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Financial assets at fair value through other comprehensive income - Disclosure Of Voluntary Debt Swap (Details) - ARS ($) $ in Thousands | Jun. 30, 2023 | Mar. 31, 2023
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April 28, 2023 [member] |  |
Disclosure Of Voluntary Debt Swap [Line Items] |  |
Voluntary debt swap securities delivered |  | $ 19,027,714,460
May 19, 2023 [member] |  |
Disclosure Of Voluntary Debt Swap [Line Items] |  |
Voluntary debt swap securities delivered |  | 7,000,000,000
May 31, 2023 [member] |  |
Disclosure Of Voluntary Debt Swap [Line Items] |  |
Voluntary debt swap securities delivered |  | 6,840,800,244
June 30, 2023 [member] |  |
Disclosure Of Voluntary Debt Swap [Line Items] |  |
Voluntary debt swap securities delivered |  | 5,532,343,136
April 14, 2024 [member] |  |
Disclosure Of Voluntary Debt Swap [Line Items] |  |
Volunary Debt Swap Securities Received |  | 13,237,176,685
October 14, 2024 [member] |  |
Disclosure Of Voluntary Debt Swap [Line Items] |  |
Volunary Debt Swap Securities Received |  | 17,649,568,913
February 14, 2025 [member] |  |
Disclosure Of Voluntary Debt Swap [Line Items] |  |
Volunary Debt Swap Securities Received |  | $ 13,237,176,685
June 16, 2023 [member] |  |
Disclosure Of Voluntary Debt Swap [Line Items] |  |
Voluntary debt swap securities delivered | $ 2,159,998,000 |
July 18, 2023 [member] |  |
Disclosure Of Voluntary Debt Swap [Line Items] |  |
Voluntary debt swap securities delivered | 35,863,500,000 |
August 13, 2023 [member] |  |
Disclosure Of Voluntary Debt Swap [Line Items] |  |
Voluntary debt swap securities delivered | 3,622,490,577 |
December 13, 2024 [member] |  |
Disclosure Of Voluntary Debt Swap [Line Items] |  |
Voluntary debt swap securities delivered | $ 71,442,000,014 |

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