| Insurance revenue, amounts relating to changes in liability for remaining coverage | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Total insurance revenue, amounts relating to changes in liability for remaining coverage | en | http://www.xbrl.org/2003/role/totalLabel | http://www.xbrl.org/2003/role/link |
| The amount of insurance revenue recognised in the period related to the changes in the liability for remaining coverage. [Refer: Insurance revenue; Net liabilities or assets for remaining coverage excluding loss component [member]] | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Ioncam árachais, méideanna a bhaineann le hathruithe ar an dliteanas maidir leis an gcumhdach atá fágtha | ga | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| An méid ioncaim árachais a aithnítear sa tréimhse a bhaineann leis na hathruithe ar an dliteanas maidir leis an gcumhdach atá fágtha. [Féach: Ioncam árachais; Na glandliteanais nó na glansócmhainní le haghaidh na comhpháirte cumhdaigh atá fágtha, gan aon chomhpháirt chaillteanais san áireamh [member]] | ga | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Ioncam árachais iomlán, méideanna a bhaineann le hathruithe ar an dliteanas maidir leis an gcumhdach atá fágtha | ga | http://www.xbrl.org/2003/role/totalLabel | http://www.xbrl.org/2003/role/link |