| Gains (losses) on net movement in regulatory deferral account balances related to items that will be reclassified to profit or loss, net of tax | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| The gains (losses) recognised in other comprehensive income on the net movement in regulatory deferral account balances that is related to items that will be reclassified to profit or loss, net of tax. [Refer: Regulatory deferral account balances [member]; Other comprehensive income] | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Qligħ (telf) minn ċaqliq nett fil-bilanċi tal-kont ta’ differiment regolatorju relatat mal-entrati li se jiġu riklassifikati bħala profitt jew telf, nett mit-taxxa | mt | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Il-qligħ (it-telf) rikonoxxut f’introjtu komprensiv ieħor minn ċaqliq nett fil-bilanċi tal-kont ta’ differiment regolatorju li huwa relatat mal-entrati li se jiġu riklassifikati bħala profitt jew telf, nett mit-taxxa. [Refer: Bilanċi tal-kont ta’ differiment regolatorju [member]; Introjtu komprensiv ieħor] | mt | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |