| Aggregate deemed cost of investments for which deemed cost is previous GAAP carrying amount | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| The amount of aggregate deemed cost of investments in subsidiaries, joint ventures or associates for which deemed cost is their previous GAAP carrying amount in the entity's first IFRS financial statements. [Refer: Associates [member]; Carrying amount [member]; Joint ventures [member]; Previous GAAP [member]; Subsidiaries [member]; Investments in subsidiaries, joint ventures and associates; IFRSs [member]] | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Costo atribuido acumulado de inversiones para las que el costo atribuido es el importe en libros de PCGA anteriores | es | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |