Shareholders’ equity - Schedule of Other Reserves Including Other Comprehensive Income (Detail) - EUR (€) € in Thousands |
Jun. 30, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Disclosure of reserves within equity [line items] | ||
| Other reserves | € (175,415) | € (161,631) |
| Share-based payments reserve | ||
| Disclosure of reserves within equity [line items] | ||
| Other reserves | 71,395 | 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 | € (132,563) | € (132,567) |