| 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 |
|---|---|---|---|---|---|---|---|---|---|
| Profit or loss [abstract] | |||||||||
| Interest Income | |||||||||
| Interest and similar expenses | |||||||||
| Net interest income | |||||||||
| Fee and commission income and income from banking fees | |||||||||
| Net gains/(losses) on financial assets and liabilities measured at fair value through profit or loss | |||||||||
| Net gains/(losses) on financial assets measured at fair value through other comprehensive income | |||||||||
| Net gains/(losses) on foreign currency transactions | |||||||||
| Insurance services result | |||||||||
| - Insurance and pension income | |||||||||
| - Insurance and pension expenses | |||||||||
| Operating income | |||||||||
| Expected credit losses on loans and advances | |||||||||
| Expected credit losses on other financial assets | |||||||||
| Personnel expenses | |||||||||
| Other administrative expenses | |||||||||
| Depreciation and amortization | |||||||||
| Other operating income/(expenses) | |||||||||
| Operating expenses | |||||||||
| Income before income taxes and share of profit of associates and joint ventures | |||||||||
| Share of profit of associates and joint ventures | |||||||||
| Income before income taxes | |||||||||
| Income tax benefit/(expense) | |||||||||
| Net income | |||||||||
| Attributable to shareholders: | |||||||||
| Net Income | |||||||||
| Non-controlling interests |