| Name | ProvisionsForEmployeeBenefits |
|---|---|
| Namespace | http://xbrl.ifrs.org/taxonomy/2017-03-09/ifrs-full |
| Prefix | ifrs-full |
| Data type | xbrli:monetaryItemType |
| Period type | instant |
| Substitution Group | xbrli:item |
| Balance | credit |
| Nillable | True |
| Abstract | False |
| Text | Lang | Role | Container role |
|---|---|---|---|
| Provisions for employee benefits | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| The amount of provisions for employee benefits. [Refer: Employee benefits expense; Provisions] | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Employee benefit liabilities | en | http://xbrl.ssm.com.my/role/ssm/fs/mfrs/lab_rol_ssmt-fs-mfrs_2017-12-31/ReportingLabel | http://www.xbrl.org/2003/role/link |
| Total employee benefit liabilities | en | http://xbrl.ssm.com.my/role/ssm/fs/mfrs/lab_rol_ssmt-fs-mfrs_2017-12-31/ReportingTotalLabel | http://www.xbrl.org/2003/role/link |
| Report the value, as at the reporting date, the aggregate of employee benefits which are all forms of consideration given by the reporting entity in exchange for service rendered by employees or for the termination of employment. | 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 | IAS | http://www.xbrl.org/2003/role/disclosureRef |
| Number | 1 | http://www.xbrl.org/2003/role/disclosureRef |
| IssueDate | 2017-01-01 | http://www.xbrl.org/2003/role/disclosureRef |
| Paragraph | 78 | http://www.xbrl.org/2003/role/disclosureRef |
| Subparagraph | d | http://www.xbrl.org/2003/role/disclosureRef |
| URI | http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_78_d&doctype=Standard | http://www.xbrl.org/2003/role/disclosureRef |
| URIDate | 2017-03-09 | http://www.xbrl.org/2003/role/disclosureRef |
| Name | MFRS | http://www.xbrl.org/2003/role/disclosureRef |
| Section | 101.78 | http://www.xbrl.org/2003/role/disclosureRef |
| Subsection | d | http://www.xbrl.org/2003/role/disclosureRef |
| Name | IAS | http://www.xbrl.org/2003/role/disclosureRef |
| Number | 1 | http://www.xbrl.org/2003/role/disclosureRef |
| IssueDate | 2017-01-01 | http://www.xbrl.org/2003/role/disclosureRef |
| Paragraph | 78 | http://www.xbrl.org/2003/role/disclosureRef |
| Subparagraph | d | http://www.xbrl.org/2003/role/disclosureRef |
| URI | http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_78_d&doctype=Standard | http://www.xbrl.org/2003/role/disclosureRef |
| URIDate | 2017-03-09 | http://www.xbrl.org/2003/role/disclosureRef |
| Name | MFRS | http://www.xbrl.org/2009/role/commonPracticeRef |
| Section | 101.55 | http://www.xbrl.org/2009/role/commonPracticeRef |
| Name | MFRS | http://www.xbrl.org/2009/role/commonPracticeRef |
| Section | 101.78 | http://www.xbrl.org/2009/role/commonPracticeRef |
| Name | MFRS | http://www.xbrl.org/2009/role/commonPracticeRef |
| Section | 101.55 | http://www.xbrl.org/2009/role/commonPracticeRef |
| Name | MFRS | http://www.xbrl.org/2003/role/definitionRef |
| Section | 119.8 | http://www.xbrl.org/2003/role/definitionRef |
| Name | Relation Type | Role | |
|---|---|---|---|
ifrs-full:LiabilitiesAbstract | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-mfrs_2017-12-31/ssmt-fs-mfrs_2017-12-31_role-200100y | |
ssmt-mfrs:EmployeeBenefitLiabilitiesAbstract | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-mfrs_2017-12-31/ssmt-fs-mfrs_2017-12-31_role-200200y | |
ifrs-full:Liabilities | summation-item | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-mfrs_2017-12-31/ssmt-fs-mfrs_2017-12-31_role-200100 | |
ssmt-mfrs:LiabilitiesOtherThanLiabilitiesHeldForSale | summation-item | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-mfrs_2017-12-31/ssmt-fs-mfrs_2017-12-31_role-200100a | |
ifrs-full:LiabilitiesAbstract | domain-member | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-mfrs_2017-12-31/ssmt-fs-mfrs_2017-12-31_role-220000 | |
ssmt-mfrs:EmployeeBenefitLiabilitiesAbstract | domain-member | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-mfrs_2017-12-31/ssmt-fs-mfrs_2017-12-31_role-220100 |