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Loans - Narrative (Details) | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022
At fixed interest rates |  |
Disclosure of detailed information about financial instruments [line items] |  |
Percentage of loan portfolio at fixed interest rate maturing in not more than one hundred and eight days | 71.00% | 79.00%
Annual interest rate | Minimun of the year |  |
Disclosure of detailed information about financial instruments [line items] |  |
Interest rate fluctuations of loans at amortized cost, financial assets | 1.95% | 1.27%
Annual interest rate | Maximum of the year |  |
Disclosure of detailed information about financial instruments [line items] |  |
Interest rate fluctuations of loans at amortized cost, financial assets | 16.01% | 15.32%

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