| De uitgaven voor de aangeschafte en in eigen beheer vervaardigde materiële vaste activa. | nl | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Erwerb von Sachanlagevermögen | de | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Purchase of property, plant and equipment | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Acquisition des immobilisations corporelles | fr | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Verwerving van materiële vaste activa | nl | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Erwerb von Sachanlagevermögen | de | http://www.xbrl.org/2009/role/negatedLabel | http://www.xbrl.org/2003/role/link |
| Purchase of property, plant and equipment | en | http://www.xbrl.org/2009/role/negatedLabel | http://www.xbrl.org/2003/role/link |
| Acquisition des immobilisations corporelles | fr | http://www.xbrl.org/2009/role/negatedLabel | http://www.xbrl.org/2003/role/link |
| Verwerving van materiële vaste activa | nl | http://www.xbrl.org/2009/role/negatedLabel | http://www.xbrl.org/2003/role/link |
| Gesamtbetrag des Erwerb von Sachanlagevermögen | de | http://www.xbrl.org/2009/role/negatedTotalLabel | http://www.xbrl.org/2003/role/link |
| Total of purchase of property, plant and equipment | en | http://www.xbrl.org/2009/role/negatedTotalLabel | http://www.xbrl.org/2003/role/link |
| Total des acquisition des immobilisations corporelles | fr | http://www.xbrl.org/2009/role/negatedTotalLabel | http://www.xbrl.org/2003/role/link |
| Totaal van verwerving van materiële vaste activa | nl | http://www.xbrl.org/2009/role/negatedTotalLabel | http://www.xbrl.org/2003/role/link |
| Gesamtbetrag des Erwerb von Sachanlagevermögen | de | http://www.xbrl.org/2003/role/totalLabel | http://www.xbrl.org/2003/role/link |
| Total of purchase of property, plant and equipment | en | http://www.xbrl.org/2003/role/totalLabel | http://www.xbrl.org/2003/role/link |
| Total des acquisition des immobilisations corporelles | fr | http://www.xbrl.org/2003/role/totalLabel | http://www.xbrl.org/2003/role/link |
| Totaal van verwerving van materiële vaste activa | nl | http://www.xbrl.org/2003/role/totalLabel | http://www.xbrl.org/2003/role/link |