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Loans to Customers - Schedule of Provision Expenses on Loans to Customers (Details) - KZT (₸) ₸ in Millions | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Disclosure of loans to customers [line items] |  |  |
Provision expenses on loans to customers | ₸ (110,293) | ₸ (76,888) | ₸ (53,245)

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- Definition Disclosure Of Loans to customers. + References No definition available. + Details
Name: | kspi_DisclosureOfLoansToCustomersLineItems
Namespace Prefix: | kspi_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Provision expenses on loans to customers. + References No definition available. + Details
Name: | kspi_ProvisionExpensesOnLoansToCustomers
Namespace Prefix: | kspi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration