| Impairment loss recognised in other comprehensive income, intangible assets other than goodwill | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Impairment loss recognised in other comprehensive income, intangible assets other than goodwill | en | http://www.xbrl.org/2009/role/negatedLabel | http://www.xbrl.org/2003/role/link |
| The amount of impairment loss recognised in other comprehensive income for intangible assets other than goodwill. [Refer: Impairment loss recognised in other comprehensive income; Intangible assets other than goodwill] | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Pérdidas por deterioro de valor reconocidas en otro resultado integral, activos intangibles distintos de la plusvalía | es | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Pérdidas por deterioro de valor reconocidas en otro resultado integral, activos intangibles distintos de la plusvalía | es | http://www.xbrl.org/2009/role/negatedLabel | http://www.xbrl.org/2003/role/link |