| Name | PostemploymentBenefitExpenseDefinedBenefitPlans |
|---|---|
| Namespace | http://xbrl.ifrs.org/taxonomy/2017-03-09/ifrs-full |
| Prefix | ifrs-full |
| Data type | xbrli:monetaryItemType |
| Period type | duration |
| Substitution Group | xbrli:item |
| Balance | debit |
| Nillable | True |
| Abstract | False |
| Text | Lang | Role | Container role |
|---|---|---|---|
| Post-employment benefit expense, defined benefit plans | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| The amount of post-employment benefit expense relating to defined benefit plans. [Refer: Defined benefit plans [member]] | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Defined benefit plans | 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 |
| Report the value, for the reporting period, of the post-employment benefit expense during the reporting period in relation to defined benefit plans. Defined benefit plans are post-employment benefit plans other than defined contribution plans. | en | http://xbrl.ssm.com.my/role/ssm/fs/clbg/lab_rol_ssmt-fs-clbg_2017-12-31/ReportingDocumentation | http://www.xbrl.org/2003/role/link |
| Name | Value | Role |
|---|---|---|
| Name | MFRS | http://www.xbrl.org/2003/role/disclosureRef |
| Section | 13.93 | http://www.xbrl.org/2003/role/disclosureRef |
| Subsection | e(i) | http://www.xbrl.org/2003/role/disclosureRef |
| Name | IAS | http://www.xbrl.org/2009/role/commonPracticeRef |
| Number | 19 | http://www.xbrl.org/2009/role/commonPracticeRef |
| IssueDate | 2017-01-01 | http://www.xbrl.org/2009/role/commonPracticeRef |
| Paragraph | 5 | http://www.xbrl.org/2009/role/commonPracticeRef |
| URI | http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=19&date=2017-03-01&anchor=para_5&doctype=Standard | http://www.xbrl.org/2009/role/commonPracticeRef |
| URIDate | 2017-03-09 | http://www.xbrl.org/2009/role/commonPracticeRef |
| Name | Relation Type | Role | |
|---|---|---|---|
ssmt-mfrs:EmployeeBenefitExpensesAbstract | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-clbg_2017-12-31/ssmt-fs-clbg_2017-12-31_role-300200x | |
ssmt-mfrs:EmployeeBenefitExpensesAbstract | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-clbg_2017-12-31/ssmt-fs-clbg_2017-12-31_role-300200y | |
ifrs-full:EmployeeBenefitsExpense | summation-item | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-clbg_2017-12-31/ssmt-fs-clbg_2017-12-31_role-300200a | |
ssmt-mfrs:EmployeeBenefitsExpenseByNature | summation-item | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-clbg_2017-12-31/ssmt-fs-clbg_2017-12-31_role-300200a | |
ssmt-mfrs:EmployeeBenefitExpensesAbstract | domain-member | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-clbg_2017-12-31/ssmt-fs-clbg_2017-12-31_role-310100 | |
ssmt-mfrs:EmployeeBenefitExpensesAbstract | domain-member | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-clbg_2017-12-31/ssmt-fs-clbg_2017-12-31_role-320100 |