| Changes in investment property [abstract] | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Промени в инвестиционните имоти [abstract] | bg | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Změny investičního nemovitého majetku [abstract] | cs | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Ændringer i investeringsejendomme [abstract] | da | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Μεταβολές στις επενδύσεις σε ακίνητα [abstract] | el | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Änderungen der als Finanzanlage gehaltenen Immobilien [abstract] | de | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Cambios en las inversiones inmobiliarias [abstract] | es | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Kinnisvarainvesteeringute muutus [abstract] | et | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Sijoituskiinteistöjen muutokset [abstract] | fi | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Variations des immeubles de placement [abstract] | fr | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Athruithe ar mhaoin infheistíochta [abstract] | ga | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Promjene ulaganja u nekretnine [abstract] | hr | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Változások a befektetési célú ingatlanban [abstract] | hu | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Variazioni dell'investimento immobiliare [abstract] | it | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Investicinio turto pokyčiai [abstract] | lt | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Ieguldījuma īpašuma izmaiņas [abstract] | lv | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Bidliet fil-proprjetà għall-investiment [abstract] | mt | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Veranderingen in vastgoedbeleggingen [abstract] | nl | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Zmiany wartości nieruchomości inwestycyjnych [abstract] | pl | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Alterações na propriedade de investimento [abstract] | pt | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Modificările investițiilor imobiliare [abstract] | ro | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Zmeny investičného nehnuteľného majetku [abstract] | sk | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Spremembe naložbenih nepremičnin [abstract] | sl | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Ändringar i förvaltningsfastigheter [abstract] | sv | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |