| Investment property [abstract] | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Инвестиционни имоти [abstract] | bg | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Investiční nemovitý majetek [abstract] | cs | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Investeringsejendomme [abstract] | da | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Επενδύσεις σε ακίνητα [abstract] | el | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Als Finanzanlage gehaltene Immobilien [abstract] | de | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Inversiones inmobiliarias [abstract] | es | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Kinnisvarainvesteeringud [abstract] | et | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Sijoituskiinteistöt [abstract] | fi | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Immeubles de placement [abstract] | fr | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Maoin infheistíochta [abstract] | ga | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Ulaganja u nekretnine [abstract] | hr | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Befektetési célú ingatlan [abstract] | hu | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Investimenti immobiliari [abstract] | it | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Investicinis turtas [abstract] | lt | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Ieguldījuma īpašums [abstract] | lv | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Proprjetà għall-investiment [abstract] | mt | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Vastgoedbeleggingen [abstract] | nl | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Nieruchomość inwestycyjna [abstract] | pl | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Propriedade de investimento [abstract] | pt | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Investiții imobiliare [abstract] | ro | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Investičný nehnuteľný majetok [abstract] | sk | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Naložbene nepremičnine [abstract] | sl | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Förvaltningsfastigheter [abstract] | sv | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
Index