| Reserve of finance income (expenses) from reinsurance contracts held excluded from profit or loss [member] | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| This member stands for a component of equity representing the accumulated finance income (expenses) from reinsurance contracts held excluded from profit or loss. [Refer: Insurance finance income (expenses); Reinsurance contracts held [member]] | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Reserva de receitas (despesas) financeiras de contratos de resseguro detidos excluídas dos resultados [member] | pt | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Este membro representa uma componente do capital próprio que representa as receitas (despesas) financeiras acumuladas de contratos de resseguro detidos excluídas dos resultados. [Consultar: Receitas (despesas) financeiras de seguros; Contratos de resseguro detidos [member]] | pt | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |