<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.26.1</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>314</ContextCount>
  <ElementCount>315</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>true</FootnotesReported>
  <SegmentCount>106</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>7</UnitCount>
  <MyReports>
    <Report instance="ea0299049-6k_universe.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>000 - Document - Document And Entity Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.UniversePharmaceuticalsINC.com/role/DocumentAndEntityInformation</Role>
      <ShortName>Document And Entity Information</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report instance="ea0299049-6k_universe.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>001 - Statement - Condensed Consolidated Balance Sheets</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.UniversePharmaceuticalsINC.com/role/ConsolidatedBalanceSheet</Role>
      <ShortName>Condensed Consolidated Balance Sheets</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>2</Position>
    </Report>
    <Report instance="ea0299049-6k_universe.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>002 - Statement - Condensed Consolidated Balance Sheets (Parentheticals)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.UniversePharmaceuticalsINC.com/role/ConsolidatedBalanceSheet_Parentheticals</Role>
      <ShortName>Condensed Consolidated Balance Sheets (Parentheticals)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>3</Position>
    </Report>
    <Report instance="ea0299049-6k_universe.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>003 - Statement - Condensed Consolidated Statements of Income and Comprehensive Income (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.UniversePharmaceuticalsINC.com/role/ConsolidatedIncomeStatement</Role>
      <ShortName>Condensed Consolidated Statements of Income and Comprehensive Income (Unaudited)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>4</Position>
    </Report>
    <Report instance="ea0299049-6k_universe.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>004 - Statement - Condensed Consolidated Statements of Changes in Shareholders’ Equity (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.UniversePharmaceuticalsINC.com/role/ShareholdersEquityType2or3</Role>
      <ShortName>Condensed Consolidated Statements of Changes in Shareholders’ Equity (Unaudited)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>5</Position>
    </Report>
    <Report instance="ea0299049-6k_universe.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>005 - Statement - Condensed Consolidated Statements of Cash Flows (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.UniversePharmaceuticalsINC.com/role/ConsolidatedCashFlow</Role>
      <ShortName>Condensed Consolidated Statements of Cash Flows (Unaudited)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>6</Position>
    </Report>
    <Report instance="ea0299049-6k_universe.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>006 - Disclosure - Organization and Business Description</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.UniversePharmaceuticalsINC.com/role/OrganizationandBusinessDescription</Role>
      <ShortName>Organization and Business Description</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>7</Position>
    </Report>
    <Report instance="ea0299049-6k_universe.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>007 - Disclosure - Summary of Significant Accounting Policies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.UniversePharmaceuticalsINC.com/role/SummaryofSignificantAccountingPolicies</Role>
      <ShortName>Summary of Significant Accounting Policies</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>8</Position>
    </Report>
    <Report instance="ea0299049-6k_universe.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>008 - Disclosure - Accounts Receivable, Net</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.UniversePharmaceuticalsINC.com/role/AccountsReceivableNet</Role>
      <ShortName>Accounts Receivable, Net</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>9</Position>
    </Report>
    <Report instance="ea0299049-6k_universe.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>009 - Disclosure - Inventories, Net</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.UniversePharmaceuticalsINC.com/role/InventoriesNet</Role>
      <ShortName>Inventories, Net</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>10</Position>
    </Report>
    <Report instance="ea0299049-6k_universe.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>010 - Disclosure - Advance to Suppliers</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.UniversePharmaceuticalsINC.com/role/AdvancetoSuppliers</Role>
      <ShortName>Advance to Suppliers</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>11</Position>
    </Report>
    <Report instance="ea0299049-6k_universe.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>011 - Disclosure - Other Receivable</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.UniversePharmaceuticalsINC.com/role/OtherReceivable</Role>
      <ShortName>Other Receivable</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>12</Position>
    </Report>
    <Report instance="ea0299049-6k_universe.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>012 - Disclosure - Short-Term Invstments</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.UniversePharmaceuticalsINC.com/role/ShortTermInvstments</Role>
      <ShortName>Short-Term Invstments</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>13</Position>
    </Report>
    <Report instance="ea0299049-6k_universe.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>013 - Disclosure - Property, Plant and Equipment, Net</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.UniversePharmaceuticalsINC.com/role/PropertyPlantandEquipmentNet</Role>
      <ShortName>Property, Plant and Equipment, Net</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>14</Position>
    </Report>
    <Report instance="ea0299049-6k_universe.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>014 - Disclosure - Intangible Assets, Net</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.UniversePharmaceuticalsINC.com/role/IntangibleAssetsNet</Role>
      <ShortName>Intangible Assets, Net</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>15</Position>
    </Report>
    <Report instance="ea0299049-6k_universe.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>015 - Disclosure - Prepayment for Construction in Progress</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.UniversePharmaceuticalsINC.com/role/PrepaymentforConstructioninProgress</Role>
      <ShortName>Prepayment for Construction in Progress</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>16</Position>
    </Report>
    <Report instance="ea0299049-6k_universe.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>016 - Disclosure - Prepayment for Purchase of a Property</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.UniversePharmaceuticalsINC.com/role/PrepaymentforPurchaseofaProperty</Role>
      <ShortName>Prepayment for Purchase of a Property</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>17</Position>
    </Report>
    <Report instance="ea0299049-6k_universe.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>017 - Disclosure - Short-Term Bank Loans</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.UniversePharmaceuticalsINC.com/role/ShortTermBankLoans</Role>
      <ShortName>Short-Term Bank Loans</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>18</Position>
    </Report>
    <Report instance="ea0299049-6k_universe.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>018 - Disclosure - Long-Term Bank Loans</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.UniversePharmaceuticalsINC.com/role/LongTermBankLoans</Role>
      <ShortName>Long-Term Bank Loans</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>19</Position>
    </Report>
    <Report instance="ea0299049-6k_universe.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>019 - Disclosure - Related Party Transactions</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.UniversePharmaceuticalsINC.com/role/RelatedPartyTransactions</Role>
      <ShortName>Related Party Transactions</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>20</Position>
    </Report>
    <Report instance="ea0299049-6k_universe.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>020 - Disclosure - Concentrations</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.UniversePharmaceuticalsINC.com/role/Concentrations</Role>
      <ShortName>Concentrations</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>21</Position>
    </Report>
    <Report instance="ea0299049-6k_universe.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>021 - Disclosure - Shareholders' Equity</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.UniversePharmaceuticalsINC.com/role/ShareholdersEquity</Role>
      <ShortName>Shareholders' Equity</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>22</Position>
    </Report>
    <Report instance="ea0299049-6k_universe.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>022 - Disclosure - Commitments and Contingencies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.UniversePharmaceuticalsINC.com/role/CommitmentsandContingencies</Role>
      <ShortName>Commitments and Contingencies</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>23</Position>
    </Report>
    <Report instance="ea0299049-6k_universe.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>023 - Disclosure - Subsequent Events</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.UniversePharmaceuticalsINC.com/role/SubsequentEvents</Role>
      <ShortName>Subsequent Events</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>24</Position>
    </Report>
    <Report instance="ea0299049-6k_universe.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>024 - Disclosure - Financial Information of the Parent Company</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.UniversePharmaceuticalsINC.com/role/FinancialInformationoftheParentCompany</Role>
      <ShortName>Financial Information of the Parent Company</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>25</Position>
    </Report>
    <Report instance="ea0299049-6k_universe.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>996000 - Disclosure - Accounting Policies, by Policy (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.UniversePharmaceuticalsINC.com/role/AccountingPoliciesByPolicy</Role>
      <ShortName>Accounting Policies, by Policy (Policies)</ShortName>
      <MenuCategory>Policies</MenuCategory>
      <ParentRole>http://www.UniversePharmaceuticalsINC.com/role/SummaryofSignificantAccountingPolicies</ParentRole>
      <Position>26</Position>
    </Report>
    <Report instance="ea0299049-6k_universe.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.htm</HtmlFileName>
      <LongName>996001 - Disclosure - Organization and Business Description (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.UniversePharmaceuticalsINC.com/role/OrganizationandBusinessDescriptionTables</Role>
      <ShortName>Organization and Business Description (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.UniversePharmaceuticalsINC.com/role/OrganizationandBusinessDescription</ParentRole>
      <Position>27</Position>
    </Report>
    <Report instance="ea0299049-6k_universe.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>996002 - Disclosure - Summary of Significant Accounting Policies (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.UniversePharmaceuticalsINC.com/role/SummaryofSignificantAccountingPoliciesTables</Role>
      <ShortName>Summary of Significant Accounting Policies (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.UniversePharmaceuticalsINC.com/role/SummaryofSignificantAccountingPolicies</ParentRole>
      <Position>28</Position>
    </Report>
    <Report instance="ea0299049-6k_universe.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>996003 - Disclosure - Accounts Receivable, Net (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.UniversePharmaceuticalsINC.com/role/AccountsReceivableNetTables</Role>
      <ShortName>Accounts Receivable, Net (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.UniversePharmaceuticalsINC.com/role/AccountsReceivableNet</ParentRole>
      <Position>29</Position>
    </Report>
    <Report instance="ea0299049-6k_universe.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>996004 - Disclosure - Inventories, Net (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.UniversePharmaceuticalsINC.com/role/InventoriesNetTables</Role>
      <ShortName>Inventories, Net (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.UniversePharmaceuticalsINC.com/role/InventoriesNet</ParentRole>
      <Position>30</Position>
    </Report>
    <Report instance="ea0299049-6k_universe.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>996005 - Disclosure - Advance to Suppliers (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.UniversePharmaceuticalsINC.com/role/AdvancetoSuppliersTables</Role>
      <ShortName>Advance to Suppliers (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.UniversePharmaceuticalsINC.com/role/AdvancetoSuppliers</ParentRole>
      <Position>31</Position>
    </Report>
    <Report instance="ea0299049-6k_universe.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R32.htm</HtmlFileName>
      <LongName>996006 - Disclosure - Other Receivable (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.UniversePharmaceuticalsINC.com/role/OtherReceivableTables</Role>
      <ShortName>Other Receivable (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.UniversePharmaceuticalsINC.com/role/OtherReceivable</ParentRole>
      <Position>32</Position>
    </Report>
    <Report instance="ea0299049-6k_universe.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>996007 - Disclosure - Short-Term Invstments (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.UniversePharmaceuticalsINC.com/role/ShortTermInvstmentsTables</Role>
      <ShortName>Short-Term Invstments (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.UniversePharmaceuticalsINC.com/role/ShortTermInvstments</ParentRole>
      <Position>33</Position>
    </Report>
    <Report instance="ea0299049-6k_universe.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R34.htm</HtmlFileName>
      <LongName>996008 - Disclosure - Property, Plant and Equipment, Net (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.UniversePharmaceuticalsINC.com/role/PropertyPlantandEquipmentNetTables</Role>
      <ShortName>Property, Plant and Equipment, Net (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.UniversePharmaceuticalsINC.com/role/PropertyPlantandEquipmentNet</ParentRole>
      <Position>34</Position>
    </Report>
    <Report instance="ea0299049-6k_universe.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R35.htm</HtmlFileName>
      <LongName>996009 - Disclosure - Intangible Assets, Net (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.UniversePharmaceuticalsINC.com/role/IntangibleAssetsNetTables</Role>
      <ShortName>Intangible Assets, Net (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.UniversePharmaceuticalsINC.com/role/IntangibleAssetsNet</ParentRole>
      <Position>35</Position>
    </Report>
    <Report instance="ea0299049-6k_universe.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R36.htm</HtmlFileName>
      <LongName>996010 - Disclosure - Prepayment for Construction in Progress (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.UniversePharmaceuticalsINC.com/role/PrepaymentforConstructioninProgressTables</Role>
      <ShortName>Prepayment for Construction in Progress (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.UniversePharmaceuticalsINC.com/role/PrepaymentforConstructioninProgress</ParentRole>
      <Position>36</Position>
    </Report>
    <Report instance="ea0299049-6k_universe.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R37.htm</HtmlFileName>
      <LongName>996011 - Disclosure - Short-Term Bank Loans (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.UniversePharmaceuticalsINC.com/role/ShortTermBankLoansTables</Role>
      <ShortName>Short-Term Bank Loans (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.UniversePharmaceuticalsINC.com/role/ShortTermBankLoans</ParentRole>
      <Position>37</Position>
    </Report>
    <Report instance="ea0299049-6k_universe.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R38.htm</HtmlFileName>
      <LongName>996012 - Disclosure - Long-Term Bank Loans (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.UniversePharmaceuticalsINC.com/role/LongTermBankLoansTables</Role>
      <ShortName>Long-Term Bank Loans (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.UniversePharmaceuticalsINC.com/role/LongTermBankLoans</ParentRole>
      <Position>38</Position>
    </Report>
    <Report instance="ea0299049-6k_universe.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R39.htm</HtmlFileName>
      <LongName>996013 - Disclosure - Related Party Transactions (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.UniversePharmaceuticalsINC.com/role/RelatedPartyTransactionsTables</Role>
      <ShortName>Related Party Transactions (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.UniversePharmaceuticalsINC.com/role/RelatedPartyTransactions</ParentRole>
      <Position>39</Position>
    </Report>
    <Report instance="ea0299049-6k_universe.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R40.htm</HtmlFileName>
      <LongName>996014 - Disclosure - Financial Information of the Parent Company (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.UniversePharmaceuticalsINC.com/role/FinancialInformationoftheParentCompanyTables</Role>
      <ShortName>Financial Information of the Parent Company (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.UniversePharmaceuticalsINC.com/role/FinancialInformationoftheParentCompany</ParentRole>
      <Position>40</Position>
    </Report>
    <Report instance="ea0299049-6k_universe.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R41.htm</HtmlFileName>
      <LongName>996015 - Disclosure - Organization and Business Description (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.UniversePharmaceuticalsINC.com/role/OrganizationandBusinessDescriptionDetails</Role>
      <ShortName>Organization and Business Description (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.UniversePharmaceuticalsINC.com/role/OrganizationandBusinessDescriptionTables</ParentRole>
      <Position>41</Position>
    </Report>
    <Report instance="ea0299049-6k_universe.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R42.htm</HtmlFileName>
      <LongName>996016 - Disclosure - Organization and Business Description - Schedule of Subsidiaries (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.UniversePharmaceuticalsINC.com/role/ScheduleofSubsidiariesTable</Role>
      <ShortName>Organization and Business Description - Schedule of Subsidiaries (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>42</Position>
    </Report>
    <Report instance="ea0299049-6k_universe.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R43.htm</HtmlFileName>
      <LongName>996017 - Disclosure - Summary of Significant Accounting Policies (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.UniversePharmaceuticalsINC.com/role/SummaryofSignificantAccountingPoliciesDetails</Role>
      <ShortName>Summary of Significant Accounting Policies (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.UniversePharmaceuticalsINC.com/role/SummaryofSignificantAccountingPoliciesTables</ParentRole>
      <Position>43</Position>
    </Report>
    <Report instance="ea0299049-6k_universe.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R44.htm</HtmlFileName>
      <LongName>996018 - Disclosure - Summary of Significant Accounting Policies - Schedule of Property Plant and Equipment Expected Useful Lives (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.UniversePharmaceuticalsINC.com/role/ScheduleofPropertyPlantandEquipmentExpectedUsefulLivesTable</Role>
      <ShortName>Summary of Significant Accounting Policies - Schedule of Property Plant and Equipment Expected Useful Lives (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>44</Position>
    </Report>
    <Report instance="ea0299049-6k_universe.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R45.htm</HtmlFileName>
      <LongName>996019 - Disclosure - Summary of Significant Accounting Policies - Schedule of Intangible Assets Estimated Useful Lives (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.UniversePharmaceuticalsINC.com/role/ScheduleofIntangibleAssetsEstimatedUsefulLivesTable</Role>
      <ShortName>Summary of Significant Accounting Policies - Schedule of Intangible Assets Estimated Useful Lives (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>45</Position>
    </Report>
    <Report instance="ea0299049-6k_universe.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R46.htm</HtmlFileName>
      <LongName>996020 - Disclosure - Summary of Significant Accounting Policies - Schedule of Disaggregation of Revenue (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.UniversePharmaceuticalsINC.com/role/ScheduleofDisaggregationofRevenueTable</Role>
      <ShortName>Summary of Significant Accounting Policies - Schedule of Disaggregation of Revenue (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>46</Position>
    </Report>
    <Report instance="ea0299049-6k_universe.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R47.htm</HtmlFileName>
      <LongName>996021 - Disclosure - Summary of Significant Accounting Policies - Schedule of Currency Exchange Rate (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.UniversePharmaceuticalsINC.com/role/ScheduleofCurrencyExchangeRateTable</Role>
      <ShortName>Summary of Significant Accounting Policies - Schedule of Currency Exchange Rate (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>47</Position>
    </Report>
    <Report instance="ea0299049-6k_universe.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R48.htm</HtmlFileName>
      <LongName>996022 - Disclosure - Accounts Receivable, Net (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.UniversePharmaceuticalsINC.com/role/AccountsReceivableNetDetails</Role>
      <ShortName>Accounts Receivable, Net (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.UniversePharmaceuticalsINC.com/role/AccountsReceivableNetTables</ParentRole>
      <Position>48</Position>
    </Report>
    <Report instance="ea0299049-6k_universe.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R49.htm</HtmlFileName>
      <LongName>996023 - Disclosure - Accounts Receivable, Net - Schedule of Accounts Receivable (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.UniversePharmaceuticalsINC.com/role/ScheduleofAccountsReceivableTable</Role>
      <ShortName>Accounts Receivable, Net - Schedule of Accounts Receivable (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>49</Position>
    </Report>
    <Report instance="ea0299049-6k_universe.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R50.htm</HtmlFileName>
      <LongName>996024 - Disclosure - Accounts Receivable, Net - Schedule of Allowance for Credit Loss (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.UniversePharmaceuticalsINC.com/role/ScheduleofAllowanceforCreditLossTable</Role>
      <ShortName>Accounts Receivable, Net - Schedule of Allowance for Credit Loss (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>50</Position>
    </Report>
    <Report instance="ea0299049-6k_universe.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R51.htm</HtmlFileName>
      <LongName>996025 - Disclosure - Inventories, Net - Schedule of Inventories (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.UniversePharmaceuticalsINC.com/role/ScheduleofInventoriesTable</Role>
      <ShortName>Inventories, Net - Schedule of Inventories (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>51</Position>
    </Report>
    <Report instance="ea0299049-6k_universe.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R52.htm</HtmlFileName>
      <LongName>996026 - Disclosure - Inventories, Net - Schedule of Inventories Valuation Allowance (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.UniversePharmaceuticalsINC.com/role/ScheduleofInventoriesValuationAllowanceTable</Role>
      <ShortName>Inventories, Net - Schedule of Inventories Valuation Allowance (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>52</Position>
    </Report>
    <Report instance="ea0299049-6k_universe.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R53.htm</HtmlFileName>
      <LongName>996027 - Disclosure - Advance to Suppliers - Schedule of Advances to Suppliers (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.UniversePharmaceuticalsINC.com/role/ScheduleofAdvancestoSuppliersTable</Role>
      <ShortName>Advance to Suppliers - Schedule of Advances to Suppliers (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>53</Position>
    </Report>
    <Report instance="ea0299049-6k_universe.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R54.htm</HtmlFileName>
      <LongName>996028 - Disclosure - Other Receivable (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.UniversePharmaceuticalsINC.com/role/OtherReceivableDetails</Role>
      <ShortName>Other Receivable (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.UniversePharmaceuticalsINC.com/role/OtherReceivableTables</ParentRole>
      <Position>54</Position>
    </Report>
    <Report instance="ea0299049-6k_universe.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R55.htm</HtmlFileName>
      <LongName>996029 - Disclosure - Other Receivable - Schedule of Other Receivable (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.UniversePharmaceuticalsINC.com/role/ScheduleofOtherReceivableTable</Role>
      <ShortName>Other Receivable - Schedule of Other Receivable (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>55</Position>
    </Report>
    <Report instance="ea0299049-6k_universe.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R56.htm</HtmlFileName>
      <LongName>996030 - Disclosure - Short-Term Invstments (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.UniversePharmaceuticalsINC.com/role/ShortTermInvstmentsDetails</Role>
      <ShortName>Short-Term Invstments (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.UniversePharmaceuticalsINC.com/role/ShortTermInvstmentsTables</ParentRole>
      <Position>56</Position>
    </Report>
    <Report instance="ea0299049-6k_universe.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R57.htm</HtmlFileName>
      <LongName>996031 - Disclosure - Short-Term Invstments - Schedule of Short-Term Investments (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.UniversePharmaceuticalsINC.com/role/ScheduleofShortTermInvestmentsTable</Role>
      <ShortName>Short-Term Invstments - Schedule of Short-Term Investments (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>57</Position>
    </Report>
    <Report instance="ea0299049-6k_universe.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R58.htm</HtmlFileName>
      <LongName>996032 - Disclosure - Property, Plant and Equipment, Net (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.UniversePharmaceuticalsINC.com/role/PropertyPlantandEquipmentNetDetails</Role>
      <ShortName>Property, Plant and Equipment, Net (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.UniversePharmaceuticalsINC.com/role/PropertyPlantandEquipmentNetTables</ParentRole>
      <Position>58</Position>
    </Report>
    <Report instance="ea0299049-6k_universe.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R59.htm</HtmlFileName>
      <LongName>996033 - Disclosure - Property, Plant and Equipment, Net - Schedule of Property, Plant and Equipment, Net (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.UniversePharmaceuticalsINC.com/role/ScheduleofPropertyPlantandEquipmentNetTable</Role>
      <ShortName>Property, Plant and Equipment, Net - Schedule of Property, Plant and Equipment, Net (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>59</Position>
    </Report>
    <Report instance="ea0299049-6k_universe.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R60.htm</HtmlFileName>
      <LongName>996034 - Disclosure - Intangible Assets, Net (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.UniversePharmaceuticalsINC.com/role/IntangibleAssetsNetDetails</Role>
      <ShortName>Intangible Assets, Net (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.UniversePharmaceuticalsINC.com/role/IntangibleAssetsNetTables</ParentRole>
      <Position>60</Position>
    </Report>
    <Report instance="ea0299049-6k_universe.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R61.htm</HtmlFileName>
      <LongName>996035 - Disclosure - Intangible Assets, Net - Schedule of Intangible Assets, Net (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.UniversePharmaceuticalsINC.com/role/ScheduleofIntangibleAssetsNetTable</Role>
      <ShortName>Intangible Assets, Net - Schedule of Intangible Assets, Net (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>61</Position>
    </Report>
    <Report instance="ea0299049-6k_universe.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R62.htm</HtmlFileName>
      <LongName>996036 - Disclosure - Intangible Assets, Net - Schedule of Estimated Future Amortization Expense for Intangible Assets (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.UniversePharmaceuticalsINC.com/role/ScheduleofEstimatedFutureAmortizationExpenseforIntangibleAssetsTable</Role>
      <ShortName>Intangible Assets, Net - Schedule of Estimated Future Amortization Expense for Intangible Assets (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>62</Position>
    </Report>
    <Report instance="ea0299049-6k_universe.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R63.htm</HtmlFileName>
      <LongName>996037 - Disclosure - Prepayment for Construction in Progress (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.UniversePharmaceuticalsINC.com/role/PrepaymentforConstructioninProgressDetails</Role>
      <ShortName>Prepayment for Construction in Progress (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.UniversePharmaceuticalsINC.com/role/PrepaymentforConstructioninProgressTables</ParentRole>
      <Position>63</Position>
    </Report>
    <Report instance="ea0299049-6k_universe.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R64.htm</HtmlFileName>
      <LongName>996038 - Disclosure -  Prepayment for Construction in Progress - Schedule of Future Minimum Capital Expenditures (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.UniversePharmaceuticalsINC.com/role/ScheduleofFutureMinimumCapitalExpendituresTable</Role>
      <ShortName> Prepayment for Construction in Progress - Schedule of Future Minimum Capital Expenditures (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>64</Position>
    </Report>
    <Report instance="ea0299049-6k_universe.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R65.htm</HtmlFileName>
      <LongName>996039 - Disclosure - Prepayment for Purchase of a Property (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.UniversePharmaceuticalsINC.com/role/PrepaymentforPurchaseofaPropertyDetails</Role>
      <ShortName>Prepayment for Purchase of a Property (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.UniversePharmaceuticalsINC.com/role/PrepaymentforPurchaseofaProperty</ParentRole>
      <Position>65</Position>
    </Report>
    <Report instance="ea0299049-6k_universe.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R66.htm</HtmlFileName>
      <LongName>996040 - Disclosure - Short-Term Bank Loans (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.UniversePharmaceuticalsINC.com/role/ShortTermBankLoansDetails</Role>
      <ShortName>Short-Term Bank Loans (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.UniversePharmaceuticalsINC.com/role/ShortTermBankLoansTables</ParentRole>
      <Position>66</Position>
    </Report>
    <Report instance="ea0299049-6k_universe.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R67.htm</HtmlFileName>
      <LongName>996041 - Disclosure - Short-Term Bank Loans - Schedule of Short-Term Bank Loans (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.UniversePharmaceuticalsINC.com/role/ScheduleofShortTermBankLoansTable</Role>
      <ShortName>Short-Term Bank Loans - Schedule of Short-Term Bank Loans (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>67</Position>
    </Report>
    <Report instance="ea0299049-6k_universe.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R68.htm</HtmlFileName>
      <LongName>996042 - Disclosure - Long-Term Bank Loans (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.UniversePharmaceuticalsINC.com/role/LongTermBankLoansDetails</Role>
      <ShortName>Long-Term Bank Loans (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.UniversePharmaceuticalsINC.com/role/LongTermBankLoansTables</ParentRole>
      <Position>68</Position>
    </Report>
    <Report instance="ea0299049-6k_universe.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R69.htm</HtmlFileName>
      <LongName>996043 - Disclosure - Long-Term Bank Loans - Schedule of Long-Term Bank Loans (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.UniversePharmaceuticalsINC.com/role/ScheduleofLongTermBankLoansTable</Role>
      <ShortName>Long-Term Bank Loans - Schedule of Long-Term Bank Loans (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>69</Position>
    </Report>
    <Report instance="ea0299049-6k_universe.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R70.htm</HtmlFileName>
      <LongName>996044 - Disclosure - Related Party Transactions - Schedule of Nature of Relationships with Related Parties (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.UniversePharmaceuticalsINC.com/role/ScheduleofNatureofRelationshipswithRelatedPartiesTable</Role>
      <ShortName>Related Party Transactions - Schedule of Nature of Relationships with Related Parties (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>70</Position>
    </Report>
    <Report instance="ea0299049-6k_universe.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R71.htm</HtmlFileName>
      <LongName>996045 - Disclosure - Related Party Transactions - Schedule of Due to Related Parties (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.UniversePharmaceuticalsINC.com/role/ScheduleofDuetoRelatedPartiesTable</Role>
      <ShortName>Related Party Transactions - Schedule of Due to Related Parties (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>71</Position>
    </Report>
    <Report instance="ea0299049-6k_universe.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R72.htm</HtmlFileName>
      <LongName>996046 - Disclosure - Concentrations (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.UniversePharmaceuticalsINC.com/role/ConcentrationsDetails</Role>
      <ShortName>Concentrations (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.UniversePharmaceuticalsINC.com/role/Concentrations</ParentRole>
      <Position>72</Position>
    </Report>
    <Report instance="ea0299049-6k_universe.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R73.htm</HtmlFileName>
      <LongName>996047 - Disclosure - Shareholders' Equity (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.UniversePharmaceuticalsINC.com/role/ShareholdersEquityDetails</Role>
      <ShortName>Shareholders' Equity (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.UniversePharmaceuticalsINC.com/role/ShareholdersEquity</ParentRole>
      <Position>73</Position>
    </Report>
    <Report instance="ea0299049-6k_universe.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R74.htm</HtmlFileName>
      <LongName>996048 - Disclosure - Commitments and Contingencies (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.UniversePharmaceuticalsINC.com/role/CommitmentsandContingenciesDetails</Role>
      <ShortName>Commitments and Contingencies (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.UniversePharmaceuticalsINC.com/role/CommitmentsandContingencies</ParentRole>
      <Position>74</Position>
    </Report>
    <Report instance="ea0299049-6k_universe.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R75.htm</HtmlFileName>
      <LongName>996049 - Disclosure - Subsequent Events (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.UniversePharmaceuticalsINC.com/role/SubsequentEventsDetails</Role>
      <ShortName>Subsequent Events (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.UniversePharmaceuticalsINC.com/role/SubsequentEvents</ParentRole>
      <Position>75</Position>
    </Report>
    <Report instance="ea0299049-6k_universe.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R76.htm</HtmlFileName>
      <LongName>996050 - Disclosure - Financial Information of the Parent Company (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.UniversePharmaceuticalsINC.com/role/FinancialInformationoftheParentCompanyDetails</Role>
      <ShortName>Financial Information of the Parent Company (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.UniversePharmaceuticalsINC.com/role/FinancialInformationoftheParentCompanyTables</ParentRole>
      <Position>76</Position>
    </Report>
    <Report instance="ea0299049-6k_universe.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R77.htm</HtmlFileName>
      <LongName>996051 - Disclosure - Financial Information of the Parent Company - Schedule of Parent Company Balance Sheets (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.UniversePharmaceuticalsINC.com/role/ScheduleofParentCompanyBalanceSheetsTable</Role>
      <ShortName>Financial Information of the Parent Company - Schedule of Parent Company Balance Sheets (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>77</Position>
    </Report>
    <Report instance="ea0299049-6k_universe.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R78.htm</HtmlFileName>
      <LongName>996052 - Disclosure - Financial Information of the Parent Company - Schedule of Parent Company Balance Sheets (Parentheticals) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.UniversePharmaceuticalsINC.com/role/ScheduleofParentCompanyBalanceSheetsTable_Parentheticals</Role>
      <ShortName>Financial Information of the Parent Company - Schedule of Parent Company Balance Sheets (Parentheticals) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>78</Position>
    </Report>
    <Report instance="ea0299049-6k_universe.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R79.htm</HtmlFileName>
      <LongName>996053 - Disclosure - Financial Information of the Parent Company - Schedule of Parent Company Statements of Operations and Comprehensive Loss (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.UniversePharmaceuticalsINC.com/role/ScheduleofParentCompanyStatementsofOperationsandComprehensiveLossTable</Role>
      <ShortName>Financial Information of the Parent Company - Schedule of Parent Company Statements of Operations and Comprehensive Loss (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>79</Position>
    </Report>
    <Report instance="ea0299049-6k_universe.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R80.htm</HtmlFileName>
      <LongName>996054 - Disclosure - Financial Information of the Parent Company - Schedule of Parent Company Statements of Cash Flows (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.UniversePharmaceuticalsINC.com/role/ScheduleofParentCompanyStatementsofCashFlowsTable</Role>
      <ShortName>Financial Information of the Parent Company - Schedule of Parent Company Statements of Cash Flows (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>80</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="6-K" isDefinitelyFs="true" isUsgaap="true" original="ea0299049-6k_universe.htm">ea0299049-6k_universe.htm</File>
    <File doctype="6-K" isDefinitelyFs="true" isUsgaap="true" original="ea029904901ex99-1.htm">ea029904901ex99-1.htm</File>
    <File>upc-20260331.xsd</File>
    <File>upc-20260331_cal.xml</File>
    <File>upc-20260331_def.xml</File>
    <File>upc-20260331_lab.xml</File>
    <File>upc-20260331_pre.xml</File>
  </InputFiles>
  <SupplementalFiles/>
  <BaseTaxonomies>
    <BaseTaxonomy items="4">http://fasb.org/srt/2026</BaseTaxonomy>
    <BaseTaxonomy items="927">http://fasb.org/us-gaap/2026</BaseTaxonomy>
    <BaseTaxonomy items="12">http://xbrl.sec.gov/dei/2026</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
