| Assets arising from exploration for and evaluation of mineral resources | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| The amount of assets arising from the search for mineral resources, including minerals, oil, natural gas and similar non-regenerative resources after the entity has obtained legal rights to explore in a specific area, as well as the determination of the technical feasibility and commercial viability of extracting the mineral resource. | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Assi li jinħolqu mill-esplorazzjoni għar-riżorsi minerali u mill-evalwazzjoni tagħhom | mt | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| L-ammont ta’ assi li jinħolqu mit-tfittxija għal riżorsi minerali, inklużi minerali, żejt, gass naturali u riżorsi mhux riġenerattivi simili wara li l-entità tkun kisbet drittijiet legali sabiex tesplora f’żona speċifika, kif ukoll id-determinazzjoni tal-fattibbiltà teknika u tal-vijabbiltà kummerċjali tal-estrazzjoni tar-riżorsi minerali. | mt | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |