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Financial assets at amortized cost - Summary of Other Financial Assets (Details) $ in Thousands, $ in Thousands | Mar. 18, 2022 USD ($) | Dec. 31, 2024 ARS ($) | Dec. 31, 2023 ARS ($) | Oct. 01, 2021
--- | --- | --- | --- | ---
Disclosure of financial assets [line items] |  |  |  |
Other financial assets |  | $ 590,310,435 | $ 372,837,937 |
Percentage of equity investments disposal consideration | 30.00% |  |  |
Nominal rate of equity investments disposal consideration | 15.00% |  |  |
Equity investments disposal payments term (in years) | six years |  |  |
Leases in U.S. dollars |  |  |  |
Disclosure of financial assets [line items] |  |  |  |
Percentage of equity investments disposal consideration | 70.00% |  |  |
Nominal rate of equity investments disposal consideration | 10.00% |  |  |
Prisma Medios de Pago S.A. |  |  |  |
Disclosure of financial assets [line items] |  |  |  |
Percentage of capital stock to be sold |  |  |  | 49.00%
Equity investments disposal consideration | $ 40,038,122 |  |  |
Gross carrying amount | Financial assets pledged as collateral |  |  |  |
Disclosure of financial assets [line items] |  |  |  |
Other financial assets |  | 337,967,647 | 176,041,364 |
Gross carrying amount | Sundry debtors |  |  |  |
Disclosure of financial assets [line items] |  |  |  |
Other financial assets |  | 144,335,268 | 107,559,147 |
Gross carrying amount | Receivables from sale of ownership interest in Prisma Medios de Pago S.A. |  |  |  |
Disclosure of financial assets [line items] |  |  |  |
Other financial assets |  | 34,869,174 | 88,138,521 |
Gross carrying amount | Receivable from financial institution for spot transactions pending settlement |  |  |  |
Disclosure of financial assets [line items] |  |  |  |
Other financial assets |  | 64,541,525 | 2,007,555 |
Gross carrying amount | Receivable from non-financial institution for spot transactions pending settlement |  |  |  |
Disclosure of financial assets [line items] |  |  |  |
Other financial assets |  | 9,746,206 | 1,904,520 |
Gross carrying amount | Others |  |  |  |
Disclosure of financial assets [line items] |  |  |  |
Other financial assets |  | 657,095 | 276,761 |
Allowances for ECL |  |  |  |
Disclosure of financial assets [line items] |  |  |  |
Other financial assets |  | $ (1,806,480) | $ (3,089,931) |

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