| Weighted average share price for share options in share-based payment arrangement exercised during period at date of exercise | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Weighted average share price for share options in share-based payment arrangement exercised during period at date of exercise | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| The weighted average share price at the date of exercise for share options that are exercised in a share-based payment arrangement. [Refer: Share-based payment arrangements [member]; Weighted average [member]] | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Promedio ponderado del precio de la acción para opciones sobre acciones en acuerdos con pagos basados en acciones ejercidos durante el periodo en la fecha de ejercicio | es | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Promedio ponderado del precio de ejercicio de opciones sobre acciones en acuerdos con pagos basados en acciones ejercidas durante el periodo en la fecha de ejercicio | es | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Weighted average share price for share options in share-based payment arrangement exercised during period at date of exercise | en | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |