| darunter Verlustvortragskonto (persönlich haftende Gesellschafter) | de | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| 12. Eigenkapital, e) Kapitalanteile Personen(handels)gesellschaften, Kapitalanteile der persönlich haftenden Gesellschafter, darunter Verlustvortragskonto (persönlich haftende Gesellschafter) | de | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| of which accumulated loss carryforward account (general partner) | en | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| 12. Equity, e) capital shares in (commercial) partnerships, capital shares of general partners, of which accumulated loss carryforward account (general partner) | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |