| Tax benefit arising from previously unrecognised tax loss, tax credit or temporary difference of prior period used to reduce deferred tax expense | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Tax benefit arising from previously unrecognised tax loss, tax credit or temporary difference of prior period used to reduce deferred tax expense | en | http://www.xbrl.org/2009/role/negatedLabel | http://www.xbrl.org/2003/role/link |
| The amount of benefit arising from a previously unrecognised tax loss, tax credit or temporary difference of a prior period that is used to reduce deferred tax expense. [Refer: Deferred tax expense (income); Temporary differences [member]; Unused tax losses [member]; Unused tax credits [member]] | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Eelneval perioodil kajastamata maksukahjumist, maksukrediidist või ajutisest erinevusest tulenev kasu, mida kasutati edasilükkunud tulumaksu kulu vähendamiseks | et | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| eelneval perioodil kajastamata maksukahjumist, maksukrediidist või ajutisest erinevusest tuleneva kasu summa, mida kasutati edasilükkunud tulumaksu kulu vähendamiseks. [Viide: edasilükkunud tulumaksu kulu (tulu); ajutised erinevused [member]; kasutamata maksukahjumid [member]; kasutamata maksukrediidid [member]] | et | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |