Other general administrative expenses - Schedule of detail of other general administrative expenses (Details) - EUR (€) € in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Selling, general and administrative expense [abstract] | |||
| Technology and systems | € 803 | € 2,539 | € 2,389 |
| Property, fixtures and supplies (note 2.k) | 2,298 | 797 | 774 |
| Technical reports | 712 | 724 | 796 |
| Advertising | 517 | 512 | 574 |
| Taxes other than income tax | 543 | 554 | 568 |
| Communications | 367 | 387 | 400 |
| Surveillance and cash courier services | 314 | 337 | 325 |
| Per diems and travel expenses | 250 | 232 | 213 |
| Insurance premiums | 86 | 95 | 88 |
| Other administrative expenses | 2,055 | 2,008 | 2,172 |
| Other general administrative expenses | € 7,945 | € 8,185 | € 8,299 |