| Fair value of investments in associates for which there are quoted market prices | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Fair value of investments in associates for which there are quoted market prices | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| The fair value of investments in associates if there are quoted market prices for the investment. [Refer: Associates [member]; Investments in associates] | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Valor razonable de inversiones en asociadas para las que existen precios de mercado cotizados | es | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Valor razonable de inversiones en asociadas cuando se publican los precios de cotización | es | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Fair value of investments in associates for which there are quoted market prices | en | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |