| Contingent liabilities recognised in business combination | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Contingent liabilities recognised in business combination at beginning of period | en | http://www.xbrl.org/2003/role/periodStartLabel | http://www.xbrl.org/2003/role/link |
| Contingent liabilities recognised in business combination at end of period | en | http://www.xbrl.org/2003/role/periodEndLabel | http://www.xbrl.org/2003/role/link |
| The amount of contingent liabilities recognised in a business combination. [Refer: Contingent liabilities [member]; Business combinations [member]] | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Dliteanais theagmhasacha a aithnítear i gcomhcheangal gnó | ga | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| An méid dliteanas teagmhasach a aithnítear i gcomhcheangal gnó. [Féach: Dliteanais theagmhasacha [member]; Comhcheangail ghnó [member]] | ga | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Dliteanais theagmhasacha a aithnítear i gcomhcheangal gnó ag tús tréimhse | ga | http://www.xbrl.org/2003/role/periodStartLabel | http://www.xbrl.org/2003/role/link |
| Dliteanais theagmhasacha a aithnítear i gcomhcheangal gnó ag deireadh tréimhse | ga | http://www.xbrl.org/2003/role/periodEndLabel | http://www.xbrl.org/2003/role/link |