<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.21.2</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>979</ContextCount>
  <ElementCount>502</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>false</FootnotesReported>
  <SegmentCount>136</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>11</UnitCount>
  <MyReports>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>0001001 - Document - Cover Page</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.marriottvacationclub.com/role/CoverPage</Role>
      <ShortName>Cover Page</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>1001002 - Statement - INTERIM CONSOLIDATED STATEMENTS OF INCOME</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.marriottvacationclub.com/role/INTERIMCONSOLIDATEDSTATEMENTSOFINCOME</Role>
      <ShortName>INTERIM CONSOLIDATED STATEMENTS OF INCOME</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>2</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>1002003 - Statement - INTERIM CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.marriottvacationclub.com/role/INTERIMCONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOME</Role>
      <ShortName>INTERIM CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>3</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>1003004 - Statement - INTERIM CONSOLIDATED BALANCE SHEETS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.marriottvacationclub.com/role/INTERIMCONSOLIDATEDBALANCESHEETS</Role>
      <ShortName>INTERIM CONSOLIDATED BALANCE SHEETS</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>4</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>1004005 - Statement - INTERIM CONSOLIDATED BALANCE SHEETS (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.marriottvacationclub.com/role/INTERIMCONSOLIDATEDBALANCESHEETSParenthetical</Role>
      <ShortName>INTERIM CONSOLIDATED BALANCE SHEETS (Parenthetical)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>5</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>1005006 - Statement - INTERIM CONSOLIDATED STATEMENTS OF CASH FLOWS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.marriottvacationclub.com/role/INTERIMCONSOLIDATEDSTATEMENTSOFCASHFLOWS</Role>
      <ShortName>INTERIM CONSOLIDATED STATEMENTS OF CASH FLOWS</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>6</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>1006007 - Statement - INTERIM CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.marriottvacationclub.com/role/INTERIMCONSOLIDATEDSTATEMENTSOFSHAREHOLDERSEQUITY</Role>
      <ShortName>INTERIM CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>7</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>2101101 - Disclosure - BASIS OF PRESENTATION</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.marriottvacationclub.com/role/BASISOFPRESENTATION</Role>
      <ShortName>BASIS OF PRESENTATION</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>8</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>2103102 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES AND RECENT ACCOUNTING STANDARDS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.marriottvacationclub.com/role/SIGNIFICANTACCOUNTINGPOLICIESANDRECENTACCOUNTINGSTANDARDS</Role>
      <ShortName>SIGNIFICANT ACCOUNTING POLICIES AND RECENT ACCOUNTING STANDARDS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>9</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>2105103 - Disclosure - ACQUISITIONS AND DISPOSITIONS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.marriottvacationclub.com/role/ACQUISITIONSANDDISPOSITIONS</Role>
      <ShortName>ACQUISITIONS AND DISPOSITIONS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>10</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>2111104 - Disclosure - REVENUE AND RECEIVABLES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.marriottvacationclub.com/role/REVENUEANDRECEIVABLES</Role>
      <ShortName>REVENUE AND RECEIVABLES</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>11</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>2119105 - Disclosure - INCOME TAXES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.marriottvacationclub.com/role/INCOMETAXES</Role>
      <ShortName>INCOME TAXES</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>12</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>2123106 - Disclosure - VACATION OWNERSHIP NOTES RECEIVABLE</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.marriottvacationclub.com/role/VACATIONOWNERSHIPNOTESRECEIVABLE</Role>
      <ShortName>VACATION OWNERSHIP NOTES RECEIVABLE</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>13</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>2135107 - Disclosure - FINANCIAL INSTRUMENTS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.marriottvacationclub.com/role/FINANCIALINSTRUMENTS</Role>
      <ShortName>FINANCIAL INSTRUMENTS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>14</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>2140108 - Disclosure - EARNINGS PER SHARE</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.marriottvacationclub.com/role/EARNINGSPERSHARE</Role>
      <ShortName>EARNINGS PER SHARE</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>15</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>2144109 - Disclosure - INVENTORY</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.marriottvacationclub.com/role/INVENTORY</Role>
      <ShortName>INVENTORY</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>16</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>2148110 - Disclosure - GOODWILL AND INTANGIBLES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.marriottvacationclub.com/role/GOODWILLANDINTANGIBLES</Role>
      <ShortName>GOODWILL AND INTANGIBLES</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>17</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>2153111 - Disclosure - CONTINGENCIES AND COMMITMENTS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.marriottvacationclub.com/role/CONTINGENCIESANDCOMMITMENTS</Role>
      <ShortName>CONTINGENCIES AND COMMITMENTS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>18</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>2155112 - Disclosure - SECURITIZED DEBT</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.marriottvacationclub.com/role/SECURITIZEDDEBT</Role>
      <ShortName>SECURITIZED DEBT</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>19</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>2160113 - Disclosure - DEBT</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.marriottvacationclub.com/role/DEBT</Role>
      <ShortName>DEBT</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>20</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>2168114 - Disclosure - SHAREHOLDERS' EQUITY</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.marriottvacationclub.com/role/SHAREHOLDERSEQUITY</Role>
      <ShortName>SHAREHOLDERS' EQUITY</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>21</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>2170115 - Disclosure - SHARE-BASED COMPENSATION</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.marriottvacationclub.com/role/SHAREBASEDCOMPENSATION</Role>
      <ShortName>SHARE-BASED COMPENSATION</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>22</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>2176116 - Disclosure - VARIABLE INTEREST ENTITIES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.marriottvacationclub.com/role/VARIABLEINTERESTENTITIES</Role>
      <ShortName>VARIABLE INTEREST ENTITIES</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>23</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>2182117 - Disclosure - BUSINESS SEGMENTS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.marriottvacationclub.com/role/BUSINESSSEGMENTS</Role>
      <ShortName>BUSINESS SEGMENTS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>24</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>2204201 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES AND RECENT ACCOUNTING STANDARDS (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.marriottvacationclub.com/role/SIGNIFICANTACCOUNTINGPOLICIESANDRECENTACCOUNTINGSTANDARDSPolicies</Role>
      <ShortName>SIGNIFICANT ACCOUNTING POLICIES AND RECENT ACCOUNTING STANDARDS (Policies)</ShortName>
      <MenuCategory>Policies</MenuCategory>
      <Position>25</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>2306301 - Disclosure - ACQUISITIONS AND DISPOSITIONS (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.marriottvacationclub.com/role/ACQUISITIONSANDDISPOSITIONSTables</Role>
      <ShortName>ACQUISITIONS AND DISPOSITIONS (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.marriottvacationclub.com/role/ACQUISITIONSANDDISPOSITIONS</ParentRole>
      <Position>26</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.htm</HtmlFileName>
      <LongName>2312302 - Disclosure - REVENUE AND RECEIVABLES (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.marriottvacationclub.com/role/REVENUEANDRECEIVABLESTables</Role>
      <ShortName>REVENUE AND RECEIVABLES (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.marriottvacationclub.com/role/REVENUEANDRECEIVABLES</ParentRole>
      <Position>27</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>2320303 - Disclosure - INCOME TAXES (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.marriottvacationclub.com/role/INCOMETAXESTables</Role>
      <ShortName>INCOME TAXES (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.marriottvacationclub.com/role/INCOMETAXES</ParentRole>
      <Position>28</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>2324304 - Disclosure - VACATION OWNERSHIP NOTES RECEIVABLE (Tables)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.marriottvacationclub.com/role/VACATIONOWNERSHIPNOTESRECEIVABLETables</Role>
      <ShortName>VACATION OWNERSHIP NOTES RECEIVABLE (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.marriottvacationclub.com/role/VACATIONOWNERSHIPNOTESRECEIVABLE</ParentRole>
      <Position>29</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>2336305 - Disclosure - FINANCIAL INSTRUMENTS (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.marriottvacationclub.com/role/FINANCIALINSTRUMENTSTables</Role>
      <ShortName>FINANCIAL INSTRUMENTS (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.marriottvacationclub.com/role/FINANCIALINSTRUMENTS</ParentRole>
      <Position>30</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>2341306 - Disclosure - EARNINGS PER SHARE (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.marriottvacationclub.com/role/EARNINGSPERSHARETables</Role>
      <ShortName>EARNINGS PER SHARE (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.marriottvacationclub.com/role/EARNINGSPERSHARE</ParentRole>
      <Position>31</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R32.htm</HtmlFileName>
      <LongName>2345307 - Disclosure - INVENTORY (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.marriottvacationclub.com/role/INVENTORYTables</Role>
      <ShortName>INVENTORY (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.marriottvacationclub.com/role/INVENTORY</ParentRole>
      <Position>32</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>2349308 - Disclosure - GOODWILL AND INTANGIBLES (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.marriottvacationclub.com/role/GOODWILLANDINTANGIBLESTables</Role>
      <ShortName>GOODWILL AND INTANGIBLES (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.marriottvacationclub.com/role/GOODWILLANDINTANGIBLES</ParentRole>
      <Position>33</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R34.htm</HtmlFileName>
      <LongName>2356309 - Disclosure - SECURITIZED DEBT (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.marriottvacationclub.com/role/SECURITIZEDDEBTTables</Role>
      <ShortName>SECURITIZED DEBT (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.marriottvacationclub.com/role/SECURITIZEDDEBT</ParentRole>
      <Position>34</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R35.htm</HtmlFileName>
      <LongName>2361310 - Disclosure - DEBT (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.marriottvacationclub.com/role/DEBTTables</Role>
      <ShortName>DEBT (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.marriottvacationclub.com/role/DEBT</ParentRole>
      <Position>35</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R36.htm</HtmlFileName>
      <LongName>2371311 - Disclosure - SHARE-BASED COMPENSATION (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.marriottvacationclub.com/role/SHAREBASEDCOMPENSATIONTables</Role>
      <ShortName>SHARE-BASED COMPENSATION (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.marriottvacationclub.com/role/SHAREBASEDCOMPENSATION</ParentRole>
      <Position>36</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R37.htm</HtmlFileName>
      <LongName>2377312 - Disclosure - VARIABLE INTEREST ENTITIES (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.marriottvacationclub.com/role/VARIABLEINTERESTENTITIESTables</Role>
      <ShortName>VARIABLE INTEREST ENTITIES (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.marriottvacationclub.com/role/VARIABLEINTERESTENTITIES</ParentRole>
      <Position>37</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R38.htm</HtmlFileName>
      <LongName>2383313 - Disclosure - BUSINESS SEGMENTS (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.marriottvacationclub.com/role/BUSINESSSEGMENTSTables</Role>
      <ShortName>BUSINESS SEGMENTS (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.marriottvacationclub.com/role/BUSINESSSEGMENTS</ParentRole>
      <Position>38</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R39.htm</HtmlFileName>
      <LongName>2402401 - Disclosure - BASIS OF PRESENTATION (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.marriottvacationclub.com/role/BASISOFPRESENTATIONDetails</Role>
      <ShortName>BASIS OF PRESENTATION (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.marriottvacationclub.com/role/BASISOFPRESENTATION</ParentRole>
      <Position>39</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R40.htm</HtmlFileName>
      <LongName>2407402 - Disclosure - ACQUISITIONS AND DISPOSITIONS (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.marriottvacationclub.com/role/ACQUISITIONSANDDISPOSITIONSDetails</Role>
      <ShortName>ACQUISITIONS AND DISPOSITIONS (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.marriottvacationclub.com/role/ACQUISITIONSANDDISPOSITIONSTables</ParentRole>
      <Position>40</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R41.htm</HtmlFileName>
      <LongName>2408403 - Disclosure - ACQUISITIONS AND DISPOSITIONS - Consideration Transferred (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.marriottvacationclub.com/role/ACQUISITIONSANDDISPOSITIONSConsiderationTransferredDetails</Role>
      <ShortName>ACQUISITIONS AND DISPOSITIONS - Consideration Transferred (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>41</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R42.htm</HtmlFileName>
      <LongName>2409404 - Disclosure - ACQUISITIONS AND DISPOSITIONS - Preliminary Fair Values of Assets Acquired and Liabilities Assumed (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.marriottvacationclub.com/role/ACQUISITIONSANDDISPOSITIONSPreliminaryFairValuesofAssetsAcquiredandLiabilitiesAssumedDetails</Role>
      <ShortName>ACQUISITIONS AND DISPOSITIONS - Preliminary Fair Values of Assets Acquired and Liabilities Assumed (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>42</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R43.htm</HtmlFileName>
      <LongName>2410405 - Disclosure - ACQUISITIONS AND DISPOSITIONS - Pro Forma Results of Operations (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.marriottvacationclub.com/role/ACQUISITIONSANDDISPOSITIONSProFormaResultsofOperationsDetails</Role>
      <ShortName>ACQUISITIONS AND DISPOSITIONS - Pro Forma Results of Operations (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>43</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R44.htm</HtmlFileName>
      <LongName>2413406 - Disclosure - REVENUE AND RECEIVABLES - Sources of Revenue by Segment (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.marriottvacationclub.com/role/REVENUEANDRECEIVABLESSourcesofRevenuebySegmentDetails</Role>
      <ShortName>REVENUE AND RECEIVABLES - Sources of Revenue by Segment (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>44</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R45.htm</HtmlFileName>
      <LongName>2414407 - Disclosure - REVENUE AND RECEIVABLES - Timing of Revenue from Contracts with Customers (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.marriottvacationclub.com/role/REVENUEANDRECEIVABLESTimingofRevenuefromContractswithCustomersDetails</Role>
      <ShortName>REVENUE AND RECEIVABLES - Timing of Revenue from Contracts with Customers (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>45</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R46.htm</HtmlFileName>
      <LongName>2415408 - Disclosure - REVENUE AND RECEIVABLES - Additional Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.marriottvacationclub.com/role/REVENUEANDRECEIVABLESAdditionalInformationDetails</Role>
      <ShortName>REVENUE AND RECEIVABLES - Additional Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>46</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R47.htm</HtmlFileName>
      <LongName>2416409 - Disclosure - REVENUE AND RECEIVABLES - Contracts with Customers, Assets and Liabilities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.marriottvacationclub.com/role/REVENUEANDRECEIVABLESContractswithCustomersAssetsandLiabilitiesDetails</Role>
      <ShortName>REVENUE AND RECEIVABLES - Contracts with Customers, Assets and Liabilities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>47</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R48.htm</HtmlFileName>
      <LongName>2417410 - Disclosure - REVENUE AND RECEIVABLES - Remaining Performance Obligation Additional Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.marriottvacationclub.com/role/REVENUEANDRECEIVABLESRemainingPerformanceObligationAdditionalInformationDetails</Role>
      <ShortName>REVENUE AND RECEIVABLES - Remaining Performance Obligation Additional Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>48</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R49.htm</HtmlFileName>
      <LongName>2418411 - Disclosure - REVENUE AND RECEIVABLES - Accounts Receivable (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.marriottvacationclub.com/role/REVENUEANDRECEIVABLESAccountsReceivableDetails</Role>
      <ShortName>REVENUE AND RECEIVABLES - Accounts Receivable (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>49</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R50.htm</HtmlFileName>
      <LongName>2421412 - Disclosure - INCOME TAXES - Additional Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.marriottvacationclub.com/role/INCOMETAXESAdditionalInformationDetails</Role>
      <ShortName>INCOME TAXES - Additional Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>50</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R51.htm</HtmlFileName>
      <LongName>2422413 - Disclosure - INCOME TAXES - Unrecognized Tax Benefits (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.marriottvacationclub.com/role/INCOMETAXESUnrecognizedTaxBenefitsDetails</Role>
      <ShortName>INCOME TAXES - Unrecognized Tax Benefits (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>51</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R52.htm</HtmlFileName>
      <LongName>2425414 - Disclosure - VACATION OWNERSHIP NOTES RECEIVABLE - Composition of Vacation Ownership Notes Receivable Balances, Net of Reserves (Details)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.marriottvacationclub.com/role/VACATIONOWNERSHIPNOTESRECEIVABLECompositionofVacationOwnershipNotesReceivableBalancesNetofReservesDetails</Role>
      <ShortName>VACATION OWNERSHIP NOTES RECEIVABLE - Composition of Vacation Ownership Notes Receivable Balances, Net of Reserves (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>52</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R53.htm</HtmlFileName>
      <LongName>2426415 - Disclosure - VACATION OWNERSHIP NOTES RECEIVABLE - Interest Income Associated With Vacation Ownership Notes Receivable (Details)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.marriottvacationclub.com/role/VACATIONOWNERSHIPNOTESRECEIVABLEInterestIncomeAssociatedWithVacationOwnershipNotesReceivableDetails</Role>
      <ShortName>VACATION OWNERSHIP NOTES RECEIVABLE - Interest Income Associated With Vacation Ownership Notes Receivable (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>53</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R54.htm</HtmlFileName>
      <LongName>2427416 - Disclosure - VACATION OWNERSHIP NOTES RECEIVABLE - Additional Information (Details)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.marriottvacationclub.com/role/VACATIONOWNERSHIPNOTESRECEIVABLEAdditionalInformationDetails</Role>
      <ShortName>VACATION OWNERSHIP NOTES RECEIVABLE - Additional Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>54</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R55.htm</HtmlFileName>
      <LongName>2428417 - Disclosure - VACATION OWNERSHIP NOTES RECEIVABLE - Future Principal Payments, Net of Reserves, and Interest Rates of Vacation Ownership Notes Receivable (Details)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.marriottvacationclub.com/role/VACATIONOWNERSHIPNOTESRECEIVABLEFuturePrincipalPaymentsNetofReservesandInterestRatesofVacationOwnershipNotesReceivableDetails</Role>
      <ShortName>VACATION OWNERSHIP NOTES RECEIVABLE - Future Principal Payments, Net of Reserves, and Interest Rates of Vacation Ownership Notes Receivable (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>55</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R56.htm</HtmlFileName>
      <LongName>2429418 - Disclosure - VACATION OWNERSHIP NOTES RECEIVABLE - Notes Receivable Reserves (Details)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.marriottvacationclub.com/role/VACATIONOWNERSHIPNOTESRECEIVABLENotesReceivableReservesDetails</Role>
      <ShortName>VACATION OWNERSHIP NOTES RECEIVABLE - Notes Receivable Reserves (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>56</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R57.htm</HtmlFileName>
      <LongName>2430419 - Disclosure - VACATION OWNERSHIP NOTES RECEIVABLE - Recorded Investment in Non-accrual Notes Receivable that are Ninety Days or More Past Due (Details)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.marriottvacationclub.com/role/VACATIONOWNERSHIPNOTESRECEIVABLERecordedInvestmentinNonaccrualNotesReceivablethatareNinetyDaysorMorePastDueDetails</Role>
      <ShortName>VACATION OWNERSHIP NOTES RECEIVABLE - Recorded Investment in Non-accrual Notes Receivable that are Ninety Days or More Past Due (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>57</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R58.htm</HtmlFileName>
      <LongName>2431420 - Disclosure - VACATION OWNERSHIP NOTES RECEIVABLE - Aging of Recorded Investment in Principal, Vacation Ownership Notes Receivable (Details)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.marriottvacationclub.com/role/VACATIONOWNERSHIPNOTESRECEIVABLEAgingofRecordedInvestmentinPrincipalVacationOwnershipNotesReceivableDetails</Role>
      <ShortName>VACATION OWNERSHIP NOTES RECEIVABLE - Aging of Recorded Investment in Principal, Vacation Ownership Notes Receivable (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>58</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R59.htm</HtmlFileName>
      <LongName>2432421 - Disclosure - VACATION OWNERSHIP NOTES RECEIVABLE - Financing Receivable Year of Originated (Details)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.marriottvacationclub.com/role/VACATIONOWNERSHIPNOTESRECEIVABLEFinancingReceivableYearofOriginatedDetails</Role>
      <ShortName>VACATION OWNERSHIP NOTES RECEIVABLE - Financing Receivable Year of Originated (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>59</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R60.htm</HtmlFileName>
      <LongName>2433422 - Disclosure - VACATION OWNERSHIP NOTES RECEIVABLE - Legacy-ILG Vacation Ownership Notes Receivable, Brand and FICO score (Details)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.marriottvacationclub.com/role/VACATIONOWNERSHIPNOTESRECEIVABLELegacyILGVacationOwnershipNotesReceivableBrandandFICOscoreDetails</Role>
      <ShortName>VACATION OWNERSHIP NOTES RECEIVABLE - Legacy-ILG Vacation Ownership Notes Receivable, Brand and FICO score (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>60</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R61.htm</HtmlFileName>
      <LongName>2434423 - Disclosure - VACATION OWNERSHIP NOTES RECEIVABLE - Legacy-ILG Vacation Ownership Notes Receivable, Brand and FICO score prior year (Details)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.marriottvacationclub.com/role/VACATIONOWNERSHIPNOTESRECEIVABLELegacyILGVacationOwnershipNotesReceivableBrandandFICOscoreprioryearDetails</Role>
      <ShortName>VACATION OWNERSHIP NOTES RECEIVABLE - Legacy-ILG Vacation Ownership Notes Receivable, Brand and FICO score prior year (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>61</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R62.htm</HtmlFileName>
      <LongName>2437424 - Disclosure - FINANCIAL INSTRUMENTS - Carrying Values and Estimated Fair Values (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.marriottvacationclub.com/role/FINANCIALINSTRUMENTSCarryingValuesandEstimatedFairValuesDetails</Role>
      <ShortName>FINANCIAL INSTRUMENTS - Carrying Values and Estimated Fair Values (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>62</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R63.htm</HtmlFileName>
      <LongName>2438425 - Disclosure - FINANCIAL INSTRUMENTS - Carrying Values and Estimated Fair Values - Non-securitized Notes Receivable (Details)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.marriottvacationclub.com/role/FINANCIALINSTRUMENTSCarryingValuesandEstimatedFairValuesNonsecuritizedNotesReceivableDetails</Role>
      <ShortName>FINANCIAL INSTRUMENTS - Carrying Values and Estimated Fair Values - Non-securitized Notes Receivable (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>63</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R64.htm</HtmlFileName>
      <LongName>2439426 - Disclosure - FINANCIAL INSTRUMENTS - Additional Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.marriottvacationclub.com/role/FINANCIALINSTRUMENTSAdditionalInformationDetails</Role>
      <ShortName>FINANCIAL INSTRUMENTS - Additional Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>64</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R65.htm</HtmlFileName>
      <LongName>2442427 - Disclosure - EARNINGS PER SHARE - Reconciliation of Earnings Per Share (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.marriottvacationclub.com/role/EARNINGSPERSHAREReconciliationofEarningsPerShareDetails</Role>
      <ShortName>EARNINGS PER SHARE - Reconciliation of Earnings Per Share (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>65</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R66.htm</HtmlFileName>
      <LongName>2443428 - Disclosure - EARNINGS PER SHARE - Antidilutive Securities Excluded From Computation of Earnings Per Share (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.marriottvacationclub.com/role/EARNINGSPERSHAREAntidilutiveSecuritiesExcludedFromComputationofEarningsPerShareDetails</Role>
      <ShortName>EARNINGS PER SHARE - Antidilutive Securities Excluded From Computation of Earnings Per Share (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>66</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R67.htm</HtmlFileName>
      <LongName>2446429 - Disclosure - INVENTORY - Composition of Inventory (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.marriottvacationclub.com/role/INVENTORYCompositionofInventoryDetails</Role>
      <ShortName>INVENTORY - Composition of Inventory (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>67</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R68.htm</HtmlFileName>
      <LongName>2447430 - Disclosure - INVENTORY - Additional Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.marriottvacationclub.com/role/INVENTORYAdditionalInformationDetails</Role>
      <ShortName>INVENTORY - Additional Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>68</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R69.htm</HtmlFileName>
      <LongName>2450431 - Disclosure - GOODWILL AND INTANGIBLES - Goodwill (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.marriottvacationclub.com/role/GOODWILLANDINTANGIBLESGoodwillDetails</Role>
      <ShortName>GOODWILL AND INTANGIBLES - Goodwill (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>69</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R70.htm</HtmlFileName>
      <LongName>2451432 - Disclosure - GOODWILL AND INTANGIBLES - Additional Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.marriottvacationclub.com/role/GOODWILLANDINTANGIBLESAdditionalInformationDetails</Role>
      <ShortName>GOODWILL AND INTANGIBLES - Additional Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>70</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R71.htm</HtmlFileName>
      <LongName>2452433 - Disclosure - GOODWILL AND INTANGIBLES - Intangibles Assets (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.marriottvacationclub.com/role/GOODWILLANDINTANGIBLESIntangiblesAssetsDetails</Role>
      <ShortName>GOODWILL AND INTANGIBLES - Intangibles Assets (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>71</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R72.htm</HtmlFileName>
      <LongName>2454434 - Disclosure - CONTINGENCIES AND COMMITMENTS (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.marriottvacationclub.com/role/CONTINGENCIESANDCOMMITMENTSDetails</Role>
      <ShortName>CONTINGENCIES AND COMMITMENTS (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.marriottvacationclub.com/role/CONTINGENCIESANDCOMMITMENTS</ParentRole>
      <Position>72</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R73.htm</HtmlFileName>
      <LongName>2457435 - Disclosure - SECURITIZED DEBT - Vacation Ownership Notes Receivable Securitizations (Details)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.marriottvacationclub.com/role/SECURITIZEDDEBTVacationOwnershipNotesReceivableSecuritizationsDetails</Role>
      <ShortName>SECURITIZED DEBT - Vacation Ownership Notes Receivable Securitizations (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>73</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R74.htm</HtmlFileName>
      <LongName>2458436 - Disclosure - SECURITIZED DEBT - Future Payments Vacation Ownership Notes Receivable Securitizations (Details)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.marriottvacationclub.com/role/SECURITIZEDDEBTFuturePaymentsVacationOwnershipNotesReceivableSecuritizationsDetails</Role>
      <ShortName>SECURITIZED DEBT - Future Payments Vacation Ownership Notes Receivable Securitizations (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>74</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R75.htm</HtmlFileName>
      <LongName>2459437 - Disclosure - SECURITIZED DEBT - Additional Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.marriottvacationclub.com/role/SECURITIZEDDEBTAdditionalInformationDetails</Role>
      <ShortName>SECURITIZED DEBT - Additional Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>75</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R76.htm</HtmlFileName>
      <LongName>2462438 - Disclosure - DEBT - Debt Balances, Net of Unamortized Debt Issuance Costs (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.marriottvacationclub.com/role/DEBTDebtBalancesNetofUnamortizedDebtIssuanceCostsDetails</Role>
      <ShortName>DEBT - Debt Balances, Net of Unamortized Debt Issuance Costs (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>76</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R77.htm</HtmlFileName>
      <LongName>2463439 - Disclosure - DEBT - Scheduled Future Principal Payments for Debt (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.marriottvacationclub.com/role/DEBTScheduledFuturePrincipalPaymentsforDebtDetails</Role>
      <ShortName>DEBT - Scheduled Future Principal Payments for Debt (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>77</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R78.htm</HtmlFileName>
      <LongName>2464440 - Disclosure - DEBT - Additional Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.marriottvacationclub.com/role/DEBTAdditionalInformationDetails</Role>
      <ShortName>DEBT - Additional Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>78</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R79.htm</HtmlFileName>
      <LongName>2465441 - Disclosure - DEBT - Accumulated Other Comprehensive Loss (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.marriottvacationclub.com/role/DEBTAccumulatedOtherComprehensiveLossDetails</Role>
      <ShortName>DEBT - Accumulated Other Comprehensive Loss (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>79</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R80.htm</HtmlFileName>
      <LongName>2466442 - Disclosure - DEBT - Net Carrying Value Of The Convertible Notes (Details)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.marriottvacationclub.com/role/DEBTNetCarryingValueOfTheConvertibleNotesDetails</Role>
      <ShortName>DEBT - Net Carrying Value Of The Convertible Notes (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>80</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R81.htm</HtmlFileName>
      <LongName>2467443 - Disclosure - DEBT - Interest Expense Related To The Convertible Notes (Details)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.marriottvacationclub.com/role/DEBTInterestExpenseRelatedToTheConvertibleNotesDetails</Role>
      <ShortName>DEBT - Interest Expense Related To The Convertible Notes (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>81</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R82.htm</HtmlFileName>
      <LongName>2469444 - Disclosure - SHAREHOLDERS' EQUITY - Additional Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.marriottvacationclub.com/role/SHAREHOLDERSEQUITYAdditionalInformationDetails</Role>
      <ShortName>SHAREHOLDERS' EQUITY - Additional Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>82</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R83.htm</HtmlFileName>
      <LongName>2472445 - Disclosure - SHARE-BASED COMPENSATION - Additional Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.marriottvacationclub.com/role/SHAREBASEDCOMPENSATIONAdditionalInformationDetails</Role>
      <ShortName>SHARE-BASED COMPENSATION - Additional Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>83</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R84.htm</HtmlFileName>
      <LongName>2473446 - Disclosure - SHARE-BASED COMPENSATION - Share-based Compensation Expense (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.marriottvacationclub.com/role/SHAREBASEDCOMPENSATIONSharebasedCompensationExpenseDetails</Role>
      <ShortName>SHARE-BASED COMPENSATION - Share-based Compensation Expense (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>84</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R85.htm</HtmlFileName>
      <LongName>2474447 - Disclosure - SHARE-BASED COMPENSATION - Deferred Compensation Costs (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.marriottvacationclub.com/role/SHAREBASEDCOMPENSATIONDeferredCompensationCostsDetails</Role>
      <ShortName>SHARE-BASED COMPENSATION - Deferred Compensation Costs (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>85</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R86.htm</HtmlFileName>
      <LongName>2475448 - Disclosure - SHARE-BASED COMPENSATION - Assumptions Used to Estimate Fair Value of Grants (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.marriottvacationclub.com/role/SHAREBASEDCOMPENSATIONAssumptionsUsedtoEstimateFairValueofGrantsDetails</Role>
      <ShortName>SHARE-BASED COMPENSATION - Assumptions Used to Estimate Fair Value of Grants (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>86</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R87.htm</HtmlFileName>
      <LongName>2478449 - Disclosure - VARIABLE INTEREST ENTITIES - Classifications of Consolidated VIE Assets and Liabilities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.marriottvacationclub.com/role/VARIABLEINTERESTENTITIESClassificationsofConsolidatedVIEAssetsandLiabilitiesDetails</Role>
      <ShortName>VARIABLE INTEREST ENTITIES - Classifications of Consolidated VIE Assets and Liabilities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>87</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R88.htm</HtmlFileName>
      <LongName>2479450 - Disclosure - VARIABLE INTEREST ENTITIES - Interest Income and Expense Recognized as a Result of Our Involvement with Variable Interest Entities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.marriottvacationclub.com/role/VARIABLEINTERESTENTITIESInterestIncomeandExpenseRecognizedasaResultofOurInvolvementwithVariableInterestEntitiesDetails</Role>
      <ShortName>VARIABLE INTEREST ENTITIES - Interest Income and Expense Recognized as a Result of Our Involvement with Variable Interest Entities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>88</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R89.htm</HtmlFileName>
      <LongName>2480451 - Disclosure - VARIABLE INTEREST ENTITIES - Cash Flows Between Company and Variable Interest Entities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.marriottvacationclub.com/role/VARIABLEINTERESTENTITIESCashFlowsBetweenCompanyandVariableInterestEntitiesDetails</Role>
      <ShortName>VARIABLE INTEREST ENTITIES - Cash Flows Between Company and Variable Interest Entities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>89</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R90.htm</HtmlFileName>
      <LongName>2481452 - Disclosure - VARIABLE INTEREST ENTITIES - Additional Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.marriottvacationclub.com/role/VARIABLEINTERESTENTITIESAdditionalInformationDetails</Role>
      <ShortName>VARIABLE INTEREST ENTITIES - Additional Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>90</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R91.htm</HtmlFileName>
      <LongName>2484453 - Disclosure - BUSINESS SEGMENTS - Additional Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.marriottvacationclub.com/role/BUSINESSSEGMENTSAdditionalInformationDetails</Role>
      <ShortName>BUSINESS SEGMENTS - Additional Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>91</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R92.htm</HtmlFileName>
      <LongName>2485454 - Disclosure - BUSINESS SEGMENTS - Revenues (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.marriottvacationclub.com/role/BUSINESSSEGMENTSRevenuesDetails</Role>
      <ShortName>BUSINESS SEGMENTS - Revenues (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>92</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R93.htm</HtmlFileName>
      <LongName>2486455 - Disclosure - BUSINESS SEGMENTS - Reconciliation of Adjusted EBITDA to Net Loss (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.marriottvacationclub.com/role/BUSINESSSEGMENTSReconciliationofAdjustedEBITDAtoNetLossDetails</Role>
      <ShortName>BUSINESS SEGMENTS - Reconciliation of Adjusted EBITDA to Net Loss (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>93</Position>
    </Report>
    <Report instance="vac-20210630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R94.htm</HtmlFileName>
      <LongName>2487456 - Disclosure - BUSINESS SEGMENTS - Assets (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.marriottvacationclub.com/role/BUSINESSSEGMENTSAssetsDetails</Role>
      <ShortName>BUSINESS SEGMENTS - Assets (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>94</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" original="vac-20210630.htm">vac-20210630.htm</File>
    <File>a2021q2ex311xceocertificat.htm</File>
    <File>a2021q2ex312xcfocertificat.htm</File>
    <File>a2021q2ex321xceo404certifi.htm</File>
    <File>a2021q2ex322xcfo404certifi.htm</File>
    <File>vac-20210630.xsd</File>
    <File>vac-20210630_cal.xml</File>
    <File>vac-20210630_def.xml</File>
    <File>vac-20210630_lab.xml</File>
    <File>vac-20210630_pre.xml</File>
  </InputFiles>
  <SupplementalFiles/>
  <BaseTaxonomies>
    <BaseTaxonomy>http://xbrl.sec.gov/country/2021</BaseTaxonomy>
    <BaseTaxonomy>http://xbrl.sec.gov/dei/2021</BaseTaxonomy>
    <BaseTaxonomy>http://fasb.org/srt/2021-01-31</BaseTaxonomy>
    <BaseTaxonomy>http://fasb.org/us-gaap/2021-01-31</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
