| Name | Borrowings |
|---|---|
| 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 |
|---|---|---|---|
| Borrowings | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Total borrowings | en | http://www.xbrl.org/2003/role/totalLabel | http://www.xbrl.org/2003/role/link |
| The amount of outstanding funds that the entity is obligated to repay. | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Report the value, as at the reporting date, the aggregate of outstanding funds held that the reporting entity is obligated to repay. | 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 | 101.77 | 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 | 101.54 | http://www.xbrl.org/2009/role/commonPracticeRef |
| Subsection | m | http://www.xbrl.org/2009/role/commonPracticeRef |
| Name | IAS | http://www.xbrl.org/2009/role/commonPracticeRef |
| Number | 1 | http://www.xbrl.org/2009/role/commonPracticeRef |
| IssueDate | 2017-01-01 | http://www.xbrl.org/2009/role/commonPracticeRef |
| Paragraph | 55 | http://www.xbrl.org/2009/role/commonPracticeRef |
| URI | http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_55&doctype=Standard | http://www.xbrl.org/2009/role/commonPracticeRef |
| URIDate | 2017-03-09 | http://www.xbrl.org/2009/role/commonPracticeRef |
| Name | Relation Type | Role | |
|---|---|---|---|
ifrs-full:SecuredBankLoansReceived | summation-item | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-mfrs_2017-12-31/ssmt-fs-mfrs_2017-12-31_role-200200 | |
ifrs-full:UnsecuredBankLoansReceived | summation-item | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-mfrs_2017-12-31/ssmt-fs-mfrs_2017-12-31_role-200200 | |
ssmt-mfrs:SecuredBondsSukukAndLoanStocks | summation-item | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-mfrs_2017-12-31/ssmt-fs-mfrs_2017-12-31_role-200200 | |
ssmt-mfrs:UnsecuredBondsSukukAndLoanStocks | summation-item | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-mfrs_2017-12-31/ssmt-fs-mfrs_2017-12-31_role-200200 | |
ssmt-mfrs:OtherBorrowings | summation-item | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-mfrs_2017-12-31/ssmt-fs-mfrs_2017-12-31_role-200200 |
| 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 | |
ifrs-full:BorrowingsAbstract | 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 | |
ifrs-full:BorrowingsAbstract | domain-member | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-mfrs_2017-12-31/ssmt-fs-mfrs_2017-12-31_role-220100 |