>
      <ShortName>EARNINGS PER SHARE ("EPS") (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureEarningsPerShareEps</ParentRole>
      <Position>32</Position>
    </Report>
    <Report instance="tko-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>995785 - Disclosure - SEGMENT INFORMATION (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureSegmentInformationTables</Role>
      <ShortName>SEGMENT INFORMATION (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureSegmentInformation</ParentRole>
      <Position>33</Position>
    </Report>
    <Report instance="tko-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R34.htm</HtmlFileName>
      <LongName>995795 - Disclosure - RELATED PARTY TRANSACTIONS (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureRelatedPartyTransactionsTables</Role>
      <ShortName>RELATED PARTY TRANSACTIONS (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureRelatedPartyTransactions</ParentRole>
      <Position>34</Position>
    </Report>
    <Report instance="tko-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R35.htm</HtmlFileName>
      <LongName>995805 - Disclosure - DESCRIPTION OF BUSINESS (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureDescriptionOfBusinessNarrativeDetails</Role>
      <ShortName>DESCRIPTION OF BUSINESS (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureDescriptionOfBusiness</ParentRole>
      <Position>35</Position>
    </Report>
    <Report instance="tko-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R36.htm</HtmlFileName>
      <LongName>995815 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureSummaryOfSignificantAccountingPoliciesNarrativeDetails</Role>
      <ShortName>SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureSummaryOfSignificantAccountingPoliciesPolicies</ParentRole>
      <Position>36</Position>
    </Report>
    <Report instance="tko-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R37.htm</HtmlFileName>
      <LongName>995825 - Disclosure - REVENUE (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureRevenueNarrativeDetails</Role>
      <ShortName>REVENUE (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureRevenueTables</ParentRole>
      <Position>37</Position>
    </Report>
    <Report instance="tko-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R38.htm</HtmlFileName>
      <LongName>995835 - Disclosure - REVENUE (Summary of Company's Revenue Disaggregated by Primary Revenue Sources) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureRevenueSummaryOfCompanySRevenueDisaggregatedByPrimaryRevenueSourcesDetails</Role>
      <ShortName>REVENUE (Summary of Company's Revenue Disaggregated by Primary Revenue Sources) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureRevenueTables</ParentRole>
      <Position>38</Position>
    </Report>
    <Report instance="tko-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R39.htm</HtmlFileName>
      <LongName>995845 - Disclosure - REVENUE (Summary of Remaining Performance Obligation for Contracts Greater Than One Year) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureRevenueSummaryOfRemainingPerformanceObligationForContractsGreaterThanOneYearDetails</Role>
      <ShortName>REVENUE (Summary of Remaining Performance Obligation for Contracts Greater Than One Year) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureRevenueTables</ParentRole>
      <Position>39</Position>
    </Report>
    <Report instance="tko-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R40.htm</HtmlFileName>
      <LongName>995855 - Disclosure - SUPPLEMENTARY DATA (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureSupplementaryDataNarrativeDetails</Role>
      <ShortName>SUPPLEMENTARY DATA (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureSupplementaryDataTables</ParentRole>
      <Position>40</Position>
    </Report>
    <Report instance="tko-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R41.htm</HtmlFileName>
      <LongName>995865 - Disclosure - SUPPLEMENTARY DATA (Summary of Other Current Assets) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureSupplementaryDataSummaryOfOtherCurrentAssetsDetails</Role>
      <ShortName>SUPPLEMENTARY DATA (Summary of Other Current Assets) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureSupplementaryDataTables</ParentRole>
      <Position>41</Position>
    </Report>
    <Report instance="tko-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R42.htm</HtmlFileName>
      <LongName>995875 - Disclosure - SUPPLEMENTARY DATA (Summary of Accrued Liabilities) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureSupplementaryDataSummaryOfAccruedLiabilitiesDetails</Role>
      <ShortName>SUPPLEMENTARY DATA (Summary of Accrued Liabilities) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureSupplementaryDataTables</ParentRole>
      <Position>42</Position>
    </Report>
    <Report instance="tko-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R43.htm</HtmlFileName>
      <LongName>995885 - Disclosure - SUPPLEMENTARY DATA (Summary of Other Current Liabilities) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureSupplementaryDataSummaryOfOtherCurrentLiabilitiesDetails</Role>
      <ShortName>SUPPLEMENTARY DATA (Summary of Other Current Liabilities) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureSupplementaryDataTables</ParentRole>
      <Position>43</Position>
    </Report>
    <Report instance="tko-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R44.htm</HtmlFileName>
      <LongName>995895 - Disclosure - GOODWILL AND INTANGIBLE ASSETS (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureGoodwillAndIntangibleAssetsNarrativeDetails</Role>
      <ShortName>GOODWILL AND INTANGIBLE ASSETS (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureGoodwillAndIntangibleAssets</ParentRole>
      <Position>44</Position>
    </Report>
    <Report instance="tko-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R45.htm</HtmlFileName>
      <LongName>995915 - Disclosure - INVESTMENTS (Summary of Investments) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureInvestmentsSummaryOfInvestmentsDetails</Role>
      <ShortName>INVESTMENTS (Summary of Investments) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureInvestmentsTables</ParentRole>
      <Position>45</Position>
    </Report>
    <Report instance="tko-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R46.htm</HtmlFileName>
      <LongName>995925 - Disclosure - INVESTMENTS (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureInvestmentsNarrativeDetails</Role>
      <ShortName>INVESTMENTS (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureInvestmentsTables</ParentRole>
      <Position>46</Position>
    </Report>
    <Report instance="tko-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R47.htm</HtmlFileName>
      <LongName>995935 - Disclosure - DEBT (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureDebtNarrativeDetails</Role>
      <ShortName>DEBT (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureDebtTables</ParentRole>
      <Position>47</Position>
    </Report>
    <Report instance="tko-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R48.htm</HtmlFileName>
      <LongName>995945 - Disclosure - DEBT (Summary of Outstanding Debt) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureDebtSummaryOfOutstandingDebtDetails</Role>
      <ShortName>DEBT (Summary of Outstanding Debt) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureDebtTables</ParentRole>
      <Position>48</Position>
    </Report>
    <Report instance="tko-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R49.htm</HtmlFileName>
      <LongName>995975 - Disclosure - STOCKHOLDERS??? EQUITY (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureStockholdersEquityNarrativeDetails</Role>
      <ShortName>STOCKHOLDERS??? EQUITY (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureStockholdersEquity</ParentRole>
      <Position>49</Position>
    </Report>
    <Report instance="tko-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R50.htm</HtmlFileName>
      <LongName>995985 - Disclosure - NON-CONTROLLING INTERESTS (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureNonControllingInterestsNarrativeDetails</Role>
      <ShortName>NON-CONTROLLING INTERESTS (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureNonControllingInterests</ParentRole>
      <Position>50</Position>
    </Report>
    <Report instance="tko-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R51.htm</HtmlFileName>
      <LongName>995995 - Disclosure - EQUITY-BASED COMPENSATION (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureEquityBasedCompensationNarrativeDetails</Role>
      <ShortName>EQUITY-BASED COMPENSATION (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>51</Position>
    </Report>
    <Report instance="tko-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R52.htm</HtmlFileName>
      <LongName>996005 - Disclosure - EQUITY-BASED COMPENSATION (Schedule of Equity-Based Compensation Expense) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureEquityBasedCompensationScheduleOfEquityBasedCompensationExpenseDetails</Role>
      <ShortName>EQUITY-BASED COMPENSATION (Schedule of Equity-Based Compensation Expense) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>52</Position>
    </Report>
    <Report instance="tko-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R53.htm</HtmlFileName>
      <LongName>996045 - Disclosure - EARNINGS PER SHARE ("EPS") (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureEarningsPerShareEpsNarrativeDetails</Role>
      <ShortName>EARNINGS PER SHARE ("EPS") (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureEarningsPerShareEpsTables</ParentRole>
      <Position>53</Position>
    </Report>
    <Report instance="tko-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R54.htm</HtmlFileName>
      <LongName>996055 - Disclosure - EARNINGS PER SHARE ("EPS") (Schedule of Basic and Diluted Earnings Per Share and Weighted Average Shares Outstanding) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureEarningsPerShareEpsScheduleOfBasicAndDilutedEarningsPerShareAndWeightedAverageSharesOutstandingDetails</Role>
      <ShortName>EARNINGS PER SHARE ("EPS") (Schedule of Basic and Diluted Earnings Per Share and Weighted Average Shares Outstanding) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureEarningsPerShareEpsTables</ParentRole>
      <Position>54</Position>
    </Report>
    <Report instance="tko-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R55.htm</HtmlFileName>
      <LongName>996065 - Disclosure - INCOME TAXES (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureIncomeTaxesNarrativeDetails</Role>
      <ShortName>INCOME TAXES (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureIncomeTaxes</ParentRole>
      <Position>55</Position>
    </Report>
    <Report instance="tko-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R56.htm</HtmlFileName>
      <LongName>996105 - Disclosure - COMMITMENTS AND CONTINGENCIES (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureCommitmentsAndContingenciesNarrativeDetails</Role>
      <ShortName>COMMITMENTS AND CONTINGENCIES (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureCommitmentsAndContingencies</ParentRole>
      <Position>56</Position>
    </Report>
    <Report instance="tko-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R57.htm</HtmlFileName>
      <LongName>996115 - Disclosure - SEGMENT INFORMATION (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureSegmentInformationNarrativeDetails</Role>
      <ShortName>SEGMENT INFORMATION (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureSegmentInformationTables</ParentRole>
      <Position>57</Position>
    </Report>
    <Report instance="tko-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R58.htm</HtmlFileName>
      <LongName>996125 - Disclosure - SEGMENT INFORMATION (Schedule of Adjusted EBITDA) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureSegmentInformationScheduleOfAdjustedEbitdaDetails</Role>
      <ShortName>SEGMENT INFORMATION (Schedule of Adjusted EBITDA) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureSegmentInformationTables</ParentRole>
      <Position>58</Position>
    </Report>
    <Report instance="tko-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R59.htm</HtmlFileName>
      <LongName>996135 - Disclosure - SEGMENT INFORMATION (Schedule of Revenue) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureSegmentInformationScheduleOfRevenueDetails</Role>
      <ShortName>SEGMENT INFORMATION (Schedule of Revenue) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureSegmentInformationTables</ParentRole>
      <Position>59</Position>
    </Report>
    <Report instance="tko-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R60.htm</HtmlFileName>
      <LongName>996145 - Disclosure - SEGMENT INFORMATION (Schedule of Reconciliation of Segment Profitability) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureSegmentInformationScheduleOfReconciliationOfSegmentProfitabilityDetails</Role>
      <ShortName>SEGMENT INFORMATION (Schedule of Reconciliation of Segment Profitability) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureSegmentInformationTables</ParentRole>
      <Position>60</Position>
    </Report>
    <Report instance="tko-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R61.htm</HtmlFileName>
      <LongName>996155 - Disclosure - SEGMENT INFORMATION - Schedule of Reconciliation of Segment Profitability (Parenthetical) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureSegmentInformationScheduleOfReconciliationOfSegmentProfitabilityParentheticalDetails</Role>
      <ShortName>SEGMENT INFORMATION - Schedule of Reconciliation of Segment Profitability (Parenthetical) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>61</Position>
    </Report>
    <Report instance="tko-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R62.htm</HtmlFileName>
      <LongName>996175 - Disclosure - RELATED PARTY TRANSACTIONS (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureRelatedPartyTransactionsNarrativeDetails</Role>
      <ShortName>RELATED PARTY TRANSACTIONS (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureRelatedPartyTransactionsTables</ParentRole>
      <Position>62</Position>
    </Report>
    <Report instance="tko-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R63.htm</HtmlFileName>
      <LongName>996185 - Disclosure - RELATED PARTY TRANSACTIONS (Summary of Provided Services) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureRelatedPartyTransactionsSummaryOfProvidedServicesDetails</Role>
      <ShortName>RELATED PARTY TRANSACTIONS (Summary of Provided Services) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureRelatedPartyTransactionsTables</ParentRole>
      <Position>63</Position>
    </Report>
    <Report instance="tko-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R64.htm</HtmlFileName>
      <LongName>996195 - Disclosure - RELATED PARTY TRANSACTIONS (Outstanding Amounts due to and from Related Party) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureRelatedPartyTransactionsOutstandingAmountsDueToAndFromRelatedPartyDetails</Role>
      <ShortName>RELATED PARTY TRANSACTIONS (Outstanding Amounts due to and from Related Party) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureRelatedPartyTransactionsTables</ParentRole>
      <Position>64</Position>
    </Report>
    <Report instance="tko-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R65.htm</HtmlFileName>
      <LongName>996205 - Disclosure - RELATED PARTY TRANSACTIONS (Components of Net Transfers to Parent in Nonredeemable Non-Controlling Interests) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureRelatedPartyTransactionsComponentsOfNetTransfersToParentInNonredeemableNoncontrollingInterestsDetails</Role>
      <ShortName>RELATED PARTY TRANSACTIONS (Components of Net Transfers to Parent in Nonredeemable Non-Controlling Interests) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.tkogroupholdingsinc.com/20260331/taxonomy/role/DisclosureRelatedPartyTransactionsTables</ParentRole>
      <Position>65</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="tko-20260331.htm">tko-20260331.htm</File>
    <File>tko-20260331.xsd</File>
  </InputFiles>
  <SupplementalFiles/>
  <BaseTaxonomies>
    <BaseTaxonomy items="4">http://fasb.org/srt/2025</BaseTaxonomy>
    <BaseTaxonomy items="620">http://fasb.org/us-gaap/2025</BaseTaxonomy>
    <BaseTaxonomy items="31">http://xbrl.sec.gov/dei/2025</BaseTaxonomy>
    <BaseTaxonomy items="13">http://xbrl.sec.gov/ecd/2025</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>false</HasPresentationLinkbase>
  <HasCalculationLinkbase>false</HasCalculationLinkbase>
</FilingSummary>
