| De nominale waarde van de minimale leasebetalingen die voortvloeien uit operationele leaseovereenkomsten. | nl | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Nominalwert der Mindestleasingzahlungen für operatives Leasing | de | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Nominal value of minimal lease payments of operating leases | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Valeur nominale des paiements de leasing minimaux des leasings opérationnels | fr | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Nominale waarde van minimale lease betalingen van operationele leases | nl | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Nominalwert der Mindestleasingzahlungen | de | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Nominal value of minimal lease payments | en | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Valeur nominale des paiements de leasing minimaux | fr | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Nominale waarde van minimale lease betalingen | nl | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |