v3.10.0.1
Personnel Expenses - Summary of Personnel Expense (Detail)
€ in Millions
12 Months Ended
Dec. 31, 2018
EUR (€)
Employee
Dec. 31, 2017
EUR (€)
Employee
Dec. 31, 2016
EUR (€)
Employee
Classes Of Employee Benefits Expense [Abstract]      
Wages and salaries € 409 € 348 € 231
Social costs 90 136 38
Contributions to retirement plans 20 17 12
Share-based payments 88 65 53
Other employee benefits 60 48 39
Personnel expenses € 667 € 614 € 373
Average full-time employees | Employee 3,651 2,960 2,084