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Related Parties - Transactions And Balances With Parent Company Except Key Management Personnel (Details) - ARS ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Cash And Other Demand Deposits Member |  |  |  |
Transactions and Balances with Parent Company Except Key Management Personnel [Line Items] |  |  |  |
Balances With Parent Company |  | $ 626,770 | $ 1,763,407 |
Results With Parent Company |  | 0 |  |
Other Financial Assets Member |  |  |  |
Transactions and Balances with Parent Company Except Key Management Personnel [Line Items] |  |  |  |
Balances With Parent Company |  | 525,435 | 3,217 |
Results With Parent Company |  | 0 |  |
Other Liabilities Member |  |  |  |
Transactions and Balances with Parent Company Except Key Management Personnel [Line Items] |  |  |  |
Balances With Parent Company |  | 21,186,026 | 10,659,186 |
Results With Parent Company |  | 4,023,784 | 1,089,611 | $ 600,951
Derivative Financial Liabilities Member |  |  |  |
Transactions and Balances with Parent Company Except Key Management Personnel [Line Items] |  |  |  |
Balances With Parent Company |  | 0 | 17,536 |
Results With Parent Company |  | 598,086 | 582,408 | 14,444
Securities In Custody Member |  |  |  |
Transactions and Balances with Parent Company Except Key Management Personnel [Line Items] |  |  |  |
Balances With Parent Company | [1] | 90,837,919 | 95,135,597 |
Results With Parent Company | [1] | 0 |  |
Derivative Instruments Notional Amount Member |  |  |  |
Transactions and Balances with Parent Company Except Key Management Personnel [Line Items] |  |  |  |
Balances With Parent Company |  | 0 | 1,396,210 |
Results With Parent Company |  | 0 |  |
Securities Granted Member |  |  |  |
Transactions and Balances with Parent Company Except Key Management Personnel [Line Items] |  |  |  |
Balances With Parent Company | [2] | 1,359,509 | 4,010,096 |
Results With Parent Company | [2] | 7,789 | 8,990 | $ 4,912
Guarantees Received Member |  |  |  |
Transactions and Balances with Parent Company Except Key Management Personnel [Line Items] |  |  |  |
Balances With Parent Company |  | 1,420,998 | $ 5,622,988 |
Results With Parent Company |  | $ 0 |  |
[1] | These balances represent the shares in custody of Banco BBVA Argentina SA held by BBVA and BBV América.
[2] | These balances represent commercial guarantees granted.

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