Other disclosures - Real estate business - Spain (Details) - Property assets from home purchase mortgage loans to households - Spain |
6 Months Ended |
|---|---|
Jun. 30, 2026 | |
| Less than 80 % | |
| Disclosure of credit risk exposure [line items] | |
| Percentage of portfolio with LTV less than 80% | 95.00% |
| Weighted average | |
| Disclosure of credit risk exposure [line items] | |
| Affordability rate | 22.50% |
| Maximum | Less than 80 % | |
| Disclosure of credit risk exposure [line items] | |
| Loan-to-value (LTV) ratio (in percentage) | 80.00% |