| Het bedrag van materiële vaste activa volgens de directe methode. | nl | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Sachanlagevermögen | de | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Property, plant and equipment | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Immobilisations corporelles | fr | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Materiële vaste activa | nl | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Sachanlagevermögen | de | http://www.xbrl.org/2009/role/negatedLabel | http://www.xbrl.org/2003/role/link |
| Property, plant and equipment | en | http://www.xbrl.org/2009/role/negatedLabel | http://www.xbrl.org/2003/role/link |
| Immobilisations corporelles | fr | http://www.xbrl.org/2009/role/negatedLabel | http://www.xbrl.org/2003/role/link |
| Materiële vaste activa | nl | http://www.xbrl.org/2009/role/negatedLabel | http://www.xbrl.org/2003/role/link |