3.26.1 html 403 405 1 true 107 0 false 10 false false R1.htm 000 - Document - Document And Entity Information Sheet http://www.collectivemining.com/role/DocumentAndEntityInformation Document And Entity Information Cover 1 false false R2.htm 001 - Statement - Consolidated Statement of Financial Position Sheet http://www.collectivemining.com/role/ConsolidatedBalanceSheet Consolidated Statement of Financial Position Statements 2 false false R3.htm 002 - Statement - Consolidated Statement of Operations and Comprehensive Loss Sheet http://www.collectivemining.com/role/ConsolidatedIncomeStatement Consolidated Statement of Operations and Comprehensive Loss Statements 3 false false R4.htm 003 - Statement - Consolidated Statement of Cash Flows Sheet http://www.collectivemining.com/role/ConsolidatedCashFlow Consolidated Statement of Cash Flows Statements 4 false false R5.htm 004 - Statement - Consolidated Statement of Changes in Equity Sheet http://www.collectivemining.com/role/ShareholdersEquityType2or3 Consolidated Statement of Changes in Equity Statements 5 false false R6.htm 005 - Disclosure - Nature of Operations Sheet http://www.collectivemining.com/role/NatureofOperations Nature of Operations Notes 6 false false R7.htm 006 - Disclosure - Basis of Preparation Sheet http://www.collectivemining.com/role/BasisofPreparation Basis of Preparation Notes 7 false false R8.htm 007 - Disclosure - Critical Accounting Estimates, Judgements And Assumptions Sheet http://www.collectivemining.com/role/CriticalAccountingEstimatesJudgementsAndAssumptions Critical Accounting Estimates, Judgements And Assumptions Notes 8 false false R9.htm 008 - Disclosure - Summary of Material Accounting Policies Sheet http://www.collectivemining.com/role/SummaryofMaterialAccountingPolicies Summary of Material Accounting Policies Notes 9 false false R10.htm 009 - Disclosure - New Accounting Standards Sheet http://www.collectivemining.com/role/NewAccountingStandards New Accounting Standards Notes 10 false false R11.htm 010 - Disclosure - Receivables and Prepaid Expenses Sheet http://www.collectivemining.com/role/ReceivablesandPrepaidExpenses Receivables and Prepaid Expenses Notes 11 false false R12.htm 011 - Disclosure - Mining Concession Asset Sheet http://www.collectivemining.com/role/MiningConcessionAsset Mining Concession Asset Notes 12 false false R13.htm 012 - Disclosure - Property, Plant and Equipment Sheet http://www.collectivemining.com/role/PropertyPlantandEquipment Property, Plant and Equipment Notes 13 false false R14.htm 013 - Disclosure - Mineral Interests Sheet http://www.collectivemining.com/role/MineralInterests Mineral Interests Notes 14 false false R15.htm 014 - Disclosure - Long-Term Vat Receivable Sheet http://www.collectivemining.com/role/LongTermVatReceivable Long-Term Vat Receivable Notes 15 false false R16.htm 015 - Disclosure - Provision For Environmental Remediation Sheet http://www.collectivemining.com/role/ProvisionForEnvironmentalRemediation Provision For Environmental Remediation Notes 16 false false R17.htm 016 - Disclosure - Warrants Liability Sheet http://www.collectivemining.com/role/WarrantsLiability Warrants Liability Notes 17 false false R18.htm 017 - Disclosure - Lease Liabilities Sheet http://www.collectivemining.com/role/LeaseLiabilities Lease Liabilities Notes 18 false false R19.htm 018 - Disclosure - Other Long-Term Liabilities Sheet http://www.collectivemining.com/role/OtherLongTermLiabilities Other Long-Term Liabilities Notes 19 false false R20.htm 019 - Disclosure - Income Taxes Sheet http://www.collectivemining.com/role/IncomeTaxes Income Taxes Notes 20 false false R21.htm 020 - Disclosure - Related Party Transactions Sheet http://www.collectivemining.com/role/RelatedPartyTransactions Related Party Transactions Notes 21 false false R22.htm 021 - Disclosure - Financial Instruments Sheet http://www.collectivemining.com/role/FinancialInstruments Financial Instruments Notes 22 false false R23.htm 022 - Disclosure - Financial and Capital Risk Management Sheet http://www.collectivemining.com/role/FinancialandCapitalRiskManagement Financial and Capital Risk Management Notes 23 false false R24.htm 023 - Disclosure - Share Capital Sheet http://www.collectivemining.com/role/ShareCapital Share Capital Notes 24 false false R25.htm 024 - Disclosure - Earnings Per Share Sheet http://www.collectivemining.com/role/EarningsPerShare Earnings Per Share Notes 25 false false R26.htm 025 - Disclosure - Share Based Payments Sheet http://www.collectivemining.com/role/ShareBasedPayments Share Based Payments Notes 26 false false R27.htm 026 - Disclosure - Expenses By Nature Sheet http://www.collectivemining.com/role/ExpensesByNature Expenses By Nature Notes 27 false false R28.htm 027 - Disclosure - Cash Flow Information Sheet http://www.collectivemining.com/role/CashFlowInformation Cash Flow Information Notes 28 false false R29.htm 028 - Disclosure - Commitments, Option Agreements and Contingencies Sheet http://www.collectivemining.com/role/CommitmentsOptionAgreementsandContingencies Commitments, Option Agreements and Contingencies Notes 29 false false R30.htm 029 - Disclosure - Subsequent Events Sheet http://www.collectivemining.com/role/SubsequentEvents Subsequent Events Notes 30 false false R31.htm 996000 - Disclosure - Accounting Policies, by Policy (Policies) Sheet http://www.collectivemining.com/role/AccountingPoliciesByPolicy Accounting Policies, by Policy (Policies) Policies http://www.collectivemining.com/role/CriticalAccountingEstimatesJudgementsAndAssumptions 31 false false R32.htm 996001 - Disclosure - Basis of Preparation (Tables) Sheet http://www.collectivemining.com/role/BasisofPreparationTables Basis of Preparation (Tables) Tables http://www.collectivemining.com/role/BasisofPreparation 32 false false R33.htm 996002 - Disclosure - Summary of Material Accounting Policies (Tables) Sheet http://www.collectivemining.com/role/SummaryofMaterialAccountingPoliciesTables Summary of Material Accounting Policies (Tables) Tables http://www.collectivemining.com/role/SummaryofMaterialAccountingPolicies 33 false false R34.htm 996003 - Disclosure - Receivables and Prepaid Expenses (Tables) Sheet http://www.collectivemining.com/role/ReceivablesandPrepaidExpensesTables Receivables and Prepaid Expenses (Tables) Tables http://www.collectivemining.com/role/ReceivablesandPrepaidExpenses 34 false false R35.htm 996004 - Disclosure - Mining Concession Asset (Tables) Sheet http://www.collectivemining.com/role/MiningConcessionAssetTables Mining Concession Asset (Tables) Tables http://www.collectivemining.com/role/MiningConcessionAsset 35 false false R36.htm 996005 - Disclosure - Property, Plant and Equipment (Tables) Sheet http://www.collectivemining.com/role/PropertyPlantandEquipmentTables Property, Plant and Equipment (Tables) Tables http://www.collectivemining.com/role/PropertyPlantandEquipment 36 false false R37.htm 996006 - Disclosure - Mineral Interests (Tables) Sheet http://www.collectivemining.com/role/MineralInterestsTables Mineral Interests (Tables) Tables http://www.collectivemining.com/role/MineralInterests 37 false false R38.htm 996007 - Disclosure - Long-Term Vat Receivable (Tables) Sheet http://www.collectivemining.com/role/LongTermVatReceivableTables Long-Term Vat Receivable (Tables) Tables http://www.collectivemining.com/role/LongTermVatReceivable 38 false false R39.htm 996008 - Disclosure - Provision For Environmental Remediation (Tables) Sheet http://www.collectivemining.com/role/ProvisionForEnvironmentalRemediationTables Provision For Environmental Remediation (Tables) Tables http://www.collectivemining.com/role/ProvisionForEnvironmentalRemediation 39 false false R40.htm 996009 - Disclosure - Warrants Liability (Tables) Sheet http://www.collectivemining.com/role/WarrantsLiabilityTables Warrants Liability (Tables) Tables http://www.collectivemining.com/role/WarrantsLiability 40 false false R41.htm 996010 - Disclosure - Lease Liabilities (Tables) Sheet http://www.collectivemining.com/role/LeaseLiabilitiesTables Lease Liabilities (Tables) Tables http://www.collectivemining.com/role/LeaseLiabilities 41 false false R42.htm 996011 - Disclosure - Other Long-Term Liabilities (Tables) Sheet http://www.collectivemining.com/role/OtherLongTermLiabilitiesTables Other Long-Term Liabilities (Tables) Tables http://www.collectivemining.com/role/OtherLongTermLiabilities 42 false false R43.htm 996012 - Disclosure - Income Taxes (Tables) Sheet http://www.collectivemining.com/role/IncomeTaxesTables Income Taxes (Tables) Tables http://www.collectivemining.com/role/IncomeTaxes 43 false false R44.htm 996013 - Disclosure - Related Party Transactions (Tables) Sheet http://www.collectivemining.com/role/RelatedPartyTransactionsTables Related Party Transactions (Tables) Tables http://www.collectivemining.com/role/RelatedPartyTransactions 44 false false R45.htm 996014 - Disclosure - Financial Instruments (Tables) Sheet http://www.collectivemining.com/role/FinancialInstrumentsTables Financial Instruments (Tables) Tables http://www.collectivemining.com/role/FinancialInstruments 45 false false R46.htm 996015 - Disclosure - Financial and Capital Risk Management (Tables) Sheet http://www.collectivemining.com/role/FinancialandCapitalRiskManagementTables Financial and Capital Risk Management (Tables) Tables http://www.collectivemining.com/role/FinancialandCapitalRiskManagement 46 false false R47.htm 996016 - Disclosure - Earnings Per Share (Tables) Sheet http://www.collectivemining.com/role/EarningsPerShareTables Earnings Per Share (Tables) Tables http://www.collectivemining.com/role/EarningsPerShare 47 false false R48.htm 996017 - Disclosure - Share Based Payments (Tables) Sheet http://www.collectivemining.com/role/ShareBasedPaymentsTables Share Based Payments (Tables) Tables http://www.collectivemining.com/role/ShareBasedPayments 48 false false R49.htm 996018 - Disclosure - Expenses By Nature (Tables) Sheet http://www.collectivemining.com/role/ExpensesByNatureTables Expenses By Nature (Tables) Tables http://www.collectivemining.com/role/ExpensesByNature 49 false false R50.htm 996019 - Disclosure - Cash Flow Information (Tables) Sheet http://www.collectivemining.com/role/CashFlowInformationTables Cash Flow Information (Tables) Tables http://www.collectivemining.com/role/CashFlowInformation 50 false false R51.htm 996020 - Disclosure - Commitments, Option Agreements and Contingencies (Tables) Sheet http://www.collectivemining.com/role/CommitmentsOptionAgreementsandContingenciesTables Commitments, Option Agreements and Contingencies (Tables) Tables http://www.collectivemining.com/role/CommitmentsOptionAgreementsandContingencies 51 false false R52.htm 996021 - Disclosure - Basis of Preparation - Schedule of Principal of Wholly Owned Subsidiaries (Details) Sheet http://www.collectivemining.com/role/ScheduleofPrincipalofWhollyOwnedSubsidiariesTable Basis of Preparation - Schedule of Principal of Wholly Owned Subsidiaries (Details) Details 52 false false R53.htm 996022 - Disclosure - Critical Accounting Estimates, Judgements And Assumptions (Details) Sheet http://www.collectivemining.com/role/CriticalAccountingEstimatesJudgementsAndAssumptionsDetails Critical Accounting Estimates, Judgements And Assumptions (Details) Details 53 false false R54.htm 996023 - Disclosure - Summary of Material Accounting Policies - Schedule of Estimated Useful Life (Details) Sheet http://www.collectivemining.com/role/ScheduleofEstimatedUsefulLifeTable Summary of Material Accounting Policies - Schedule of Estimated Useful Life (Details) Details 54 false false R55.htm 996024 - Disclosure - Receivables and Prepaid Expenses (Details) Sheet http://www.collectivemining.com/role/ReceivablesandPrepaidExpensesDetails Receivables and Prepaid Expenses (Details) Details http://www.collectivemining.com/role/ReceivablesandPrepaidExpensesTables 55 false false R56.htm 996025 - Disclosure - Receivables and Prepaid Expenses - Schedule of Receivables and Prepaid Expenses (Details) Sheet http://www.collectivemining.com/role/ScheduleofReceivablesandPrepaidExpensesTable Receivables and Prepaid Expenses - Schedule of Receivables and Prepaid Expenses (Details) Details 56 false false R57.htm 996026 - Disclosure - Mining Concession Asset (Details) Sheet http://www.collectivemining.com/role/MiningConcessionAssetDetails Mining Concession Asset (Details) Details http://www.collectivemining.com/role/MiningConcessionAssetTables 57 false false R58.htm 996027 - Disclosure - Mining Concession Asset - Schedule of Mining Concession Assets (Details) Sheet http://www.collectivemining.com/role/ScheduleofMiningConcessionAssetsTable Mining Concession Asset - Schedule of Mining Concession Assets (Details) Details 58 false false R59.htm 996028 - Disclosure - Property, Plant and Equipment (Details) Sheet http://www.collectivemining.com/role/PropertyPlantandEquipmentDetails Property, Plant and Equipment (Details) Details http://www.collectivemining.com/role/PropertyPlantandEquipmentTables 59 false false R60.htm 996029 - Disclosure - Property, Plant and Equipment - Schedule of Property, Plant and Equipment (Details) Sheet http://www.collectivemining.com/role/ScheduleofPropertyPlantandEquipmentTable Property, Plant and Equipment - Schedule of Property, Plant and Equipment (Details) Details 60 false false R61.htm 996030 - Disclosure - Mineral Interests (Details) Sheet http://www.collectivemining.com/role/MineralInterestsDetails Mineral Interests (Details) Details http://www.collectivemining.com/role/MineralInterestsTables 61 false false R62.htm 996031 - Disclosure - Mineral Interests - Schedule of Property Under the First Guayabales Option (Details) Sheet http://www.collectivemining.com/role/ScheduleofPropertyUndertheFirstGuayabalesOptionTable Mineral Interests - Schedule of Property Under the First Guayabales Option (Details) Details 62 false false R63.htm 996032 - Disclosure - Mineral Interests - Schedule of Acquisition of the Mining Concession Contract (Details) Sheet http://www.collectivemining.com/role/ScheduleofAcquisitionoftheMiningConcessionContractTable Mineral Interests - Schedule of Acquisition of the Mining Concession Contract (Details) Details 63 false false R64.htm 996033 - Disclosure - Long-Term Vat Receivable - Schedule of Long-Term Receivable (Details) Sheet http://www.collectivemining.com/role/ScheduleofLongTermReceivableTable Long-Term Vat Receivable - Schedule of Long-Term Receivable (Details) Details 64 false false R65.htm 996034 - Disclosure - Provision For Environmental Remediation (Details) Sheet http://www.collectivemining.com/role/ProvisionForEnvironmentalRemediationDetails Provision For Environmental Remediation (Details) Details http://www.collectivemining.com/role/ProvisionForEnvironmentalRemediationTables 65 false false R66.htm 996035 - Disclosure - Provision For Environmental Remediation - Schedule of Provision for Environment Remediation (Details) Sheet http://www.collectivemining.com/role/ScheduleofProvisionforEnvironmentRemediationTable Provision For Environmental Remediation - Schedule of Provision for Environment Remediation (Details) Details 66 false false R67.htm 996036 - Disclosure - Warrants Liability (Details) Sheet http://www.collectivemining.com/role/WarrantsLiabilityDetails Warrants Liability (Details) Details http://www.collectivemining.com/role/WarrantsLiabilityTables 67 false false R68.htm 996037 - Disclosure - Warrants Liability - Schedule of Warrants Classified as Derivative Financial Liabilities (Details) Sheet http://www.collectivemining.com/role/ScheduleofWarrantsClassifiedasDerivativeFinancialLiabilitiesTable Warrants Liability - Schedule of Warrants Classified as Derivative Financial Liabilities (Details) Details 68 false false R69.htm 996038 - Disclosure - Warrants Liability - Schedule of Offering Date Fair Value of Warrants Determined (Details) Sheet http://www.collectivemining.com/role/ScheduleofOfferingDateFairValueofWarrantsDeterminedTable Warrants Liability - Schedule of Offering Date Fair Value of Warrants Determined (Details) Details 69 false false R70.htm 996039 - Disclosure - Warrants Liability - Schedule of Fair value for Subscription Warrants Determined Using Binomial Pricing Model (Details) Sheet http://www.collectivemining.com/role/ScheduleofFairvalueforSubscriptionWarrantsDeterminedUsingBinomialPricingModelTable Warrants Liability - Schedule of Fair value for Subscription Warrants Determined Using Binomial Pricing Model (Details) Details 70 false false R71.htm 996040 - Disclosure - Lease Liabilities (Details) Sheet http://www.collectivemining.com/role/LeaseLiabilitiesDetails Lease Liabilities (Details) Details http://www.collectivemining.com/role/LeaseLiabilitiesTables 71 false false R72.htm 996041 - Disclosure - Lease Liabilities - Schedule of Lease Liabilities (Details) Sheet http://www.collectivemining.com/role/ScheduleofLeaseLiabilitiesTable Lease Liabilities - Schedule of Lease Liabilities (Details) Details 72 false false R73.htm 996042 - Disclosure - Other Long-Term Liabilities (Details) Sheet http://www.collectivemining.com/role/OtherLongTermLiabilitiesDetails Other Long-Term Liabilities (Details) Details http://www.collectivemining.com/role/OtherLongTermLiabilitiesTables 73 false false R74.htm 996043 - Disclosure - Other Long-Term Liabilities - Schedule of Other Long-Term Liabilities (Details) Sheet http://www.collectivemining.com/role/ScheduleofOtherLongTermLiabilitiesTable Other Long-Term Liabilities - Schedule of Other Long-Term Liabilities (Details) Details 74 false false R75.htm 996044 - Disclosure - Other Long-Term Liabilities - Schedule of Long-Term Liabilities by Project (Details) Sheet http://www.collectivemining.com/role/ScheduleofLongTermLiabilitiesbyProjectTable Other Long-Term Liabilities - Schedule of Long-Term Liabilities by Project (Details) Details 75 false false R76.htm 996045 - Disclosure - Other Long-Term Liabilities - Schedule of Fair Value Payment Schedule by Project (Details) Sheet http://www.collectivemining.com/role/ScheduleofFairValuePaymentSchedulebyProjectTable Other Long-Term Liabilities - Schedule of Fair Value Payment Schedule by Project (Details) Details 76 false false R77.htm 996046 - Disclosure - Income Taxes (Details) Sheet http://www.collectivemining.com/role/IncomeTaxesDetails Income Taxes (Details) Details http://www.collectivemining.com/role/IncomeTaxesTables 77 false false R78.htm 996047 - Disclosure - Income Taxes - Schedule of Net Income (Loss) Before Tax (Details) Sheet http://www.collectivemining.com/role/ScheduleofNetIncomeLossBeforeTaxTable Income Taxes - Schedule of Net Income (Loss) Before Tax (Details) Details 78 false false R79.htm 996048 - Disclosure - Income Taxes - Schedule of Tax Losses and Tax Assets Available in Canada and Colombia to Reduce Income Taxes Payable (Details) Sheet http://www.collectivemining.com/role/ScheduleofTaxLossesandTaxAssetsAvailableinCanadaandColombiatoReduceIncomeTaxesPayableTable Income Taxes - Schedule of Tax Losses and Tax Assets Available in Canada and Colombia to Reduce Income Taxes Payable (Details) Details 79 false false R80.htm 996049 - Disclosure - Related Party Transactions - Schedule of Key Management Personnel (Details) Sheet http://www.collectivemining.com/role/ScheduleofKeyManagementPersonnelTable Related Party Transactions - Schedule of Key Management Personnel (Details) Details 80 false false R81.htm 996050 - Disclosure - Financial Instruments (Details) Sheet http://www.collectivemining.com/role/FinancialInstrumentsDetails Financial Instruments (Details) Details http://www.collectivemining.com/role/FinancialInstrumentsTables 81 false false R82.htm 996051 - Disclosure - Financial Instruments - Schedule of Other Financial Liabilities (Details) Sheet http://www.collectivemining.com/role/ScheduleofOtherFinancialLiabilitiesTable Financial Instruments - Schedule of Other Financial Liabilities (Details) Details 82 false false R83.htm 996052 - Disclosure - Financial and Capital Risk Management (Details) Sheet http://www.collectivemining.com/role/FinancialandCapitalRiskManagementDetails Financial and Capital Risk Management (Details) Details http://www.collectivemining.com/role/FinancialandCapitalRiskManagementTables 83 false false R84.htm 996053 - Disclosure - Financial and Capital Risk Management - Schedule of Foreign Currency Balances (Details) Sheet http://www.collectivemining.com/role/ScheduleofForeignCurrencyBalancesTable Financial and Capital Risk Management - Schedule of Foreign Currency Balances (Details) Details 84 false false R85.htm 996054 - Disclosure - Financial and Capital Risk Management - Schedule of Contractual Cash Outflows (Details) Sheet http://www.collectivemining.com/role/ScheduleofContractualCashOutflowsTable Financial and Capital Risk Management - Schedule of Contractual Cash Outflows (Details) Details 85 false false R86.htm 996055 - Disclosure - Share Capital (Details) Sheet http://www.collectivemining.com/role/ShareCapitalDetails Share Capital (Details) Details http://www.collectivemining.com/role/ShareCapital 86 false false R87.htm 996056 - Disclosure - Earnings Per Share - Schedule of Basic Earnings (Loss) Per Share (Details) Sheet http://www.collectivemining.com/role/ScheduleofBasicEarningsLossPerShareTable Earnings Per Share - Schedule of Basic Earnings (Loss) Per Share (Details) Details 87 false false R88.htm 996057 - Disclosure - Share Based Payments (Details) Sheet http://www.collectivemining.com/role/ShareBasedPaymentsDetails Share Based Payments (Details) Details http://www.collectivemining.com/role/ShareBasedPaymentsTables 88 false false R89.htm 996058 - Disclosure - Share Based Payments - Schedule of Stock Options (Details) Sheet http://www.collectivemining.com/role/ScheduleofStockOptionsTable Share Based Payments - Schedule of Stock Options (Details) Details 89 false false R90.htm 996059 - Disclosure - Share Based Payments - Schedule of Stock Options Outstanding and Exercisable (Details) Sheet http://www.collectivemining.com/role/ScheduleofStockOptionsOutstandingandExercisableTable Share Based Payments - Schedule of Stock Options Outstanding and Exercisable (Details) Details 90 false false R91.htm 996060 - Disclosure - Share Based Payments - Schedule of Stock Options Granted the Fair Values and The Assumptions used in the Black-Scholes Option Pricing (Details) Sheet http://www.collectivemining.com/role/ScheduleofStockOptionsGrantedtheFairValuesandTheAssumptionsusedintheBlackScholesOptionPricingTable Share Based Payments - Schedule of Stock Options Granted the Fair Values and The Assumptions used in the Black-Scholes Option Pricing (Details) Details 91 false false R92.htm 996061 - Disclosure - Expenses By Nature (Details) Sheet http://www.collectivemining.com/role/ExpensesByNatureDetails Expenses By Nature (Details) Details http://www.collectivemining.com/role/ExpensesByNatureTables 92 false false R93.htm 996062 - Disclosure - Expenses By Nature - Schedule of Exploration and Evaluation Expense (Details) Sheet http://www.collectivemining.com/role/ScheduleofExplorationandEvaluationExpenseTable Expenses By Nature - Schedule of Exploration and Evaluation Expense (Details) Details 93 false false R94.htm 996063 - Disclosure - Expenses By Nature - Schedule of General and Administration Expense (Details) Sheet http://www.collectivemining.com/role/ScheduleofGeneralandAdministrationExpenseTable Expenses By Nature - Schedule of General and Administration Expense (Details) Details 94 false false R95.htm 996064 - Disclosure - Expenses By Nature - Schedule of Finance Costs (Details) Sheet http://www.collectivemining.com/role/ScheduleofFinanceCostsTable Expenses By Nature - Schedule of Finance Costs (Details) Details 95 false false R96.htm 996065 - Disclosure - Cash Flow Information - Schedule of Net Changes In Working Capital Items (Details) Sheet http://www.collectivemining.com/role/ScheduleofNetChangesInWorkingCapitalItemsTable Cash Flow Information - Schedule of Net Changes In Working Capital Items (Details) Details 96 false false R97.htm 996066 - Disclosure - Commitments, Option Agreements and Contingencies (Details) Sheet http://www.collectivemining.com/role/CommitmentsOptionAgreementsandContingenciesDetails Commitments, Option Agreements and Contingencies (Details) Details http://www.collectivemining.com/role/CommitmentsOptionAgreementsandContingenciesTables 97 false false R98.htm 996067 - Disclosure - Commitments, Option Agreements and Contingencies - Schedule of Contractual Commitments and Obligations (Details) Sheet http://www.collectivemining.com/role/ScheduleofContractualCommitmentsandObligationsTable Commitments, Option Agreements and Contingencies - Schedule of Contractual Commitments and Obligations (Details) Details 98 false false R99.htm 996068 - Disclosure - Commitments, Option Agreements and Contingencies - Schedule of Option Agreements Under the Assumption that the Company Continues to Exercise Options (Details) Sheet http://www.collectivemining.com/role/ScheduleofOptionAgreementsUndertheAssumptionthattheCompanyContinuestoExerciseOptionsTable Commitments, Option Agreements and Contingencies - Schedule of Option Agreements Under the Assumption that the Company Continues to Exercise Options (Details) Details 99 false false R100.htm 996069 - Disclosure - Subsequent Events (Details) Sheet http://www.collectivemining.com/role/SubsequentEventsDetails Subsequent Events (Details) Details http://www.collectivemining.com/role/SubsequentEvents 100 false false All Reports Book All Reports cnl-20251231.xsd cnl-20251231_cal.xml cnl-20251231_def.xml cnl-20251231_lab.xml cnl-20251231_pre.xml ea0280494-40f_collective.htm ea028049401ex99-2.htm ea028049401_ex99-2img1.jpg ea028049401_ex99-2img2.jpg ea028049401_ex99-2img3.jpg http://fasb.org/srt/2025 http://xbrl.sec.gov/dei/2025 https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full true true