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Financial assets at amortized cost - Summary of Loans by Economic Activity (Details) - ARS ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
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Disclosure of Detailed Information About Loans by Economic Activity [Line Items] |  |  |
Receivables Gross | [1] | $ 2,020,918,967 | $ 2,298,131,934
Consumer [member] |  |  |
Disclosure of Detailed Information About Loans by Economic Activity [Line Items] |  |  |
Receivables Gross | [1] | 954,257,252 | 1,215,592,516
Other manufacturing [member] |  |  |
Disclosure of Detailed Information About Loans by Economic Activity [Line Items] |  |  |
Receivables Gross | [1] | 234,753,284 | 241,404,862
Wholesale and retail trade [member] |  |  |
Disclosure of Detailed Information About Loans by Economic Activity [Line Items] |  |  |
Receivables Gross | [1] | 165,253,521 | 160,174,001
Mining products [member] |  |  |
Disclosure of Detailed Information About Loans by Economic Activity [Line Items] |  |  |
Receivables Gross | [1] | 148,326,772 | 80,790,577
Agricultural and livestock [member] |  |  |
Disclosure of Detailed Information About Loans by Economic Activity [Line Items] |  |  |
Receivables Gross | [1] | 99,208,574 | 105,454,661
Services [member] |  |  |
Disclosure of Detailed Information About Loans by Economic Activity [Line Items] |  |  |
Receivables Gross | [1] | 37,340,847 | 23,775,774
Transport [member] |  |  |
Disclosure of Detailed Information About Loans by Economic Activity [Line Items] |  |  |
Receivables Gross | [1] | 33,510,070 | 37,004,294
Financial sector [member] |  |  |
Disclosure of Detailed Information About Loans by Economic Activity [Line Items] |  |  |
Receivables Gross | [1] | 16,432,085 | 13,903,746
Construction [member] |  |  |
Disclosure of Detailed Information About Loans by Economic Activity [Line Items] |  |  |
Receivables Gross | [1] | 13,005,379 | 16,271,514
Electricity, oil, water and sanitary services [member] |  |  |
Disclosure of Detailed Information About Loans by Economic Activity [Line Items] |  |  |
Receivables Gross | [1] | 10,865,805 | 3,317,857
Central Bank [member] |  |  |
Disclosure of Detailed Information About Loans by Economic Activity [Line Items] |  |  |
Receivables Gross | [1] |  | 28,132
Government services [member] |  |  |
Disclosure of Detailed Information About Loans by Economic Activity [Line Items] |  |  |
Receivables Gross | [1] | 145,208 | 4,356
Others [member] |  |  |
Disclosure of Detailed Information About Loans by Economic Activity [Line Items] |  |  |
Receivables Gross | [1] | 307,820,170 | 400,409,644
Performing [member] |  |  |
Disclosure of Detailed Information About Loans by Economic Activity [Line Items] |  |  |
Receivables Gross | [1] | $ 1,985,711,785 | $ 2,258,954,613
Percentage of Loan Portfolio | [1] | 100.00% | 100.00%
Performing [member] | Consumer [member] |  |  |
Disclosure of Detailed Information About Loans by Economic Activity [Line Items] |  |  |
Receivables Gross | [1] | $ 925,263,748 | $ 1,185,453,460
Percentage of Loan Portfolio | [1] | 46.59% | 52.48%
Performing [member] | Other manufacturing [member] |  |  |
Disclosure of Detailed Information About Loans by Economic Activity [Line Items] |  |  |
Receivables Gross | [1] | $ 231,659,985 | $ 240,886,440
Percentage of Loan Portfolio | [1] | 11.67% | 10.66%
Performing [member] | Wholesale and retail trade [member] |  |  |
Disclosure of Detailed Information About Loans by Economic Activity [Line Items] |  |  |
Receivables Gross | [1] | $ 164,990,452 | $ 159,930,827
Percentage of Loan Portfolio | [1] | 8.31% | 7.08%
Performing [member] | Mining products [member] |  |  |
Disclosure of Detailed Information About Loans by Economic Activity [Line Items] |  |  |
Receivables Gross | [1] | $ 148,237,570 | $ 77,640,679
Percentage of Loan Portfolio | [1] | 7.47% | 3.44%
Performing [member] | Agricultural and livestock [member] |  |  |
Disclosure of Detailed Information About Loans by Economic Activity [Line Items] |  |  |
Receivables Gross | [1] | $ 98,606,896 | $ 104,841,665
Percentage of Loan Portfolio | [1] | 4.97% | 4.64%
Performing [member] | Services [member] |  |  |
Disclosure of Detailed Information About Loans by Economic Activity [Line Items] |  |  |
Receivables Gross | [1] | $ 37,210,971 | $ 23,685,189
Percentage of Loan Portfolio | [1] | 1.87% | 1.05%
Performing [member] | Transport [member] |  |  |
Disclosure of Detailed Information About Loans by Economic Activity [Line Items] |  |  |
Receivables Gross | [1] | $ 33,317,055 | $ 36,846,913
Percentage of Loan Portfolio | [1] | 1.68% | 1.63%
Performing [member] | Financial sector [member] |  |  |
Disclosure of Detailed Information About Loans by Economic Activity [Line Items] |  |  |
Receivables Gross | [1] | $ 16,432,085 | $ 13,903,746
Percentage of Loan Portfolio | [1] | 0.83% | 0.62%
Performing [member] | Construction [member] |  |  |
Disclosure of Detailed Information About Loans by Economic Activity [Line Items] |  |  |
Receivables Gross | [1] | $ 12,735,536 | $ 15,660,271
Percentage of Loan Portfolio | [1] | 0.64% | 0.69%
Performing [member] | Electricity, oil, water and sanitary services [member] |  |  |
Disclosure of Detailed Information About Loans by Economic Activity [Line Items] |  |  |
Receivables Gross | [1] | $ 10,863,098 | $ 3,314,762
Percentage of Loan Portfolio | [1] | 0.55% | 0.15%
Performing [member] | Central Bank [member] |  |  |
Disclosure of Detailed Information About Loans by Economic Activity [Line Items] |  |  |
Receivables Gross | [1] |  | $ 28,132
Percentage of Loan Portfolio | [1] |  | 0.00%
Performing [member] | Government services [member] |  |  |
Disclosure of Detailed Information About Loans by Economic Activity [Line Items] |  |  |
Receivables Gross | [1] | $ 145,208 | $ 4,356
Percentage of Loan Portfolio | [1] | 0.01% | 0.00%
Performing [member] | Others [member] |  |  |
Disclosure of Detailed Information About Loans by Economic Activity [Line Items] |  |  |
Receivables Gross | [1] | $ 306,249,181 | $ 396,758,173
Percentage of Loan Portfolio | [1] | 15.41% | 17.56%
Non-performing [member] |  |  |
Disclosure of Detailed Information About Loans by Economic Activity [Line Items] |  |  |
Receivables Gross | [1] | $ 35,207,182 | $ 39,177,321
Percentage of Loan Portfolio | [1] | 100.00% | 100.00%
Non-performing [member] | Consumer [member] |  |  |
Disclosure of Detailed Information About Loans by Economic Activity [Line Items] |  |  |
Receivables Gross | [1] | $ 28,993,504 | $ 30,139,056
Percentage of Loan Portfolio | [1] | 82.36% | 76.93%
Non-performing [member] | Other manufacturing [member] |  |  |
Disclosure of Detailed Information About Loans by Economic Activity [Line Items] |  |  |
Receivables Gross | [1] | $ 3,093,299 | $ 518,422
Percentage of Loan Portfolio | [1] | 8.79% | 1.32%
Non-performing [member] | Wholesale and retail trade [member] |  |  |
Disclosure of Detailed Information About Loans by Economic Activity [Line Items] |  |  |
Receivables Gross | [1] | $ 263,069 | $ 243,174
Percentage of Loan Portfolio | [1] | 0.75% | 0.62%
Non-performing [member] | Mining products [member] |  |  |
Disclosure of Detailed Information About Loans by Economic Activity [Line Items] |  |  |
Receivables Gross | [1] | $ 89,202 | $ 3,149,898
Percentage of Loan Portfolio | [1] | 0.25% | 8.04%
Non-performing [member] | Agricultural and livestock [member] |  |  |
Disclosure of Detailed Information About Loans by Economic Activity [Line Items] |  |  |
Receivables Gross | [1] | $ 601,678 | $ 612,996
Percentage of Loan Portfolio | [1] | 1.71% | 1.56%
Non-performing [member] | Services [member] |  |  |
Disclosure of Detailed Information About Loans by Economic Activity [Line Items] |  |  |
Receivables Gross | [1] | $ 129,876 | $ 90,585
Percentage of Loan Portfolio | [1] | 0.37% | 0.23%
Non-performing [member] | Transport [member] |  |  |
Disclosure of Detailed Information About Loans by Economic Activity [Line Items] |  |  |
Receivables Gross | [1] | $ 193,015 | $ 157,381
Percentage of Loan Portfolio | [1] | 0.55% | 0.40%
Non-performing [member] | Financial sector [member] |  |  |
Disclosure of Detailed Information About Loans by Economic Activity [Line Items] |  |  |
Receivables Gross | [1] | $ 0 | $ 0
Percentage of Loan Portfolio | [1] | 0.00% | 0.00%
Non-performing [member] | Construction [member] |  |  |
Disclosure of Detailed Information About Loans by Economic Activity [Line Items] |  |  |
Receivables Gross | [1] | $ 269,843 | $ 611,243
Percentage of Loan Portfolio | [1] | 0.77% | 1.56%
Non-performing [member] | Electricity, oil, water and sanitary services [member] |  |  |
Disclosure of Detailed Information About Loans by Economic Activity [Line Items] |  |  |
Receivables Gross | [1] | $ 2,707 | $ 3,095
Percentage of Loan Portfolio | [1] | 0.01% | 0.01%
Non-performing [member] | Central Bank [member] |  |  |
Disclosure of Detailed Information About Loans by Economic Activity [Line Items] |  |  |
Receivables Gross | [1] |  | $ 0
Percentage of Loan Portfolio | [1] |  | 0.00%
Non-performing [member] | Government services [member] |  |  |
Disclosure of Detailed Information About Loans by Economic Activity [Line Items] |  |  |
Receivables Gross | [1] | $ 0 | $ 0
Percentage of Loan Portfolio | [1] | 0.00% | 0.00%
Non-performing [member] | Others [member] |  |  |
Disclosure of Detailed Information About Loans by Economic Activity [Line Items] |  |  |
Receivables Gross | [1] | $ 1,570,989 | $ 3,651,471
Percentage of Loan Portfolio | [1] | 4.44% | 9.33%
[1] | Performing: Stage 1 y Stage 2; Non Performing: Stage 3

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