| Dividend received, classified as financing activities | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Report the value, for the reporting period, of cash receipts from dividends which are distributions of profits to holders of equity investments in proportion to their holdings of a particular class of capital which shall be presented separately and classified as financing activities. | 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 cash receipts from dividends which are distributions of profits to holders of equity investments in proportion to their holdings of a particular class of capital which shall be presented separately and classified as financing activities. | 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 |
| Dividends received | 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 |