| Realised gain transferred from equity on foreign currency exchange | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Report the value, for the reporting period, of realised foreign currencies exchange gain transferred from equity to reconcile profit (loss) to net cash flow from (used in) operating activities. Exchange differences arising on a monetary item that forms part of a reporting entity’s net investment in a foreign operation shall be recognised in profit or loss in the separate financial statements of the reporting entity or the individual financial statements of the foreign operation, as appropriate. | en | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-mpers-cor_2017-12-31/ReportingDocumentation | http://www.xbrl.org/2003/role/link |
| Report the value, for the reporting period, of realised foreign currencies exchange gain transferred from equity to reconcile profit (loss) to net cash flow from (used in) operating activities. Exchange differences arising on a monetary item that forms part of a reporting entity’s net investment in a foreign operation shall be recognised in profit or loss in the separate financial statements of the reporting entity or the individual financial statements of the foreign operation, as appropriate. | en | http://xbrl.ssm.com.my/role/ssm/fs/mpers/lab_rol_ssmt-fs-mpers_2017-12-31/ReportingDocumentation | http://www.xbrl.org/2003/role/link |
| Realised foreign currencies exchange gain transferred from equity | en | http://xbrl.ssm.com.my/role/ssm/fs/mpers/lab_rol_ssmt-fs-mpers_2017-12-31/ReportingLabel | http://www.xbrl.org/2003/role/link |