| Current estimate of future cash outflows to be paid to fulfil obligation, measurement input [member] | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| This member stands for the current estimate of future cash outflows to be paid to fulfil obligation, used as a measurement input. | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Meastachán atá i bhfeidhm faoi láthair maidir le sreafaí airgid a bheidh le híoc amach anseo chun oibleagáid a chomhlíonadh, ionchur tomhais [member] | ga | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Seasann an ball seo don mheastachán atá i bhfeidhm faoi láthair maidir le sreafaí airgid a bheidh le híoc amach anseo chun oibleagáid a chomhlíonadh, a úsáidtear mar ionchur tomhais. | ga | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |