| Bilanz -Position | de | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Sekundäre Dimension | de | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Bilanz -Position für wirtschaftlichen Geschäftsbetrieb / Betrieb gewerblicher Art | de | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Balance sheet item of commercial businesses of (otherwise) tax exempt charities / services of a body governed by public law with commercial character (utilities) | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Secondary dimension | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Balance sheet item | en | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |