| Pagos con respecto a liquidaciones, pasivos (activos) por beneficios definidos netos | es | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Pagos con respecto a liquidaciones, pasivos (activos) por beneficios definidos netos | es | http://www.xbrl.org/2009/role/negatedLabel | http://www.xbrl.org/2003/role/link |
| Payments in respect of settlements, net defined benefit liability (asset) | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Payments in respect of settlements, net defined benefit liability (asset) | en | http://www.xbrl.org/2009/role/negatedLabel | http://www.xbrl.org/2003/role/link |