| When used in combination with members of the ‘Net defined benefit liability (asset)’ axis: the present value of a defined benefit obligation increases net defined benefit liability and should be tagged with a positive value; plan assets reduce net defined benefit liability (they increase a net defined benefit asset) and should be tagged with a negative value; the effect of the asset ceiling increases net defined benefit liability (asset) and should be tagged with a positive value. | en | http://www.xbrl.org/2003/role/commentaryGuidance | http://www.xbrl.org/2003/role/link |
| Net defined benefit liability (asset) | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Net defined benefit liability (asset) at beginning of period | en | http://www.xbrl.org/2003/role/periodStartLabel | http://www.xbrl.org/2003/role/link |
| Net defined benefit liability (asset) at end of period | en | http://www.xbrl.org/2003/role/periodEndLabel | http://www.xbrl.org/2003/role/link |
| The amount of deficit or surplus in a defined benefit plan, adjusted for any effect of limiting a net defined benefit asset to the asset ceiling. [Refer: Defined benefit plans [member]] | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Obbligazzjoni (assi) ta’ benefiċċju definit nett | mt | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| L-ammont ta’ defiċit jew ta’ surplus fi pjan ta’ benefiċċju definit, aġġustat għal kwalunkwe effett tal-limitazzjoni ta’ assi ta’ benefiċċju definit nett għal-limitu massimu tal-assi. [Refer: Pjanijiet ta’ benefiċċju definit [member]] | mt | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Meta użat f’kombinament ma’ membri tal-axis “Obbligazzjoni (assi) netta ta’ benefiċċju definit”: il-valur preżenti ta’ obbligazzjoni ta’ benefiċċju definit iżid l-obbligazzjoni netta ta’ benefiċċju definit u jenħtieġ li jiġi ttaggjat b’valur pożittiv; assi ta’ pjan jnaqqsu l-obbligazzjoni netta ta’ benefiċċju definit (iżidu assi nett ta’ benefiċċju definit) u jenħtieġ li jiġi ttaggjat b’valur negattiv; l-effett ta’ limitu massimu ta’ assi jżid l-obbligazzjoni (assi) netta ta’ benefiċċju definit u jenħtieġ li jiġi ttaggjat b’valur pożittiv. | mt | http://www.xbrl.org/2003/role/commentaryGuidance | http://www.xbrl.org/2003/role/link |
| Obbligazzjoni (assi) ta’ benefiċċju definit nett fil-bidu tal-perjodu | mt | http://www.xbrl.org/2003/role/periodStartLabel | http://www.xbrl.org/2003/role/link |
| Obbligazzjoni (assi) ta’ benefiċċju definit nett fi tmiem il-perjodu | mt | http://www.xbrl.org/2003/role/periodEndLabel | http://www.xbrl.org/2003/role/link |