| Darlehen, Vorschüsse und Garantien [Achse] | de | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Loans, advances and guarantees [axis] | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Prêts, avances et garanties [axe] | fr | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Leningen, voorschotten en garanties [as] | nl | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Darlehen, Vorschüsse und Garantien | de | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Loans, advances and guarantees | en | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Prêts, avances et garanties | fr | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Leningen, voorschotten en garanties | nl | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |