| De in de winst-en-verlies rekening verwerkte lease- en sublease-betalingen, uitgesplitst naar minimale leasebetalingen, voorwaardelijke leasebetalingen en sublease-ontvangsten. | nl | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Zahlungen für operatives Leasing während der Periode | de | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Payments of operating leases during the period | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Paiements des leasings opérationnels au cours de l'exercice | fr | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Betalingen van operationele leases gedurende de periode | nl | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Zahlungen während der Periode | de | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Payments during the period | en | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Paiements au cours de l'exercice | fr | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Betalingen gedurende de periode | nl | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Gesamtbetrag der Zahlungen für operatives Leasing während der Periode | de | http://www.xbrl.org/2003/role/totalLabel | http://www.xbrl.org/2003/role/link |
| Total of payments of operating leases during the period | en | http://www.xbrl.org/2003/role/totalLabel | http://www.xbrl.org/2003/role/link |
| Total des paiements des leasings opérationnels au cours de l'exercice | fr | http://www.xbrl.org/2003/role/totalLabel | http://www.xbrl.org/2003/role/link |
| Totaal van betalingen van operationele leases gedurende de periode | nl | http://www.xbrl.org/2003/role/totalLabel | http://www.xbrl.org/2003/role/link |