<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.24.0.1</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>381</ContextCount>
  <ElementCount>518</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>false</FootnotesReported>
  <SegmentCount>108</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>4</UnitCount>
  <MyReports>
    <Report instance="f10k2023_bantecinc.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.bantecinc.com/role/DocumentAndEntityInformation</Role>
      <ShortName>Document And Entity Information</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report instance="f10k2023_bantecinc.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>001 - Statement - Consolidated Balance Sheets</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bantecinc.com/role/ConsolidatedBalanceSheet</Role>
      <ShortName>Consolidated Balance Sheets</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>2</Position>
    </Report>
    <Report instance="f10k2023_bantecinc.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>002 - Statement - Consolidated Balance Sheets (Parentheticals)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bantecinc.com/role/ConsolidatedBalanceSheet_Parentheticals</Role>
      <ShortName>Consolidated Balance Sheets (Parentheticals)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>3</Position>
    </Report>
    <Report instance="f10k2023_bantecinc.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>003 - Statement - Consolidated Statements of Operations and Comprehensive Income (Loss)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bantecinc.com/role/ConsolidatedIncomeStatement</Role>
      <ShortName>Consolidated Statements of Operations and Comprehensive Income (Loss)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>4</Position>
    </Report>
    <Report instance="f10k2023_bantecinc.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>004 - Statement - Consolidated Statements of Operations and Comprehensive Income (Loss) (Parentheticals)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bantecinc.com/role/ConsolidatedIncomeStatement_Parentheticals</Role>
      <ShortName>Consolidated Statements of Operations and Comprehensive Income (Loss) (Parentheticals)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>5</Position>
    </Report>
    <Report instance="f10k2023_bantecinc.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>005 - Statement - Consolidated Statements of Changes in Stockholders??? Deficit</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bantecinc.com/role/ShareholdersEquityType2or3</Role>
      <ShortName>Consolidated Statements of Changes in Stockholders??? Deficit</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>6</Position>
    </Report>
    <Report instance="f10k2023_bantecinc.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>006 - Statement - Consolidated Statements of Cash Flows</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bantecinc.com/role/ConsolidatedCashFlow</Role>
      <ShortName>Consolidated Statements of Cash Flows</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>7</Position>
    </Report>
    <Report instance="f10k2023_bantecinc.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>007 - Disclosure - Nature of Operations</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bantecinc.com/role/NatureofOperations</Role>
      <ShortName>Nature of Operations</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>8</Position>
    </Report>
    <Report instance="f10k2023_bantecinc.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>008 - Disclosure - Summary of Significant Accounting Policies and Going Concern</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bantecinc.com/role/SummaryofSignificantAccountingPoliciesandGoingConcern</Role>
      <ShortName>Summary of Significant Accounting Policies and Going Concern</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>9</Position>
    </Report>
    <Report instance="f10k2023_bantecinc.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>009 - Disclosure - Accounts Receivable, Net</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bantecinc.com/role/AccountsReceivableNet</Role>
      <ShortName>Accounts Receivable, Net</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>10</Position>
    </Report>
    <Report instance="f10k2023_bantecinc.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>010 - Disclosure - Inventory</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bantecinc.com/role/Inventory</Role>
      <ShortName>Inventory</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>11</Position>
    </Report>
    <Report instance="f10k2023_bantecinc.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>011 - Disclosure - Intangible Assets</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bantecinc.com/role/IntangibleAssets</Role>
      <ShortName>Intangible Assets</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>12</Position>
    </Report>
    <Report instance="f10k2023_bantecinc.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>012 - Disclosure - Line of Credit - Bank</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bantecinc.com/role/LineofCreditBank</Role>
      <ShortName>Line of Credit - Bank</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>13</Position>
    </Report>
    <Report instance="f10k2023_bantecinc.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>013 - Disclosure - Settlements</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bantecinc.com/role/Settlements</Role>
      <ShortName>Settlements</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>14</Position>
    </Report>
    <Report instance="f10k2023_bantecinc.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>014 - Disclosure - Note Payable ??? Seller</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bantecinc.com/role/NotePayableSeller</Role>
      <ShortName>Note Payable ??? Seller</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>15</Position>
    </Report>
    <Report instance="f10k2023_bantecinc.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>015 - Disclosure - Promissory Notes Payable ??? Related Party Officer and his Affiliates</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.bantecinc.com/role/PromissoryNotesPayableRelatedPartyOfficerandhisAffiliates</Role>
      <ShortName>Promissory Notes Payable ??? Related Party Officer and his Affiliates</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>16</Position>
    </Report>
    <Report instance="f10k2023_bantecinc.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>016 - Disclosure - Convertible Notes Payable and Advisory Fee Liabilities</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.bantecinc.com/role/ConvertibleNotesPayableandAdvisoryFeeLiabilities</Role>
      <ShortName>Convertible Notes Payable and Advisory Fee Liabilities</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>17</Position>
    </Report>
    <Report instance="f10k2023_bantecinc.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>017 - Disclosure - Notes and Loans Payable</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.bantecinc.com/role/NotesandLoansPayable</Role>
      <ShortName>Notes and Loans Payable</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>18</Position>
    </Report>
    <Report instance="f10k2023_bantecinc.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>018 - Disclosure - Series B and Series C Preferred Stock</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bantecinc.com/role/SeriesBandSeriesCPreferredStock</Role>
      <ShortName>Series B and Series C Preferred Stock</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>19</Position>
    </Report>
    <Report instance="f10k2023_bantecinc.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>019 - Disclosure - Stockholders' Deficit</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bantecinc.com/role/StockholdersDeficit</Role>
      <ShortName>Stockholders' Deficit</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>20</Position>
    </Report>
    <Report instance="f10k2023_bantecinc.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>020 - Disclosure - Related Party Transactions</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bantecinc.com/role/RelatedPartyTransactions</Role>
      <ShortName>Related Party Transactions</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>21</Position>
    </Report>
    <Report instance="f10k2023_bantecinc.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>021 - Disclosure - Commitments and Contingencies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bantecinc.com/role/CommitmentsandContingencies</Role>
      <ShortName>Commitments and Contingencies</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>22</Position>
    </Report>
    <Report instance="f10k2023_bantecinc.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>022 - Disclosure - Concentrations</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bantecinc.com/role/Concentrations</Role>
      <ShortName>Concentrations</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>23</Position>
    </Report>
    <Report instance="f10k2023_bantecinc.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>023 - Disclosure - Income Taxes</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bantecinc.com/role/IncomeTaxes</Role>
      <ShortName>Income Taxes</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>24</Position>
    </Report>
    <Report instance="f10k2023_bantecinc.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>024 - Disclosure - Subsequent Events</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bantecinc.com/role/SubsequentEvents</Role>
      <ShortName>Subsequent Events</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>25</Position>
    </Report>
    <Report instance="f10k2023_bantecinc.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>025 - Disclosure - Accounting Policies, by Policy (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bantecinc.com/role/AccountingPoliciesByPolicy</Role>
      <ShortName>Accounting Policies, by Policy (Policies)</ShortName>
      <MenuCategory>Policies</MenuCategory>
      <ParentRole>http://www.bantecinc.com/role/SummaryofSignificantAccountingPoliciesandGoingConcern</ParentRole>
      <Position>26</Position>
    </Report>
    <Report instance="f10k2023_bantecinc.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.htm</HtmlFileName>
      <LongName>026 - Disclosure - Summary of Significant Accounting Policies and Going Concern (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bantecinc.com/role/SummaryofSignificantAccountingPoliciesandGoingConcernTables</Role>
      <ShortName>Summary of Significant Accounting Policies and Going Concern (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.bantecinc.com/role/SummaryofSignificantAccountingPoliciesandGoingConcern</ParentRole>
      <Position>27</Position>
    </Report>
    <Report instance="f10k2023_bantecinc.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>027 - Disclosure - Accounts Receivable, Net (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bantecinc.com/role/AccountsReceivableNetTables</Role>
      <ShortName>Accounts Receivable, Net (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.bantecinc.com/role/AccountsReceivableNet</ParentRole>
      <Position>28</Position>
    </Report>
    <Report instance="f10k2023_bantecinc.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>028 - Disclosure - Promissory Notes Payable ??? Related Party Officer and his Affiliates (Tables)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.bantecinc.com/role/PromissoryNotesPayableRelatedPartyOfficerandhisAffiliatesTables</Role>
      <ShortName>Promissory Notes Payable ??? Related Party Officer and his Affiliates (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.bantecinc.com/role/PromissoryNotesPayableRelatedPartyOfficerandhisAffiliates</ParentRole>
      <Position>29</Position>
    </Report>
    <Report instance="f10k2023_bantecinc.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>029 - Disclosure - Convertible Notes Payable and Advisory Fee Liabilities (Tables)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.bantecinc.com/role/ConvertibleNotesPayableandAdvisoryFeeLiabilitiesTables</Role>
      <ShortName>Convertible Notes Payable and Advisory Fee Liabilities (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.bantecinc.com/role/ConvertibleNotesPayableandAdvisoryFeeLiabilities</ParentRole>
      <Position>30</Position>
    </Report>
    <Report instance="f10k2023_bantecinc.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>030 - Disclosure - Notes and Loans Payable (Tables)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.bantecinc.com/role/NotesandLoansPayableTables</Role>
      <ShortName>Notes and Loans Payable (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.bantecinc.com/role/NotesandLoansPayable</ParentRole>
      <Position>31</Position>
    </Report>
    <Report instance="f10k2023_bantecinc.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R32.htm</HtmlFileName>
      <LongName>031 - Disclosure - Stockholders' Deficit (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bantecinc.com/role/StockholdersDeficitTables</Role>
      <ShortName>Stockholders' Deficit (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.bantecinc.com/role/StockholdersDeficit</ParentRole>
      <Position>32</Position>
    </Report>
    <Report instance="f10k2023_bantecinc.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>032 - Disclosure - Commitments and Contingencies (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bantecinc.com/role/CommitmentsandContingenciesTables</Role>
      <ShortName>Commitments and Contingencies (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.bantecinc.com/role/CommitmentsandContingencies</ParentRole>
      <Position>33</Position>
    </Report>
    <Report instance="f10k2023_bantecinc.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R34.htm</HtmlFileName>
      <LongName>033 - Disclosure - Income Taxes (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bantecinc.com/role/IncomeTaxesTables</Role>
      <ShortName>Income Taxes (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.bantecinc.com/role/IncomeTaxes</ParentRole>
      <Position>34</Position>
    </Report>
    <Report instance="f10k2023_bantecinc.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R35.htm</HtmlFileName>
      <LongName>034 - Disclosure - Nature of Operations (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bantecinc.com/role/NatureofOperationsDetails</Role>
      <ShortName>Nature of Operations (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.bantecinc.com/role/NatureofOperations</ParentRole>
      <Position>35</Position>
    </Report>
    <Report instance="f10k2023_bantecinc.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R36.htm</HtmlFileName>
      <LongName>035 - Disclosure - Summary of Significant Accounting Policies and Going Concern (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bantecinc.com/role/SummaryofSignificantAccountingPoliciesandGoingConcernDetails</Role>
      <ShortName>Summary of Significant Accounting Policies and Going Concern (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.bantecinc.com/role/SummaryofSignificantAccountingPoliciesandGoingConcernTables</ParentRole>
      <Position>36</Position>
    </Report>
    <Report instance="f10k2023_bantecinc.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R37.htm</HtmlFileName>
      <LongName>036 - Disclosure - Summary of Significant Accounting Policies and Going Concern (Details) - Schedule of Level 3 Valuation Financial Instruments</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bantecinc.com/role/ScheduleofLevel3ValuationFinancialInstrumentsTable</Role>
      <ShortName>Summary of Significant Accounting Policies and Going Concern (Details) - Schedule of Level 3 Valuation Financial Instruments</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.bantecinc.com/role/SummaryofSignificantAccountingPoliciesandGoingConcernTables</ParentRole>
      <Position>37</Position>
    </Report>
    <Report instance="f10k2023_bantecinc.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R38.htm</HtmlFileName>
      <LongName>037 - Disclosure - Summary of Significant Accounting Policies and Going Concern (Details) - Schedule of Potentially Dilutive Securities</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bantecinc.com/role/ScheduleofPotentiallyDilutiveSecuritiesTable</Role>
      <ShortName>Summary of Significant Accounting Policies and Going Concern (Details) - Schedule of Potentially Dilutive Securities</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.bantecinc.com/role/SummaryofSignificantAccountingPoliciesandGoingConcernTables</ParentRole>
      <Position>38</Position>
    </Report>
    <Report instance="f10k2023_bantecinc.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R39.htm</HtmlFileName>
      <LongName>038 - Disclosure - Accounts Receivable, Net (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bantecinc.com/role/AccountsReceivableNetDetails</Role>
      <ShortName>Accounts Receivable, Net (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.bantecinc.com/role/AccountsReceivableNetTables</ParentRole>
      <Position>39</Position>
    </Report>
    <Report instance="f10k2023_bantecinc.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R40.htm</HtmlFileName>
      <LongName>039 - Disclosure - Accounts Receivable, Net (Details) - Schedule of Accounts Receivable</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bantecinc.com/role/ScheduleofAccountsReceivableTable</Role>
      <ShortName>Accounts Receivable, Net (Details) - Schedule of Accounts Receivable</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.bantecinc.com/role/AccountsReceivableNetTables</ParentRole>
      <Position>40</Position>
    </Report>
    <Report instance="f10k2023_bantecinc.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R41.htm</HtmlFileName>
      <LongName>040 - Disclosure - Inventory (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bantecinc.com/role/InventoryDetails</Role>
      <ShortName>Inventory (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.bantecinc.com/role/Inventory</ParentRole>
      <Position>41</Position>
    </Report>
    <Report instance="f10k2023_bantecinc.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R42.htm</HtmlFileName>
      <LongName>041 - Disclosure - Intangible Assets (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bantecinc.com/role/IntangibleAssetsDetails</Role>
      <ShortName>Intangible Assets (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.bantecinc.com/role/IntangibleAssets</ParentRole>
      <Position>42</Position>
    </Report>
    <Report instance="f10k2023_bantecinc.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R43.htm</HtmlFileName>
      <LongName>042 - Disclosure - Line of Credit - Bank (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bantecinc.com/role/LineofCreditBankDetails</Role>
      <ShortName>Line of Credit - Bank (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.bantecinc.com/role/LineofCreditBank</ParentRole>
      <Position>43</Position>
    </Report>
    <Report instance="f10k2023_bantecinc.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R44.htm</HtmlFileName>
      <LongName>043 - Disclosure - Settlements (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bantecinc.com/role/SettlementsDetails</Role>
      <ShortName>Settlements (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.bantecinc.com/role/Settlements</ParentRole>
      <Position>44</Position>
    </Report>
    <Report instance="f10k2023_bantecinc.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R45.htm</HtmlFileName>
      <LongName>044 - Disclosure - Note Payable ??? Seller (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bantecinc.com/role/NotePayableSellerDetails</Role>
      <ShortName>Note Payable ??? Seller (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.bantecinc.com/role/NotePayableSeller</ParentRole>
      <Position>45</Position>
    </Report>
    <Report instance="f10k2023_bantecinc.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R46.htm</HtmlFileName>
      <LongName>045 - Disclosure - Promissory Notes Payable ??? Related Party Officer and his Affiliates (Details)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.bantecinc.com/role/PromissoryNotesPayableRelatedPartyOfficerandhisAffiliatesDetails</Role>
      <ShortName>Promissory Notes Payable ??? Related Party Officer and his Affiliates (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.bantecinc.com/role/PromissoryNotesPayableRelatedPartyOfficerandhisAffiliatesTables</ParentRole>
      <Position>46</Position>
    </Report>
    <Report instance="f10k2023_bantecinc.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R47.htm</HtmlFileName>
      <LongName>046 - Disclosure - Promissory Notes Payable ??? Related Party Officer and his Affiliates (Details) - Schedule of Outstanding Balance of Convertible and Other Notes Issued</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.bantecinc.com/role/ScheduleofOutstandingBalanceofConvertibleandOtherNotesIssuedTable</Role>
      <ShortName>Promissory Notes Payable ??? Related Party Officer and his Affiliates (Details) - Schedule of Outstanding Balance of Convertible and Other Notes Issued</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.bantecinc.com/role/PromissoryNotesPayableRelatedPartyOfficerandhisAffiliatesTables</ParentRole>
      <Position>47</Position>
    </Report>
    <Report instance="f10k2023_bantecinc.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R48.htm</HtmlFileName>
      <LongName>047 - Disclosure - Convertible Notes Payable and Advisory Fee Liabilities (Details) - Part 1</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.bantecinc.com/role/ConvertibleNotesPayableandAdvisoryFeeLiabilitiesDetailsPart1</Role>
      <ShortName>Convertible Notes Payable and Advisory Fee Liabilities (Details) - Part 1</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.bantecinc.com/role/ConvertibleNotesPayableandAdvisoryFeeLiabilitiesTables</ParentRole>
      <Position>48</Position>
    </Report>
    <Report instance="f10k2023_bantecinc.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R49.htm</HtmlFileName>
      <LongName>048 - Disclosure - Convertible Notes Payable and Advisory Fee Liabilities (Details) - Part 2</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.bantecinc.com/role/ConvertibleNotesPayableandAdvisoryFeeLiabilitiesDetailsPart2</Role>
      <ShortName>Convertible Notes Payable and Advisory Fee Liabilities (Details) - Part 2</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.bantecinc.com/role/ConvertibleNotesPayableandAdvisoryFeeLiabilitiesTables</ParentRole>
      <Position>49</Position>
    </Report>
    <Report instance="f10k2023_bantecinc.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R50.htm</HtmlFileName>
      <LongName>049 - Disclosure - Convertible Notes Payable and Advisory Fee Liabilities (Details) - Part 3</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.bantecinc.com/role/ConvertibleNotesPayableandAdvisoryFeeLiabilitiesDetailsPart3</Role>
      <ShortName>Convertible Notes Payable and Advisory Fee Liabilities (Details) - Part 3</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.bantecinc.com/role/ConvertibleNotesPayableandAdvisoryFeeLiabilitiesTables</ParentRole>
      <Position>50</Position>
    </Report>
    <Report instance="f10k2023_bantecinc.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R51.htm</HtmlFileName>
      <LongName>050 - Disclosure - Convertible Notes Payable and Advisory Fee Liabilities (Details) - Part 4</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.bantecinc.com/role/ConvertibleNotesPayableandAdvisoryFeeLiabilitiesDetailsPart4</Role>
      <ShortName>Convertible Notes Payable and Advisory Fee Liabilities (Details) - Part 4</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.bantecinc.com/role/ConvertibleNotesPayableandAdvisoryFeeLiabilitiesTables</ParentRole>
      <Position>51</Position>
    </Report>
    <Report instance="f10k2023_bantecinc.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R52.htm</HtmlFileName>
      <LongName>051 - Disclosure - Convertible Notes Payable and Advisory Fee Liabilities (Details) - Schedule of Senior Secured Credit Facility Note Balance and Convertible Debt Balances</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.bantecinc.com/role/ScheduleofSeniorSecuredCreditFacilityNoteBalanceandConvertibleDebtBalancesTable</Role>
      <ShortName>Convertible Notes Payable and Advisory Fee Liabilities (Details) - Schedule of Senior Secured Credit Facility Note Balance and Convertible Debt Balances</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.bantecinc.com/role/ConvertibleNotesPayableandAdvisoryFeeLiabilitiesTables</ParentRole>
      <Position>52</Position>
    </Report>
    <Report instance="f10k2023_bantecinc.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R53.htm</HtmlFileName>
      <LongName>052 - Disclosure - Notes and Loans Payable (Details)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.bantecinc.com/role/NotesandLoansPayableDetails</Role>
      <ShortName>Notes and Loans Payable (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.bantecinc.com/role/NotesandLoansPayableTables</ParentRole>
      <Position>53</Position>
    </Report>
    <Report instance="f10k2023_bantecinc.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R54.htm</HtmlFileName>
      <LongName>053 - Disclosure - Notes and Loans Payable (Details) - Schedule of Loans and Notes Payable</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.bantecinc.com/role/ScheduleofLoansandNotesPayableTable</Role>
      <ShortName>Notes and Loans Payable (Details) - Schedule of Loans and Notes Payable</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.bantecinc.com/role/NotesandLoansPayableTables</ParentRole>
      <Position>54</Position>
    </Report>
    <Report instance="f10k2023_bantecinc.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R55.htm</HtmlFileName>
      <LongName>054 - Disclosure - Series B and Series C Preferred Stock (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bantecinc.com/role/SeriesBandSeriesCPreferredStockDetails</Role>
      <ShortName>Series B and Series C Preferred Stock (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.bantecinc.com/role/SeriesBandSeriesCPreferredStock</ParentRole>
      <Position>55</Position>
    </Report>
    <Report instance="f10k2023_bantecinc.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R56.htm</HtmlFileName>
      <LongName>055 - Disclosure - Stockholders' Deficit (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bantecinc.com/role/StockholdersDeficitDetails</Role>
      <ShortName>Stockholders' Deficit (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.bantecinc.com/role/StockholdersDeficitTables</ParentRole>
      <Position>56</Position>
    </Report>
    <Report instance="f10k2023_bantecinc.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R57.htm</HtmlFileName>
      <LongName>056 - Disclosure - Stockholders' Deficit (Details) - Schedule of Stock Options Activity</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bantecinc.com/role/ScheduleofStockOptionsActivityTable</Role>
      <ShortName>Stockholders' Deficit (Details) - Schedule of Stock Options Activity</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.bantecinc.com/role/StockholdersDeficitTables</ParentRole>
      <Position>57</Position>
    </Report>
    <Report instance="f10k2023_bantecinc.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R58.htm</HtmlFileName>
      <LongName>057 - Disclosure - Stockholders' Deficit (Details) - Schedule of Warrant Activity</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bantecinc.com/role/ScheduleofWarrantActivityTable</Role>
      <ShortName>Stockholders' Deficit (Details) - Schedule of Warrant Activity</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.bantecinc.com/role/StockholdersDeficitTables</ParentRole>
      <Position>58</Position>
    </Report>
    <Report instance="f10k2023_bantecinc.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R59.htm</HtmlFileName>
      <LongName>058 - Disclosure - Related Party Transactions (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bantecinc.com/role/RelatedPartyTransactionsDetails</Role>
      <ShortName>Related Party Transactions (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.bantecinc.com/role/RelatedPartyTransactions</ParentRole>
      <Position>59</Position>
    </Report>
    <Report instance="f10k2023_bantecinc.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R60.htm</HtmlFileName>
      <LongName>059 - Disclosure - Commitments and Contingencies (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bantecinc.com/role/CommitmentsandContingenciesDetails</Role>
      <ShortName>Commitments and Contingencies (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.bantecinc.com/role/CommitmentsandContingenciesTables</ParentRole>
      <Position>60</Position>
    </Report>
    <Report instance="f10k2023_bantecinc.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R61.htm</HtmlFileName>
      <LongName>060 - Disclosure - Commitments and Contingencies (Details) - Schedule of Right of Use Asset</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bantecinc.com/role/ScheduleofRightofUseAssetTable</Role>
      <ShortName>Commitments and Contingencies (Details) - Schedule of Right of Use Asset</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.bantecinc.com/role/CommitmentsandContingenciesTables</ParentRole>
      <Position>61</Position>
    </Report>
    <Report instance="f10k2023_bantecinc.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R62.htm</HtmlFileName>
      <LongName>061 - Disclosure - Commitments and Contingencies (Details) - Schedule of Future Minimum Lease Payments</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bantecinc.com/role/ScheduleofFutureMinimumLeasePaymentsTable</Role>
      <ShortName>Commitments and Contingencies (Details) - Schedule of Future Minimum Lease Payments</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.bantecinc.com/role/CommitmentsandContingenciesTables</ParentRole>
      <Position>62</Position>
    </Report>
    <Report instance="f10k2023_bantecinc.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R63.htm</HtmlFileName>
      <LongName>062 - Disclosure - Concentrations (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bantecinc.com/role/ConcentrationsDetails</Role>
      <ShortName>Concentrations (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.bantecinc.com/role/Concentrations</ParentRole>
      <Position>63</Position>
    </Report>
    <Report instance="f10k2023_bantecinc.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R64.htm</HtmlFileName>
      <LongName>063 - Disclosure - Income Taxes (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bantecinc.com/role/IncomeTaxesDetails</Role>
      <ShortName>Income Taxes (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.bantecinc.com/role/IncomeTaxesTables</ParentRole>
      <Position>64</Position>
    </Report>
    <Report instance="f10k2023_bantecinc.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R65.htm</HtmlFileName>
      <LongName>064 - Disclosure - Income Taxes (Details) - Schedule of Provision for Income Taxes</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bantecinc.com/role/ScheduleofProvisionforIncomeTaxesTable</Role>
      <ShortName>Income Taxes (Details) - Schedule of Provision for Income Taxes</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.bantecinc.com/role/IncomeTaxesTables</ParentRole>
      <Position>65</Position>
    </Report>
    <Report instance="f10k2023_bantecinc.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R66.htm</HtmlFileName>
      <LongName>065 - Disclosure - Income Taxes (Details) - Schedule of Deferred Tax Assets and Liabilities</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bantecinc.com/role/ScheduleofDeferredTaxAssetsandLiabilitiesTable</Role>
      <ShortName>Income Taxes (Details) - Schedule of Deferred Tax Assets and Liabilities</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.bantecinc.com/role/IncomeTaxesTables</ParentRole>
      <Position>66</Position>
    </Report>
    <Report instance="f10k2023_bantecinc.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R67.htm</HtmlFileName>
      <LongName>066 - Disclosure - Subsequent Events (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bantecinc.com/role/SubsequentEventsDetails</Role>
      <ShortName>Subsequent Events (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.bantecinc.com/role/SubsequentEvents</ParentRole>
      <Position>67</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <InputFiles>
    <File>bant-20230930.xsd</File>
    <File>bant-20230930_cal.xml</File>
    <File>bant-20230930_def.xml</File>
    <File>bant-20230930_lab.xml</File>
    <File>bant-20230930_pre.xml</File>
    <File doctype="10-K" isDefinitelyFs="true" isUsgaap="true" original="f10k2023_bantecinc.htm">f10k2023_bantecinc.htm</File>
  </InputFiles>
  <SupplementalFiles>
    <File>img_001.jpg</File>
  </SupplementalFiles>
  <BaseTaxonomies>
    <BaseTaxonomy items="3">http://fasb.org/srt/2023</BaseTaxonomy>
    <BaseTaxonomy items="935">http://fasb.org/us-gaap/2023</BaseTaxonomy>
    <BaseTaxonomy items="35">http://xbrl.sec.gov/dei/2023</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
