Provision Expense - Additional Information (Details) - KZT (₸) ₸ in Millions	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Financial assets at FVTOCI
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items]
Allowance for impairment losses	₸ 1,178	₸ 1,408	₸ 738

The decrease in financial assets resulting from write-off. [Refer: Financial assets]

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