Note 11 Non trading financial assets at fair value through profit or loss mandatorily measured at fair value (Details) - EUR (€) € in Millions |
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|---|---|---|---|
| Non trading financial assets at fair value through profit or loss mandatorily measured at fair value [Line Items] | |||
| Equity instruments held at fair value through profit or loss, mandatorily measured at fair value, other than those classified as held for trading | € 10,539 | € 9,782 | € 7,963 |
| Debt instruments held at fair value through profit or loss, mandatorily measured at fair value, other than those classified as held for trading | 192 | 407 | 484 |
| Loans and advances at fair value through profit or loss, mandatorily measured at fair value, other than those classified as held for trading | 541 | 358 | 290 |
| Financial assets at fair value through profit or loss, mandatorily measured at fair value | € 11,272 | € 10,546 | € 8,737 |