| Contingent liability for decommissioning, restoration and rehabilitation costs [member] | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| This member stands for a contingent liability relating to decommissioning, restoration and rehabilitation costs. [Refer: Contingent liabilities [member]] | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Nepredviđena obveza za troškove demontaže, uklanjanja, obnavljanja i sanacije [member] | hr | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Ovaj član označava nepredviđenu obvezu povezanu s troškovima demontaže, uklanjanja, obnavljanja i sanacije. [Referenca: Nepredviđene obveze [member]] | hr | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |