| Reserve of gains and losses from investments in equity instruments [member] | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| This member stands for a component of equity representing accumulated gains and losses from investments in equity instruments that the entity has designated at fair value through other comprehensive income. | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Riżerva ta’ qligħ u ta’ telf mill-investimenti fi strumenti ta' ekwità [member] | mt | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Dan il-membru jirrappreżenta komponent ta’ ekwità li jirrappreżenta l-qligħ u t-telf akkumulati mill-investimenti fi strumenti ta' ekwità li l-entità speċifikat fil-valur ġust permezz ta’ introjtu komprensiv ieħor. | mt | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |