| Deferred income including contract liabilities recognised as of acquisition date | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Total deferred income including contract liabilities recognised as of acquisition date | en | http://www.xbrl.org/2009/role/negatedTotalLabel | http://www.xbrl.org/2003/role/link |
| The amount recognised as of the acquisition date for deferred income including contract liabilities assumed in a business combination. [Refer: Deferred income including contract liabilities; Business combinations [member]] | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Ioncam iarchurtha lena n‑áirítear dliteanais chonartha a aithnítear ón dáta éadála amach | ga | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| An méid a aithnítear ón dáta éadála amach le haghaidh ioncaim iarchurtha lena n‑áirítear dliteanais chonartha arna dtoimhdiú i gcomhcheangal gnó. [Féach: Ioncam iarchurtha lena n‑áirítear dliteanais chonartha; Comhcheangail ghnó [member]] | ga | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Ioncam iarchurtha iomlán lena n‑áirítear dliteanais chonartha a aithnítear ón dáta éadála amach | ga | http://www.xbrl.org/2009/role/negatedTotalLabel | http://www.xbrl.org/2003/role/link |