| Regulatory deferral account balances classified as disposal groups [member] | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| This member stands for regulatory deferral account balances that are classified as disposal groups. [Refer: Disposal groups classified as held for sale [member]; Regulatory deferral account balances [member]] | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Reguleeritud hinnatingimustes müügitulu saldo, liigitatud müügigrupiks [member] | et | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| See liige kajastab müügigrupiks liigitatud reguleeritud hinnatingimustes müügitulu saldot. [Viide: müügiks hoitavaks liigitatud müügigrupid [member]; reguleeritud hinnatingimustes müügitulu saldo [member]] | et | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |