| Umsatzerlöse (UKV), davon in Umsatzerlöse enthaltene Auslandsumsätze | de | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| kein Pflichtfeld, optionale erläuternde Angabe | de | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| davon in Umsatzerlöse enthaltene Auslandsumsätze | de | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Sales (CoS), of which in sales included non-domestic sales | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| of which in sales included non-domestic sales | en | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |