| Vorstandsbericht | de | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Management report | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Rapport de gestion | fr | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Bestuursverslag | nl | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Management report | en | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Bestuursverslag | nl | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |