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Financial assets at amortized cost - Summary of Debt Securities Held (Details) - ARS ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
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Disclosure Of Detailed Information About Debt Securities Held [Line Items] |  |
Debt instruments held | $ 152,528,570 | $ 182,535,735
Gross carrying amount | Argentine Treasury Bond | Argentine Treasury Bond in pesos. Maturity 08-23-2025 |  |
Disclosure Of Detailed Information About Debt Securities Held [Line Items] |  |
Debt instruments held | 125,492,302 | 107,798,424
Gross carrying amount | Argentine Treasury Bond | Argentine Treasury Bond in pesos. Maturity 05-23-2027 |  |
Disclosure Of Detailed Information About Debt Securities Held [Line Items] |  |
Debt instruments held | $ 24,039,592 | $ 70,570,093
Gross carrying amount | Argentine Treasury Bond | Argentine Treasury Bond in pesos at 0.7% Badlar Private Rate. Maturity 11-23-2027 |  |
Disclosure Of Detailed Information About Debt Securities Held [Line Items] |  |
Debt instrument percentage | 0.70% | 0.70%
Debt instruments held | $ 10,372,413 | $ 32,167,645
Allowances for ECL |  |
Disclosure Of Detailed Information About Debt Securities Held [Line Items] |  |
Debt instruments held | $ (7,375,737) | $ (28,000,427)

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- Definition The amount of instruments representing indebtedness, including instruments called debt securities, held by the entity. + 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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