Cronos Group Inc. (SEC Filing Page | XBRL Cloud Viewer | XBRL Instance)

Line Label Object Class Period Type Balance Report ElementName
1 100000 - Document - Document and Entity Information Network

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http://thecronosgroup.com/20181231/taxonomy/role/DocumentDocumentAndEntityInformation
2 Implied Table Table

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3 Document And Entity Information [Abstract] Abstract cron:DocumentAndEntityInformationAbstract
4 Document Type Concept (Submission Type) For Period dei:DocumentType
5 Amendment Flag Concept (Yes/No) For Period dei:AmendmentFlag
6 Document Period End Date Concept (Date) For Period dei:DocumentPeriodEndDate
7 Document Fiscal Year Focus Concept (Year) For Period dei:DocumentFiscalYearFocus
8 Document Fiscal Period Focus Concept (Fiscal Period) For Period dei:DocumentFiscalPeriodFocus
9 Trading Symbol Concept (Text/String) For Period dei:TradingSymbol
10 Entity Registrant Name Concept (Text/String) For Period dei:EntityRegistrantName
11 Entity Central Index Key Concept (CIK Number) For Period dei:EntityCentralIndexKey
12 Current Fiscal Year End Date Concept (Month/Day) For Period dei:CurrentFiscalYearEndDate
13 Entity Current Reporting Status Concept (Yes/No) For Period dei:EntityCurrentReportingStatus
14 Entity Filer Category Concept (Filer Category) For Period dei:EntityFilerCategory
15 Entity Common Stock, Shares Outstanding Concept (Shares) As Of dei:EntityCommonStockSharesOutstanding
16 100010 - Statement - Consolidated Statements of Financial Position Network

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http://thecronosgroup.com/20181231/taxonomy/role/StatementConsolidatedStatementsOfFinancialPosition
17 Implied Table Table

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18 Statement Of Financial Position [Abstract] Abstract ifrs-full:StatementOfFinancialPositionAbstract
19 Assets Abstract ifrs-full:AssetsAbstract
20 Current assets Abstract ifrs-full:CurrentAssetsAbstract
21 Cash Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
22 Accounts receivable Concept (Monetary) As Of Debit ifrs-full:CurrentTradeReceivables
23 Sales taxes receivable Concept (Monetary) As Of Debit ifrs-full:CurrentReceivablesFromTaxesOtherThanIncomeTax
24 Prepaids and other receivables Concept (Monetary) As Of Debit ifrs-full:CurrentPrepaymentsAndOtherCurrentAssets
25 Biological assets Concept (Monetary) As Of Debit ifrs-full:CurrentBiologicalAssets
26 Inventory Concept (Monetary) As Of Debit ifrs-full:Inventories
27 Loan receivable Concept (Monetary) As Of Debit ifrs-full:CurrentLoansAndReceivables
28 Total current assets Concept (Monetary) As Of Debit ifrs-full:CurrentAssets
29 Advances to joint ventures Concept (Monetary) As Of Debit cron:AdvancesToJointVentures
30 Investments in equity accounted investees Concept (Monetary) As Of Debit ifrs-full:InvestmentAccountedForUsingEquityMethod
31 Other investments Concept (Monetary) As Of Debit ifrs-full:NoncurrentInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod
32 Property, plant and equipment Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipment
33 Intangible assets Concept (Monetary) As Of Debit ifrs-full:IntangibleAssetsOtherThanGoodwill
34 Goodwill Concept (Monetary) As Of Debit ifrs-full:Goodwill
35 Total assets Concept (Monetary) As Of Debit ifrs-full:Assets
36 Liabilities Abstract ifrs-full:LiabilitiesAbstract
37 Current liabilities Abstract ifrs-full:CurrentLiabilitiesAbstract
38 Accounts payable and other liabilities Concept (Monetary) As Of Credit ifrs-full:TradeAndOtherCurrentPayables
39 Holdbacks payable Concept (Monetary) As Of Credit cron:HoldbacksPayableCurrent
40 Government remittances payable Concept (Monetary) As Of Credit ifrs-full:CurrentPayablesOnSocialSecurityAndTaxesOtherThanIncomeTax
41 Construction loan payable Concept (Monetary) As Of Credit ifrs-full:CurrentLoansReceivedAndCurrentPortionOfNoncurrentLoansReceived
42 Total current liabilities Concept (Monetary) As Of Credit ifrs-full:CurrentLiabilities
43 Construction loan payable Concept (Monetary) As Of Credit ifrs-full:NoncurrentPortionOfNoncurrentLoansReceived
44 Due to non-controlling interests Concept (Monetary) As Of Credit cron:DueToNonControllingInterests
45 Deferred income tax liability Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilities
46 Total liabilities Concept (Monetary) As Of Credit ifrs-full:Liabilities
47 Shareholders' equity Abstract ifrs-full:EquityAbstract
48 Share capital Concept (Monetary) As Of Credit ifrs-full:IssuedCapital
49 Warrants Concept (Monetary) As Of Credit cron:Warrants
50 Stock options Concept (Monetary) As Of Credit ifrs-full:ReserveOfSharebasedPayments
51 Accumulated deficit Concept (Monetary) As Of Credit ifrs-full:RetainedEarnings
52 Accumulated other comprehensive income Concept (Monetary) As Of Credit ifrs-full:AccumulatedOtherComprehensiveIncome
53 Total equity attributable to shareholders of Cronos Group Concept (Monetary) As Of Credit ifrs-full:EquityAttributableToOwnersOfParent
54 Non-controlling interests Concept (Monetary) As Of Credit ifrs-full:NoncontrollingInterests
55 Total shareholders' equity Concept (Monetary) As Of Credit ifrs-full:Equity
56 Total liabilities and shareholders' equity Concept (Monetary) As Of Credit ifrs-full:EquityAndLiabilities
57 Commitments and contingencies Concept (Monetary) As Of cron:Contingencies
58 Subsequent events Concept (Monetary) As Of cron:SubsequentEvents
59 100020 - Statement - Consolidated Statements of Operations and Comprehensive Income (Loss) Network

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http://thecronosgroup.com/20181231/taxonomy/role/StatementConsolidatedStatementsOfOperationsAndComprehensiveIncomeLoss
60 Implied Table Table

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61 Income Statement [Abstract] Abstract ifrs-full:IncomeStatementAbstract
62 Gross revenue Concept (Monetary) For Period Credit cron:RevenueGross
63 Excise taxes Concept (Monetary) For Period Debit ifrs-full:TaxExpenseOtherThanIncomeTaxExpense
64 Net revenue Concept (Monetary) For Period Credit ifrs-full:Revenue
65 Cost of sales Concept (Monetary) For Period Debit ifrs-full:CostOfSales
66 Cost of sales before fair value adjustments Concept (Monetary) For Period Debit cron:CostOfSalesBeforeFairValueAdjustments
67 Gross profit before fair value adjustments Concept (Monetary) For Period Credit cron:GrossProfitLossBeforeFairValueAdjustments
68 Fair value adjustments Abstract cron:FairValueAdjustmentsAbstract
69 Unrealized change in fair value of biological assets Concept (Monetary) For Period ifrs-full:GainsLossesOnFairValueAdjustmentBiologicalAssets
70 Realized fair value adjustments on inventory sold in the year Concept (Monetary) For Period Credit cron:RealizedFairValueAdjustmentsOnInventorySold
71 Total fair value adjustments Concept (Monetary) For Period Credit cron:GainsLossesOnFairValueAdjustments
72 Gross profit Concept (Monetary) For Period Credit ifrs-full:GrossProfit
73 Operating expenses Abstract ifrs-full:ExpenseByNatureAbstract
74 Sales and marketing Concept (Monetary) For Period Debit ifrs-full:SalesAndMarketingExpense
75 Research and development Concept (Monetary) For Period Debit ifrs-full:ResearchAndDevelopmentExpense
76 General and administrative Concept (Monetary) For Period Debit ifrs-full:GeneralAndAdministrativeExpense
77 Share-based payments Concept (Monetary) For Period Debit cron:ExpenseFromShareBasedPaymentTransactionsWithEmployeesAndNonemployees
78 Depreciation and amortization Concept (Monetary) For Period Debit ifrs-full:DepreciationAndAmortisationExpense
79 Total operating expenses Concept (Monetary) For Period Debit ifrs-full:OperatingExpenseExcludingCostOfSales
80 Operating loss Concept (Monetary) For Period Credit ifrs-full:ProfitLossFromOperatingActivities
81 Other income (expense) Abstract cron:OtherIncomeExpenseAbstract
82 Interest income (expense) Concept (Monetary) For Period Credit ifrs-full:InterestRevenueExpense
83 Share of income (loss) from investments in equity accounted investees Concept (Monetary) For Period Credit ifrs-full:ShareOfProfitLossOfContinuingOperationsOfAssociatesAndJointVenturesAccountedForUsingEquityMethod
84 Gain on other investments Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnDisposalsOfInvestments
85 Total other income (expense) Concept (Monetary) For Period Credit cron:OtherIncomeExpense
86 Income (loss) before income taxes Concept (Monetary) For Period Credit ifrs-full:ProfitLossBeforeTax
87 Income tax expense Concept (Monetary) For Period Debit ifrs-full:IncomeTaxExpenseContinuingOperations
88 Net income (loss) Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
89 Net income (loss) attributable to: Abstract ifrs-full:ProfitLossAttributableToAbstract
90 Cronos Group Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToOwnersOfParent
91 Non-controlling interests Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToNoncontrollingInterests
92 Net income (loss) Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
93 Other comprehensive income (loss) Abstract ifrs-full:OtherComprehensiveIncomeAbstract
94 Gain on revaluation and disposal of other investments, net of tax Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeNetOfTaxGainsLossesOnRevaluation
95 Foreign exchange gain on translation of foreign operations Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnExchangeDifferencesOnTranslationNetOfTax
96 Unrealized gains reclassified to net income Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughTransferBetweenRevaluationReserveAndRetainedEarnings
97 Total other comprehensive income (loss) Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncome
98 Comprehensive income (loss) Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncome
99 Comprehensive income (loss) attributable to: Abstract ifrs-full:ComprehensiveIncomeAttributableToAbstract
100 Cronos Group Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncomeAttributableToOwnersOfParent
101 Non-controlling interests Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncomeAttributableToNoncontrollingInterests
102 Comprehensive income (loss) Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncome
103 Net income (loss) per share Abstract ifrs-full:EarningsPerShareAbstract
104 Basic Concept (Share) For Period ifrs-full:BasicEarningsLossPerShare
105 Diluted Concept (Share) For Period ifrs-full:DilutedEarningsLossPerShare
106 Weighted average number of outstanding shares Abstract ifrs-full:WeightedAverageSharesAndAdjustedWeightedAverageSharesAbstract
107 Basic Concept (Shares) For Period ifrs-full:WeightedAverageShares
108 Diluted Concept (Shares) For Period ifrs-full:AdjustedWeightedAverageShares
109 100040 - Statement - Consolidated Statements of Changes in Equity Network

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http://thecronosgroup.com/20181231/taxonomy/role/StatementConsolidatedStatementsOfChangesInEquity
110 Statement Of Changes In Equity [Table] Table

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ifrs-full:StatementOfChangesInEquityTable
111 Components of equity [axis] Axis ifrs-full:ComponentsOfEquityAxis
112 Equity [member] Member ifrs-full:EquityMember
113 Issued capital [member] Member ifrs-full:IssuedCapitalMember
114 Warrants [member] Member cron:ShareWarrantsMember
115 Stock options [member] Member ifrs-full:SharePremiumMember
116 Accumulated deficit [member] Member ifrs-full:RetainedEarningsMember
117 Accumulated other comprehensive income [member] Member ifrs-full:AccumulatedOtherComprehensiveIncomeMember
118 Non-controlling interests [member] Member ifrs-full:NoncontrollingInterestsMember
119 Statement Of Changes In Equity [Line Items] LineItems ifrs-full:StatementOfChangesInEquityLineItems
120 Balance Concept (Monetary) As Of Credit ifrs-full:Equity
121 Balance, shares Concept (Shares) As Of ifrs-full:NumberOfSharesOutstanding
122 Shares issued Concept (Monetary) For Period Credit ifrs-full:IssueOfEquity
123 Shares issued, shares Concept (Shares) For Period ifrs-full:IncreaseDecreaseInNumberOfOrdinarySharesIssued
124 Share issuance costs Concept (Monetary) For Period Debit ifrs-full:ShareIssueRelatedCost
125 Vesting of options Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughSharebasedPaymentTransactions
126 Options exercised Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughExerciseOfOptions
127 Options exercised, shares Concept (Decimal) For Period ifrs-full:NumberOfShareOptionsExercisedInSharebasedPaymentArrangement
128 Warrants exercised Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughExerciseOfWarrantsEquity
129 Warrants exercised, shares Concept (Decimal) For Period cron:NumberOfWarrantsExercisedResultingInTheIssuanceOfOrdinaryShares
130 Share appreciation rights exercised Concept (Monetary) For Period Credit cron:IncreaseDecreaseThroughShareAppreciationRights
131 Share appreciation rights exercised, shares Concept (Shares) For Period cron:ExercisedShareAppreciationRights
132 Contribution by non-controlling interests Concept (Monetary) For Period Debit cron:NonControllingInterestContributions
133 Net income (loss) Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
134 Other comprehensive income (loss) Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncome
135 Balance Concept (Monetary) As Of Credit ifrs-full:Equity
136 Balance, shares Concept (Shares) As Of ifrs-full:NumberOfSharesOutstanding
137 100050 - Statement - Consolidated Statements of Cash Flows Network

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http://thecronosgroup.com/20181231/taxonomy/role/StatementConsolidatedStatementsOfCashFlows
138 Implied Table Table

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139 Statement Of Cash Flows [Abstract] Abstract ifrs-full:StatementOfCashFlowsAbstract
140 Operating activities Abstract ifrs-full:CashFlowsFromUsedInOperatingActivitiesAbstract
141 Net income (loss) Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
142 Items not affecting cash: Abstract ifrs-full:AdjustmentsForReconcileProfitLossAbstract
143 Unrealized change in fair value of biological assets Concept (Monetary) For Period ifrs-full:GainsLossesOnFairValueAdjustmentBiologicalAssets
144 Realized fair value adjustments on inventory sold in the year Concept (Monetary) For Period Credit cron:RealizedFairValueAdjustmentsOnInventorySold
145 Share-based payments Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForSharebasedPayments
146 Depreciation and amortization Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForDepreciationAndAmortisationExpense
147 Share of loss (income) from investments in equity accounted investees Concept (Monetary) For Period Credit ifrs-full:ShareOfProfitLossOfAssociatesAccountedForUsingEquityMethod
148 Gain on other investments Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForLossesGainsOnDisposalOfNoncurrentAssets
149 Deferred income tax expense Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForDeferredTaxExpense
150 Foreign exchange gain Concept (Monetary) For Period Credit ifrs-full:NetForeignExchangeGain
151 Net changes in non-cash working capital Concept (Monetary) For Period Debit cron:AdjustmentsForDecreaseIncreaseInNoncashWorkingCapitalToReconcileProfitLoss
152 Cash flows used in operating activities Concept (Monetary) For Period ifrs-full:CashFlowsFromUsedInOperatingActivities
153 Investing activities Abstract ifrs-full:CashFlowsFromUsedInInvestingActivitiesAbstract
154 Repayment of purchase price liability Concept (Monetary) For Period Credit cron:PaymentOfContingentConsiderationLiabilities
155 Investments in equity accounted investees Concept (Monetary) For Period Credit ifrs-full:PurchaseOfInterestsInInvestmentsAccountedForUsingEquityMethod
156 Investment in ABcann Global Corporation Concept (Monetary) For Period Credit ifrs-full:PurchaseOfInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod
157 Proceeds from sale of other investments Concept (Monetary) For Period Debit ifrs-full:ProceedsFromSalesOfInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod
158 Payment to exercise ABcann Global Corporation warrants Concept (Monetary) For Period Credit cron:CashOutflowFromTheExerciseOfWarrants
159 Advances to joint ventures Concept (Monetary) For Period Credit ifrs-full:CashAdvancesAndLoansMadeToRelatedParties
160 Purchase of property, plant and equipment Concept (Monetary) For Period Credit ifrs-full:PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities
161 Purchase of intangible assets Concept (Monetary) For Period Credit ifrs-full:PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities
162 Cash flows used in investing activities Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromUsedInInvestingActivities
163 Financing activities Abstract ifrs-full:CashFlowsFromUsedInFinancingActivitiesAbstract
164 Proceeds from exercise of warrants Concept (Monetary) For Period Debit cron:ProceedsFromExerciseOfWarrants
165 Payments from share appreciation rights Concept (Monetary) For Period Credit ifrs-full:PaymentsOfOtherEquityInstruments
166 Proceeds from exercise of options Concept (Monetary) For Period Debit ifrs-full:ProceedsFromExerciseOfOptions
167 Proceeds from share issuance Concept (Monetary) For Period Debit ifrs-full:ProceedsFromIssuingShares
168 Share issuance costs Concept (Monetary) For Period Credit ifrs-full:PaymentsForShareIssueCosts
169 Proceeds from construction loan payable Concept (Monetary) For Period Debit ifrs-full:ProceedsFromNoncurrentBorrowings
170 Payment of accrued interest on construction loan payable Concept (Monetary) For Period Credit ifrs-full:InterestPaidClassifiedAsFinancingActivities
171 Repayment of mortgage payable Concept (Monetary) For Period Credit ifrs-full:RepaymentsOfCurrentBorrowings
172 Transaction costs paid on construction loan payable Concept (Monetary) For Period Credit ifrs-full:PaymentsForDebtIssueCosts
173 Cash flows provided by financing activities Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromUsedInFinancingActivities
174 Net change in cash Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseInCashAndCashEquivalents
175 Cash - beginning of year Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
176 Cash - end of year Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
177 Supplemental cash flow information Abstract cron:DisclosureSupplementalCashFlowInformationAbstract
178 Interest paid Concept (Monetary) For Period Credit cron:InterestPaid1
179 Interest received Concept (Monetary) For Period Debit cron:InterestReceived
180 100060 - Disclosure - Nature of business Network

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http://thecronosgroup.com/20181231/taxonomy/role/DisclosureNatureOfBusiness
181 Implied Table Table

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182 Text Block1 [Abstract] Abstract cron:TextBlock1Abstract
183 Nature of business Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfGeneralInformationAboutFinancialStatementsExplanatory
184 100070 - Disclosure - Basis of presentation Network

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http://thecronosgroup.com/20181231/taxonomy/role/DisclosureBasisOfPresentation
185 Implied Table Table

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186 Disclosure Of Basis Of Presentation [Abstract] Abstract cron:DisclosureOfBasisOfPresentationAbstract
187 Basis of presentation Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory
188 100080 - Disclosure - Significant accounting policies Network

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http://thecronosgroup.com/20181231/taxonomy/role/DisclosureSignificantAccountingPolicies
189 Implied Table Table

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190 Text Block1 [Abstract] Abstract cron:TextBlock1Abstract
191 Significant accounting policies Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfSummaryOfSignificantAccountingPoliciesExplanatory
192 100090 - Disclosure - Adoption of new accounting pronouncements Network

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http://thecronosgroup.com/20181231/taxonomy/role/DisclosureAdoptionOfNewAccountingPronouncements
193 Implied Table Table

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194 Disclosure Of Initial Application Of Standards Or Interpretations [Abstract] Abstract ifrs-full:DisclosureOfInitialApplicationOfStandardsOrInterpretationsAbstract
195 Adoption of new accounting pronouncements Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfInitialApplicationOfStandardsOrInterpretations
196 100100 - Disclosure - New and revised standards and interpretations issued but not yet effective Network

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197 Implied Table Table

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198 Description Of Expected Impact Of Initial Application Of New Standards Or Interpretations [Abstract] Abstract ifrs-full:DescriptionOfExpectedImpactOfInitialApplicationOfNewStandardsOrInterpretationsAbstract
199 New and revised standards and interpretations issued but not yet effective Concept (Text Block (HTML)) For Period cron:DisclosureOfExpectedImpactOfInitialApplicationOfNewStandardsOrInterpretationsExplanatory
200 100110 - Disclosure - Accounting Changes Network

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http://thecronosgroup.com/20181231/taxonomy/role/DisclosureAccountingChanges
201 Implied Table Table

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202 Disclosure Of Voluntary Change In Accounting Policy [Abstract] Abstract ifrs-full:DisclosureOfVoluntaryChangeInAccountingPolicyAbstract
203 Accounting Changes Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfChangesInAccountingPoliciesAccountingEstimatesAndErrorsExplanatory
204 100120 - Disclosure - Biological assets and inventory Network

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http://thecronosgroup.com/20181231/taxonomy/role/DisclosureBiologicalAssetsAndInventory
205 Implied Table Table

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206 Text Block1 [Abstract] Abstract cron:TextBlock1Abstract
207 Biological assets and inventory Concept (Text Block (HTML)) For Period cron:DisclosureForBiologicalAssetsAgriculturalProduceAtPointOfHarvestAndInventoryExplanatory
208 100130 - Disclosure - Loan receivable Network

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http://thecronosgroup.com/20181231/taxonomy/role/DisclosureLoanReceivable
209 Implied Table Table

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210 Text Block1 [Abstract] Abstract cron:TextBlock1Abstract
211 Loan receivable Concept (Text Block (HTML)) For Period cron:DisclosureOfLoansReceivableExplanatory
212 100140 - Disclosure - Advances to joint ventures Network

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http://thecronosgroup.com/20181231/taxonomy/role/DisclosureAdvancesToJointVentures
213 Implied Table Table

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214 Disclosure Of Transactions Between Related Parties [Abstract] Abstract ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesAbstract
215 Advances to joint ventures Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfRelatedPartyExplanatory
216 100150 - Disclosure - Investments in equity accounted investees Network

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http://thecronosgroup.com/20181231/taxonomy/role/DisclosureInvestmentsInEquityAccountedInvestees
217 Implied Table Table

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218 Disclosure Of Significant Investments In Associates And Joint Ventures [Abstract] Abstract cron:DisclosureOfSignificantInvestmentsInAssociatesAndJointVenturesAbstract
219 Investments in equity accounted investees Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfInvestmentsAccountedForUsingEquityMethodExplanatory
220 100160 - Disclosure - Other investments Network

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http://thecronosgroup.com/20181231/taxonomy/role/DisclosureOtherInvestments
221 Implied Table Table

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222 Text Block1 [Abstract] Abstract cron:TextBlock1Abstract
223 Other investments Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethodExplanatory
224 100170 - Disclosure - Property, plant and equipment Network

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http://thecronosgroup.com/20181231/taxonomy/role/DisclosurePropertyPlantAndEquipment
225 Implied Table Table

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226 Disclosure Of Property Plant And Equipment [Abstract] Abstract ifrs-full:DisclosureOfPropertyPlantAndEquipmentAbstract
227 Property, plant and equipment Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfPropertyPlantAndEquipmentExplanatory
228 100180 - Disclosure - Intangible assets and goodwill Network

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http://thecronosgroup.com/20181231/taxonomy/role/DisclosureIntangibleAssetsAndGoodwill
229 Implied Table Table

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230 Disclosure Of Reconciliation Of Changes In Intangible Assets And Goodwill [Abstract] Abstract ifrs-full:DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillAbstract
231 Intangible assets and goodwill Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfIntangibleAssetsAndGoodwillExplanatory
232 100190 - Disclosure - Subsidiaries with non-controlling interests Network

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http://thecronosgroup.com/20181231/taxonomy/role/DisclosureSubsidiariesWithNonControllingInterests
233 Implied Table Table

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234 Disclosure Of Significant Investments In Subsidiaries [Abstract] Abstract ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesAbstract
235 Subsidiaries with non-controlling interests Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfNoncontrollingInterestsExplanatory
236 100200 - Disclosure - Construction loan payable Network

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http://thecronosgroup.com/20181231/taxonomy/role/DisclosureConstructionLoanPayable
237 Implied Table Table

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238 Text Block1 [Abstract] Abstract cron:TextBlock1Abstract
239 Construction loan payable Concept (Text Block (HTML)) For Period cron:DisclosureOfConstructionLoanPayableExplanatory
240 100210 - Disclosure - Share capital Network

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http://thecronosgroup.com/20181231/taxonomy/role/DisclosureShareCapital
241 Implied Table Table

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242 Text Block1 [Abstract] Abstract cron:TextBlock1Abstract
243 Share capital Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory
244 100220 - Disclosure - Share-based payments Network

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http://thecronosgroup.com/20181231/taxonomy/role/DisclosureShareBasedPayments
245 Implied Table Table

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246 Disclosure Of Terms And Conditions Of Sharebased Payment Arrangement [Abstract] Abstract ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementAbstract
247 Share-based payments Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfSharebasedPaymentArrangementsExplanatory
248 100230 - Disclosure - Revenue from Contracts with Customers Network

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http://thecronosgroup.com/20181231/taxonomy/role/DisclosureRevenueFromContractsWithCustomers
249 Implied Table Table

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250 Disclosure Of Disaggregation Of Revenue From Contracts With Customers [Abstract] Abstract ifrs-full:DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersAbstract
251 Revenue from contracts with customers Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfRevenueFromContractsWithCustomersExplanatory
252 100240 - Disclosure - Earnings (loss) per share Network

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http://thecronosgroup.com/20181231/taxonomy/role/DisclosureEarningsLossPerShare
253 Implied Table Table

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254 Earnings Per Share [Abstract] Abstract ifrs-full:EarningsPerShareAbstract
255 Earnings (loss) per share Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfEarningsPerShareExplanatory
256 100250 - Disclosure - Related party transactions and balances Network

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http://thecronosgroup.com/20181231/taxonomy/role/DisclosureRelatedPartyTransactionsAndBalances
257 Implied Table Table

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258 Disclosure Of Transactions Between Related Parties [Abstract] Abstract ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesAbstract
259 Related party transactions and balances Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfInformationAboutKeyManagementPersonnelExplanatory
260 100260 - Disclosure - Commitments and contingencies Network

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http://thecronosgroup.com/20181231/taxonomy/role/DisclosureCommitmentsAndContingencies
261 Implied Table Table

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262 Text Block1 [Abstract] Abstract cron:TextBlock1Abstract
263 Commitments and contingencies Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfCommitmentsAndContingentLiabilitiesExplanatory
264 100270 - Disclosure - Income taxes Network

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http://thecronosgroup.com/20181231/taxonomy/role/DisclosureIncomeTaxes
265 Implied Table Table

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266 Text Block1 [Abstract] Abstract cron:TextBlock1Abstract
267 Income taxes Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfIncomeTaxExplanatory
268 100280 - Disclosure - Operating segment information Network

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269 Implied Table Table

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270 Disclosure Of Operating Segments [Abstract] Abstract ifrs-full:DisclosureOfOperatingSegmentsAbstract
271 Operating segment information Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfEntitysReportableSegmentsExplanatory
272 100290 - Disclosure - Supplementary cash flow information Network

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273 Implied Table Table

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274 Text Block1 [Abstract] Abstract cron:TextBlock1Abstract
275 Supplementary cash flow information Concept (Text Block (HTML)) For Period cron:DisclosureOfNoncashWorkingCapitalItemsExplanatory
276 100300 - Disclosure - Financial instruments Network

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277 Implied Table Table

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278 Disclosure Of Financial Instruments [Abstract] Abstract ifrs-full:DisclosureOfFinancialInstrumentsAbstract
279 Financial instruments Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFinancialInstrumentsExplanatory
280 100310 - Disclosure - Fair value hierarchy Network

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281 Implied Table Table

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282 Disclosure Of Fair Value Measurement Of Assets [Abstract] Abstract ifrs-full:DisclosureOfFairValueMeasurementOfAssetsAbstract
283 Fair value hierarchy Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFairValueMeasurementExplanatory
284 100320 - Disclosure - Capital management Network

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285 Implied Table Table

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286 Disclosure Of Objectives Policies And Processes For Managing Capital [Abstract] Abstract ifrs-full:DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalAbstract
287 Capital management Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalExplanatory
288 100330 - Disclosure - Subsequent events Network

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289 Implied Table Table

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290 Disclosure Of Nonadjusting Events After Reporting Period [Abstract] Abstract ifrs-full:DisclosureOfNonadjustingEventsAfterReportingPeriodAbstract
291 Subsequent events Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfEventsAfterReportingPeriodExplanatory
292 100340 - Disclosure - Significant accounting policies (Policies) Network

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293 Implied Table Table

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294 Disclosure Of Summary Of Significant Accounting Policies [Abstract] Abstract cron:DisclosureOfSummaryOfSignificantAccountingPoliciesAbstract
295 Revenue recognition Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForRecognitionOfRevenue
296 Investments in equity accounted investees Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForInvestmentInAssociatesAndJointVenturesExplanatory
297 Biological assets and inventory Concept (Text Block (HTML)) For Period cron:DescriptionOfAccountingPolicyForBiologicalAssetsAndInventory
298 Intangible assets Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForIntangibleAssetsAndGoodwillExplanatory
299 Research and development costs Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForResearchAndDevelopmentExpenseExplanatory
300 Property, plant and equipment Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory
301 Provisions Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForProvisionsExplanatory
302 Share capital Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForIssuedCapitalExplanatory
303 Foreign exchange translation Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory
304 Income taxes Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForIncomeTaxExplanatory
305 Share-based payments Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory
306 Earnings (loss) per share Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForEarningsPerShareExplanatory
307 Financial instruments Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForFinancialInstrumentsExplanatory
308 Business combinations and consolidation Concept (Text Block (HTML)) For Period cron:DescriptionOfAccountingPolicyForBusinessCombination
309 100350 - Disclosure - Basis of presentation (Tables) Network

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310 Implied Table Table

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311 Disclosure Of Basis Of Presentation [Abstract] Abstract cron:DisclosureOfBasisOfPresentationAbstract
312 Summarized Consolidated Financial Statements Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfInterestsInSubsidiariesExplanatory
313 Summary of Company's Investments in Equity Accounted Investees Concept (Text Block (HTML)) For Period cron:DisclosureOfCompanyInvestmentsInEquityAccountedInvesteesExplanatory
314 100360 - Disclosure - Significant accounting policies (Tables) Network

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315 Implied Table Table

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316 Disclosure Of Summary Of Significant Accounting Policies [Abstract] Abstract cron:DisclosureOfSummaryOfSignificantAccountingPoliciesAbstract
317 Summary of Amortization Method and Rate of Estimated Useful Life of Intangible Assets Concept (Text Block (HTML)) For Period cron:DisclosureOfDepreciationMethodForIntangibleAssetsAndUsefulLifeExplanatory
318 Summary of Basis Depreciation of Property, Plant and Equipment Concept (Text Block (HTML)) For Period cron:DisclosureOfDepreciationMethodForPropertyPlantAndEquipmentAndUsefulLifeExplanatory
319 Summary of detailed information about financial instruments Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDetailedInformationAboutFinancialInstrumentsExplanatory
320 100370 - Disclosure - Adoption of new accounting pronouncements (Tables) Network

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321 Implied Table Table

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322 Disclosure Of Initial Application Of Standards Or Interpretations [Abstract] Abstract ifrs-full:DisclosureOfInitialApplicationOfStandardsOrInterpretationsAbstract
323 Summary of Accounting Standard Impact on Financial Instruments Concept (Text Block (HTML)) For Period cron:DisclosureOfAccountingStandardImpactOnFinancialInstrumentsExplanatory
324 100380 - Disclosure - Accounting Changes (Tables) Network

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325 Implied Table Table

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326 Disclosure Of Voluntary Change In Accounting Policy [Abstract] Abstract ifrs-full:DisclosureOfVoluntaryChangeInAccountingPolicyAbstract
327 Summary of Impact on Changes in Accounting Policy Concept (Text Block (HTML)) For Period cron:DisclosureOfImpactOnChangesInAccountingPolicyExplanatory
328 100390 - Disclosure - Biological assets and inventory (Tables) Network

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329 Implied Table Table

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330 Text Block1 [Abstract] Abstract cron:TextBlock1Abstract
331 Schedule of Changes in Carrying Amount of Biological Assets Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfReconciliationOfChangesInBiologicalAssetsExplanatory
332 Schedule of Biological Inventory Concept (Text Block (HTML)) For Period cron:DisclosureOfDetailedInformationAboutInventoriesExplanatory
333 Schedule of Direct and Indirect Costs Related to Biological Assets and Inventory Concept (Text Block (HTML)) For Period cron:DisclosureOfDirectAndIndirectCostsRelatedToBiologicalAssetsAndInventoryExplanatory
334 Sensitivity Analysis of Impact on Fair Value of Biological Assets Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfAssetsExplanatory
335 Schedule of Sensitivity Analysis for Impacts on Value of Assets Concept (Text Block (HTML)) For Period cron:DisclosureOfSensitivityAnalysisForImpactsOnValueOfAssetsExplanatory
336 100400 - Disclosure - Loan receivable (Tables) Network

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337 Implied Table Table

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338 Text Block1 [Abstract] Abstract cron:TextBlock1Abstract
339 Summary of Information for Loan Receivable Concept (Text Block (HTML)) For Period cron:DisclosureOfInformationForLoansReceivableExplanatory
340 100410 - Disclosure - Advances to joint ventures (Tables) Network

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341 Implied Table Table

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342 Disclosure Of Transactions Between Related Parties [Abstract] Abstract ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesAbstract
343 Summary of Advances to Joint Ventures Concept (Text Block (HTML)) For Period cron:DisclosureOfAdvancesToRelatedCorporationsExplanatory
344 100420 - Disclosure - Investments in equity accounted investees (Tables) Network

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345 Implied Table Table

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346 Disclosure Of Significant Investments In Associates And Joint Ventures [Abstract] Abstract cron:DisclosureOfSignificantInvestmentsInAssociatesAndJointVenturesAbstract
347 Summary of Reconciliation of Carrying Amount of Investments in Associates and Joint Ventures Concept (Text Block (HTML)) For Period cron:DisclosureOfReconciliationOfSummarisedFinancialInformationOfAssociatesAndJointVenturesAccountedForUsingEquityMethodToCarryingAmountOfInterestInAssociatesAndJointVenturesExplanatory
348 Summary of Financial Information for Significant Associates and Joint Ventures Concept (Text Block (HTML)) For Period cron:DisclosureOfSummaryOfFinancialInformationForAssociatesAndJointVenturesExplanatory
349 100430 - Disclosure - Other investments (Tables) Network

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350 Implied Table Table

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351 Text Block1 [Abstract] Abstract cron:TextBlock1Abstract
352 Summary of fair value of other investments through other comprehensive income and profit or loss. Concept (Text Block (HTML)) For Period cron:DisclosureOfFairValueOfFairValueThroughProfitOrLossInvestmentsAndFairValueThroughOtherComprehensiveIncomeInvestmentsExplanatory
353 Summary of gains (losses) recognized through profit or loss and through other comprehensive income from changes in fair value and disposals of other investments Concept (Text Block (HTML)) For Period cron:DisclosureOfGainsLossesRecognizedThroughProfitOrLossAndThroughOtherComprehensiveIncomeFromChangesInFairValueAndDisposalsOfOtherInvestmentsExplanatory
354 100440 - Disclosure - Property, plant and equipment (Tables) Network

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355 Implied Table Table

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356 Disclosure Of Property Plant And Equipment [Abstract] Abstract ifrs-full:DisclosureOfPropertyPlantAndEquipmentAbstract
357 Summary of Property Plant and Equipment Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory
358 100450 - Disclosure - Intangible assets and goodwill (Tables) Network

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359 Implied Table Table

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360 Disclosure Of Reconciliation Of Changes In Intangible Assets And Goodwill [Abstract] Abstract ifrs-full:DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillAbstract
361 Schedule of Detailed Information of Intangible Assets Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillExplanatory
362 Summary of Key Assumptions Used in Estimation of Receivable Amounts of CGU Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesExplanatory
363 100460 - Disclosure - Subsidiaries with non-controlling interests (Tables) Network

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364 Disclosure Of Significant Investments In Subsidiaries [Table] Table

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365 Subsidiaries [axis] Axis ifrs-full:SignificantInvestmentsInSubsidiariesAxis
366 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
367 Subsidiaries with non-controlling interests [member] Member ifrs-full:SubsidiariesWithMaterialNoncontrollingInterestsMember
368 Disclosure Of Significant Investments In Subsidiaries [Line Items] LineItems ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesLineItems
369 Summarized Consolidated Financial Statements Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfInterestsInSubsidiariesExplanatory
370 100470 - Disclosure - Construction loan payable (Tables) Network

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371 Implied Table Table

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372 Text Block1 [Abstract] Abstract cron:TextBlock1Abstract
373 Summary of Construction Loan Payable Concept (Text Block (HTML)) For Period cron:DisclosureOfDetailedInformationAboutConstructionLoanPayableExplanatory
374 100480 - Disclosure - Share-based payments (Tables) Network

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375 Implied Table Table

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376 Disclosure Of Terms And Conditions Of Sharebased Payment Arrangement [Abstract] Abstract ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementAbstract
377 Summary of Changes in Warrants Concept (Text Block (HTML)) For Period cron:DisclosureOfDetailInformationAboutChangesInNumberOfWarrantsOutstandingExplanatory
378 Summary of Outstanding Warrants Concept (Text Block (HTML)) For Period cron:DisclosureOfOutstandingWarrantsExplanatory
379 Summary of Changes in Options Concept (Text Block (HTML)) For Period cron:DisclosureOfDetailInformationAboutChangesInNumberOfShareOptionsOutstandingExplanatory
380 Summary of Outstanding and Exercisable Options Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory
381 Summary of Fair Value of Options Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfIndirectMeasurementOfFairValueOfGoodsOrServicesReceivedShareOptionsGrantedDuringPeriodExplanatory
382 100490 - Disclosure - Revenue from Contracts with Customers (Tables) Network

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383 Implied Table Table

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384 Disclosure Of Disaggregation Of Revenue From Contracts With Customers [Abstract] Abstract ifrs-full:DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersAbstract
385 Summary of Disaggregation of Revenue from Contracts with Customers Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersExplanatory
386 100500 - Disclosure - Earnings (loss) per share (Tables) Network

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387 Implied Table Table

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388 Earnings Per Share [Abstract] Abstract ifrs-full:EarningsPerShareAbstract
389 Summary of Basic and Diluted Earnings (loss) per Share Concept (Text Block (HTML)) For Period ifrs-full:EarningsPerShareExplanatory
390 100510 - Disclosure - Related party transactions and balances (Tables) Network

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391 Implied Table Table

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392 Disclosure Of Transactions Between Related Parties [Abstract] Abstract ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesAbstract
393 Summary of Key Management Personnel Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesExplanatory
394 100520 - Disclosure - Commitments and contingencies (Tables) Network

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395 Implied Table Table

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396 Disclosure Of Maturity Analysis Of Operating Lease Payments [Abstract] Abstract ifrs-full:DisclosureOfMaturityAnalysisOfOperatingLeasePaymentsAbstract
397 Summary of Minimum Payments Under Operating Lease Obligations for Its Premises Due in Future Fiscal Years Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfMaturityAnalysisOfOperatingLeasePaymentsExplanatory
398 100530 - Disclosure - Income taxes (Tables) Network

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399 Implied Table Table

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400 Text Block1 [Abstract] Abstract cron:TextBlock1Abstract
401 Components of Tax Provision Concept (Text Block (HTML)) For Period cron:DisclosureOfTaxProvisionRecoveryExplanatory
402 Reconciliation of Combined Canadian Federal and Provincial Statutory Income Tax Rate to Effective Tax Rate Concept (Text Block (HTML)) For Period cron:ReconciliationOfCombinedCanadianFederalAndProvincialStatutoryIncomeTaxRateToEffectiveTaxRateExplanatory
403 Summary of components of deferred tax Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDeferredTaxesExplanatory
404 Summary of changes in net deferred tax liability Concept (Text Block (HTML)) For Period cron:DisclosureOfMovementInNetDeferredTaxLiabilityExplanatory
405 Summary of Net Deferred Tax Asset Not Recognized Concept (Text Block (HTML)) For Period cron:DisclosureOfDeferredTaxAssetsNotRecognizedExplanatory
406 Summary of non-capital losses carried forward from current and prior years Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory
407 100540 - Disclosure - Operating segment information (Tables) Network

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408 Implied Table Table

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409 Disclosure Of Operating Segments [Abstract] Abstract ifrs-full:DisclosureOfOperatingSegmentsAbstract
410 Detailed Report of Segments Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfOperatingSegmentsExplanatory
411 100550 - Disclosure - Supplementary cash flow information (Tables) Network

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412 Implied Table Table

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413 Text Block1 [Abstract] Abstract cron:TextBlock1Abstract
414 'Summary of Change in Non-Cash Working Capital Concept (Text Block (HTML)) For Period cron:DisclosureOfChangesInNoncashWorkingCapitalItemsExplanatory
415 100560 - Disclosure - Financial instruments (Tables) Network

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416 Implied Table Table

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417 Disclosure Of Financial Instruments [Abstract] Abstract ifrs-full:DisclosureOfFinancialInstrumentsAbstract
418 Summary of Maturity Analysis of Trade Receivables Concept (Text Block (HTML)) For Period cron:DisclosureOfMaturityAnalysisOfTradeReceivablesExplanatory
419 Summary of of maturity analysis of trade and other payables Concept (Text Block (HTML)) For Period cron:DisclosureOfMaturityAnalysisOfTradeAndOtherPayablesExplanatory
420 Summary of Foreign Currency Denominated Assets and Liabilities Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfEffectOfChangesInForeignExchangeRatesExplanatory
421 100570 - Disclosure - Basis of Presentation - Summarized Consolidated Financial Statements (Detail) Network

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422 Basis Of Presentation [Table] Table

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423 Subsidiaries [axis] Axis ifrs-full:SignificantInvestmentsInSubsidiariesAxis
424 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
425 Hortican Inc. ("Hortican") [member] Member cron:HorticanIncHorticanMember
426 Peace Naturals Project Inc. [member] Member cron:PeaceNaturalsProjectIncMember
427 Original BC Ltd. [member] Member cron:OriginalBCLtdMember
428 Cronos Canada Holdings Inc. [member] Member cron:CronosCanadaHoldingsIncMember
429 Cronos Israel GS Cultivations Ltd [member] Member cron:CronosIsraelGSCultivationsLtdMember
430 Cronos Israel GS Manufacturing Ltd [member] Member cron:CronosIsraelGSManufacturingLtdMember
431 Cronos Global Holdings Inc. [member] Member cron:CronosGlobalHoldingsIncMember
432 Cronos Israel G.S. Store Ltd. [member] Member cron:CronosIsraelGSStoreLtdMember
433 Cronos Israel G.S. Pharmacies Ltd. [member] Member cron:CronosIsraelGSPharmaciesLtdMember
434 Cronos Group Celtic Holdings Ltd. [member] Member cron:CronosGroupCelticHoldingsLtdMember
435 Cronos Malta Holdings Ltd [member] Member cron:CronosMaltaHoldingsLtdMember
436 Basis of Presentation [line items] LineItems cron:BasisOfPresentationLineItems
437 Jurisdiction of incorporation Concept (Text/String) For Period ifrs-full:CountryOfIncorporationOrResidenceOfSubsidiary
438 Incorporation date Concept (Date) For Period cron:IncorporationOrFormedDate
439 Ownership interest Concept (Percent) For Period ifrs-full:ProportionOfOwnershipInterestInSubsidiary
440 100580 - Disclosure - Basis of Presentation - Summary of Company's Investments in Equity Accounted Investees (Detail) Network

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441 Basis Of Presentation [Table] Table

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442 Joint ventures [axis] Axis ifrs-full:JointVenturesAxis
443 Entity's total for joint ventures [member] Member ifrs-full:EntitysTotalForJointVenturesMember
444 Cronos Australia Limited [member] Member cron:CronosAustraliaLimitedMember
445 MedMen Canada [member] Member cron:MedMenCanadaIncMember
446 Cronos GrowCo [member] Member cron:CronosGrowingCompanyIncMember
447 NatuEra S.à r.l [member] Member cron:NatuEraSRLMember
448 Associates [axis] Axis ifrs-full:SignificantInvestmentsInAssociatesAxis
449 Entity's total for associates [member] Member ifrs-full:EntitysTotalForAssociatesMember
450 Whistler [member] Member cron:WhistlerMedicalMarijuanaCorpMember
451 Basis of Presentation [line items] LineItems cron:BasisOfPresentationLineItems
452 Jurisdiction of incorporation Concept (Text/String) For Period ifrs-full:CountryOfIncorporationOfJointVenture
453 Jurisdiction of incorporation Concept (Text/String) For Period ifrs-full:CountryOfIncorporationOrResidenceOfAssociate
454 Ownership interest Concept (Percent) For Period ifrs-full:ProportionOfOwnershipInterestInJointVenture
455 Proportion Of Ownership Interest In Associate Concept (Percent) For Period ifrs-full:ProportionOfOwnershipInterestInAssociate
456 100590 - Disclosure - Significant Accounting Policies - Additional Information (Details) Network

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457 Disclosure Of Changes In Accounting Estimates [Table] Table

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458 Range [axis] Axis ifrs-full:RangeAxis
459 Ranges [member] Member ifrs-full:RangesMember
460 Bottom of Range [member] Member ifrs-full:BottomOfRangeMember
461 Top of Range [member] Member ifrs-full:TopOfRangeMember
462 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
463 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
464 Material Credit Obligation [member] Member cron:MaterialCreditObligationMember
465 Expected Credit Loss [member] Member cron:ExpectedCreditLossMember
466 Disclosure Of Changes In Accounting Estimates [Line Items] LineItems ifrs-full:DisclosureOfChangesInAccountingEstimatesLineItems
467 Domestic non-consumer sales payment period Concept (xbrli:durationItemType) For Period cron:FixedConsiderationForDomesticNonConsumerSalesDuePeriod
468 International sales fixed consideration payment period Concept (xbrli:durationItemType) For Period cron:FixedConsiderationForInternationalSalesDuePeriod
469 International sales variable consideration payment period Concept (xbrli:durationItemType) For Period cron:VariableConsiderationForInternationalSalesDuePeriod
470 Voting rights held in associate Concept (Percent) For Period ifrs-full:ProportionOfVotingPowerHeldInAssociate
471 Description of expected credit losses Concept (Text/String) For Period ifrs-full:DescriptionOfBasisOfInputsAndAssumptionsAndEstimationTechniquesUsedToMeasure12monthAndLifetimeExpectedCreditLosses
472 Borrower past due period Concept (xbrli:durationItemType) For Period cron:BorrowerPastDuePeriod
473 Measuring loss allowance period Concept (xbrli:durationItemType) For Period cron:MeasuringLossAllowancePeriod
474 100600 - Disclosure - Significant Accounting Policies - Summary of Amortization Method and Rate of Estimated Useful Life of Intangible Assets (Details) Network

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475 Disclosure Of Intangible Assets [Table] Table

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476 Classes of intangible assets other than goodwill [axis] Axis ifrs-full:ClassesOfIntangibleAssetsOtherThanGoodwillAxis
477 Intangible assets other than goodwill [member] Member ifrs-full:IntangibleAssetsOtherThanGoodwillMember
478 Software [member] Member ifrs-full:ComputerSoftwareMember
479 Health Canada Licenses [member] Member cron:HealthCanadaLicenseMember
480 Israeli Codes [member] Member cron:IsraeliCodesMember
481 Disclosure Of Intangible Assets [Line Items] LineItems ifrs-full:DisclosureOfIntangibleAssetsLineItems
482 Method Concept (Text/String) For Period ifrs-full:AmortisationMethodIntangibleAssetsOtherThanGoodwill
483 Rate Concept (Text/String) For Period ifrs-full:UsefulLivesOrAmortisationRatesIntangibleAssetsOtherThanGoodwill
484 100610 - Disclosure - Significant Accounting Policies - Summary of Basis Depreciation of Property, Plant and Equipment (Detail) Network

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485 Disclosure Of Property Plant And Equipment [Table] Table

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486 Classes of property, plant and equipment [axis] Axis ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
487 Property, plant and equipment [member] Member ifrs-full:PropertyPlantAndEquipmentMember
488 Building structures [member] Member ifrs-full:BuildingsMember
489 Furniture and equipment [member] Member cron:FurnitureAndEquipmentMember
490 Computer equipment [member] Member ifrs-full:ComputerEquipmentMember
491 Security equipment [member] Member cron:SecurityEquipmentMember
492 Production equipment [member] Member cron:ProductionEquipmentMember
493 Road [member] Member cron:RoadMember
494 Leasehold improvements [member] Member ifrs-full:LeaseholdImprovementsMember
495 Equipment under finance lease [member] Member cron:EquipmentUnderFinanceLeaseMember
496 Disclosure Of Property Plant And Equipment [Line Items] LineItems ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems
497 Method Concept (Text/String) For Period ifrs-full:DepreciationMethodPropertyPlantAndEquipment
498 Rate Concept (Text/String) For Period ifrs-full:UsefulLivesOrDepreciationRatesPropertyPlantAndEquipment
499 100620 - Disclosure - Adoption of New Accounting Pronouncements - Additional Information (Details) Network

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500 Disclosure Of Initial Application Of Standards Or Interpretations [Table] Table

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501 Categories of financial assets [axis] Axis ifrs-full:CategoriesOfFinancialAssetsAxis
502 Financial assets, category [member] Member ifrs-full:FinancialAssetsCategoryMember
503 Equity investments designated at fair value through other comprehensive income [member] Member ifrs-full:InvestmentsInEquityInstrumentsMeasuredAtFairValueThroughOtherComprehensiveIncomeMember
504 Disclosure Of Initial Application Of Standards Or Interpretations [Line Items] LineItems ifrs-full:DisclosureOfInitialApplicationOfStandardsOrInterpretationsLineItems
505 Gain on other investments Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnDisposalsOfInvestments
506 Fair value of investments Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValue
507 Changes in carrying amounts of financial instruments as a result of adoption of IFRS 9 Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsPreviouslyDesignatedAtFairValueThroughProfitOrLossReclassifiedDueToRequirementsOfIFRS9FirstApplicationOfIFRS9
508 Impairment of financial assets Concept (Monetary) For Period Debit ifrs-full:ImpairmentLossOnFinancialAssets
509 100630 - Disclosure - Adoption of New Accounting Pronouncements - Summary of Accounting Standard Impact on Financial Instruments (Details) Network

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510 Disclosure Of Initial Application Of Standards Or Interpretations [Table] Table

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511 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
512 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
513 Cash [Member] Member cron:AccountingStandardImpactOnCashMember
514 Accounts Receivable [Member] Member ifrs-full:TradeReceivablesMember
515 Other Receivables [Member] Member cron:OtherReceivablesMember
516 Loan Receivable [Member] Member cron:LoanReceivableMember
517 Advances to Joint Ventures [Member] Member cron:AdvancesToJointVenturesMember
518 Other Investments [member] Member cron:OtherInvestmentMember
519 Accounts Payable And Other Liabilities [Member] Member cron:AccountsPayableAndOtherLiabilitiesMember
520 Holdbacks Payable [Member] Member cron:HoldbacksPayableMember
521 Construction Loan Payable [Member] Member cron:ConstructionLoansPayableMember
522 Effect of overlay approach reclassification [axis] Axis ifrs-full:EffectOfOverlayApproachReclassificationAxis
523 In accordance with IFRS 9 [member] Member ifrs-full:InAccordanceWithIFRS9Member
524 IFRS 9 [Member] Member ifrs-full:EffectOfOverlayApproachReclassificationMember
525 IAS 39 [Member] Member cron:IAS39Member
526 Disclosure Of Initial Application Of Standards Or Interpretations [Line Items] LineItems ifrs-full:DisclosureOfInitialApplicationOfStandardsOrInterpretationsLineItems
527 Classification by categories of financial instruments Concept (Text/String) For Period cron:ClassificationByCategoriesOfFinancialInstruments
528 100640 - Disclosure - New And Revised Standards And Interpretations Issued But Not Yet Effective - Additional Information (Details) Network

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529 Description Of Expected Impact Of Initial Application Of New Standards Or Interpretations [Table] Table

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530 Measurement [axis] Axis ifrs-full:MeasurementAxis
531 Aggregated measurement [member] Member ifrs-full:AggregatedMeasurementMember
532 At cost or in accordance with IFRS 16 within fair value model [member] Member ifrs-full:AtCostOrInAccordanceWithIFRS16WithinFairValueModelMember
533 Description Of Expected Impact Of Initial Application Of New Standards Or Interpretations [Line Items] LineItems ifrs-full:DescriptionOfExpectedImpactOfInitialApplicationOfNewStandardsOrInterpretationsLineItems
534 Non-cancellable operating lease commitments Concept (Monetary) As Of Credit ifrs-full:MinimumLeasePaymentsPayableUnderNoncancellableOperatingLease
535 Right-of-use assets Concept (Monetary) As Of Debit ifrs-full:RightofuseAssets
536 Current lease liabilities Concept (Monetary) As Of Credit ifrs-full:CurrentLeaseLiabilities
537 Non-current lease liabilities Concept (Monetary) As Of Credit ifrs-full:NoncurrentLeaseLiabilities
538 Accumulated deficit Concept (Monetary) As Of Credit ifrs-full:RetainedEarnings
539 Net income (loss) Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
540 100650 - Disclosure - Accounting Changes - Consolidated Statement of Operations and Comprehensive Income (Loss) (Detail) Network

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541 Disclosure Of Changes In Accounting Estimates [Table] Table

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542 Voluntary changes in accounting policy [axis] Axis ifrs-full:VoluntaryChangesInAccountingPolicyAxis
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544 Original Accounting Policy [member] Member cron:OriginalAccountingPolicyMember
545 New Accounting Policy [member] Member cron:NewAccountingPolicyMember
546 Disclosure Of Changes In Accounting Estimates [Line Items] LineItems ifrs-full:DisclosureOfChangesInAccountingEstimatesLineItems
547 Cost of sales Abstract cron:CostOfSalesAbstract
548 Cost of sales before fair value adjustments Concept (Monetary) For Period Debit cron:CostOfSalesBeforeFairValueAdjustments
549 Production costs Concept (Monetary) For Period Debit cron:ProductionCost
550 Total cost of sales Concept (Monetary) For Period Debit ifrs-full:CostOfSales
551 Gross profit (loss) before fair value adjustments Concept (Monetary) For Period Credit cron:GrossProfitBeforeFairValueAdjustments
552 Fair value adjustments Abstract cron:FairValueAdjustmentsAbstract
553 Unrealized change in fair value of biological assets Concept (Monetary) For Period ifrs-full:GainsLossesOnFairValueAdjustmentBiologicalAssets
554 Realized fair value adjustments on inventory sold in the year Concept (Monetary) For Period Credit cron:RealizedFairValueAdjustmentsOnInventorySold
555 Total fair value adjustments Concept (Monetary) For Period Credit cron:GainsLossesOnFairValueAdjustments
556 Gross profit Concept (Monetary) For Period Credit ifrs-full:GrossProfit
557 100660 - Disclosure - Accounting Changes - Consolidated Statement of Cash Flows (Detail) Network

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558 Disclosure Of Changes In Accounting Estimates [Table] Table

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ifrs-full:DisclosureOfChangesInAccountingEstimatesTable
559 Voluntary changes in accounting policy [axis] Axis ifrs-full:VoluntaryChangesInAccountingPolicyAxis
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561 Original Accounting Policy [member] Member cron:OriginalAccountingPolicyMember
562 New Accounting Policy [member] Member cron:NewAccountingPolicyMember
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564 Operating activities Abstract ifrs-full:CashFlowsFromUsedInOperatingActivitiesAbstract
565 Items not affecting cash: Abstract cron:NoncashFairValueAdjustmentItemsForBiologicalAssetsAndInventoryAbstract
566 Unrealized change in fair value of biological assets Concept (Monetary) For Period ifrs-full:GainsLossesOnFairValueAdjustmentBiologicalAssets
567 Realized fair value adjustments on inventory sold in the year Concept (Monetary) For Period Credit cron:RealizedFairValueAdjustmentsOnInventorySold
568 Net changes in non-cash working capital: Abstract cron:ChangesInNoncashWorkingCapitalAbstract
569 Biological assets Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForDecreaseIncreaseInBiologicalAssets
570 Inventory Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForDecreaseIncreaseInInventories
571 Net effect on cash flows used in operating activities Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForReconcileProfitLoss
572 100670 - Disclosure - Biological Assets and Inventory - Schedule of Changes in Carrying Amounts of Biological Assets (Detail) Network

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573 Implied Table Table

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574 Disclosure Of Reconciliation Of Changes In Biological Assets [Abstract] Abstract ifrs-full:DisclosureOfReconciliationOfChangesInBiologicalAssetsAbstract
575 Biological assets - beginning of year Concept (Monetary) As Of Debit ifrs-full:BiologicalAssets
576 Capitalization of production costs Concept (Monetary) For Period Credit cron:CapitalizationOfProductionCostsOfBiologicalAssets
577 Unrealized change in fair value of biological assets Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnChangeInFairValueEstimatesOfBiologicalAssetsForCurrentPeriod
578 Transferred to inventory upon harvest Concept (Monetary) For Period Credit ifrs-full:DecreaseDueToHarvestBiologicalAssets
579 Biological assets - end of year Concept (Monetary) As Of Debit ifrs-full:BiologicalAssets
580 100680 - Disclosure - Biological Assets and Inventory - Additional Information (Detail) Network

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581 Disclosure Of Detailed Information About Bio Assets And Inventory [Table] Table

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583 Biological assets [member] Member ifrs-full:BiologicalAssetsMember
584 Dry cannabis [member] Member cron:DryCannabisMember
585 Cannabis oils [member] Member cron:CannabisOilsMember
586 Disclosure Of Detailed Information About Bio Assets And Inventory [Line Items] LineItems cron:DisclosureOfDetailedInformationAboutBioAssetsAndInventoryLineItems
587 Expected cannabis yield | kg Concept (Decimal) For Period cron:ExpectedOutputOfAgriculturalProduce
588 Number of plants classified as biological assets Concept (Decimal) For Period cron:NumberOfBiologicalAssets
589 Average number of weeks Concept (Decimal) For Period cron:AveragePeriod
590 Percentage of completion Concept (Percent) For Period cron:PercentageOfCompletion
591 Percentage Ascribed Concept (Percent) For Period cron:PercentageOfExpectedFairValueAtHarvestDate
592 Retention samples | kg Concept (Decimal) For Period cron:AgriculturalProduceInHandAsRetentionSamples
593 Retention samples Concept (Monetary) As Of Debit cron:RetentionSamples
594 100690 - Disclosure - Biological Assets and Inventory - Schedule of Biological Inventory (Detail) Network

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595 Disclosure Of Detailed Information About Biological Assets [Table] Table

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596 Inventory Axis cron:InventoryAxis
597 Biological assets [member] Member ifrs-full:BiologicalAssetsMember
598 Dry cannabis [member] Member cron:DryCannabisMember
599 Cannabis oils [member] Member cron:CannabisOilsMember
600 Disclosure of detailed information about lnventories [line items] LineItems cron:DisclosureOfDetailedInformationAboutInventoriesLineItems
601 Finished goods Concept (Monetary) As Of Debit ifrs-full:FinishedGoods
602 Work-in-process Concept (Monetary) As Of Debit ifrs-full:WorkInProgress
603 Inventory Concept (Monetary) As Of Debit ifrs-full:Inventories
604 Raw materials Concept (Monetary) As Of Debit ifrs-full:RawMaterials
605 Supplies and consumables Concept (Monetary) As Of Debit ifrs-full:ProductionSupplies
606 Finished goods Concept (Decimal) For Period cron:AgriculturalFinishedGoodsInHand
607 Work in process Concept (Decimal) For Period cron:AgriculturalWorkInProcessInHand
608 100700 - Disclosure - Biological Assets and Inventory - Schedule of Biological Inventory (Parenthetical) (Detail) Network

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609 Implied Table Table

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610 Disclosure Of Detailed Information About Inventories [Abstract] Abstract cron:DisclosureOfDetailedInformationAboutInventoriesAbstract
611 Cannabis seeds | kg Concept (Decimal) For Period cron:CanabisSeedsInHand
612 100710 - Disclosure - Biological Assets And Inventory - Schedule of Direct and Indirect Costs Related to Biological Assets and Inventory (Detail) Network

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613 Disclosure Of Direct And Indirect Costs Related To Biological Assets And Inventory [Table] Table

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614 Costs By Nature Axis cron:CostsByNatureAxis
615 Biological assets, type [member] Member ifrs-full:BiologicalAssetsTypeMember
616 Consumables (insect control, fertilizers, soil) [member] Member ifrs-full:ConsumableBiologicalAssetsMember
617 Labour costs (including salaries and benefits) [member] Member cron:LabourCostsMember
618 Supplies and small tools [member] Member cron:SuppliesAndSmallToolsMember
619 Utilities [member] Member cron:UtilitiesMember
620 Property taxes, amortization, security [member] Member cron:PropertyTaxesAmortizationSecurityMember
621 Packaging costs [member] Member cron:PackagingCostsMember
622 Disclosure Of Direct And Indirect Costs Related To Biological Assets And Inventory [line Items] LineItems cron:DisclosureOfDirectAndIndirectCostsRelatedToBiologicalAssetsAndInventoryLineItems
623 Nature of cost Concept (Text/String) For Period cron:DescriptionOfNatureOfCostRelatedToBiologicalAssetsAndInventory
624 Allocation basis Concept (Text/String) For Period cron:DescriptionOfAllocationBasisOfCostsRelatedToBiologicalAssetsAndInventory
625 100720 - Disclosure - Biological Assets And Inventory - Schedule of Direct and Indirect Costs Related to Biological Assets and Inventory (Parenthetical) (Detail) Network

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626 Disclosure Of Direct And Indirect Costs Related To Biological Assets And Inventory [Table] Table

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cron:DisclosureOfDirectAndIndirectCostsRelatedToBiologicalAssetsAndInventoryTable
627 Costs By Nature Axis cron:CostsByNatureAxis
628 Biological assets, type [member] Member ifrs-full:BiologicalAssetsTypeMember
629 Consumables (insect control, fertilizers, soil) [member] Member ifrs-full:ConsumableBiologicalAssetsMember
630 Labour costs (including salaries and benefits) [member] Member cron:LabourCostsMember
631 Supplies and small tools [member] Member cron:SuppliesAndSmallToolsMember
632 Utilities [member] Member cron:UtilitiesMember
633 Property taxes, amortization, security [member] Member cron:PropertyTaxesAmortizationSecurityMember
634 Packaging costs [member] Member cron:PackagingCostsMember
635 Disclosure Of Direct And Indirect Costs Related To Biological Assets And Inventory [line Items] LineItems cron:DisclosureOfDirectAndIndirectCostsRelatedToBiologicalAssetsAndInventoryLineItems
636 Percentage allocated to production costs Concept (Percent) For Period cron:PercentageOfCostAllocatedToProductionCosts
637 Percentage allocated to processing costs Concept (Percent) For Period cron:PercentageOfCostAllocatedToProcessingCosts
638 Percentage allocated to operating expenses Concept (Percent) For Period cron:PercentageOfCostAllocatedToOperatingExpense
639 100730 - Disclosure - Biological Assets And Inventory - Schedule of Estimates of Significant Inputs Related to Biological Assets and Inventory (Detail) Network

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640 Disclosure Of Significant Unobservable Inputs Used In Fair Value Measurement Of Assets [Table] Table

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ifrs-full:DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfAssetsTable
641 Measurement [axis] Axis ifrs-full:MeasurementAxis
642 Aggregated measurement [member] Member ifrs-full:AggregatedMeasurementMember
643 Net Selling price per gram [member] Member cron:NetSellingPricePerGramMember
644 Harvest yield per plant [member] Member cron:HarvestYieldPerPlantMember
645 Stage of growth [member] Member cron:StageOfGrowthMember
646 Processing costs per gram [member] Member cron:ProcessingCostsPerGramMember
647 Selling costs per gram [member] Member cron:SellingCostsPerGramMember
648 Equivalency factor [member] Member cron:EquivalencyFactorMember
649 Mass multipliers [member] Member cron:MassMultipliersMember
650 Disclosure Of Significant Unobservable Inputs Used In Fair Value Measurement Of Assets [Line Items] LineItems ifrs-full:DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfAssetsLineItems
651 Significant input Concept (Text/String) For Period cron:DescriptionOfSignificantUnobservableInputsUsedInFairValueMeasurementOfAssets
652 100740 - Disclosure - Biological Assets And Inventory - Schedule of Estimates of Significant Inputs Related to Biological Assets and Inventory (Parenthetical) (Detail) Network

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653 Disclosure Of Significant Unobservable Inputs Used In Fair Value Measurement Of Assets [Table] Table

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654 Measurement [axis] Axis ifrs-full:MeasurementAxis
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656 Stage of growth [member] Member cron:StageOfGrowthMember
657 Disclosure Of Significant Unobservable Inputs Used In Fair Value Measurement Of Assets [Line Items] LineItems ifrs-full:DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfAssetsLineItems
658 Average number of weeks Concept (Decimal) For Period cron:AveragePeriod
659 100750 - Disclosure - Biological Assets and Inventory - Sensitivity Analysis of Impact on Fair Value of Biological Assets (Detail) Network

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660 Disclosure Of Significant Unobservable Inputs Used In Fair Value Measurement Of Assets [Table] Table

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667 Top of Range [member] Member ifrs-full:TopOfRangeMember
668 Disclosure Of Significant Unobservable Inputs Used In Fair Value Measurement Of Assets [Line Items] LineItems ifrs-full:DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfAssetsLineItems
669 Net selling price per gram Concept (Decimal) For Period cron:EstimatedNetSellingPricePerGram
670 Harvest yield per plant Concept (Decimal) For Period cron:AverageHarvestYield
671 Stage of growth Concept (Decimal) For Period cron:StageOfGrowth
672 Processing costs per gram Concept (Decimal) For Period cron:EstimatedProcessingCosts
673 Selling costs per gram Concept (Decimal) For Period cron:EstimatedSellingCosts
674 Equivalency factor Concept (Decimal) For Period cron:EquivalencyFactor
675 Mass multipliers Concept (Decimal) For Period cron:MassMultipliers
676 100760 - Disclosure - Biological Assets and Inventory - Schedule of Sensitivity Analysis for Impacts on Value of Assets (Detail) Network

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677 Disclosure Of Significant Unobservable Inputs Used In Fair Value Measurement Of Assets [Table] Table

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678 Sensitivity Analysis Axis cron:SensitivityAnalysisAxis
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680 Sensitivity Analysis [Member] Member cron:SensitivityAnalysisMember
681 Measurement [axis] Axis ifrs-full:MeasurementAxis
682 Aggregated measurement [member] Member ifrs-full:AggregatedMeasurementMember
683 Net Selling price per gram [member] Member cron:NetSellingPricePerGramMember
684 Harvest yield per plant [member] Member cron:HarvestYieldPerPlantMember
685 Stage of growth [member] Member cron:StageOfGrowthMember
686 Processing costs per gram [member] Member cron:ProcessingCostsPerGramMember
687 Selling costs per gram [member] Member cron:SellingCostsPerGramMember
688 Equivalency factor [member] Member cron:EquivalencyFactorMember
689 Mass multipliers [member] Member cron:MassMultipliersMember
690 Disclosure Of Significant Unobservable Inputs Used In Fair Value Measurement Of Assets [Line Items] LineItems ifrs-full:DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfAssetsLineItems
691 Increase (decrease) of Input, Biological assets Concept (Monetary) For Period Debit ifrs-full:ChangesInBiologicalAssets
692 Increase (decrease) of Input, Inventory Concept (Monetary) For Period Debit ifrs-full:ChangesInInventoriesOfFinishedGoodsAndWorkInProgress
693 100770 - Disclosure - Loan Receivable - Summary of Information for Loan Receivable (Detail) Network

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694 Disclosure Of Loans Receivable [Table] Table

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cron:DisclosureOfLoansReceivableTable
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696 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
697 Evergreen Medicinal Supply Inc. [member] Member cron:EvergreenMedicinalSupplyIncMember
698 Disclosure of loan receivable [line items] LineItems cron:DisclosureOfLoansReceivableLineItems
699 Loan receivable excluding accrued interest Concept (Monetary) As Of Debit cron:LoanReceivableGross
700 Add: Accrued interest Concept (Monetary) For Period Credit ifrs-full:InterestIncomeOnLoansAndReceivables
701 Loan receivable Concept (Monetary) As Of Debit ifrs-full:CurrentLoansAndReceivables
702 100780 - Disclosure - Loan Receivable - Summary of Information for Loan Receivable (Parenthetical) (Detail) Network

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703 Disclosure Of Loans Receivable [Table] Table

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cron:DisclosureOfLoansReceivableTable
704 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
705 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
706 Evergreen Medicinal Supply Inc. [member] Member cron:EvergreenMedicinalSupplyIncMember
707 Disclosure of loan receivable [line items] LineItems cron:DisclosureOfLoansReceivableLineItems
708 Interest rate Concept (Percent) As Of cron:LoanInterestRate
709 100790 - Disclosure - Advances to Joint Ventures - Summary of Advances to Joint Ventures (Details) Network

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710 Disclosure Of Transactions Between Related Parties [Table] Table

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ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesTable
711 Joint ventures [axis] Axis ifrs-full:JointVenturesAxis
712 Entity's total for joint ventures [member] Member ifrs-full:EntitysTotalForJointVenturesMember
713 Cronos Australia [member] Member cron:CronosAustraliaLtdMember
714 Cronos GrowCo [member] Member cron:CronosGrowingCompanyIncMember
715 MedMen Canada [member] Member cron:MedMenCanadaIncMember
716 Disclosure Of Transactions Between Related Parties [Line Items] LineItems ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesLineItems
717 Advances to joint ventures Concept (Monetary) For Period Credit ifrs-full:CashAdvancesAndLoansMadeToRelatedParties
718 100800 - Disclosure - Advances to Joint Ventures - Summary of Advances to Joint Ventures - (Parenthetical) (Details) Network

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719 Disclosure Of Transactions Between Related Parties [Table] Table

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720 Joint ventures [axis] Axis ifrs-full:JointVenturesAxis
721 Entity's total for joint ventures [member] Member ifrs-full:EntitysTotalForJointVenturesMember
722 Cronos Australia [member] Member cron:CronosAustraliaPTYLtdMember
723 Disclosure Of Transactions Between Related Parties [Line Items] LineItems ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesLineItems
724 Advance to joint ventures governed by unsecured loan Concept (Monetary) As Of Debit cron:AdvanceToJointVenturesGovernedByUnsecuredLoan
725 Interest rate Concept (Percent) As Of cron:LoanInterestRate
726 Loan due date Concept (Date) For Period cron:LoanDueDate
727 Borrowings additional interest rate Concept (Percent) For Period cron:BorrowingsAdditionalInterestRate
728 100810 - Disclosure - Investments in Equity Accounted Investees - Summary of Reconciliation of Carrying Amount of Investments in Associates and Joint Ventures (Detail) Network

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729 Disclosure Of Significant Investments In Equity Accounted Investees [Table] Table

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cron:DisclosureOfSignificantInvestmentsInEquityAccountedInvesteesTable
730 Joint ventures [axis] Axis ifrs-full:JointVenturesAxis
731 Entity's total for joint ventures [member] Member ifrs-full:EntitysTotalForJointVenturesMember
732 MedMen Canada [member] Member cron:MedMenCanadaIncMember
733 Cronos GrowCo [member] Member cron:CronosGrowingCompanyIncMember
734 Cronos Australia [member] Member cron:CronosAustraliaLtdMember
735 Associates [axis] Axis ifrs-full:SignificantInvestmentsInAssociatesAxis
736 Entity's total for associates [member] Member ifrs-full:EntitysTotalForAssociatesMember
737 Whistler [member] Member cron:WhistlerMedicalMarijuanaCorpMember
738 Disclosure Of Significant Investments In Equity Accounted Investees [Line Items] LineItems cron:DisclosureOfSignificantInvestmentsInEquityAccountedInvesteesLineItems
739 Beginning balance Concept (Monetary) As Of Debit ifrs-full:InvestmentAccountedForUsingEquityMethod
740 Capital contributions Concept (Monetary) For Period Credit cron:CapitalContributionsOfInvestmentsInAssociatesAndJointVentures
741 Share of net income (loss) Concept (Monetary) For Period Credit ifrs-full:ShareOfProfitLossOfContinuingOperationsOfAssociatesAndJointVenturesAccountedForUsingEquityMethod
742 Ending balance Concept (Monetary) As Of Debit ifrs-full:InvestmentAccountedForUsingEquityMethod
743 100820 - Disclosure - Investments in Equity Accounted Investees - Summary of Reconciliation of Carrying Amount of Investments in Associates and Joint Ventures (Parenthetical) (Detail) Network

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http://thecronosgroup.com/20181231/taxonomy/role/DisclosureInvestmentsInEquityAccountedInvesteesSummaryOfReconciliationOfCarryingAmountOfInvestmentsInAssociatesAndJointVenturesParentheticalDetail
744 Disclosure Of Significant Investments In Equity Accounted Investees [Table] Table

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cron:DisclosureOfSignificantInvestmentsInEquityAccountedInvesteesTable
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749 Associates [axis] Axis ifrs-full:SignificantInvestmentsInAssociatesAxis
750 Entity's total for associates [member] Member ifrs-full:EntitysTotalForAssociatesMember
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752 Joint ventures [axis] Axis ifrs-full:JointVenturesAxis
753 Entity's total for joint ventures [member] Member ifrs-full:EntitysTotalForJointVenturesMember
754 MedMen Canada [member] Member cron:MedMenCanadaIncMember
755 Cronos Australia [member] Member cron:CronosAustraliaLtdMember
756 Cronos Australia [member] Member cron:CronosAustraliaMember
757 Disclosure Of Significant Investments In Equity Accounted Investees [Line Items] LineItems cron:DisclosureOfSignificantInvestmentsInEquityAccountedInvesteesLineItems
758 Ownership percentage Concept (Percent) For Period ifrs-full:ProportionOfOwnershipInterestInJointVenture
759 Percentage of voting control Concept (Percent) As Of ifrs-full:PercentageOfVotingEquityInterestsAcquired
760 License term Concept (xbrli:durationItemType) For Period cron:LicenseTerm
761 Percentage of ownership interest Concept (Percent) For Period ifrs-full:ProportionOfOwnershipInterestInJointOperation
762 Percentage of capital expenditure funding to be provided Concept (Percent) For Period cron:PercentageOfCapitalExpenditureFundingToBeProvided
763 Percentage of operating expense funding to be provided Concept (Percent) For Period cron:PercentageOfOperatingExpenseFundingToBeProvided
764 Capital and operating expense funding to be provided Concept (Monetary) As Of Credit cron:CapitalAndOperatingExpenseFundingToBeProvided
765 100830 - Disclosure - Investments in Equity Accounted Investees - Summary of Financial Information for Significant Associates and Joint Ventures (Detail) Network

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766 Disclosure Of Summarised Financial Information For The Consolidated Financial Statements [Table] Table

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767 Significant Investments In Associates And Joint Ventures Axis cron:SignificantInvestmentsInAssociatesAndJointVenturesAxis
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769 Associates and Joint Ventures [member] Member cron:AssociatesAndJointVenturesMember
770 Joint ventures [axis] Axis ifrs-full:JointVenturesAxis
771 Entity's total for joint ventures [member] Member ifrs-full:EntitysTotalForJointVenturesMember
772 MedMen Canada [member] Member cron:MedMenCanadaIncMember
773 Cronos GrowCo [member] Member cron:CronosGrowingCompanyIncMember
774 Cronos Australia [member] Member cron:CronosAustraliaLtdMember
775 Associates [axis] Axis ifrs-full:SignificantInvestmentsInAssociatesAxis
776 Entity's total for associates [member] Member ifrs-full:EntitysTotalForAssociatesMember
777 Whistler [member] Member cron:WhistlerMedicalMarijuanaCorpMember
778 Disclosure of Summary of Aggregate Financial Information for Significant Associates and Joint Ventures [line items] LineItems cron:DisclosureOfSummaryOfAggregateFinancialInformationForSignificantAssociatesAndJointVenturesLineItems
779 Current assets Concept (Monetary) As Of Debit ifrs-full:CurrentAssets
780 Non-current assets Concept (Monetary) As Of Debit ifrs-full:NoncurrentAssets
781 Current liabilities Concept (Monetary) As Of Credit ifrs-full:CurrentLiabilities
782 Non-current liabilities Concept (Monetary) As Of Credit ifrs-full:NoncurrentLiabilities
783 Revenue Concept (Monetary) For Period Credit ifrs-full:Revenue
784 Net income (loss) Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
785 100840 - Disclosure - Investments in Equity Accounted Investees - Summary of Aggregate Financial Information for Associates and Joint Ventures (Detail) Network

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786 Disclosure Of Summarised Financial Information For The Consolidated Financial Statements [Table] Table

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787 Significant Investments In Associates And Joint Ventures Axis cron:SignificantInvestmentsInAssociatesAndJointVenturesAxis
788 Significant Investments In Associates And Joint Ventures Member Member cron:SignificantInvestmentsInAssociatesAndJointVenturesMember
789 Associates and Joint Ventures [member] Member cron:AssociatesAndJointVenturesMember
790 Joint ventures [axis] Axis ifrs-full:JointVenturesAxis
791 Entity's total for joint ventures [member] Member ifrs-full:EntitysTotalForJointVenturesMember
792 MedMen Canada [member] Member cron:MedMenCanadaIncMember
793 Cronos GrowCo [member] Member cron:CronosGrowingCompanyIncMember
794 Cronos Australia [member] Member cron:CronosAustraliaLtdMember
795 Associates [axis] Axis ifrs-full:SignificantInvestmentsInAssociatesAxis
796 Entity's total for associates [member] Member ifrs-full:EntitysTotalForAssociatesMember
797 Whistler [member] Member cron:WhistlerMedicalMarijuanaCorpMember
798 Disclosure of Summary of Aggregate Financial Information for Significant Associates and Joint Ventures [line items] LineItems cron:DisclosureOfSummaryOfAggregateFinancialInformationForSignificantAssociatesAndJointVenturesLineItems
799 Current assets Concept (Monetary) As Of Debit ifrs-full:CurrentAssets
800 Non-current assets Concept (Monetary) As Of Debit ifrs-full:NoncurrentAssets
801 Current liabilities Concept (Monetary) As Of Credit ifrs-full:CurrentLiabilities
802 Non-current liabilities Concept (Monetary) As Of Credit ifrs-full:NoncurrentLiabilities
803 Revenue Concept (Monetary) For Period Credit ifrs-full:Revenue
804 Net income (loss) Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
805 100850 - Disclosure - Other Investments - Summary of Fair Value of Other Investments (Detail) Network

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806 Other Investments [Table] Table

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807 Legal Entity Axis dei:LegalEntityAxis
808 Entity Member dei:EntityDomain
809 Canopy Growth Corporation [member] Member cron:CanopyGrowthCorporationMember
810 Evergreen Medicinal Supply Inc. [member] Member cron:EvergreenMedicinalSupplyIncMember
811 AbCann Global Corp. [member] Member cron:AbCannGlobalCorpMember
812 Other Investments [line items] LineItems cron:OtherInvestmentsLineItems
813 Fair value through other comprehensive income investments Abstract ifrs-full:FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeAbstract
814 Fair value through other comprehensive income investments Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughOtherComprehensiveIncome
815 Fair value through profit or loss investment Abstract ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossAbstract
816 Fair value through profit or loss investment Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLoss
817 Fair value through other comprehensive income investments and fair value through profit or loss investment Abstract cron:FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeAndFairValueThroughProfitOrLossAbstract
818 Fair value of investments designated as fair value through other comprehensive income and fair value through profit and loss Concept (Monetary) As Of Debit cron:FinancialAssetsAtFairValueThroughProfitOrLossAndAtFairValueThroughOtherComprehensiveIncome
819 100860 - Disclosure - Other Investments - Summary of Gains Recognized Upon Increase in Fair Value on Other Investments (Detail) Network

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820 Gains Recognized Upon The Increase In Fair Value On Other Investments [Table] Table

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821 Legal Entity Axis dei:LegalEntityAxis
822 Entity Member dei:EntityDomain
823 Canopy Growth Corporation [member] Member cron:CanopyGrowthCorporationMember
824 AbCann Global Corp. [member] Member cron:AbCannGlobalCorpMember
825 The Hydropothecary Corporation [member] Member cron:TheHydropothecaryCorporationMember
826 Components of equity [axis] Axis ifrs-full:ComponentsOfEquityAxis
827 Equity [member] Member ifrs-full:EquityMember
828 Warrant [member] Member cron:Warrant1Member
829 Gains Recognized Upon The Increase In Fair Value On Other Investments [Line Items] LineItems cron:GainsRecognizedUponTheIncreaseInFairValueOnOtherInvestmentsLineItems
830 Gain recognized in net income (loss) Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLoss
831 Gain (loss) recognized in other comprehensive income (loss) before taxes Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeBeforeTax
832 100870 - Disclosure - Other Investments - Summary of Gains Recognized Upon Increase in Fair Value on Other Investments (Parenthetical) (Detail) Network

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833 Other Investments [Table] Table

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cron:OtherInvestmentsTable
834 Legal Entity Axis dei:LegalEntityAxis
835 Entity Member dei:EntityDomain
836 Canopy Growth Corporation [member] Member cron:CanopyGrowthCorporationMember
837 Evergreen Medicinal Supply Inc. [member] Member cron:EvergreenMedicinalSupplyIncMember
838 AbCann Global Corp. [member] Member cron:AbCannGlobalCorpMember
839 Panda Capital Inc [member] Member cron:PandaCapitalIncMember
840 The Hydropothecary Corporation [member] Member cron:TheHydropothecaryCorporationMember
841 Other Investments [line items] LineItems cron:OtherInvestmentsLineItems
842 Shares sold Concept (Shares) For Period cron:OrdinarySharesSold
843 Proceeds from sale of shares Concept (Monetary) For Period Debit ifrs-full:ProceedsFromSalesOfInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod
844 Cash payment for shares purchased Concept (Monetary) For Period Credit ifrs-full:PurchaseOfInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod
845 Option exercised for the acquisition of equity Concept (Monetary) For Period Credit cron:AmountOfOptionsExercised
846 Option exercised to acquire additional equity percentage Concept (Percent) For Period cron:OptionExercisedToAcquireAdditionalEquityPercentage
847 Total additional investment subscribed but not received Concept (Monetary) For Period Debit cron:AdditionalInvestmentSubscribedButNotReceived
848 Warrant exercised Concept (Shares) As Of cron:WarrantsExercised
849 Cash paid to exercise warrants Concept (Monetary) For Period Debit cron:CashPaidToExerciseWarrants
850 Stockholders' equity, stock split, conversion ratio Concept (Pure) For Period cron:StockholdersEquityStockSplitConversionRatio
851 Assumptions used to calculate fair value of warrants,risk free rate Concept (Percent) For Period cron:AssumptionsUsedToCalculateFairValueOfWarrantsRiskFreeRate
852 Assumptions used to calculate fair value of warrants,volatility Concept (Percent) For Period cron:AssumptionsUsedToCalculateFairValueOfWarrantsVolatility
853 Share price Concept (Monetary) For Period ifrs-full:WeightedAverageSharePrice
854 Assumptions used to calculate fair value of warrants,expected life Concept (xbrli:durationItemType) For Period cron:AssumptionsUsedToCalculateFairValueOfWarrantsExpectedLife
855 Assumptions used to calculate fair value of warrants,dividend yield Concept (Percent) For Period cron:AssumptionsUsedToCalculateFairValueOfWarrantsDividendYield
856 100880 - Disclosure - Property, Plant and Equipment - Summary of Property Plant and Equipment (Detail) Network

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857 Disclosure Of Property Plant And Equipment [Table] Table

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ifrs-full:DisclosureOfPropertyPlantAndEquipmentTable
858 Classes of property, plant and equipment [axis] Axis ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
859 Property, plant and equipment [member] Member ifrs-full:PropertyPlantAndEquipmentMember
860 Land [member] Member ifrs-full:LandMember
861 Building structures [member] Member ifrs-full:BuildingsMember
862 Furniture and equipment [member] Member ifrs-full:FixturesAndFittingsMember
863 Computer equipment [member] Member ifrs-full:ComputerEquipmentMember
864 Security equipment [member] Member cron:SecurityEquipmentMember
865 Production equipment [member] Member cron:ProductionEquipmentMember
866 Road [member] Member cron:RoadMember
867 Leasehold improvements [member] Member ifrs-full:LeaseholdImprovementsMember
868 Equipment under finance lease [member] Member cron:EquipmentUnderFinanceLeaseMember
869 Construction in progress [member] Member ifrs-full:ConstructionInProgressMember
870 Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Axis ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
871 Carrying amount [member] Member ifrs-full:CarryingAmountMember
872 Cost [member] Member ifrs-full:GrossCarryingAmountMember
873 Accumulated depreciation [member] Member ifrs-full:AccumulatedDepreciationAndAmortisationMember
874 Disclosure Of Property Plant And Equipment [Line Items] LineItems ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems
875 Beginning Balance Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipment
876 Additions Concept (Monetary) For Period Debit ifrs-full:AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment
877 Transfers Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseThroughTransfersPropertyPlantAndEquipment
878 Ending Balance Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipment
879 100890 - Disclosure - Property, Plant and Equipment - Summary of Property Plant and Equipment (Parenthetical) (Detail) Network

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880 Disclosure Of Property Plant And Equipment [Table] Table

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ifrs-full:DisclosureOfPropertyPlantAndEquipmentTable
881 Classes of property, plant and equipment [axis] Axis ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
882 Property, plant and equipment [member] Member ifrs-full:PropertyPlantAndEquipmentMember
883 Biological Asset [member] Member cron:BiologicalAssetMember
884 inventory [member] Member cron:InventoryMember
885 Equipment under finance lease [member] Member cron:EquipmentUnderFinanceLeaseMember
886 Disclosure Of Property Plant And Equipment [Line Items] LineItems ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems
887 Non-cash additions from capitalization Concept (Monetary) For Period Debit cron:NonCashAdditionsOfPropertyPlantAndEquipment
888 Land clearing cost and construction cost Concept (Monetary) As Of Debit cron:LandClearingCostAndConstructionCost
889 Accrued interest capitalized to construction in progress Concept (Monetary) For Period ifrs-full:InterestCostsCapitalised
890 Depreciation expense is recorded as part of inventory expensed to cost of sales, production costs, and general and administration Concept (Monetary) For Period Debit cron:DepreciationRecordedInInventory
891 Property, plant and equipment Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipment
892 100900 - Disclosure - Intangible Assets and Goodwill - Other Intangible Assets (Detail) Network

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893 Disclosure Of Intangible Assets [Table] Table

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894 Subsidiaries [axis] Axis ifrs-full:SignificantInvestmentsInSubsidiariesAxis
895 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
896 OGBC [member] Member cron:OGBCMember
897 Peace Naturals [member] Member cron:PeaceNaturalsMember
898 Cronos G.S. Cultivation Ltd [Member] Member cron:CronosGSCultivationLtdMember
899 Cronos G.S. Manufacturing Ltd [Member] Member cron:CronosGSManufacturingLtdMember
900 Classes of intangible assets other than goodwill [axis] Axis ifrs-full:ClassesOfIntangibleAssetsOtherThanGoodwillAxis
901 Intangible assets other than goodwill [member] Member ifrs-full:IntangibleAssetsOtherThanGoodwillMember
902 Software [member] Member ifrs-full:ComputerSoftwareMember
903 Health Canada Licenses [member] Member cron:HealthCanadaLicenseMember
904 Israeli Code [Member] Member cron:IsraeliCodeMember
905 Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Axis ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
906 Carrying amount [member] Member ifrs-full:CarryingAmountMember
907 Cost [member] Member ifrs-full:GrossCarryingAmountMember
908 Accumulated Amortization [member] Member ifrs-full:AccumulatedDepreciationAndAmortisationMember
909 Disclosure of detailed information about intangible assets [line items] LineItems ifrs-full:DisclosureOfIntangibleAssetsLineItems
910 Intangible assets, beginning balance Concept (Monetary) As Of Debit ifrs-full:IntangibleAssetsOtherThanGoodwill
911 Additions Concept (Monetary) For Period Debit cron:AcquisitionsOfIntangibleAssetsOtherThanGoodwill
912 Intangible assets, ending balance Concept (Monetary) As Of Debit ifrs-full:IntangibleAssetsOtherThanGoodwill
913 Additions Concept (Monetary) For Period ifrs-full:AmortisationIntangibleAssetsOtherThanGoodwill
914 100910 - Disclosure - Intangible Assets and Goodwill - Goodwill (Detail) Network

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915 Disclosure Of Reconciliation Of Changes In Goodwill [Table] Table

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916 Subsidiaries [axis] Axis ifrs-full:SignificantInvestmentsInSubsidiariesAxis
917 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
918 OGBC [member] Member cron:OGBCMember
919 Peace Naturals [member] Member cron:PeaceNaturalsMember
920 Disclosure of reconciliation of changes in goodwill [line items] LineItems ifrs-full:DisclosureOfReconciliationOfChangesInGoodwillLineItems
921 Goodwill beginning balance Concept (Monetary) As Of Debit ifrs-full:Goodwill
922 Additions Concept (Monetary) For Period Debit ifrs-full:AdditionalRecognitionGoodwill
923 Goodwill ending balance Concept (Monetary) As Of Debit ifrs-full:Goodwill
924 100920 - Disclosure - Intangible Assets and Goodwill - Additional Information (Detail) Network

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925 Implied Table Table

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926 Disclosure Of Reconciliation Of Changes In Intangible Assets And Goodwill [Abstract] Abstract ifrs-full:DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillAbstract
927 Disclosure of information for cash generating unit Abstract ifrs-full:DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesAbstract
928 Impairment of goodwill Concept (Monetary) For Period ifrs-full:ImpairmentLossRecognisedInProfitOrLossGoodwill
929 Impairment of indefinite life intangible assets Concept (Monetary) For Period Debit cron:ImpairmentOfIntangibleAssetsWithIndefiniteUsefulLife
930 Intangible assets with indefinite useful life Concept (Monetary) As Of Debit ifrs-full:IntangibleAssetsWithIndefiniteUsefulLife
931 Cash flow projection period Concept (Text/String) For Period ifrs-full:ExplanationOfPeriodOverWhichManagementHasProjectedCashFlows
932 100930 - Disclosure - Intangible Assets and Goodwill - Summary of Key Assumptions Used in Estimation of Receivable Amounts of CGU (Detail) Network

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933 Disclosure Of Information For Individual Asset Or Cashgenerating Unit With Significant Amount Of Goodwill Or Intangible Assets With Indefinite Useful Lives [Table] Table

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ifrs-full:DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesTable
934 Subsidiaries [axis] Axis ifrs-full:SignificantInvestmentsInSubsidiariesAxis
935 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
936 OGBC [member] Member cron:OGBCMember
937 Peace Naturals [member] Member cron:PeaceNaturalsMember
938 Disclosure of information for cash-generating units [line items] LineItems ifrs-full:DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesLineItems
939 Weighted average cost of capital (after-tax) Concept (Percent) For Period ifrs-full:WeightedAverageCostOfCapitalSignificantUnobservableInputsAssets
940 The average growth rate is the annualized average of the expected year-over-year growth rate (in EBITDA) over five years Concept (Percent) As Of ifrs-full:DescriptionOfGrowthRateUsedToExtrapolateCashFlowProjections
941 100940 - Disclosure - Subsidiaries with Non-controlling Interests - Additional Information (Details) Network

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942 Disclosure Of Significant Investments In Subsidiaries [Table] Table

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ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesTable
943 Joint ventures [axis] Axis ifrs-full:JointVenturesAxis
944 Entity's total for joint ventures [member] Member ifrs-full:EntitysTotalForJointVenturesMember
945 Kibbutz Gan Shmuel Member cron:KibbutzGanShmuelMember
946 Disclosure Of Significant Investments In Subsidiaries [Line Items] LineItems ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesLineItems
947 Number of joint ventures Concept (Integer) As Of cron:NumberOfJointVentures
948 Country of incorporation of joint venture Concept (Text/String) For Period ifrs-full:CountryOfIncorporationOfJointVenture
949 Name of joint venturer Concept (Text/String) For Period cron:NameOfJointVenturer
950 Payment for interest in joint venture Concept (Monetary) For Period Credit ifrs-full:OtherCashPaymentsToAcquireInterestsInJointVenturesClassifiedAsInvestingActivities
951 Cash Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
952 Non-controlling interests Concept (Monetary) As Of Credit ifrs-full:NoncontrollingInterests
953 100950 - Disclosure - Subsidiaries with Non-controlling Interests - Financial Information of Significant Subsidiaries with Non-controlling Interests (Details) Network

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954 Disclosure Of Significant Investments In Subsidiaries [Table] Table

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ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesTable
955 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
956 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
957 Subsidiaries [member] Member ifrs-full:SubsidiariesMember
958 Subsidiaries [axis] Axis ifrs-full:SignificantInvestmentsInSubsidiariesAxis
959 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
960 Cronos Israel GS Cultivations Ltd [member] Member cron:CronosIsraelGSCultivationsLtdMember
961 Cronos Israel GS Manufacturing Ltd [member] Member cron:CronosIsraelGSManufacturingLtdMember
962 Disclosure Of Significant Investments In Subsidiaries [Line Items] LineItems ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesLineItems
963 Percentage interest held by non-controlling interests Concept (Percent) For Period ifrs-full:ProportionOfOwnershipInterestsHeldByNoncontrollingInterests
964 Current assets Concept (Monetary) As Of Debit ifrs-full:CurrentAssets
965 Non-current assets Concept (Monetary) As Of Debit ifrs-full:NoncurrentAssets
966 Current liabilities Concept (Monetary) As Of Credit ifrs-full:CurrentLiabilities
967 Non-current liabilities Concept (Monetary) As Of Credit ifrs-full:NoncurrentLiabilities
968 Retained earnings (accumulated deficit) Concept (Monetary) As Of Credit ifrs-full:RetainedEarnings
969 Shareholders' equity Abstract ifrs-full:EquityAbstract
970 Cronos Group Concept (Monetary) As Of Credit ifrs-full:EquityAttributableToOwnersOfParent
971 Non-controlling interests Concept (Monetary) As Of Credit ifrs-full:NoncontrollingInterests
972 Revenue Concept (Monetary) For Period Credit ifrs-full:Revenue
973 Net income (loss) Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
974 Net income (loss) attributable to: Abstract ifrs-full:ProfitLossAttributableToAbstract
975 Cronos Group Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToOwnersOfParent
976 Non-controlling interests Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToNoncontrollingInterests
977 Other comprehensive income (loss) Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncome
978 Comprehensive income (loss) attributable to: Abstract ifrs-full:ComprehensiveIncomeAttributableToAbstract
979 Cronos Group Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncomeAttributableToOwnersOfParent
980 Non-controlling interests Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncomeAttributableToNoncontrollingInterests
981 100960 - Disclosure - Subsidiaries with Non-controlling Interests - Financial Information of Material Subsidiaries with Non-controlling Interests - Parenthetical (Details) Network

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982 Disclosure Of Significant Investments In Subsidiaries [Table] Table

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983 Classes of financial liabilities [axis] Axis ifrs-full:ClassesOfFinancialLiabilitiesAxis
984 Financial liabilities, class [member] Member ifrs-full:FinancialLiabilitiesMember
985 Non Current Liabilities [member] Member cron:NonCurrentLiabilitiesMember
986 Components of equity [axis] Axis ifrs-full:ComponentsOfEquityAxis
987 Equity [member] Member ifrs-full:EquityMember
988 Unsecured [member] Member cron:UnsecuredMember
989 Disclosure Of Significant Investments In Subsidiaries [Line Items] LineItems ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesLineItems
990 Advances from non controlling interests Concept (Monetary) As Of Credit cron:AdvancesFromNonControllingInterests
991 Accrued interest Concept (Monetary) As Of Credit ifrs-full:InterestPayable
992 Borrowings interest rate Concept (Percent) As Of ifrs-full:BorrowingsInterestRate
993 100970 - Disclosure - Construction Loan Payable - Summary of Construction Loan Payable (Detail) Network

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994 Implied Table Table

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995 Disclosure Of Construction Loan Payable [Abstract] Abstract cron:DisclosureOfConstructionLoanPayableAbstract
996 Aggregate advances Concept (Monetary) As Of Credit cron:AggregateAdvancesOfFundsOnConstructionLoanPayable
997 Less: transaction costs (net of amortization) Concept (Monetary) As Of Debit cron:TransactionCostsRecordedAsDeductionFromLoanProceedsOnFinancialInstrumentsClassifiedAsAmortizedCost
998 Add: accrued interest Concept (Monetary) As Of Credit cron:InterestAccrualCapitalizedToConstructionInProgress
999 Construction loan payable, total Concept (Monetary) As Of Credit cron:ConstructionLoanPayable
1000 100980 - Disclosure - Construction Loan Payable - Additional Information (Detail) Network

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1001 Disclosure Of Construction Loan Payable [Table] Table

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cron:DisclosureOfConstructionLoanPayableTable
1002 Borrowings by name [axis] Axis ifrs-full:BorrowingsByNameAxis
1003 Borrowings by name [member] Member ifrs-full:BorrowingsByNameMember
1004 Peace Naturals [member] Member cron:PeaceNaturalsMember
1005 Legal Entity Axis dei:LegalEntityAxis
1006 Entity Member dei:EntityDomain
1007 Romspen Investment Corporation [member] Member cron:RomspenInvestmentCorporationMember
1008 Mortgage Loans On Real Estate Description Loan Category Axis us-gaap:MortgageLoansOnRealEstateDescriptionLoanCategoryAxis
1009 Mortgage Loans On Real Estate Loan Category Member us-gaap:MortgageLoansOnRealEstateLoanCategoryDomain
1010 Construction loans [member] Member us-gaap:ConstructionLoansMember
1011 Range [axis] Axis ifrs-full:RangeAxis
1012 Ranges [member] Member ifrs-full:RangesMember
1013 Top of Range [member] Member ifrs-full:TopOfRangeMember
1014 Bottom of Range [member] Member ifrs-full:BottomOfRangeMember
1015 Classes of property, plant and equipment [axis] Axis ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
1016 Property, plant and equipment [member] Member ifrs-full:PropertyPlantAndEquipmentMember
1017 Land [member] Member ifrs-full:LandMember
1018 Disclosure Of Construction Loan Payable [Line Items] LineItems cron:DisclosureOfConstructionLoanPayableLineItems
1019 Maximum amount of funds that could be drawn by the entity Concept (Monetary) As Of Credit cron:MaximumAmountOfFundsThatCouldBeDrawnByTheEntity
1020 Appraisal value of property Concept (Monetary) As Of Debit cron:CollateralValueOfResidentialProperties
1021 Borrowings interest rate Concept (Percent) As Of ifrs-full:BorrowingsInterestRate
1022 Term of loan Concept (Text/String) For Period ifrs-full:BorrowingsMaturity
1023 Book value of property pledged as guarantee Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipmentPledgedAsSecurity
1024 100990 - Disclosure - Share Capital - Additional Information (Detail) Network

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1025 Disclosure Of Classes Of Share Capital [Table] Table

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ifrs-full:DisclosureOfClassesOfShareCapitalTable
1026 Sale Of Stock Axis cron:SaleOfStockAxis
1027 Sale Of Stock Member cron:SaleOfStockDomain
1028 Deal offerings [member] Member cron:DealOfferingsMember
1029 Private placements [member] Member cron:PrivatePlacementsMember
1030 Components of equity [axis] Axis ifrs-full:ComponentsOfEquityAxis
1031 Equity [member] Member ifrs-full:EquityMember
1032 Issued capital [member] Member ifrs-full:IssuedCapitalMember
1033 Disclosure Of Classes Of Share Capital [Line Items] LineItems ifrs-full:DisclosureOfClassesOfShareCapitalLineItems
1034 Par value Concept (Share) As Of cron:ParValuePerShareCommonStock
1035 Number of shares issued Concept (Shares) As Of ifrs-full:NumberOfSharesIssued
1036 Proceeds from issue of ordinary shares Concept (Monetary) For Period Debit ifrs-full:ProceedsFromIssueOfOrdinaryShares
1037 101000 - Disclosure - Share-based Payments - Summary of Changes in Warrants (Detail) Network

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1038 Implied Table Table

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1039 Disclosure Of Terms And Conditions Of Sharebased Payment Arrangement [Abstract] Abstract ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementAbstract
1040 Weighted average exercise price, beginning balance Concept (Share) As Of cron:WeightedAverageExercisePriceOfWarrants
1041 Weighted average exercise price, exercise of warrants Concept (Share) For Period cron:WeightedAverageExercisePriceExerciseOfWarrants
1042 Weighted average exercise price, expiry of warrants Concept (Share) For Period cron:WeightedAverageExercisePriceExpiryOfWarrants
1043 Weighted average exercise price, ending balance Concept (Share) As Of cron:WeightedAverageExercisePriceOfWarrants
1044 Number of warrants, beginning balance Concept (Shares) As Of cron:NumberOfWarrantsOutstanding
1045 Number of warrants, exercise Concept (Shares) As Of cron:NumberOfWarrantsExercised
1046 Number of warrants, expiry Concept (Shares) For Period cron:NumberOfWarrantsExpiry
1047 Number of warrants, ending balance Concept (Shares) As Of cron:NumberOfWarrantsOutstanding
1048 Amount of warrants, beginning balance Concept (Monetary) As Of Credit cron:AmountOfWarrantsOutstandingReserved
1049 Amount of warrants, Exercise Concept (Monetary) For Period Debit cron:AmountOfWarrantsExercisedReserved
1050 Expiry of warrants Concept (Monetary) For Period Debit cron:NumberOfWarrantsExpiryAmount
1051 Amount of warrants, ending balance Concept (Monetary) As Of Credit cron:AmountOfWarrantsOutstandingReserved
1052 101010 - Disclosure - Share-based Payments - Summary of Outstanding Warrants (Detail) Network

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http://thecronosgroup.com/20181231/taxonomy/role/DisclosureShareBasedPaymentsSummaryOfOutstandingWarrantsDetail
1053 Disclosure Of Terms And Conditions Of Sharebased Payment Arrangement [Table] Table

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*

ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable
1054 Types of share-based payment arrangements [axis] Axis ifrs-full:TypesOfSharebasedPaymentArrangementsAxis
1055 Share-based payment arrangements [member] Member ifrs-full:SharebasedPaymentArrangementsMember
1056 Warrants Grant Date October Eight Two Thousand Fifteen To October Twenty Eight Two Thousand Fifteen [Member] Member cron:WarrantsGrantDateOctoberEightTwoThousandFifteenToOctoberTwentyEightTwoThousandFifteenMember
1057 Warrants Grant Date May Thirteen Two Thousand Sixteen To May Twenty Seven Two Thousand Sixteen [member] Member cron:WarrantsGrantDateMayThirteenTwoThousandSixteenToMayTwentySevenTwoThousandSixteenMember
1058 Disclosure of terms and conditions of share-based payment arrangement [line items] LineItems ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems
1059 Expiry date Concept (Text/String) For Period cron:ExpiryDateOfWarrants
1060 Number of warrants Concept (Shares) As Of cron:NumberOfWarrantsOutstanding
1061 Weighted average exercise price Concept (Share) As Of cron:WeightedAverageExercisePriceOfWarrants
1062 101020 - Disclosure - Share-based Payments - Additional Information (Detail) Network

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http://thecronosgroup.com/20181231/taxonomy/role/DisclosureShareBasedPaymentsAdditionalInformationDetail
1063 Disclosure Of Terms And Conditions Of Sharebased Payment Arrangement [Table] Table

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*

ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable
1064 Types of share-based payment arrangements [axis] Axis ifrs-full:TypesOfSharebasedPaymentArrangementsAxis
1065 Share-based payment arrangements [member] Member ifrs-full:SharebasedPaymentArrangementsMember
1066 2015 Stock option plan Member cron:TwoThousandAndFifteenStockOptionPlanMember
1067 Death, disability and Incapacity of Holder [member] Member cron:DeathDisabilityAndIncapacityOfHolderMember
1068 Disclosure of terms and conditions of share-based payment arrangement [line items] LineItems ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems
1069 Number Of Share Options Granted In Sharebased Payment Arrangement Concept (Decimal) For Period ifrs-full:NumberOfShareOptionsGrantedInSharebasedPaymentArrangement
1070 Weighted Average Share Price Concept (Monetary) For Period ifrs-full:WeightedAverageSharePrice
1071 Vesting description Concept (Text/String) For Period ifrs-full:DescriptionOfVestingRequirementsForSharebasedPaymentArrangement
1072 Options expire period Concept (xbrli:durationItemType) For Period cron:ShareBasedPaymentArrangementShareOptionsExpiryPeriod
1073 Weighted average exercise price of options outstanding Concept (Monetary) As Of ifrs-full:WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement
1074 Weighted average exercise price of options exercisable Concept (Monetary) As Of ifrs-full:WeightedAverageExercisePriceOfShareOptionsExercisableInSharebasedPaymentArrangement
1075 101030 - Disclosure - Share-based payments - Summary of Changes in Options (Detail) Network

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http://thecronosgroup.com/20181231/taxonomy/role/DisclosureShareBasedPaymentsSummaryOfChangesInOptionsDetail
1076 Implied Table Table

*

*

implied:Table
1077 Disclosure Of Terms And Conditions Of Sharebased Payment Arrangement [Abstract] Abstract ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementAbstract
1078 Weighted average exercise price, Beginning balance Concept (Monetary) As Of ifrs-full:WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement
1079 Weighted average exercise price, Issuance of options Concept (Monetary) For Period ifrs-full:WeightedAverageExercisePriceOfShareOptionsGrantedInSharebasedPaymentArrangement
1080 Weighted average exercise price, Exercise of options Concept (Monetary) For Period ifrs-full:WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement
1081 Weighted average exercise price, Cancellation of warrants Concept (Monetary) For Period ifrs-full:WeightedAverageExercisePriceOfShareOptionsForfeitedInSharebasedPaymentArrangement
1082 Weighted average exercise price, Vesting of issued options Concept (Monetary) As Of ifrs-full:WeightedAverageExercisePriceOfShareOptionsExercisableInSharebasedPaymentArrangement
1083 Weighted average exercise price, Ending balance Concept (Monetary) As Of ifrs-full:WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement
1084 Number of options, Beginning balance Concept (Decimal) As Of ifrs-full:NumberOfOutstandingShareOptions
1085 Number of options, Issuance of options Concept (Decimal) For Period ifrs-full:NumberOfShareOptionsGrantedInSharebasedPaymentArrangement
1086 Number of options, Exercise of options Concept (Decimal) For Period ifrs-full:NumberOfShareOptionsExercisedInSharebasedPaymentArrangement
1087 Number of options, cancellation of warrants options Concept (Decimal) For Period ifrs-full:NumberOfShareOptionsForfeitedInSharebasedPaymentArrangement
1088 Number of options, Vesting of issued options Concept (Decimal) As Of ifrs-full:NumberOfShareOptionsExercisableInSharebasedPaymentArrangement
1089 Number of options, Ending balance Concept (Decimal) As Of ifrs-full:NumberOfOutstandingShareOptions
1090 Share options, Beginning balance Concept (Monetary) As Of Credit ifrs-full:ReserveOfSharebasedPayments
1091 Share options, Issuance of options Concept (Monetary) For Period cron:ShareOptionsGrantedInSharebasedPaymentArrangementValue
1092 Share options, Exercise of options Concept (Monetary) For Period cron:ShareOptionsExercisedInSharebasedPaymentArrangementValue
1093 Share options, Cancellation of warrants Concept (Monetary) For Period cron:ShareOptionsExpiredInSharebasedPaymentArrangementValue
1094 Share options, Vesting of issued options Concept (Monetary) For Period cron:ShareOptionsVestedInSharebasedPaymentArrangementValue
1095 Share options, Ending balance Concept (Monetary) As Of Credit ifrs-full:ReserveOfSharebasedPayments
1096 101040 - Disclosure - Share-based Payments - Summary of Outstanding and Exercisable Options (Detail) Network

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1097 Disclosure Of Terms And Conditions Of Sharebased Payment Arrangement [Table] Table

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*

ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable
1098 Types of share-based payment arrangements [axis] Axis ifrs-full:TypesOfSharebasedPaymentArrangementsAxis
1099 Share-based payment arrangements [member] Member ifrs-full:SharebasedPaymentArrangementsMember
1100 August 5, 2016 [Member] Member cron:OptionsGrantDateOneMember
1101 October 6, 2016 [Member] Member cron:OptionsGrantDateTwoMember
1102 November 21, 2016 [Member] Member cron:OptionsGrantDateThreeMember
1103 April 12, 2017 [Member] Member cron:OptionsGrantDateFourMember
1104 August 23, 2017 [Member] Member cron:OptionsGrantDateFiveMember
1105 November 9, 2017 [member] Member cron:OptionsGrantDateSixMember
1106 January 30, 2018 [Member] Member cron:OptionsGrantDateSevenMember
1107 January 31, 2018 [Member] Member cron:OptionsGrantDateEightMember
1108 May 18, 2018 [Member] Member cron:OptionsGrantDateNineMember
1109 June 28, 2018 [Member] Member cron:OptionsGrantDateTenMember
1110 September 13, 2018 [Member] Member cron:OptionsGrantDateElevenMember
1111 October 12, 2018 [Member] Member cron:OptionsGrantDateTwelveMember
1112 December 14, 2018 [Member] Member cron:OptionsGrantDateThirteenMember
1113 Disclosure of terms and conditions of share-based payment arrangement [line items] LineItems ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems
1114 Vested terms of options Concept (Text/String) For Period cron:VestedOptionsTermPeriod
1115 Expiry date Concept (Text/String) For Period cron:DateOfExpiryOfSharebasedPaymentArrangement
1116 Number of options Concept (Decimal) As Of ifrs-full:NumberOfOutstandingShareOptions
1117 Weighted average,Exercise price Concept (Monetary) As Of ifrs-full:WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement
1118 Weighted average,Remaining contractual life (years) Concept (Decimal) As Of ifrs-full:WeightedAverageRemainingContractualLifeOfOutstandingShareOptions
1119 Expiry date Concept (Text/String) For Period ifrs-full:DateOfGrantOfSharebasedPaymentArrangement
1120 Number of options, Vesting of issued options Concept (Decimal) As Of ifrs-full:NumberOfShareOptionsExercisableInSharebasedPaymentArrangement
1121 Weighted average exercise price, Vesting of issued options Concept (Monetary) As Of ifrs-full:WeightedAverageExercisePriceOfShareOptionsExercisableInSharebasedPaymentArrangement
1122 Weighted average remaining contractual life (years), Exercisable Concept (Decimal) As Of cron:WeightedAverageRemainingContractualLifeOfOutstandingShareOptionsExercisable
1123 101050 - Disclosure - Share-based Payments - Summary of Fair Value of Options (Detail) Network

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http://thecronosgroup.com/20181231/taxonomy/role/DisclosureShareBasedPaymentsSummaryOfFairValueOfOptionsDetail
1124 Weighted Average Assumptions Used To Estimate Fair Value Of Outstanding Stock Options [Table] Table

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*

cron:WeightedAverageAssumptionsUsedToEstimateFairValueOfOutstandingStockOptionsTable
1125 Range [axis] Axis ifrs-full:RangeAxis
1126 Ranges [member] Member ifrs-full:RangesMember
1127 Bottom of Range [member] Member ifrs-full:BottomOfRangeMember
1128 Top of Range [member] Member ifrs-full:TopOfRangeMember
1129 Disclosure Of Assumptions Used To Estimate Fair Value Of Stock Options [Line Items] LineItems cron:DisclosureOfAssumptionsUsedToEstimateFairValueOfStockOptionsLineItems
1130 Share price Concept (Monetary) For Period ifrs-full:WeightedAverageSharePrice
1131 Exercise price (per option) Concept (Monetary) For Period ifrs-full:ExercisePriceShareOptionsGranted
1132 Risk-free interest rate Concept (Percent) For Period ifrs-full:DescriptionOfRiskFreeInterestRateShareOptionsGranted
1133 Expected life of options (in years) Concept (Decimal) For Period ifrs-full:DescriptionOfOptionLifeShareOptionsGranted
1134 Expected annualized volatility Concept (Percent) For Period ifrs-full:DescriptionOfExpectedVolatilityShareOptionsGranted
1135 Expected dividend yield Concept (Percent) For Period ifrs-full:ExpectedDividendAsPercentageShareOptionsGranted
1136 Weighted average Black-Scholes value at grant date (per option) Concept (Monetary) For Period ifrs-full:WeightedAverageSharePriceShareOptionsGranted
1137 101060 - Disclosure - Revenue from Contracts with Customers - Summary of Disaggregation of Revenue from Contracts with Customers (Details) Network

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http://thecronosgroup.com/20181231/taxonomy/role/DisclosureRevenueFromContractsWithCustomersSummaryOfDisaggregationOfRevenueFromContractsWithCustomersDetails
1138 Disclosure Of Disaggregation Of Revenue From Contracts With Customers [Table] Table

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*

ifrs-full:DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersTable
1139 Geographical areas [axis] Axis ifrs-full:GeographicalAreasAxis
1140 Geographical areas [member] Member ifrs-full:GeographicalAreasMember
1141 Canadian [member] Member ifrs-full:CountryOfDomicileMember
1142 International [member] Member ifrs-full:ForeignCountriesMember
1143 Products and services [axis] Axis ifrs-full:ProductsAndServicesAxis
1144 Products and services [member] Member ifrs-full:ProductsAndServicesMember
1145 Dry cannabis [member] Member cron:DryCannabisMember
1146 Cannabis oils [member] Member cron:CannabisOilsMember
1147 Other [member] Member cron:OtherProductsMember
1148 Disclosure Of Disaggregation Of Revenue From Contracts With Customers [Line Items] LineItems ifrs-full:DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersLineItems
1149 Total gross revenue from contracts with customers Concept (Monetary) For Period Credit ifrs-full:RevenueFromContractsWithCustomers
1150 101070 - Disclosure - Revenue from Contracts with Customers - Additional Information (Details) Network

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*

http://thecronosgroup.com/20181231/taxonomy/role/DisclosureRevenueFromContractsWithCustomersAdditionalInformationDetails
1151 Disclosure Of Major Customers [Table] Table

*

*

ifrs-full:DisclosureOfMajorCustomersTable
1152 Type of measurement of expected credit losses [axis] Axis ifrs-full:TypeOfMeasurementOfExpectedCreditLossesAxis
1153 Type of measurement of expected credit losses [member] Member ifrs-full:TypeOfMeasurementOfExpectedCreditLossesMember
1154 Expected credit losses [member] Member ifrs-full:TwelvemonthExpectedCreditLossesMember
1155 Major customers [axis] Axis ifrs-full:MajorCustomersAxis
1156 Customers [member] Member ifrs-full:MajorCustomersMember
1157 Major customer one [memer] Member cron:MajorCustomerOneMember
1158 Major customer two [member] Member cron:MajorCustomerTwoMember
1159 Disclosure Of Major Customers [Line Items] LineItems ifrs-full:DisclosureOfMajorCustomersLineItems
1160 Number of customers Concept (Integer) For Period cron:NumberOfMajorCustomers
1161 Total gross revenue from contracts with customers Concept (Monetary) For Period Credit ifrs-full:RevenueFromContractsWithCustomers
1162 Expected credit losses on receivables from contract with customers Concept (Monetary) As Of Debit cron:ExpectedCreditLossesOnReceivablesFromContractWithCustomers
1163 101080 - Disclosure - Earnings (Loss) Per Share - Summary of Basic and Diluted Earnings (Loss) Per Share (Detail) Network

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http://thecronosgroup.com/20181231/taxonomy/role/DisclosureEarningsLossPerShareSummaryOfBasicAndDilutedEarningsLossPerShareDetail
1164 Implied Table Table

*

*

implied:Table
1165 Earnings Per Share [Abstract] Abstract ifrs-full:EarningsPerShareAbstract
1166 Numerator Abstract cron:NumeratorComputationOfBasicAndDilutedEarningsPerShareAbstract
1167 Net income (loss) attributable to common shareholders of Cronos Group Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToOwnersOfParent
1168 Net income (loss) used in the computation of basic and diluted income (loss) per share Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntity
1169 Denominator Abstract cron:DenominatorComputationOfBasicAndDilutedEarningsPerShareAbstract
1170 Weighted average number of common shares outstanding for computation of basic income (loss) per share Concept (Shares) For Period ifrs-full:WeightedAverageShares
1171 Dilutive effect of warrants Concept (Shares) For Period cron:DilutiveEffectOfShareWarrantsOnNumberOfOrdinaryShares
1172 Dilutive effect of options and share appreciation rights Concept (Shares) For Period cron:DilutiveEffectOfShareOptionsAndShareAppreciationRightsOnNumberOfOrdinaryShares
1173 Weighted average number of common shares for computation of diluted income (loss) per share Concept (Shares) For Period ifrs-full:AdjustedWeightedAverageShares
1174 101090 - Disclosure - Related Party Transactions and Balances - Summary of Key Management Personnel (Detail) Network

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http://thecronosgroup.com/20181231/taxonomy/role/DisclosureRelatedPartyTransactionsAndBalancesSummaryOfKeyManagementPersonnelDetail
1175 Implied Table Table

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*

implied:Table
1176 Disclosure Of Transactions Between Related Parties [Abstract] Abstract ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesAbstract
1177 Short-term employee benefits, including salaries and fees Concept (Monetary) For Period Debit ifrs-full:KeyManagementPersonnelCompensationShorttermEmployeeBenefits
1178 Professional fees Concept (Monetary) For Period Debit cron:KeyManagementPersonnelCompensationProfessionalFees
1179 Share-based payments Concept (Monetary) For Period Debit ifrs-full:KeyManagementPersonnelCompensationSharebasedPayment
1180 Total compensation Concept (Monetary) For Period Debit ifrs-full:KeyManagementPersonnelCompensation
1181 101100 - Disclosure - Related Party Transactions and Balances - Additional Information (Detail) Network

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*

http://thecronosgroup.com/20181231/taxonomy/role/DisclosureRelatedPartyTransactionsAndBalancesAdditionalInformationDetail
1182 Disclosure Of Transactions Between Related Parties [Table] Table

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*

ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesTable
1183 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
1184 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
1185 Members of key management [member] Member ifrs-full:KeyManagementPersonnelOfEntityOrParentMember
1186 Board of director [member] Member cron:BoardOfDirectorMember
1187 Disclosure Of Transactions Between Related Parties [Line Items] LineItems ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesLineItems
1188 Number of options issued Concept (Decimal) For Period ifrs-full:NumberOfShareOptionsGrantedInSharebasedPaymentArrangement
1189 Balance payable to key management Concept (Monetary) As Of Credit ifrs-full:AmountsPayableRelatedPartyTransactions
1190 Share-based compensation expense Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughSharebasedPaymentTransactions
1191 101110 - Disclosure - Commitments and contingencies - Summary of Minimum Payments Under Operating Lease Obligations for Its Premises Due in Future Fiscal Years (Detail) Network

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http://thecronosgroup.com/20181231/taxonomy/role/DisclosureCommitmentsAndContingenciesSummaryOfMinimumPaymentsUnderOperatingLeaseObligationsForItsPremisesDueInFutureFiscalYearsDetail
1192 Disclosure Of Maturity Analysis Of Operating Lease Payments [Table] Table

*

*

ifrs-full:DisclosureOfMaturityAnalysisOfOperatingLeasePaymentsTable
1193 Maturity [axis] Axis ifrs-full:MaturityAxis
1194 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
1195 2019 [member] Member ifrs-full:NotLaterThanOneYearMember
1196 2020 [member] Member ifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMember
1197 2021 [member] Member ifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMember
1198 2022 [member] Member ifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMember
1199 2023 [member] Member ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMember
1200 Later Than Five Years And Thereafter [Member] Member cron:LaterThanFiveYearsAndThereafterMember
1201 Disclosure of maturity analysis of operating lease payments [line items] LineItems ifrs-full:DisclosureOfMaturityAnalysisOfOperatingLeasePaymentsLineItems
1202 Minimum operating lease obligations Concept (Monetary) As Of Credit ifrs-full:MinimumLeasePaymentsPayableUnderNoncancellableOperatingLease
1203 101120 - Disclosure - Commitments and contingencies - Additional Information (Detail) Network

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*

http://thecronosgroup.com/20181231/taxonomy/role/DisclosureCommitmentsAndContingenciesAdditionalInformationDetail
1204 Disclosure Of Contingent Liabilities [Table] Table

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*

ifrs-full:DisclosureOfContingentLiabilitiesTable
1205 Range [axis] Axis ifrs-full:RangeAxis
1206 Ranges [member] Member ifrs-full:RangesMember
1207 Top of Range [member] Member ifrs-full:TopOfRangeMember
1208 Bottom of Range [member] Member ifrs-full:BottomOfRangeMember
1209 Counterparties [axis] Axis ifrs-full:CounterpartiesAxis
1210 Counterparties [member] Member ifrs-full:CounterpartiesMember
1211 Research and Development Agreement [member] Member cron:ResearchAndDevelopmentAgreementMember
1212 Classes of liabilities [axis] Axis ifrs-full:ClassesOfLiabilitiesAxis
1213 Liabilities [member] Member ifrs-full:LiabilitiesMember
1214 Ginkgo Bioworks Inc. [member] Member cron:GinkgoBioworksIncMember
1215 Technion [member] Member cron:TechnionMember
1216 MedCann Access Acquisition Claim [member] Member cron:MedcannAccessAcquisitionClaimMember
1217 Warrants Claim Member cron:WarrantsClaimMember
1218 Former employees' unlawful termination claims [member] Member cron:FormerEmployeesUnlawfulTerminationClaimsMember
1219 Subsidiaries [axis] Axis ifrs-full:SignificantInvestmentsInSubsidiariesAxis
1220 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
1221 Peace Naturals [member] Member cron:PeaceNaturalsMember
1222 Disclosure Of Contingent Liabilities [Line Items] LineItems ifrs-full:DisclosureOfContingentLiabilitiesLineItems
1223 Number of common shares issuable Concept (Shares) As Of cron:NumberOfOrdinarySharesIssuable
1224 Aggregate value of shares issuable Concept (Monetary) As Of Credit cron:ValueOfOrdinarySharesIssuable
1225 Milestones Payment Concept (Monetary) For Period Debit cron:MilestonesPayment
1226 Research fund Concept (Monetary) For Period Debit ifrs-full:ResearchAndDevelopmentExpense
1227 Research funding commitment period Concept (xbrli:durationItemType) For Period cron:ResearchFundingCommitmentPeriod
1228 Cash payments Concept (Monetary) For Period Credit ifrs-full:PaymentsForDevelopmentProjectExpenditure
1229 Claims related to contingencies Concept (Monetary) As Of cron:MaximumPotentialValueOfClaim
1230 Provision for loss recognized Concept (Monetary) As Of Credit cron:ProvisionForLossRecognized
1231 Claim related contingencies to related party Concept (Monetary) As Of Debit cron:ClaimRelatedContingenciesToRelatedParty
1232 Number of options claimed Concept (Shares) For Period cron:NumberOfShareOptionsClaimed
1233 Percentage of equity interest claimed Concept (Percent) For Period cron:PercentageOfEquityInterest
1234 101130 - Disclosure - Income Taxes - Components of Tax Provision (Detail) Network

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http://thecronosgroup.com/20181231/taxonomy/role/DisclosureIncomeTaxesComponentsOfTaxProvisionDetail
1235 Implied Table Table

*

*

implied:Table
1236 Major Components Of Tax Expense Income [Abstract] Abstract ifrs-full:MajorComponentsOfTaxExpenseIncomeAbstract
1237 Current Concept (Monetary) For Period Debit ifrs-full:CurrentTaxExpenseIncome
1238 Deferred Concept (Monetary) For Period Debit ifrs-full:DeferredTaxExpenseIncome
1239 Tax provision Concept (Monetary) For Period Debit ifrs-full:IncomeTaxExpenseContinuingOperations
1240 101140 - Disclosure - Income Taxes - Additional Information (Detail) Network

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http://thecronosgroup.com/20181231/taxonomy/role/DisclosureIncomeTaxesAdditionalInformationDetail
1241 Implied Table Table

*

*

implied:Table
1242 Income Tax Expense Benefits [Abstract] Abstract cron:IncomeTaxExpenseBenefitsAbstract
1243 Combined statutory tax rate Concept (Percent) For Period ifrs-full:ApplicableTaxRate
1244 101150 - Disclosure - Income Taxes - Reconciliation of Combined Canadian Federal and Provincial Statutory Income Tax Rate to Effective Tax Rate (Detail) Network

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http://thecronosgroup.com/20181231/taxonomy/role/DisclosureIncomeTaxesReconciliationOfCombinedCanadianFederalAndProvincialStatutoryIncomeTaxRateToEffectiveTaxRateDetail
1245 Implied Table Table

*

*

implied:Table
1246 Income Tax Expense Benefits [Abstract] Abstract cron:IncomeTaxExpenseBenefitsAbstract
1247 Income (loss) before income taxes Concept (Monetary) For Period Credit ifrs-full:AccountingProfit
1248 Combined statutory tax rate Concept (Percent) For Period ifrs-full:ApplicableTaxRate
1249 Theoretical tax expense (recovery) Concept (Monetary) For Period Debit ifrs-full:TaxExpenseIncomeAtApplicableTaxRate
1250 Share-based payments Concept (Monetary) For Period Debit cron:TaxExpenseFromSharebasedPaymentTransactions
1251 Meals and entertainment Concept (Monetary) For Period Debit cron:NondeductibleTaxExpenseFromMealsAndEntertainment
1252 Non-taxable portion of capital gains Concept (Monetary) For Period Credit ifrs-full:TaxEffectOfRevenuesExemptFromTaxation2011
1253 Effect of provincial tax rate difference Concept (Monetary) For Period Debit ifrs-full:TaxEffectFromChangeInTaxRate
1254 Changes in unrecognized deferred tax assets Concept (Monetary) For Period Debit cron:ChangesInUnrecognizedDeferredTaxAssets
1255 Tax provision Concept (Monetary) For Period Debit ifrs-full:IncomeTaxExpenseContinuingOperations
1256 101160 - Disclosure - Income Taxes - Summary of Components of Deferred Tax (Detail) Network

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http://thecronosgroup.com/20181231/taxonomy/role/DisclosureIncomeTaxesSummaryOfComponentsOfDeferredTaxDetail
1257 Disclosure Of Temporary Difference Unused Tax Losses And Unused Tax Credits [Table] Table

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*

ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable
1258 Temporary difference, unused tax losses and unused tax credits [axis] Axis ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis
1259 Temporary difference, unused tax losses and unused tax credits [member] Member ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember
1260 Non-capital losses carried forward [member] Member cron:NoncapitalLossCarryforwardsMember
1261 Financing Fees [Member] Member cron:FinancingFeesMember
1262 SR&ED [member] Member cron:ScientificResearchAndExperimentalDevelopmentTaxCreditMember
1263 Finance Lease Obligation [Member] Member cron:FinanceLeaseObligationMember
1264 Provisions [member] Member cron:ProvisionsMember
1265 Biological assets [member] Member ifrs-full:BiologicalAssetsMember
1266 inventory [member] Member cron:InventoryMember
1267 Investments in Equity Accounted Investees [member] Member cron:InvestmentsInEquityAccountedInvesteesMember
1268 Other Investments [member] Member cron:OtherInvestmentMember
1269 Property, plant and equipments [member] Member cron:PropertyPlantAndEquipmentsMember
1270 Intangible assets [member] Member ifrs-full:IntangibleAssetsOtherThanGoodwillMember
1271 Disclosure of temporary difference, unused tax losses and unused tax credits [line items] LineItems ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems
1272 Deferred tax assets Abstract cron:DeferredTaxAssetsAbstract
1273 Deferred tax assets Concept (Monetary) As Of Debit ifrs-full:DeferredTaxAssets
1274 Deferred tax liabilities Abstract cron:DeferredTaxLiabilities1Abstract
1275 Deferred tax liabilities Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilities
1276 Net deferred tax liability Concept (Monetary) As Of Credit ifrs-full:NetDeferredTaxLiabilities
1277 101170 - Disclosure - Income Taxes - Summary of Changes in Net Deferred Tax Liability (Detail) Network

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http://thecronosgroup.com/20181231/taxonomy/role/DisclosureIncomeTaxesSummaryOfChangesInNetDeferredTaxLiabilityDetail
1278 Implied Table Table

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implied:Table
1279 Disclosure Of Temporary Difference Unused Tax Losses And Unused Tax Credits [Abstract] Abstract ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAbstract
1280 Balance - beginning of year Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilityAsset
1281 Recognized in income Concept (Monetary) For Period ifrs-full:DeferredTaxExpenseIncomeRecognisedInProfitOrLoss
1282 Recognized in other comprehensive income Concept (Monetary) For Period ifrs-full:IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome
1283 Balance - end of year Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilityAsset
1284 101180 - Disclosure - Income Taxes - Summary of Net Deferred Tax Asset Not Recognized (Detail) Network

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1285 Disclosure Of Temporary Difference Unused Tax Losses And Unused Tax Credits [Table] Table

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*

ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable
1286 Temporary difference, unused tax losses and unused tax credits [axis] Axis ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis
1287 Temporary difference, unused tax losses and unused tax credits [member] Member ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember
1288 Property, plant and equipment [member] Member cron:TemporaryDifferencesRelatedToPropertyPlantAndEquipmentMember
1289 Share and debt issuance costs [member] Member cron:ShareAndDebtIssuanceCostsMember
1290 Losses carried forward [member] Member cron:TaxLossesCarriedForwardMember
1291 Equity accounted investments [member] Member cron:EquityAccountedInvestmentsMember
1292 Disclosure of temporary difference, unused tax losses and unused tax credits [line items] LineItems ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems
1293 Net deferred tax asset not recognized Concept (Monetary) As Of ifrs-full:DeductibleTemporaryDifferencesForWhichNoDeferredTaxAssetIsRecognised
1294 101190 - Disclosure - Income Taxes - Summary of non-capital losses carried forward from current and prior years (Detail) Network

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http://thecronosgroup.com/20181231/taxonomy/role/DisclosureIncomeTaxesSummaryOfNonCapitalLossesCarriedForwardFromCurrentAndPriorYearsDetail
1295 Disclosure Of Temporary Difference Unused Tax Losses And Unused Tax Credits [Table] Table

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*

ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable
1296 Temporary difference, unused tax losses and unused tax credits [axis] Axis ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis
1297 Temporary difference, unused tax losses and unused tax credits [member] Member ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember
1298 Unused tax losses [member] Member ifrs-full:UnusedTaxLossesMember
1299 Maturity [axis] Axis ifrs-full:MaturityAxis
1300 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
1301 2030 [member] Member cron:ExpireInTwoThousandAndThirtyMember
1302 2031 [member] Member cron:ExpireInTwoThousandAndThirtyOneMember
1303 2032 [member] Member cron:ExpireInTwoThousandAndThirtyTwoMember
1304 2033 [member] Member cron:ExpireInTwoThousandAndThirtyThreeMember
1305 2034 [member] Member cron:ExpireInTwoThousandAndThirtyFourMember
1306 2035 [member] Member cron:ExpireInTwoThousandAndThirtyFiveMember
1307 2036 [member] Member cron:ExpireInTwoThousandAndThirtySixMember
1308 2037 [member] Member cron:ExpireIntwothousandAndThirtySevenMember
1309 2038 [member] Member cron:ExpireInTwoThousandAndThirtyEightMember
1310 Disclosure of temporary difference, unused tax losses and unused tax credits [line items] LineItems ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems
1311 Unused non-capital and farm losses Concept (Monetary) For Period cron:UnusedNonCapitalAndFarmLosses
1312 101200 - Disclosure - Operating Segment Information - Additional Information (Detail) Network

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*

http://thecronosgroup.com/20181231/taxonomy/role/DisclosureOperatingSegmentInformationAdditionalInformationDetail
1313 Implied Table Table

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*

implied:Table
1314 Disclosure Of Operating Segments [Abstract] Abstract ifrs-full:DisclosureOfOperatingSegmentsAbstract
1315 Number of operating segments Concept (Integer) For Period cron:NumberOfOperatingSegments1
1316 101210 - Disclosure - Operating Segment Information - Detailed Report of Segments (Detail) Network

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*

http://thecronosgroup.com/20181231/taxonomy/role/DisclosureOperatingSegmentInformationDetailedReportOfSegmentsDetail
1317 Disclosure Of Operating Segments [Table] Table

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*

ifrs-full:DisclosureOfOperatingSegmentsTable
1318 Segment consolidation items [axis] Axis ifrs-full:SegmentConsolidationItemsAxis
1319 Entity's total for segment consolidation items [member] Member ifrs-full:EntitysTotalForSegmentConsolidationItemsMember
1320 Operating Segments [member] Member ifrs-full:OperatingSegmentsMember
1321 Inter-segment elimination [member] Member ifrs-full:EliminationOfIntersegmentAmountsMember
1322 Segments [axis] Axis ifrs-full:SegmentsAxis
1323 Segments [member] Member ifrs-full:SegmentsMember
1324 Investing segment [member] Member cron:InvestingSegmentMember
1325 Operating segment [member] Member cron:OperatingSegmentMember
1326 Disclosure of operating segments [line items] LineItems ifrs-full:DisclosureOfOperatingSegmentsLineItems
1327 Gross revenue Concept (Monetary) For Period Credit cron:RevenueGross
1328 Share of income (loss) from investments in equity accounted investees Concept (Monetary) For Period Credit ifrs-full:ShareOfProfitLossOfContinuingOperationsOfAssociatesAndJointVenturesAccountedForUsingEquityMethod
1329 Unrealized change in fair value of biological assets (Note 6) Concept (Monetary) For Period ifrs-full:GainsLossesOnFairValueAdjustmentBiologicalAssets
1330 Cost of sales before fair value adjustments (Note 6) Concept (Monetary) For Period Debit cron:CostOfSalesBeforeFairValueAdjustments
1331 Realized fair value adjustments on inventory sold in the year (Note 6) Concept (Monetary) For Period Credit cron:RealizedFairValueAdjustmentsOnInventorySold
1332 Gain on other investments Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnDisposalsOfInvestments
1333 Intercompany revenue Concept (Monetary) For Period Credit cron:IntercompanyRevenue
1334 Share-based payments Concept (Monetary) For Period Debit cron:ExpenseFromShareBasedPaymentTransactionsWithEmployeesAndNonemployees
1335 Interest expense Concept (Monetary) For Period Debit ifrs-full:InterestExpense
1336 Depreciation and amortization Concept (Monetary) For Period Debit ifrs-full:DepreciationAndAmortisationExpense
1337 Net income (loss) Concept (Monetary) For Period Credit ifrs-full:ProfitLossFromContinuingOperations
1338 Total assets Concept (Monetary) As Of Debit ifrs-full:Assets
1339 Total liabilities Concept (Monetary) As Of Credit ifrs-full:Liabilities
1340 Shareholders' equity Concept (Monetary) As Of Credit ifrs-full:Equity
1341 Property, plant and equipment Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipment
1342 Additions to property, plant and equipment Concept (Monetary) For Period Debit ifrs-full:AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment
1343 101220 - Disclosure - Supplementary Cash Flow Information - Summary of Changes in Non-Cash Working Capital (Detail) Network

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*

http://thecronosgroup.com/20181231/taxonomy/role/DisclosureSupplementaryCashFlowInformationSummaryOfChangesInNonCashWorkingCapitalDetail
1344 Implied Table Table

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*

implied:Table
1345 Statement Of Cash Flows [Abstract] Abstract ifrs-full:StatementOfCashFlowsAbstract
1346 Changes in non-cash working capital items [Abstract] Abstract ifrs-full:AdjustmentsForReconcileProfitLossAbstract
1347 Accounts receivable Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForDecreaseIncreaseInTradeAccountReceivable
1348 Sales taxes receivable Concept (Monetary) For Period Debit cron:AdjustmentsForDecreaseIncreaseInSalesTaxReceivable
1349 Prepaids and other receivables Concept (Monetary) For Period Debit cron:AdjustmentsForIncreaseDecreaseInPrepaymentsAndOtherReceivables
1350 Biological assets Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForDecreaseIncreaseInBiologicalAssets
1351 Inventory Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForDecreaseIncreaseInInventories
1352 Accounts payable and other liabilities Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForIncreaseDecreaseInTradeAndOtherPayables
1353 Holdbacks payable Concept (Monetary) For Period Debit cron:AdjustmentsForHoldbacksPayable
1354 Government remittances payable Concept (Monetary) For Period Debit cron:AdjustmentsForDecreaseIncreaseInGovernmentRemittancesPayable
1355 Net changes in non-cash working capital Concept (Monetary) For Period Debit cron:AdjustmentsForDecreaseIncreaseInNoncashWorkingCapitalToReconcileProfitLoss
1356 101230 - Disclosure - Financial Instruments - Additional Information (Detail) Network

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*

http://thecronosgroup.com/20181231/taxonomy/role/DisclosureFinancialInstrumentsAdditionalInformationDetail
1357 Disclosure Of Financial Instruments [Table] Table

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*

ifrs-full:DisclosureOfFinancialInstrumentsTable
1358 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
1359 Risks [member] Member ifrs-full:TypesOfRisksMember
1360 Credit risk [member] Member ifrs-full:CreditRiskMember
1361 Liquidity risk [member] Member ifrs-full:LiquidityRiskMember
1362 Currency risk [member] Member ifrs-full:CurrencyRiskMember
1363 Disclosure Of Financial Instruments [Line Items] LineItems ifrs-full:DisclosureOfFinancialInstrumentsLineItems
1364 Maximum exposure to credit risk Concept (Monetary) As Of ifrs-full:MaximumExposureToCreditRisk
1365 Credit loss allowance Concept (Monetary) As Of Credit ifrs-full:AllowanceAccountForCreditLossesOfFinancialAssets
1366 Description of concentrations of risk Concept (Text/String) For Period ifrs-full:ConcentrationsOfRisk
1367 Concentrations of credit risk Concept (Percent) For Period cron:ConcentrationRisksPercentage
1368 Number Of Customers Concept (Integer) For Period cron:NumberOfCustomers
1369 Cash held Concept (Monetary) As Of Debit ifrs-full:Cash
1370 Payables Concept (Percent) For Period cron:PercentageOfTradePayables
1371 Number Of Vendors Concept (Integer) For Period cron:NumberOfVendors
1372 Increase the net loss due to currency transation Concept (Monetary) For Period Credit cron:EffectOfChangesInForeignExchangeRatesOnNetIncomeOrLosses
1373 Decrease in other comprehensive income Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeBeforeTaxExchangeDifferencesOnTranslation
1374 Decrease in foreign currency exchange rate percentage Concept (Percent) For Period cron:DecreaseInForeignCurrencyExchangeRatePercentage
1375 Increase in foreign currency exchange rate percentage Concept (Percent) For Period cron:IncreaseInForeignCurrencyExchangeRatePercentage
1376 101240 - Disclosure - Financial Instruments - Summary of Maturity Analysis of Trade Receivables (Detail) Network

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http://thecronosgroup.com/20181231/taxonomy/role/DisclosureFinancialInstrumentsSummaryOfMaturityAnalysisOfTradeReceivablesDetail
1377 Disclosure Of Financial Instruments [Table] Table

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*

ifrs-full:DisclosureOfFinancialInstrumentsTable
1378 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
1379 Risks [member] Member ifrs-full:TypesOfRisksMember
1380 Credit risk [member] Member ifrs-full:CreditRiskMember
1381 Past due status [axis] Axis ifrs-full:PastDueStatusAxis
1382 Past due status [member] Member ifrs-full:PastDueStatusMember
1383 Less than 30 days past billing date [member] Member cron:LessThanThirtyDaysPastBillingDateMember
1384 31 to 60 days past billing date [member] Member cron:LaterThanThirtyOneDaysAndNotLaterThanSixtyDaysPastBillingDateMember
1385 61 to 90 days past billing date [member] Member cron:LaterThanSixtyOneDaysAndNotLaterThanNinetyDaysPastBillingDateMember
1386 91 to 120 days past billing date [member] Member cron:LaterThanNinetyOneDaysAndNotLaterThanOneTwentyDaysPastBillingDateMember
1387 Over 120 days past billing date [member] Member cron:OverOneTwentyDaysPastBillingDateMember
1388 Range [axis] Axis ifrs-full:RangeAxis
1389 Ranges [member] Member ifrs-full:RangesMember
1390 Bottom of Range [member] Member ifrs-full:BottomOfRangeMember
1391 Top of Range [member] Member ifrs-full:TopOfRangeMember
1392 Disclosure Of Financial Instruments [Line Items] LineItems ifrs-full:DisclosureOfFinancialInstrumentsLineItems
1393 Analysis of the age of trade receivables Concept (Monetary) As Of Debit ifrs-full:TradeReceivables
1394 Expected Credit Loss Rate Concept (Percent) As Of ifrs-full:ExpectedCreditLossRate
1395 101250 - Disclosure - Financial Instruments - Summary of Analysis of Age of Trade Payables (Detail) Network

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http://thecronosgroup.com/20181231/taxonomy/role/DisclosureFinancialInstrumentsSummaryOfAnalysisOfAgeOfTradePayablesDetail
1396 Disclosure Of Financial Instruments [Table] Table

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*

ifrs-full:DisclosureOfFinancialInstrumentsTable
1397 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
1398 Risks [member] Member ifrs-full:TypesOfRisksMember
1399 Liquidity risk [member] Member ifrs-full:LiquidityRiskMember
1400 Past due status [axis] Axis ifrs-full:PastDueStatusAxis
1401 Past due status [member] Member ifrs-full:PastDueStatusMember
1402 Less than 30 days past billing date [member] Member cron:LessThanThirtyDaysPastBillingDateMember
1403 31 to 60 days past billing date [member] Member cron:LaterThanThirtyOneDaysAndNotLaterThanSixtyDaysPastBillingDateMember
1404 61 to 90 days past billing date [member] Member cron:LaterThanSixtyOneDaysAndNotLaterThanNinetyDaysPastBillingDateMember
1405 Over 90 days past billing date [member] Member cron:OverNinetyDaysPastBillingDateMember
1406 Disclosure Of Financial Instruments [Line Items] LineItems ifrs-full:DisclosureOfFinancialInstrumentsLineItems
1407 Analysis of the age of trade payables Concept (Monetary) As Of Credit ifrs-full:TradeAndOtherPayables
1408 101260 - Disclosure - Financial Instruments - Summary of Foreign Currency Denominated Assets and Liabilities (Detail) Network

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http://thecronosgroup.com/20181231/taxonomy/role/DisclosureFinancialInstrumentsSummaryOfForeignCurrencyDenominatedAssetsAndLiabilitiesDetail
1409 Disclosure Of Financial Instruments [Table] Table

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ifrs-full:DisclosureOfFinancialInstrumentsTable
1410 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
1411 Risks [member] Member ifrs-full:TypesOfRisksMember
1412 Currency risk [member] Member ifrs-full:CurrencyRiskMember
1413 Disclosure Of Financial Instruments [Line Items] LineItems ifrs-full:DisclosureOfFinancialInstrumentsLineItems
1414 Advances to joint ventures Concept (Monetary) As Of Debit cron:AdvancesToJointVentures
1415 Cash Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
1416 Sales taxes receivable Concept (Monetary) As Of Debit cron:SalesTaxesReceivable
1417 Accounts payable and other liabilities Concept (Monetary) As Of Credit cron:AccountsPayableAndOtherLiabilities
1418 Due to non-controlling interests Concept (Monetary) As Of Credit cron:ForeignCurrencyTransationDueToNonControllingInterests
1419 101270 - Disclosure - Capital Management - Additional Information (Detail) Network

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http://thecronosgroup.com/20181231/taxonomy/role/DisclosureCapitalManagementAdditionalInformationDetail
1420 Implied Table Table

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implied:Table
1421 Disclosure Of Capital Management [Abstract] Abstract cron:DisclosureOfCapitalManagementAbstract
1422 Equity Concept (Monetary) As Of Credit ifrs-full:Equity
1423 101280 - Disclosure - Subsequent Events - Additional Information (Detail) Network

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*

http://thecronosgroup.com/20181231/taxonomy/role/DisclosureSubsequentEventsAdditionalInformationDetail
1424 Disclosure Of Nonadjusting Events After Reporting Period [Table] Table

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ifrs-full:DisclosureOfNonadjustingEventsAfterReportingPeriodTable
1425 Non-adjusting events after reporting period [axis] Axis ifrs-full:NonadjustingEventsAfterReportingPeriodAxis
1426 Non-adjusting events after reporting period [member] Member ifrs-full:NonadjustingEventsMember
1427 Disposal of Other Investment [Member] Member cron:DisposalOfOtherInvestmentMember
1428 Commencement of Debt Agreement [member] Member cron:CreditAgreementMember
1429 Settlement of Litigation [Member] Member cron:SettlementOfLitigationMember
1430 Major Ordinary Share Transactions [member] Member ifrs-full:MajorOrdinaryShareTransactionsMember
1431 Investment [Member] Member cron:InvestmentMember
1432 Share Appreciation Right Exercise [Member] Member cron:ShareAppreciationRightExerciseMember
1433 Options [Member] Member cron:OptionsMember
1434 Warrants [member] Member cron:ShareWarrantsMember
1435 Unconsolidated structured entities controlled by investment entity [axis] Axis ifrs-full:UnconsolidatedStructuredEntitiesControlledByInvestmentEntityAxis
1436 Unconsolidated structured entities controlled by investment entity [member] Member ifrs-full:UnconsolidatedStructuredEntitiesControlledByInvestmentEntityMember
1437 Canopy Growth Corporation [member] Member cron:CanopyGrowthCorporationMember
1438 Borrowings by name [axis] Axis ifrs-full:BorrowingsByNameAxis
1439 Borrowings by name [member] Member ifrs-full:BorrowingsByNameMember
1440 Credit Facility with Canadian Imperial Bank of Commerce [member] Member cron:NonRevolvingTermLoanCreditFacilityMember
1441 Legal Entity Axis dei:LegalEntityAxis
1442 Entity Member dei:EntityDomain
1443 Aurora [member] Member cron:AuroraCannabisIncMember
1444 Associates [axis] Axis ifrs-full:SignificantInvestmentsInAssociatesAxis
1445 Entity's total for associates [member] Member ifrs-full:EntitysTotalForAssociatesMember
1446 Whistler [member] Member cron:WhistlerMedicalMarijuanaCorpMember
1447 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
1448 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
1449 Altria [Member] Member cron:AltriaMember
1450 Classes of share capital [axis] Axis ifrs-full:ClassesOfShareCapitalAxis
1451 Share capital [member] Member ifrs-full:ClassesOfShareCapitalMember
1452 Common Shares [Member] Member ifrs-full:OrdinarySharesMember
1453 Disclosure Of Nonadjusting Events After Reporting Period [Line Items] LineItems ifrs-full:DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems
1454 Common share sold Concept (Shares) For Period cron:OrdinarySharesSold
1455 Proceeds from sale of other investments Concept (Monetary) For Period Debit ifrs-full:ProceedsFromSalesOfInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod
1456 Gain on sale of other investments Concept (Monetary) For Period Credit ifrs-full:GainsOnDisposalsOfInvestments
1457 Secured non-revolving term loan credit facility Concept (Monetary) As Of Credit cron:SecuredNonRevolvingTermLoanCreditFacilityMaximumBorrowingCapacity
1458 Loan principal Concept (Monetary) For Period Credit ifrs-full:RepaymentsOfBorrowingsClassifiedAsFinancingActivities
1459 Repayments of accrued interest and fees Concept (Monetary) For Period Credit cron:RepaymentsOfInterestAndFeesOnBorrowings
1460 Legal claims settled Concept (Monetary) For Period Debit cron:PayableForClaimsSettled
1461 Percentage of common share sold Concept (Percent) For Period cron:PercentageOfOrdinarySharesSold
1462 Share received Concept (Shares) For Period cron:NumberOfSharesReceivedInExchangeForInvestmentSold
1463 Aggregate value of shares to be received Concept (Monetary) As Of Debit cron:ValueOfOrdinarySharesToBeReceived
1464 Common shares issue price Concept (Share) For Period cron:OrdinarySharesIssuePrice
1465 Volume weighted average price period Concept (xbrli:durationItemType) For Period cron:VolumeWeightedAveragePricePeriod
1466 Proceeds from investor Concept (Monetary) For Period Debit cron:ProceedsFromInvestor
1467 Investment, shares issued Concept (Shares) As Of cron:InvestmentCommonShareIssued
1468 Investment, warrants issued Concept (Decimal) As Of cron:InvestmentWarrantIssued
1469 Investment, warrant exercise end date Concept (Year/Month) For Period cron:InvestmentWarrantExerciseEndDate
1470 Investment, number of shares called by warrant Concept (Shares) For Period cron:InvestmentNumberOfSharesCalledByWarrants
1471 Investment, exercise price of warrant Concept (Share) For Period cron:InvestmentExercisePriceOfWarrants
1472 Investment, ownership interest Concept (Percent) For Period cron:OwnershipInterestHeldByInvestor
1473 Investment, ownership interest if exercised in full Concept (Percent) For Period cron:OwnershipInterestHeldByInvestorIfWarrantExercisedInFull
1474 Additional proceeds from investor if warrant fully exercised Concept (Monetary) For Period Debit cron:AdditionalProceedsFromInvestorIfWarrantFullyExercised
1475 Options exercised, shares Concept (Decimal) For Period ifrs-full:NumberOfShareOptionsExercisedInSharebasedPaymentArrangement
1476 Number of shares issued Concept (Shares) As Of ifrs-full:NumberOfSharesIssued
1477 Proceeds from exercise of options Concept (Monetary) For Period Debit ifrs-full:ProceedsFromExerciseOfOptions
1478 Weighted average exercise price $ | share Concept (Monetary) For Period ifrs-full:ExercisePriceShareOptionsGranted
1479 Options cancelled, shares Concept (Shares) For Period cron:NumberOfShareOptionsCancelledInSharebasedPaymentArrangement
1480 Number of warrants exercised Concept (Shares) For Period cron:NumberOfShareWarrantsExercised
1481 Warrants exercised in exchange of cash Concept (Monetary) For Period Credit cron:ExerciseOfWarrants
1482 Weighted average exercise price $ | share | warrant Concept (Monetary) For Period cron:WeightedAverageExercisePriceWarrantsPerCommonShare

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