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Related parties - Transactions And Balances With Associated Company Except Key Management Personnel (Details) - ARS ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Transactions and Balances with Associated Company Except Key Management Personnel [Line Items] |  |  |
Interest income | $ 4,696,241,574 | $ 6,933,449,775 | $ 4,267,782,358
Fee and commission income | 548,839,620 | 553,863,559 | 537,969,789
Interest expense | (1,767,275,340) | (3,389,943,816) | (1,970,167,737)
Fee and commission expense | (266,256,295) | (251,270,573) | (220,994,595)
Gains (Losses) on financial assets and liabilities at fair value through profit or loss, net | 152,692,993 | (45,061,608) | 101,054,719
Exchange differences, net | 54,636,460 | 457,541,435 | 54,772,068
Other operating income | 142,790,472 | 146,440,914 | 143,506,300
Other operating expenses | (491,172,138) | (571,855,776) | (418,543,458)
Subsidiaries, Associates, And Joint Ventures |  |  |
Transactions and Balances with Associated Company Except Key Management Personnel [Line Items] |  |  |
Interest income | 53,916,589 | 67,852,231 | 44,920,120
Fee and commission income | 15,020,713 | 10,307,386 | 10,627,037
Interest expense | (3,337,615) | (10,823,638) | (2,811,381)
Fee and commission expense | (6,566,737) | (7,750,847) | (1,073,806)
Gains (Losses) on financial assets and liabilities at fair value through profit or loss, net | 1,033,237 | 329,316 | 694,299
Exchange differences, net | 23,584 | 2,877 | 0
Other operating income | 4,971,171 | 5,764,801 | 6,213,396
Other administrative expenses | (396,535) | (1,920,484) | 207,656
Other operating expenses | (415) | 0 | $ 0
Loans and advances |  |  |
Transactions and Balances with Associated Company Except Key Management Personnel [Line Items] |  |  |
Balances with subsidiaries, associates, and joint ventures | 116,885,234 | 59,992,599 |
Derivatives (Assets) |  |  |
Transactions and Balances with Associated Company Except Key Management Personnel [Line Items] |  |  |
Balances with subsidiaries, associates, and joint ventures | 593,293 | 0 |
Other financial assets |  |  |
Transactions and Balances with Associated Company Except Key Management Personnel [Line Items] |  |  |
Balances with subsidiaries, associates, and joint ventures | 2,959,252 | 954,173 |
Deposits |  |  |
Transactions and Balances with Associated Company Except Key Management Personnel [Line Items] |  |  |
Balances with subsidiaries, associates, and joint ventures | 39,662,467 | 31,143,439 |
Other liabilities |  |  |
Transactions and Balances with Associated Company Except Key Management Personnel [Line Items] |  |  |
Balances with subsidiaries, associates, and joint ventures | 1,679,936 | 2,883,532 |
Securities in custody |  |  |
Transactions and Balances with Associated Company Except Key Management Personnel [Line Items] |  |  |
Balances with subsidiaries, associates, and joint ventures | 22,764,296 | 46,334,059 |
Guarantees received |  |  |
Transactions and Balances with Associated Company Except Key Management Personnel [Line Items] |  |  |
Balances with subsidiaries, associates, and joint ventures | 167,855 | 0 |
Guarantees granted |  |  |
Transactions and Balances with Associated Company Except Key Management Personnel [Line Items] |  |  |
Balances with subsidiaries, associates, and joint ventures | $ 167,855 | $ 610,825 |

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