<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.26.1</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>237</ContextCount>
  <ElementCount>432</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>true</FootnotesReported>
  <SegmentCount>98</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>11</UnitCount>
  <MyReports>
    <Report instance="jetmf-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>75000 - Document - Document and Entity Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.globalairlinesgroup.com/20251231/taxonomy/role/Role_DocumentDocumentAndEntityInformation</Role>
      <ShortName>Document and Entity Information</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report instance="jetmf-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>75010 - Statement - CONSOLIDATED BALANCE SHEETS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.globalairlinesgroup.com/20251231/taxonomy/role/StatementConsolidatedBalanceSheets</Role>
      <ShortName>CONSOLIDATED BALANCE SHEETS</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>2</Position>
    </Report>
    <Report instance="jetmf-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>75020 - Statement - CONSOLIDATED BALANCE SHEETS (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.globalairlinesgroup.com/20251231/taxonomy/role/StatementConsolidatedBalanceSheetsParenthetical</Role>
      <ShortName>CONSOLIDATED BALANCE SHEETS (Parenthetical)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>3</Position>
    </Report>
    <Report instance="jetmf-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>75030 - Statement - CONSOLIDATED STATEMENT OF OPERATIONS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.globalairlinesgroup.com/20251231/taxonomy/role/StatementConsolidatedStatementOfOperations</Role>
      <ShortName>CONSOLIDATED STATEMENT OF OPERATIONS</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>4</Position>
    </Report>
    <Report instance="jetmf-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>75040 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.globalairlinesgroup.com/20251231/taxonomy/role/StatementConsolidatedStatementsOfCashFlows</Role>
      <ShortName>CONSOLIDATED STATEMENTS OF CASH FLOWS</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>5</Position>
    </Report>
    <Report instance="jetmf-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>75050 - Statement - CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.globalairlinesgroup.com/20251231/taxonomy/role/StatementConsolidatedStatementsOfChangesInShareholdersEquity</Role>
      <ShortName>CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>6</Position>
    </Report>
    <Report instance="jetmf-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>995410 - Disclosure - Pay vs Performance Disclosure</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://xbrl.sec.gov/ecd/role/PvpDisclosure</Role>
      <ShortName>Pay vs Performance Disclosure</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>7</Position>
    </Report>
    <Report instance="jetmf-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>995445 - Disclosure - Insider Trading Arrangements</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements</Role>
      <ShortName>Insider Trading Arrangements</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>8</Position>
    </Report>
    <Report instance="jetmf-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>995447 - Disclosure - Insider Trading Policies and Procedures</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://xbrl.sec.gov/ecd/role/InsiderTradingPoliciesProc</Role>
      <ShortName>Insider Trading Policies and Procedures</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>9</Position>
    </Report>
    <Report instance="jetmf-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>995457 - Disclosure - Cybersecurity Risk Management, Strategy, and Governance</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.globalairlinesgroup.com/20251231/taxonomy/role/DisclosureCybersecurityRiskManagementStrategyAndGovernance</Role>
      <ShortName>Cybersecurity Risk Management, Strategy, and Governance</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>10</Position>
    </Report>
    <Report instance="jetmf-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>995467 - Disclosure - Nature of Operations and Going Concern</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.globalairlinesgroup.com/20251231/taxonomy/role/DisclosureNatureOfOperationsAndGoingConcern</Role>
      <ShortName>Nature of Operations and Going Concern</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>11</Position>
    </Report>
    <Report instance="jetmf-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>995477 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.globalairlinesgroup.com/20251231/taxonomy/role/DisclosureBasisOfPresentationAndSummaryOfSignificantAccountingPolicies1</Role>
      <ShortName>Basis of Presentation and Summary of Significant Accounting Policies</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>12</Position>
    </Report>
    <Report instance="jetmf-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>995487 - Disclosure - Equity Investments</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.globalairlinesgroup.com/20251231/taxonomy/role/DisclosureEquityInvestments</Role>
      <ShortName>Equity Investments</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>13</Position>
    </Report>
    <Report instance="jetmf-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>995497 - Disclosure - Debt Issuance Costs</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.globalairlinesgroup.com/20251231/taxonomy/role/DisclosureDebtIssuanceCosts</Role>
      <ShortName>Debt Issuance Costs</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>14</Position>
    </Report>
    <Report instance="jetmf-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>995507 - Disclosure - Leases</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.globalairlinesgroup.com/20251231/taxonomy/role/DisclosureLeases4</Role>
      <ShortName>Leases</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>15</Position>
    </Report>
    <Report instance="jetmf-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>995517 - Disclosure - Commitments and Contingencies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.globalairlinesgroup.com/20251231/taxonomy/role/DisclosureCommitmentsAndContingencies1</Role>
      <ShortName>Commitments and Contingencies</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>16</Position>
    </Report>
    <Report instance="jetmf-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>995527 - Disclosure - Capital Commitments</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.globalairlinesgroup.com/20251231/taxonomy/role/DisclosureCapitalCommitments1</Role>
      <ShortName>Capital Commitments</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>17</Position>
    </Report>
    <Report instance="jetmf-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>995537 - Disclosure - Income Taxes</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.globalairlinesgroup.com/20251231/taxonomy/role/Role_DisclosureIncomeTaxes</Role>
      <ShortName>Income Taxes</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>18</Position>
    </Report>
    <Report instance="jetmf-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>995557 - Disclosure - Warrants</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.globalairlinesgroup.com/20251231/taxonomy/role/DisclosureWarrants1</Role>
      <ShortName>Warrants</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>19</Position>
    </Report>
    <Report instance="jetmf-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>995567 - Disclosure - Note Payable</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.globalairlinesgroup.com/20251231/taxonomy/role/DisclosureNotePayable3</Role>
      <ShortName>Note Payable</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>20</Position>
    </Report>
    <Report instance="jetmf-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>995577 - Disclosure - Share Capital and Additional Paid in Capital Authorized</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.globalairlinesgroup.com/20251231/taxonomy/role/Role_DisclosureShareCapitalAndAdditionalPaidInCapitalAuthorized</Role>
      <ShortName>Share Capital and Additional Paid in Capital Authorized</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>21</Position>
    </Report>
    <Report instance="jetmf-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>995587 - Disclosure - Loss Per Share</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.globalairlinesgroup.com/20251231/taxonomy/role/Role_DisclosureLossPerShare</Role>
      <ShortName>Loss Per Share</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>22</Position>
    </Report>
    <Report instance="jetmf-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>995597 - Disclosure - Related Party Transactions</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.globalairlinesgroup.com/20251231/taxonomy/role/DisclosureRelatedPartyTransactions1</Role>
      <ShortName>Related Party Transactions</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>23</Position>
    </Report>
    <Report instance="jetmf-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>995607 - Disclosure - Accrued Liabilities</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.globalairlinesgroup.com/20251231/taxonomy/role/DisclosureAccruedLiabilities1</Role>
      <ShortName>Accrued Liabilities</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>24</Position>
    </Report>
    <Report instance="jetmf-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>995617 - Disclosure - Revenue Contract Liability</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.globalairlinesgroup.com/20251231/taxonomy/role/DisclosureRevenueContractLiability</Role>
      <ShortName>Revenue Contract Liability</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>25</Position>
    </Report>
    <Report instance="jetmf-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>995627 - Disclosure - Risk Management and Financial Instruments</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.globalairlinesgroup.com/20251231/taxonomy/role/DisclosureRiskManagementAndFinancialInstruments</Role>
      <ShortName>Risk Management and Financial Instruments</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>26</Position>
    </Report>
    <Report instance="jetmf-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.htm</HtmlFileName>
      <LongName>995637 - Disclosure - Segment Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.globalairlinesgroup.com/20251231/taxonomy/role/DisclosureSegmentInformation</Role>
      <ShortName>Segment Information</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>27</Position>
    </Report>
    <Report instance="jetmf-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>995647 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.globalairlinesgroup.com/20251231/taxonomy/role/DisclosureBasisOfPresentationAndSummaryOfSignificantAccountingPoliciesPolicies</Role>
      <ShortName>Basis of Presentation and Summary of Significant Accounting Policies (Policies)</ShortName>
      <MenuCategory>Policies</MenuCategory>
      <ParentRole>http://www.globalairlinesgroup.com/20251231/taxonomy/role/DisclosureBasisOfPresentationAndSummaryOfSignificantAccountingPolicies1</ParentRole>
      <Position>28</Position>
    </Report>
    <Report instance="jetmf-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>995657 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.globalairlinesgroup.com/20251231/taxonomy/role/DisclosureBasisOfPresentationAndSummaryOfSignificantAccountingPoliciesTables</Role>
      <ShortName>Basis of Presentation and Summary of Significant Accounting Policies (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.globalairlinesgroup.com/20251231/taxonomy/role/DisclosureBasisOfPresentationAndSummaryOfSignificantAccountingPolicies1</ParentRole>
      <Position>29</Position>
    </Report>
    <Report instance="jetmf-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>995667 - Disclosure - Leases (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.globalairlinesgroup.com/20251231/taxonomy/role/DisclosureLeasesTables</Role>
      <ShortName>Leases (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.globalairlinesgroup.com/20251231/taxonomy/role/DisclosureLeases4</ParentRole>
      <Position>30</Position>
    </Report>
    <Report instance="jetmf-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>995677 - Disclosure - Income Taxes (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.globalairlinesgroup.com/20251231/taxonomy/role/DisclosureIncomeTaxesTables</Role>
      <ShortName>Income Taxes (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.globalairlinesgroup.com/20251231/taxonomy/role/Role_DisclosureIncomeTaxes</ParentRole>
      <Position>31</Position>
    </Report>
    <Report instance="jetmf-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R32.htm</HtmlFileName>
      <LongName>995687 - Disclosure - Warrants (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.globalairlinesgroup.com/20251231/taxonomy/role/DisclosureWarrantsTables</Role>
      <ShortName>Warrants (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.globalairlinesgroup.com/20251231/taxonomy/role/DisclosureWarrants1</ParentRole>
      <Position>32</Position>
    </Report>
    <Report instance="jetmf-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>995697 - Disclosure - Notes Payable (Tables)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.globalairlinesgroup.com/20251231/taxonomy/role/DisclosureNotesPayableTables</Role>
      <ShortName>Notes Payable (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <Position>33</Position>
    </Report>
    <Report instance="jetmf-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R34.htm</HtmlFileName>
      <LongName>995707 - Disclosure - Share Capital and Additional Paid in Capital Authorized (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.globalairlinesgroup.com/20251231/taxonomy/role/DisclosureShareCapitalAndAdditionalPaidInCapitalAuthorizedTables</Role>
      <ShortName>Share Capital and Additional Paid in Capital Authorized (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.globalairlinesgroup.com/20251231/taxonomy/role/Role_DisclosureShareCapitalAndAdditionalPaidInCapitalAuthorized</ParentRole>
      <Position>34</Position>
    </Report>
    <Report instance="jetmf-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R35.htm</HtmlFileName>
      <LongName>995717 - Disclosure - Loss Per Share (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.globalairlinesgroup.com/20251231/taxonomy/role/Role_DisclosureLossPerShareTables</Role>
      <ShortName>Loss Per Share (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.globalairlinesgroup.com/20251231/taxonomy/role/Role_DisclosureLossPerShare</ParentRole>
      <Position>35</Position>
    </Report>
    <Report instance="jetmf-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R36.htm</HtmlFileName>
      <LongName>995727 - Disclosure - Accrued Liabilities (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.globalairlinesgroup.com/20251231/taxonomy/role/DisclosureAccruedLiabilitiesTables</Role>
      <ShortName>Accrued Liabilities (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.globalairlinesgroup.com/20251231/taxonomy/role/DisclosureAccruedLiabilities1</ParentRole>
      <Position>36</Position>
    </Report>
    <Report instance="jetmf-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R37.htm</HtmlFileName>
      <LongName>995737 - Disclosure - Revenue Contract Liability (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.globalairlinesgroup.com/20251231/taxonomy/role/DisclosureRevenueContractLiabilityTables</Role>
      <ShortName>Revenue Contract Liability (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.globalairlinesgroup.com/20251231/taxonomy/role/DisclosureRevenueContractLiability</ParentRole>
      <Position>37</Position>
    </Report>
    <Report instance="jetmf-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R38.htm</HtmlFileName>
      <LongName>995747 - Disclosure - Segment Information (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.globalairlinesgroup.com/20251231/taxonomy/role/DisclosureSegmentInformationTables</Role>
      <ShortName>Segment Information (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.globalairlinesgroup.com/20251231/taxonomy/role/DisclosureSegmentInformation</ParentRole>
      <Position>38</Position>
    </Report>
    <Report instance="jetmf-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R39.htm</HtmlFileName>
      <LongName>995757 - Disclosure - Nature of Operations and Going Concern - Additional Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.globalairlinesgroup.com/20251231/taxonomy/role/DisclosureNatureOfOperationsAndGoingConcernAdditionalInformationDetails</Role>
      <ShortName>Nature of Operations and Going Concern - Additional Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>39</Position>
    </Report>
    <Report instance="jetmf-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R40.htm</HtmlFileName>
      <LongName>995767 - Disclosure - Basis Of Presentation And Summary Of Significant Accounting Policies - Additional Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.globalairlinesgroup.com/20251231/taxonomy/role/DisclosureBasisOfPresentationAndSummaryOfSignificantAccountingPoliciesAdditionalInformationDetails</Role>
      <ShortName>Basis Of Presentation And Summary Of Significant Accounting Policies - Additional Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>40</Position>
    </Report>
    <Report instance="jetmf-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R41.htm</HtmlFileName>
      <LongName>995777 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies - Details of Company's Subsidiaries (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.globalairlinesgroup.com/20251231/taxonomy/role/DisclosureBasisOfPresentationAndSummaryOfSignificantAccountingPoliciesDetailsOfCompanysSubsidiariesDetails</Role>
      <ShortName>Basis of Presentation and Summary of Significant Accounting Policies - Details of Company's Subsidiaries (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>41</Position>
    </Report>
    <Report instance="jetmf-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R42.htm</HtmlFileName>
      <LongName>995787 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies - Summary of Activity of Allowance for Credit Losses (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.globalairlinesgroup.com/20251231/taxonomy/role/DisclosureBasisOfPresentationAndSummaryOfSignificantAccountingPoliciesSummaryOfActivityOfAllowanceForCreditLossesDetails</Role>
      <ShortName>Basis of Presentation and Summary of Significant Accounting Policies - Summary of Activity of Allowance for Credit Losses (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>42</Position>
    </Report>
    <Report instance="jetmf-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R43.htm</HtmlFileName>
      <LongName>995797 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies - Schedule of Overall Revenue Percentage of Customers Represented 10% or More of the Total as of the End of the Year (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.globalairlinesgroup.com/20251231/taxonomy/role/DisclosureBasisOfPresentationAndSummaryOfSignificantAccountingPoliciesScheduleOfOverallRevenuePercentageOfCustomersRepresented10OrMoreOf</Role>
      <ShortName>Basis of Presentation and Summary of Significant Accounting Policies - Schedule of Overall Revenue Percentage of Customers Represented 10% or More of the Total as of the End of the Year (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>43</Position>
    </Report>
    <Report instance="jetmf-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R44.htm</HtmlFileName>
      <LongName>995807 - Disclosure - Basis Of Presentation And Summary Of Significant Accounting Policies - Schedule of Property And Equipment Depreciated On A Straight-line Basis To An Estimated Residual Value (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.globalairlinesgroup.com/20251231/taxonomy/role/DisclosureBasisOfPresentationAndSummaryOfSignificantAccountingPoliciesScheduleOfPropertyAndEquipmentDepreciatedOnAStraightlineBasisToAnE</Role>
      <ShortName>Basis Of Presentation And Summary Of Significant Accounting Policies - Schedule of Property And Equipment Depreciated On A Straight-line Basis To An Estimated Residual Value (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>44</Position>
    </Report>
    <Report instance="jetmf-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R45.htm</HtmlFileName>
      <LongName>995817 - Disclosure - Basis Of Presentation And Summary Of Significant Accounting Policies - Components of Property and Equipment, net (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.globalairlinesgroup.com/20251231/taxonomy/role/DisclosureBasisOfPresentationAndSummaryOfSignificantAccountingPoliciesComponentsOfPropertyAndEquipmentNetDetails</Role>
      <ShortName>Basis Of Presentation And Summary Of Significant Accounting Policies - Components of Property and Equipment, net (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>45</Position>
    </Report>
    <Report instance="jetmf-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R46.htm</HtmlFileName>
      <LongName>995827 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies - Schedule of Disaggregation of Revenues (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.globalairlinesgroup.com/20251231/taxonomy/role/DisclosureBasisOfPresentationAndSummaryOfSignificantAccountingPoliciesScheduleOfDisaggregationOfRevenuesDetails</Role>
      <ShortName>Basis of Presentation and Summary of Significant Accounting Policies - Schedule of Disaggregation of Revenues (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>46</Position>
    </Report>
    <Report instance="jetmf-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R47.htm</HtmlFileName>
      <LongName>995837 - Disclosure - Equity Investments - Additional Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.globalairlinesgroup.com/20251231/taxonomy/role/DisclosureEquityInvestmentsAdditionalInformationDetails</Role>
      <ShortName>Equity Investments - Additional Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>47</Position>
    </Report>
    <Report instance="jetmf-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R48.htm</HtmlFileName>
      <LongName>995847 - Disclosure - Debt Issuance Costs - Additional Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.globalairlinesgroup.com/20251231/taxonomy/role/DisclosureDebtIssuanceCostsAdditionalInformationDetails</Role>
      <ShortName>Debt Issuance Costs - Additional Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>48</Position>
    </Report>
    <Report instance="jetmf-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R49.htm</HtmlFileName>
      <LongName>995857 - Disclosure - Leases - Additional Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.globalairlinesgroup.com/20251231/taxonomy/role/DisclosureLeasesAdditionalInformationDetails</Role>
      <ShortName>Leases - Additional Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>49</Position>
    </Report>
    <Report instance="jetmf-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R50.htm</HtmlFileName>
      <LongName>995867 - Disclosure - Leases - Schedule of Lease Costs Related to Finance and Operating Leases (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.globalairlinesgroup.com/20251231/taxonomy/role/DisclosureLeasesScheduleOfLeaseCostsRelatedToFinanceAndOperatingLeasesDetails</Role>
      <ShortName>Leases - Schedule of Lease Costs Related to Finance and Operating Leases (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>50</Position>
    </Report>
    <Report instance="jetmf-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R51.htm</HtmlFileName>
      <LongName>995877 - Disclosure - Leases - Summary of Lease Terms and Discount Rates Related to Finance and Operating Leases (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.globalairlinesgroup.com/20251231/taxonomy/role/DisclosureLeasesSummaryOfLeaseTermsAndDiscountRatesRelatedToFinanceAndOperatingLeasesDetails</Role>
      <ShortName>Leases - Summary of Lease Terms and Discount Rates Related to Finance and Operating Leases (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>51</Position>
    </Report>
    <Report instance="jetmf-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R52.htm</HtmlFileName>
      <LongName>995887 - Disclosure - Leases - Schedule of Cash and Non-cash Activities Associated with Leases (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.globalairlinesgroup.com/20251231/taxonomy/role/DisclosureLeasesScheduleOfCashAndNoncashActivitiesAssociatedWithLeasesDetails</Role>
      <ShortName>Leases - Schedule of Cash and Non-cash Activities Associated with Leases (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>52</Position>
    </Report>
    <Report instance="jetmf-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R53.htm</HtmlFileName>
      <LongName>995897 - Disclosure - Leases - Summary of Future Minimum Lease Payments under Finance and Operating Lease Liabilities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.globalairlinesgroup.com/20251231/taxonomy/role/DisclosureLeasesSummaryOfFutureMinimumLeasePaymentsUnderFinanceAndOperatingLeaseLiabilitiesDetails</Role>
      <ShortName>Leases - Summary of Future Minimum Lease Payments under Finance and Operating Lease Liabilities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>53</Position>
    </Report>
    <Report instance="jetmf-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R54.htm</HtmlFileName>
      <LongName>995917 - Disclosure - Capital Commitments - Additional Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.globalairlinesgroup.com/20251231/taxonomy/role/DisclosureCapitalCommitmentsAdditionalInformationDetails</Role>
      <ShortName>Capital Commitments - Additional Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>54</Position>
    </Report>
    <Report instance="jetmf-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R55.htm</HtmlFileName>
      <LongName>995927 - Disclosure - Income Taxes - Additional Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.globalairlinesgroup.com/20251231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetails</Role>
      <ShortName>Income Taxes - Additional Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>55</Position>
    </Report>
    <Report instance="jetmf-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R56.htm</HtmlFileName>
      <LongName>995937 - Disclosure - Income Taxes - Components of Provision for Income Taxes from Continuing Operations (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.globalairlinesgroup.com/20251231/taxonomy/role/DisclosureIncomeTaxesComponentsOfProvisionForIncomeTaxesFromContinuingOperationsDetails</Role>
      <ShortName>Income Taxes - Components of Provision for Income Taxes from Continuing Operations (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>56</Position>
    </Report>
    <Report instance="jetmf-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R57.htm</HtmlFileName>
      <LongName>995947 - Disclosure - Income Taxes - Schedule of Income Tax Provision Computed at Federal Statutory Corporate Tax Rate (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.globalairlinesgroup.com/20251231/taxonomy/role/DisclosureIncomeTaxesScheduleOfIncomeTaxProvisionComputedAtFederalStatutoryCorporateTaxRateDetails</Role>
      <ShortName>Income Taxes - Schedule of Income Tax Provision Computed at Federal Statutory Corporate Tax Rate (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>57</Position>
    </Report>
    <Report instance="jetmf-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R58.htm</HtmlFileName>
      <LongName>995967 - Disclosure - Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.globalairlinesgroup.com/20251231/taxonomy/role/DisclosureIncomeTaxesScheduleOfDeferredTaxAssetsAndLiabilitiesDetails</Role>
      <ShortName>Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>58</Position>
    </Report>
    <Report instance="jetmf-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R59.htm</HtmlFileName>
      <LongName>995977 - Disclosure - Income Taxes - Summary of Effective Income Tax Reconciliation (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.globalairlinesgroup.com/20251231/taxonomy/role/DisclosureIncomeTaxesSummaryOfEffectiveIncomeTaxReconciliationDetails</Role>
      <ShortName>Income Taxes - Summary of Effective Income Tax Reconciliation (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>59</Position>
    </Report>
    <Report instance="jetmf-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R60.htm</HtmlFileName>
      <LongName>995987 - Disclosure - Warrants - Additional Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.globalairlinesgroup.com/20251231/taxonomy/role/DisclosureWarrantsAdditionalInformationDetails</Role>
      <ShortName>Warrants - Additional Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>60</Position>
    </Report>
    <Report instance="jetmf-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R61.htm</HtmlFileName>
      <LongName>995997 - Disclosure - Warrants - Summary of Fair Value of Warrants (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.globalairlinesgroup.com/20251231/taxonomy/role/DisclosureWarrantsSummaryOfFairValueOfWarrantsDetails</Role>
      <ShortName>Warrants - Summary of Fair Value of Warrants (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>61</Position>
    </Report>
    <Report instance="jetmf-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R62.htm</HtmlFileName>
      <LongName>996007 - Disclosure - Note Payable - Additional Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.globalairlinesgroup.com/20251231/taxonomy/role/DisclosureNotePayableAdditionalInformationDetails</Role>
      <ShortName>Note Payable - Additional Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>62</Position>
    </Report>
    <Report instance="jetmf-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R63.htm</HtmlFileName>
      <LongName>996017 - Disclosure - Note Payable - Summry Of Note Payable (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.globalairlinesgroup.com/20251231/taxonomy/role/DisclosureNotePayableSummryOfNotePayableDetails</Role>
      <ShortName>Note Payable - Summry Of Note Payable (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>63</Position>
    </Report>
    <Report instance="jetmf-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R64.htm</HtmlFileName>
      <LongName>996037 - Disclosure - Share Capital and Additional Paid in Capital Authorized - Additional Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.globalairlinesgroup.com/20251231/taxonomy/role/DisclosureShareCapitalAndAdditionalPaidInCapitalAuthorizedAdditionalInformationDetails</Role>
      <ShortName>Share Capital and Additional Paid in Capital Authorized - Additional Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>64</Position>
    </Report>
    <Report instance="jetmf-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R65.htm</HtmlFileName>
      <LongName>996047 - Disclosure - Share Capital and Additional Paid in Capital Authorized - Summary of Warrant Activity (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.globalairlinesgroup.com/20251231/taxonomy/role/DisclosureShareCapitalAndAdditionalPaidInCapitalAuthorizedSummaryOfWarrantActivityDetails</Role>
      <ShortName>Share Capital and Additional Paid in Capital Authorized - Summary of Warrant Activity (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>65</Position>
    </Report>
    <Report instance="jetmf-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R66.htm</HtmlFileName>
      <LongName>996057 - Disclosure - Share Capital and Additional Paid in Capital Authorized - Schedule of Share Purchase Warrants Outstanding and Exercisable (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.globalairlinesgroup.com/20251231/taxonomy/role/DisclosureShareCapitalAndAdditionalPaidInCapitalAuthorizedScheduleOfSharePurchaseWarrantsOutstandingAndExercisableDetails</Role>
      <ShortName>Share Capital and Additional Paid in Capital Authorized - Schedule of Share Purchase Warrants Outstanding and Exercisable (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>66</Position>
    </Report>
    <Report instance="jetmf-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R67.htm</HtmlFileName>
      <LongName>996067 - Disclosure - Share Capital and Additional Paid in Capital Authorized - Summary of Stock Option Activities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.globalairlinesgroup.com/20251231/taxonomy/role/DisclosureShareCapitalAndAdditionalPaidInCapitalAuthorizedSummaryOfStockOptionActivitiesDetails</Role>
      <ShortName>Share Capital and Additional Paid in Capital Authorized - Summary of Stock Option Activities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>67</Position>
    </Report>
    <Report instance="jetmf-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R68.htm</HtmlFileName>
      <LongName>996077 - Disclosure - Share Capital and Additional Paid in Capital Authorized - Summary of Stock Options Outstanding and Exercisable (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.globalairlinesgroup.com/20251231/taxonomy/role/DisclosureShareCapitalAndAdditionalPaidInCapitalAuthorizedSummaryOfStockOptionsOutstandingAndExercisableDetails</Role>
      <ShortName>Share Capital and Additional Paid in Capital Authorized - Summary of Stock Options Outstanding and Exercisable (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>68</Position>
    </Report>
    <Report instance="jetmf-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R69.htm</HtmlFileName>
      <LongName>996087 - Disclosure - Share Capital and Additional Paid in Capital Authorized - Summary of RSU Activities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.globalairlinesgroup.com/20251231/taxonomy/role/DisclosureShareCapitalAndAdditionalPaidInCapitalAuthorizedSummaryOfRsuActivitiesDetails</Role>
      <ShortName>Share Capital and Additional Paid in Capital Authorized - Summary of RSU Activities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>69</Position>
    </Report>
    <Report instance="jetmf-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R70.htm</HtmlFileName>
      <LongName>996097 - Disclosure - Loss Per Share - Schedule of Computation of Basic and Diluted Earnings Per Share (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.globalairlinesgroup.com/20251231/taxonomy/role/DisclosureLossPerShareScheduleOfComputationOfBasicAndDilutedEarningsPerShareDetails</Role>
      <ShortName>Loss Per Share - Schedule of Computation of Basic and Diluted Earnings Per Share (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>70</Position>
    </Report>
    <Report instance="jetmf-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R71.htm</HtmlFileName>
      <LongName>996107 - Disclosure - Loss per share - Schedule of Computation of Basic and Diluted Earnings Per Share (Parenthetical) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.globalairlinesgroup.com/20251231/taxonomy/role/DisclosureLossPerShareScheduleOfComputationOfBasicAndDilutedEarningsPerShareParentheticalDetails</Role>
      <ShortName>Loss per share - Schedule of Computation of Basic and Diluted Earnings Per Share (Parenthetical) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>71</Position>
    </Report>
    <Report instance="jetmf-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R72.htm</HtmlFileName>
      <LongName>996117 - Disclosure - Related Party Transactions - Additional Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.globalairlinesgroup.com/20251231/taxonomy/role/DisclosureRelatedPartyTransactionsAdditionalInformationDetails</Role>
      <ShortName>Related Party Transactions - Additional Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>72</Position>
    </Report>
    <Report instance="jetmf-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R73.htm</HtmlFileName>
      <LongName>996127 - Disclosure - Accrued Liabilities - Schedule of Accrued liabilities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.globalairlinesgroup.com/20251231/taxonomy/role/DisclosureAccruedLiabilitiesScheduleOfAccruedLiabilitiesDetails</Role>
      <ShortName>Accrued Liabilities - Schedule of Accrued liabilities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>73</Position>
    </Report>
    <Report instance="jetmf-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R74.htm</HtmlFileName>
      <LongName>996137 - Disclosure - Revenue Contract Liability - Summary of Significant Changes in Deferred Revenue Liability Balances (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.globalairlinesgroup.com/20251231/taxonomy/role/DisclosureRevenueContractLiabilitySummaryOfSignificantChangesInDeferredRevenueLiabilityBalancesDetails</Role>
      <ShortName>Revenue Contract Liability - Summary of Significant Changes in Deferred Revenue Liability Balances (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>74</Position>
    </Report>
    <Report instance="jetmf-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R75.htm</HtmlFileName>
      <LongName>996157 - Disclosure - Segment Information - Additional Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.globalairlinesgroup.com/20251231/taxonomy/role/DisclosureSegmentInformationAdditionalInformationDetails</Role>
      <ShortName>Segment Information - Additional Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>75</Position>
    </Report>
    <Report instance="jetmf-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R76.htm</HtmlFileName>
      <LongName>996167 - Disclosure - Segment Information - Schedule of Revenue of Single Reportable Segment (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.globalairlinesgroup.com/20251231/taxonomy/role/DisclosureSegmentInformationScheduleOfRevenueOfSingleReportableSegmentDetails</Role>
      <ShortName>Segment Information - Schedule of Revenue of Single Reportable Segment (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>76</Position>
    </Report>
    <Report instance="jetmf-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R77.htm</HtmlFileName>
      <LongName>996177 - Disclosure - Segment Information - Schedule of Revenue from Major Product and Service Categories (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.globalairlinesgroup.com/20251231/taxonomy/role/DisclosureSegmentInformationScheduleOfRevenueFromMajorProductAndServiceCategoriesDetails</Role>
      <ShortName>Segment Information - Schedule of Revenue from Major Product and Service Categories (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>77</Position>
    </Report>
    <Report instance="jetmf-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R78.htm</HtmlFileName>
      <LongName>996187 - Disclosure - Segment Information - Schedule of Revenue by Geographic Area (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.globalairlinesgroup.com/20251231/taxonomy/role/DisclosureSegmentInformationScheduleOfRevenueByGeographicAreaDetails</Role>
      <ShortName>Segment Information - Schedule of Revenue by Geographic Area (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <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/A" isDefinitelyFs="true" isUsgaap="true" original="jetmf-20251231.htm">jetmf-20251231.htm</File>
    <File>jetmf-20251231.xsd</File>
  </InputFiles>
  <SupplementalFiles/>
  <BaseTaxonomies>
    <BaseTaxonomy items="688">http://fasb.org/us-gaap/2025</BaseTaxonomy>
    <BaseTaxonomy items="8">http://xbrl.sec.gov/cyd/2025</BaseTaxonomy>
    <BaseTaxonomy items="44">http://xbrl.sec.gov/dei/2025</BaseTaxonomy>
    <BaseTaxonomy items="5">http://xbrl.sec.gov/ecd/2025</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>false</HasPresentationLinkbase>
  <HasCalculationLinkbase>false</HasCalculationLinkbase>
</FilingSummary>
