| r0.c0 | RuleNode_2/Group [member] | | | | ifrs-full:ConsolidatedMember | N/A |
| r0.c1 | RuleNode_2/Company [member] | | | | ifrs-full:SeparateMember | N/A |
| r1.c0 | Statement of cash flows [abstract]/Group [member] | ifrs-full:StatementOfCashFlowsAbstract | xbrli:stringItemType | duration | ifrs-full:ConsolidatedMember | N/A |
| r1.c1 | Statement of cash flows [abstract]/Company [member] | ifrs-full:StatementOfCashFlowsAbstract | xbrli:stringItemType | duration | ifrs-full:SeparateMember | N/A |
| r2.c0 | Cash flows from operating activities [abstract]/Group [member] | ifrs-full:CashFlowsFromUsedInOperatingActivitiesAbstract | xbrli:stringItemType | duration | ifrs-full:ConsolidatedMember | N/A |
| r2.c1 | Cash flows from operating activities [abstract]/Company [member] | ifrs-full:CashFlowsFromUsedInOperatingActivitiesAbstract | xbrli:stringItemType | duration | ifrs-full:SeparateMember | N/A |
| r3.c0 | Surplus (deficit) of income over expenditure before taxation/Group [member] | ifrs-full:ProfitLossBeforeTax | xbrli:monetaryItemType | duration | ifrs-full:ConsolidatedMember | iso4217:MYR |
| r3.c1 | Surplus (deficit) of income over expenditure before taxation/Company [member] | ifrs-full:ProfitLossBeforeTax | xbrli:monetaryItemType | duration | ifrs-full:SeparateMember | iso4217:MYR |
| r4.c0 | Surplus (deficit) before tax, from discontinued operations/Group [member] | ifrs-full:ProfitLossBeforeTaxDiscontinuedOperations | xbrli:monetaryItemType | duration | ifrs-full:ConsolidatedMember | iso4217:MYR |
| r4.c1 | Surplus (deficit) before tax, from discontinued operations/Company [member] | ifrs-full:ProfitLossBeforeTaxDiscontinuedOperations | xbrli:monetaryItemType | duration | ifrs-full:SeparateMember | iso4217:MYR |
| r5.c0 | Total surplus (deficit) before tax/Group [member] | ssmt-mfrs:AggregateProfitLossBeforeTax | xbrli:monetaryItemType | duration | ifrs-full:ConsolidatedMember | iso4217:MYR |
| r5.c1 | Total surplus (deficit) before tax/Company [member] | ssmt-mfrs:AggregateProfitLossBeforeTax | xbrli:monetaryItemType | duration | ifrs-full:SeparateMember | iso4217:MYR |
| r6.c0 | Adjustments to reconcile profit (loss) [Abstract]/Group [member] | ifrs-full:AdjustmentsForReconcileProfitLossAbstract | xbrli:stringItemType | duration | ifrs-full:ConsolidatedMember | N/A |
| r6.c1 | Adjustments to reconcile profit (loss) [Abstract]/Company [member] | ifrs-full:AdjustmentsForReconcileProfitLossAbstract | xbrli:stringItemType | duration | ifrs-full:SeparateMember | N/A |
| r7.c0 | Adjustments for finance costs/Group [member] | ifrs-full:AdjustmentsForFinanceCosts | xbrli:monetaryItemType | duration | ifrs-full:ConsolidatedMember | iso4217:MYR |
| r7.c1 | Adjustments for finance costs/Company [member] | ifrs-full:AdjustmentsForFinanceCosts | xbrli:monetaryItemType | duration | ifrs-full:SeparateMember | iso4217:MYR |
| r8.c0 | Adjustment for allowance for doubtful debts/Group [member] | ssmt-mfrs:AdjustmentsForAllowanceForDoubtfulDebts | xbrli:monetaryItemType | duration | ifrs-full:ConsolidatedMember | iso4217:MYR |
| r8.c1 | Adjustment for allowance for doubtful debts/Company [member] | ssmt-mfrs:AdjustmentsForAllowanceForDoubtfulDebts | xbrli:monetaryItemType | duration | ifrs-full:SeparateMember | iso4217:MYR |
| r9.c0 | Adjustments for depreciation/Group [member] | ifrs-full:AdjustmentsForDepreciationExpense | xbrli:monetaryItemType | duration | ifrs-full:ConsolidatedMember | iso4217:MYR |
| r9.c1 | Adjustments for depreciation/Company [member] | ifrs-full:AdjustmentsForDepreciationExpense | xbrli:monetaryItemType | duration | ifrs-full:SeparateMember | iso4217:MYR |
| r10.c0 | Adjustment for amortisation of intangible assets/Group [member] | ifrs-full:AdjustmentsForAmortisationExpense | xbrli:monetaryItemType | duration | ifrs-full:ConsolidatedMember | iso4217:MYR |
| r10.c1 | Adjustment for amortisation of intangible assets/Company [member] | ifrs-full:AdjustmentsForAmortisationExpense | xbrli:monetaryItemType | duration | ifrs-full:SeparateMember | iso4217:MYR |
| r11.c0 | Adjustment for dividend income/Group [member] | ifrs-full:AdjustmentsForDividendIncome | xbrli:monetaryItemType | duration | ifrs-full:ConsolidatedMember | iso4217:MYR |
| r11.c1 | Adjustment for dividend income/Company [member] | ifrs-full:AdjustmentsForDividendIncome | xbrli:monetaryItemType | duration | ifrs-full:SeparateMember | iso4217:MYR |
| r12.c0 | (Gain) loss on disposal of investment properties/Group [member] | ssmt-mfrs:AdjustmentsForGainLossOnDisposalOfInvestmentProperty | xbrli:monetaryItemType | duration | ifrs-full:ConsolidatedMember | iso4217:MYR |
| r12.c1 | (Gain) loss on disposal of investment properties/Company [member] | ssmt-mfrs:AdjustmentsForGainLossOnDisposalOfInvestmentProperty | xbrli:monetaryItemType | duration | ifrs-full:SeparateMember | iso4217:MYR |
| r13.c0 | (Gain) loss on disposal of subsidiaries, associates and joint ventures/Group [member] | ifrs-full:AdjustmentsForGainLossOnDisposalOfInvestmentsInSubsidiariesJointVenturesAndAssociates | xbrli:monetaryItemType | duration | ifrs-full:ConsolidatedMember | iso4217:MYR |
| r13.c1 | (Gain) loss on disposal of subsidiaries, associates and joint ventures/Company [member] | ifrs-full:AdjustmentsForGainLossOnDisposalOfInvestmentsInSubsidiariesJointVenturesAndAssociates | xbrli:monetaryItemType | duration | ifrs-full:SeparateMember | iso4217:MYR |
| r14.c0 | Adjustment for finance income/Group [member] | ifrs-full:AdjustmentsForFinanceIncome | xbrli:monetaryItemType | duration | ifrs-full:ConsolidatedMember | iso4217:MYR |
| r14.c1 | Adjustment for finance income/Company [member] | ifrs-full:AdjustmentsForFinanceIncome | xbrli:monetaryItemType | duration | ifrs-full:SeparateMember | iso4217:MYR |
| r15.c0 | Write offs of property, plant and equipment/Group [member] | ssmt-mfrs:AdjustmentsForDecreaseIncreaseInPropertyPlantAndEquipmentWrittenOff | xbrli:monetaryItemType | duration | ifrs-full:ConsolidatedMember | iso4217:MYR |
| r15.c1 | Write offs of property, plant and equipment/Company [member] | ssmt-mfrs:AdjustmentsForDecreaseIncreaseInPropertyPlantAndEquipmentWrittenOff | xbrli:monetaryItemType | duration | ifrs-full:SeparateMember | iso4217:MYR |
| r16.c0 | Amortisation of government grants/Group [member] | ssmt-mfrs:AdjustmentsForAmortisationOfGovernmentGrants | xbrli:monetaryItemType | duration | ifrs-full:ConsolidatedMember | iso4217:MYR |
| r16.c1 | Amortisation of government grants/Company [member] | ssmt-mfrs:AdjustmentsForAmortisationOfGovernmentGrants | xbrli:monetaryItemType | duration | ifrs-full:SeparateMember | iso4217:MYR |
| r17.c0 | Write offs of trade and other receivables/Group [member] | ssmt-mfrs:WritedownsOfTradeAndOtherReceivables | xbrli:monetaryItemType | duration | ifrs-full:ConsolidatedMember | iso4217:MYR |
| r17.c1 | Write offs of trade and other receivables/Company [member] | ssmt-mfrs:WritedownsOfTradeAndOtherReceivables | xbrli:monetaryItemType | duration | ifrs-full:SeparateMember | iso4217:MYR |
| r18.c0 | Other adjustments to reconcile surplus (deficit)/Group [member] | ifrs-full:OtherAdjustmentsToReconcileProfitLoss | xbrli:monetaryItemType | duration | ifrs-full:ConsolidatedMember | iso4217:MYR |
| r18.c1 | Other adjustments to reconcile surplus (deficit)/Company [member] | ifrs-full:OtherAdjustmentsToReconcileProfitLoss | xbrli:monetaryItemType | duration | ifrs-full:SeparateMember | iso4217:MYR |
| r19.c0 | Total adjustments to reconcile surplus (deficit)/Group [member] | ifrs-full:AdjustmentsForReconcileProfitLoss | xbrli:monetaryItemType | duration | ifrs-full:ConsolidatedMember | iso4217:MYR |
| r19.c1 | Total adjustments to reconcile surplus (deficit)/Company [member] | ifrs-full:AdjustmentsForReconcileProfitLoss | xbrli:monetaryItemType | duration | ifrs-full:SeparateMember | iso4217:MYR |
| r20.c0 | Operating surplus (deficit) before changes in working capital/Group [member] | ifrs-full:CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital | xbrli:monetaryItemType | duration | ifrs-full:ConsolidatedMember | iso4217:MYR |
| r20.c1 | Operating surplus (deficit) before changes in working capital/Company [member] | ifrs-full:CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital | xbrli:monetaryItemType | duration | ifrs-full:SeparateMember | iso4217:MYR |
| r21.c0 | Changes in working capital [abstract]/Group [member] | ssmt-mfrs:ChangesInWorkingCapitalAbstract | xbrli:stringItemType | duration | ifrs-full:ConsolidatedMember | N/A |
| r21.c1 | Changes in working capital [abstract]/Company [member] | ssmt-mfrs:ChangesInWorkingCapitalAbstract | xbrli:stringItemType | duration | ifrs-full:SeparateMember | N/A |
| r22.c0 | Adjustments for decrease (increase) in inventories/Group [member] | ifrs-full:AdjustmentsForDecreaseIncreaseInInventories | xbrli:monetaryItemType | duration | ifrs-full:ConsolidatedMember | iso4217:MYR |
| r22.c1 | Adjustments for decrease (increase) in inventories/Company [member] | ifrs-full:AdjustmentsForDecreaseIncreaseInInventories | xbrli:monetaryItemType | duration | ifrs-full:SeparateMember | iso4217:MYR |
| r23.c0 | Adjustments for decrease (increase) in trade and other receivables/Group [member] | ifrs-full:AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivables | xbrli:monetaryItemType | duration | ifrs-full:ConsolidatedMember | iso4217:MYR |
| r23.c1 | Adjustments for decrease (increase) in trade and other receivables/Company [member] | ifrs-full:AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivables | xbrli:monetaryItemType | duration | ifrs-full:SeparateMember | iso4217:MYR |
| r24.c0 | Adjustments for increase (decrease) in trade and other payables/Group [member] | ifrs-full:AdjustmentsForIncreaseDecreaseInTradeAndOtherPayables | xbrli:monetaryItemType | duration | ifrs-full:ConsolidatedMember | iso4217:MYR |
| r24.c1 | Adjustments for increase (decrease) in trade and other payables/Company [member] | ifrs-full:AdjustmentsForIncreaseDecreaseInTradeAndOtherPayables | xbrli:monetaryItemType | duration | ifrs-full:SeparateMember | iso4217:MYR |
| r25.c0 | Adjustments for decrease (increase) in other changes in working capital/Group [member] | ifrs-full:AdjustmentsToReconcileProfitLossOtherThanChangesInWorkingCapital | xbrli:monetaryItemType | duration | ifrs-full:ConsolidatedMember | iso4217:MYR |
| r25.c1 | Adjustments for decrease (increase) in other changes in working capital/Company [member] | ifrs-full:AdjustmentsToReconcileProfitLossOtherThanChangesInWorkingCapital | xbrli:monetaryItemType | duration | ifrs-full:SeparateMember | iso4217:MYR |
| r26.c0 | Total changes in working capital/Group [member] | ifrs-full:IncreaseDecreaseInWorkingCapital | xbrli:monetaryItemType | duration | ifrs-full:ConsolidatedMember | iso4217:MYR |
| r26.c1 | Total changes in working capital/Company [member] | ifrs-full:IncreaseDecreaseInWorkingCapital | xbrli:monetaryItemType | duration | ifrs-full:SeparateMember | iso4217:MYR |
| r27.c0 | Cash generated from (used in) operations/Group [member] | ifrs-full:CashFlowsFromUsedInOperations | xbrli:monetaryItemType | duration | ifrs-full:ConsolidatedMember | iso4217:MYR |
| r27.c1 | Cash generated from (used in) operations/Company [member] | ifrs-full:CashFlowsFromUsedInOperations | xbrli:monetaryItemType | duration | ifrs-full:SeparateMember | iso4217:MYR |
| r28.c0 | Dividends received/Group [member] | ifrs-full:DividendsReceivedClassifiedAsOperatingActivities | xbrli:monetaryItemType | duration | ifrs-full:ConsolidatedMember | iso4217:MYR |
| r28.c1 | Dividends received/Company [member] | ifrs-full:DividendsReceivedClassifiedAsOperatingActivities | xbrli:monetaryItemType | duration | ifrs-full:SeparateMember | iso4217:MYR |
| r29.c0 | Dividends paid/Group [member] | ifrs-full:DividendsPaidClassifiedAsOperatingActivities | xbrli:monetaryItemType | duration | ifrs-full:ConsolidatedMember | iso4217:MYR |
| r29.c1 | Dividends paid/Company [member] | ifrs-full:DividendsPaidClassifiedAsOperatingActivities | xbrli:monetaryItemType | duration | ifrs-full:SeparateMember | iso4217:MYR |
| r30.c0 | Interest received/Group [member] | ifrs-full:InterestReceivedClassifiedAsOperatingActivities | xbrli:monetaryItemType | duration | ifrs-full:ConsolidatedMember | iso4217:MYR |
| r30.c1 | Interest received/Company [member] | ifrs-full:InterestReceivedClassifiedAsOperatingActivities | xbrli:monetaryItemType | duration | ifrs-full:SeparateMember | iso4217:MYR |
| r31.c0 | Interest paid/Group [member] | ifrs-full:InterestPaidClassifiedAsOperatingActivities | xbrli:monetaryItemType | duration | ifrs-full:ConsolidatedMember | iso4217:MYR |
| r31.c1 | Interest paid/Company [member] | ifrs-full:InterestPaidClassifiedAsOperatingActivities | xbrli:monetaryItemType | duration | ifrs-full:SeparateMember | iso4217:MYR |
| r32.c0 | Profit sharing from mudharabah accounts received/Group [member] | ssmt-mfrs:ProfitSharingFromMudharabahAccountsReceived | xbrli:monetaryItemType | duration | ifrs-full:ConsolidatedMember | iso4217:MYR |
| r32.c1 | Profit sharing from mudharabah accounts received/Company [member] | ssmt-mfrs:ProfitSharingFromMudharabahAccountsReceived | xbrli:monetaryItemType | duration | ifrs-full:SeparateMember | iso4217:MYR |
| r33.c0 | Income taxes refund (paid)/Group [member] | ifrs-full:IncomeTaxesPaidRefundClassifiedAsOperatingActivities | xbrli:monetaryItemType | duration | ifrs-full:ConsolidatedMember | iso4217:MYR |
| r33.c1 | Income taxes refund (paid)/Company [member] | ifrs-full:IncomeTaxesPaidRefundClassifiedAsOperatingActivities | xbrli:monetaryItemType | duration | ifrs-full:SeparateMember | iso4217:MYR |
| r34.c0 | Other cash inflows (outflows) from operating activities/Group [member] | ifrs-full:OtherInflowsOutflowsOfCashClassifiedAsOperatingActivities | xbrli:monetaryItemType | duration | ifrs-full:ConsolidatedMember | iso4217:MYR |
| r34.c1 | Other cash inflows (outflows) from operating activities/Company [member] | ifrs-full:OtherInflowsOutflowsOfCashClassifiedAsOperatingActivities | xbrli:monetaryItemType | duration | ifrs-full:SeparateMember | iso4217:MYR |
| r35.c0 | Net cash generated from (used in) operating activities/Group [member] | ifrs-full:CashFlowsFromUsedInOperatingActivities | xbrli:monetaryItemType | duration | ifrs-full:ConsolidatedMember | iso4217:MYR |
| r35.c1 | Net cash generated from (used in) operating activities/Company [member] | ifrs-full:CashFlowsFromUsedInOperatingActivities | xbrli:monetaryItemType | duration | ifrs-full:SeparateMember | iso4217:MYR |
| r36.c0 | Cash flows from investing activities [abstract]/Group [member] | ifrs-full:CashFlowsFromUsedInInvestingActivitiesAbstract | xbrli:stringItemType | duration | ifrs-full:ConsolidatedMember | N/A |
| r36.c1 | Cash flows from investing activities [abstract]/Company [member] | ifrs-full:CashFlowsFromUsedInInvestingActivitiesAbstract | xbrli:stringItemType | duration | ifrs-full:SeparateMember | N/A |
| r37.c0 | Proceeds from sales of property, plant and equipment/Group [member] | ifrs-full:ProceedsFromSalesOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities | xbrli:monetaryItemType | duration | ifrs-full:ConsolidatedMember | iso4217:MYR |
| r37.c1 | Proceeds from sales of property, plant and equipment/Company [member] | ifrs-full:ProceedsFromSalesOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities | xbrli:monetaryItemType | duration | ifrs-full:SeparateMember | iso4217:MYR |
| r38.c0 | Purchase of property, plant and equipment/Group [member] | ifrs-full:PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities | xbrli:monetaryItemType | duration | ifrs-full:ConsolidatedMember | iso4217:MYR |
| r38.c1 | Purchase of property, plant and equipment/Company [member] | ifrs-full:PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities | xbrli:monetaryItemType | duration | ifrs-full:SeparateMember | iso4217:MYR |
| r39.c0 | Purchase of intangible assets/Group [member] | ifrs-full:PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities | xbrli:monetaryItemType | duration | ifrs-full:ConsolidatedMember | iso4217:MYR |
| r39.c1 | Purchase of intangible assets/Company [member] | ifrs-full:PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities | xbrli:monetaryItemType | duration | ifrs-full:SeparateMember | iso4217:MYR |
| r40.c0 | Proceeds from sale of investment properties/Group [member] | ifrs-full:ProceedsFromSalesOfInvestmentProperty | xbrli:monetaryItemType | duration | ifrs-full:ConsolidatedMember | iso4217:MYR |
| r40.c1 | Proceeds from sale of investment properties/Company [member] | ifrs-full:ProceedsFromSalesOfInvestmentProperty | xbrli:monetaryItemType | duration | ifrs-full:SeparateMember | iso4217:MYR |
| r41.c0 | Purchase of investment properties/Group [member] | ifrs-full:PurchaseOfInvestmentProperty | xbrli:monetaryItemType | duration | ifrs-full:ConsolidatedMember | iso4217:MYR |
| r41.c1 | Purchase of investment properties/Company [member] | ifrs-full:PurchaseOfInvestmentProperty | xbrli:monetaryItemType | duration | ifrs-full:SeparateMember | iso4217:MYR |
| r42.c0 | Proceeds from sale of other investment/Group [member] | ifrs-full:ProceedsFromSalesOfInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod | xbrli:monetaryItemType | duration | ifrs-full:ConsolidatedMember | iso4217:MYR |
| r42.c1 | Proceeds from sale of other investment/Company [member] | ifrs-full:ProceedsFromSalesOfInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod | xbrli:monetaryItemType | duration | ifrs-full:SeparateMember | iso4217:MYR |
| r43.c0 | Government research grants received/Group [member] | ssmt-mfrs:GrantsReceivedFromGovernmentResearch | xbrli:monetaryItemType | duration | ifrs-full:ConsolidatedMember | iso4217:MYR |
| r43.c1 | Government research grants received/Company [member] | ssmt-mfrs:GrantsReceivedFromGovernmentResearch | xbrli:monetaryItemType | duration | ifrs-full:SeparateMember | iso4217:MYR |
| r44.c0 | Proceed from disposal of subsidiary/Group [member] | ifrs-full:CashFlowsFromLosingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities | xbrli:monetaryItemType | duration | ifrs-full:ConsolidatedMember | iso4217:MYR |
| r44.c1 | Proceed from disposal of subsidiary/Company [member] | ifrs-full:CashFlowsFromLosingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities | xbrli:monetaryItemType | duration | ifrs-full:SeparateMember | iso4217:MYR |
| r45.c0 | Net movement in short-term investments and fixed deposits/Group [member] | ifrs-full:CashFlowsFromUsedInDecreaseIncreaseInShorttermDepositsAndInvestments | xbrli:monetaryItemType | duration | ifrs-full:ConsolidatedMember | iso4217:MYR |
| r45.c1 | Net movement in short-term investments and fixed deposits/Company [member] | ifrs-full:CashFlowsFromUsedInDecreaseIncreaseInShorttermDepositsAndInvestments | xbrli:monetaryItemType | duration | ifrs-full:SeparateMember | iso4217:MYR |
| r46.c0 | Dividend received/Group [member] | ifrs-full:DividendsReceivedClassifiedAsInvestingActivities | xbrli:monetaryItemType | duration | ifrs-full:ConsolidatedMember | iso4217:MYR |
| r46.c1 | Dividend received/Company [member] | ifrs-full:DividendsReceivedClassifiedAsInvestingActivities | xbrli:monetaryItemType | duration | ifrs-full:SeparateMember | iso4217:MYR |
| r47.c0 | Interest received/Group [member] | ifrs-full:InterestReceivedClassifiedAsInvestingActivities | xbrli:monetaryItemType | duration | ifrs-full:ConsolidatedMember | iso4217:MYR |
| r47.c1 | Interest received/Company [member] | ifrs-full:InterestReceivedClassifiedAsInvestingActivities | xbrli:monetaryItemType | duration | ifrs-full:SeparateMember | iso4217:MYR |
| r48.c0 | Other cash inflows (outflows) from investing activities/Group [member] | ifrs-full:OtherInflowsOutflowsOfCashClassifiedAsInvestingActivities | xbrli:monetaryItemType | duration | ifrs-full:ConsolidatedMember | iso4217:MYR |
| r48.c1 | Other cash inflows (outflows) from investing activities/Company [member] | ifrs-full:OtherInflowsOutflowsOfCashClassifiedAsInvestingActivities | xbrli:monetaryItemType | duration | ifrs-full:SeparateMember | iso4217:MYR |
| r49.c0 | Net cash (used in) generated from investing activities/Group [member] | ifrs-full:CashFlowsFromUsedInInvestingActivities | xbrli:monetaryItemType | duration | ifrs-full:ConsolidatedMember | iso4217:MYR |
| r49.c1 | Net cash (used in) generated from investing activities/Company [member] | ifrs-full:CashFlowsFromUsedInInvestingActivities | xbrli:monetaryItemType | duration | ifrs-full:SeparateMember | iso4217:MYR |
| r50.c0 | Cash flows from financing activities [abstract]/Group [member] | ifrs-full:CashFlowsFromUsedInFinancingActivitiesAbstract | xbrli:stringItemType | duration | ifrs-full:ConsolidatedMember | N/A |
| r50.c1 | Cash flows from financing activities [abstract]/Company [member] | ifrs-full:CashFlowsFromUsedInFinancingActivitiesAbstract | xbrli:stringItemType | duration | ifrs-full:SeparateMember | N/A |
| r51.c0 | Contribution from government/Group [member] | ssmt-mfrs:ContributionFromGovernment | xbrli:monetaryItemType | duration | ifrs-full:ConsolidatedMember | iso4217:MYR |
| r51.c1 | Contribution from government/Company [member] | ssmt-mfrs:ContributionFromGovernment | xbrli:monetaryItemType | duration | ifrs-full:SeparateMember | iso4217:MYR |
| r52.c0 | Proceeds from issuing debentures, loans, notes, bonds, mortgages and other short-term and lond-term borrowings/Group [member] | ifrs-full:ProceedsFromBorrowingsClassifiedAsFinancingActivities | xbrli:monetaryItemType | duration | ifrs-full:ConsolidatedMember | iso4217:MYR |
| r52.c1 | Proceeds from issuing debentures, loans, notes, bonds, mortgages and other short-term and lond-term borrowings/Company [member] | ifrs-full:ProceedsFromBorrowingsClassifiedAsFinancingActivities | xbrli:monetaryItemType | duration | ifrs-full:SeparateMember | iso4217:MYR |
| r53.c0 | Repayments of amounts borrowed/Group [member] | ifrs-full:RepaymentsOfBorrowingsClassifiedAsFinancingActivities | xbrli:monetaryItemType | duration | ifrs-full:ConsolidatedMember | iso4217:MYR |
| r53.c1 | Repayments of amounts borrowed/Company [member] | ifrs-full:RepaymentsOfBorrowingsClassifiedAsFinancingActivities | xbrli:monetaryItemType | duration | ifrs-full:SeparateMember | iso4217:MYR |
| r54.c0 | Withdrawal(Placement) of bank deposits/Group [member] | ssmt-mfrs:WithdrawalOfBankDeposits | xbrli:monetaryItemType | duration | ifrs-full:ConsolidatedMember | iso4217:MYR |
| r54.c1 | Withdrawal(Placement) of bank deposits/Company [member] | ssmt-mfrs:WithdrawalOfBankDeposits | xbrli:monetaryItemType | duration | ifrs-full:SeparateMember | iso4217:MYR |
| r55.c0 | Withdrawal(Placement) of securities pledged for borrowings/Group [member] | ssmt-mfrs:WithdrawalOfSecuritiesPledgedForBorrowings | xbrli:monetaryItemType | duration | ifrs-full:ConsolidatedMember | iso4217:MYR |
| r55.c1 | Withdrawal(Placement) of securities pledged for borrowings/Company [member] | ssmt-mfrs:WithdrawalOfSecuritiesPledgedForBorrowings | xbrli:monetaryItemType | duration | ifrs-full:SeparateMember | iso4217:MYR |
| r56.c0 | Payments made to non-controlling interests/Group [member] | ssmt-mfrs:PaymentsMadeToAcquireNoncontrollingInterest | xbrli:monetaryItemType | duration | ifrs-full:ConsolidatedMember | iso4217:MYR |
| r56.c1 | Payments made to non-controlling interests/Company [member] | ssmt-mfrs:PaymentsMadeToAcquireNoncontrollingInterest | xbrli:monetaryItemType | duration | ifrs-full:SeparateMember | iso4217:MYR |
| r57.c0 | Proceeds from issuing shares or other equity instruments/Group [member] | ifrs-full:ProceedsFromIssuingShares | xbrli:monetaryItemType | duration | ifrs-full:ConsolidatedMember | iso4217:MYR |
| r57.c1 | Proceeds from issuing shares or other equity instruments/Company [member] | ifrs-full:ProceedsFromIssuingShares | xbrli:monetaryItemType | duration | ifrs-full:SeparateMember | iso4217:MYR |
| r58.c0 | Proceeds from redeemable non-cumulative preference shares/Group [member] | ssmt-mfrs:ProceedsFromRedeemableNoncumulativePreferenceShares | xbrli:monetaryItemType | duration | ifrs-full:ConsolidatedMember | iso4217:MYR |
| r58.c1 | Proceeds from redeemable non-cumulative preference shares/Company [member] | ssmt-mfrs:ProceedsFromRedeemableNoncumulativePreferenceShares | xbrli:monetaryItemType | duration | ifrs-full:SeparateMember | iso4217:MYR |
| r59.c0 | Dividends paid/Group [member] | ifrs-full:DividendsPaidClassifiedAsFinancingActivities | xbrli:monetaryItemType | duration | ifrs-full:ConsolidatedMember | iso4217:MYR |
| r59.c1 | Dividends paid/Company [member] | ifrs-full:DividendsPaidClassifiedAsFinancingActivities | xbrli:monetaryItemType | duration | ifrs-full:SeparateMember | iso4217:MYR |
| r60.c0 | Interest paid/Group [member] | ifrs-full:InterestPaidClassifiedAsFinancingActivities | xbrli:monetaryItemType | duration | ifrs-full:ConsolidatedMember | iso4217:MYR |
| r60.c1 | Interest paid/Company [member] | ifrs-full:InterestPaidClassifiedAsFinancingActivities | xbrli:monetaryItemType | duration | ifrs-full:SeparateMember | iso4217:MYR |
| r61.c0 | Other cash inflows (outflows) from financing activities/Group [member] | ifrs-full:OtherInflowsOutflowsOfCashClassifiedAsFinancingActivities | xbrli:monetaryItemType | duration | ifrs-full:ConsolidatedMember | iso4217:MYR |
| r61.c1 | Other cash inflows (outflows) from financing activities/Company [member] | ifrs-full:OtherInflowsOutflowsOfCashClassifiedAsFinancingActivities | xbrli:monetaryItemType | duration | ifrs-full:SeparateMember | iso4217:MYR |
| r62.c0 | Net cash flows from (used in) financing activities/Group [member] | ifrs-full:CashFlowsFromUsedInFinancingActivities | xbrli:monetaryItemType | duration | ifrs-full:ConsolidatedMember | iso4217:MYR |
| r62.c1 | Net cash flows from (used in) financing activities/Company [member] | ifrs-full:CashFlowsFromUsedInFinancingActivities | xbrli:monetaryItemType | duration | ifrs-full:SeparateMember | iso4217:MYR |
| r63.c0 | Net increase (decrease) in cash and cash equivalents before effect of exchange rate changes/Group [member] | ifrs-full:IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges | xbrli:monetaryItemType | duration | ifrs-full:ConsolidatedMember | iso4217:MYR |
| r63.c1 | Net increase (decrease) in cash and cash equivalents before effect of exchange rate changes/Company [member] | ifrs-full:IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges | xbrli:monetaryItemType | duration | ifrs-full:SeparateMember | iso4217:MYR |
| r64.c0 | Effect of exchange rate changes on cash and cash equivalents/Group [member] | ifrs-full:EffectOfExchangeRateChangesOnCashAndCashEquivalents | xbrli:monetaryItemType | duration | ifrs-full:ConsolidatedMember | iso4217:MYR |
| r64.c1 | Effect of exchange rate changes on cash and cash equivalents/Company [member] | ifrs-full:EffectOfExchangeRateChangesOnCashAndCashEquivalents | xbrli:monetaryItemType | duration | ifrs-full:SeparateMember | iso4217:MYR |
| r65.c0 | Net increase (decrease) in cash and cash equivalents/Group [member] | ifrs-full:IncreaseDecreaseInCashAndCashEquivalents | xbrli:monetaryItemType | duration | ifrs-full:ConsolidatedMember | iso4217:MYR |
| r65.c1 | Net increase (decrease) in cash and cash equivalents/Company [member] | ifrs-full:IncreaseDecreaseInCashAndCashEquivalents | xbrli:monetaryItemType | duration | ifrs-full:SeparateMember | iso4217:MYR |
| r66.c0 | Cash and cash equivalents at the beginning of the year/Group [member] | ifrs-full:CashAndCashEquivalents | xbrli:monetaryItemType | instant | ifrs-full:ConsolidatedMember | iso4217:MYR |
| r66.c1 | Cash and cash equivalents at the beginning of the year/Company [member] | ifrs-full:CashAndCashEquivalents | xbrli:monetaryItemType | instant | ifrs-full:SeparateMember | iso4217:MYR |
| r67.c0 | Cash and cash equivalents at the end of the year/Group [member] | ifrs-full:CashAndCashEquivalents | xbrli:monetaryItemType | instant | ifrs-full:ConsolidatedMember | iso4217:MYR |
| r67.c1 | Cash and cash equivalents at the end of the year/Company [member] | ifrs-full:CashAndCashEquivalents | xbrli:monetaryItemType | instant | ifrs-full:SeparateMember | iso4217:MYR |