| Defined benefit 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 that share risks between entities under common control such as a parent and its subsidiaries. [Refer: Defined benefit plans [member]; Subsidiaries [member]; Parent [member]] | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Pleananna sochair shainithe 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 a roinneann rioscaí idir eintitis faoi rialú comhchoiteann amhail máthairchuideachta agus a fochuideachtaí. [Féach: Pleananna sochair shainithe [member]; Fochuideachtaí [member]; Máthairchuideachta [member]] | ga | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |