| r0.c0 | RuleNode_2/RuleNode_4 | | | |
| r1.c0 | Disclosure of notes and other explanatory information [abstract]/RuleNode_4 | ssmt-mfrs:DisclosureOfNotesAndOtherExplanatoryInformationAbstract | xbrli:stringItemType | duration |
| r2.c0 | Disclosure of amount owing by/(to) subsidiary companies [text block]/RuleNode_4 | ssmt-mfrs:DisclosureOnAmountOwingByToSubsidiaryCompaniesExplanatory | nonnum:textBlockItemType | duration |
| r3.c0 | Disclosure of authorisation of financial statements [text block]/RuleNode_4 | ssmt-mfrs:DisclosureOnApprovalOfFinancialStatementsExplanatory | nonnum:textBlockItemType | duration |
| r4.c0 | Disclosure of basis of consolidation [text block]/RuleNode_4 | ifrs-full:DisclosureOfBasisOfConsolidationExplanatory | nonnum:textBlockItemType | duration |
| r5.c0 | Disclosure of basis of preparation of financial statements [text block]/RuleNode_4 | ifrs-full:DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory | nonnum:textBlockItemType | duration |
| r6.c0 | Disclosure of capital and other commitments [text block]/RuleNode_4 | ssmt-mfrs:DisclosureOfCapitalCommitmentsExplanatory | nonnum:textBlockItemType | duration |
| r7.c0 | Disclosure of capital reserve [text block]/RuleNode_4 | ssmt-mfrs:DisclosureOfCapitalReserveExplanatory | nonnum:textBlockItemType | duration |
| r8.c0 | Disclosure of capital risk management [text block]/RuleNode_4 | ssmt-mfrs:DisclosureOfCapitalRiskManagementExplanatory | nonnum:textBlockItemType | duration |
| r9.c0 | Disclosure of cash and cash equivalents [text block]/RuleNode_4 | ifrs-full:DisclosureOfCashAndCashEquivalentsExplanatory | nonnum:textBlockItemType | duration |
| r10.c0 | Disclosure of cash flow statement [text block]/RuleNode_4 | ifrs-full:DisclosureOfCashFlowStatementExplanatory | nonnum:textBlockItemType | duration |
| r11.c0 | Disclosure of categories of financial instruments [text block]/RuleNode_4 | ssmt-mfrs:DisclosureOfCategoriesOfFinancialInstrumentsExplanatory | nonnum:textBlockItemType | duration |
| r12.c0 | Disclosure of commitments [text block]/RuleNode_4 | ifrs-full:DisclosureOfCommitmentsExplanatory | nonnum:textBlockItemType | duration |
| r13.c0 | Disclosure of contingent assets and contingent liabilities [text block]/RuleNode_4 | ssmt-mfrs:DisclosureOfContingentAssetsAndContingentLiabilitiesExplanatory | nonnum:textBlockItemType | duration |
| r14.c0 | Disclosure of contributions [text block]/RuleNode_4 | ssmt-mfrs:DisclosureOfContributionsExplanatory | nonnum:textBlockItemType | duration |
| r15.c0 | Disclosure of cost of sales [text block]/RuleNode_4 | ifrs-full:DisclosureOfCostOfSalesExplanatory | nonnum:textBlockItemType | duration |
| r16.c0 | Disclosure of credit risk [text block]/RuleNode_4 | ifrs-full:DisclosureOfCreditRiskExplanatory | nonnum:textBlockItemType | duration |
| r17.c0 | Disclosure of critical accounting estimates and judgements [text block]/RuleNode_4 | ifrs-full:DisclosureOfAccountingJudgementsAndEstimatesExplanatory | nonnum:textBlockItemType | duration |
| r18.c0 | Disclosure of deferred tax assets/(liabilities) [text block]/RuleNode_4 | ifrs-full:DisclosureOfDeferredTaxesExplanatory | nonnum:textBlockItemType | duration |
| r19.c0 | Disclosure of deposits placed with licensed bank [text block]/RuleNode_4 | ssmt-mfrs:DisclosureOfDepositsPlacedWithLicensedBanksExplanatory | nonnum:textBlockItemType | duration |
| r20.c0 | Disclosure of directors' remuneration [text block]/RuleNode_4 | ssmt-mfrs:DisclosureOfDirectorsRemunerationExplanatory | nonnum:textBlockItemType | duration |
| r21.c0 | Disclosure of discontinued operation [text block]/RuleNode_4 | ifrs-full:DisclosureOfDiscontinuedOperationsExplanatory | nonnum:textBlockItemType | duration |
| r22.c0 | Disclosure of donations [text block]/RuleNode_4 | ssmt-mfrs:DisclosureOfDonationsExplanatory | nonnum:textBlockItemType | duration |
| r23.c0 | Disclosure of employee benefits expense [text block]/RuleNode_4 | ifrs-full:DisclosureOfEmployeeBenefitsExplanatory | nonnum:textBlockItemType | duration |
| r24.c0 | Disclosure of expenses [text block]/RuleNode_4 | ifrs-full:DisclosureOfExpensesExplanatory | nonnum:textBlockItemType | duration |
| r25.c0 | Disclosure of fair value adjustment reserve [text block]/RuleNode_4 | ssmt-mfrs:DisclosureOfFairValueAdjustmentReserveExplanatory | nonnum:textBlockItemType | duration |
| r26.c0 | Disclosure of fair value hierarchy [text block]/RuleNode_4 | ssmt-mfrs:DisclosureOfFairValueHierarchyExplanatory | nonnum:textBlockItemType | duration |
| r27.c0 | Disclosure of fair value measurement [text block]/RuleNode_4 | ifrs-full:DisclosureOfFairValueMeasurementExplanatory | nonnum:textBlockItemType | duration |
| r28.c0 | Disclosure of finance costs [text block]/RuleNode_4 | ifrs-full:DisclosureOfFinanceCostExplanatory | nonnum:textBlockItemType | duration |
| r29.c0 | Disclosure of financial assets and liabilities that are measured at fair value [text block]/RuleNode_4 | ssmt-mfrs:DisclosureOfFinancialAssetsAndLiabilitiesThatAreMeasuredAtFairValueExplanatory | nonnum:textBlockItemType | duration |
| r30.c0 | Disclosure of financial instruments [text block]/RuleNode_4 | ifrs-full:DisclosureOfFinancialInstrumentsExplanatory | nonnum:textBlockItemType | duration |
| r31.c0 | Disclosure of other financial risk management [text block]/RuleNode_4 | ssmt-mfrs:DisclosureOfOtherFinancialRiskManagementExplanatory | nonnum:textBlockItemType | duration |
| r32.c0 | Disclosure of foreign currency risk [text block]/RuleNode_4 | ifrs-full:DisclosureOfEffectOfChangesInForeignExchangeRatesExplanatory | nonnum:textBlockItemType | duration |
| r33.c0 | Disclosure of foreign currency translation reserve [text block]/RuleNode_4 | ssmt-mfrs:DisclosureOfForeignCurrencyTranslationReserveExplanatory | nonnum:textBlockItemType | duration |
| r34.c0 | Disclosure of general and administrative expense [text block]/RuleNode_4 | ifrs-full:DisclosureOfGeneralAndAdministrativeExpenseExplanatory | nonnum:textBlockItemType | duration |
| r35.c0 | Disclosure of government grants [text block]/RuleNode_4 | ifrs-full:DisclosureOfGovernmentGrantsExplanatory | nonnum:textBlockItemType | duration |
| r36.c0 | Disclosure of impairment [text block]/RuleNode_4 | ifrs-full:DisclosureOfImpairmentOfAssetsExplanatory | nonnum:textBlockItemType | duration |
| r37.c0 | Disclosure of income [text block]/RuleNode_4 | ssmt-mfrs:DisclosureOfIncomeExplanatory | nonnum:textBlockItemType | duration |
| r38.c0 | Disclosure of income tax expense [text block]/RuleNode_4 | ifrs-full:DisclosureOfIncomeTaxExplanatory | nonnum:textBlockItemType | duration |
| r39.c0 | Disclosure of intangible assets and goodwill [text block]/RuleNode_4 | ifrs-full:DisclosureOfIntangibleAssetsAndGoodwillExplanatory | nonnum:textBlockItemType | duration |
| r40.c0 | Disclosure of interest expense [text block]/RuleNode_4 | ifrs-full:DisclosureOfInterestExpenseExplanatory | nonnum:textBlockItemType | duration |
| r41.c0 | Disclosure of interest income [text block]/RuleNode_4 | ifrs-full:DisclosureOfInterestIncomeExplanatory | nonnum:textBlockItemType | duration |
| r42.c0 | Disclosure of interest rate risk [text block]/RuleNode_4 | ssmt-mfrs:DisclosureOfInterestRateRiskExplanatory | nonnum:textBlockItemType | duration |
| r43.c0 | Disclosure of inventories [text block]/RuleNode_4 | ifrs-full:DisclosureOfInventoriesExplanatory | nonnum:textBlockItemType | duration |
| r44.c0 | Disclosure of investment in associate [text block]/RuleNode_4 | ssmt-mfrs:DisclosureOfInvestmentInAssociateExplanatory | nonnum:textBlockItemType | duration |
| r45.c0 | Disclosure of investment in joint venture [text block]/RuleNode_4 | ssmt-mfrs:DisclosureOfInvestmentInJointVentureExplanatory | nonnum:textBlockItemType | duration |
| r46.c0 | Disclosure of investment in subsidiary companies [text block]/RuleNode_4 | ssmt-mfrs:DisclosureOfInvestmentInSubsidiaryCompaniesExplanatory | nonnum:textBlockItemType | duration |
| r47.c0 | Disclosure of investment property [text block]/RuleNode_4 | ifrs-full:DisclosureOfInvestmentPropertyExplanatory | nonnum:textBlockItemType | duration |
| r48.c0 | Disclosure of investment securities [text block]/RuleNode_4 | ifrs-full:DisclosureOfInvestmentsAccountedForUsingEquityMethodExplanatory | nonnum:textBlockItemType | duration |
| r49.c0 | Disclosure of key management personnel compensation [text block]/RuleNode_4 | ssmt-mfrs:DisclosureOfKeyManagementPersonnelCompensationExplanatory | nonnum:textBlockItemType | duration |
| r50.c0 | Disclosure of liquidity risk [text block]/RuleNode_4 | ifrs-full:DisclosureOfLiquidityRiskExplanatory | nonnum:textBlockItemType | duration |
| r51.c0 | Disclosure of price risk [text block]/RuleNode_4 | ifrs-full:DisclosureOfMarketRiskExplanatory | nonnum:textBlockItemType | duration |
| r52.c0 | Disclosure of members funds [text block]/RuleNode_4 | ssmt-mfrs:DisclosureOfMembersFundsExplanatory | nonnum:textBlockItemType | duration |
| r53.c0 | Disclosure of non-current asset held-for-sale [text block]/RuleNode_4 | ifrs-full:DisclosureOfNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleExplanatory | nonnum:textBlockItemType | duration |
| r54.c0 | Disclosure of operating lease commitments [text block]/RuleNode_4 | ifrs-full:DisclosureOfLeasesExplanatory | nonnum:textBlockItemType | duration |
| r55.c0 | Disclosure of other current assets [text block]/RuleNode_4 | ifrs-full:DisclosureOfOtherCurrentAssetsExplanatory | nonnum:textBlockItemType | duration |
| r56.c0 | Disclosure of other current liabilities [text block]/RuleNode_4 | ifrs-full:DisclosureOfOtherCurrentLiabilitiesExplanatory | nonnum:textBlockItemType | duration |
| r57.c0 | Disclosure of other income [text block]/RuleNode_4 | ssmt-mfrs:DisclosureOfOtherIncomeExplanatory | nonnum:textBlockItemType | duration |
| r58.c0 | Disclosure of other investment [text block]/RuleNode_4 | ssmt-mfrs:DisclosureOfOtherInvestmentsExplanatory | nonnum:textBlockItemType | duration |
| r59.c0 | Disclosure of other non-current assets [text block]/RuleNode_4 | ifrs-full:DisclosureOfOtherNoncurrentAssetsExplanatory | nonnum:textBlockItemType | duration |
| r60.c0 | Disclosure of other non-current liabilities [text block]/RuleNode_4 | ifrs-full:DisclosureOfOtherNoncurrentLiabilitiesExplanatory | nonnum:textBlockItemType | duration |
| r61.c0 | Disclosure of other notes to accounts [text block]/RuleNode_4 | ssmt-mfrs:DisclosureOfOtherNotesToAccountsExplanatory | nonnum:textBlockItemType | duration |
| r62.c0 | Disclosure of other operating expenses [text block]/RuleNode_4 | ifrs-full:DisclosureOfOtherOperatingExpenseExplanatory | nonnum:textBlockItemType | duration |
| r63.c0 | Disclosure of other operating income [text block]/RuleNode_4 | ifrs-full:DisclosureOfOtherOperatingIncomeExplanatory | nonnum:textBlockItemType | duration |
| r64.c0 | Disclosure of other reserves [text block]/RuleNode_4 | ssmt-mfrs:DisclosureOfOtherReservesExplanatory | nonnum:textBlockItemType | duration |
| r65.c0 | Disclosure of post employment benefit obligation [text block]/RuleNode_4 | ssmt-mfrs:DisclosureOfPostEmploymentBenefitObligationsExplanatory | nonnum:textBlockItemType | duration |
| r66.c0 | Disclosure of prior year adjustments [text block]/RuleNode_4 | ssmt-mfrs:DisclosureOfPriorPeriodAdjustmentsExplanatory | nonnum:textBlockItemType | duration |
| r67.c0 | Disclosure of profit before tax [text block]/RuleNode_4 | ifrs-full:DisclosureOfProfitLossFromOperatingActivitiesExplanatory | nonnum:textBlockItemType | duration |
| r68.c0 | Disclosure of property, plant and equipment [text block]/RuleNode_4 | ifrs-full:DisclosureOfPropertyPlantAndEquipmentExplanatory | nonnum:textBlockItemType | duration |
| r69.c0 | Disclosure of retained earnings [text block]/RuleNode_4 | ssmt-mfrs:DisclosureOfRetainedEarningsExplanatory | nonnum:textBlockItemType | duration |
| r70.c0 | Disclosure of revaluation reserve [text block]/RuleNode_4 | ssmt-mfrs:DisclosureOfRevaluationReserveExplanatory | nonnum:textBlockItemType | duration |
| r71.c0 | Disclosure of trade and other payables [text block]/RuleNode_4 | ifrs-full:DisclosureOfTradeAndOtherPayablesExplanatory | nonnum:textBlockItemType | duration |
| r72.c0 | Disclosure of trade and other receivables [text block]/RuleNode_4 | ifrs-full:DisclosureOfTradeAndOtherReceivablesExplanatory | nonnum:textBlockItemType | duration |
| r73.c0 | Disclosure of valuation processes applied by the group for level 3 fair value [text block]/RuleNode_4 | ssmt-mfrs:DisclosureOfValuationProcessAppliedByGroupForLevel3FairValueExplanatory | nonnum:textBlockItemType | duration |