| Verpflichtungen aus der Bestellung von Sicherheiten für fremde Verbindlichkeiten, davon betreffend Altersversorgung | de | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| davon betreffend Altersversorgung | de | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Contingent liabilities from granting of security for third party-liabilities, of which concerning post-employment benefits | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| of which concerning post-employment benefits | en | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |