| Accounting estimates [member] | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| This member stands for an asset, a liability or a periodic consumption of an asset, subject to adjustments that result from the assessment of the present status of, and expected future benefits and obligations associated with, assets and liabilities. It also represents the standard value for the 'Accounting estimates' axis if no other member is used. | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Meastacháin chuntasaíochta [member] | ga | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Seasann an ball seo do shócmhainn, dliteanas nó ídiú tréimhsiúil sócmhainne, faoi réir coigeartuithe a leanann as an measúnú ar stádas láithreach sócmhainní agus dliteanas agus ar shochair agus ar oibleagáidí ionchasacha amach anseo atá bainteach le sócmhainní agus dliteanais. Léirítear leis freisin an luach caighdeánach le haghaidh na haise ‘Meastacháin chuntasaíochta’ mura n‑úsáidtear aon bhall eile. | ga | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |