| De overboekingen aan de reserves en fondsen. | nl | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Umbuchungen von Rücklagen und Fonds | de | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Transfers of reserves and funds | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Transferts des réserves et des fonds | fr | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Overboekingen van reserves en fondsen | nl | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Umbuchungen | de | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Transfers | en | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Transferts | fr | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Overboekingen | nl | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |