| Sonstige Kosten: Aufschlüsselung | de | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Other expenses: Breakdown | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Autres coûts: Répartition | fr | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Overige kosten: Uitsplitsing | nl | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Other expenses, breakdown | en | http://www.nltaxonomie.nl/2016/labelrole/domainSpecificLabel | http://www.xbrl.org/2003/role/link |
| Overige lasten, uitsplitsing | nl | http://www.nltaxonomie.nl/2016/labelrole/domainSpecificLabel | http://www.xbrl.org/2003/role/link |