<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.26.1</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>353</ContextCount>
  <ElementCount>398</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>false</FootnotesReported>
  <SegmentCount>88</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>8</UnitCount>
  <MyReports>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>0000001 - Document - COVER</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/COVER</Role>
      <ShortName>COVER</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>9952151 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF EARNINGS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFEARNINGS</Role>
      <ShortName>CONDENSED CONSOLIDATED STATEMENTS OF EARNINGS</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>2</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>9952153 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOME</Role>
      <ShortName>CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>3</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>9952154 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/CONDENSEDCONSOLIDATEDBALANCESHEETS</Role>
      <ShortName>CONDENSED CONSOLIDATED BALANCE SHEETS</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>4</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>9952155 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/CONDENSEDCONSOLIDATEDBALANCESHEETSParenthetical</Role>
      <ShortName>CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>5</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>9952156 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF EQUITY</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFEQUITY</Role>
      <ShortName>CONDENSED CONSOLIDATED STATEMENTS OF EQUITY</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>6</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>9952157 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF EQUITY (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFEQUITYParenthetical</Role>
      <ShortName>CONDENSED CONSOLIDATED STATEMENTS OF EQUITY (Parenthetical)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>7</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>9952158 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWS</Role>
      <ShortName>CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>8</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>9952159 - Disclosure - Summary of Accounting Policies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/SummaryofAccountingPolicies</Role>
      <ShortName>Summary of Accounting Policies</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>9</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>9952160 - Disclosure - Revenue Recognition</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/RevenueRecognition</Role>
      <ShortName>Revenue Recognition</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>10</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>9952161 - Disclosure - Acquisitions</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/Acquisitions</Role>
      <ShortName>Acquisitions</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>11</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>9952162 - Disclosure - Receivables</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/Receivables</Role>
      <ShortName>Receivables</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>12</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>9952163 - Disclosure - Inventories</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/Inventories</Role>
      <ShortName>Inventories</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>13</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>9952164 - Disclosure - Goodwill and Other Intangible Assets</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/GoodwillandOtherIntangibleAssets</Role>
      <ShortName>Goodwill and Other Intangible Assets</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>14</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>9952165 - Disclosure - Income Taxes</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/IncomeTaxes</Role>
      <ShortName>Income Taxes</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>15</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>9952166 - Disclosure - Short-term and Long-term Debt</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/ShorttermandLongtermDebt</Role>
      <ShortName>Short-term and Long-term Debt</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>16</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>9952167 - Disclosure - Financial Instruments</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/FinancialInstruments</Role>
      <ShortName>Financial Instruments</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>17</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>9952168 - Disclosure - Pension Plans</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/PensionPlans</Role>
      <ShortName>Pension Plans</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>18</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>9952169 - Disclosure - Postretirement Health Care Plans</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/PostretirementHealthCarePlans</Role>
      <ShortName>Postretirement Health Care Plans</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>19</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>9952170 - Disclosure - Stock-based Compensation and Other Stock Plans</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/StockbasedCompensationandOtherStockPlans</Role>
      <ShortName>Stock-based Compensation and Other Stock Plans</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>20</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>9952171 - Disclosure - Earnings Per Share</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/EarningsPerShare</Role>
      <ShortName>Earnings Per Share</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>21</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>9952172 - Disclosure - Commitments and Contingencies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/CommitmentsandContingencies</Role>
      <ShortName>Commitments and Contingencies</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>22</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>9952173 - Disclosure - Leases</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/Leases</Role>
      <ShortName>Leases</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>23</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>9952174 - Disclosure - Other Income (Expense) - Net</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/OtherIncomeExpenseNet</Role>
      <ShortName>Other Income (Expense) - Net</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>24</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>9952175 - Disclosure - Accumulated Other Comprehensive Income (Loss)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/AccumulatedOtherComprehensiveIncomeLoss</Role>
      <ShortName>Accumulated Other Comprehensive Income (Loss)</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>25</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>9952176 - Disclosure - Segments</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/Segments</Role>
      <ShortName>Segments</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>26</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.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>27</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>9955511 - Disclosure - Summary of Accounting Policies (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/SummaryofAccountingPoliciesPolicies</Role>
      <ShortName>Summary of Accounting Policies (Policies)</ShortName>
      <MenuCategory>Policies</MenuCategory>
      <ParentRole>http://www.snapon.com/role/SummaryofAccountingPolicies</ParentRole>
      <Position>28</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>9955512 - Disclosure - Revenue Recognition (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/RevenueRecognitionTables</Role>
      <ShortName>Revenue Recognition (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.snapon.com/role/RevenueRecognition</ParentRole>
      <Position>29</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>9955513 - Disclosure - Receivables (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/ReceivablesTables</Role>
      <ShortName>Receivables (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.snapon.com/role/Receivables</ParentRole>
      <Position>30</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>9955514 - Disclosure - Inventories (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/InventoriesTables</Role>
      <ShortName>Inventories (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.snapon.com/role/Inventories</ParentRole>
      <Position>31</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R32.htm</HtmlFileName>
      <LongName>9955515 - Disclosure - Goodwill and Other Intangible Assets (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/GoodwillandOtherIntangibleAssetsTables</Role>
      <ShortName>Goodwill and Other Intangible Assets (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.snapon.com/role/GoodwillandOtherIntangibleAssets</ParentRole>
      <Position>32</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>9955516 - Disclosure - Short-term and Long-term Debt (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/ShorttermandLongtermDebtTables</Role>
      <ShortName>Short-term and Long-term Debt (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.snapon.com/role/ShorttermandLongtermDebt</ParentRole>
      <Position>33</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R34.htm</HtmlFileName>
      <LongName>9955517 - Disclosure - Financial Instruments (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/FinancialInstrumentsTables</Role>
      <ShortName>Financial Instruments (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.snapon.com/role/FinancialInstruments</ParentRole>
      <Position>34</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R35.htm</HtmlFileName>
      <LongName>9955518 - Disclosure - Pension Plans (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/PensionPlansTables</Role>
      <ShortName>Pension Plans (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.snapon.com/role/PensionPlans</ParentRole>
      <Position>35</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R36.htm</HtmlFileName>
      <LongName>9955519 - Disclosure - Postretirement Health Care Plans (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/PostretirementHealthCarePlansTables</Role>
      <ShortName>Postretirement Health Care Plans (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.snapon.com/role/PostretirementHealthCarePlans</ParentRole>
      <Position>36</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R37.htm</HtmlFileName>
      <LongName>9955520 - Disclosure - Stock-based Compensation and Other Stock Plans (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/StockbasedCompensationandOtherStockPlansTables</Role>
      <ShortName>Stock-based Compensation and Other Stock Plans (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.snapon.com/role/StockbasedCompensationandOtherStockPlans</ParentRole>
      <Position>37</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R38.htm</HtmlFileName>
      <LongName>9955521 - Disclosure - Earnings Per Share (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/EarningsPerShareTables</Role>
      <ShortName>Earnings Per Share (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.snapon.com/role/EarningsPerShare</ParentRole>
      <Position>38</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R39.htm</HtmlFileName>
      <LongName>9955522 - Disclosure - Commitments and Contingencies (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/CommitmentsandContingenciesTables</Role>
      <ShortName>Commitments and Contingencies (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.snapon.com/role/CommitmentsandContingencies</ParentRole>
      <Position>39</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R40.htm</HtmlFileName>
      <LongName>9955523 - Disclosure - Leases (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/LeasesTables</Role>
      <ShortName>Leases (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.snapon.com/role/Leases</ParentRole>
      <Position>40</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R41.htm</HtmlFileName>
      <LongName>9955524 - Disclosure - Other Income (Expense) - Net (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/OtherIncomeExpenseNetTables</Role>
      <ShortName>Other Income (Expense) - Net (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.snapon.com/role/OtherIncomeExpenseNet</ParentRole>
      <Position>41</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R42.htm</HtmlFileName>
      <LongName>9955525 - Disclosure - Accumulated Other Comprehensive Income (Loss) (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/AccumulatedOtherComprehensiveIncomeLossTables</Role>
      <ShortName>Accumulated Other Comprehensive Income (Loss) (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.snapon.com/role/AccumulatedOtherComprehensiveIncomeLoss</ParentRole>
      <Position>42</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R43.htm</HtmlFileName>
      <LongName>9955526 - Disclosure - Segments (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/SegmentsTables</Role>
      <ShortName>Segments (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.snapon.com/role/Segments</ParentRole>
      <Position>43</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R44.htm</HtmlFileName>
      <LongName>9955527 - Disclosure - Revenue Recognition - Schedule of Revenue Disaggregation (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/RevenueRecognitionScheduleofRevenueDisaggregationDetails</Role>
      <ShortName>Revenue Recognition - Schedule of Revenue Disaggregation (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>44</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R45.htm</HtmlFileName>
      <LongName>9955528 - Disclosure - Revenue Recognition - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/RevenueRecognitionNarrativeDetails</Role>
      <ShortName>Revenue Recognition - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>45</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R46.htm</HtmlFileName>
      <LongName>9955529 - Disclosure - Acquisitions (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/AcquisitionsDetails</Role>
      <ShortName>Acquisitions (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.snapon.com/role/Acquisitions</ParentRole>
      <Position>46</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R47.htm</HtmlFileName>
      <LongName>9955530 - Disclosure - Receivables - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/ReceivablesNarrativeDetails</Role>
      <ShortName>Receivables - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>47</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R48.htm</HtmlFileName>
      <LongName>9955531 - Disclosure - Receivables - Schedule of Components of Trade and Other Accounts Receivable (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/ReceivablesScheduleofComponentsofTradeandOtherAccountsReceivableDetails</Role>
      <ShortName>Receivables - Schedule of Components of Trade and Other Accounts Receivable (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>48</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R49.htm</HtmlFileName>
      <LongName>9955532 - Disclosure - Receivables - Schedule of Allowance For Credit Losses On Receivables (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/ReceivablesScheduleofAllowanceForCreditLossesOnReceivablesDetails</Role>
      <ShortName>Receivables - Schedule of Allowance For Credit Losses On Receivables (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>49</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R50.htm</HtmlFileName>
      <LongName>9955533 - Disclosure - Receivables - Schedule of Components of Current Finance and Contract Receivables (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/ReceivablesScheduleofComponentsofCurrentFinanceandContractReceivablesDetails</Role>
      <ShortName>Receivables - Schedule of Components of Current Finance and Contract Receivables (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>50</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R51.htm</HtmlFileName>
      <LongName>9955534 - Disclosure - Receivables - Schedule of Components of Finance and Contract Receivables Beyond One Year (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/ReceivablesScheduleofComponentsofFinanceandContractReceivablesBeyondOneYearDetails</Role>
      <ShortName>Receivables - Schedule of Components of Finance and Contract Receivables Beyond One Year (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>51</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R52.htm</HtmlFileName>
      <LongName>9955535 - Disclosure - Receivables - Schedule of Amortized Cost Basis of Finance and Contract Receivables (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/ReceivablesScheduleofAmortizedCostBasisofFinanceandContractReceivablesDetails</Role>
      <ShortName>Receivables - Schedule of Amortized Cost Basis of Finance and Contract Receivables (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>52</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R53.htm</HtmlFileName>
      <LongName>9955536 - Disclosure - Receivables - Schedule of Rollforward of Allowances for Credit Losses for Finance and Contract Receivables (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/ReceivablesScheduleofRollforwardofAllowancesforCreditLossesforFinanceandContractReceivablesDetails</Role>
      <ShortName>Receivables - Schedule of Rollforward of Allowances for Credit Losses for Finance and Contract Receivables (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>53</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R54.htm</HtmlFileName>
      <LongName>9955537 - Disclosure - Receivables - Schedule of Aging of Finance and Contract Receivables (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/ReceivablesScheduleofAgingofFinanceandContractReceivablesDetails</Role>
      <ShortName>Receivables - Schedule of Aging of Finance and Contract Receivables (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>54</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R55.htm</HtmlFileName>
      <LongName>9955538 - Disclosure - Receivables - Schedule of Finance and Contract Receivables on Nonaccrual Status (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/ReceivablesScheduleofFinanceandContractReceivablesonNonaccrualStatusDetails</Role>
      <ShortName>Receivables - Schedule of Finance and Contract Receivables on Nonaccrual Status (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>55</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R56.htm</HtmlFileName>
      <LongName>9955539 - Disclosure - Inventories - Schedule of Inventories by Major Classification (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/InventoriesScheduleofInventoriesbyMajorClassificationDetails</Role>
      <ShortName>Inventories - Schedule of Inventories by Major Classification (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>56</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R57.htm</HtmlFileName>
      <LongName>9955540 - Disclosure - Inventories - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/InventoriesNarrativeDetails</Role>
      <ShortName>Inventories - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>57</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R58.htm</HtmlFileName>
      <LongName>9955541 - Disclosure - Goodwill and Other Intangible Assets - Schedule of Changes in Carrying Amount of Goodwill by Segment (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/GoodwillandOtherIntangibleAssetsScheduleofChangesinCarryingAmountofGoodwillbySegmentDetails</Role>
      <ShortName>Goodwill and Other Intangible Assets - Schedule of Changes in Carrying Amount of Goodwill by Segment (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>58</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R59.htm</HtmlFileName>
      <LongName>9955542 - Disclosure - Goodwill and Other Intangible Assets - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/GoodwillandOtherIntangibleAssetsNarrativeDetails</Role>
      <ShortName>Goodwill and Other Intangible Assets - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>59</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R60.htm</HtmlFileName>
      <LongName>9955543 - Disclosure - Goodwill and Other Intangible Assets - Schedule of Other Intangible Assets by Major Class (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/GoodwillandOtherIntangibleAssetsScheduleofOtherIntangibleAssetsbyMajorClassDetails</Role>
      <ShortName>Goodwill and Other Intangible Assets - Schedule of Other Intangible Assets by Major Class (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>60</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R61.htm</HtmlFileName>
      <LongName>9955544 - Disclosure - Goodwill and Other Intangible Assets - Schedule of Weighted-Average Amortization Periods by Major Class (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/GoodwillandOtherIntangibleAssetsScheduleofWeightedAverageAmortizationPeriodsbyMajorClassDetails</Role>
      <ShortName>Goodwill and Other Intangible Assets - Schedule of Weighted-Average Amortization Periods by Major Class (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>61</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R62.htm</HtmlFileName>
      <LongName>9955545 - Disclosure - Income Taxes (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/IncomeTaxesDetails</Role>
      <ShortName>Income Taxes (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.snapon.com/role/IncomeTaxes</ParentRole>
      <Position>62</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R63.htm</HtmlFileName>
      <LongName>9955546 - Disclosure - Short-term and Long-term Debt - Schedule of Short-term and Long-term Debt (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/ShorttermandLongtermDebtScheduleofShorttermandLongtermDebtDetails</Role>
      <ShortName>Short-term and Long-term Debt - Schedule of Short-term and Long-term Debt (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>63</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R64.htm</HtmlFileName>
      <LongName>9955547 - Disclosure - Short-term and Long-term Debt - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/ShorttermandLongtermDebtNarrativeDetails</Role>
      <ShortName>Short-term and Long-term Debt - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>64</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R65.htm</HtmlFileName>
      <LongName>9955548 - Disclosure - Financial Instruments - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/FinancialInstrumentsNarrativeDetails</Role>
      <ShortName>Financial Instruments - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>65</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R66.htm</HtmlFileName>
      <LongName>9955549 - Disclosure - Financial Instruments - Schedule of Fair Values of Financial Instruments Not Approximating Carrying Values in Financial Statements (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/FinancialInstrumentsScheduleofFairValuesofFinancialInstrumentsNotApproximatingCarryingValuesinFinancialStatementsDetails</Role>
      <ShortName>Financial Instruments - Schedule of Fair Values of Financial Instruments Not Approximating Carrying Values in Financial Statements (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>66</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R67.htm</HtmlFileName>
      <LongName>9955550 - Disclosure - Pension Plans - Schedule of Pension Net Periodic Benefit Cost (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/PensionPlansScheduleofPensionNetPeriodicBenefitCostDetails</Role>
      <ShortName>Pension Plans - Schedule of Pension Net Periodic Benefit Cost (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>67</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R68.htm</HtmlFileName>
      <LongName>9955551 - Disclosure - Pension Plans - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/PensionPlansNarrativeDetails</Role>
      <ShortName>Pension Plans - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>68</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R69.htm</HtmlFileName>
      <LongName>9955552 - Disclosure - Postretirement Health Care Plans (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/PostretirementHealthCarePlansDetails</Role>
      <ShortName>Postretirement Health Care Plans (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.snapon.com/role/PostretirementHealthCarePlansTables</ParentRole>
      <Position>69</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R70.htm</HtmlFileName>
      <LongName>9955553 - Disclosure - Stock-based Compensation and Other Stock Plans - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/StockbasedCompensationandOtherStockPlansNarrativeDetails</Role>
      <ShortName>Stock-based Compensation and Other Stock Plans - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>70</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R71.htm</HtmlFileName>
      <LongName>9955554 - Disclosure - Stock-based Compensation and Other Stock Plans - Stock Options Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/StockbasedCompensationandOtherStockPlansStockOptionsNarrativeDetails</Role>
      <ShortName>Stock-based Compensation and Other Stock Plans - Stock Options Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>71</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R72.htm</HtmlFileName>
      <LongName>9955555 - Disclosure - Stock-based Compensation and Other Stock Plans - Schedule of Weighted-Average Assumptions of Fair Value Granted Using Black-Scholes Valuation Model, Stock Options (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/StockbasedCompensationandOtherStockPlansScheduleofWeightedAverageAssumptionsofFairValueGrantedUsingBlackScholesValuationModelStockOptionsDetails</Role>
      <ShortName>Stock-based Compensation and Other Stock Plans - Schedule of Weighted-Average Assumptions of Fair Value Granted Using Black-Scholes Valuation Model, Stock Options (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>72</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R73.htm</HtmlFileName>
      <LongName>9955556 - Disclosure - Stock-based Compensation and Other Stock Plans - Schedule of Changes in Stock Options (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/StockbasedCompensationandOtherStockPlansScheduleofChangesinStockOptionsDetails</Role>
      <ShortName>Stock-based Compensation and Other Stock Plans - Schedule of Changes in Stock Options (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>73</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R74.htm</HtmlFileName>
      <LongName>9955557 - Disclosure - Stock-based Compensation and Other Stock Plans - Performance Share Unit and Restricted Stock Unit Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/StockbasedCompensationandOtherStockPlansPerformanceShareUnitandRestrictedStockUnitNarrativeDetails</Role>
      <ShortName>Stock-based Compensation and Other Stock Plans - Performance Share Unit and Restricted Stock Unit Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>74</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R75.htm</HtmlFileName>
      <LongName>9955558 - Disclosure - Stock-based Compensation and Other Stock Plans - Schedule of Performance Share Unit and Restricted Stock Unit (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/StockbasedCompensationandOtherStockPlansScheduleofPerformanceShareUnitandRestrictedStockUnitDetails</Role>
      <ShortName>Stock-based Compensation and Other Stock Plans - Schedule of Performance Share Unit and Restricted Stock Unit (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>75</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R76.htm</HtmlFileName>
      <LongName>9955559 - Disclosure - Stock-based Compensation and Other Stock Plans - Stock Appreciation Rights Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/StockbasedCompensationandOtherStockPlansStockAppreciationRightsNarrativeDetails</Role>
      <ShortName>Stock-based Compensation and Other Stock Plans - Stock Appreciation Rights Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>76</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R77.htm</HtmlFileName>
      <LongName>9955560 - Disclosure - Stock-based Compensation and Other Stock Plans - Stock-Settled SARs, Schedule of Weighted-Average Assumptions of Fair Value Granted Using Black-Scholes Valuation Model (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/StockbasedCompensationandOtherStockPlansStockSettledSARsScheduleofWeightedAverageAssumptionsofFairValueGrantedUsingBlackScholesValuationModelDetails</Role>
      <ShortName>Stock-based Compensation and Other Stock Plans - Stock-Settled SARs, Schedule of Weighted-Average Assumptions of Fair Value Granted Using Black-Scholes Valuation Model (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>77</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R78.htm</HtmlFileName>
      <LongName>9955561 - Disclosure - Stock-based Compensation and Other Stock Plans - Schedule of Changes in Stock-Settled SARs (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/StockbasedCompensationandOtherStockPlansScheduleofChangesinStockSettledSARsDetails</Role>
      <ShortName>Stock-based Compensation and Other Stock Plans - Schedule of Changes in Stock-Settled SARs (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>78</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R79.htm</HtmlFileName>
      <LongName>9955562 - Disclosure - Stock-based Compensation and Other Stock Plans - Cash-Settled SARs, Schedule of Weighted-Average Assumptions of Fair Value Granted Using Black-Scholes Valuation Model (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/StockbasedCompensationandOtherStockPlansCashSettledSARsScheduleofWeightedAverageAssumptionsofFairValueGrantedUsingBlackScholesValuationModelDetails</Role>
      <ShortName>Stock-based Compensation and Other Stock Plans - Cash-Settled SARs, Schedule of Weighted-Average Assumptions of Fair Value Granted Using Black-Scholes Valuation Model (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>79</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R80.htm</HtmlFileName>
      <LongName>9955563 - Disclosure - Stock-based Compensation and Other Stock Plans - Schedule of Changes in Non-Vested Cash-Settled SARs (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/StockbasedCompensationandOtherStockPlansScheduleofChangesinNonVestedCashSettledSARsDetails</Role>
      <ShortName>Stock-based Compensation and Other Stock Plans - Schedule of Changes in Non-Vested Cash-Settled SARs (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>80</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R81.htm</HtmlFileName>
      <LongName>9955564 - Disclosure - Stock-based Compensation and Other Stock Plans - Restricted Stock Awards, Non-employee Directors Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/StockbasedCompensationandOtherStockPlansRestrictedStockAwardsNonemployeeDirectorsNarrativeDetails</Role>
      <ShortName>Stock-based Compensation and Other Stock Plans - Restricted Stock Awards, Non-employee Directors Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>81</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R82.htm</HtmlFileName>
      <LongName>9955565 - Disclosure - Stock-based Compensation and Other Stock Plans - Employee Stock Purchase Plan Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/StockbasedCompensationandOtherStockPlansEmployeeStockPurchasePlanNarrativeDetails</Role>
      <ShortName>Stock-based Compensation and Other Stock Plans - Employee Stock Purchase Plan Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>82</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R83.htm</HtmlFileName>
      <LongName>9955566 - Disclosure - Stock-based Compensation and Other Stock Plans - Franchise Stock Purchase Plan Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/StockbasedCompensationandOtherStockPlansFranchiseStockPurchasePlanNarrativeDetails</Role>
      <ShortName>Stock-based Compensation and Other Stock Plans - Franchise Stock Purchase Plan Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>83</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R84.htm</HtmlFileName>
      <LongName>9955567 - Disclosure - Earnings Per Share - Schedule of Computation of Basic and Diluted Earnings Per Common Share (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/EarningsPerShareScheduleofComputationofBasicandDilutedEarningsPerCommonShareDetails</Role>
      <ShortName>Earnings Per Share - Schedule of Computation of Basic and Diluted Earnings Per Common Share (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>84</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R85.htm</HtmlFileName>
      <LongName>9955568 - Disclosure - Earnings Per Share - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/EarningsPerShareNarrativeDetails</Role>
      <ShortName>Earnings Per Share - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>85</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R86.htm</HtmlFileName>
      <LongName>9955569 - Disclosure - Commitments and Contingencies (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/CommitmentsandContingenciesDetails</Role>
      <ShortName>Commitments and Contingencies (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.snapon.com/role/CommitmentsandContingenciesTables</ParentRole>
      <Position>86</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R87.htm</HtmlFileName>
      <LongName>9955570 - Disclosure - Leases (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/LeasesDetails</Role>
      <ShortName>Leases (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.snapon.com/role/LeasesTables</ParentRole>
      <Position>87</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R88.htm</HtmlFileName>
      <LongName>9955571 - Disclosure - Other Income (Expense) - Net (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/OtherIncomeExpenseNetDetails</Role>
      <ShortName>Other Income (Expense) - Net (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.snapon.com/role/OtherIncomeExpenseNetTables</ParentRole>
      <Position>88</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R89.htm</HtmlFileName>
      <LongName>9955572 - Disclosure - Accumulated Other Comprehensive Income (Loss) - Schedule of Net Changes in Accumulated OCI by Component, Net of Tax (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/AccumulatedOtherComprehensiveIncomeLossScheduleofNetChangesinAccumulatedOCIbyComponentNetofTaxDetails</Role>
      <ShortName>Accumulated Other Comprehensive Income (Loss) - Schedule of Net Changes in Accumulated OCI by Component, Net of Tax (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.snapon.com/role/AccumulatedOtherComprehensiveIncomeLossTables</ParentRole>
      <Position>89</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R90.htm</HtmlFileName>
      <LongName>9955573 - Disclosure - Accumulated Other Comprehensive Income (Loss) - Schedule of Reclassifications Out of Accumulated OCI (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/AccumulatedOtherComprehensiveIncomeLossScheduleofReclassificationsOutofAccumulatedOCIDetails</Role>
      <ShortName>Accumulated Other Comprehensive Income (Loss) - Schedule of Reclassifications Out of Accumulated OCI (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.snapon.com/role/AccumulatedOtherComprehensiveIncomeLossTables</ParentRole>
      <Position>90</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R91.htm</HtmlFileName>
      <LongName>9955574 - Disclosure - Segments - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/SegmentsNarrativeDetails</Role>
      <ShortName>Segments - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>91</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R92.htm</HtmlFileName>
      <LongName>9955575 - Disclosure - Segments - Schedule of Net Sales by Segment (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/SegmentsScheduleofNetSalesbySegmentDetails</Role>
      <ShortName>Segments - Schedule of Net Sales by Segment (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>92</Position>
    </Report>
    <Report instance="sna-20260404.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R93.htm</HtmlFileName>
      <LongName>9955576 - Disclosure - Segments - Schedule of Revenue and Long-Lived Assets, Geographic Region (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.snapon.com/role/SegmentsScheduleofRevenueandLongLivedAssetsGeographicRegionDetails</Role>
      <ShortName>Segments - Schedule of Revenue and Long-Lived Assets, Geographic Region (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>93</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="sna-20260404.htm">sna-20260404.htm</File>
    <File>sna-20260404.xsd</File>
    <File>sna-20260404_cal.xml</File>
    <File>sna-20260404_def.xml</File>
    <File>sna-20260404_lab.xml</File>
    <File>sna-20260404_pre.xml</File>
  </InputFiles>
  <SupplementalFiles/>
  <BaseTaxonomies>
    <BaseTaxonomy items="1226">http://fasb.org/us-gaap/2025</BaseTaxonomy>
    <BaseTaxonomy items="29">http://xbrl.sec.gov/dei/2025</BaseTaxonomy>
    <BaseTaxonomy items="25">http://xbrl.sec.gov/ecd/2025</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>