| Deferred income including contract liabilities recognised as of acquisition date | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Total deferred income including contract liabilities recognised as of acquisition date | en | http://www.xbrl.org/2009/role/negatedTotalLabel | http://www.xbrl.org/2003/role/link |
| The amount recognised as of the acquisition date for deferred income including contract liabilities assumed in a business combination. [Refer: Deferred income including contract liabilities; Business combinations [member]] | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Omandamiskuupäeval kajastatud edasilükkunud tulu, sealhulgas lepingulised kohustised | et | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Äriühenduses võetud ja omandamiskuupäeval kajastatud edasilükkunud tulu, sealhulgas lepinguliste kohustiste summa. [Viide: edasilükkunud tulu, sealhulgas lepingulised kohustised; äriühendused [member]] | et | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Omandamiskuupäeval kajastatud edasilükkunud tulu, sealhulgas lepingulised kohustised kokku | et | http://www.xbrl.org/2009/role/negatedTotalLabel | http://www.xbrl.org/2003/role/link |