| Explanation of fact that carrying amount of goodwill or intangible assets with indefinite useful lives is not significant | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| The explanation of the fact that the carrying amount of goodwill or intangible assets with indefinite useful lives allocated to a unit (group of units) across multiple cash-generating units (groups of units) is not significant in comparison with the entity's total carrying amount of goodwill or intangible assets with indefinite useful lives. [Refer: Carrying amount [member]; Cash-generating units [member]; Intangible assets other than goodwill] | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Explicación del hecho de que la suma del importe en libros de la plusvalía o de los activos intangibles con vidas útiles indefinidas no es significativa | es | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |