Commission expense (Details) - EUR (€) € in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Fee and commission expense [abstract] | |||
| Cards | € 1,744 | € 1,816 | € 1,858 |
| By collection and return of effects | 30 | 30 | 24 |
| Financial guarantees and other commitments | 359 | 323 | 282 |
| Brokerages and intermediaries | 130 | 181 | 204 |
| Sales of insurance and funds | 456 | 453 | 352 |
| Other fees and commissions | 1,692 | 1,655 | 1,429 |
| Total commission expense | € 4,411 | € 4,458 | € 4,149 |