| Assets and liabilities not classified as held for sale [member] | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| This member stands for assets and liabilities that are not classified as held for sale. It also represents the standard value for the 'Assets and liabilities classified as held for sale' axis if no other member is used. [Refer: Non-current assets held for sale [member]; Liabilities included in disposal groups classified as held for sale; Disposal groups classified as held for sale [member]] | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Sócmhainní agus dliteanais nach n‑aicmítear mar shócmhainní ná mar dhliteanais atá á sealbhú lena ndíol [member] | ga | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Seasann an ball seo do shócmhainní agus dliteanais nach n‑aicmítear mar shócmhainní ná mar dhliteanais atá á sealbhú lena ndíol. Léirítear leis freisin an luach caighdeánach le haghaidh na haise ‘Sócmhainní agus dliteanais a aicmítear mar shócmhainní agus mar dhliteanais atá á sealbhú lena ndíol’ mura n‑úsáidtear aon bhall eile. [Féach: Sócmhainní neamhreatha atá á sealbhú lena ndíol [member]; Dliteanais a áirítear i ngrúpaí diúscartha a aicmítear mar dhliteanais atá á sealbhú lena ndíol; Grúpaí diúscartha a aicmítear mar ghrúpaí atá á sealbhú lena ndíol [member] | ga | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |