| Gains (losses) on subsequent increase in fair value less costs to sell not in excess of recognised cumulative impairment loss or write-down to fair value less costs to sell | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| The gains on subsequent increase in fair value less costs to sell (not in excess of recognised cumulative impairment loss) and losses on write-down to fair value less costs to sell for non-current assets or disposal groups held for sale. | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Gnóthachain (caillteanais) ar an méadú dá éis sin ar an luach cóir lúide costais le díol nach mó ná an caillteanas lagaithe carnach aitheanta ná an díluacháil ar an luach cóir lúide costais le díol | ga | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Na gnóthachain ar an méadú dá éis sin ar an luach cóir lúide costais le díol (nach mó ná an caillteanas lagaithe carnach aitheanta) agus caillteanais ar an díluacháil ar an luach cóir lúide costais le díol maidir le sócmhainní neamhreatha nó grúpaí diúscartha arna sealbhú lena ndíol | ga | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |