| Transfers out of Level 3 of fair value hierarchy, entity's own equity instruments | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Transfers out of Level 3 of fair value hierarchy, entity's own equity instruments | en | http://www.xbrl.org/2009/role/negatedLabel | http://www.xbrl.org/2003/role/link |
| The amount of transfers of the entity's own equity instruments out of Level 3 of the fair value hierarchy. [Refer: Entity's own equity instruments [member]; Level 3 of fair value hierarchy [member]] | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Trasferimenti mil-Livell 3 tal-ġerarkija tal-valur ġust, strumenti ta' ekwità proprji tal-entità | mt | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| L-ammont ta’ trasferimenti ta’ strumenti ta' ekwità proprji tal-entità mil-Livell 3 tal-ġerarkija tal-valur ġust. [Refer: strumenti ta' ekwità proprji tal-entità [member]; Livell 3 tal-ġerarkija tal-valur ġust [member]] | mt | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Trasferimenti mil-Livell 3 tal-ġerarkija tal-valur ġust, strumenti ta' ekwità proprji tal-entità | mt | http://www.xbrl.org/2009/role/negatedLabel | http://www.xbrl.org/2003/role/link |