Personnel expenses - Additional Information (Details) - EUR (€) € in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 04, 2023 |
Jan. 23, 2023 |
Dec. 31, 2023 |
|
| Classes of employee benefits expense [abstract] | |||
| Employee base reduction percent | 17.00% | 6.00% | |
| Employees severance charges | € 212 |