| Reinsurance assets | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Reinsurance assets at beginning of period | en | http://www.xbrl.org/2003/role/periodStartLabel | http://www.xbrl.org/2003/role/link |
| Reinsurance assets at end of period | en | http://www.xbrl.org/2003/role/periodEndLabel | http://www.xbrl.org/2003/role/link |
| The amount of a cedant’s net contractual rights under a reinsurance contract. | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Activos de reaseguro | es | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Activos de reaseguro al inicio del periodo | es | http://www.xbrl.org/2003/role/periodStartLabel | http://www.xbrl.org/2003/role/link |
| Activos de reaseguro al final del periodo | es | http://www.xbrl.org/2003/role/periodEndLabel | http://www.xbrl.org/2003/role/link |