Note 53 Balances Arising From Transactions With Entities Of The Group Explanatory (Details) - EUR (€) € in Millions |
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|---|---|---|---|
| Disclosure of transactions between related parties [line items] | |||
| Deposits from customers | € 502,501 | € 447,646 | € 413,487 |
| Classes of assets [Domain] | |||
| Disclosure of transactions between related parties [line items] | |||
| Loans and advances to banks | 38 | 13 | 5 |
| Loans and advances to customers | 632 | 639 | 791 |
| Debt securities arising from transactions with entities of the Group | 4 | 4 | 4 |
| Classes of liabilities [domain] | |||
| Disclosure of transactions between related parties [line items] | |||
| Deposits from credit institutions | 1 | 1 | 0 |
| Deposits from customers | 109 | 160 | 134 |
| Memorandum accounts [Member] | |||
| Disclosure of transactions between related parties [line items] | |||
| Financial Guarantees Given Related Party Transactions | 100 | 171 | 177 |
| Other Commitments Given Related Party Transactions | 625 | 784 | 595 |
| Loan commitments given related party transactions | € 82 | € 117 | € 119 |