v3.26.1
Note 13 Financial assets at amortised cost (Details) - EUR (€)
€ in Millions
Jun. 30, 2026
Dec. 31, 2025
Financial assets at amortised cost [Line Items]    
Debt instruments held at amortised cost € 73,703 € 73,379
Loans and advances to central banks 12,089 10,869
Loans and advances to central banks at amortised cost 32,411 24,244
Loans and advances to customers at amortised cost 509,424 460,401
Financial assets at amortised cost 627,627 568,893
Government [member]    
Financial assets at amortised cost [Line Items]    
Loans and advances to customers at amortised cost 29,926 25,905
Other financial corporations [Member]    
Financial assets at amortised cost [Line Items]    
Loans and advances to customers at amortised cost 28,992 23,522
Non financial corporations [Member]    
Financial assets at amortised cost [Line Items]    
Loans and advances to customers at amortised cost 243,512 217,390
Other [Member]    
Financial assets at amortised cost [Line Items]    
Loans and advances to customers at amortised cost 206,994 193,583
Of which impaired assets of loans and advances to customers [Member]    
Financial assets at amortised cost [Line Items]    
Financial assets at amortised cost 15,444 14,346
Of which loss allowances of loans and advances [Member]    
Financial assets at amortised cost [Line Items]    
Financial assets at amortised cost 13,141 12,329
Of which loss allowances of debt securities [Member]    
Financial assets at amortised cost [Line Items]    
Financial assets at amortised cost € 47 € 49