| Incremento (disminución) en derivados crediticios, importe nominal | es | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Total incremento (disminución) en derivados crediticios, importe nominal | es | http://www.xbrl.org/2003/role/totalLabel | http://www.xbrl.org/2003/role/link |
| Increase (decrease) in credit derivative, nominal amount | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Total increase (decrease) in credit derivative, nominal amount | en | http://www.xbrl.org/2003/role/totalLabel | http://www.xbrl.org/2003/role/link |