| Insurance contracts liability (asset) | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Insurance contracts liability (asset) at beginning of period | en | http://www.xbrl.org/2003/role/periodStartLabel | http://www.xbrl.org/2003/role/link |
| Insurance contracts liability (asset) at end of period | en | http://www.xbrl.org/2003/role/periodEndLabel | http://www.xbrl.org/2003/role/link |
| The amount of insurance contracts liability (asset). [Refer: Assets; Liabilities; Insurance contracts [member]] | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Passivos (ativos) de contratos de seguro | pt | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| A quantia dos passivos (ativos) resultantes de contratos de seguro. [Consultar: Ativos; Passivos; Contratos de seguro [member]] | pt | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Passivo (ativo) de contratos de seguro no início do período | pt | http://www.xbrl.org/2003/role/periodStartLabel | http://www.xbrl.org/2003/role/link |
| Passivo (ativo) de contratos de seguro no final do período | pt | http://www.xbrl.org/2003/role/periodEndLabel | http://www.xbrl.org/2003/role/link |