| Current tax expense (income) and adjustments for current tax of prior periods | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Total current tax expense (income) and adjustments for current tax of prior periods | en | http://www.xbrl.org/2003/role/totalLabel | http://www.xbrl.org/2003/role/link |
| The amount of current tax expense (income) and adjustments for the current tax of prior periods. [Refer: Current tax expense (income); Adjustments for current tax of prior periods] | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Speansas cánach reatha (ioncam) agus coigeartuithe le haghaidh cáin reatha i dtréimhsí roimhe seo | ga | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| An méid speansais chánach reatha (ioncam) agus coigeartuithe le haghaidh cáin reatha i dtréimhsí roimhe seo. [Féach: Speansas cánach reatha (ioncam); Coigeartuithe le haghaidh cáin reatha i dtréimhsí roimhe seo] | ga | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Speansas cánach reatha iomlán (ioncam) agus coigeartuithe le haghaidh cáin reatha i dtréimhsí roimhe seo | ga | http://www.xbrl.org/2003/role/totalLabel | http://www.xbrl.org/2003/role/link |