| Group [member] | Company [member] | ||
| Employee benefits expense [abstract] | |||
| Wages, salaries and others | |||
| Bonus | |||
| Share-based compensation expense | |||
| Share option expenses | |||
| Social security contributions | |||
| Defined benefit plans | |||
| Defined contribution plans | |||
| Other long-term employee benefits | |||
| Other short-term employee benefits | |||
| Other employee expense | |||
| Total employee benefits expense | |||