| Defined benefit plans other than multi-employer plans, state plans and plans that share risks between entities under common control [member] | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| This member stands for defined benefit plans other than multi-employer plans, state plans and plans that share risks between entities under common control. [Refer: Defined benefit plans [member]] | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Planos de benefícios definidos distintos dos planos multiempregadores, planos estatais e planos que partilham riscos entre entidades sob controlo comum [member] | pt | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Este membro representa os planos de benefícios definidos distintos dos planos multiempregadores, planos estatais e planos que partilham riscos entre entidades sob controlo comum [Consultar: Planos de benefícios definidos [member]] | pt | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |