Note 14 Securitized loans (Details) - EUR (€) € in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Securitized loans [Line Items] | |||
| Securitized mortgage assets | € 17,408 | € 19,537 | € 20,406 |
| Other securitized assets | 8,662 | 8,702 | 8,493 |
| Total securitized loans | € 26,070 | € 28,239 | € 28,899 |