| Sunum Para Birimi | 1.000 TL | 
| Finansal Tablo Niteliği | Konsolide Olmayan | 
| Dipnot Referansı | Cari Dönem 30.09.2025 | Önceki Dönem 31.12.2024 | |||||||||||||||
| TP | YP | Toplam | TP | YP | Toplam | ||||||||||||
| kap-fr_StatementOfFinancialPositionTFRSNineImpairementModelAppliedLineItems| | 
 | ||||||||||||||||
| ifrs-full_AssetsAbstract|http://www.mkk.com.tr/2015/role/standartCapitalsLabel | 
 | ||||||||||||||||
| kap-fr_FinancialAssetsExcludingFinancialAssetsAtAmortisedCost|http://www.mkk.com.tr/2015/role/standartCapitalsLabel | 
 | 433.174.207 | 328.669.725 | 761.843.932 | 321.007.800 | 241.235.488 | 562.243.288 | ||||||||||
| ifrs-full_CashAndCashEquivalents| | 
 | 1.1 | 266.958.547 | 282.431.067 | 549.389.614 | 210.258.463 | 200.787.984 | 411.046.447 | |||||||||
| kap-fr_CashAndCashBalancesAtCentralBanks|http://www.xbrl.org/2003/role/terseLabel | 
 | 266.914.276 | 248.546.950 | 515.461.226 | 210.221.223 | 177.642.256 | 387.863.479 | ||||||||||
| kap-fr_Banks| | 
 | 1.4.1 | 102.704 | 33.980.158 | 34.082.862 | 83.265 | 23.239.898 | 23.323.163 | |||||||||
| kap-fr_ReceivablesFromMoneyMarkets| | 
 | 1.4.2 | 0 | 0 | 0 | 0 | 0 | 0 | |||||||||
| kap-fr_AllowanceForExpectedCreditLossesForCashAndCashEquivalents|http://www.xbrl.org/2009/role/negatedLabel | 
 | -58.433 | -96.041 | -154.474 | -46.025 | -94.170 | -140.195 | ||||||||||
| ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLoss| | 
 | 1.2 | 608.898 | 3.338.201 | 3.947.099 | 303.506 | 3.421.276 | 3.724.782 | |||||||||
| kap-fr_PublicSectorDebtSecuritiesAtFairValueThroughProfitOrLoss|http://www.xbrl.org/2003/role/terseLabel | 
 | 0 | 278.349 | 278.349 | 0 | 292.948 | 292.948 | ||||||||||
| kap-fr_EquityInstrumentsAtFairValueThroughProfitOrLoss|http://www.xbrl.org/2003/role/terseLabel | 
 | 0 | 0 | 0 | 0 | 0 | 0 | ||||||||||
| kap-fr_OtherFinancialAssetsAtFairValueThroughProfitOrLoss|http://www.xbrl.org/2003/role/terseLabel | 
 | 608.898 | 3.059.852 | 3.668.750 | 303.506 | 3.128.328 | 3.431.834 | ||||||||||
| ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncome|http://www.xbrl.org/2003/role/terseLabel | 
 | 1.5,1.6 | 154.728.832 | 33.924.879 | 188.653.711 | 104.269.273 | 26.886.074 | 131.155.347 | |||||||||
| kap-fr_PublicSectorDebtSecuritiesAtFairValueThroughOtherComprehensiveIncome|http://www.xbrl.org/2003/role/terseLabel | 
 | 154.546.924 | 33.868.266 | 188.415.190 | 104.125.343 | 26.869.235 | 130.994.578 | ||||||||||
| kap-fr_EquityInstrumentsAtFairValueThroughOtherComprehensiveIncome|http://www.xbrl.org/2003/role/terseLabel | 
 | 175.409 | 56.613 | 232.022 | 138.305 | 16.839 | 155.144 | ||||||||||
| kap-fr_OtherFinancialAssetsAtFairValueThroughOtherComprehensiveIncome|http://www.xbrl.org/2003/role/terseLabel | 
 | 6.499 | 0 | 6.499 | 5.625 | 0 | 5.625 | ||||||||||
| ifrs-full_DerivativeFinancialAssets| | 
 | 1.3 | 10.877.930 | 8.975.578 | 19.853.508 | 6.176.558 | 10.140.154 | 16.316.712 | |||||||||
| kap-fr_DerivativeFinancialAssetsAtFairValueThroughProfitOrLoss| | 
 | 10.830.213 | 7.471.187 | 18.301.400 | 5.677.426 | 8.298.640 | 13.976.066 | ||||||||||
| kap-fr_DerivativeFinancialAssetsAtFairValueThroughOtherComprehensiveIncome| | 
 | 47.717 | 1.504.391 | 1.552.108 | 499.132 | 1.841.514 | 2.340.646 | ||||||||||
| ifrs-full_FinancialAssetsAtAmortisedCost|http://www.xbrl.org/2009/role/netLabel | 
 | 1.327.554.454 | 637.142.409 | 1.964.696.863 | 1.086.934.266 | 483.781.675 | 1.570.715.941 | ||||||||||
| kap-fr_Loans| | 
 | 1.7 | 1.120.954.694 | 525.169.626 | 1.646.124.320 | 870.334.720 | 375.025.054 | 1.245.359.774 | |||||||||
| kap-fr_ReceivablesFromLeasingTransactions| | 
 | 1.12 | 0 | 0 | 0 | 0 | 0 | 0 | |||||||||
| kap-fr_FactoringReceivables| | 
 | 615.765 | 5.031 | 620.796 | 1.176.371 | 8.837 | 1.185.208 | ||||||||||
| kap-fr_FinancialAssetsMeasuredAtAmortisedCost|http://www.xbrl.org/2003/role/terseLabel | 
 | 1.8 | 250.641.540 | 127.522.584 | 378.164.124 | 250.223.533 | 121.049.444 | 371.272.977 | |||||||||
| kap-fr_PublicSectorDebtSecuritiesMeasuredAtAmortisedCost|http://www.xbrl.org/2003/role/terseLabel | 
 | 248.154.807 | 127.522.584 | 375.677.391 | 241.778.828 | 121.049.444 | 362.828.272 | ||||||||||
| kap-fr_OtherFinancialAssetsMeasuredAtAmortisedCost|http://www.xbrl.org/2003/role/terseLabel | 
 | 2.486.733 | 0 | 2.486.733 | 8.444.705 | 0 | 8.444.705 | ||||||||||
| kap-fr_AllowanceForExpectedCreditLosses|http://www.xbrl.org/2009/role/negatedLabel | 
 | -44.657.545 | -15.554.832 | -60.212.377 | -34.800.358 | -12.301.660 | -47.102.018 | ||||||||||
| kap-fr_NonCurrentAssetsClassifiedAsHeldForSaleAndDiscontinuedOperations|http://www.xbrl.org/2009/role/netLabel | 
 | 1.15 | 1.167.065 | 0 | 1.167.065 | 560.098 | 0 | 560.098 | |||||||||
| kap-fr_NonCurrentAssetsClassifiedAsHeldForSale|http://www.xbrl.org/2003/role/terseLabel | 
 | 1.167.065 | 0 | 1.167.065 | 560.098 | 0 | 560.098 | ||||||||||
| kap-fr_NonCurrentAssetsFromDiscontinuedOperations|http://www.xbrl.org/2003/role/terseLabel | 
 | 0 | 0 | 0 | 0 | 0 | 0 | ||||||||||
| ifrs-full_InvestmentsInSubsidiariesJointVenturesAndAssociates|http://www.mkk.com.tr/2015/role/standartCapitalsLabel | 
 | 28.915.021 | 49.364.224 | 78.279.245 | 20.606.431 | 34.718.930 | 55.325.361 | ||||||||||
| ifrs-full_InvestmentsInAssociates|http://www.mkk.com.tr/2015/role/tersenetLabel | 
 | 1.9 | 239.256 | 10.810.228 | 11.049.484 | 38.446 | 7.820.018 | 7.858.464 | |||||||||
| kap-fr_AssociatesAccountedforUsingEquityMethod|http://www.xbrl.org/2003/role/terseLabel | 
 | 0 | 0 | 0 | 0 | 0 | 0 | ||||||||||
| kap-fr_UnconsolidatedAssociatesAccountedForUsingEquityMethod| | 
 | 239.256 | 10.810.228 | 11.049.484 | 38.446 | 7.820.018 | 7.858.464 | ||||||||||
| ifrs-full_InvestmentsInSubsidiaries|http://www.mkk.com.tr/2015/role/tersenetLabel | 
 | 1.10 | 28.675.765 | 38.553.996 | 67.229.761 | 20.567.985 | 26.898.912 | 47.466.897 | |||||||||
| kap-fr_UnconsolidatedFinancialSubsidiaries| | 
 | 28.018.449 | 38.553.996 | 66.572.445 | 20.535.669 | 26.898.912 | 47.434.581 | ||||||||||
| kap-fr_UnconsolidatedNonfinancialSubsidiaries| | 
 | 657.316 | 0 | 657.316 | 32.316 | 0 | 32.316 | ||||||||||
| kap-fr_JointlyControledPartnershipsJointVentures|http://www.mkk.com.tr/2015/role/tersenetLabel | 
 | 1.11 | 0 | 0 | 0 | 0 | 0 | 0 | |||||||||
| kap-fr_JointlyControlledPartnershipsAccountedforUsingEquityMethod|http://www.xbrl.org/2003/role/verboseLabel | 
 | 0 | 0 | 0 | 0 | 0 | 0 | ||||||||||
| kap-fr_UnconsolidatedJointlyControlledPartnerships|http://www.xbrl.org/2003/role/verboseLabel | 
 | 0 | 0 | 0 | 0 | 0 | 0 | ||||||||||
| kap-fr_TangibleAssets|http://www.xbrl.org/2009/role/netLabel | 
 | 41.273.290 | 0 | 41.273.290 | 30.310.339 | 0 | 30.310.339 | ||||||||||
| ifrs-full_IntangibleAssetsAndGoodwill|http://www.xbrl.org/2009/role/netLabel | 
 | 4.209.246 | 0 | 4.209.246 | 2.938.383 | 0 | 2.938.383 | ||||||||||
| ifrs-full_Goodwill| | 
 | 0 | 0 | 0 | 0 | 0 | 0 | ||||||||||
| ifrs-full_IntangibleAssetsOtherThanGoodwill|http://www.xbrl.org/2003/role/terseLabel | 
 | 4.209.246 | 0 | 4.209.246 | 2.938.383 | 0 | 2.938.383 | ||||||||||
| ifrs-full_InvestmentProperty|http://www.xbrl.org/2009/role/netLabel | 
 | 1.13 | 0 | 0 | 0 | 0 | 0 | 0 | |||||||||
| ifrs-full_CurrentTaxAssets|http://www.mkk.com.tr/2015/role/standartCapitalsLabel | 
 | 4.261.878 | 39.165 | 4.301.043 | 4.228.487 | 0 | 4.228.487 | ||||||||||
| ifrs-full_DeferredTaxAssets|http://www.mkk.com.tr/2015/role/standartCapitalsLabel | 
 | 1.14 | 4.598.073 | 0 | 4.598.073 | 12.814.574 | 0 | 12.814.574 | |||||||||
| ifrs-full_OtherAssets|http://www.xbrl.org/2009/role/netLabel | 
 | 1.16 | 139.597.078 | 40.801.119 | 180.398.197 | 91.343.139 | 50.106.189 | 141.449.328 | |||||||||
| ifrs-full_Assets|http://www.mkk.com.tr/2015/role/terseTotalLabel | 
 | 1.984.750.312 | 1.056.016.642 | 3.040.766.954 | 1.570.743.517 | 809.842.282 | 2.380.585.799 | ||||||||||
| ifrs-full_EquityAndLiabilitiesAbstract|http://www.mkk.com.tr/2015/role/capslockLabel | 
 | ||||||||||||||||
| kap-fr_Deposits|http://www.mkk.com.tr/2015/role/standartCapitalsLabel | 
 | 2.1 | 983.401.687 | 647.273.511 | 1.630.675.198 | 811.695.215 | 456.213.214 | 1.267.908.429 | |||||||||
| ifrs-full_LoansReceived|http://www.mkk.com.tr/2015/role/standartCapitalsLabel | 
 | 2.3.1 | 60.174.941 | 310.295.927 | 370.470.868 | 75.319.886 | 195.046.079 | 270.365.965 | |||||||||
| kap-fr_MoneyMarketFunds|http://www.mkk.com.tr/2015/role/standartCapitalsLabel | 
 | 186.146.725 | 5.648.495 | 191.795.220 | 171.343.982 | 16.431.455 | 187.775.437 | ||||||||||
| kap-fr_MarketableSecuritiesIssued|http://www.xbrl.org/2009/role/netLabel | 
 | 2.3.4 | 3.956.474 | 192.831.977 | 196.788.451 | 6.402.272 | 122.908.487 | 129.310.759 | |||||||||
| kap-fr_BillsIssued|http://www.xbrl.org/2003/role/terseLabel | 
 | 3.512.912 | 0 | 3.512.912 | 6.073.651 | 51.438.572 | 57.512.223 | ||||||||||
| kap-fr_AssetBackedSecuritiesIssued|http://www.xbrl.org/2003/role/terseLabel | 
 | 0 | 0 | 0 | 0 | 0 | 0 | ||||||||||
| ifrs-full_BondsIssued|http://www.xbrl.org/2003/role/verboseLabel | 
 | 443.562 | 192.831.977 | 193.275.539 | 328.621 | 71.469.915 | 71.798.536 | ||||||||||
| kap-fr_Funds| | 
 | 0 | 0 | 0 | 0 | 0 | 0 | ||||||||||
| kap-fr_BorrowerFunds|http://www.xbrl.org/2003/role/terseLabel | 
 | 0 | 0 | 0 | 0 | 0 | 0 | ||||||||||
| kap-fr_OtherFunds|http://www.xbrl.org/2003/role/terseLabel | 
 | 0 | 0 | 0 | 0 | 0 | 0 | ||||||||||
| kap-fr_FinancialLiabilitieAtFairValueThroughProfitOrLoss|http://www.mkk.com.tr/2015/role/standartCapitalsLabel | 
 | 2.3.3.2 | 0 | 64.223.312 | 64.223.312 | 0 | 76.955.388 | 76.955.388 | |||||||||
| kap-fr_DerivativeFinancialLiabilities|http://www.mkk.com.tr/2015/role/standartCapitalsLabel | 
 | 2.2 | 10.161.586 | 5.287.316 | 15.448.902 | 13.582.129 | 5.476.137 | 19.058.266 | |||||||||
| kap-fr_DerivativeFinancialLiabilitiesAtFairValueThroughProfitOrLoss| | 
 | 10.161.586 | 5.262.719 | 15.424.305 | 13.582.129 | 5.476.137 | 19.058.266 | ||||||||||
| kap-fr_DerivativeFinancialLiabilitiesAtFairValueThroughOtherComprehensiveIncome| | 
 | 0 | 24.597 | 24.597 | 0 | 0 | 0 | ||||||||||
| kap-fr_FactoringPayables|http://www.mkk.com.tr/2015/role/capslockLabel | 
 | 0 | 0 | 0 | 0 | 0 | 0 | ||||||||||
| kap-fr_LeasePayables|http://www.mkk.com.tr/2015/role/tersenetLabel | 
 | 2.5 | 6.582.328 | 122.975 | 6.705.303 | 5.000.496 | 75.461 | 5.075.957 | |||||||||
| ifrs-full_Provisions|http://www.mkk.com.tr/2015/role/standartCapitalsLabel | 
 | 2.6 | 23.092.822 | 555.888 | 23.648.710 | 20.087.100 | 460.323 | 20.547.423 | |||||||||
| kap-fr_ProvisionForRestructuring| | 
 | 0 | 0 | 0 | 0 | 0 | 0 | ||||||||||
| kap-fr_ReservesForEmployeeBenefits| | 
 | 2.6.1 | 5.108.196 | 0 | 5.108.196 | 3.800.684 | 0 | 3.800.684 | |||||||||
| kap-fr_InsuranceTechnicalReserves|http://www.xbrl.org/2009/role/netLabel | 
 | 0 | 0 | 0 | 0 | 0 | 0 | ||||||||||
| ifrs-full_OtherProvisions| | 
 | 2.6.3 | 17.984.626 | 555.888 | 18.540.514 | 16.286.416 | 460.323 | 16.746.739 | |||||||||
| ifrs-full_CurrentTaxLiabilities|http://www.mkk.com.tr/2015/role/standartCapitalsLabel | 
 | 2.7 | 12.931.158 | 39.165 | 12.970.323 | 8.630.281 | 0 | 8.630.281 | |||||||||
| ifrs-full_DeferredTaxLiabilities|http://www.mkk.com.tr/2015/role/standartCapitalsLabel | 
 | 0 | 0 | 0 | 0 | 0 | 0 | ||||||||||
| kap-fr_LiabilitiesRelatedToAssetsHeldForSaleAndDiscontinuedOperations|http://www.xbrl.org/2009/role/netLabel | 
 | 2.8 | 0 | 0 | 0 | 0 | 0 | 0 | |||||||||
| kap-fr_LiabilitiesRelatedToAssetsHeldForSale|http://www.xbrl.org/2003/role/terseLabel | 
 | 0 | 0 | 0 | 0 | 0 | 0 | ||||||||||
| kap-fr_LiabilitiesRelatedToDiscontinuedOperations|http://www.xbrl.org/2003/role/terseLabel | 
 | 0 | 0 | 0 | 0 | 0 | 0 | ||||||||||
| kap-fr_SubordinatedDebt|http://www.mkk.com.tr/2015/role/capslockLabel | 
 | 2.9 | 1.132.183 | 94.837.187 | 95.969.370 | 1.301.664 | 60.629.934 | 61.931.598 | |||||||||
| kap-fr_SubordinatedLoans|http://www.xbrl.org/2003/role/terseLabel | 
 | 0 | 0 | 0 | 0 | 0 | 0 | ||||||||||
| kap-fr_SubordinatedOtherDebtInstruments|http://www.xbrl.org/2003/role/terseLabel | 
 | 1.132.183 | 94.837.187 | 95.969.370 | 1.301.664 | 60.629.934 | 61.931.598 | ||||||||||
| ifrs-full_OtherLiabilities|http://www.mkk.com.tr/2015/role/standartCapitalsLabel | 
 | 2.4 | 178.115.208 | 12.673.092 | 190.788.300 | 129.196.382 | 11.025.866 | 140.222.248 | |||||||||
| ifrs-full_Equity|http://www.mkk.com.tr/2015/role/standartCapitalsLabel | 
 | 2.10 | 203.888.695 | 37.394.302 | 241.282.997 | 167.262.741 | 25.541.307 | 192.804.048 | |||||||||
| ifrs-full_IssuedCapital| | 
 | 8.447.051 | 0 | 8.447.051 | 8.447.051 | 0 | 8.447.051 | ||||||||||
| kap-fr_CapitalReserves| | 
 | 2.368.601 | 0 | 2.368.601 | 2.279.190 | 0 | 2.279.190 | ||||||||||
| ifrs-full_SharePremium|http://www.xbrl.org/2003/role/terseLabel | 
 | 556.937 | 0 | 556.937 | 556.937 | 0 | 556.937 | ||||||||||
| kap-fr_ShareCancellationProfits| | 
 | 0 | 0 | 0 | 0 | 0 | 0 | ||||||||||
| kap-fr_OtherCapitalReserves| | 
 | 1.811.664 | 0 | 1.811.664 | 1.722.253 | 0 | 1.722.253 | ||||||||||
| kap-fr_OtherAccumulatedComprehensiveIncomeThatWillNotBeReclassifiedInProfitOrLoss|http://www.xbrl.org/2003/role/verboseLabel | 
 | 13.867.373 | 522.145 | 14.389.518 | 7.355.680 | 515.728 | 7.871.408 | ||||||||||
| kap-fr_OtherAccumulatedComprehensiveIncomeThatWillBeReclassifiedInProfitOrLoss|http://www.xbrl.org/2003/role/verboseLabel | 
 | -30.885.580 | 36.872.157 | 5.986.577 | -23.543.457 | 25.025.579 | 1.482.122 | ||||||||||
| kap-fr_ProfitReserves| | 
 | 172.281.383 | 0 | 172.281.383 | 143.707.454 | 0 | 143.707.454 | ||||||||||
| kap-fr_LegalReserves| | 
 | 3.473.904 | 0 | 3.473.904 | 3.473.904 | 0 | 3.473.904 | ||||||||||
| kap-fr_StatutoryReserves| | 
 | 0 | 0 | 0 | 0 | 0 | 0 | ||||||||||
| kap-fr_ExtraordinaryReserves| | 
 | 168.778.964 | 0 | 168.778.964 | 140.205.035 | 0 | 140.205.035 | ||||||||||
| kap-fr_OtherProfitReserves| | 
 | 28.515 | 0 | 28.515 | 28.515 | 0 | 28.515 | ||||||||||
| kap-fr_ProfitOrLossClassifiedInEquity|http://www.xbrl.org/2003/role/terseLabel | 
 | 37.809.867 | 0 | 37.809.867 | 29.016.823 | 0 | 29.016.823 | ||||||||||
| kap-fr_PriorYearsProfitsOrLosses|http://www.xbrl.org/2003/role/verboseLabel | 
 | 0 | 0 | 0 | 0 | 0 | 0 | ||||||||||
| kap-fr_CurrentPeriodNetProfitOrLossClassifiedInEquity|http://www.mkk.com.tr/2015/role/tersenetLabel | 
 | 37.809.867 | 0 | 37.809.867 | 29.016.823 | 0 | 29.016.823 | ||||||||||
| ifrs-full_NoncontrollingInterests|http://www.xbrl.org/2003/role/terseLabel | 
 | 0 | 0 | 0 | 0 | 0 | 0 | ||||||||||
| ifrs-full_EquityAndLiabilities|http://www.xbrl.org/2003/role/totalLabel | 
 | 1.669.583.807 | 1.371.183.147 | 3.040.766.954 | 1.409.822.148 | 970.763.651 | 2.380.585.799 | ||||||||||