Shareholder' equity - Schedule of Share-Based Compensation (Details) - EUR (€) € in Thousands |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Disclosure of reserves within equity [line items] | ||
| Other reserves | € (184,307) | € (161,631) |
| Share-based payments reserve | ||
| Disclosure of reserves within equity [line items] | ||
| Other reserves | 73,331 | 85,183 |
| Non-controlling interests options reserve | ||
| Disclosure of reserves within equity [line items] | ||
| Other reserves | (114,247) | (114,247) |
| Other | ||
| Disclosure of reserves within equity [line items] | ||
| Other reserves | € (143,391) | € (132,567) |