Other general administrative expenses - Schedule of number of offices (Details) - branch |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Disclosure of geographical areas [line items] | |||
| Number of offices | 7,124 | 8,086 | 8,518 |
| Spain | |||
| Disclosure of geographical areas [line items] | |||
| Number of offices | 1,674 | 1,877 | 1,924 |
| Group | |||
| Disclosure of geographical areas [line items] | |||
| Number of offices | 5,450 | 6,209 | 6,594 |