| Decrease in reimbursement rights related to defined benefit obligation, resulting from benefits paid | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Increase in reimbursement rights related to defined benefit obligation, resulting from benefits paid | en | http://www.xbrl.org/2009/role/negatedLabel | http://www.xbrl.org/2003/role/link |
| The decrease in reimbursement rights related to defined benefit obligation, resulting from benefits paid. [Refer: Reimbursement rights related to defined benefit obligation, at fair value] | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Tnaqqis fid-drittijiet ta’ rimborż relatati ma’ obbligu ta’ benefiċċju definit, li jirriżulta minn benefiċċji mħallsa | mt | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| It-tnaqqis fid-drittijiet ta’ rimborż relatati ma’ obbligu ta’ benefiċċju definit, li jirriżulta minn benefiċċji mħallsa. [Refer: Drittijiet ta’ rimborż relatati ma’ obbligu ta’ benefiċċju definit, skont il-valur ġust] | mt | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Żieda fid-drittijiet ta’ rimborż relatati ma’ obbligu ta’ benefiċċju definit, li tirriżulta minn benefiċċji mħallsa | mt | http://www.xbrl.org/2009/role/negatedLabel | http://www.xbrl.org/2003/role/link |