| Handelsportfolio (Finanzvermögen und finanzielle Verbindlichkeiten) | de | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Trading book (financial assets and financial liabilities) | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Portefeuille clientèle (actifs et passifs financiers) | fr | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Handelsportefeuille (financiële activa en financiële verplichtingen) | nl | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Handelsportfolio | de | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Trading book | en | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Portefeuille clientèle | fr | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Handelsportefeuille | nl | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |