v3.25.4
Note 7 Guarantees Received (Details) - EUR (€)
€ in Millions
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Guarantees received [Line Items]      
Impaired financial assets at amortised cost € 217,690 € 201,433 € 189,602
Value of collateral [Member]      
Guarantees received [Line Items]      
Impaired financial assets at amortised cost 151,746 144,844 136,141
Value of collateral [Member] | Of which guarantees normal risks under special monitoring [Member]      
Guarantees received [Line Items]      
Impaired financial assets at amortised cost 11,626 11,318 14,274
Value of collateral [Member] | Of which guarantees non performing risks [Member]      
Guarantees received [Line Items]      
Impaired financial assets at amortised cost 3,081 3,562 4,035
Value of other guarantees [Member]      
Guarantees received [Line Items]      
Impaired financial assets at amortised cost 65,944 56,589 53,462
Value of other guarantees [Member] | Of which guarantees normal risks under special monitoring [Member]      
Guarantees received [Line Items]      
Impaired financial assets at amortised cost 3,999 4,273 4,864
Value of other guarantees [Member] | Of which guarantees non performing risks [Member]      
Guarantees received [Line Items]      
Impaired financial assets at amortised cost € 907 € 1,153 € 1,226