| Name | ProfitLossAttributableToAbstract |
|---|---|
| Namespace | http://xbrl.ifrs.org/taxonomy/2017-03-09/ifrs-full |
| Prefix | ifrs-full |
| Data type | xbrli:stringItemType |
| Period type | duration |
| Substitution Group | xbrli:item |
| Balance | None |
| Nillable | True |
| Abstract | True |
| Text | Lang | Role | Container role |
|---|---|---|---|
| Profit (loss), attributable to [abstract] | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Surplus (deficit), attributable to [abstract] | en | http://xbrl.ssm.com.my/role/ssm/fs/clbg/lab_rol_ssmt-fs-clbg_2017-12-31/ReportingLabel | http://www.xbrl.org/2003/role/link |
| Name | Relation Type | Role | |
|---|---|---|---|
ssmt:StatementOfIncomeAndExpenditureLineItems | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-clbg_2017-12-31/ssmt-fs-clbg_2017-12-31_role-300100x | |
ssmt:StatementOfIncomeAndExpenditureLineItems | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-clbg_2017-12-31/ssmt-fs-clbg_2017-12-31_role-300100y | |
ssmt:StatementOfIncomeAndExpenditureLineItems | domain-member | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-clbg_2017-12-31/ssmt-fs-clbg_2017-12-31_role-310000 | |
ssmt:StatementOfIncomeAndExpenditureLineItems | domain-member | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-clbg_2017-12-31/ssmt-fs-clbg_2017-12-31_role-320000 |