| Goodwill derecognised without having previously been included in disposal group classified as held for sale | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Goodwill derecognised without having previously been included in disposal group classified as held for sale | en | http://www.xbrl.org/2009/role/negatedLabel | http://www.xbrl.org/2003/role/link |
| The amount of goodwill derecognised without having previously been included in a disposal group classified as held for sale. [Refer: Goodwill; Disposal groups classified as held for sale [member]] | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Plusvalía dada de baja sin haber sido previamente incluida en grupos de activos para su disposición clasificados como mantenidos para la venta | es | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Plusvalía dada de baja sin haber sido previamente incluida en grupos de activos para su disposición clasificados como mantenidos para la venta | es | http://www.xbrl.org/2009/role/negatedLabel | http://www.xbrl.org/2003/role/link |