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Debt Securities at Fair Value Through Profit or Loss - Summary of Debt Securities at Fair Value Through Profit or Loss (Detail) - ARS ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
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Disclosure of debt securities at fair value through profit or loss [line items] |  |
Debt securities at fair value through profit or loss | $ 32,406,588 | $ 82,991,433
Government securities [member] |  |
Disclosure of debt securities at fair value through profit or loss [line items] |  |
Debt securities at fair value through profit or loss | 30,631,174 | 82,420,193
Government securities [member] | Other [member] |  |
Disclosure of debt securities at fair value through profit or loss [line items] |  |
Debt securities at fair value through profit or loss | 1,698,409 | 79,284,060
Government securities [member] | Level 1 [member] | Federal government treasury bonds in pesos adjusted by the Reference Stabilization Coefficient (CER, for its acronym in Spanish) - Maturity: 09-20-2022 |  |
Disclosure of debt securities at fair value through profit or loss [line items] |  |
Debt securities at fair value through profit or loss | 8,658,840 | 6
Government securities [member] | Level 1 [member] | Federal government bonds in pesos - Private Badlar +200 PB - Maturity: 04-03-2022 |  |
Disclosure of debt securities at fair value through profit or loss [line items] |  |
Debt securities at fair value through profit or loss | 7,335,099 | 805,465
Government securities [member] | Level 1 [member] | Federal government treasury bonds in pesos adjusted by CER - Maturity: 03-25-2023 |  |
Disclosure of debt securities at fair value through profit or loss [line items] |  |
Debt securities at fair value through profit or loss | 3,850,233 | 1,471,088
Government securities [member] | Level 1 [member] | Federal government treasury bonds in pesos adjusted by CER - Maturity: 03-25-2024 |  |
Disclosure of debt securities at fair value through profit or loss [line items] |  |
Debt securities at fair value through profit or loss | 3,728,494 | 380,503
Government securities [member] | Level 1 [member] | Federal government treasury bonds in pesos adjusted by CER - Maturity: 03-06-2023 |  |
Disclosure of debt securities at fair value through profit or loss [line items] |  |
Debt securities at fair value through profit or loss | 1,712,024 | 4,101
Government securities [member] | Level 1 [member] | Letters of National Estate in pesos adjusted by CER to discount - Maturity: 06-30-2022 |  |
Disclosure of debt securities at fair value through profit or loss [line items] |  |
Debt securities at fair value through profit or loss | 1,344,588 |
Government securities [member] | Level 1 [member] | Letters of National Estate in pesos adjusted by CER to discount - Maturity: 07-29-2022 |  |
Disclosure of debt securities at fair value through profit or loss [line items] |  |
Debt securities at fair value through profit or loss | 691,785 |
Government securities [member] | Level 1 [member] | Letters of National Estate in pesos adjusted by CER to discount - Maturity: 05-23-2022 |  |
Disclosure of debt securities at fair value through profit or loss [line items] |  |
Debt securities at fair value through profit or loss | 633,229 |
Government securities [member] | Level 1 [member] | Federal government treasury bonds in pesos adjusted by CER - Maturity: 11-09-2026 |  |
Disclosure of debt securities at fair value through profit or loss [line items] |  |
Debt securities at fair value through profit or loss | 621,469 | 474,970
Government securities [member] | Level 1 [member] | Letters of National treasury to discount in pesos - Maturity: 12-31-2021 |  |
Disclosure of debt securities at fair value through profit or loss [line items] |  |
Debt securities at fair value through profit or loss | 357,004 |
Private securities [member] |  |
Disclosure of debt securities at fair value through profit or loss [line items] |  |
Debt securities at fair value through profit or loss | 1,775,414 | 571,240
Private securities [member] | Other [member] |  |
Disclosure of debt securities at fair value through profit or loss [line items] |  |
Debt securities at fair value through profit or loss | 73,317 | 3,563
Private securities [member] | Level 1 [member] | Corporate bonds Arcor SAIC Class 009 - Maturity: 07-06-2023 |  |
Disclosure of debt securities at fair value through profit or loss [line items] |  |
Debt securities at fair value through profit or loss | 132,435 |
Private securities [member] | Level 1 [member] | Corporate bonds Pan American Energy Argentina SL Class 012 - Maturity: 04-30-2027 |  |
Disclosure of debt securities at fair value through profit or loss [line items] |  |
Debt securities at fair value through profit or loss | 132,161 |
Private securities [member] | Level 1 [member] | Corporate Bonds Tecpetrol SA CLASS 001 - Maturity: 12-12-2022 |  |
Disclosure of debt securities at fair value through profit or loss [line items] |  |
Debt securities at fair value through profit or loss | 108,760 |
Private securities [member] | Level 1 [member] | Corporate Bonds Genneia SA Class 030 - Maturity: 11-24-2022 |  |
Disclosure of debt securities at fair value through profit or loss [line items] |  |
Debt securities at fair value through profit or loss | 104,312 |
Private securities [member] | Level 1 [member] | Corporate bonds Telecom Argentina SA Class 001 - Maturity: 07-18-2026 |  |
Disclosure of debt securities at fair value through profit or loss [line items] |  |
Debt securities at fair value through profit or loss | 40,524 |
Private securities [member] | Level 2 [member] | Corporate bonds Pan American Energy Argentina SL Class 009 - Maturity: 11-15-2023 |  |
Disclosure of debt securities at fair value through profit or loss [line items] |  |
Debt securities at fair value through profit or loss | 70,107 |
Private securities [member] | Level 3 [member] | Corporate bonds Tarjeta Naranja Class 048 - Maturity: 04-26-2022 |  |
Disclosure of debt securities at fair value through profit or loss [line items] |  |
Debt securities at fair value through profit or loss | 539,532 |
Private securities [member] | Level 3 [member] | Corporate bonds Ledesma SA Class 010 - Maturity: 05-27-2022 |  |
Disclosure of debt securities at fair value through profit or loss [line items] |  |
Debt securities at fair value through profit or loss | 252,592 |
Private securities [member] | Level 3 [member] | Debt Securities in Financial Trusts Secubono [member] |  |
Disclosure of debt securities at fair value through profit or loss [line items] |  |
Debt securities at fair value through profit or loss | 192,308 | 191,670
Private securities [member] | Level 3 [member] | Debt Securities in Financial Trusts Surcos [member] |  |
Disclosure of debt securities at fair value through profit or loss [line items] |  |
Debt securities at fair value through profit or loss | $ 129,366 | $ 376,007

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