Income tax - Summary of Reconciliation of Net Deferred Tax (Details) - EUR (€) € in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
|
| Disclosure Of Income Tax [Abstract] | |||
| Beginning balance | € 20 | € 3 | € 13 |
| Movement recognized in consolidated statement of operations | 42 | 25 | 36 |
| Movement recognized in consolidated statement of changes in equity and other comprehensive income | 103 | (8) | (32) |
| Movement due to acquisition | 0 | 0 | (14) |
| Ending balance | € 165 | € 20 | € 3 |