| Defined benefit plans other than multi-employer plans, state plans and plans that share risks between entities under common control [member] | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| This member stands for defined benefit plans other than multi-employer plans, state plans and plans that share risks between entities under common control. [Refer: Defined benefit plans [member]] | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Pleananna sochair shainithe seachas pleananna ilfhostóra, pleananna stáit agus pleananna a roinneann rioscaí idir eintitis faoi rialú comhchoiteann [member] | ga | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Seasann an ball seo do phleananna sochair shainithe seachas pleananna ilfhostóra, pleananna stáit agus pleananna a roinneann rioscaí idir eintitis faoi rialú comhchoiteann. [Féach: Pleananna sochair shainithe [member]] | ga | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |