| Line |
Label |
Object Class |
Period Type |
Balance |
Report ElementName |
| 1 |
0001000 - Document - Document and Entity Information Document |
Network |
* |
* |
http://www.summitplc.com/role/DocumentAndEntityInformationDocument |
| 2 |
Implied Table |
Table |
* |
* |
implied:Table |
| 3 |
Document And Entity Information [Abstract] |
Abstract |
|
|
smmt:DocumentAndEntityInformationAbstract |
| 4 |
Document type |
Concept (Submission Type) |
For Period |
|
dei:DocumentType |
| 5 |
Document period end date |
Concept (Date) |
For Period |
|
dei:DocumentPeriodEndDate |
| 6 |
Amendment flag |
Concept (Yes/No) |
For Period |
|
dei:AmendmentFlag |
| 7 |
Registrant name |
Concept (Text/String) |
For Period |
|
dei:EntityRegistrantName |
| 8 |
Central index key |
Concept (CIK Number) |
For Period |
|
dei:EntityCentralIndexKey |
| 9 |
Current reporting status |
Concept (Yes/No) |
For Period |
|
dei:EntityCurrentReportingStatus |
| 10 |
Current fiscal year end date |
Concept (Month/Day) |
For Period |
|
dei:CurrentFiscalYearEndDate |
| 11 |
Filer category |
Concept (Filer Category) |
For Period |
|
dei:EntityFilerCategory |
| 12 |
Entity well known seasoned issuer |
Concept (Yes/No) |
For Period |
|
dei:EntityWellKnownSeasonedIssuer |
| 13 |
Document fiscal year focus |
Concept (Year) |
For Period |
|
dei:DocumentFiscalYearFocus |
| 14 |
Document fiscal period focus |
Concept (Fiscal Period) |
For Period |
|
dei:DocumentFiscalPeriodFocus |
| 15 |
Entity common stock shares outstanding |
Concept (Shares) |
As Of |
|
dei:EntityCommonStockSharesOutstanding |
| 16 |
1001000 - Statement - Consolidated Statement of Financial Position |
Network |
* |
* |
http://www.summitplc.com/role/ConsolidatedStatementOfFinancialPosition |
| 17 |
Implied Table |
Table |
* |
* |
implied:Table |
| 18 |
Statement of financial position [abstract] |
Abstract |
|
|
ifrs-full:StatementOfFinancialPositionAbstract |
| 19 |
ASSETS |
Abstract |
|
|
ifrs-full:AssetsAbstract |
| 20 |
Non-current assets |
Abstract |
|
|
ifrs-full:NoncurrentAssetsAbstract |
| 21 |
Goodwill |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:Goodwill |
| 22 |
Intangible assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:IntangibleAssetsOtherThanGoodwill |
| 23 |
Property, plant and equipment |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:PropertyPlantAndEquipment |
| 24 |
Non-current assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:NoncurrentAssets |
| 25 |
Current assets |
Abstract |
|
|
ifrs-full:CurrentAssetsAbstract |
| 26 |
Trade and other receivables |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:TradeAndOtherCurrentReceivables |
| 27 |
Current tax receivable |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CurrentReceivablesFromTaxesOtherThanIncomeTax |
| 28 |
Cash and cash equivalents |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CashAndCashEquivalents |
| 29 |
Current assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CurrentAssets |
| 30 |
Total assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:Assets |
| 31 |
LIABILITIES |
Abstract |
|
|
ifrs-full:LiabilitiesAbstract |
| 32 |
Non-current liabilities |
Abstract |
|
|
ifrs-full:NoncurrentLiabilitiesAbstract |
| 33 |
Deferred revenue |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:NoncurrentContractLiabilities |
| 34 |
Financial liabilities on funding arrangements |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:NoncurrentFinancialLiabilitiesAtFairValueThroughProfitOrLossDesignatedUponInitialRecognition |
| 35 |
Provisions for other liabilities and charges |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:OtherLongtermProvisions |
| 36 |
Deferred tax liability |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:DeferredTaxLiabilities |
| 37 |
Non-current liabilities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:NoncurrentLiabilities |
| 38 |
Current liabilities |
Abstract |
|
|
ifrs-full:CurrentLiabilitiesAbstract |
| 39 |
Trade and other payables |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:TradeAndOtherCurrentPayables |
| 40 |
Deferred revenue and income |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:CurrentContractLiabilities |
| 41 |
Contingent consideration |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:ContingentLiabilitiesRecognisedInBusinessCombination |
| 42 |
Current liabilities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:CurrentLiabilities |
| 43 |
Total liabilities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Liabilities |
| 44 |
Net assets / (liabilities) |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:NetAssetsLiabilities |
| 45 |
EQUITY |
Abstract |
|
|
ifrs-full:EquityAbstract |
| 46 |
Share capital |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:IssuedCapital |
| 47 |
Share premium account |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:SharePremium |
| 48 |
Share-based payment reserve |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:ReserveOfSharebasedPayments |
| 49 |
Merger reserve |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:MergerReserve |
| 50 |
Special reserve |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:OtherReserves |
| 51 |
Currency translation reserve |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:ReserveOfExchangeDifferencesOnTranslation |
| 52 |
Accumulated losses reserve |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:RetainedEarnings |
| 53 |
Total equity / (deficit) |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Equity |
| 54 |
1002000 - Statement - Consolidated Statement of Comprehensive Income |
Network |
* |
* |
http://www.summitplc.com/role/ConsolidatedStatementOfComprehensiveIncome |
| 55 |
Implied Table |
Table |
* |
* |
implied:Table |
| 56 |
Statement of comprehensive income [abstract] |
Abstract |
|
|
ifrs-full:StatementOfComprehensiveIncomeAbstract |
| 57 |
Revenue |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:RevenueFromContractsWithCustomers |
| 58 |
Other operating income |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:OtherOperatingIncomeExpense |
| 59 |
Operating expenses |
Abstract |
|
|
ifrs-full:ExpenseByNatureAbstract |
| 60 |
Research and development |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ResearchAndDevelopmentExpense |
| 61 |
General and administration |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:SellingGeneralAndAdministrativeExpense |
| 62 |
Impairment of goodwill and intangible assets |
Concept (Monetary) |
For Period |
|
ifrs-full:ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsAndGoodwill |
| 63 |
Total operating expenses |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:OperatingExpense |
| 64 |
Operating profit / (loss) |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:GrossProfit |
| 65 |
Finance income |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:FinanceIncome |
| 66 |
Finance costs |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:FinanceCosts |
| 67 |
Profit / (loss) before income tax |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLossBeforeTax |
| 68 |
Income tax |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:IncomeTaxExpenseContinuingOperations |
| 69 |
Profit / (loss) for the year |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLoss |
| 70 |
Exchange differences on translating foreign operations |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation |
| 71 |
Other comprehensive income / (loss) |
Abstract |
|
|
ifrs-full:OtherComprehensiveIncomeAbstract |
| 72 |
Total comprehensive profit / (loss) |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:OtherComprehensiveIncome |
| 73 |
Basic and diluted earnings / (loss) per ordinary share from operations (in pounds per share) |
Concept (Share) |
For Period |
|
ifrs-full:BasicAndDilutedEarningsLossPerShare |
| 74 |
1003000 - Statement - Consolidated Statement of Cash Flows |
Network |
* |
* |
http://www.summitplc.com/role/ConsolidatedStatementOfCashFlows |
| 75 |
Implied Table |
Table |
* |
* |
implied:Table |
| 76 |
Statement of cash flows [abstract] |
Abstract |
|
|
ifrs-full:StatementOfCashFlowsAbstract |
| 77 |
Cash flows from operating activities |
Abstract |
|
|
ifrs-full:CashFlowsFromUsedInOperatingActivitiesAbstract |
| 78 |
Profit / (loss) before income tax |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLossBeforeTax |
| 79 |
Adjusted for: |
Abstract |
|
|
ifrs-full:AdjustmentsForReconcileProfitLossAbstract |
| 80 |
Gain on remeasurement or derecognition of financial liabilities on funding arrangements |
Concept (Monetary) |
For Period |
|
ifrs-full:AmountPresentedInOtherComprehensiveIncomeRealisedAtDerecognition |
| 81 |
Loss on recognition of contingent consideration payable |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:IncreaseDecreaseInContingentLiabilitiesRecognisedInBusinessCombination |
| 82 |
Finance income |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:AdjustmentsForFinanceIncome |
| 83 |
Finance costs |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdjustmentsForFinanceCosts |
| 84 |
Unrealized foreign exchange (gain) / loss |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdjustmentsForUnrealisedForeignExchangeLossesGains |
| 85 |
Depreciation |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdjustmentsForDepreciationExpense |
| 86 |
Amortization of intangible fixed assets |
Concept (Monetary) |
For Period |
|
ifrs-full:AmortisationIntangibleAssetsOtherThanGoodwill |
| 87 |
Loss on disposal of assets |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:LossesOnDisposalsOfNoncurrentAssets |
| 88 |
Increase / (decrease) in provisions |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdjustmentsForProvisions |
| 89 |
Research and development expenditure credit |
Concept (Monetary) |
For Period |
Credit |
smmt:AdjustmentForResearchAndDevelopmentExpenditureCredit |
| 90 |
Impairment of goodwill and intangible assets |
Concept (Monetary) |
For Period |
|
ifrs-full:ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsAndGoodwill |
| 91 |
Share-based payment |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdjustmentsForSharebasedPayments |
| 92 |
Adjusted profit / (loss) from operations before changes in working capital |
Concept (Monetary) |
For Period |
|
ifrs-full:CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital |
| 93 |
(Increase) / decrease in trade and other receivables |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivables |
| 94 |
(Decrease) / increase in deferred revenue |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdjustmentsForIncreaseDecreaseInDeferredIncome |
| 95 |
Increase in trade and other payables |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdjustmentsForIncreaseDecreaseInTradeAndOtherPayables |
| 96 |
Cash (used by) / generated from operations |
Concept (Monetary) |
For Period |
|
ifrs-full:CashFlowsFromUsedInOperations |
| 97 |
Taxation received |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:IncomeTaxesPaidRefundClassifiedAsOperatingActivities |
| 98 |
Net cash (used by) / generated from operating activities |
Concept (Monetary) |
For Period |
|
ifrs-full:CashFlowsFromUsedInOperatingActivities |
| 99 |
Investing activities |
Abstract |
|
|
ifrs-full:CashFlowsFromUsedInInvestingActivitiesAbstract |
| 100 |
Acquisition of subsidiaries net of cash acquired |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ConsiderationPaidReceived |
| 101 |
Contingent consideration paid |
Concept (Monetary) |
For Period |
Debit |
smmt:ContingentConsiderationPaidReceived |
| 102 |
Purchase of property, plant and equipment |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities |
| 103 |
Purchase of intangible assets |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities |
| 104 |
Interest received |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:InterestReceivedClassifiedAsInvestingActivities |
| 105 |
Net cash used in investing activities |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:CashFlowsFromUsedInInvestingActivities |
| 106 |
Financing activities |
Abstract |
|
|
ifrs-full:CashFlowsFromUsedInFinancingActivitiesAbstract |
| 107 |
Proceeds from issue of share capital |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ProceedsFromIssueOfOrdinaryShares |
| 108 |
Transaction costs on share capital issued |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:PaymentsForShareIssueCosts |
| 109 |
Proceeds from exercise of warrants |
Concept (Monetary) |
For Period |
Debit |
smmt:ProceedsFromExerciseOfWarrants |
| 110 |
Proceeds from exercise of share options |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ProceedsFromExerciseOfOptions |
| 111 |
Cash received from funding arrangements accounted for as financial liabilities |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ProceedsFromNoncurrentBorrowings |
| 112 |
Net cash generated from financing activities |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:CashFlowsFromUsedInFinancingActivities |
| 113 |
Increase / (Decrease) in cash and cash equivalents |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:IncreaseDecreaseInCashAndCashEquivalents |
| 114 |
Effect of exchange rates on cash and cash equivalents |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:EffectOfExchangeRateChangesOnCashAndCashEquivalents |
| 115 |
Cash and cash equivalents at beginning of the year |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CashAndCashEquivalents |
| 116 |
Cash and cash equivalents at end of the year |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CashAndCashEquivalents |
| 117 |
1004000 - Statement - Consolidates Statement Of Change In Equity Statement |
Network |
* |
* |
http://www.summitplc.com/role/ConsolidatesStatementOfChangeInEquityStatement |
| 118 |
Statement of changes in equity [table] |
Table |
* |
* |
ifrs-full:StatementOfChangesInEquityTable |
| 119 |
Retrospective application and retrospective restatement [axis] |
Axis |
|
|
ifrs-full:RetrospectiveApplicationAndRetrospectiveRestatementAxis |
| 120 |
Currently stated [member] |
Member |
|
|
ifrs-full:RestatedMember |
| 121 |
Previously reported |
Member |
|
|
ifrs-full:PreviouslyStatedMember |
| 122 |
Components of equity [axis] |
Axis |
|
|
ifrs-full:ComponentsOfEquityAxis |
| 123 |
Equity [member] |
Member |
|
|
ifrs-full:EquityMember |
| 124 |
Share capital |
Member |
|
|
ifrs-full:IssuedCapitalMember |
| 125 |
Share premium account |
Member |
|
|
ifrs-full:SharePremiumMember |
| 126 |
Share- based payment reserve |
Member |
|
|
ifrs-full:ReserveOfSharebasedPaymentsMember |
| 127 |
Merger reserve |
Member |
|
|
ifrs-full:MergerReserveMember |
| 128 |
Special reserve |
Member |
|
|
ifrs-full:OtherReservesMember |
| 129 |
Currency translation reserve |
Member |
|
|
ifrs-full:ReserveOfExchangeDifferencesOnTranslationMember |
| 130 |
Accumulated losses reserve |
Member |
|
|
ifrs-full:AccumulatedOtherComprehensiveIncomeMember |
| 131 |
New IFRSs [axis] |
Axis |
|
|
ifrs-full:NewIFRSsAxis |
| 132 |
New IFRSs [member] |
Member |
|
|
ifrs-full:NewIFRSsMember |
| 133 |
IFRS 15 |
Member |
|
|
smmt:IFRS15Member |
| 134 |
Statement of changes in equity [line items] |
LineItems |
|
|
ifrs-full:StatementOfChangesInEquityLineItems |
| 135 |
Beginning balance |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Equity |
| 136 |
Change in accounting policy |
Concept (Monetary) |
As Of |
Credit |
smmt:CumulativeEffectofNewAccountingPrincipleinPeriodofAdoption1 |
| 137 |
Profit for the year |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLossFromContinuingOperations |
| 138 |
Currency translation adjustment |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:GainsLossesOnExchangeDifferencesOnTranslationNetOfTax |
| 139 |
Total comprehensive profit for the year |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ComprehensiveIncome |
| 140 |
New share capital issued |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:IssueOfEquity |
| 141 |
Transaction costs on share capital issued |
Concept (Monetary) |
For Period |
Debit |
smmt:DecreaseThroughIssuanceOfShareCapitalEquity |
| 142 |
Issue of ordinary shares as consideration for a business combination |
Concept (Monetary) |
For Period |
Credit |
smmt:IssueOfOrdinarySharesAsConsiderationForABusinessCombinationAmount |
| 143 |
New share capital issued from exercise of warrants |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:IncreaseDecreaseThroughExerciseOfWarrantsEquity |
| 144 |
Share options exercised |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:IncreaseDecreaseThroughExerciseOfOptions |
| 145 |
Share-based payment |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:IncreaseDecreaseThroughSharebasedPaymentTransactions |
| 146 |
Transfer |
Concept (Monetary) |
For Period |
Credit |
smmt:IncreaseDecreaseFromTransfersofSharebasedPaymentReservetoAccumulatedLossesReserve |
| 147 |
Ending balance |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Equity |
| 148 |
2101100 - Disclosure - Basis of accounting |
Network |
* |
* |
http://www.summitplc.com/role/BasisOfAccounting |
| 149 |
Implied Table |
Table |
* |
* |
implied:Table |
| 150 |
Basis Of Presentation [Abstract] |
Abstract |
|
|
smmt:BasisOfPresentationAbstract |
| 151 |
Basis of accounting |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory |
| 152 |
2104100 - Disclosure - Critical accounting judgements and key sources of estimation uncertainty |
Network |
* |
* |
http://www.summitplc.com/role/CriticalAccountingJudgementsAndKeySourcesOfEstimationUncertainty |
| 153 |
Implied Table |
Table |
* |
* |
implied:Table |
| 154 |
Disclosure of changes in accounting estimates [abstract] |
Abstract |
|
|
ifrs-full:DisclosureOfChangesInAccountingEstimatesAbstract |
| 155 |
Critical accounting judgements and key sources of estimation uncertainty |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfChangesInAccountingPoliciesAccountingEstimatesAndErrorsExplanatory |
| 156 |
2107100 - Disclosure - Changes to accounting policies |
Network |
* |
* |
http://www.summitplc.com/role/ChangesToAccountingPolicies |
| 157 |
Implied Table |
Table |
* |
* |
implied:Table |
| 158 |
Disclosure of expected impact of initial application of new standards or interpretations [abstract] |
Abstract |
|
|
ifrs-full:DescriptionOfExpectedImpactOfInitialApplicationOfNewStandardsOrInterpretationsAbstract |
| 159 |
Changes to accounting policies |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfInitialApplicationOfStandardsOrInterpretations |
| 160 |
2110100 - Disclosure - Segmental reporting |
Network |
* |
* |
http://www.summitplc.com/role/SegmentalReporting |
| 161 |
Implied Table |
Table |
* |
* |
implied:Table |
| 162 |
Disclosure of operating segments [abstract] |
Abstract |
|
|
ifrs-full:DisclosureOfOperatingSegmentsAbstract |
| 163 |
Segmental reporting |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfEntitysReportableSegmentsExplanatory |
| 164 |
2113100 - Disclosure - Revenue |
Network |
* |
* |
http://www.summitplc.com/role/Revenue |
| 165 |
Implied Table |
Table |
* |
* |
implied:Table |
| 166 |
Revenue [abstract] |
Abstract |
|
|
ifrs-full:RevenueAbstract |
| 167 |
Revenue |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfRevenueExplanatory |
| 168 |
2116100 - Disclosure - Other operating income (Notes) |
Network |
* |
* |
http://www.summitplc.com/role/OtherOperatingIncomeNotes |
| 169 |
Implied Table |
Table |
* |
* |
implied:Table |
| 170 |
Analysis of income and expense [abstract] |
Abstract |
|
|
ifrs-full:AnalysisOfIncomeAndExpenseAbstract |
| 171 |
Other operating income |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfOtherOperatingIncomeExpenseExplanatory |
| 172 |
2119100 - Disclosure - Directors and employees |
Network |
* |
* |
http://www.summitplc.com/role/DirectorsAndEmployees |
| 173 |
Implied Table |
Table |
* |
* |
implied:Table |
| 174 |
Disclosure Directors And Employees [Abstract] |
Abstract |
|
|
smmt:DisclosureDirectorsAndEmployeesAbstract |
| 175 |
Directors and employees |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfInformationAboutEmployeesExplanatory |
| 176 |
2122100 - Disclosure - Loss before income tax |
Network |
* |
* |
http://www.summitplc.com/role/LossBeforeIncomeTax |
| 177 |
Implied Table |
Table |
* |
* |
implied:Table |
| 178 |
Analysis of income and expense [abstract] |
Abstract |
|
|
ifrs-full:AnalysisOfIncomeAndExpenseAbstract |
| 179 |
Loss before income tax |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfOtherOperatingIncomeExpenseExplanatory |
| 180 |
2125100 - Disclosure - Impairment of goodwill and intangible assets |
Network |
* |
* |
http://www.summitplc.com/role/ImpairmentOfGoodwillAndIntangibleAssets |
| 181 |
Implied Table |
Table |
* |
* |
implied:Table |
| 182 |
Disclosure of detailed information about intangible assets [abstract] |
Abstract |
|
|
ifrs-full:DisclosureOfIntangibleAssetsAbstract |
| 183 |
Impairment of goodwill and intangible assets |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfImpairmentOfAssetsExplanatory |
| 184 |
2128100 - Disclosure - Auditors’ remuneration |
Network |
* |
* |
http://www.summitplc.com/role/AuditorsRemuneration |
| 185 |
Implied Table |
Table |
* |
* |
implied:Table |
| 186 |
Analysis of income and expense [abstract] |
Abstract |
|
|
ifrs-full:AnalysisOfIncomeAndExpenseAbstract |
| 187 |
Auditors’ remuneration |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfAuditorsRemunerationExplanatory |
| 188 |
2131100 - Disclosure - Finance income and costs |
Network |
* |
* |
http://www.summitplc.com/role/FinanceIncomeAndCosts |
| 189 |
Implied Table |
Table |
* |
* |
implied:Table |
| 190 |
Disclosure of finance income and costs [Abstract] |
Abstract |
|
|
smmt:DisclosureoffinanceincomeandcostsAbstract |
| 191 |
Finance income and costs |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfFinanceIncomeExpenseExplanatory |
| 192 |
2134100 - Disclosure - Income tax |
Network |
* |
* |
http://www.summitplc.com/role/IncomeTax |
| 193 |
Implied Table |
Table |
* |
* |
implied:Table |
| 194 |
Disclosure Of Income Tax [Abstract] |
Abstract |
|
|
smmt:DisclosureOfIncomeTaxAbstract |
| 195 |
Income tax |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfIncomeTaxExplanatory |
| 196 |
2137100 - Disclosure - Earnings / (loss) per share |
Network |
* |
* |
http://www.summitplc.com/role/EarningsLossPerShare |
| 197 |
Implied Table |
Table |
* |
* |
implied:Table |
| 198 |
Earnings per share [abstract] |
Abstract |
|
|
ifrs-full:EarningsPerShareAbstract |
| 199 |
Earnings / (loss) per share |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfEarningsPerShareExplanatory |
| 200 |
2140100 - Disclosure - Goodwill |
Network |
* |
* |
http://www.summitplc.com/role/Goodwill |
| 201 |
Implied Table |
Table |
* |
* |
implied:Table |
| 202 |
Disclosure of detailed information about intangible assets [abstract] |
Abstract |
|
|
ifrs-full:DisclosureOfIntangibleAssetsAbstract |
| 203 |
Goodwill |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfGoodwillExplanatory |
| 204 |
2143100 - Disclosure - Intangible assets |
Network |
* |
* |
http://www.summitplc.com/role/IntangibleAssets |
| 205 |
Implied Table |
Table |
* |
* |
implied:Table |
| 206 |
Disclosure of detailed information about intangible assets [abstract] |
Abstract |
|
|
ifrs-full:DisclosureOfIntangibleAssetsAbstract |
| 207 |
Intangible assets |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfIntangibleAssetsExplanatory |
| 208 |
2146100 - Disclosure - Property, plant and equipment |
Network |
* |
* |
http://www.summitplc.com/role/PropertyPlantAndEquipment |
| 209 |
Implied Table |
Table |
* |
* |
implied:Table |
| 210 |
Disclosure of detailed information about property, plant and equipment [abstract] |
Abstract |
|
|
ifrs-full:DisclosureOfPropertyPlantAndEquipmentAbstract |
| 211 |
Property, plant and equipment |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfPropertyPlantAndEquipmentExplanatory |
| 212 |
2149100 - Disclosure - Trade and other receivables |
Network |
* |
* |
http://www.summitplc.com/role/TradeAndOtherReceivables |
| 213 |
Implied Table |
Table |
* |
* |
implied:Table |
| 214 |
Trade and other receivables [abstract] |
Abstract |
|
|
ifrs-full:TradeAndOtherReceivablesAbstract |
| 215 |
Trade and other receivables |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfPrepaymentsAndOtherAssetsExplanatory |
| 216 |
2152100 - Disclosure - Trade and other payables |
Network |
* |
* |
http://www.summitplc.com/role/TradeAndOtherPayables |
| 217 |
Implied Table |
Table |
* |
* |
implied:Table |
| 218 |
Trade and other payables [abstract] |
Abstract |
|
|
ifrs-full:TradeAndOtherPayablesAbstract |
| 219 |
Trade and other payables |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfTradeAndOtherPayablesExplanatory |
| 220 |
2155100 - Disclosure - Deferred revenue and income |
Network |
* |
* |
http://www.summitplc.com/role/DeferredRevenueAndIncome |
| 221 |
Implied Table |
Table |
* |
* |
implied:Table |
| 222 |
Accruals and deferred income [abstract] |
Abstract |
|
|
ifrs-full:AccrualsAndDeferredIncomeAbstract |
| 223 |
Deferred revenue and income |
Concept (Text Block (HTML)) |
For Period |
|
smmt:DisclosureofContractLiabilityTextBlock |
| 224 |
2158100 - Disclosure - Contingent consideration |
Network |
* |
* |
http://www.summitplc.com/role/ContingentConsideration |
| 225 |
Implied Table |
Table |
* |
* |
implied:Table |
| 226 |
Disclosure of contingent liabilities [abstract] |
Abstract |
|
|
ifrs-full:DisclosureOfContingentLiabilitiesAbstract |
| 227 |
Contingent consideration |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfContingentLiabilitiesInBusinessCombinationExplanatory |
| 228 |
2161100 - Disclosure - Financial liabilities on funding arrangements |
Network |
* |
* |
http://www.summitplc.com/role/FinancialLiabilitiesOnFundingArrangements |
| 229 |
Implied Table |
Table |
* |
* |
implied:Table |
| 230 |
Financial Liabilities At Amortised Cost [Abstract] |
Abstract |
|
|
smmt:FinancialLiabilitiesAtAmortisedCostAbstract |
| 231 |
Financial liabilities on funding arrangements |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfFinancialLiabilitiesExplanatory |
| 232 |
2164100 - Disclosure - Financial instruments |
Network |
* |
* |
http://www.summitplc.com/role/FinancialInstruments |
| 233 |
Implied Table |
Table |
* |
* |
implied:Table |
| 234 |
Financial Instruments [Abstract] |
Abstract |
|
|
smmt:FinancialInstrumentsAbstract |
| 235 |
Financial instruments |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfFinancialInstrumentsExplanatory |
| 236 |
2167100 - Disclosure - Provisions for other liabilities and charges and contingent liabilities |
Network |
* |
* |
http://www.summitplc.com/role/ProvisionsForOtherLiabilitiesAndChargesAndContingentLiabilities |
| 237 |
Implied Table |
Table |
* |
* |
implied:Table |
| 238 |
Disclosure of contingent liabilities [abstract] |
Abstract |
|
|
ifrs-full:DisclosureOfContingentLiabilitiesAbstract |
| 239 |
Provisions for other liabilities and charges and contingent liabilities |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfContingentLiabilitiesExplanatory |
| 240 |
2170100 - Disclosure - Deferred tax liability |
Network |
* |
* |
http://www.summitplc.com/role/DeferredTaxLiability |
| 241 |
Implied Table |
Table |
* |
* |
implied:Table |
| 242 |
Deferred tax assets and liabilities [abstract] |
Abstract |
|
|
ifrs-full:DeferredTaxAssetsAndLiabilitiesAbstract |
| 243 |
Deferred tax liability |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfDeferredTaxesExplanatory |
| 244 |
2173100 - Disclosure - Share capital |
Network |
* |
* |
http://www.summitplc.com/role/ShareCapital |
| 245 |
Implied Table |
Table |
* |
* |
implied:Table |
| 246 |
Disclosure Of Share Capital, Reserves And Other Equity Interest [Abstract] |
Abstract |
|
|
smmt:DisclosureOfShareCapitalReservesAndOtherEquityInterestAbstract |
| 247 |
Share capital |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory |
| 248 |
2174100 - Disclosure - Share option scheme and restricted stock units |
Network |
* |
* |
http://www.summitplc.com/role/ShareOptionSchemeAndRestrictedStockUnits |
| 249 |
Implied Table |
Table |
* |
* |
implied:Table |
| 250 |
Disclosure Of Share-Based Payment Arrangements [Abstract] |
Abstract |
|
|
smmt:DisclosureOfShareBasedPaymentArrangementsAbstract |
| 251 |
Share option scheme and restricted stock units |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfSharebasedPaymentArrangementsExplanatory |
| 252 |
2175100 - Disclosure - Fixed assets purchase commitments |
Network |
* |
* |
http://www.summitplc.com/role/FixedAssetsPurchaseCommitments |
| 253 |
Implied Table |
Table |
* |
* |
implied:Table |
| 254 |
Fixed Assets Purchase Commitments [Abstract] |
Abstract |
|
|
smmt:FixedAssetsPurchaseCommitmentsAbstract |
| 255 |
Fixed assets purchase commitments |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfCommitmentsExplanatory |
| 256 |
2176100 - Disclosure - Leasing and other commitments |
Network |
* |
* |
http://www.summitplc.com/role/LeasingAndOtherCommitments |
| 257 |
Implied Table |
Table |
* |
* |
implied:Table |
| 258 |
Disclosure of recognised finance lease as assets by lessee [abstract] |
Abstract |
|
|
ifrs-full:DisclosureOfRecognisedFinanceLeaseAsAssetsByLesseeAbstract |
| 259 |
Leasing and other commitments |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfLeasesExplanatory |
| 260 |
2177100 - Disclosure - Related party transactions |
Network |
* |
* |
http://www.summitplc.com/role/RelatedPartyTransactions |
| 261 |
Implied Table |
Table |
* |
* |
implied:Table |
| 262 |
Disclosure of transactions between related parties [abstract] |
Abstract |
|
|
ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesAbstract |
| 263 |
Related party transactions |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfRelatedPartyExplanatory |
| 264 |
2201201 - Disclosure - Basis of accounting (Policies) |
Network |
* |
* |
http://www.summitplc.com/role/BasisOfAccountingPolicies |
| 265 |
Implied Table |
Table |
* |
* |
implied:Table |
| 266 |
Basis Of Presentation [Abstract] |
Abstract |
|
|
smmt:BasisOfPresentationAbstract |
| 267 |
Basis of preparation |
Concept (Text Block (HTML)) |
For Period |
|
smmt:DescriptionOfAccountingPolicyForBasisOfAccountingPolicyTextBlock |
| 268 |
Going concern |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfGoingConcernExplanatory |
| 269 |
Use of estimates |
Concept (Text Block (HTML)) |
For Period |
|
smmt:DescriptionOfAccountingPolicyForUseOfEstimatesPolicyTextBlock |
| 270 |
Basis of consolidation |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfBasisOfConsolidationExplanatory |
| 271 |
Revenue recognition |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForRecognitionOfRevenue |
| 272 |
Business Combinations |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForBusinessCombinationsExplanatory |
| 273 |
Intangible Assets |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForIntangibleAssetsOtherThanGoodwillExplanatory |
| 274 |
Impairment of assets |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForImpairmentOfAssetsExplanatory |
| 275 |
Property, plant and equipment |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory |
| 276 |
Financial liabilities on funding arrangements |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForFinancialLiabilitiesExplanatory |
| 277 |
Provisions |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForProvisionsExplanatory |
| 278 |
Other operating income |
Concept (Text Block (HTML)) |
For Period |
|
smmt:DescriptionOfAccountingPolicyForOtherOperatingIncomePolicyTextBlock |
| 279 |
Foreign currencies |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory |
| 280 |
Employee benefits |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForEmployeeBenefitsExplanatory |
| 281 |
Operating leases |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForLeasesExplanatory |
| 282 |
Research and development |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForResearchAndDevelopmentExpenseExplanatory |
| 283 |
Cash and cash equivalents |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyToDetermineComponentsOfCashAndCashEquivalents |
| 284 |
Share-based payments |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory |
| 285 |
Current taxation |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForIncomeTaxExplanatory |
| 286 |
Deferred taxation |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForDeferredIncomeTaxExplanatory |
| 287 |
Financial instruments |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForFinancialInstrumentsExplanatory |
| 288 |
Warrants |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForWarrantsExplanatory |
| 289 |
2301302 - Disclosure - Basis of accounting (Tables) |
Network |
* |
* |
http://www.summitplc.com/role/BasisOfAccountingTables |
| 290 |
Implied Table |
Table |
* |
* |
implied:Table |
| 291 |
Basis Of Presentation [Abstract] |
Abstract |
|
|
smmt:BasisOfPresentationAbstract |
| 292 |
Schedule of other intangible assets, useful life |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfIntangibleAssetsWithIndefiniteUsefulLifeExplanatory |
| 293 |
Schedule of property, plant and equipment, useful life |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfPropertyPlantAndEquipmentExplanatory |
| 294 |
2307301 - Disclosure - Changes to accounting policies (Tables) |
Network |
* |
* |
http://www.summitplc.com/role/ChangesToAccountingPoliciesTables |
| 295 |
Implied Table |
Table |
* |
* |
implied:Table |
| 296 |
Disclosure of expected impact of initial application of new standards or interpretations [abstract] |
Abstract |
|
|
ifrs-full:DescriptionOfExpectedImpactOfInitialApplicationOfNewStandardsOrInterpretationsAbstract |
| 297 |
Disclosure of expected impact of initial application of new standards or interpretations |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfExpectedImpactOfInitialApplicationOfNewStandardsOrInterpretations |
| 298 |
2313301 - Disclosure - Revenue (Tables) |
Network |
* |
* |
http://www.summitplc.com/role/RevenueTables |
| 299 |
Implied Table |
Table |
* |
* |
implied:Table |
| 300 |
Revenue [abstract] |
Abstract |
|
|
ifrs-full:RevenueAbstract |
| 301 |
Disclosure of detailed information about revenue |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersExplanatory |
| 302 |
Disclosure of revenue from contracts with customers |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfRevenueFromContractsWithCustomersExplanatory |
| 303 |
2316301 - Disclosure - Other operating income (Tables) |
Network |
* |
* |
http://www.summitplc.com/role/OtherOperatingIncomeTables |
| 304 |
Implied Table |
Table |
* |
* |
implied:Table |
| 305 |
Analysis of income and expense [abstract] |
Abstract |
|
|
ifrs-full:AnalysisOfIncomeAndExpenseAbstract |
| 306 |
Disclosure of other operating income |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfOtherOperatingIncomeExplanatory |
| 307 |
2319301 - Disclosure - Directors and employees (Tables) |
Network |
* |
* |
http://www.summitplc.com/role/DirectorsAndEmployeesTables |
| 308 |
Implied Table |
Table |
* |
* |
implied:Table |
| 309 |
Disclosure Directors And Employees [Abstract] |
Abstract |
|
|
smmt:DisclosureDirectorsAndEmployeesAbstract |
| 310 |
Detailed disclosure about average number of employees |
Concept (Text Block (HTML)) |
For Period |
|
smmt:DetailedDisclosureAboutAverageNumberOfEmployeesTableTextBlock |
| 311 |
Detailed disclosure about employee expense |
Concept (Text Block (HTML)) |
For Period |
|
smmt:DetailedDisclosureAboutEmployeeExpenseTableTextBlock |
| 312 |
2322301 - Disclosure - Loss before income tax (Tables) |
Network |
* |
* |
http://www.summitplc.com/role/LossBeforeIncomeTaxTables |
| 313 |
Implied Table |
Table |
* |
* |
implied:Table |
| 314 |
Analysis of income and expense [abstract] |
Abstract |
|
|
ifrs-full:AnalysisOfIncomeAndExpenseAbstract |
| 315 |
Loss before income tax |
Concept (Text Block (HTML)) |
For Period |
|
smmt:DetailedInformationAboutOtherOperatingIncomeAndExpenseTableTextBlock |
| 316 |
2328301 - Disclosure - Auditors’ remuneration (Tables) |
Network |
* |
* |
http://www.summitplc.com/role/AuditorsRemunerationTables |
| 317 |
Implied Table |
Table |
* |
* |
implied:Table |
| 318 |
Analysis of income and expense [abstract] |
Abstract |
|
|
ifrs-full:AnalysisOfIncomeAndExpenseAbstract |
| 319 |
Detailed disclosure about auditors' remuneration |
Concept (Text Block (HTML)) |
For Period |
|
smmt:DetailedDisclosureAboutAuditorsRemunerationTableTextBlock |
| 320 |
2331301 - Disclosure - Finance income and costs (Tables) |
Network |
* |
* |
http://www.summitplc.com/role/FinanceIncomeAndCostsTables |
| 321 |
Implied Table |
Table |
* |
* |
implied:Table |
| 322 |
Disclosure of finance income and costs [Abstract] |
Abstract |
|
|
smmt:DisclosureoffinanceincomeandcostsAbstract |
| 323 |
Schedule of finance income (costs) |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfFinanceIncomeExplanatory |
| 324 |
2334301 - Disclosure - Income tax (Tables) |
Network |
* |
* |
http://www.summitplc.com/role/IncomeTaxTables |
| 325 |
Implied Table |
Table |
* |
* |
implied:Table |
| 326 |
Disclosure Of Income Tax [Abstract] |
Abstract |
|
|
smmt:DisclosureOfIncomeTaxAbstract |
| 327 |
Reconciliation of income tax charge |
Concept (Text Block (HTML)) |
For Period |
|
smmt:ReconciliationOfIncomeTaxChargeTableTextBlock |
| 328 |
Analysis of income tax charge |
Concept (Text Block (HTML)) |
For Period |
|
smmt:AnalysisOfIncomeTaxChargeTableTextBlock |
| 329 |
2337301 - Disclosure - Earnings / (loss) per share (Tables) |
Network |
* |
* |
http://www.summitplc.com/role/EarningsLossPerShareTables |
| 330 |
Implied Table |
Table |
* |
* |
implied:Table |
| 331 |
Earnings per share [abstract] |
Abstract |
|
|
ifrs-full:EarningsPerShareAbstract |
| 332 |
Earnings / (loss) per share calculation |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:EarningsPerShareExplanatory |
| 333 |
2340301 - Disclosure - Goodwill (Tables) |
Network |
* |
* |
http://www.summitplc.com/role/GoodwillTables |
| 334 |
Implied Table |
Table |
* |
* |
implied:Table |
| 335 |
Disclosure of detailed information about intangible assets [abstract] |
Abstract |
|
|
ifrs-full:DisclosureOfIntangibleAssetsAbstract |
| 336 |
Disclosure of reconciliation of changes in goodwill |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfReconciliationOfChangesInGoodwillExplanatory |
| 337 |
2343301 - Disclosure - Intangible assets (Tables) |
Network |
* |
* |
http://www.summitplc.com/role/IntangibleAssetsTables |
| 338 |
Implied Table |
Table |
* |
* |
implied:Table |
| 339 |
Disclosure of detailed information about intangible assets [abstract] |
Abstract |
|
|
ifrs-full:DisclosureOfIntangibleAssetsAbstract |
| 340 |
Disclosure of reconciliation of changes in intangible assets |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillExplanatory |
| 341 |
2346301 - Disclosure - Property, plant and equipment (Tables) |
Network |
* |
* |
http://www.summitplc.com/role/PropertyPlantAndEquipmentTables |
| 342 |
Implied Table |
Table |
* |
* |
implied:Table |
| 343 |
Disclosure of detailed information about property, plant and equipment [abstract] |
Abstract |
|
|
ifrs-full:DisclosureOfPropertyPlantAndEquipmentAbstract |
| 344 |
Disclosure of detailed information about property, plant and equipment |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory |
| 345 |
2349301 - Disclosure - Trade and other receivables (Tables) |
Network |
* |
* |
http://www.summitplc.com/role/TradeAndOtherReceivablesTables |
| 346 |
Implied Table |
Table |
* |
* |
implied:Table |
| 347 |
Trade and other receivables [abstract] |
Abstract |
|
|
ifrs-full:TradeAndOtherReceivablesAbstract |
| 348 |
Prepayments and other receivables |
Concept (Text Block (HTML)) |
For Period |
|
smmt:ComponentsOfTradeAndOtherReceivablesTableTextBlock |
| 349 |
2352301 - Disclosure - Trade and other payables (Tables) |
Network |
* |
* |
http://www.summitplc.com/role/TradeAndOtherPayablesTables |
| 350 |
Implied Table |
Table |
* |
* |
implied:Table |
| 351 |
Trade and other payables [abstract] |
Abstract |
|
|
ifrs-full:TradeAndOtherPayablesAbstract |
| 352 |
Components of trade and other payables |
Concept (Text Block (HTML)) |
For Period |
|
smmt:ComponentsOfTradeAndOtherPayablesTableTextBlock |
| 353 |
2355301 - Disclosure - Deferred revenue and income (Tables) |
Network |
* |
* |
http://www.summitplc.com/role/DeferredRevenueAndIncomeTables |
| 354 |
Implied Table |
Table |
* |
* |
implied:Table |
| 355 |
Accruals and deferred income [abstract] |
Abstract |
|
|
ifrs-full:AccrualsAndDeferredIncomeAbstract |
| 356 |
Detailed disclosure about deferred income |
Concept (Text Block (HTML)) |
For Period |
|
smmt:DetailedDisclosureAboutContractLiabilityTableTextBlock |
| 357 |
2361301 - Disclosure - Financial liabilities on funding arrangements (Tables) |
Network |
* |
* |
http://www.summitplc.com/role/FinancialLiabilitiesOnFundingArrangementsTables |
| 358 |
Implied Table |
Table |
* |
* |
implied:Table |
| 359 |
Financial Liabilities At Amortised Cost [Abstract] |
Abstract |
|
|
smmt:FinancialLiabilitiesAtAmortisedCostAbstract |
| 360 |
Reconciliation of financial liabilities on funding arrangements |
Concept (Text Block (HTML)) |
For Period |
|
smmt:ReconciliationOfFinancialLiabilitiesOnFundingArrangementsTableTextBlock |
| 361 |
2364301 - Disclosure - Financial instruments (Tables) |
Network |
* |
* |
http://www.summitplc.com/role/FinancialInstrumentsTables |
| 362 |
Implied Table |
Table |
* |
* |
implied:Table |
| 363 |
Financial Instruments [Abstract] |
Abstract |
|
|
smmt:FinancialInstrumentsAbstract |
| 364 |
Disclosure of detailed information about financial instruments |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfDetailedInformationAboutFinancialInstrumentsExplanatory |
| 365 |
Disclosure of cash deposits |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfCashAndCashEquivalentsExplanatory |
| 366 |
Sensitivity analysis for types of market risk |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:SensitivityAnalysisForEachTypeOfMarketRisk |
| 367 |
2367301 - Disclosure - Provisions for other liabilities and charges and contingent liabilities (Tables) |
Network |
* |
* |
http://www.summitplc.com/role/ProvisionsForOtherLiabilitiesAndChargesAndContingentLiabilitiesTables |
| 368 |
Implied Table |
Table |
* |
* |
implied:Table |
| 369 |
Disclosure of contingent liabilities [abstract] |
Abstract |
|
|
ifrs-full:DisclosureOfContingentLiabilitiesAbstract |
| 370 |
Provisions for other liabilities and charges and contingent liabilities |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfOtherProvisionsContingentLiabilitiesAndContingentAssetsExplanatory |
| 371 |
Disclosure of contingent liabilities in business combination |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfContingentLiabilitiesInBusinessCombinationExplanatory |
| 372 |
2370301 - Disclosure - Deferred tax liability (Tables) |
Network |
* |
* |
http://www.summitplc.com/role/DeferredTaxLiabilityTables |
| 373 |
Implied Table |
Table |
* |
* |
implied:Table |
| 374 |
Deferred tax assets and liabilities [abstract] |
Abstract |
|
|
ifrs-full:DeferredTaxAssetsAndLiabilitiesAbstract |
| 375 |
Detailed disclosure about deferred tax liability |
Concept (Text Block (HTML)) |
For Period |
|
smmt:DetailedDisclosureAboutDeferredTaxLiabilityTableTextBlock |
| 376 |
2373301 - Disclosure - Share capital (Tables) |
Network |
* |
* |
http://www.summitplc.com/role/ShareCapitalTables |
| 377 |
Implied Table |
Table |
* |
* |
implied:Table |
| 378 |
Disclosure Of Share Capital, Reserves And Other Equity Interest [Abstract] |
Abstract |
|
|
smmt:DisclosureOfShareCapitalReservesAndOtherEquityInterestAbstract |
| 379 |
Disclosure of share capital |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfClassesOfShareCapitalExplanatory |
| 380 |
Reconciliation of share capital and share premiums |
Concept (Text Block (HTML)) |
For Period |
|
smmt:ReconciliationOfShareCapitalAndSharePremiumsTableTextBlock |
| 381 |
Detailed disclosure about share capital, options exercised |
Concept (Text Block (HTML)) |
For Period |
|
smmt:DetailedDisclosureAboutShareCapitalOptionsExercisedTableTextBlock |
| 382 |
2374301 - Disclosure - Share option scheme and restricted stock units (Tables) |
Network |
* |
* |
http://www.summitplc.com/role/ShareOptionSchemeAndRestrictedStockUnitsTables |
| 383 |
Implied Table |
Table |
* |
* |
implied:Table |
| 384 |
Disclosure Of Share-Based Payment Arrangements [Abstract] |
Abstract |
|
|
smmt:DisclosureOfShareBasedPaymentArrangementsAbstract |
| 385 |
Disclosure of number and weighted average remaining contractual life of outstanding share options |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfNumberAndWeightedAverageRemainingContractualLifeOfOutstandingShareOptionsExplanatory |
| 386 |
Additional information about share-based payment arrangements |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:AdditionalInformationAboutSharebasedPaymentArrangements |
| 387 |
Disclosure of number and weighted average exercise prices of share options |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory |
| 388 |
2376301 - Disclosure - Leasing and other commitments (Tables) |
Network |
* |
* |
http://www.summitplc.com/role/LeasingAndOtherCommitmentsTables |
| 389 |
Implied Table |
Table |
* |
* |
implied:Table |
| 390 |
Disclosure of recognised finance lease as assets by lessee [abstract] |
Abstract |
|
|
ifrs-full:DisclosureOfRecognisedFinanceLeaseAsAssetsByLesseeAbstract |
| 391 |
Commitments under non-cancelable operating leases |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfFinanceLeaseAndOperatingLeaseByLesseeExplanatory |
| 392 |
2401403 - Disclosure - Basis of accounting - Narrative (Details) |
Network |
* |
* |
http://www.summitplc.com/role/BasisOfAccountingNarrativeDetails |
| 393 |
Disclosure of detailed information about property, plant and equipment [table] |
Table |
* |
* |
ifrs-full:DisclosureOfPropertyPlantAndEquipmentTable |
| 394 |
Range [axis] |
Axis |
|
|
ifrs-full:RangeAxis |
| 395 |
Ranges [member] |
Member |
|
|
ifrs-full:RangesMember |
| 396 |
Bottom of range |
Member |
|
|
ifrs-full:BottomOfRangeMember |
| 397 |
Top of range |
Member |
|
|
ifrs-full:TopOfRangeMember |
| 398 |
Classes of intangible assets other than goodwill [axis] |
Axis |
|
|
ifrs-full:ClassesOfIntangibleAssetsOtherThanGoodwillAxis |
| 399 |
Intangible assets other than goodwill [member] |
Member |
|
|
ifrs-full:IntangibleAssetsOtherThanGoodwillMember |
| 400 |
Patent |
Member |
|
|
ifrs-full:CopyrightsPatentsAndOtherIndustrialPropertyRightsServiceAndOperatingRightsMember |
| 401 |
Software licenses |
Member |
|
|
smmt:SoftwareLicensesMember |
| 402 |
Classes of property, plant and equipment [axis] |
Axis |
|
|
ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis |
| 403 |
Property, plant and equipment [member] |
Member |
|
|
ifrs-full:PropertyPlantAndEquipmentMember |
| 404 |
Laboratory equipment |
Member |
|
|
smmt:LaboratoryEquipmentMember |
| 405 |
Office equipment |
Member |
|
|
ifrs-full:OfficeEquipmentMember |
| 406 |
Disclosure of detailed information about property, plant and equipment [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems |
| 407 |
Intangible asset, useful life |
Concept (Decimal) |
For Period |
|
smmt:UsefulLivesOrAmortisationRatesIntangibleAssetsOtherThanGoodwillPeriod |
| 408 |
Property, plant and equipment useful life |
Concept (Decimal) |
For Period |
|
smmt:UsefulLivesOrDepreciationRatesPropertyPlantAndEquipmentPeriod |
| 409 |
2407402 - Disclosure - Changes to accounting policies - Narrative (Details) |
Network |
* |
* |
http://www.summitplc.com/role/ChangesToAccountingPoliciesNarrativeDetails |
| 410 |
Disclosure of initial application of standards or interpretations [table] |
Table |
* |
* |
ifrs-full:DisclosureOfInitialApplicationOfStandardsOrInterpretationsTable |
| 411 |
Agreement [Axis] |
Axis |
|
|
smmt:AgreementAxis |
| 412 |
Agreement [Domain] |
Member |
|
|
smmt:AgreementDomain |
| 413 |
Sarepta Revenue Agreement |
Member |
|
|
smmt:SareptaRevenueAgreementMember |
| 414 |
Types Of Milestones [Axis] |
Axis |
|
|
smmt:TypesOfMilestonesAxis |
| 415 |
Types Of Milestones [Domain] |
Member |
|
|
smmt:TypesOfMilestonesDomain |
| 416 |
Specified Development Milestones |
Member |
|
|
smmt:SpecifiedDevelopmentMilestonesMember |
| 417 |
Expense Type [Axis] |
Axis |
|
|
smmt:ExpenseTypeAxis |
| 418 |
Expense Type [Domain] |
Member |
|
|
smmt:ExpenseTypeDomain |
| 419 |
Cost Share Income |
Member |
|
|
smmt:CostShareIncomeMember |
| 420 |
Retrospective application and retrospective restatement [axis] |
Axis |
|
|
ifrs-full:RetrospectiveApplicationAndRetrospectiveRestatementAxis |
| 421 |
Currently stated [member] |
Member |
|
|
ifrs-full:RestatedMember |
| 422 |
Adjusted |
Member |
|
|
ifrs-full:FinancialEffectOfChangesInAccountingPolicyMember |
| 423 |
Increase Decrease Due To Application of IFRS16 |
Member |
|
|
smmt:IncreaseDecreaseDueToApplicationOfIFRS16Member |
| 424 |
Classes of assets [axis] |
Axis |
|
|
ifrs-full:ClassesOfAssetsAxis |
| 425 |
Intangible assets other than goodwill [member] |
Member |
|
|
ifrs-full:IntangibleAssetsOtherThanGoodwillMember |
| 426 |
Buildings |
Member |
|
|
ifrs-full:BuildingsMember |
| 427 |
Disclosure of initial application of standards or interpretations [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfInitialApplicationOfStandardsOrInterpretationsLineItems |
| 428 |
Specified milestone payments |
Concept (Monetary) |
As Of |
Credit |
smmt:SpecifiedMilestonePayments |
| 429 |
Deferred revenue |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:ContractLiabilities |
| 430 |
Research and development costs percentage, third party responsibility |
Concept (Percent) |
For Period |
|
smmt:ResearchAndDevelopmentCostsPercentageResponsiblePerContractThirdParty |
| 431 |
Right-of-use assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:RightofuseAssets |
| 432 |
Lease liabilities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:LeaseLiabilities |
| 433 |
2407403 - Disclosure - Changes to accounting policies - Disclosure of changes in accounting policy (Details) |
Network |
* |
* |
http://www.summitplc.com/role/ChangesToAccountingPoliciesDisclosureOfChangesInAccountingPolicyDetails |
| 434 |
Disclosure of changes in accounting estimates [table] |
Table |
* |
* |
ifrs-full:DisclosureOfChangesInAccountingEstimatesTable |
| 435 |
Retrospective application and retrospective restatement [axis] |
Axis |
|
|
ifrs-full:RetrospectiveApplicationAndRetrospectiveRestatementAxis |
| 436 |
Currently stated [member] |
Member |
|
|
ifrs-full:RestatedMember |
| 437 |
Previously reported |
Member |
|
|
ifrs-full:PreviouslyStatedMember |
| 438 |
Adjusted |
Member |
|
|
ifrs-full:FinancialEffectOfChangesInAccountingPolicyMember |
| 439 |
Disclosure of changes in accounting estimates [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfChangesInAccountingEstimatesLineItems |
| 440 |
Statement of financial position [abstract] |
Abstract |
|
|
ifrs-full:StatementOfFinancialPositionAbstract |
| 441 |
Non-current liabilities |
Abstract |
|
|
ifrs-full:NoncurrentLiabilitiesAbstract |
| 442 |
Deferred revenue |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:NoncurrentContractLiabilities |
| 443 |
Current liabilities |
Abstract |
|
|
ifrs-full:CurrentLiabilitiesAbstract |
| 444 |
Deferred revenue and income |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:CurrentContractLiabilities |
| 445 |
EQUITY |
Abstract |
|
|
ifrs-full:EquityAbstract |
| 446 |
Accumulated losses reserve |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:RetainedEarnings |
| 447 |
Statement of comprehensive income [abstract] |
Abstract |
|
|
ifrs-full:StatementOfComprehensiveIncomeAbstract |
| 448 |
Revenue |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:RevenueFromContractsWithCustomers |
| 449 |
Profit / (loss) for the year |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLoss |
| 450 |
Statement of cash flows [abstract] |
Abstract |
|
|
ifrs-full:StatementOfCashFlowsAbstract |
| 451 |
Profit / (loss) before income tax |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLossBeforeTax |
| 452 |
Adjusted for: |
Abstract |
|
|
ifrs-full:AdjustmentsForReconcileProfitLossAbstract |
| 453 |
(Decrease) / increase in deferred revenue |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:IncreaseDecreaseThroughCumulativeCatchupAdjustmentsToRevenueContractLiabilities |
| 454 |
Impact on net cash used by operating activities |
Concept (Monetary) |
For Period |
Debit |
smmt:ImpactOnNetCashUsedInOperatingActivities |
| 455 |
2410401 - Disclosure - Segmental reporting - Narrative (Details) |
Network |
* |
* |
http://www.summitplc.com/role/SegmentalReportingNarrativeDetails |
| 456 |
Implied Table |
Table |
* |
* |
implied:Table |
| 457 |
Disclosure of operating segments [abstract] |
Abstract |
|
|
ifrs-full:DisclosureOfOperatingSegmentsAbstract |
| 458 |
Number of legal entities |
Concept (Integer) |
As Of |
|
smmt:NumberOfLegalEntities |
| 459 |
Number of trading entities |
Concept (Integer) |
As Of |
|
smmt:NumberOfTradingEntities |
| 460 |
Number of subsidiaries |
Concept (Integer) |
As Of |
|
smmt:NumberOfSubsidiaries |
| 461 |
Number of reportable segments |
Concept (Integer) |
As Of |
|
smmt:NumberOfReportableSegments1 |
| 462 |
2413402 - Disclosure - Revenue - Analysis of revenue by category (Details) |
Network |
* |
* |
http://www.summitplc.com/role/RevenueAnalysisOfRevenueByCategoryDetails |
| 463 |
Disclosure of disaggregation of revenue from contracts with customers [table] |
Table |
* |
* |
ifrs-full:DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersTable |
| 464 |
Products and services [axis] |
Axis |
|
|
ifrs-full:ProductsAndServicesAxis |
| 465 |
Products and services [member] |
Member |
|
|
ifrs-full:ProductsAndServicesMember |
| 466 |
Licensing agreements |
Member |
|
|
smmt:LicensingagreementsMember |
| 467 |
Research collaboration agreement |
Member |
|
|
smmt:ResearchcollaborationagreementMember |
| 468 |
Disclosure of disaggregation of revenue from contracts with customers [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersLineItems |
| 469 |
Revenue |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:RevenueFromContractsWithCustomers |
| 470 |
2413403 - Disclosure - Revenue - Analysis of revenue by geography (Details) |
Network |
* |
* |
http://www.summitplc.com/role/RevenueAnalysisOfRevenueByGeographyDetails |
| 471 |
Disclosure of disaggregation of revenue from contracts with customers [table] |
Table |
* |
* |
ifrs-full:DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersTable |
| 472 |
Geographical areas [axis] |
Axis |
|
|
ifrs-full:GeographicalAreasAxis |
| 473 |
Geographical areas [member] |
Member |
|
|
ifrs-full:GeographicalAreasMember |
| 474 |
United States |
Member |
|
|
country:US |
| 475 |
Latin America |
Member |
|
|
smmt:LatinAmerica1Member |
| 476 |
Europe |
Member |
|
|
smmt:Europe1Member |
| 477 |
Disclosure of disaggregation of revenue from contracts with customers [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersLineItems |
| 478 |
Revenue |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:RevenueFromContractsWithCustomers |
| 479 |
2413404 - Disclosure - Revenue - Narrative (Details) |
Network |
* |
* |
http://www.summitplc.com/role/RevenueNarrativeDetails |
| 480 |
Disclosure of disaggregation of revenue from contracts with customers [table] |
Table |
* |
* |
ifrs-full:DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersTable |
| 481 |
Agreement [Axis] |
Axis |
|
|
smmt:AgreementAxis |
| 482 |
Agreement [Domain] |
Member |
|
|
smmt:AgreementDomain |
| 483 |
Sarepta Revenue Agreement |
Member |
|
|
smmt:SareptaRevenueAgreementMember |
| 484 |
Eurofarma Revenue Agreement |
Member |
|
|
smmt:EurofarmaRevenueAgreementMember |
| 485 |
Types Of Milestones [Axis] |
Axis |
|
|
smmt:TypesOfMilestonesAxis |
| 486 |
Types Of Milestones [Domain] |
Member |
|
|
smmt:TypesOfMilestonesDomain |
| 487 |
Specified Development Milestones |
Member |
|
|
smmt:SpecifiedDevelopmentMilestonesMember |
| 488 |
Other Milestones |
Member |
|
|
smmt:OtherMilestonesMember |
| 489 |
Disclosure of disaggregation of revenue from contracts with customers [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersLineItems |
| 490 |
Deferred revenue |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:ContractLiabilities |
| 491 |
Annual future expected deferred revenue recognition |
Concept (Monetary) |
For Period |
Debit |
smmt:ContractwithCustomerLiabilityAnnualFutureExpectedRevenueRecognition |
| 492 |
Specified milestone payments |
Concept (Monetary) |
As Of |
Credit |
smmt:SpecifiedMilestonePayments |
| 493 |
Research and development costs percentage, entity responsibility |
Concept (Percent) |
For Period |
|
smmt:ResearchAndDevelopmentCostsPercentageResponsiblePerContractEntity |
| 494 |
Research and development costs percentage, third party responsibility |
Concept (Percent) |
For Period |
|
smmt:ResearchAndDevelopmentCostsPercentageResponsiblePerContractThirdParty |
| 495 |
Research and development costs, minimum percentage of budgeted amount |
Concept (Percent) |
For Period |
|
smmt:ResearchAndDevelopmentCostsMinimumPercentageOfBudgetedAmount |
| 496 |
Specified milestone payments, maximum cumulative net sales benchmark |
Concept (Monetary) |
As Of |
Credit |
smmt:SpecifiedMilestonePaymentsMaximumCumulativeNetSalesBenchmark |
| 497 |
2416402 - Disclosure - Other operating income (Details) |
Network |
* |
* |
http://www.summitplc.com/role/OtherOperatingIncomeDetails |
| 498 |
Disclosure of operating segments [table] |
Table |
* |
* |
ifrs-full:DisclosureOfOperatingSegmentsTable |
| 499 |
Counterparties [axis] |
Axis |
|
|
ifrs-full:CounterpartiesAxis |
| 500 |
Counterparties [member] |
Member |
|
|
ifrs-full:CounterpartiesMember |
| 501 |
BARDA |
Member |
|
|
smmt:BARDAMember |
| 502 |
Wellcome Trust |
Member |
|
|
smmt:WellcomeTrustMember |
| 503 |
CARB-X and Innovate |
Member |
|
|
smmt:CARBXandInnovateMember |
| 504 |
Disclosure of operating segments [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfOperatingSegmentsLineItems |
| 505 |
Grant income |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:RevenueFromGovernmentGrants |
| 506 |
Income on remeasurement or derecognition of financial liabilities on funding arrangements |
Concept (Monetary) |
For Period |
Credit |
smmt:IncomeonRemeasurementorDerecognitionofForeignNonProfitFinancialLiability |
| 507 |
Income recognized |
Concept (Monetary) |
For Period |
Credit |
smmt:IncomeFromRevenueSharingAgreement |
| 508 |
Research and development credit |
Concept (Monetary) |
For Period |
Credit |
smmt:IncomeFromResearchAndDevelopmentCredit |
| 509 |
Other income |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:OtherIncome |
| 510 |
Other operating income |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:OtherOperatingIncomeExpense |
| 511 |
2416403 - Disclosure - Other operating income - Textual (Details) |
Network |
* |
* |
http://www.summitplc.com/role/OtherOperatingIncomeTextualDetails |
| 512 |
Disclosure of operating segments [table] |
Table |
* |
* |
ifrs-full:DisclosureOfOperatingSegmentsTable |
| 513 |
Range [axis] |
Axis |
|
|
ifrs-full:RangeAxis |
| 514 |
Ranges [member] |
Member |
|
|
ifrs-full:RangesMember |
| 515 |
Top of range |
Member |
|
|
ifrs-full:TopOfRangeMember |
| 516 |
Counterparties [axis] |
Axis |
|
|
ifrs-full:CounterpartiesAxis |
| 517 |
Counterparties [member] |
Member |
|
|
ifrs-full:CounterpartiesMember |
| 518 |
BARDA |
Member |
|
|
smmt:BARDAMember |
| 519 |
CARB-X |
Member |
|
|
smmt:CARBXMember |
| 520 |
Innovate UK |
Member |
|
|
smmt:InnovateUKMember |
| 521 |
Disclosure of operating segments [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfOperatingSegmentsLineItems |
| 522 |
Cost sharing arrangement, contractual amount |
Concept (Monetary) |
As Of |
Debit |
smmt:CostSharingArrangementContractualAmount |
| 523 |
Cost sharing arrangement, initial portion |
Concept (Monetary) |
As Of |
Debit |
smmt:CostSharingArrangementContractualAmountInitialPortion |
| 524 |
Cost sharing arrangement, additional portion |
Concept (Monetary) |
As Of |
Debit |
smmt:CostSharingArrangementContractualAmountAdditionalPortion |
| 525 |
Cost sharing arrangement, contractual amount, total committed amount |
Concept (Monetary) |
As Of |
Debit |
smmt:CostSharingArrangementContractualAmountTotalCommittedAmount |
| 526 |
Grant income, received |
Concept (Monetary) |
For Period |
Credit |
smmt:IncomeFromGovernmentGrantsReceived |
| 527 |
2419402 - Disclosure - Directors and employees - Number of employees (Details) |
Network |
* |
* |
http://www.summitplc.com/role/DirectorsAndEmployeesNumberOfEmployeesDetails |
| 528 |
Disclosure of operating segments [table] |
Table |
* |
* |
ifrs-full:DisclosureOfOperatingSegmentsTable |
| 529 |
Subsegments [Axis] |
Axis |
|
|
smmt:Subsegments1Axis |
| 530 |
Subsegments [Domain] |
Member |
|
|
smmt:Subsegments1Domain |
| 531 |
Technical, research and development |
Member |
|
|
smmt:TechnicalResearchAndDevelopmentMember |
| 532 |
Corporate and administration |
Member |
|
|
smmt:CorporateAndAdministrationMember |
| 533 |
Restructuring Plan [Axis] |
Axis |
|
|
smmt:RestructuringPlan1Axis |
| 534 |
Restructuring Plan [Domain] |
Member |
|
|
smmt:RestructuringPlan1Domain |
| 535 |
Cost-cutting measures |
Member |
|
|
smmt:CostcuttingMeasuresMember |
| 536 |
Disclosure of operating segments [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfOperatingSegmentsLineItems |
| 537 |
Number of employees |
Concept (Decimal) |
For Period |
|
ifrs-full:AverageNumberOfEmployees |
| 538 |
2419403 - Disclosure - Directors and employees - Employee compensation (Details) |
Network |
* |
* |
http://www.summitplc.com/role/DirectorsAndEmployeesEmployeeCompensationDetails |
| 539 |
Implied Table |
Table |
* |
* |
implied:Table |
| 540 |
Disclosure Directors And Employees [Abstract] |
Abstract |
|
|
smmt:DisclosureDirectorsAndEmployeesAbstract |
| 541 |
Wages and salaries |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:WagesAndSalaries |
| 542 |
Social security costs |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:SocialSecurityContributions |
| 543 |
Other pension costs |
Concept (Monetary) |
For Period |
Debit |
smmt:OtherPensionCosts |
| 544 |
Share-based payment |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ExpenseFromSharebasedPaymentTransactionsWithEmployees |
| 545 |
Employee benefits expense |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:EmployeeBenefitsExpense |
| 546 |
Termination benefits expense |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:TerminationBenefitsExpense |
| 547 |
2419404 - Disclosure - Directors and employees - Management compensation (Details) |
Network |
* |
* |
http://www.summitplc.com/role/DirectorsAndEmployeesManagementCompensationDetails |
| 548 |
Implied Table |
Table |
* |
* |
implied:Table |
| 549 |
Disclosure Directors And Employees [Abstract] |
Abstract |
|
|
smmt:DisclosureDirectorsAndEmployeesAbstract |
| 550 |
Short-term employee benefits |
Abstract |
|
|
ifrs-full:ShorttermEmployeeBenefitsExpenseAbstract |
| 551 |
Wages and salaries |
Concept (Monetary) |
For Period |
Debit |
smmt:KeyManagementPersonnelCompensationWagesAndSalaries |
| 552 |
Social security costs |
Concept (Monetary) |
For Period |
Debit |
smmt:KeyManagementPersonnelCompensationSocialSecurityContributions |
| 553 |
Short-term employee benefits expense |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:KeyManagementPersonnelCompensationShorttermEmployeeBenefits |
| 554 |
Post-employment benefits |
Abstract |
|
|
smmt:PostemploymentbenefitsAbstract |
| 555 |
Amounts paid in lieu of employer pension contributions |
Concept (Monetary) |
For Period |
Debit |
smmt:KeyManagementPersonnelCompensationAmountsPaidInLieuOfEmployerPensionContributions |
| 556 |
Other pension costs |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:KeyManagementPersonnelCompensationOtherLongtermBenefits |
| 557 |
Key management personnel compensation, other long-term employee benefits |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:KeyManagementPersonnelCompensationPostemploymentBenefits |
| 558 |
Share-based payment |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:KeyManagementPersonnelCompensationSharebasedPayment |
| 559 |
Total remuneration |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:KeyManagementPersonnelCompensation |
| 560 |
2422402 - Disclosure - Loss before income tax - Loss before income tax (Details) |
Network |
* |
* |
http://www.summitplc.com/role/LossBeforeIncomeTaxLossBeforeIncomeTaxDetails |
| 561 |
Disclosure of operating segments [table] |
Table |
* |
* |
ifrs-full:DisclosureOfOperatingSegmentsTable |
| 562 |
Subsegments [Axis] |
Axis |
|
|
smmt:Subsegments1Axis |
| 563 |
Subsegments [Domain] |
Member |
|
|
smmt:Subsegments1Domain |
| 564 |
Research and development |
Member |
|
|
smmt:TechnicalResearchAndDevelopmentMember |
| 565 |
General and administration |
Member |
|
|
smmt:CorporateAndAdministrationMember |
| 566 |
Disclosure of operating segments [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfOperatingSegmentsLineItems |
| 567 |
Research and development |
Abstract |
|
|
smmt:ResearchAndDevelopment1Abstract |
| 568 |
Employee benefit expense |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:EmployeeBenefitsExpense |
| 569 |
Share-based payment expense |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ExpenseFromSharebasedPaymentTransactionsWithEmployees |
| 570 |
Program related costs |
Concept (Monetary) |
For Period |
Debit |
smmt:ProgramRelatedCosts |
| 571 |
Amortization of intangible assets |
Concept (Monetary) |
For Period |
|
ifrs-full:AmortisationIntangibleAssetsOtherThanGoodwill |
| 572 |
Other research and development costs |
Concept (Monetary) |
For Period |
Debit |
smmt:OtherResearchAndDevelopmentCosts |
| 573 |
Research and development expense |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ResearchAndDevelopmentExpense |
| 574 |
General and administration |
Abstract |
|
|
smmt:GeneralAndAdministrationAbstract |
| 575 |
Foreign exchange (gain) / loss |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss |
| 576 |
Depreciation of property, plant and equipment |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:DepreciationExpense |
| 577 |
Loss on disposal of assets |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:LossesOnDisposalsOfPropertyPlantAndEquipment |
| 578 |
Other general and administration costs |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:MiscellaneousOtherOperatingExpense |
| 579 |
Loss on contingent consideration |
Concept (Monetary) |
For Period |
Credit |
smmt:GainLossonContingentLiabilitiesRecognisedinaBusinessCombination |
| 580 |
Royalty expense |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:RoyaltyExpense |
| 581 |
Other operating income (expense) |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:SellingGeneralAndAdministrativeExpense |
| 582 |
2425401 - Disclosure - Impairment of goodwill and intangible assets (Details) |
Network |
* |
* |
http://www.summitplc.com/role/ImpairmentOfGoodwillAndIntangibleAssetsDetails |
| 583 |
Disclosure of impairment loss and reversal of impairment loss [table] |
Table |
* |
* |
ifrs-full:DisclosureOfImpairmentLossAndReversalOfImpairmentLossTable |
| 584 |
Business combinations [axis] |
Axis |
|
|
ifrs-full:BusinessCombinationsAxis |
| 585 |
Entity's total for business combinations [member] |
Member |
|
|
ifrs-full:EntitysTotalForBusinessCombinationsMember |
| 586 |
MuOx Limited |
Member |
|
|
smmt:MuOxLimitedMember |
| 587 |
Disclosure of impairment loss and reversal of impairment loss [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfImpairmentLossAndReversalOfImpairmentLossLineItems |
| 588 |
Impairment of goodwill and intangible assets |
Concept (Monetary) |
For Period |
|
ifrs-full:ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsAndGoodwill |
| 589 |
Intangible assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:IntangibleAssetsOtherThanGoodwill |
| 590 |
Goodwill |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:Goodwill |
| 591 |
2428402 - Disclosure - Auditors’ remuneration (Details) |
Network |
* |
* |
http://www.summitplc.com/role/AuditorsRemunerationDetails |
| 592 |
Auditor Renumeration [Table] |
Table |
* |
* |
smmt:AuditorRenumerationTable |
| 593 |
Categories of related parties [axis] |
Axis |
|
|
ifrs-full:CategoriesOfRelatedPartiesAxis |
| 594 |
Entity's total for related parties [member] |
Member |
|
|
ifrs-full:EntitysTotalForRelatedPartiesMember |
| 595 |
Subsidiaries |
Member |
|
|
ifrs-full:SubsidiariesMember |
| 596 |
Auditor Renumeration [Line Items] |
LineItems |
|
|
smmt:AuditorRenumerationLineItems |
| 597 |
Auditor's remuneration for audit services |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AuditorsRemunerationForAuditServices |
| 598 |
Audit-related assurance services |
Concept (Monetary) |
For Period |
Debit |
smmt:AuditorsRemunerationForAuditRelatedAssuranceServices |
| 599 |
Other assurance services |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AuditorsRemunerationForOtherServices |
| 600 |
Tax compliance and advisory services |
Concept (Monetary) |
For Period |
Debit |
smmt:AuditorsRemunerationForTaxComplianceAndAdvisoryServices |
| 601 |
Total fees payable |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AuditorsRemuneration |
| 602 |
2431402 - Disclosure - Finance income and costs (Details) |
Network |
* |
* |
http://www.summitplc.com/role/FinanceIncomeAndCostsDetails |
| 603 |
Implied Table |
Table |
* |
* |
implied:Table |
| 604 |
Disclosure of finance income and costs [Abstract] |
Abstract |
|
|
smmt:DisclosureoffinanceincomeandcostsAbstract |
| 605 |
Finance income |
Abstract |
|
|
smmt:FinanceIncomeAbstract |
| 606 |
Remeasurement or derecognition of financial liabilities on funding arrangements |
Concept (Monetary) |
For Period |
Credit |
smmt:RemeasurementorDerecognitionofFinancialLiabilitiesFinancialIncome |
| 607 |
Interest income on deposits |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:InterestIncomeOnDeposits |
| 608 |
Finance income |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:FinanceIncome |
| 609 |
Finance costs |
Abstract |
|
|
smmt:FinanceCostsAbstract |
| 610 |
Unwinding of discount factor |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ExpenseDueToUnwindingOfDiscountOnProvisions |
| 611 |
Remeasurement of financial liabilities on funding arrangements |
Concept (Monetary) |
For Period |
Debit |
smmt:RemeasurementofFinancialLiabilitiesFinancialIncome |
| 612 |
Finance costs |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:FinanceCosts |
| 613 |
2434402 - Disclosure - Income tax - Tax (Details) |
Network |
* |
* |
http://www.summitplc.com/role/IncomeTaxTaxDetails |
| 614 |
Implied Table |
Table |
* |
* |
implied:Table |
| 615 |
Disclosure Of Income Tax [Abstract] |
Abstract |
|
|
smmt:DisclosureOfIncomeTaxAbstract |
| 616 |
Current tax income |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:CurrentTaxExpenseIncome |
| 617 |
Adjustments in respect of prior years |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdjustmentsForCurrentTaxOfPriorPeriod |
| 618 |
Total current tax |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriods |
| 619 |
Total deferred tax |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:DeferredTaxExpenseIncome |
| 620 |
Total tax |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:IncomeTaxExpenseContinuingOperations |
| 621 |
2434403 - Disclosure - Income tax - Tax reconciliation (Details) |
Network |
* |
* |
http://www.summitplc.com/role/IncomeTaxTaxReconciliationDetails |
| 622 |
Implied Table |
Table |
* |
* |
implied:Table |
| 623 |
Disclosure Of Income Tax [Abstract] |
Abstract |
|
|
smmt:DisclosureOfIncomeTaxAbstract |
| 624 |
Profit / (loss) before tax |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLossBeforeTax |
| 625 |
Profit / (loss) multiplied by the standard rate of corporation tax in the United Kingdom (Current tax) 19% (2018: 19.17%) |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:TaxExpenseIncomeAtApplicableTaxRate |
| 626 |
Adjustment for IFRS 15 restatement |
Concept (Monetary) |
For Period |
Credit |
smmt:TaxEffectonAdoptionofNewAccountingPrinciple |
| 627 |
Change in unrecognized tax losses |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:TaxEffectOfTaxLosses |
| 628 |
Non-deductible expenses |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:TaxEffectOfExpenseNotDeductibleInDeterminingTaxableProfitTaxLoss |
| 629 |
Tax relief for qualifying research and development expenditure |
Concept (Monetary) |
For Period |
Credit |
smmt:TaxEffectOfTaxCreditResearch |
| 630 |
Prior year adjustments |
Concept (Monetary) |
For Period |
Debit |
smmt:TaxEffectOfPriorYearIncomeTaxes |
| 631 |
Share options exercised |
Concept (Monetary) |
For Period |
Credit |
smmt:TaxEffectOfExerciseOfOptions |
| 632 |
Overseas profits taxed at different rates |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:TaxEffectOfForeignTaxRates |
| 633 |
Change in rate of deferred tax |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:TaxEffectFromChangeInTaxRate |
| 634 |
Total tax |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:IncomeTaxExpenseContinuingOperations |
| 635 |
Standard rate of corporation tax |
Concept (Percent) |
For Period |
|
ifrs-full:AverageEffectiveTaxRate |
| 636 |
2434404 - Disclosure - Income tax - Narrative (Details) |
Network |
* |
* |
http://www.summitplc.com/role/IncomeTaxNarrativeDetails |
| 637 |
Disclosure of income tax [Table] |
Table |
* |
* |
smmt:DisclosureofincometaxTable |
| 638 |
Legislation [Axis] |
Axis |
|
|
smmt:LegislationAxis |
| 639 |
Legislation [Domain] |
Member |
|
|
smmt:LegislationDomain |
| 640 |
Finance (No 2) Act 2015 |
Member |
|
|
smmt:FinanceNo2Act2015Member |
| 641 |
Finance Act 2016 |
Member |
|
|
smmt:FinanceAct2016Member |
| 642 |
Effective Date [Axis] |
Axis |
|
|
smmt:EffectiveDateAxis |
| 643 |
Effective Date [Domain] |
Member |
|
|
smmt:EffectiveDateDomain |
| 644 |
April 1, 2017 |
Member |
|
|
smmt:April12017Member |
| 645 |
April 1, 2020 |
Member |
|
|
smmt:April12020Member |
| 646 |
Disclosure of income tax [Line Items] |
LineItems |
|
|
smmt:DisclosureofincometaxLineItems |
| 647 |
Current tax liabilities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:CurrentTaxLiabilitiesCurrent |
| 648 |
Corporate income tax rate |
Concept (Percent) |
As Of |
|
smmt:CorporateIncomeTaxRate |
| 649 |
Operating loss carryforward, maximum annual limit |
Concept (Monetary) |
For Period |
Debit |
smmt:OperatingLossCarryforwardMaximumAnnualLimit |
| 650 |
2437402 - Disclosure - Earnings / (loss) per share (Details) |
Network |
* |
* |
http://www.summitplc.com/role/EarningsLossPerShareDetails |
| 651 |
Implied Table |
Table |
* |
* |
implied:Table |
| 652 |
Earnings per share [abstract] |
Abstract |
|
|
ifrs-full:EarningsPerShareAbstract |
| 653 |
Profit / (loss) for the year |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLoss |
| 654 |
Weighted average number of ordinary shares for basic earnings / (loss) earnings per share (in shares) |
Concept (Shares) |
For Period |
|
ifrs-full:WeightedAverageShares |
| 655 |
Effect of dilutive potential ordinary shares (share options and warrants) (in shares) |
Concept (Shares) |
For Period |
|
ifrs-full:DilutiveEffectOfShareOptionsOnNumberOfOrdinaryShares |
| 656 |
Weighted average number of ordinary shares for diluted earnings per share (in shares) |
Concept (Shares) |
For Period |
|
ifrs-full:AdjustedWeightedAverageShares |
| 657 |
Basic earnings / (loss) per ordinary share from operations (in pounds per share) |
Concept (Share) |
For Period |
|
ifrs-full:BasicEarningsLossPerShare |
| 658 |
Diluted earnings / (loss) per ordinary share from operations (in pounds per share) |
Concept (Share) |
For Period |
|
ifrs-full:DilutedEarningsLossPerShare |
| 659 |
2437403 - Disclosure - Earnings / (loss) per share - Textual (Details) |
Network |
* |
* |
http://www.summitplc.com/role/EarningsLossPerShareTextualDetails |
| 660 |
Disclosure of analysis of other comprehensive income by item [table] |
Table |
* |
* |
ifrs-full:DisclosureOfAnalysisOfOtherComprehensiveIncomeByItemTable |
| 661 |
Award Type1 [Axis] |
Axis |
|
|
smmt:AwardType1Axis |
| 662 |
Award Type [Domain] |
Member |
|
|
smmt:AwardTypeDomain |
| 663 |
Restricted Stock Units (RSUs) |
Member |
|
|
smmt:RestrictedStockUnitsRSUs1Member |
| 664 |
Disclosure of analysis of other comprehensive income by item [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfAnalysisOfOtherComprehensiveIncomeByItemLineItems |
| 665 |
Number of share options outstanding in share-based payment arrangement |
Concept (Decimal) |
As Of |
|
ifrs-full:NumberOfOutstandingShareOptions |
| 666 |
Number of other equity instruments outstanding in share-based payment arrangement |
Concept (Decimal) |
As Of |
|
ifrs-full:NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement |
| 667 |
Weighted average number of shares outstanding |
Concept (Shares) |
For Period |
|
ifrs-full:WeightedAverageShares |
| 668 |
Shares excluded from computation of earnings per share |
Concept (Shares) |
As Of |
|
smmt:SharesExcludedFromComputationOfEarningsPerShare |
| 669 |
2440402 - Disclosure - Goodwill (Details) |
Network |
* |
* |
http://www.summitplc.com/role/GoodwillDetails |
| 670 |
Disclosure of reconciliation of changes in goodwill [table] |
Table |
* |
* |
ifrs-full:DisclosureOfReconciliationOfChangesInGoodwillTable |
| 671 |
Business combinations [axis] |
Axis |
|
|
ifrs-full:BusinessCombinationsAxis |
| 672 |
Entity's total for business combinations [member] |
Member |
|
|
ifrs-full:EntitysTotalForBusinessCombinationsMember |
| 673 |
Discuva Limited |
Member |
|
|
smmt:DiscuvaLimitedMember |
| 674 |
MuOx Limited |
Member |
|
|
smmt:MuOxLimitedMember |
| 675 |
Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] |
Axis |
|
|
ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis |
| 676 |
Carrying amount [member] |
Member |
|
|
ifrs-full:CarryingAmountMember |
| 677 |
Cost |
Member |
|
|
ifrs-full:GrossCarryingAmountMember |
| 678 |
Accumulated impairment |
Member |
|
|
ifrs-full:AccumulatedImpairmentMember |
| 679 |
Classes of intangible assets and goodwill [axis] |
Axis |
|
|
ifrs-full:ClassesOfIntangibleAssetsAndGoodwillAxis |
| 680 |
Intangible assets and goodwill [member] |
Member |
|
|
ifrs-full:IntangibleAssetsAndGoodwillMember |
| 681 |
Goodwill |
Member |
|
|
ifrs-full:GoodwillMember |
| 682 |
Disclosure of reconciliation of changes in goodwill [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfReconciliationOfChangesInGoodwillLineItems |
| 683 |
Goodwill, beginning |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:Goodwill |
| 684 |
Impairment |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ImpairmentLoss |
| 685 |
Additions |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdditionalRecognitionGoodwill |
| 686 |
Goodwill, ending |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:Goodwill |
| 687 |
Percentage of voting equity interests acquired |
Concept (Percent) |
As Of |
|
ifrs-full:PercentageOfVotingEquityInterestsAcquired |
| 688 |
2443402 - Disclosure - Intangible assets - Disclosure of reconciliation of changes in intangible assets (Details) |
Network |
* |
* |
http://www.summitplc.com/role/IntangibleAssetsDisclosureOfReconciliationOfChangesInIntangibleAssetsDetails |
| 689 |
Disclosure of detailed information about intangible assets [table] |
Table |
* |
* |
ifrs-full:DisclosureOfIntangibleAssetsTable |
| 690 |
Business combinations [axis] |
Axis |
|
|
ifrs-full:BusinessCombinationsAxis |
| 691 |
Entity's total for business combinations [member] |
Member |
|
|
ifrs-full:EntitysTotalForBusinessCombinationsMember |
| 692 |
Iminosugar |
Member |
|
|
smmt:IminosugarMember |
| 693 |
Utrophin |
Member |
|
|
smmt:UtrophinMember |
| 694 |
Discuva Limited |
Member |
|
|
smmt:DiscuvaLimitedMember |
| 695 |
Classes of intangible assets other than goodwill [axis] |
Axis |
|
|
ifrs-full:ClassesOfIntangibleAssetsOtherThanGoodwillAxis |
| 696 |
Intangible assets other than goodwill [member] |
Member |
|
|
ifrs-full:IntangibleAssetsOtherThanGoodwillMember |
| 697 |
Option over non-financial assets |
Member |
|
|
ifrs-full:OtherIntangibleAssetsMember |
| 698 |
Other patents and licenses |
Member |
|
|
ifrs-full:CopyrightsPatentsAndOtherIndustrialPropertyRightsServiceAndOperatingRightsMember |
| 699 |
Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] |
Axis |
|
|
ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis |
| 700 |
Carrying amount [member] |
Member |
|
|
ifrs-full:CarryingAmountMember |
| 701 |
Cost |
Member |
|
|
ifrs-full:GrossCarryingAmountMember |
| 702 |
Accumulated depreciation |
Member |
|
|
ifrs-full:AccumulatedDepreciationAndAmortisationMember |
| 703 |
Disclosure of detailed information about intangible assets [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfIntangibleAssetsLineItems |
| 704 |
Reconciliation of changes in intangible assets other than goodwill [abstract] |
Abstract |
|
|
ifrs-full:ReconciliationOfChangesInIntangibleAssetsOtherThanGoodwillAbstract |
| 705 |
Intangible assets, beginning balance |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:IntangibleAssetsOtherThanGoodwill |
| 706 |
Acquisition of subsidiary |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AcquisitionsThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill |
| 707 |
Additions |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdditionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill |
| 708 |
Accumulated amortization |
Concept (Monetary) |
For Period |
|
ifrs-full:AmortisationIntangibleAssetsOtherThanGoodwill |
| 709 |
Impairment |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ImpairmentLoss |
| 710 |
Disposals |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:DisposalsIntangibleAssetsOtherThanGoodwill |
| 711 |
Intangible assets, ending balance |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:IntangibleAssetsOtherThanGoodwill |
| 712 |
2443403 - Disclosure - Intangible assets - Narrative (Details) |
Network |
* |
* |
http://www.summitplc.com/role/IntangibleAssetsNarrativeDetails |
| 713 |
Disclosure of detailed information about intangible assets [table] |
Table |
* |
* |
ifrs-full:DisclosureOfIntangibleAssetsTable |
| 714 |
Classes of intangible assets and goodwill [axis] |
Axis |
|
|
ifrs-full:ClassesOfIntangibleAssetsAndGoodwillAxis |
| 715 |
Intangible assets and goodwill [member] |
Member |
|
|
ifrs-full:IntangibleAssetsAndGoodwillMember |
| 716 |
Intangible asset |
Member |
|
|
ifrs-full:OtherIntangibleAssetsMember |
| 717 |
Goodwill |
Member |
|
|
ifrs-full:GoodwillMember |
| 718 |
Business combinations [axis] |
Axis |
|
|
ifrs-full:BusinessCombinationsAxis |
| 719 |
Entity's total for business combinations [member] |
Member |
|
|
ifrs-full:EntitysTotalForBusinessCombinationsMember |
| 720 |
MuOx Limited |
Member |
|
|
smmt:MuOxLimitedMember |
| 721 |
Disclosure of detailed information about intangible assets [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfIntangibleAssetsLineItems |
| 722 |
Impairment of goodwill and intangible assets |
Concept (Monetary) |
For Period |
|
ifrs-full:ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsAndGoodwill |
| 723 |
2446402 - Disclosure - Property, plant and equipment (Details) |
Network |
* |
* |
http://www.summitplc.com/role/PropertyPlantAndEquipmentDetails |
| 724 |
Disclosure of detailed information about property, plant and equipment [table] |
Table |
* |
* |
ifrs-full:DisclosureOfPropertyPlantAndEquipmentTable |
| 725 |
Classes of property, plant and equipment [axis] |
Axis |
|
|
ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis |
| 726 |
Property, plant and equipment [member] |
Member |
|
|
ifrs-full:PropertyPlantAndEquipmentMember |
| 727 |
Leasehold improvements |
Member |
|
|
ifrs-full:LeaseholdImprovementsMember |
| 728 |
Laboratory equipment |
Member |
|
|
smmt:LaboratoryEquipmentMember |
| 729 |
Office and IT equipment |
Member |
|
|
ifrs-full:OfficeEquipmentMember |
| 730 |
Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] |
Axis |
|
|
ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis |
| 731 |
Carrying amount [member] |
Member |
|
|
ifrs-full:CarryingAmountMember |
| 732 |
Cost |
Member |
|
|
ifrs-full:GrossCarryingAmountMember |
| 733 |
Accumulated depreciation |
Member |
|
|
ifrs-full:AccumulatedDepreciationAndAmortisationMember |
| 734 |
Disclosure of detailed information about property, plant and equipment [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems |
| 735 |
Property, plant and equipment |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:PropertyPlantAndEquipment |
| 736 |
Acquisition of subsidiary |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AcquisitionsThroughBusinessCombinationsPropertyPlantAndEquipment |
| 737 |
Additions |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment |
| 738 |
Charge for the year |
Concept (Monetary) |
For Period |
|
ifrs-full:DepreciationPropertyPlantAndEquipment |
| 739 |
Disposals |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:DisposalsPropertyPlantAndEquipment |
| 740 |
Revaluation |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:RevaluationIncreaseDecreasePropertyPlantAndEquipment |
| 741 |
Property, plant and equipment |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:PropertyPlantAndEquipment |
| 742 |
2449402 - Disclosure - Trade and other receivables (Details) |
Network |
* |
* |
http://www.summitplc.com/role/TradeAndOtherReceivablesDetails |
| 743 |
Implied Table |
Table |
* |
* |
implied:Table |
| 744 |
Trade and other receivables [abstract] |
Abstract |
|
|
ifrs-full:TradeAndOtherReceivablesAbstract |
| 745 |
Trade receivables |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:TradeReceivables |
| 746 |
Other receivables |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:OtherReceivables |
| 747 |
Prepayments |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:PrepaymentsAndAccruedIncome |
| 748 |
Accrued income |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:AccruedIncome |
| 749 |
Trade and other receivables |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:TradeAndOtherReceivables |
| 750 |
Prepayments relating to research and development expenditure |
Concept (Monetary) |
As Of |
Debit |
smmt:PrepaymentsandAccruedIncomeResearchAndDevelopmentExpenditure |
| 751 |
Research and development, stage of completion, percentage increase |
Concept (Percent) |
For Period |
|
smmt:ResearchAndDevelopmentStageofCompletionPercentageIncrease |
| 752 |
Research and development, stage of completion, increase, expense |
Concept (Monetary) |
For Period |
Debit |
smmt:ResearchAndDevelopmentStageofCompletionIncreaseExpense |
| 753 |
Research and development, stage of completion, percentage decrease |
Concept (Percent) |
For Period |
|
smmt:ResearchAndDevelopmentStageofCompletionPercentageDecrease |
| 754 |
Research and development, stage of completion, decrease, expense |
Concept (Monetary) |
For Period |
Credit |
smmt:ResearchAndDevelopmentStageofCompletionDecreaseExpense |
| 755 |
2452402 - Disclosure - Trade and other payables (Details) |
Network |
* |
* |
http://www.summitplc.com/role/TradeAndOtherPayablesDetails |
| 756 |
Implied Table |
Table |
* |
* |
implied:Table |
| 757 |
Trade and other payables [abstract] |
Abstract |
|
|
ifrs-full:TradeAndOtherPayablesAbstract |
| 758 |
Trade payables |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:TradeAndOtherCurrentPayablesToTradeSuppliers |
| 759 |
Other taxes and social security |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:CurrentPayablesOnSocialSecurityAndTaxesOtherThanIncomeTax |
| 760 |
Accruals |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:AccrualsAndDeferredIncomeClassifiedAsCurrent |
| 761 |
Other creditors |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:OtherCurrentPayables |
| 762 |
Trade and other current payables |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:TradeAndOtherCurrentPayables |
| 763 |
Accruals and deferred income classified as current, research and development expenditure |
Concept (Monetary) |
As Of |
Credit |
smmt:AccrualsandDeferredIncomeClassifiedasCurrentResearchandDevelopmentExpenditure |
| 764 |
2455402 - Disclosure - Deferred revenue and income - Detailed disclosure about deferred income (Details) |
Network |
* |
* |
http://www.summitplc.com/role/DeferredRevenueAndIncomeDetailedDisclosureAboutDeferredIncomeDetails |
| 765 |
Implied Table |
Table |
* |
* |
implied:Table |
| 766 |
Accruals and deferred income [abstract] |
Abstract |
|
|
ifrs-full:AccrualsAndDeferredIncomeAbstract |
| 767 |
Deferred revenue |
Concept (Monetary) |
As Of |
Credit |
smmt:CurrentContractLiabilitiesRevenue |
| 768 |
Deferred other operating income |
Concept (Monetary) |
As Of |
Credit |
smmt:CurrentContractLiabilitiesOtherOperatingIncome |
| 769 |
Deferred revenue and income |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:CurrentContractLiabilities |
| 770 |
Deferred revenue |
Concept (Monetary) |
As Of |
Credit |
smmt:NoncurrentContractLiabilitiesRevenue |
| 771 |
Deferred revenue |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:NoncurrentContractLiabilities |
| 772 |
Total deferred revenue |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:ContractLiabilities |
| 773 |
Total deferred other operating income |
Concept (Monetary) |
As Of |
Credit |
smmt:ContractLiabilitiesOtherOperatingIncomeNet |
| 774 |
2455403 - Disclosure - Deferred revenue and income - Narrative (Details) |
Network |
* |
* |
http://www.summitplc.com/role/DeferredRevenueAndIncomeNarrativeDetails |
| 775 |
Implied Table |
Table |
* |
* |
implied:Table |
| 776 |
Accruals and deferred income [abstract] |
Abstract |
|
|
ifrs-full:AccrualsAndDeferredIncomeAbstract |
| 777 |
Deferred revenue, recognized |
Concept (Monetary) |
For Period |
Credit |
smmt:ContractwithCustomerLiabilityRevenueRecognized1 |
| 778 |
2458401 - Disclosure - Contingent consideration (Details) |
Network |
* |
* |
http://www.summitplc.com/role/ContingentConsiderationDetails |
| 779 |
Disclosure of detailed information about business combination [table] |
Table |
* |
* |
ifrs-full:DisclosureOfBusinessCombinationsTable |
| 780 |
Business combinations [axis] |
Axis |
|
|
ifrs-full:BusinessCombinationsAxis |
| 781 |
Entity's total for business combinations [member] |
Member |
|
|
ifrs-full:EntitysTotalForBusinessCombinationsMember |
| 782 |
Discuva Limited |
Member |
|
|
smmt:DiscuvaLimitedMember |
| 783 |
Disclosure of detailed information about business combination [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfBusinessCombinationsLineItems |
| 784 |
Loss on recognition of contingent consideration payable |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:IncreaseDecreaseInContingentLiabilitiesRecognisedInBusinessCombination |
| 785 |
Contingent consideration |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:ContingentLiabilitiesRecognisedInBusinessCombination |
| 786 |
Contingent consideration paid |
Concept (Monetary) |
For Period |
Debit |
smmt:ContingentConsiderationPaidReceived |
| 787 |
2461402 - Disclosure - Financial liabilities on funding arrangements - Narrative (Details) |
Network |
* |
* |
http://www.summitplc.com/role/FinancialLiabilitiesOnFundingArrangementsNarrativeDetails |
| 788 |
Disclosure of financial liabilities [table] |
Table |
* |
* |
ifrs-full:DisclosureOfFinancialLiabilitiesTable |
| 789 |
Range [axis] |
Axis |
|
|
ifrs-full:RangeAxis |
| 790 |
Ranges [member] |
Member |
|
|
ifrs-full:RangesMember |
| 791 |
Bottom of range |
Member |
|
|
ifrs-full:BottomOfRangeMember |
| 792 |
Top of range |
Member |
|
|
ifrs-full:TopOfRangeMember |
| 793 |
Disclosure of financial liabilities [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfFinancialLiabilitiesLineItems |
| 794 |
Discount factors |
Concept (Percent) |
As Of |
|
smmt:DiscountRateUsedInMeasurementOfFinancialLiabilitiesOnFundingArrangements |
| 795 |
Estimated financial liabilities on funding arrangements |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:FinancialLiabilitiesAtAmortisedCost |
| 796 |
2461403 - Disclosure - Financial liabilities on funding arrangements - Reconciliation of financial liabilities on funding arrangements (Details) |
Network |
* |
* |
http://www.summitplc.com/role/FinancialLiabilitiesOnFundingArrangementsReconciliationOfFinancialLiabilitiesOnFundingArrangementsDetails |
| 797 |
Implied Table |
Table |
* |
* |
implied:Table |
| 798 |
Financial Liabilities At Amortised Cost [Abstract] |
Abstract |
|
|
smmt:FinancialLiabilitiesAtAmortisedCostAbstract |
| 799 |
At February 1 |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:FinancialLiabilitiesAtAmortisedCost |
| 800 |
Unwinding of discount factor |
Concept (Monetary) |
For Period |
Debit |
smmt:ExpenseDueToUnwindingOfDiscountOnProvisionsFinancialLiability |
| 801 |
Derecognition of financial liabilities – finance income |
Concept (Monetary) |
For Period |
Credit |
smmt:DerecognitionOfFinancialLiabilitiesFinancialIncome |
| 802 |
Remeasurement of financial liabilities on funding arrangements - (finance income) / finance cost |
Concept (Monetary) |
For Period |
Credit |
smmt:RemeasurementofFinancialLiabilitiesOnFundingArrangementsNetFinanceIncomeCosts |
| 803 |
Net finance income on funding arrangements accounting for as financial liabilities |
Concept (Monetary) |
For Period |
Credit |
smmt:FinancialLiabilitiesOnFundingArrangementsNetFinanceIncomeCosts |
| 804 |
Remeasurement or derecognition of financial liabilities – other operating income |
Concept (Monetary) |
For Period |
Debit |
smmt:RemeasurementorDerecognitionofFinancialLiabilitiesOtherOperatingIncome |
| 805 |
At January 31 |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:FinancialLiabilitiesAtAmortisedCost |
| 806 |
2464402 - Disclosure - Financial instruments - Disclosure of detailed information about financial instruments (Details) |
Network |
* |
* |
http://www.summitplc.com/role/FinancialInstrumentsDisclosureOfDetailedInformationAboutFinancialInstrumentsDetails |
| 807 |
Disclosure of financial assets [table] |
Table |
* |
* |
ifrs-full:DisclosureOfFinancialAssetsTable |
| 808 |
Classes of financial assets [axis] |
Axis |
|
|
ifrs-full:ClassesOfFinancialAssetsAxis |
| 809 |
Financial assets, class [member] |
Member |
|
|
ifrs-full:FinancialAssetsMember |
| 810 |
Trade and other receivables |
Member |
|
|
smmt:TradeandotherreceivablesMember |
| 811 |
Cash and cash equivalents |
Member |
|
|
smmt:CashAndCashEquivalents1Member |
| 812 |
Categories of financial assets [axis] |
Axis |
|
|
ifrs-full:CategoriesOfFinancialAssetsAxis |
| 813 |
Financial assets, category [member] |
Member |
|
|
ifrs-full:FinancialAssetsCategoryMember |
| 814 |
Financial assets at amortized cost |
Member |
|
|
ifrs-full:LoansAndReceivablesCategoryMember |
| 815 |
Disclosure of financial assets [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfFinancialAssetsLineItems |
| 816 |
Financial assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:FinancialAssets |
| 817 |
2464402 - Disclosure - Financial instruments - Disclosure of detailed information about financial instruments (Details) |
Network |
* |
* |
http://www.summitplc.com/role/FinancialInstrumentsDisclosureOfDetailedInformationAboutFinancialInstrumentsDetails |
| 818 |
Disclosure of financial liabilities [table] |
Table |
* |
* |
ifrs-full:DisclosureOfFinancialLiabilitiesTable |
| 819 |
Classes of financial liabilities [axis] |
Axis |
|
|
ifrs-full:ClassesOfFinancialLiabilitiesAxis |
| 820 |
Financial liabilities, class [member] |
Member |
|
|
ifrs-full:FinancialLiabilitiesMember |
| 821 |
Trade and other payables |
Member |
|
|
smmt:TradeAndOtherPayablesMember |
| 822 |
Financial liabilities on funding arrangements |
Member |
|
|
smmt:FinancialLiabilitiesOnFundingArrangementsMember |
| 823 |
Categories of financial liabilities [axis] |
Axis |
|
|
ifrs-full:CategoriesOfFinancialLiabilitiesAxis |
| 824 |
Financial liabilities, category [member] |
Member |
|
|
ifrs-full:FinancialLiabilitiesCategoryMember |
| 825 |
Financial liabilities measured at amortized cost |
Member |
|
|
ifrs-full:FinancialLiabilitiesAtAmortisedCostCategoryMember |
| 826 |
Disclosure of financial liabilities [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfFinancialLiabilitiesLineItems |
| 827 |
Financial liabilities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:FinancialLiabilities |
| 828 |
2464403 - Disclosure - Financial instruments - Foreign currency and interest rate risk (Details) |
Network |
* |
* |
http://www.summitplc.com/role/FinancialInstrumentsForeignCurrencyAndInterestRateRiskDetails |
| 829 |
Disclosure of nature and extent of risks arising from financial instruments [table] |
Table |
* |
* |
ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable |
| 830 |
Currency 1 [Axis] |
Axis |
|
|
smmt:Currency1Axis |
| 831 |
All Currencies [Domain] |
Member |
|
|
currency:AllCurrenciesDomain |
| 832 |
Pounds Sterling |
Member |
|
|
currency:GBP |
| 833 |
US Dollar |
Member |
|
|
currency:USD |
| 834 |
Types of risks [axis] |
Axis |
|
|
ifrs-full:TypesOfRisksAxis |
| 835 |
Risks [member] |
Member |
|
|
ifrs-full:TypesOfRisksMember |
| 836 |
Foreign currency risk |
Member |
|
|
ifrs-full:CurrencyRiskMember |
| 837 |
Interest rate risk |
Member |
|
|
ifrs-full:InterestRateRiskMember |
| 838 |
Disclosure of nature and extent of risks arising from financial instruments [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems |
| 839 |
Risk exposure |
Concept (Monetary) |
As Of |
|
ifrs-full:RiskExposureAssociatedWithInstrumentsSharingCharacteristic |
| 840 |
2464404 - Disclosure - Financial instruments - Narrative (Details) |
Network |
* |
* |
http://www.summitplc.com/role/FinancialInstrumentsNarrativeDetails |
| 841 |
Implied Table |
Table |
* |
* |
implied:Table |
| 842 |
Financial Instruments [Abstract] |
Abstract |
|
|
smmt:FinancialInstrumentsAbstract |
| 843 |
Interest rate fee percentage |
Concept (Percent) |
For Period |
|
smmt:InterestRateFeePercentage |
| 844 |
Average cash balance |
Concept (Monetary) |
For Period |
Debit |
smmt:CashAndCashEquivalentsAverageBalance |
| 845 |
Trade receivables |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:TradeReceivables |
| 846 |
2464405 - Disclosure - Financial instruments - Interest rate sensitivity analysis (Details) |
Network |
* |
* |
http://www.summitplc.com/role/FinancialInstrumentsInterestRateSensitivityAnalysisDetails |
| 847 |
Disclosure of nature and extent of risks arising from financial instruments [table] |
Table |
* |
* |
ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable |
| 848 |
Types of risks [axis] |
Axis |
|
|
ifrs-full:TypesOfRisksAxis |
| 849 |
Risks [member] |
Member |
|
|
ifrs-full:TypesOfRisksMember |
| 850 |
Interest rate risk |
Member |
|
|
ifrs-full:InterestRateRiskMember |
| 851 |
Disclosure of nature and extent of risks arising from financial instruments [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems |
| 852 |
Interest rate, Actual |
Concept (Percent) |
For Period |
|
smmt:DepositsInterestRate |
| 853 |
Interest received, Actual |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:InterestIncomeOnDeposits |
| 854 |
Interest rate, 1% increase |
Concept (Percent) |
For Period |
|
smmt:SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableDepositsInterestRate |
| 855 |
Interest received, 1% increase |
Concept (Monetary) |
For Period |
Debit |
smmt:SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableInterestReceived |
| 856 |
2467402 - Disclosure - Provisions for other liabilities and charges and contingent liabilities - Disclosure of contingent liabilities (Details) |
Network |
* |
* |
http://www.summitplc.com/role/ProvisionsForOtherLiabilitiesAndChargesAndContingentLiabilitiesDisclosureOfContingentLiabilitiesDetails |
| 857 |
Disclosure of other provisions [table] |
Table |
* |
* |
ifrs-full:DisclosureOfOtherProvisionsTable |
| 858 |
Classes of other provisions [axis] |
Axis |
|
|
ifrs-full:ClassesOfProvisionsAxis |
| 859 |
Other provisions [member] |
Member |
|
|
ifrs-full:OtherProvisionsMember |
| 860 |
Assumed contingent liabilities |
Member |
|
|
smmt:AssumedContingentLiabilitiesMember |
| 861 |
Dilapidations |
Member |
|
|
smmt:DilapidationsMember |
| 862 |
Royalties |
Member |
|
|
smmt:RoyaltiesMember |
| 863 |
Disclosure of other provisions [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfOtherProvisionsLineItems |
| 864 |
Beginning balance |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:OtherLongtermProvisions |
| 865 |
Additions |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:AdditionalProvisionsOtherProvisions |
| 866 |
Unwinding of the discount factor |
Concept (Monetary) |
For Period |
Debit |
smmt:ExpenseDueToUnwindingOfDiscountOnProvisionsOtherLiability |
| 867 |
Used during the year |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ProvisionUsedOtherProvisions |
| 868 |
Ending balance |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:OtherLongtermProvisions |
| 869 |
2467403 - Disclosure - Provisions for other liabilities and charges and contingent liabilities - Narrative (Details) |
Network |
* |
* |
http://www.summitplc.com/role/ProvisionsForOtherLiabilitiesAndChargesAndContingentLiabilitiesNarrativeDetails |
| 870 |
Disclosure of other provisions [table] |
Table |
* |
* |
ifrs-full:DisclosureOfOtherProvisionsTable |
| 871 |
Counterparties [axis] |
Axis |
|
|
ifrs-full:CounterpartiesAxis |
| 872 |
Counterparties [member] |
Member |
|
|
ifrs-full:CounterpartiesMember |
| 873 |
Wellcome Trust |
Member |
|
|
smmt:WellcomeTrustMember |
| 874 |
Business combinations [axis] |
Axis |
|
|
ifrs-full:BusinessCombinationsAxis |
| 875 |
Entity's total for business combinations [member] |
Member |
|
|
ifrs-full:EntitysTotalForBusinessCombinationsMember |
| 876 |
Discuva Limited |
Member |
|
|
smmt:DiscuvaLimitedMember |
| 877 |
Agreement [Axis] |
Axis |
|
|
smmt:AgreementAxis |
| 878 |
Agreement [Domain] |
Member |
|
|
smmt:AgreementDomain |
| 879 |
The School Of Pharmacy, University Of London |
Member |
|
|
smmt:TheSchoolOfPharmacyUniversityOfLondonMember |
| 880 |
Disclosure of other provisions [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfOtherProvisionsLineItems |
| 881 |
Discount rate applied to cash flow projections |
Concept (Percent) |
As Of |
|
ifrs-full:DescriptionOfDiscountRatesAppliedToCashFlowProjections |
| 882 |
Contingent liabilities recognised as of acquisition date |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:ContingentLiabilitiesRecognisedAsOfAcquisitionDate |
| 883 |
Financial liabilities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:FinancialLiabilities |
| 884 |
Financial liabilities, initial payment |
Concept (Monetary) |
As Of |
Credit |
smmt:FinancialLiabilitiesInitialPayment |
| 885 |
2467404 - Disclosure - Provisions for other liabilities and charges and contingent liabilities - Disclosure of contingent liabilities in business combination (Details) |
Network |
* |
* |
http://www.summitplc.com/role/ProvisionsForOtherLiabilitiesAndChargesAndContingentLiabilitiesDisclosureOfContingentLiabilitiesInBusinessCombinationDetails |
| 886 |
Disclosure of contingent liabilities [table] |
Table |
* |
* |
ifrs-full:DisclosureOfContingentLiabilitiesTable |
| 887 |
Business combinations [axis] |
Axis |
|
|
ifrs-full:BusinessCombinationsAxis |
| 888 |
Entity's total for business combinations [member] |
Member |
|
|
ifrs-full:EntitysTotalForBusinessCombinationsMember |
| 889 |
Discuva Limited |
Member |
|
|
smmt:DiscuvaLimitedMember |
| 890 |
Disclosure of contingent liabilities [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfContingentLiabilitiesLineItems |
| 891 |
Estimated assumed contingent liabilities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:ContingentLiabilitiesRecognisedAsOfAcquisitionDate |
| 892 |
1% lower discount rate |
Concept (Monetary) |
As Of |
Credit |
smmt:ContingentLiabilitiesRecognisedAsOfAcquisitionDateOnePercentLowerDiscountRate |
| 893 |
1% higher discount rate |
Concept (Monetary) |
As Of |
Credit |
smmt:ContingentLiabilitiesRecognisedAsOfAcquisitionDateOnePercentHigherDiscountRate |
| 894 |
10% lower probability of success |
Concept (Monetary) |
As Of |
Credit |
smmt:ContingentLiabilitiesRecognisedAsOfAcquisitionDateTenPercentLowerProbabilityOfSuccess |
| 895 |
10% higher probability of success |
Concept (Monetary) |
As Of |
Credit |
smmt:ContingentLiabilitiesRecognisedAsOfAcquisitionDateTenPercentHigherProbabilityOfSuccess |
| 896 |
2470402 - Disclosure - Deferred tax liability - Narrative (Details) |
Network |
* |
* |
http://www.summitplc.com/role/DeferredTaxLiabilityNarrativeDetails |
| 897 |
Disclosure of income tax [Table] |
Table |
* |
* |
smmt:DisclosureofincometaxTable |
| 898 |
Business combinations [axis] |
Axis |
|
|
ifrs-full:BusinessCombinationsAxis |
| 899 |
Entity's total for business combinations [member] |
Member |
|
|
ifrs-full:EntitysTotalForBusinessCombinationsMember |
| 900 |
MuOx Limited |
Member |
|
|
smmt:MuOxLimitedMember |
| 901 |
Disclosure of income tax [Line Items] |
LineItems |
|
|
smmt:DisclosureofincometaxLineItems |
| 902 |
Deferred tax liability, release relating to intangible asset impairment |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:DeferredTaxExpenseIncomeRelatingToOriginationAndReversalOfTemporaryDifferences |
| 903 |
2470403 - Disclosure - Deferred tax liability - Detailed disclosure about deferred tax liability (Details) |
Network |
* |
* |
http://www.summitplc.com/role/DeferredTaxLiabilityDetailedDisclosureAboutDeferredTaxLiabilityDetails |
| 904 |
Implied Table |
Table |
* |
* |
implied:Table |
| 905 |
Deferred tax assets and liabilities [abstract] |
Abstract |
|
|
ifrs-full:DeferredTaxAssetsAndLiabilitiesAbstract |
| 906 |
At February 1 |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:DeferredTaxLiabilities |
| 907 |
Release of temporary difference relating to the intangible asset |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:DeferredTaxExpenseIncomeRelatingToOriginationAndReversalOfTemporaryDifferences |
| 908 |
Acquisition of subsidiary |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:IncreaseDecreaseThroughBusinessCombinationsDeferredTaxLiabilityAsset |
| 909 |
At January 31 |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:DeferredTaxLiabilities |
| 910 |
2473402 - Disclosure - Share capital - Disclosure of share capital (Details) |
Network |
* |
* |
http://www.summitplc.com/role/ShareCapitalDisclosureOfShareCapitalDetails |
| 911 |
Disclosure of classes of share capital [table] |
Table |
* |
* |
ifrs-full:DisclosureOfClassesOfShareCapitalTable |
| 912 |
Classes of share capital [axis] |
Axis |
|
|
ifrs-full:ClassesOfShareCapitalAxis |
| 913 |
Share capital [member] |
Member |
|
|
ifrs-full:ClassesOfShareCapitalMember |
| 914 |
Ordinary shares |
Member |
|
|
ifrs-full:OrdinarySharesMember |
| 915 |
Disclosure of classes of share capital [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfClassesOfShareCapitalLineItems |
| 916 |
Alloted, called up and fully paid |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:IssuedCapital |
| 917 |
Number of shares issued and fully paid (in shares) |
Concept (Shares) |
As Of |
|
ifrs-full:NumberOfSharesIssuedAndFullyPaid |
| 918 |
Par value per share (in pounds per share) |
Concept (Share) |
As Of |
|
ifrs-full:ParValuePerShare |
| 919 |
2473403 - Disclosure - Share capital - Change in ordinary Shares (Details) |
Network |
* |
* |
http://www.summitplc.com/role/ShareCapitalChangeInOrdinarySharesDetails |
| 920 |
Disclosure of classes of share capital [table] |
Table |
* |
* |
ifrs-full:DisclosureOfClassesOfShareCapitalTable |
| 921 |
Components of equity [axis] |
Axis |
|
|
ifrs-full:ComponentsOfEquityAxis |
| 922 |
Equity [member] |
Member |
|
|
ifrs-full:EquityMember |
| 923 |
Share capital |
Member |
|
|
ifrs-full:IssuedCapitalMember |
| 924 |
Share premium |
Member |
|
|
ifrs-full:SharePremiumMember |
| 925 |
Total consideration |
Member |
|
|
smmt:TotalConsiderationMember |
| 926 |
Classes of share capital [axis] |
Axis |
|
|
ifrs-full:ClassesOfShareCapitalAxis |
| 927 |
Share capital [member] |
Member |
|
|
ifrs-full:ClassesOfShareCapitalMember |
| 928 |
Ordinary shares |
Member |
|
|
ifrs-full:OrdinarySharesMember |
| 929 |
Disclosure of classes of share capital [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfClassesOfShareCapitalLineItems |
| 930 |
Number of shares |
Abstract |
|
|
ifrs-full:NumberOfSharesIssuedAbstract |
| 931 |
Number of shares issued and fully paid, beginning balance (in shares) |
Concept (Shares) |
As Of |
|
ifrs-full:NumberOfSharesIssuedAndFullyPaid |
| 932 |
New share capital issued (net of transaction costs) (in shares) |
Concept (Shares) |
For Period |
|
ifrs-full:IncreaseDecreaseInNumberOfOrdinarySharesIssued |
| 933 |
Issue of Ordinary Shares as consideration for a business combination (in shares) |
Concept (Shares) |
For Period |
|
smmt:IssueOfOrdinarySharesAsConsiderationForABusinessCombinationShares |
| 934 |
New share capital issued from exercise of warrants (in shares) |
Concept (Shares) |
For Period |
|
smmt:WarrantsExercised |
| 935 |
Share options exercised (in shares) |
Concept (Decimal) |
For Period |
|
ifrs-full:NumberOfShareOptionsExercisedInSharebasedPaymentArrangement |
| 936 |
Number of shares issued and fully paid, ending balance (in shares) |
Concept (Shares) |
As Of |
|
ifrs-full:NumberOfSharesIssuedAndFullyPaid |
| 937 |
Disclosure of classes of share capital [abstract] |
Abstract |
|
|
ifrs-full:DisclosureOfClassesOfShareCapitalAbstract |
| 938 |
Share capital, beginning balance |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:IssuedCapital |
| 939 |
New share capital issued (net of transaction costs) |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:IssueOfEquity |
| 940 |
Issue of Ordinary Shares as consideration for a business combination |
Concept (Monetary) |
For Period |
Credit |
smmt:IssueOfOrdinarySharesAsConsiderationForABusinessCombinationAmount |
| 941 |
New share capital issued from exercise of warrants |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:IncreaseDecreaseThroughExerciseOfWarrantsEquity |
| 942 |
Share options exercised |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:IncreaseDecreaseThroughExerciseOfOptions |
| 943 |
Share capital, ending balance |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:IssuedCapital |
| 944 |
2473404 - Disclosure - Share capital - Narrative (Details) |
Network |
* |
* |
http://www.summitplc.com/role/ShareCapitalNarrativeDetails |
| 945 |
Disclosure of classes of share capital [table] |
Table |
* |
* |
ifrs-full:DisclosureOfClassesOfShareCapitalTable |
| 946 |
Classes of share capital [axis] |
Axis |
|
|
ifrs-full:ClassesOfShareCapitalAxis |
| 947 |
Share capital [member] |
Member |
|
|
ifrs-full:ClassesOfShareCapitalMember |
| 948 |
Ordinary shares |
Member |
|
|
ifrs-full:OrdinarySharesMember |
| 949 |
American Depository Shares |
Member |
|
|
smmt:AmericanDepositorySharesMember |
| 950 |
Disclosure of classes of share capital [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfClassesOfShareCapitalLineItems |
| 951 |
Number of shares issued and fully paid (in shares) |
Concept (Shares) |
As Of |
|
ifrs-full:NumberOfSharesIssuedAndFullyPaid |
| 952 |
Par value per share (in pounds per share) |
Concept (Share) |
As Of |
|
ifrs-full:ParValuePerShare |
| 953 |
Share capital |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:IssuedCapital |
| 954 |
Share issue related cost |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ShareIssueRelatedCost |
| 955 |
Number of ordinary shares |
Concept (Shares) |
As Of |
|
smmt:NumberOfOrdinaryShares |
| 956 |
Proceeds from exercise of share options |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ProceedsFromExerciseOfOptions |
| 957 |
Dividends declared |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:DividendsClassifiedAsExpense |
| 958 |
Dividends paid |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:DividendsPaidOrdinaryShares |
| 959 |
2473405 - Disclosure - Share capital - Number of options exercised (Details) |
Network |
* |
* |
http://www.summitplc.com/role/ShareCapitalNumberOfOptionsExercisedDetails |
| 960 |
Disclosure of classes of share capital [table] |
Table |
* |
* |
ifrs-full:DisclosureOfClassesOfShareCapitalTable |
| 961 |
Classes of share capital [axis] |
Axis |
|
|
ifrs-full:ClassesOfShareCapitalAxis |
| 962 |
Share capital [member] |
Member |
|
|
ifrs-full:ClassesOfShareCapitalMember |
| 963 |
Share Options and Restricted Stock Units (RSUs) |
Member |
|
|
smmt:ShareOptionsandRestrictedStockUnitsRSUsMember |
| 964 |
Disclosure of classes of share capital [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfClassesOfShareCapitalLineItems |
| 965 |
Share options exercised (in shares) |
Concept (Decimal) |
For Period |
|
ifrs-full:NumberOfShareOptionsExercisedInSharebasedPaymentArrangement |
| 966 |
2474402 - Disclosure - Share option scheme and restricted stock units - Outstanding share options (Details) |
Network |
* |
* |
http://www.summitplc.com/role/ShareOptionSchemeAndRestrictedStockUnitsOutstandingShareOptionsDetails |
| 967 |
Disclosure of terms and conditions of share-based payment arrangement [table] |
Table |
* |
* |
ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable |
| 968 |
Vesting [Axis] |
Axis |
|
|
smmt:Vesting1Axis |
| 969 |
Vesting [Domain] |
Member |
|
|
smmt:Vesting1Domain |
| 970 |
Tranche one |
Member |
|
|
smmt:SharebasedCompensationAwardTrancheOneMember |
| 971 |
Tranche two |
Member |
|
|
smmt:SharebasedCompensationAwardTrancheTwoMember |
| 972 |
Tranche three |
Member |
|
|
smmt:SharebasedCompensationAwardTrancheThreeMember |
| 973 |
Award Date [Axis] |
Axis |
|
|
smmt:AwardDate1Axis |
| 974 |
Award Date [Domain] |
Member |
|
|
smmt:AwardDate1Domain |
| 975 |
April 7, 2011 |
Member |
|
|
smmt:April72011Member |
| 976 |
May 10, 2012 |
Member |
|
|
smmt:May102012Member |
| 977 |
December 24, 2012 |
Member |
|
|
smmt:December242012Member |
| 978 |
December 18, 2013 |
Member |
|
|
smmt:December182013Member |
| 979 |
January 31, 2013 |
Member |
|
|
smmt:January312013Member |
| 980 |
June 23, 2014 |
Member |
|
|
smmt:June232014Member |
| 981 |
July 15, 2014 |
Member |
|
|
smmt:July152014Member |
| 982 |
January 21, 2015 |
Member |
|
|
smmt:January212015Member |
| 983 |
June 16, 2015 |
Member |
|
|
smmt:June162015Member |
| 984 |
October 15, 2015 |
Member |
|
|
smmt:October152015Member |
| 985 |
June 23, 2016 |
Member |
|
|
smmt:June232016Member |
| 986 |
April 11, 2017 |
Member |
|
|
smmt:April112017Member |
| 987 |
June 27, 2017 |
Member |
|
|
smmt:June272017Member |
| 988 |
July 18, 2017 |
Member |
|
|
smmt:July182017Member |
| 989 |
October 24, 2017 |
Member |
|
|
smmt:October242017Member |
| 990 |
April 20, 2018 |
Member |
|
|
smmt:April202018Member |
| 991 |
October 19, 2018 |
Member |
|
|
smmt:October192018Member |
| 992 |
Types of share-based payment arrangements [axis] |
Axis |
|
|
ifrs-full:TypesOfSharebasedPaymentArrangementsAxis |
| 993 |
Share- based payment reserve |
Member |
|
|
ifrs-full:SharebasedPaymentArrangementsMember |
| 994 |
Approved EMI scheme |
Member |
|
|
smmt:ApprovedEMIMember |
| 995 |
Unapproved scheme |
Member |
|
|
smmt:UnapprovedMember |
| 996 |
Disclosure of terms and conditions of share-based payment arrangement [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems |
| 997 |
Share Options |
Abstract |
|
|
smmt:ShareOptionsAbstract |
| 998 |
Exercise price of outstanding share options (in Pounds per share) |
Concept (Monetary) |
As Of |
|
ifrs-full:ExercisePriceOfOutstandingShareOptions |
| 999 |
Number of shares (in shares) |
Concept (Decimal) |
As Of |
|
ifrs-full:NumberOfOutstandingShareOptions |
| 1000 |
RSU's |
Abstract |
|
|
smmt:OtherEquityInstrumentsAbstract |
| 1001 |
Exercise price (in Pounds per share) |
Concept (Monetary) |
As Of |
|
ifrs-full:WeightedAverageExercisePriceOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement |
| 1002 |
Number of shares (in shares) |
Concept (Decimal) |
As Of |
|
ifrs-full:NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement |
| 1003 |
2474403 - Disclosure - Share option scheme and restricted stock units - Movement in options (Details) |
Network |
* |
* |
http://www.summitplc.com/role/ShareOptionSchemeAndRestrictedStockUnitsMovementInOptionsDetails |
| 1004 |
Implied Table |
Table |
* |
* |
implied:Table |
| 1005 |
Disclosure Of Share-Based Payment Arrangements [Abstract] |
Abstract |
|
|
smmt:DisclosureOfShareBasedPaymentArrangementsAbstract |
| 1006 |
Share Options |
Abstract |
|
|
smmt:ShareOptionsAbstract |
| 1007 |
Outstanding at February 1, (in Pounds per share) |
Concept (Monetary) |
As Of |
|
ifrs-full:WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement |
| 1008 |
Granted during the year (in Pounds per share) |
Concept (Monetary) |
For Period |
|
ifrs-full:WeightedAverageExercisePriceOfShareOptionsGrantedInSharebasedPaymentArrangement |
| 1009 |
Lapsed / surrendered during the year (in Pounds per share) |
Concept (Monetary) |
For Period |
|
ifrs-full:WeightedAverageExercisePriceOfShareOptionsForfeitedInSharebasedPaymentArrangement |
| 1010 |
Exercised during the year (in Pounds per share) |
Concept (Monetary) |
For Period |
|
ifrs-full:WeightedAverageExercisePriceOfShareOptionsInSharebasedPaymentArrangementExercisedDuringPeriodAtDateOfExercise |
| 1011 |
Outstanding at January 31, (in Pounds per share) |
Concept (Monetary) |
As Of |
|
ifrs-full:WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement |
| 1012 |
Outstanding at February 1, (in shares) |
Concept (Decimal) |
As Of |
|
ifrs-full:NumberOfOutstandingShareOptions |
| 1013 |
Granted during the year (in shares) |
Concept (Decimal) |
For Period |
|
ifrs-full:NumberOfShareOptionsGrantedInSharebasedPaymentArrangement |
| 1014 |
Lapsed / surrendered during the year (in shares) |
Concept (Decimal) |
For Period |
|
ifrs-full:NumberOfShareOptionsForfeitedInSharebasedPaymentArrangement |
| 1015 |
Exercised during the year (in shares) |
Concept (Decimal) |
For Period |
|
ifrs-full:NumberOfShareOptionsExercisedInSharebasedPaymentArrangement |
| 1016 |
Outstanding at January 31, (in shares) |
Concept (Decimal) |
As Of |
|
ifrs-full:NumberOfOutstandingShareOptions |
| 1017 |
RSU's |
Abstract |
|
|
smmt:OtherEquityInstrumentsAbstract |
| 1018 |
Outstanding at February 1, (in Pounds per share) |
Concept (Monetary) |
As Of |
|
ifrs-full:WeightedAverageExercisePriceOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement |
| 1019 |
Granted during the year (in Pounds per share) |
Concept (Monetary) |
For Period |
|
ifrs-full:WeightedAverageExercisePriceOfOtherEquityInstrumentsGrantedInSharebasedPaymentArrangement |
| 1020 |
Exercised during the year (in Pounds per share) |
Concept (Monetary) |
For Period |
|
ifrs-full:WeightedAverageExercisePriceOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement |
| 1021 |
Outstanding at January 31, (in Pounds per share) |
Concept (Monetary) |
As Of |
|
ifrs-full:WeightedAverageExercisePriceOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement |
| 1022 |
Outstanding at February 1, (in shares) |
Concept (Decimal) |
As Of |
|
ifrs-full:NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement |
| 1023 |
Granted during the year (in shares) |
Concept (Decimal) |
For Period |
|
ifrs-full:NumberOfInstrumentsOtherEquityInstrumentsGranted |
| 1024 |
Exercised during the year (in shares) |
Concept (Decimal) |
For Period |
|
ifrs-full:NumberOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement |
| 1025 |
Outstanding at January 31, (in shares) |
Concept (Decimal) |
As Of |
|
ifrs-full:NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement |
| 1026 |
2474404 - Disclosure - Share option scheme and restricted stock units - Narrative (Details) |
Network |
* |
* |
http://www.summitplc.com/role/ShareOptionSchemeAndRestrictedStockUnitsNarrativeDetails |
| 1027 |
Disclosure of terms and conditions of share-based payment arrangement [table] |
Table |
* |
* |
ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable |
| 1028 |
Types of share-based payment arrangements [axis] |
Axis |
|
|
ifrs-full:TypesOfSharebasedPaymentArrangementsAxis |
| 1029 |
Share- based payment reserve |
Member |
|
|
ifrs-full:SharebasedPaymentArrangementsMember |
| 1030 |
Share Options, Voluntarily Surrendered |
Member |
|
|
smmt:ShareOptionsVoluntarilySurrenderedMember |
| 1031 |
Range [axis] |
Axis |
|
|
ifrs-full:RangeAxis |
| 1032 |
Ranges [member] |
Member |
|
|
ifrs-full:RangesMember |
| 1033 |
Bottom of range |
Member |
|
|
ifrs-full:BottomOfRangeMember |
| 1034 |
Top of range |
Member |
|
|
ifrs-full:TopOfRangeMember |
| 1035 |
Disclosure of terms and conditions of share-based payment arrangement [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems |
| 1036 |
Share options voluntarily surrendered |
Concept (Decimal) |
For Period |
|
ifrs-full:NumberOfShareOptionsForfeitedInSharebasedPaymentArrangement |
| 1037 |
Share-based payment |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ExpenseFromSharebasedPaymentTransactionsWithEmployees |
| 1038 |
Number of share options exercisable in share-based payment arrangement (in shares) |
Concept (Decimal) |
As Of |
|
ifrs-full:NumberOfShareOptionsExercisableInSharebasedPaymentArrangement |
| 1039 |
Weighted average exercise price of share options exercisable in share-based payment arrangement (in pounds per share) |
Concept (Monetary) |
As Of |
|
ifrs-full:WeightedAverageExercisePriceOfShareOptionsExercisableInSharebasedPaymentArrangement |
| 1040 |
Number of outstanding options (in Pounds per share) |
Concept (Monetary) |
As Of |
|
ifrs-full:WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement |
| 1041 |
Share options, remaining contractual life |
Concept (Decimal) |
As Of |
|
ifrs-full:WeightedAverageRemainingContractualLifeOfOutstandingShareOptions |
| 1042 |
Expected volatility, share options granted |
Concept (Percent) |
For Period |
|
ifrs-full:DescriptionOfExpectedVolatilityShareOptionsGranted |
| 1043 |
Number of RSUs exercisable in share-based payment arrangement (in shares) |
Concept (Decimal) |
As Of |
|
ifrs-full:NumberOfOtherEquityInstrumentsExercisableInSharebasedPaymentArrangement |
| 1044 |
Weighted average exercise price of RSUs exercisable in share-based payment arrangement (in Pounds per share) |
Concept (Monetary) |
As Of |
|
ifrs-full:WeightedAverageExercisePriceOfOtherEquityInstrumentsExercisableInSharebasedPaymentArrangement |
| 1045 |
RSUs, remaining contractual life |
Concept (Decimal) |
As Of |
|
smmt:WeightedAverageRemainingContractualLifeOfOtherEquityInstruments |
| 1046 |
Expected volatility, RSUs granted |
Concept (Percent) |
For Period |
|
smmt:ExpectedVolatilityOtherEquityInstrumentsGranted |
| 1047 |
2474405 - Disclosure - Share option scheme and restricted stock units - Fair value per award granted (Details) |
Network |
* |
* |
http://www.summitplc.com/role/ShareOptionSchemeAndRestrictedStockUnitsFairValuePerAwardGrantedDetails |
| 1048 |
Disclosure of terms and conditions of share-based payment arrangement [table] |
Table |
* |
* |
ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable |
| 1049 |
Vesting [Axis] |
Axis |
|
|
smmt:Vesting1Axis |
| 1050 |
Vesting [Domain] |
Member |
|
|
smmt:Vesting1Domain |
| 1051 |
Tranche one |
Member |
|
|
smmt:SharebasedCompensationAwardTrancheOneMember |
| 1052 |
Tranche two |
Member |
|
|
smmt:SharebasedCompensationAwardTrancheTwoMember |
| 1053 |
Tranche three |
Member |
|
|
smmt:SharebasedCompensationAwardTrancheThreeMember |
| 1054 |
Award Date [Axis] |
Axis |
|
|
smmt:AwardDate1Axis |
| 1055 |
Award Date [Domain] |
Member |
|
|
smmt:AwardDate1Domain |
| 1056 |
April 7, 2011 |
Member |
|
|
smmt:April72011Member |
| 1057 |
May 10, 2012 |
Member |
|
|
smmt:May102012Member |
| 1058 |
December 24, 2012 |
Member |
|
|
smmt:December242012Member |
| 1059 |
January 31, 2013 |
Member |
|
|
smmt:January312013Member |
| 1060 |
December 18, 2013 |
Member |
|
|
smmt:December182013Member |
| 1061 |
June 23, 2014 |
Member |
|
|
smmt:June232014Member |
| 1062 |
July 15, 2014 |
Member |
|
|
smmt:July152014Member |
| 1063 |
January 21, 2015 |
Member |
|
|
smmt:January212015Member |
| 1064 |
June 15, 2015 |
Member |
|
|
smmt:June152015Member |
| 1065 |
October 15, 2015 |
Member |
|
|
smmt:October152015Member |
| 1066 |
June 23, 2016 |
Member |
|
|
smmt:June232016Member |
| 1067 |
April 11, 2017 |
Member |
|
|
smmt:April112017Member |
| 1068 |
June 27, 2017 |
Member |
|
|
smmt:June272017Member |
| 1069 |
July 18, 2017 |
Member |
|
|
smmt:July182017Member |
| 1070 |
October 24, 2017 |
Member |
|
|
smmt:October242017Member |
| 1071 |
April 20, 2018 |
Member |
|
|
smmt:April202018Member |
| 1072 |
October 19, 2018 |
Member |
|
|
smmt:October192018Member |
| 1073 |
Types of share-based payment arrangements [axis] |
Axis |
|
|
ifrs-full:TypesOfSharebasedPaymentArrangementsAxis |
| 1074 |
Share- based payment reserve |
Member |
|
|
ifrs-full:SharebasedPaymentArrangementsMember |
| 1075 |
Approved EMI scheme |
Member |
|
|
smmt:ApprovedEMIMember |
| 1076 |
Unapproved scheme |
Member |
|
|
smmt:UnapprovedMember |
| 1077 |
Disclosure of terms and conditions of share-based payment arrangement [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems |
| 1078 |
Share Options |
Abstract |
|
|
smmt:ShareOptionsAbstract |
| 1079 |
Number of shares (in shares) |
Concept (Decimal) |
As Of |
|
ifrs-full:NumberOfOutstandingShareOptions |
| 1080 |
Exercise price of outstanding share options (in Pounds per share) |
Concept (Monetary) |
As Of |
|
ifrs-full:ExercisePriceOfOutstandingShareOptions |
| 1081 |
Share price at grant date |
Concept (Monetary) |
For Period |
|
ifrs-full:WeightedAverageSharePriceShareOptionsGranted |
| 1082 |
Fair value per option (in Pounds per share) |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:WeightedAverageFairValueAtMeasurementDateShareOptionsGranted |
| 1083 |
Award life (years) |
Concept (Decimal) |
For Period |
|
ifrs-full:DescriptionOfOptionLifeShareOptionsGranted |
| 1084 |
Risk free rate |
Concept (Percent) |
For Period |
|
ifrs-full:DescriptionOfRiskFreeInterestRateShareOptionsGranted |
| 1085 |
RSU's |
Abstract |
|
|
smmt:OtherEquityInstrumentsAbstract |
| 1086 |
Number of shares (in shares) |
Concept (Decimal) |
As Of |
|
ifrs-full:NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement |
| 1087 |
Exercise price (in Pounds per share) |
Concept (Monetary) |
As Of |
|
ifrs-full:WeightedAverageExercisePriceOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement |
| 1088 |
Share price at grant date (in Pounds per share) |
Concept (Monetary) |
For Period |
|
ifrs-full:WeightedAverageExercisePriceOfOtherEquityInstrumentsGrantedInSharebasedPaymentArrangement |
| 1089 |
Fair value per option (in Pounds per share) |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:WeightedAverageFairValueAtMeasurementDateOtherEquityInstrumentsGranted |
| 1090 |
Award life (years) |
Concept (Decimal) |
For Period |
|
smmt:OptionLifeOtherEquityInstruments |
| 1091 |
Risk free rate |
Concept (Percent) |
For Period |
|
smmt:RiskFreeInterestRateOtherEquityInstruments |
| 1092 |
2475401 - Disclosure - Fixed assets purchase commitments (Details) |
Network |
* |
* |
http://www.summitplc.com/role/FixedAssetsPurchaseCommitmentsDetails |
| 1093 |
Implied Table |
Table |
* |
* |
implied:Table |
| 1094 |
Fixed Assets Purchase Commitments [Abstract] |
Abstract |
|
|
smmt:FixedAssetsPurchaseCommitmentsAbstract |
| 1095 |
Contractual capital commitments |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:ContractualCapitalCommitments |
| 1096 |
2476402 - Disclosure - Leasing and other commitments (Details) |
Network |
* |
* |
http://www.summitplc.com/role/LeasingAndOtherCommitmentsDetails |
| 1097 |
Disclosure of finance lease and operating lease by lessee [table] |
Table |
* |
* |
ifrs-full:DisclosureOfFinanceLeaseAndOperatingLeaseByLesseeTable |
| 1098 |
Maturity [axis] |
Axis |
|
|
ifrs-full:MaturityAxis |
| 1099 |
Aggregated time bands [member] |
Member |
|
|
ifrs-full:AggregatedTimeBandsMember |
| 1100 |
Not later than one year |
Member |
|
|
ifrs-full:NotLaterThanOneYearMember |
| 1101 |
Later than one year and not later than five years |
Member |
|
|
ifrs-full:LaterThanOneYearAndNotLaterThanFiveYearsMember |
| 1102 |
Disclosure of finance lease and operating lease by lessee [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfFinanceLeaseAndOperatingLeaseByLesseeLineItems |
| 1103 |
Minimum lease payments payable under non-cancellable operating lease |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:MinimumLeasePaymentsPayableUnderNoncancellableOperatingLease |
| 1104 |
2477401 - Disclosure - Related party transactions (Details) |
Network |
* |
* |
http://www.summitplc.com/role/RelatedPartyTransactionsDetails |
| 1105 |
Disclosure of transactions between related parties [table] |
Table |
* |
* |
ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesTable |
| 1106 |
Related Party Name [Axis] |
Axis |
|
|
smmt:RelatedPartyNameAxis |
| 1107 |
Related Party Name [Domain] |
Member |
|
|
smmt:RelatedPartyNameDomain |
| 1108 |
Oxford University Innovation Limited |
Member |
|
|
smmt:OxfordUniversityInnovationLimitedMember |
| 1109 |
Disclosure of transactions between related parties [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesLineItems |
| 1110 |
Fees paid to related party |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ServicesReceivedRelatedPartyTransactions |
| 1111 |
Amounts payable to related party |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:AmountsPayableRelatedPartyTransactions |
| 1112 |
2478402 - Disclosure - Business combinations - Narrative (Details) |
Network |
* |
* |
http://www.summitplc.com/role/BusinessCombinationsNarrativeDetails |
| 1113 |
Disclosure of transactions recognised separately from acquisition of assets and assumption of liabilities in business combination [table] |
Table |
* |
* |
ifrs-full:DisclosureOfTransactionsRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombinationTable |
| 1114 |
Business combinations [axis] |
Axis |
|
|
ifrs-full:BusinessCombinationsAxis |
| 1115 |
Entity's total for business combinations [member] |
Member |
|
|
ifrs-full:EntitysTotalForBusinessCombinationsMember |
| 1116 |
Discuva Limited |
Member |
|
|
smmt:DiscuvaLimitedMember |
| 1117 |
Disclosure of transactions recognised separately from acquisition of assets and assumption of liabilities in business combination [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfTransactionsRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombinationLineItems |
| 1118 |
Percentage of voting equity interests acquired |
Concept (Percent) |
As Of |
|
ifrs-full:PercentageOfVotingEquityInterestsAcquired |
| 1119 |
Cash transferred |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:CashTransferred |
| 1120 |
Cash transferred, net of cash acquired |
Concept (Monetary) |
As Of |
Debit |
smmt:CashTransferredNetOfCashAcquired |
| 1121 |
Equity interests of acquirer |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:EquityInterestsOfAcquirer |
| 1122 |
Shares issued, business combination, price per share (in pounds per share) |
Concept (Share) |
As Of |
|
smmt:EquityInterestsOfAcquirerPricePerShare |
| 1123 |
Shares issued, business acquisition (in shares) |
Concept (Decimal) |
As Of |
|
ifrs-full:NumberOfInstrumentsOrInterestsIssuedOrIssuable |
| 1124 |
Goodwill |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:Goodwill |
| 1125 |
Intangible assets - SATIn technology platform |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:TechnologybasedIntangibleAssetsRecognisedAsOfAcquisitionDate |
| 1126 |
Contingent liabilities recognised as of acquisition date |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:ContingentLiabilitiesRecognisedAsOfAcquisitionDate |
| 1127 |
Trade and other receivables |
Concept (Monetary) |
As Of |
Debit |
smmt:TradeAndOtherReceivablesRecognisedAsOfAcquisitionDate |
| 1128 |
Revenue of acquiree since acquisition date |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:RevenueOfAcquiree |
| 1129 |
Revenue of acquiree since acquisition date, percent of total |
Concept (Percent) |
For Period |
|
smmt:RevenueOfAcquireeSinceAcquisitionDatePercentOfTotal |
| 1130 |
Profit of acquiree since acquisition date |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLossOfAcquiree |
| 1131 |
Pro-forma revenue |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:RevenueOfCombinedEntity |
| 1132 |
Pro-forma comprehensive loss |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLossOfCombinedEntity |
| 1133 |
Pro forma loss per share (in pounds per share) |
Concept (Share) |
For Period |
|
smmt:BasicAndDilutedEarningsLossPerShareOfCombinedEntityAsIfCombinationHadOccurredAtBeginningOfPeriod |
| 1134 |
Acquisition-related costs excluded from consideration transferred |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AcquisitionrelatedCostsRecognisedAsExpenseForTransactionRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombination |
| 1135 |
2478403 - Disclosure - Business combinations - Schedule of Assets Acquired and Liabilities Assumed (Details) |
Network |
* |
* |
http://www.summitplc.com/role/BusinessCombinationsScheduleOfAssetsAcquiredAndLiabilitiesAssumedDetails |
| 1136 |
Disclosure of detailed information about business combination [table] |
Table |
* |
* |
ifrs-full:DisclosureOfBusinessCombinationsTable |
| 1137 |
Nonrecurring Adjustment1 [Axis] |
Axis |
|
|
smmt:NonrecurringAdjustment1Axis |
| 1138 |
Nonrecurring Adjustment2 [Domain] |
Member |
|
|
smmt:NonrecurringAdjustment2Domain |
| 1139 |
Book value |
Member |
|
|
smmt:BookValueMember |
| 1140 |
Fair value adjustment |
Member |
|
|
smmt:FairValueAdjustmentMember |
| 1141 |
Business combinations [axis] |
Axis |
|
|
ifrs-full:BusinessCombinationsAxis |
| 1142 |
Entity's total for business combinations [member] |
Member |
|
|
ifrs-full:EntitysTotalForBusinessCombinationsMember |
| 1143 |
Discuva Limited |
Member |
|
|
smmt:DiscuvaLimitedMember |
| 1144 |
Disclosure of detailed information about business combination [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfBusinessCombinationsLineItems |
| 1145 |
Consideration |
Abstract |
|
|
ifrs-full:AcquisitiondateFairValueOfTotalConsiderationTransferredAbstract |
| 1146 |
Cash |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:CashTransferred |
| 1147 |
2,934,272 new Summit Therapeutics plc Ordinary Shares issued |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:EquityInterestsOfAcquirer |
| 1148 |
2,934,272 new Summit Therapeutics plc Ordinary Shares issued (in shares) |
Concept (Decimal) |
As Of |
|
ifrs-full:NumberOfInstrumentsOrInterestsIssuedOrIssuable |
| 1149 |
Total consideration |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:AcquisitiondateFairValueOfTotalConsiderationTransferred |
| 1150 |
Recognized amounts of identifiable assets acquired and liabilities assumed |
Abstract |
|
|
ifrs-full:AmountsRecognisedAsOfAcquisitionDateForEachMajorClassOfAssetsAcquiredAndLiabilitiesAssumedAbstract |
| 1151 |
Cash and cash equivalents |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CashAndCashEquivalentsRecognisedAsOfAcquisitionDate |
| 1152 |
Property, plant and equipment |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:PropertyPlantAndEquipmentRecognisedAsOfAcquisitionDate |
| 1153 |
Intangible assets - option over non-financial assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:IdentifiableIntangibleAssetsRecognisedAsOfAcquisitionDate |
| 1154 |
Intangible assets - bacterial genetics-based platform |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:TechnologybasedIntangibleAssetsRecognisedAsOfAcquisitionDate |
| 1155 |
Trade and other receivables |
Concept (Monetary) |
As Of |
Debit |
smmt:TradeAndOtherReceivablesRecognisedAsOfAcquisitionDate |
| 1156 |
Trade and other payables |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:TradeAndOtherPayablesRecognisedAsOfAcquisitionDate |
| 1157 |
Assumed contingent liabilities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:ContingentLiabilitiesRecognisedAsOfAcquisitionDate |
| 1158 |
Deferred tax liabilities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:DeferredTaxLiabilitiesRecognisedAsOfAcquisitionDate |
| 1159 |
Book and fair value of identifiable net assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:IdentifiableAssetsAcquiredLiabilitiesAssumed |
| 1160 |
Goodwill |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:Goodwill |
| 1161 |
Total consideration |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:AcquisitiondateFairValueOfTotalConsiderationTransferred |