Caledonia Mining Corp Plc (SEC Filing Page | XBRL Cloud Viewer | XBRL Instance)

Line Label Object Class Period Type Balance Report ElementName
1 000 - Document - Document And Entity Information Network

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2 Document Information [Table] Table

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3 Legal Entity [Axis] Axis dei:LegalEntityAxis
4 Entity [Domain] Member dei:EntityDomain
5 Document Information [Line Items] LineItems dei:DocumentInformationLineItems
6 Entity Registrant Name Concept (Text/String) For Period dei:EntityRegistrantName
7 Entity Central Index Key Concept (CIK Number) For Period dei:EntityCentralIndexKey
8 Trading Symbol Concept (Text/String) For Period dei:TradingSymbol
9 Current Fiscal Year End Date Concept (Month/Day) For Period dei:CurrentFiscalYearEndDate
10 Entity Filer Category Concept (Filer Category) For Period dei:EntityFilerCategory
11 Entity Current Reporting Status Concept (Yes/No) For Period dei:EntityCurrentReportingStatus
12 Entity Voluntary Filers Concept (Yes/No) For Period dei:EntityVoluntaryFilers
13 Entity Well-known Seasoned Issuer Concept (Yes/No) For Period dei:EntityWellKnownSeasonedIssuer
14 Entity Emerging Growth Company Concept (Yes/No) For Period dei:EntityEmergingGrowthCompany
15 Entity Small Business Concept (Yes/No) For Period dei:EntitySmallBusiness
16 Entity Common Stock, Shares Outstanding (in shares) Concept (Shares) As Of dei:EntityCommonStockSharesOutstanding
17 Document Type Concept (Submission Type) For Period dei:DocumentType
18 Document Period End Date Concept (Date) For Period dei:DocumentPeriodEndDate
19 Document Fiscal Year Focus Concept (Year) For Period dei:DocumentFiscalYearFocus
20 Document Fiscal Period Focus Concept (Fiscal Period) For Period dei:DocumentFiscalPeriodFocus
21 Amendment Flag Concept (Yes/No) For Period dei:AmendmentFlag
22 Entity Shell Company Concept (Yes/No) For Period dei:EntityShellCompany
23 Entity Ex Transition Period Concept (Yes/No) For Period dei:EntityExTransitionPeriod
24 001 - Statement - Consolidated Statements of Profit or Loss and Other Comprehensive Income Network

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25 Statement Table [Table] Table

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26 Legal Entity [Axis] Axis dei:LegalEntityAxis
27 Entity [Domain] Member dei:EntityDomain
28 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
29 Revenue Concept (Monetary) For Period Credit ifrs-full:Revenue
30 Royalties Concept (Monetary) For Period Debit ifrs-full:RoyaltyExpense
31 Production costs Concept (Monetary) For Period Debit ifrs-full:CostOfSales
32 Depreciation Concept (Monetary) For Period Debit ifrs-full:DepreciationExpense
33 Gross profit Concept (Monetary) For Period Credit ifrs-full:GrossProfit
34 Other income Concept (Monetary) For Period Credit ifrs-full:OtherIncome
35 Other expenses Concept (Monetary) For Period Debit ifrs-full:OtherExpenseByNature
36 Impairment loss on trade receivables Concept (Monetary) For Period Debit ifrs-full:ImpairmentLossRecognisedInProfitOrLossTradeReceivables
37 Administrative expenses Concept (Monetary) For Period Debit ifrs-full:AdministrativeExpense
38 Equity-settled share-based expense Concept (Monetary) For Period Debit ifrs-full:ExpenseFromEquitysettledSharebasedPaymentTransactionsInWhichGoodsOrServicesReceivedDidNotQualifyForRecognitionAsAssets
39 Cash-settled share-based payment expense Concept (Monetary) For Period Debit ifrs-full:ExpenseFromCashsettledSharebasedPaymentTransactionsInWhichGoodsOrServicesReceivedDidNotQualifyForRecognitionAsAssets
40 Sale of Blanket Mine treasury Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnDisposalsOfInvestments
41 Net Foreign exchange gain/(loss) Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss
42 Margin call on hedge Concept (Monetary) For Period Credit ifrs-full:HedgingGainsLossesForHedgeOfGroupOfItemsWithOffsettingRiskPositions
43 Operating profit Concept (Monetary) For Period Credit ifrs-full:ProfitLossFromOperatingActivities
44 Finance income Concept (Monetary) For Period Credit ifrs-full:FinanceIncome
45 Finance cost Concept (Monetary) For Period Debit ifrs-full:FinanceCosts
46 Profit before tax Concept (Monetary) For Period Credit ifrs-full:ProfitLossBeforeTax
47 Tax expense Concept (Monetary) For Period Debit ifrs-full:IncomeTaxExpenseContinuingOperations
48 Profit for the year Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
49 Other comprehensive income Abstract ifrs-full:StatementOfComprehensiveIncomeAbstract
50 Foreign currency translation differences of foreign operations Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnExchangeDifferencesOnTranslationBeforeTax
51 Total comprehensive income for the year Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncome
52 Profit attributable to: Abstract ifrs-full:ProfitLossAttributableToAbstract
53 Owners of the Company Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToOwnersOfParent
54 Non-controlling interests Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToNoncontrollingInterests
55 Profit for the year Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
56 Total comprehensive income attributable to: Abstract ifrs-full:ComprehensiveIncomeAttributableToAbstract
57 Owners of the Company Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncomeAttributableToOwnersOfParent
58 Non-controlling interests Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncomeAttributableToNoncontrollingInterests
59 Total comprehensive income for the year Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncome
60 Earnings per share Abstract ifrs-full:EarningsPerShareAbstract
61 Basic earnings - per share ($) (in dollars per share) Concept (Share) For Period ifrs-full:BasicEarningsLossPerShare
62 Diluted earnings per share ($) (in dollars per share) Concept (Share) For Period ifrs-full:DilutedEarningsLossPerShare
63 002 - Statement - Consolidated Statements of Financial Position Network

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64 Statement Table [Table] Table

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65 Legal Entity [Axis] Axis dei:LegalEntityAxis
66 Entity [Domain] Member dei:EntityDomain
67 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
68 Assets Abstract ifrs-full:AssetsAbstract
69 Property, plant and equipment Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipment
70 Deferred tax asset Concept (Monetary) As Of Debit ifrs-full:NetDeferredTaxAssets
71 Total non-current assets Concept (Monetary) As Of Debit ifrs-full:NoncurrentAssets
72 Inventories Concept (Monetary) As Of Debit ifrs-full:Inventories
73 Prepayments Concept (Monetary) As Of Debit ifrs-full:CurrentPrepaymentsAndOtherCurrentAssets
74 Trade and other receivables Concept (Monetary) As Of Debit ifrs-full:TradeAndOtherCurrentReceivables
75 Cash and cash equivalents Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
76 Concept (Monetary) As Of Debit ifrs-full:CurrentAssetsOtherThanAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners
77 Assets held for sale Concept (Monetary) As Of Debit ifrs-full:NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners
78 Total current assets Concept (Monetary) As Of Debit ifrs-full:CurrentAssets
79 Total assets Concept (Monetary) As Of Debit ifrs-full:Assets
80 Equity and liabilities Abstract ifrs-full:EquityAndLiabilitiesAbstract
81 Share capital Concept (Monetary) As Of Credit ifrs-full:IssuedCapital
82 Reserves Concept (Monetary) As Of Credit ifrs-full:SharePremium
83 Retained loss Concept (Monetary) As Of Credit ifrs-full:RetainedEarnings
84 Equity attributable to shareholders Concept (Monetary) As Of Credit ifrs-full:EquityAttributableToOwnersOfParent
85 Non-controlling interests Concept (Monetary) As Of Credit ifrs-full:NoncontrollingInterests
86 Total equity Concept (Monetary) As Of Credit ifrs-full:Equity
87 Liabilities Abstract ifrs-full:LiabilitiesAbstract
88 Provisions Concept (Monetary) As Of Credit ifrs-full:NoncurrentProvisions
89 Deferred tax liability Concept (Monetary) As Of Credit ifrs-full:NetDeferredTaxLiabilities
90 Long-term portion of term loan facility Concept (Monetary) As Of Credit ifrs-full:LongtermBorrowings
91 Cash-settled share-based payments Concept (Monetary) As Of Credit ifrs-full:LiabilitiesFromSharebasedPaymentTransactions2011
92 Total non-current liabilities Concept (Monetary) As Of Credit ifrs-full:NoncurrentLiabilities
93 Short-term portion of term loan facility Concept (Monetary) As Of Credit ifrs-full:CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings
94 Trade and other payables Concept (Monetary) As Of Credit ifrs-full:TradeAndOtherCurrentPayables
95 Income tax payable Concept (Monetary) As Of Credit ifrs-full:CurrentTaxLiabilitiesCurrent
96 Overdraft Concept (Monetary) As Of Credit ifrs-full:BankOverdraftsClassifiedAsCashEquivalents
97 Concept (Monetary) As Of Credit ifrs-full:CurrentLiabilitiesOtherThanLiabilitiesIncludedInDisposalGroupsClassifiedAsHeldForSale
98 Liabilities associated with assets held for sale Concept (Monetary) As Of Credit ifrs-full:LiabilitiesIncludedInDisposalGroupsClassifiedAsHeldForSale
99 Total current liabilities Concept (Monetary) As Of Credit ifrs-full:CurrentLiabilities
100 Total liabilities Concept (Monetary) As Of Credit ifrs-full:Liabilities
101 Total equity and liabilities Concept (Monetary) As Of Credit ifrs-full:EquityAndLiabilities
102 003 - Statement - Consolidated Statements of Changes in Equity Network

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103 Statement Table [Table] Table

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104 Components of equity [axis] Axis ifrs-full:ComponentsOfEquityAxis
105 Equity [member] Member ifrs-full:EquityMember
106 Issued capital [member] Member ifrs-full:IssuedCapitalMember
107 Reserve of exchange differences on translation [member] Member ifrs-full:ReserveOfExchangeDifferencesOnTranslationMember
108 Capital reserve [member] Member ifrs-full:CapitalReserveMember
109 Reserve of share-based payments [member] Member ifrs-full:ReserveOfSharebasedPaymentsMember
110 Retained earnings [member] Member ifrs-full:RetainedEarningsMember
111 Equity attributable to owners of parent [member] Member ifrs-full:EquityAttributableToOwnersOfParentMember
112 Non-controlling interests [member] Member ifrs-full:NoncontrollingInterestsMember
113 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
114 Balance Concept (Monetary) As Of Credit ifrs-full:Equity
115 Transactions with owners: Abstract cmcl:TransactionsWithOwnersAbstract
116 Equity-settled share-based expense transactions Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughSharebasedPaymentTransactions
117 Shares issued – Option exercises Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughExerciseOfOptions
118 Dividends paid Concept (Monetary) For Period Debit ifrs-full:DividendsPaid
119 Shares repurchased Concept (Monetary) For Period Debit ifrs-full:PurchaseOfTreasuryShares
120 Total comprehensive income: Abstract ifrs-full:ComprehensiveIncomeAbstract
121 Profit for the year Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
122 Other comprehensive income for the year Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncome
123 Balance Concept (Monetary) As Of Credit ifrs-full:Equity
124 004 - Statement - Consolidated Statements of Cash Flows Network

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125 Statement Table [Table] Table

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126 Legal Entity [Axis] Axis dei:LegalEntityAxis
127 Entity [Domain] Member dei:EntityDomain
128 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
129 Cash flows from operating activities Concept (Monetary) For Period ifrs-full:CashFlowsFromUsedInOperations
130 Interest received Concept (Monetary) For Period Debit ifrs-full:InterestReceivedClassifiedAsOperatingActivities
131 Interest paid Concept (Monetary) For Period Credit ifrs-full:InterestPaidClassifiedAsOperatingActivities
132 Tax paid Concept (Monetary) For Period Credit ifrs-full:IncomeTaxesPaidRefundClassifiedAsOperatingActivities
133 Net cash from operating activities Concept (Monetary) For Period ifrs-full:CashFlowsFromUsedInOperatingActivities
134 Cash flows from investing activities Abstract ifrs-full:CashFlowsFromUsedInInvestingActivitiesAbstract
135 Acquisition of property, plant and equipment Concept (Monetary) For Period Credit ifrs-full:PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities
136 Proceeds from sale of property, plant and equipment Concept (Monetary) For Period Debit ifrs-full:ProceedsFromSalesOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities
137 Net cash used in investing activities Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromUsedInInvestingActivities
138 Cash flows from financing activities Abstract ifrs-full:CashFlowsFromUsedInFinancingActivitiesAbstract
139 Dividends paid Concept (Monetary) For Period Credit ifrs-full:DividendsPaidClassifiedAsFinancingActivities
140 Term loan repayments Concept (Monetary) For Period Credit ifrs-full:RepaymentsOfBorrowingsClassifiedAsFinancingActivities
141 Term loan proceeds Concept (Monetary) For Period Debit ifrs-full:ProceedsFromBorrowingsClassifiedAsFinancingActivities
142 Term loan transaction costs Concept (Monetary) For Period Credit cmcl:IncreaseDecreaseInTransactionCosts
143 Proceeds from issue of share capital Concept (Monetary) For Period Debit ifrs-full:ProceedsFromIssuingShares
144 Share repurchase cost Concept (Monetary) For Period Credit cmcl:ProceedsPaymentsFromIssuingRepurchasingCapital
145 Net cash from/(used in) financing activities Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromUsedInFinancingActivities
146 Net (decrease)/increase in cash and cash equivalents Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges
147 Effect of exchange rate fluctuation on cash held Concept (Monetary) For Period Debit ifrs-full:EffectOfExchangeRateChangesOnCashAndCashEquivalents
148 Cash and cash equivalents at beginning of year Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalentsIfDifferentFromStatementOfFinancialPosition
149 Net cash and cash equivalents at year end Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalentsIfDifferentFromStatementOfFinancialPosition
150 005 - Disclosure - Note 1 - Reporting Entity Network

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151 Statement Table [Table] Table

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152 Legal Entity [Axis] Axis dei:LegalEntityAxis
153 Entity [Domain] Member dei:EntityDomain
154 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
155 Disclosure of general information about financial statements [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfGeneralInformationAboutFinancialStatementsExplanatory
156 006 - Disclosure - Note 2 - Basis for Preparation Network

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157 Statement Table [Table] Table

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158 Legal Entity [Axis] Axis dei:LegalEntityAxis
159 Entity [Domain] Member dei:EntityDomain
160 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
161 Disclosure of basis of preparation of financial statements [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory
162 007 - Disclosure - Note 3 - Use of Accounting Assumptions, Estimates and Judgements Network

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163 Statement Table [Table] Table

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164 Legal Entity [Axis] Axis dei:LegalEntityAxis
165 Entity [Domain] Member dei:EntityDomain
166 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
167 Disclosure of accounting judgements and estimates [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfAccountingJudgementsAndEstimatesExplanatory
168 008 - Disclosure - Note 4 - Change in Significant Accounting Policies Network

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169 Statement Table [Table] Table

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170 New IFRSs [axis] Axis ifrs-full:NewIFRSsAxis
171 New IFRSs [member] Member ifrs-full:NewIFRSsMember
172 IFRS 9 [member] Member cmcl:IFRS9Member
173 Legal Entity [Axis] Axis dei:LegalEntityAxis
174 Entity [Domain] Member dei:EntityDomain
175 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
176 Disclosure of changes in accounting policies [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfChangesInAccountingPoliciesExplanatory
177 009 - Disclosure - Note 5 - Significant Accounting Policies Network

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178 Statement Table [Table] Table

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179 Classes of property, plant and equipment [axis] Axis ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
180 Property, plant and equipment [member] Member ifrs-full:PropertyPlantAndEquipmentMember
181 Buildings [member] Member ifrs-full:BuildingsMember
182 Machinery [member] Member ifrs-full:MachineryMember
183 Fixtures and fittings [member] Member ifrs-full:FixturesAndFittingsMember
184 Motor vehicles [member] Member ifrs-full:MotorVehiclesMember
185 Range [axis] Axis ifrs-full:RangeAxis
186 Ranges [member] Member ifrs-full:RangesMember
187 Bottom of range [member] Member ifrs-full:BottomOfRangeMember
188 Top of range [member] Member ifrs-full:TopOfRangeMember
189 Legal Entity [Axis] Axis dei:LegalEntityAxis
190 Entity [Domain] Member dei:EntityDomain
191 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
192 Disclosure of significant accounting policies [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfSummaryOfSignificantAccountingPoliciesExplanatory
193 010 - Disclosure - Note 6 - Blanket Zimbabwe Indigenisation Transaction Network

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194 Statement Table [Table] Table

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195 Subsidiaries [axis] Axis ifrs-full:SignificantInvestmentsInSubsidiariesAxis
196 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
197 NIEEF [member] Member cmcl:NIEEFMember
198 Fremiro [member] Member cmcl:FremiroMember
199 BETS [member] Member cmcl:BETSMember
200 Community Trust [member] Member cmcl:CommunityTrustMember
201 Blanket Mine (1983) (Private) Limited [member] Member cmcl:BlanketMine1983PrivateLimitedMember
202 Counterparties [axis] Axis ifrs-full:CounterpartiesAxis
203 Counterparties [member] Member ifrs-full:CounterpartiesMember
204 Femiro [Member] Member cmcl:FemiroMember
205 Borrowings by name [axis] Axis ifrs-full:BorrowingsByNameAxis
206 Borrowings by name [member] Member ifrs-full:BorrowingsByNameMember
207 Facilitation loan [member] Member cmcl:FacilitationLoanMember
208 Legal Entity [Axis] Axis dei:LegalEntityAxis
209 Entity [Domain] Member dei:EntityDomain
210 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
211 Disclosure of the Blanket Zimbabwe indigenisation transaction [text block] Concept (Text Block (HTML)) For Period cmcl:DisclosureOfTheBlanketZimbabweIndigenisationTransactionTextBlock
212 011 - Disclosure - Note 7 - Financial Risk Management Network

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213 Statement Table [Table] Table

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214 Legal Entity [Axis] Axis dei:LegalEntityAxis
215 Entity [Domain] Member dei:EntityDomain
216 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
217 Disclosure of financial risk management [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFinancialRiskManagementExplanatory
218 012 - Disclosure - Note 8 - Capital Management Network

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219 Statement Table [Table] Table

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220 Legal Entity [Axis] Axis dei:LegalEntityAxis
221 Entity [Domain] Member dei:EntityDomain
222 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
223 Disclosure of objectives, policies and processes for managing capital [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalExplanatory
224 013 - Disclosure - Note 9 - Production Costs Network

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225 Statement Table [Table] Table

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226 Legal Entity [Axis] Axis dei:LegalEntityAxis
227 Entity [Domain] Member dei:EntityDomain
228 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
229 Disclosure of cost of sales [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfCostOfSalesExplanatory
230 014 - Disclosure - Note 10 - Other Income Network

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231 Statement Table [Table] Table

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232 Classes of property, plant and equipment [axis] Axis ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
233 Property, plant and equipment [member] Member ifrs-full:PropertyPlantAndEquipmentMember
234 Eersteling rock dump, one [member] Member cmcl:EerstelingRockDumpOneMember
235 Eersteling rock dump, two [member] Member cmcl:EerstelingRockDumpTwoMember
236 Counterparties [axis] Axis ifrs-full:CounterpartiesAxis
237 Counterparties [member] Member ifrs-full:CounterpartiesMember
238 SH Minerals [member] Member cmcl:ShMineralsMember
239 Legal Entity [Axis] Axis dei:LegalEntityAxis
240 Entity [Domain] Member dei:EntityDomain
241 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
242 Disclosure of other operating income [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfOtherOperatingIncomeExplanatory
243 015 - Disclosure - Note 11 - Impairment Loss on Trade Receivables Network

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244 Statement Table [Table] Table

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245 Legal Entity [Axis] Axis dei:LegalEntityAxis
246 Entity [Domain] Member dei:EntityDomain
247 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
248 Disclosure of other operating expense [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfOtherOperatingExpenseExplanatory
249 016 - Disclosure - Note 12 - Sale of Blanket Mine Treasury Bills Network

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250 Statement Table [Table] Table

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251 Legal Entity [Axis] Axis dei:LegalEntityAxis
252 Entity [Domain] Member dei:EntityDomain
253 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
254 Disclosure of disposal of financial instruments [text block] Concept (Text Block (HTML)) For Period cmcl:DisclosureOfDisposalOfFinancialInstrumentsTextBlock
255 017 - Disclosure - Note 13 - Administrative expense Network

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256 Statement Table [Table] Table

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257 Legal Entity [Axis] Axis dei:LegalEntityAxis
258 Entity [Domain] Member dei:EntityDomain
259 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
260 Disclosure of general and administrative expense [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfGeneralAndAdministrativeExpenseExplanatory
261 018 - Disclosure - Note 14 - Finance Income and Finance Costs Network

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262 Statement Table [Table] Table

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263 Legal Entity [Axis] Axis dei:LegalEntityAxis
264 Entity [Domain] Member dei:EntityDomain
265 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
266 Disclosure of finance income (cost) [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFinanceIncomeExpenseExplanatory
267 019 - Disclosure - Note 15 - Margin Call on Gold Hedge Network

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268 Statement Table [Table] Table

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269 Hedging instruments [axis] Axis ifrs-full:HedgingInstrumentsAxis
270 Hedging instruments [member] Member ifrs-full:HedgingInstrumentsMember
271 Derivative contract for 8,000 ounces of Gold [member] Member cmcl:DerivativeContractFor8000OuncesOfGoldMember
272 Derivative contract for 15,000 ounces of Gold [member] Member cmcl:DerivativeContractFor15000OuncesOfGoldMember
273 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
274 Risks [member] Member ifrs-full:TypesOfRisksMember
275 Commodity price risk [member] Member ifrs-full:CommodityPriceRiskMember
276 Legal Entity [Axis] Axis dei:LegalEntityAxis
277 Entity [Domain] Member dei:EntityDomain
278 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
279 Disclosure of hedge accounting [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfHedgeAccountingExplanatory
280 020 - Disclosure - Note 16 - Tax Expense Network

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281 Statement Table [Table] Table

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282 Geographical [Axis] Axis srt:StatementGeographicalAxis
283 Geographical [Domain] Member srt:SegmentGeographicalDomain
284 Zimbabwe Area [member] Member cmcl:ZimbabweAreaMember
285 SOUTH AFRICA Member country:ZA
286 Temporary difference, unused tax losses and unused tax credits [axis] Axis ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis
287 Temporary difference, unused tax losses and unused tax credits [member] Member ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember
288 South African operations [member] Member cmcl:SouthAfricanOperationsMember
289 Zimbabwean operations [member] Member cmcl:ZimbabweanOperationsMember
290 Legal Entity [Axis] Axis dei:LegalEntityAxis
291 Entity [Domain] Member dei:EntityDomain
292 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
293 Disclosure of income tax [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfIncomeTaxExplanatory
294 021 - Disclosure - Note 17 - Property, Plant and Equipment Network

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295 Statement Table [Table] Table

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296 Classes of property, plant and equipment [axis] Axis ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
297 Property, plant and equipment [member] Member ifrs-full:PropertyPlantAndEquipmentMember
298 Construction in progress [member] Member ifrs-full:ConstructionInProgressMember
299 Legal Entity [Axis] Axis dei:LegalEntityAxis
300 Entity [Domain] Member dei:EntityDomain
301 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
302 Disclosure of property, plant and equipment [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfPropertyPlantAndEquipmentExplanatory
303 022 - Disclosure - Note 18 - Inventories Network

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304 Statement Table [Table] Table

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305 Legal Entity [Axis] Axis dei:LegalEntityAxis
306 Entity [Domain] Member dei:EntityDomain
307 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
308 Disclosure of inventories [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfInventoriesExplanatory
309 023 - Disclosure - Note 19 - Trade and Other Receivables Network

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310 Statement Table [Table] Table

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311 Legal Entity [Axis] Axis dei:LegalEntityAxis
312 Entity [Domain] Member dei:EntityDomain
313 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
314 Disclosure of trade and other receivables [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfTradeAndOtherReceivablesExplanatory
315 024 - Disclosure - Note 20 - Cash and Cash Equivalents Network

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316 Statement Table [Table] Table

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317 Borrowings by name [axis] Axis ifrs-full:BorrowingsByNameAxis
318 Borrowings by name [member] Member ifrs-full:BorrowingsByNameMember
319 Unsecured bank overdraft facility [member] Member cmcl:UnsecuredBankOverdraftFacilityMember
320 Legal Entity [Axis] Axis dei:LegalEntityAxis
321 Entity [Domain] Member dei:EntityDomain
322 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
323 Disclosure of cash and cash equivalents [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfCashAndCashEquivalentsExplanatory
324 025 - Disclosure - Note 21 - Disposal Group Held For Sale Network

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325 Statement Table [Table] Table

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326 Counterparties [axis] Axis ifrs-full:CounterpartiesAxis
327 Counterparties [member] Member ifrs-full:CounterpartiesMember
328 SH Minerals [member] Member cmcl:ShMineralsMember
329 Non-adjusting events after reporting period [axis] Axis ifrs-full:NonadjustingEventsAfterReportingPeriodAxis
330 Non-adjusting events after reporting period [member] Member ifrs-full:NonadjustingEventsMember
331 Sales agreement with Eersteling Gold Mining Company Limited [member] Member cmcl:SalesAgreementWithEerstelingGoldMiningCompanyLimitedMember
332 Continuing and discontinued operations [axis] Axis ifrs-full:ContinuingAndDiscontinuedOperationsAxis
333 Aggregate continuing and discontinued operations [member] Member ifrs-full:AggregateContinuingAndDiscontinuedOperationsMember
334 Disposal groups classified as held for sale [member] Member ifrs-full:DisposalGroupsClassifiedAsHeldForSaleMember
335 Legal Entity [Axis] Axis dei:LegalEntityAxis
336 Entity [Domain] Member dei:EntityDomain
337 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
338 Disclosure of non-current assets or disposal groups classified as held for sale [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleExplanatory
339 026 - Disclosure - Note 22 - Share Capital Network

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340 Statement Table [Table] Table

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341 Classes of share capital [axis] Axis ifrs-full:ClassesOfShareCapitalAxis
342 Share capital [member] Member ifrs-full:ClassesOfShareCapitalMember
343 Ordinary shares [member] Member ifrs-full:OrdinarySharesMember
344 Preference shares [member] Member ifrs-full:PreferenceSharesMember
345 Legal Entity [Axis] Axis dei:LegalEntityAxis
346 Entity [Domain] Member dei:EntityDomain
347 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
348 Disclosure of share capital, reserves and other equity interest [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory
349 027 - Disclosure - Note 23 - Reserves Network

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350 Statement Table [Table] Table

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351 Legal Entity [Axis] Axis dei:LegalEntityAxis
352 Entity [Domain] Member dei:EntityDomain
353 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
354 Disclosure of reserves [text block] Concept (Text Block (HTML)) For Period cmcl:DisclosureOfReservesTextBlockExplanatory
355 028 - Disclosure - Note 24 - Earnings Per Share Network

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356 Statement Table [Table] Table

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357 Components of equity [axis] Axis ifrs-full:ComponentsOfEquityAxis
358 Equity [member] Member ifrs-full:EquityMember
359 Options out of the money [member] Member cmcl:OptionsOutOfTheMoneyMember
360 Legal Entity [Axis] Axis dei:LegalEntityAxis
361 Entity [Domain] Member dei:EntityDomain
362 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
363 Disclosure of earnings per share [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfEarningsPerShareExplanatory
364 029 - Disclosure - Note 25 - Provisions Network

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365 Statement Table [Table] Table

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366 Classes of other provisions [axis] Axis ifrs-full:ClassesOfProvisionsAxis
367 Other provisions [member] Member ifrs-full:OtherProvisionsMember
368 Provision for decommissioning, restoration and rehabilitation costs for Blanket mine [member] Member cmcl:ProvisionForDecommissioningRestorationAndRehabilitationCostsForBlanketMineMember
369 Provision for decommissioning, restoration and rehabilitation costs for Eersteling mine [member] Member cmcl:ProvisionForDecommissioningRestorationAndRehabilitationCostsForEerstelingMineMember
370 Legal Entity [Axis] Axis dei:LegalEntityAxis
371 Entity [Domain] Member dei:EntityDomain
372 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
373 Disclosure of provisions [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfProvisionsExplanatory
374 030 - Disclosure - Note 26 - Share-based Expenses Network

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375 Statement Table [Table] Table

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376 Types of share-based payment arrangements [axis] Axis ifrs-full:TypesOfSharebasedPaymentArrangementsAxis
377 Share-based payment arrangements [member] Member ifrs-full:SharebasedPaymentArrangementsMember
378 Omnibus Equity Incetive Compensation Plan [member] Member cmcl:OmnibusEquityIncetiveCompensationPlanMember
379 Rolling Stock Option Plan [member] Member cmcl:RollingStockOptionPlanMember
380 Restricted stock units (RSUs) [member] Member cmcl:RestrictedStockUnitsRsusMember
381 Performance share units (PSUs) [member] Member cmcl:PerformanceShareUnitsPsusMember
382 Cash-settled awards [member] Member cmcl:CashsettledAwardsMember
383 Counterparties [axis] Axis ifrs-full:CounterpartiesAxis
384 Counterparties [member] Member ifrs-full:CounterpartiesMember
385 Mr. J Staiger [member] Member cmcl:MrJStaigerMember
386 Types of interest rates [axis] Axis ifrs-full:TypesOfInterestRatesAxis
387 Interest rate types [member] Member ifrs-full:InterestRateTypesMember
388 LIBOR [member] Member cmcl:LIBORMember
389 Borrowings by name [axis] Axis ifrs-full:BorrowingsByNameAxis
390 Borrowings by name [member] Member ifrs-full:BorrowingsByNameMember
391 Faciliation and advanced dividend loans [member] Member cmcl:FaciliationAndAdvancedDividendLoansMember
392 Legal Entity [Axis] Axis dei:LegalEntityAxis
393 Entity [Domain] Member dei:EntityDomain
394 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
395 Disclosure of share-based payment arrangements [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfSharebasedPaymentArrangementsExplanatory
396 031 - Disclosure - Note 27 - Loans and Borrowings Network

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397 Statement Table [Table] Table

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398 Legal Entity [Axis] Axis dei:LegalEntityAxis
399 Entity [Domain] Member dei:EntityDomain
400 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
401 Disclosure of borrowings [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfBorrowingsExplanatory
402 032 - Disclosure - Note 28 - Trade and Other Payables Network

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403 Statement Table [Table] Table

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404 Legal Entity [Axis] Axis dei:LegalEntityAxis
405 Entity [Domain] Member dei:EntityDomain
406 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
407 Disclosure of trade and other payables [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfTradeAndOtherPayablesExplanatory
408 033 - Disclosure - Note 29 - Cash Flow Information Network

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409 Statement Table [Table] Table

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410 Legal Entity [Axis] Axis dei:LegalEntityAxis
411 Entity [Domain] Member dei:EntityDomain
412 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
413 Disclosure of cash flow statement [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfCashFlowStatementExplanatory
414 034 - Disclosure - Note 30 - Financial Instruments Network

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415 Statement Table [Table] Table

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416 Past due status [axis] Axis ifrs-full:PastDueStatusAxis
417 Past due status [member] Member ifrs-full:PastDueStatusMember
418 Current [member] Member ifrs-full:CurrentMember
419 Hedging instruments [axis] Axis ifrs-full:HedgingInstrumentsAxis
420 Hedging instruments [member] Member ifrs-full:HedgingInstrumentsMember
421 Derivative contract for 8,000 ounces of Gold [member] Member cmcl:DerivativeContractFor8000OuncesOfGoldMember
422 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
423 Risks [member] Member ifrs-full:TypesOfRisksMember
424 Commodity price risk [member] Member ifrs-full:CommodityPriceRiskMember
425 Legal Entity [Axis] Axis dei:LegalEntityAxis
426 Entity [Domain] Member dei:EntityDomain
427 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
428 Disclosure of financial instruments [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFinancialInstrumentsExplanatory
429 035 - Disclosure - Note 31 - Dividends Network

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430 Statement Table [Table] Table

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431 Legal Entity [Axis] Axis dei:LegalEntityAxis
432 Entity [Domain] Member dei:EntityDomain
433 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
434 Disclosure of dividends [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDividendsExplanatory
435 036 - Disclosure - Note 32 - Contingencies Network

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436 Statement Table [Table] Table

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437 Classes of contingent liabilities [axis] Axis ifrs-full:ClassesOfContingentLiabilitiesAxis
438 Contingent liabilities [member] Member ifrs-full:ContingentLiabilitiesMember
439 Legal proceedings contingent liability [member] Member ifrs-full:LegalProceedingsContingentLiabilityMember
440 Legal Entity [Axis] Axis dei:LegalEntityAxis
441 Entity [Domain] Member dei:EntityDomain
442 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
443 Disclosure of contingent liabilities [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfContingentLiabilitiesExplanatory
444 037 - Disclosure - Note 33 - Related Parties Network

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445 Statement Table [Table] Table

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446 Classes of contingent liabilities [axis] Axis ifrs-full:ClassesOfContingentLiabilitiesAxis
447 Contingent liabilities [member] Member ifrs-full:ContingentLiabilitiesMember
448 Contingent liability arising from termination [member] Member cmcl:ContingentLiabilityArisingFromTerminationMember
449 Legal Entity [Axis] Axis dei:LegalEntityAxis
450 Entity [Domain] Member dei:EntityDomain
451 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
452 Disclosure of transactions between related parties [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesExplanatory
453 038 - Disclosure - Note 34 - Group Entities Network

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454 Statement Table [Table] Table

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455 Associates [axis] Axis ifrs-full:SignificantInvestmentsInAssociatesAxis
456 Entity's total for associates [member] Member ifrs-full:EntitysTotalForAssociatesMember
457 Blanket Mine (1983) (Private) Limited [member] Member cmcl:BlanketMine1983PrivateLimitedMember
458 Legal Entity [Axis] Axis dei:LegalEntityAxis
459 Entity [Domain] Member dei:EntityDomain
460 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
461 Disclosure of subsidiaries [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesExplanatory
462 039 - Disclosure - Note 35 - Operating Segments Network

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463 Statement Table [Table] Table

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464 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
465 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
466 Key management personnel of entity or parent [member] Member ifrs-full:KeyManagementPersonnelOfEntityOrParentMember
467 Major customers [axis] Axis ifrs-full:MajorCustomersAxis
468 Customers [member] Member ifrs-full:MajorCustomersMember
469 Fidelity Printers [member] Member cmcl:FidelityPrintersMember
470 Legal Entity [Axis] Axis dei:LegalEntityAxis
471 Entity [Domain] Member dei:EntityDomain
472 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
473 Disclosure of entity's operating segments [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfEntitysReportableSegmentsExplanatory
474 040 - Disclosure - Note 36 - Non-controlling Interests Network

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475 Statement Table [Table] Table

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476 Legal Entity [Axis] Axis dei:LegalEntityAxis
477 Entity [Domain] Member dei:EntityDomain
478 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
479 Disclosure of non-controlling interests [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfNoncontrollingInterestsExplanatory
480 041 - Disclosure - Note 37 - Defined Contribution Plan Network

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481 Statement Table [Table] Table

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482 Geographical areas [axis] Axis ifrs-full:GeographicalAreasAxis
483 Geographical areas [member] Member ifrs-full:GeographicalAreasMember
484 Zimbabwean operations [member] Member cmcl:ZimbabweanOperationsMember
485 Legal Entity [Axis] Axis dei:LegalEntityAxis
486 Entity [Domain] Member dei:EntityDomain
487 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
488 Disclosure of employee benefits [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfEmployeeBenefitsExplanatory
489 042 - Disclosure - Note 38 - Subsequent events Network

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490 Statement Table [Table] Table

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491 Types of share-based payment arrangements [axis] Axis ifrs-full:TypesOfSharebasedPaymentArrangementsAxis
492 Share-based payment arrangements [member] Member ifrs-full:SharebasedPaymentArrangementsMember
493 Performance share units (PSUs) [member] Member cmcl:PerformanceShareUnitsPsusMember
494 Restricted stock units (RSUs) [member] Member cmcl:RestrictedStockUnitsRsusMember
495 Non-adjusting events after reporting period [axis] Axis ifrs-full:NonadjustingEventsAfterReportingPeriodAxis
496 Non-adjusting events after reporting period [member] Member ifrs-full:NonadjustingEventsMember
497 RSU and PSU settlement and new grants [member] Member cmcl:RsuAndPsuSettlementAndNewGrantsMember
498 Gold hedge [member] Member cmcl:GoldHedgeMember
499 Sales agreement with Eersteling Gold Mining Company Limited [member] Member cmcl:SalesAgreementWithEerstelingGoldMiningCompanyLimitedMember
500 Hedging instruments [axis] Axis ifrs-full:HedgingInstrumentsAxis
501 Hedging instruments [member] Member ifrs-full:HedgingInstrumentsMember
502 Derivative contract for 4,500 ounces of Gold [member] Member cmcl:DerivativeContractFor4500OuncesOfGoldMember
503 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
504 Risks [member] Member ifrs-full:TypesOfRisksMember
505 Commodity price risk [member] Member ifrs-full:CommodityPriceRiskMember
506 Counterparties [axis] Axis ifrs-full:CounterpartiesAxis
507 Counterparties [member] Member ifrs-full:CounterpartiesMember
508 Femiro [Member] Member cmcl:FemiroMember
509 SH Minerals [member] Member cmcl:ShMineralsMember
510 Borrowings by name [axis] Axis ifrs-full:BorrowingsByNameAxis
511 Borrowings by name [member] Member ifrs-full:BorrowingsByNameMember
512 Facilitation loan [member] Member cmcl:FacilitationLoanMember
513 Subsidiaries [axis] Axis ifrs-full:SignificantInvestmentsInSubsidiariesAxis
514 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
515 Blanket Mine (1983) (Private) Limited [member] Member cmcl:BlanketMine1983PrivateLimitedMember
516 Legal Entity [Axis] Axis dei:LegalEntityAxis
517 Entity [Domain] Member dei:EntityDomain
518 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
519 Disclosure of events after reporting period [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfEventsAfterReportingPeriodExplanatory
520 043 - Disclosure - Significant Accounting Policies (Policies) Network

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521 Statement Table [Table] Table

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522 Legal Entity [Axis] Axis dei:LegalEntityAxis
523 Entity [Domain] Member dei:EntityDomain
524 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
525 Discloure of Significant Accounting Policies Abstract cmcl:DisclosureOfSignificantAccountingPoliciesAbstract
526 Description of accounting policy for basis of consolidation [text block] Concept (Text Block (HTML)) For Period cmcl:DescriptionOfAccountingPolicyForBasisOfConsolidationTextBlock
527 Description of accounting policy for functional currency [text block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForFunctionalCurrencyExplanatory
528 Description of accounting policy for financial instruments [text block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForFinancialInstrumentsExplanatory
529 Description of accounting policy for restricted cash and cash equivalents [text block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForRestrictedCashAndCashEquivalentsExplanatory
530 Description of accounting policy for issued capital [text block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForIssuedCapitalExplanatory
531 Description of accounting policy for property, plant and equipment [text block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory
532 Description of accounting policy for measuring inventories [text block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForMeasuringInventories
533 Description of accounting policy for impairment of assets [text block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForImpairmentOfAssetsExplanatory
534 Description of accounting policy for employee benefits [text block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForEmployeeBenefitsExplanatory
535 Description of accounting policy for share-based payment transactions [text block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory
536 Description of accounting policy for provisions [text block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForProvisionsExplanatory
537 Description of accounting policy for decommissioning, restoration and rehabilitation provisions [text block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForDecommissioningRestorationAndRehabilitationProvisionsExplanatory
538 Description of accounting policy for recognition of revenue [text block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForRecognitionOfRevenue
539 Description of accounting policy for government grants [text block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForGovernmentGrants
540 Description of accounting policy for finance income and costs [text block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForFinanceIncomeAndCostsExplanatory
541 Description of accounting policy for income tax [text block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForIncomeTaxExplanatory
542 Description of accounting policy for earnings per share [text block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForEarningsPerShareExplanatory
543 Description of accounting policy for borrowing costs [text block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForBorrowingCostsExplanatory
544 Description of accounting policy for leases [text block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForLeasesExplanatory
545 Description of accounting policy for non-current assets or disposal groups classified as held for sale [text block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleExplanatory
546 Description of accounting policy for accounting standards [text block] Concept (Text Block (HTML)) For Period cmcl:DescriptionOfAccountingPolicyForAccountingStandardsTextBlock
547 044 - Disclosure - Note 6 - Blanket Zimbabwe Indigenisation Transaction (Tables) Network

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548 Statement Table [Table] Table

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549 Legal Entity [Axis] Axis dei:LegalEntityAxis
550 Entity [Domain] Member dei:EntityDomain
551 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
552 Disclosure of indigenisation shareholder percentages and facilitation loan balances [text block] Concept (Text Block (HTML)) For Period cmcl:DisclosureOfIndigenisationShareholderPercentagesAndFacilitationLoanBalancesTextBlock
553 Disclosure of facilitation loans [text block] Concept (Text Block (HTML)) For Period cmcl:DisclosureOfFacilitationLoansTextBlock
554 Disclosure of movement in dividend loan [text block] Concept (Text Block (HTML)) For Period cmcl:DisclosureOfMovementInDividendLoanTextBlock
555 045 - Disclosure - Note 8 - Capital Management (Tables) Network

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556 Statement Table [Table] Table

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557 Legal Entity [Axis] Axis dei:LegalEntityAxis
558 Entity [Domain] Member dei:EntityDomain
559 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
560 Disclosure of capital components [text block] Concept (Text Block (HTML)) For Period cmcl:DisclosureOfCapitalComponentsTextBlock
561 046 - Disclosure - Note 9 - Production Costs (Tables) Network

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562 Statement Table [Table] Table

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563 Legal Entity [Axis] Axis dei:LegalEntityAxis
564 Entity [Domain] Member dei:EntityDomain
565 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
566 Disclosure of components for cost of sales [text block] Concept (Text Block (HTML)) For Period cmcl:DisclosureOfComponentsForCostOfSalesTextBlock
567 047 - Disclosure - Note 10 - Other Income (Tables) Network

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568 Statement Table [Table] Table

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569 Legal Entity [Axis] Axis dei:LegalEntityAxis
570 Entity [Domain] Member dei:EntityDomain
571 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
572 Disclosure of other operating income components [text block] Concept (Text Block (HTML)) For Period cmcl:DisclosureOfOtherOperatingIncomeComponentsTextBlock
573 048 - Disclosure - Note 11 - Impairment Loss on Trade Receivables (Tables) Network

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574 Statement Table [Table] Table

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575 Legal Entity [Axis] Axis dei:LegalEntityAxis
576 Entity [Domain] Member dei:EntityDomain
577 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
578 Disclosure of components of other operating expense [text block] Concept (Text Block (HTML)) For Period cmcl:DisclosureOfComponentsOfOtherOperatingExpenseTextBlock
579 049 - Disclosure - Note 13 - Administrative expense (Tables) Network

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580 Statement Table [Table] Table

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581 Legal Entity [Axis] Axis dei:LegalEntityAxis
582 Entity [Domain] Member dei:EntityDomain
583 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
584 Disclosure of the components of general and administrative expense [text block] Concept (Text Block (HTML)) For Period cmcl:DisclosureOfTheComponentsOfGeneralAndAdministrativeExpenseTextBlock
585 050 - Disclosure - Note 14 - Finance Income and Finance Costs (Tables) Network

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586 Statement Table [Table] Table

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587 Legal Entity [Axis] Axis dei:LegalEntityAxis
588 Entity [Domain] Member dei:EntityDomain
589 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
590 Disclosure of the components of finance income (cost) [text block] Concept (Text Block (HTML)) For Period cmcl:DisclosureOfTheComponentsOfFinanceIncomeCostTextBlock
591 051 - Disclosure - Note 16 - Tax Expense (Tables) Network

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592 Statement Table [Table] Table

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593 Legal Entity [Axis] Axis dei:LegalEntityAxis
594 Entity [Domain] Member dei:EntityDomain
595 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
596 Disclosure of the components of income tax [text block] Concept (Text Block (HTML)) For Period cmcl:DisclosureOfTheComponentsOfIncomeTaxTextBlock
597 Disclosure of unrecognized deferred tax assets [text block] Concept (Text Block (HTML)) For Period cmcl:DisclosureOfUnrecognizedDeferredTaxAssetsTextBlock
598 Disclosure of income taxes paid [text block] Concept (Text Block (HTML)) For Period cmcl:DisclosureOfIncomeTaxesPaidTextBlock
599 Disclosure of income tax reconciliation [text block] Concept (Text Block (HTML)) For Period cmcl:DisclosureOfIncomeTaxReconciliationTextBlock
600 Disclosure of temporary difference, unused tax losses and unused tax credits [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory
601 Disclosure of movement in recognized in deferred tax assets and liabilities [text block] Concept (Text Block (HTML)) For Period cmcl:DisclosureOfMovementInRecognizedInDeferredTaxAssetsAndLiabilitiesTextBlock
602 052 - Disclosure - Note 17 - Property, Plant and Equipment (Tables) Network

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603 Statement Table [Table] Table

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604 Legal Entity [Axis] Axis dei:LegalEntityAxis
605 Entity [Domain] Member dei:EntityDomain
606 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
607 Disclosure of detailed information about property, plant and equipment [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory
608 053 - Disclosure - Note 18 - Inventories (Tables) Network

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609 Statement Table [Table] Table

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610 Legal Entity [Axis] Axis dei:LegalEntityAxis
611 Entity [Domain] Member dei:EntityDomain
612 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
613 Disclosure of components of inventories [text block] Concept (Text Block (HTML)) For Period cmcl:DisclosureOfComponentsOfInventoriesTextBlock
614 054 - Disclosure - Note 19 - Trade and Other Receivables (Tables) Network

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615 Statement Table [Table] Table

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616 Legal Entity [Axis] Axis dei:LegalEntityAxis
617 Entity [Domain] Member dei:EntityDomain
618 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
619 Disclosure of the components and trade and other receivables [text block] Concept (Text Block (HTML)) For Period cmcl:DisclosureOfTheComponentsAndTradeAndOtherReceivablesTextBlock
620 055 - Disclosure - Note 20 - Cash and Cash Equivalents (Tables) Network

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621 Statement Table [Table] Table

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622 Legal Entity [Axis] Axis dei:LegalEntityAxis
623 Entity [Domain] Member dei:EntityDomain
624 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
625 Disclosure of the components of cash and cash equivalents [text block] Concept (Text Block (HTML)) For Period cmcl:DisclosureOfTheComponentsOfCashAndCashEquivalentsTextBlock
626 056 - Disclosure - Note 21 - Disposal Group Held For Sale (Tables) Network

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627 Statement Table [Table] Table

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628 Legal Entity [Axis] Axis dei:LegalEntityAxis
629 Entity [Domain] Member dei:EntityDomain
630 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
631 Disclosure of assets and liabilities classified as held for sale [text block] Concept (Text Block (HTML)) For Period cmcl:DisclosureOfAssetsAndLiabilitiesClassifiedAsHeldForSaleTextBlock
632 057 - Disclosure - Note 22 - Share Capital (Tables) Network

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633 Statement Table [Table] Table

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634 Legal Entity [Axis] Axis dei:LegalEntityAxis
635 Entity [Domain] Member dei:EntityDomain
636 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
637 Disclosure of classes of share capital [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfClassesOfShareCapitalExplanatory
638 058 - Disclosure - Note 23 - Reserves (Tables) Network

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 http://www.caledoniamining.com/20181231/role/statement-note-23-reserves-tables
639 Statement Table [Table] Table

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640 Legal Entity [Axis] Axis dei:LegalEntityAxis
641 Entity [Domain] Member dei:EntityDomain
642 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
643 Disclosure of reserves within equity [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfReservesAndOtherEquityInterestExplanatory
644 059 - Disclosure - Note 24 - Earnings Per Share (Tables) Network

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645 Statement Table [Table] Table

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646 Legal Entity [Axis] Axis dei:LegalEntityAxis
647 Entity [Domain] Member dei:EntityDomain
648 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
649 Earnings per share [text block] Concept (Text Block (HTML)) For Period ifrs-full:EarningsPerShareExplanatory
650 060 - Disclosure - Note 25 - Provisions (Tables) Network

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651 Statement Table [Table] Table

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652 Legal Entity [Axis] Axis dei:LegalEntityAxis
653 Entity [Domain] Member dei:EntityDomain
654 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
655 Disclosure of other provisions [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfOtherProvisionsExplanatory
656 061 - Disclosure - Note 26 - Share-based Expenses (Tables) Network

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 http://www.caledoniamining.com/20181231/role/statement-note-26-sharebased-expenses-tables
657 Statement Table [Table] Table

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 cmcl:StatementTable
658 Borrowings by name [axis] Axis ifrs-full:BorrowingsByNameAxis
659 Borrowings by name [member] Member ifrs-full:BorrowingsByNameMember
660 Faciliation and advanced dividend loans [member] Member cmcl:FaciliationAndAdvancedDividendLoansMember
661 Legal Entity [Axis] Axis dei:LegalEntityAxis
662 Entity [Domain] Member dei:EntityDomain
663 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
664 Explanation of effect of share-based payments on entity's profit or loss [text block] Concept (Text Block (HTML)) For Period ifrs-full:ExplanationOfEffectOfSharebasedPaymentsOnProfitOrLoss
665 Disclosure of range of exercise prices of outstanding share options [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfRangeOfExercisePricesOfOutstandingShareOptionsExplanatory
666 Disclosure of number and weighted average exercise prices of share options [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory
667 Disclosure of indirect measurement of fair value of goods or services received, share options granted during period [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfIndirectMeasurementOfFairValueOfGoodsOrServicesReceivedShareOptionsGrantedDuringPeriodExplanatory
668 Disclosure of indirect measurement of fair value of goods or services received, other equity instruments granted during period [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfIndirectMeasurementOfFairValueOfGoodsOrServicesReceivedOtherEquityInstrumentsGrantedDuringPeriodExplanatory
669 062 - Disclosure - Note 27 - Loans and Borrowings (Tables) Network

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670 Statement Table [Table] Table

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*

 cmcl:StatementTable
671 Legal Entity [Axis] Axis dei:LegalEntityAxis
672 Entity [Domain] Member dei:EntityDomain
673 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
674 Disclosure of detailed information about borrowings [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsExplanatory
675 063 - Disclosure - Note 28 - Trade and Other Payables (Tables) Network

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 http://www.caledoniamining.com/20181231/role/statement-note-28-trade-and-other-payables-tables
676 Statement Table [Table] Table

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*

 cmcl:StatementTable
677 Legal Entity [Axis] Axis dei:LegalEntityAxis
678 Entity [Domain] Member dei:EntityDomain
679 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
680 Disclosure of detailed information about trade and other payables [text block] Concept (Text Block (HTML)) For Period cmcl:DisclosureOfDetailedInformationAboutTradeAndOtherPayablesTextBlock
681 064 - Disclosure - Note 29 - Cash Flow Information (Tables) Network

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 http://www.caledoniamining.com/20181231/role/statement-note-29-cash-flow-information-tables
682 Statement Table [Table] Table

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*

 cmcl:StatementTable
683 Legal Entity [Axis] Axis dei:LegalEntityAxis
684 Entity [Domain] Member dei:EntityDomain
685 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
686 Disclosure of detailed information of the cash flow statement [text block] Concept (Text Block (HTML)) For Period cmcl:DisclosureOfDetailedInformationOfTheCashFlowStatementTextBlock
687 065 - Disclosure - Note 30 - Financial Instruments (Tables) Network

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 http://www.caledoniamining.com/20181231/role/statement-note-30-financial-instruments-tables
688 Statement Table [Table] Table

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*

 cmcl:StatementTable
689 Legal Entity [Axis] Axis dei:LegalEntityAxis
690 Entity [Domain] Member dei:EntityDomain
691 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
692 Disclosure of credit risk exposure [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfCreditRiskExposureExplanatory
693 Disclosure of maturity analysis for non-derivative financial liabilities [text block] Concept (Text Block (HTML)) For Period ifrs-full:MaturityAnalysisForNonderivativeFinancialLiabilities
694 Sensitivity analysis for types of market risk [text block] Concept (Text Block (HTML)) For Period ifrs-full:SensitivityAnalysisForEachTypeOfMarketRisk
695 066 - Disclosure - Note 31 - Dividends (Tables) Network

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 http://www.caledoniamining.com/20181231/role/statement-note-31-dividends-tables
696 Statement Table [Table] Table

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697 Legal Entity [Axis] Axis dei:LegalEntityAxis
698 Entity [Domain] Member dei:EntityDomain
699 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
700 Disclosure of dividends paid [text block] Concept (Text Block (HTML)) For Period cmcl:DisclosureOfDividendsPaidTextBlock
701 067 - Disclosure - Note 33 - Related Parties (Tables) Network

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 http://www.caledoniamining.com/20181231/role/statement-note-33-related-parties-tables
702 Statement Table [Table] Table

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*

 cmcl:StatementTable
703 Legal Entity [Axis] Axis dei:LegalEntityAxis
704 Entity [Domain] Member dei:EntityDomain
705 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
706 Disclosure of information about key management personnel [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfInformationAboutKeyManagementPersonnelExplanatory
707 068 - Disclosure - Note 34 - Group Entities (Tables) Network

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 http://www.caledoniamining.com/20181231/role/statement-note-34-group-entities-tables
708 Statement Table [Table] Table

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*

 cmcl:StatementTable
709 Legal Entity [Axis] Axis dei:LegalEntityAxis
710 Entity [Domain] Member dei:EntityDomain
711 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
712 Disclosure of interests in subsidiaries [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfInterestsInSubsidiariesExplanatory
713 069 - Disclosure - Note 35 - Operating Segments (Tables) Network

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 http://www.caledoniamining.com/20181231/role/statement-note-35-operating-segments-tables
714 Statement Table [Table] Table

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*

 cmcl:StatementTable
715 Legal Entity [Axis] Axis dei:LegalEntityAxis
716 Entity [Domain] Member dei:EntityDomain
717 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
718 Disclosure of operating segments [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfOperatingSegmentsExplanatory
719 070 - Disclosure - Note 36 - Non-controlling Interests (Tables) Network

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 http://www.caledoniamining.com/20181231/role/statement-note-36-noncontrolling-interests-tables
720 Statement Table [Table] Table

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*

 cmcl:StatementTable
721 Legal Entity [Axis] Axis dei:LegalEntityAxis
722 Entity [Domain] Member dei:EntityDomain
723 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
724 Disclosure of detailed information in non-controlling interests [text block] Concept (Text Block (HTML)) For Period cmcl:DisclosureOfDetailedInformationInNoncontrollingInterestsTextBlock
725 071 - Disclosure - Note 4 - Change in Significant Accounting Policies (Details Textual) Network

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 http://www.caledoniamining.com/20181231/role/statement-note-4-change-in-significant-accounting-policies-details-textual
726 Statement Table [Table] Table

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 cmcl:StatementTable
727 New IFRSs [axis] Axis ifrs-full:NewIFRSsAxis
728 New IFRSs [member] Member ifrs-full:NewIFRSsMember
729 IFRS 9 [member] Member cmcl:IFRS9Member
730 Legal Entity [Axis] Axis dei:LegalEntityAxis
731 Entity [Domain] Member dei:EntityDomain
732 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
733 Impairment loss recognised in profit or loss, trade receivables Concept (Monetary) For Period Debit ifrs-full:ImpairmentLossRecognisedInProfitOrLossTradeReceivables
734 072 - Disclosure - Note 5 - Significant Accounting Policies (Details Textual) Network

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 http://www.caledoniamining.com/20181231/role/statement-note-5-significant-accounting-policies-details-textual
735 Statement Table [Table] Table

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 cmcl:StatementTable
736 Classes of property, plant and equipment [axis] Axis ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
737 Property, plant and equipment [member] Member ifrs-full:PropertyPlantAndEquipmentMember
738 Buildings [member] Member ifrs-full:BuildingsMember
739 Machinery [member] Member ifrs-full:MachineryMember
740 Fixtures and fittings [member] Member ifrs-full:FixturesAndFittingsMember
741 Motor vehicles [member] Member ifrs-full:MotorVehiclesMember
742 Range [axis] Axis ifrs-full:RangeAxis
743 Ranges [member] Member ifrs-full:RangesMember
744 Bottom of range [member] Member ifrs-full:BottomOfRangeMember
745 Top of range [member] Member ifrs-full:TopOfRangeMember
746 Legal Entity [Axis] Axis dei:LegalEntityAxis
747 Entity [Domain] Member dei:EntityDomain
748 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
749 Property, plant, and equipment, useful life Concept (xbrli:durationItemType) For Period cmcl:PropertyPlantAndEquipmentUsefulLife
750 073 - Disclosure - Note 6 - Blanket Zimbabwe Indigenisation Transaction (Details Textual) Network

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 http://www.caledoniamining.com/20181231/role/statement-note-6-blanket-zimbabwe-indigenisation-transaction-details-textual
751 Statement Table [Table] Table

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*

 cmcl:StatementTable
752 Subsidiaries [axis] Axis ifrs-full:SignificantInvestmentsInSubsidiariesAxis
753 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
754 NIEEF [member] Member cmcl:NIEEFMember
755 Fremiro [member] Member cmcl:FremiroMember
756 BETS [member] Member cmcl:BETSMember
757 Community Trust [member] Member cmcl:CommunityTrustMember
758 Blanket Mine (1983) (Private) Limited [member] Member cmcl:BlanketMine1983PrivateLimitedMember
759 Counterparties [axis] Axis ifrs-full:CounterpartiesAxis
760 Counterparties [member] Member ifrs-full:CounterpartiesMember
761 Femiro [Member] Member cmcl:FemiroMember
762 Borrowings by name [axis] Axis ifrs-full:BorrowingsByNameAxis
763 Borrowings by name [member] Member ifrs-full:BorrowingsByNameMember
764 Facilitation loan [member] Member cmcl:FacilitationLoanMember
765 Legal Entity [Axis] Axis dei:LegalEntityAxis
766 Entity [Domain] Member dei:EntityDomain
767 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
768 Proportion of ownership interests held by non-controlling interests Concept (Percent) For Period ifrs-full:ProportionOfOwnershipInterestsHeldByNoncontrollingInterests
769 Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity attributable to owners of parent Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughChangesInOwnershipInterestsInSubsidiariesThatDoNotResultInLossOfControlEquityAttributableToOwnersOfParent
770 Proportion of ownership interest sold Concept (Percent) For Period cmcl:ProportionOfOwnershipInterestSold
771 Non-controlling interest, non-refundable donation Concept (Monetary) For Period Credit cmcl:NoncontrollingInterestNonrefundableDonation
772 Dividend loans, Percentage of dividend as payment of interest Concept (Percent) For Period cmcl:DividendLoansPercentageOfDividendAsPaymentOfInterest
773 Proportion of dividends declared accruing unconditionally Concept (Percent) For Period cmcl:ProportionOfDividendsDeclaredAccruingUnconditionally
774 Borrowings, interest rate Concept (Percent) As Of ifrs-full:BorrowingsInterestRate
775 Proportion of ownership interest acquired Concept (Percent) For Period cmcl:ProportionOfOwnershipInterestAcquired
776 Number of instruments or interests issued or issuable for cancellation of loan Concept (Shares) For Period cmcl:NumberOfInstrumentsOrInterestsIssuedOrIssuableForCancellationOfLoan
777 Shares issued or issuable, price per share Concept (Decimal) For Period cmcl:SharesIssuedOrIssuablePricePerShare
778 Total borrowings Concept (Monetary) As Of Credit ifrs-full:Borrowings
779 Proportion of ownership interest in subsidiary Concept (Percent) For Period ifrs-full:ProportionOfOwnershipInterestInSubsidiary
780 Non-controlling interests recognised, dividends declared accruing unconditionally Concept (Percent) For Period cmcl:NoncontrollingInterestsRecognisedDividendsDeclaredAccruingUnconditionally
781 Percentage of net assets recognised as NCI Concept (Percent) As Of cmcl:PercentageOfNetAssetsRecognisedAsNCI
782 Non-controlling interests recognised, portion recognised to the extent net asset value exceeds faciliation loans Concept (Percent) For Period cmcl:NoncontrollingInterestsRecognisedPortionRecognisedToTheExtentNetAssetValueExceedsFaciliationLoans
783 Non-controlling interests recognised, dividends declared accruing unconditionally employee participation Concept (Percent) For Period cmcl:NoncontrollingInterestsRecognisedDividendsDeclaredAccruingUnconditionallyEmployeeParticipation
784 Borrowings, adjustment to interest rate basis Concept (Percent) As Of ifrs-full:BorrowingsAdjustmentToInterestRateBasis
785 Expense from equity-settled share-based payment transactions in which goods or services received did not qualify for recognition as assets Concept (Monetary) For Period Debit ifrs-full:ExpenseFromEquitysettledSharebasedPaymentTransactionsInWhichGoodsOrServicesReceivedDidNotQualifyForRecognitionAsAssets
786 Dividends received Concept (Monetary) For Period Debit ifrs-full:DividendsReceived
787 Cash advances on dividend loans Concept (Monetary) For Period Credit cmcl:CashAdvancesOnDividendLoans
788 074 - Disclosure - Note 6 - Blanket Zimbabwe Indigenisation Transaction - Shareholder Percentages and Facilitation Loan Balances (Details) Network

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 http://www.caledoniamining.com/20181231/role/statement-note-6-blanket-zimbabwe-indigenisation-transaction-shareholder-percentages-and-facilitation-loan-balances-details
789 Statement Table [Table] Table

*

*

 cmcl:StatementTable
790 Subsidiaries [axis] Axis ifrs-full:SignificantInvestmentsInSubsidiariesAxis
791 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
792 NIEEF [member] Member cmcl:NIEEFMember
793 Fremiro [member] Member cmcl:FremiroMember
794 Community Trust [member] Member cmcl:CommunityTrustMember
795 BETS [member] Member cmcl:BETSMember
796 Legal Entity [Axis] Axis dei:LegalEntityAxis
797 Entity [Domain] Member dei:EntityDomain
798 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
799 Shareholding Concept (Percent) For Period ifrs-full:ProportionOfOwnershipInterestsHeldByNoncontrollingInterests
800 NCI Recognized Concept (Percent) For Period cmcl:NCIRecognised
801 NCI subject to facilitation loans Concept (Percent) For Period cmcl:NCISubjectToFacilitationLoans
802 Faciliation loans Concept (Monetary) As Of Credit cmcl:FacilitationLoans
803 075 - Disclosure - Note 6 - Blanket Zimbabwe Indigenisation Transaction - Facilitation Loans (Details) Network

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 http://www.caledoniamining.com/20181231/role/statement-note-6-blanket-zimbabwe-indigenisation-transaction-facilitation-loans-details
804 Statement Table [Table] Table

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*

 cmcl:StatementTable
805 Components of equity [axis] Axis ifrs-full:ComponentsOfEquityAxis
806 Equity [member] Member ifrs-full:EquityMember
807 Reserve of share-based payments [member] Member ifrs-full:ReserveOfSharebasedPaymentsMember
808 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
809 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
810 Facilitation loans [member] Member cmcl:FacilitationLoansMember
811 Legal Entity [Axis] Axis dei:LegalEntityAxis
812 Entity [Domain] Member dei:EntityDomain
813 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
814 Balance at January 1, 2017 Concept (Monetary) As Of Credit cmcl:FacilitationLoans
815 Interest accrued Concept (Monetary) For Period Credit ifrs-full:RevenueFromInterest
816 Dividends used to repay loans Concept (Monetary) For Period Debit ifrs-full:DividendsReceived
817 Balance at December 31, 2017 Concept (Monetary) As Of Credit cmcl:FacilitationLoans
818 076 - Disclosure - Note 6 - Blanket Zimbabwe Indigenisation Transaction - Movement in Advance Dividend Loan (Details) Network

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 http://www.caledoniamining.com/20181231/role/statement-note-6-blanket-zimbabwe-indigenisation-transaction-movement-in-advance-dividend-loan-details
819 Statement Table [Table] Table

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 cmcl:StatementTable
820 Components of equity [axis] Axis ifrs-full:ComponentsOfEquityAxis
821 Equity [member] Member ifrs-full:EquityMember
822 Reserve of share-based payments [member] Member ifrs-full:ReserveOfSharebasedPaymentsMember
823 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
824 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
825 Advanced dividend loans [member] Member cmcl:AdvancedDividendLoansMember
826 Legal Entity [Axis] Axis dei:LegalEntityAxis
827 Entity [Domain] Member dei:EntityDomain
828 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
829 Balance at January 1, 2017 Concept (Monetary) As Of Credit cmcl:AdvancedDividendLoans
830 Interest accrued Concept (Monetary) For Period Credit ifrs-full:RevenueFromInterest
831 Dividends used to repay loans Concept (Monetary) For Period Debit ifrs-full:DividendsReceived
832 Balance at December 31, 2017 Concept (Monetary) As Of Credit cmcl:AdvancedDividendLoans
833 077 - Disclosure - Note 8 - Capital Management - Components of Capital (Details) Network

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 http://www.caledoniamining.com/20181231/role/statement-note-8-capital-management-components-of-capital-details
834 Statement Table [Table] Table

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*

 cmcl:StatementTable
835 Legal Entity [Axis] Axis dei:LegalEntityAxis
836 Entity [Domain] Member dei:EntityDomain
837 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
838 Total equity Concept (Monetary) As Of Credit ifrs-full:Equity
839 078 - Disclosure - Note 9 - Production Costs - Components of Production Costs (Details) Network

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 http://www.caledoniamining.com/20181231/role/statement-note-9-production-costs-components-of-production-costs-details
840 Statement Table [Table] Table

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 cmcl:StatementTable
841 Legal Entity [Axis] Axis dei:LegalEntityAxis
842 Entity [Domain] Member dei:EntityDomain
843 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
844 Salaries and wages Concept (Monetary) For Period Debit ifrs-full:WagesAndSalaries
845 Expense from cash-settled share-based payment transactions Concept (Monetary) For Period Debit cmcl:ExpenseFromCashsettledSharebasedPaymentTransactions
846 Consumable materials Concept (Monetary) For Period Debit ifrs-full:RawMaterialsAndConsumablesUsed
847 Electricity costs Concept (Monetary) For Period Debit ifrs-full:UtilitiesExpense
848 Site restoration Concept (Monetary) For Period Debit cmcl:DecommissioningRestorationAndRehabilitationExepense
849 Pre-feasibility exploration cost Concept (Monetary) For Period Debit ifrs-full:ExpenseArisingFromExplorationForAndEvaluationOfMineralResources
850 Safety Concept (Monetary) For Period Debit cmcl:SafetyExpense
851 On mine administration Concept (Monetary) For Period Debit cmcl:MineAdministrationCosts
852 Other production cost Concept (Monetary) For Period Debit cmcl:OtherProductionCosts
853 Concept (Monetary) For Period Debit ifrs-full:CostOfSales
854 079 - Disclosure - Note 10 - Other Income (Details Textual) Network

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 http://www.caledoniamining.com/20181231/role/statement-note-10-other-income-details-textual
855 Statement Table [Table] Table

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856 Classes of property, plant and equipment [axis] Axis ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
857 Property, plant and equipment [member] Member ifrs-full:PropertyPlantAndEquipmentMember
858 Eersteling rock dump, one [member] Member cmcl:EerstelingRockDumpOneMember
859 Eersteling rock dump, two [member] Member cmcl:EerstelingRockDumpTwoMember
860 Counterparties [axis] Axis ifrs-full:CounterpartiesAxis
861 Counterparties [member] Member ifrs-full:CounterpartiesMember
862 SH Minerals [member] Member cmcl:ShMineralsMember
863 Legal Entity [Axis] Axis dei:LegalEntityAxis
864 Entity [Domain] Member dei:EntityDomain
865 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
866 Government grants, export incentive on gold Concept (Percent) For Period cmcl:GovernmentGrantsExportIncentiveOnGold
867 Income from sale of rock dump Concept (Monetary) For Period Credit cmcl:IncomeFromSaleOfRockDump
868 Income from pension benefits fund surplus pay-out Concept (Monetary) For Period Credit cmcl:IncomeFromPensionBenefitsFundSurplusPayout
869 080 - Disclosure - Note 10 - Other Income - Components of Other Income (Details) Network

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870 Statement Table [Table] Table

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871 Legal Entity [Axis] Axis dei:LegalEntityAxis
872 Entity [Domain] Member dei:EntityDomain
873 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
874 Government grant – Gold sale export incentive Concept (Monetary) For Period Credit ifrs-full:RevenueFromGovernmentGrants
875 Eersteling rock dump sale Concept (Monetary) For Period Credit cmcl:IncomeFromSaleOfRockDump
876 Greenstone Provident Fund pay-out Concept (Monetary) For Period Credit cmcl:IncomeFromPensionBenefitsFundSurplusPayout
877 Other Concept (Monetary) For Period Credit ifrs-full:MiscellaneousOtherOperatingIncome
878 Concept (Monetary) For Period Credit ifrs-full:OtherIncome
879 081 - Disclosure - Note 11 - Impairment Loss on Trade Receivables (Details Textual) Network

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880 Statement Table [Table] Table

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881 Legal Entity [Axis] Axis dei:LegalEntityAxis
882 Entity [Domain] Member dei:EntityDomain
883 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
884 Impairment loss recognised in profit or loss, trade receivables Concept (Monetary) For Period Debit ifrs-full:ImpairmentLossRecognisedInProfitOrLossTradeReceivables
885 082 - Disclosure - Note 11 - Other Expenses - Components of Other Expenses (Details) Network

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886 Statement Table [Table] Table

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887 Legal Entity [Axis] Axis dei:LegalEntityAxis
888 Entity [Domain] Member dei:EntityDomain
889 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
890 Impairment - 2017 royalty rebate Concept (Monetary) For Period Debit ifrs-full:ImpairmentLossRecognisedInProfitOrLossTradeReceivables
891 083 - Disclosure - Note 12 - Sale of Blanket Mine Treasury Bills (Details Textual) Network

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892 Statement Table [Table] Table

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 cmcl:StatementTable
893 Legal Entity [Axis] Axis dei:LegalEntityAxis
894 Entity [Domain] Member dei:EntityDomain
895 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
896 Net gains (losses) on disposals of investments Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnDisposalsOfInvestments
897 084 - Disclosure - Note 13 - Administrative Expense - Components of Administrative Expense (Details) Network

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898 Statement Table [Table] Table

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899 Legal Entity [Axis] Axis dei:LegalEntityAxis
900 Entity [Domain] Member dei:EntityDomain
901 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
902 Investor relations Concept (Monetary) For Period Debit ifrs-full:CommunicationExpense
903 Audit fee Concept (Monetary) For Period Debit ifrs-full:AuditorsRemuneration
904 Advisory services fee Concept (Monetary) For Period Debit ifrs-full:ProfessionalFeesExpense
905 Listing fees Concept (Monetary) For Period Debit cmcl:ListingFeesExpense
906 Directors fees company Concept (Monetary) For Period Debit ifrs-full:DirectorsRemunerationExpense
907 Directors fees Blanket Mine Concept (Monetary) For Period Debit cmcl:DirectorsRemunerationExpenseFromSubsidiary
908 Employee costs Concept (Monetary) For Period Debit ifrs-full:OtherEmployeeExpense
909 Eersteling Gold Mine administration cost Concept (Monetary) For Period Debit ifrs-full:PropertyManagementExpense
910 Office costs - Zambia Concept (Monetary) For Period Debit cmcl:OfficeExpense
911 Other office administration costs Concept (Monetary) For Period Debit cmcl:OtherAdministrativeExpenses
912 Travel costs Concept (Monetary) For Period Debit ifrs-full:TravelExpense
913 Concept (Monetary) For Period Debit ifrs-full:AdministrativeExpense
914 085 - Disclosure - Note 14 - Finance Income and Finance Costs - Components of Finance Income and Costs (Details) Network

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915 Statement Table [Table] Table

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 cmcl:StatementTable
916 Legal Entity [Axis] Axis dei:LegalEntityAxis
917 Entity [Domain] Member dei:EntityDomain
918 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
919 Interest received – Bank Concept (Monetary) For Period Credit ifrs-full:InterestIncomeOnDeposits
920 Finance cost Abstract cmcl:FinanceCostAbstract
921 Interest – Term loan Concept (Monetary) For Period Debit ifrs-full:InterestExpenseOnBorrowings
922 Interest – Capitalised to Property, plant and equipment (note 17) Concept (Monetary) For Period cmcl:InterestCapitalisedToPropertyPlantAndEquipment
923 Unwinding of rehabilitation provision Concept (Monetary) For Period Debit ifrs-full:ExpenseDueToUnwindingOfDiscountOnProvisions
924 Finance charges – Overdraft Concept (Monetary) For Period Debit ifrs-full:InterestExpenseOnBankLoansAndOverdrafts
925 Finance cost Concept (Monetary) For Period Debit ifrs-full:FinanceCosts
926 086 - Disclosure - Note 15 - Margin Call on Gold Hedge (Details Textual) Network

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927 Statement Table [Table] Table

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 cmcl:StatementTable
928 Hedging instruments [axis] Axis ifrs-full:HedgingInstrumentsAxis
929 Hedging instruments [member] Member ifrs-full:HedgingInstrumentsMember
930 Derivative contract for 8,000 ounces of Gold [member] Member cmcl:DerivativeContractFor8000OuncesOfGoldMember
931 Derivative contract for 15,000 ounces of Gold [member] Member cmcl:DerivativeContractFor15000OuncesOfGoldMember
932 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
933 Risks [member] Member ifrs-full:TypesOfRisksMember
934 Commodity price risk [member] Member ifrs-full:CommodityPriceRiskMember
935 Legal Entity [Axis] Axis dei:LegalEntityAxis
936 Entity [Domain] Member dei:EntityDomain
937 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
938 Derivative contract, number of ounces of gold hedged Concept (Decimal) As Of cmcl:DerivativeContractNumberOfOuncesOfGoldHedged
939 Hedging instruments, protected, price Concept (Monetary) For Period cmcl:HedgingInstrumentsProtectedPrice
940 Hedging instruments, participation, price Concept (Monetary) For Period cmcl:HedgingInstrumentsParticipationPrice
941 Hedging gains (losses) for hedge of group of items with offsetting risk positions Concept (Monetary) For Period Credit ifrs-full:HedgingGainsLossesForHedgeOfGroupOfItemsWithOffsettingRiskPositions
942 Term of derivative contract Concept (xbrli:durationItemType) For Period cmcl:TermOfDerivativeContract
943 Early settlement discount for gold price Concept (Percent) For Period cmcl:EarlySettlementDiscountForGoldPrice
944 087 - Disclosure - Note 16 - Tax Expense (Details Textual) Network

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945 Statement Table [Table] Table

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 cmcl:StatementTable
946 Geographical [Axis] Axis srt:StatementGeographicalAxis
947 Geographical [Domain] Member srt:SegmentGeographicalDomain
948 Zimbabwe Area [member] Member cmcl:ZimbabweAreaMember
949 SOUTH AFRICA Member country:ZA
950 Temporary difference, unused tax losses and unused tax credits [axis] Axis ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis
951 Temporary difference, unused tax losses and unused tax credits [member] Member ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember
952 South African operations [member] Member cmcl:SouthAfricanOperationsMember
953 Zimbabwean operations [member] Member cmcl:ZimbabweanOperationsMember
954 Legal Entity [Axis] Axis dei:LegalEntityAxis
955 Entity [Domain] Member dei:EntityDomain
956 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
957 Applicable tax rate Concept (Percent) For Period ifrs-full:ApplicableTaxRate
958 Tax rate effect of foreign tax rates Concept (Percent) For Period ifrs-full:TaxRateEffectOfForeignTaxRates
959 Tax rate effect of expense not deductible in determining taxable profit (tax loss) Concept (Percent) For Period ifrs-full:TaxRateEffectOfExpenseNotDeductibleInDeterminingTaxableProfitTaxLoss
960 Management fee withholding tax Concept (Percent) For Period cmcl:ManagementFeeWithholdingTax
961 Amount offset against outstanding income tax liabilities Concept (Monetary) For Period Debit cmcl:AmountOffsetAgainstOutstandingIncomeTaxLiabilities
962 Non-deductible withholding tax Concept (Monetary) As Of Credit cmcl:NondeductibleWithholdingTax
963 Increase to income tax liability relating to Voluntary Disclosure Permission agreement Concept (Monetary) For Period Credit cmcl:IncreaseToIncomeTaxLiabilityRelatingToVoluntaryDisclosurePermissionAgreement
964 Net deferred tax assets Concept (Monetary) As Of Debit ifrs-full:NetDeferredTaxAssets
965 Net deferred tax liabilities Concept (Monetary) As Of Credit ifrs-full:NetDeferredTaxLiabilities
966 088 - Disclosure - Note 16 - Tax Expense - Income Tax Components (Details) Network

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967 Statement Table [Table] Table

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 cmcl:StatementTable
968 Legal Entity [Axis] Axis dei:LegalEntityAxis
969 Entity [Domain] Member dei:EntityDomain
970 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
971 Tax recognised in profit or loss Abstract ifrs-full:MajorComponentsOfTaxExpenseIncomeAbstract
972 Current tax Concept (Monetary) For Period Debit ifrs-full:CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriods
973 Income tax– current year Concept (Monetary) For Period Debit ifrs-full:CurrentTaxExpenseIncome
974 Income tax – Prior year under provision Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForCurrentTaxOfPriorPeriod
975 Withholding tax expense – current year Concept (Monetary) For Period Debit cmcl:WithholdingTaxExpenseCurrentYear
976 Withholding tax expense – Prior year over provision Concept (Monetary) For Period Debit cmcl:WithholdingTaxExpensePriorYear
977 Deferred tax expense Concept (Monetary) For Period Debit ifrs-full:DeferredTaxExpenseIncome
978 Origination and reversal of temporary differences Concept (Monetary) For Period Debit ifrs-full:DeferredTaxExpenseIncomeRelatingToOriginationAndReversalOfTemporaryDifferences
979 Tax expense – recognised in profit or loss Concept (Monetary) For Period Debit ifrs-full:IncomeTaxExpenseContinuingOperations
980 Tax expense Concept (Monetary) For Period Debit cmcl:TaxExpenseIncomeContinuingOperationsAndComprehensiveIncome
981 089 - Disclosure - Note 16 - Tax Expense - Unrecognised Deferred Tax Assets (Details) Network

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982 Statement Table [Table] Table

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983 Temporary difference, unused tax losses and unused tax credits [axis] Axis ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis
984 Temporary difference, unused tax losses and unused tax credits [member] Member ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember
985 Eersteling Gold Mining Company Limited [member] Member cmcl:EerstelingGoldMiningCompanyLimitedMember
986 Greenstone Management Services Holdings Limited [member] Member cmcl:GreenstoneManagementServicesHoldingsLimitedMember
987 Unused tax losses [member] Member ifrs-full:UnusedTaxLossesMember
988 Legal Entity [Axis] Axis dei:LegalEntityAxis
989 Entity [Domain] Member dei:EntityDomain
990 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
991 Unrecognised deferred tax assets Concept (Monetary) As Of ifrs-full:UnusedTaxLossesForWhichNoDeferredTaxAssetRecognised
992 090 - Disclosure - Note 16 - Tax Expense - Tax Paid (Details) Network

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993 Statement Table [Table] Table

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994 Legal Entity [Axis] Axis dei:LegalEntityAxis
995 Entity [Domain] Member dei:EntityDomain
996 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
997 Net income tax (payable)/receivable at January 1 Concept (Monetary) As Of Credit cmcl:IncomeTaxPayableReceivable
998 Current tax expense Concept (Monetary) For Period Debit ifrs-full:CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriods
999 Foreign currency movement Concept (Monetary) For Period Credit cmcl:ChangesInTaxesPayableReceivableFromCurrencyFluctuation
1000 Tax paid Concept (Monetary) For Period Credit ifrs-full:IncomeTaxesPaidRefundClassifiedAsOperatingActivities
1001 Net income tax payable at December 31 Concept (Monetary) As Of Credit cmcl:IncomeTaxPayableReceivable
1002 091 - Disclosure - Note 16 - Tax Expense - Reconciliation of Tax Rate (Details) Network

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1003 Statement Table [Table] Table

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 cmcl:StatementTable
1004 Geographical [Axis] Axis srt:StatementGeographicalAxis
1005 Geographical [Domain] Member srt:SegmentGeographicalDomain
1006 Zimbabwe Area [member] Member cmcl:ZimbabweAreaMember
1007 SOUTH AFRICA Member country:ZA
1008 Other [member] Member cmcl:OtherMember
1009 Legal Entity [Axis] Axis dei:LegalEntityAxis
1010 Entity [Domain] Member dei:EntityDomain
1011 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
1012 Profit for the year Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
1013 Total tax expense Concept (Monetary) For Period Debit ifrs-full:IncomeTaxExpenseContinuingOperations
1014 Profit before tax Concept (Monetary) For Period Credit ifrs-full:AccountingProfit
1015 Income tax at Company's domestic tax rate (1) Concept (Monetary) For Period Debit ifrs-full:TaxExpenseIncomeAtApplicableTaxRate
1016 Tax rate differences in foreign jurisdictions (2) Concept (Monetary) For Period Debit ifrs-full:TaxEffectOfForeignTaxRates
1017 Management fee – Withholding tax on deemed dividend portion (3) Concept (Monetary) For Period Debit cmcl:TaxEffectOfManagementFeesWithholdingTaxOnDeemedDividendPortionInDeterminingTaxableProfitTaxLoss
1018 Management fee – non-deductible deemed dividend (3) Concept (Monetary) For Period Debit cmcl:TaxEffectOfManagementFeesNotDeductibleWithholdingTaxPortionInDeterminingTaxableProfitTaxLoss
1019 Management fee – non-deductible withholding tax current year (4) Concept (Monetary) For Period Debit cmcl:TaxEffectOfManagementFeesCurrentYearWithholdingTaxInDeterminingTaxableProfitTaxLoss
1020 Management fee – non-deductible withholding tax prior year (5) Concept (Monetary) For Period Debit cmcl:TaxEffectOfManagementFeesPriorYearWithholdingTaxInDeterminingTaxableProfitTaxLoss
1021 Withholding tax on intercompany dividend Concept (Monetary) For Period Debit cmcl:TaxEffectOfWithholdingTaxOnIntercompanyDividendInDeterminingTaxableProfitTaxLoss
1022 Non-deductible royalty expenses Concept (Monetary) For Period Debit cmcl:TaxEffectOfRoyaltyExpenseNotDeductibleInDeterminingTaxableProfitTaxLoss
1023 Other non-deductible expenditure Concept (Monetary) For Period Debit ifrs-full:TaxEffectOfExpenseNotDeductibleInDeterminingTaxableProfitTaxLoss
1024 Export incentive income credit 2016 Concept (Monetary) For Period Credit cmcl:TaxEffectOfExportIncentiveIncomeCreditsExemptFromTaxation
1025 Export incentive income exemption (6) Concept (Monetary) For Period Credit cmcl:TaxEffectOfExportIncentiveIncomeExemptionExemptFromTaxation
1026 Change in tax estimates Concept (Monetary) For Period Debit cmcl:TaxEffectFromChangesInTaxEstimate
1027 Change in unrecognised deferred tax assets Concept (Monetary) For Period Debit cmcl:TaxEffectOfChangeInUnrecognizedDeferredTaxAssets
1028 092 - Disclosure - Note 16 - Tax Expense - Recognised Deferred Tax Assets and Liabilities (Details) Network

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1029 Statement Table [Table] Table

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1030 Temporary difference, unused tax losses and unused tax credits [axis] Axis ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis
1031 Temporary difference, unused tax losses and unused tax credits [member] Member ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember
1032 Property, plant, and equipment deferred tax liability [member] Member cmcl:PropertyPlantAndEquipmentDeferredTaxLiabilityMember
1033 Allowance for obsolete stock deferred tax asset [member] Member cmcl:AllowanceForObsoleteStockDeferredTaxAssetMember
1034 Prepayments deferred tax liability [member] Member cmcl:PrepaymentsDeferredTaxLiabilityMember
1035 Unrealised foreign exchange gains (losses) [member] Member ifrs-full:UnrealisedForeignExchangeGainsLossesMember
1036 Share-based payments deferred tax assets [member] Member cmcl:SharebasedPaymentsDeferredTaxAssetsMember
1037 Provisions [member] Member cmcl:ProvisionsMember
1038 Other temporary differences [member] Member ifrs-full:OtherTemporaryDifferencesMember
1039 Legal Entity [Axis] Axis dei:LegalEntityAxis
1040 Entity [Domain] Member dei:EntityDomain
1041 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
1042 Deferred tax asset Concept (Monetary) As Of Debit ifrs-full:DeferredTaxAssets
1043 Deferred tax liability Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilities
1044 Net deferred tax asset (liability) Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilityAsset
1045 093 - Disclosure - Note 16 - Tax Expense - Movement in Recognized Deferred Tax Assets and Liabilities (Details) Network

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1046 Statement Table [Table] Table

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1047 Temporary difference, unused tax losses and unused tax credits [axis] Axis ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis
1048 Temporary difference, unused tax losses and unused tax credits [member] Member ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember
1049 Property, plant, and equipment deferred tax liability [member] Member cmcl:PropertyPlantAndEquipmentDeferredTaxLiabilityMember
1050 Allowance for obsolete stock deferred tax asset [member] Member cmcl:AllowanceForObsoleteStockDeferredTaxAssetMember
1051 Prepayments deferred tax liability [member] Member cmcl:PrepaymentsDeferredTaxLiabilityMember
1052 Unrealised foreign exchange gains (losses) [member] Member ifrs-full:UnrealisedForeignExchangeGainsLossesMember
1053 Share-based payments deferred tax assets [member] Member cmcl:SharebasedPaymentsDeferredTaxAssetsMember
1054 Provisions [member] Member cmcl:ProvisionsMember
1055 Other temporary differences [member] Member ifrs-full:OtherTemporaryDifferencesMember
1056 Legal Entity [Axis] Axis dei:LegalEntityAxis
1057 Entity [Domain] Member dei:EntityDomain
1058 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
1059 Deferred tax assets (liabilities) Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilityAsset
1060 Recognised in profit or loss Concept (Monetary) For Period ifrs-full:DeferredTaxExpenseIncomeRecognisedInProfitOrLoss
1061 Foreign exchange movement Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesDeferredTaxLiabilityAsset
1062 Deferred tax assets (liabilities) Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilityAsset
1063 094 - Disclosure - Note 17 - Property, Plant and Equipment (Details Textual) Network

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1064 Statement Table [Table] Table

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1065 Classes of property, plant and equipment [axis] Axis ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
1066 Property, plant and equipment [member] Member ifrs-full:PropertyPlantAndEquipmentMember
1067 Construction in progress [member] Member ifrs-full:ConstructionInProgressMember
1068 Legal Entity [Axis] Axis dei:LegalEntityAxis
1069 Entity [Domain] Member dei:EntityDomain
1070 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
1071 Contractual commitments for acquisition of property, plant and equipment Concept (Monetary) As Of Credit ifrs-full:ContractualCommitmentsForAcquisitionOfPropertyPlantAndEquipment
1072 Rehabilitation costs capitalised Concept (Monetary) For Period Debit cmcl:RehabilitationCostsCapitalised
1073 Additions other than through business combinations, property, plant and equipment Concept (Monetary) For Period Debit ifrs-full:AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment
1074 Borrowing costs capitalised Concept (Monetary) For Period ifrs-full:BorrowingCostsCapitalised
1075 Property, plant and equipment at end of period Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipment
1076 095 - Disclosure - Note 17 - Property, Plant, and Equipment - Reconciliation of Changes in Property, Plant, and Equipment (Details) Network

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1077 Statement Table [Table] Table

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1078 Classes of property, plant and equipment [axis] Axis ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
1079 Property, plant and equipment [member] Member ifrs-full:PropertyPlantAndEquipmentMember
1080 Land and buildings [member] Member ifrs-full:LandAndBuildingsMember
1081 Mining assets [member] Member ifrs-full:MiningAssetsMember
1082 Tangible exploration and evaluation assets [member] Member ifrs-full:TangibleExplorationAndEvaluationAssetsMember
1083 Machinery [member] Member ifrs-full:MachineryMember
1084 Fixtures and fittings [member] Member ifrs-full:FixturesAndFittingsMember
1085 Motor vehicles [member] Member ifrs-full:MotorVehiclesMember
1086 Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Axis ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
1087 Carrying amount [member] Member ifrs-full:CarryingAmountMember
1088 Gross carrying amount [member] Member ifrs-full:GrossCarryingAmountMember
1089 Accumulated depreciation, amortisation and impairment [member] Member ifrs-full:AccumulatedDepreciationAmortisationAndImpairmentMember
1090 Legal Entity [Axis] Axis dei:LegalEntityAxis
1091 Entity [Domain] Member dei:EntityDomain
1092 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
1093 Balance at beginning of period Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipment
1094 Additions ** Concept (Monetary) For Period Debit ifrs-full:AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment
1095 Impairments Concept (Monetary) For Period ifrs-full:ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment
1096 Disposals and scrappings Concept (Monetary) For Period Credit ifrs-full:DisposalsAndRetirementsPropertyPlantAndEquipment
1097 Reallocations between asset classes Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseThroughTransfersPropertyPlantAndEquipment
1098 Foreign exchange movement Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment
1099 Assets held for sale Concept (Monetary) For Period Credit ifrs-full:DecreaseThroughClassifiedAsHeldForSalePropertyPlantAndEquipment
1100 Balance at end of period Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipment
1101 Depreciation for the year Concept (Monetary) For Period ifrs-full:DepreciationPropertyPlantAndEquipment
1102 096 - Disclosure - Note 18 - Inventories (Details Textual) Network

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1103 Statement Table [Table] Table

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 cmcl:StatementTable
1104 Legal Entity [Axis] Axis dei:LegalEntityAxis
1105 Entity [Domain] Member dei:EntityDomain
1106 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
1107 Inventory write-down Concept (Monetary) For Period ifrs-full:InventoryWritedown2011
1108 097 - Disclosure - Note 18 - Inventories - Components of Inventory (Details) Network

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1109 Statement Table [Table] Table

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1110 Legal Entity [Axis] Axis dei:LegalEntityAxis
1111 Entity [Domain] Member dei:EntityDomain
1112 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
1113 Consumable stores Concept (Monetary) As Of Debit ifrs-full:CurrentMaterialsAndSuppliesToBeConsumedInProductionProcessOrRenderingServices
1114 Gold in process Concept (Monetary) As Of Debit ifrs-full:WorkInProgress
1115 Inventories Concept (Monetary) As Of Debit ifrs-full:Inventories
1116 098 - Disclosure - Note 19 - Trade and Other Receivables - Components of Trade and Other Receivables (Details) Network

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1117 Statement Table [Table] Table

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 cmcl:StatementTable
1118 Legal Entity [Axis] Axis dei:LegalEntityAxis
1119 Entity [Domain] Member dei:EntityDomain
1120 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
1121 Bullion revenue receivable Concept (Monetary) As Of Debit ifrs-full:CurrentTradeReceivables
1122 VAT receivables Concept (Monetary) As Of Debit ifrs-full:CurrentValueAddedTaxReceivables
1123 Deposits for stores and equipment and other receivables Concept (Monetary) As Of Debit ifrs-full:CurrentPrepayments
1124 Concept (Monetary) As Of Debit ifrs-full:TradeAndOtherCurrentReceivables
1125 099 - Disclosure - Note 20 - Cash and Cash Equivalents (Details Textual) Network

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1126 Statement Table [Table] Table

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1127 Borrowings by name [axis] Axis ifrs-full:BorrowingsByNameAxis
1128 Borrowings by name [member] Member ifrs-full:BorrowingsByNameMember
1129 Unsecured bank overdraft facility [member] Member cmcl:UnsecuredBankOverdraftFacilityMember
1130 Legal Entity [Axis] Axis dei:LegalEntityAxis
1131 Entity [Domain] Member dei:EntityDomain
1132 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
1133 Maximum borrowing capacity Concept (Monetary) As Of Credit cmcl:MaximumBorrowingCapacity
1134 Bank overdrafts Concept (Monetary) As Of Credit ifrs-full:BankOverdraftsClassifiedAsCashEquivalents
1135 Borrowings, interest rate Concept (Percent) As Of ifrs-full:BorrowingsInterestRate
1136 Borrowings, adjustment to interest rate basis Concept (Percent) As Of ifrs-full:BorrowingsAdjustmentToInterestRateBasis
1137 100 - Disclosure - Note 20 - Cash and Cash Equivalents - Components of Cash and Cash Equivalents (Details) Network

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1138 Statement Table [Table] Table

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1139 Legal Entity [Axis] Axis dei:LegalEntityAxis
1140 Entity [Domain] Member dei:EntityDomain
1141 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
1142 Bank balances Concept (Monetary) As Of Debit ifrs-full:BalancesWithBanks
1143 Cash and cash equivalents Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
1144 Bank overdrafts used for cash management purposes Concept (Monetary) As Of Credit ifrs-full:BankOverdraftsClassifiedAsCashEquivalents
1145 Net cash and cash equivalents at year end Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalentsIfDifferentFromStatementOfFinancialPosition
1146 101 - Disclosure - Note 21 - Disposal Group Held For Sale (Details Textual) Network

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1147 Statement Table [Table] Table

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1148 Counterparties [axis] Axis ifrs-full:CounterpartiesAxis
1149 Counterparties [member] Member ifrs-full:CounterpartiesMember
1150 SH Minerals [member] Member cmcl:ShMineralsMember
1151 Non-adjusting events after reporting period [axis] Axis ifrs-full:NonadjustingEventsAfterReportingPeriodAxis
1152 Non-adjusting events after reporting period [member] Member ifrs-full:NonadjustingEventsMember
1153 Sales agreement with Eersteling Gold Mining Company Limited [member] Member cmcl:SalesAgreementWithEerstelingGoldMiningCompanyLimitedMember
1154 Continuing and discontinued operations [axis] Axis ifrs-full:ContinuingAndDiscontinuedOperationsAxis
1155 Aggregate continuing and discontinued operations [member] Member ifrs-full:AggregateContinuingAndDiscontinuedOperationsMember
1156 Disposal groups classified as held for sale [member] Member ifrs-full:DisposalGroupsClassifiedAsHeldForSaleMember
1157 Legal Entity [Axis] Axis dei:LegalEntityAxis
1158 Entity [Domain] Member dei:EntityDomain
1159 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
1160 Share sale agreement, nonrefundable deposit Concept (Monetary) As Of Debit cmcl:ShareSaleAgreementNonrefundableDeposit
1161 Share sale agreement, once off payment Concept (Monetary) As Of Debit cmcl:ShareSaleAgreementOnceOffPayment
1162 Share sale agreement, nonrefundable deposit, received Concept (Monetary) For Period Debit cmcl:ShareSaleAgreementNonrefundableDepositReceived
1163 Share sale agreement, amendment, purchase price Concept (Monetary) As Of Debit cmcl:ShareSaleAgreementAmendmentPurchasePrice
1164 Share sale agreement, amendment, amount of each payment Concept (Monetary) For Period Debit cmcl:ShareSaleAgreementAmendmentAmountOfEachPayment
1165 Share sale agreement, amendment, amount of payment, received Concept (Monetary) For Period Debit cmcl:ShareSaleAgreementAmendmentAmountOfPaymentReceived
1166 Cumulative income accounted for through other comprehensive income as part of the Foreign Currency Translation Reserve Concept (Monetary) As Of Credit cmcl:CumulativeIncomeAccountedForThroughOtherComprehensiveIncomeAsPartOfTheForeignCurrencyTranslationReserve
1167 102 - Disclosure - Note 21 - Disposal Group Held For Sale - Disposal Group Held For Sale (Details) Network

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1168 Statement Table [Table] Table

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 cmcl:StatementTable
1169 Legal Entity [Axis] Axis dei:LegalEntityAxis
1170 Entity [Domain] Member dei:EntityDomain
1171 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
1172 Property, plant, and equipment Concept (Monetary) As Of Debit cmcl:PropertyPlantAndEquipmentClassifiedAsPartOfDisposalGroupHeldForSale
1173 Trade and other receivables Concept (Monetary) As Of Debit cmcl:TradeAndOtherReceivablesClassifiedAsPartOfDisposalGroupHeldForSale
1174 Cash and cash equivalents Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalentsClassifiedAsPartOfDisposalGroupHeldForSale
1175 Assets held for sale Concept (Monetary) As Of Debit ifrs-full:NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSale
1176 Rehabilitation provision Concept (Monetary) As Of Credit cmcl:RehablitationProvisionClassifiedAsPartOfDisposalGroupHeldForSale
1177 Trade and other payables Concept (Monetary) As Of Credit cmcl:TradeAndOtherPayablesClassifiedAsPartOfDisposalGroupHeldForSale
1178 Liabilities associated with assets held for sale Concept (Monetary) As Of Credit ifrs-full:LiabilitiesIncludedInDisposalGroupsClassifiedAsHeldForSale
1179 103 - Disclosure - Note 22 - Share Capital (Details Textual) Network

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1180 Statement Table [Table] Table

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 cmcl:StatementTable
1181 Classes of share capital [axis] Axis ifrs-full:ClassesOfShareCapitalAxis
1182 Share capital [member] Member ifrs-full:ClassesOfShareCapitalMember
1183 Ordinary shares [member] Member ifrs-full:OrdinarySharesMember
1184 Preference shares [member] Member ifrs-full:PreferenceSharesMember
1185 Legal Entity [Axis] Axis dei:LegalEntityAxis
1186 Entity [Domain] Member dei:EntityDomain
1187 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
1188 Par value per share Concept (Share) As Of ifrs-full:ParValuePerShare
1189 Share consolidation ratio Concept (Pure) For Period cmcl:ShareConsolidationRatio
1190 104 - Disclosure - Note 22 - Share Capital - Issued Ordinary Shares (Details) Network

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1191 Statement Table [Table] Table

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 cmcl:StatementTable
1192 Components of equity [axis] Axis ifrs-full:ComponentsOfEquityAxis
1193 Equity [member] Member ifrs-full:EquityMember
1194 Issued capital [member] Member ifrs-full:IssuedCapitalMember
1195 Legal Entity [Axis] Axis dei:LegalEntityAxis
1196 Entity [Domain] Member dei:EntityDomain
1197 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
1198 Number of fully paid shares issued, beginning of period (in shares) Concept (Shares) As Of ifrs-full:NumberOfSharesOutstanding
1199 Balance Concept (Monetary) As Of Credit ifrs-full:Equity
1200 Number of fully paid shares issued during the year (in shares) Concept (Shares) For Period ifrs-full:IncreaseDecreaseInNumberOfSharesOutstanding
1201 Issued during the year, amount Concept (Monetary) For Period Credit ifrs-full:IssueOfEquity
1202 Number of fully paid shares issued, share repurchased (in shares) Concept (Shares) For Period cmcl:SharesRepurchasedDuringThePeriod
1203 Share repurchased, amount Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughTreasuryShareTransactions
1204 Number of fully paid shares issued, end of period (in shares) Concept (Shares) As Of ifrs-full:NumberOfSharesOutstanding
1205 Balance Concept (Monetary) As Of Credit ifrs-full:Equity
1206 105 - Disclosure - Note 23 - Reserves - Reserves in Equity (Details) Network

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1207 Statement Table [Table] Table

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 cmcl:StatementTable
1208 Legal Entity [Axis] Axis dei:LegalEntityAxis
1209 Entity [Domain] Member dei:EntityDomain
1210 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
1211 Foreign currency translation reserve Concept (Monetary) As Of Credit ifrs-full:ReserveOfChangeInValueOfForeignCurrencyBasisSpreads
1212 Equity-settled share-based payment reserve (note 26.1) Concept (Monetary) As Of Credit ifrs-full:ReserveOfSharebasedPayments
1213 Contributed surplus Concept (Monetary) As Of Credit ifrs-full:CapitalReserve
1214 Total Concept (Monetary) As Of Credit ifrs-full:SharePremium
1215 106 - Disclosure - Note 24 - Earnings Per Share (Details Textual) Network

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1216 Statement Table [Table] Table

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 cmcl:StatementTable
1217 Components of equity [axis] Axis ifrs-full:ComponentsOfEquityAxis
1218 Equity [member] Member ifrs-full:EquityMember
1219 Options out of the money [member] Member cmcl:OptionsOutOfTheMoneyMember
1220 Legal Entity [Axis] Axis dei:LegalEntityAxis
1221 Entity [Domain] Member dei:EntityDomain
1222 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
1223 Antidilutive options excluded from computation of earnings per share, amount Concept (Shares) For Period cmcl:AntidilutiveOptionsExcludedFromComputationOfEarningsPerShareAmount
1224 107 - Disclosure - Note 24 - Earnings Per Share - Earnings Per Share Computations (Details) Network

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1225 Statement Table [Table] Table

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 cmcl:StatementTable
1226 Legal Entity [Axis] Axis dei:LegalEntityAxis
1227 Entity [Domain] Member dei:EntityDomain
1228 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
1229 Issued shares at beginning of year (in shares) Concept (Shares) For Period cmcl:WeightedAverageNumberOfSharesPreconsolidation
1230 Share consolidation (in shares) Concept (Shares) For Period cmcl:AdjustmentFromShareConsolidation
1231 Issued shares post consolidation (in shares) Concept (Shares) For Period cmcl:WeightedAverageNumberOfSharesPostConsolidation
1232 Weighted average shares repurchased (in shares) Concept (Shares) For Period cmcl:WeightedAverageNumberOfSharesRepurchased
1233 Weighted average shares issued (in shares) Concept (Shares) For Period cmcl:WeightedAverageNumberOfSharesIssued
1234 Weighted average number of shares at December 31 (in shares) Concept (Shares) For Period ifrs-full:WeightedAverageShares
1235 Weighted average shares at December 31 (in shares) Concept (Shares) For Period ifrs-full:WeightedAverageShares
1236 Effect of dilutive options (in shares) Concept (Shares) For Period ifrs-full:DilutiveEffectOfShareOptionsOnNumberOfOrdinaryShares
1237 Weighted average number of shares (diluted) at December 31 (in shares) Concept (Shares) For Period ifrs-full:AdjustedWeightedAverageShares
1238 Profit/(loss) for the year attributable to owners of the Company (basic and diluted) Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToOwnersOfParent
1239 Blanket Mine Employee Trust Adjustment Concept (Monetary) For Period Debit cmcl:AdjustmentToProfitLossForEmployeeTrust
1240 Profit attributable to ordinary shareholders (basic and diluted) Concept (Monetary) For Period Credit cmcl:ProfitLossAttributableToOwnersOfParentAfterEmployeeTrustAdjustment
1241 Basic earnings per share - $ Concept (Decimal) For Period cmcl:AdjustedBasicEarningsLossPerShare
1242 Diluted earnings per share - $ Concept (Decimal) For Period cmcl:AdjustedDilutedEarningsLossPerShare
1243 108 - Disclosure - Note 25 - Provisions (Details Textual) Network

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1244 Statement Table [Table] Table

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 cmcl:StatementTable
1245 Classes of other provisions [axis] Axis ifrs-full:ClassesOfProvisionsAxis
1246 Other provisions [member] Member ifrs-full:OtherProvisionsMember
1247 Provision for decommissioning, restoration and rehabilitation costs for Blanket mine [member] Member cmcl:ProvisionForDecommissioningRestorationAndRehabilitationCostsForBlanketMineMember
1248 Provision for decommissioning, restoration and rehabilitation costs for Eersteling mine [member] Member cmcl:ProvisionForDecommissioningRestorationAndRehabilitationCostsForEerstelingMineMember
1249 Legal Entity [Axis] Axis dei:LegalEntityAxis
1250 Entity [Domain] Member dei:EntityDomain
1251 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
1252 Major assumptions made concerning future events, other provisions, discount rate Concept (Percent) As Of cmcl:MajorAssumptionsMadeConcerningFutureEventsOtherProvisionsDiscountRate
1253 Major assumptions made concerning future events, other Provisions, inflation rate Concept (Percent) As Of cmcl:MajorAssumptionsMadeConcerningFutureEventsOtherProvisionsInflationRate
1254 Other provisions, undiscounted cash flows Concept (Monetary) As Of Credit cmcl:OtherProvisionsUndiscountedCashFlows
1255 109 - Disclosure - Note 25 - Provisions - Reconciliation of Site Restoration Provision (Details) Network

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1256 Statement Table [Table] Table

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 cmcl:StatementTable
1257 Classes of other provisions [axis] Axis ifrs-full:ClassesOfProvisionsAxis
1258 Other provisions [member] Member ifrs-full:OtherProvisionsMember
1259 Provision for decommissioning, restoration and rehabilitation costs [member] Member ifrs-full:ProvisionForDecommissioningRestorationAndRehabilitationCostsMember
1260 Legal Entity [Axis] Axis dei:LegalEntityAxis
1261 Entity [Domain] Member dei:EntityDomain
1262 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
1263 Balance at January 1 Concept (Monetary) As Of Credit ifrs-full:OtherProvisions
1264 Reclassified to Liabilities associated with assets held for sale Concept (Monetary) For Period Debit ifrs-full:DecreaseThroughTransferToLiabilitiesIncludedInDisposalGroupsClassifiedAsHeldForSaleOtherProvisions
1265 Foreign exchange movement Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesOtherProvisions
1266 Unwinding of discount Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughTimeValueOfMoneyAdjustmentOtherProvisions
1267 Rehabilitation performed Concept (Monetary) For Period Debit ifrs-full:ProvisionUsedOtherProvisions
1268 - adjusted through profit or loss Concept (Monetary) For Period Credit cmcl:IncreaseDecreaseThroughChangeInDiscountRateAdjustedThroughProfitOrLossOtherProvisions
1269 - adjustment capitalised in Property, plant and equipment Concept (Monetary) For Period Credit cmcl:IncreaseDecreaseThroughChangeInDiscountRateAdjustmentCapitalisedInPropertyPlantAndEquipmentOtherProvisions
1270 Balance at December 31 Concept (Monetary) As Of Credit ifrs-full:OtherProvisions
1271 110 - Disclosure - Note 26 - Share-based Expenses (Details Textual) Network

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1272 Statement Table [Table] Table

*

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 cmcl:StatementTable
1273 Types of share-based payment arrangements [axis] Axis ifrs-full:TypesOfSharebasedPaymentArrangementsAxis
1274 Share-based payment arrangements [member] Member ifrs-full:SharebasedPaymentArrangementsMember
1275 Omnibus Equity Incetive Compensation Plan [member] Member cmcl:OmnibusEquityIncetiveCompensationPlanMember
1276 Rolling Stock Option Plan [member] Member cmcl:RollingStockOptionPlanMember
1277 Restricted stock units (RSUs) [member] Member cmcl:RestrictedStockUnitsRsusMember
1278 Performance share units (PSUs) [member] Member cmcl:PerformanceShareUnitsPsusMember
1279 Cash-settled awards [member] Member cmcl:CashsettledAwardsMember
1280 Counterparties [axis] Axis ifrs-full:CounterpartiesAxis
1281 Counterparties [member] Member ifrs-full:CounterpartiesMember
1282 Mr. J Staiger [member] Member cmcl:MrJStaigerMember
1283 Types of interest rates [axis] Axis ifrs-full:TypesOfInterestRatesAxis
1284 Interest rate types [member] Member ifrs-full:InterestRateTypesMember
1285 LIBOR [member] Member cmcl:LIBORMember
1286 Borrowings by name [axis] Axis ifrs-full:BorrowingsByNameAxis
1287 Borrowings by name [member] Member ifrs-full:BorrowingsByNameMember
1288 Faciliation and advanced dividend loans [member] Member cmcl:FaciliationAndAdvancedDividendLoansMember
1289 Legal Entity [Axis] Axis dei:LegalEntityAxis
1290 Entity [Domain] Member dei:EntityDomain
1291 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
1292 Option life, share options granted Concept (Decimal) For Period ifrs-full:DescriptionOfOptionLifeShareOptionsGranted
1293 Share-based compensation arrangement, percentage of outstanding stock maximum Concept (Percent) For Period cmcl:SharebasedCompensationArrangementPercentageOfOutstandingStockMaximum
1294 Weighted average remaining contractual life of outstanding share options Concept (Decimal) As Of ifrs-full:WeightedAverageRemainingContractualLifeOfOutstandingShareOptions
1295 Expense from equity-settled share-based payment transactions in which goods or services received did not qualify for recognition as assets Concept (Monetary) For Period Debit ifrs-full:ExpenseFromEquitysettledSharebasedPaymentTransactionsInWhichGoodsOrServicesReceivedDidNotQualifyForRecognitionAsAssets
1296 Share consolidation ratio Concept (Pure) For Period cmcl:ShareConsolidationRatio
1297 Borrowings, adjustment to interest rate basis Concept (Percent) As Of ifrs-full:BorrowingsAdjustmentToInterestRateBasis
1298 Borrowings, interest rate Concept (Percent) As Of ifrs-full:BorrowingsInterestRate
1299 Dividend loans, Percentage of dividend as payment of interest Concept (Percent) For Period cmcl:DividendLoansPercentageOfDividendAsPaymentOfInterest
1300 Vesting period of other equity instruments Concept (Decimal) For Period cmcl:VestingPeriodOfOtherEquityInstruments
1301 Performance probability Concept (Percent) For Period cmcl:PerformanceProbability
1302 Liabilities from share-based payment transactions Concept (Monetary) As Of Credit ifrs-full:LiabilitiesFromSharebasedPaymentTransactions2011
1303 Expense from cash-settled share-based payment transactions Concept (Monetary) For Period Debit cmcl:ExpenseFromCashsettledSharebasedPaymentTransactions
1304 Number of other equity instruments granted in share-based payment arrangement Concept (Decimal) For Period ifrs-full:NumberOfInstrumentsOtherEquityInstrumentsGranted
1305 Weighted average fair value at measurement date, other equity instruments granted Concept (Monetary) As Of Credit ifrs-full:WeightedAverageFairValueAtMeasurementDateOtherEquityInstrumentsGranted
1306 Expense from cash-settled share-based payment transactions in which goods or services received did not qualify for recognition as assets Concept (Monetary) For Period Debit ifrs-full:ExpenseFromCashsettledSharebasedPaymentTransactionsInWhichGoodsOrServicesReceivedDidNotQualifyForRecognitionAsAssets
1307 111 - Disclosure - Note 26 - Share-based Expenses - Share-based Expense (Details) Network

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1308 Statement Table [Table] Table

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 cmcl:StatementTable
1309 Types of share-based payment arrangements [axis] Axis ifrs-full:TypesOfSharebasedPaymentArrangementsAxis
1310 Share-based payment arrangements [member] Member ifrs-full:SharebasedPaymentArrangementsMember
1311 Share option programmes [member] Member cmcl:ShareOptionProgrammesMember
1312 Restricted and performance share units [member] Member cmcl:RestrictedAndPerformanceShareUnitsMember
1313 Facilitation and advanced dividend loan modification [member] Member cmcl:FacilitationAndAdvancedDividendLoanModificationMember
1314 Cash-settled awards [member] Member cmcl:CashsettledAwardsMember
1315 Legal Entity [Axis] Axis dei:LegalEntityAxis
1316 Entity [Domain] Member dei:EntityDomain
1317 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
1318 Equity-settled share-based payment expense Concept (Monetary) For Period Debit ifrs-full:ExpenseFromEquitysettledSharebasedPaymentTransactionsInWhichGoodsOrServicesReceivedDidNotQualifyForRecognitionAsAssets
1319 Cash-settled share-based payment expense Concept (Monetary) For Period Debit ifrs-full:ExpenseFromCashsettledSharebasedPaymentTransactionsInWhichGoodsOrServicesReceivedDidNotQualifyForRecognitionAsAssets
1320 112 - Disclosure - Note 26 - Share-based Expenses - Options Outstanding (Details) Network

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1321 Statement Table [Table] Table

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 cmcl:StatementTable
1322 Ranges of exercise prices for outstanding share options [axis] Axis ifrs-full:RangesOfExercisePricesForOutstandingShareOptionsAxis
1323 Ranges of exercise prices for outstanding share options [member] Member ifrs-full:RangesOfExercisePricesForOutstandingShareOptionsMember
1324 Exercise price 1 [member] Member cmcl:ExercisePrice1Member
1325 Exercise price 2 [member] Member cmcl:ExercisePrice2Member
1326 Exercise price 3 [member] Member cmcl:ExercisePrice3Member
1327 Exercise price 4 [member] Member cmcl:ExercisePrice4Member
1328 Legal Entity [Axis] Axis dei:LegalEntityAxis
1329 Entity [Domain] Member dei:EntityDomain
1330 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
1331 Exercise price Concept (Monetary) As Of ifrs-full:WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement
1332 Number of options Concept (Decimal) As Of ifrs-full:NumberOfOutstandingShareOptions
1333 113 - Disclosure - Note 26 - Share-based Expenses - Option Activity (Details) Network

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1334 Statement Table [Table] Table

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 cmcl:StatementTable
1335 Legal Entity [Axis] Axis dei:LegalEntityAxis
1336 Entity [Domain] Member dei:EntityDomain
1337 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
1338 Number of options outstanding and exercisable Concept (Decimal) As Of cmcl:NumberOfShareOptionsOutstandingAndExercisableInSharebasedPaymentArrangement
1339 Weighted average exercise price, options outstanding and exercisable Concept (Monetary) As Of cmcl:WeightedAverageExercisePriceOfShareOptionsOutstandingAndExercisableInSharebasedPaymentArrangement
1340 Number of options expired or forfeited Concept (Decimal) For Period ifrs-full:NumberOfShareOptionsForfeitedInSharebasedPaymentArrangement
1341 Weighted average exercise price, expired or forfeited Concept (Monetary) For Period ifrs-full:WeightedAverageExercisePriceOfShareOptionsForfeitedInSharebasedPaymentArrangement
1342 Number of options granted Concept (Decimal) For Period ifrs-full:NumberOfShareOptionsGrantedInSharebasedPaymentArrangement
1343 Weighted average exercise price, granted Concept (Monetary) For Period ifrs-full:WeightedAverageExercisePriceOfShareOptionsGrantedInSharebasedPaymentArrangement
1344 Number of options exercised Concept (Decimal) For Period ifrs-full:NumberOfShareOptionsExercisedInSharebasedPaymentArrangement
1345 Weighted average exercise price, exercised Concept (Monetary) For Period ifrs-full:WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement
1346 Number of options outstanding and exercisable Concept (Decimal) As Of cmcl:NumberOfShareOptionsOutstandingAndExercisableInSharebasedPaymentArrangement
1347 Weighted average exercise price, options outstanding and exercisable Concept (Monetary) As Of cmcl:WeightedAverageExercisePriceOfShareOptionsOutstandingAndExercisableInSharebasedPaymentArrangement
1348 114 - Disclosure - Note 26 - Share-based Expenses - Inputs for Measurement of Grant Date Fair Values and Share Units Granted (Details) Network

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1349 Statement Table [Table] Table

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 cmcl:StatementTable
1350 Types of share-based payment arrangements [axis] Axis ifrs-full:TypesOfSharebasedPaymentArrangementsAxis
1351 Share-based payment arrangements [member] Member ifrs-full:SharebasedPaymentArrangementsMember
1352 Options granted on December 21, 2015 [member] Member cmcl:OptionsGrantedOnDecember212015Member
1353 Restricted stock units (RSUs) [member] Member cmcl:RestrictedStockUnitsRsusMember
1354 Performance share units (PSUs) [member] Member cmcl:PerformanceShareUnitsPsusMember
1355 Creation date [axis] Axis ifrs-full:CreationDateAxis
1356 Default financial statements date [member] Member ifrs-full:DefaultFinancialStatementsDateMember
1357 January 11, 2016 [member] Member cmcl:January112016Member
1358 March 23, 2016 [member] Member cmcl:March232016Member
1359 June 8, 2016 [member] Member cmcl:June82016Member
1360 January 19, 2017 [member] Member cmcl:January192017Member
1361 Legal Entity [Axis] Axis dei:LegalEntityAxis
1362 Entity [Domain] Member dei:EntityDomain
1363 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
1364 Options granted Concept (Decimal) For Period ifrs-full:NumberOfShareOptionsGrantedInSharebasedPaymentArrangement
1365 Risk-free interest rate Concept (Percent) For Period ifrs-full:DescriptionOfRiskFreeInterestRateShareOptionsGranted
1366 Expected stock price volatility (based on historical volatility) Concept (Percent) For Period ifrs-full:DescriptionOfExpectedVolatilityShareOptionsGranted
1367 Expected option life in years Concept (Decimal) For Period ifrs-full:DescriptionOfOptionLifeShareOptionsGranted
1368 Exercise price Concept (Monetary) For Period ifrs-full:ExercisePriceShareOptionsGranted
1369 Share price at grant date Concept (Monetary) For Period ifrs-full:WeightedAverageSharePrice
1370 Fair value at grant date Concept (Monetary) As Of Credit ifrs-full:WeightedAverageFairValueAtMeasurementDateShareOptionsGranted
1371 Fair value ($) Concept (Monetary) As Of Credit ifrs-full:WeightedAverageFairValueAtMeasurementDateOtherEquityInstrumentsGranted
1372 Performance multiplier percentage Concept (Percent) For Period cmcl:PerformanceMultiplier
1373 Grants Concept (Decimal) For Period ifrs-full:NumberOfInstrumentsOtherEquityInstrumentsGranted
1374 Grants Concept (Decimal) For Period cmcl:NumberOfOtherEquityInstrumentsGrantedInSharebasedPaymentArrangementFromDividends
1375 Total awards at December 31 Concept (Decimal) As Of ifrs-full:NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement
1376 115 - Disclosure - Note 26 - Share-based Expenses - Facilitation and Advance Dividend Loan Modification (Details) Network

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1377 Statement Table [Table] Table

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1378 Borrowings by name [axis] Axis ifrs-full:BorrowingsByNameAxis
1379 Borrowings by name [member] Member ifrs-full:BorrowingsByNameMember
1380 Faciliation and advanced dividend loans [member] Member cmcl:FaciliationAndAdvancedDividendLoansMember
1381 Range [axis] Axis ifrs-full:RangeAxis
1382 Ranges [member] Member ifrs-full:RangesMember
1383 Bottom of range [member] Member ifrs-full:BottomOfRangeMember
1384 Top of range [member] Member ifrs-full:TopOfRangeMember
1385 Legal Entity [Axis] Axis dei:LegalEntityAxis
1386 Entity [Domain] Member dei:EntityDomain
1387 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
1388 Blanket Mine dividend yield Concept (Percent) For Period cmcl:ExpectedDividendAsPercentageOtherEquityInstruments
1389 Risk free interest rate Concept (Text/String) For Period ifrs-full:InformationAboutHowFairWasDeterminedIfNotOnBasisOfObservableMarketOtherEquityInstrumentsGranted
1390 Group market capitalisation at grant date ($’000) Concept (Monetary) As Of Credit cmcl:GroupMarketCapitalisation
1391 116 - Disclosure - Note 26 - Share-based Expenses - Other Equity Share Units Granted (Details) Network

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1392 Statement Table [Table] Table

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1393 Types of share-based payment arrangements [axis] Axis ifrs-full:TypesOfSharebasedPaymentArrangementsAxis
1394 Share-based payment arrangements [member] Member ifrs-full:SharebasedPaymentArrangementsMember
1395 Cash-settled awards [member] Member cmcl:CashsettledAwardsMember
1396 Creation date [axis] Axis ifrs-full:CreationDateAxis
1397 Default financial statements date [member] Member ifrs-full:DefaultFinancialStatementsDateMember
1398 July 2017 [member] Member cmcl:July2017Member
1399 August 2018 [member] Member cmcl:August2018Member
1400 Legal Entity [Axis] Axis dei:LegalEntityAxis
1401 Entity [Domain] Member dei:EntityDomain
1402 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
1403 Grants Concept (Decimal) For Period ifrs-full:NumberOfInstrumentsOtherEquityInstrumentsGranted
1404 Awards paid out Concept (Decimal) For Period ifrs-full:NumberOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement
1405 Total awards outstanding December 31 Concept (Decimal) As Of ifrs-full:NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement
1406 Estimated awards expected to vest at December 31 Concept (Percent) As Of cmcl:EstimatedAwardsExpectedToVestPercentage
1407 117 - Disclosure - Note 27 - Loans and Borrowings (Details Textual) Network

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1408 Statement Table [Table] Table

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1409 Legal Entity [Axis] Axis dei:LegalEntityAxis
1410 Entity [Domain] Member dei:EntityDomain
1411 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
1412 Proceeds from borrowings, classified as financing activities Concept (Monetary) For Period Debit ifrs-full:ProceedsFromBorrowingsClassifiedAsFinancingActivities
1413 Borrowings, interest rate Concept (Percent) As Of ifrs-full:BorrowingsInterestRate
1414 Payments for debt issue costs Concept (Monetary) For Period Credit ifrs-full:PaymentsForDebtIssueCosts
1415 118 - Disclosure - Note 27 - Loans and Borrowings - Loans (Details) Network

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1416 Statement Table [Table] Table

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1417 Legal Entity [Axis] Axis dei:LegalEntityAxis
1418 Entity [Domain] Member dei:EntityDomain
1419 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
1420 Balance at January 1 Concept (Monetary) As Of Credit ifrs-full:Borrowings
1421 - Capital Concept (Monetary) For Period Credit ifrs-full:RepaymentsOfBorrowingsClassifiedAsFinancingActivities
1422 - Interest Concept (Monetary) For Period Credit ifrs-full:InterestPaidClassifiedAsFinancingActivities
1423 Proceeds from borrowings, classified as financing activities Concept (Monetary) For Period Debit ifrs-full:ProceedsFromBorrowingsClassifiedAsFinancingActivities
1424 Transaction cost Concept (Monetary) For Period Credit ifrs-full:PaymentsForDebtIssueCosts
1425 Interest Concept (Monetary) For Period ifrs-full:InterestCostsCapitalised
1426 Balance at December 31 Concept (Monetary) As Of Credit ifrs-full:Borrowings
1427 Long-term portion of term loan facility Concept (Monetary) As Of Credit ifrs-full:LongtermBorrowings
1428 Short-term portion of term loan facility Concept (Monetary) As Of Credit ifrs-full:CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings
1429 119 - Disclosure - Note 28 - Trade and Other Payables - Components (Details) Network

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1430 Statement Table [Table] Table

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1431 Legal Entity [Axis] Axis dei:LegalEntityAxis
1432 Entity [Domain] Member dei:EntityDomain
1433 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
1434 Trade payables and accruals Concept (Monetary) As Of Credit ifrs-full:TradeAndOtherCurrentPayablesToTradeSuppliers
1435 Electricity accrual Concept (Monetary) As Of Credit ifrs-full:CurrentPayablesForPurchaseOfEnergy
1436 Audit fee Concept (Monetary) As Of Credit cmcl:AuditFeePayableCurrent
1437 Other payables Concept (Monetary) As Of Credit ifrs-full:OtherCurrentPayables
1438 Financial liabilities Concept (Monetary) As Of Credit ifrs-full:CurrentFinancialLiabilities
1439 Production and management bonus accrual - Blanket Mine Concept (Monetary) As Of Credit ifrs-full:ShorttermEmployeeBenefitsAccruals
1440 Other employee benefits Concept (Monetary) As Of Credit ifrs-full:CurrentProvisionsForEmployeeBenefits
1441 Leave pay Concept (Monetary) As Of Credit cmcl:LeavePayPayableCurrent
1442 Non-financial liabilities Concept (Monetary) As Of Credit cmcl:CurrentNonfinancialLiabilities
1443 Total Concept (Monetary) As Of Credit ifrs-full:TradeAndOtherCurrentPayables
1444 120 - Disclosure - Note 29 - Cash Flow Information - Non-cash Items and Information (Details) Network

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1445 Statement Table [Table] Table

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1446 Legal Entity [Axis] Axis dei:LegalEntityAxis
1447 Entity [Domain] Member dei:EntityDomain
1448 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
1449 Operating profit Concept (Monetary) For Period Credit ifrs-full:ProfitLossFromOperatingActivities
1450 Loss on sale of Property, plant and equipment Concept (Monetary) For Period Credit ifrs-full:AdjustmentsForGainLossOnDisposalsPropertyPlantAndEquipment
1451 Impairment of Property, plant and equipment Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment
1452 Foreign exchange (gains)/losses Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForUnrealisedForeignExchangeLossesGains
1453 Cash-settled share-based payment expense Concept (Monetary) For Period Debit cmcl:AdjustmentsForCashsettledSharebasedPaymentExpense
1454 Cash-settled share-based payment expense included in operating cost Concept (Monetary) For Period Debit cmcl:AdjustmentsForCashsettledSharebasedPaymentExpenseIncludedInOperatingCost
1455 Equity-settled share-based payment expense Concept (Monetary) For Period Debit cmcl:AdjustmentForEquitysettledSharebasedPaymentExpense
1456 Site restoration Concept (Monetary) For Period Debit cmcl:AdjustmentsForSiteRestoration
1457 Depreciation Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForDepreciationExpense
1458 Allowance for obsolete stock Concept (Monetary) For Period Debit cmcl:AdjustmentsForAllowanceOfObsoleteStock
1459 Provision for impairment – royalty rebate (note 11) Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss
1460 Net cash used for assets and liabilities held for sale Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromUsedInOperatingActivitiesDiscontinuedOperations
1461 Cash generated by operations before working capital changes Concept (Monetary) For Period ifrs-full:CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital
1462 Inventories Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForDecreaseIncreaseInInventories
1463 Prepayments Concept (Monetary) For Period Debit cmcl:AdjustmentsForDecreaseIncreaseInPrepayments
1464 Trade and other receivables Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivables
1465 Trade and other payables Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForIncreaseDecreaseInTradeAndOtherPayables
1466 Cash flows from operating activities Concept (Monetary) For Period ifrs-full:CashFlowsFromUsedInOperations
1467 121 - Disclosure - Note 30 - Financial Instruments (Details Textual) Network

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1468 Statement Table [Table] Table

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1469 Past due status [axis] Axis ifrs-full:PastDueStatusAxis
1470 Past due status [member] Member ifrs-full:PastDueStatusMember
1471 Current [member] Member ifrs-full:CurrentMember
1472 Hedging instruments [axis] Axis ifrs-full:HedgingInstrumentsAxis
1473 Hedging instruments [member] Member ifrs-full:HedgingInstrumentsMember
1474 Derivative contract for 8,000 ounces of Gold [member] Member cmcl:DerivativeContractFor8000OuncesOfGoldMember
1475 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
1476 Risks [member] Member ifrs-full:TypesOfRisksMember
1477 Commodity price risk [member] Member ifrs-full:CommodityPriceRiskMember
1478 Legal Entity [Axis] Axis dei:LegalEntityAxis
1479 Entity [Domain] Member dei:EntityDomain
1480 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
1481 Total trade and other current receivables Concept (Monetary) As Of Debit ifrs-full:TradeAndOtherCurrentReceivables
1482 Cash and cash equivalents denominated in RTGS Concept (Monetary) As Of Debit cmcl:CashAndCashEquivalentsDenominatedInRTGS
1483 Term loan denominated in RTGS Concept (Monetary) As Of Credit cmcl:TermLoanDenominatedInRTGS
1484 Derivative contract, number of ounces of gold hedged Concept (Decimal) As Of cmcl:DerivativeContractNumberOfOuncesOfGoldHedged
1485 Hedging instruments, protected, price Concept (Monetary) For Period cmcl:HedgingInstrumentsProtectedPrice
1486 Hedging instruments, participation, price Concept (Monetary) For Period cmcl:HedgingInstrumentsParticipationPrice
1487 Hedging gains (losses) for hedge of group of items with offsetting risk positions Concept (Monetary) For Period Credit ifrs-full:HedgingGainsLossesForHedgeOfGroupOfItemsWithOffsettingRiskPositions
1488 122 - Disclosure - Note 30 - Financial Instruments - Credit Risk (Details) Network

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1489 Statement Table [Table] Table

*

*

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1490 Geographical areas [axis] Axis ifrs-full:GeographicalAreasAxis
1491 Geographical areas [member] Member ifrs-full:GeographicalAreasMember
1492 Zimbabwean operations [member] Member cmcl:ZimbabweanOperationsMember
1493 Other [member] Member cmcl:OtherMember
1494 Legal Entity [Axis] Axis dei:LegalEntityAxis
1495 Entity [Domain] Member dei:EntityDomain
1496 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
1497 Carrying amount Concept (Monetary) As Of ifrs-full:MaximumExposureToCreditRisk
1498 123 - Disclosure - Note 30 - Financial Instruments - Non-derivative Financial Liabilities (Details) Network

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1499 Statement Table [Table] Table

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1500 Maturity [axis] Axis ifrs-full:MaturityAxis
1501 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
1502 Not later than one year [member] Member ifrs-full:NotLaterThanOneYearMember
1503 Later than one year and not later than three years [member] Member ifrs-full:LaterThanOneYearAndNotLaterThanThreeYearsMember
1504 Legal Entity [Axis] Axis dei:LegalEntityAxis
1505 Entity [Domain] Member dei:EntityDomain
1506 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
1507 Trade and other payables Concept (Monetary) As Of Credit ifrs-full:TradeAndOtherPayablesUndiscountedCashFlows
1508 Term loan facility Concept (Monetary) As Of Credit ifrs-full:BankBorrowingsUndiscountedCashFlows
1509 Concept (Monetary) As Of Credit ifrs-full:NonderivativeFinancialLiabilitiesUndiscountedCashFlows
1510 Overdraft Concept (Monetary) As Of Credit ifrs-full:BankOverdraftsClassifiedAsCashEquivalents
1511 124 - Disclosure - Note 30 - Financial Instruments - Exposure to Risk (Details) Network

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1512 Statement Table [Table] Table

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1513 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
1514 Risks [member] Member ifrs-full:TypesOfRisksMember
1515 Currency risk [member] Member ifrs-full:CurrencyRiskMember
1516 Interest rate risk [member] Member ifrs-full:InterestRateRiskMember
1517 Interest rate risk , increase by 100 basis points [member] Member cmcl:InterestRateRiskIncreaseBy100BasisPointsMember
1518 Interest rate risk, decrease by 100 basis points [member] Member cmcl:InterestRateRiskDecreaseBy100BasisPointsMember
1519 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
1520 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
1521 Cash and cash equivalents [member] Member cmcl:CashAndCashEquivalentsMember
1522 Term loan and bank overdraft [member] Member cmcl:TermLoanAndBankOverdraftMember
1523 Trade and other receivables [member] Member cmcl:TradeAndOtherReceivablesMember
1524 Term loan facility [member] Member cmcl:TermLoanFacilityMember
1525 Trade and other payables [member] Member cmcl:TradeAndOtherPayablesMember
1526 Term loan [member] Member cmcl:TermLoanMember
1527 Legal Entity [Axis] Axis dei:LegalEntityAxis
1528 Entity [Domain] Member dei:EntityDomain
1529 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
1530 Net monetary assets/(liabilities) exposed Concept (Monetary) As Of Debit cmcl:NetMonetaryAssetsliabilitiesExposed
1531 Effect of possible strengthening or weakening Concept (Monetary) As Of Debit cmcl:FunctionalCurrenciesAgainstTheForeignCurrenciesEffectOnProfitOrLossAndEquity
1532 125 - Disclosure - Note 31 - Dividends (Details Textual) Network

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1533 Statement Table [Table] Table

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1534 Legal Entity [Axis] Axis dei:LegalEntityAxis
1535 Entity [Domain] Member dei:EntityDomain
1536 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
1537 Dividends recognised as distributions to owners per share Concept (Share) For Period ifrs-full:DividendsRecognisedAsDistributionsToOwnersPerShare
1538 126 - Disclosure - Note 31 - Dividends - Dividends Paid (Details) Network

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1539 Statement Table [Table] Table

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1540 Legal Entity [Axis] Axis dei:LegalEntityAxis
1541 Entity [Domain] Member dei:EntityDomain
1542 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
1543 Dividends paid to owners of the Company (Excluding NCI) Concept (Monetary) For Period Debit ifrs-full:DividendsRecognisedAsDistributionsToOwnersOfParent
1544 127 - Disclosure - Note 32 - Contingencies (Details Textual) Network

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1545 Statement Table [Table] Table

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1546 Classes of contingent liabilities [axis] Axis ifrs-full:ClassesOfContingentLiabilitiesAxis
1547 Contingent liabilities [member] Member ifrs-full:ContingentLiabilitiesMember
1548 Legal proceedings contingent liability [member] Member ifrs-full:LegalProceedingsContingentLiabilityMember
1549 Legal Entity [Axis] Axis dei:LegalEntityAxis
1550 Entity [Domain] Member dei:EntityDomain
1551 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
1552 Estimated financial effect of contingent liabilities Concept (Monetary) As Of ifrs-full:EstimatedFinancialEffectOfContingentLiabilities
1553 128 - Disclosure - Note 33 - Related Parties (Details Textual) Network

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1554 Statement Table [Table] Table

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1555 Classes of contingent liabilities [axis] Axis ifrs-full:ClassesOfContingentLiabilitiesAxis
1556 Contingent liabilities [member] Member ifrs-full:ContingentLiabilitiesMember
1557 Contingent liability arising from termination [member] Member cmcl:ContingentLiabilityArisingFromTerminationMember
1558 Legal Entity [Axis] Axis dei:LegalEntityAxis
1559 Entity [Domain] Member dei:EntityDomain
1560 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
1561 Estimated financial effect of contingent liabilities, determinate number of years for severance pay Concept (Integer) As Of cmcl:EstimatedFinancialEffectOfContingentLiabilitiesDeterminateNumberOfYearsForSeverancePay
1562 Estimated financial effect of contingent liabilities Concept (Monetary) As Of ifrs-full:EstimatedFinancialEffectOfContingentLiabilities
1563 Expense from cash-settled share-based payment transactions including costs included in production costs Concept (Monetary) For Period Debit cmcl:ExpenseFromCashsettledSharebasedPaymentTransactionsIncludingCostsIncludedInProductionCosts
1564 129 - Disclosure - Note 33 - Related Parties - Key Management Personnel and Entities (Details) Network

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1565 Statement Table [Table] Table

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1566 Legal Entity [Axis] Axis dei:LegalEntityAxis
1567 Entity [Domain] Member dei:EntityDomain
1568 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
1569 Key management salaries and bonuses Concept (Monetary) For Period Debit ifrs-full:KeyManagementPersonnelCompensationShorttermEmployeeBenefits
1570 Cash-settled share-based expense* Concept (Monetary) For Period Debit ifrs-full:KeyManagementPersonnelCompensationSharebasedPayment
1571 Concept (Monetary) For Period Debit ifrs-full:KeyManagementPersonnelCompensation
1572 130 - Disclosure - Note 34 - Group Entities (Details Textual) Network

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1573 Statement Table [Table] Table

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1574 Associates [axis] Axis ifrs-full:SignificantInvestmentsInAssociatesAxis
1575 Entity's total for associates [member] Member ifrs-full:EntitysTotalForAssociatesMember
1576 Blanket Mine (1983) (Private) Limited [member] Member cmcl:BlanketMine1983PrivateLimitedMember
1577 Legal Entity [Axis] Axis dei:LegalEntityAxis
1578 Entity [Domain] Member dei:EntityDomain
1579 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
1580 Proportion of ownership interests held by non-controlling interests Concept (Percent) For Period ifrs-full:ProportionOfOwnershipInterestsHeldByNoncontrollingInterests
1581 131 - Disclosure - Note 34 - Group Entities - Subsidiaries of the Company (Details) Network

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1582 Statement Table [Table] Table

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1583 Subsidiaries [axis] Axis ifrs-full:SignificantInvestmentsInSubsidiariesAxis
1584 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
1585 Caledonia Holdings Zimbabwe (Private) Limited [member] Member cmcl:CaledoniaHoldingsZimbabwePrivateLimitedMember
1586 Caledonia Mining Services Limited [member] Member cmcl:CaledoniaMiningServicesLimitedMember
1587 Eersteling Gold Mining Company Limited [member] Member cmcl:EerstelingGoldMiningCompanyLimitedMember
1588 Fintona Investments Proprietary Limited [member] Member cmcl:FintonaInvestmentsProprietaryLimitedMember
1589 Caledonia Mining South Africa Proprietary Limited [member] Member cmcl:CaledoniaMiningSouthAfricaProprietaryLimitedMember
1590 Greenstone Management Services Holdings Limited [member] Member cmcl:GreenstoneManagementServicesHoldingsLimitedMember
1591 Blanket Mine (1983) (Private) Limited [member] Member cmcl:BlanketMine1983PrivateLimitedMember
1592 Blanket Employee Trust Services (Private) Limited (BETS) [member] Member cmcl:BlanketEmployeeTrustServicesPrivateLimitedBetsMember
1593 Segment consolidation items [axis] Axis ifrs-full:SegmentConsolidationItemsAxis
1594 Entity's total for segment consolidation items [member] Member ifrs-full:EntitysTotalForSegmentConsolidationItemsMember
1595 Elimination of intersegment amounts [member] Member ifrs-full:EliminationOfIntersegmentAmountsMember
1596 Legal Entity [Axis] Axis dei:LegalEntityAxis
1597 Entity [Domain] Member dei:EntityDomain
1598 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
1599 Percentage of ownership Concept (Percent) For Period ifrs-full:ProportionOfOwnershipInterestInSubsidiary
1600 Net assets Concept (Monetary) As Of Debit ifrs-full:NetAssetsLiabilities
1601 132 - Disclosure - Note 35 - Operating Segments (Details Textual) Network

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1602 Statement Table [Table] Table

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 cmcl:StatementTable
1603 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
1604 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
1605 Key management personnel of entity or parent [member] Member ifrs-full:KeyManagementPersonnelOfEntityOrParentMember
1606 Major customers [axis] Axis ifrs-full:MajorCustomersAxis
1607 Customers [member] Member ifrs-full:MajorCustomersMember
1608 Fidelity Printers [member] Member cmcl:FidelityPrintersMember
1609 Legal Entity [Axis] Axis dei:LegalEntityAxis
1610 Entity [Domain] Member dei:EntityDomain
1611 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
1612 Amounts receivable, related party transactions Concept (Monetary) As Of Debit ifrs-full:AmountsReceivableRelatedPartyTransactions
1613 Total revenue Concept (Monetary) For Period Credit ifrs-full:Revenue
1614 133 - Disclosure - Note 35 - Operating Segments - Financial Statements (Details) Network

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1615 Statement Table [Table] Table

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 cmcl:StatementTable
1616 Segments [axis] Axis ifrs-full:SegmentsAxis
1617 Segments [member] Member ifrs-full:SegmentsMember
1618 Zimbabwean operations [member] Member cmcl:ZimbabweanOperationsMember
1619 South African operations [member] Member cmcl:SouthAfricanOperationsMember
1620 Segment consolidation items [axis] Axis ifrs-full:SegmentConsolidationItemsAxis
1621 Entity's total for segment consolidation items [member] Member ifrs-full:EntitysTotalForSegmentConsolidationItemsMember
1622 Elimination of intersegment amounts [member] Member ifrs-full:EliminationOfIntersegmentAmountsMember
1623 Corporate and other reconciling amounts [member] Member cmcl:CorporateAndOtherReconcilingAmountsMember
1624 Legal Entity [Axis] Axis dei:LegalEntityAxis
1625 Entity [Domain] Member dei:EntityDomain
1626 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
1627 Revenue Concept (Monetary) For Period Credit ifrs-full:Revenue
1628 Royalties Concept (Monetary) For Period Debit ifrs-full:RoyaltyExpense
1629 Production costs Concept (Monetary) For Period Debit ifrs-full:CostOfSales
1630 Depreciation Concept (Monetary) For Period Debit ifrs-full:DepreciationExpense
1631 Management fee* Concept (Monetary) For Period Debit cmcl:MangementFee
1632 Other income Concept (Monetary) For Period Credit ifrs-full:OtherIncome
1633 Other expenses Concept (Monetary) For Period Debit ifrs-full:OtherExpenseByNature
1634 Administrative expenses Concept (Monetary) For Period Debit ifrs-full:AdministrativeExpense
1635 Cash-settled share-based payment expense Concept (Monetary) For Period Debit ifrs-full:ExpenseFromCashsettledSharebasedPaymentTransactionsInWhichGoodsOrServicesReceivedDidNotQualifyForRecognitionAsAssets
1636 Equity-settled share-based payment expense Concept (Monetary) For Period Debit ifrs-full:ExpenseFromEquitysettledSharebasedPaymentTransactionsInWhichGoodsOrServicesReceivedDidNotQualifyForRecognitionAsAssets
1637 Net Foreign exchange gain/(loss) Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss
1638 Net finance cost Concept (Monetary) For Period Credit ifrs-full:FinanceIncomeCost
1639 Margin call on hedge Concept (Monetary) For Period Credit ifrs-full:HedgingGainsLossesForHedgeOfGroupOfItemsWithOffsettingRiskPositions
1640 Profit before tax Concept (Monetary) For Period Credit ifrs-full:ProfitLossBeforeTax
1641 Tax expense Concept (Monetary) For Period Debit ifrs-full:IncomeTaxExpenseContinuingOperations
1642 Profit for the year Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
1643 Current (excluding intercompany) Concept (Monetary) As Of Debit ifrs-full:CurrentAssets
1644 Non-current (excluding intercompany) Concept (Monetary) As Of Debit ifrs-full:NoncurrentAssets
1645 Additions other than through business combinations, property, plant and equipment Concept (Monetary) For Period Debit ifrs-full:AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment
1646 Intercompany balances Concept (Monetary) As Of Debit cmcl:IntercompanyAssetsBalances
1647 Assets held for sale Concept (Monetary) As Of Debit ifrs-full:NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners
1648 Current (excluding intercompany) Concept (Monetary) As Of Credit ifrs-full:CurrentLiabilities
1649 Non-current (excluding intercompany) Concept (Monetary) As Of Credit ifrs-full:NoncurrentLiabilities
1650 Intercompany balances Concept (Monetary) As Of Credit cmcl:IntercompanyLiabilitiesBalances
1651 Liabilities directly associated with assets held for sale Concept (Monetary) As Of Credit ifrs-full:LiabilitiesIncludedInDisposalGroupsClassifiedAsHeldForSale
1652 Inter-segmental revenue Concept (Monetary) For Period Credit cmcl:IntersegmentalRevenue
1653 Impairment loss on trade receivables Concept (Monetary) For Period Debit ifrs-full:ImpairmentLossRecognisedInProfitOrLossTradeReceivables
1654 Net Foreign exchange gain Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss
1655 Cash-settled share-based payment expense Concept (Monetary) For Period Debit ifrs-full:ExpenseFromCashsettledSharebasedPaymentTransactionsInWhichGoodsOrServicesReceivedDidNotQualifyForRecognitionAsAssets
1656 Sale of Blanket Mine treasury Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnDisposalsOfInvestments
1657 134 - Disclosure - Note 36 - Non-controlling Interests (Details Textual) Network

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1658 Statement Table [Table] Table

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 cmcl:StatementTable
1659 Legal Entity [Axis] Axis dei:LegalEntityAxis
1660 Entity [Domain] Member dei:EntityDomain
1661 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
1662 Percentage of net assets recognised as NCI Concept (Percent) As Of cmcl:PercentageOfNetAssetsRecognisedAsNCI
1663 135 - Disclosure - Note 36 - Non-controlling Interests - Schedule of Non-controlling Interests (Details) Network

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1664 Statement Table [Table] Table

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1665 Associates [axis] Axis ifrs-full:SignificantInvestmentsInAssociatesAxis
1666 Entity's total for associates [member] Member ifrs-full:EntitysTotalForAssociatesMember
1667 Blanket Mine (1983) (Private) Limited [member] Member cmcl:BlanketMine1983PrivateLimitedMember
1668 Legal Entity [Axis] Axis dei:LegalEntityAxis
1669 Entity [Domain] Member dei:EntityDomain
1670 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
1671 Current assets Concept (Monetary) As Of Debit ifrs-full:CurrentAssets
1672 Non-current assets Concept (Monetary) As Of Debit ifrs-full:NoncurrentAssets
1673 Current liabilities Concept (Monetary) As Of Credit ifrs-full:CurrentLiabilities
1674 Non-current liabilities Concept (Monetary) As Of Credit ifrs-full:NoncurrentLiabilities
1675 Net assets Concept (Monetary) As Of Debit ifrs-full:NetAssetsLiabilities
1676 Non-controlling interests Concept (Monetary) As Of Credit ifrs-full:NoncontrollingInterests
1677 Revenue Concept (Monetary) For Period Credit ifrs-full:Revenue
1678 Profit after tax Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
1679 Total comprehensive income Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncome
1680 Profit allocated to NCI Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToNoncontrollingInterests
1681 Dividend to NCI Concept (Monetary) For Period Credit ifrs-full:DividendsPaidToNoncontrollingInterests
1682 136 - Disclosure - Note 37 - Defined Contribution Plan (Details Textual) Network

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1683 Statement Table [Table] Table

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1684 Geographical areas [axis] Axis ifrs-full:GeographicalAreasAxis
1685 Geographical areas [member] Member ifrs-full:GeographicalAreasMember
1686 Zimbabwean operations [member] Member cmcl:ZimbabweanOperationsMember
1687 Legal Entity [Axis] Axis dei:LegalEntityAxis
1688 Entity [Domain] Member dei:EntityDomain
1689 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
1690 Post-employment benefit expense, defined contribution plans Concept (Monetary) For Period Debit ifrs-full:PostemploymentBenefitExpenseDefinedContributionPlans
1691 137 - Disclosure - Note 38 - Subsequent events (Details Textual) Network

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1692 Statement Table [Table] Table

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1693 Types of share-based payment arrangements [axis] Axis ifrs-full:TypesOfSharebasedPaymentArrangementsAxis
1694 Share-based payment arrangements [member] Member ifrs-full:SharebasedPaymentArrangementsMember
1695 Performance share units (PSUs) [member] Member cmcl:PerformanceShareUnitsPsusMember
1696 Restricted stock units (RSUs) [member] Member cmcl:RestrictedStockUnitsRsusMember
1697 Non-adjusting events after reporting period [axis] Axis ifrs-full:NonadjustingEventsAfterReportingPeriodAxis
1698 Non-adjusting events after reporting period [member] Member ifrs-full:NonadjustingEventsMember
1699 RSU and PSU settlement and new grants [member] Member cmcl:RsuAndPsuSettlementAndNewGrantsMember
1700 Gold hedge [member] Member cmcl:GoldHedgeMember
1701 Sales agreement with Eersteling Gold Mining Company Limited [member] Member cmcl:SalesAgreementWithEerstelingGoldMiningCompanyLimitedMember
1702 Hedging instruments [axis] Axis ifrs-full:HedgingInstrumentsAxis
1703 Hedging instruments [member] Member ifrs-full:HedgingInstrumentsMember
1704 Derivative contract for 4,500 ounces of Gold [member] Member cmcl:DerivativeContractFor4500OuncesOfGoldMember
1705 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
1706 Risks [member] Member ifrs-full:TypesOfRisksMember
1707 Commodity price risk [member] Member ifrs-full:CommodityPriceRiskMember
1708 Counterparties [axis] Axis ifrs-full:CounterpartiesAxis
1709 Counterparties [member] Member ifrs-full:CounterpartiesMember
1710 Femiro [Member] Member cmcl:FemiroMember
1711 SH Minerals [member] Member cmcl:ShMineralsMember
1712 Borrowings by name [axis] Axis ifrs-full:BorrowingsByNameAxis
1713 Borrowings by name [member] Member ifrs-full:BorrowingsByNameMember
1714 Facilitation loan [member] Member cmcl:FacilitationLoanMember
1715 Subsidiaries [axis] Axis ifrs-full:SignificantInvestmentsInSubsidiariesAxis
1716 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
1717 Blanket Mine (1983) (Private) Limited [member] Member cmcl:BlanketMine1983PrivateLimitedMember
1718 Legal Entity [Axis] Axis dei:LegalEntityAxis
1719 Entity [Domain] Member dei:EntityDomain
1720 Statement Line Items [Line Items] LineItems cmcl:StatementLineItems
1721 Number of other equity instruments exercised or vested in share-based payment arrangement Concept (Decimal) For Period ifrs-full:NumberOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement
1722 Number of shares issued to settled share-based payments arrangement Concept (Shares) For Period cmcl:NumberOfSharesIssuedToSettledSharebasedPaymentsArrangement
1723 Payments to settled share-based payments arrangement Concept (Monetary) For Period Credit cmcl:PaymentsToSettledSharebasedPaymentsArrangement
1724 Number of other equity instruments granted in share-based payment arrangement Concept (Decimal) For Period ifrs-full:NumberOfInstrumentsOtherEquityInstrumentsGranted
1725 Vesting period of other equity instruments Concept (Decimal) For Period cmcl:VestingPeriodOfOtherEquityInstruments
1726 Derivative contract, number of ounces of gold hedged Concept (Decimal) As Of cmcl:DerivativeContractNumberOfOuncesOfGoldHedged
1727 Hedging instruments, protected, price Concept (Monetary) For Period cmcl:HedgingInstrumentsProtectedPrice
1728 Proportion of ownership interest acquired Concept (Percent) For Period cmcl:ProportionOfOwnershipInterestAcquired
1729 Number of instruments or interests issued or issuable for cancellation of loan Concept (Shares) For Period cmcl:NumberOfInstrumentsOrInterestsIssuedOrIssuableForCancellationOfLoan
1730 Shares issued or issuable, price per share Concept (Decimal) For Period cmcl:SharesIssuedOrIssuablePricePerShare
1731 Total borrowings Concept (Monetary) As Of Credit ifrs-full:Borrowings
1732 Proportion of ownership interest in subsidiary Concept (Percent) For Period ifrs-full:ProportionOfOwnershipInterestInSubsidiary
1733 Share sale agreement, amendment, purchase price Concept (Monetary) As Of Debit cmcl:ShareSaleAgreementAmendmentPurchasePrice
1734 Share sale agreement, amendment, amount of each payment Concept (Monetary) For Period Debit cmcl:ShareSaleAgreementAmendmentAmountOfEachPayment
1735 Share sale agreement, amendment, amount of payment, received Concept (Monetary) For Period Debit cmcl:ShareSaleAgreementAmendmentAmountOfPaymentReceived

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