Customer deposits - Additional information (Details) - EUR (€) € in Millions |
Jun. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Disclosure of customer deposits [line items] | ||
| Current accounts / Overnight deposits | € 242,598 | € 238,940 |
| Savings accounts | 399,779 | 382,066 |
| Time deposits | 127,386 | 98,599 |
| Private individuals | ||
| Disclosure of customer deposits [line items] | ||
| Current accounts / Overnight deposits | 114,184 | 113,586 |
| Savings accounts | 365,170 | 347,234 |
| Time deposits | € 53,198 | € 50,033 |