v3.25.2
Financial assets at fair value through other comprehensive income - Summary of changes in fair value through other comprehensive income financial assets (Details) - Financial assets at FVOCI - EUR (€)
€ in Millions
6 Months Ended 12 Months Ended
Jun. 30, 2025
Dec. 31, 2024
Disclosure of financial assets [line items]    
Opening balance as at 1 January € 46,389 € 41,116
Additions 11,318 21,091
Amortisation 36 77
Transfers and reclassifications  6 1
Changes in unrealised revaluations 668 509
Impairments (1) 2
Reversals of impairments 1 (7)
Disposals and redemptions (7,168) (16,907)
Exchange rate differences (1,385) 506
Other changes (19)
Closing balance 49,846 46,389
FVOCI equity securities    
Disclosure of financial assets [line items]    
Opening balance as at 1 January 2,562 1,885
Additions 158 11
Amortisation
Transfers and reclassifications  8
Changes in unrealised revaluations 275 605
Impairments
Reversals of impairments
Disposals and redemptions (4) (1)
Exchange rate differences (226) 62
Other changes (19)
Closing balance 2,753 2,562
FVOCI debt instruments    
Disclosure of financial assets [line items]    
Opening balance as at 1 January 43,827 39,231
Additions 11,160 21,080
Amortisation 36 77
Transfers and reclassifications  (1) 1
Changes in unrealised revaluations 393 (96)
Impairments (1) 2
Reversals of impairments 1 (7)
Disposals and redemptions (7,164) (16,906)
Exchange rate differences (1,159) 443
Other changes
Closing balance € 47,093 € 43,827