Equity - Reserves - Legal Reserve (Details) - EUR (€) € in Millions |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Equity | ||
| Percentage of annual profits to transfer to legal reserve (as a percent) | 10.00% | |
| Percentage of legal reserve in relation to share capital, below which entity must transfer proportion of profit to legal reserves | 20.00% | |
| Nominal value of the total share capital after the increase (as a percent) | 10.00% | |
| Parent company | ||
| Equity | ||
| Percentage of legal reserve in relation to share capital, below which entity must transfer proportion of profit to legal reserves | 20.00% | 20.00% |
| Legal reserve | € 24 | € 24 |
| Spanish companies other than parent | ||
| Equity | ||
| Legal reserve | 2 | 2 |
| Foreign companies other than Spanish companies and parent | ||
| Equity | ||
| Legal reserve | € 4 | € 4 |