| Decrease (increase) in net defined benefit liability (asset) resulting from actuarial gains (losses) arising from changes in financial assumptions | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Increase (decrease) in net defined benefit liability (asset) resulting from actuarial losses (gains) arising from changes in financial assumptions | en | http://www.xbrl.org/2009/role/negatedLabel | http://www.xbrl.org/2003/role/link |
| The decrease (increase) in a net defined benefit liability (asset) resulting from actuarial gains (losses) arising from changes in financial assumptions that result in remeasurements of the net defined benefit liability (asset). Financial assumptions deal with items such as: (a) the discount rate; (b) benefit levels, excluding any cost of the benefits to be met by employees, and future salary; (c) in the case of medical benefits, future medical costs, including claim handling costs (ie the costs that will be incurred in processing and resolving claims, including legal and adjuster's fees); and (d) taxes payable by the plan on contributions relating to service before the reporting date or on benefits resulting from that service. [Refer: Net defined benefit liability (asset)] | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Laghdú (méadú) ar ghlandliteanas sochair shainithe (sócmhainn) a leanann as gnóthachain achtúireacha (caillteanais) a eascraíonn as athruithe ar thoimhdí airgeadais | ga | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| An laghdú (méadú) ar ghlandliteanas sochair shainithe (sócmhainn) a leanann as gnóthachain achtúireacha (caillteanais) a eascraíonn as athruithe ar thoimhdí airgeadais a leanann atomhais an ghlandliteanais sochair shainithe (sócmhainn) astu. Pléann toimhdí airgeadais le hábhair amhail: (a) an ráta lascaine; (b) leibhéil sochair, seachas aon chostas sochar atá le híoc ag fostaithe, agus tuarastal amach anseo; (c) i gcás sochair leighis, costais leighis amach anseo, lena n‑áirítear costais a bhaineann le héileamh a láimhseáil (i.e. na costais a thabhófar de bharr éilimh a phróiseáil agus a réiteach, lena n‑áirítear táillí dlí agus táillí an choigeartóra); agus (d) cánacha iníoctha ag an bplean ar ranníocaíochtaí a bhaineann le seirbhís roimh an dáta tuairiscithe nó ar shochair a eascraíonn as an tseirbhís sin. [Féach: Glandliteanas sochair shainithe (sócmhainn)] | ga | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Méadú (laghdú) ar ghlandliteanas sochair shainithe (sócmhainn) a leanann as caillteanais achtúireacha (gnóthachain) a eascraíonn as athruithe ar thoimhdí airgeadais | ga | http://www.xbrl.org/2009/role/negatedLabel | http://www.xbrl.org/2003/role/link |