<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.26.1</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>356</ContextCount>
  <ElementCount>284</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>false</FootnotesReported>
  <SegmentCount>96</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>7</UnitCount>
  <MyReports>
    <Report instance="jbl-20260228.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>0000001 - Document - Cover Page</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jabil.com/role/CoverPage</Role>
      <ShortName>Cover Page</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report instance="jbl-20260228.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>9952151 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jabil.com/role/CONDENSEDCONSOLIDATEDBALANCESHEETS</Role>
      <ShortName>CONDENSED CONSOLIDATED BALANCE SHEETS</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>2</Position>
    </Report>
    <Report instance="jbl-20260228.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>9952152 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jabil.com/role/CONDENSEDCONSOLIDATEDBALANCESHEETSParenthetical</Role>
      <ShortName>CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>3</Position>
    </Report>
    <Report instance="jbl-20260228.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>9952153 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jabil.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONS</Role>
      <ShortName>CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>4</Position>
    </Report>
    <Report instance="jbl-20260228.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>9952154 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jabil.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOME</Role>
      <ShortName>CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>5</Position>
    </Report>
    <Report instance="jbl-20260228.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>9952155 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jabil.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITY</Role>
      <ShortName>CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>6</Position>
    </Report>
    <Report instance="jbl-20260228.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>9952156 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jabil.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWS</Role>
      <ShortName>CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>7</Position>
    </Report>
    <Report instance="jbl-20260228.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>9952157 - Disclosure - Basis of Presentation</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jabil.com/role/BasisofPresentation</Role>
      <ShortName>Basis of Presentation</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>8</Position>
    </Report>
    <Report instance="jbl-20260228.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>9952158 - Disclosure - Trade Accounts Receivable Sale Programs</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jabil.com/role/TradeAccountsReceivableSalePrograms</Role>
      <ShortName>Trade Accounts Receivable Sale Programs</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>9</Position>
    </Report>
    <Report instance="jbl-20260228.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>9952159 - Disclosure - Inventories</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jabil.com/role/Inventories</Role>
      <ShortName>Inventories</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>10</Position>
    </Report>
    <Report instance="jbl-20260228.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>9952160 - Disclosure - Leases</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jabil.com/role/Leases</Role>
      <ShortName>Leases</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>11</Position>
    </Report>
    <Report instance="jbl-20260228.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>9952161 - Disclosure - Goodwill and Other Intangible Assets</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jabil.com/role/GoodwillandOtherIntangibleAssets</Role>
      <ShortName>Goodwill and Other Intangible Assets</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>12</Position>
    </Report>
    <Report instance="jbl-20260228.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>9952162 - Disclosure - Notes Payable and Long-Term Debt</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.jabil.com/role/NotesPayableandLongTermDebt</Role>
      <ShortName>Notes Payable and Long-Term Debt</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>13</Position>
    </Report>
    <Report instance="jbl-20260228.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>9952163 - Disclosure - Asset-Backed Securitization Program</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jabil.com/role/AssetBackedSecuritizationProgram</Role>
      <ShortName>Asset-Backed Securitization Program</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>14</Position>
    </Report>
    <Report instance="jbl-20260228.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>9952164 - Disclosure - Accrued Expenses</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jabil.com/role/AccruedExpenses</Role>
      <ShortName>Accrued Expenses</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>15</Position>
    </Report>
    <Report instance="jbl-20260228.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>9952165 - Disclosure - Derivative Financial Instruments and Hedging Activities</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jabil.com/role/DerivativeFinancialInstrumentsandHedgingActivities</Role>
      <ShortName>Derivative Financial Instruments and Hedging Activities</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>16</Position>
    </Report>
    <Report instance="jbl-20260228.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>9952166 - Disclosure - Stockholders' Equity</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jabil.com/role/StockholdersEquity</Role>
      <ShortName>Stockholders' Equity</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>17</Position>
    </Report>
    <Report instance="jbl-20260228.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>9952167 - Disclosure - Concentration of Risk and Segment Data</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jabil.com/role/ConcentrationofRiskandSegmentData</Role>
      <ShortName>Concentration of Risk and Segment Data</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>18</Position>
    </Report>
    <Report instance="jbl-20260228.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>9952168 - Disclosure - Restructuring, Severance, and Related Charges</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jabil.com/role/RestructuringSeveranceandRelatedCharges</Role>
      <ShortName>Restructuring, Severance, and Related Charges</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>19</Position>
    </Report>
    <Report instance="jbl-20260228.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>9952169 - Disclosure - Income Taxes</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jabil.com/role/IncomeTaxes</Role>
      <ShortName>Income Taxes</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>20</Position>
    </Report>
    <Report instance="jbl-20260228.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>9952170 - Disclosure - Earnings Per Share and Dividends</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jabil.com/role/EarningsPerShareandDividends</Role>
      <ShortName>Earnings Per Share and Dividends</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>21</Position>
    </Report>
    <Report instance="jbl-20260228.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>9952171 - Disclosure - Business Acquisitions and Divestitures</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jabil.com/role/BusinessAcquisitionsandDivestitures</Role>
      <ShortName>Business Acquisitions and Divestitures</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>22</Position>
    </Report>
    <Report instance="jbl-20260228.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>9952172 - Disclosure - Fair Value Measurements</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jabil.com/role/FairValueMeasurements</Role>
      <ShortName>Fair Value Measurements</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>23</Position>
    </Report>
    <Report instance="jbl-20260228.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>9952173 - Disclosure - Commitments and Contingencies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jabil.com/role/CommitmentsandContingencies</Role>
      <ShortName>Commitments and Contingencies</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>24</Position>
    </Report>
    <Report instance="jbl-20260228.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>9952174 - Disclosure - New Accounting Guidance</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jabil.com/role/NewAccountingGuidance</Role>
      <ShortName>New Accounting Guidance</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>25</Position>
    </Report>
    <Report instance="jbl-20260228.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.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>26</Position>
    </Report>
    <Report instance="jbl-20260228.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.htm</HtmlFileName>
      <LongName>9955511 - Disclosure - Basis of Presentation (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jabil.com/role/BasisofPresentationPolicies</Role>
      <ShortName>Basis of Presentation (Policies)</ShortName>
      <MenuCategory>Policies</MenuCategory>
      <ParentRole>http://www.jabil.com/role/NewAccountingGuidance</ParentRole>
      <Position>27</Position>
    </Report>
    <Report instance="jbl-20260228.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>9955512 - Disclosure - Trade Accounts Receivable Sale Programs (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jabil.com/role/TradeAccountsReceivableSaleProgramsTables</Role>
      <ShortName>Trade Accounts Receivable Sale Programs (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.jabil.com/role/TradeAccountsReceivableSalePrograms</ParentRole>
      <Position>28</Position>
    </Report>
    <Report instance="jbl-20260228.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>9955513 - Disclosure - Inventories (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jabil.com/role/InventoriesTables</Role>
      <ShortName>Inventories (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.jabil.com/role/Inventories</ParentRole>
      <Position>29</Position>
    </Report>
    <Report instance="jbl-20260228.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>9955514 - Disclosure - Leases (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jabil.com/role/LeasesTables</Role>
      <ShortName>Leases (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.jabil.com/role/Leases</ParentRole>
      <Position>30</Position>
    </Report>
    <Report instance="jbl-20260228.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>9955515 - Disclosure - Goodwill and Other Intangible Assets (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jabil.com/role/GoodwillandOtherIntangibleAssetsTables</Role>
      <ShortName>Goodwill and Other Intangible Assets (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.jabil.com/role/GoodwillandOtherIntangibleAssets</ParentRole>
      <Position>31</Position>
    </Report>
    <Report instance="jbl-20260228.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R32.htm</HtmlFileName>
      <LongName>9955516 - Disclosure - Notes Payable and Long-Term Debt (Tables)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.jabil.com/role/NotesPayableandLongTermDebtTables</Role>
      <ShortName>Notes Payable and Long-Term Debt (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.jabil.com/role/NotesPayableandLongTermDebt</ParentRole>
      <Position>32</Position>
    </Report>
    <Report instance="jbl-20260228.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>9955517 - Disclosure - Asset-Backed Securitization Program (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jabil.com/role/AssetBackedSecuritizationProgramTables</Role>
      <ShortName>Asset-Backed Securitization Program (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.jabil.com/role/AssetBackedSecuritizationProgram</ParentRole>
      <Position>33</Position>
    </Report>
    <Report instance="jbl-20260228.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R34.htm</HtmlFileName>
      <LongName>9955518 - Disclosure - Accrued Expenses (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jabil.com/role/AccruedExpensesTables</Role>
      <ShortName>Accrued Expenses (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.jabil.com/role/AccruedExpenses</ParentRole>
      <Position>34</Position>
    </Report>
    <Report instance="jbl-20260228.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R35.htm</HtmlFileName>
      <LongName>9955519 - Disclosure - Derivative Financial Instruments and Hedging Activities (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jabil.com/role/DerivativeFinancialInstrumentsandHedgingActivitiesTables</Role>
      <ShortName>Derivative Financial Instruments and Hedging Activities (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.jabil.com/role/DerivativeFinancialInstrumentsandHedgingActivities</ParentRole>
      <Position>35</Position>
    </Report>
    <Report instance="jbl-20260228.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R36.htm</HtmlFileName>
      <LongName>9955520 - Disclosure - Stockholders' Equity (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jabil.com/role/StockholdersEquityTables</Role>
      <ShortName>Stockholders' Equity (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.jabil.com/role/StockholdersEquity</ParentRole>
      <Position>36</Position>
    </Report>
    <Report instance="jbl-20260228.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R37.htm</HtmlFileName>
      <LongName>9955521 - Disclosure - Concentration of Risk and Segment Data (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jabil.com/role/ConcentrationofRiskandSegmentDataTables</Role>
      <ShortName>Concentration of Risk and Segment Data (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.jabil.com/role/ConcentrationofRiskandSegmentData</ParentRole>
      <Position>37</Position>
    </Report>
    <Report instance="jbl-20260228.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R38.htm</HtmlFileName>
      <LongName>9955522 - Disclosure - Restructuring, Severance, and Related Charges (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jabil.com/role/RestructuringSeveranceandRelatedChargesTables</Role>
      <ShortName>Restructuring, Severance, and Related Charges (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.jabil.com/role/RestructuringSeveranceandRelatedCharges</ParentRole>
      <Position>38</Position>
    </Report>
    <Report instance="jbl-20260228.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R39.htm</HtmlFileName>
      <LongName>9955523 - Disclosure - Income Taxes (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jabil.com/role/IncomeTaxesTables</Role>
      <ShortName>Income Taxes (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.jabil.com/role/IncomeTaxes</ParentRole>
      <Position>39</Position>
    </Report>
    <Report instance="jbl-20260228.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R40.htm</HtmlFileName>
      <LongName>9955524 - Disclosure - Earnings Per Share and Dividends (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jabil.com/role/EarningsPerShareandDividendsTables</Role>
      <ShortName>Earnings Per Share and Dividends (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.jabil.com/role/EarningsPerShareandDividends</ParentRole>
      <Position>40</Position>
    </Report>
    <Report instance="jbl-20260228.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R41.htm</HtmlFileName>
      <LongName>9955525 - Disclosure - Fair Value Measurements (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jabil.com/role/FairValueMeasurementsTables</Role>
      <ShortName>Fair Value Measurements (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.jabil.com/role/FairValueMeasurements</ParentRole>
      <Position>41</Position>
    </Report>
    <Report instance="jbl-20260228.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R42.htm</HtmlFileName>
      <LongName>9955526 - Disclosure - Trade Accounts Receivable Sale Programs - Additional Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jabil.com/role/TradeAccountsReceivableSaleProgramsAdditionalInformationDetails</Role>
      <ShortName>Trade Accounts Receivable Sale Programs - Additional Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>42</Position>
    </Report>
    <Report instance="jbl-20260228.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R43.htm</HtmlFileName>
      <LongName>9955527 - Disclosure - Trade Accounts Receivable Sale Programs - Schedule of Trade Accounts Receivable Sale Programs Key Terms (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jabil.com/role/TradeAccountsReceivableSaleProgramsScheduleofTradeAccountsReceivableSaleProgramsKeyTermsDetails</Role>
      <ShortName>Trade Accounts Receivable Sale Programs - Schedule of Trade Accounts Receivable Sale Programs Key Terms (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>43</Position>
    </Report>
    <Report instance="jbl-20260228.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R44.htm</HtmlFileName>
      <LongName>9955528 - Disclosure - Trade Accounts Receivable Sale Programs - Trade Accounts Receivable Sale Programs Amounts Recognized (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jabil.com/role/TradeAccountsReceivableSaleProgramsTradeAccountsReceivableSaleProgramsAmountsRecognizedDetails</Role>
      <ShortName>Trade Accounts Receivable Sale Programs - Trade Accounts Receivable Sale Programs Amounts Recognized (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>44</Position>
    </Report>
    <Report instance="jbl-20260228.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R45.htm</HtmlFileName>
      <LongName>9955529 - Disclosure - Inventories - Schedule of Inventories (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jabil.com/role/InventoriesScheduleofInventoriesDetails</Role>
      <ShortName>Inventories - Schedule of Inventories (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>45</Position>
    </Report>
    <Report instance="jbl-20260228.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R46.htm</HtmlFileName>
      <LongName>9955530 - Disclosure - Inventories - Additional Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jabil.com/role/InventoriesAdditionalInformationDetails</Role>
      <ShortName>Inventories - Additional Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>46</Position>
    </Report>
    <Report instance="jbl-20260228.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R47.htm</HtmlFileName>
      <LongName>9955531 - Disclosure - Leases (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jabil.com/role/LeasesDetails</Role>
      <ShortName>Leases (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.jabil.com/role/LeasesTables</ParentRole>
      <Position>47</Position>
    </Report>
    <Report instance="jbl-20260228.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R48.htm</HtmlFileName>
      <LongName>9955532 - Disclosure - Goodwill and Other Intangible Assets - Schedule of Changes in Goodwill Allocated to Reportable Segments (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jabil.com/role/GoodwillandOtherIntangibleAssetsScheduleofChangesinGoodwillAllocatedtoReportableSegmentsDetails</Role>
      <ShortName>Goodwill and Other Intangible Assets - Schedule of Changes in Goodwill Allocated to Reportable Segments (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>48</Position>
    </Report>
    <Report instance="jbl-20260228.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R49.htm</HtmlFileName>
      <LongName>9955533 - Disclosure - Goodwill and Other Intangible Assets - Schedule of Gross Goodwill Balances and Accumulated Impairments (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jabil.com/role/GoodwillandOtherIntangibleAssetsScheduleofGrossGoodwillBalancesandAccumulatedImpairmentsDetails</Role>
      <ShortName>Goodwill and Other Intangible Assets - Schedule of Gross Goodwill Balances and Accumulated Impairments (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>49</Position>
    </Report>
    <Report instance="jbl-20260228.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R50.htm</HtmlFileName>
      <LongName>9955534 - Disclosure - Goodwill and Other Intangible Assets - Schedule of Purchased Intangible Assets (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jabil.com/role/GoodwillandOtherIntangibleAssetsScheduleofPurchasedIntangibleAssetsDetails</Role>
      <ShortName>Goodwill and Other Intangible Assets - Schedule of Purchased Intangible Assets (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>50</Position>
    </Report>
    <Report instance="jbl-20260228.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R51.htm</HtmlFileName>
      <LongName>9955535 - Disclosure - Goodwill and Other Intangible Assets - Additional Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jabil.com/role/GoodwillandOtherIntangibleAssetsAdditionalInformationDetails</Role>
      <ShortName>Goodwill and Other Intangible Assets - Additional Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>51</Position>
    </Report>
    <Report instance="jbl-20260228.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R52.htm</HtmlFileName>
      <LongName>9955536 - Disclosure - Goodwill and Other Intangible Assets - Schedule of Estimated Future Amortization Expense (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jabil.com/role/GoodwillandOtherIntangibleAssetsScheduleofEstimatedFutureAmortizationExpenseDetails</Role>
      <ShortName>Goodwill and Other Intangible Assets - Schedule of Estimated Future Amortization Expense (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>52</Position>
    </Report>
    <Report instance="jbl-20260228.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R53.htm</HtmlFileName>
      <LongName>9955537 - Disclosure - Notes Payable and Long-Term Debt - Schedule of Notes Payable and Long-term Debt (Details)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.jabil.com/role/NotesPayableandLongTermDebtScheduleofNotesPayableandLongtermDebtDetails</Role>
      <ShortName>Notes Payable and Long-Term Debt - Schedule of Notes Payable and Long-term Debt (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>53</Position>
    </Report>
    <Report instance="jbl-20260228.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R54.htm</HtmlFileName>
      <LongName>9955538 - Disclosure - Notes Payable and Long-Term Debt - Additional Information (Details)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.jabil.com/role/NotesPayableandLongTermDebtAdditionalInformationDetails</Role>
      <ShortName>Notes Payable and Long-Term Debt - Additional Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>54</Position>
    </Report>
    <Report instance="jbl-20260228.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R55.htm</HtmlFileName>
      <LongName>9955539 - Disclosure - Asset-Backed Securitization Program - Additional Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jabil.com/role/AssetBackedSecuritizationProgramAdditionalInformationDetails</Role>
      <ShortName>Asset-Backed Securitization Program - Additional Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>55</Position>
    </Report>
    <Report instance="jbl-20260228.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R56.htm</HtmlFileName>
      <LongName>9955540 - Disclosure - Asset-Backed Securitization Program - Schedule of Securitization Activity (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jabil.com/role/AssetBackedSecuritizationProgramScheduleofSecuritizationActivityDetails</Role>
      <ShortName>Asset-Backed Securitization Program - Schedule of Securitization Activity (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>56</Position>
    </Report>
    <Report instance="jbl-20260228.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R57.htm</HtmlFileName>
      <LongName>9955541 - Disclosure - Accrued Expenses (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jabil.com/role/AccruedExpensesDetails</Role>
      <ShortName>Accrued Expenses (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.jabil.com/role/AccruedExpensesTables</ParentRole>
      <Position>57</Position>
    </Report>
    <Report instance="jbl-20260228.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R58.htm</HtmlFileName>
      <LongName>9955542 - Disclosure - Derivative Financial Instruments and Hedging Activities - Additional Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jabil.com/role/DerivativeFinancialInstrumentsandHedgingActivitiesAdditionalInformationDetails</Role>
      <ShortName>Derivative Financial Instruments and Hedging Activities - Additional Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>58</Position>
    </Report>
    <Report instance="jbl-20260228.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R59.htm</HtmlFileName>
      <LongName>9955543 - Disclosure - Derivative Financial Instruments and Hedging Activities - Schedule of Maturity Date and Aggregate Notional Amount Outstanding of Net Investment Hedges (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jabil.com/role/DerivativeFinancialInstrumentsandHedgingActivitiesScheduleofMaturityDateandAggregateNotionalAmountOutstandingofNetInvestmentHedgesDetails</Role>
      <ShortName>Derivative Financial Instruments and Hedging Activities - Schedule of Maturity Date and Aggregate Notional Amount Outstanding of Net Investment Hedges (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>59</Position>
    </Report>
    <Report instance="jbl-20260228.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R60.htm</HtmlFileName>
      <LongName>9955544 - Disclosure - Stockholders' Equity - Schedule of Recognized Stock-Based Compensation (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jabil.com/role/StockholdersEquityScheduleofRecognizedStockBasedCompensationDetails</Role>
      <ShortName>Stockholders' Equity - Schedule of Recognized Stock-Based Compensation (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>60</Position>
    </Report>
    <Report instance="jbl-20260228.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R61.htm</HtmlFileName>
      <LongName>9955545 - Disclosure - Stockholders' Equity - Additional Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jabil.com/role/StockholdersEquityAdditionalInformationDetails</Role>
      <ShortName>Stockholders' Equity - Additional Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>61</Position>
    </Report>
    <Report instance="jbl-20260228.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R62.htm</HtmlFileName>
      <LongName>9955546 - Disclosure - Stockholders' Equity - Schedule of Stock-based Compensation Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jabil.com/role/StockholdersEquityScheduleofStockbasedCompensationInformationDetails</Role>
      <ShortName>Stockholders' Equity - Schedule of Stock-based Compensation Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>62</Position>
    </Report>
    <Report instance="jbl-20260228.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R63.htm</HtmlFileName>
      <LongName>9955547 - Disclosure - Stockholders' Equity - Schedule of Common Stock Outstanding (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jabil.com/role/StockholdersEquityScheduleofCommonStockOutstandingDetails</Role>
      <ShortName>Stockholders' Equity - Schedule of Common Stock Outstanding (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>63</Position>
    </Report>
    <Report instance="jbl-20260228.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R64.htm</HtmlFileName>
      <LongName>9955548 - Disclosure - Stockholders' Equity - Schedule of Repurchase of Common Stock under Share Repurchase Program (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jabil.com/role/StockholdersEquityScheduleofRepurchaseofCommonStockunderShareRepurchaseProgramDetails</Role>
      <ShortName>Stockholders' Equity - Schedule of Repurchase of Common Stock under Share Repurchase Program (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>64</Position>
    </Report>
    <Report instance="jbl-20260228.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R65.htm</HtmlFileName>
      <LongName>9955549 - Disclosure - Stockholders' Equity - Schedule of Accelerated Share Repurchases Agreement (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jabil.com/role/StockholdersEquityScheduleofAcceleratedShareRepurchasesAgreementDetails</Role>
      <ShortName>Stockholders' Equity - Schedule of Accelerated Share Repurchases Agreement (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>65</Position>
    </Report>
    <Report instance="jbl-20260228.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R66.htm</HtmlFileName>
      <LongName>9955550 - Disclosure - Stockholders' Equity - Schedule of Common Stock Repurchased through Open Market (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jabil.com/role/StockholdersEquityScheduleofCommonStockRepurchasedthroughOpenMarketDetails</Role>
      <ShortName>Stockholders' Equity - Schedule of Common Stock Repurchased through Open Market (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>66</Position>
    </Report>
    <Report instance="jbl-20260228.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R67.htm</HtmlFileName>
      <LongName>9955551 - Disclosure - Stockholders' Equity - Schedule of Stockholders' Equity Note, Warrants or Rights (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jabil.com/role/StockholdersEquityScheduleofStockholdersEquityNoteWarrantsorRightsDetails</Role>
      <ShortName>Stockholders' Equity - Schedule of Stockholders' Equity Note, Warrants or Rights (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>67</Position>
    </Report>
    <Report instance="jbl-20260228.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R68.htm</HtmlFileName>
      <LongName>9955552 - Disclosure - Concentration of Risk and Segment Data - Additional Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jabil.com/role/ConcentrationofRiskandSegmentDataAdditionalInformationDetails</Role>
      <ShortName>Concentration of Risk and Segment Data - Additional Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>68</Position>
    </Report>
    <Report instance="jbl-20260228.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R69.htm</HtmlFileName>
      <LongName>9955553 - Disclosure - Concentration of Risk and Segment Data - Schedule of Revenues Disaggregated by Segment (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jabil.com/role/ConcentrationofRiskandSegmentDataScheduleofRevenuesDisaggregatedbySegmentDetails</Role>
      <ShortName>Concentration of Risk and Segment Data - Schedule of Revenues Disaggregated by Segment (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>69</Position>
    </Report>
    <Report instance="jbl-20260228.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R70.htm</HtmlFileName>
      <LongName>9955554 - Disclosure - Concentration of Risk and Segment Data - Schedule of Segment Income and Reconciliation of Income Before Income Tax (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jabil.com/role/ConcentrationofRiskandSegmentDataScheduleofSegmentIncomeandReconciliationofIncomeBeforeIncomeTaxDetails</Role>
      <ShortName>Concentration of Risk and Segment Data - Schedule of Segment Income and Reconciliation of Income Before Income Tax (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>70</Position>
    </Report>
    <Report instance="jbl-20260228.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R71.htm</HtmlFileName>
      <LongName>9955555 - Disclosure - Concentration of Risk and Segment Data - Schedule of Segment Assets (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jabil.com/role/ConcentrationofRiskandSegmentDataScheduleofSegmentAssetsDetails</Role>
      <ShortName>Concentration of Risk and Segment Data - Schedule of Segment Assets (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>71</Position>
    </Report>
    <Report instance="jbl-20260228.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R72.htm</HtmlFileName>
      <LongName>9955556 - Disclosure - Concentration of Risk and Segment Data - Schedule of Foreign Source Revenue (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jabil.com/role/ConcentrationofRiskandSegmentDataScheduleofForeignSourceRevenueDetails</Role>
      <ShortName>Concentration of Risk and Segment Data - Schedule of Foreign Source Revenue (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>72</Position>
    </Report>
    <Report instance="jbl-20260228.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R73.htm</HtmlFileName>
      <LongName>9955557 - Disclosure - Restructuring, Severance, and Related Charges - Schedule of Restructuring, Severance and Related Charges (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jabil.com/role/RestructuringSeveranceandRelatedChargesScheduleofRestructuringSeveranceandRelatedChargesDetails</Role>
      <ShortName>Restructuring, Severance, and Related Charges - Schedule of Restructuring, Severance and Related Charges (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>73</Position>
    </Report>
    <Report instance="jbl-20260228.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R74.htm</HtmlFileName>
      <LongName>9955558 - Disclosure - Restructuring, Severance, and Related Charges - Schedule of Liability Activity (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jabil.com/role/RestructuringSeveranceandRelatedChargesScheduleofLiabilityActivityDetails</Role>
      <ShortName>Restructuring, Severance, and Related Charges - Schedule of Liability Activity (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>74</Position>
    </Report>
    <Report instance="jbl-20260228.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R75.htm</HtmlFileName>
      <LongName>9955559 - Disclosure - Restructuring, Severance, and Related Charges - Additional Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jabil.com/role/RestructuringSeveranceandRelatedChargesAdditionalInformationDetails</Role>
      <ShortName>Restructuring, Severance, and Related Charges - Additional Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>75</Position>
    </Report>
    <Report instance="jbl-20260228.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R76.htm</HtmlFileName>
      <LongName>9955560 - Disclosure - Income Taxes - Schedule of U.S. Federal Statutory Income Tax Rate Compared to Actual Income Tax Expense (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jabil.com/role/IncomeTaxesScheduleofUSFederalStatutoryIncomeTaxRateComparedtoActualIncomeTaxExpenseDetails</Role>
      <ShortName>Income Taxes - Schedule of U.S. Federal Statutory Income Tax Rate Compared to Actual Income Tax Expense (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>76</Position>
    </Report>
    <Report instance="jbl-20260228.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R77.htm</HtmlFileName>
      <LongName>9955561 - Disclosure - Income Taxes - Additional Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jabil.com/role/IncomeTaxesAdditionalInformationDetails</Role>
      <ShortName>Income Taxes - Additional Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>77</Position>
    </Report>
    <Report instance="jbl-20260228.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R78.htm</HtmlFileName>
      <LongName>9955562 - Disclosure - Earnings Per Share and Dividends - Schedule of Earnings Per Share (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jabil.com/role/EarningsPerShareandDividendsScheduleofEarningsPerShareDetails</Role>
      <ShortName>Earnings Per Share and Dividends - Schedule of Earnings Per Share (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>78</Position>
    </Report>
    <Report instance="jbl-20260228.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R79.htm</HtmlFileName>
      <LongName>9955563 - Disclosure - Earnings Per Share and Dividends - Schedule of Cash Dividends Declared by the Company to Common Stockholders (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jabil.com/role/EarningsPerShareandDividendsScheduleofCashDividendsDeclaredbytheCompanytoCommonStockholdersDetails</Role>
      <ShortName>Earnings Per Share and Dividends - Schedule of Cash Dividends Declared by the Company to Common Stockholders (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>79</Position>
    </Report>
    <Report instance="jbl-20260228.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R80.htm</HtmlFileName>
      <LongName>9955564 - Disclosure - Business Acquisitions and Divestitures (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jabil.com/role/BusinessAcquisitionsandDivestituresDetails</Role>
      <ShortName>Business Acquisitions and Divestitures (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.jabil.com/role/BusinessAcquisitionsandDivestitures</ParentRole>
      <Position>80</Position>
    </Report>
    <Report instance="jbl-20260228.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R81.htm</HtmlFileName>
      <LongName>9955565 - Disclosure - Fair Value Measurements - Additional Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jabil.com/role/FairValueMeasurementsAdditionalInformationDetails</Role>
      <ShortName>Fair Value Measurements - Additional Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>81</Position>
    </Report>
    <Report instance="jbl-20260228.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R82.htm</HtmlFileName>
      <LongName>9955566 - Disclosure - Fair Value Measurements - Schedule of Fair Value of Financial Instruments (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jabil.com/role/FairValueMeasurementsScheduleofFairValueofFinancialInstrumentsDetails</Role>
      <ShortName>Fair Value Measurements - Schedule of Fair Value of Financial Instruments (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>82</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="jbl-20260228.htm">jbl-20260228.htm</File>
    <File>jbl-20260228.xsd</File>
    <File>jbl-20260228_cal.xml</File>
    <File>jbl-20260228_def.xml</File>
    <File>jbl-20260228_lab.xml</File>
    <File>jbl-20260228_pre.xml</File>
  </InputFiles>
  <SupplementalFiles>
    <File>jbl-20260228_g1.jpg</File>
  </SupplementalFiles>
  <BaseTaxonomies>
    <BaseTaxonomy items="8">http://fasb.org/srt/2025</BaseTaxonomy>
    <BaseTaxonomy items="926">http://fasb.org/us-gaap/2025</BaseTaxonomy>
    <BaseTaxonomy items="29">http://xbrl.sec.gov/dei/2025</BaseTaxonomy>
    <BaseTaxonomy items="4">http://xbrl.sec.gov/ecd/2025</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
