| Basic earnings (loss) per share, including net movement in regulatory deferral account balances and net movement in related deferred tax | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Basic earnings (loss) per share that include the net movement in regulatory deferral account balances and the net movement in related deferred tax. [Refer: Basic earnings (loss) per share; Net movement in regulatory deferral account balances related to profit or loss and net movement in related deferred tax] | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Qligħ (telf) għal kull sehem bażiku, inkluż ċaqliq nett fil-bilanċi tal-kont ta’ differiment regolatorju u ċaqliq nett fit-taxxa differita relatata | mt | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Qligħ (telf) għal kull sehem bażiku li jinkludu ċ-ċaqliq nett fil-bilanċi tal-kont ta’ differiment regolatorju u ċ-ċaqliq nett fit-taxxa differita relatata. [Refer: Qligħ (telf) għal kull sehem bażiku; Ċaqliq nett fil-bilanċi tal-kont ta’ differiment regolatorju relatati ma’ profitt jew telf u ċaqliq nett fit-taxxa differita relatata] | mt | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |