| Post-employment benefit expense, defined contribution plans | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| The amount of post-employment benefit expense relating to defined contribution plans. Defined contribution plans are post-employment benefit plans under which an entity pays fixed contributions into a separate entity (a fund) and will have no legal or constructive obligation to pay further contributions if the fund does not hold sufficient assets to pay all employee benefits relating to employee service in the current and prior periods. | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Speansas sochair iarfhostaíochta, pleananna ranníocaíochtaí sainithe | ga | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| An méid speansais sochair iarfhostaíochta a bhaineann le pleananna ranníocaíochtaí sainithe. Is éard is pleananna ranníocaíochtaí sainithe ann pleananna sochair iarfhostaíochta faoina n‑íocann eintiteas ranníocaíochtaí seasta le heintiteas ar leithligh (ciste) agus nach mbeidh aon oibleagáid inchiallaithe ná dhlíthiúil air chun ranníocaíochtaí breise a íoc mura mbeidh sócmhainní leordhóthanacha sa chiste chun na sochair fostaithe uile a bhaineann le seirbhís fostaithe sa tréimhse reatha agus i dtréimhsí roimhe sin a íoc. | ga | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |