| Retiros de servicio, activos intangibles distintos de la plusvalía | es | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Retiros de servicio, activos intangibles distintos de la plusvalía | es | http://www.xbrl.org/2009/role/negatedLabel | http://www.xbrl.org/2003/role/link |
| Retirements, intangible assets other than goodwill | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Retirements, intangible assets other than goodwill | en | http://www.xbrl.org/2009/role/negatedLabel | http://www.xbrl.org/2003/role/link |