| De in de winst-en-verliesrekening verwerkte verschillen die voortvloeien uit de omrekening van transacties en balansstanden in vreemde valuta naar de presentatievaluta. | nl | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Wechselkursdifferenzen | de | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Foreign currency exchange rate results | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Différences de change | fr | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Valutakoersverschillen | nl | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Wechselkursdifferenzen | de | http://www.xbrl.org/2009/role/negatedLabel | http://www.xbrl.org/2003/role/link |
| Foreign currency exchange rate results | en | http://www.xbrl.org/2009/role/negatedLabel | http://www.xbrl.org/2003/role/link |
| Différences de change | fr | http://www.xbrl.org/2009/role/negatedLabel | http://www.xbrl.org/2003/role/link |
| Valutakoersverschillen | nl | http://www.xbrl.org/2009/role/negatedLabel | http://www.xbrl.org/2003/role/link |