| Nachrangige Verbindlichkeiten, Spezifikation [Tabelle] | de | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Subordinated liabilities, specification [title] | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Dette subordonnées, spécification [titre] | fr | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Achtergestelde schulden, specificatie [titel] | nl | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Nachrangige Verbindlichkeiten, Spezifikation | de | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Subordinated liabilities, specification | en | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Dette subordonnées, spécification | fr | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Achtergestelde schulden, specificatie | nl | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Nachrangige Verbindlichkeiten, Spezifikation | de | http://www.xbrl.org/2008/role/terseLabel | http://www.xbrl.org/2008/role/link |
| Subordinated liabilities, specification | en | http://www.xbrl.org/2008/role/terseLabel | http://www.xbrl.org/2008/role/link |
| Dette subordonnées, spécification | fr | http://www.xbrl.org/2008/role/terseLabel | http://www.xbrl.org/2008/role/link |
| Achtergestelde schulden, specificatie | nl | http://www.xbrl.org/2008/role/terseLabel | http://www.xbrl.org/2008/role/link |