Presentation Currency	1.000 TL
Nature of Financial Statements	Consolidated

			Dipnot Referansı Footnote Reference	Cari Dönem 31.12.2020 Current Period 31.12.2020			Önceki Dönem 31.12.2019 Previous Period 31.12.2019
				TP TC	YP FC	Toplam Total	TP TC	YP FC	Toplam Total
kap-fr_StatementOfFinancialPositionTFRSNineImpairementModelAppliedLineItems|		Bilanço (Finansal Durum Tablosu) (TFRS 9'a Göre Karşılık Ayrılmış) Balance Sheet (Statement of Financial Position) (TFRS 9 Impairment Model Applied)
ifrs-full_AssetsAbstract|http://www.mkk.com.tr/2015/role/standartCapitalsLabel		VARLIKLAR ASSETS
kap-fr_FinancialAssetsExcludingFinancialAssetsAtAmortisedCost|http://www.mkk.com.tr/2015/role/standartCapitalsLabel		FİNANSAL VARLIKLAR (Net) FINANCIAL ASSETS (Net)		64.303	48	64.351	80.533	155	80.688
ifrs-full_CashAndCashEquivalents|		Nakit ve Nakit Benzerleri Cash and cash equivalents		62.175	48	62.223	80.533	155	80.688
kap-fr_CashAndCashBalancesAtCentralBanks|http://www.xbrl.org/2003/role/terseLabel		Nakit Değerler ve Merkez Bankası Cash and Cash Balances at Central Bank			2	2		8	8
kap-fr_Banks|		Bankalar Banks		62.184	46	62.230	80.537	147	80.684
kap-fr_ReceivablesFromMoneyMarkets|		Para Piyasalarından Alacaklar Receivables From Money Markets							0
kap-fr_AllowanceForExpectedCreditLossesForCashAndCashEquivalents|http://www.xbrl.org/2009/role/negatedLabel		Beklenen Zarar Karşılıkları ( - ) Allowance for Expected Losses ( - )		-9		-9	-4		-4
ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLoss|		Gerçeğe Uygun Değer Farkı Kâr Zarara Yansıtılan Finansal Varlıklar Financial assets at fair value through profit or loss
kap-fr_PublicSectorDebtSecuritiesAtFairValueThroughProfitOrLoss|http://www.xbrl.org/2003/role/terseLabel		Devlet Borçlanma Senetleri Public Debt Securities
kap-fr_EquityInstrumentsAtFairValueThroughProfitOrLoss|http://www.xbrl.org/2003/role/terseLabel		Sermayede Payı Temsil Eden Menkul Değerler Equity instruments
kap-fr_OtherFinancialAssetsAtFairValueThroughProfitOrLoss|http://www.xbrl.org/2003/role/terseLabel		Diğer Finansal Varlıklar Other Financial Assets
ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncome|http://www.xbrl.org/2003/role/terseLabel		Gerçeğe Uygun Değer Farkı Diğer Kapsamlı Gelire Yansıtılan Finansal Varlıklar Financial Assets at Fair Value Through Other Comprehensive Income
kap-fr_PublicSectorDebtSecuritiesAtFairValueThroughOtherComprehensiveIncome|http://www.xbrl.org/2003/role/terseLabel		Devlet Borçlanma Senetleri Public Debt Securities
kap-fr_EquityInstrumentsAtFairValueThroughOtherComprehensiveIncome|http://www.xbrl.org/2003/role/terseLabel		Sermayede Payı Temsil Eden Menkul Değerler Equity instruments
kap-fr_OtherFinancialAssetsAtFairValueThroughOtherComprehensiveIncome|http://www.xbrl.org/2003/role/terseLabel		Diğer Finansal Varlıklar Other Financial Assets
ifrs-full_DerivativeFinancialAssets|		Türev Finansal Varlıklar Derivative financial assets		2.128		2.128
kap-fr_DerivativeFinancialAssetsAtFairValueThroughProfitOrLoss|		Türev Finansal Varlıkların Gerçeğe Uygun Değer Farkı Kar Zarara Yansıtılan Kısmı Derivative Financial Assets At Fair Value Through Profit Or Loss		330		330
kap-fr_DerivativeFinancialAssetsAtFairValueThroughOtherComprehensiveIncome|		Türev Finansal Varlıkların Gerçeğe Uygun Değer Farkı Diğer Kapsamlı Gelire Yansıtılan Kısmı Derivative Financial Assets At Fair Value Through Other Comprehensive Income		1.798		1.798
ifrs-full_FinancialAssetsAtAmortisedCost|http://www.xbrl.org/2009/role/netLabel		İTFA EDİLMİŞ MALİYETİ İLE ÖLÇÜLEN FİNANSAL VARLIKLAR (Net) FINANCIAL ASSETS AT AMORTISED COST (Net)		1.215.257		1.215.257	1.282.479		1.282.479
kap-fr_Loans|		Krediler Loans		1.278.698		1.278.698	1.330.168		1.330.168
kap-fr_ReceivablesFromLeasingTransactions|		Kiralama İşlemlerinden Alacaklar Receivables From Leasing Transactions
kap-fr_FactoringReceivables|		Faktoring Alacakları Factoring Receivables
kap-fr_FinancialAssetsMeasuredAtAmortisedCost|http://www.xbrl.org/2003/role/terseLabel		İtfa Edilmiş Maliyeti ile Ölçülen Diğer Finansal Varlıklar Other Financial Assets Measured at Amortised Cost
kap-fr_PublicSectorDebtSecuritiesMeasuredAtAmortisedCost|http://www.xbrl.org/2003/role/terseLabel		Devlet Borçlanma Senetleri Public Debt Securities
kap-fr_OtherFinancialAssetsMeasuredAtAmortisedCost|http://www.xbrl.org/2003/role/terseLabel		Diğer Finansal Varlıklar Other Financial Assets
kap-fr_AllowanceForExpectedCreditLosses|http://www.xbrl.org/2009/role/negatedLabel		Beklenen Zarar Karşılıkları (-) Allowance for Expected Credit Losses (-)		-63.441		-63.441	-47.689		-47.689
kap-fr_NonCurrentAssetsClassifiedAsHeldForSaleAndDiscontinuedOperations|http://www.xbrl.org/2009/role/netLabel		SATIŞ AMAÇLI ELDE TUTULAN VE DURDURULAN FAALİYETLERE İLİŞKİN DURAN VARLIKLAR (Net) NON-CURRENT ASSETS OR DISPOSAL GROUPS CLASSIFIED AS HELD FOR SALE FROM DISCONTINUED OPERATIONS (Net)		8.114		8.114	11.966		11.966
kap-fr_NonCurrentAssetsClassifiedAsHeldForSale|http://www.xbrl.org/2003/role/terseLabel		Satış Amaçlı Held for Sale		8.114		8.114	11.966		11.966
kap-fr_NonCurrentAssetsFromDiscontinuedOperations|http://www.xbrl.org/2003/role/terseLabel		Durdurulan Faaliyetlere İlişkin Non-Current Assets From Discontinued Operations
ifrs-full_InvestmentsInSubsidiariesJointVenturesAndAssociates|http://www.mkk.com.tr/2015/role/standartCapitalsLabel		ORTAKLIK YATIRIMLARI INVESTMENTS IN ASSOCIATES, SUBSIDIARIES AND JOINT VENTURES				0
ifrs-full_InvestmentsInAssociates|http://www.mkk.com.tr/2015/role/tersenetLabel		İştirakler (Net) Investments in Associates (Net)
kap-fr_AssociatesAccountedforUsingEquityMethod|http://www.xbrl.org/2003/role/terseLabel		Özkaynak Yöntemine Göre Değerlenenler Associates Accounted for Using Equity Method
kap-fr_UnconsolidatedAssociatesAccountedForUsingEquityMethod|		Konsolide Edilmeyenler Unconsolidated Associates
ifrs-full_InvestmentsInSubsidiaries|http://www.mkk.com.tr/2015/role/tersenetLabel		Bağlı Ortaklıklar (Net) Investments in Subsidiaries (Net)
kap-fr_UnconsolidatedFinancialSubsidiaries|		Konsolide Edilmeyen Mali Ortaklıklar Unconsolidated Financial Subsidiaries
kap-fr_UnconsolidatedNonfinancialSubsidiaries|		Konsolide Edilmeyen Mali Olmayan Ortaklıklar Unconsolidated Non-Financial Subsidiaries
kap-fr_JointlyControledPartnershipsJointVentures|http://www.mkk.com.tr/2015/role/tersenetLabel		Birlikte Kontrol Edilen Ortaklıklar (İş Ortaklıkları) (Net) Jointly Controlled Partnerships (JointVentures) (Net)
kap-fr_JointlyControlledPartnershipsAccountedforUsingEquityMethod|http://www.xbrl.org/2003/role/verboseLabel		Özkaynak Yöntemine Göre Değerlenenler Jointly Controlled Partnerships Accounted for Using Equity Method
kap-fr_UnconsolidatedJointlyControlledPartnerships|http://www.xbrl.org/2003/role/verboseLabel		Konsolide Edilmeyenler Unconsolidated Jointly Controlled Partnerships
kap-fr_TangibleAssets|http://www.xbrl.org/2009/role/netLabel		MADDİ DURAN VARLIKLAR (Net) TANGIBLE ASSETS (Net)		7.246		7.246	9.459		9.459
ifrs-full_IntangibleAssetsAndGoodwill|http://www.xbrl.org/2009/role/netLabel		MADDİ OLMAYAN DURAN VARLIKLAR (Net) INTANGIBLE ASSETS AND GOODWILL (Net)		11.500		11.500	11.817		11.817
ifrs-full_Goodwill|		Şerefiye Goodwill
ifrs-full_IntangibleAssetsOtherThanGoodwill|http://www.xbrl.org/2003/role/terseLabel		Diğer Other		11.500		11.500	11.817		11.817
ifrs-full_InvestmentProperty|http://www.xbrl.org/2009/role/netLabel		YATIRIM AMAÇLI GAYRİMENKULLER (Net) INVESTMENT PROPERTY (Net)				0
ifrs-full_CurrentTaxAssets|http://www.mkk.com.tr/2015/role/standartCapitalsLabel		CARİ VERGİ VARLIĞI CURRENT TAX ASSETS				0
ifrs-full_DeferredTaxAssets|http://www.mkk.com.tr/2015/role/standartCapitalsLabel		ERTELENMİŞ VERGİ VARLIĞI DEFERRED TAX ASSET				0
ifrs-full_OtherAssets|http://www.xbrl.org/2009/role/netLabel		DİĞER AKTİFLER (Net) OTHER ASSETS (Net)		25.258	648	25.906	23.169	466	23.635
ifrs-full_Assets|http://www.mkk.com.tr/2015/role/terseTotalLabel		VARLIKLAR TOPLAMI TOTAL ASSETS		1.331.678	696	1.332.374	1.419.423	621	1.420.044
ifrs-full_EquityAndLiabilitiesAbstract|http://www.mkk.com.tr/2015/role/capslockLabel		YÜKÜMLÜLÜKLER LIABILITY AND EQUITY ITEMS
kap-fr_Deposits|http://www.mkk.com.tr/2015/role/standartCapitalsLabel		MEVDUAT DEPOSITS				0
ifrs-full_LoansReceived|http://www.mkk.com.tr/2015/role/standartCapitalsLabel		ALINAN KREDİLER LOANS RECEIVED		451.007		451.007	459.472		459.472
kap-fr_MoneyMarketFunds|http://www.mkk.com.tr/2015/role/standartCapitalsLabel		PARA PİYASALARINA BORÇLAR MONEY MARKET FUNDS				0
kap-fr_MarketableSecuritiesIssued|http://www.xbrl.org/2009/role/netLabel		İHRAÇ EDİLEN MENKUL KIYMETLER (Net) MARKETABLE SECURITIES (Net)		175.460		175.460	279.081		279.081
kap-fr_BillsIssued|http://www.xbrl.org/2003/role/terseLabel		Bonolar Bills
kap-fr_AssetBackedSecuritiesIssued|http://www.xbrl.org/2003/role/terseLabel		Varlığa Dayalı Menkul Kıymetler Asset-backed Securities
ifrs-full_BondsIssued|http://www.xbrl.org/2003/role/verboseLabel		Tahviller Bonds		175.460		175.460	279.081		279.081
kap-fr_Funds|		FONLAR FUNDS				0
kap-fr_BorrowerFunds|http://www.xbrl.org/2003/role/terseLabel		Müstakrizlerin Fonları Borrower funds
kap-fr_OtherFunds|http://www.xbrl.org/2003/role/terseLabel		Diğer Other
kap-fr_FinancialLiabilitieAtFairValueThroughProfitOrLoss|http://www.mkk.com.tr/2015/role/standartCapitalsLabel		GERÇEĞE UYGUN DEĞER FARKI KAR ZARARA YANSITILAN FİNANSAL YÜKÜMLÜLÜKLER FINANCIAL LIABILITIES AT FAIR VALUE THROUGH PROFIT OR LOSS				0
kap-fr_DerivativeFinancialLiabilities|http://www.mkk.com.tr/2015/role/standartCapitalsLabel		TÜREV FİNANSAL YÜKÜMLÜLÜKLER DERIVATIVE FINANCIAL LIABILITIES				0
kap-fr_DerivativeFinancialLiabilitiesAtFairValueThroughProfitOrLoss|		Türev Finansal Yükümlülüklerin Gerçeğe Uygun Değer Farkı Kar Zarara Yansıtılan Kısmı Derivative Financial Liabilities At Fair Value Through Profit Or Loss
kap-fr_DerivativeFinancialLiabilitiesAtFairValueThroughOtherComprehensiveIncome|		Türev Finansal Yükümlülüklerin Gerçeğe Uygun Değer Farkı Diğer Kapsamlı Gelire Yansıtılan Kısmı Derivative Financial Liabilities At Fair Value Through Other Comprehensive Income
kap-fr_FactoringPayables|http://www.mkk.com.tr/2015/role/capslockLabel		FAKTORİNG YÜKÜMLÜLÜKLERİ FACTORING PAYABLES				0
kap-fr_LeasePayables|http://www.mkk.com.tr/2015/role/tersenetLabel		KİRALAMA İŞLEMLERİNDEN YÜKÜMLÜLÜKLER (Net) LEASE PAYABLES (Net)		3.835		3.835	6.733		6.733
ifrs-full_Provisions|http://www.mkk.com.tr/2015/role/standartCapitalsLabel		KARŞILIKLAR PROVISIONS		8.768		8.768	4.690		4.690
kap-fr_ProvisionForRestructuring|		Yeniden Yapılanma Karşılığı Provision for Restructuring
kap-fr_ReservesForEmployeeBenefits|		Çalışan Hakları Karşılığı Reserves for Employee Benefits		8.768		8.768	4.690		4.690
kap-fr_InsuranceTechnicalReserves|http://www.xbrl.org/2009/role/netLabel		Sigorta Teknik Karşılıkları (Net) Insurance Technical Reserves (Net)
ifrs-full_OtherProvisions|		Diğer Karşılıklar Other provisions
ifrs-full_CurrentTaxLiabilities|http://www.mkk.com.tr/2015/role/standartCapitalsLabel		CARİ VERGİ BORCU CURRENT TAX LIABILITIES		3.273		3.273	3.646		3.646
ifrs-full_DeferredTaxLiabilities|http://www.mkk.com.tr/2015/role/standartCapitalsLabel		ERTELENMİŞ VERGİ BORCU DEFERRED TAX LIABILITY		94.153		94.153	89.640		89.640
kap-fr_LiabilitiesRelatedToAssetsHeldForSaleAndDiscontinuedOperations|http://www.xbrl.org/2009/role/netLabel		SATIŞ AMAÇLI ELDE TUTULAN VE DURDURULAN FAALİYETLERE İLİŞKİN DURAN VARLIK BORÇLARI (Net) LIABILITIES RELATED TO ASSETS HELD FOR SALE AND DISCONTINUED OPERATIONS (Net)				0
kap-fr_LiabilitiesRelatedToAssetsHeldForSale|http://www.xbrl.org/2003/role/terseLabel		Satış Amaçlı Held For Sale
kap-fr_LiabilitiesRelatedToDiscontinuedOperations|http://www.xbrl.org/2003/role/terseLabel		Durdurulan Faaliyetlere İlişkin Related to Discontinued Operations
kap-fr_SubordinatedDebt|http://www.mkk.com.tr/2015/role/capslockLabel		SERMAYE BENZERİ BORÇLANMA ARAÇLARI SUBORDINATED DEBT				0
kap-fr_SubordinatedLoans|http://www.xbrl.org/2003/role/terseLabel		Krediler Loans
kap-fr_SubordinatedOtherDebtInstruments|http://www.xbrl.org/2003/role/terseLabel		Diğer Borçlanma Araçları Other Debt Instruments
ifrs-full_OtherLiabilities|http://www.mkk.com.tr/2015/role/standartCapitalsLabel		DİĞER YÜKÜMLÜLÜKLER OTHER LIABILITIES		35.054	250	35.304	35.485	838	36.323
ifrs-full_Equity|http://www.mkk.com.tr/2015/role/standartCapitalsLabel		ÖZKAYNAKLAR EQUITY		560.574		560.574	540.459		540.459
ifrs-full_IssuedCapital|		Ödenmiş Sermaye Issued capital		185.000		185.000	185.000		185.000
kap-fr_CapitalReserves|		Sermaye Yedekleri Capital Reserves		17.099		17.099	17.099		17.099
ifrs-full_SharePremium|http://www.xbrl.org/2003/role/terseLabel		Hisse Senedi İhraç Primleri Equity Share Premiums		17.099		17.099	17.099		17.099
kap-fr_ShareCancellationProfits|		Hisse Senedi İptal Karları Share Cancellation Profits
kap-fr_OtherCapitalReserves|		Diğer Sermaye Yedekleri Other Capital Reserves
kap-fr_OtherAccumulatedComprehensiveIncomeThatWillNotBeReclassifiedInProfitOrLoss|http://www.xbrl.org/2003/role/verboseLabel		Kâr veya Zararda Yeniden Sınıflandırılmayacak Birikmiş Diğer Kapsamlı Gelirler veya Giderler Other Accumulated Comprehensive Income That Will Not Be Reclassified In Profit Or Loss				0
kap-fr_OtherAccumulatedComprehensiveIncomeThatWillBeReclassifiedInProfitOrLoss|http://www.xbrl.org/2003/role/verboseLabel		Kâr veya Zararda Yeniden Sınıflandırılacak Birikmiş Diğer Kapsamlı Gelirler veya Giderler Other Accumulated Comprehensive Income That Will Be Reclassified In Profit Or Loss		1.439		1.439
kap-fr_ProfitReserves|		Kar Yedekleri Profit Reserves		14.340		14.340	14.340		14.340
kap-fr_LegalReserves|		Yasal Yedekler Legal Reserves		14.340		14.340	14.340		14.340
kap-fr_StatutoryReserves|		Statü Yedekleri Statutory Reserves
kap-fr_ExtraordinaryReserves|		Olağanüstü Yedekler Extraordinary Reserves
kap-fr_OtherProfitReserves|		Diğer Kar Yedekleri Other Profit Reserves
kap-fr_ProfitOrLossClassifiedInEquity|http://www.xbrl.org/2003/role/terseLabel		Kar veya Zarar Profit or Loss		342.696		342.696	324.020		324.020
kap-fr_PriorYearsProfitsOrLosses|http://www.xbrl.org/2003/role/verboseLabel		Geçmiş Yıllar Kar veya Zararı Prior Years' Profit or Loss		324.020		324.020	282.100		282.100
kap-fr_CurrentPeriodNetProfitOrLossClassifiedInEquity|http://www.mkk.com.tr/2015/role/tersenetLabel		Dönem Net Kâr veya Zararı Current Period Net Profit Or Loss		18.676		18.676	41.920		41.920
ifrs-full_NoncontrollingInterests|http://www.xbrl.org/2003/role/terseLabel		Azınlık Payları Non-controlling Interests
ifrs-full_EquityAndLiabilities|http://www.xbrl.org/2003/role/totalLabel		YÜKÜMLÜLÜKLER TOPLAMI Total equity and liabilities		1.332.124	250	1.332.374	1.419.206	838	1.420.044

Presentation Currency	1.000 TL
Nature of Financial Statements	Consolidated

			Dipnot Referansı Footnote Reference	Cari Dönem 31.12.2020 Current Period 31.12.2020			Önceki Dönem 31.12.2019 Previous Period 31.12.2019
				TP TC	YP FC	Toplam Total	TP TC	YP FC	Toplam Total
kap-fr_OffBalanceSheetItemsTFRSNineImpairementModelAppliedAbstract|		Nazım Hesaplar (TFRS 9'a Göre Karşılık Ayrılmış) Off-Balance Sheet Items (TFRS 9 Impairment Model Applied)
kap-fr_OffBalanceSheetCommitments|http://www.mkk.com.tr/2015/role/standartCapitalsLabel		BİLANÇO DIŞI YÜKÜMLÜLÜKLER OFF-BALANCE SHEET COMMITMENTS		283.041		283.041	56.141		56.141
kap-fr_GuarantiesAndWarranties|http://www.mkk.com.tr/2015/role/standartCapitalsLabel		GARANTİ VE KEFALETLER GUARANTIES AND WARRANTIES				0
kap-fr_LettersOfGuarantee|		Teminat Mektupları Letters of Guarantee
kap-fr_GuaranteesSubjectToStateTenderLaw|http://www.xbrl.org/2003/role/terseLabel		Devlet İhale Kanunu Kapsamına Girenler Guarantees Subject to State Tender Law
kap-fr_GuaranteesGivenForForeignTradeOperations|http://www.xbrl.org/2003/role/terseLabel		Dış Ticaret İşlemleri Dolayısıyla Verilenler Guarantees Given for Foreign Trade Operations
kap-fr_OtherLettersOfGuarantee|		Diğer Teminat Mektupları Other Letters of Guarantee
kap-fr_BankAcceptances|		Banka Kredileri Bank Acceptances
kap-fr_ImportLetterOfAcceptance|		İthalat Kabul Kredileri Import Letter of Acceptance
kap-fr_OtherBankAcceptances|		Diğer Banka Kabulleri Other Bank Acceptances
kap-fr_LettersOfCredit|		Akreditifler Letters of Credit
kap-fr_DocumentaryLettersOfCredit|		Belgeli Akreditifler Documentary Letters of Credit
kap-fr_OtherLettersOfCredit|		Diğer Akreditifler Other Letters of Credit
kap-fr_PrefinancingGivenAsGuarantee|		Garanti Verilen Prefinansmanlar Prefinancing Given as Guarantee
kap-fr_Endorsements|		Cirolar Endorsements
kap-fr_EndorsementsToTheCentralBankOfTurkey|		T.C. Merkez Bankasına Cirolar Endorsements to the Central Bank of Turkey
kap-fr_OtherEndorsements|		Diğer Cirolar Other Endorsements
kap-fr_PurchaseGuaranteesForSecuritiesIssued|http://www.xbrl.org/2003/role/terseLabel		Menkul Kıymet İhraçlarında Satın Alma Garantilerimizden Purchase Guarantees for Securities Issued
kap-fr_FactoringGuarantees|http://www.xbrl.org/2003/role/terseLabel		Faktoring Garantilerinden Factoring Guarantees
kap-fr_OtherGuarantees|http://www.xbrl.org/2003/role/terseLabel		Diğer Garantilerimizden Other Guarantees
kap-fr_OtherCollaterals|http://www.xbrl.org/2003/role/terseLabel		Diğer Kefaletlerimizden Other Collaterals
kap-fr_Commitments|http://www.mkk.com.tr/2015/role/standartCapitalsLabel		TAAHHÜTLER COMMITMENTS		283.041		283.041	56.141		56.141
kap-fr_IrrevocableCommitments|		Cayılamaz Taahhütler Irrevocable Commitments		283.041		283.041	56.141		56.141
kap-fr_ForwardAssetPurchaseCommitments|		Vadeli Aktif Değerler Alım Satım Taahhütleri Forward Asset Purchase Commitments
kap-fr_TimeDepositPurchaseAndSalesCommitments|		Vadeli Mevduat Alım Satım Taahhütleri Time Deposit Purchase and Sales Commitments
kap-fr_ShareCapitalCommitmentsToAssociatesAndSubsidiaries|		İştirak ve Bağlı Ortaklık Sermayesine İştirak Taahhütleri Share Capital Commitments to Associates and Subsidiaries
kap-fr_LoanGrantingCommitments|		Kullandırma Garantili Kredi Tahsis Taahhütleri Loan Granting Commitments
kap-fr_SecuritiesIssueBrokerageCommitments|		Menkul Kıymet İhracına Aracılık Taahhütleri Securities Issue Brokerage Commitments
kap-fr_CommitmentsForReserveRequirements|		Zorunlu Karşılık Ödeme Taahhüdü Commitments for Reserve Requirements
kap-fr_CommitmentsForChequePayments|		Çekler İçin Ödeme Taahhütleri Commitments for Cheque Payments
kap-fr_TaxAndFundLiabilitiesArisedFromExportCommitments|		İhracat Taahhütlerinden Kaynaklanan Vergi ve Fon Yükümlülükleri Tax and Fund Liabilities Arised from Export Commitments
kap-fr_CommitmentsForCreditCardLimits|		Kredi Kartı Harcama Limit Taahhütleri Commitments for Credit Card Limits
kap-fr_CommitmentsForCreditCardsAndBankingServicesPromotions|		Kredi Kartları ve Bankacılık Hizmetlerine İlişkin Promosyon Uygulama Taahhütleri Commitments for Credit Cards and Banking Services Promotions
kap-fr_ReceivablesFromShortSaleCommitmentsOfMarketableSecurities|		Açığa Menkul Kıymet Satış Taahhütlerinden Alacaklar Receivables from Short Sale Commitments of Marketable Securities
kap-fr_PayablesForShortSaleCommitmentsOfMarketableSecurities|		Açığa Menkul Kıymet Satış Taahhütlerinden Borçlar Payables for Short Sale Commitments of Marketable Securities
kap-fr_OtherIrrevocableCommitments|		Diğer Cayılamaz Taahhütler Other Irrevocable Commitments		283.041		283.041	56.141		56.141
kap-fr_RevocableCommitments|		Cayılabilir Taahhütler Revocable Commitments
kap-fr_RevocableLoanGrantingCommitments|		Cayılabilir Kredi Tahsis Taahhütleri Revocable Loan Granting Commitments
kap-fr_OtherRevocableCommitments|		Diğer Cayılabilir Taahhütler Other Revocable Commitments
kap-fr_DerivativeFinancialInstruments|http://www.mkk.com.tr/2015/role/standartCapitalsLabel		TÜREV FİNANSAL ARAÇLAR DERIVATIVE FINANCIAL INSTRUMENTS		0		0
kap-fr_DerivativeFinancialInstrumentsHeldForHedging|		Riskten Korunma Amaçlı Türev Finansal Araçlar Derivative Financial Instruments Held For Hedging
kap-fr_FairValueHedges|		Gerçeğe Uygun Değer Riskinden Korunma Amaçlı İşlemler Fair Value Hedges
kap-fr_CashFlowHedges|		Nakit Akış Riskinden Korunma Amaçlı İşlemler Cash Flow Hedges
kap-fr_HedgesOfNetInvestmentInForeignOperations|		Yurtdışındaki Net Yatırım Riskinden Korunma Amaçlı İşlemler Hedges of Net Investment in Foreign Operations
kap-fr_DerivativeFinancialInstrumentsHeldForTrading|http://www.xbrl.org/2003/role/terseLabel		Alım Satım Amaçlı İşlemler Derivative Financial Instruments Held For Trading		0		0
kap-fr_ForwardForeignCurrencyBuyOrSellTransactions|		Vadeli Döviz Alım-Satım İşlemleri Forward Foreign Currency Buy or Sell Transactions
kap-fr_ForwardForeignCurrencyBuyingTransactions|		Vadeli Döviz Alım İşlemleri Forward Foreign Currency Buying Transactions
kap-fr_ForwardForeignCurrencySaleTransactions|		Vadeli Döviz Satım İşlemleri Forward Foreign Currency Sale Transactions
kap-fr_CurrencyAndInterestRateSwaps|		Para ve Faiz Swap İşlemleri Currency and Interest Rate Swaps		0		0
kap-fr_CurrencySwapBuyTransactions|		Swap Para Alım İşlemleri Currency Swap Buy Transactions		250.422		250.422
kap-fr_CurrencySwapSellTransaction|		Swap Para Satım İşlemleri Currency Swap Sell Transactions		-250.422		-250.422
kap-fr_InterestRateSwapBuyTransactions|		Swap Faiz Alım İşlemleri Interest Rate Swap Buy Transactions
kap-fr_InterestRateSwapSellTransactions|		Swap Faiz Satım İşlemleri Interest Rate Swap Sell Transactions
kap-fr_CurrencyInterestRateAndSecuritiesOptions|		Para, Faiz ve Menkul Değer Opsiyonları Currency, Interest Rate and Securities Options
kap-fr_CurrencyOptionsBuyTransactions|		Para Alım Opsiyonları Currency Options Buy Transactions
kap-fr_CurrencyOptionsSellTransactions|		Para Satım Opsiyonları Currency Options Sell Transactions
kap-fr_InterestRateOptionsBuyTransactions|		Faiz Alım Opsiyonları Interest Rate Options Buy Transactions
kap-fr_InterestRateOptionsSellTransactions|		Faiz Satım Opsiyonları Interest Rate Options Sell Transactions
kap-fr_SecuritiesOptionsBuyTransactions|		Menkul Değerler Alım Opsiyonları Securities Options Buy Transactions
kap-fr_SecuritiesOptionsSellTransactions|		Menkul Değerler Satım Opsiyonları Securities Options Sell Transactions
kap-fr_CurrencyFutures|		Futures Para İşlemleri Currency Futures
kap-fr_CurrencyFuturesBuyTransactions|		Futures Para Alım İşlemleri Currency Futures Buy Transactions
kap-fr_CurrencyFuturesSellTransactions|		Futures Para Satım İşlemleri Currency Futures Sell Transactions
kap-fr_InterestRateFuturesBuyAndSellTransactions|		Futures Faiz Alım-Satım İşlemleri Interest Rate Futures Buy and Sell Transactions
kap-fr_InterestRateFuturesBuyTransactions|		Futures Faiz Alım İşlemleri Interest Rate Futures Buy Transactions
kap-fr_InterestRateFuturesSellTransactions|		Futures Faiz Satım İşlemleri Interest Rate Futures Sell Transactions
kap-fr_OtherDerivativeFinancialInstrumentsHeldForTrading|http://www.xbrl.org/2003/role/terseLabel		Diğer Other
kap-fr_CustodyAndPledgesReceived|http://www.mkk.com.tr/2015/role/standartCapitalsLabel		EMANET VE REHİNLİ KIYMETLER CUSTODY AND PLEDGES RECEIVED		165.048		165.048
kap-fr_ItemsHeldInCustody|http://www.mkk.com.tr/2015/role/standartCapitalsLabel		EMANET KIYMETLER ITEMS HELD IN CUSTODY				0
kap-fr_CustomerFundAndPortfolioBalances|		Müşteri Fon ve Portföy Mevcutları Customer Fund and Portfolio Balances
kap-fr_SecuritiesHeldinCustody|		Emanete Alınan Menkul Değerler Securities Held in Custody
kap-fr_ChequesReceivedForCollection|		Tahsile Alınan Çekler Cheques Received for Collection
kap-fr_CommercialNotesReceivedForCollection|		Tahsile Alınan Ticari Senetler Commercial Notes Received for Collection
kap-fr_OtherAssetsReceivedForCollection|		Tahsile Alınan Diğer Kıymetler Other Assets Received for Collection
kap-fr_SecuritiesThatWillBeIntermediatedToIssue|		İhracına Aracı Olunan Kıymetler Securities that will be Intermediated to Issue
kap-fr_OtherItemsUnderCustody|		Diğer Emanet Kıymetler Other Items Under Custody
kap-fr_Custodians|		Emanet Kıymet Alanlar Custodians
kap-fr_PledgedItems|http://www.mkk.com.tr/2015/role/standartCapitalsLabel		REHİNLİ KIYMETLER PLEDGED ITEMS		165.048		165.048
kap-fr_Securities|		Menkul Kıymetler Securities
kap-fr_GuaranteeNotes|		Teminat Senetleri Guarantee Notes
kap-fr_Commodity|		Emtia Commodity
kap-fr_Warrant|		Varant Warrant
kap-fr_RealEstate|		Gayrimenkul Real Estate		165.048		165.048
kap-fr_OtherPledgedItems|		Diğer Rehinli Kıymetler Other Pledged Items
kap-fr_DepositoriesReceivingPledgedItems|		Rehinli Kıymet Alanlar Depositories Receiving Pledged Items
kap-fr_AcceptedBillGuarantiesAndWarrantees|http://www.mkk.com.tr/2015/role/standartCapitalsLabel		KABUL EDİLEN AVALLER VE KEFALETLER ACCEPTED BILL, GUARANTIES AND WARRANTEES				0
kap-fr_OffBalanceSheetAccounts|http://www.xbrl.org/2003/role/totalLabel		BİLANÇO DIŞI HESAPLAR TOPLAMI TOTAL OFF-BALANCE SHEET ACCOUNTS		448.089		448.089	56.141		56.141

Presentation Currency	1.000 TL
Nature of Financial Statements	Consolidated

			Dipnot Referansı Footnote Reference	Cari Dönem 01.01.2020 - 31.12.2020 Current Period 01.01.2020 - 31.12.2020	Önceki Dönem 01.01.2019 - 31.12.2019 Previous Period 01.01.2019 - 31.12.2019
kap-fr_StatementOfProfitOrLossTFRSNineImpairementModelAppliedAbstract|		Kar veya Zarar Tablosu (TFRS 9'a Göre Karşılık Ayrılmış) Statement of Profit or Loss (TFRS 9 Impairment Model Applied)
kap-fr_IncomeAndExpenseItemsAbstract|		GELİR VE GİDER KALEMLERİ INCOME AND EXPENSE ITEMS
kap-fr_InterestIncome|http://www.mkk.com.tr/2015/role/standartCapitalsLabel		FAİZ GELİRLERİ INTEREST INCOME		302.181	404.702
kap-fr_InterestIncomeOnLoans|		Kredilerden Alınan Faizler Interest Income on Loans		293.996	394.968
kap-fr_InterestIncomeOnReserveDeposits|		Zorunlu Karşılıklardan Alınan Faizler Interest Income on Reserve Deposits
kap-fr_InterestIncomeOnBanks|		Bankalardan Alınan Faizler Interest Income on Banks		8.185	9.734
kap-fr_InterestIncomeOnMoneyMarketPlacements|		Para Piyasası İşlemlerinden Alınan Faizler Interest Income on Money Market Placements
kap-fr_InterestIncomeOnMarketableSecuritiesPortfolio|		Menkul Değerlerden Alınan Faizler Interest Income on Marketable Securities Portfolio
kap-fr_InterestIncomeOnFinancialAssetsAtFairValueThroughProfitAndLoss|http://www.xbrl.org/2003/role/terseLabel		Gerçeğe Uygun Değer Farkı Kar Zarara Yansıtılanlar Financial Assets At Fair Value Through Profit Loss
kap-fr_InterestIncomeOnFinancialAssetsAtFairValueThroughOtherComprehensiveIncome|http://www.xbrl.org/2003/role/terseLabel		Gerçeğe Uygun Değer Farkı Diğer Kapsamlı Gelire Yansıtılanlar Financial Assets At Fair Value Through Other Comprehensive Income
kap-fr_InterestIncomeOnFinancialAssetsMeasuredAtAmortisedCost|http://www.xbrl.org/2003/role/terseLabel		İtfa Edilmiş Maliyeti İle Ölçülenler Financial Assets Measured at Amortised Cost
kap-fr_FinanceLeaseIncome|http://www.xbrl.org/2003/role/terseLabel		Finansal Kiralama Faiz Gelirleri Finance Leasing Interest Income
kap-fr_OtherInterestIncome|		Diğer Faiz Gelirleri Other Interest Income
kap-fr_InterestExpenses|http://www.mkk.com.tr/2015/role/negatedVerboseLabel		FAİZ GİDERLERİ (-) INTEREST EXPENSES (-)		-120.746	-174.599
kap-fr_InterestExpensesOnDeposits|http://www.xbrl.org/2009/role/negatedLabel		Mevduata Verilen Faizler Interest Expenses on Deposits
kap-fr_InterestExpensesOnFundsBorrowed|http://www.xbrl.org/2009/role/negatedLabel		Kullanılan Kredilere Verilen Faizler Interest Expenses on Funds Borrowed		-89.770	-122.407
kap-fr_InterestExpensesOnMoneyMarketFunds|http://www.xbrl.org/2009/role/negatedLabel		Para Piyasası İşlemlerine Verilen Faizler Interest Expenses on Money Market Funds
kap-fr_InterestExpensesOnSecuritiesIssued|http://www.xbrl.org/2009/role/negatedLabel		İhraç Edilen Menkul Kıymetlere Verilen Faizler Interest Expenses on Securities Issued		-30.976	-52.192
kap-fr_LeaseInterestExpenses|http://www.xbrl.org/2009/role/negatedLabel		Kiralama Faiz Giderleri Lease Interest Expenses
kap-fr_OtherInterestExpense|http://www.xbrl.org/2009/role/negatedLabel		Diğer Faiz Giderleri Other Interest Expense
kap-fr_InterestIncomeOrExpense|http://www.xbrl.org/2009/role/netLabel		NET FAİZ GELİRİ VEYA GİDERİ NET INTEREST INCOME OR EXPENSE		181.435	230.103
kap-fr_FeeAndCommissionIncomeOrExpenses|http://www.xbrl.org/2009/role/netLabel		NET ÜCRET VE KOMİSYON GELİRLERİ VEYA GİDERLERİ NET FEE AND COMMISSION INCOME OR EXPENSES		-12.827	-7.549
kap-fr_FeesAndCommissionsReceived|		Alınan Ücret ve Komisyonlar Fees and Commissions Received		0
kap-fr_FeesAndCommissionsReceivedFromNoncashLoans|http://www.xbrl.org/2003/role/terseLabel		Gayri Nakdi Kredilerden From Noncash Loans
kap-fr_OtherFeesAndCommissionsReceived|http://www.xbrl.org/2003/role/terseLabel		Diğer Other
kap-fr_FeesAndCommissionsPaid|http://www.xbrl.org/2009/role/negatedTerseLabel		Verilen Ücret ve Komisyonlar (-) Fees and Commissions Paid (-)		-12.827	-7.549
kap-fr_FeesAndCommissionsPaidForNoncashLoans|http://www.xbrl.org/2009/role/negatedTerseLabel		Gayri Nakdi Kredilere Paid for Noncash Loans		-3.153	-2.446
kap-fr_OtherFeesAndCommissionsPaid|http://www.xbrl.org/2009/role/negatedTerseLabel		Diğer Other		-9.674	-5.103
kap-fr_DividendIncome|http://www.mkk.com.tr/2015/role/standartCapitalsLabel		TEMETTÜ GELİRLERİ DIVIDEND INCOME		0
kap-fr_TradingIncomeOrLoss|http://www.xbrl.org/2009/role/netLabel		TİCARİ KAR VEYA ZARAR (Net) TRADING INCOME OR LOSS (Net)		225	-109
kap-fr_GainsOrLossesArisingFromCapitalMarketsTransactions|		Sermaye Piyasası İşlemleri Karı (Zararı) Gains (Losses) Arising from Capital Markets Transactions
kap-fr_GainsOrLossesArisingFromFinancialTransactions|		Türev Finansal İşlemlerden Kar (Zarar) Gains (Losses) Arising From Derivative Financial Transactions		330
kap-fr_ForeignExchangeGainsOrLosses|		Kambiyo İşlemleri Karı (Zararı) Foreign Exchange Gains or Losses		-105	-109
kap-fr_OtherOperatingIncome|http://www.mkk.com.tr/2015/role/standartCapitalsLabel		DİĞER FAALİYET GELİRLERİ OTHER OPERATING INCOME		10.534	8.772
kap-fr_GrossProfitLossFromOperatingActivitiesForBankingSector|http://www.mkk.com.tr/2015/role/standartCapitalsLabel		FAALİYET BRÜT KÂRI GROSS PROFIT FROM OPERATING ACTIVITIES		179.367	231.217
kap-fr_AllowanceExpensesForExpectedCreditLosses|http://www.mkk.com.tr/2015/role/negatedVerboseLabel		BEKLENEN ZARAR KARŞILIKLARI GİDERLERİ ( - ) ALLOWANCE EXPENSES FOR EXPECTED CREDIT LOSSES ( - )		-31.046	-11.606
kap-fr_OtherAllowanceExpenses|http://www.mkk.com.tr/2015/role/negatedVerboseLabel		DİĞER KARŞILIK GİDERLERİ ( - ) OTHER ALLOWANCE EXPENSES ( - )		0
kap-fr_PersonnelExpenses|http://www.xbrl.org/2009/role/negatedTerseLabel		PERSONEL GİDERLERİ (-) PERSONNEL EXPENSES (-)		-60.998	-57.383
kap-fr_OtherOperatingExpenses|http://www.xbrl.org/2009/role/negatedTerseLabel		DİĞER FAALİYET GİDERLERİ (-) OTHER OPERATING EXPENSES (-)		-64.493	-110.429
ifrs-full_ProfitLossFromOperatingActivities|http://www.xbrl.org/2009/role/netLabel		NET FAALİYET KARI (ZARARI) NET OPERATING INCOME (LOSS)		22.830	51.799
kap-fr_AmountInExcessRecordedAsGainAfterMerger|http://www.mkk.com.tr/2015/role/standartCapitalsLabel		BİRLEŞME İŞLEMİ SONRASINDA GELİR OLARAK KAYDEDİLEN FAZLALIK TUTARI AMOUNT IN EXCESS RECORDED AS GAIN AFTER MERGER		0
ifrs-full_ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod|http://www.xbrl.org/2003/role/terseLabel		ÖZKAYNAK YÖNTEMİ UYGULANAN ORTAKLIKLARDAN KAR (ZARAR) PROFIT (LOSS) FROM COMPANIES ACCOUNTED FOR USING EQUITY METHOD		0
ifrs-full_GainsLossesOnNetMonetaryPosition|http://www.xbrl.org/2003/role/terseLabel		NET PARASAL POZİSYON KARI (ZARARI) NET MONETARY POSITION GAIN (LOSS)		0
ifrs-full_ProfitLossBeforeTax|http://www.mkk.com.tr/2015/role/standartCapitalsLabel		SÜRDÜRÜLEN FAALİYETLER VERGİ ÖNCESİ KARI (ZARARI) PROFIT (LOSS) FROM CONTINUING OPERATIONS, BEFORE TAX		22.830	51.799
ifrs-full_IncomeTaxExpenseContinuingOperations|http://www.mkk.com.tr/2015/role/negatedVerboseLabel		SÜRDÜRÜLEN FAALİYETLER VERGİ KARŞILIĞI (+/-) TAX PROVISION FOR CONTINUING OPERATIONS (+/-)		0
kap-fr_CurrentPeriodTaxExpenseContinuingOperations|http://www.mkk.com.tr/2015/role/negatedVerboseLabel		Cari Vergi Karşılığı Current Tax Provision
kap-fr_ExpenseEffectOfDeferredTax|http://www.xbrl.org/2009/role/negatedLabel		Ertelenmiş Vergi Gider Etkisi Expense Effect of Deferred Tax
kap-fr_IncomeEffectOfDeferredTax|		Ertelenmiş Vergi Gelir Etkisi Income Effect of Deferred Tax
ifrs-full_ProfitLossFromContinuingOperations|http://www.xbrl.org/2009/role/netLabel		SÜRDÜRÜLEN FAALİYETLER DÖNEM NET KARI (ZARARI) NET PERIOD PROFIT (LOSS) FROM CONTINUING OPERATIONS		22.830	51.799
kap-fr_IncomeOnDiscontinuedOperations|http://www.mkk.com.tr/2015/role/standartCapitalsLabel		DURDURULAN FAALİYETLERDEN GELİRLER INCOME ON DISCONTINUED OPERATIONS		0
kap-fr_IncomeOnAssetsHeldForSale|		Satış Amaçlı Elde Tutulan Duran Varlık Gelirleri Income on Assets Held for Sale
kap-fr_GainOnSaleOfAssociatesSubsidiariesAndJointlyControlledEntities|		İştirak, Bağlı Ortaklık ve Birlikte Kontrol Edilen Ortaklıklar (İş Ort.) Satış Karları Gain on Sale of Associates, Subsidiaries and Jointly Controlled Entities (Joint Ventures)
kap-fr_OtherIncomeOnDiscontinuedOperations|		Diğer Durdurulan Faaliyet Gelirleri Other Income on Discontinued Operations
kap-fr_ExpensesOnDiscontinuedOperations|http://www.xbrl.org/2009/role/negatedTerseLabel		DURDURULAN FAALİYETLERDEN GİDERLER (-) EXPENSES ON DISCONTINUED OPERATIONS (-)		0
kap-fr_ExpensesOnAssetsHeldForSale|http://www.xbrl.org/2009/role/negatedLabel		Satış Amaçlı Elde Tutulan Duran Varlık Giderleri Expense on Assets Held for Sale
kap-fr_LossOnSaleOfAssociatesSubsidiariesAndJointlyControlledEntities|http://www.xbrl.org/2009/role/negatedLabel		İştirak, Bağlı Ortaklık ve Birlikte Kontrol Edilen Ortaklıklar (İş Ort.) Satış Zararları Loss on Sale of Associates, Subsidiaries and Jointly Controlled Entities (Joint Ventures)
kap-fr_OtherExpensesOnDiscontinuedOperations|http://www.xbrl.org/2009/role/negatedLabel		Diğer Durdurulan Faaliyet Giderleri Other Expenses on Discontinued Operations
kap-fr_ProfitOrLossOnDiscontinuedOperationsBeforeTax|http://www.mkk.com.tr/2015/role/standartCapitalsLabel		DURDURULAN FAALİYETLER VERGİ ÖNCESİ KARI (ZARARI) PROFIT (LOSS) ON DISCONTINUED OPERATIONS BEFORE TAX		0
kap-fr_IncomeTaxExpenseDiscontinuedOperations|http://www.xbrl.org/2009/role/negatedTerseLabel		DURDURULAN FAALİYETLER VERGİ KARŞILIĞI (+/-) TAX PROVISION FOR DISCONTINUED OPERATIONS (+/-)		-4.154	-9.879
kap-fr_CurrentPeriodTaxExpenseOrIncomeDiscontinuedOperations|http://www.xbrl.org/2009/role/negatedTerseLabel		Cari Vergi Karşılığı Current Tax Provision			-268
kap-fr_ExpenseEffectOfDeferredTaxDiscontinuedOperations|http://www.xbrl.org/2009/role/negatedTerseLabel		Ertelenmiş Vergi Gider Etkisi Expense Effect of Deferred Tax		-4.154	-9.611
kap-fr_IncomeEffectOfDeferredTaxDiscontinuedOperations|http://www.xbrl.org/2003/role/terseLabel		Ertelenmiş Vergi Gelir Etkisi Income Effect of Deferred Tax
ifrs-full_ProfitLossFromDiscontinuedOperations|http://www.xbrl.org/2009/role/netLabel		DURDURULAN FAALİYETLER DÖNEM NET KARI (ZARARI) NET PERIOD PROFIT/LOSS FROM DISCONTINUED OPERATIONS		-4.154	-9.879
ifrs-full_ProfitLoss|http://www.mkk.com.tr/2015/role/alternativeNetlLabel		DÖNEM NET KARI VEYA ZARARI NET PROFIT OR LOSS FOR THE PERIOD		18.676	41.920
ifrs-full_ProfitLossAttributableToOwnersOfParent|http://www.xbrl.org/2003/role/terseLabel		Grubun Karı (Zararı) Profit (Loss) Attributable to Group		18.676	41.920
ifrs-full_ProfitLossAttributableToNoncontrollingInterests|http://www.xbrl.org/2003/role/terseLabel		Azınlık Payları Karı (Zararı) Profit (loss), attributable to non-controlling interests		0
ifrs-full_EarningsPerShareAbstract|http://www.xbrl.org/2003/role/verboseLabel		Hisse Başına Kar (Zarar) Profit (loss) per share
ifrs-full_EarningsPerShareLineItems|http://www.xbrl.org/2003/role/verboseLabel		Hisse Başına Kar (Zarar) Profit (Loss) per Share
ifrs-full_BasicEarningsLossPerShare|http://www.xbrl.org/2003/role/verboseLabel		Hisse Başına Kar (Zarar) Profit (Loss) per Share

Presentation Currency	1.000 TL
Nature of Financial Statements	Consolidated

			Dipnot Referansı Footnote Reference	Cari Dönem 01.01.2020 - 31.12.2020 Current Period 01.01.2020 - 31.12.2020	Önceki Dönem 01.01.2019 - 31.12.2019 Previous Period 01.01.2019 - 31.12.2019
kap-fr_StatementOfProfitOrLossAndOtherComprehensiveIncomeTFRSNineImpairementModelAppliedAbstract|		Kar veya Zarar ve Diğer Kapsamlı Gelir Tablosu (TFRS 9'a Göre Karşılık Ayrılmış) Statement of Profit or Loss and Other Comprehensive Income (TFRS 9 Impairment Model Applied)
ifrs-full_ProfitLoss|http://www.mkk.com.tr/2015/role/standartCapitalsLabel		DÖNEM KARI (ZARARI) PROFIT (LOSS)		18.676	41.920
ifrs-full_OtherComprehensiveIncome|http://www.mkk.com.tr/2015/role/standartCapitalsLabel		DİĞER KAPSAMLI GELİRLER OTHER COMPREHENSIVE INCOME		1.439
ifrs-full_OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax|http://www.xbrl.org/2003/role/terseLabel		Kar veya Zararda Yeniden Sınıflandırılmayacaklar Other Comprehensive Income that will not be Reclassified to Profit or Loss		1.439
kap-fr_OtherComprehensiveIncomeBeforeTaxGainsLossesOnRevaluationOfPropertyPlantAndEquipment|http://www.xbrl.org/2003/role/terseLabel		Maddi Duran Varlıklar Yeniden Değerleme Artışları (Azalışları) Gains (Losses) on Revaluation of Property, Plant and Equipment
kap-fr_OtherComprehensiveIncomeBeforeTaxGainsLossesOnRevaluationOfIntangibleAssets|http://www.xbrl.org/2003/role/terseLabel		Maddi Olmayan Duran Varlıklar Yeniden Değerleme Artışları (Azalışları) Gains (Losses) on Revaluation of Intangible Assets
ifrs-full_OtherComprehensiveIncomeBeforeTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans|http://www.xbrl.org/2003/role/terseLabel		Tanımlanmış Fayda Planları Yeniden Ölçüm Kazançları (Kayıpları) Gains (Losses) on Remeasurements of Defined Benefit Plans
kap-fr_OtherComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossBeforeTax|http://www.xbrl.org/2003/role/terseLabel		Diğer Kar veya Zarar Olarak Yeniden Sınıflandırılmayacak Diğer Kapsamlı Gelir Unsurları Other Components of Other Comprehensive Income That Will Not Be Reclassified to Profit Or Loss		1.798
ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLoss|http://www.xbrl.org/2009/role/negatedTerseLabel		Kar veya Zararda Yeniden Sınıflandırılmayacak Diğer Kapsamlı Gelire İlişkin Vergiler Taxes Relating To Components Of Other Comprehensive Income That Will Not Be Reclassified To Profit Or Loss		-359
ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax|http://www.mkk.com.tr/2015/role/standartCapitalsLabel		Kar veya Zararda Yeniden Sınıflandırılacaklar Other Comprehensive Income That Will Be Reclassified to Profit or Loss		0
ifrs-full_OtherComprehensiveIncomeBeforeTaxExchangeDifferencesOnTranslation|http://www.xbrl.org/2003/role/terseLabel		Yabancı Para Çevrim Farkları Exchange Differences on Translation
ifrs-full_OtherComprehensiveIncomeBeforeTaxFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome|http://www.xbrl.org/2003/role/verboseLabel		Gerçeğe Uygun Değer Farkı Diğer Kapsamlı Gelire Yansıtılan Finansal Varlıkların Değerleme ve/veya Sınıflandırma Gelirleri/Giderleri Valuation and/or Reclassification Profit or Loss from financial assets at fair value through other comprehensive income
ifrs-full_OtherComprehensiveIncomeBeforeTaxCashFlowHedges|http://www.mkk.com.tr/2015/role/standartCapitalsLabel		Nakit Akış Riskinden Korunma Gelirleri (Giderleri) Income (Loss) Related with Cash Flow Hedges
ifrs-full_OtherComprehensiveIncomeBeforeTaxHedgesOfNetInvestmentsInForeignOperations|http://www.mkk.com.tr/2015/role/standartCapitalsLabel		Yurtdışındaki İşletmeye İlişkin Yatırım Riskinden Korunma Gelirleri (Giderleri) Income (Loss) Related with Hedges of Net Investments in Foreign Operations
kap-fr_OtherComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossBeforeTax|http://www.xbrl.org/2003/role/terseLabel		Diğer Kar veya Zarar Olarak Yeniden Sınıflandırılacak Diğer Kapsamlı Gelir Unsurları Other Components of Other Comprehensive Income that will be Reclassified to Other Profit or Loss
ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLoss|http://www.xbrl.org/2009/role/negatedTerseLabel		Kar veya Zararda Yeniden Sınıflandırılacak Diğer Kapsamlı Gelire İlişkin Vergiler Taxes Relating to Components of Other Comprehensive Income that will be Reclassified to Profit or Loss
ifrs-full_ComprehensiveIncome|http://www.mkk.com.tr/2015/role/standartCapitalsLabel		TOPLAM KAPSAMLI GELİR (GİDER) TOTAL COMPREHENSIVE INCOME (LOSS)		20.115	41.920

Presentation Currency	1.000 TL
Nature of Financial Statements	Consolidated

			Dipnot Referansı Footnote Reference	Cari Dönem 01.01.2020 - 31.12.2020 Current Period 01.01.2020 - 31.12.2020	Önceki Dönem 01.01.2019 - 31.12.2019 Previous Period 01.01.2019 - 31.12.2019
kap-fr_StatementOfCashFlowTFRSNineImpairementModelAppliedAbstract|		Nakit Akış Tablosu (TFRS 9'a Göre Karşılık Ayrılmış) Statement of Cash Flow (TFRS 9 Impairment Model Applied)
kap-fr_CashFlowsFromUsedInBankingOperationsAbstract|http://www.mkk.com.tr/2015/role/capslockLabel		BANKACILIK FAALİYETLERİNE İLİŞKİN NAKİT AKIŞLARI CASH FLOWS FROM USED IN BANKING OPERATIONS
kap-fr_OperatingProfitBeforeChangesInOperatingAssetsAndLiabilities|http://www.xbrl.org/2003/role/terseLabel		Bankacılık Faaliyet Konusu Varlık ve Yükümlülüklerdeki Değişim Öncesi Faaliyet Kârı Operating Profit Before Changes in Operating Assets and Liabilities		71.431	55.405
kap-fr_InterestReceivedClassifiedAsBankingActivities|http://www.xbrl.org/2003/role/terseLabel		Alınan Faizler Interest Received		310.105	370.340
kap-fr_InterestPaidClassifiedAsBankingActivities|http://www.xbrl.org/2009/role/negatedTerseLabel		Ödenen Faizler Interest Paid		-116.339	-162.106
kap-fr_DividendsReceivedClassifiedAsBankingActivities|http://www.xbrl.org/2003/role/terseLabel		Alınan Temettüler Dividends received
kap-fr_CashInflowsFromFeesAndCommissionsReceived|http://www.xbrl.org/2003/role/terseLabel		Alınan Ücret ve Komisyonlar Fees and Commissions Received
kap-fr_CashInflowsFromOtherGains|http://www.xbrl.org/2003/role/terseLabel		Elde Edilen Diğer Kazançlar Other Gains
kap-fr_CollectionsFromPreviouslyWrittenOffLoansAndOtherReceivables|		Zarar Olarak Muhasebeleştirilen Donuk Alacaklardan Tahsilatlar Collections from Previously Written Off Loans and Other Receivables
kap-fr_CashPaymentsToPersonnelAndServiceSuppliers|http://www.xbrl.org/2009/role/negatedLabel		Personele ve Hizmet Tedarik Edenlere Yapılan Nakit Ödemeler Cash Payments to Personnel and Service Suppliers		-71.525	-87.605
kap-fr_TaxesPaidClassifiedAsBankingActivities|http://www.xbrl.org/2009/role/negatedTerseLabel		Ödenen Vergiler Taxes Paid		-8.735	-11.034
kap-fr_OtherCashFlowsClassifiedAsBankingOperations|http://www.xbrl.org/2003/role/terseLabel		Diğer Other		-42.075	-54.190
kap-fr_ChangesInOperatingAssetsAndLiabilitiesSubjectToBankingOperations|http://www.xbrl.org/2003/role/terseLabel		Bankacılık Faaliyetleri Konusu Varlık ve Yükümlülüklerdeki Değişim Changes in Operating Assets and Liabilities Subject to Banking Operations		22.537	-140.362
kap-fr_IncreaseDecreaseInFinancialAssetsAtFairValueThroughProfitOrLoss|http://www.mkk.com.tr/2015/role/alternativeNetlLabel		Gerçeğe Uygun Değer Farkı Kar veya Zarara Yansıtılan Finansal Varlıklarda Net (Artış) Azalış Net (Increase) Decrease in Financial Assets at Fair Value through Profit or Loss
kap-fr_IncreaseDecreaseInDueFromBanks|http://www.xbrl.org/2009/role/netLabel		Bankalar Hesabındaki Net (Artış) Azalış Net (Increase) Decrease in Due From Banks
kap-fr_IncreaseDecreaseInLoans|http://www.xbrl.org/2009/role/netLabel		Kredilerdeki Net (Artış) Azalış Net (Increase) Decrease in Loans		26.124	-125.054
kap-fr_IncreaseDecreaseInOtherAssets|http://www.mkk.com.tr/2015/role/alternativeNetlLabel		Diğer Varlıklarda Net (Artış) Azalış Net (Increase) Decrease in Other Assets		-2.271	-11.780
kap-fr_IncreaseDecreaseInBankDeposits|http://www.xbrl.org/2009/role/netLabel		Bankaların Mevduatlarında Net Artış (Azalış) Net Increase (Decrease) in Bank Deposits
kap-fr_IncreaseDecreaseInOtherDeposits|http://www.xbrl.org/2009/role/netLabel		Diğer Mevduatlarda Net Artış (Azalış) Net Increase (Decrease) in Other Deposits
kap-fr_IncreaseDecreaseInFinancialLiabilitiesAtFairValueThroughProfitOrLoss|http://www.xbrl.org/2009/role/netLabel		Gerçeğe Uygun Değer Farkı Kar veya Zarara Yansıtılan Finansal Yükümlülüklerde Net Artış (Azalış) Net Increase (Decrease) in Financial Liabilities at Fair Value through Profit or Loss
kap-fr_IncreaseDecreaseInFundsBorrowed|http://www.xbrl.org/2009/role/netLabel		Alınan Kredilerdeki Net Artış (Azalış) Net Increase (Decrease) in Funds Borrowed
kap-fr_IncreaseDecreaseInMaturedPayables|http://www.xbrl.org/2009/role/netLabel		Vadesi Gelmiş Borçlarda Net Artış (Azalış) Net Increase (Decrease) in Matured Payables
kap-fr_IncreaseDecreaseInOtherLiabilities|http://www.xbrl.org/2009/role/netLabel		Diğer Borçlarda Net Artış (Azalış) Net Increase (Decrease) Other Liabilities		-1.316	-3.528
kap-fr_CashFlowsFromUsedInBankingOperations|http://www.mkk.com.tr/2015/role/alternativeNetlLabel		Bankacılık Faaliyetlerinden Kaynaklanan Net Nakit Akışı Net Cash Provided From Banking Operations		93.968	-84.957
ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract|http://www.mkk.com.tr/2015/role/standartCapitalsLabel		YATIRIM FAALİYETLERİNE İLİŞKİN NAKİT AKIŞLARI CASH FLOWS FROM (USED IN) INVESTING ACTIVITIES
ifrs-full_CashFlowsFromUsedInInvestingActivities|http://www.mkk.com.tr/2015/role/alternativeNetlLabel		Yatırım Faaliyetlerinden Kaynaklanan Net Nakit Akışları Net Cash Flows from (used in) Investing Activities		9.734	-14.544
kap-fr_CashPaidForPurchaseOfAssociatesSubsidiariesAndJointlyControlledEntitiesJointVentures|http://www.xbrl.org/2009/role/negatedLabel		İktisap Edilen İştirakler, Bağlı Ortaklıklar ve Birlikte Kontrol Edilen Ortaklıklar (İş Ortaklıkları) Cash Paid for Purchase of Associates, Subsidiaries and Jointly Controlled Entities (Joint Ventures)
kap-fr_CashObtainedFromSaleOfAssociatesSubsidiariesJointlyControlledEntitiesJointVentures|		Elden Çıkarılan İştirakler, Bağlı Ortaklıklar ve Birlikte Kontrol Edilen Ortaklıklar (İş Ortaklıkları) Cash Obtained from Sale of Associates, Subsidiaries and Jointly Controlled Entities (Joint Ventures)
kap-fr_CashPaidForPurchaseOfTangibleAndIntangibleAssetPurchases|http://www.xbrl.org/2009/role/negatedTerseLabel		Satın Alınan Menkul ve Gayrimenkuller Cash Paid For Tangible And Intangible Asset Purchases		-11.357	-11.866
kap-fr_CashObtainedFromTangibleAndIntangibleAssetSales|		Elden Çıkarılan Menkul ve Gayrimenkuller Cash Obtained from Tangible and Intangible Asset Sales		4.618	380
kap-fr_CashPaidForPurchaseOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncome|http://www.xbrl.org/2009/role/negatedLabel		Elde Edilen Gerçeğe Uygun Değer Farkı Diğer Kapsamlı Gelire Yansıtılan Finansal Varlıklar Cash Paid for Purchase of Financial Assets At Fair Value Through Other Comprehensive Income
kap-fr_CashObtainedFromSaleOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncome|		Elden Çıkarılan Gerçeğe Uygun Değer Farkı Diğer Kapsamlı Gelire Yansıtılan Finansal Varlıklar Cash Obtained from Sale of Financial Assets At Fair Value Through Other Comprehensive Income
kap-fr_CashPaidForPurchaseOfFinancialAssetsAtAmortisedCost|http://www.xbrl.org/2009/role/negatedLabel		Satın Alınan İtfa Edilmiş Maliyeti ile Ölçülen Finansal Varlıklar Cash Paid for Purchase of Financial Assets At Amortised Cost
kap-fr_CashObtainedFromSaleOfFinancialAssetsAtAmortisedCost|		Satılan İtfa Edilmiş Maliyeti ile Ölçülen Finansal Varlıklar Cash Obtained from Sale of Financial Assets At Amortised Cost
ifrs-full_OtherInflowsOutflowsOfCashClassifiedAsInvestingActivities|http://www.xbrl.org/2003/role/verboseLabel		Diğer Other		16.473	-3.058
ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract|http://www.mkk.com.tr/2015/role/alternativeNetlLabel		FİNANSMAN FAALİYETLERİNE İLİŞKİN NAKİT AKIŞLARI CASH FLOWS FROM (USED IN) FINANCING ACTIVITIES
ifrs-full_CashFlowsFromUsedInFinancingActivities|http://www.xbrl.org/2009/role/netLabel		Finansman Faaliyetlerinden Sağlanan Net Nakit Net cash flows from (used in) financing activities		-122.063	142.597
kap-fr_CashObtainedFromLoansAndSecuritiesIssued|		Krediler ve İhraç Edilen Menkul Değerlerden Sağlanan Nakit Cash Obtained from Loans and Securities Issued		540.471	655.731
kap-fr_CashOutflowArisedFromLoansAndSecuritiesIssued|http://www.xbrl.org/2009/role/negatedLabel		Krediler ve İhraç Edilen Menkul Değerlerden Kaynaklanan Nakit Çıkışı Cash Outflow Arised From Loans and Securities Issued		-656.964	-509.964
kap-fr_EquityInstrumentsIssued|		İhraç Edilen Sermaye Araçları Equity Instruments Issued
ifrs-full_DividendsPaidClassifiedAsFinancingActivities|http://www.xbrl.org/2009/role/negatedTerseLabel		Temettü Ödemeleri Dividends paid
kap-fr_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities|http://www.xbrl.org/2009/role/negatedLabel		Kiralamaya İlişkin Ödemeler Payments of lease liabilities		-5.570	-3.170
ifrs-full_OtherInflowsOutflowsOfCashClassifiedAsFinancingActivities|http://www.xbrl.org/2003/role/verboseLabel		Diğer Other
ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents|http://www.mkk.com.tr/2015/role/standartCapitalsLabel		Yabancı Para Çevrim Farklarının Nakit ve Nakde Eşdeğer Varlıklar Üzerindeki Etkisi Effect of Change in Foreign Exchange Rate on Cash and Cash Equivalents		-104	-109
ifrs-full_IncreaseDecreaseInCashAndCashEquivalents|http://www.mkk.com.tr/2015/role/netVerboseLabel		Nakit ve Nakde Eşdeğer Varlıklardaki Net Artış (Azalış) Net Increase (Decrease) in Cash and Cash Equivalents		-18.465	42.987
kap-fr_CashAndCashEquivalentsForCashFlowStatement|http://www.mkk.com.tr/2015/role/tersePeriodStartLabel		Dönem Başındaki Nakit ve Nakde Eşdeğer Varlıklar Cash and Cash Equivalents at Beginning of the Period		80.688	37.701
kap-fr_CashAndCashEquivalentsForCashFlowStatement|http://www.mkk.com.tr/2015/role/tersePeriodEndLabel		Dönem Sonundaki Nakit ve Nakde Eşdeğer Varlıklar Cash and Cash Equivalents at End of the Period		62.223	80.688

Presentation Currency	1.000 TL
Nature of Financial Statements	Consolidated

			Dipnot Referansı Footnote Reference
				Ödenmiş Sermaye Issued Capital	Hisse Senedi İhraç Primleri Share Premium	Hisse Senedi İptal Karları Share Cancellation Profit	Diğer Sermaye Yedekleri Other Capital Reserves	Kâr veya Zararda Yeniden Sınıflandırılmayacak Birikmiş Diğer Kapsamlı Gelirler ve Giderler Other Accumulated Comprehensive Income That Will Not Be Reclassified In Profit and Loss		Kâr veya Zararda Yeniden Sınıflandırılacak Birikmiş Diğer Kapsamlı Gelirler ve Giderler Other Accumulated Comprehensive Income That Will Be Reclassified In Profit and Loss		Kar Yedekleri Profit Reserves	Geçmiş Dönem Karı / (Zararı) Prior Years' Profits or Losses	Dönem Net Kar veya Zararı Current Period Net Profit (Loss)	Azınlık Payları Hariç Toplam Özkaynak Total Equity Except from Non-controlling Interests	Azınlık Payları Non-controlling Interests	Toplam Özkaynak Total Equity
										Duran Varlıklar Birikmiş Yeniden Değerleme Artışları/Azalışları Tangible and Intangible Assets Revaluation Reserve								Tanımlanmış Fayda Planlarının Birikmiş Yeniden Ölçüm Kazançları/Kayıpları Accumulated Gains / Losses on Remeasurements of Defined Benefit Plans	Diğer (Özkaynak Yöntemiyle Değerlenen Yatırımların Diğer Kapsamlı Gelirinden Kar/Zararda Sınıflandırılmayacak Payları ile Diğer Kar veya Zarar Olarak Yeniden Sınıflandırılmayacak Diğer Kapsamlı Gelir Unsurlarının Birikmiş Tutarları) Other (Other Comprehensive Income of Associates and Joint Ventures Accounted for Using Equity Method that will not be Reclassified to Profit or Loss and OtherAccumulated Amounts of Other Comprehensive Income that will not be Reclassified to Profit or Loss)	Yabancı Para Çevrim Farkları Exchange Differences on Translation	Gerçeğe Uygun Değer Farkı Diğer Kapsamlı Gelire Yansıtılan Finansal Varlıkların Birikmiş Yeniden Değerleme ve/veya Sınıflandırma Kazançları/Kayıpları Accumulated gains (losses) due to revaluation and/or reclassification of financial assets measured at fair value through other comprehensive income	Diğer (Nakit Akış Riskinden Korunma Kazançları/Kayıpları, Özkaynak Yöntemiyle Değerlenen Yatırımların Diğer Kapsamlı Gelirinden Kar/zararda Sınıflandırılacak Payları ve Diğer Kar veya Zarar Olarak Yeniden Sınıflandırılacak Diğer Kapsamlı Gelir Unsurlarının Birikmiş Tutarları) Other (Accumulated Gains or Losses on Cash Flow Hedges, Other Comprehensive Income of Associates and Joint Ventures Accounted for Using Equity Method that will be Reclassified to Profit or Loss and Other Accumulated Amounts of Other Comprehensive Income that will be Reclassified to Profit or Loss)
	Önceki Dönem 01.01.2019 - 31.12.2019 Previous Period 01.01.2019 - 31.12.2019
kap-fr_StatementOfChangesInEquityTFRSNineImpairementModelAppliedAbstract|		Özkaynaklar Değişim Tablosu (TFRS 9'a Göre Karşılık Ayrılmış) Statement of changes in equity (TFRS 9 Impairment Model Applied)
kap-fr_ChangesInEquityItemsLineItems|http://www.mkk.com.tr/2015/role/capslockLabel		ÖZKAYNAK KALEMLERİNDEKİ DEĞİŞİKLİKLER CHANGES IN EQUITY ITEMS
ifrs-full_Equity|http://www.xbrl.org/2003/role/periodStartLabel		Dönem Başı Bakiyeler Equity at beginning of period		185.000	17.099											10.075	196.280	90.085	498.539		498.539
kap-fr_AdjustmentsRelatedtoTMS8|		TMS 8 Uyarınca Yapılan Düzeltmeler Adjustments Related to TMS 8
kap-fr_FinancialEffectOfCorrectionsOfAccountingErrors|http://www.xbrl.org/2003/role/terseLabel		Hataların Düzeltilmesinin Etkisi Effect Of Corrections
kap-fr_FinancialEffectOfChangesInAccountingPolicy|http://www.xbrl.org/2003/role/terseLabel		Muhasebe Politikasında Yapılan Değişikliklerin Etkisi Effect Of Changes In Accounting Policy
kap-fr_RestatedBalances|http://www.xbrl.org/2003/role/terseLabel		Yeni Bakiye Adjusted Beginning Balance		185.000	17.099											10.075	196.280	90.085	498.539		498.539
ifrs-full_ComprehensiveIncome|http://www.xbrl.org/2003/role/terseLabel		Toplam Kapsamlı Gelir (Gider) Total Comprehensive Income (Loss)																41.920	41.920		41.920
kap-fr_CashIncrease|http://www.xbrl.org/2003/role/verboseLabel		Nakden Gerçekleştirilen Sermaye Artırımı Capital Increase in Cash
kap-fr_CapitalIncreaseTroughInternalReserves|		İç Kaynaklardan Gerçekleştirilen Sermaye Artırımı Capital Increase Through Internal Reserves
kap-fr_IssuedCapitalInflationAdjustmentDifference|		Ödenmiş Sermaye Enflasyon Düzeltme Farkı Issued Capital Inflation Adjustment Difference
kap-fr_IncreaseDecreaseInConvertibleBonds|http://www.xbrl.org/2003/role/terseLabel		Hisse Senedine Dönüştürülebilir Tahviller Convertible Bonds
kap-fr_IncreaseDecreaseInSubordinatedDebt|http://www.xbrl.org/2003/role/terseLabel		Sermaye Benzeri Borçlanma Araçları Subordinated Debt
ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesEquity|		Diğer Değişiklikler Nedeni İle Artış (Azalış) Increase (decrease) through other changes, equity
kap-fr_ProfitDistributions|		Kar Dağıtımı Profit Distributions														4.265	85.820	-90.085	0		0
ifrs-full_DividendsPaid|http://www.xbrl.org/2003/role/terseLabel		Dağıtılan Temettü Dividends Paid
kap-fr_TransfersToReserves|		Yedeklere Aktarılan Tutarlar Transfers To Reserves														4.265	85.820	90.085	0		0
kap-fr_OtherProfitDistributions|http://www.xbrl.org/2003/role/terseLabel		Diğer Other
ifrs-full_Equity|http://www.xbrl.org/2003/role/periodEndLabel		Dönem Sonu Bakiyeler Equity at end of period		185.000	17.099											14.340	282.100	41.920	540.459		540.459
	Cari Dönem 01.01.2020 - 31.12.2020 Current Period 01.01.2020 - 31.12.2020
kap-fr_StatementOfChangesInEquityTFRSNineImpairementModelAppliedAbstract|		Özkaynaklar Değişim Tablosu (TFRS 9'a Göre Karşılık Ayrılmış) Statement of changes in equity (TFRS 9 Impairment Model Applied)
kap-fr_ChangesInEquityItemsLineItems|http://www.mkk.com.tr/2015/role/capslockLabel		ÖZKAYNAK KALEMLERİNDEKİ DEĞİŞİKLİKLER CHANGES IN EQUITY ITEMS
ifrs-full_Equity|http://www.xbrl.org/2003/role/periodStartLabel		Dönem Başı Bakiyeler Equity at beginning of period		185.000	17.099											14.340	282.100	41.920	540.459		540.459
kap-fr_AdjustmentsRelatedtoTMS8|		TMS 8 Uyarınca Yapılan Düzeltmeler Adjustments Related to TMS 8
kap-fr_FinancialEffectOfCorrectionsOfAccountingErrors|http://www.xbrl.org/2003/role/terseLabel		Hataların Düzeltilmesinin Etkisi Effect Of Corrections
kap-fr_FinancialEffectOfChangesInAccountingPolicy|http://www.xbrl.org/2003/role/terseLabel		Muhasebe Politikasında Yapılan Değişikliklerin Etkisi Effect Of Changes In Accounting Policy
kap-fr_RestatedBalances|http://www.xbrl.org/2003/role/terseLabel		Yeni Bakiye Adjusted Beginning Balance		185.000	17.099											14.340	282.100	41.920	540.459		540.459
ifrs-full_ComprehensiveIncome|http://www.xbrl.org/2003/role/terseLabel		Toplam Kapsamlı Gelir (Gider) Total Comprehensive Income (Loss)												1.439				18.676	20.115		20.115
kap-fr_CashIncrease|http://www.xbrl.org/2003/role/verboseLabel		Nakden Gerçekleştirilen Sermaye Artırımı Capital Increase in Cash
kap-fr_CapitalIncreaseTroughInternalReserves|		İç Kaynaklardan Gerçekleştirilen Sermaye Artırımı Capital Increase Through Internal Reserves
kap-fr_IssuedCapitalInflationAdjustmentDifference|		Ödenmiş Sermaye Enflasyon Düzeltme Farkı Issued Capital Inflation Adjustment Difference
kap-fr_IncreaseDecreaseInConvertibleBonds|http://www.xbrl.org/2003/role/terseLabel		Hisse Senedine Dönüştürülebilir Tahviller Convertible Bonds
kap-fr_IncreaseDecreaseInSubordinatedDebt|http://www.xbrl.org/2003/role/terseLabel		Sermaye Benzeri Borçlanma Araçları Subordinated Debt
ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesEquity|		Diğer Değişiklikler Nedeni İle Artış (Azalış) Increase (decrease) through other changes, equity
kap-fr_ProfitDistributions|		Kar Dağıtımı Profit Distributions															41.920	-41.920	0		0
ifrs-full_DividendsPaid|http://www.xbrl.org/2003/role/terseLabel		Dağıtılan Temettü Dividends Paid
kap-fr_TransfersToReserves|		Yedeklere Aktarılan Tutarlar Transfers To Reserves															41.920	-41.920	0		0
kap-fr_OtherProfitDistributions|http://www.xbrl.org/2003/role/terseLabel		Diğer Other
ifrs-full_Equity|http://www.xbrl.org/2003/role/periodEndLabel		Dönem Sonu Bakiyeler Equity at end of period		18.500	17.099									1.439		14.340	324.020	18.676	560.574		560.574