Note 13 - Quantitative Information about Fair Value (Level 3) (Detail: Text Values) - Valuation technique unobservable parameters (Level 3) [Member] - EUR (€) € in Millions |
Dec. 31, 2023 |
Dec. 31, 2022 |
---|---|---|
Assets [Member] | ||
Non-derivative other financial instruments held at fair value, Included in other financial assets [Abstract] | ||
Other trading assets | € 104 | € 196 |
Other financial assets mandatory at fair value through profit or loss | 2,400 | 2,400 |
Other financial assets at FV through OCI | 117 | 38 |
Liabilities [Member] | ||
Included in other financial liabilities [Abstract] | ||
Securities sold under repurchase agreements designated at fair value | € 154 | 141 |
Other financial liabilities designated at fair value | € 45 |