| Notes consolidated property, plant and equipment [title] | en | http://www.xbrl.org/2008/role/label | http://www.xbrl.org/2008/role/link |
| Toelichting geconsolideerde materiële vaste activa [titel] | nl | http://www.xbrl.org/2008/role/label | http://www.xbrl.org/2008/role/link |
| Notes consolidated property, plant and equipment [title] | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Toelichting geconsolideerde materiële vaste activa [titel] | nl | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |