Financial liabilities at fair value through profit or loss - Non-trading rerivatives by type (Detail) - EUR (€) € in Millions |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Disclosure of fair value measurement of liabilities [line items] | ||
| – Non-trading derivatives | € 1,338 | € 2,101 |
| Other non-trading derivatives | ||
| Disclosure of fair value measurement of liabilities [line items] | ||
| – Non-trading derivatives | 957 | 1,332 |
| - fair value hedges | ||
| Disclosure of fair value measurement of liabilities [line items] | ||
| – Non-trading derivatives | 54 | 79 |
| - cash flow hedges | ||
| Disclosure of fair value measurement of liabilities [line items] | ||
| – Non-trading derivatives | 254 | 573 |
| - hedges of net investments in foreign operations | ||
| Disclosure of fair value measurement of liabilities [line items] | ||
| – Non-trading derivatives | € 74 | € 117 |