| 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/label | http://www.xbrl.org/2003/role/link |
| Net increase (decrease) in net defined benefit liability (asset) resulting from past service cost and gains (losses) arising from settlements | en | http://www.xbrl.org/2009/role/netLabel | http://www.xbrl.org/2003/role/link |
| s | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| 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/label | http://www.xbrl.org/2003/role/link |
| An méadú (laghdú) ar an nglandliteanas sochair shainithe (sócmhainn) a eascraíonn as costas seirbhíse roimhe agus caillteanais (gnóthachain) a eascraíonn as socraíochtaí. [Féach: Laghdú (méadú) ar ghlandliteanas sochair shainithe (sócmhainn) a leanann as gnóthachain (caillteanais) a eascraíonn as socraíochtaí; Glandliteanas sochair shainithe (sócmhainn)] | ga | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Glanmhéadú (laghdú) ar ghlandliteanas sochair shainithe (sócmhainn) a leanann as costas seirbhíse roimhe agus gnóthachain (caillteanais) a eascraíonn as socraíochtaí | ga | http://www.xbrl.org/2009/role/netLabel | http://www.xbrl.org/2003/role/link |