| Sunum Para Birimi | 1.000 TL | 
| Finansal Tablo Niteliği | Konsolide | 
| 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 | 
 | 462.974.333 | 418.655.173 | 881.629.506 | 331.294.428 | 301.020.584 | 632.315.012 | ||||||||||
| ifrs-full_CashAndCashEquivalents| | 
 | 1.1 | 294.276.160 | 371.966.965 | 666.243.125 | 219.513.565 | 259.413.668 | 478.927.233 | |||||||||
| kap-fr_CashAndCashBalancesAtCentralBanks|http://www.xbrl.org/2003/role/terseLabel | 
 | 266.915.441 | 306.394.267 | 573.309.708 | 210.221.739 | 205.294.473 | 415.516.212 | ||||||||||
| kap-fr_Banks| | 
 | 1.4.1 | 27.426.004 | 65.789.954 | 93.215.958 | 9.402.784 | 54.343.315 | 63.746.099 | |||||||||
| kap-fr_ReceivablesFromMoneyMarkets| | 
 | 1.4.2 | 0 | 0 | |||||||||||||
| kap-fr_AllowanceForExpectedCreditLossesForCashAndCashEquivalents|http://www.xbrl.org/2009/role/negatedLabel | 
 | -65.285 | -217.256 | -282.541 | -110.958 | -224.120 | -335.078 | ||||||||||
| ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLoss| | 
 | 1.2 | 2.753.652 | 1.268.328 | 4.021.980 | 1.203.080 | 1.700.282 | 2.903.362 | |||||||||
| kap-fr_PublicSectorDebtSecuritiesAtFairValueThroughProfitOrLoss|http://www.xbrl.org/2003/role/terseLabel | 
 | 278.349 | 278.349 | 292.948 | 292.948 | ||||||||||||
| kap-fr_EquityInstrumentsAtFairValueThroughProfitOrLoss|http://www.xbrl.org/2003/role/terseLabel | 
 | 19.691 | 19.691 | 9.264 | 9.264 | ||||||||||||
| kap-fr_OtherFinancialAssetsAtFairValueThroughProfitOrLoss|http://www.xbrl.org/2003/role/terseLabel | 
 | 2.733.961 | 989.979 | 3.723.940 | 1.193.816 | 1.407.334 | 2.601.150 | ||||||||||
| ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncome|http://www.xbrl.org/2003/role/terseLabel | 
 | 1.5,1.6 | 155.093.199 | 36.142.288 | 191.235.487 | 104.395.790 | 29.293.722 | 133.689.512 | |||||||||
| kap-fr_PublicSectorDebtSecuritiesAtFairValueThroughOtherComprehensiveIncome|http://www.xbrl.org/2003/role/terseLabel | 
 | 154.732.625 | 36.074.388 | 190.807.013 | 104.125.343 | 29.036.704 | 133.162.047 | ||||||||||
| kap-fr_EquityInstrumentsAtFairValueThroughOtherComprehensiveIncome|http://www.xbrl.org/2003/role/terseLabel | 
 | 241.798 | 63.464 | 305.262 | 204.694 | 22.563 | 227.257 | ||||||||||
| kap-fr_OtherFinancialAssetsAtFairValueThroughOtherComprehensiveIncome|http://www.xbrl.org/2003/role/terseLabel | 
 | 118.776 | 4.436 | 123.212 | 65.753 | 234.455 | 300.208 | ||||||||||
| ifrs-full_DerivativeFinancialAssets| | 
 | 1.3 | 10.851.322 | 9.277.592 | 20.128.914 | 6.181.993 | 10.612.912 | 16.794.905 | |||||||||
| kap-fr_DerivativeFinancialAssetsAtFairValueThroughProfitOrLoss| | 
 | 10.778.801 | 7.773.201 | 18.552.002 | 5.637.670 | 8.771.398 | 14.409.068 | ||||||||||
| kap-fr_DerivativeFinancialAssetsAtFairValueThroughOtherComprehensiveIncome| | 
 | 72.521 | 1.504.391 | 1.576.912 | 544.323 | 1.841.514 | 2.385.837 | ||||||||||
| ifrs-full_FinancialAssetsAtAmortisedCost|http://www.xbrl.org/2009/role/netLabel | 
 | 1.374.154.723 | 801.683.606 | 2.175.838.329 | 1.119.765.719 | 588.148.948 | 1.707.914.667 | ||||||||||
| kap-fr_Loans| | 
 | 1.7 | 1.135.635.400 | 612.085.236 | 1.747.720.636 | 873.801.596 | 430.397.373 | 1.304.198.969 | |||||||||
| kap-fr_ReceivablesFromLeasingTransactions| | 
 | 1.12 | 12.618.600 | 44.620.977 | 57.239.577 | 13.288.115 | 26.997.956 | 40.286.071 | |||||||||
| kap-fr_FactoringReceivables| | 
 | 19.935.374 | 8.892.371 | 28.827.745 | 17.789.116 | 6.593.152 | 24.382.268 | ||||||||||
| kap-fr_FinancialAssetsMeasuredAtAmortisedCost|http://www.xbrl.org/2003/role/terseLabel | 
 | 1.8 | 251.437.488 | 152.865.810 | 404.303.298 | 250.375.315 | 137.550.062 | 387.925.377 | |||||||||
| kap-fr_PublicSectorDebtSecuritiesMeasuredAtAmortisedCost|http://www.xbrl.org/2003/role/terseLabel | 
 | 248.154.807 | 138.481.067 | 386.635.874 | 241.778.828 | 122.375.621 | 364.154.449 | ||||||||||
| kap-fr_OtherFinancialAssetsMeasuredAtAmortisedCost|http://www.xbrl.org/2003/role/terseLabel | 
 | 3.282.681 | 14.384.743 | 17.667.424 | 8.596.487 | 15.174.441 | 23.770.928 | ||||||||||
| kap-fr_AllowanceForExpectedCreditLosses|http://www.xbrl.org/2009/role/negatedLabel | 
 | -45.472.139 | -16.780.788 | -62.252.927 | -35.488.423 | -13.389.595 | -48.878.018 | ||||||||||
| kap-fr_NonCurrentAssetsClassifiedAsHeldForSaleAndDiscontinuedOperations|http://www.xbrl.org/2009/role/netLabel | 
 | 1.15 | 1.167.408 | 108.721 | 1.276.129 | 560.125 | 59.186 | 619.311 | |||||||||
| kap-fr_NonCurrentAssetsClassifiedAsHeldForSale|http://www.xbrl.org/2003/role/terseLabel | 
 | 1.167.408 | 108.721 | 1.276.129 | 560.125 | 59.186 | 619.311 | ||||||||||
| kap-fr_NonCurrentAssetsFromDiscontinuedOperations|http://www.xbrl.org/2003/role/terseLabel | 
 | 0 | 0 | ||||||||||||||
| ifrs-full_InvestmentsInSubsidiariesJointVenturesAndAssociates|http://www.mkk.com.tr/2015/role/standartCapitalsLabel | 
 | 2.902.307 | 10.810.228 | 13.712.535 | 1.577.432 | 7.820.018 | 9.397.450 | ||||||||||
| ifrs-full_InvestmentsInAssociates|http://www.mkk.com.tr/2015/role/tersenetLabel | 
 | 1.9 | 2.244.991 | 10.810.228 | 13.055.219 | 1.545.116 | 7.820.018 | 9.365.134 | |||||||||
| kap-fr_AssociatesAccountedforUsingEquityMethod|http://www.xbrl.org/2003/role/terseLabel | 
 | 2.005.735 | 10.810.228 | 12.815.963 | 1.506.670 | 7.820.018 | 9.326.688 | ||||||||||
| kap-fr_UnconsolidatedAssociatesAccountedForUsingEquityMethod| | 
 | 239.256 | 239.256 | 38.446 | 38.446 | ||||||||||||
| ifrs-full_InvestmentsInSubsidiaries|http://www.mkk.com.tr/2015/role/tersenetLabel | 
 | 1.10 | 657.316 | 0 | 657.316 | 32.316 | 0 | 32.316 | |||||||||
| kap-fr_UnconsolidatedFinancialSubsidiaries| | 
 | 0 | 0 | ||||||||||||||
| kap-fr_UnconsolidatedNonfinancialSubsidiaries| | 
 | 657.316 | 657.316 | 32.316 | 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 | ||||||||||||||
| kap-fr_UnconsolidatedJointlyControlledPartnerships|http://www.xbrl.org/2003/role/verboseLabel | 
 | 0 | 0 | ||||||||||||||
| kap-fr_TangibleAssets|http://www.xbrl.org/2009/role/netLabel | 
 | 41.461.402 | 553.776 | 42.015.178 | 30.515.068 | 417.471 | 30.932.539 | ||||||||||
| ifrs-full_IntangibleAssetsAndGoodwill|http://www.xbrl.org/2009/role/netLabel | 
 | 4.449.690 | 458.655 | 4.908.345 | 3.170.046 | 233.175 | 3.403.221 | ||||||||||
| ifrs-full_Goodwill| | 
 | 0 | 0 | ||||||||||||||
| ifrs-full_IntangibleAssetsOtherThanGoodwill|http://www.xbrl.org/2003/role/terseLabel | 
 | 4.449.690 | 458.655 | 4.908.345 | 3.170.046 | 233.175 | 3.403.221 | ||||||||||
| ifrs-full_InvestmentProperty|http://www.xbrl.org/2009/role/netLabel | 
 | 1.13 | 0 | 0 | |||||||||||||
| ifrs-full_CurrentTaxAssets|http://www.mkk.com.tr/2015/role/standartCapitalsLabel | 
 | 4.261.878 | 39.165 | 4.301.043 | 4.228.487 | 4.228.487 | |||||||||||
| ifrs-full_DeferredTaxAssets|http://www.mkk.com.tr/2015/role/standartCapitalsLabel | 
 | 1.14 | 5.242.388 | 488 | 5.242.876 | 13.185.424 | 1.102 | 13.186.526 | |||||||||
| ifrs-full_OtherAssets|http://www.xbrl.org/2009/role/netLabel | 
 | 1.16 | 171.553.276 | 47.082.315 | 218.635.591 | 98.992.057 | 52.891.514 | 151.883.571 | |||||||||
| ifrs-full_Assets|http://www.mkk.com.tr/2015/role/terseTotalLabel | 
 | 2.068.167.405 | 1.279.392.127 | 3.347.559.532 | 1.603.288.786 | 950.591.998 | 2.553.880.784 | ||||||||||
| ifrs-full_EquityAndLiabilitiesAbstract|http://www.mkk.com.tr/2015/role/capslockLabel | 
 | ||||||||||||||||
| kap-fr_Deposits|http://www.mkk.com.tr/2015/role/standartCapitalsLabel | 
 | 2.1 | 983.463.626 | 811.569.534 | 1.795.033.160 | 812.228.502 | 562.028.901 | 1.374.257.403 | |||||||||
| ifrs-full_LoansReceived|http://www.mkk.com.tr/2015/role/standartCapitalsLabel | 
 | 2.3.1 | 72.958.587 | 302.266.805 | 375.225.392 | 91.489.493 | 205.840.908 | 297.330.401 | |||||||||
| kap-fr_MoneyMarketFunds|http://www.mkk.com.tr/2015/role/standartCapitalsLabel | 
 | 215.178.626 | 5.648.495 | 220.827.121 | 179.579.140 | 16.431.455 | 196.010.595 | ||||||||||
| kap-fr_MarketableSecuritiesIssued|http://www.xbrl.org/2009/role/netLabel | 
 | 2.3.3 | 21.521.918 | 242.121.658 | 263.643.576 | 10.527.536 | 140.642.182 | 151.169.718 | |||||||||
| kap-fr_BillsIssued|http://www.xbrl.org/2003/role/terseLabel | 
 | 21.169.128 | 21.169.128 | 10.198.915 | 51.438.572 | 61.637.487 | |||||||||||
| kap-fr_AssetBackedSecuritiesIssued|http://www.xbrl.org/2003/role/terseLabel | 
 | 49.376.098 | 49.376.098 | 17.806.761 | 17.806.761 | ||||||||||||
| ifrs-full_BondsIssued|http://www.xbrl.org/2003/role/verboseLabel | 
 | 352.790 | 192.745.560 | 193.098.350 | 328.621 | 71.396.849 | 71.725.470 | ||||||||||
| kap-fr_Funds| | 
 | 0 | 0 | 0 | 0 | 0 | 0 | ||||||||||
| kap-fr_BorrowerFunds|http://www.xbrl.org/2003/role/terseLabel | 
 | 0 | 0 | ||||||||||||||
| kap-fr_OtherFunds|http://www.xbrl.org/2003/role/terseLabel | 
 | 0 | 0 | ||||||||||||||
| kap-fr_FinancialLiabilitieAtFairValueThroughProfitOrLoss|http://www.mkk.com.tr/2015/role/standartCapitalsLabel | 
 | 2.3.4 | 62.153.439 | 62.153.439 | 75.234.394 | 75.234.394 | |||||||||||
| kap-fr_DerivativeFinancialLiabilities|http://www.mkk.com.tr/2015/role/standartCapitalsLabel | 
 | 2.2 | 10.042.286 | 5.349.961 | 15.392.247 | 13.383.546 | 5.582.709 | 18.966.255 | |||||||||
| kap-fr_DerivativeFinancialLiabilitiesAtFairValueThroughProfitOrLoss| | 
 | 10.041.793 | 5.325.364 | 15.367.157 | 13.383.546 | 5.582.709 | 18.966.255 | ||||||||||
| kap-fr_DerivativeFinancialLiabilitiesAtFairValueThroughOtherComprehensiveIncome| | 
 | 493 | 24.597 | 25.090 | 0 | ||||||||||||
| kap-fr_FactoringPayables|http://www.mkk.com.tr/2015/role/capslockLabel | 
 | 0 | 0 | ||||||||||||||
| kap-fr_LeasePayables|http://www.mkk.com.tr/2015/role/tersenetLabel | 
 | 2.5 | 6.614.486 | 473.322 | 7.087.808 | 5.046.173 | 353.613 | 5.399.786 | |||||||||
| ifrs-full_Provisions|http://www.mkk.com.tr/2015/role/standartCapitalsLabel | 
 | 2.6 | 24.263.612 | 1.066.933 | 25.330.545 | 20.857.723 | 716.643 | 21.574.366 | |||||||||
| kap-fr_ProvisionForRestructuring| | 
 | 0 | 0 | ||||||||||||||
| kap-fr_ReservesForEmployeeBenefits| | 
 | 2.6.1 | 5.275.246 | 12.916 | 5.288.162 | 3.922.614 | 14.281 | 3.936.895 | |||||||||
| kap-fr_InsuranceTechnicalReserves|http://www.xbrl.org/2009/role/netLabel | 
 | 0 | 0 | ||||||||||||||
| ifrs-full_OtherProvisions| | 
 | 2.6.3 | 18.988.366 | 1.054.017 | 20.042.383 | 16.935.109 | 702.362 | 17.637.471 | |||||||||
| ifrs-full_CurrentTaxLiabilities|http://www.mkk.com.tr/2015/role/standartCapitalsLabel | 
 | 2.7 | 14.207.356 | 237.631 | 14.444.987 | 9.443.366 | 246.863 | 9.690.229 | |||||||||
| ifrs-full_DeferredTaxLiabilities|http://www.mkk.com.tr/2015/role/standartCapitalsLabel | 
 | 19.545 | 19.545 | 6.810 | 6.810 | ||||||||||||
| 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 | ||||||||||||||
| kap-fr_LiabilitiesRelatedToDiscontinuedOperations|http://www.xbrl.org/2003/role/terseLabel | 
 | 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 | ||||||||||||||
| 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 | 203.335.509 | 27.802.179 | 231.137.688 | 132.329.936 | 17.165.747 | 149.495.683 | |||||||||
| ifrs-full_Equity|http://www.mkk.com.tr/2015/role/standartCapitalsLabel | 
 | 2.10 | 238.887.054 | 2.407.600 | 241.294.654 | 191.341.717 | 1.471.829 | 192.813.546 | |||||||||
| ifrs-full_IssuedCapital| | 
 | 8.447.051 | 8.447.051 | 8.447.051 | 8.447.051 | ||||||||||||
| kap-fr_CapitalReserves| | 
 | 2.358.261 | 0 | 2.358.261 | 2.268.850 | 0 | 2.268.850 | ||||||||||
| ifrs-full_SharePremium|http://www.xbrl.org/2003/role/terseLabel | 
 | 556.937 | 556.937 | 556.937 | 556.937 | ||||||||||||
| kap-fr_ShareCancellationProfits| | 
 | 0 | 0 | ||||||||||||||
| kap-fr_OtherCapitalReserves| | 
 | 1.801.324 | 1.801.324 | 1.711.913 | 1.711.913 | ||||||||||||
| kap-fr_OtherAccumulatedComprehensiveIncomeThatWillNotBeReclassifiedInProfitOrLoss|http://www.xbrl.org/2003/role/verboseLabel | 
 | 12.741.867 | 471.674 | 13.213.541 | 6.620.513 | 77.931 | 6.698.444 | ||||||||||
| kap-fr_OtherAccumulatedComprehensiveIncomeThatWillBeReclassifiedInProfitOrLoss|http://www.xbrl.org/2003/role/verboseLabel | 
 | 3.735.456 | 1.977.333 | 5.712.789 | -230.396 | 1.435.305 | 1.204.909 | ||||||||||
| kap-fr_ProfitReserves| | 
 | 172.148.179 | -41.407 | 172.106.772 | 143.574.250 | -41.407 | 143.532.843 | ||||||||||
| kap-fr_LegalReserves| | 
 | 3.473.904 | 3.473.904 | 3.473.904 | 3.473.904 | ||||||||||||
| kap-fr_StatutoryReserves| | 
 | 0 | 0 | ||||||||||||||
| kap-fr_ExtraordinaryReserves| | 
 | 168.639.021 | -41.407 | 168.597.614 | 140.065.092 | -41.407 | 140.023.685 | ||||||||||
| kap-fr_OtherProfitReserves| | 
 | 35.254 | 35.254 | 35.254 | 35.254 | ||||||||||||
| kap-fr_ProfitOrLossClassifiedInEquity|http://www.xbrl.org/2003/role/terseLabel | 
 | 39.449.821 | 0 | 39.449.821 | 30.656.777 | 0 | 30.656.777 | ||||||||||
| kap-fr_PriorYearsProfitsOrLosses|http://www.xbrl.org/2003/role/verboseLabel | 
 | 1.639.954 | 1.639.954 | 1.639.954 | 1.639.954 | ||||||||||||
| kap-fr_CurrentPeriodNetProfitOrLossClassifiedInEquity|http://www.mkk.com.tr/2015/role/tersenetLabel | 
 | 37.809.867 | 37.809.867 | 29.016.823 | 29.016.823 | ||||||||||||
| ifrs-full_NoncontrollingInterests|http://www.xbrl.org/2003/role/terseLabel | 
 | 6.419 | 6.419 | 4.672 | 4.672 | ||||||||||||
| ifrs-full_EquityAndLiabilities|http://www.xbrl.org/2003/role/totalLabel | 
 | 1.791.605.243 | 1.555.954.289 | 3.347.559.532 | 1.467.528.796 | 1.086.351.988 | 2.553.880.784 | ||||||||||