| Gains (losses) arising from settlements, defined benefit plans | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Losses (gains) arising from settlements, defined benefit plans | en | http://www.xbrl.org/2009/role/negatedLabel | http://www.xbrl.org/2003/role/link |
| The amount of income (expense) resulting from settlements. Settlements are transactions that eliminate all further legal or constructive obligations for part or all of the benefits provided under a defined benefit plan, other than a payment of benefits to, or on behalf of, employees that is set out in the terms of the plan and included in the actuarial assumptions. [Post-employment benefit expense in profit or loss, defined benefit plans; Defined benefit plans [member]; Actuarial assumptions [member]] [Contrast: Decrease (increase) in net defined benefit liability (asset) resulting from gains (losses) arising from settlements] | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Gnóthachain (caillteanais) a eascraíonn as socraíochtaí, pleananna sochair shainithe | ga | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| An méid ioncaim (speanas) a leanann as socraíochtaí. Is éard is socraíochtaí ann idirbhearta lena gcuirtear deireadh le gach oibleagáid dhlíthiúil nó inchiallaithe bhreise maidir le cuid de na sochair, nó na sochair uile, a ndéantar foráil maidir leo faoi phlean sochair shainithe, seachas sochair a íoc le fostaithe, nó iad a íoc thar a gceann, a leagtar amach i dtéarmaí an phlean agus a áirítear sna toimhdí achtúireacha. [Speansas sochair iarfhostaíochta i mbrabús nó caillteanas, pleananna sochair shainithe; Pleananna sochair shainithe [member]; Toimhdí achtúireacha [member]] [Cuir i gcodarsnacht: Laghdú (méadú) ar ghlandliteanas sochair shainithe (sócmhainn) a leanann as gnóthachain (caillteanais) a eascraíonn as socraíochtaí] | ga | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Caillteanais (gnóthachain) a eascraíonn as socraíochtaí, pleananna sochair shainithe | ga | http://www.xbrl.org/2009/role/negatedLabel | http://www.xbrl.org/2003/role/link |