| Intangible assets and goodwill [abstract] | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Intangible assets and goodwill [abstract] | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Activos intangibles y plusvalía [resumen] | es | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Activos intangibles y plusvalía [sinopsis] | es | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Intangible assets and goodwill [abstract] | en | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |