| Past service cost and gains (losses) arising from settlements, net defined benefit liability (asset) | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Net past service cost and gains (losses) arising from settlements, net defined benefit liability (asset) | en | http://www.xbrl.org/2009/role/netLabel | http://www.xbrl.org/2003/role/link |
| The increase (decrease) in the net defined benefit liability (asset) resulting from past service cost and gains (losses) arising from settlements. [Refer: Gains (losses) arising from settlements, net defined benefit liability (asset); Net defined benefit liability (asset)] | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Kost tas-servizz passat u qligħ (telf) li jinħoloq minn saldi, obbligazzjoni (assi) ta’ benefiċċju definit nett | mt | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Iż-żieda (it-tnaqqis) fl-obbligazzjoni (assi) ta’ benefiċċju definit nett li tirriżulta mill-kost tas-servizz passat u mill-qligħ (it-telf) li jirriżulta mis-saldi. [Refer: Qligħ (telf) li jinħoloq minn saldi, obbligazzjoni (assi) ta’ benefiċċju definit nett; Obbligazzjoni (assi) tal-benefiċċju definit nett] | mt | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
Index