SEMICONDUCTOR MANUFACTURING INTERNATIONAL CORP (SEC Filing Page | XBRL Cloud Viewer | XBRL Instance)

Line Label Object Class Period Type Balance Report ElementName
1 00090 - Document - Document and Entity Information Network

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http://www.smics.com/role/DocumentDocumentAndEntityInformation
2 Implied Table Table

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3 Document and Entity Information Abstract smi:DocumentAndEntityInformationAbstract
4 Entity Registrant Name Concept (Text/String) For Period dei:EntityRegistrantName
5 Entity Central Index Key Concept (CIK Number) For Period dei:EntityCentralIndexKey
6 Document Type Concept (Submission Type) For Period dei:DocumentType
7 Document Period End Date Concept (Date) For Period dei:DocumentPeriodEndDate
8 Amendment Flag Concept (Yes/No) For Period dei:AmendmentFlag
9 Current Fiscal Year End Date Concept (Month/Day) For Period dei:CurrentFiscalYearEndDate
10 Entity Well-known Seasoned Issuer Concept (Yes/No) For Period dei:EntityWellKnownSeasonedIssuer
11 Entity Shell Company Concept (Yes/No) For Period dei:EntityShellCompany
12 Entity Voluntary Filers Concept (Yes/No) For Period dei:EntityVoluntaryFilers
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 Entity Emerging Growth Company Concept (Yes/No) For Period dei:EntityEmergingGrowthCompany
17 Document Fiscal Year Focus Concept (Year) For Period dei:DocumentFiscalYearFocus
18 Document Fiscal Period Focus Concept (Fiscal Period) For Period dei:DocumentFiscalPeriodFocus
19 00100 - Statement - CONSOLIDATED STATEMENT OF PROFIT OR LOSS AND OTHER COMPREHENSIVE INCOME Network

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http://www.smics.com/role/StatementConsolidatedStatementOfProfitOrLossAndOtherComprehensiveIncome
20 Implied Table Table

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21 CONSOLIDATED STATEMENT OF PROFIT OR LOSS AND OTHER COMPREHENSIVE INCOME Abstract ifrs-full:StatementOfProfitOrLossAndOtherComprehensiveIncomeAbstract
22 Revenue Concept (Monetary) For Period Credit ifrs-full:RevenueFromContractsWithCustomers
23 Cost of sales Concept (Monetary) For Period Debit ifrs-full:CostOfSales
24 Gross profit Concept (Monetary) For Period Credit ifrs-full:GrossProfit
25 Research and development expenses, net Concept (Monetary) For Period Debit ifrs-full:ResearchAndDevelopmentExpense
26 Sales and marketing expenses Concept (Monetary) For Period Debit ifrs-full:SalesAndMarketingExpense
27 General and administration expenses Concept (Monetary) For Period Debit ifrs-full:GeneralAndAdministrativeExpense
28 Net impairment losses (recognized) reversal on financial assets Concept (Monetary) For Period Debit ifrs-full:ImpairmentLossOnFinancialAssets
29 Other operating income, net Concept (Monetary) For Period Credit ifrs-full:OtherOperatingIncomeExpense
30 Profit from operations Concept (Monetary) For Period Credit ifrs-full:ProfitLossFromOperatingActivities
31 Interest income Concept (Monetary) For Period Credit ifrs-full:RevenueFromInterest
32 Finance costs Concept (Monetary) For Period Debit ifrs-full:FinanceCosts
33 Foreign exchange losses Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss
34 Other gains (losses), net Concept (Monetary) For Period Credit ifrs-full:OtherGainsLosses
35 Share of gain (loss) profit of investment accounted for using equity method Concept (Monetary) For Period Credit ifrs-full:ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod
36 Profit before tax Concept (Monetary) For Period Credit ifrs-full:ProfitLossBeforeTax
37 Income tax (expense) benefit Concept (Monetary) For Period Debit ifrs-full:IncomeTaxExpenseContinuingOperations
38 Profit for the year Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
39 Other comprehensive income (loss) on cash flow hedges recognized during the year: Abstract ifrs-full:OtherComprehensiveIncomeAbstract
40 Items that may be reclassified subsequently to profit or loss Abstract ifrs-full:ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract
41 Exchange differences on translating foreign operations Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation
42 Change in value of available-for-sale financial assets Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeNetOfTaxAvailableforsaleFinancialAssets
43 Cash flow hedges Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeNetOfTaxCashFlowHedges
44 Share of other comprehensive income of joint ventures accounted for using equity method Concept (Monetary) For Period Credit ifrs-full:ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillBeReclassifiedToProfitOrLossNetOfTax
45 Others Concept (Monetary) For Period Credit smi:IfrsOtherComprehensiveIncomeOtherNetOfTax
46 Items that will not be reclassified to profit or loss Abstract ifrs-full:ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTaxAbstract
47 Actuarial gains or losses on defined benefit plans Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeNetOfTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans
48 Total comprehensive income (loss) for the year Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncome
49 Profit (loss) for the year attributable to: Abstract ifrs-full:ProfitLossAttributableToAbstract
50 Owners of the Company Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToOwnersOfParent
51 Non-controlling interests Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToNoncontrollingInterests
52 Profit for the year Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
53 Total comprehensive income (loss) for the year attributable to: Abstract ifrs-full:ComprehensiveIncomeAttributableToAbstract
54 Owners of the Company Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncomeAttributableToOwnersOfParent
55 Non-controlling interests Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncomeAttributableToNoncontrollingInterests
56 Total comprehensive income (loss) for the year Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncome
57 Earnings per share Abstract ifrs-full:BasicAndDilutedEarningsPerShareAbstract
58 Basic (in dollars per share) Concept (Share) For Period ifrs-full:BasicEarningsLossPerShare
59 Diluted (in dollars per share) Concept (Share) For Period ifrs-full:DilutedEarningsLossPerShare
60 00105 - Statement - CONSOLIDATED STATEMENT OF PROFIT OR LOSS AND OTHER COMPREHENSIVE INCOME (Parenthetical) Network

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http://www.smics.com/role/StatementConsolidatedStatementOfProfitOrLossAndOtherComprehensiveIncomeParenthetical
61 Implied Table Table

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62 CONSOLIDATED STATEMENT OF PROFIT OR LOSS AND OTHER COMPREHENSIVE INCOME Abstract ifrs-full:StatementOfProfitOrLossAndOtherComprehensiveIncomeAbstract
63 Share consolidation ratio Concept (Pure) As Of smi:ShareConsolidationRatio
64 Par value per share Concept (Share) As Of ifrs-full:ParValuePerShare
65 00200 - Statement - CONSOLIDATED STATEMENT OF FINANCIAL POSITION Network

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http://www.smics.com/role/StatementConsolidatedStatementOfFinancialPosition
66 Implied Table Table

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67 CONSOLIDATED STATEMENT OF FINANCIAL POSITION Abstract ifrs-full:StatementOfFinancialPositionAbstract
68 Assets Abstract ifrs-full:AssetsAbstract
69 Non-current assets Abstract ifrs-full:NoncurrentAssetsAbstract
70 Property, plant and equipment Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipment
71 Land use right Concept (Monetary) As Of Debit smi:LandUseRight
72 Intangible assets Concept (Monetary) As Of Debit ifrs-full:IntangibleAssetsAndGoodwill
73 Investments in associates Concept (Monetary) As Of Debit ifrs-full:InvestmentsInAssociatesAccountedForUsingEquityMethod
74 Investments in joint ventures Concept (Monetary) As Of Debit ifrs-full:InvestmentsInJointVenturesAccountedForUsingEquityMethod
75 Deferred tax assets Concept (Monetary) As Of Debit ifrs-full:DeferredTaxAssets
76 Financial assets at fair value through profit or loss Concept (Monetary) As Of Debit ifrs-full:NoncurrentFinancialAssetsAtFairValueThroughProfitOrLoss
77 Derivative financial instruments Concept (Monetary) As Of Debit ifrs-full:NoncurrentDerivativeFinancialAssets
78 Other financial assets Concept (Monetary) As Of Debit ifrs-full:OtherNoncurrentFinancialAssets
79 Restricted cash Concept (Monetary) As Of Debit ifrs-full:NoncurrentRestrictedCashAndCashEquivalents
80 Other assets Concept (Monetary) As Of Debit ifrs-full:OtherNoncurrentAssets
81 Total non-current assets Concept (Monetary) As Of Debit ifrs-full:NoncurrentAssets
82 Current assets Abstract ifrs-full:CurrentAssetsAbstract
83 Inventories Concept (Monetary) As Of Debit ifrs-full:Inventories
84 Prepayment and prepaid operating expenses Concept (Monetary) As Of Debit ifrs-full:CurrentPrepayments
85 Trade and other receivables Concept (Monetary) As Of Debit ifrs-full:TradeAndOtherCurrentReceivables
86 Financial assets at fair value through profit or loss Concept (Monetary) As Of Debit ifrs-full:CurrentFinancialAssetsAtFairValueThroughProfitOrLoss
87 Financial assets at amortized cost Concept (Monetary) As Of Debit ifrs-full:CurrentFinancialAssetsAtAmortisedCost
88 Derivative financial instruments Concept (Monetary) As Of Debit ifrs-full:CurrentDerivativeFinancialAssets
89 Other financial assets Concept (Monetary) As Of Debit ifrs-full:OtherCurrentFinancialAssets
90 Restricted cash Concept (Monetary) As Of Debit ifrs-full:CurrentRestrictedCashAndCashEquivalents
91 Cash and cash equivalent Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
92 Total current assets other than assets classified as held-for-sale Concept (Monetary) As Of Debit ifrs-full:CurrentAssetsOtherThanAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners
93 Assets classified as held-for-sale Concept (Monetary) As Of Debit ifrs-full:NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSale
94 Total current assets Concept (Monetary) As Of Debit ifrs-full:CurrentAssets
95 Total assets Concept (Monetary) As Of Debit ifrs-full:Assets
96 Equity and liabilities Abstract ifrs-full:EquityAndLiabilitiesAbstract
97 Capital and reserves Abstract ifrs-full:EquityAbstract
98 Ordinary shares, $0.004 par value, 10,000,000,000 shares authorized, 5,039,819,199, 4,916,106,889 and 4,252,922,259 shares issued and outstanding at December 31, 2018, 2017 and 2016, respectively Concept (Monetary) As Of Credit ifrs-full:IssuedCapital
99 Share premium Concept (Monetary) As Of Credit ifrs-full:SharePremium
100 Reserves Concept (Monetary) As Of Credit ifrs-full:OtherReserves
101 Retained earnings (accumulated deficit) Concept (Monetary) As Of Credit ifrs-full:RetainedEarnings
102 Equity attributable to owners of the Company Concept (Monetary) As Of Credit ifrs-full:EquityAttributableToOwnersOfParent
103 Perpetual subordinated convertible securities Concept (Monetary) As Of Credit smi:IfrsConvertibleSubordinatedDebt
104 Non-controlling interests Concept (Monetary) As Of Credit ifrs-full:NoncontrollingInterests
105 Total equity Concept (Monetary) As Of Credit ifrs-full:Equity
106 Non-current liabilities Abstract ifrs-full:NoncurrentLiabilitiesAbstract
107 Borrowings Concept (Monetary) As Of Credit ifrs-full:LongtermBorrowings
108 Convertible bonds Concept (Monetary) As Of Credit smi:ConvertibleBondsNoncurrent
109 Bonds payable Concept (Monetary) As Of Credit ifrs-full:NoncurrentPortionOfNoncurrentBondsIssued
110 Medium-term notes Concept (Monetary) As Of Credit smi:IfrsMediumTermNotesNoncurrent
111 Deferred tax liabilities Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilities
112 Deferred government funding Concept (Monetary) As Of Credit ifrs-full:NoncurrentGovernmentGrants
113 Derivative financial instruments Concept (Monetary) As Of Credit ifrs-full:NoncurrentDerivativeFinancialLiabilities
114 Other financial liabilities Concept (Monetary) As Of Credit ifrs-full:OtherNoncurrentFinancialLiabilities
115 Other liabilities Concept (Monetary) As Of Credit ifrs-full:OtherNoncurrentLiabilities
116 Total non-current liabilities Concept (Monetary) As Of Credit ifrs-full:NoncurrentLiabilities
117 Current liabilities Abstract ifrs-full:CurrentLiabilitiesAbstract
118 Trade and other payables Concept (Monetary) As Of Credit ifrs-full:TradeAndOtherCurrentPayables
119 Contract liabilities Concept (Monetary) As Of Credit ifrs-full:CurrentContractLiabilities
120 Borrowings Concept (Monetary) As Of Credit ifrs-full:CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings
121 Convertible bonds Concept (Monetary) As Of Credit smi:ConvertibleBondsCurrent
122 Bonds payable Concept (Monetary) As Of Credit ifrs-full:CurrentBondsIssuedAndCurrentPortionOfNoncurrentBondsIssued
123 Short-term notes Concept (Monetary) As Of Credit smi:ShortTermNotes
124 Medium-term notes Concept (Monetary) As Of Credit smi:CurrentMediumTermNotesIssuedAndCurrentPortionOfNonCurrentMediumTermNotesIssued
125 Deferred government funding Concept (Monetary) As Of Credit ifrs-full:CurrentGovernmentGrants
126 Accrued liabilities Concept (Monetary) As Of Credit ifrs-full:CurrentAccruedExpensesAndOtherCurrentLiabilities
127 Derivative financial instruments Concept (Monetary) As Of Credit ifrs-full:CurrentDerivativeFinancialLiabilities
128 Other financial liabilities Concept (Monetary) As Of Credit ifrs-full:OtherCurrentFinancialLiabilities
129 Current tax liabilities Concept (Monetary) As Of Credit ifrs-full:CurrentTaxLiabilitiesCurrent
130 Other liabilities Concept (Monetary) As Of Credit ifrs-full:OtherCurrentLiabilities
131 Current liabilities other than liabilities directly associated with assets classified as held-for-sale Concept (Monetary) As Of Credit ifrs-full:CurrentLiabilitiesOtherThanLiabilitiesIncludedInDisposalGroupsClassifiedAsHeldForSale
132 Liabilities directly associated with assets classified as held-for-sale Concept (Monetary) As Of Credit ifrs-full:LiabilitiesIncludedInDisposalGroupsClassifiedAsHeldForSale
133 Total current liabilities Concept (Monetary) As Of Credit ifrs-full:CurrentLiabilities
134 Total liabilities Concept (Monetary) As Of Credit ifrs-full:Liabilities
135 Total equity and liabilities Concept (Monetary) As Of Credit ifrs-full:EquityAndLiabilities
136 00205 - Statement - CONSOLIDATED STATEMENT OF FINANCIAL POSITION (Parenthetical) Network

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http://www.smics.com/role/StatementConsolidatedStatementOfFinancialPositionParenthetical
137 Implied Table Table

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138 CONSOLIDATED STATEMENT OF PROFIT OR LOSS AND OTHER COMPREHENSIVE INCOME Abstract ifrs-full:StatementOfProfitOrLossAndOtherComprehensiveIncomeAbstract
139 Ordinary shares, par value (in dollars per share) Concept (Share) As Of ifrs-full:ParValuePerShare
140 Ordinary shares, shares authorized (in shares) Concept (Shares) As Of ifrs-full:NumberOfSharesAuthorised
141 Ordinary shares, shares issued (in shares) Concept (Shares) As Of ifrs-full:NumberOfSharesIssued
142 Ordinary shares, shares outstanding (in shares) Concept (Shares) As Of ifrs-full:NumberOfSharesOutstanding
143 00300 - Statement - CONSOLIDATED STATEMENT OF CHANGES IN EQUITY Network

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http://www.smics.com/role/StatementConsolidatedStatementOfChangesInEquity
144 Statement of changes in equity [table] Table

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ifrs-full:StatementOfChangesInEquityTable
145 Components of equity [axis] Axis ifrs-full:ComponentsOfEquityAxis
146 Equity [member] Member ifrs-full:EquityMember
147 Ordinary shares Member ifrs-full:IssuedCapitalMember
148 Share premium Member ifrs-full:SharePremiumMember
149 Equity-settled employee benefits reserve Member ifrs-full:ReserveOfSharebasedPaymentsMember
150 Foreign currency translation reserve Member ifrs-full:ReserveOfExchangeDifferencesOnTranslationMember
151 Change in value of available-for-sale financial assets Member ifrs-full:ReserveOfGainsAndLossesOnRemeasuringAvailableforsaleFinancialAssetsMember
152 Convertible bonds equity reserve Member ifrs-full:ReserveOfEquityComponentOfConvertibleInstrumentsMember
153 Defined benefit plan reserve Member ifrs-full:ReserveOfRemeasurementsOfDefinedBenefitPlansMember
154 Cash flow hedges Member ifrs-full:ReserveOfCashFlowHedgesMember
155 Share of other comprehensive income of joint ventures accounted for using equity method Member ifrs-full:ReserveOfGainsAndLossesFromInvestmentsInEquityInstrumentsMember
156 Others Member ifrs-full:MiscellaneousOtherReservesMember
157 Accumulated deficit Member ifrs-full:RetainedEarningsMember
158 Attributable to owner of the Company Member ifrs-full:EquityAttributableToOwnersOfParentMember
159 Perpetual subordinated convertible securities Member smi:PerpetualSubordinatedConvertibleSecuritiesMember
160 Non-controlling interest Member ifrs-full:NoncontrollingInterestsMember
161 CONSOLIDATED STATEMENT OF CHANGES IN EQUITY LineItems ifrs-full:StatementOfChangesInEquityLineItems
162 Balance at beginning of year Concept (Monetary) As Of Credit ifrs-full:Equity
163 Profit for the year Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
164 Other comprehensive income (losses) for the year Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncome
165 Total comprehensive income (loss) for the year Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncome
166 Issuance of ordinary shares Concept (Monetary) For Period Credit ifrs-full:IssueOfEquity
167 Exercise of stock options Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughExerciseOfOptions
168 Share-based compensation Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughSharebasedPaymentTransactions
169 Capital contribution from non-controlling interests Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughOtherContributionsByOwners
170 Deconsolidation of subsidiaries due to loss of control Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughChangeInEquityOfSubsidiaries
171 Conversion options exercised - Equity component Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughConversionOfConvertibleInstruments
172 Recognition of equity component of convertible bonds Concept (Monetary) For Period Credit ifrs-full:IssueOfConvertibleInstruments
173 Business combination Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughAcquisitionOfSubsidiary
174 Perpetual subordinated convertible securities Concept (Monetary) For Period Credit smi:IncreaseDecreasePerpetualSubordinatedConvertibleSecurities
175 Share premium reduction Concept (Monetary) For Period Debit smi:ReductionOfSharePremium
176 Gain on transfer of business operation Concept (Monetary) For Period Credit smi:IncreaseDecreaseThroughEffectOfTransferOfBusinessOperation
177 Adoption on IFRS 9 Concept (Monetary) For Period Credit smi:IfrsCumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption
178 Restated total equity at January 1, 2018 Concept (Monetary) As Of Credit smi:EquityAdjustedForCumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption
179 Cancellation of treasury stock Concept (Monetary) For Period Credit ifrs-full:CancellationOfTreasuryShares
180 Distribution to perpetual subordinated convertible securities Concept (Monetary) For Period Debit smi:DecreaseThroughDistributionToPerpetualSubordinatedConvertibleDebtSecurities.
181 Share of other capital reserve of associates accounted for using equity method Concept (Monetary) For Period Debit smi:ShareOfOtherCapitalReserveOfAssociatesAccountedForUsingEquityMethod
182 Subtotal Concept (Monetary) For Period Credit smi:ChangesInEquityExcludingComprehensiveIncome
183 Balance at end of year Concept (Monetary) As Of Credit ifrs-full:Equity
184 00400 - Statement - CONSOLIDATED STATEMENT OF CASH FLOWS Network

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http://www.smics.com/role/StatementConsolidatedStatementOfCashFlows
185 Implied Table Table

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186 CONSOLIDATED STATEMENT OF CASH FLOWS Abstract ifrs-full:StatementOfCashFlowsAbstract
187 Operating activities Abstract ifrs-full:CashFlowsFromUsedInOperatingActivitiesAbstract
188 Profit for the year Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
189 Adjustments for: Abstract ifrs-full:AdjustmentsForReconcileProfitLossAbstract
190 Income tax expense (benefit) Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForIncomeTaxExpense
191 Depreciation and amortization expense Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForDepreciationAndAmortisationExpense
192 Expense recognized in respect of equity-settled share- based payments Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForSharebasedPayments
193 Interest income Concept (Monetary) For Period Credit ifrs-full:AdjustmentsForInterestIncome
194 Finance costs Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForFinanceCosts
195 (Gain) loss on disposal of property, plant and equipment and assets classified as held-for-sale Concept (Monetary) For Period Credit smi:GainsLossesOnDisposalsOfPropertyPlantAndEquipmentAndAssetsClassifiedAsHeldForSale
196 Gain on deconsolidation of subsidiaries Concept (Monetary) For Period Credit ifrs-full:GainLossOnCessationOfConsolidationOfSubsidiariesDueToChangeOfInvestmentEntityStatus
197 Gain on disposal of associates Concept (Monetary) For Period Credit ifrs-full:AdjustmentsForGainLossOnDisposalOfInvestmentsInSubsidiariesJointVenturesAndAssociates
198 Impairment losses on assets Concept (Monetary) For Period Debit smi:AdjustmentsForImpairmentLossRecognisedInProfitOrLossAssets
199 Net (gain) loss arising on financial instruments at fair value through profit or loss Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLoss
200 Net loss (gain) on foreign exchange Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForUnrealisedForeignExchangeLossesGains
201 Share of (gain) loss of investment accounted for using equity method Concept (Monetary) For Period Credit ifrs-full:ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod
202 Other non-cash loss Concept (Monetary) For Period Debit ifrs-full:OtherAdjustmentsForNoncashItems
203 Operating cash flows before movements in working capital: Concept (Monetary) For Period ifrs-full:CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital
204 (Increase) decrease in trade and other receivables Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivables
205 Increase in inventories Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForDecreaseIncreaseInInventories
206 Increase in restricted cash relating to operating activities Concept (Monetary) For Period Credit smi:AdjustmentsForIncreaseInRestrictedCashRelatingToOperatingActivities
207 Decrease (increase) in prepaid operating expenses Concept (Monetary) For Period Credit smi:IfrsIncreaseDecreaseInPrepaidExpense
208 Decrease in other operating assets Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForDecreaseIncreaseInOtherAssets
209 Increase in trade and other payables Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForIncreaseDecreaseInTradeAndOtherPayables
210 Increase (decrease) in contract liabilities Concept (Monetary) For Period Debit smi:AdjustmentForIncreaseDecreaseInContractLiabilities
211 Increase in deferred government funding Concept (Monetary) For Period Debit smi:AdjustmentsForIncreaseInDeferredGovernmentFunding
212 Increase (decrease) in other operating liabilities Concept (Monetary) For Period Debit smi:IfrsIncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities
213 Cash generated from operations Concept (Monetary) For Period ifrs-full:CashFlowsFromUsedInOperations
214 Interest paid Concept (Monetary) For Period Credit ifrs-full:InterestPaidClassifiedAsOperatingActivities
215 Interest received Concept (Monetary) For Period Debit ifrs-full:InterestReceivedClassifiedAsOperatingActivities
216 Income taxes paid Concept (Monetary) For Period Credit ifrs-full:IncomeTaxesPaidRefundClassifiedAsOperatingActivities
217 Net cash generated from operating activities Concept (Monetary) For Period ifrs-full:CashFlowsFromUsedInOperatingActivities
218 Investing activities Abstract ifrs-full:CashFlowsFromUsedInInvestingActivitiesAbstract
219 Payments to acquire financial assets at fair value through profit or loss Concept (Monetary) For Period Credit smi:PurchaseOfFinancialInstrumentsAtFairValueThroughProfitOrLossClassifiedAsInvestingActivities
220 Proceeds from sale of financial assets at fair value through profit or loss Concept (Monetary) For Period Debit smi:ProceedsFromSaleOfFinancialAssetsAtFairValueThroughProfitOrLoss
221 Payments to acquire financial assets at amortized cost Concept (Monetary) For Period Credit smi:PaymentsToAcquireFinancialAssetsAtAmortizedCost
222 Proceeds from maturity of financial assets at amortized cost Concept (Monetary) For Period Debit smi:ProceedsFromSaleOfFinancialAssetsAtAmortizedCost
223 Payments to acquire financial assets Concept (Monetary) For Period Credit ifrs-full:PurchaseOfFinancialInstrumentsClassifiedAsInvestingActivities
224 Proceeds on sale of financial assets Concept (Monetary) For Period Debit ifrs-full:ProceedsFromSalesOrMaturityOfFinancialInstrumentsClassifiedAsInvestingActivities
225 Payments for property, plant and equipment Concept (Monetary) For Period Credit ifrs-full:PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities
226 Proceeds from disposal of property, plant and equipment and assets classified as held-for-sale Concept (Monetary) For Period Debit ifrs-full:ProceedsFromSalesOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities
227 Payments for joint ventures, associates and other financial assets Concept (Monetary) For Period Credit ifrs-full:OtherCashPaymentsToAcquireInterestsInJointVenturesClassifiedAsInvestingActivities
228 Proceeds from disposal of joint ventures and other financial assets Concept (Monetary) For Period Debit smi:ProceedsFromDisposalOfJointVenturesAndOtherFinancialAssets
229 Distributions received from joint ventures and associates Concept (Monetary) For Period Debit smi:DividendsReceivedFromJointVenturesAndAssociatesClassifiedAsInvestingActivities
230 Payments for intangible assets Concept (Monetary) For Period Credit ifrs-full:PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities
231 Payments for land use rights Concept (Monetary) For Period Credit smi:PaymentsForLandUseRights
232 Payments for deposit of investing activities Concept (Monetary) For Period Credit smi:PaymentsForDepositOfInvestingActivities
233 Proceeds from release of restricted cash relating to investing activities Concept (Monetary) For Period Debit smi:ProceedsFromReleaseOfRestrictedCashRelatingTo
234 Net cash outflow from deconsolidation of subsidiaries Concept (Monetary) For Period Credit smi:NetCashOutflowFromDeconsolidationOfSubsidiaries
235 Payment for business combination Concept (Monetary) For Period Credit ifrs-full:CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities
236 Net cash used in investing activities Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromUsedInInvestingActivities
237 Financing activities Abstract ifrs-full:CashFlowsFromUsedInFinancingActivitiesAbstract
238 Proceeds from borrowings Concept (Monetary) For Period Debit ifrs-full:ProceedsFromBorrowingsClassifiedAsFinancingActivities
239 Repayment of borrowings Concept (Monetary) For Period Credit ifrs-full:RepaymentsOfBorrowingsClassifiedAsFinancingActivities
240 Proceeds from issuance of new shares Concept (Monetary) For Period Debit ifrs-full:ProceedsFromIssuingShares
241 Proceeds from issuance of convertible bonds Concept (Monetary) For Period Debit smi:ProceedsFromIssuanceOfConvertibleBonds
242 Proceeds from issuance of short-term and medium-term notes Concept (Monetary) For Period Debit smi:ProceedsFromIssuanceOfShortTermAndMediumTermNotes
243 Repayment of short-term notes Concept (Monetary) For Period Credit smi:RepaymentOfShortTermNotes
244 Proceeds from issuance of perpetual subordinated convertible securities Concept (Monetary) For Period Debit smi:ProceedsFromIssuanceOfPerpetualSubordinatedConvertibleSecurities
245 Distribution paid to perpetual subordinated convertible securities holders Concept (Monetary) For Period Credit smi:DistributionPaidToPerpetualSubordinatedConvertibleSecuritiesHolders
246 Proceeds from exercise of employee stock options Concept (Monetary) For Period Debit ifrs-full:ProceedsFromExerciseOfOptions
247 Payments to acquire treasury shares Concept (Monetary) For Period Credit smi:PaymentsToAcquireTreasuryShares
248 Proceeds from non-controlling interests - capital contribution Concept (Monetary) For Period Debit ifrs-full:ProceedsFromContributionsOfNoncontrollingInterests
249 Net cash from financing activities Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromUsedInFinancingActivities
250 Net (decrease) increase in cash and cash equivalent Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges
251 Cash and cash equivalent at the beginning of the year Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
252 Effects of exchange rate changes on the balance of cash held in foreign currencies Concept (Monetary) For Period Debit ifrs-full:EffectOfExchangeRateChangesOnCashAndCashEquivalents
253 Cash and cash equivalents Including effect of exchange rates Concept (Monetary) As Of Debit smi:CashAndCashEquivalentsIncludingEffectOfExchangeRates
254 Cash and cash equivalent of disposal group as held-for-sale Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalentsClassifiedAsPartOfDisposalGroupHeldForSale
255 Cash and cash equivalent at the end of the year Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
256 10101 - Disclosure - General information Network

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http://www.smics.com/role/DisclosureGeneralInformation
257 Implied Table Table

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258 General information Abstract smi:DisclosureOfCompanyGeneralInformationAbstract
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264 10301 - Disclosure - Significant accounting policies Network

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284 10801 - Disclosure - Finance costs Network

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287 Finance costs Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFinanceCostExplanatory
288 10901 - Disclosure - Other gains (losses), net Network

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292 11001 - Disclosure - Income taxes Network

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295 Income taxes Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfIncomeTaxExplanatory
296 11101 - Disclosure - Profit for the year Network

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299 Profit for the year Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfProfitLossFromOperatingActivitiesExplanatory
300 11201 - Disclosure - Directors' remuneration Network

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304 11301 - Disclosure - Five highest paid employees Network

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308 11401 - Disclosure - Earnings per share Network

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312 11501 - Disclosure - Dividend Network

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320 11701 - Disclosure - Intangible assets Network

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332 12001 - Disclosure - Investments in joint ventures Network

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336 12101 - Disclosure - Other financial assets Network

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340 12201 - Disclosure - Restricted cash Network

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364 12801 - Disclosure - Retained earnings (accumulated deficit) Network

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368 12901 - Disclosure - Perpetual subordinated convertible securities Network

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372 13001 - Disclosure - Borrowings Network

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376 13101 - Disclosure - Convertible bonds Network

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380 13201 - Disclosure - Bonds payable Network

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384 13301 - Disclosure - Medium-term notes Network

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388 13401 - Disclosure - Deferred government funding Network

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392 13501 - Disclosure - Trade and other payables Network

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396 13601 - Disclosure - Accrued liabilities Network

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399 Accrued liabilities Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfAccruedExpensesAndOtherLiabilitiesExplanatory
400 13701 - Disclosure - Share-based payments Network

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404 13801 - Disclosure - Risk Management Network

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408 13901 - Disclosure - Cash flow information Network

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412 14001 - Disclosure - Related party transactions Network

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416 14101 - Disclosure - Commitments for expenditure Network

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420 14201 - Disclosure - Financial information of parent company Network

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438 Changes in the Group's ownership interests in existing subsidiaries Concept (Text Block (HTML)) For Period smi:DescriptionOfAccountingPolicyForChangesInOwnershipInterestsInExistingSubsidiariesPolicyTextBlock
439 Separate principal statement Concept (Text Block (HTML)) For Period smi:SeparatePrincipalStatementPolicyTextBlock
440 Investments in associates Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForInvestmentInAssociates
441 Investments in joint ventures Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForInvestmentsInJointVentures
442 Non-current assets held-for-sale Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleExplanatory
443 Revenue recognition Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForRecognitionOfRevenue
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445 Interest income Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForInterestIncomeAndExpenseExplanatory
446 Foreign currencies Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory
447 Borrowing costs Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForBorrowingCostsExplanatory
448 Government funding Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForGovernmentGrants
449 Retirement benefits Concept (Text Block (HTML)) For Period smi:DescriptionOfAccountingPolicyForRetirementBenefitsPolicyTextBlock
450 Share-based payment arrangements Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory
451 Taxation Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForIncomeTaxExplanatory
452 Property, plant and equipment Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory
453 Land use right Concept (Text Block (HTML)) For Period smi:DescriptionOfAccountingPolicyForLandUseRightPolicyTextBlock
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455 Business combinations Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForBusinessCombinationsExplanatory
456 Goodwill Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForGoodwillExplanatory
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458 Leases Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForLeasesExplanatory
459 Cash and cash equivalents Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyToDetermineComponentsOfCashAndCashEquivalents
460 Restricted cash Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForRestrictedCashAndCashEquivalentsExplanatory
461 Inventories Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForMeasuringInventories
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476 30303 - Disclosure - Significant accounting policies (Tables) Network

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486 30603 - Disclosure - Significant customers (Tables) Network

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494 30803 - Disclosure - Finance costs (Tables) Network

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502 31003 - Disclosure - Income taxes (Tables) Network

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509 Schedule of changes in deferred tax assets and liabilities Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDeferredTaxesExplanatory
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514 31203 - Disclosure - Directors' remuneration (Tables) Network

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519 31303 - Disclosure - Five highest paid employees (Tables) Network

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524 31403 - Disclosure - Earnings per share (Tables) Network

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528 31603 - Disclosure - Property, plant and equipment (Tables) Network

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532 31703 - Disclosure - Intangible assets (Tables) Network

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536 31803 - Disclosure - Subsidiaries (Tables) Network

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565 32103 - Disclosure - Other financial assets (Tables) Network

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570 Fair value measurements recognized in the consolidated statement of financial position Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFairValueMeasurementExplanatory
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575 32303 - Disclosure - Inventories (Tables) Network

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579 32403 - Disclosure - Trade and other receivables (Tables) Network

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639 33803 - Disclosure - Risk Management (Tables) Network

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653 33903 - Disclosure - Cash flow information (Tables) Network

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664 34103 - Disclosure - Commitments for expenditure (Tables) Network

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669 34203 - Disclosure - Financial information of parent company (Tables) Network

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673 40201 - Disclosure - Application of new and revised International Financial Reporting Standards ("IFRSs") - IFRS 9 Financial Instruments (Details) Network

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773 40301 - Disclosure - Significant accounting policies - Retirement Plans (Details) Network

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780 Geographical areas [member] Member ifrs-full:GeographicalAreasMember
781 China, excluding the city of Shenzhen Member smi:ChinaExcludingCityOfShenzhenMember
782 Shenzhen Member smi:ShenzhenMember
783 Groups contribution plan LineItems smi:DefinedContributionGroupPlanLineItems
784 Percentage of the Group required to contribute to the state-managed retirement plan Concept (Percent) For Period smi:StateManagedRetirementPlanMatchingContributionPercent
785 40302 - Disclosure - Significant accounting policies - Useful lives property, plant and equipment & Intangible Assets (Details) Network

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http://www.smics.com/role/DisclosureSignificantAccountingPoliciesUsefulLivesPropertyPlantAndEquipmentIntangibleAssetsDetails
786 Disclosure of detailed information about property, plant and equipment [table] Table

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ifrs-full:DisclosureOfPropertyPlantAndEquipmentTable
787 Classes of property, plant and equipment [axis] Axis ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
788 Property, plant and equipment [member] Member ifrs-full:PropertyPlantAndEquipmentMember
789 Buildings Member ifrs-full:BuildingsMember
790 Plant and equipment Member ifrs-full:OtherPropertyPlantAndEquipmentMember
791 Office equipment Member ifrs-full:OfficeEquipmentMember
792 Range [axis] Axis ifrs-full:RangeAxis
793 Ranges [member] Member ifrs-full:RangesMember
794 Minimum Member ifrs-full:BottomOfRangeMember
795 Maximum Member ifrs-full:TopOfRangeMember
796 Property, plant and equipment LineItems ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems
797 Useful lives of property, plant and equipment used in the calculation of depreciation Concept (xbrli:durationItemType) For Period smi:UsefulLivesPropertyPlantAndEquipment
798 Term of the land use agreements Concept (xbrli:durationItemType) For Period smi:TermOfLandUseRight
799 Estimated useful lives of purchased intangible assets other than goodwill Concept (xbrli:durationItemType) For Period smi:UsefulLivesIntangibleAssetsOtherThanGoodwill
800 40303 - Disclosure - Significant accounting policies - Financial liabilities and equity instruments (Convertible Bonds) (Details) Network

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*

http://www.smics.com/role/DisclosureSignificantAccountingPoliciesFinancialLiabilitiesAndEquityInstrumentsConvertibleBondsDetails
801 Implied Table Table

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*

implied:Table
802 Significant accounting policies Abstract smi:DisclosureOfSummaryOfSignificantAccountingPoliciesExplanatoryAbstract
803 Gain or loss recognized in profit or loss upon conversion or expiration of the conversion option Concept (Monetary) For Period Credit smi:GainOrLossRecognizedInProfitOrLossUponConversionOrExpirationOfConversionOptionOfConvertibleBonds
804 40501 - Disclosure - Segment information - Narrative (Details) Network

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*

http://www.smics.com/role/DisclosureSegmentInformationNarrativeDetails
805 Disclosure of products and services [table] Table

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ifrs-full:DisclosureOfProductsAndServicesTable
806 Products and services [axis] Axis ifrs-full:ProductsAndServicesAxis
807 Products and services [member] Member ifrs-full:ProductsAndServicesMember
808 Mask making, testing and others Member smi:MaskMakingTestingAndOthersMember
809 Technology license Member smi:TechnologyLicenseMember
810 Disclosure of products and services [line items] LineItems ifrs-full:DisclosureOfProductsAndServicesLineItems
811 Number of operating segments Concept (Integer) For Period smi:IfrsNumberOfOperatingSegments
812 Number of principal geographical areas Concept (Integer) For Period smi:NumberOfGeographicalAreas
813 Revenue Concept (Monetary) For Period Credit ifrs-full:RevenueFromContractsWithCustomers
814 Contract liabilities Concept (Monetary) As Of Credit ifrs-full:CurrentContractLiabilities
815 Revenue recognized that was included in the contract liabilities Concept (Monetary) For Period Credit ifrs-full:RevenueThatWasIncludedInContractLiabilityBalanceAtBeginningOfPeriod
816 40502 - Disclosure - Segment information - Revenue by geographical areas (Details) Network

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http://www.smics.com/role/DisclosureSegmentInformationRevenueByGeographicalAreasDetails
817 Disclosure of geographical areas [table] Table

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*

ifrs-full:DisclosureOfGeographicalAreasTable
818 Geographical areas [axis] Axis ifrs-full:GeographicalAreasAxis
819 Geographical areas [member] Member ifrs-full:GeographicalAreasMember
820 United States Member country:US
821 Mainland China and Hong Kong Member smi:CNAndHKMember
822 Eurasia Member smi:EurasiaExcludingMainlandChinaAndHongKongMember
823 Disclosure of geographical areas [line items] LineItems ifrs-full:DisclosureOfGeographicalAreasLineItems
824 Revenue Concept (Monetary) For Period Credit ifrs-full:RevenueFromContractsWithCustomers
825 40503 - Disclosure - Segment information - Revenue by product type (Details) Network

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*

http://www.smics.com/role/DisclosureSegmentInformationRevenueByProductTypeDetails
826 Disclosure of products and services [table] Table

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*

ifrs-full:DisclosureOfProductsAndServicesTable
827 Products and services [axis] Axis ifrs-full:ProductsAndServicesAxis
828 Products and services [member] Member ifrs-full:ProductsAndServicesMember
829 Wafers Member smi:WaferMember
830 Mask making, testing and others Member smi:MaskMakingTestingAndOthersMember
831 Disclosure of products and services [line items] LineItems ifrs-full:DisclosureOfProductsAndServicesLineItems
832 Revenue Concept (Monetary) For Period Credit ifrs-full:RevenueFromContractsWithCustomers
833 40504 - Disclosure - Segment information - Property, plant and equipment by geographical location (Details) Network

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*

http://www.smics.com/role/DisclosureSegmentInformationPropertyPlantAndEquipmentByGeographicalLocationDetails
834 Disclosure of geographical areas [table] Table

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*

ifrs-full:DisclosureOfGeographicalAreasTable
835 Geographical areas [axis] Axis ifrs-full:GeographicalAreasAxis
836 Geographical areas [member] Member ifrs-full:GeographicalAreasMember
837 United States Member country:US
838 Europe Member smi:IfrsEuropeMember
839 Asia Member smi:IfrsAsiaExcludingMainlandChinaAndHongKongMember
840 Hong Kong Member country:HK
841 Mainland China Member country:CN
842 Property, plant and equipment by geographical location LineItems ifrs-full:DisclosureOfGeographicalAreasLineItems
843 Property, plant and equipment Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipment
844 40601 - Disclosure - Significant customers (Details) Network

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*

http://www.smics.com/role/DisclosureSignificantCustomersDetails
845 Disclosure of major customers [table] Table

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*

ifrs-full:DisclosureOfMajorCustomersTable
846 Major customers [axis] Axis ifrs-full:MajorCustomersAxis
847 Customers [member] Member ifrs-full:MajorCustomersMember
848 Customer A Member smi:CustomerMember
849 Customer B Member smi:CustomerBMember
850 Range [axis] Axis ifrs-full:RangeAxis
851 Ranges [member] Member ifrs-full:RangesMember
852 Minimum Member ifrs-full:BottomOfRangeMember
853 Significant customers revenue or gross accounts receivable LineItems ifrs-full:DisclosureOfMajorCustomersLineItems
854 Threshold percentage Concept (Percent) For Period smi:ConcentrationRiskThresholdPercentage
855 Revenue from contracts with customers Concept (Monetary) For Period Credit ifrs-full:RevenueFromContractsWithCustomers
856 Percentage of entity's revenue Concept (Percent) For Period ifrs-full:PercentageOfEntitysRevenue
857 Gross accounts receivable Concept (Monetary) As Of Debit smi:GrossAccountsReceivables
858 Percentage of the entity's gross receivables Concept (Percent) For Period smi:PercentageOfEntitysGrossReceivables
859 40701 - Disclosure - Other operating income, net (Details) Network

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*

http://www.smics.com/role/DisclosureOtherOperatingIncomeNetDetails
860 Implied Table Table

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implied:Table
861 Other operating income, net Abstract ifrs-full:MaterialIncomeAndExpenseAbstract
862 Gain (loss) on disposal of property, plant and equipment and assets classified as held-for-sale Concept (Monetary) For Period Credit smi:GainsLossesOnDisposalsOfPropertyPlantAndEquipmentAndAssetsClassifiedAsHeldForSale
863 Impairment loss recognized on tangible and intangible assets (Note 11) Concept (Monetary) For Period Debit smi:ImpairmentLossRecognisedInProfitOrLossProperty.PlantEquipmentIntangiblesAndGoodwill
864 Government funding (Note 34) Concept (Monetary) For Period Credit ifrs-full:RevenueFromGovernmentGrants
865 Others Concept (Monetary) For Period Credit smi:OtherOperatingIncomeExpenseOther
866 Other operating income, net Concept (Monetary) For Period Credit ifrs-full:OtherOperatingIncomeExpense
867 Gain related to sale and lease back transactions Concept (Monetary) For Period Credit ifrs-full:GainsLossesArisingFromSaleAndLeasebackTransactions
868 40801 - Disclosure - Finance costs (Details) Network

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*

http://www.smics.com/role/DisclosureFinanceCostsDetails
869 Finance costs Table

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ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable
870 Range [axis] Axis ifrs-full:RangeAxis
871 Ranges [member] Member ifrs-full:RangesMember
872 Weighted average Member ifrs-full:WeightedAverageMember
873 Finance costs LineItems ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems
874 Interest on bank and other borrowings Concept (Monetary) For Period Debit ifrs-full:InterestExpenseOnBorrowings
875 Finance leases Concept (Monetary) For Period Debit ifrs-full:InterestExpenseOnFinanceLeases
876 Convertible bonds Concept (Monetary) For Period Debit smi:InterestExpenseOnConvertibleBonds
877 Corporate bonds Concept (Monetary) For Period Debit smi:InterestExpenseOnCorporateBonds
878 Medium-term notes Concept (Monetary) For Period Debit smi:InterestExpenseOnDebtInstrumentsIssuedMediumTermNotes
879 Short-term notes Concept (Monetary) For Period Debit smi:InterestExpenseOnDebtInstrumentsIssuedShortTermNotes
880 Less: government funding (Note 34) Concept (Monetary) For Period Credit smi:GovernmentFundingRecognizedAsReductionOfInterestExpenseSpecificIntendedUse
881 Total interest expense Concept (Monetary) For Period ifrs-full:InterestCostsIncurred
882 Less: amounts capitalized Concept (Monetary) For Period ifrs-full:InterestCostsCapitalised
883 Total Concept (Monetary) For Period Debit ifrs-full:FinanceCosts
884 Borrowings, interest rate Concept (Percent) As Of ifrs-full:BorrowingsInterestRate
885 40901 - Disclosure - Other gains (losses), net (Details) Network

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*

http://www.smics.com/role/DisclosureOtherGainsLossesNetDetails
886 Disclosure of detailed information about financial instruments [table] Table

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*

ifrs-full:DisclosureOfFinancialInstrumentsTable
887 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
888 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
889 Cross currency swap contracts - cash flow hedges Member ifrs-full:CashFlowHedgesMember
890 Cross currency swap contracts Member ifrs-full:CurrencySwapContractMember
891 Foreign currency forward contracts Member smi:IfrsForeignExchangeForwardMember
892 Financial products sold by banks Member smi:FinancialProductsSoldByBanksMember
893 Equity securities Member us-gaap:EquitySecuritiesMember
894 Other derivative financial instruments Member smi:OtherDerivativeFinancialInstrumentsMember
895 Associates [axis] Axis ifrs-full:SignificantInvestmentsInAssociatesAxis
896 Entity's total for associates [member] Member ifrs-full:EntitysTotalForAssociatesMember
897 Suzhou Changjiang Electric Xinke Investment Co., Ltd. ("Changjiang Xinke") Member smi:SuzhouChangjiangElectricXinkeInvestmentCoLtdMember
898 Other gains or losses, net LineItems ifrs-full:DisclosureOfFinancialInstrumentsLineItems
899 Net gain (loss) arising on financial instruments at FVTPL Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLoss
900 Others Concept (Monetary) For Period Credit smi:OtherGainsLossesFromInvestmentInAssociates
901 Total Concept (Monetary) For Period Credit ifrs-full:OtherGainsLosses
902 Gain arising from disposal agreement Concept (Monetary) For Period Credit smi:GainArisingFromDisposalAgreement
903 Loss of potential cash compensation accrued Concept (Monetary) As Of Debit smi:LossOfPotentialCashCompensationAccrued
904 41001 - Disclosure - Income taxes - Income tax expense (benefit) (Details) Network

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*

http://www.smics.com/role/DisclosureIncomeTaxesIncomeTaxExpenseBenefitDetails
905 Implied Table Table

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implied:Table
906 Income taxes Abstract smi:IfrsIncomeTaxDisclosureAbstract
907 Income tax expense (benefit) Abstract ifrs-full:CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriodsAbstract
908 Current tax - Land Appreciation Tax Concept (Monetary) For Period Debit smi:CurrentLandAppreciationTaxExpenseIncome
909 Current tax - Enterprise Income Tax Concept (Monetary) For Period Debit ifrs-full:CurrentTaxExpenseIncome
910 Deferred tax Concept (Monetary) For Period ifrs-full:DeferredTaxExpenseIncomeRecognisedInProfitOrLoss
911 Income tax expense (benefit) Concept (Monetary) For Period Debit ifrs-full:IncomeTaxExpenseContinuingOperations
912 41002 - Disclosure - Income taxes - income tax expense (benefit) reconciled to the accounting profit (Details) Network

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http://www.smics.com/role/DisclosureIncomeTaxesIncomeTaxExpenseBenefitReconciledToAccountingProfitDetails
913 Implied Table Table

*

*

implied:Table
914 Income taxes Abstract smi:IfrsIncomeTaxDisclosureAbstract
915 Reconciliation of income tax expense (benefit) to the accounting profit Abstract ifrs-full:ReconciliationOfAccountingProfitMultipliedByApplicableTaxRatesAbstract
916 Profit before tax Concept (Monetary) For Period Credit ifrs-full:AccountingProfit
917 Income tax expense calculated at 15% (2017: 15% and 2016: 15%) Concept (Monetary) For Period Debit ifrs-full:TaxExpenseIncomeAtApplicableTaxRate
918 Effect of tax holiday Concept (Monetary) For Period Credit smi:TaxEffectOfTaxHoliday
919 Additional deduction for research and development expenditures Concept (Monetary) For Period Credit smi:TaxEffectOfAdditionalDeductionForResearchAndDevelopmentExpenditures
920 Tax losses for which no deferred tax assets were recognized Concept (Monetary) For Period Debit ifrs-full:TaxEffectOfTaxLosses
921 Reversal (utilization) of previously unrecognized tax losses of temporary differences Concept (Monetary) For Period Debit smi:ReversalUtilizationOfPreviouslyUnrecognizedTaxLossesOfTemporaryDifferences
922 Effect of different tax rates of subsidiaries operating in other jurisdictions Concept (Monetary) For Period Debit ifrs-full:TaxEffectOfForeignTaxRates
923 Others Concept (Monetary) For Period Debit ifrs-full:OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome
924 Income tax expense (benefit) Concept (Monetary) For Period Debit ifrs-full:IncomeTaxExpenseContinuingOperations
925 Offset future profit term Concept (xbrli:durationItemType) For Period smi:OffsetFutureProfitTerm
926 Corporate tax rate (as a percent) Concept (Percent) For Period smi:PreferentialTaxRate
927 41003 - Disclosure - Income taxes - Current tax liabilities (Details) Network

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*

http://www.smics.com/role/DisclosureIncomeTaxesCurrentTaxLiabilitiesDetails
928 Implied Table Table

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implied:Table
929 Income taxes Abstract smi:IfrsIncomeTaxDisclosureAbstract
930 Income tax payable Concept (Monetary) As Of Credit ifrs-full:CurrentTaxLiabilitiesCurrent
931 41004 - Disclosure - Income taxes - Deferred tax balances (Details) Network

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*

http://www.smics.com/role/DisclosureIncomeTaxesDeferredTaxBalancesDetails
932 Disclosure of temporary difference, unused tax losses and unused tax credits [table] Table

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*

ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable
933 Temporary difference, unused tax losses and unused tax credits [axis] Axis ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis
934 Temporary difference, unused tax losses and unused tax credits [member] Member ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember
935 Property, plant and equipment Member smi:TemporaryDifferencePropertyPlantAndEquipmentMember
936 Intangible assets Member ifrs-full:IntangibleAssetsAndGoodwillMember
937 Others Member ifrs-full:OtherTemporaryDifferencesMember
938 Deferred tax balances LineItems ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems
939 Analysis of deferred tax assets (liabilities) Abstract ifrs-full:DeferredTaxAssetsAndLiabilitiesAbstract
940 Deferred tax assets Concept (Monetary) As Of Debit ifrs-full:DeferredTaxAssets
941 Deferred tax liabilities Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilities
942 Net deferred tax assets (liabilities) Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilityAsset
943 41005 - Disclosure - Income taxes - Deferred tax rollforward (Details) Network

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*

http://www.smics.com/role/DisclosureIncomeTaxesDeferredTaxRollforwardDetails
944 Disclosure of temporary difference, unused tax losses and unused tax credits [table] Table

*

*

ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable
945 Temporary difference, unused tax losses and unused tax credits [axis] Axis ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis
946 Temporary difference, unused tax losses and unused tax credits [member] Member ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember
947 Property, plant and equipment Member smi:TemporaryDifferencePropertyPlantAndEquipmentMember
948 Capitalized interest Member smi:CapitalizedInterestMember
949 Intangible assets Member ifrs-full:IntangibleAssetsAndGoodwillMember
950 Others Member ifrs-full:OtherTemporaryDifferencesMember
951 Deferred tax balances LineItems ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems
952 Deferred tax assets/(liabilities) in relation to: Abstract ifrs-full:ReconciliationOfChangesInDeferredTaxLiabilityAssetAbstract
953 Opening balance Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilityAsset
954 Deconsolidation of subsidiary Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughLossOfControlOfSubsidiaryDeferredTaxLiabilityAsset
955 Reclassified as held-for-sale Concept (Monetary) For Period Credit smi:IncreaseDecreaseThroughReclassificationAsHeldForSale
956 Business Combination Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughBusinessCombinationsDeferredTaxLiabilityAsset
957 Recognize in profit or loss Concept (Monetary) For Period ifrs-full:DeferredTaxExpenseIncomeRecognisedInProfitOrLoss
958 Closing balance Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilityAsset
959 41006 - Disclosure - Income taxes - Narrative (Details) Network

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*

http://www.smics.com/role/DisclosureIncomeTaxesNarrativeDetails
960 Disclosure of geographical areas [table] Table

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*

ifrs-full:DisclosureOfGeographicalAreasTable
961 Geographical areas [axis] Axis ifrs-full:GeographicalAreasAxis
962 Geographical areas [member] Member ifrs-full:GeographicalAreasMember
963 ITALY Member country:IT
964 Separate management entities [axis] Axis ifrs-full:SeparateManagementEntitiesAxis
965 Separate management entities [member] Member ifrs-full:SeparateManagementEntitiesMember
966 Semiconductor Manufacturing International (Shanghai) Corporation ("SMIS" or "SMIC Shanghai") Member smi:SemiconductorManufacturingInternationalShanghaiCorporationMember
967 Semiconductor Manufacturing International (Tianjin) Corporation ("SMIT" or "SMIC Tianjin") Member smi:SemiconductorManufacturingInternationalTianjinCorporationMember
968 Semiconductor Manufacturing International (Beijing) Corporation ("SMIB" or "SMIC Beijing") Member smi:SemiconductorManufacturingInternationalBeijingCorporationMember
969 SMIC Shenzhen, SMNC and SJ Jiangyin Member smi:SemiconductorManufacturingInternationalShenzhenCorporationSemiconductorManufacturingNorthChinaBeijingCorporationAndSJSemiconductorJiangyinCorporationMember
970 ifrs Scenario [Axis] Axis smi:IfrsScenarioAxis
971 ifrs Scenario, Unspecified [Domain] Member smi:IfrsScenarioUnspecifiedDomain
972 Forecast Member smi:IfrsScenarioForecastMember
973 Disclosure of geographical areas [line items] LineItems ifrs-full:DisclosureOfGeographicalAreasLineItems
974 Tax rates Abstract ifrs-full:ReconciliationOfAverageEffectiveTaxRateAndApplicableTaxRateAbstract
975 Enterprise income tax rate (as a percent) Concept (Percent) For Period ifrs-full:ApplicableTaxRate
976 Preferential tax rate (as a percent) Concept (Percent) For Period smi:PreferentialTaxRate
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978 Full exemption period Concept (xbrli:durationItemType) For Period smi:TaxHolidayFullExemptionPeriod
979 Half tax reduction period Concept (xbrli:durationItemType) For Period smi:TaxHolidayReducedRateExemptionPeriod
980 Tax losses with no deferred tax assets recognized Concept (Monetary) As Of ifrs-full:UnusedTaxLossesForWhichNoDeferredTaxAssetRecognised
981 Tax losses expiring in 2019 Concept (Monetary) As Of Debit smi:UnusedTaxLossesForWhichNoDeferredTaxAssetRecognisedExpireYearOne
982 Tax losses expiring in 2020 Concept (Monetary) As Of Debit smi:UnusedTaxLossesForWhichNoDeferredTaxAssetRecognisedExpireYearTwo
983 Tax losses expiring in 2021 Concept (Monetary) As Of Debit smi:UnusedTaxLossesForWhichNoDeferredTaxAssetRecognisedExpireYearThree
984 Tax losses expiring in 2022 Concept (Monetary) As Of Debit smi:UnusedTaxLossesForWhichNoDeferredTaxAssetRecognisedExpireYearFour
985 Tax losses expiring in 2023 Concept (Monetary) As Of Debit smi:UnusedTaxLossesForWhichNoDeferredTaxAssetRecognisedExpireYearFive
986 41101 - Disclosure - Profit for the year (Details) Network

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http://www.smics.com/role/DisclosureProfitForYearDetails
987 Implied Table Table

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implied:Table
988 Profit for the year Abstract ifrs-full:ProfitLossAbstract
989 Impairment losses on assets Abstract ifrs-full:DisclosureOfImpairmentLossAndReversalOfImpairmentLossAbstract
990 Bad debt allowance on trade receivables (Note 38) Concept (Monetary) For Period Debit ifrs-full:ImpairmentLossRecognisedInProfitOrLossTradeReceivables
991 Reversal of bad debt allowance on doubtful trade receivables (Note 38) Concept (Monetary) For Period Credit ifrs-full:ReversalOfImpairmentLossRecognisedInProfitOrLossTradeReceivables
992 Reversal of bad debt allowance on doubtful other receivables Concept (Monetary) For Period Credit smi:ReversalOfImpairmentLossRecognisedInProfitOrLossOtherReceivables
993 Impairment losses on inventory (Note 23) Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossInventories
994 Impairment losses on tangible assets (Note 16) Concept (Monetary) For Period ifrs-full:ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment
995 Impairment losses on intangible assets (Note 17) Concept (Monetary) For Period ifrs-full:ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsAndGoodwill
996 Impairment loss on assets Concept (Monetary) For Period Debit ifrs-full:ImpairmentLossRecognisedInProfitOrLoss
997 Depreciation and amortization expense Abstract ifrs-full:DepreciationAndAmortisationExpenseAbstract
998 Depreciation of property, plant and equipment (Note 16) Concept (Monetary) For Period ifrs-full:DepreciationPropertyPlantAndEquipment
999 Amortization of intangible assets (Note 17) Concept (Monetary) For Period ifrs-full:AmortisationIntangibleAssetsOtherThanGoodwill
1000 Amortization of land use right Concept (Monetary) For Period Debit smi:AmortizationIntangibleAssetsAndLandUseRight
1001 Total depreciation and amortisation expense Concept (Monetary) For Period Debit ifrs-full:DepreciationAndAmortisationExpense
1002 Employee benefits expense Abstract ifrs-full:ClassesOfEmployeeBenefitsExpenseAbstract
1003 Wages, salaries and social security contributions Concept (Monetary) For Period Debit smi:WagesSalariesAndSocialSecurityContributions
1004 Bonus Concept (Monetary) For Period Debit smi:Bonus
1005 Non-monetary benefits Concept (Monetary) For Period Debit smi:NonMonetaryBenefits
1006 Equity-settled share-based payments (Note 37) Concept (Monetary) For Period Debit ifrs-full:ExpenseFromSharebasedPaymentTransactionsWithEmployees
1007 Total employee benefits expense Concept (Monetary) For Period Debit ifrs-full:EmployeeBenefitsExpense
1008 Royalties expense Abstract smi:RoyaltyExpenseAbstract
1009 Royalties expense Concept (Monetary) For Period Debit ifrs-full:RoyaltyExpense
1010 Government funding Abstract smi:GovernmentFundingAbstract
1011 For specific R&D projects (see Note 34) Concept (Monetary) For Period Credit smi:GovernmentFundingRecognizedAsReductionsOfCertainResearchAndDevelopmentExpensesSpecificResearchAndDevelopmentProjects
1012 For specific intended use (Note 34) Concept (Monetary) For Period Credit smi:GovernmentFundingRecognizedSpecificIntendedUse
1013 Government funding Concept (Monetary) For Period Credit smi:GovernmentFundingRecognized
1014 Auditors' remuneration Abstract ifrs-full:AuditorsRemunerationAbstract
1015 Audit services Concept (Monetary) For Period Debit ifrs-full:AuditorsRemunerationForAuditServices
1016 Non-audit services Concept (Monetary) For Period Debit smi:AuditorsRemunerationForNonAuditServices
1017 Auditor's remuneration Concept (Monetary) For Period Debit ifrs-full:AuditorsRemuneration
1018 41201 - Disclosure - Directors' remuneration (Details) Network

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http://www.smics.com/role/DisclosureDirectorsRemunerationDetails
1019 Disclosure of transactions between related parties [table] Table

*

*

ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesTable
1020 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
1021 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
1022 Directors Member smi:IfrsDirectorMember
1023 Independent non-executive directors Member smi:IndependentNonExecutiveDirectorsMember
1024 William Tudor Brown Member smi:WilliamTudorBrownMember
1025 Chiang Shang-yi Member smi:ShangYiChiangMember
1026 Cong Jingsheng Jason Member smi:JasonJingshengCongMember
1027 Lau Lawrence Juen-Yee Member smi:LauLawrenceJuenYeeMember
1028 Fan Ren Da Anthony Member smi:FanRenDaAnthonyMember
1029 Lip-Bu Tan Member smi:LipBuTanMember
1030 Carmen I-Hua Chang Member smi:CarmenIHuaChangMember
1031 Sean Maloney Member smi:SeanMaloneyMember
1032 Executive directors Member smi:ExecutiveDirectorsMember
1033 Zhou Zixue Member smi:ZhouZixueMember
1034 Zhao Haijun Member smi:ZhaoHaijunMember
1035 Liang Mong Song Member smi:LiangMongSongMember
1036 Gao Yonggang Member smi:GaoYonggangMember
1037 Tzu-Yin Chiu Member smi:ExecutiveDirectorsTzuYinChiuMember
1038 Non-executive director Member smi:NonExecutiveDirectorMember
1039 Chen Shanzhi Member smi:ChenShanzhiMember
1040 Ren Kai Member smi:RenKaiMember
1041 Lu Jun Member smi:LuJunMember
1042 Tong Guohua Member smi:TongGuohuaMember
1043 Tzu-Yin Chiu Member smi:NonExecutiveDirectorTzuYinChiuMember
1044 Related party LineItems ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesLineItems
1045 Salaries, bonus and benefits Concept (Monetary) For Period Debit smi:SalariesBenefitsAndBonus
1046 Equity-settled share-based payments Concept (Monetary) For Period Debit ifrs-full:KeyManagementPersonnelCompensationSharebasedPayment
1047 Total Concept (Monetary) For Period Debit ifrs-full:DirectorsRemunerationExpense
1048 Granted during the period, options Concept (Decimal) For Period ifrs-full:NumberOfShareOptionsGrantedInSharebasedPaymentArrangement
1049 Granted during the period after Share Consolidation effect, options Concept (Shares) For Period smi:NumberOfShareOptionsGrantedInShareBasedPaymentArrangementAfterShareConsolidation
1050 Exercised during the period, options Concept (Decimal) For Period ifrs-full:NumberOfShareOptionsExercisedInSharebasedPaymentArrangement
1051 Exercised during the period after Share Consolidation effect, options Concept (Shares) For Period smi:NumberOfShareOptionsExercisedInShareBasedPaymentArrangementAfterShareConsolidation
1052 Expired during the period, options Concept (Decimal) For Period ifrs-full:NumberOfShareOptionsExpiredInSharebasedPaymentArrangement
1053 Expired during the period after Share Consolidation effect, options Concept (Shares) For Period smi:NumberOfShareOptionsExpiredInShareBasedPaymentArrangementAfterShareConsolidation
1054 Granted during the period, non-options Concept (Decimal) For Period ifrs-full:NumberOfInstrumentsOtherEquityInstrumentsGranted
1055 Granted during the period after Share Consolidation effect, non-options Concept (Shares) For Period smi:NumberOfInstrumentsOtherEquityInstrumentsGrantedAfterShareConsolidation
1056 Vested during period, non-options Concept (Decimal) For Period smi:NumberOfOtherEquityInstrumentsVestedInShareBasedPaymentArrangement
1057 Vested during the period after Share Consolidation effect, non-options Concept (Shares) For Period smi:NumberOfInstrumentsOtherEquityInstrumentsVestedAfterShareConsolidation
1058 Forfeited during the period, non-options Concept (Decimal) For Period ifrs-full:NumberOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement
1059 Other emoluments payable during the year Concept (Monetary) For Period Debit ifrs-full:KeyManagementPersonnelCompensationTerminationBenefits
1060 Other emoluments waived during the year Concept (Monetary) For Period Debit smi:OtherEmolumentsWaived
1061 Share consolidation ratio Concept (Pure) As Of smi:ShareConsolidationRatio
1062 Par value per share Concept (Share) As Of ifrs-full:ParValuePerShare
1063 41301 - Disclosure - Five highest paid employees (Details) Network

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*

http://www.smics.com/role/DisclosureFiveHighestPaidEmployeesDetails
1064 Disclosure Of Highest Paid Employees [Table] Table

*

*

smi:DisclosureOfHighestPaidEmployeesTable
1065 Counterparties [axis] Axis ifrs-full:CounterpartiesAxis
1066 Counterparties [member] Member ifrs-full:CounterpartiesMember
1067 Highest paid employees Member smi:HighlyPaidEmployeesMember
1068 Highly paid directors Member smi:HighlyPaidDirectorsMember
1069 Highly paid non-directors Member smi:HighlyPaidNonDirectorsMember
1070 Disclosure of Highest Paid Employees [Line Items] LineItems smi:DisclosureOfHighestPaidEmployeesLineItems
1071 Number of highest paid individuals Concept (Integer) For Period smi:NumberOfHighestPaidIndividuals
1072 Salaries and benefits Concept (Monetary) For Period Debit smi:SalariesAndBenefits
1073 Bonus Concept (Monetary) For Period Debit smi:Bonus
1074 Equity-settled share-based payment Concept (Monetary) For Period Debit ifrs-full:ExpenseFromSharebasedPaymentTransactionsWithEmployees
1075 Total employee benefits expense Concept (Monetary) For Period Debit ifrs-full:EmployeeBenefitsExpense
1076 Emoluments paid to the highest paid individuals Concept (Monetary) For Period Debit ifrs-full:TerminationBenefitsExpense
1077 41302 - Disclosure - Five highest paid employees - Number of non-director, highest paid individuals (Details) Network

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*

http://www.smics.com/role/DisclosureFiveHighestPaidEmployeesNumberOfNonDirectorHighestPaidIndividualsDetails
1078 Disclosure Of Highest Paid Employees [Table] Table

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*

smi:DisclosureOfHighestPaidEmployeesTable
1079 Counterparties [axis] Axis ifrs-full:CounterpartiesAxis
1080 Counterparties [member] Member ifrs-full:CounterpartiesMember
1081 Highly paid non-directors Member smi:HighlyPaidNonDirectorsMember
1082 Range [axis] Axis ifrs-full:RangeAxis
1083 Ranges [member] Member ifrs-full:RangesMember
1084 HK$4,000,001 (US$510,761) to HK$4,500,000 (US$574,605) Member smi:HighestPaidEmployeesRangeOneMember
1085 HK$4,500,001 (US$574,606) to HK$5,000,000 (US$630,450) Member smi:HighestPaidEmployeesRangeTwoMember
1086 HK$5,000,001 (US$630,451) to HK$5,500,000 (US$702,295) Member smi:HighestPaidEmployeesRangeThreeMember
1087 HK$6,500,001 (US$829,986) to HK$7,000,000 (US$893,830) Member smi:HighestPaidEmployeesRangeFourMember
1088 Highest paid employees LineItems smi:DisclosureOfHighestPaidEmployeesLineItems
1089 Number of highest paid individuals Concept (Integer) For Period smi:NumberOfHighestPaidIndividuals
1090 41401 - Disclosure - Earnings per share (Details) Network

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*

http://www.smics.com/role/DisclosureEarningsPerShareDetails
1091 Earnings per share [table] Table

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*

ifrs-full:EarningsPerShareTable
1092 Ifrs Antidilutive Securities [Axis] Axis smi:IfrsAntidilutiveSecuritiesAxis
1093 Ifrs Antidilutive Securities, Name [Domain] Member smi:IfrsAntidilutiveSecuritiesNameDomain
1094 Employee stock options Member smi:IfrsEmployeeStockOptionMember
1095 Conversion of convertible bonds Member smi:IfrsConvertibleDebtSecuritiesMember
1096 Perpetual subordinated convertible securities Member smi:PerpetualSubordinatedConvertibleSecuritiesMember
1097 Classes of ordinary shares [axis] Axis ifrs-full:ClassesOfOrdinarySharesAxis
1098 Ordinary shares Member ifrs-full:OrdinarySharesMember
1099 Potential shares Member smi:PotentialSharesMember
1100 Earnings per share LineItems ifrs-full:EarningsPerShareLineItems
1101 Basic earnings per share Abstract ifrs-full:BasicEarningsPerShareAbstract
1102 Profit (loss) attributable to owners Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToOwnersOfParent
1103 Distribution to perpetual subordinated convertible securities holders Concept (Monetary) For Period Debit smi:DistributionToPerpetualSubordinatedConvertibleSecuritiesHolders
1104 Earnings used in the calculation of basic earnings per share Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntity
1105 Weighted average number of ordinary shares for the purpose of basic earnings per share Concept (Shares) For Period ifrs-full:WeightedAverageShares
1106 Basic earnings per share Concept (Share) For Period ifrs-full:BasicEarningsLossPerShare
1107 Share Consolidation ratio Concept (Pure) As Of smi:ShareConsolidationRatio
1108 Par value per share Concept (Share) As Of ifrs-full:ParValuePerShare
1109 Diluted earnings per share Abstract ifrs-full:DilutedEarningsPerShareAbstract
1110 Earnings used in the calculation of basic earnings per share Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntity
1111 Interest expense from convertible bonds Concept (Monetary) For Period Credit smi:AdjustmentToProfitLossForInterestExpenseFromConvertibleBonds
1112 Earnings used in the calculation of diluted earnings per share Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntityIncludingDilutiveEffects
1113 Weighted average number of ordinary shares used in the calculation of basic earnings per share Concept (Shares) For Period ifrs-full:WeightedAverageShares
1114 Employee option and restricted share units Concept (Shares) For Period ifrs-full:DilutiveEffectOfShareOptionsOnNumberOfOrdinaryShares
1115 Convertible bonds Concept (Shares) For Period ifrs-full:DilutiveEffectOfConvertibleInstrumentsOnNumberOfOrdinaryShares
1116 Perpetual subordinated convertible securities Concept (Shares) For Period smi:DilutiveEffectOfPerpetualSubordinatedConvertibleSecurities
1117 Weighted average number of ordinary shares used in the calculation of diluted earnings per share Concept (Shares) For Period ifrs-full:AdjustedWeightedAverageShares
1118 Diluted earnings per share Concept (Share) For Period ifrs-full:DilutedEarningsLossPerShare
1119 Antidilutive securities excluded from computation of diluted earnings per share Concept (Shares) For Period smi:AntidilutiveSecuritiesExcludedFromComputationOfDilutedEarningsPerShare
1120 41501 - Disclosure - Dividend (Details) Network

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http://www.smics.com/role/DisclosureDividendDetails
1121 Implied Table Table

*

*

implied:Table
1122 Dividend Abstract smi:IfrsDividendsAbstract
1123 Payment of dividend Concept (Monetary) For Period Debit ifrs-full:DividendsPaid
1124 41601 - Disclosure - Property, plant and equipment (Details) Network

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http://www.smics.com/role/DisclosurePropertyPlantAndEquipmentDetails
1125 Disclosure of detailed information about property, plant and equipment [table] Table

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*

ifrs-full:DisclosureOfPropertyPlantAndEquipmentTable
1126 Classes of property, plant and equipment [axis] Axis ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
1127 Property, plant and equipment [member] Member ifrs-full:PropertyPlantAndEquipmentMember
1128 Land Member ifrs-full:LandMember
1129 Buildings Member ifrs-full:BuildingsMember
1130 Plant and equipment Member smi:PlantAndEquipmentMember
1131 Office equipment Member ifrs-full:OfficeEquipmentMember
1132 Construction in progress (CIP) Member ifrs-full:ConstructionInProgressMember
1133 Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Axis ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
1134 Carrying amount [member] Member ifrs-full:CarryingAmountMember
1135 Cost Member ifrs-full:GrossCarryingAmountMember
1136 Accumulated depreciation and impairment Member ifrs-full:AccumulatedDepreciationAmortisationAndImpairmentMember
1137 Property, plant and equipment LineItems ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems
1138 Property, plant and equipment at beginning of the year Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipment
1139 Business combination Concept (Monetary) For Period Debit ifrs-full:AcquisitionsThroughBusinessCombinationsPropertyPlantAndEquipment
1140 Transfer from (out) CIP Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseThroughTransfersFromConstructionInProgressPropertyPlantAndEquipment
1141 Addition Concept (Monetary) For Period Debit ifrs-full:AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment
1142 Disposals Concept (Monetary) For Period Credit ifrs-full:DisposalsPropertyPlantAndEquipment
1143 Depreciation expense Concept (Monetary) For Period ifrs-full:DepreciationPropertyPlantAndEquipment
1144 Impairment loss recognised on property, plant and equipment Concept (Monetary) For Period ifrs-full:ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment
1145 Deconsolidation of subsidiary due to loss of control Concept (Monetary) For Period Credit ifrs-full:DecreaseThroughLossOfControlOfSubsidiaryPropertyPlantAndEquipment
1146 Reclassified as held-for-sale (Note 25) Concept (Monetary) For Period Credit ifrs-full:DecreaseThroughClassifiedAsHeldForSalePropertyPlantAndEquipment
1147 Exchange differences Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment
1148 Property, plant and equipment at end of the year Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipment
1149 41602 - Disclosure - Property, plant and equipment - Narrative (Details) Network

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http://www.smics.com/role/DisclosurePropertyPlantAndEquipmentNarrativeDetails
1150 Disclosure of detailed information about property, plant and equipment [table] Table

*

*

ifrs-full:DisclosureOfPropertyPlantAndEquipmentTable
1151 Classes of property, plant and equipment [axis] Axis ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
1152 Property, plant and equipment [member] Member ifrs-full:PropertyPlantAndEquipmentMember
1153 Construction in progress (CIP) Member ifrs-full:ConstructionInProgressMember
1154 Plant Type [Axis] Axis smi:PlantTypeAxis
1155 Plant Type [Member] Member smi:PlantTypeMember
1156 300mm fab Member smi:FabricationPlant300MMMember
1157 200mm fab Member smi:FabricationPlant200MMMember
1158 Categories of facilities [axis] Axis smi:CategoriesOfFacilitiesAxis
1159 Categories of facilities [domain] Member smi:CategoriesOfFacilitiesDomain
1160 Beijing fabrication facilities Member smi:BeijingFabricationPlantMember
1161 Shanghai fabrication facilities Member smi:ShanghaiFabricationPlantMember
1162 Shenzhen fabrication facility Member smi:ShenzhenFabricationPlantMember
1163 Tianjin fabrication facility Member smi:TianjingFabricationPlantMember
1164 Subsidiaries [axis] Axis ifrs-full:SignificantInvestmentsInSubsidiariesAxis
1165 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
1166 Subsidiary for research and development activities Member smi:SubsidiaryForResearchAndDevelopmentActivitiesMember
1167 Other SMIC subsidiaries Member smi:OtherSmicSubsidiariesMember
1168 Property, plant and equipment LineItems ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems
1169 Property, plant and equipment Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipment
1170 Number of facilities Concept (Decimal) As Of smi:NumberOfPlants
1171 Impairment losses on tangible assets (Note 16) Concept (Monetary) For Period ifrs-full:ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment
1172 Assets pledged as security Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipmentPledgedAsSecurity
1173 Interest costs capitalised Concept (Monetary) For Period ifrs-full:InterestCostsCapitalised
1174 Depreciation expense on capitalised interest Concept (Monetary) For Period Debit smi:DepreciationExpenseOnCapitalisedInterest
1175 41701 - Disclosure - Intangible assets (Details) Network

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http://www.smics.com/role/DisclosureIntangibleAssetsDetails
1176 Disclosure of reconciliation of changes in intangible assets and goodwill [table] Table

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*

ifrs-full:DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillTable
1177 Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Axis ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
1178 Carrying amount [member] Member ifrs-full:CarryingAmountMember
1179 Cost Member ifrs-full:GrossCarryingAmountMember
1180 Accumulated amortization and impairment Member ifrs-full:AccumulatedDepreciationAndAmortisationMember
1181 Classes of intangible assets and goodwill [axis] Axis ifrs-full:ClassesOfIntangibleAssetsAndGoodwillAxis
1182 Intangible assets Member ifrs-full:IntangibleAssetsAndGoodwillMember
1183 Goodwill Member ifrs-full:GoodwillMember
1184 Other intangible assets Member ifrs-full:IntangibleAssetsOtherThanGoodwillMember
1185 Intangible assets LineItems ifrs-full:DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillLineItems
1186 Rollforward of intangible assets Abstract ifrs-full:ReconciliationOfChangesInIntangibleAssetsAndGoodwillAbstract
1187 Intangible assets and goodwill at beginning of the year Concept (Monetary) As Of Debit ifrs-full:IntangibleAssetsAndGoodwill
1188 Business combination Concept (Monetary) For Period Debit ifrs-full:AcquisitionsThroughBusinessCombinationsIntangibleAssetsAndGoodwill
1189 Additions Concept (Monetary) For Period Debit ifrs-full:AdditionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill
1190 Amortization expense for the year Concept (Monetary) For Period ifrs-full:AmortisationIntangibleAssetsOtherThanGoodwill
1191 Impairment loss Concept (Monetary) For Period ifrs-full:ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsAndGoodwill
1192 Deconsolidation of subsidiary due to loss of control Concept (Monetary) For Period Credit ifrs-full:DecreaseThroughLossOfControlOfSubsidiaryIntangibleAssetsAndGoodwill
1193 Expired and disposal Concept (Monetary) For Period Credit ifrs-full:DisposalsAndRetirementsIntangibleAssetsAndGoodwill
1194 Reclassified as held-for-sale Concept (Monetary) For Period Credit ifrs-full:DecreaseThroughClassifiedAsHeldForSaleIntangibleAssetsAndGoodwill
1195 Exchange differences Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesIntangibleAssetsAndGoodwill
1196 Intangible assets and goodwill at end of the year Concept (Monetary) As Of Debit ifrs-full:IntangibleAssetsAndGoodwill
1197 Amortisation expenses included in cost of sales Concept (Monetary) For Period Debit smi:AmortisationIncludedInCostOfSalesIntangibleAssetsOtherThanGoodwill
1198 Amortisation expenses included in research and development expenses Concept (Monetary) For Period Debit smi:AmortisationIncludedInResearchAndDevelopmentExpensesIntangibleAssetsOtherThanGoodwill
1199 41801 - Disclosure - Subsidiaries - Summary (Details) Network

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http://www.smics.com/role/DisclosureSubsidiariesSummaryDetails
1200 Disclosure of subsidiaries [table] Table

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*

ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesTable
1201 Subsidiaries [axis] Axis ifrs-full:SignificantInvestmentsInSubsidiariesAxis
1202 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
1203 Better Way Enterprises Limited ("Better Way") Member smi:BetterWayEnterprisesLimitedMember
1204 Semiconductor Manufacturing International (Shanghai) Corporation ("SMIS" or "SMIC Shanghai") Member smi:SemiconductorManufacturingInternationalShanghaiCorporationMember
1205 SMIC, Americas Member smi:SmicAmericasMember
1206 Semiconductor Manufacturing International (Beijing) Corporation ("SMIB" or "SMIC Beijing") Member smi:SemiconductorManufacturingInternationalBeijingCorporationMember
1207 SMIC Japan Member smi:SmicJapanMember
1208 SMIC Europe S.R.L Member smi:SmicEuropeSrlMember
1209 Semiconductor Manufacturing International (Solar Cell) Corporation Member smi:SemiconductorManufacturingInternationalSolarCellCorporationMember
1210 Smic Investment Shanghai Corporation Member Member smi:SmicInvestmentShanghaiCorporationMember
1211 Semiconductor Manufacturing International (Tianjin) Corporation ("SMIT" or "SMIC Tianjin") Member smi:SemiconductorManufacturingInternationalTianjinCorporationMember
1212 SMIC Development (Chengdu) Corporation ("SMICD") Member smi:SmicDevelopmentChengduCorporationMember
1213 Semiconductor Manufacturing International (BVI) Corporation ("SMIC (BVI)") Member smi:SemiconductorManufacturingInternationalBviCorporationMember
1214 Admiral Investment Holdings Limited Member smi:AdmiralInvestmentHoldingsLimitedMember
1215 SMIC Shanghai (Cayman) Corporation Member smi:SmicShanghaiCaymanCorporationMember
1216 SMIC Beijing (Cayman) Corporation Member smi:SmicBeijingCaymanCorporationMember
1217 SMIC Tianjin (Cayman) Corporation Member smi:SmicTianjinCaymanCorporationMember
1218 SilTech Semiconductor Corporation Member smi:SiltechSemiconductorCorporationMember
1219 SMIC Shenzhen (Cayman) Corporation Member smi:SmicShenzhenCaymanCorporationMember
1220 SMIC Advanced Technology Research and Development (Shanghai) Corporation Member smi:SmicAdvancedTechnologyResearchDevelopmentShanghaiCorporationMember
1221 SMIC Holdings Corporation Member smi:SmicHoldingsCorporationMember
1222 SJ Semiconductor Corporation Member smi:SjSemiconductorCorporationMember
1223 Magnificent Tower Limited Member smi:MagnificentTowerLimitedMember
1224 SMIC Hong Kong International Company Limited (formerly "SMIC Shanghai (HK) Company Limited") Member smi:SmicHongKongInternationalCompanyLimitedMember
1225 SMIC Beijing (HK) Company Limited Member smi:SmicBeijingHkCompanyLimitedMember
1226 SMIC Tianjin (HK) Company Limited Member smi:SmicTianjinHkCompanyLimitedMember
1227 SMIC Solar Cell (HK) Company Limited Member smi:SmicSolarCellHkCompanyLimitedMember
1228 SMIC Shenzhen (HK) Company Limited Member smi:SmicShenzhenHkCompanyLimitedMember
1229 SilTech Semiconductor (Hong Kong) Corporation Limited Member smi:SiltechSemiconductorHongKongCorporationLimitedMember
1230 Semiconductor Manufacturing International (Shenzhen) Corporation Member smi:SemiconductorManufacturingInternationalShenzhenCorporationMember
1231 SilTech Semiconductor (Shanghai) Corporation Limited ("SilTech Shanghai") Member smi:SiltechSemiconductorShanghaiCorporationLimitedMember
1232 Semiconductor Manufacturing North China (Beijing) Corporation ("SMNC") Member smi:SemiconductorManufacturingNorthChinaBeijingCorporationMember
1233 China IC Capital Co., Ltd Member smi:ChinaIcCapitalCoLtdMember
1234 China Ic Capital Ningbo Co Ltd Member Member smi:ChinaIcCapitalNingboCoLtdMember
1235 Shanghai Hexin Investment Management Limited Partnership Member smi:ShanghaiHexinInvestmentManagementLimitedPartnershipMember
1236 SJ Semiconductor (HK) Limited Member smi:SjSemiconductorHkLimitedMember
1237 SJ Semiconductor (Jiangyin) Corporation ("SJ Jiangyin") Member smi:SjSemiconductorJiangyinCorporationMember
1238 LFoundry S.r.l. ("LFoundry") Member smi:LfoundrySrlMember
1239 Semiconductor Manufacturing South China Corporation Member smi:SemiconductorManufacturingSouthChinaCorporationMember
1240 SJ Semiconductor USA Co. Member smi:SjSemiconductorUsaCoMember
1241 SMIC (Sofia) EOOD Member smi:SmicSofiaEoodMember
1242 SMIC Innovation Design Center (Ningbo) Co., Ltd. Member smi:SmicInnovationDesignCenterNingboCoLtdMember
1243 North China IC Innovation Center (Beijing) Co., Ltd Member smi:NorthChinaIcInnovationCenterBeijingCoLtdMember
1244 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
1245 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
1246 SMIC Holdings Corporation Member smi:SmicHoldingsCorporationMember
1247 China Integrated Circuit Industry Investment Fund Co., Ltd., (the "China IC Fund") Member smi:ChinaIntegratedCircuitIndustryInvestmentFundCoLtdMember
1248 E Town Capital Member smi:BeijingETownInternationalInvestmentDevelopmentCoLtdMember
1249 Shanghai IC Fund Member smi:ShanghaiIntegratedCircuitIndustryInvestmentFundCoLtdMember
1250 Business combinations [axis] Axis ifrs-full:BusinessCombinationsAxis
1251 Entity's total for business combinations [member] Member ifrs-full:EntitysTotalForBusinessCombinationsMember
1252 LFoundry S.r.l. ("LFoundry") Member smi:LfoundrySrlMember
1253 Subsidiaries LineItems ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesLineItems
1254 Paid up registered capital Concept (Monetary) As Of Credit smi:PaidUpRegisteredCapital
1255 Proportion of ownership interest held by the Company (as a percent) Concept (Percent) For Period ifrs-full:ProportionOfOwnershipInterestInSubsidiary
1256 Proportion of voting power held by the Company (as a percent) Concept (Percent) For Period ifrs-full:ProportionOfVotingPowerHeldInSubsidiary
1257 Capital contribution made into the registered capital Concept (Monetary) For Period Credit smi:CapitalContributionMadeIntoRegisteredCapital
1258 Registered capital Concept (Monetary) As Of Credit smi:RegisteredCapital
1259 Proportion of ownership interest Concept (Percent) For Period ifrs-full:ProportionOfOwnershipInterestInAssociate
1260 Cash Contribution to Registered Capital Concept (Monetary) As Of Credit smi:CashContributionToRegisteredCapital
1261 Percentage of ownership interest in joint venture Concept (Percent) For Period ifrs-full:ProportionOfOwnershipInterestInJointVenture
1262 Percentage of equity interests acquired Concept (Percent) As Of ifrs-full:PercentageOfVotingEquityInterestsAcquired
1263 Acquisition consideration Concept (Monetary) As Of Credit ifrs-full:AcquisitiondateFairValueOfTotalConsiderationTransferred
1264 Goodwill Concept (Monetary) As Of Debit ifrs-full:Goodwill
1265 41802 - Disclosure - Subsidiaries - subsidiaries with material NCI (Details) Network

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*

http://www.smics.com/role/DisclosureSubsidiariesSubsidiariesWithMaterialNciDetails
1266 Disclosure of subsidiaries [table] Table

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*

ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesTable
1267 Subsidiaries [axis] Axis ifrs-full:SignificantInvestmentsInSubsidiariesAxis
1268 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
1269 Subsidiaries with material non-controlling interests Member ifrs-full:SubsidiariesWithMaterialNoncontrollingInterestsMember
1270 Semiconductor Manufacturing North China (Beijing) Corporation ("SMNC") Member smi:SemiconductorManufacturingNorthChinaBeijingCorporationMember
1271 Semiconductor Manufacturing South China Corporation Member smi:SemiconductorManufacturingSouthChinaCorporationMember
1272 SJ Semiconductor Corporation Member smi:SjSemiconductorCorporationMember
1273 Subsidiaries LineItems ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesLineItems
1274 Proportion of ownership interests and voting rights held by non-controlling interests (as a percent) Concept (Percent) For Period ifrs-full:ProportionOfOwnershipInterestsHeldByNoncontrollingInterests
1275 Profit (loss) attributable to the non-controlling interests Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToNoncontrollingInterests
1276 Accumulated non-controlling interests Concept (Monetary) As Of Credit ifrs-full:NoncontrollingInterests
1277 Additional capital injection from NCI Concept (Monetary) For Period Debit ifrs-full:ProceedsFromContributionsOfNoncontrollingInterests
1278 41803 - Disclosure - Subsidiaries - SMNC (Details) Network

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*

http://www.smics.com/role/DisclosureSubsidiariesSmncDetails
1279 Disclosure of subsidiaries [table] Table

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*

ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesTable
1280 Subsidiaries [axis] Axis ifrs-full:SignificantInvestmentsInSubsidiariesAxis
1281 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
1282 Semiconductor Manufacturing North China (Beijing) Corporation ("SMNC") Member smi:SemiconductorManufacturingNorthChinaBeijingCorporationMember
1283 Semiconductor Manufacturing South China Corporation Member smi:SemiconductorManufacturingSouthChinaCorporationMember
1284 Subsidiaries LineItems ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesLineItems
1285 Current assets Concept (Monetary) As Of Debit ifrs-full:CurrentAssets
1286 Non-current assets Concept (Monetary) As Of Debit ifrs-full:NoncurrentAssets
1287 Current liabilities Concept (Monetary) As Of Credit ifrs-full:CurrentLiabilities
1288 Non-current liabilities Concept (Monetary) As Of Credit ifrs-full:NoncurrentLiabilities
1289 Net assets Concept (Monetary) As Of Debit ifrs-full:NetAssetsLiabilities
1290 Equity attributable to owners of the Company Concept (Monetary) As Of Credit ifrs-full:EquityAttributableToOwnersOfParent
1291 Non-controlling interests Concept (Monetary) As Of Credit ifrs-full:NoncontrollingInterests
1292 Revenue Concept (Monetary) For Period Credit ifrs-full:RevenueFromContractsWithCustomers
1293 Expense Concept (Monetary) For Period Debit ifrs-full:OperatingExpense
1294 Other income Concept (Monetary) For Period Credit ifrs-full:OtherOperatingIncomeExpense
1295 Profit for the year Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
1296 Profit (loss) attributable to owners Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToOwnersOfParent
1297 Profit (loss) attributable to the non-controlling interests Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToNoncontrollingInterests
1298 Total comprehensive loss attributable to owners Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncomeAttributableToOwnersOfParent
1299 Total comprehensive loss attributable to the non-controlling interests Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncomeAttributableToNoncontrollingInterests
1300 Total comprehensive income (loss) for the year Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncome
1301 Dividends paid to non-controlling interests Concept (Monetary) For Period Credit ifrs-full:DividendsPaidToNoncontrollingInterests
1302 Net cash inflow (outflow) from operating activities Concept (Monetary) For Period ifrs-full:CashFlowsFromUsedInOperatingActivities
1303 Net cash inflow (outflow) from investing activities Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromUsedInInvestingActivities
1304 Net cash inflow (outflow) from financing activities Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromUsedInFinancingActivities
1305 Net (decrease) increase in cash and cash equivalent Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges
1306 41804 - Disclosure - Subsidiaries - SMSC (Details) Network

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http://www.smics.com/role/DisclosureSubsidiariesSmscDetails
1307 Disclosure of subsidiaries [table] Table

*

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ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesTable
1308 Subsidiaries [axis] Axis ifrs-full:SignificantInvestmentsInSubsidiariesAxis
1309 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
1310 Semiconductor Manufacturing South China Corporation Member smi:SemiconductorManufacturingSouthChinaCorporationMember
1311 Subsidiaries LineItems ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesLineItems
1312 Current assets Concept (Monetary) As Of Debit ifrs-full:CurrentAssets
1313 Non-current assets Concept (Monetary) As Of Debit ifrs-full:NoncurrentAssets
1314 Current liabilities Concept (Monetary) As Of Credit ifrs-full:CurrentLiabilities
1315 Net assets Concept (Monetary) As Of Debit ifrs-full:NetAssetsLiabilities
1316 Equity attributable to owners of the Company Concept (Monetary) As Of Credit ifrs-full:EquityAttributableToOwnersOfParent
1317 Non-controlling interests Concept (Monetary) As Of Credit ifrs-full:NoncontrollingInterests
1318 Revenue Concept (Monetary) For Period Credit ifrs-full:RevenueFromContractsWithCustomers
1319 Expense Concept (Monetary) For Period Debit ifrs-full:OperatingExpense
1320 Other income Concept (Monetary) For Period Credit ifrs-full:OtherOperatingIncomeExpense
1321 Profit for the year Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
1322 Profit (loss) attributable to owners Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToOwnersOfParent
1323 Profit (loss) attributable to the non-controlling interests Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToNoncontrollingInterests
1324 Total comprehensive loss attributable to owners Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncomeAttributableToOwnersOfParent
1325 Total comprehensive loss attributable to the non-controlling interests Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncomeAttributableToNoncontrollingInterests
1326 Total comprehensive income (loss) for the year Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncome
1327 Dividends paid to non-controlling interests Concept (Monetary) For Period Credit ifrs-full:DividendsPaidToNoncontrollingInterests
1328 Net cash inflow (outflow) from operating activities Concept (Monetary) For Period ifrs-full:CashFlowsFromUsedInOperatingActivities
1329 Net cash inflow (outflow) from investing activities Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromUsedInInvestingActivities
1330 Net cash inflow (outflow) from financing activities Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromUsedInFinancingActivities
1331 Net (decrease) increase in cash and cash equivalent Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges
1332 41805 - Disclosure - Subsidiaries - SJ Semi (Details) Network

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*

http://www.smics.com/role/DisclosureSubsidiariesSjSemiDetails
1333 Disclosure of subsidiaries [table] Table

*

*

ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesTable
1334 Subsidiaries [axis] Axis ifrs-full:SignificantInvestmentsInSubsidiariesAxis
1335 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
1336 SJ Semiconductor Corporation Member smi:SjSemiconductorCorporationMember
1337 Subsidiaries LineItems ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesLineItems
1338 Current assets Concept (Monetary) As Of Debit ifrs-full:CurrentAssets
1339 Non-current assets Concept (Monetary) As Of Debit ifrs-full:NoncurrentAssets
1340 Current liabilities Concept (Monetary) As Of Credit ifrs-full:CurrentLiabilities
1341 Non-current liabilities Concept (Monetary) As Of Credit ifrs-full:NoncurrentLiabilities
1342 Net assets Concept (Monetary) As Of Debit ifrs-full:NetAssetsLiabilities
1343 Equity attributable to owners of the Company Concept (Monetary) As Of Credit ifrs-full:EquityAttributableToOwnersOfParent
1344 Non-controlling interests Concept (Monetary) As Of Credit ifrs-full:NoncontrollingInterests
1345 Revenue Concept (Monetary) For Period Credit ifrs-full:RevenueFromContractsWithCustomers
1346 Expense Concept (Monetary) For Period Debit ifrs-full:OperatingExpense
1347 Other income Concept (Monetary) For Period Credit ifrs-full:OtherOperatingIncomeExpense
1348 Profit for the year Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
1349 Profit (loss) attributable to owners Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToOwnersOfParent
1350 Profit (loss) attributable to the non-controlling interests Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToNoncontrollingInterests
1351 Total comprehensive loss attributable to owners Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncomeAttributableToOwnersOfParent
1352 Total comprehensive loss attributable to the non-controlling interests Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncomeAttributableToNoncontrollingInterests
1353 Total comprehensive income (loss) for the year Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncome
1354 Dividends paid to non-controlling interests Concept (Monetary) For Period Credit ifrs-full:DividendsPaidToNoncontrollingInterests
1355 Net cash inflow (outflow) from operating activities Concept (Monetary) For Period ifrs-full:CashFlowsFromUsedInOperatingActivities
1356 Net cash inflow (outflow) from investing activities Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromUsedInInvestingActivities
1357 Net cash inflow (outflow) from financing activities Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromUsedInFinancingActivities
1358 Net (decrease) increase in cash and cash equivalent Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges
1359 41901 - Disclosure - Investments in associates (Details) Network

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*

http://www.smics.com/role/DisclosureInvestmentsInAssociatesDetails
1360 Disclosure of associates [table] Table

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*

ifrs-full:DisclosureOfSignificantInvestmentsInAssociatesTable
1361 Associates [axis] Axis ifrs-full:SignificantInvestmentsInAssociatesAxis
1362 Entity's total for associates [member] Member ifrs-full:EntitysTotalForAssociatesMember
1363 Toppan SMIC Electronic (Shanghai) Co., Ltd ("Toppan") Member smi:ToppanSmicElectronicShanghaiCoLtdMember
1364 Zhongxin Xiecheng Investment (Beijing) Co., Ltd ("Zhongxin Xiecheng") Member smi:ZhongxinXiechengInvestmentBeijingCoLtdMember
1365 Brite Semiconductor Corporation Member smi:BriteSemiconductorCorporationMember
1366 Suzhou Changjiang Electric Xinke Investment Co., Ltd. ("Changjiang Xinke") Member smi:SuzhouChangjiangElectricXinkeInvestmentCoLtdMember
1367 JCET Member smi:JiangsuChangjiangElectronicsTechnologyCoLtdMember
1368 Sino IC Leasing Co., Ltd. ("Sino IC Leasing") Member smi:SinoIcLeasingCoLtdMember
1369 China Fortune-Tech Capital Co., Ltd ("China Fortune-Tech") Member smi:ChinaFortuneTechCapitalCoLtdMember
1370 Beijing Wu Jin Venture Investment Center (Limited Partnership) ("WuJin") Member smi:BeijingWuJinVentureInvestmentCenterLimitedPartnershipMember
1371 Shanghai Fortune-Tech Qitai Invest Center (Limited Partnership) ("Fortune-Tech Qitai") Member smi:ShanghaiFortuneTechQitaiInvestCenterLimitedPartnershipMember
1372 Shanghai Fortune-Tech Zaixing Invest Center (Limited Partnership) ("Fortune-Tech Zaixing") Member smi:ShanghaiFortuneTechZaixingInvestCenterLimitedPartnershipMember
1373 Suzhou Fortune-Tech Oriental Invest Fund Center (Limited Partnership) ("Fortune-Tech Oriental") Member smi:SuzhouFortuneTechOrientalInvestFundCenterLimitedPartnershipMember
1374 Juyuan Juxin Integrated Circuit Fund ("Juyuan Juxin") Member smi:JuyuanJuxinIntegratedCircuitFundMember
1375 NSI Member smi:NingboSemiconductorInternationalCorporationMember
1376 SMEC Member smi:SemiconductorManufacturingElectronicsShaoxingCorporationSmecMember
1377 Semiconductor Global Solutions Member smi:SemiconductorGlobalSolutionsMember
1378 Shanghai IC Manufacturing Innovation Center Co., Ltd (Shanghai Innovation Center) Member smi:ShanghaiIcManufacturingInnovationCenterCoLtdShanghaiInnovationCenterMember
1379 Legal Entity [Axis] Axis dei:LegalEntityAxis
1380 Entity [Domain] Member dei:EntityDomain
1381 SMIC Holdings Corporation Member smi:SmicHoldingsCorporationMember
1382 China Integrated Circuit Industry Investment Fund Co., Ltd., (the "China IC Fund") Member smi:ChinaIntegratedCircuitIndustryInvestmentFundCoLtdMember
1383 SilTech Semiconductor (Shanghai) Corporation Limited ("SilTech Shanghai") Member smi:SiltechSemiconductorShanghaiCorporationLimitedMember
1384 Sino IC Leasing Co., Ltd. ("Sino IC Leasing") Member smi:SinoIcLeasingCoLtdMember
1385 Other investors Member smi:OtherInvestorsMember
1386 Disclosure of associates [line items] LineItems ifrs-full:DisclosureOfSignificantInvestmentsInAssociatesLineItems
1387 Proportion of ownership interest Concept (Percent) For Period ifrs-full:ProportionOfOwnershipInterestInAssociate
1388 Agreed contribution into registered capital Concept (Monetary) As Of Credit smi:AgreedCashContributionToAcquireInterestInAssociates
1389 Registered capital Concept (Monetary) As Of Credit smi:RegisteredCapital
1390 Gain on deconsolidation of subsidiaries Concept (Monetary) For Period Credit ifrs-full:GainLossOnCessationOfConsolidationOfSubsidiariesDueToChangeOfInvestmentEntityStatus
1391 Number of shares subscribed in private placement Concept (Shares) As Of smi:NumberOfSharesSubscribedInPrivatePlacement
1392 Subscription price of share (per share) Concept (Share) As Of smi:SubscriptionPriceOfShare
1393 Total subscription price of shares Concept (Monetary) As Of Credit smi:TotalSubscriptionPriceOfShares
1394 Transferable period for subscribed shares after completion of subscription Concept (xbrli:durationItemType) For Period smi:TransferablePeriodForSubscribedShares
1395 Capital contribution obligation Concept (Monetary) As Of Credit smi:CapitalContributionObligation
1396 41902 - Disclosure - Investments in associates - Summary financial information (Details) Network

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*

http://www.smics.com/role/DisclosureInvestmentsInAssociatesSummaryFinancialInformationDetails
1397 Disclosure of associates [table] Table

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*

ifrs-full:DisclosureOfSignificantInvestmentsInAssociatesTable
1398 Associates [axis] Axis ifrs-full:SignificantInvestmentsInAssociatesAxis
1399 Entity's total for associates [member] Member ifrs-full:EntitysTotalForAssociatesMember
1400 JCET Member smi:JiangsuChangjiangElectronicsTechnologyCoLtdMember
1401 Sino IC Leasing Co., Ltd. ("Sino IC Leasing") Member smi:SinoIcLeasingCoLtdMember
1402 NSI Member smi:NingboSemiconductorInternationalCorporationMember
1403 Disclosure of associates [line items] LineItems ifrs-full:DisclosureOfSignificantInvestmentsInAssociatesLineItems
1404 Current assets Concept (Monetary) As Of Debit ifrs-full:CurrentAssets
1405 Non-current assets Concept (Monetary) As Of Debit ifrs-full:NoncurrentAssets
1406 Current liabilities Concept (Monetary) As Of Credit ifrs-full:CurrentLiabilities
1407 Non-current liabilities Concept (Monetary) As Of Credit ifrs-full:NoncurrentLiabilities
1408 Net assets Concept (Monetary) As Of Debit ifrs-full:NetAssetsLiabilities
1409 Equity attributable to owners Concept (Monetary) As Of Credit ifrs-full:EquityAttributableToOwnersOfParent
1410 Non-controlling interests Concept (Monetary) As Of Credit ifrs-full:NoncontrollingInterests
1411 Total revenue Concept (Monetary) For Period Credit ifrs-full:RevenueFromContractsWithCustomers
1412 Profit (loss) attributable to owners Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToOwnersOfParent
1413 Profit (loss) attributable to the non-controlling interests Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToNoncontrollingInterests
1414 Profit (loss) for the year Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
1415 Other comprehensive income (loss) for the period Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncome
1416 Total comprehensive income (loss) for the period Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncome
1417 Total comprehensive loss attributable to owners Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncomeAttributableToOwnersOfParent
1418 Total comprehensive loss attributable to the non-controlling interests Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncomeAttributableToNoncontrollingInterests
1419 Dividends received from the associate during the period Concept (Monetary) For Period Debit ifrs-full:DividendsReceived
1420 Proportion of ownership interest and voting power (as a percent) Concept (Percent) For Period ifrs-full:ProportionOfOwnershipInterestInAssociate
1421 Value of ownership interest in associate Concept (Monetary) As Of Debit smi:ValueOfOwnershipInterestInAssociate
1422 Valuation premium Concept (Monetary) As Of Debit smi:ValuationPremiumInAssociate
1423 Dividend received in advance Concept (Monetary) For Period Credit smi:DividendReceivedInAdvance
1424 Less: unrealized profit from NSI Concept (Monetary) For Period Credit smi:UnrealizedProfitFromAssociate
1425 Carrying amount of the Group's interest in associate Concept (Monetary) As Of Debit ifrs-full:InvestmentAccountedForUsingEquityMethod
1426 Price per share Concept (Share) For Period smi:ConsiderationReceivedSharePriceSaleOfEquityInterest
1427 42001 - Disclosure - Investments in joint ventures (Details) Network

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*

http://www.smics.com/role/DisclosureInvestmentsInJointVenturesDetails
1428 Disclosure of joint operations [table] Table

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*

ifrs-full:DisclosureOfJointOperationsTable
1429 Joint operations [axis] Axis ifrs-full:JointOperationsAxis
1430 Entity's total for joint operations [member] Member ifrs-full:EntitysTotalForJointOperationsMember
1431 Shanghai Xinxin Investment Centre (Limited Partnership) ("Shanghai Xinxin") Member smi:ShanghaiXinxinInvestmentCentreLimitedPartnershipShanghaiXinxinMember
1432 Shanghai Chengxin Investment Center (Limited Partnership) ("Shanghai Chengxin") Member smi:ShanghaiChengxinInvestmentCenterLimitedPartnershipShanghaiChengxinMember
1433 Disclosure of joint operations [line items] LineItems ifrs-full:DisclosureOfJointOperationsLineItems
1434 Proportion of ownership interest and voting power (as a percent) Concept (Percent) For Period ifrs-full:ProportionOfOwnershipInterestInJointOperation
1435 42002 - Disclosure - Investments in joint ventures - Summary financial information (Details) Network

*

*

http://www.smics.com/role/DisclosureInvestmentsInJointVenturesSummaryFinancialInformationDetails
1436 Disclosure of joint operations [table] Table

*

*

ifrs-full:DisclosureOfJointOperationsTable
1437 Joint operations [axis] Axis ifrs-full:JointOperationsAxis
1438 Entity's total for joint operations [member] Member ifrs-full:EntitysTotalForJointOperationsMember
1439 Shanghai Xinxin Investment Centre (Limited Partnership) ("Shanghai Xinxin") Member smi:ShanghaiXinxinInvestmentCentreLimitedPartnershipShanghaiXinxinMember
1440 Disclosure of joint operations [line items] LineItems ifrs-full:DisclosureOfJointOperationsLineItems
1441 Current assets Concept (Monetary) As Of Debit ifrs-full:CurrentAssets
1442 Non-current assets Concept (Monetary) As Of Debit ifrs-full:NoncurrentAssets
1443 Current liabilities Concept (Monetary) As Of Credit ifrs-full:CurrentLiabilities
1444 Net assets Concept (Monetary) As Of Debit ifrs-full:NetAssetsLiabilities
1445 Total revenue Concept (Monetary) For Period Credit ifrs-full:RevenueFromContractsWithCustomers
1446 Profit (loss) for the year Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
1447 Other comprehensive income (loss) for the period Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncome
1448 Total comprehensive income (loss) for the period Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncome
1449 Dividends received from the joint venture during the year Concept (Monetary) For Period Debit ifrs-full:DividendsReceived
1450 Proportion of ownership interest and voting power (as a percent) Concept (Percent) For Period ifrs-full:ProportionOfOwnershipInterestInAssociate
1451 Value of ownership interest in associate Concept (Monetary) As Of Debit smi:ValueOfOwnershipInterestInAssociate
1452 Distribution to general partner Concept (Monetary) For Period Debit smi:DistributionToGeneralPartner
1453 Carrying amount of the Group's interest in joint venture Concept (Monetary) As Of Debit ifrs-full:InvestmentAccountedForUsingEquityMethod
1454 42101 - Disclosure - Other financial assets (Details) Network

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*

http://www.smics.com/role/DisclosureOtherFinancialAssetsDetails
1455 Disclosure of financial assets [table] Table

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*

ifrs-full:DisclosureOfFinancialAssetsTable
1456 Separate management entities [axis] Axis ifrs-full:SeparateManagementEntitiesAxis
1457 Separate management entities [member] Member ifrs-full:SeparateManagementEntitiesMember
1458 Semiconductor Manufacturing International (Beijing) Corporation ("SMIB" or "SMIC Beijing") Member smi:SemiconductorManufacturingInternationalBeijingCorporationMember
1459 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
1460 Financial assets, class [member] Member ifrs-full:FinancialAssetsMember
1461 Listed equity securities Member smi:ListedEquitySecuritiesMember
1462 Unlisted equity securities Member smi:UnlistedEquitySecuritiesMember
1463 Cross currency swap contracts Member ifrs-full:CurrencySwapContractMember
1464 Available-for-sale financial assets Member ifrs-full:FinancialAssetsAvailableforsaleCategoryMember
1465 Other derivative financial instruments Member smi:OtherDerivativeFinancialInstrumentsMember
1466 Foreign currency forward contracts Member smi:IfrsForeignExchangeForwardMember
1467 Financial products sold by banks Member smi:FinancialProductsSoldByBanksMember
1468 Financial assets at amortized cost Member ifrs-full:FinancialAssetsAtAmortisedCostMember
1469 Bank deposits will mature over 3 months Member smi:ThreeMonthsBankDepositsMember
1470 Trade and other current receivables Member smi:TradeAndOtherCurrentReceivablesMember
1471 Types of hedges [axis] Axis ifrs-full:TypesOfHedgesAxis
1472 Hedges [member] Member ifrs-full:TypesOfHedgesMember
1473 Cross currency swap contracts - cash flow hedges Member ifrs-full:CashFlowHedgesMember
1474 Debt Instrument [Axis] Axis us-gaap:DebtInstrumentAxis
1475 Debt Instrument, Name [Domain] Member us-gaap:DebtInstrumentNameDomain
1476 Oriented Debt Financing Instrument [Member] Member smi:OrientedDebtFinancingInstrumentMember
1477 Associates [axis] Axis ifrs-full:SignificantInvestmentsInAssociatesAxis
1478 Entity's total for associates [member] Member ifrs-full:EntitysTotalForAssociatesMember
1479 Sino IC Leasing Co., Ltd. ("Sino IC Leasing") Member smi:SinoIcLeasingCoLtdMember
1480 Disclosure of financial assets [line items] LineItems ifrs-full:DisclosureOfFinancialAssetsLineItems
1481 Non-current Abstract ifrs-full:NoncurrentAssetsAbstract
1482 Financial assets at fair value through profit or loss Concept (Monetary) As Of Debit ifrs-full:NoncurrentFinancialAssetsAtFairValueThroughProfitOrLoss
1483 Derivative financial instruments Concept (Monetary) As Of Debit ifrs-full:NoncurrentDerivativeFinancialAssets
1484 Other financial assets Concept (Monetary) As Of Debit ifrs-full:OtherNoncurrentFinancialAssets
1485 Other assets Concept (Monetary) As Of Debit ifrs-full:OtherNoncurrentAssets
1486 Current Abstract ifrs-full:CurrentAssetsAbstract
1487 Financial assets at fair value through profit or loss Concept (Monetary) As Of Debit ifrs-full:CurrentFinancialAssetsAtFairValueThroughProfitOrLoss
1488 Derivative financial instruments Concept (Monetary) As Of Debit ifrs-full:CurrentDerivativeFinancialAssets
1489 Other financial assets Concept (Monetary) As Of Debit ifrs-full:OtherCurrentFinancialAssets
1490 Total financial assets Concept (Monetary) As Of Debit ifrs-full:FinancialAssets
1491 Amount of debt subscribed Concept (Monetary) As Of Credit smi:AmountOfDebtSubscribed
1492 Principal amount Concept (Monetary) As Of ifrs-full:NotionalAmount
1493 42102 - Disclosure - Other financial assets - Financial Liabilities (Details) Network

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http://www.smics.com/role/DisclosureOtherFinancialAssetsFinancialLiabilitiesDetails
1494 Disclosure of financial liabilities [table] Table

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*

ifrs-full:DisclosureOfFinancialLiabilitiesTable
1495 Classes of financial liabilities [axis] Axis ifrs-full:ClassesOfFinancialLiabilitiesAxis
1496 Financial liabilities, class [member] Member ifrs-full:FinancialLiabilitiesMember
1497 Liabilities at amortized cost Member ifrs-full:FinancialLiabilitiesAtAmortisedCostMember
1498 Cross currency swap contracts Member ifrs-full:CurrencySwapContractMember
1499 Contingent consideration Member smi:ContingentConsiderationMember
1500 Foreign currency forward contracts Member smi:IfrsForeignExchangeForwardMember
1501 Long term payable Member smi:LongTermPayableMember
1502 Types of hedges [axis] Axis ifrs-full:TypesOfHedgesAxis
1503 Hedges [member] Member ifrs-full:TypesOfHedgesMember
1504 Cross currency swap contracts - cash flow hedges Member ifrs-full:CashFlowHedgesMember
1505 Disclosure of financial liabilities [line items] LineItems ifrs-full:DisclosureOfFinancialLiabilitiesLineItems
1506 Non-current Abstract ifrs-full:NoncurrentLiabilitiesAbstract
1507 Borrowings Concept (Monetary) As Of Credit ifrs-full:LongtermBorrowings
1508 Convertible bonds Concept (Monetary) As Of Credit smi:ConvertibleBondsNoncurrent
1509 Bonds payable Concept (Monetary) As Of Credit ifrs-full:NoncurrentPortionOfNoncurrentBondsIssued
1510 Medium-term notes Concept (Monetary) As Of Credit smi:IfrsMediumTermNotesNoncurrent
1511 Derivative financial instruments Concept (Monetary) As Of Credit ifrs-full:NoncurrentDerivativeFinancialLiabilities
1512 Other financial liabilities Concept (Monetary) As Of Credit ifrs-full:OtherNoncurrentFinancialLiabilities
1513 Other liabilities Concept (Monetary) As Of Credit ifrs-full:OtherNoncurrentLiabilities
1514 Current Abstract ifrs-full:CurrentLiabilitiesAbstract
1515 Trade and other payables Concept (Monetary) As Of Credit ifrs-full:TradeAndOtherCurrentPayables
1516 Borrowings Concept (Monetary) As Of Credit ifrs-full:CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings
1517 Convertible bonds Concept (Monetary) As Of Credit smi:ConvertibleBondsCurrent
1518 Bonds payable Concept (Monetary) As Of Credit ifrs-full:CurrentBondsIssuedAndCurrentPortionOfNoncurrentBondsIssued
1519 Medium-term notes Concept (Monetary) As Of Credit smi:CurrentMediumTermNotesIssuedAndCurrentPortionOfNonCurrentMediumTermNotesIssued
1520 Short-term notes Concept (Monetary) As Of Credit smi:ShortTermNotes
1521 Derivative financial instruments Concept (Monetary) As Of Credit ifrs-full:CurrentDerivativeFinancialLiabilities
1522 Other financial liabilities Concept (Monetary) As Of Credit ifrs-full:OtherCurrentFinancialLiabilities
1523 Other liabilities Concept (Monetary) As Of Credit ifrs-full:OtherCurrentLiabilities
1524 Total financial liabilities Concept (Monetary) As Of Credit ifrs-full:FinancialLiabilities
1525 42103 - Disclosure - Other financial assets - Fair Value Hierarchy Transfers (Details) Network

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http://www.smics.com/role/DisclosureOtherFinancialAssetsFairValueHierarchyTransfersDetails
1526 Implied Table Table

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*

implied:Table
1527 Other financial assets Abstract smi:OtherFinancialAssetsAbstract
1528 Assets, transfers out of Level 1 into Level 2 Concept (Monetary) For Period ifrs-full:TransfersOutOfLevel1IntoLevel2OfFairValueHierarchyAssets
1529 Assets, transfers out of Level 2 into Level 1 Concept (Monetary) For Period ifrs-full:TransfersOutOfLevel2IntoLevel1OfFairValueHierarchyAssets
1530 Assets, transfers into Level 3 Concept (Monetary) For Period Debit ifrs-full:TransfersIntoLevel3OfFairValueHierarchyAssets
1531 Assets, transfers out of Level 3 Concept (Monetary) For Period Credit ifrs-full:TransfersOutOfLevel3OfFairValueHierarchyAssets
1532 Liabilities, transfers out of Level 2 into Level 1 Concept (Monetary) For Period ifrs-full:TransfersOutOfLevel2IntoLevel1OfFairValueHierarchyLiabilities
1533 Liabilities, transfers out of Level 1 into Level 2 Concept (Monetary) For Period ifrs-full:TransfersOutOfLevel1IntoLevel2OfFairValueHierarchyLiabilities
1534 Liabilities, transfers into Level 3 Concept (Monetary) For Period Credit ifrs-full:TransfersIntoLevel3OfFairValueHierarchyLiabilities
1535 Liabilities, transfers out of Level 3 Concept (Monetary) For Period Debit ifrs-full:TransfersOutOfLevel3OfFairValueHierarchyLiabilities
1536 42104 - Disclosure - Other financial assets - Fair value measurements - Assets (Details) Network

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*

http://www.smics.com/role/DisclosureOtherFinancialAssetsFairValueMeasurementsAssetsDetails
1537 Disclosure of fair value measurement of assets [table] Table

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*

ifrs-full:DisclosureOfFairValueMeasurementOfAssetsTable
1538 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
1539 Financial assets, class [member] Member ifrs-full:FinancialAssetsMember
1540 Listed equity securities Member smi:ListedEquitySecuritiesMember
1541 Unlisted equity securities Member smi:UnlistedEquitySecuritiesMember
1542 Short term investment Member smi:ShortTermInvestmentMember
1543 Financial products sold by banks Member smi:FinancialProductsSoldByBanksMember
1544 Monetary funds Member smi:MonetaryFundsMember
1545 Cross currency swap contracts Member ifrs-full:CurrencySwapContractMember
1546 Available-for-sale investment, level 1 Member smi:AvailableForSaleInvestmentLevel1Member
1547 Available-for-sale investment, level 3 Member smi:AvailableForSaleInvestmentLevel3Member
1548 Foreign currency forward contracts Member smi:IfrsForeignExchangeForwardMember
1549 Derivative financial instruments Member ifrs-full:DerivativesMember
1550 Categories of financial assets [axis] Axis ifrs-full:CategoriesOfFinancialAssetsAxis
1551 Financial assets, category [member] Member ifrs-full:FinancialAssetsCategoryMember
1552 Financial assets at fair value through profit or loss Member ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember
1553 Types of hedges [axis] Axis ifrs-full:TypesOfHedgesAxis
1554 Hedges [member] Member ifrs-full:TypesOfHedgesMember
1555 Cross currency swap contracts - cash flow hedges Member ifrs-full:CashFlowHedgesMember
1556 Levels of fair value hierarchy [axis] Axis ifrs-full:LevelsOfFairValueHierarchyAxis
1557 All levels of fair value hierarchy [member] Member ifrs-full:AllLevelsOfFairValueHierarchyMember
1558 Level 1 Member ifrs-full:Level1OfFairValueHierarchyMember
1559 Level 2 Member ifrs-full:Level2OfFairValueHierarchyMember
1560 Level 3 Member ifrs-full:Level3OfFairValueHierarchyMember
1561 Measurement [axis] Axis ifrs-full:MeasurementAxis
1562 Aggregated measurement [member] Member ifrs-full:AggregatedMeasurementMember
1563 Recurring fair value measurement Member ifrs-full:RecurringFairValueMeasurementMember
1564 Disclosure of fair value measurement of assets [line items] LineItems ifrs-full:DisclosureOfFairValueMeasurementOfAssetsLineItems
1565 Assets Concept (Monetary) As Of Debit ifrs-full:Assets
1566 42105 - Disclosure - Other financial assets - Fair value measurements - Liabilities (Details) Network

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http://www.smics.com/role/DisclosureOtherFinancialAssetsFairValueMeasurementsLiabilitiesDetails
1567 Disclosure of financial liabilities [table] Table

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*

ifrs-full:DisclosureOfFinancialLiabilitiesTable
1568 Categories of financial liabilities [axis] Axis ifrs-full:CategoriesOfFinancialLiabilitiesAxis
1569 Financial liabilities, category [member] Member ifrs-full:FinancialLiabilitiesCategoryMember
1570 Financial liabilities at FVTPL Member ifrs-full:FinancialLiabilitiesAtFairValueThroughProfitOrLossCategoryMember
1571 Classes of financial liabilities [axis] Axis ifrs-full:ClassesOfFinancialLiabilitiesAxis
1572 Financial liabilities, class [member] Member ifrs-full:FinancialLiabilitiesMember
1573 Cross currency swap contracts Member ifrs-full:CurrencySwapContractMember
1574 Contingent consideration Member smi:ContingentConsiderationMember
1575 Foreign currency forward contracts Member smi:IfrsForeignExchangeForwardMember
1576 Levels of fair value hierarchy [axis] Axis ifrs-full:LevelsOfFairValueHierarchyAxis
1577 All levels of fair value hierarchy [member] Member ifrs-full:AllLevelsOfFairValueHierarchyMember
1578 Level 2 Member ifrs-full:Level2OfFairValueHierarchyMember
1579 Level 3 Member ifrs-full:Level3OfFairValueHierarchyMember
1580 Measurement [axis] Axis ifrs-full:MeasurementAxis
1581 Aggregated measurement [member] Member ifrs-full:AggregatedMeasurementMember
1582 Recurring fair value measurement Member ifrs-full:RecurringFairValueMeasurementMember
1583 Types of hedges [axis] Axis ifrs-full:TypesOfHedgesAxis
1584 Hedges [member] Member ifrs-full:TypesOfHedgesMember
1585 Cross currency swap contracts - cash flow hedges Member ifrs-full:CashFlowHedgesMember
1586 Disclosure of financial liabilities [line items] LineItems ifrs-full:DisclosureOfFinancialLiabilitiesLineItems
1587 Liabilities Concept (Monetary) As Of Credit ifrs-full:Liabilities
1588 42106 - Disclosure - Other financial assets - Fair value measurements - key Input (Details) Network

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*

http://www.smics.com/role/DisclosureOtherFinancialAssetsFairValueMeasurementsKeyInputDetails
1589 Disclosure of fair value measurement of assets [table] Table

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*

ifrs-full:DisclosureOfFairValueMeasurementOfAssetsTable
1590 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
1591 Financial assets, class [member] Member ifrs-full:FinancialAssetsMember
1592 Derivative financial instruments Member ifrs-full:DerivativesMember
1593 Levels of fair value hierarchy [axis] Axis ifrs-full:LevelsOfFairValueHierarchyAxis
1594 All levels of fair value hierarchy [member] Member ifrs-full:AllLevelsOfFairValueHierarchyMember
1595 Level 3 Member ifrs-full:Level3OfFairValueHierarchyMember
1596 Measurement [axis] Axis ifrs-full:MeasurementAxis
1597 Aggregated measurement [member] Member ifrs-full:AggregatedMeasurementMember
1598 Recurring fair value measurement Member ifrs-full:RecurringFairValueMeasurementMember
1599 Disclosure of fair value measurement of assets [line items] LineItems ifrs-full:DisclosureOfFairValueMeasurementOfAssetsLineItems
1600 Exercise multiple Concept (Pure) For Period ifrs-full:RevenueMultipleSignificantUnobservableInputsAssets
1601 Risk free rate of interest (as a percent) Concept (Percent) For Period ifrs-full:InterestRateSignificantUnobservableInputsAssets
1602 Expected volatility (as a percent) Concept (Percent) For Period ifrs-full:HistoricalVolatilityForSharesSignificantUnobservableInputsAssets
1603 Rate of return (as a percent) Concept (Percent) For Period smi:RateOfReturnSignificantUnobservableInputsAssets
1604 42201 - Disclosure - Restricted cash (Details) Network

*

*

http://www.smics.com/role/DisclosureRestrictedCashDetails
1605 Disclosure of detailed information about restricted cash [Table] Table

*

*

smi:DisclosureOfDetailedInformationAboutRestrictedCashTable
1606 Borrowings by name [axis] Axis ifrs-full:BorrowingsByNameAxis
1607 Borrowings by name [member] Member ifrs-full:BorrowingsByNameMember
1608 Short-term commercial bank loans Member smi:ShortTermCommercialBankLoansMember
1609 Disclosure of detailed information about restricted cash [Line Items] LineItems smi:DisclosureOfDetailedInformationAboutRestrictedCashLineItems
1610 Non-current Concept (Monetary) As Of Debit ifrs-full:NoncurrentRestrictedCashAndCashEquivalents
1611 Current Concept (Monetary) As Of Debit ifrs-full:CurrentRestrictedCashAndCashEquivalents
1612 Restricted cash Concept (Monetary) As Of Debit ifrs-full:RestrictedCashAndCashEquivalents
1613 Bank time deposits pledged, restricted cash - current Concept (Monetary) As Of Debit smi:BankTimeDepositsPledgedIncludedInCurrentRestrictedCash
1614 Government funds received, included in current restricted Concept (Monetary) As Of Debit smi:GovernmentFundingReceivedIncludedInCurrentRestrictedCash
1615 Government funding received mainly for the reimbursement of research and development expenses Concept (Monetary) As Of Debit smi:GovernmentFundingReceivedMainlyForReimbursementOfResearchAndDevelopmentExpensesAndIncludedInCurrentRestrictedCash
1616 42301 - Disclosure - Inventories (Details) Network

*

*

http://www.smics.com/role/DisclosureInventoriesDetails
1617 Implied Table Table

*

*

implied:Table
1618 Inventories Abstract ifrs-full:ClassesOfInventoriesAbstract
1619 Raw materials Concept (Monetary) As Of Debit ifrs-full:RawMaterials
1620 Work in process Concept (Monetary) As Of Debit ifrs-full:WorkInProgress
1621 Finished goods Concept (Monetary) As Of Debit ifrs-full:FinishedGoods
1622 Inventories Concept (Monetary) As Of Debit ifrs-full:Inventories
1623 Cost of inventories recognised as an expense Concept (Monetary) For Period Debit ifrs-full:CostOfInventoriesRecognisedAsExpenseDuringPeriod
1624 42401 - Disclosure - Trade and other receivables (Details) Network

*

*

http://www.smics.com/role/DisclosureTradeAndOtherReceivablesDetails
1625 Disclosure of credit risk exposure [table] Table

*

*

ifrs-full:DisclosureOfCreditRiskExposureTable
1626 Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Axis ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
1627 Carrying amount [member] Member ifrs-full:CarryingAmountMember
1628 Cost Member ifrs-full:GrossCarryingAmountMember
1629 Allowance Member ifrs-full:AccumulatedImpairmentMember
1630 Classes of assets [axis] Axis ifrs-full:ClassesOfAssetsAxis
1631 Assets [member] Member ifrs-full:ClassesOfAssetsMember
1632 Right-of-use assets Member ifrs-full:RightofuseAssetsMember
1633 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
1634 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
1635 SMEC Member smi:SemiconductorManufacturingElectronicsShaoxingCorporationSmecMember
1636 Trade and other receivables LineItems ifrs-full:DisclosureOfCreditRiskExposureLineItems
1637 Trade receivables Concept (Monetary) As Of Debit ifrs-full:CurrentTradeReceivables
1638 Other receivables Concept (Monetary) As Of Debit ifrs-full:OtherCurrentReceivables
1639 Refundable deposits Concept (Monetary) As Of Debit smi:RefundableDeposits
1640 Total trade and other current receivables Concept (Monetary) As Of Debit ifrs-full:TradeAndOtherCurrentReceivables
1641 Receivables due from associates Concept (Monetary) As Of Debit ifrs-full:ReceivablesDueFromAssociates
1642 Purchase machinery and equipment Concept (Monetary) As Of Debit smi:MachineryAndEquipmentCost
1643 42402 - Disclosure - Trade and other receivables - Age of receivables, impaired and not impaired (Details) Network

*

*

http://www.smics.com/role/DisclosureTradeAndOtherReceivablesAgeOfReceivablesImpairedAndNotImpairedDetails
1644 Disclosure of credit risk exposure [table] Table

*

*

ifrs-full:DisclosureOfCreditRiskExposureTable
1645 Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Axis ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
1646 Carrying amount [member] Member ifrs-full:CarryingAmountMember
1647 Cost Member ifrs-full:GrossCarryingAmountMember
1648 Past due status [axis] Axis ifrs-full:PastDueStatusAxis
1649 Past due status [member] Member ifrs-full:PastDueStatusMember
1650 Within 30 days Member ifrs-full:CurrentMember
1651 31-60 days Member ifrs-full:LaterThanOneMonthAndNotLaterThanTwoMonthsMember
1652 Over 60 days Member smi:LaterThanTwoMonthsMember
1653 Trade and other receivables LineItems ifrs-full:DisclosureOfCreditRiskExposureLineItems
1654 Trade receivables Concept (Monetary) As Of Debit ifrs-full:CurrentTradeReceivables
1655 42501 - Disclosure - Assets and liabilities classified as held-for-sale (Details) Network

*

*

http://www.smics.com/role/DisclosureAssetsAndLiabilitiesClassifiedAsHeldForSaleDetails
1656 Noncurrent Assets Or Disposal Groups Classified As Held For Sale [Table] Table

*

*

smi:NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleTable
1657 Continuing and discontinued operations [axis] Axis ifrs-full:ContinuingAndDiscontinuedOperationsAxis
1658 Continuing operations [member] Member ifrs-full:ContinuingOperationsMember
1659 Disposal group classified as held for sale Member ifrs-full:DisposalGroupsClassifiedAsHeldForSaleMember
1660 Assets and liabilities classified as held for sale [axis] Axis ifrs-full:AssetsAndLiabilitiesClassifiedAsHeldForSaleAxis
1661 Assets and liabilities not classified as held for sale [member] Member ifrs-full:AssetsAndLiabilitiesNotClassifiedAsHeldForSaleMember
1662 Assets and liabilities of disposal group as held-for-sale Member ifrs-full:AssetsAndLiabilitiesClassifiedAsHeldForSaleMember
1663 Noncurrent Assets or Disposal Groups Classified as Held for Sale [Line Items] LineItems smi:NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleLineItems
1664 Assets Concept (Monetary) As Of Debit ifrs-full:Assets
1665 Machinery and equipment Concept (Monetary) As Of Debit smi:MachineryAndEquipment
1666 Assets related to employee's living quarters Concept (Monetary) As Of Debit ifrs-full:NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSale
1667 Liabilities Concept (Monetary) As Of Credit ifrs-full:Liabilities
1668 42502 - Disclosure - Assets and liabilities classified as held-for-sale - Assets and liabilities (Details) Network

*

*

http://www.smics.com/role/DisclosureAssetsAndLiabilitiesClassifiedAsHeldForSaleAssetsAndLiabilitiesDetails
1669 Noncurrent Assets Or Disposal Groups Classified As Held For Sale [Table] Table

*

*

smi:NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleTable
1670 Continuing and discontinued operations [axis] Axis ifrs-full:ContinuingAndDiscontinuedOperationsAxis
1671 Continuing operations [member] Member ifrs-full:ContinuingOperationsMember
1672 Disposal group classified as held for sale Member ifrs-full:DisposalGroupsClassifiedAsHeldForSaleMember
1673 LFoundry Member smi:LfoundryMember
1674 Assets and liabilities classified as held for sale [axis] Axis ifrs-full:AssetsAndLiabilitiesClassifiedAsHeldForSaleAxis
1675 Assets and liabilities not classified as held for sale [member] Member ifrs-full:AssetsAndLiabilitiesNotClassifiedAsHeldForSaleMember
1676 Assets and liabilities of disposal group as held-for-sale Member ifrs-full:AssetsAndLiabilitiesClassifiedAsHeldForSaleMember
1677 Noncurrent Assets or Disposal Groups Classified as Held for Sale [Line Items] LineItems smi:NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleLineItems
1678 Investments in subsidiaries Concept (Monetary) As Of Debit ifrs-full:InvestmentsInSubsidiaries
1679 Assets of disposal group as held-for-sale Abstract ifrs-full:AssetsAbstract
1680 Property, plant and equipment Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipment
1681 Goodwill Concept (Monetary) As Of Debit ifrs-full:Goodwill
1682 Inventories Concept (Monetary) As Of Debit ifrs-full:InventoriesTotal
1683 Restricted cash Concept (Monetary) As Of Debit ifrs-full:RestrictedCashAndCashEquivalents
1684 Trade and other receivables Concept (Monetary) As Of Debit ifrs-full:TradeAndOtherReceivables
1685 Cash and cash equivalent Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
1686 Other assets Concept (Monetary) As Of Debit ifrs-full:OtherAssets
1687 Assets Concept (Monetary) As Of Debit ifrs-full:Assets
1688 Liabilities of disposal group as held-for-sale Abstract ifrs-full:LiabilitiesAbstract
1689 Borrowings Concept (Monetary) As Of Credit ifrs-full:Borrowings
1690 Trade and other payables Concept (Monetary) As Of Credit ifrs-full:TradeAndOtherPayables
1691 Deferred tax liabilities Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilities
1692 Defined benefited obligation Concept (Monetary) As Of Credit ifrs-full:DefinedBenefitObligationAtPresentValue
1693 Other liabilities Concept (Monetary) As Of Credit ifrs-full:OtherLiabilities
1694 Liabilities Concept (Monetary) As Of Credit ifrs-full:Liabilities
1695 42601 - Disclosure - Shares and issued capital - Fully Paid Ordinary Shares - Number of Shares (Details) Network

*

*

http://www.smics.com/role/DisclosureSharesAndIssuedCapitalFullyPaidOrdinarySharesNumberOfSharesDetails
1696 Disclosure of classes of share capital [table] Table

*

*

ifrs-full:DisclosureOfClassesOfShareCapitalTable
1697 Components of equity [axis] Axis ifrs-full:ComponentsOfEquityAxis
1698 Equity [member] Member ifrs-full:EquityMember
1699 Ordinary shares Member ifrs-full:IssuedCapitalMember
1700 Share premium Member ifrs-full:SharePremiumMember
1701 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
1702 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
1703 China Integrated Circuit Industry Investment Fund Co., Ltd., (the "China IC Fund") Member smi:ChinaIntegratedCircuitIndustryInvestmentFundCoLtdMember
1704 Datang Telecom Technology & Industry Holdings Co., Ltd. ("Datang") Member smi:DatangTelecomTechnologyIndustryHoldingsCo.LtdMember
1705 Disclosure of classes of share capital [line items] LineItems ifrs-full:DisclosureOfClassesOfShareCapitalLineItems
1706 Balance at the beginning of period (in shares) Concept (Shares) As Of ifrs-full:NumberOfSharesIssued
1707 Balance at beginning of year Concept (Monetary) As Of Credit ifrs-full:Equity
1708 Issuance of shares under the Company's employee share option plan (in shares) Concept (Shares) For Period smi:OrdinarySharesIssuedDuringPeriodShareOptionPlan
1709 Issuance of shares under the Company's employee share option plan Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughExerciseOfOptions
1710 Ordinary shares issued (in shares) Concept (Shares) For Period ifrs-full:IncreaseDecreaseInNumberOfOrdinarySharesIssued
1711 Ordinary shares issued Concept (Monetary) For Period Credit ifrs-full:IssueOfEquity
1712 Shares bought back on-market and cancelled (in shares) Concept (Shares) For Period smi:NumberOfTreasurySharesCancelled
1713 Shares bought back on-market and cancelled Concept (Monetary) For Period Credit ifrs-full:CancellationOfTreasuryShares
1714 Conversion of convertible bonds during the year (in shares) Concept (Shares) For Period smi:OrdinarySharesIssuedDuringPeriodConversionOfConvertibleBonds
1715 Conversion of convertible bonds during the year Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughConversionOfConvertibleInstruments
1716 Adjustment arising from the Share Consolidation (in shares) Concept (Shares) For Period smi:OrdinarySharesDecreaseAdjustmentArisingFromShareConsolidation
1717 Share premium reduction Concept (Monetary) For Period Debit smi:ReductionOfSharePremium
1718 Balance at the end of period (in shares) Concept (Shares) As Of ifrs-full:NumberOfSharesIssued
1719 Balance at end of year Concept (Monetary) As Of Credit ifrs-full:Equity
1720 42602 - Disclosure - Shares and issued capital - Share Purchase Agreements (Details) Network

*

*

http://www.smics.com/role/DisclosureSharesAndIssuedCapitalSharePurchaseAgreementsDetails
1721 Disclosure of classes of share capital [table] Table

*

*

ifrs-full:DisclosureOfClassesOfShareCapitalTable
1722 Components of equity [axis] Axis ifrs-full:ComponentsOfEquityAxis
1723 Equity [member] Member ifrs-full:EquityMember
1724 Ordinary shares Member ifrs-full:IssuedCapitalMember
1725 Share premium Member ifrs-full:SharePremiumMember
1726 Range [axis] Axis ifrs-full:RangeAxis
1727 Ranges [member] Member ifrs-full:RangesMember
1728 Weighted average Member ifrs-full:WeightedAverageMember
1729 Minimum Member ifrs-full:BottomOfRangeMember
1730 Maximum Member ifrs-full:TopOfRangeMember
1731 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
1732 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
1733 China Integrated Circuit Industry Investment Fund Co., Ltd., (the "China IC Fund") Member smi:ChinaIntegratedCircuitIndustryInvestmentFundCoLtdMember
1734 Datang Telecom Technology & Industry Holdings Co., Ltd. ("Datang") Member smi:DatangTelecomTechnologyIndustryHoldingsCo.LtdMember
1735 Disclosure of classes of share capital [line items] LineItems ifrs-full:DisclosureOfClassesOfShareCapitalLineItems
1736 Ordinary shares issued (in shares) Concept (Shares) For Period ifrs-full:IncreaseDecreaseInNumberOfOrdinarySharesIssued
1737 Price per placing share Concept (Share) For Period smi:PricePerPlacingShare
1738 Ordinary shares issued Concept (Monetary) For Period Credit ifrs-full:IssueOfEquity
1739 Ordinary shares repurchased (in shares) Concept (Shares) As Of ifrs-full:SharesInEntityHeldByEntityOrByItsSubsidiariesOrAssociates
1740 Repurchase price per share Concept (Share) For Period smi:ShareRepurchasePricePerShare
1741 Reduction of issued capital Concept (Monetary) For Period Debit ifrs-full:ReductionOfIssuedCapital
1742 Cancellation of treasury shares Concept (Monetary) For Period Credit ifrs-full:CancellationOfTreasuryShares
1743 Shares bought back on-market and cancelled (in shares) Concept (Shares) For Period smi:NumberOfTreasurySharesCancelled
1744 42603 - Disclosure - Shares and issued capital - Share Consolidation (Details) Network

*

*

http://www.smics.com/role/DisclosureSharesAndIssuedCapitalShareConsolidationDetails
1745 Disclosure of classes of share capital [table] Table

*

*

ifrs-full:DisclosureOfClassesOfShareCapitalTable
1746 Classes of share capital [axis] Axis ifrs-full:ClassesOfShareCapitalAxis
1747 Share capital [member] Member ifrs-full:ClassesOfShareCapitalMember
1748 Ordinary shares Member ifrs-full:OrdinarySharesMember
1749 Preferred shares Member ifrs-full:PreferenceSharesMember
1750 Range [axis] Axis ifrs-full:RangeAxis
1751 Ranges [member] Member ifrs-full:RangesMember
1752 Minimum Member ifrs-full:BottomOfRangeMember
1753 Disclosure of classes of share capital [line items] LineItems ifrs-full:DisclosureOfClassesOfShareCapitalLineItems
1754 Percentage of shares on issued share capital Concept (Percent) For Period smi:PercentageOfSharesOnIssuedShareCapital
1755 Number of independent places Concept (Integer) For Period smi:NumberOfIndependentPlaces
1756 Price per placing share Concept (Share) For Period smi:PricePerPlacingShare
1757 Issue of equity Concept (Monetary) For Period Credit ifrs-full:IssueOfEquity
1758 Share premium Concept (Monetary) As Of Credit ifrs-full:SharePremium
1759 Issue expenses Concept (Monetary) For Period Debit ifrs-full:ShareIssueRelatedCost
1760 Share premium reduction Concept (Monetary) For Period Debit smi:ReductionOfSharePremium
1761 Authorized share capital Concept (Monetary) As Of Credit smi:ShareCapitalAuthorized
1762 Number of shares authorised Concept (Shares) As Of ifrs-full:NumberOfSharesAuthorised
1763 Creation of an additional shares Concept (Shares) As Of ifrs-full:NumberOfSharesIssued
1764 Share Consolidation ratio Concept (Pure) As Of smi:ShareConsolidationRatio
1765 Par value per share Concept (Share) As Of ifrs-full:ParValuePerShare
1766 42701 - Disclosure - Reserves (Details) Network

*

*

http://www.smics.com/role/DisclosureReservesDetails
1767 Statement of changes in equity [table] Table

*

*

ifrs-full:StatementOfChangesInEquityTable
1768 Components of equity [axis] Axis ifrs-full:ComponentsOfEquityAxis
1769 Equity [member] Member ifrs-full:EquityMember
1770 Change in value of available-for-sale financial assets Member ifrs-full:ReserveOfGainsAndLossesOnRemeasuringAvailableforsaleFinancialAssetsMember
1771 Reserves LineItems ifrs-full:StatementOfChangesInEquityLineItems
1772 Adoption on IFRS 9 Concept (Monetary) For Period Credit smi:IfrsCumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption
1773 42702 - Disclosure - Reserves - Movements in the net defined benefit obligation (Details) Network

*

*

http://www.smics.com/role/DisclosureReservesMovementsInNetDefinedBenefitObligationDetails
1774 Disclosure of net defined benefit liability (asset) [table] Table

*

*

ifrs-full:DisclosureOfNetDefinedBenefitLiabilityAssetTable
1775 Net defined benefit liability (asset) [axis] Axis ifrs-full:NetDefinedBenefitLiabilityAssetAxis
1776 Net defined benefit liability (asset) [member] Member ifrs-full:NetDefinedBenefitLiabilityAssetMember
1777 Defined benefit obligation Member ifrs-full:PresentValueOfDefinedBenefitObligationMember
1778 Disclosure of net defined benefit liability (asset) [line items] LineItems ifrs-full:DisclosureOfNetDefinedBenefitLiabilityAssetLineItems
1779 Threshold of employees for which funds were obligated to be transferred under amendments of Italian legislation Concept (Integer) For Period smi:DefinedBenefitPlanAmendmentsOfLegislationTransferOfExistingDefinedBenefitToOtherFundsNumberOfEmployeesThreshold
1780 Balance at beginning of period Concept (Monetary) As Of Credit ifrs-full:LiabilityAssetOfDefinedBenefitPlans
1781 Interest expense recognized in profit or loss Concept (Monetary) For Period Credit ifrs-full:InterestExpenseIncomeNetDefinedBenefitLiabilityAsset
1782 Actuarial losses (gains) arising from changes in financial assumptions, net defined benefit liability (asset) Concept (Monetary) For Period Debit ifrs-full:ActuarialGainsLossesArisingFromChangesInFinancialAssumptionsNetDefinedBenefitLiabilityAsset
1783 Exchange differences Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughChangesInForeignExchangeRatesNetDefinedBenefitLiabilityAsset
1784 Contribution to employees Concept (Monetary) For Period Debit ifrs-full:ContributionsToPlanByEmployerNetDefinedBenefitLiabilityAsset
1785 Balance at end of period Concept (Monetary) As Of Credit ifrs-full:LiabilityAssetOfDefinedBenefitPlans
1786 42703 - Disclosure - Reserves - Actuarial assumption (Details) Network

*

*

http://www.smics.com/role/DisclosureReservesActuarialAssumptionDetails
1787 Disclosure of defined benefit plans [table] Table

*

*

ifrs-full:DisclosureOfDefinedBenefitPlansTable
1788 Net defined benefit liability (asset) [axis] Axis ifrs-full:NetDefinedBenefitLiabilityAssetAxis
1789 Net defined benefit liability (asset) [member] Member ifrs-full:NetDefinedBenefitLiabilityAssetMember
1790 Defined benefit obligation Member ifrs-full:PresentValueOfDefinedBenefitObligationMember
1791 Disclosure of defined benefit plans [line items] LineItems ifrs-full:DisclosureOfDefinedBenefitPlansLineItems
1792 Discount rate (as a percent) Concept (Percent) As Of ifrs-full:ActuarialAssumptionOfDiscountRates
1793 Inflation rate (as a percent) Concept (Percent) As Of ifrs-full:ActuarialAssumptionOfExpectedRatesOfInflation
1794 Salary growth rate (as a percent) Concept (Percent) As Of ifrs-full:ActuarialAssumptionOfExpectedRatesOfSalaryIncreases
1795 Labor turnover rate (as a percent) Concept (Percent) As Of smi:ActuarialAssumptionOfExpectedRatesOfEmployeeTurnover
1796 Probability of request of advances of TFR (as a percent) Concept (Percent) As Of smi:ActuarialAssumptionOfProbabilityOfRequestOfEmployeeAdvances
1797 Percentage required in case of advance (as a percent) Concept (Percent) As Of smi:ActuarialAssumptionOfRequiredPercentageOnEmployeeAdvances
1798 42704 - Disclosure - Reserves - TFR (Details) Network

*

*

http://www.smics.com/role/DisclosureReservesTfrDetails
1799 Disclosure of defined benefit plans [table] Table

*

*

ifrs-full:DisclosureOfDefinedBenefitPlansTable
1800 Net defined benefit liability (asset) [axis] Axis ifrs-full:NetDefinedBenefitLiabilityAssetAxis
1801 Net defined benefit liability (asset) [member] Member ifrs-full:NetDefinedBenefitLiabilityAssetMember
1802 Defined benefit obligation Member ifrs-full:PresentValueOfDefinedBenefitObligationMember
1803 Disclosure of defined benefit plans [line items] LineItems ifrs-full:DisclosureOfDefinedBenefitPlansLineItems
1804 Number of employees with TFR Concept (Integer) As Of smi:NumberOfEmployeesWithTrattamentoDiFineRapportPostEmploymentBenefit
1805 Average age (in years) Concept (xbrli:durationItemType) For Period smi:WeightedAverageAttainedAgeOfParticipantsOfPostEmploymentBenefitPlan
1806 Average seniority (in years) Concept (xbrli:durationItemType) For Period smi:WeightedAverageAttainedAgeOfSeniorityOfParticipantsOfPostEmploymentBenefitPlan
1807 42705 - Disclosure - Reserves - Sensitivity Analysis (Details) Network

*

*

http://www.smics.com/role/DisclosureReservesSensitivityAnalysisDetails
1808 Disclosure of sensitivity analysis for actuarial assumptions [table] Table

*

*

ifrs-full:DisclosureOfSensitivityAnalysisForActuarialAssumptionsTable
1809 Actuarial assumptions [axis] Axis ifrs-full:ActuarialAssumptionsAxis
1810 Actuarial assumptions [member] Member ifrs-full:ActuarialAssumptionsMember
1811 Discount rate Member ifrs-full:ActuarialAssumptionOfDiscountRatesMember
1812 Payments rate Member ifrs-full:ActuarialAssumptionOfExpectedRatesOfPensionIncreasesMember
1813 Inflation rate Member ifrs-full:ActuarialAssumptionOfExpectedRatesOfInflationMember
1814 Salary growth rate Member ifrs-full:ActuarialAssumptionOfExpectedRatesOfSalaryIncreasesMember
1815 Retirement age rate Member ifrs-full:ActuarialAssumptionOfRetirementAgeMember
1816 Longevity Member ifrs-full:ActuarialAssumptionOfLifeExpectancyAfterRetirementMember
1817 Disclosure of sensitivity analysis for actuarial assumptions [line items] LineItems ifrs-full:DisclosureOfSensitivityAnalysisForActuarialAssumptionsLineItems
1818 Rate increase (as a percent) Concept (Percent) As Of ifrs-full:PercentageOfReasonablyPossibleIncreaseInActuarialAssumption
1819 Rate decrease (as a percent) Concept (Percent) As Of ifrs-full:PercentageOfReasonablyPossibleDecreaseInActuarialAssumption
1820 Increase (decrease) in defined benefit obligation, assuming increase in actuarial assumption (as a percentage) Concept (Percent) For Period smi:IncreaseDecreaseInDefinedBenefitObligationDueToReasonablyPossibleIncreaseInActuarialAssumptionPercentage
1821 Increase (decrease) in defined benefit obligation, assuming decrease in actuarial assumption (as a percent) Concept (Percent) For Period smi:IncreaseDecreaseInDefinedBenefitObligationDueToReasonablyPossibleDecreaseInActuarialAssumptionPercentage
1822 Increase (in years) Concept (xbrli:durationItemType) For Period smi:PeriodOfReasonablyPossibleIncreaseInActuarialAssumption
1823 Decrease (in years) Concept (xbrli:durationItemType) For Period smi:PeriodOfReasonablyPossibleDecreaseInActuarialAssumption
1824 42706 - Disclosure - Reserves - Share of other comprehensive income of joint ventures accounted for using the equity method (Details) Network

*

*

http://www.smics.com/role/DisclosureReservesShareOfOtherComprehensiveIncomeOfJointVenturesAccountedForUsingEquityMethodDetails
1825 Statement of changes in equity [table] Table

*

*

ifrs-full:StatementOfChangesInEquityTable
1826 Components of equity [axis] Axis ifrs-full:ComponentsOfEquityAxis
1827 Equity [member] Member ifrs-full:EquityMember
1828 Share of other comprehensive income of joint ventures accounted for using equity method Member ifrs-full:ReserveOfGainsAndLossesFromInvestmentsInEquityInstrumentsMember
1829 Reserves LineItems ifrs-full:StatementOfChangesInEquityLineItems
1830 Adoption on IFRS 9 Concept (Monetary) For Period Credit smi:IfrsCumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption
1831 42801 - Disclosure - Retained earnings (accumulated deficit) (Details) Network

*

*

http://www.smics.com/role/DisclosureRetainedEarningsAccumulatedDeficitDetails
1832 Implied Table Table

*

*

implied:Table
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1835 General reserve fund threshold (as a percent) Concept (Percent) As Of smi:GeneralReserveFundThresholdPercentage
1836 Accumulated non-distributable reserve Concept (Monetary) As Of Credit smi:AccumulatedNonDistributableReserve
1837 Dividend declared Concept (Monetary) As Of Credit ifrs-full:DividendPayables
1838 Dividends paid Concept (Monetary) For Period Debit ifrs-full:DividendsPaid
1839 Distribution paid to perpetual subordinated convertible securities holders Concept (Monetary) For Period Credit smi:DistributionPaidToPerpetualSubordinatedConvertibleSecuritiesHolders
1840 Gain on transfer of business operation Concept (Monetary) For Period Credit smi:IncreaseDecreaseThroughEffectOfTransferOfBusinessOperation
1841 42901 - Disclosure - Perpetual subordinated convertible securities (Details) Network

*

*

http://www.smics.com/role/DisclosurePerpetualSubordinatedConvertibleSecuritiesDetails
1842 Disclosure of detailed information about borrowings [table] Table

*

*

ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable
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1844 Borrowings by name [member] Member ifrs-full:BorrowingsByNameMember
1845 Perpetual subordinated convertible securities Member smi:PerpetualSubordinatedConvertibleSecuritiesMember
1846 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
1847 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
1848 China Integrated Circuit Industry Investment Fund Co., Ltd., (the "China IC Fund") Member smi:ChinaIntegratedCircuitIndustryInvestmentFundCoLtdMember
1849 Datang Member smi:DatangHoldingsHongkongInvestmentCompanyLimitedMember
1850 Range [axis] Axis ifrs-full:RangeAxis
1851 Ranges [member] Member ifrs-full:RangesMember
1852 Minimum Member ifrs-full:BottomOfRangeMember
1853 Disclosure of detailed information about borrowings [line items] LineItems ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems
1854 Principal amount Concept (Monetary) As Of Credit smi:PerpetualSubordinatedConvertibleSecurities
1855 Proceeds from issuance of perpetual subordinated convertible securities Concept (Monetary) For Period Debit smi:ProceedsFromIssuanceOfPerpetualSubordinatedConvertibleSecurities
1856 Par value of subordinate debt Concept (Share) As Of smi:ParValueOfSubordinateDebt
1857 Net book value of PSCS Concept (Monetary) As Of Debit smi:PerpetualSubordinateConvertibleSecuritiesNet
1858 Issue expenses on PSCS Concept (Monetary) As Of Debit smi:IssueExpensesOnPerpetualSubordinateConvertibleSecurities
1859 Number of shares issued up on conversion of PSCS Concept (Shares) For Period smi:SubordinateDebtConversionConvertedInstrumentSharesIssued
1860 Distribution paid to perpetual subordinated convertible securities holders Concept (Monetary) For Period Credit smi:DistributionPaidToPerpetualSubordinatedConvertibleSecuritiesHolders
1861 Distribution Rate (as a percent) Concept (Percent) For Period smi:PercentageOfDistributionRateOfSubordinateDebt
1862 Conversion period Concept (xbrli:durationItemType) For Period smi:ConversionPeriodOfPerpetualConvertibleSubordinateSecurities
1863 Initial conversion ratio Concept (Pure) For Period smi:PerpetualSubordinatedConvertibleSecuritiesInitialConversionRatio
1864 Initial conversion price Concept (Share) For Period smi:PerpetualSubordinatedConvertibleSecuritiesInitialConversionPrice
1865 Fixed exchange rate Concept (Decimal) As Of ifrs-full:ClosingForeignExchangeRate
1866 43001 - Disclosure - Borrowings - Summary (Details) Network

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http://www.smics.com/role/DisclosureBorrowingsSummaryDetails
1867 Disclosure of detailed information about borrowings [table] Table

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ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable
1868 Borrowings by name [axis] Axis ifrs-full:BorrowingsByNameAxis
1869 Borrowings by name [member] Member ifrs-full:BorrowingsByNameMember
1870 Borrowings other than bonds and notes Member smi:BorrowingsNotSeparatelyDisclosedMember
1871 Short-term commercial bank loans Member smi:ShortTermCommercialBankLoansMember
1872 2013 USD Loan (SMIC Shanghai) Member smi:TwoThousandThirteenUsdLoanSmicShanghaiMember
1873 2015 USD Loan (SMIC Shanghai) Member smi:TwoThousandAndFifteenUsdLoanSmicShanghaiMember
1874 2015 CDB USD Loan (SJ Jiangyin) Member smi:TwoThousandAndFifteenCdbUsdLoanSjJiangyinMember
1875 2015 CDB RMB loan I (SMIC Shanghai) Member smi:TwoThousandAndFifteenCdbRmbLoanISmicShanghaiMember
1876 2015 CDB RMB loan II (SMIC Shanghai) Member smi:TwoThousandAndFifteenCdbRmbLoanIiSmicShanghaiMember
1877 2015 CDB RMB Loan (SMIC Beijing) Member smi:TwoThousandAndFifteenCdbRmbLoanSmicBeijingMember
1878 2016 CDB RMB Loan (SMIC Beijing) Member smi:TwoThousandAndSixteenCdbRmbLoanSmicBeijingMember
1879 2017 CDB RMB loan (SMIC Shenzhen) Member smi:TwoThousandSeventeenCdbRmbLoanSmicShenzhenMember
1880 2015 EXIM RMB Loan (SMIC Shanghai) Member smi:TwoThousandAndFifteenEximRmbLoanSmicShanghaiMember
1881 2017 EXIM RMB loan (SMIC Shanghai) Member smi:TwoThousandAndSeventeenEximRmbLoanSmicShanghaiMember
1882 2018 EXIM RMB loan I (SMIC Shanghai) Member smi:TwoThousandAndEighteenEximRmbLoanISmicShanghaiMember
1883 2016 EXIM RMB Loan I (SMIC Beijing) Member smi:TwoThousandAndSixteenEximRmbLoanISmicBeijingMember
1884 2016 EXIM RMB Loan II (SMIC Beijing) Member smi:TwoThousandAndSixteenEximRmbLoanIiSmicBeijingMember
1885 2017 EXIM RMB loan (SMIC Beijing) Member smi:TwoThousandSeventeenEximRmbLoanSmicBeijingMember
1886 2018 EXIM RMB Loan I (SMIC Beijing) Member smi:TwoThousandAndEighteenEximRmbLoanISmicBeijingMember
1887 2018 EXIM RMB Loan II (SMIC Beijing) Member smi:TwoThousandAndEighteenEximRmbLoanIiSmicBeijingMember
1888 2016 EXIM RMB Loan (SMIC) Member smi:TwoThousandAndSixteenEximRmbLoanSmicMember
1889 2017 EXIM RMB loan (SMIC Tianjin) Member smi:TwoThousandSeventeenEximRmbLoanSmicTianjinMember
1890 2017 EXIM USD loan (SMIC Tianjin) Member smi:TwoThousandSeventeenEximUsdLoanSmicTianjinMember
1891 2018 EXIM RMB loan (SMIC Tianjin) Member smi:TwoThousandAndEighteenEximRmbLoanSmicTianjinMember
1892 2017 EXIM RMB loan (SMIC Shenzhen) Member smi:TwoThousandAndSeventeenEximRmbLoanSmicShenzhenMember
1893 Loan to LFoundry Member smi:TwoThousandAndFourteenCassaDepositiePrestitiLoanLfoundryMember
1894 Others Member smi:OtherLongTermDebtMember
1895 Disclosure of detailed information about borrowings [line items] LineItems ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems
1896 Short-term borrowings Concept (Monetary) As Of Credit ifrs-full:ShorttermBorrowings
1897 Long-term borrowings Concept (Monetary) As Of Credit smi:LongTermBorrowingsCurrentAndNoncurrent
1898 Total borrowings Concept (Monetary) As Of Credit ifrs-full:Borrowings
1899 Current maturities of long-term borrowings Concept (Monetary) As Of Credit ifrs-full:CurrentPortionOfLongtermBorrowings
1900 Total current borrowings and current portion of non-current borrowings Concept (Monetary) As Of Credit ifrs-full:CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings
1901 Non-current maturities of long-term borrowings Concept (Monetary) As Of Credit ifrs-full:LongtermBorrowings
1902 43002 - Disclosure - Borrowings - Repayment schedule (Details) Network

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http://www.smics.com/role/DisclosureBorrowingsRepaymentScheduleDetails
1903 Disclosure of detailed information about borrowings [table] Table

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ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable
1904 Maturity [axis] Axis ifrs-full:MaturityAxis
1905 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
1906 Within 1 year Member ifrs-full:NotLaterThanOneYearMember
1907 Within 1-2 years Member ifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMember
1908 Within 2-5 years Member ifrs-full:LaterThanTwoYearsAndNotLaterThanFiveYearsMember
1909 Over 5 years Member ifrs-full:LaterThanFiveYearsMember
1910 Disclosure of detailed information about borrowings [line items] LineItems ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems
1911 Borrowing by repayment Concept (Monetary) As Of Credit ifrs-full:Borrowings
1912 43003 - Disclosure - Borrowings - Arrangements of short term debt (Details) Network

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http://www.smics.com/role/DisclosureBorrowingsArrangementsOfShortTermDebtDetails
1913 Disclosure of detailed information about borrowings [table] Table

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ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable
1914 Borrowings by name [axis] Axis ifrs-full:BorrowingsByNameAxis
1915 Borrowings by name [member] Member ifrs-full:BorrowingsByNameMember
1916 Short-term commercial bank loans Member smi:ShortTermCommercialBankLoansMember
1917 Range [axis] Axis ifrs-full:RangeAxis
1918 Ranges [member] Member ifrs-full:RangesMember
1919 Minimum Member ifrs-full:BottomOfRangeMember
1920 Maximum Member ifrs-full:TopOfRangeMember
1921 Disclosure of detailed information about borrowings [line items] LineItems ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems
1922 Number of short-term credit agreements Concept (Integer) For Period smi:NumberOfShortTermCreditAgreements
1923 Maximum credit facility Concept (Monetary) As Of Credit smi:IfrsLineOfCreditFacilityMaximumBorrowingCapacity
1924 Short-term borrowings Concept (Monetary) As Of Credit ifrs-full:ShorttermBorrowings
1925 Interest rate Concept (Percent) As Of ifrs-full:BorrowingsInterestRate
1926 43004 - Disclosure - Borrowings - Arrangements of long term debt (Details) Network

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http://www.smics.com/role/DisclosureBorrowingsArrangementsOfLongTermDebtDetails
1927 Disclosure of detailed information about borrowings [table] Table

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ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable
1928 Borrowings by name [axis] Axis ifrs-full:BorrowingsByNameAxis
1929 Borrowings by name [member] Member ifrs-full:BorrowingsByNameMember
1930 Borrowings other than bonds and notes Member smi:BorrowingsNotSeparatelyDisclosedMember
1931 2013 USD Loan (SMIC Shanghai) Member smi:TwoThousandThirteenUsdLoanSmicShanghaiMember
1932 2015 CDB RMB loan I (SMIC Shanghai) Member smi:TwoThousandAndFifteenCdbRmbLoanISmicShanghaiMember
1933 2015 CDB RMB loan II (SMIC Shanghai) Member smi:TwoThousandAndFifteenCdbRmbLoanIiSmicShanghaiMember
1934 2015 CDB RMB Loan (SMIC Beijing) Member smi:TwoThousandAndFifteenCdbRmbLoanSmicBeijingMember
1935 2016 CDB RMB Loan (SMIC Beijing) Member smi:TwoThousandAndSixteenCdbRmbLoanSmicBeijingMember
1936 2017 CDB RMB loan (SMIC Shenzhen) Member smi:TwoThousandSeventeenCdbRmbLoanSmicShenzhenMember
1937 2015 EXIM RMB Loan (SMIC Shanghai) Member smi:TwoThousandAndFifteenEximRmbLoanSmicShanghaiMember
1938 2017 EXIM RMB loan (SMIC Shanghai) Member smi:TwoThousandAndSeventeenEximRmbLoanSmicShanghaiMember
1939 2018 EXIM RMB loan I (SMIC Shanghai) Member smi:TwoThousandAndEighteenEximRmbLoanISmicShanghaiMember
1940 2016 EXIM RMB Loan I (SMIC Beijing) Member smi:TwoThousandAndSixteenEximRmbLoanISmicBeijingMember
1941 2016 EXIM RMB Loan II (SMIC Beijing) Member smi:TwoThousandAndSixteenEximRmbLoanIiSmicBeijingMember
1942 2017 EXIM RMB loan (SMIC Beijing) Member smi:TwoThousandSeventeenEximRmbLoanSmicBeijingMember
1943 2018 EXIM RMB Loan I (SMIC Beijing) Member smi:TwoThousandAndEighteenEximRmbLoanISmicBeijingMember
1944 2018 EXIM RMB Loan II (SMIC Beijing) Member smi:TwoThousandAndEighteenEximRmbLoanIiSmicBeijingMember
1945 2016 EXIM RMB Loan (SMIC) Member smi:TwoThousandAndSixteenEximRmbLoanSmicMember
1946 2017 EXIM RMB loan (SMIC Tianjin) Member smi:TwoThousandSeventeenEximRmbLoanSmicTianjinMember
1947 2017 EXIM USD loan (SMIC Tianjin) Member smi:TwoThousandSeventeenEximUsdLoanSmicTianjinMember
1948 2018 EXIM RMB loan (SMIC Tianjin) Member smi:TwoThousandAndEighteenEximRmbLoanSmicTianjinMember
1949 2017 EXIM RMB loan (SMIC Shenzhen) Member smi:TwoThousandAndSeventeenEximRmbLoanSmicShenzhenMember
1950 Loan to LFoundry Member smi:TwoThousandAndFourteenCassaDepositiePrestitiLoanLfoundryMember
1951 Others Member smi:OtherLongTermDebtMember
1952 Other new arrangements Member smi:OtherLongTermDebtOneMember
1953 Other long term debt Member smi:OtherLongTermDebtTwoMember
1954 Range [axis] Axis ifrs-full:RangeAxis
1955 Ranges [member] Member ifrs-full:RangesMember
1956 Minimum Member ifrs-full:BottomOfRangeMember
1957 Maximum Member ifrs-full:TopOfRangeMember
1958 Disclosure of detailed information about borrowings [line items] LineItems ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems
1959 Principal amount Concept (Monetary) As Of ifrs-full:NotionalAmount
1960 Term of loan Concept (xbrli:durationItemType) For Period smi:IfrsDebtInstrumentTerm
1961 Drawn down Concept (Monetary) As Of Credit smi:BorrowingsDrawnDown
1962 Repaid Concept (Monetary) As Of Debit smi:BorrowingsRepaid
1963 Outstanding balance Concept (Monetary) As Of Credit smi:LongTermBorrowingsCurrentAndNoncurrent
1964 Interest rate Concept (Percent) As Of ifrs-full:BorrowingsInterestRate
1965 Number of financing arrangements Concept (Integer) As Of smi:NumberOfFinancingArrangements
1966 Maximum repurchase price (in dollars per share) Concept (Share) As Of smi:MaximumRepurchasePricePerShare
1967 Property, plant and equipment and land use right pledged as security Concept (Monetary) As Of Debit smi:AssetsPledgedAsSecurityForLiabilities
1968 43101 - Disclosure - Convertible bonds (Details) Network

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http://www.smics.com/role/DisclosureConvertibleBondsDetails
1969 Disclosure of convertible bonds [Table] Table

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smi:DisclosureOfConvertibleBondsTable
1970 Borrowings by name [axis] Axis ifrs-full:BorrowingsByNameAxis
1971 Borrowings by name [member] Member ifrs-full:BorrowingsByNameMember
1972 Zero coupon convertible bonds due 2018 Member smi:ZeroCouponConvertibleBondsDue2018Member
1973 US$200 million zero coupon convertible bonds due 2018 Member smi:ZeroCouponConvertibleBondWithPrincipalUsd200MillionDue2018Member
1974 US$86.8 million zero coupon convertible bonds due 2018 Member smi:ZeroCouponConvertibleBondWithPrincipalUsdEightySixPointEightMillionDue2018Member
1975 US$95 million zero coupon convertible bonds due 2018 Member smi:ZeroCouponConvertibleBondWithPrincipalUsd95MillionDue2018Member
1976 US$22.2 million zero coupon convertible bonds due 2018 Member smi:ZeroCouponConvertibleBondWithPrincipalUsdTwentyTwoPointTwoMillionDue2018Member
1977 US$450 million zero coupon convertible bonds due 2022 Member smi:ZeroCouponConvertibleBondWithPrincipalUsd450MillionAndDue2022Member
1978 Range [axis] Axis ifrs-full:RangeAxis
1979 Ranges [member] Member ifrs-full:RangesMember
1980 Minimum Member ifrs-full:BottomOfRangeMember
1981 Maximum Member ifrs-full:TopOfRangeMember
1982 Convertible bonds LineItems smi:DisclosureOfConvertibleBondsLineItems
1983 Coupon interest rate Concept (Percent) As Of ifrs-full:BorrowingsInterestRate
1984 Par value of convertible bonds Concept (Share) As Of smi:ParValueOfDebt
1985 Principal amount Concept (Monetary) As Of ifrs-full:NotionalAmount
1986 Convertible bonds outstanding Concept (Monetary) As Of Credit smi:ConvertibleBondsCurrent
1987 Term of loan Concept (xbrli:durationItemType) For Period smi:IfrsDebtInstrumentTerm
1988 Interest rate on payment improperly withheld or refused Concept (Percent) For Period smi:InterestRateOnFailureOfRepayment
1989 Issue price (as a percentage as a percentage of the aggregate principal amount) Concept (Percent) As Of smi:IssuePriceOfConvertibleBond
1990 Conversion price Concept (Share) As Of smi:IfrsDebtInstrumentConvertibleConversionPrice
1991 Number of conversion shares issuable Concept (Shares) As Of smi:ConversionSharesIssuableForBond
1992 Fixed exchange rate Concept (Decimal) As Of ifrs-full:ClosingForeignExchangeRate
1993 Transaction cost Concept (Monetary) For Period Debit smi:TransactionCostOnIssuanceOfDebt
1994 Liability Component Concept (Monetary) As Of Credit ifrs-full:BondsIssued
1995 Equity Component Concept (Monetary) As Of Credit ifrs-full:ReserveOfEquityComponentOfConvertibleInstruments
1996 Total Concept (Monetary) As Of Credit smi:ConvertibleBondTotal
1997 Interest charged - Liability Component Concept (Monetary) For Period Debit smi:InterestChargedEffectOnLiabilityComponent
1998 Total interest charged Concept (Monetary) For Period Debit ifrs-full:InterestExpenseOnBorrowings
1999 Effective interest rate Concept (Percent) As Of smi:IfrsDebtInstrumentInterestRateEffectivePercentage
2000 Conversion options exercised - Liability component Concept (Monetary) For Period Credit smi:ConversionOptionExercisedEffectOnLiabilityComponent
2001 Conversion options exercised - Equity component Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughConversionOfConvertibleInstruments
2002 Total conversion option exercised Concept (Monetary) For Period Credit smi:ConversionOptionExercised
2003 Number of shares issued up on conversion Concept (Shares) For Period smi:IfrsDebtConversionConvertedInstrumentSharesIssued
2004 43201 - Disclosure - Bonds payable (Details) Network

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http://www.smics.com/role/DisclosureBondsPayableDetails
2005 Bonds payable Table

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ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable
2006 Borrowings by name [axis] Axis ifrs-full:BorrowingsByNameAxis
2007 Borrowings by name [member] Member ifrs-full:BorrowingsByNameMember
2008 Bonds payable Member smi:BondsPayableMember
2009 Bonds payable LineItems ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems
2010 Term of loan Concept (xbrli:durationItemType) For Period smi:IfrsDebtInstrumentTerm
2011 Coupon interest rate Concept (Percent) As Of ifrs-full:BorrowingsInterestRate
2012 Principal amount Concept (Monetary) As Of ifrs-full:NotionalAmount
2013 Discount of bonds payable Concept (Monetary) As Of Debit smi:IfrsDebtInstrumentUnamortizedDiscount
2014 Transaction cost Concept (Monetary) For Period Debit smi:DebtInstrumentTransactionCost
2015 Bonds payable as at the date of issue Concept (Monetary) As Of Credit ifrs-full:NoncurrentPortionOfNoncurrentBondsIssued
2016 The movement of the corporate bonds Abstract smi:DebtInstrumentRollForward
2017 Beginning balance Concept (Monetary) As Of Credit ifrs-full:NoncurrentPortionOfNoncurrentBondsIssued
2018 Interest charged Concept (Monetary) For Period ifrs-full:InterestCostsCapitalised
2019 Interest payable recognized Concept (Monetary) For Period Debit ifrs-full:InterestExpense
2020 Ending balance Concept (Monetary) As Of Credit ifrs-full:NoncurrentPortionOfNoncurrentBondsIssued
2021 43301 - Disclosure - Medium-term notes (Details) Network

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http://www.smics.com/role/DisclosureMediumTermNotesDetails
2022 Disclosure of detailed information about borrowings [table] Table

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ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable
2023 Borrowings by name [axis] Axis ifrs-full:BorrowingsByNameAxis
2024 Borrowings by name [member] Member ifrs-full:BorrowingsByNameMember
2025 Ifrs Medium Term Notes [Member] Member smi:IfrsMediumTermNotesMember
2026 Disclosure of detailed information about borrowings [line items] LineItems ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems
2027 Term of notes Concept (xbrli:durationItemType) For Period smi:IfrsDebtInstrumentTerm
2028 Principal amount Concept (Monetary) As Of ifrs-full:NotionalAmount
2029 Coupon interest rate Concept (Percent) As Of ifrs-full:BorrowingsInterestRate
2030 Transaction cost Concept (Monetary) For Period Debit smi:TransactionCostOnIssuanceOfDebt
2031 Notes payable as at the issue date Concept (Monetary) As Of Credit ifrs-full:NotesAndDebenturesIssued
2032 Movement of the short-term and medium-term notes Abstract ifrs-full:BorrowingsByTypeAbstract
2033 As at the date of issue Concept (Monetary) As Of Credit ifrs-full:NotesAndDebenturesIssued
2034 Interest charged during Concept (Monetary) For Period Debit ifrs-full:InterestExpenseOnBorrowings
2035 Interest payable recognized Concept (Monetary) For Period Credit smi:InterestRecognizedInCurrentYear
2036 Foreign exchange (gain) loss Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss
2037 At the year end Concept (Monetary) As Of Credit ifrs-full:NotesAndDebenturesIssued
2038 43401 - Disclosure - Deferred government funding - Government funding (Details) Network

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http://www.smics.com/role/DisclosureDeferredGovernmentFundingGovernmentFundingDetails
2039 Implied Table Table

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implied:Table
2040 Deferred government funding Abstract smi:DeferredGovernmentFundingAbstract
2041 Government funding Abstract smi:GovernmentFundingAbstract
2042 Government funding received under specific R and D projects Concept (Monetary) For Period Debit smi:GovernmentFundingReceivedSpecificResearchAndDevelopmentProjects
2043 Government funding recognized as reductions of certain R and D expenses under specific R and D projects Concept (Monetary) For Period Credit smi:GovernmentFundingRecognizedAsReductionsOfCertainResearchAndDevelopmentExpensesSpecificResearchAndDevelopmentProjects
2044 Government funding received for specific intended use Concept (Monetary) For Period Debit smi:GovernmentFundingReceivedSpecificIntendedUse
2045 Government funding recognized as reduction of interest expense for specific intended use Concept (Monetary) For Period Credit smi:GovernmentFundingRecognizedAsReductionOfInterestExpenseSpecificIntendedUse
2046 Government funding recognized as other operating income for specific intended use Concept (Monetary) For Period Credit ifrs-full:RevenueFromGovernmentGrants
2047 43501 - Disclosure - Trade and other payables (Details) Network

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http://www.smics.com/role/DisclosureTradeAndOtherPayablesDetails
2048 ifrs Statement [Table] Table

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smi:IfrsStatementTable
2049 Range [axis] Axis ifrs-full:RangeAxis
2050 Ranges [member] Member ifrs-full:RangesMember
2051 Minimum Member ifrs-full:BottomOfRangeMember
2052 Maximum Member ifrs-full:TopOfRangeMember
2053 Past due status [axis] Axis ifrs-full:PastDueStatusAxis
2054 Past due status [member] Member ifrs-full:PastDueStatusMember
2055 Within 30 days Member ifrs-full:CurrentMember
2056 31-60 days Member ifrs-full:LaterThanOneMonthAndNotLaterThanTwoMonthsMember
2057 Over 60 days Member smi:LaterThanTwoMonthsMember
2058 ifrs Statement [Line Items] LineItems smi:IfrsStatementLineItems
2059 Trade payables Concept (Monetary) As Of Credit smi:TradePayables
2060 Deposit received Concept (Monetary) As Of Credit ifrs-full:DepositsFromCustomers
2061 Other payable Concept (Monetary) As Of Credit ifrs-full:OtherCurrentPayables
2062 Total trade and other payables Concept (Monetary) As Of Credit ifrs-full:TradeAndOtherCurrentPayables
2063 Settlement term on trade payables Concept (xbrli:durationItemType) For Period smi:TermTradePayablesAreSettled
2064 Payables for property, plant, and equipment Concept (Monetary) As Of Credit ifrs-full:CurrentPayablesForPurchaseOfNoncurrentAssets
2065 43601 - Disclosure - Accrued liabilities (Details) Network

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http://www.smics.com/role/DisclosureAccruedLiabilitiesDetails
2066 Implied Table Table

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implied:Table
2067 Accrued liabilities Abstract smi:AccruedLiabilitiesAbstract
2068 Accrued liabilities Concept (Monetary) As Of Credit ifrs-full:CurrentAccruedExpensesAndOtherCurrentLiabilities
2069 Accrued payroll expenses Concept (Monetary) As Of Credit smi:AccruedPayrollExpenses
2070 43701 - Disclosure - Share-based payments - Stock incentive plans (Details) Network

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http://www.smics.com/role/DisclosureShareBasedPaymentsStockIncentivePlansDetails
2071 Disclosure of terms and conditions of share-based payment arrangement [table] Table

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ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable
2072 Types of share-based payment arrangements [axis] Axis ifrs-full:TypesOfSharebasedPaymentArrangementsAxis
2073 Share-based payment arrangements [member] Member ifrs-full:SharebasedPaymentArrangementsMember
2074 Stock Option Plan Member smi:StockOptionPlanMember
2075 RSUs Member smi:IfrsRestrictedStockUnitsRsusMember
2076 Subsidiary Plan Member smi:StockOptionSubsidiaryPlanMember
2077 Share-based payments LineItems ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems
2078 Award term Concept (xbrli:durationItemType) For Period smi:ContractualLifeOfShareBasedAwards
2079 Vesting period Concept (xbrli:durationItemType) For Period smi:VestingLifeOfShareBasedAwards
2080 Equity-settled share-based payment Concept (Monetary) For Period Debit ifrs-full:ExpenseFromSharebasedPaymentTransactionsWithEmployees
2081 Share consolidation ratio Concept (Pure) As Of smi:ShareConsolidationRatio
2082 Par value per share Concept (Share) As Of ifrs-full:ParValuePerShare
2083 43702 - Disclosure - Share-based payments - Movements during the year - Share options (Details) Network

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http://www.smics.com/role/DisclosureShareBasedPaymentsMovementsDuringYearShareOptionsDetails
2084 Disclosure of terms and conditions of share-based payment arrangement [table] Table

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ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable
2085 Types of share-based payment arrangements [axis] Axis ifrs-full:TypesOfSharebasedPaymentArrangementsAxis
2086 Share-based payment arrangements [member] Member ifrs-full:SharebasedPaymentArrangementsMember
2087 Stock Option Plan Member smi:StockOptionPlanMember
2088 Range [axis] Axis ifrs-full:RangeAxis
2089 Ranges [member] Member ifrs-full:RangesMember
2090 Minimum Member ifrs-full:BottomOfRangeMember
2091 Maximum Member ifrs-full:TopOfRangeMember
2092 Share-based payments LineItems ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems
2093 Outstanding at beginning of period Concept (Decimal) As Of ifrs-full:NumberOfOutstandingShareOptions
2094 Granted during the period Concept (Decimal) For Period ifrs-full:NumberOfShareOptionsGrantedInSharebasedPaymentArrangement
2095 Forfeited and expired during the period Concept (Decimal) For Period smi:NumberOfShareOptionsForfeitedAndExpiredInShareBasedPaymentArrangement
2096 Exercised during the period Concept (Decimal) For Period ifrs-full:NumberOfShareOptionsExercisedInSharebasedPaymentArrangement
2097 Outstanding at end of period Concept (Decimal) As Of ifrs-full:NumberOfOutstandingShareOptions
2098 Exercisable at end of period Concept (Decimal) As Of ifrs-full:NumberOfShareOptionsExercisableInSharebasedPaymentArrangement
2099 Outstanding at beginning of period, WAEP Concept (Monetary) As Of ifrs-full:WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement
2100 Granted during the period, WAEP Concept (Monetary) For Period ifrs-full:WeightedAverageExercisePriceOfShareOptionsGrantedInSharebasedPaymentArrangement
2101 Forfeited and expired during the period. WAEP Concept (Share) For Period smi:WeightedAverageExercisePriceOfShareOptionsForfeitedAndExpiredInShareBasedPaymentArrangement
2102 Exercised during the period, WAEP Concept (Monetary) For Period ifrs-full:WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement
2103 Outstanding at end of period, WAEP Concept (Monetary) As Of ifrs-full:WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement
2104 Exercisable at end of period, WAEP Concept (Monetary) As Of ifrs-full:WeightedAverageExercisePriceOfShareOptionsExercisableInSharebasedPaymentArrangement
2105 Weighted average remaining contractual life Concept (Decimal) As Of ifrs-full:WeightedAverageRemainingContractualLifeOfOutstandingShareOptions
2106 Exercise prices for shares outstanding Concept (Monetary) As Of ifrs-full:ExercisePriceOfOutstandingShareOptions
2107 Weighted average closing price prior to exercise Concept (Monetary) For Period ifrs-full:WeightedAverageSharePrice
2108 Fair value at grant date Concept (Monetary) As Of Credit ifrs-full:WeightedAverageFairValueAtMeasurementDateShareOptionsGranted
2109 Dividend yield (%) Concept (Percent) For Period ifrs-full:ExpectedDividendAsPercentageShareOptionsGranted
2110 Expected volatility Concept (Percent) For Period ifrs-full:DescriptionOfExpectedVolatilityShareOptionsGranted
2111 Risk-free interest rate Concept (Percent) For Period ifrs-full:DescriptionOfRiskFreeInterestRateShareOptionsGranted
2112 Expected life of share options Concept (Decimal) For Period ifrs-full:DescriptionOfOptionLifeShareOptionsGranted
2113 43703 - Disclosure - Share-based payments - Movements during the year - RSUs (Details) Network

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http://www.smics.com/role/DisclosureShareBasedPaymentsMovementsDuringYearRsusDetails
2114 Disclosure of terms and conditions of share-based payment arrangement [table] Table

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ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable
2115 Types of share-based payment arrangements [axis] Axis ifrs-full:TypesOfSharebasedPaymentArrangementsAxis
2116 Share-based payment arrangements [member] Member ifrs-full:SharebasedPaymentArrangementsMember
2117 RSUs Member smi:IfrsRestrictedStockUnitsRsusMember
2118 Disclosure of terms and conditions of share-based payment arrangement [line items] LineItems ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems
2119 Outstanding at beginning of period Concept (Decimal) As Of ifrs-full:NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement
2120 Granted during the period Concept (Decimal) For Period ifrs-full:NumberOfInstrumentsOtherEquityInstrumentsGranted
2121 Forfeited during the period Concept (Decimal) For Period ifrs-full:NumberOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement
2122 Exercised during the period Concept (Decimal) For Period ifrs-full:NumberOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement
2123 Outstanding at end of period Concept (Decimal) As Of ifrs-full:NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement
2124 Outstanding at beginning of period, WAFV Concept (Monetary) As Of Credit ifrs-full:WeightedAverageFairValueAtMeasurementDateOtherEquityInstrumentsGranted
2125 Granted during the period, WAFV Concept (Monetary) For Period Credit smi:WeightedAverageFairValueOfOtherEquityInstrumentsGrantedInShareBasedPaymentArrangement
2126 Forfeited during the period, WAFV Concept (Monetary) For Period Credit smi:WeightedAverageFairValueOfOtherEquityInstrumentsForfeitedInShareBasedPaymentArrangement
2127 Exercised during the period, WAFV Concept (Monetary) For Period Credit smi:WeightedAverageFairValueOfOtherEquityInstrumentsExercisedInShareBasedPaymentArrangement
2128 Outstanding at end of period, WAFV Concept (Monetary) As Of Credit ifrs-full:WeightedAverageFairValueAtMeasurementDateOtherEquityInstrumentsGranted
2129 Weighted average remaining contractual life Concept (xbrli:durationItemType) For Period smi:WeightedAverageRemainingContractualLifeOfOutstandingOtherEquityInstruments
2130 Weighted average closing price prior to exercise Concept (Share) For Period smi:WeightedAverageExercisePriceOfOtherEquityInstrumentsInShareBasedPaymentArrangementExercisedDuringPeriodAtDateOfExercise
2131 Dividend yield (%) Concept (Percent) For Period ifrs-full:ExpectedDividendAsPercentageShareOptionsGranted
2132 Expected volatility Concept (Percent) For Period ifrs-full:DescriptionOfExpectedVolatilityShareOptionsGranted
2133 Risk-free interest rate Concept (Percent) For Period ifrs-full:DescriptionOfRiskFreeInterestRateShareOptionsGranted
2134 Expected life of share options Concept (Decimal) For Period ifrs-full:DescriptionOfOptionLifeShareOptionsGranted
2135 43704 - Disclosure - Share-based payments - Movements during the year - Share options of the Subsidiary Plan (Details) Network

*

*

http://www.smics.com/role/DisclosureShareBasedPaymentsMovementsDuringYearShareOptionsOfSubsidiaryPlanDetails
2136 Disclosure of terms and conditions of share-based payment arrangement [table] Table

*

*

ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable
2137 Types of share-based payment arrangements [axis] Axis ifrs-full:TypesOfSharebasedPaymentArrangementsAxis
2138 Share-based payment arrangements [member] Member ifrs-full:SharebasedPaymentArrangementsMember
2139 Subsidiary Plan Member smi:StockOptionSubsidiaryPlanMember
2140 Range [axis] Axis ifrs-full:RangeAxis
2141 Ranges [member] Member ifrs-full:RangesMember
2142 Minimum Member ifrs-full:BottomOfRangeMember
2143 Maximum Member ifrs-full:TopOfRangeMember
2144 Share-based payments LineItems ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems
2145 Outstanding at beginning of period Concept (Decimal) As Of ifrs-full:NumberOfOutstandingShareOptions
2146 Granted during the period Concept (Decimal) For Period ifrs-full:NumberOfShareOptionsGrantedInSharebasedPaymentArrangement
2147 Forfeited and expired during the period Concept (Decimal) For Period smi:NumberOfShareOptionsForfeitedAndExpiredInShareBasedPaymentArrangement
2148 Exercised during the period Concept (Decimal) For Period ifrs-full:NumberOfShareOptionsExercisedInSharebasedPaymentArrangement
2149 Outstanding at end of period Concept (Decimal) As Of ifrs-full:NumberOfOutstandingShareOptions
2150 Exercisable at end of period Concept (Decimal) As Of ifrs-full:NumberOfShareOptionsExercisableInSharebasedPaymentArrangement
2151 Outstanding at beginning of period, WAEP Concept (Monetary) As Of ifrs-full:WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement
2152 Granted during the period, WAEP Concept (Monetary) For Period ifrs-full:WeightedAverageExercisePriceOfShareOptionsGrantedInSharebasedPaymentArrangement
2153 Forfeited and expired during the period. WAEP Concept (Share) For Period smi:WeightedAverageExercisePriceOfShareOptionsForfeitedAndExpiredInShareBasedPaymentArrangement
2154 Exercised during the period, WAEP Concept (Monetary) For Period ifrs-full:WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement
2155 Outstanding at end of period, WAEP Concept (Monetary) As Of ifrs-full:WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement
2156 Exercisable at end of period, WAEP Concept (Monetary) As Of ifrs-full:WeightedAverageExercisePriceOfShareOptionsExercisableInSharebasedPaymentArrangement
2157 Weighted average remaining contractual life Concept (Decimal) As Of ifrs-full:WeightedAverageRemainingContractualLifeOfOutstandingShareOptions
2158 Exercise prices for shares outstanding Concept (Monetary) As Of ifrs-full:ExercisePriceOfOutstandingShareOptions
2159 Fair value at grant date Concept (Monetary) As Of Credit ifrs-full:WeightedAverageFairValueAtMeasurementDateShareOptionsGranted
2160 Dividend yield (%) Concept (Percent) For Period ifrs-full:ExpectedDividendAsPercentageShareOptionsGranted
2161 Expected volatility Concept (Percent) For Period ifrs-full:DescriptionOfExpectedVolatilityShareOptionsGranted
2162 Risk-free interest rate Concept (Percent) For Period ifrs-full:DescriptionOfRiskFreeInterestRateShareOptionsGranted
2163 Expected life of share options Concept (Decimal) For Period ifrs-full:DescriptionOfOptionLifeShareOptionsGranted
2164 43801 - Disclosure - Risk Management - Gearing ratio (Details) Network

*

*

http://www.smics.com/role/DisclosureRiskManagementGearingRatioDetails
2165 Implied Table Table

*

*

implied:Table
2166 Risk Management Abstract ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsAbstract
2167 Debt Concept (Monetary) As Of Credit smi:Debt
2168 Cash and cash equivalent Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
2169 Financial asset at fair value through profit or loss - current Concept (Monetary) As Of Debit ifrs-full:CurrentFinancialAssetsAtFairValueThroughProfitOrLoss
2170 Financial assets at amortized cost Concept (Monetary) As Of Debit ifrs-full:CurrentFinancialAssetsAtAmortisedCost
2171 Other financial assets - current Concept (Monetary) As Of Debit ifrs-full:OtherCurrentFinancialAssets
2172 Net debt Concept (Monetary) As Of Credit ifrs-full:NetDebt
2173 Equity Concept (Monetary) As Of Credit ifrs-full:Equity
2174 Net debt to equity ratio Concept (Percent) As Of smi:NetDebtToEquityRatio
2175 43802 - Disclosure - Risk Management - Foreign currency risk management (Details) Network

*

*

http://www.smics.com/role/DisclosureRiskManagementForeignCurrencyRiskManagementDetails
2176 Disclosure of nature and extent of risks arising from financial instruments [table] Table

*

*

ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable
2177 ifrs Currency [Axis] Axis smi:IfrsCurrencyAxis
2178 ifrs All Currencies [Domain] Member smi:IfrsAllCurrenciesDomain
2179 EUR Member currency:EUR
2180 JPY Member currency:JPY
2181 RMB Member currency:CNY
2182 Others Member smi:OtherCurrenciesMember
2183 Disclosure of nature and extent of risks arising from financial instruments [line items] LineItems ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems
2184 Liabilities Concept (Monetary) As Of Credit ifrs-full:Liabilities
2185 Assets Concept (Monetary) As Of Debit ifrs-full:Assets
2186 43803 - Disclosure - Risk Management - Foreign currency sensitivity analysis (Details) Network

*

*

http://www.smics.com/role/DisclosureRiskManagementForeignCurrencySensitivityAnalysisDetails
2187 Disclosure of nature and extent of risks arising from financial instruments [table] Table

*

*

ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable
2188 ifrs Currency [Axis] Axis smi:IfrsCurrencyAxis
2189 ifrs All Currencies [Domain] Member smi:IfrsAllCurrenciesDomain
2190 EUR Member currency:EUR
2191 JPY Member currency:JPY
2192 RMB Member currency:CNY
2193 Others Member smi:OtherCurrenciesMember
2194 Disclosure of nature and extent of risks arising from financial instruments [line items] LineItems ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems
2195 Foreign currency sensitivity analysis percentage (as a percent) Concept (Percent) For Period smi:ForeignCurrencySensitivityAnalysisPercentage
2196 Profit or loss Concept (Monetary) For Period Credit smi:ForeignCurrencySensitivityAnalysisFivePercentIncreaseInForeignCurrenciesAgainstUnitedStatesDollarProfitLoss
2197 Equity Concept (Monetary) As Of Credit smi:ForeignCurrencySensitivityAnalysisFivePercentIncreaseInForeignCurrenciesAgainstUnitedStatesDollarEquity
2198 43804 - Disclosure - Risk Management - Forward foreign exchange contracts (Details) Network

*

*

http://www.smics.com/role/DisclosureRiskManagementForwardForeignExchangeContractsDetails
2199 Disclosure of financial assets [table] Table

*

*

ifrs-full:DisclosureOfFinancialAssetsTable
2200 Classes of assets [axis] Axis ifrs-full:ClassesOfAssetsAxis
2201 Assets [member] Member ifrs-full:ClassesOfAssetsMember
2202 Foreign currency forward contracts Member smi:IfrsForeignExchangeForwardMember
2203 Maturity [axis] Axis ifrs-full:MaturityAxis
2204 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
2205 Less than 3 months Member ifrs-full:NotLaterThanThreeMonthsMember
2206 ifrs Currency [Axis] Axis smi:IfrsCurrencyAxis
2207 ifrs All Currencies [Domain] Member smi:IfrsAllCurrenciesDomain
2208 EUR Member currency:EUR
2209 RMB Member currency:CNY
2210 Categories of financial assets [axis] Axis ifrs-full:CategoriesOfFinancialAssetsAxis
2211 Financial assets, category [member] Member ifrs-full:FinancialAssetsCategoryMember
2212 Financial assets at fair value through profit or loss Member ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember
2213 Measurement [axis] Axis ifrs-full:MeasurementAxis
2214 Aggregated measurement [member] Member ifrs-full:AggregatedMeasurementMember
2215 Recurring fair value measurement Member ifrs-full:RecurringFairValueMeasurementMember
2216 Disclosure of financial assets [line items] LineItems ifrs-full:DisclosureOfFinancialAssetsLineItems
2217 Average exchange rate Concept (Pure) As Of smi:AverageExchangeRateUnitedStatesDollarToForeignCurrency
2218 Notional amount Concept (Monetary) As Of ifrs-full:NotionalAmount
2219 Net Fair value assets (liabilities) Concept (Monetary) As Of Debit ifrs-full:NetAssetsLiabilities
2220 43805 - Disclosure - Risk Management - Cross currency swap contracts - Short-term and Medium-term Notes (Details) Network

*

*

http://www.smics.com/role/DisclosureRiskManagementCrossCurrencySwapContractsShortTermAndMediumTermNotesDetails
2221 Disclosure of detailed information about borrowings [table] Table

*

*

ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable
2222 Borrowings by name [axis] Axis ifrs-full:BorrowingsByNameAxis
2223 Borrowings by name [member] Member ifrs-full:BorrowingsByNameMember
2224 Short-term and medium-term notes [member] Member smi:ShortTermAndMediumTermNotesMember
2225 Categories of financial assets [axis] Axis ifrs-full:CategoriesOfFinancialAssetsAxis
2226 Financial assets, category [member] Member ifrs-full:FinancialAssetsCategoryMember
2227 Financial assets at amortized cost Member ifrs-full:FinancialAssetsAtAmortisedCostCategoryMember
2228 Disclosure of detailed information about borrowings [line items] LineItems ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems
2229 Principal amount Concept (Monetary) As Of ifrs-full:NotionalAmount
2230 43806 - Disclosure - Risk Management - Cross currency swap contracts - Notional Amounts and Loss of Fair Value (Details) Network

*

*

http://www.smics.com/role/DisclosureRiskManagementCrossCurrencySwapContractsNotionalAmountsAndLossOfFairValueDetails
2231 Disclosure of financial liabilities [table] Table

*

*

ifrs-full:DisclosureOfFinancialLiabilitiesTable
2232 Continuing involvement in derecognised financial assets by type of instrument [axis] Axis ifrs-full:ContinuingInvolvementInDerecognisedFinancialAssetsByTypeOfInstrumentAxis
2233 Types of instrument [member] Member ifrs-full:TypesOfInstrumentMember
2234 Buy Member ifrs-full:PurchasedCallOptionsMember
2235 Sell Member ifrs-full:WrittenPutOptionsMember
2236 Classes of liabilities [axis] Axis ifrs-full:ClassesOfLiabilitiesAxis
2237 Liabilities [member] Member ifrs-full:LiabilitiesMember
2238 Cross currency swap contracts Member ifrs-full:CurrencySwapContractMember
2239 Disclosure of financial liabilities [line items] LineItems ifrs-full:DisclosureOfFinancialLiabilitiesLineItems
2240 Notional value Concept (Monetary) As Of ifrs-full:NotionalAmount
2241 Gain recognized in other gains or losses, net (hedging instrument) Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnFinancialLiabilitiesAtFairValueThroughProfitOrLossDesignatedAsUponInitialRecognition
2242 Losses on financial liabilities at fair value through profit or loss Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnFinancialLiabilitiesAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading
2243 43807 - Disclosure - Risk Management - Amounts recognized in profit or loss and other comprehensive income or loss (Details) Network

*

*

http://www.smics.com/role/DisclosureRiskManagementAmountsRecognizedInProfitOrLossAndOtherComprehensiveIncomeOrLossDetails
2244 Implied Table Table

*

*

implied:Table
2245 Risk Management Abstract ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsAbstract
2246 Other comprehensive income (loss) on cash flow hedges recognized during the year: Abstract ifrs-full:OtherComprehensiveIncomeAbstract
2247 Total fair value gain (loss) included in other comprehensive income (loss) Concept (Monetary) For Period Credit ifrs-full:GainLossOnHedgeIneffectivenessRecognisedInOtherComprehensiveIncome
2248 Reclassified from other comprehensive income (loss) to offset foreign exchange gains or losses Concept (Monetary) For Period Debit ifrs-full:ReclassificationAdjustmentsOnCashFlowHedgesForWhichHedgedItemAffectedProfitOrLossNetOfTax
2249 Other comprehensive income (losses) on cash flow hedges recognized during the year Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeNetOfTaxCashFlowHedges
2250 Balance of cash flow hedges reserve at beginning of the year Concept (Monetary) As Of Credit ifrs-full:ReserveOfCashFlowHedges
2251 Balance of cash flow hedges reserve at end of the year Concept (Monetary) As Of Credit ifrs-full:ReserveOfCashFlowHedges
2252 43808 - Disclosure - Risk Management - Cross currency swap contracts - Outstanding Contracts (Details) Network

*

*

http://www.smics.com/role/DisclosureRiskManagementCrossCurrencySwapContractsOutstandingContractsDetails
2253 Disclosure of financial liabilities [table] Table

*

*

ifrs-full:DisclosureOfFinancialLiabilitiesTable
2254 Classes of liabilities [axis] Axis ifrs-full:ClassesOfLiabilitiesAxis
2255 Liabilities [member] Member ifrs-full:LiabilitiesMember
2256 Cross currency swap contracts Member ifrs-full:CurrencySwapContractMember
2257 Maturity [axis] Axis ifrs-full:MaturityAxis
2258 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
2259 3 months to 1 year Member ifrs-full:LaterThanThreeMonthsAndNotLaterThanOneYearMember
2260 1 year to 5 years Member ifrs-full:LaterThanOneYearAndNotLaterThanFiveYearsMember
2261 ifrs Currency [Axis] Axis smi:IfrsCurrencyAxis
2262 ifrs All Currencies [Domain] Member smi:IfrsAllCurrenciesDomain
2263 RMB Member currency:CNY
2264 Categories of financial liabilities [axis] Axis ifrs-full:CategoriesOfFinancialLiabilitiesAxis
2265 Financial liabilities, category [member] Member ifrs-full:FinancialLiabilitiesCategoryMember
2266 Financial liabilities at FVTPL Member ifrs-full:FinancialLiabilitiesAtFairValueThroughProfitOrLossCategoryMember
2267 Measurement [axis] Axis ifrs-full:MeasurementAxis
2268 Aggregated measurement [member] Member ifrs-full:AggregatedMeasurementMember
2269 Recurring fair value measurement Member ifrs-full:RecurringFairValueMeasurementMember
2270 Continuing involvement in derecognised financial assets by type of instrument [axis] Axis ifrs-full:ContinuingInvolvementInDerecognisedFinancialAssetsByTypeOfInstrumentAxis
2271 Types of instrument [member] Member ifrs-full:TypesOfInstrumentMember
2272 Buy Member ifrs-full:PurchasedCallOptionsMember
2273 Sell Member ifrs-full:WrittenPutOptionsMember
2274 Disclosure of financial liabilities [line items] LineItems ifrs-full:DisclosureOfFinancialLiabilitiesLineItems
2275 Average exchange rate Concept (Pure) As Of smi:AverageExchangeRateForeignCurrencyToUnitedStatesDollar
2276 Notional value Concept (Monetary) As Of ifrs-full:NotionalAmount
2277 Assets Concept (Monetary) As Of Debit ifrs-full:Assets
2278 Liabilities Concept (Monetary) As Of Credit ifrs-full:Liabilities
2279 43809 - Disclosure - Risk Management - Interest rate sensitivity analysis (Details) Network

*

*

http://www.smics.com/role/DisclosureRiskManagementInterestRateSensitivityAnalysisDetails
2280 Implied Table Table

*

*

implied:Table
2281 Risk Management Abstract ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsAbstract
2282 Interest rate sensitivity analysis percentage (as a percent) Concept (Percent) For Period smi:InterestRateSensitivityAnalysisPercentage
2283 Increase (decrease) in profit Concept (Monetary) For Period Credit smi:InterestRateSensitivityAnalysisIncreaseDecreaseInProfitIfInterestRatesWereTenBasisPointsHigher
2284 43810 - Disclosure - Risk Management - Credit risk management (Details) Network

*

*

http://www.smics.com/role/DisclosureRiskManagementCreditRiskManagementDetails
2285 Disclosure of major customers [table] Table

*

*

ifrs-full:DisclosureOfMajorCustomersTable
2286 Major customers [axis] Axis ifrs-full:MajorCustomersAxis
2287 Customers [member] Member ifrs-full:MajorCustomersMember
2288 Customer A Member smi:CustomerMember
2289 Customer B Member smi:CustomerBMember
2290 Customer C Member smi:CustomerCMember
2291 Customer D Member smi:CustomerDMember
2292 Other customers Member smi:AllOtherCustomersMember
2293 Range [axis] Axis ifrs-full:RangeAxis
2294 Ranges [member] Member ifrs-full:RangesMember
2295 Maximum Member ifrs-full:TopOfRangeMember
2296 Disclosure of major customers [line items] LineItems ifrs-full:DisclosureOfMajorCustomersLineItems
2297 Number of customers having significant credit risk Concept (Integer) For Period smi:NumberOfCustomersHavingSignificantCreditRisk
2298 Percentage of entity's gross monetary assets (as a percent) Concept (Percent) As Of smi:ConcentrationOfCreditRiskPercentageOfEntitysGrossMonetaryAssets
2299 Threshold percentage Concept (Percent) For Period smi:ConcentrationRiskThresholdPercentage
2300 43811 - Disclosure - Risk Management - Loss allowance (Details) Network

*

*

http://www.smics.com/role/DisclosureRiskManagementLossAllowanceDetails
2301 Disclosure of provision matrix [table] Table

*

*

ifrs-full:DisclosureOfProvisionMatrixTable
2302 Past due status [axis] Axis ifrs-full:PastDueStatusAxis
2303 Past due status [member] Member ifrs-full:PastDueStatusMember
2304 Within 30 days Member ifrs-full:CurrentMember
2305 31-60 days Member ifrs-full:LaterThanOneMonthAndNotLaterThanTwoMonthsMember
2306 61–90 days Member ifrs-full:LaterThanTwoMonthsAndNotLaterThanThreeMonthsMember
2307 91–120 days Member ifrs-full:LaterThanThreeMonthsAndNotLaterThanFourMonthsMember
2308 Over 120 days Member ifrs-full:LaterThanFourMonthsMember
2309 Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Axis ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
2310 Carrying amount [member] Member ifrs-full:CarryingAmountMember
2311 Cost Member ifrs-full:GrossCarryingAmountMember
2312 Allowance Member ifrs-full:AccumulatedImpairmentMember
2313 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
2314 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
2315 Trade receivables Member ifrs-full:TradeReceivablesMember
2316 Disclosure of provision matrix [line items] LineItems ifrs-full:DisclosureOfProvisionMatrixLineItems
2317 Expected loss rate Concept (Percent) As Of ifrs-full:ExpectedCreditLossRate
2318 Financial asset Concept (Monetary) As Of Debit ifrs-full:FinancialAssets
2319 43812 - Disclosure - Risk Management - Movement in allowance on doubtful trade receivables (Details) Network

*

*

http://www.smics.com/role/DisclosureRiskManagementMovementInAllowanceOnDoubtfulTradeReceivablesDetails
2320 Implied Table Table

*

*

implied:Table
2321 Trade and other receivables Abstract ifrs-full:TradeAndOtherCurrentReceivablesAbstract
2322 Movement in allowance on doubtful trade receivables Abstract ifrs-full:ReconciliationOfChangesInAllowanceAccountForCreditLossesOfFinancialAssetsAbstract
2323 Balance at beginning of the year Concept (Monetary) As Of Credit ifrs-full:AllowanceAccountForCreditLossesOfFinancialAssets
2324 Addition in allowance on doubtful trade receivables Concept (Monetary) For Period ifrs-full:AdditionalAllowanceRecognisedInProfitOrLossAllowanceAccountForCreditLossesOfFinancialAssets
2325 Amounts written off during the year as uncollectible Concept (Monetary) For Period Debit ifrs-full:UtilisationAllowanceAccountForCreditLossesOfFinancialAssets
2326 Reversal of allowance on doubtful trade receivables Concept (Monetary) For Period ifrs-full:ReversalAllowanceAccountForCreditLossesOfFinancialAssets
2327 Reclassified as held-for-sale Concept (Monetary) For Period Debit smi:IncreaseDecreaseInAllowanceForCreditLossDueToReclassifiedAsHeldForSale
2328 Balance at end of the year Concept (Monetary) As Of Credit ifrs-full:AllowanceAccountForCreditLossesOfFinancialAssets
2329 43813 - Disclosure - Risk Management - Other financial assets at amortized cost (Details) Network

*

*

http://www.smics.com/role/DisclosureRiskManagementOtherFinancialAssetsAtAmortizedCostDetails
2330 Disclosure of financial assets [table] Table

*

*

ifrs-full:DisclosureOfFinancialAssetsTable
2331 Categories of financial assets [axis] Axis ifrs-full:CategoriesOfFinancialAssetsAxis
2332 Financial assets, category [member] Member ifrs-full:FinancialAssetsCategoryMember
2333 Financial assets at fair value through profit or loss Member ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember
2334 Disclosure of financial assets [line items] LineItems ifrs-full:DisclosureOfFinancialAssetsLineItems
2335 Maximum exposure of credit risk Concept (Monetary) As Of ifrs-full:MaximumExposureToCreditRiskOfFinancialAssets
2336 43814 - Disclosure - Risk Management - Liquidity and interest risk tables - Non-derivative Financial Liabilities (Details) Network

*

*

http://www.smics.com/role/DisclosureRiskManagementLiquidityAndInterestRiskTablesNonDerivativeFinancialLiabilitiesDetails
2337 Disclosure of maturity analysis for non-derivative financial liabilities [table] Table

*

*

ifrs-full:DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesTable
2338 Maturity [axis] Axis ifrs-full:MaturityAxis
2339 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
2340 Less than 3 months Member ifrs-full:NotLaterThanThreeMonthsMember
2341 3 months to 1 year Member ifrs-full:LaterThanThreeMonthsAndNotLaterThanOneYearMember
2342 1 year to 5 years Member ifrs-full:LaterThanOneYearAndNotLaterThanFiveYearsMember
2343 Over 5 years Member ifrs-full:LaterThanFiveYearsMember
2344 Types of interest rates [axis] Axis ifrs-full:TypesOfInterestRatesAxis
2345 Interest rate types [member] Member ifrs-full:InterestRateTypesMember
2346 Fixed interest rate [member] Member ifrs-full:FixedInterestRateMember
2347 Floating interest rate [member] Member ifrs-full:FloatingInterestRateMember
2348 Range [axis] Axis ifrs-full:RangeAxis
2349 Ranges [member] Member ifrs-full:RangesMember
2350 Minimum Member ifrs-full:BottomOfRangeMember
2351 Maximum Member ifrs-full:TopOfRangeMember
2352 Disclosure of maturity analysis for non-derivative financial liabilities [line items] LineItems ifrs-full:DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesLineItems
2353 Interest-bearing bank and other borrowings, weighted average effective interest rate (as a percent) Concept (Percent) As Of smi:BankBorrowingsUndiscountedCashFlowsWeightedAverageEffectiveInterestRate
2354 Interest-bearing bank and other borrowings Concept (Monetary) As Of Credit ifrs-full:BankBorrowingsUndiscountedCashFlows
2355 Convertible bonds, weighted average effective interest rate (as a percent) Concept (Percent) As Of smi:BondsIssuedConvertibleBondsUndiscountedCashFlowsWeightedAverageEffectiveInterestRate
2356 Convertible bonds Concept (Monetary) As Of Credit smi:BondsIssuedConvertibleBondsUndiscountedCashFlows
2357 Bonds payable, weighted average effective interest rate (as a percent) Concept (Percent) As Of smi:BondsIssuedUndiscountedCashFlowsWeightedAverageEffectiveInterestRate
2358 Bonds payable Concept (Monetary) As Of Credit ifrs-full:BondsIssuedUndiscountedCashFlows
2359 Medium-term notes, weighted average effective interest rate (as a percent) Concept (Percent) As Of smi:MediumTermNotesUndiscountedCashFlowsWeightedAverageEffectiveInterestRate
2360 Medium-term notes Concept (Monetary) As Of Credit smi:MediumTermNotesUndiscountedCashFlows
2361 Short-term notes, weighted average effective interest rate (as a percent) Concept (Percent) As Of smi:ShortTermNotesUndiscountedCashFlowsWeightedAverageEffectiveInterestRate
2362 Short-term notes Concept (Monetary) As Of Credit smi:ShortTermNotesUndiscountedCashFlows
2363 Finance lease payables, weighted average effective interest rate (as a percent) Concept (Percent) As Of smi:GrossFinanceLeaseObligationsWeightedAverageEffectiveInterestRate
2364 Finance lease payables Concept (Monetary) As Of Credit ifrs-full:GrossFinanceLeaseObligations
2365 Trade and other payables Concept (Monetary) As Of Credit ifrs-full:TradeAndOtherPayablesUndiscountedCashFlows
2366 Other liabilities Concept (Monetary) As Of Credit ifrs-full:OtherLiabilities
2367 Contingent consideration Concept (Monetary) As Of Credit smi:ContingentConsiderationUndiscountedCashFlows
2368 Non-derivative financial liabilities Concept (Monetary) As Of Credit ifrs-full:NonderivativeFinancialLiabilitiesUndiscountedCashFlows
2369 43815 - Disclosure - Risk Management - Liquidity and interest risk tables - Non-derivative Financial Assets (Details) Network

*

*

http://www.smics.com/role/DisclosureRiskManagementLiquidityAndInterestRiskTablesNonDerivativeFinancialAssetsDetails
2370 Disclosure of financial assets [table] Table

*

*

ifrs-full:DisclosureOfFinancialAssetsTable
2371 Maturity [axis] Axis ifrs-full:MaturityAxis
2372 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
2373 Less than 3 months Member ifrs-full:NotLaterThanThreeMonthsMember
2374 3 months to 1 year Member ifrs-full:LaterThanThreeMonthsAndNotLaterThanOneYearMember
2375 1 year to 5 years Member ifrs-full:LaterThanOneYearAndNotLaterThanFiveYearsMember
2376 Over 5 years Member ifrs-full:LaterThanFiveYearsMember
2377 Disclosure of financial assets [line items] LineItems ifrs-full:DisclosureOfFinancialAssetsLineItems
2378 Trade and other receivables Concept (Monetary) As Of Debit smi:TradeAndOtherReceivablesUndiscountedCashFlows
2379 Cash and cash equivalent, restricted cash, short-term investments, and financial assets at amortized cost weighted average effective interest rate (as a percent) Concept (Percent) As Of smi:CashAndCashEquivalentsRestrictedCashShortTermInvestmentsAndFinancialAssetsAtAmortizedCostUndiscountedCashFlowsWeightedAverageEffectiveInterestRate
2380 Cash and cash equivalent, restricted cash, short-term investments, and financial assets at amortized cost Concept (Monetary) As Of Debit smi:CashAndCashEquivalentsRestrictedCashShortTermInvestmentsAndFinancialAssetsAtAmortizedCostUndiscountedCashFlows
2381 Financial assets at fair value through profit or loss Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLoss
2382 Available for sale financial assets Concept (Monetary) As Of Debit smi:AvailableForSaleFinancialAssetsUndiscountedCashFlows
2383 Non-derivative financial assets Concept (Monetary) As Of Debit smi:NonDerivativeFinancialAssetsUndiscountedCashFlows
2384 43816 - Disclosure - Risk Management - Liquidity and interest risk tables - Short-term Financing Facilities (Details) Network

*

*

http://www.smics.com/role/DisclosureRiskManagementLiquidityAndInterestRiskTablesShortTermFinancingFacilitiesDetails
2385 Implied Table Table

*

*

implied:Table
2386 Risk Management Abstract ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsAbstract
2387 Undrawn borrowing facilities Concept (Monetary) As Of Credit ifrs-full:UndrawnBorrowingFacilities
2388 43817 - Disclosure - Risk Management - Liquidity and interest risk tables - Derivative Financial Liabilities (Details) Network

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*

http://www.smics.com/role/DisclosureRiskManagementLiquidityAndInterestRiskTablesDerivativeFinancialLiabilitiesDetails
2389 Disclosure of maturity analysis for derivative financial liabilities [table] Table

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*

ifrs-full:DisclosureOfMaturityAnalysisForDerivativeFinancialLiabilitiesTable
2390 Classes of assets [axis] Axis ifrs-full:ClassesOfAssetsAxis
2391 Assets [member] Member ifrs-full:ClassesOfAssetsMember
2392 Cross currency swap contracts Member ifrs-full:CurrencySwapContractMember
2393 Cross currency swap contract one Member smi:CrossCurrencySwapContractOneMember
2394 Cross currency swap contract two Member smi:CrossCurrencySwapContractTwoMember
2395 Classes of liabilities [axis] Axis ifrs-full:ClassesOfLiabilitiesAxis
2396 Liabilities [member] Member ifrs-full:LiabilitiesMember
2397 Cross currency swap contracts Member ifrs-full:CurrencySwapContractMember
2398 Cross currency swap contract one Member smi:CrossCurrencySwapContractOneMember
2399 Cross currency swap contract two Member smi:CrossCurrencySwapContractTwoMember
2400 Types of hedges [axis] Axis ifrs-full:TypesOfHedgesAxis
2401 Hedges [member] Member ifrs-full:TypesOfHedgesMember
2402 Cross currency swap contracts - cash flow hedges Member ifrs-full:CashFlowHedgesMember
2403 Maturity [axis] Axis ifrs-full:MaturityAxis
2404 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
2405 Less than 3 months Member ifrs-full:NotLaterThanThreeMonthsMember
2406 3 months to 1 year Member ifrs-full:LaterThanThreeMonthsAndNotLaterThanOneYearMember
2407 1 year to 5 years Member ifrs-full:LaterThanOneYearAndNotLaterThanFiveYearsMember
2408 Cash flow [Axis] Axis smi:CashFlowAxis
2409 Cash flow [Domain] Member smi:CashFlowDomain
2410 Gross settled, inflows Member smi:GrossSettledInflowsMember
2411 Gross settled, (outflows) Member smi:GrossSettledOutflowsMember
2412 Net settled, net inflows Member smi:NetSettledNetInflowsMember
2413 Net settled, net (outflows) Member smi:NetSettledOutflowsMember
2414 Disclosure of maturity analysis for derivative financial liabilities [line items] LineItems ifrs-full:DisclosureOfMaturityAnalysisForDerivativeFinancialLiabilitiesLineItems
2415 Derivative financial assets Concept (Monetary) As Of Debit smi:DerivativeFinancialAssetsUndiscountedCashFlows
2416 Derivative financial liabilities Concept (Monetary) As Of Credit ifrs-full:DerivativeFinancialLiabilitiesUndiscountedCashFlows
2417 43901 - Disclosure - Cash flow information (Details) Network

*

*

http://www.smics.com/role/DisclosureCashFlowInformationDetails
2418 Disclosure of reconciliation of liabilities arising from financing activities [table] Table

*

*

ifrs-full:DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesTable
2419 Types of hedges [axis] Axis ifrs-full:TypesOfHedgesAxis
2420 Hedges [member] Member ifrs-full:TypesOfHedgesMember
2421 Cross currency swap contracts - cash flow hedges Member ifrs-full:CashFlowHedgesMember
2422 Liabilities arising from financing activities [axis] Axis ifrs-full:LiabilitiesArisingFromFinancingActivitiesAxis
2423 Liabilities arising from financing activities [member] Member ifrs-full:LiabilitiesArisingFromFinancingActivitiesMember
2424 Short-term borrowings Member ifrs-full:ShorttermBorrowingsMember
2425 Long-term borrowings Member ifrs-full:LongtermBorrowingsMember
2426 Convertible bonds Member smi:ConvertibleBondsNoncurrentMember
2427 Bonds payable Member smi:BondsPayableMember
2428 Medium-term notes Member smi:MediumTermNotesNoncurrentMember
2429 Short-term notes Member smi:ShortTermNotesNoncurrentMember
2430 Currency swap contracts classified as derivative financial instruments as assets Member smi:CurrencySwapContractsDerivativeFinancialAssetsMember
2431 Currency swap contracts classified as derivative financial instruments as Liabilities Member smi:CurrencySwapContractsDerivativeFinancialLiabilitiesMember
2432 Currency swap contracts classified as other financial assets Member smi:CurrencySwapContractsOtherFinancialAssetsMember
2433 Currency swap contracts classified as other financial liabilities Member smi:CurrencySwapContractsOtherFinancialLiabilitiesMember
2434 Reconciliation of liabilities arising from financing activities LineItems ifrs-full:DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesLineItems
2435 Balance at beginning of period Concept (Monetary) As Of Credit ifrs-full:LiabilitiesArisingFromFinancingActivities
2436 Net cash flows in financing activities Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughFinancingCashFlowsLiabilitiesArisingFromFinancingActivities
2437 Reclassified as held-for-sale Concept (Monetary) For Period Credit smi:IncreaseDecreaseThroughReclassifiedAsHeldForSaleLiabilitiesArisingFromFinancingActivities
2438 Conversion options exercised Concept (Monetary) For Period Debit smi:IncreaseDecreaseThroughConversionOptionExercisedLiabilitiesArisingFromFinancingActivities
2439 Foreign exchange (gain) loss Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughEffectOfChangesInForeignExchangeRatesLiabilitiesArisingFromFinancingActivities
2440 Other non-cash movement Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughOtherChangesLiabilitiesArisingFromFinancingActivities
2441 Balance at end of period Concept (Monetary) As Of Credit ifrs-full:LiabilitiesArisingFromFinancingActivities
2442 Non cash acquisition of tangible and intangible assets Concept (Monetary) For Period Debit smi:NonCashAcquisitionOfTangibleAndIntangibleAssets
2443 44001 - Disclosure - Related party transactions - Trading Transactions (Details) Network

*

*

http://www.smics.com/role/DisclosureRelatedPartyTransactionsTradingTransactionsDetails
2444 Disclosure of transactions between related parties [table] Table

*

*

ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesTable
2445 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
2446 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
2447 Datang Microelectronics Technology Co., Ltd. Member smi:DatangMicroelectronicsTechnologyCoLtdMember
2448 Datang Semiconductor Co., Ltd. Member smi:DatangSemiconductorCoLtdMember
2449 Leadcore Member smi:LeadcoreTechnologyCoLtdAndLeadcoreTechnologyHongKongCoLtdMember
2450 Toppan SMIC Electronic (Shanghai) Co., Ltd ("Toppan") Member smi:ToppanSmicElectronicShanghaiCoLtdMember
2451 Zhongxin Xiecheng Investment (Beijing) Co., Ltd ("Zhongxin Xiecheng") Member smi:ZhongxinXiechengInvestmentBeijingCoLtdMember
2452 Brite Member smi:BriteSemiconductorCorporationAndItsSubsidiariesMember
2453 JCET Member smi:JiangsuChangjiangElectronicsTechnologyCoLtdMember
2454 SMEC Member smi:SemiconductorManufacturingElectronicsShaoxingCorporationSmecMember
2455 NSI Member smi:NingboSemiconductorInternationalCorporationMember
2456 China Fortune-Tech Capital Co., Ltd ("China Fortune-Tech") Member smi:ChinaFortuneTechCapitalCoLtdMember
2457 Datang Finance Member smi:DatangTelecomGroupFinanceCoLtdMember
2458 Sino IC Leasing Co., Ltd. ("Sino IC Leasing") Member smi:SinoIcLeasingCoLtdMember
2459 Related party transactions LineItems ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesLineItems
2460 Sale of goods Concept (Monetary) For Period Credit ifrs-full:RevenueFromSaleOfGoodsRelatedPartyTransactions
2461 Sale of services Concept (Monetary) For Period Credit ifrs-full:RevenueFromRenderingOfServicesRelatedPartyTransactions
2462 Purchase of goods Concept (Monetary) For Period Debit ifrs-full:PurchasesOfGoodsRelatedPartyTransactions
2463 Purchase of services Concept (Monetary) For Period Debit ifrs-full:ServicesReceivedRelatedPartyTransactions
2464 Sale of equipment Concept (Monetary) For Period Credit smi:RevenueFromSaleOfEquipmentRelatedPartyTransactions
2465 Grant of licensing Concept (Monetary) For Period Credit smi:RevenueFromGrantOfLicensingRelatedPartyTransactions
2466 44002 - Disclosure - Related party transactions - Outstanding Balances (Details) Network

*

*

http://www.smics.com/role/DisclosureRelatedPartyTransactionsOutstandingBalancesDetails
2467 Disclosure of transactions between related parties [table] Table

*

*

ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesTable
2468 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
2469 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
2470 Datang Microelectronics Technology Co., Ltd. Member smi:DatangMicroelectronicsTechnologyCoLtdMember
2471 Datang Semiconductor Co., Ltd. Member smi:DatangSemiconductorCoLtdMember
2472 Leadcore Member smi:LeadcoreTechnologyCoLtdAndLeadcoreTechnologyHongKongCoLtdMember
2473 Toppan SMIC Electronic (Shanghai) Co., Ltd ("Toppan") Member smi:ToppanSmicElectronicShanghaiCoLtdMember
2474 Brite Member smi:BriteSemiconductorCorporationAndItsSubsidiariesMember
2475 JCET Member smi:JiangsuChangjiangElectronicsTechnologyCoLtdMember
2476 SMEC Member smi:SemiconductorManufacturingElectronicsShaoxingCorporationSmecMember
2477 NSI Member smi:NingboSemiconductorInternationalCorporationMember
2478 China Fortune-Tech Capital Co., Ltd ("China Fortune-Tech") Member smi:ChinaFortuneTechCapitalCoLtdMember
2479 Sino IC Leasing Co., Ltd. ("Sino IC Leasing") Member smi:SinoIcLeasingCoLtdMember
2480 Related party transactions LineItems ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesLineItems
2481 Amounts due from related parties Concept (Monetary) As Of Debit ifrs-full:AmountsReceivableRelatedPartyTransactions
2482 Amounts due to related parties Concept (Monetary) As Of Credit ifrs-full:AmountsPayableRelatedPartyTransactions
2483 44003 - Disclosure - Related party transactions - Narrative (Details) Network

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*

http://www.smics.com/role/DisclosureRelatedPartyTransactionsNarrativeDetails
2484 Disclosure of transactions between related parties [table] Table

*

*

ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesTable
2485 Debt Instrument [Axis] Axis us-gaap:DebtInstrumentAxis
2486 Debt Instrument, Name [Domain] Member us-gaap:DebtInstrumentNameDomain
2487 Oriented Debt Financing Instrument [Member] Member smi:OrientedDebtFinancingInstrumentMember
2488 Separate management entities [axis] Axis ifrs-full:SeparateManagementEntitiesAxis
2489 Separate management entities [member] Member ifrs-full:SeparateManagementEntitiesMember
2490 Semiconductor Manufacturing International (Beijing) Corporation ("SMIB" or "SMIC Beijing") Member smi:SemiconductorManufacturingInternationalBeijingCorporationMember
2491 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
2492 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
2493 Sino IC Leasing (Tianjin) Co., Ltd. Member smi:SinoIcLeasingTianjinCoLtdMember
2494 Xincheng Leasing (Tianjin) Co., Ltd, Xindian Leasing (Tianjin) Co., Ltd and Xinlu Leasing (Tianjin) Co., Ltd Member smi:XinchengLeasingTianjinCoLtdXindianLeasingTianjinCoLtdAndXinluLeasingTianjinCoLtdMember
2495 Sino IC Leasing Co., Ltd. ("Sino IC Leasing") Member smi:SinoIcLeasingCoLtdMember
2496 SMEC Member smi:SemiconductorManufacturingElectronicsShaoxingCorporationSmecMember
2497 Xinhe Leasing (Tianjin) Co., Ltd Member smi:XinheLeasingTianjinCoLtdMember
2498 Related party transactions LineItems ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesLineItems
2499 Number of financing arrangements Concept (Integer) As Of smi:NumberOfFinancingArrangements
2500 Proceeds from disposal of property, plant and equipment and assets classified as held-for-sale Concept (Monetary) For Period Debit ifrs-full:ProceedsFromSalesOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities
2501 Number of leasing companies Concept (Integer) For Period smi:NumberOfLeasingCompaniesArrangements
2502 Grant of licensing, revenue Concept (Monetary) For Period Credit smi:RevenueFromGrantOfLicensingRelatedPartyTransactions
2503 Grant of licensing, cost of sales Concept (Monetary) For Period Debit smi:CostOfSalesGrantOfLicensingRelatedPartyTransactions.
2504 Amount of debt subscribed Concept (Monetary) As Of Credit smi:AmountOfDebtSubscribed
2505 Principal amount Concept (Monetary) As Of ifrs-full:NotionalAmount
2506 44004 - Disclosure - Related party transactions - Key Management Personnel and Directors (Detail) Network

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*

http://www.smics.com/role/DisclosureRelatedPartyTransactionsKeyManagementPersonnelAndDirectorsDetail
2507 Disclosure of transactions between related parties [table] Table

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*

ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesTable
2508 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
2509 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
2510 Key management Member smi:KeyManagementMember
2511 Directors Member smi:IfrsDirectorMember
2512 Related party LineItems ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesLineItems
2513 Salaries, bonus and benefits Concept (Monetary) For Period Debit ifrs-full:KeyManagementPersonnelCompensationShorttermEmployeeBenefits
2514 Equity-settled share-based payments Concept (Monetary) For Period Debit ifrs-full:KeyManagementPersonnelCompensationSharebasedPayment
2515 Key management personnel compensation Concept (Monetary) For Period Debit ifrs-full:KeyManagementPersonnelCompensation
2516 Number of directors and/or key management Concept (Integer) As Of smi:NumberOfKeyPersonnel
2517 Outstanding consideration per arrangement/contract Concept (Monetary) For Period Credit ifrs-full:SalesOfPropertyAndOtherAssetsRelatedPartyTransactions
2518 44101 - Disclosure - Commitments for expenditure - Purchase commitments (Details) Network

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*

http://www.smics.com/role/DisclosureCommitmentsForExpenditurePurchaseCommitmentsDetails
2519 Implied Table Table

*

*

implied:Table
2520 Commitments for expenditure Abstract ifrs-full:CapitalCommitmentsAbstract
2521 Commitments for the facility construction Concept (Monetary) As Of Credit smi:CommitmentsForFacilityConstruction
2522 Commitments for the acquisition of property, plant and equipment Concept (Monetary) As Of Credit ifrs-full:ContractualCommitmentsForAcquisitionOfPropertyPlantAndEquipment
2523 Commitments for the acquisition of intangible assets Concept (Monetary) As Of Credit ifrs-full:ContractualCommitmentsForAcquisitionOfIntangibleAssets
2524 Total capital commitments Concept (Monetary) As Of Credit ifrs-full:CapitalCommitments
2525 44102 - Disclosure - Commitments for expenditure - Non-cancellable operating leases (Details) Network

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*

http://www.smics.com/role/DisclosureCommitmentsForExpenditureNonCancellableOperatingLeasesDetails
2526 Non-cancellable operating leases Table

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*

ifrs-full:DisclosureOfFinanceLeaseAndOperatingLeaseByLessorTable
2527 Maturity [axis] Axis ifrs-full:MaturityAxis
2528 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
2529 Within 1 year Member ifrs-full:NotLaterThanOneYearMember
2530 1 year to 5 years Member ifrs-full:LaterThanOneYearAndNotLaterThanFiveYearsMember
2531 Range [axis] Axis ifrs-full:RangeAxis
2532 Ranges [member] Member ifrs-full:RangesMember
2533 Minimum Member ifrs-full:BottomOfRangeMember
2534 Maximum Member ifrs-full:TopOfRangeMember
2535 Non-cancellable operating leases LineItems ifrs-full:DisclosureOfFinanceLeaseAndOperatingLeaseByLesseeLineItems
2536 Terms of leases Concept (xbrli:durationItemType) For Period smi:IfrsLesseeOperatingLeaseTermOfContract
2537 Total future minimum lease payments Concept (Monetary) As Of Credit ifrs-full:MinimumLeasePaymentsPayableUnderNoncancellableOperatingLease
2538 44201 - Disclosure - Financial information of parent company - Statement of profit or loss (Details) Network

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*

http://www.smics.com/role/DisclosureFinancialInformationOfParentCompanyStatementOfProfitOrLossDetails
2539 ifrs Condensed Financial Statements [Table] Table

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*

smi:IfrsCondensedFinancialStatementsTable
2540 ifrs Consolidated Entities [Axis] Axis smi:IfrsConsolidatedEntitiesAxis
2541 ifrs Consolidated Entities [Domain] Member smi:IfrsConsolidatedEntitiesDomain
2542 Parent company Member smi:IfrsParentCompanyMember
2543 ifrs Statement [Line Items] LineItems smi:IfrsStatementLineItems
2544 Revenue Concept (Monetary) For Period Credit ifrs-full:RevenueFromContractsWithCustomers
2545 General and administration expenses Concept (Monetary) For Period Debit ifrs-full:GeneralAndAdministrativeExpense
2546 Profit from operations Concept (Monetary) For Period Credit ifrs-full:ProfitLossFromOperatingActivities
2547 Interest income Concept (Monetary) For Period Credit ifrs-full:RevenueFromInterest
2548 Finance costs Concept (Monetary) For Period Debit ifrs-full:FinanceCosts
2549 Foreign exchange losses Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss
2550 Share of profits of subsidiaries Concept (Monetary) For Period Credit smi:ShareOfProfitLossOfSubsidiariesAccountedForUsingEquityMethod
2551 Share of profits of associates Concept (Monetary) For Period Credit ifrs-full:ShareOfProfitLossOfAssociatesAccountedForUsingEquityMethod
2552 Other gains (losses), net Concept (Monetary) For Period Credit ifrs-full:OtherGainsLosses
2553 Profit before tax Concept (Monetary) For Period Credit ifrs-full:ProfitLossBeforeTax
2554 Income tax expense Concept (Monetary) For Period Debit ifrs-full:IncomeTaxExpenseContinuingOperations
2555 Profit for the year Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
2556 Other comprehensive income (loss) on cash flow hedges recognized during the year: Abstract ifrs-full:OtherComprehensiveIncomeAbstract
2557 Items that may be reclassified subsequently to profit or loss Abstract ifrs-full:ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract
2558 Exchange differences on translating foreign operations Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation
2559 Change in value of available-for-sale financial assets Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeNetOfTaxAvailableforsaleFinancialAssets
2560 Cash flow hedges Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeNetOfTaxCashFlowHedges
2561 Share of other comprehensive income of joint ventures accounted for using equity method Concept (Monetary) For Period Credit ifrs-full:ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillBeReclassifiedToProfitOrLossNetOfTax
2562 Other Concept (Monetary) For Period Credit smi:IfrsOtherComprehensiveIncomeOtherNetOfTax
2563 Items that will not be reclassified to profit or loss Abstract ifrs-full:ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTaxAbstract
2564 Actuarial gains or losses on defined benefit plans Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeNetOfTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans
2565 Total comprehensive income (loss) for the year Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncome
2566 44202 - Disclosure - Financial information of parent company - Statement of financial position (Details) Network

*

*

http://www.smics.com/role/DisclosureFinancialInformationOfParentCompanyStatementOfFinancialPositionDetails
2567 ifrs Condensed Financial Statements [Table] Table

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*

smi:IfrsCondensedFinancialStatementsTable
2568 ifrs Consolidated Entities [Axis] Axis smi:IfrsConsolidatedEntitiesAxis
2569 ifrs Consolidated Entities [Domain] Member smi:IfrsConsolidatedEntitiesDomain
2570 Parent company Member smi:IfrsParentCompanyMember
2571 ifrs Statement [Line Items] LineItems smi:IfrsStatementLineItems
2572 Assets Abstract ifrs-full:AssetsAbstract
2573 Non-current assets Abstract ifrs-full:NoncurrentAssetsAbstract
2574 Property, plant and equipment Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipment
2575 Intangible assets Concept (Monetary) As Of Debit ifrs-full:IntangibleAssetsOtherThanGoodwill
2576 Investments in subsidiaries Concept (Monetary) As Of Debit ifrs-full:InvestmentsInSubsidiaries
2577 Derivative financial instruments Concept (Monetary) As Of Debit ifrs-full:NoncurrentDerivativeFinancialAssets
2578 Investments in associates Concept (Monetary) As Of Debit ifrs-full:InvestmentsInAssociatesAccountedForUsingEquityMethod
2579 Other financial assets Concept (Monetary) As Of Debit ifrs-full:OtherNoncurrentFinancialAssets
2580 Other assets Concept (Monetary) As Of Debit ifrs-full:OtherNoncurrentAssets
2581 Total non-current assets Concept (Monetary) As Of Debit ifrs-full:NoncurrentAssets
2582 Current assets Abstract ifrs-full:CurrentAssetsAbstract
2583 Prepayment and prepaid operating expenses Concept (Monetary) As Of Debit ifrs-full:CurrentPrepayments
2584 Trade and other receivables Concept (Monetary) As Of Debit ifrs-full:TradeAndOtherCurrentReceivables
2585 Due from subsidiaries Concept (Monetary) As Of Debit ifrs-full:TradeAndOtherCurrentReceivablesDueFromRelatedParties
2586 Financial assets at amortized cost Concept (Monetary) As Of Debit ifrs-full:CurrentFinancialAssetsAtAmortisedCost
2587 Derivative financial instruments Concept (Monetary) As Of Debit ifrs-full:CurrentDerivativeFinancialAssets
2588 Other financial assets Concept (Monetary) As Of Debit ifrs-full:OtherCurrentFinancialAssets
2589 Cash and cash equivalent Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
2590 Total current assets Concept (Monetary) As Of Debit ifrs-full:CurrentAssets
2591 Total assets Concept (Monetary) As Of Debit ifrs-full:Assets
2592 Equity and liabilities Abstract ifrs-full:EquityAndLiabilitiesAbstract
2593 Capital and reserves Abstract ifrs-full:EquityAbstract
2594 Ordinary shares, $0.004 par value, 10,000,000,000 shares authorized, 5,039,819,199, 4,916,106,889 and 4,252,922,259 shares issued and outstanding at December 31, 2018, 2017 and 2016, respectively Concept (Monetary) As Of Credit ifrs-full:IssuedCapital
2595 Share premium Concept (Monetary) As Of Credit ifrs-full:SharePremium
2596 Reserves Concept (Monetary) As Of Credit ifrs-full:OtherReserves
2597 Retained earnings (accumulated deficit) Concept (Monetary) As Of Credit ifrs-full:RetainedEarnings
2598 Equity attributable to owners of the Company Concept (Monetary) As Of Credit ifrs-full:EquityAttributableToOwnersOfParent
2599 Perpetual subordinated convertible securities Concept (Monetary) As Of Credit smi:IfrsConvertibleSubordinatedDebt
2600 Total equity Concept (Monetary) As Of Credit ifrs-full:Equity
2601 Non-current liabilities Abstract ifrs-full:NoncurrentLiabilitiesAbstract
2602 Borrowings Concept (Monetary) As Of Credit ifrs-full:LongtermBorrowings
2603 Convertible bonds Concept (Monetary) As Of Credit smi:ConvertibleBondsNoncurrent
2604 Bonds payable Concept (Monetary) As Of Credit ifrs-full:NoncurrentPortionOfNoncurrentBondsIssued
2605 Medium-term notes Concept (Monetary) As Of Credit smi:IfrsMediumTermNotesNoncurrent
2606 Derivative financial instruments Concept (Monetary) As Of Credit ifrs-full:NoncurrentDerivativeFinancialLiabilities
2607 Other financial liabilities Concept (Monetary) As Of Credit ifrs-full:OtherNoncurrentFinancialLiabilities
2608 Other liabilities Concept (Monetary) As Of Credit ifrs-full:OtherNoncurrentLiabilities
2609 Total non-current liabilities Concept (Monetary) As Of Credit ifrs-full:NoncurrentLiabilities
2610 Current liabilities Abstract ifrs-full:CurrentLiabilitiesAbstract
2611 Trade and other payables Concept (Monetary) As Of Credit ifrs-full:TradeAndOtherCurrentPayables
2612 Due to subsidiaries Concept (Monetary) As Of Credit ifrs-full:TradeAndOtherCurrentPayablesToRelatedParties
2613 Borrowings Concept (Monetary) As Of Credit ifrs-full:CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings
2614 Convertible bonds Concept (Monetary) As Of Credit smi:ConvertibleBondsCurrent
2615 Bonds payable Concept (Monetary) As Of Credit ifrs-full:CurrentBondsIssuedAndCurrentPortionOfNoncurrentBondsIssued
2616 Medium-term notes Concept (Monetary) As Of Credit smi:CurrentMediumTermNotesIssuedAndCurrentPortionOfNonCurrentMediumTermNotesIssued
2617 Short-term notes Concept (Monetary) As Of Credit smi:IfrsShortTermNonBankLoansAndNotesPayable
2618 Accrued liabilities Concept (Monetary) As Of Credit ifrs-full:CurrentAccruedExpensesAndOtherCurrentLiabilities
2619 Derivative financial instruments Concept (Monetary) As Of Credit ifrs-full:CurrentDerivativeFinancialLiabilities
2620 Other financial liabilities Concept (Monetary) As Of Credit ifrs-full:OtherCurrentFinancialLiabilities
2621 Total current liabilities Concept (Monetary) As Of Credit ifrs-full:CurrentLiabilities
2622 Total liabilities Concept (Monetary) As Of Credit ifrs-full:Liabilities
2623 Total equity and liabilities Concept (Monetary) As Of Credit ifrs-full:EquityAndLiabilities
2624 44203 - Disclosure - Financial information of parent company - Statement of financial position parenthetical values (Details) Network

*

*

http://www.smics.com/role/DisclosureFinancialInformationOfParentCompanyStatementOfFinancialPositionParentheticalValuesDetails
2625 ifrs Condensed Financial Statements [Table] Table

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*

smi:IfrsCondensedFinancialStatementsTable
2626 ifrs Consolidated Entities [Axis] Axis smi:IfrsConsolidatedEntitiesAxis
2627 ifrs Consolidated Entities [Domain] Member smi:IfrsConsolidatedEntitiesDomain
2628 Parent company Member smi:IfrsParentCompanyMember
2629 ifrs Statement [Line Items] LineItems smi:IfrsStatementLineItems
2630 Ordinary shares, par value (in dollars per share) Concept (Share) As Of ifrs-full:ParValuePerShare
2631 Ordinary shares, shares authorized (in shares) Concept (Shares) As Of ifrs-full:NumberOfSharesAuthorised
2632 Ordinary shares, shares issued (in shares) Concept (Shares) As Of ifrs-full:NumberOfSharesIssued
2633 Ordinary shares, shares outstanding (in shares) Concept (Shares) As Of ifrs-full:NumberOfSharesOutstanding
2634 44204 - Disclosure - Financial information of parent company - Statement of changes in equity (Details) Network

*

*

http://www.smics.com/role/DisclosureFinancialInformationOfParentCompanyStatementOfChangesInEquityDetails
2635 Statement of changes in equity [table] Table

*

*

ifrs-full:StatementOfChangesInEquityTable
2636 ifrs Consolidated Entities [Axis] Axis smi:IfrsConsolidatedEntitiesAxis
2637 ifrs Consolidated Entities [Domain] Member smi:IfrsConsolidatedEntitiesDomain
2638 Parent company Member smi:IfrsParentCompanyMember
2639 Components of equity [axis] Axis ifrs-full:ComponentsOfEquityAxis
2640 Equity [member] Member ifrs-full:EquityMember
2641 Ordinary shares Member ifrs-full:IssuedCapitalMember
2642 Share premium Member ifrs-full:SharePremiumMember
2643 Equity-settled employee benefits reserve Member ifrs-full:ReserveOfSharebasedPaymentsMember
2644 Foreign currency translation reserve Member ifrs-full:ReserveOfExchangeDifferencesOnTranslationMember
2645 Change in value of available-for-sale financial assets Member ifrs-full:ReserveOfGainsAndLossesOnRemeasuringAvailableforsaleFinancialAssetsMember
2646 Convertible bonds equity reserve Member ifrs-full:ReserveOfEquityComponentOfConvertibleInstrumentsMember
2647 Defined benefit plan reserve Member ifrs-full:ReserveOfRemeasurementsOfDefinedBenefitPlansMember
2648 Cash flow hedges Member ifrs-full:ReserveOfCashFlowHedgesMember
2649 Share of other comprehensive income of joint ventures accounted for using equity method Member ifrs-full:ReserveOfGainsAndLossesFromInvestmentsInEquityInstrumentsMember
2650 Others Member ifrs-full:MiscellaneousOtherReservesMember
2651 Accumulated deficit Member ifrs-full:RetainedEarningsMember
2652 Perpetual subordinated convertible securities Member smi:PerpetualSubordinatedConvertibleSecuritiesMember
2653 Statement of changes in equity [line items] LineItems ifrs-full:StatementOfChangesInEquityLineItems
2654 Balance at beginning of year Concept (Monetary) As Of Credit ifrs-full:Equity
2655 Change in accounting policy Concept (Monetary) For Period Credit smi:IfrsCumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption
2656 Restated total equity at January 1, 2018 Concept (Monetary) As Of Credit smi:EquityAdjustedForCumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption
2657 Profit for the year Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
2658 Other comprehensive income (losses) for the year Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncome
2659 Total comprehensive income (loss) for the year Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncome
2660 Issuance of ordinary shares Concept (Monetary) For Period Credit ifrs-full:IssueOfEquity
2661 Cancellation of treasury stock Concept (Monetary) For Period Credit ifrs-full:CancellationOfTreasuryShares
2662 Share premium reduction Concept (Monetary) For Period Debit smi:ReductionOfSharePremium
2663 Exercise of stock options Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughExerciseOfOptions
2664 Share-based compensation Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughSharebasedPaymentTransactions
2665 Conversion options exercised - Equity component Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughConversionOfConvertibleInstruments
2666 Recognition of equity component of convertible bonds Concept (Monetary) For Period Credit ifrs-full:IssueOfConvertibleInstruments
2667 Gain on transfer of business operation Concept (Monetary) For Period Credit smi:IncreaseDecreaseThroughEffectOfTransferOfBusinessOperation
2668 Perpetual subordinated convertible securities Concept (Monetary) For Period Credit smi:IncreaseDecreasePerpetualSubordinatedConvertibleSecurities
2669 Distribution to perpetual subordinated convertible securities Concept (Monetary) For Period Debit smi:DecreaseThroughDistributionToPerpetualSubordinatedConvertibleDebtSecurities.
2670 Deconsolidation of subsidiaries due to loss of control Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughChangeInEquityOfSubsidiaries
2671 Share of other capital reserve of associates accounted for using equity method Concept (Monetary) For Period Debit smi:ShareOfOtherCapitalReserveOfAssociatesAccountedForUsingEquityMethod
2672 Subtotal Concept (Monetary) For Period Credit smi:ChangesInEquityExcludingComprehensiveIncome
2673 Balance at end of year Concept (Monetary) As Of Credit ifrs-full:Equity
2674 44205 - Disclosure - Financial information of parent company - Statement of cash flow (Details) Network

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http://www.smics.com/role/DisclosureFinancialInformationOfParentCompanyStatementOfCashFlowDetails
2675 ifrs Condensed Financial Statements [Table] Table

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smi:IfrsCondensedFinancialStatementsTable
2676 ifrs Consolidated Entities [Axis] Axis smi:IfrsConsolidatedEntitiesAxis
2677 ifrs Consolidated Entities [Domain] Member smi:IfrsConsolidatedEntitiesDomain
2678 Parent company Member smi:IfrsParentCompanyMember
2679 ifrs Statement [Line Items] LineItems smi:IfrsStatementLineItems
2680 Operating activities Abstract ifrs-full:CashFlowsFromUsedInOperatingActivitiesAbstract
2681 Profit for the year Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
2682 Adjustments for: Abstract ifrs-full:AdjustmentsForReconcileProfitLossAbstract
2683 Amortization of intangible assets and land use right Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForAmortisationExpense
2684 Depreciation of property, plant and equipment Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForDepreciationExpense
2685 Expense recognized in respect of equity-settled share- based payments Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForSharebasedPayments
2686 Finance costs Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForFinanceCosts
2687 Interest income Concept (Monetary) For Period Credit ifrs-full:AdjustmentsForInterestIncome
2688 Impairment loss recognised on property, plant and equipment Concept (Monetary) For Period ifrs-full:ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment
2689 Net (gain) loss arising on financial liabilities at fair value through profit or loss Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnFinancialLiabilitiesAtFairValueThroughProfitOrLoss
2690 Net loss (gain) on foreign exchange Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForUnrealisedForeignExchangeLossesGains
2691 Share of profit of investment accounted for using equity method Concept (Monetary) For Period Credit ifrs-full:ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod
2692 Operating cash flows before movements in working capital: Concept (Monetary) For Period ifrs-full:CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital
2693 Decrease (increase) in trade and other receivables Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivables
2694 Decrease (increase) in prepaid operating expenses Concept (Monetary) For Period Credit smi:IfrsIncreaseDecreaseInPrepaidExpense
2695 Decrease (increase) in other operating assets Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForDecreaseIncreaseInOtherAssets
2696 Increase in trade and other payables Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForIncreaseDecreaseInTradeAndOtherPayables
2697 Increase (decrease) in other operating liabilities Concept (Monetary) For Period Debit smi:IfrsIncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities
2698 Cash generated from operations Concept (Monetary) For Period ifrs-full:CashFlowsFromUsedInOperations
2699 Interest paid Concept (Monetary) For Period Credit ifrs-full:InterestPaidClassifiedAsOperatingActivities
2700 Interest received Concept (Monetary) For Period Debit ifrs-full:InterestReceivedClassifiedAsOperatingActivities
2701 Net cash generated from operating activities Concept (Monetary) For Period ifrs-full:CashFlowsFromUsedInOperatingActivities
2702 Investing activities Abstract ifrs-full:CashFlowsFromUsedInInvestingActivitiesAbstract
2703 Payments to acquire financial assets at fair value through profit or loss Concept (Monetary) For Period Credit smi:PurchaseOfFinancialInstrumentsAtFairValueThroughProfitOrLossClassifiedAsInvestingActivities
2704 Proceeds from sale of financial assets at fair value through profit or loss Concept (Monetary) For Period Debit smi:ProceedsFromSaleOfFinancialAssetsAtFairValueThroughProfitOrLoss
2705 Payments to acquire financial assets at amortized cost Concept (Monetary) For Period Credit smi:PaymentsToAcquireFinancialAssetsAtAmortizedCost
2706 Payments to acquire financial assets Concept (Monetary) For Period Credit ifrs-full:PurchaseOfFinancialInstrumentsClassifiedAsInvestingActivities
2707 Proceeds on sale of financial assets Concept (Monetary) For Period Debit ifrs-full:ProceedsFromSalesOrMaturityOfFinancialInstrumentsClassifiedAsInvestingActivities
2708 Investment in subsidiaries Concept (Monetary) For Period Credit ifrs-full:CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities
2709 Investment in associates Concept (Monetary) For Period Credit ifrs-full:PurchaseOfInterestsInAssociates
2710 Payments for property, plant and equipment Concept (Monetary) For Period Credit ifrs-full:PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities
2711 Payments for intangible assets Concept (Monetary) For Period Credit ifrs-full:PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities
2712 Proceeds from disposal of available-for-sale investment Concept (Monetary) For Period Debit ifrs-full:ProceedsFromDisposalOrMaturityOfAvailableforsaleFinancialAssets
2713 Cash paid for subsidiaries Concept (Monetary) For Period Credit ifrs-full:CashAdvancesAndLoansMadeToRelatedParties
2714 Distributions received from associates Concept (Monetary) For Period Debit ifrs-full:DividendsReceivedFromAssociatesClassifiedAsInvestingActivities
2715 Net cash used in investing activities Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromUsedInInvestingActivities
2716 Financing activities Abstract ifrs-full:CashFlowsFromUsedInFinancingActivitiesAbstract
2717 Proceeds from borrowings Concept (Monetary) For Period Debit ifrs-full:ProceedsFromBorrowingsClassifiedAsFinancingActivities
2718 Proceeds from issuance of new shares Concept (Monetary) For Period Debit ifrs-full:ProceedsFromIssuingShares
2719 Proceeds from issuance of convertible bonds Concept (Monetary) For Period Debit smi:ProceedsFromIssuanceOfConvertibleBonds
2720 Proceeds from issuance of short-term and medium-term notes Concept (Monetary) For Period Debit smi:ProceedsFromIssuanceOfShortTermAndMediumTermNotes
2721 Repayment of short-term notes Concept (Monetary) For Period Credit smi:RepaymentOfShortTermNotes
2722 Proceeds from issuance of perpetual subordinated convertible securities Concept (Monetary) For Period Debit smi:ProceedsFromIssuanceOfPerpetualSubordinatedConvertibleSecurities
2723 Distribution of perpetual subordinated convertible securities Concept (Monetary) For Period Credit smi:DistributionPaidToPerpetualSubordinatedConvertibleSecuritiesHolders
2724 Proceeds from exercise of employee stock options Concept (Monetary) For Period Debit ifrs-full:ProceedsFromExerciseOfOptions
2725 Payments to acquire treasury shares Concept (Monetary) For Period Credit smi:PaymentsToAcquireTreasuryShares
2726 Cash received from subsidiaries Concept (Monetary) For Period Debit smi:CashReceivedPaidForFromSubsidiariesClassifiedAsFinancingActivities
2727 Net cash from financing activities Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromUsedInFinancingActivities
2728 Net (decrease) increase in cash and cash equivalent Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges
2729 Cash and cash equivalent at the beginning of the year Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
2730 Effects of exchange rate changes on the balance of cash held in foreign currencies Concept (Monetary) For Period Debit ifrs-full:EffectOfExchangeRateChangesOnCashAndCashEquivalents
2731 Cash and cash equivalent at the end of the year Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
2732 44301 - Disclosure - Subsequent Events (Details) Network

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http://www.smics.com/role/DisclosureSubsequentEventsDetails
2733 Disclosure of non-adjusting events after reporting period [table] Table

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ifrs-full:DisclosureOfNonadjustingEventsAfterReportingPeriodTable
2734 Non-adjusting events after reporting period [axis] Axis ifrs-full:NonadjustingEventsAfterReportingPeriodAxis
2735 Non-adjusting events after reporting period [member] Member ifrs-full:NonadjustingEventsMember
2736 Major ordinary share transactions Member ifrs-full:MajorOrdinaryShareTransactionsMember
2737 Legal Entity [Axis] Axis dei:LegalEntityAxis
2738 Entity [Domain] Member dei:EntityDomain
2739 SMIC Hong Kong International Company Limited (formerly "SMIC Shanghai (HK) Company Limited") Member smi:SmicHongKongInternationalCompanyLimitedMember
2740 Ownership [Axis] Axis srt:OwnershipAxis
2741 Ownership [Domain] Member srt:OwnershipDomain
2742 LFoundry Member smi:LfoundryMember
2743 Subsequent events LineItems ifrs-full:DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems
2744 Proportion of ownership interest in subsidiary Concept (Percent) For Period ifrs-full:ProportionOfOwnershipInterestInSubsidiary
2745 Consideration transferred, acquisition-date fair value Concept (Monetary) As Of Credit ifrs-full:AcquisitiondateFairValueOfTotalConsiderationTransferred

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