Note 45 Balances arising from transactions with entities of the group (Details) - EUR (€) € in Millions |
Jun. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Classes of assets [Domain] | ||
| Disclosure of transactions between related parties [line items] | ||
| Loans and advances to banks | € 44 | € 38 |
| Loans and advances to customers | 485 | 632 |
| Debt Securities Related Party Transactions | 2 | 4 |
| Classes of liabilties [Member] | ||
| Disclosure of transactions between related parties [line items] | ||
| Deposits from credit institutions related party transactions | 1 | 1 |
| Deposits from customers at amortised cost | 88 | 109 |
| Memorandum accounts [Member] | ||
| Disclosure of transactions between related parties [line items] | ||
| Financial Guarantees Given Related Party Transactions | 83 | 100 |
| Other Commitments Given Related Party Transactions | 577 | 625 |
| Loan commitments given related party transactions | € 6 | € 82 |