Allowance for Credit Losses (Detail: Text Values) - EUR (€) € in Millions |
12 Months Ended | |||
|---|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
|
| Allowance for Credit Losses [Abstract] | ||||
| Allowance for country risk not included in Allowance for credit losses for Financial Assets at Amortized Cost | € 7 | € 14 | € 4 | |
| Total amount of undiscounted expected credit losses at initial recognition on financial assets that are purchased or originated credit-impared | 74 | 0 | 0 | € 46 |
| Allowance for country risk not included in Allowance for credit losses for Off-balance Sheet Positions | € 12 | € 2 | € 9 | |