| Contractual service margin related to contracts that existed at transition date to which modified retrospective approach has been applied [member] | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| This member stands for the contractual service margin related to contracts that existed at the transition date to which the modified retrospective approach (as described in paragraphs C6-C19A of IFRS 17) has been applied. [Refer: Contractual service margin [member]] | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Margem de serviço contratual relacionada com contratos existentes à data de transição a que foi aplicada a abordagem retrospetiva alterada [member] | pt | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Este membro representa a margem de serviço contratual relacionada com contratos que existiam à data de transição, a que foi aplicada a abordagem retrospetiva alterada (descrita nos parágrafos C6-C19A da IFRS 17). [Consultar: Margem de serviço contratual [member]] | pt | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |