| Tangible exploration and evaluation assets [member] | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| This member stands for a class of property, plant and equipment representing tangible exploration and evaluation assets. [Refer: Exploration and evaluation assets [member]] | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Materialusis tyrinėjamas ir vertinamas turtas [member] | lt | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Šis elementas rodo nekilnojamojo turto, įrangos ir įrengimų grupę, kurią sudaro materialusis tyrinėjamas ir vertinamas turtas. [Žr. Tyrinėjamas ir vertinamas turtas [member]] | lt | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |