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Financial Instruments Risks - Breakdown by Contractual Maturity of Financial Liabilities (Details) - ARS ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
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Up to 1 month [member] |  |  |
Breakdown by contractual maturity of financial liabilities [line items] |  |  |
Breakdown By Contractual Maturity Of Financial Assets | [1] | $ 187,818,052 | $ 213,909,599
Breakdown by contractual maturity of financial liabilities | [1] | 700,453,378 | 714,204,052
Financial Guarantees And Loan Commitments Issued Which May Derived In Outflows On Demand |  | 293,488,653 | 312,617,268
From more than 1 month to 3 month [member] |  |  |
Breakdown by contractual maturity of financial liabilities [line items] |  |  |
Breakdown By Contractual Maturity Of Financial Assets |  | 57,212,107 | 56,163,098
Breakdown by contractual maturity of financial liabilities |  | 35,849,052 | 39,471,310
Financial Guarantees And Loan Commitments Issued Which May Derived In Outflows On Demand |  | 1,379,251 | 1,057,811
From more than 3 month to 6 month [member] |  |  |
Breakdown by contractual maturity of financial liabilities [line items] |  |  |
Breakdown By Contractual Maturity Of Financial Assets |  | 46,817,496 | 46,392,316
Breakdown by contractual maturity of financial liabilities |  | 56,544,111 | 47,550,744
Financial Guarantees And Loan Commitments Issued Which May Derived In Outflows On Demand |  | 564,901 | 1,383,985
From more than 6 month to 12 month [member] |  |  |
Breakdown by contractual maturity of financial liabilities [line items] |  |  |
Breakdown By Contractual Maturity Of Financial Assets |  | 46,923,113 | 50,017,719
Breakdown by contractual maturity of financial liabilities |  | 2,981,056 | 4,254,662
Financial Guarantees And Loan Commitments Issued Which May Derived In Outflows On Demand |  | 545,896 | 4,251,525
From more than 12 month to 24 month [member] |  |  |
Breakdown by contractual maturity of financial liabilities [line items] |  |  |
Breakdown By Contractual Maturity Of Financial Assets |  | 38,875,143 | 51,010,027
Breakdown by contractual maturity of financial liabilities |  | 3,342,302 | 3,233,699
Financial Guarantees And Loan Commitments Issued Which May Derived In Outflows On Demand |  | 136,243 | 278,232
More than 24 months [member] |  |  |
Breakdown by contractual maturity of financial liabilities [line items] |  |  |
Breakdown By Contractual Maturity Of Financial Assets |  | 64,677,955 | 65,882,381
Breakdown by contractual maturity of financial liabilities |  | 3,671,794 | 6,407,841
Financial Guarantees And Loan Commitments Issued Which May Derived In Outflows On Demand |  | 632,380 | 959,232
Total of financial liabilities [member] |  |  |
Breakdown by contractual maturity of financial liabilities [line items] |  |  |
Breakdown By Contractual Maturity Of Financial Assets |  | 442,323,866 | 483,375,140
Breakdown by contractual maturity of financial liabilities |  | 802,841,693 | 815,122,308
Financial Guarantees And Loan Commitments Issued Which May Derived In Outflows On Demand |  | $ 296,747,324 | $ 320,548,053
[1] | The Bank has liquid assets such as cash and cash equivalents (Note 8), reverse repurchase agreements (Note 10.4) and BCRA liquidity bills (Note 14.1), among others, to settle its liabilities.

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