| Deferred income other than contract liabilities recognised as of acquisition date | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Deferred income other than contract liabilities recognised as of acquisition date | en | http://www.xbrl.org/2009/role/negatedLabel | http://www.xbrl.org/2003/role/link |
| The amount recognised as of the acquisition date for deferred income other than contract liabilities assumed in a business combination. [Refer: Deferred income other than contract liabilities; Business combinations [member]] | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Muu omandamiskuupäeval kajastatud edasilükkunud tulu kui lepingulised kohustised | et | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Muu omandamiskuupäeval kajastatud edasilükkunud tulu kui äriühenduses võetud lepingulised kohustised. [Viide: muu edasilükkunud tulu kui lepingulised kohustised; äriühendused [member]] | et | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Muu omandamiskuupäeval kajastatud edasilükkunud tulu kui lepingulised kohustised | et | http://www.xbrl.org/2009/role/negatedLabel | http://www.xbrl.org/2003/role/link |