Non-current and current financial investments - Current financial investments (Details) € in Thousands |
Dec. 31, 2024
EUR (€)
|
Dec. 31, 2024
USD ($)
|
Dec. 31, 2023
EUR (€)
|
|---|---|---|---|
| Disclosure of detailed information about financial instruments [line items] | |||
| Total current financial investments | € 3,053,334 | $ 686,600,000 | € 3,517,698 |
| Money market funds. [member] | |||
| Disclosure of detailed information about financial instruments [line items] | |||
| Total current financial investments | 1,484,599 | 1,316,805 | |
| Treasury bills [member] | |||
| Disclosure of detailed information about financial instruments [line items] | |||
| Total current financial investments | 255,078 | 742,025 | |
| Term Depsits [member] | |||
| Disclosure of detailed information about financial instruments [line items] | |||
| Total current financial investments | € 1,313,657 | € 1,458,868 |