| Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Aggregated income tax relating to components of other comprehensive income that will not be reclassified to profit or loss | en | http://www.xbrl.org/2009/role/negatedTotalLabel | http://www.xbrl.org/2003/role/link |
| The amount of income tax relating to amounts recognised in other comprehensive income that will not be reclassified to profit or loss. [Refer: Income tax relating to components of other comprehensive income] | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Impuestos a las ganancias relativos a componentes de otro resultado integral que no se reclasificará al resultado del periodo | es | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Impuestos a las ganancias acumulados relativos a componentes de otro resultado integral que no se reclasificarán al resultado del periodo | es | http://www.xbrl.org/2009/role/negatedTotalLabel | http://www.xbrl.org/2003/role/link |