| De aanvullende lasten bovenop de in de winst-en-verliesrekening opgenomen pensioenpremies ten behoeve van de pensioenregeling van de werknemers van de rechtspersoon. | nl | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Zusätzliche Pensionsaufwendungen | de | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Additional pension expenses | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Autres charges liées aux pensions | fr | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Aanvullende pensioenlasten | nl | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Pensionsaufwendungen | de | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| Pension expenses | en | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| Prestations de retraite | fr | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| Pensioenlasten | nl | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |