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Corporate Bonds Issuance - Summary of Corporate Bond Liabilities (Detail) | Dec. 31, 2020 ARS ($) | Dec. 31, 2020 USD ($) | Dec. 31, 2019 ARS ($)
--- | --- | --- | ---
Disclosure of external credit grades [line items] |  |  |
Corporate bonds issuance | $ 39,227,193 |  | $ 40,619,860
Subordinated Resettable - Class A [member] |  |  |
Disclosure of external credit grades [line items] |  |  |
Original value |  | $ 400,000,000 |
Residual face value |  | $ 400,000,000 |
Corporate bonds issuance | 34,300,292 |  | 33,098,040
Non-subordinated – Class B [member] |  |  |
Disclosure of external credit grades [line items] |  |  |
Original value | 4,620,570,000 |  |
Residual face value | 2,889,191,000 |  |
Corporate bonds issuance | 2,430,823 |  | 3,950,950
Non-subordinated – Class C [member] |  |  |
Disclosure of external credit grades [line items] |  |  |
Original value | 3,207,500,000 |  |
Residual face value | 2,413,000,000 |  |
Corporate bonds issuance | $ 2,496,078 |  | $ 3,570,870

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