3.23.2 html 767 606 1 true 144 0 false 22 false false R1.htm 00090 - Document - Document and Entity Information Sheet http://MetalsAcquisitionCorp.com/role/DocumentDocumentAndEntityInformation Document and Entity Information Cover 1 false false R2.htm 1100100 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS Sheet http://MetalsAcquisitionCorp.com/role/StatementCondensedConsolidatedBalanceSheets CONDENSED CONSOLIDATED BALANCE SHEETS Statements 2 false false R3.htm 1100105 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) Sheet http://MetalsAcquisitionCorp.com/role/StatementCondensedConsolidatedBalanceSheetsParenthetical CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) Statements 3 false false R4.htm 1100200 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS Sheet http://MetalsAcquisitionCorp.com/role/StatementCondensedConsolidatedStatementsOfOperations CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS Statements 4 false false R5.htm 1100300 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' DEFICIT Sheet http://MetalsAcquisitionCorp.com/role/StatementCondensedConsolidatedStatementsOfChangesInShareholdersDeficit CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' DEFICIT Statements 5 false false R6.htm 1100305 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' DEFICIT (Parenthetical) Sheet http://MetalsAcquisitionCorp.com/role/StatementCondensedConsolidatedStatementsOfChangesInShareholdersDeficitParenthetical CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' DEFICIT (Parenthetical) Statements 6 false false R7.htm 1100400 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS Sheet http://MetalsAcquisitionCorp.com/role/StatementCondensedConsolidatedStatementsOfCashFlows CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS Statements 7 false false R8.htm 1110101 - Disclosure - Organization and Business Operations and Going Concern and Management's Plan Sheet http://MetalsAcquisitionCorp.com/role/DisclosureOrganizationAndBusinessOperationsAndGoingConcernAndManagementSPlan Organization and Business Operations and Going Concern and Management's Plan Notes 8 false false R9.htm 1110201 - Disclosure - Significant Accounting Policies Sheet http://MetalsAcquisitionCorp.com/role/DisclosureSignificantAccountingPolicies Significant Accounting Policies Notes 9 false false R10.htm 1110301 - Disclosure - Initial Public Offering Sheet http://MetalsAcquisitionCorp.com/role/DisclosureInitialPublicOffering Initial Public Offering Notes 10 false false R11.htm 1110401 - Disclosure - Private Placement Sheet http://MetalsAcquisitionCorp.com/role/DisclosurePrivatePlacement Private Placement Notes 11 false false R12.htm 1110501 - Disclosure - Related Party Transactions Sheet http://MetalsAcquisitionCorp.com/role/DisclosureRelatedPartyTransactions Related Party Transactions Notes 12 false false R13.htm 1110601 - Disclosure - Recurring Fair Value Measurements Sheet http://MetalsAcquisitionCorp.com/role/DisclosureRecurringFairValueMeasurements Recurring Fair Value Measurements Notes 13 false false R14.htm 1110701 - Disclosure - Deferred Liabilities, Commitments and Contingencies Sheet http://MetalsAcquisitionCorp.com/role/DisclosureDeferredLiabilitiesCommitmentsAndContingencies Deferred Liabilities, Commitments and Contingencies Notes 14 false false R15.htm 1110801 - Disclosure - Shareholders' Deficit Sheet http://MetalsAcquisitionCorp.com/role/DisclosureShareholdersDeficit Shareholders' Deficit Notes 15 false false R16.htm 1110901 - Disclosure - Subsequent Events Sheet http://MetalsAcquisitionCorp.com/role/DisclosureSubsequentEvents Subsequent Events Notes 16 false false R17.htm 1120202 - Disclosure - Significant Accounting Policies (Policies) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureSignificantAccountingPoliciesPolicies Significant Accounting Policies (Policies) Policies http://MetalsAcquisitionCorp.com/role/DisclosureSignificantAccountingPolicies 17 false false R18.htm 1130203 - Disclosure - Significant Accounting Policies (Tables) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureSignificantAccountingPoliciesTables Significant Accounting Policies (Tables) Tables http://MetalsAcquisitionCorp.com/role/DisclosureSignificantAccountingPolicies 18 false false R19.htm 1130503 - Disclosure - Related Party Transactions (Tables) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureRelatedPartyTransactionsTables Related Party Transactions (Tables) Tables http://MetalsAcquisitionCorp.com/role/DisclosureRelatedPartyTransactions 19 false false R20.htm 1130603 - Disclosure - Recurring Fair Value Measurements (Tables) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureRecurringFairValueMeasurementsTables Recurring Fair Value Measurements (Tables) Tables http://MetalsAcquisitionCorp.com/role/DisclosureRecurringFairValueMeasurements 20 false false R21.htm 1130703 - Disclosure - Deferred Liabilities, Commitments and Contingencies (Tables) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureDeferredLiabilitiesCommitmentsAndContingenciesTables Deferred Liabilities, Commitments and Contingencies (Tables) Tables http://MetalsAcquisitionCorp.com/role/DisclosureDeferredLiabilitiesCommitmentsAndContingencies 21 false false R22.htm 1140101 - Disclosure - Organization and Business Operations and Going Concern and Management's Plan (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureOrganizationAndBusinessOperationsAndGoingConcernAndManagementSPlanDetails Organization and Business Operations and Going Concern and Management's Plan (Details) Details http://MetalsAcquisitionCorp.com/role/DisclosureOrganizationAndBusinessOperationsAndGoingConcernAndManagementSPlan 22 false false R23.htm 1140102 - Disclosure - Organization and Business Operations Going Concern and Management's Plan - Going Concern and Management's Plan (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureOrganizationAndBusinessOperationsGoingConcernAndManagementSPlanGoingConcernAndManagementSPlanDetails Organization and Business Operations Going Concern and Management's Plan - Going Concern and Management's Plan (Details) Details 23 false false R24.htm 1140201 - Disclosure - Significant Accounting Policies (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureSignificantAccountingPoliciesDetails Significant Accounting Policies (Details) Details http://MetalsAcquisitionCorp.com/role/DisclosureSignificantAccountingPoliciesTables 24 false false R25.htm 1140202 - Disclosure - Significant Accounting Policies - Ordinary Shares Subject to Possible Redemption (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureSignificantAccountingPoliciesOrdinarySharesSubjectToPossibleRedemptionDetails Significant Accounting Policies - Ordinary Shares Subject to Possible Redemption (Details) Details 25 false false R26.htm 1140203 - Disclosure - Significant Accounting Policies - Net (Loss) Income Per Share (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureSignificantAccountingPoliciesNetLossIncomePerShareDetails Significant Accounting Policies - Net (Loss) Income Per Share (Details) Details http://MetalsAcquisitionCorp.com/role/DisclosureSignificantAccountingPoliciesTables 26 false false R27.htm 1140301 - Disclosure - Initial Public Offering (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureInitialPublicOfferingDetails Initial Public Offering (Details) Details http://MetalsAcquisitionCorp.com/role/DisclosureInitialPublicOffering 27 false false R28.htm 1140401 - Disclosure - Private Placement (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosurePrivatePlacementDetails Private Placement (Details) Details http://MetalsAcquisitionCorp.com/role/DisclosurePrivatePlacement 28 false false R29.htm 1140501 - Disclosure - Related Party Transactions - Founder Shares (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureRelatedPartyTransactionsFounderSharesDetails Related Party Transactions - Founder Shares (Details) Details 29 false false R30.htm 1140502 - Disclosure - Related Party Transactions - Additional Information (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureRelatedPartyTransactionsAdditionalInformationDetails Related Party Transactions - Additional Information (Details) Details 30 false false R31.htm 1140503 - Disclosure - Related Party Transactions - Fair Value Measurement Assumption (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureRelatedPartyTransactionsFairValueMeasurementAssumptionDetails Related Party Transactions - Fair Value Measurement Assumption (Details) Details 31 false false R32.htm 1140601 - Disclosure - Recurring Fair Value Measurements (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureRecurringFairValueMeasurementsDetails Recurring Fair Value Measurements (Details) Details http://MetalsAcquisitionCorp.com/role/DisclosureRecurringFairValueMeasurementsTables 32 false false R33.htm 1140602 - Disclosure - Recurring Fair Value Measurements - Changes in Fair Value of Warrant Liabilities (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureRecurringFairValueMeasurementsChangesInFairValueOfWarrantLiabilitiesDetails Recurring Fair Value Measurements - Changes in Fair Value of Warrant Liabilities (Details) Details 33 false false R34.htm 1140603 - Disclosure - Recurring Fair Value Measurements - Additional Information (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureRecurringFairValueMeasurementsAdditionalInformationDetails Recurring Fair Value Measurements - Additional Information (Details) Details 34 false false R35.htm 1140701 - Disclosure - Deferred Liabilities, Commitments and Contingencies (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureDeferredLiabilitiesCommitmentsAndContingenciesDetails Deferred Liabilities, Commitments and Contingencies (Details) Details http://MetalsAcquisitionCorp.com/role/DisclosureDeferredLiabilitiesCommitmentsAndContingenciesTables 35 false false R36.htm 1140702 - Disclosure - Deferred Liabilities, Commitments and Contingencies - Loan Note Subscription Agreement - Mezzanine Debt Facility and Equity Subscription Agreement (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureDeferredLiabilitiesCommitmentsAndContingenciesLoanNoteSubscriptionAgreementMezzanineDebtFacilityAndEquitySubscriptionAgreementDetails Deferred Liabilities, Commitments and Contingencies - Loan Note Subscription Agreement - Mezzanine Debt Facility and Equity Subscription Agreement (Details) Details 36 false false R37.htm 1140703 - Disclosure - Deferred Liabilities, Commitments and Contingencies - Proportions of total Payable Copper (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureDeferredLiabilitiesCommitmentsAndContingenciesProportionsOfTotalPayableCopperDetails Deferred Liabilities, Commitments and Contingencies - Proportions of total Payable Copper (Details) Details 37 false false R38.htm 1140801 - Disclosure - Shareholders' Deficit - Preference Shares (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureShareholdersDeficitPreferenceSharesDetails Shareholders' Deficit - Preference Shares (Details) Details 38 false false R39.htm 1140802 - Disclosure - Shareholders' Deficit - Common Stock Shares (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureShareholdersDeficitCommonStockSharesDetails Shareholders' Deficit - Common Stock Shares (Details) Details 39 false false R40.htm 1140901 - Disclosure - Subsequent Events (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureSubsequentEventsDetailsss Subsequent Events (Details) Details http://MetalsAcquisitionCorp.com/role/DisclosureSubsequentEvents 40 false false R41.htm 1200100 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS Sheet http://MetalsAcquisitionCorp.com/role/StatementCondensedConsolidatedBalanceSheetss CONDENSED CONSOLIDATED BALANCE SHEETS Uncategorized 41 false false R42.htm 1200105 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) Sheet http://MetalsAcquisitionCorp.com/role/StatementCondensedConsolidatedBalanceSheetsParentheticals CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) Cover 42 false false R43.htm 1200200 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS Sheet http://MetalsAcquisitionCorp.com/role/StatementCondensedConsolidatedStatementsOfOperationss CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS Statements 43 false false R44.htm 1200300 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' DEFICIT Sheet http://MetalsAcquisitionCorp.com/role/StatementCondensedConsolidatedStatementsOfChangesInShareholdersDeficits CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' DEFICIT Statements 44 false false R45.htm 1200305 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' DEFICIT (Parenthetical) Sheet http://MetalsAcquisitionCorp.com/role/StatementCondensedConsolidatedStatementsOfChangesInShareholdersDeficitParentheticals CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' DEFICIT (Parenthetical) Statements 45 false false R46.htm 1200400 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS Sheet http://MetalsAcquisitionCorp.com/role/StatementCondensedConsolidatedStatementsOfCashFlowss CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS Statements 46 false false R47.htm 1200405 - Statement - STATEMENT OF CASH FLOWS (Parenthetical) Sheet http://MetalsAcquisitionCorp.com/role/StatementStatementOfCashFlowsParenthetical STATEMENT OF CASH FLOWS (Parenthetical) Statements 47 false false R48.htm 1210101 - Disclosure - Organization and Business Operations and Going Concern and Management's Plan Sheet http://MetalsAcquisitionCorp.com/role/DisclosureOrganizationAndBusinessOperationsAndGoingConcernAndManagementSPlans Organization and Business Operations and Going Concern and Management's Plan Notes 48 false false R49.htm 1210201 - Disclosure - Significant Accounting Policies Sheet http://MetalsAcquisitionCorp.com/role/DisclosureSignificantAccountingPoliciess Significant Accounting Policies Notes 49 false false R50.htm 1210301 - Disclosure - Initial Public Offering Sheet http://MetalsAcquisitionCorp.com/role/DisclosureInitialPublicOfferings Initial Public Offering Notes 50 false false R51.htm 1210401 - Disclosure - Private Placement Sheet http://MetalsAcquisitionCorp.com/role/DisclosurePrivatePlacements Private Placement Notes 51 false false R52.htm 1210501 - Disclosure - Related Party Transactions Sheet http://MetalsAcquisitionCorp.com/role/DisclosureRelatedPartyTransactionss Related Party Transactions Notes 52 false false R53.htm 1210601 - Disclosure - Recurring Fair Value Measurements Sheet http://MetalsAcquisitionCorp.com/role/DisclosureRecurringFairValueMeasurementss Recurring Fair Value Measurements Notes 53 false false R54.htm 1210701 - Disclosure - Deferred Liabilities, Commitments and Contingencies Sheet http://MetalsAcquisitionCorp.com/role/DisclosureDeferredLiabilitiesCommitmentsAndContingenciess Deferred Liabilities, Commitments and Contingencies Notes 54 false false R55.htm 1210801 - Disclosure - Shareholders' Deficit Sheet http://MetalsAcquisitionCorp.com/role/DisclosureShareholdersDeficits Shareholders' Deficit Notes 55 false false R56.htm 1210901 - Disclosure - Subsequent Events Sheet http://MetalsAcquisitionCorp.com/role/DisclosureSubsequentEventss Subsequent Events Notes 56 false false R57.htm 1220202 - Disclosure - Significant Accounting Policies (Policies) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureSignificantAccountingPoliciesPoliciess Significant Accounting Policies (Policies) Policies http://MetalsAcquisitionCorp.com/role/DisclosureSignificantAccountingPolicies 57 false false R58.htm 1230203 - Disclosure - Significant Accounting Policies (Tables) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureSignificantAccountingPoliciesTabless Significant Accounting Policies (Tables) Tables http://MetalsAcquisitionCorp.com/role/DisclosureSignificantAccountingPolicies 58 false false R59.htm 1230503 - Disclosure - Related Party Transactions (Tables) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureRelatedPartyTransactionsTabless Related Party Transactions (Tables) Tables http://MetalsAcquisitionCorp.com/role/DisclosureRelatedPartyTransactions 59 false false R60.htm 1230603 - Disclosure - Recurring Fair Value Measurements (Tables) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureRecurringFairValueMeasurementsTabless Recurring Fair Value Measurements (Tables) Tables http://MetalsAcquisitionCorp.com/role/DisclosureRecurringFairValueMeasurements 60 false false R61.htm 1230703 - Disclosure - Deferred Liabilities, Commitments and Contingencies (Tables) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureDeferredLiabilitiesCommitmentsAndContingenciesTabless Deferred Liabilities, Commitments and Contingencies (Tables) Tables http://MetalsAcquisitionCorp.com/role/DisclosureDeferredLiabilitiesCommitmentsAndContingencies 61 false false R62.htm 1230903 - Disclosure - Subsequent Events (Tables) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureSubsequentEventsTables Subsequent Events (Tables) Tables http://MetalsAcquisitionCorp.com/role/DisclosureSubsequentEvents 62 false false R63.htm 1240101 - Disclosure - Organization and Business Operations and Going Concern and Management's Plan (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureOrganizationAndBusinessOperationsAndGoingConcernAndManagementSPlanDetailss Organization and Business Operations and Going Concern and Management's Plan (Details) Details http://MetalsAcquisitionCorp.com/role/DisclosureOrganizationAndBusinessOperationsAndGoingConcernAndManagementSPlan 63 false false R64.htm 1240102 - Disclosure - Organization and Business Operations Going Concern and Management's Plan - Going Concern and Management's Plan (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureOrganizationAndBusinessOperationsGoingConcernAndManagementSPlanGoingConcernAndManagementSPlanDetailss Organization and Business Operations Going Concern and Management's Plan - Going Concern and Management's Plan (Details) Details 64 false false R65.htm 1240201 - Disclosure - Significant Accounting Policies (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureSignificantAccountingPoliciesDetailss Significant Accounting Policies (Details) Details http://MetalsAcquisitionCorp.com/role/DisclosureSignificantAccountingPoliciesTables 65 false false R66.htm 1240202 - Disclosure - Significant Accounting Policies - Ordinary Shares Subject to Possible Redemption (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureSignificantAccountingPoliciesOrdinarySharesSubjectToPossibleRedemptionDetailss Significant Accounting Policies - Ordinary Shares Subject to Possible Redemption (Details) Details 66 false false R67.htm 1240203 - Disclosure - Significant Accounting Policies - Net (Loss) Income Per Share (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureSignificantAccountingPoliciesNetLossIncomePerShareDetailss Significant Accounting Policies - Net (Loss) Income Per Share (Details) Details http://MetalsAcquisitionCorp.com/role/DisclosureSignificantAccountingPoliciesTables 67 false false R68.htm 1240301 - Disclosure - Initial Public Offering (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureInitialPublicOfferingDetailss Initial Public Offering (Details) Details http://MetalsAcquisitionCorp.com/role/DisclosureInitialPublicOffering 68 false false R69.htm 1240401 - Disclosure - Private Placement (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosurePrivatePlacementDetailss Private Placement (Details) Details http://MetalsAcquisitionCorp.com/role/DisclosurePrivatePlacement 69 false false R70.htm 1240501 - Disclosure - Related Party Transactions - Founder Shares (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureRelatedPartyTransactionsFounderSharesDetailss Related Party Transactions - Founder Shares (Details) Details 70 false false R71.htm 1240502 - Disclosure - Related Party Transactions - Additional Information (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureRelatedPartyTransactionsAdditionalInformationDetailss Related Party Transactions - Additional Information (Details) Details 71 false false R72.htm 1240503 - Disclosure - Related Party Transactions - Fair Value Measurement Assumption (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureRelatedPartyTransactionsFairValueMeasurementAssumptionDetailss Related Party Transactions - Fair Value Measurement Assumption (Details) Details 72 false false R73.htm 1240601 - Disclosure - Recurring Fair Value Measurements (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureRecurringFairValueMeasurementsDetailss Recurring Fair Value Measurements (Details) Details http://MetalsAcquisitionCorp.com/role/DisclosureRecurringFairValueMeasurementsTables 73 false false R74.htm 1240602 - Disclosure - Recurring Fair Value Measurements - Level 3 Fair Value Measurements Inputs (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureRecurringFairValueMeasurementsLevel3FairValueMeasurementsInputsDetails Recurring Fair Value Measurements - Level 3 Fair Value Measurements Inputs (Details) Details 74 false false R75.htm 1240603 - Disclosure - Recurring Fair Value Measurements - Changes in Fair Value of Warrant Liabilities (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureRecurringFairValueMeasurementsChangesInFairValueOfWarrantLiabilitiesDetailss Recurring Fair Value Measurements - Changes in Fair Value of Warrant Liabilities (Details) Details 75 false false R76.htm 1240604 - Disclosure - Recurring Fair Value Measurements - Additional Information (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureRecurringFairValueMeasurementsAdditionalInformationDetailss Recurring Fair Value Measurements - Additional Information (Details) Details 76 false false R77.htm 1240701 - Disclosure - Deferred Liabilities, Commitments and Contingencies (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureDeferredLiabilitiesCommitmentsAndContingenciesDetailss Deferred Liabilities, Commitments and Contingencies (Details) Details http://MetalsAcquisitionCorp.com/role/DisclosureDeferredLiabilitiesCommitmentsAndContingenciesTables 77 false false R78.htm 1240702 - Disclosure - Deferred Liabilities, Commitments and Contingencies - Loan Note Subscription Agreement - Mezzanine Debt Facility and Equity Subscription Agreement (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureDeferredLiabilitiesCommitmentsAndContingenciesLoanNoteSubscriptionAgreementMezzanineDebtFacilityAndEquitySubscriptionAgreementDetailss Deferred Liabilities, Commitments and Contingencies - Loan Note Subscription Agreement - Mezzanine Debt Facility and Equity Subscription Agreement (Details) Details 78 false false R79.htm 1240703 - Disclosure - Deferred Liabilities, Commitments and Contingencies - Proportions of total Payable Copper (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureDeferredLiabilitiesCommitmentsAndContingenciesProportionsOfTotalPayableCopperDetailss Deferred Liabilities, Commitments and Contingencies - Proportions of total Payable Copper (Details) Details 79 false false R80.htm 1240801 - Disclosure - Shareholders' Deficit - Preference Shares (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureShareholdersDeficitPreferenceSharesDetailss Shareholders' Deficit - Preference Shares (Details) Details 80 false false R81.htm 1240802 - Disclosure - Shareholders' Deficit - Common Stock Shares (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureShareholdersDeficitCommonStockSharesDetailss Shareholders' Deficit - Common Stock Shares (Details) Details 81 false false R82.htm 1240901 - Disclosure - Subsequent Events (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureSubsequentEventsDetailss Subsequent Events (Details) Details http://MetalsAcquisitionCorp.com/role/DisclosureSubsequentEventsTables 82 false false R83.htm 1240902 - Disclosure - Subsequent Events - Working Capital Loans - Senior Syndicated Facility Agreement (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureSubsequentEventsWorkingCapitalLoansSeniorSyndicatedFacilityAgreementDetails Subsequent Events - Working Capital Loans - Senior Syndicated Facility Agreement (Details) Details 83 false false R84.htm 1240903 - Disclosure - Subsequent Events - loan Note Subscription Agreement - Mezzanine Debt Facility and Equity Subscription Agreement (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureSubsequentEventsLoanNoteSubscriptionAgreementMezzanineDebtFacilityAndEquitySubscriptionAgreementDetails Subsequent Events - loan Note Subscription Agreement - Mezzanine Debt Facility and Equity Subscription Agreement (Details) Details 84 false false R85.htm 1240904 - Disclosure - Subsequent Events - Redemptions Backstop Facility (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureSubsequentEventsRedemptionsBackstopFacilityDetails Subsequent Events - Redemptions Backstop Facility (Details) Details 85 false false R86.htm 1240905 - Disclosure - Subsequent Events - Silver Purchase Agreement, Silver Stream Equity Subscription, Redemptions Backstop Facility (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureSubsequentEventsSilverPurchaseAgreementSilverStreamEquitySubscriptionRedemptionsBackstopFacilityDetails Subsequent Events - Silver Purchase Agreement, Silver Stream Equity Subscription, Redemptions Backstop Facility (Details) Details 86 false false R87.htm 1240906 - Disclosure - Subsequent Events - Proportions of total Payable Copper (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureSubsequentEventsProportionsOfTotalPayableCopperDetails Subsequent Events - Proportions of total Payable Copper (Details) Details 87 false false R88.htm 21100100 - Statement - UNAUDITED INTERIM CONDENSED STATEMENT OF PROFIT OR LOSS AND OTHER COMPREHENSIVE INCOME Sheet http://MetalsAcquisitionCorp.com/role/StatementUnauditedInterimCondensedStatementOfProfitOrLossAndOtherComprehensiveIncome UNAUDITED INTERIM CONDENSED STATEMENT OF PROFIT OR LOSS AND OTHER COMPREHENSIVE INCOME Uncategorized 88 false false R89.htm 21100200 - Statement - INTERIM CONDENSED STATEMENT OF FINANCIAL POSITION Sheet http://MetalsAcquisitionCorp.com/role/StatementInterimCondensedStatementOfFinancialPosition INTERIM CONDENSED STATEMENT OF FINANCIAL POSITION Statements 89 false false R90.htm 21100300 - Statement - UNAUDITED INTERIM CONDENSED STATEMENT OF CHANGES IN EQUITY Sheet http://MetalsAcquisitionCorp.com/role/StatementUnauditedInterimCondensedStatementOfChangesInEquity UNAUDITED INTERIM CONDENSED STATEMENT OF CHANGES IN EQUITY Statements 90 false false R91.htm 21100400 - Statement - UNAUDITED INTERIM CONDENSED STATEMENT OF CASH FLOWS Sheet http://MetalsAcquisitionCorp.com/role/StatementUnauditedInterimCondensedStatementOfCashFlows UNAUDITED INTERIM CONDENSED STATEMENT OF CASH FLOWS Statements 91 false false R92.htm 21110101 - Disclosure - Corporate information Sheet http://MetalsAcquisitionCorp.com/role/DisclosureCorporateInformation Corporate information Notes 92 false false R93.htm 21110201 - Disclosure - Significant accounting policies Sheet http://MetalsAcquisitionCorp.com/role/DisclosureSignificantAccountingPoliciesss Significant accounting policies Notes 93 false false R94.htm 21110301 - Disclosure - Critical accounting judgments and key sources of estimation uncertainty Sheet http://MetalsAcquisitionCorp.com/role/DisclosureCriticalAccountingJudgmentsAndKeySourcesOfEstimationUncertainty Critical accounting judgments and key sources of estimation uncertainty Notes 94 false false R95.htm 21110401 - Disclosure - Segment information Sheet http://MetalsAcquisitionCorp.com/role/DisclosureSegmentInformation Segment information Notes 95 false false R96.htm 21110501 - Disclosure - Revenue Sheet http://MetalsAcquisitionCorp.com/role/DisclosureRevenue Revenue Notes 96 false false R97.htm 21110601 - Disclosure - Depreciation and amortization expense Sheet http://MetalsAcquisitionCorp.com/role/DisclosureDepreciationAndAmortizationExpense Depreciation and amortization expense Notes 97 false false R98.htm 21110701 - Disclosure - Employee benefits expense Sheet http://MetalsAcquisitionCorp.com/role/DisclosureEmployeeBenefitsExpense Employee benefits expense Notes 98 false false R99.htm 21110801 - Disclosure - Finance income and costs Sheet http://MetalsAcquisitionCorp.com/role/DisclosureFinanceIncomeAndCosts Finance income and costs Notes 99 false false R100.htm 21110901 - Disclosure - Income taxes Sheet http://MetalsAcquisitionCorp.com/role/DisclosureIncomeTaxes Income taxes Notes 100 false false R101.htm 21111001 - Disclosure - Trade and other receivables Sheet http://MetalsAcquisitionCorp.com/role/DisclosureTradeAndOtherReceivables Trade and other receivables Notes 101 false false R102.htm 21111101 - Disclosure - Inventories Sheet http://MetalsAcquisitionCorp.com/role/DisclosureInventories Inventories Notes 102 false false R103.htm 21111201 - Disclosure - Property, plant and equipment, net Sheet http://MetalsAcquisitionCorp.com/role/DisclosurePropertyPlantAndEquipmentNet Property, plant and equipment, net Notes 103 false false R104.htm 21111301 - Disclosure - Intangible assets, net Sheet http://MetalsAcquisitionCorp.com/role/DisclosureIntangibleAssetsNet Intangible assets, net Notes 104 false false R105.htm 21111401 - Disclosure - Trade and other payables Sheet http://MetalsAcquisitionCorp.com/role/DisclosureTradeAndOtherPayables Trade and other payables Notes 105 false false R106.htm 21111501 - Disclosure - Leases Sheet http://MetalsAcquisitionCorp.com/role/DisclosureLeases Leases Notes 106 false false R107.htm 21111601 - Disclosure - Provisions Sheet http://MetalsAcquisitionCorp.com/role/DisclosureProvisions Provisions Notes 107 false false R108.htm 21111701 - Disclosure - Financial instruments Sheet http://MetalsAcquisitionCorp.com/role/DisclosureFinancialInstruments Financial instruments Notes 108 false false R109.htm 21111801 - Disclosure - Fair value measurements Sheet http://MetalsAcquisitionCorp.com/role/DisclosureFairValueMeasurements Fair value measurements Notes 109 false false R110.htm 21111901 - Disclosure - Commitments Sheet http://MetalsAcquisitionCorp.com/role/DisclosureCommitments Commitments Notes 110 false false R111.htm 21112001 - Disclosure - Contingent liabilities Sheet http://MetalsAcquisitionCorp.com/role/DisclosureContingentLiabilities Contingent liabilities Notes 111 false false R112.htm 21112101 - Disclosure - Relationship with Parent and related entities Sheet http://MetalsAcquisitionCorp.com/role/DisclosureRelationshipWithParentAndRelatedEntities Relationship with Parent and related entities Notes 112 false false R113.htm 21112201 - Disclosure - Share capital Sheet http://MetalsAcquisitionCorp.com/role/DisclosureShareCapital Share capital Notes 113 false false R114.htm 21112301 - Disclosure - Deed of cross guarantee Sheet http://MetalsAcquisitionCorp.com/role/DisclosureDeedOfCrossGuarantee Deed of cross guarantee Notes 114 false false R115.htm 21112401 - Disclosure - Earnings per share Sheet http://MetalsAcquisitionCorp.com/role/DisclosureEarningsPerShare Earnings per share Notes 115 false false R116.htm 21112501 - Disclosure - Subsequent events Sheet http://MetalsAcquisitionCorp.com/role/DisclosureSubsequentEventsss Subsequent events Notes 116 false false R117.htm 21120202 - Disclosure - Significant accounting policies (Policies) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureSignificantAccountingPoliciesPoliciesss Significant accounting policies (Policies) Policies http://MetalsAcquisitionCorp.com/role/DisclosureSignificantAccountingPolicies 117 false false R118.htm 21130503 - Disclosure - Revenue (Tables) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureRevenueTables Revenue (Tables) Tables http://MetalsAcquisitionCorp.com/role/DisclosureRevenue 118 false false R119.htm 21130603 - Disclosure - Depreciation and amortization expense (Tables) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureDepreciationAndAmortizationExpenseTables Depreciation and amortization expense (Tables) Tables http://MetalsAcquisitionCorp.com/role/DisclosureDepreciationAndAmortizationExpense 119 false false R120.htm 21130703 - Disclosure - Employee benefits expense (Tables) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureEmployeeBenefitsExpenseTables Employee benefits expense (Tables) Tables http://MetalsAcquisitionCorp.com/role/DisclosureEmployeeBenefitsExpense 120 false false R121.htm 21130803 - Disclosure - Finance income and costs (Tables) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureFinanceIncomeAndCostsTables Finance income and costs (Tables) Tables http://MetalsAcquisitionCorp.com/role/DisclosureFinanceIncomeAndCosts 121 false false R122.htm 21130903 - Disclosure - Income taxes (Tables) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureIncomeTaxesTables Income taxes (Tables) Tables http://MetalsAcquisitionCorp.com/role/DisclosureIncomeTaxes 122 false false R123.htm 21131003 - Disclosure - Trade and other receivables (Tables) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureTradeAndOtherReceivablesTables Trade and other receivables (Tables) Tables http://MetalsAcquisitionCorp.com/role/DisclosureTradeAndOtherReceivables 123 false false R124.htm 21131103 - Disclosure - Inventories (Tables) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureInventoriesTables Inventories (Tables) Tables http://MetalsAcquisitionCorp.com/role/DisclosureInventories 124 false false R125.htm 21131203 - Disclosure - Property, plant and equipment, net (Tables) Sheet http://MetalsAcquisitionCorp.com/role/DisclosurePropertyPlantAndEquipmentNetTables Property, plant and equipment, net (Tables) Tables http://MetalsAcquisitionCorp.com/role/DisclosurePropertyPlantAndEquipmentNet 125 false false R126.htm 21131403 - Disclosure - Trade and other payables (Tables) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureTradeAndOtherPayablesTables Trade and other payables (Tables) Tables http://MetalsAcquisitionCorp.com/role/DisclosureTradeAndOtherPayables 126 false false R127.htm 21131503 - Disclosure - Leases (Tables) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureLeasesTables Leases (Tables) Tables http://MetalsAcquisitionCorp.com/role/DisclosureLeases 127 false false R128.htm 21131603 - Disclosure - Provisions (Tables) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureProvisionsTables Provisions (Tables) Tables http://MetalsAcquisitionCorp.com/role/DisclosureProvisions 128 false false R129.htm 21131703 - Disclosure - Financial instruments (Tables) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureFinancialInstrumentsTables Financial instruments (Tables) Tables http://MetalsAcquisitionCorp.com/role/DisclosureFinancialInstruments 129 false false R130.htm 21131803 - Disclosure - Fair value measurements (Tables) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureFairValueMeasurementsTables Fair value measurements (Tables) Tables http://MetalsAcquisitionCorp.com/role/DisclosureFairValueMeasurements 130 false false R131.htm 21132103 - Disclosure - Relationship with Parent and related entities (Tables) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureRelationshipWithParentAndRelatedEntitiesTables Relationship with Parent and related entities (Tables) Tables http://MetalsAcquisitionCorp.com/role/DisclosureRelationshipWithParentAndRelatedEntities 131 false false R132.htm 21132203 - Disclosure - Share capital (Tables) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureShareCapitalTables Share capital (Tables) Tables http://MetalsAcquisitionCorp.com/role/DisclosureShareCapital 132 false false R133.htm 21132403 - Disclosure - Earnings per share (Tables) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureEarningsPerShareTables Earnings per share (Tables) Tables http://MetalsAcquisitionCorp.com/role/DisclosureEarningsPerShare 133 false false R134.htm 21140101 - Disclosure - Corporate information (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureCorporateInformationDetails Corporate information (Details) Details http://MetalsAcquisitionCorp.com/role/DisclosureCorporateInformation 134 false false R135.htm 21140201 - Disclosure - Significant accounting policies (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureSignificantAccountingPoliciesDetailsss Significant accounting policies (Details) Details http://MetalsAcquisitionCorp.com/role/DisclosureSignificantAccountingPoliciesPoliciesss 135 false false R136.htm 21140401 - Disclosure - Segment information (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureSegmentInformationDetails Segment information (Details) Details http://MetalsAcquisitionCorp.com/role/DisclosureSegmentInformation 136 false false R137.htm 21140501 - Disclosure - Revenue (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureRevenueDetails Revenue (Details) Details http://MetalsAcquisitionCorp.com/role/DisclosureRevenueTables 137 false false R138.htm 21140601 - Disclosure - Depreciation and amortization expense (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureDepreciationAndAmortizationExpenseDetails Depreciation and amortization expense (Details) Details http://MetalsAcquisitionCorp.com/role/DisclosureDepreciationAndAmortizationExpenseTables 138 false false R139.htm 21140701 - Disclosure - Employee benefits expense (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureEmployeeBenefitsExpenseDetails Employee benefits expense (Details) Details http://MetalsAcquisitionCorp.com/role/DisclosureEmployeeBenefitsExpenseTables 139 false false R140.htm 21140801 - Disclosure - Finance income and costs (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureFinanceIncomeAndCostsDetails Finance income and costs (Details) Details http://MetalsAcquisitionCorp.com/role/DisclosureFinanceIncomeAndCostsTables 140 false false R141.htm 21140901 - Disclosure - Income taxes (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureIncomeTaxesDetails Income taxes (Details) Details http://MetalsAcquisitionCorp.com/role/DisclosureIncomeTaxesTables 141 false false R142.htm 21140902 - Disclosure - Income taxes - Reconciliation (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureIncomeTaxesReconciliationDetails Income taxes - Reconciliation (Details) Details 142 false false R143.htm 21140903 - Disclosure - Income taxes - Deferred Taxes (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureIncomeTaxesDeferredTaxesDetails Income taxes - Deferred Taxes (Details) Details 143 false false R144.htm 21140904 - Disclosure - Income taxes - Additional information (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureIncomeTaxesAdditionalInformationDetails Income taxes - Additional information (Details) Details 144 false false R145.htm 21141001 - Disclosure - Trade and other receivables (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureTradeAndOtherReceivablesDetails Trade and other receivables (Details) Details http://MetalsAcquisitionCorp.com/role/DisclosureTradeAndOtherReceivablesTables 145 false false R146.htm 21141101 - Disclosure - Inventories (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureInventoriesDetails Inventories (Details) Details http://MetalsAcquisitionCorp.com/role/DisclosureInventoriesTables 146 false false R147.htm 21141102 - Disclosure - Inventories - Additional information (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureInventoriesAdditionalInformationDetails Inventories - Additional information (Details) Details 147 false false R148.htm 21141201 - Disclosure - Property, plant and equipment, net (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosurePropertyPlantAndEquipmentNetDetails Property, plant and equipment, net (Details) Details http://MetalsAcquisitionCorp.com/role/DisclosurePropertyPlantAndEquipmentNetTables 148 false false R149.htm 21141202 - Disclosure - Property, plant and equipment, net - Additional information (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosurePropertyPlantAndEquipmentNetAdditionalInformationDetails Property, plant and equipment, net - Additional information (Details) Details 149 false false R150.htm 21141301 - Disclosure - Intangible assets, net (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureIntangibleAssetsNetDetails Intangible assets, net (Details) Details http://MetalsAcquisitionCorp.com/role/DisclosureIntangibleAssetsNet 150 false false R151.htm 21141401 - Disclosure - Trade and other payables (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureTradeAndOtherPayablesDetails Trade and other payables (Details) Details http://MetalsAcquisitionCorp.com/role/DisclosureTradeAndOtherPayablesTables 151 false false R152.htm 21141501 - Disclosure - Leases - Lease Liabilities (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureLeasesLeaseLiabilitiesDetails Leases - Lease Liabilities (Details) Details 152 false false R153.htm 21141502 - Disclosure - Leases - Reconciliation (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureLeasesReconciliationDetails Leases - Reconciliation (Details) Details 153 false false R154.htm 21141503 - Disclosure - Leases - Right-of-use assets (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureLeasesRightOfUseAssetsDetails Leases - Right-of-use assets (Details) Details 154 false false R155.htm 21141504 - Disclosure - Leases - Profit or loss and other comprehensive income (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureLeasesProfitOrLossAndOtherComprehensiveIncomeDetails Leases - Profit or loss and other comprehensive income (Details) Details 155 false false R156.htm 21141601 - Disclosure - Provisions (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureProvisionsDetails Provisions (Details) Details http://MetalsAcquisitionCorp.com/role/DisclosureProvisionsTables 156 false false R157.htm 21141701 - Disclosure - Financial instruments (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureFinancialInstrumentsDetails Financial instruments (Details) Details http://MetalsAcquisitionCorp.com/role/DisclosureFinancialInstrumentsTables 157 false false R158.htm 21141801 - Disclosure - Fair value measurements (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureFairValueMeasurementsDetails Fair value measurements (Details) Details http://MetalsAcquisitionCorp.com/role/DisclosureFairValueMeasurementsTables 158 false false R159.htm 21141802 - Disclosure - Fair value measurements - Additional information (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureFairValueMeasurementsAdditionalInformationDetails Fair value measurements - Additional information (Details) Details 159 false false R160.htm 21141901 - Disclosure - Commitments (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureCommitmentsDetails Commitments (Details) Details http://MetalsAcquisitionCorp.com/role/DisclosureCommitments 160 false false R161.htm 21142001 - Disclosure - Contingent liabilities (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureContingentLiabilitiesDetails Contingent liabilities (Details) Details http://MetalsAcquisitionCorp.com/role/DisclosureContingentLiabilities 161 false false R162.htm 21142101 - Disclosure - Relationship with Parent and related entities (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureRelationshipWithParentAndRelatedEntitiesDetails Relationship with Parent and related entities (Details) Details http://MetalsAcquisitionCorp.com/role/DisclosureRelationshipWithParentAndRelatedEntitiesTables 162 false false R163.htm 21142102 - Disclosure - Relationship with Parent and related entities - Trade payables due to related parties (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureRelationshipWithParentAndRelatedEntitiesTradePayablesDueToRelatedPartiesDetails Relationship with Parent and related entities - Trade payables due to related parties (Details) Details 163 false false R164.htm 21142201 - Disclosure - Share capital (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureShareCapitalDetails Share capital (Details) Details http://MetalsAcquisitionCorp.com/role/DisclosureShareCapitalTables 164 false false R165.htm 21142202 - Disclosure - Share capital - Ordinary shares issued and fully paid (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureShareCapitalOrdinarySharesIssuedAndFullyPaidDetails Share capital - Ordinary shares issued and fully paid (Details) Details 165 false false R166.htm 21142301 - Disclosure - Deed of cross guarantee (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureDeedOfCrossGuaranteeDetails Deed of cross guarantee (Details) Details http://MetalsAcquisitionCorp.com/role/DisclosureDeedOfCrossGuarantee 166 false false R167.htm 21142401 - Disclosure - Earnings per share (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureEarningsPerShareDetails Earnings per share (Details) Details http://MetalsAcquisitionCorp.com/role/DisclosureEarningsPerShareTables 167 false false R168.htm 21142501 - Disclosure - Subsequent events (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureSubsequentEventsDetails Subsequent events (Details) Details http://MetalsAcquisitionCorp.com/role/DisclosureSubsequentEventsss 168 false false R169.htm 21200100 - Statement - STATEMENT OF PROFIT OR LOSS AND OTHER COMPREHENSIVE INCOME Sheet http://MetalsAcquisitionCorp.com/role/StatementStatementOfProfitOrLossAndOtherComprehensiveIncome STATEMENT OF PROFIT OR LOSS AND OTHER COMPREHENSIVE INCOME Uncategorized 169 false false R170.htm 21200200 - Statement - STATEMENT OF FINANCIAL POSITION Sheet http://MetalsAcquisitionCorp.com/role/StatementStatementOfFinancialPosition STATEMENT OF FINANCIAL POSITION Statements 170 false false R171.htm 21200300 - Statement - STATEMENT OF CHANGES IN EQUITY Sheet http://MetalsAcquisitionCorp.com/role/StatementStatementOfChangesInEquity STATEMENT OF CHANGES IN EQUITY Statements 171 false false R172.htm 21200400 - Statement - STATEMENT OF CASH FLOWS Sheet http://MetalsAcquisitionCorp.com/role/StatementStatementOfCashFlows STATEMENT OF CASH FLOWS Statements 172 false false R173.htm 21210101 - Disclosure - Corporate information Sheet http://MetalsAcquisitionCorp.com/role/DisclosureCorporateInformations Corporate information Notes 173 false false R174.htm 21210201 - Disclosure - Significant accounting policies Sheet http://MetalsAcquisitionCorp.com/role/DisclosureSignificantAccountingPoliciessss Significant accounting policies Notes 174 false false R175.htm 21210301 - Disclosure - Critical accounting judgments and key sources of estimation uncertainty Sheet http://MetalsAcquisitionCorp.com/role/DisclosureCriticalAccountingJudgmentsAndKeySourcesOfEstimationUncertaintys Critical accounting judgments and key sources of estimation uncertainty Notes 175 false false R176.htm 21210401 - Disclosure - Segment information Sheet http://MetalsAcquisitionCorp.com/role/DisclosureSegmentInformations Segment information Notes 176 false false R177.htm 21210501 - Disclosure - Revenue Sheet http://MetalsAcquisitionCorp.com/role/DisclosureRevenues Revenue Notes 177 false false R178.htm 21210601 - Disclosure - Depreciation and amortization expense Sheet http://MetalsAcquisitionCorp.com/role/DisclosureDepreciationAndAmortizationExpenses Depreciation and amortization expense Notes 178 false false R179.htm 21210701 - Disclosure - Employee benefits expense Sheet http://MetalsAcquisitionCorp.com/role/DisclosureEmployeeBenefitsExpenses Employee benefits expense Notes 179 false false R180.htm 21210801 - Disclosure - Finance income and costs Sheet http://MetalsAcquisitionCorp.com/role/DisclosureFinanceIncomeAndCostss Finance income and costs Notes 180 false false R181.htm 21210901 - Disclosure - Income taxes Sheet http://MetalsAcquisitionCorp.com/role/DisclosureIncomeTaxess Income taxes Notes 181 false false R182.htm 21211001 - Disclosure - Trade and other receivables Sheet http://MetalsAcquisitionCorp.com/role/DisclosureTradeAndOtherReceivabless Trade and other receivables Notes 182 false false R183.htm 21211101 - Disclosure - Inventories Sheet http://MetalsAcquisitionCorp.com/role/DisclosureInventoriess Inventories Notes 183 false false R184.htm 21211201 - Disclosure - Property, plant and equipment, net Sheet http://MetalsAcquisitionCorp.com/role/DisclosurePropertyPlantAndEquipmentNets Property, plant and equipment, net Notes 184 false false R185.htm 21211301 - Disclosure - Intangible assets, net Sheet http://MetalsAcquisitionCorp.com/role/DisclosureIntangibleAssetsNets Intangible assets, net Notes 185 false false R186.htm 21211401 - Disclosure - Trade and other payables Sheet http://MetalsAcquisitionCorp.com/role/DisclosureTradeAndOtherPayabless Trade and other payables Notes 186 false false R187.htm 21211501 - Disclosure - Leases Sheet http://MetalsAcquisitionCorp.com/role/DisclosureLeasess Leases Notes 187 false false R188.htm 21211601 - Disclosure - Provisions Sheet http://MetalsAcquisitionCorp.com/role/DisclosureProvisionss Provisions Notes 188 false false R189.htm 21211701 - Disclosure - Financial and capital risk management Sheet http://MetalsAcquisitionCorp.com/role/DisclosureFinancialAndCapitalRiskManagement Financial and capital risk management Notes 189 false false R190.htm 21211801 - Disclosure - Financial instruments Sheet http://MetalsAcquisitionCorp.com/role/DisclosureFinancialInstrumentss Financial instruments Notes 190 false false R191.htm 21211901 - Disclosure - Fair value measurements Sheet http://MetalsAcquisitionCorp.com/role/DisclosureFairValueMeasurementss Fair value measurements Notes 191 false false R192.htm 21212001 - Disclosure - Commitments Sheet http://MetalsAcquisitionCorp.com/role/DisclosureCommitmentss Commitments Notes 192 false false R193.htm 21212101 - Disclosure - Contingent liabilities Sheet http://MetalsAcquisitionCorp.com/role/DisclosureContingentLiabilitiess Contingent liabilities Notes 193 false false R194.htm 21212201 - Disclosure - Relationship with Parent and related entities Sheet http://MetalsAcquisitionCorp.com/role/DisclosureRelationshipWithParentAndRelatedEntitiess Relationship with Parent and related entities Notes 194 false false R195.htm 21212301 - Disclosure - Share capital Sheet http://MetalsAcquisitionCorp.com/role/DisclosureShareCapitals Share capital Notes 195 false false R196.htm 21212401 - Disclosure - Deed of cross guarantee Sheet http://MetalsAcquisitionCorp.com/role/DisclosureDeedOfCrossGuarantees Deed of cross guarantee Notes 196 false false R197.htm 21212501 - Disclosure - Earnings per share Sheet http://MetalsAcquisitionCorp.com/role/DisclosureEarningsPerShares Earnings per share Notes 197 false false R198.htm 21212601 - Disclosure - Subsequent events Sheet http://MetalsAcquisitionCorp.com/role/DisclosureSubsequentEventssss Subsequent events Notes 198 false false R199.htm 21220202 - Disclosure - Significant accounting policies (Policies) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureSignificantAccountingPoliciesPoliciessss Significant accounting policies (Policies) Policies http://MetalsAcquisitionCorp.com/role/DisclosureSignificantAccountingPolicies 199 false false R200.htm 21230203 - Disclosure - Significant accounting policies (Tables) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureSignificantAccountingPoliciesTablesss Significant accounting policies (Tables) Tables http://MetalsAcquisitionCorp.com/role/DisclosureSignificantAccountingPoliciesss 200 false false R201.htm 21230503 - Disclosure - Revenue (Tables) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureRevenueTabless Revenue (Tables) Tables http://MetalsAcquisitionCorp.com/role/DisclosureRevenue 201 false false R202.htm 21230603 - Disclosure - Depreciation and amortization expense (Tables) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureDepreciationAndAmortizationExpenseTabless Depreciation and amortization expense (Tables) Tables http://MetalsAcquisitionCorp.com/role/DisclosureDepreciationAndAmortizationExpense 202 false false R203.htm 21230703 - Disclosure - Employee benefits expense (Tables) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureEmployeeBenefitsExpenseTabless Employee benefits expense (Tables) Tables http://MetalsAcquisitionCorp.com/role/DisclosureEmployeeBenefitsExpense 203 false false R204.htm 21230803 - Disclosure - Finance income and costs (Tables) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureFinanceIncomeAndCostsTabless Finance income and costs (Tables) Tables http://MetalsAcquisitionCorp.com/role/DisclosureFinanceIncomeAndCosts 204 false false R205.htm 21230903 - Disclosure - Income taxes (Tables) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureIncomeTaxesTabless Income taxes (Tables) Tables http://MetalsAcquisitionCorp.com/role/DisclosureIncomeTaxes 205 false false R206.htm 21231003 - Disclosure - Trade and other receivables (Tables) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureTradeAndOtherReceivablesTabless Trade and other receivables (Tables) Tables http://MetalsAcquisitionCorp.com/role/DisclosureTradeAndOtherReceivables 206 false false R207.htm 21231103 - Disclosure - Inventories (Tables) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureInventoriesTabless Inventories (Tables) Tables http://MetalsAcquisitionCorp.com/role/DisclosureInventories 207 false false R208.htm 21231203 - Disclosure - Property, plant and equipment, net (Tables) Sheet http://MetalsAcquisitionCorp.com/role/DisclosurePropertyPlantAndEquipmentNetTabless Property, plant and equipment, net (Tables) Tables http://MetalsAcquisitionCorp.com/role/DisclosurePropertyPlantAndEquipmentNet 208 false false R209.htm 21231403 - Disclosure - Trade and other payables (Tables) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureTradeAndOtherPayablesTabless Trade and other payables (Tables) Tables http://MetalsAcquisitionCorp.com/role/DisclosureTradeAndOtherPayables 209 false false R210.htm 21231503 - Disclosure - Leases (Tables) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureLeasesTabless Leases (Tables) Tables http://MetalsAcquisitionCorp.com/role/DisclosureLeases 210 false false R211.htm 21231603 - Disclosure - Provisions (Tables) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureProvisionsTabless Provisions (Tables) Tables http://MetalsAcquisitionCorp.com/role/DisclosureProvisions 211 false false R212.htm 21231703 - Disclosure - Financial and capital risk management (Tables) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureFinancialAndCapitalRiskManagementTables Financial and capital risk management (Tables) Tables http://MetalsAcquisitionCorp.com/role/DisclosureFinancialAndCapitalRiskManagement 212 false false R213.htm 21231803 - Disclosure - Financial instruments (Tables) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureFinancialInstrumentsTabless Financial instruments (Tables) Tables http://MetalsAcquisitionCorp.com/role/DisclosureFinancialInstruments 213 false false R214.htm 21231903 - Disclosure - Fair value measurements (Tables) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureFairValueMeasurementsTabless Fair value measurements (Tables) Tables http://MetalsAcquisitionCorp.com/role/DisclosureFairValueMeasurements 214 false false R215.htm 21232203 - Disclosure - Relationship with Parent and related entities (Tables) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureRelationshipWithParentAndRelatedEntitiesTabless Relationship with Parent and related entities (Tables) Tables http://MetalsAcquisitionCorp.com/role/DisclosureRelationshipWithParentAndRelatedEntities 215 false false R216.htm 21232303 - Disclosure - Share capital (Tables) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureShareCapitalTabless Share capital (Tables) Tables http://MetalsAcquisitionCorp.com/role/DisclosureShareCapital 216 false false R217.htm 21232503 - Disclosure - Earnings per share (Tables) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureEarningsPerShareTabless Earnings per share (Tables) Tables http://MetalsAcquisitionCorp.com/role/DisclosureEarningsPerShare 217 false false R218.htm 21240101 - Disclosure - Corporate information (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureCorporateInformationDetailss Corporate information (Details) Details http://MetalsAcquisitionCorp.com/role/DisclosureCorporateInformation 218 false false R219.htm 21240201 - Disclosure - Significant accounting policies (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureSignificantAccountingPoliciesDetailssss Significant accounting policies (Details) Details http://MetalsAcquisitionCorp.com/role/DisclosureSignificantAccountingPoliciesTablesss 219 false false R220.htm 21240202 - Disclosure - Significant accounting policies - Property, plant and equipment (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureSignificantAccountingPoliciesPropertyPlantAndEquipmentDetails Significant accounting policies - Property, plant and equipment (Details) Details 220 false false R221.htm 21240203 - Disclosure - Significant accounting policies - Intangible assets (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureSignificantAccountingPoliciesIntangibleAssetsDetails Significant accounting policies - Intangible assets (Details) Details 221 false false R222.htm 21240401 - Disclosure - Segment information (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureSegmentInformationDetailss Segment information (Details) Details http://MetalsAcquisitionCorp.com/role/DisclosureSegmentInformation 222 false false R223.htm 21240501 - Disclosure - Revenue (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureRevenueDetailss Revenue (Details) Details http://MetalsAcquisitionCorp.com/role/DisclosureRevenueTables 223 false false R224.htm 21240601 - Disclosure - Depreciation and amortization expense (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureDepreciationAndAmortizationExpenseDetailss Depreciation and amortization expense (Details) Details http://MetalsAcquisitionCorp.com/role/DisclosureDepreciationAndAmortizationExpenseTables 224 false false R225.htm 21240701 - Disclosure - Employee benefits expense (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureEmployeeBenefitsExpenseDetailss Employee benefits expense (Details) Details http://MetalsAcquisitionCorp.com/role/DisclosureEmployeeBenefitsExpenseTables 225 false false R226.htm 21240801 - Disclosure - Finance income and costs (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureFinanceIncomeAndCostsDetailss Finance income and costs (Details) Details http://MetalsAcquisitionCorp.com/role/DisclosureFinanceIncomeAndCostsTables 226 false false R227.htm 21240901 - Disclosure - Income taxes (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureIncomeTaxesDetailss Income taxes (Details) Details http://MetalsAcquisitionCorp.com/role/DisclosureIncomeTaxesTables 227 false false R228.htm 21240902 - Disclosure - Income taxes - Reconciliation (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureIncomeTaxesReconciliationDetailss Income taxes - Reconciliation (Details) Details 228 false false R229.htm 21240903 - Disclosure - Income taxes - Deferred Taxes (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureIncomeTaxesDeferredTaxesDetailss Income taxes - Deferred Taxes (Details) Details 229 false false R230.htm 21240904 - Disclosure - Income taxes - Additional information (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureIncomeTaxesAdditionalInformationDetailss Income taxes - Additional information (Details) Details 230 false false R231.htm 21241001 - Disclosure - Trade and other receivables (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureTradeAndOtherReceivablesDetailss Trade and other receivables (Details) Details http://MetalsAcquisitionCorp.com/role/DisclosureTradeAndOtherReceivablesTables 231 false false R232.htm 21241101 - Disclosure - Inventories (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureInventoriesDetailss Inventories (Details) Details http://MetalsAcquisitionCorp.com/role/DisclosureInventoriesTables 232 false false R233.htm 21241102 - Disclosure - Inventories - Additional information (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureInventoriesAdditionalInformationDetailss Inventories - Additional information (Details) Details 233 false false R234.htm 21241201 - Disclosure - Property, plant and equipment, net (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosurePropertyPlantAndEquipmentNetDetailss Property, plant and equipment, net (Details) Details http://MetalsAcquisitionCorp.com/role/DisclosurePropertyPlantAndEquipmentNetTables 234 false false R235.htm 21241202 - Disclosure - Property, plant and equipment, net - Additional information (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosurePropertyPlantAndEquipmentNetAdditionalInformationDetailss Property, plant and equipment, net - Additional information (Details) Details 235 false false R236.htm 21241301 - Disclosure - Intangible assets, net (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureIntangibleAssetsNetDetailss Intangible assets, net (Details) Details http://MetalsAcquisitionCorp.com/role/DisclosureIntangibleAssetsNet 236 false false R237.htm 21241401 - Disclosure - Trade and other payables (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureTradeAndOtherPayablesDetailss Trade and other payables (Details) Details http://MetalsAcquisitionCorp.com/role/DisclosureTradeAndOtherPayablesTables 237 false false R238.htm 21241501 - Disclosure - Leases - Lease Liabilities (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureLeasesLeaseLiabilitiesDetailss Leases - Lease Liabilities (Details) Details 238 false false R239.htm 21241502 - Disclosure - Leases - Reconciliation (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureLeasesReconciliationDetailss Leases - Reconciliation (Details) Details 239 false false R240.htm 21241503 - Disclosure - Leases - Right-of-use assets (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureLeasesRightOfUseAssetsDetailss Leases - Right-of-use assets (Details) Details 240 false false R241.htm 21241504 - Disclosure - Leases - profit or loss and other comprehensive income (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureLeasesProfitOrLossAndOtherComprehensiveIncomeDetailss Leases - profit or loss and other comprehensive income (Details) Details 241 false false R242.htm 21241601 - Disclosure - Provisions (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureProvisionsDetailss Provisions (Details) Details http://MetalsAcquisitionCorp.com/role/DisclosureProvisionsTables 242 false false R243.htm 21241602 - Disclosure - Provisions - Additional information (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureProvisionsAdditionalInformationDetails Provisions - Additional information (Details) Details 243 false false R244.htm 21241701 - Disclosure - Financial and capital risk management - Additional Information (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureFinancialAndCapitalRiskManagementAdditionalInformationDetails Financial and capital risk management - Additional Information (Details) Details 244 false false R245.htm 21241702 - Disclosure - Financial and capital risk management - Carrying amounts of Company's foreign currency denominated monetary assets and monetary liabilities at reporting date (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureFinancialAndCapitalRiskManagementCarryingAmountsOfCompanySForeignCurrencyDenominatedMonetaryAssetsAndMonetaryLiabilitiesAtReportingDateDetails Financial and capital risk management - Carrying amounts of Company's foreign currency denominated monetary assets and monetary liabilities at reporting date (Details) Details 245 false false R246.htm 21241703 - Disclosure - Financial and capital risk management - Company's sensitivity to 10 percentage increase and decrease in U.S. dollar against relevant foreign currencies (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureFinancialAndCapitalRiskManagementCompanySSensitivityTo10PercentageIncreaseAndDecreaseInUsDollarAgainstRelevantForeignCurrenciesDetails Financial and capital risk management - Company's sensitivity to 10 percentage increase and decrease in U.S. dollar against relevant foreign currencies (Details) Details 246 false false R247.htm 21241704 - Disclosure - Financial and capital risk management - Maturity Profile of Company's financial liabilities based on contractual terms, and associated current financial assets (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureFinancialAndCapitalRiskManagementMaturityProfileOfCompanySFinancialLiabilitiesBasedOnContractualTermsAndAssociatedCurrentFinancialAssetsDetails Financial and capital risk management - Maturity Profile of Company's financial liabilities based on contractual terms, and associated current financial assets (Details) Details 247 false false R248.htm 21241801 - Disclosure - Financial instruments (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureFinancialInstrumentsDetailss Financial instruments (Details) Details http://MetalsAcquisitionCorp.com/role/DisclosureFinancialInstrumentsTables 248 false false R249.htm 21241901 - Disclosure - Fair value measurements (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureFairValueMeasurementsDetailss Fair value measurements (Details) Details http://MetalsAcquisitionCorp.com/role/DisclosureFairValueMeasurementsTables 249 false false R250.htm 21241902 - Disclosure - Fair value measurements -Additional information (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureFairValueMeasurementsAdditionalInformationDetailss Fair value measurements -Additional information (Details) Details 250 false false R251.htm 21242001 - Disclosure - Commitments (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureCommitmentsDetailss Commitments (Details) Details http://MetalsAcquisitionCorp.com/role/DisclosureCommitments 251 false false R252.htm 21242101 - Disclosure - Contingent liabilities (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureContingentLiabilitiesDetailss Contingent liabilities (Details) Details http://MetalsAcquisitionCorp.com/role/DisclosureContingentLiabilities 252 false false R253.htm 21242201 - Disclosure - Relationship with Parent and related entities (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureRelationshipWithParentAndRelatedEntitiesDetailss Relationship with Parent and related entities (Details) Details http://MetalsAcquisitionCorp.com/role/DisclosureRelationshipWithParentAndRelatedEntitiesTables 253 false false R254.htm 21242202 - Disclosure - Relationship with Parent and related entities - Trade payables due to related parties (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureRelationshipWithParentAndRelatedEntitiesTradePayablesDueToRelatedPartiesDetailss Relationship with Parent and related entities - Trade payables due to related parties (Details) Details 254 false false R255.htm 21242301 - Disclosure - Share capital (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureShareCapitalDetailss Share capital (Details) Details http://MetalsAcquisitionCorp.com/role/DisclosureShareCapitalTables 255 false false R256.htm 21242302 - Disclosure - Share capital - Ordinary shares issued and fully paid (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureShareCapitalOrdinarySharesIssuedAndFullyPaidDetailss Share capital - Ordinary shares issued and fully paid (Details) Details 256 false false R257.htm 21242401 - Disclosure - Deed of cross guarantee (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureDeedOfCrossGuaranteeDetailss Deed of cross guarantee (Details) Details http://MetalsAcquisitionCorp.com/role/DisclosureDeedOfCrossGuarantee 257 false false R258.htm 21242501 - Disclosure - Earnings per share (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureEarningsPerShareDetailss Earnings per share (Details) Details http://MetalsAcquisitionCorp.com/role/DisclosureEarningsPerShareTables 258 false false R259.htm 2200100 - Statement - Statement of profit or loss and other comprehensive income Sheet http://MetalsAcquisitionCorp.com/role/StatementStatementOfProfitOrLossAndOtherComprehensiveIncomes Statement of profit or loss and other comprehensive income Uncategorized 259 false false R260.htm 2200200 - Statement - Statement of financial position Sheet http://MetalsAcquisitionCorp.com/role/StatementStatementOfFinancialPositions Statement of financial position Statements 260 false false R261.htm 2200300 - Statement - Statement of changes in equity Sheet http://MetalsAcquisitionCorp.com/role/StatementStatementOfChangesInEquitys Statement of changes in equity Statements 261 false false R262.htm 2200400 - Statement - Statement of cash flows Sheet http://MetalsAcquisitionCorp.com/role/StatementStatementOfCashFlowss Statement of cash flows Statements 262 false false R263.htm 2210101 - Disclosure - Corporate information Sheet http://MetalsAcquisitionCorp.com/role/DisclosureCorporateInformationss Corporate information Notes 263 false false R264.htm 2210201 - Disclosure - Significant accounting policies Sheet http://MetalsAcquisitionCorp.com/role/DisclosureSignificantAccountingPoliciesssss Significant accounting policies Notes 264 false false R265.htm 2210301 - Disclosure - Critical accounting judgments and key sources of estimation uncertainty Sheet http://MetalsAcquisitionCorp.com/role/DisclosureCriticalAccountingJudgmentsAndKeySourcesOfEstimationUncertaintyss Critical accounting judgments and key sources of estimation uncertainty Notes 265 false false R266.htm 2210401 - Disclosure - Segment information Sheet http://MetalsAcquisitionCorp.com/role/DisclosureSegmentInformationss Segment information Notes 266 false false R267.htm 2210501 - Disclosure - Revenue Sheet http://MetalsAcquisitionCorp.com/role/DisclosureRevenuess Revenue Notes 267 false false R268.htm 2210601 - Disclosure - Depreciation and amortization expense Sheet http://MetalsAcquisitionCorp.com/role/DisclosureDepreciationAndAmortizationExpensess Depreciation and amortization expense Notes 268 false false R269.htm 2210701 - Disclosure - Employee benefits expense Sheet http://MetalsAcquisitionCorp.com/role/DisclosureEmployeeBenefitsExpensess Employee benefits expense Notes 269 false false R270.htm 2210801 - Disclosure - Finance income and costs Sheet http://MetalsAcquisitionCorp.com/role/DisclosureFinanceIncomeAndCostsss Finance income and costs Notes 270 false false R271.htm 2210901 - Disclosure - Income taxes Sheet http://MetalsAcquisitionCorp.com/role/DisclosureIncomeTaxesss Income taxes Notes 271 false false R272.htm 2211001 - Disclosure - Trade and other receivables Sheet http://MetalsAcquisitionCorp.com/role/DisclosureTradeAndOtherReceivablesss Trade and other receivables Notes 272 false false R273.htm 2211101 - Disclosure - Inventories Sheet http://MetalsAcquisitionCorp.com/role/DisclosureInventoriesss Inventories Notes 273 false false R274.htm 2211201 - Disclosure - Property, plant and equipment, net Sheet http://MetalsAcquisitionCorp.com/role/DisclosurePropertyPlantAndEquipmentNetss Property, plant and equipment, net Notes 274 false false R275.htm 2211301 - Disclosure - Intangible assets, net Sheet http://MetalsAcquisitionCorp.com/role/DisclosureIntangibleAssetsNetss Intangible assets, net Notes 275 false false R276.htm 2211401 - Disclosure - Trade and other payables Sheet http://MetalsAcquisitionCorp.com/role/DisclosureTradeAndOtherPayablesss Trade and other payables Notes 276 false false R277.htm 2211501 - Disclosure - Leases Sheet http://MetalsAcquisitionCorp.com/role/DisclosureLeasesss Leases Notes 277 false false R278.htm 2211601 - Disclosure - Provisions Sheet http://MetalsAcquisitionCorp.com/role/DisclosureProvisionsss Provisions Notes 278 false false R279.htm 2211701 - Disclosure - Financial and capital risk management Sheet http://MetalsAcquisitionCorp.com/role/DisclosureFinancialAndCapitalRiskManagements Financial and capital risk management Notes 279 false false R280.htm 2211801 - Disclosure - Financial instruments Sheet http://MetalsAcquisitionCorp.com/role/DisclosureFinancialInstrumentsss Financial instruments Notes 280 false false R281.htm 2211901 - Disclosure - Fair value measurements Sheet http://MetalsAcquisitionCorp.com/role/DisclosureFairValueMeasurementsss Fair value measurements Notes 281 false false R282.htm 2212001 - Disclosure - Commitments Sheet http://MetalsAcquisitionCorp.com/role/DisclosureCommitmentsss Commitments Notes 282 false false R283.htm 2212101 - Disclosure - Contingent liabilities Sheet http://MetalsAcquisitionCorp.com/role/DisclosureContingentLiabilitiesss Contingent liabilities Notes 283 false false R284.htm 2212201 - Disclosure - Relationship with Parent and related entities Sheet http://MetalsAcquisitionCorp.com/role/DisclosureRelationshipWithParentAndRelatedEntitiesss Relationship with Parent and related entities Notes 284 false false R285.htm 2212301 - Disclosure - Share capital Sheet http://MetalsAcquisitionCorp.com/role/DisclosureShareCapitalss Share capital Notes 285 false false R286.htm 2212401 - Disclosure - Deed of cross guarantee Sheet http://MetalsAcquisitionCorp.com/role/DisclosureDeedOfCrossGuaranteess Deed of cross guarantee Notes 286 false false R287.htm 2212501 - Disclosure - Earnings per share Sheet http://MetalsAcquisitionCorp.com/role/DisclosureEarningsPerSharess Earnings per share Notes 287 false false R288.htm 2212601 - Disclosure - Subsequent events Sheet http://MetalsAcquisitionCorp.com/role/DisclosureSubsequentEventsssss Subsequent events Notes 288 false false R289.htm 2220202 - Disclosure - Significant accounting policies (Policies) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureSignificantAccountingPoliciesPoliciesssss Significant accounting policies (Policies) Policies http://MetalsAcquisitionCorp.com/role/DisclosureSignificantAccountingPolicies 289 false false R290.htm 2230203 - Disclosure - Significant accounting policies (Tables) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureSignificantAccountingPoliciesTablessss Significant accounting policies (Tables) Tables http://MetalsAcquisitionCorp.com/role/DisclosureSignificantAccountingPoliciesss 290 false false R291.htm 2230503 - Disclosure - Revenue (Tables) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureRevenueTablesss Revenue (Tables) Tables http://MetalsAcquisitionCorp.com/role/DisclosureRevenue 291 false false R292.htm 2230603 - Disclosure - Depreciation and amortization expense (Tables) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureDepreciationAndAmortizationExpenseTablesss Depreciation and amortization expense (Tables) Tables http://MetalsAcquisitionCorp.com/role/DisclosureDepreciationAndAmortizationExpense 292 false false R293.htm 2230703 - Disclosure - Employee benefits expense (Tables) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureEmployeeBenefitsExpenseTablesss Employee benefits expense (Tables) Tables http://MetalsAcquisitionCorp.com/role/DisclosureEmployeeBenefitsExpense 293 false false R294.htm 2230803 - Disclosure - Finance income and costs (Tables) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureFinanceIncomeAndCostsTablesss Finance income and costs (Tables) Tables http://MetalsAcquisitionCorp.com/role/DisclosureFinanceIncomeAndCosts 294 false false R295.htm 2230903 - Disclosure - Income taxes (Tables) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureIncomeTaxesTablesss Income taxes (Tables) Tables http://MetalsAcquisitionCorp.com/role/DisclosureIncomeTaxes 295 false false R296.htm 2231003 - Disclosure - Trade and other receivables (Tables) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureTradeAndOtherReceivablesTablesss Trade and other receivables (Tables) Tables http://MetalsAcquisitionCorp.com/role/DisclosureTradeAndOtherReceivables 296 false false R297.htm 2231103 - Disclosure - Inventories (Tables) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureInventoriesTablesss Inventories (Tables) Tables http://MetalsAcquisitionCorp.com/role/DisclosureInventories 297 false false R298.htm 2231203 - Disclosure - Property, plant and equipment, net (Tables) Sheet http://MetalsAcquisitionCorp.com/role/DisclosurePropertyPlantAndEquipmentNetTablesss Property, plant and equipment, net (Tables) Tables http://MetalsAcquisitionCorp.com/role/DisclosurePropertyPlantAndEquipmentNet 298 false false R299.htm 2231403 - Disclosure - Trade and other payables (Tables) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureTradeAndOtherPayablesTablesss Trade and other payables (Tables) Tables http://MetalsAcquisitionCorp.com/role/DisclosureTradeAndOtherPayables 299 false false R300.htm 2231503 - Disclosure - Leases (Tables) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureLeasesTablesss Leases (Tables) Tables http://MetalsAcquisitionCorp.com/role/DisclosureLeases 300 false false R301.htm 2231603 - Disclosure - Provisions (Tables) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureProvisionsTablesss Provisions (Tables) Tables http://MetalsAcquisitionCorp.com/role/DisclosureProvisions 301 false false R302.htm 2231703 - Disclosure - Financial and capital risk management (Tables) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureFinancialAndCapitalRiskManagementTabless Financial and capital risk management (Tables) Tables http://MetalsAcquisitionCorp.com/role/DisclosureFinancialAndCapitalRiskManagement 302 false false R303.htm 2231803 - Disclosure - Financial instruments (Tables) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureFinancialInstrumentsTablesss Financial instruments (Tables) Tables http://MetalsAcquisitionCorp.com/role/DisclosureFinancialInstruments 303 false false R304.htm 2231903 - Disclosure - Fair value measurements (Tables) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureFairValueMeasurementsTablesss Fair value measurements (Tables) Tables http://MetalsAcquisitionCorp.com/role/DisclosureFairValueMeasurements 304 false false R305.htm 2232203 - Disclosure - Relationship with Parent and related entities (Tables) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureRelationshipWithParentAndRelatedEntitiesTablesss Relationship with Parent and related entities (Tables) Tables http://MetalsAcquisitionCorp.com/role/DisclosureRelationshipWithParentAndRelatedEntities 305 false false R306.htm 2232303 - Disclosure - Share capital (Tables) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureShareCapitalTablesss Share capital (Tables) Tables http://MetalsAcquisitionCorp.com/role/DisclosureShareCapital 306 false false R307.htm 2232503 - Disclosure - Earnings per share (Tables) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureEarningsPerShareTablesss Earnings per share (Tables) Tables http://MetalsAcquisitionCorp.com/role/DisclosureEarningsPerShare 307 false false R308.htm 2240101 - Disclosure - Corporate information (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureCorporateInformationDetailsss Corporate information (Details) Details http://MetalsAcquisitionCorp.com/role/DisclosureCorporateInformation 308 false false R309.htm 2240201 - Disclosure - Significant accounting policies (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureSignificantAccountingPoliciesDetailsssss Significant accounting policies (Details) Details http://MetalsAcquisitionCorp.com/role/DisclosureSignificantAccountingPoliciesTablesss 309 false false R310.htm 2240202 - Disclosure - Significant accounting policies - Property, plant and equipment (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureSignificantAccountingPoliciesPropertyPlantAndEquipmentDetailss Significant accounting policies - Property, plant and equipment (Details) Details 310 false false R311.htm 2240203 - Disclosure - Significant accounting policies - Intangible assets (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureSignificantAccountingPoliciesIntangibleAssetsDetailss Significant accounting policies - Intangible assets (Details) Details 311 false false R312.htm 2240401 - Disclosure - Segment information (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureSegmentInformationDetailsss Segment information (Details) Details http://MetalsAcquisitionCorp.com/role/DisclosureSegmentInformation 312 false false R313.htm 2240501 - Disclosure - Revenue (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureRevenueDetailsss Revenue (Details) Details http://MetalsAcquisitionCorp.com/role/DisclosureRevenueTables 313 false false R314.htm 2240601 - Disclosure - Depreciation and amortization expense (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureDepreciationAndAmortizationExpenseDetailsss Depreciation and amortization expense (Details) Details http://MetalsAcquisitionCorp.com/role/DisclosureDepreciationAndAmortizationExpenseTables 314 false false R315.htm 2240701 - Disclosure - Employee benefits expense (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureEmployeeBenefitsExpenseDetailsss Employee benefits expense (Details) Details http://MetalsAcquisitionCorp.com/role/DisclosureEmployeeBenefitsExpenseTables 315 false false R316.htm 2240801 - Disclosure - Finance income and costs (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureFinanceIncomeAndCostsDetailsss Finance income and costs (Details) Details http://MetalsAcquisitionCorp.com/role/DisclosureFinanceIncomeAndCostsTables 316 false false R317.htm 2240901 - Disclosure - Income taxes (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureIncomeTaxesDetailsss Income taxes (Details) Details http://MetalsAcquisitionCorp.com/role/DisclosureIncomeTaxesTables 317 false false R318.htm 2240902 - Disclosure - Income taxes - Reconciliation (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureIncomeTaxesReconciliationDetailsss Income taxes - Reconciliation (Details) Details 318 false false R319.htm 2240903 - Disclosure - Income taxes - Deferred Taxes (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureIncomeTaxesDeferredTaxesDetailsss Income taxes - Deferred Taxes (Details) Details 319 false false R320.htm 2240904 - Disclosure - Income taxes - Additional information (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureIncomeTaxesAdditionalInformationDetailsss Income taxes - Additional information (Details) Details 320 false false R321.htm 2241001 - Disclosure - Trade and other receivables (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureTradeAndOtherReceivablesDetailsss Trade and other receivables (Details) Details http://MetalsAcquisitionCorp.com/role/DisclosureTradeAndOtherReceivablesTables 321 false false R322.htm 2241101 - Disclosure - Inventories (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureInventoriesDetailsss Inventories (Details) Details http://MetalsAcquisitionCorp.com/role/DisclosureInventoriesTables 322 false false R323.htm 2241102 - Disclosure - Inventories - Additional information (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureInventoriesAdditionalInformationDetailsss Inventories - Additional information (Details) Details 323 false false R324.htm 2241201 - Disclosure - Property, plant and equipment, net (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosurePropertyPlantAndEquipmentNetDetailsss Property, plant and equipment, net (Details) Details http://MetalsAcquisitionCorp.com/role/DisclosurePropertyPlantAndEquipmentNetTables 324 false false R325.htm 2241202 - Disclosure - Property, plant and equipment, net - Additional information (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosurePropertyPlantAndEquipmentNetAdditionalInformationDetailsss Property, plant and equipment, net - Additional information (Details) Details 325 false false R326.htm 2241301 - Disclosure - Intangible assets, net (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureIntangibleAssetsNetDetailsss Intangible assets, net (Details) Details http://MetalsAcquisitionCorp.com/role/DisclosureIntangibleAssetsNet 326 false false R327.htm 2241401 - Disclosure - Trade and other payables (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureTradeAndOtherPayablesDetailsss Trade and other payables (Details) Details http://MetalsAcquisitionCorp.com/role/DisclosureTradeAndOtherPayablesTables 327 false false R328.htm 2241501 - Disclosure - Leases - Lease Liabilities (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureLeasesLeaseLiabilitiesDetailsss Leases - Lease Liabilities (Details) Details 328 false false R329.htm 2241502 - Disclosure - Leases - Reconciliation (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureLeasesReconciliationDetailsss Leases - Reconciliation (Details) Details 329 false false R330.htm 2241503 - Disclosure - Leases - Right-of-use assets (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureLeasesRightOfUseAssetsDetailsss Leases - Right-of-use assets (Details) Details 330 false false R331.htm 2241504 - Disclosure - Leases - profit or loss and other comprehensive income (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureLeasesProfitOrLossAndOtherComprehensiveIncomeDetailsss Leases - profit or loss and other comprehensive income (Details) Details 331 false false R332.htm 2241601 - Disclosure - Provisions (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureProvisionsDetailsss Provisions (Details) Details http://MetalsAcquisitionCorp.com/role/DisclosureProvisionsTables 332 false false R333.htm 2241602 - Disclosure - Provisions - Additional information (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureProvisionsAdditionalInformationDetailss Provisions - Additional information (Details) Details 333 false false R334.htm 2241701 - Disclosure - Financial and capital risk management - Additional Information (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureFinancialAndCapitalRiskManagementAdditionalInformationDetailss Financial and capital risk management - Additional Information (Details) Details 334 false false R335.htm 2241702 - Disclosure - Financial and capital risk management - Carrying amounts of Company's foreign currency denominated monetary assets and monetary liabilities at reporting date (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureFinancialAndCapitalRiskManagementCarryingAmountsOfCompanySForeignCurrencyDenominatedMonetaryAssetsAndMonetaryLiabilitiesAtReportingDateDetailss Financial and capital risk management - Carrying amounts of Company's foreign currency denominated monetary assets and monetary liabilities at reporting date (Details) Details 335 false false R336.htm 2241703 - Disclosure - Financial and capital risk management - Company's sensitivity to 10 percentage increase and decrease in U.S. dollar against relevant foreign currencies (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureFinancialAndCapitalRiskManagementCompanySSensitivityTo10PercentageIncreaseAndDecreaseInUsDollarAgainstRelevantForeignCurrenciesDetailss Financial and capital risk management - Company's sensitivity to 10 percentage increase and decrease in U.S. dollar against relevant foreign currencies (Details) Details 336 false false R337.htm 2241704 - Disclosure - Financial and capital risk management - Maturity Profile of Company's financial liabilities based on contractual terms, and associated current financial assets (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureFinancialAndCapitalRiskManagementMaturityProfileOfCompanySFinancialLiabilitiesBasedOnContractualTermsAndAssociatedCurrentFinancialAssetsDetailss Financial and capital risk management - Maturity Profile of Company's financial liabilities based on contractual terms, and associated current financial assets (Details) Details 337 false false R338.htm 2241801 - Disclosure - Financial instruments (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureFinancialInstrumentsDetailsss Financial instruments (Details) Details http://MetalsAcquisitionCorp.com/role/DisclosureFinancialInstrumentsTables 338 false false R339.htm 2241901 - Disclosure - Fair value measurements (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureFairValueMeasurementsDetailsss Fair value measurements (Details) Details http://MetalsAcquisitionCorp.com/role/DisclosureFairValueMeasurementsTables 339 false false R340.htm 2241902 - Disclosure - Fair value measurements -Additional information (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureFairValueMeasurementsAdditionalInformationDetailsss Fair value measurements -Additional information (Details) Details 340 false false R341.htm 2242001 - Disclosure - Commitments (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureCommitmentsDetailsss Commitments (Details) Details http://MetalsAcquisitionCorp.com/role/DisclosureCommitments 341 false false R342.htm 2242101 - Disclosure - Contingent liabilities (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureContingentLiabilitiesDetailsss Contingent liabilities (Details) Details http://MetalsAcquisitionCorp.com/role/DisclosureContingentLiabilities 342 false false R343.htm 2242201 - Disclosure - Relationship with Parent and related entities (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureRelationshipWithParentAndRelatedEntitiesDetailsss Relationship with Parent and related entities (Details) Details http://MetalsAcquisitionCorp.com/role/DisclosureRelationshipWithParentAndRelatedEntitiesTables 343 false false R344.htm 2242202 - Disclosure - Relationship with Parent and related entities - Trade payables due to related parties (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureRelationshipWithParentAndRelatedEntitiesTradePayablesDueToRelatedPartiesDetailsss Relationship with Parent and related entities - Trade payables due to related parties (Details) Details 344 false false R345.htm 2242301 - Disclosure - Share capital (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureShareCapitalDetailsss Share capital (Details) Details http://MetalsAcquisitionCorp.com/role/DisclosureShareCapitalTables 345 false false R346.htm 2242302 - Disclosure - Share capital - Ordinary shares issued and fully paid (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureShareCapitalOrdinarySharesIssuedAndFullyPaidDetailsss Share capital - Ordinary shares issued and fully paid (Details) Details 346 false false R347.htm 2242401 - Disclosure - Deed of cross guarantee (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureDeedOfCrossGuaranteeDetailsss Deed of cross guarantee (Details) Details http://MetalsAcquisitionCorp.com/role/DisclosureDeedOfCrossGuarantee 347 false false R348.htm 2242501 - Disclosure - Earnings per share (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureEarningsPerShareDetailsss Earnings per share (Details) Details http://MetalsAcquisitionCorp.com/role/DisclosureEarningsPerShareTables 348 false false R349.htm 2242601 - Disclosure - Subsequent events (Details) Sheet http://MetalsAcquisitionCorp.com/role/DisclosureSubsequentEventsDetailssss Subsequent events (Details) Details http://MetalsAcquisitionCorp.com/role/DisclosureSubsequentEventsss 349 false false All Reports Book All Reports [dq-0542-Deprecated-Concept] Concept DueToRelatedPartiesCurrent in us-gaap/2022 used in 1 facts was deprecated in us-gaap/2023 as of 2023 and should not be used. mtal-20230331xf1.htm 170 [dq-0542-Deprecated-Concept] Concept NotesPayableRelatedPartiesClassifiedCurrent in us-gaap/2022 used in 18 facts was deprecated in us-gaap/2023 as of 2023 and should not be used. mtal-20230331xf1.htm 179, 189, 200, 209, 217, 218 [dq-0542-Deprecated-Concept] Concept DueToRelatedPartiesCurrentAndNoncurrent in us-gaap/2022 used in 2 facts was deprecated in us-gaap/2023 as of 2023 and should not be used. mtal-20230331xf1.htm 189 [ix-0514-Hidden-Fact-Eligible-For-Transform] WARN: 87 fact(s) appearing in ix:hidden were eligible for transformation: ifrs-full:AdjustedWeightedAverageShares, ifrs-full:DepreciationRightofuseAssets, ifrs-full:FinancialAssets, ifrs-full:PercentageOfEntitysRevenue, ifrs-full:PurchasesOfGoodsRelatedPartyTransactions, ifrs-full:RevenueFromSaleOfGoodsRelatedPartyTransactions, ifrs-full:TransfersIntoLevel3OfFairValueHierarchyAssets, ifrs-full:TransfersOutOfLevel2IntoLevel1OfFairValueHierarchyAssets, ifrs-full:UsefulLifeMeasuredAsPeriodOfTimeIntangibleAssetsOtherThanGoodwill, ifrs-full:UsefulLifeMeasuredAsPeriodOfTimePropertyPlantAndEquipment, mtal:AverageCreditPeriodOnSalesOfGoodsOnCredit, mtal:FairValueAssetsLevel2ToLevel1TransfersAmount1, mtal:FairValueLiabilitiesLevel1ToLevel2TransfersAmount1, mtal:FairValueLiabilitiesLevel2ToLevel1TransfersAmount1, mtal:NotocePeriodForDrawingDeposit, mtal:NumberOfWarrantsIssuedPerUnit, mtal:PeriodForPaymentOfDeferredCashAndApplicableInterestFromClosing, mtal:PeriodOfConsecutiveMonthsWhileCalculatingCopperAveragesPerPound, mtal:PhysicalCommoditiesSilverRightOfFirstRefusalTerm, mtal:PhysicalCommoditiesSilverThresholdPeriodRequiredToAchieveAverageSilverPriceTriggerPerOunce, mtal:RatioForConversionOfSharesIntoCommonShares, mtal:RedemptionOfSharesCalculatedBasedOnNumberOfBusinessDaysPriorToConsummationOfBusinessCombination, mtal:RollingPeriodForCalculatingAverageDailyLondonMetalExchangeClosingPrice, mtal:ThresholdBusinessDaysForRedemptionOfPublicShares, mtal:ThresholdConsecutiveTradingDaysBasedOnWhichAccelerationOfExerciseDateOfWarrantsIsDetermined, us-gaap:CashEquivalentsAtCarryingValue, us-gaap:CommonStockSharesOutstanding, us-gaap:DebtInstrumentBasisSpreadOnVariableRate1, us-gaap:DebtInstrumentTerm, us-gaap:EarningsPerShareDiluted, us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersIntoLevel3, us-gaap:PreferredStockSharesOutstanding, us-gaap:TemporaryEquityAccretionToRedemptionValueAdjustment, us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding - mtal-20230331xf1.htm 9 [ix-0514-Hidden-Fact-Not-Referenced] WARN: 4 fact(s) appearing in ix:hidden were not referenced by any -sec-ix-hidden style property: us-gaap:CommitmentsAndContingencies - mtal-20230331xf1.htm 9 [dq-0712-Presentation-Base-Set-Order] Role '1140901 - Disclosure - Subsequent Events (Details)', a level 4, Detail role, appears before '1200100 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS', a level 1, Statement role. mtal-20230331.xsd 327, 333 [dq-0712-Presentation-Base-Set-Order] Role '1240906 - Disclosure - Subsequent Events - Proportions of total Payable Copper (Details)', a level 4, Detail role, appears before '21100100 - Statement - UNAUDITED INTERIM CONDENSED STATEMENT OF PROFIT OR LOSS AND OTHER COMPREHENSIVE INCOME', a level 1, Statement role. mtal-20230331.xsd 609, 915 [dq-0712-Presentation-Base-Set-Order] Role '21142501 - Disclosure - Subsequent events (Details)', a level 4, Detail role, appears before '21200100 - Statement - STATEMENT OF PROFIT OR LOSS AND OTHER COMPREHENSIVE INCOME', a level 1, Statement role. mtal-20230331.xsd 675, 1329 [dq-0712-Presentation-Base-Set-Order] Role '21242501 - Disclosure - Earnings per share (Details)', a level 4, Detail role, appears before '2200100 - Statement - Statement of profit or loss and other comprehensive income', a level 1, Statement role. mtal-20230331.xsd 39, 1755 mtal-20230331xf1.htm mtal-20230331.xsd mtal-20230331_cal.xml mtal-20230331_def.xml mtal-20230331_lab.xml mtal-20230331_pre.xml mtal-20230331xex23d1.htm mtal-20230331xex23d2.htm mtal-20230331xex23d3.htm mtal-20230331xex23d6.htm mtal-20230331xex23d7.htm mtal-20230331xex23d8.htm mtal-20230331xex5d1.htm mtal-20230331xex5d2.htm mtal-20230331xexfilingfees.htm mtal-20230331xf1009.jpg mtal-20230331xf1014.jpg http://fasb.org/us-gaap/2022 http://xbrl.sec.gov/dei/2022 https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full true true