| Line Item | Dec 31, 2025 | Dec 31, 2024 | Dec 31, 2023 | Dec 31, 2022 | Dec 31, 2021 | Dec 31, 2020 | Dec 31, 2019 | Dec 31, 2018 | Dec 31, 2017 |
|---|---|---|---|---|---|---|---|---|---|
| Interest income calculated using the effective interest method | |||||||||
| Loan portfolio | |||||||||
| Cash and cash equivalents and other accounts receivable | |||||||||
| Investments in debt securities | |||||||||
| Total interest income | |||||||||
| Interest expense | |||||||||
| Deposits | |||||||||
| Financial obligations | |||||||||
| Total interest expense | |||||||||
| Net interest income | |||||||||
| Impairment losses net of recoveries | |||||||||
| Loans and other accounts receivable | |||||||||
| Other financial assets | |||||||||
| Recovery of charged-off financial assets | |||||||||
| Impairment losses net of recoveries | |||||||||
| Net interest income, after impairment losses | |||||||||
| Income from commissions and fees | |||||||||
| Expenses from commissions and fees | |||||||||
| Net income from commissions and fees | |||||||||
| Net income before tax expense | |||||||||
| Net income from continuing operations | |||||||||
| Net income from discontinued operations, net of tax | |||||||||
| Net income for the year | |||||||||
| Net income attributable to owners of the parent | |||||||||
| Owners of the parent | |||||||||
| Net income attributable to non-controlling interests | |||||||||
| Net income for the period from continuing operations | |||||||||
| Net income for the period from discontinued operations | |||||||||
| Non-controlling interests | |||||||||
| Net income for the year |