| Exploration and evaluation assets [member] | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| This member stands for exploration and evaluation expenditures recognised as assets in accordance with the entity's accounting policy. Exploration and evaluation expenditures are expenditures incurred by an entity in connection with the exploration for, and evaluation of, mineral resources before the technical feasibility and commercial viability of extracting a mineral resource are demonstrable. | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Imovina za istraživanje i procjenu [member] | hr | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Ovaj član označava rashode za istraživanje i procjenu koji se priznaju kao imovina u skladu s računovodstvenom politikom subjekta. Rashodi za istraživanje i procjenu jesu rashodi subjekta u vezi s istraživanjem i procjenom mineralnih resursa prije nego što se dokažu tehnička izvedivost i komercijalna isplativost vađenja mineralnih resursa. | hr | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |