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Financial assets at amortized cost - Summary of Loans and Advances to Customers (Details) - ARS ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Disclosure of financial assets [line items] |  |
Loans and advances to customers | $ 7,479,338,394 | $ 4,267,933,731
Gross carrying amount | Credit Cards |  |
Disclosure of financial assets [line items] |  |
Loans and advances to customers | 2,052,689,770 | 1,530,126,592
Gross carrying amount | Notes |  |
Disclosure of financial assets [line items] |  |
Loans and advances to customers | 1,098,210,199 | 692,636,024
Gross carrying amount | Loans for the prefinancing and financing of exports |  |
Disclosure of financial assets [line items] |  |
Loans and advances to customers | 1,003,823,052 | 333,614,287
Gross carrying amount | Consumer loans |  |
Disclosure of financial assets [line items] |  |
Loans and advances to customers | 814,048,729 | 330,607,096
Gross carrying amount | Other financing |  |
Disclosure of financial assets [line items] |  |
Loans and advances to customers | 810,925,119 | 451,036,300
Gross carrying amount | Commercial papers |  |
Disclosure of financial assets [line items] |  |
Loans and advances to customers | 730,263,083 | 316,217,724
Gross carrying amount | Overdrafts |  |
Disclosure of financial assets [line items] |  |
Loans and advances to customers | 643,005,825 | 384,385,683
Gross carrying amount | Real estate mortgage |  |
Disclosure of financial assets [line items] |  |
Loans and advances to customers | 234,142,459 | 172,913,557
Gross carrying amount | Pledge loans |  |
Disclosure of financial assets [line items] |  |
Loans and advances to customers | 178,348,891 | 96,545,542
Gross carrying amount | Loans to employees |  |
Disclosure of financial assets [line items] |  |
Loans and advances to customers | 44,164,421 | 22,361,108
Gross carrying amount | Receivables from financial leases |  |
Disclosure of financial assets [line items] |  |
Loans and advances to customers | 25,671,951 | 27,698,842
Gross carrying amount | Documents purchased |  |
Disclosure of financial assets [line items] |  |
Loans and advances to customers | 920,747 | 6,566,782
Allowances for ECL |  |
Disclosure of financial assets [line items] |  |
Loans and advances to customers | $ (156,875,852) | $ (96,775,806)

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- Definition The amount of loans and advances the entity has made to customers. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 55 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_55&doctype=Standard -URIDate 2024-03-27 + Details
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