| Identifiable assets acquired (liabilities assumed) | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Net identifiable assets acquired (liabilities assumed) | en | http://www.xbrl.org/2009/role/netLabel | http://www.xbrl.org/2003/role/link |
| Activos identificables adquiridos (pasivos asumidos) | es | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Activos identificables netos adquiridos (pasivos asumidos) | es | http://www.xbrl.org/2009/role/netLabel | http://www.xbrl.org/2003/role/link |