| De overige uitgaande kasstromen met betrekking tot investeringen in materiële vaste activa. | nl | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Sonstige Investitionen aus Investitionstätigkeiten | de | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Other investments from investing activities | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Autres investissements d'activités d'investissement | fr | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Overige investeringen uit investeringsactiviteiten | nl | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Investitionen sonstige | de | http://www.xbrl.org/2009/role/negatedTerseLabel | http://www.xbrl.org/2003/role/link |
| Investments other | en | http://www.xbrl.org/2009/role/negatedTerseLabel | http://www.xbrl.org/2003/role/link |
| Investissements autres | fr | http://www.xbrl.org/2009/role/negatedTerseLabel | http://www.xbrl.org/2003/role/link |
| Investeringen overig | nl | http://www.xbrl.org/2009/role/negatedTerseLabel | http://www.xbrl.org/2003/role/link |
| Investitionen sonstige | de | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Investments other | en | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Investissements autres | fr | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Investeringen overig | nl | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |