| Hedges of net investment in foreign operations [abstract] | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Хеджиране на нетни инвестиции при чуждестранни дейности [abstract] | bg | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Zajištění čistých investic do zahraničních jednotek [abstract] | cs | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Sikring af nettoinvesteringer i udenlandske virksomheder [abstract] | da | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Αντισταθμίσεις καθαρής επένδυσης σε εκμεταλλεύσεις εξωτερικού [abstract] | el | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Absicherungen von Nettoinvestitionen in ausländische Geschäftsbetriebe [abstract] | de | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Coberturas de inversiones netas en negocios en el extranjero [resumen] | es | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Välismaistesse äriüksustesse tehtud netoinvesteeringute riski maandamine [abstract] | et | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Ulkomaisiin yksikköihin tehtyjen nettosijoitusten suojaukset [abstract] | fi | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Couvertures d’investissements nets dans des activités à l’étranger [abstract] | fr | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Zaštita neto ulaganja u inozemno poslovanje od rizika [abstract] | hr | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Külföldi érdekeltségben lévő nettó befektetések fedezeti ügyletei [abstract] | hu | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Coperture dell'investimento netto nelle gestioni estere [abstract] | it | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Grynųjų investicijų į užsienyje veikiančius ūkio subjektus apsidraudimo sandoriai [abstract] | lt | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Ārvalstu operācijās veikto neto ieguldījumu riska ierobežošana [abstract] | lv | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Ħeġġijiet ta’ investiment nett f’operazzjonijiet barranin [abstract] | mt | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Afdekkingen van netto-investeringen in buitenlandse bedrijfsactiviteiten [abstract] | nl | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Zabezpieczenia udziałów w aktywach netto jednostki działającej za granicą [abstract] | pl | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Coberturas de investimentos líquidos em unidades operacionais estrangeiras [abstract] | pt | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Acoperiri împotriva riscurilor ale investițiilor nete în operațiuni din străinătate [abstract] | ro | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Zabezpečenie čistej investície do zahraničných prevádzok [abstract] | sk | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Varovanja čistih finančnih naložb v poslovne enote v tujini pred tveganji [abstract] | sl | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Säkring av nettoinvesteringar i utlandsverksamheter [abstract] | sv | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |