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Fair value of assets and liabilities - Changes in level 3 financial assets (Details) - EUR (€) € in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Financial assets at fair value, class |  |
Disclosure of fair value measurement of assets [line items] |  |
Unrealised gains on (losses) recognised in the statement of profit or loss | € (41) | € 316
Level 3 |  |
Disclosure of fair value measurement of assets [line items] |  |
Opening balance as at 1 January | 9,118 | 7,526
Realised gain/loss recognised in the statement of profit or loss during the period | 28 | (322)
Revaluation recognised in other comprehensive income during the period | (3) | (6)
Purchase of assets | 6,862 | 4,735
Sale of assets | (2,402) | (2,433)
Maturity/settlement | (1,449) | (1,910)
Reclassifications | 0 | 728
Transfers into Level 3 | 1,014 | 1,860
Transfers out of Level 3 | (2,169) | (994)
Exchange rate differences | 12 | (59)
Changes in the composition of the group and other changes | (6) | (6)
Closing balance | 11,005 | 9,118
Level 3 | Financial assets mandatorily at FVPL |  |
Disclosure of fair value measurement of assets [line items] |  |
Opening balance as at 1 January | 3,499 | 1,849
Realised gain/loss recognised in the statement of profit or loss during the period | 294 | (33)
Purchase of assets | 4,424 | 2,208
Sale of assets | (1,605) | (1,109)
Maturity/settlement | (294) | (576)
Reclassifications | 0 | 723
Transfers into Level 3 | 615 | 981
Transfers out of Level 3 | (1,214) | (534)
Exchange rate differences | 5 | (9)
Changes in the composition of the group and other changes | (1) | 0
Closing balance | 5,721 | 3,499
Level 3 | Financial assets designated at FVPL |  |
Disclosure of fair value measurement of assets [line items] |  |
Opening balance as at 1 January | 3,547 | 3,492
Realised gain/loss recognised in the statement of profit or loss during the period | (54) | (383)
Purchase of assets | 1,600 | 873
Sale of assets | (10) | (138)
Maturity/settlement | (988) | (292)
Reclassifications | 0 | 0
Transfers into Level 3 | 30 | 1
Transfers out of Level 3 | (3) | 0
Exchange rate differences | (2) | (9)
Changes in the composition of the group and other changes | 0 | 2
Closing balance | 4,121 | 3,547
Level 3 | Financial assets at FVOCI |  |
Disclosure of fair value measurement of assets [line items] |  |
Opening balance as at 1 January | 938 | 891
Realised gain/loss recognised in the statement of profit or loss during the period |  | 0
Revaluation recognised in other comprehensive income during the period | (3) | (6)
Purchase of assets | 154 | 331
Sale of assets | (418) | (243)
Maturity/settlement | (20) | (22)
Reclassifications | 0 | 5
Transfers into Level 3 | 0 | 0
Transfers out of Level 3 | (384) | 0
Exchange rate differences | 9 | (10)
Changes in the composition of the group and other changes | (5) | (8)
Closing balance | 270 | 938
Level 3 | Trading assets |  |
Disclosure of fair value measurement of assets [line items] |  |
Opening balance as at 1 January | 848 | 873
Realised gain/loss recognised in the statement of profit or loss during the period | (175) | 235
Purchase of assets | 486 | 1,246
Sale of assets | (111) | (889)
Maturity/settlement | (140) | (1,005)
Reclassifications | 0 | 0
Transfers into Level 3 | 370 | 879
Transfers out of Level 3 | (454) | (459)
Exchange rate differences | 0 | (31)
Changes in the composition of the group and other changes | 0 | 0
Closing balance | 824 | 848
Level 3 | Non-trading derivatives |  |
Disclosure of fair value measurement of assets [line items] |  |
Opening balance as at 1 January | 286 | 421
Realised gain/loss recognised in the statement of profit or loss during the period | (38) | (142)
Purchase of assets | 198 | 76
Sale of assets | (257) | (55)
Maturity/settlement | (7) | (15)
Reclassifications | 0 | 0
Transfers into Level 3 | 0 | 0
Transfers out of Level 3 | (114) | 0
Exchange rate differences | 0 | 0
Changes in the composition of the group and other changes | 0 | 0
Closing balance | € 68 | € 286

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