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Contingent Transactions - Summary of Contingent Transactions (Detail) - ARS ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Disclosure of contingent liabilities [line items] |  |
Less: Allowance for ECL | $ (353,085) | $ (35,018)
Contingent transactions, total | 224,707,297 | 147,752,444
Undrawn commitments of credit cards and checking accounts [Member] |  |
Disclosure of contingent liabilities [line items] |  |
Contingent transactions, total | 221,916,659 | 143,727,073
Guarantees granted [member] |  |
Disclosure of contingent liabilities [line items] |  |
Contingent transactions, total | 2,271,180 | 1,936,233
Overdraft and unused agreed commitments [member] |  |
Disclosure of contingent liabilities [line items] |  |
Contingent transactions, total | 872,543 | 782,793
Letters of credit [member] |  |
Disclosure of contingent liabilities [line items] |  |
Contingent transactions, total |  | 1,341,363
Gross carrying amount [member] |  |
Disclosure of contingent liabilities [line items] |  |
Contingent transactions, total | $ 225,060,382 | $ 147,787,462

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