Financial assets at fair value through profit or loss - Mandatorily at fair value through profit or loss (Details) - EUR (€) € in Millions |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Disclosure of fair value measurement of assets [line items] | ||
| Mandatorily measured at fair value through profit or loss | € 72,322 | € 56,481 |
| Loans and receivables | ||
| Disclosure of fair value measurement of assets [line items] | ||
| Mandatorily measured at fair value through profit or loss | 71,243 | 55,464 |
| Equity securities | ||
| Disclosure of fair value measurement of assets [line items] | ||
| Mandatorily measured at fair value through profit or loss | 310 | 228 |
| - Debt securities | ||
| Disclosure of fair value measurement of assets [line items] | ||
| Mandatorily measured at fair value through profit or loss | € 769 | € 789 |