| Konzernbilanz [Titel] | de | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Consolidated balance sheet [title] | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Bilan consolidé [titre] | fr | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Geconsolideerde balans [titel] | nl | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Konzernbilanz | de | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Consolidated balance sheet | en | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Bilan consolidé | fr | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Geconsolideerde balans | nl | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |