| Decrease (increase) in net defined benefit liability (asset) resulting from actuarial gains (losses) arising from experience adjustments | 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 experience adjustments | 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 experience adjustments that result in remeasurements of the net defined benefit liability (asset). Experience adjustments deal with the effects of differences between the previous actuarial assumptions and what has actually occurred. [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 coigeartuithe taithí | 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 coigeartuithe taithí a leanann atomhais an ghlandliteanais sochair shainithe (sócmhainn) astu. Le coigeartuithe taithí láimhseáiltear na héifeachtaí ó na difríochtaí idir na toimhdí achtúireacha roimhe agus an méid a tharla iarbhír. [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 eascraíonn as caillteanais achtúireacha (gnóthachain) a eascraíonn as coigeartuithe taithí | ga | http://www.xbrl.org/2009/role/negatedLabel | http://www.xbrl.org/2003/role/link |