| De boekwaarde van voorzieningen per segment ten behoeve van de gesegmenteerde informatie. | nl | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Rückstellungen nach Segment | de | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Provisions by segment | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Provisions par segment | fr | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Voorzieningen per segment | nl | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Buchwert von Rückstellungen | de | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Book value of provisions | en | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Valeur comptable des provisions | fr | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Boekwaarde van voorzieningen | nl | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |