| Past service cost and losses (gains) arising from settlements, defined benefit plans | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Total past service cost and losses (gains) arising from settlements, defined benefit plans | en | http://www.xbrl.org/2003/role/totalLabel | http://www.xbrl.org/2003/role/link |
| The amount of expense (income) resulting from past service cost and losses (gains) arising from settlements. [Refer: Post-employment benefit expense in profit or loss, defined benefit plans; Past service cost, defined benefit plans] [Contrast: Increase (decrease) in net defined benefit liability (asset) resulting from past service cost and losses (gains) arising from settlements] | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Costas seirbhíse roimhe agus caillteanais (gnóthachain) a eascraíonn as socraíochtaí, pleananna sochair shainithe | ga | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| An méid speansais (ioncam) a leanann as costas seirbhíse roimhe agus caillteanais (gnóthachain) a eascraíonn as socraíochtaí. [Féach: Speansas sochair iarfhostaíochta i mbrabús nó caillteanas, pleananna sochair shainithe; Costas seirbhíse reatha, pleananna sochair shainithe] [Codarsnacht: Méadú (laghdú) ar ghlandliteanas sochair shainithe (sócmhainn) a leanann as costas seirbhíse roimhe agus caillteanais (gnóthachain) a eascraíonn as socraíochtaí] | ga | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Iomlán an chostais seirbhíse roimhe agus caillteanais (gnóthachain) a eascraíonn as socraíochtaí, pleananna sochair shainithe | ga | http://www.xbrl.org/2003/role/totalLabel | http://www.xbrl.org/2003/role/link |