<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.22.1</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>308</ContextCount>
  <ElementCount>425</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>false</FootnotesReported>
  <SegmentCount>116</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>8</UnitCount>
  <MyReports>
    <Report instance="form10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>0001 - Document - Document and Entity Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://susglobalenergy.com/role/DocumentAndEntityInformation</Role>
      <ShortName>Document and Entity Information</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report instance="form10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>0002 - Statement - Consolidated Balance Sheets</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://susglobalenergy.com/role/InterimCondensedConsolidatedBalanceSheets</Role>
      <ShortName>Consolidated Balance Sheets</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>2</Position>
    </Report>
    <Report instance="form10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>0003 - Statement - Consolidated Balance Sheets (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://susglobalenergy.com/role/InterimCondensedConsolidatedBalanceSheetsParenthetical</Role>
      <ShortName>Consolidated Balance Sheets (Parenthetical)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>3</Position>
    </Report>
    <Report instance="form10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>0004 - Statement - Consolidated Statements of Operations and Comprehensive Loss</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://susglobalenergy.com/role/InterimCondensedConsolidatedStatementsOfOperationsAndComprehensiveLoss</Role>
      <ShortName>Consolidated Statements of Operations and Comprehensive Loss</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>4</Position>
    </Report>
    <Report instance="form10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>0005 - Statement - Consolidated Statements of Changes in Stockholders' Equity</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://susglobalenergy.com/role/InterimCondensedConsolidatedStatementsOfChangesInStockholdersEquity</Role>
      <ShortName>Consolidated Statements of Changes in Stockholders' Equity</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>5</Position>
    </Report>
    <Report instance="form10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>0006 - Statement - Consolidated Statements of Cash Flows</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://susglobalenergy.com/role/InterimCondensedConsolidatedStatementsOfCashFlows</Role>
      <ShortName>Consolidated Statements of Cash Flows</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>6</Position>
    </Report>
    <Report instance="form10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>0007 - Disclosure - Nature of Business and Basis of Presentation</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://susglobalenergy.com/role/NatureOfBusinessAndBasisOfPresentation</Role>
      <ShortName>Nature of Business and Basis of Presentation</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>7</Position>
    </Report>
    <Report instance="form10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>0008 - Disclosure - Going Concern</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://susglobalenergy.com/role/GoingConcern</Role>
      <ShortName>Going Concern</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>8</Position>
    </Report>
    <Report instance="form10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>0009 - Disclosure - Recently Adopted Accounting Pronouncements</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://susglobalenergy.com/role/RecentAdoptedAccountingPronouncements</Role>
      <ShortName>Recently Adopted Accounting Pronouncements</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>9</Position>
    </Report>
    <Report instance="form10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>0010 - Disclosure - Significant Accounting Policies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://susglobalenergy.com/role/SignificantAccountingPolicies</Role>
      <ShortName>Significant Accounting Policies</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>10</Position>
    </Report>
    <Report instance="form10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>0011 - Disclosure - Recent Accounting Pronouncements</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://susglobalenergy.com/role/RecentAccountingPronouncements</Role>
      <ShortName>Recent Accounting Pronouncements</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>11</Position>
    </Report>
    <Report instance="form10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>0012 - Disclosure - Financial Instruments</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://susglobalenergy.com/role/FinancialInstruments</Role>
      <ShortName>Financial Instruments</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>12</Position>
    </Report>
    <Report instance="form10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>0013 - Disclosure - Prepaid Expenses and Deposits</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://susglobalenergy.com/role/PrepaidExpensesAndDeposits</Role>
      <ShortName>Prepaid Expenses and Deposits</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>13</Position>
    </Report>
    <Report instance="form10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>0014 - Disclosure - Intangible Assets</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://susglobalenergy.com/role/IntangibleAssets</Role>
      <ShortName>Intangible Assets</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>14</Position>
    </Report>
    <Report instance="form10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>0015 - Disclosure - Long-lived Assets, net</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://susglobalenergy.com/role/LongLivedAssetsNet</Role>
      <ShortName>Long-lived Assets, net</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>15</Position>
    </Report>
    <Report instance="form10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>0016 - Disclosure - Related Party Transactions</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://susglobalenergy.com/role/RelatedPartyTransactions</Role>
      <ShortName>Related Party Transactions</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>16</Position>
    </Report>
    <Report instance="form10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>0017 - Disclosure - Advance</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://susglobalenergy.com/role/Advance</Role>
      <ShortName>Advance</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>17</Position>
    </Report>
    <Report instance="form10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>0018 - Disclosure - Long-Term Debt</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://susglobalenergy.com/role/LongTermDebt</Role>
      <ShortName>Long-Term Debt</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>18</Position>
    </Report>
    <Report instance="form10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>0019 - Disclosure - Obligations under Capital Lease</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://susglobalenergy.com/role/ObligationsUnderCapitalLease</Role>
      <ShortName>Obligations under Capital Lease</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>19</Position>
    </Report>
    <Report instance="form10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>0020 - Disclosure - Convertible Promissory Notes</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://susglobalenergy.com/role/ConvertiblePromissoryNotes</Role>
      <ShortName>Convertible Promissory Notes</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>20</Position>
    </Report>
    <Report instance="form10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>0021 - Disclosure - Fair Value Measurement</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://susglobalenergy.com/role/FairValueMeasurement</Role>
      <ShortName>Fair Value Measurement</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>21</Position>
    </Report>
    <Report instance="form10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>0022 - Disclosure - Loans Payable to Related Parties</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://susglobalenergy.com/role/LoansPayableToRelatedParty</Role>
      <ShortName>Loans Payable to Related Parties</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>22</Position>
    </Report>
    <Report instance="form10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>0023 - Disclosure - Capital Stock</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://susglobalenergy.com/role/CapitalStock</Role>
      <ShortName>Capital Stock</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>23</Position>
    </Report>
    <Report instance="form10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>0024 - Disclosure - Commitments</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://susglobalenergy.com/role/Commitments</Role>
      <ShortName>Commitments</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>24</Position>
    </Report>
    <Report instance="form10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>0025 - Disclosure - Other (Loss) Income</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://susglobalenergy.com/role/OtherIncome</Role>
      <ShortName>Other (Loss) Income</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>25</Position>
    </Report>
    <Report instance="form10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>0026 - Disclosure - Income Taxes</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://susglobalenergy.com/role/NotesToFinancialStatementsIncomeTaxDisclosureTextBlock</Role>
      <ShortName>Income Taxes</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>26</Position>
    </Report>
    <Report instance="form10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.htm</HtmlFileName>
      <LongName>0027 - Disclosure - Segmented Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://susglobalenergy.com/role/NotesToFinancialStatementsSegmentReportingDisclosureTextBlock</Role>
      <ShortName>Segmented Information</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>27</Position>
    </Report>
    <Report instance="form10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>0028 - Disclosure - Economic Dependence</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://susglobalenergy.com/role/EconomicDependence</Role>
      <ShortName>Economic Dependence</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>28</Position>
    </Report>
    <Report instance="form10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>0029 - Disclosure - Legal Proceeding</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://susglobalenergy.com/role/LegalProceeding</Role>
      <ShortName>Legal Proceeding</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>29</Position>
    </Report>
    <Report instance="form10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>0030 - Disclosure - Subsequent Events</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://susglobalenergy.com/role/SubsequentEvents</Role>
      <ShortName>Subsequent Events</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>30</Position>
    </Report>
    <Report instance="form10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>0034 - Disclosure - Significant Accounting Policies (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://susglobalenergy.com/role/NotesToFinancialStatementsSignificantAccountingPoliciesTextBlockPolicies</Role>
      <ShortName>Significant Accounting Policies (Policies)</ShortName>
      <MenuCategory>Policies</MenuCategory>
      <ParentRole>http://susglobalenergy.com/role/RecentAdoptedAccountingPronouncements</ParentRole>
      <Position>31</Position>
    </Report>
    <Report instance="form10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R32.htm</HtmlFileName>
      <LongName>0035 - Disclosure - Significant Accounting Policies (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://susglobalenergy.com/role/NotesToFinancialStatementsSignificantAccountingPoliciesTextBlockTables</Role>
      <ShortName>Significant Accounting Policies (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://susglobalenergy.com/role/SignificantAccountingPolicies</ParentRole>
      <Position>32</Position>
    </Report>
    <Report instance="form10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>0037 - Disclosure - Intangible Assets (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://susglobalenergy.com/role/IntangibleAssetsTables</Role>
      <ShortName>Intangible Assets (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://susglobalenergy.com/role/IntangibleAssets</ParentRole>
      <Position>33</Position>
    </Report>
    <Report instance="form10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R34.htm</HtmlFileName>
      <LongName>0038 - Disclosure - Long-lived Assets, net (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://susglobalenergy.com/role/LongLivedAssetsNetTables</Role>
      <ShortName>Long-lived Assets, net (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://susglobalenergy.com/role/LongLivedAssetsNet</ParentRole>
      <Position>34</Position>
    </Report>
    <Report instance="form10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R35.htm</HtmlFileName>
      <LongName>0039 - Disclosure - Long-Term Debt (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://susglobalenergy.com/role/LongTermDebtTables</Role>
      <ShortName>Long-Term Debt (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://susglobalenergy.com/role/LongTermDebt</ParentRole>
      <Position>35</Position>
    </Report>
    <Report instance="form10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R36.htm</HtmlFileName>
      <LongName>0040 - Disclosure - Obligations under Capital Lease (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://susglobalenergy.com/role/ObligationsUnderCapitalLeaseTables</Role>
      <ShortName>Obligations under Capital Lease (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://susglobalenergy.com/role/ObligationsUnderCapitalLease</ParentRole>
      <Position>36</Position>
    </Report>
    <Report instance="form10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R37.htm</HtmlFileName>
      <LongName>0041 - Disclosure - Convertible Promissory Notes (Tables)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://susglobalenergy.com/role/ConvertiblePromissoryNotesTables</Role>
      <ShortName>Convertible Promissory Notes (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://susglobalenergy.com/role/ConvertiblePromissoryNotes</ParentRole>
      <Position>37</Position>
    </Report>
    <Report instance="form10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R38.htm</HtmlFileName>
      <LongName>0042 - Disclosure - Fair Value Measurement (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://susglobalenergy.com/role/FairValueMeasurementTables</Role>
      <ShortName>Fair Value Measurement (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://susglobalenergy.com/role/FairValueMeasurement</ParentRole>
      <Position>38</Position>
    </Report>
    <Report instance="form10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R39.htm</HtmlFileName>
      <LongName>0043 - Disclosure - Loans Payable to Related Parties (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://susglobalenergy.com/role/LoansPayableToRelatedPartyTables</Role>
      <ShortName>Loans Payable to Related Parties (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://susglobalenergy.com/role/LoansPayableToRelatedParty</ParentRole>
      <Position>39</Position>
    </Report>
    <Report instance="form10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R40.htm</HtmlFileName>
      <LongName>0044 - Disclosure - Commitments (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://susglobalenergy.com/role/CommitmentsTables</Role>
      <ShortName>Commitments (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://susglobalenergy.com/role/Commitments</ParentRole>
      <Position>40</Position>
    </Report>
    <Report instance="form10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R41.htm</HtmlFileName>
      <LongName>0045 - Disclosure - Other (Loss) Income (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://susglobalenergy.com/role/OtherIncomeTables</Role>
      <ShortName>Other (Loss) Income (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://susglobalenergy.com/role/OtherIncome</ParentRole>
      <Position>41</Position>
    </Report>
    <Report instance="form10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R42.htm</HtmlFileName>
      <LongName>0046 - Disclosure - Income Taxes (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://susglobalenergy.com/role/NotesToFinancialStatementsIncomeTaxDisclosureTextBlockTables</Role>
      <ShortName>Income Taxes (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://susglobalenergy.com/role/NotesToFinancialStatementsIncomeTaxDisclosureTextBlock</ParentRole>
      <Position>42</Position>
    </Report>
    <Report instance="form10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R43.htm</HtmlFileName>
      <LongName>0047 - Disclosure - Going Concern (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://susglobalenergy.com/role/GoingConcernNarrativeDetails</Role>
      <ShortName>Going Concern (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://susglobalenergy.com/role/GoingConcern</ParentRole>
      <Position>43</Position>
    </Report>
    <Report instance="form10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R44.htm</HtmlFileName>
      <LongName>0049 - Disclosure - Significant Accounting Policies (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://susglobalenergy.com/role/SignificantAccountingPoliciesNarrativeDetails</Role>
      <ShortName>Significant Accounting Policies (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://susglobalenergy.com/role/NotesToFinancialStatementsSignificantAccountingPoliciesTextBlockTables</ParentRole>
      <Position>44</Position>
    </Report>
    <Report instance="form10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R45.htm</HtmlFileName>
      <LongName>0050 - Disclosure - Significant Accounting Policies - Schedule of Depreciation Computed on Straight-Line Method Over Estimated Useful Life (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://susglobalenergy.com/role/SignificantAccountingPoliciesDepreciationComputedOnStraightLineMethodOverEstimatedUsefulLifeDetails</Role>
      <ShortName>Significant Accounting Policies - Schedule of Depreciation Computed on Straight-Line Method Over Estimated Useful Life (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>45</Position>
    </Report>
    <Report instance="form10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R46.htm</HtmlFileName>
      <LongName>0051 - Disclosure - Financial Instruments (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://susglobalenergy.com/role/DisclosureFinancialInstrumentsDisclosureTextBlockDetails</Role>
      <ShortName>Financial Instruments (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://susglobalenergy.com/role/FinancialInstruments</ParentRole>
      <Position>46</Position>
    </Report>
    <Report instance="form10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R47.htm</HtmlFileName>
      <LongName>0052 - Disclosure - Prepaid Expenses and Deposits (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://susglobalenergy.com/role/PrepaidExpensesAndDepositsDetailTextuals</Role>
      <ShortName>Prepaid Expenses and Deposits (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://susglobalenergy.com/role/PrepaidExpensesAndDeposits</ParentRole>
      <Position>47</Position>
    </Report>
    <Report instance="form10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R48.htm</HtmlFileName>
      <LongName>0056 - Disclosure - Intangible Assets (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://susglobalenergy.com/role/DisclosureIntangibleAssetsDisclosureTextBlockDetails</Role>
      <ShortName>Intangible Assets (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://susglobalenergy.com/role/IntangibleAssetsTables</ParentRole>
      <Position>48</Position>
    </Report>
    <Report instance="form10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R49.htm</HtmlFileName>
      <LongName>0057 - Disclosure - Intangible Assets - Schedule of Finite-Lived Intangible Assets (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://susglobalenergy.com/role/IntangibleAssetsScheduleOfFiniteLivedIntangibleAssetsDetails</Role>
      <ShortName>Intangible Assets - Schedule of Finite-Lived Intangible Assets (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>49</Position>
    </Report>
    <Report instance="form10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R50.htm</HtmlFileName>
      <LongName>0058 - Disclosure - Long-lived Assets, net (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://susglobalenergy.com/role/LonglivedAssetsNetNarrativeDetails</Role>
      <ShortName>Long-lived Assets, net (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://susglobalenergy.com/role/LongLivedAssetsNetTables</ParentRole>
      <Position>50</Position>
    </Report>
    <Report instance="form10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R51.htm</HtmlFileName>
      <LongName>0059 - Disclosure - Long-lived Assets, net - Schedule of long-lived assets (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://susglobalenergy.com/role/LonglivedAssetsNetScheduleOfLonglivedAssetsDetails</Role>
      <ShortName>Long-lived Assets, net - Schedule of long-lived assets (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>51</Position>
    </Report>
    <Report instance="form10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R52.htm</HtmlFileName>
      <LongName>0060 - Disclosure - Related Party Transactions (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://susglobalenergy.com/role/DisclosureRelatedPartyTransactionsDisclosureTextBlockDetails</Role>
      <ShortName>Related Party Transactions (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://susglobalenergy.com/role/RelatedPartyTransactions</ParentRole>
      <Position>52</Position>
    </Report>
    <Report instance="form10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R53.htm</HtmlFileName>
      <LongName>0061 - Disclosure - Advance (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://susglobalenergy.com/role/AdvanceDetails</Role>
      <ShortName>Advance (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://susglobalenergy.com/role/Advance</ParentRole>
      <Position>53</Position>
    </Report>
    <Report instance="form10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R54.htm</HtmlFileName>
      <LongName>0062 - Disclosure - Long-Term Debt (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://susglobalenergy.com/role/DisclosureLongTermDebtTextBlockDetails</Role>
      <ShortName>Long-Term Debt (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://susglobalenergy.com/role/LongTermDebtTables</ParentRole>
      <Position>54</Position>
    </Report>
    <Report instance="form10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R55.htm</HtmlFileName>
      <LongName>0063 - Disclosure - Long-Term Debt - Schedule of long-term debt instruments (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://susglobalenergy.com/role/LongTermDebtScheduleOfLongtermDebtInstrumentsDetails</Role>
      <ShortName>Long-Term Debt - Schedule of long-term debt instruments (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>55</Position>
    </Report>
    <Report instance="form10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R56.htm</HtmlFileName>
      <LongName>0064 - Disclosure - Obligations under Capital Lease (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://susglobalenergy.com/role/DisclosureDebtAndCapitalLeasesDisclosuresTextBlockDetails</Role>
      <ShortName>Obligations under Capital Lease (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://susglobalenergy.com/role/ObligationsUnderCapitalLeaseTables</ParentRole>
      <Position>56</Position>
    </Report>
    <Report instance="form10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R57.htm</HtmlFileName>
      <LongName>0065 - Disclosure - Obligations under Capital Lease - Schedule of Obligations under Capital Lease (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://susglobalenergy.com/role/ObligationsUnderCapitalLeaseScheduleOfObligationsUnderCapitalLeaseDetails</Role>
      <ShortName>Obligations under Capital Lease - Schedule of Obligations under Capital Lease (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>57</Position>
    </Report>
    <Report instance="form10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R58.htm</HtmlFileName>
      <LongName>0066 - Disclosure - Obligations under Capital Lease - Schedule of Future Minimum Lease Payments for Capital Leases (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://susglobalenergy.com/role/ObligationsUnderCapitalLeaseScheduleOfFutureMinimumLeasePaymentsForCapitalLeasesDetails</Role>
      <ShortName>Obligations under Capital Lease - Schedule of Future Minimum Lease Payments for Capital Leases (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>58</Position>
    </Report>
    <Report instance="form10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R59.htm</HtmlFileName>
      <LongName>0067 - Disclosure - Convertible Promissory Notes (Narrative) (Details)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://susglobalenergy.com/role/ConvertiblePromissoryNotesNarrativeDetails</Role>
      <ShortName>Convertible Promissory Notes (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://susglobalenergy.com/role/ConvertiblePromissoryNotesTables</ParentRole>
      <Position>59</Position>
    </Report>
    <Report instance="form10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R60.htm</HtmlFileName>
      <LongName>0068 - Disclosure - Convertible Promissory Notes - Schedule of Convertible Promissory Notes (Details)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://susglobalenergy.com/role/ConvertiblePromissoryNotesScheduleOfConvertiblePromissoryNotesDetails</Role>
      <ShortName>Convertible Promissory Notes - Schedule of Convertible Promissory Notes (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>60</Position>
    </Report>
    <Report instance="form10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R61.htm</HtmlFileName>
      <LongName>0069 - Disclosure - Fair Value Measurement (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://susglobalenergy.com/role/FairValueMeasurementDetailTextuals</Role>
      <ShortName>Fair Value Measurement (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://susglobalenergy.com/role/FairValueMeasurementTables</ParentRole>
      <Position>61</Position>
    </Report>
    <Report instance="form10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R62.htm</HtmlFileName>
      <LongName>0070 - Disclosure - Fair Value Measurement - Schedule of fair value on a recurring basis (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://susglobalenergy.com/role/FairValueMeasurementDetails</Role>
      <ShortName>Fair Value Measurement - Schedule of fair value on a recurring basis (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>62</Position>
    </Report>
    <Report instance="form10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R63.htm</HtmlFileName>
      <LongName>0071 - Disclosure - Fair Value Measurement - Schedule of Summarizes change in Level 3 financial instruments (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://susglobalenergy.com/role/FairValueMeasurementDetails1</Role>
      <ShortName>Fair Value Measurement - Schedule of Summarizes change in Level 3 financial instruments (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>63</Position>
    </Report>
    <Report instance="form10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R64.htm</HtmlFileName>
      <LongName>0072 - Disclosure - Loans Payable to Related Parties (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://susglobalenergy.com/role/DisclosureLoansPayableToRelatedPartyTextBlockDetails</Role>
      <ShortName>Loans Payable to Related Parties (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://susglobalenergy.com/role/LoansPayableToRelatedPartyTables</ParentRole>
      <Position>64</Position>
    </Report>
    <Report instance="form10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R65.htm</HtmlFileName>
      <LongName>0073 - Disclosure - Loans Payable to Related Parties - Schedule of Related Party Transactions (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://susglobalenergy.com/role/LoansPayableToRelatedPartyScheduleOfRelatedPartyTransactionsDetails</Role>
      <ShortName>Loans Payable to Related Parties - Schedule of Related Party Transactions (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>65</Position>
    </Report>
    <Report instance="form10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R66.htm</HtmlFileName>
      <LongName>0074 - Disclosure - Capital Stock (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://susglobalenergy.com/role/DisclosureStockholdersEquityNoteDisclosureTextBlockDetails</Role>
      <ShortName>Capital Stock (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://susglobalenergy.com/role/CapitalStock</ParentRole>
      <Position>66</Position>
    </Report>
    <Report instance="form10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R67.htm</HtmlFileName>
      <LongName>0075 - Disclosure - Commitments (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://susglobalenergy.com/role/DisclosureCommitmentsDisclosureTextBlockDetails</Role>
      <ShortName>Commitments (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://susglobalenergy.com/role/CommitmentsTables</ParentRole>
      <Position>67</Position>
    </Report>
    <Report instance="form10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R68.htm</HtmlFileName>
      <LongName>0076 - Disclosure - Commitments - Schedule of commitments (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://susglobalenergy.com/role/CommitmentsScheduleOfCommitmentsDetails</Role>
      <ShortName>Commitments - Schedule of commitments (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>68</Position>
    </Report>
    <Report instance="form10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R69.htm</HtmlFileName>
      <LongName>0077 - Disclosure - Other (Loss) Income (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://susglobalenergy.com/role/OtherIncomeDetailTextuals</Role>
      <ShortName>Other (Loss) Income (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://susglobalenergy.com/role/OtherIncomeTables</ParentRole>
      <Position>69</Position>
    </Report>
    <Report instance="form10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R70.htm</HtmlFileName>
      <LongName>0078 - Disclosure - Other (Loss) Income - Schedule of Other Income (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://susglobalenergy.com/role/OtherIncomeDetails</Role>
      <ShortName>Other (Loss) Income - Schedule of Other Income (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://susglobalenergy.com/role/OtherIncomeTables</ParentRole>
      <Position>70</Position>
    </Report>
    <Report instance="form10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R71.htm</HtmlFileName>
      <LongName>0079 - Disclosure - Income Taxes (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://susglobalenergy.com/role/DisclosureIncomeTaxDisclosureTextBlockDetails</Role>
      <ShortName>Income Taxes (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://susglobalenergy.com/role/NotesToFinancialStatementsIncomeTaxDisclosureTextBlockTables</ParentRole>
      <Position>71</Position>
    </Report>
    <Report instance="form10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R72.htm</HtmlFileName>
      <LongName>0080 - Disclosure - Income Taxes - Schedule of Effective Income Tax Rate Reconciliation (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://susglobalenergy.com/role/IncomeTaxesEffectiveIncomeTaxRateReconciliationDetails</Role>
      <ShortName>Income Taxes - Schedule of Effective Income Tax Rate Reconciliation (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>72</Position>
    </Report>
    <Report instance="form10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R73.htm</HtmlFileName>
      <LongName>0081 - Disclosure - Income Taxes - Schedule of Income tax provision allocation (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://susglobalenergy.com/role/IncomeTaxesIncomeTaxProvisionAllocationDetails</Role>
      <ShortName>Income Taxes - Schedule of Income tax provision allocation (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>73</Position>
    </Report>
    <Report instance="form10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R74.htm</HtmlFileName>
      <LongName>0082 - Disclosure - Income Taxes - Schedule of Income Taxes - Deferred Tax Assets and Liabilities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://susglobalenergy.com/role/IncomeTaxesScheduleOfIncomeTaxesDeferredTaxAssetsAndLiabilitiesDetails</Role>
      <ShortName>Income Taxes - Schedule of Income Taxes - Deferred Tax Assets and Liabilities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>74</Position>
    </Report>
    <Report instance="form10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R75.htm</HtmlFileName>
      <LongName>0083 - Disclosure - Income Taxes - Schedule of Movement in deferred income tax liabilities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://susglobalenergy.com/role/IncomeTaxesMovementInDeferredIncomeTaxLiabilitiesDetails</Role>
      <ShortName>Income Taxes - Schedule of Movement in deferred income tax liabilities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>75</Position>
    </Report>
    <Report instance="form10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R76.htm</HtmlFileName>
      <LongName>0084 - Disclosure - Economic Dependence (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://susglobalenergy.com/role/DisclosureConcentrationRiskDisclosureTextBlockDetails</Role>
      <ShortName>Economic Dependence (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://susglobalenergy.com/role/EconomicDependence</ParentRole>
      <Position>76</Position>
    </Report>
    <Report instance="form10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R77.htm</HtmlFileName>
      <LongName>0085 - Disclosure - Legal Proceeding (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://susglobalenergy.com/role/LegalProceedingDetailTextuals</Role>
      <ShortName>Legal Proceeding (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://susglobalenergy.com/role/LegalProceeding</ParentRole>
      <Position>77</Position>
    </Report>
    <Report instance="form10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R78.htm</HtmlFileName>
      <LongName>0086 - Disclosure - Subsequent Events (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://susglobalenergy.com/role/SubsequentEventsNarrativeDetails</Role>
      <ShortName>Subsequent Events (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://susglobalenergy.com/role/SubsequentEvents</ParentRole>
      <Position>78</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <InputFiles>
    <File doctype="10-K" original="form10k.htm">form10k.htm</File>
    <File>exhibit31-1.htm</File>
    <File>exhibit31-2.htm</File>
    <File>exhibit32.htm</File>
    <File>susg-20211231.xsd</File>
    <File>susg-20211231_cal.xml</File>
    <File>susg-20211231_def.xml</File>
    <File>susg-20211231_lab.xml</File>
    <File>susg-20211231_pre.xml</File>
  </InputFiles>
  <SupplementalFiles>
    <File>form10kxz001.jpg</File>
    <File>form10kxz002.jpg</File>
    <File>form10kxz003.jpg</File>
    <File>form10kxz004.jpg</File>
  </SupplementalFiles>
  <BaseTaxonomies>
    <BaseTaxonomy items="910">http://fasb.org/us-gaap/2021-01-31</BaseTaxonomy>
    <BaseTaxonomy items="35">http://xbrl.sec.gov/dei/2021q4</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
