| Name | NetRepaymentFromJointVentures |
|---|---|
| Namespace | http://xbrl.ssm.com.my/taxonomy/2017-12-31/ssmt-mfrs-cor |
| Prefix | ssmt-mfrs |
| Data type | xbrli:monetaryItemType |
| Period type | duration |
| Substitution Group | xbrli:item |
| Balance | credit |
| Nillable | True |
| Abstract | False |
| Text | Lang | Role | Container role |
|---|---|---|---|
| Net repayment from joint ventures | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Report the value, for the reporting period, of net repayment from joint ventures, which shall be presented separately and classified as investing activities. | en | http://xbrl.ssm.com.my/role/ssm/fs/mfrs/lab_rol_ssmt-fs-mfrs_2017-12-31/ReportingDocumentation | http://www.xbrl.org/2003/role/link |
| Name | Value | Role |
|---|---|---|
| Name | MFRS | http://www.xbrl.org/2009/role/commonPracticeRef |
| Section | 101.85 | http://www.xbrl.org/2009/role/commonPracticeRef |
| Name | MFRS | http://www.xbrl.org/2009/role/commonPracticeRef |
| Section | 101.97 | http://www.xbrl.org/2009/role/commonPracticeRef |
| Name | MFRS | http://www.xbrl.org/2003/role/disclosureRef |
| Section | 124.13-27 | http://www.xbrl.org/2003/role/disclosureRef |
| Name | Relation Type | Role | |
|---|---|---|---|
ifrs-full:CashFlowsFromUsedInInvestingActivitiesAbstract | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-mfrs_2017-12-31/ssmt-fs-mfrs_2017-12-31_role-500100x | |
ifrs-full:CashFlowsFromUsedInInvestingActivitiesAbstract | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-mfrs_2017-12-31/ssmt-fs-mfrs_2017-12-31_role-500100y | |
ifrs-full:CashFlowsFromUsedInInvestingActivities | summation-item | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-mfrs_2017-12-31/ssmt-fs-mfrs_2017-12-31_role-500100 | |
ifrs-full:CashFlowsFromUsedInInvestingActivitiesAbstract | domain-member | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-mfrs_2017-12-31/ssmt-fs-mfrs_2017-12-31_role-510000 | |
ifrs-full:CashFlowsFromUsedInInvestingActivitiesAbstract | domain-member | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-mfrs_2017-12-31/ssmt-fs-mfrs_2017-12-31_role-520000 |