| Share of post-tax profit (loss) from discontinued operations of associates and joint ventures accounted for using equity method | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| The entity's share of the post-tax profit (loss) from discontinued operations of associates and joint ventures accounted for using the equity method. [Refer: Associates [member]; Discontinued operations [member]; Investments accounted for using equity method; Joint ventures [member]; Profit (loss) from discontinued operations] | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Sciar de bhrabús (caillteanas) iarchánach ó oibríochtaí scortha ghnólachtaí comhlachtaithe agus chomhfhiontar a chuirtear san áireamh agus modh an chothromais in úsáid | ga | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Sciar an eintitis de bhrabús (caillteanas) iarchánach ó oibríochtaí scortha ghnólachtaí comhlachtaithe agus chomhfhiontar a chuirtear san áireamh agus modh an chothromais in úsáid. [Féach: Gnólachtaí comhlachaithe [member]; Oibríochtaí scortha [member]; Infheistíochtaí a chuirtear san áireamh agus modh an chothromais in úsáid; Comhfhiontair [member]; Brabús (caillteanas) ó oibríochtaí scortha] | ga | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |