| Description of basis on which regulatory deferral account balances are recognised and derecognised, and how they are measured initially and subsequently | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| The description of the basis on which regulatory deferral account balances are recognised and derecognised, and how they are measured initially and subsequently, including how regulatory deferral account balances are assessed for recoverability and how any impairment loss is allocated. [Refer: Regulatory deferral account balances [member]] | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| An tuairisc ar an mbunús ar a n‑aithnítear agus ar a ndí‑aithnítear iarmhéideanna cuntais iarchurtha rialála, agus conas a dhéantar iad a thomhas ar bhonn tosaigh agus dá éis sin | ga | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| An tuairisc ar an mbunús ar a n‑aithnítear agus ar a ndí‑aithnítear iarmhéideanna cuntais iarchurtha rialála, agus ar an mbealach a dhéantar iad a thomhas ar bhonn tosaigh agus dá éis sin, lena n‑áirítear an bealach a dhéantar measúnú ar iarmhéideanna cuntais iarchurtha rialála ó thaobh na hin‑aisghabháltachta de agus conas a leithdháiltear aon chaillteanas lagaithe. [Féach: Iarmhéideanna cuntais iarchurtha rialála [member]] | ga | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |