Revenue - Summary of Rewards Earned By Retail Customers are Deducted From Revenue (Details) - KZT (₸) ₸ in Millions	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Revenue [abstract]
REVENUE	₸ 1,913,490	₸ 1,270,592	₸ 884,822
Fee revenue	1,027,545	724,742	519,474
Interest revenue	833,516	574,426	422,075
Retail Revenue	68,807
Rewards	(39,578)	(44,960)	(51,981)
Other gains (losses)	₸ 23,200	₸ 16,384	₸ (4,746)

The income arising in the course of an entity's ordinary activities. Income is increases in assets, or decreases in liabilities, that result in increases in equity, other than those relating to contributions from holders of equity claims.

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+ Details