SWEDISH EXPORT CREDIT CORP /SWED/ (SEC Filing Page | XBRL Cloud Viewer | XBRL Instance)

Line Label Object Class Period Type Balance Report ElementName
1 00090 - Document - Document and Entity Information Network

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 http://www.sek.se/role/DocumentDocumentAndEntityInformation
2 Implied Table Table

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3 Document and Entity Information Abstract sek:DocumentAndEntityInformationAbstract
4 Entity Registrant Name Concept (Text/String) For Period dei:EntityRegistrantName
5 Entity Central Index Key Concept (CIK Number) For Period dei:EntityCentralIndexKey
6 Document Type Concept (Submission Type) For Period dei:DocumentType
7 Document Period End Date Concept (Date) For Period dei:DocumentPeriodEndDate
8 Amendment Flag Concept (Yes/No) For Period dei:AmendmentFlag
9 Current Fiscal Year End Date Concept (Month/Day) For Period dei:CurrentFiscalYearEndDate
10 Entity Well-known Seasoned Issuer Concept (Yes/No) For Period dei:EntityWellKnownSeasonedIssuer
11 Entity Voluntary Filers Concept (Yes/No) For Period dei:EntityVoluntaryFilers
12 Entity Current Reporting Status Concept (Yes/No) For Period dei:EntityCurrentReportingStatus
13 Entity Filer Category Concept (Filer Category) For Period dei:EntityFilerCategory
14 Entity Common Stock, Shares Outstanding Concept (Shares) As Of dei:EntityCommonStockSharesOutstanding
15 Entity Emerging Growth Company Concept (Yes/No) For Period dei:EntityEmergingGrowthCompany
16 Entity Shell Company Concept (Yes/No) For Period dei:EntityShellCompany
17 Document Fiscal Year Focus Concept (Year) For Period dei:DocumentFiscalYearFocus
18 Document Fiscal Period Focus Concept (Fiscal Period) For Period dei:DocumentFiscalPeriodFocus
19 00100 - Statement - Consolidated Statement of Comprehensive Income Network

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 http://www.sek.se/role/StatementConsolidatedStatementOfComprehensiveIncome
20 Implied Table Table

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21 Consolidated Statement of Comprehensive Income Abstract ifrs-full:StatementOfComprehensiveIncomeAbstract
22 Interest income calculated using effective interest method Concept (Monetary) For Period Credit ifrs-full:InterestRevenueCalculatedUsingEffectiveInterestMethod
23 Other interest income Concept (Monetary) For Period Credit ifrs-full:InterestIncomeOnOtherFinancialAssets
24 Interest expenses Concept (Monetary) For Period Debit ifrs-full:InterestExpense
25 Net interest income Concept (Monetary) For Period Credit ifrs-full:InterestRevenueExpense
26 Net fee and commission expense Concept (Monetary) For Period Credit ifrs-full:FeeAndCommissionIncomeExpense
27 Net results of financial transactions Concept (Monetary) For Period Credit sek:GainLossOnFinancialTransactions
28 Other operating income Concept (Monetary) For Period Credit ifrs-full:OtherIncome
29 Total operating income Concept (Monetary) For Period Credit ifrs-full:RevenueAndOperatingIncome
30 Personnel expenses Concept (Monetary) For Period Debit ifrs-full:EmployeeBenefitsExpense
31 Other administrative expenses Concept (Monetary) For Period Debit ifrs-full:AdministrativeExpense
32 Depreciation and impairment of non-financial assets Concept (Monetary) For Period Debit ifrs-full:DepreciationAmortisationAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss
33 Total operating expenses Concept (Monetary) For Period Debit ifrs-full:OperatingExpense
34 Operating profit before credit losses Concept (Monetary) For Period Credit sek:OperatingProfitBeforeNetCreditLosses
35 Net credit losses Concept (Monetary) For Period Debit ifrs-full:ImpairmentLossOnFinancialAssets
36 Net credit losses for IFRS 9 Concept (Monetary) For Period Debit ifrs-full:ImpairmentLossImpairmentGainAndReversalOfImpairmentLossDeterminedInAccordanceWithIFRS9
37 Operating profit Concept (Monetary) For Period Credit ifrs-full:ProfitLossBeforeTax
38 Tax expenses Concept (Monetary) For Period Debit ifrs-full:IncomeTaxExpenseContinuingOperations
39 Net profit Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
40 Other comprehensive income related to: Abstract ifrs-full:OtherComprehensiveIncomeAbstract
41 Items to be reclassified to profit or loss Abstract ifrs-full:ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract
42 Available-for-sale securities Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeBeforeTaxAvailableforsaleFinancialAssets
43 Derivatives in cash-flow hedges Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeBeforeTaxCashFlowHedges
44 Tax on items to be reclassified to profit or loss Concept (Monetary) For Period Debit ifrs-full:IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLoss
45 Net items to be reclassified to profit or loss Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax
46 Items not to be reclassified to profit or loss Abstract ifrs-full:ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTaxAbstract
47 Own credit risk Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeBeforeTaxChangeInFairValueOfFinancialLiabilityAttributableToChangeInCreditRiskOfLiability
48 Revaluation of defined benefit plans Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeBeforeTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans
49 Tax on items not to be reclassified to profit or loss Concept (Monetary) For Period Debit ifrs-full:IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLoss
50 Net items not to be reclassified to profit or loss Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax
51 Total other comprehensive income Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncome
52 Total comprehensive income Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncome
53 Basic earnings per share (in SEK per share) Concept (Share) For Period ifrs-full:BasicEarningsLossPerShare
54 Diluted earnings per share (in SEK per share) Concept (Share) For Period ifrs-full:DilutedEarningsLossPerShare
55 00105 - Statement - Consolidated Statement of Comprehensive Income (Parenthetical) Network

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 http://www.sek.se/role/StatementConsolidatedStatementOfComprehensiveIncomeParenthetical
56 Implied Table Table

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57 Consolidated Statement of Comprehensive Income Abstract ifrs-full:StatementOfComprehensiveIncomeAbstract
58 Weighted average number of shares (in shares) Concept (Shares) For Period ifrs-full:WeightedAverageShares
59 00200 - Statement - Consolidated Statement of Financial Position Network

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 http://www.sek.se/role/StatementConsolidatedStatementOfFinancialPosition
60 Implied Table Table

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61 Consolidated Statements of Financial Position Abstract ifrs-full:StatementOfFinancialPositionAbstract
62 Assets Abstract ifrs-full:AssetsAbstract
63 Cash and cash equivalents Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
64 Treasuries/government bonds Concept (Monetary) As Of Debit ifrs-full:GovernmentDebtInstrumentsHeld
65 Other interest-bearing securities except loans Concept (Monetary) As Of Debit ifrs-full:OtherDebtInstrumentsHeld
66 Loans in the form of interest-bearing securities Concept (Monetary) As Of Debit sek:LoansInFormOfInterestBearingSecurities
67 Loans to credit institutions Concept (Monetary) As Of Debit ifrs-full:LoansAndAdvancesToBanks
68 Loans to the public Concept (Monetary) As Of Debit ifrs-full:CorporateLoans
69 Derivatives Concept (Monetary) As Of Debit ifrs-full:DerivativeFinancialAssets
70 Tangible and intangible assets Concept (Monetary) As Of Debit sek:PropertyPlantAndEquipmentAndIntangibleAssets
71 Other assets Concept (Monetary) As Of Debit ifrs-full:OtherAssets
72 Prepaid expenses and accrued revenues Concept (Monetary) As Of Debit ifrs-full:PrepaymentsAndAccruedIncome
73 Total assets Concept (Monetary) As Of Debit ifrs-full:Assets
74 Liabilities and equity Abstract ifrs-full:EquityAndLiabilitiesAbstract
75 Borrowing from credit institutions Concept (Monetary) As Of Credit sek:BorrowingsFromCreditInstitutions
76 Debt securities issued Concept (Monetary) As Of Credit sek:SeniorSecuritiesIssued
77 Derivatives Concept (Monetary) As Of Credit ifrs-full:DerivativeFinancialLiabilities
78 Other liabilities Concept (Monetary) As Of Credit ifrs-full:OtherLiabilities
79 Accrued expenses and prepaid revenues Concept (Monetary) As Of Credit ifrs-full:AccrualsAndDeferredIncome
80 Deferred tax liabilities Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilityAsset
81 Provisions Concept (Monetary) As Of Credit ifrs-full:Provisions
82 Subordinated liabilities Concept (Monetary) As Of Credit ifrs-full:SubordinatedLiabilities
83 Total liabilities Concept (Monetary) As Of Credit ifrs-full:Liabilities
84 Share capital Concept (Monetary) As Of Credit ifrs-full:IssuedCapital
85 Reserves Concept (Monetary) As Of Credit ifrs-full:OtherReserves
86 Retained earnings Concept (Monetary) As Of Credit ifrs-full:RetainedEarnings
87 Total equity Concept (Monetary) As Of Credit ifrs-full:Equity
88 Total liabilities and equity Concept (Monetary) As Of Credit ifrs-full:EquityAndLiabilities
89 00300 - Statement - Consolidated Statement of Changes in Equity Network

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 http://www.sek.se/role/StatementConsolidatedStatementOfChangesInEquity
90 Statement of changes in equity [table] Table

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 ifrs-full:StatementOfChangesInEquityTable
91 Components of equity [axis] Axis ifrs-full:ComponentsOfEquityAxis
92 Equity [member] Member ifrs-full:EquityMember
93 Share capital Member ifrs-full:IssuedCapitalMember
94 Hedge reserve Member ifrs-full:ReserveOfCashFlowHedgesMember
95 Fair value reserve Member ifrs-full:ReserveOfGainsAndLossesOnRemeasuringAvailableforsaleFinancialAssetsMember
96 Own Credit risk Member ifrs-full:ReserveOfChangeInFairValueOfFinancialLiabilityAttributableToChangeInCreditRiskOfLiabilityMember
97 Defined benefit plans Member ifrs-full:ReserveOfRemeasurementsOfDefinedBenefitPlansMember
98 Retained earnings Member ifrs-full:RetainedEarningsMember
99 Statement of changes in equity [line items] LineItems ifrs-full:StatementOfChangesInEquityLineItems
100 Balance at the beginning of the year Concept (Monetary) As Of Credit ifrs-full:Equity
101 Effects of the implementation of IFRS 9 Concept (Monetary) As Of Credit sek:IfrsCumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption
102 Adjusted opening balance of equity Concept (Monetary) As Of Credit sek:EquityAdjustedForCumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption
103 Net profit for the year Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
104 Other comprehensive income related to: Abstract ifrs-full:OtherComprehensiveIncomeAbstract
105 Items to be reclassified to profit or loss Abstract ifrs-full:ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract
106 Available-for-sale securities Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeBeforeTaxAvailableforsaleFinancialAssets
107 Derivatives in cash-flow hedges Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeBeforeTaxCashFlowHedges
108 Tax on items to be reclassified to profit or loss Concept (Monetary) For Period Debit ifrs-full:IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLoss
109 Items not to be reclassified to profit or loss Abstract ifrs-full:ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTaxAbstract
110 Own credit risk Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeBeforeTaxChangeInFairValueOfFinancialLiabilityAttributableToChangeInCreditRiskOfLiability
111 Revaluation of defined benefit plans Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeBeforeTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans
112 Tax on items not to be reclassified to profit or loss Concept (Monetary) For Period Debit ifrs-full:IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLoss
113 Total other comprehensive income Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncome
114 Total comprehensive income Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncome
115 Dividend Concept (Monetary) For Period Debit ifrs-full:DividendsPaid
116 Balance at the end of the year Concept (Monetary) As Of Credit ifrs-full:Equity
117 00400 - Statement - Statement of Cash Flows in the Consolidated Group Network

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 http://www.sek.se/role/StatementStatementOfCashFlowsInConsolidatedGroup
118 Implied Table Table

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119 Statement of Cash Flows in the Consolidated Group Abstract ifrs-full:StatementOfCashFlowsAbstract
120 Operating activities Abstract ifrs-full:CashFlowsFromUsedInOperatingActivitiesAbstract
121 Operating profit Concept (Monetary) For Period Credit ifrs-full:ProfitLossBeforeTax
122 Adjustments for non-cash items in operating profit Abstract ifrs-full:AdjustmentsForReconcileProfitLossAbstract
123 Provision for credit losses, net Concept (Monetary) For Period Debit sek:AdjustmentsForImpairmentLossReversalOfImpairmentLossFinancialAssets
124 Depreciation and impairment of non-financial assets Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForDepreciationAndAmortisationExpenseAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss
125 Exchange-rate differences Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForUnrealisedForeignExchangeLossesGains
126 Unrealized changes in fair value Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForFairValueGainsLosses
127 Other Concept (Monetary) For Period Debit ifrs-full:OtherAdjustmentsToReconcileProfitLoss
128 Total adjustments for non-cash items in operating profit Concept (Monetary) For Period Debit ifrs-full:AdjustmentsToReconcileProfitLossOtherThanChangesInWorkingCapital
129 Income tax paid Concept (Monetary) For Period Credit ifrs-full:IncomeTaxesPaidClassifiedAsOperatingActivities
130 Increase (-)/decrease (+) in lending Concept (Monetary) For Period Debit sek:AdjustmentsForDecreaseIncreaseInLoansDisbursements
131 Increase (-)/decrease (+) in bonds and securities held Concept (Monetary) For Period Debit sek:AdjustmentsForDecreaseIncreaseInChangeInBondsAndSecuritiesHeld
132 Other changes in assets and liabilities - net Concept (Monetary) For Period Debit sek:AdjustmentsForDecreaseIncreaseInOtherAssetsAndLiabilities
133 Cash flow from operating activities Concept (Monetary) For Period ifrs-full:CashFlowsFromUsedInOperatingActivities
134 Investing activities Abstract ifrs-full:CashFlowsFromUsedInInvestingActivitiesAbstract
135 Investments Concept (Monetary) For Period Credit ifrs-full:PurchaseOfPropertyPlantAndEquipmentIntangibleAssetsOtherThanGoodwillInvestmentPropertyAndOtherNoncurrentAssets
136 Cash flow from investing activities Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromUsedInInvestingActivities
137 Financing activities Abstract ifrs-full:CashFlowsFromUsedInFinancingActivitiesAbstract
138 Senior debt Concept (Monetary) For Period Debit ifrs-full:ProceedsFromBorrowingsClassifiedAsFinancingActivities
139 Repayments of debt Concept (Monetary) For Period Credit ifrs-full:RepaymentsOfBorrowingsClassifiedAsFinancingActivities
140 Repurchase and early redemption of own long-term debt Concept (Monetary) For Period Credit sek:PaymentsForRepurchaseAndEarlyRedemptionOfOwnNonCurrentBorrowing
141 Change in subordinated debt Concept (Monetary) For Period Debit sek:CashFlowsFromUsedInChangeInSubordinatedDebt
142 Derivatives Concept (Monetary) For Period Debit sek:CashFlowsFromDerivativesFormOfDebt
143 Dividend paid Concept (Monetary) For Period Credit ifrs-full:DividendsPaidClassifiedAsFinancingActivities
144 Cash flow from financing activities Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromUsedInFinancingActivities
145 Net cash flow for the period Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges
146 Cash and cash equivalents at beginning of the year Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
147 Exchange-rate differences on cash and cash equivalents Concept (Monetary) For Period Debit ifrs-full:EffectOfExchangeRateChangesOnCashAndCashEquivalents
148 Cash and cash equivalents at end of the year Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
149 Cash and cash equivalents of which cash at banks Concept (Monetary) As Of Debit ifrs-full:BalancesWithBanks
150 Cash and cash equivalents of which cash equivalents Concept (Monetary) As Of Debit ifrs-full:CashEquivalents
151 Interest payments received and expenses paid Abstract sek:InterestPaymentsReceivedAndExpensesPaidAbstract
152 Interest payments received Concept (Monetary) For Period Debit ifrs-full:InterestReceivedClassifiedAsOperatingActivities
153 Interest expenses paid Concept (Monetary) For Period Credit ifrs-full:InterestPaidClassifiedAsOperatingActivities
154 10101 - Disclosure - Significant accounting policies Network

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155 Implied Table Table

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156 Significant accounting policies Abstract sek:SignificantAccountingPoliciesAbstract
157 Significant accounting policies Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfSummaryOfSignificantAccountingPoliciesExplanatory
158 10201 - Disclosure - Net interest income Network

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159 Implied Table Table

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160 Net interest income Abstract ifrs-full:RevenueAbstract
161 Net interest income Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfInterestIncomeExpenseExplanatory
162 10301 - Disclosure - Net fee and commissions expense Network

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163 Implied Table Table

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164 Net fee and commissions expense Abstract ifrs-full:FeeAndCommissionIncomeExpenseAbstract
165 Net fee and commissions expense Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFeeAndCommissionIncomeExpenseExplanatory
166 10401 - Disclosure - Net results of financial transactions Network

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167 Implied Table Table

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168 Net results of financial transactions Abstract ifrs-full:GainsLossesOnFinancialInstrumentsAbstract
169 Net results of financial transactions Concept (Text Block (HTML)) For Period sek:NetResultsOfFinancialTransactionsTextBlock
170 10501 - Disclosure - Personnel expenses Network

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 http://www.sek.se/role/DisclosurePersonnelExpenses
171 Implied Table Table

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172 Personnel expense Abstract sek:PersonnelExpensesAbstract
173 Personnel expenses Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfEmployeeBenefitsExplanatory
174 10601 - Disclosure - Other administrative expenses Network

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175 Implied Table Table

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176 Other administrative expenses Abstract sek:OtherAdministrativeExpensesAbstract
177 Other administrative expenses Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfGeneralAndAdministrativeExpenseExplanatory
178 10701 - Disclosure - Tangible and intangible assets Network

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179 Implied Table Table

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180 Tangible and intangible assets Abstract sek:DisclosureOfTangibleAndIntangibleAssetsAbstract
181 Tangible and intangible assets Concept (Text Block (HTML)) For Period sek:DisclosureOfTangibleAndIntangibleAssetsTextBlock
182 10801 - Disclosure - Leasing Network

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183 Implied Table Table

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184 Leasing Abstract ifrs-full:DisclosureOfFinanceLeaseAndOperatingLeaseByLessorAbstract
185 Leasing Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfLeasesExplanatory
186 10901 - Disclosure - Impairments Network

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187 Implied Table Table

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188 Impairments Abstract ifrs-full:DisclosureOfFinancialAssetsThatAreEitherPastDueOrImpairedAbstract
189 Impairments Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfImpairmentOfAssetsExplanatory
190 11001 - Disclosure - Taxes Network

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191 Implied Table Table

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192 Taxes Abstract ifrs-full:MajorComponentsOfTaxExpenseIncomeAbstract
193 Taxes Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfIncomeTaxExplanatory
194 11101 - Disclosure - Loans and liquidity investments Network

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195 Implied Table Table

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196 Loans and liquidity investments. Abstract sek:LoansAndLiquidityPlacementsAbstract
197 Loans and liquidity investments Concept (Text Block (HTML)) For Period sek:LoansAndLiquidityPlacementsTextBlock
198 11201 - Disclosure - Classification of financial assets and liabilities Network

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199 Implied Table Table

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200 Classification of financial assets and liabilities Abstract ifrs-full:SubclassificationsOfAssetsLiabilitiesAndEquitiesAbstract
201 Classification of financial assets and liabilities Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFinancialInstrumentsExplanatory
202 11301 - Disclosure - Financial assets and liabilities at fair value Network

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203 Implied Table Table

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204 Financial assets and liabilities at fair value Abstract ifrs-full:DisclosureOfFinancialInstrumentsAbstract
205 Financial assets and liabilities at fair value Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFairValueMeasurementExplanatory
206 11401 - Disclosure - Derivatives and hedge accounting Network

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207 Implied Table Table

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208 Derivatives and hedge accounting Abstract ifrs-full:DisclosureOfDetailedInformationAboutHedgingInstrumentsAbstract
209 Derivatives and hedge accounting Concept (Text Block (HTML)) For Period sek:DisclosureOfDerivativeFinancialInstrumentsAndHedgeAccountingTextBlock
210 11501 - Disclosure - Shares Network

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211 Implied Table Table

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212 Shares Abstract ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesAbstract
213 Shares Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesExplanatory
214 11601 - Disclosure - Other assets Network

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215 Implied Table Table

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216 Other assets. Abstract sek:OtherAssetAbstract
217 Other assets Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfOtherAssetsExplanatory
218 11701 - Disclosure - Prepaid expenses and accrued revenues Network

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219 Implied Table Table

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220 Prepaid expenses and accrued revenues Abstract ifrs-full:PrepaymentsAndAccruedIncomeAbstract
221 Prepaid expenses and accrued revenues Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfPrepaymentsAndOtherAssetsExplanatory
222 11801 - Disclosure - Debt Network

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223 Implied Table Table

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224 Debt Abstract ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsAbstract
225 Debt Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfBorrowingsExplanatory
226 11901 - Disclosure - Other liabilities Network

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227 Implied Table Table

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228 Other liabilities Abstract ifrs-full:MiscellaneousLiabilitiesAbstract
229 Other liabilities Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfOtherLiabilitiesExplanatory
230 12001 - Disclosure - Accrued expenses and prepaid revenues Network

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231 Implied Table Table

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232 Accrued expenses and prepaid revenues. Abstract sek:AccruedExpensesAndPrepaidRevenuesAbstract
233 Accrued expenses and prepaid revenues Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfAccruedExpensesAndOtherLiabilitiesExplanatory
234 12101 - Disclosure - Provisions Network

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235 Implied Table Table

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236 Provisions Abstract ifrs-full:ProvisionsAbstract
237 Provisions Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfProvisionsExplanatory
238 12201 - Disclosure - Subordinated debt securities Network

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239 Implied Table Table

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240 Subordinated debt securities Abstract sek:SubordinatedDebtSecuritiesAbstract
241 Subordinated debt securities Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfSubordinatedLiabilitiesExplanatory
242 12301 - Disclosure - Equity Network

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243 Implied Table Table

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244 Equity Abstract ifrs-full:EquityAbstract
245 Equity Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory
246 12401 - Disclosure - Pledged assets and contingent liabilities Network

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247 Implied Table Table

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248 Pledged assets and contingent liabilities Abstract sek:PledgedAssetsAndContingentLiabilitiesAbstract
249 Pledged assets and contingent liabilities Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfOtherProvisionsContingentLiabilitiesAndContingentAssetsExplanatory
250 12501 - Disclosure - CIRR-system Network

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251 Implied Table Table

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252 CIRR-system Abstract sek:DisclosureOfSSystemAbstract
253 CIRR-system Concept (Text Block (HTML)) For Period sek:DisclosureOfSSystemTextBlock
254 12601 - Disclosure - Capital adequacy Network

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255 Implied Table Table

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256 Capital adequacy. Abstract sek:DisclosureOfRegulatoryCapitalRequirementsUnderBankingRegulationsAbstract
257 Capital adequacy Concept (Text Block (HTML)) For Period sek:DisclosureOfCapitalAdequacyTextBlock
258 12701 - Disclosure - Risk information Network

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259 Implied Table Table

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261 Risk information Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsExplanatory
262 12801 - Disclosure - Transactions with related parties Network

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263 Implied Table Table

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265 Transactions with related parties Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfRelatedPartyExplanatory
266 12901 - Disclosure - Events after the reporting period Network

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267 Implied Table Table

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268 Events after the reporting period Abstract ifrs-full:DisclosureOfNonadjustingEventsAfterReportingPeriodAbstract
269 Events after the reporting period Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfEventsAfterReportingPeriodExplanatory
270 13001 - Disclosure - Risk and capital management Network

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271 Implied Table Table

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273 Risk and capital management Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFinancialRiskManagementExplanatory
274 20102 - Disclosure - Significant accounting policies (Policies) Network

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275 Implied Table Table

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276 Significant accounting policies Abstract sek:SignificantAccountingPoliciesAbstract
277 Basis of presentation Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory
278 Changes to accounting policies and presentation Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfChangesInAccountingPoliciesAccountingEstimatesAndErrorsExplanatory
279 Basis of consolidation Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfBasisOfConsolidationExplanatory
280 Segment reporting Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForSegmentReportingExplanatory
281 Recognition of operating income Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForRecognitionOfRevenue
282 Foreign currency transactions Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory
283 Financial instruments Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForFinancialInstrumentsExplanatory
284 Tangible assets Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory
285 Intangible assets Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForIntangibleAssetsAndGoodwillExplanatory
286 Employee benefits Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForEmployeeBenefitsExplanatory
287 Equity Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForIssuedCapitalExplanatory
288 Taxes Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForIncomeTaxExplanatory
289 Earnings per share Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForEarningsPerShareExplanatory
290 Statement of cash flows Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForCashFlowsExplanatory
291 Critical accounting policies, assumptions and estimates Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfAccountingJudgementsAndEstimatesExplanatory
292 New standards and amendments to standards and interpretations not yet adopted Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfExpectedImpactOfInitialApplicationOfNewStandardsOrInterpretations
293 30103 - Disclosure - Significant accounting policies (Tables) Network

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294 Implied Table Table

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295 Significant accounting policies Abstract sek:SignificantAccountingPoliciesAbstract
296 Explanation of initial application of IFRS 9 Concept (Text Block (HTML)) For Period sek:ExplanationOfInitialApplicationOfIfrs9TableTextBlock
297 Summary effect of IFRS 9 on reserves and retained earnings Concept (Text Block (HTML)) For Period sek:EffectOnReservesAndRetainedEarningsAdoptionOfIfrs9TableTextBlock
298 Schedule of reconciliation of the closing balance for accumulated impairments under IAS 39 and the opening balance for accumulated impairments under IFRS 9 Concept (Text Block (HTML)) For Period ifrs-full:ExplanationOfInitialApplicationOfImpairmentRequirementsForFinancialInstrumentsExplanatory
299 30203 - Disclosure - Net interest income (Tables) Network

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 http://www.sek.se/role/DisclosureNetInterestIncomeTables
300 Implied Table Table

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301 Net interest income Abstract ifrs-full:RevenueAbstract
302 Schedule of net interest income Concept (Text Block (HTML)) For Period sek:DisclosureOfNetInterestRevenuesTableTextBlock
303 Schedule of interest income by geographical areas Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfGeographicalAreasExplanatory
304 Schedule of interest income by product group Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfProductsAndServicesExplanatory
305 30303 - Disclosure - Net fee and commissions expense (Tables) Network

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306 Implied Table Table

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307 Net fee and commissions expense Abstract ifrs-full:FeeAndCommissionIncomeExpenseAbstract
308 Schedule of fees and commissions expenses Concept (Text Block (HTML)) For Period sek:DisclosureOfFeesAndCommissionExpensesTableTextBlock
309 30403 - Disclosure - Net results of financial transactions (Tables) Network

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310 Implied Table Table

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311 Net results of financial transactions Abstract ifrs-full:GainsLossesOnFinancialInstrumentsAbstract
312 Schedule of net results of financial transactions Concept (Text Block (HTML)) For Period sek:DisclosureOfNetResultsOfFinancialTransactionsTableTextBlock
313 30503 - Disclosure - Personnel expenses - (Tables) Network

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314 Implied Table Table

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315 Personnel expense Abstract sek:PersonnelExpensesAbstract
316 Summary of total personnel expenses Concept (Text Block (HTML)) For Period sek:DisclosureOfTotalPersonnelExpensesTableTextBlock
317 Summary of remuneration and other benefits to Board of Directors and Senior Executives Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfInformationAboutKeyManagementPersonnelExplanatory
318 Summary of information about pension plans Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDefinedBenefitPlansExplanatory
319 Summary of development of defined benefit obligations and assets Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfNetDefinedBenefitLiabilityAssetExplanatory
320 Summary of plan assets Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFairValueOfPlanAssetsExplanatory
321 Summary of principal actuarial assumptions used end of year Concept (Text Block (HTML)) For Period sek:DisclosureOfPrincipalActuarialAssumptionsTableTextBlock
322 Summary of sensitivity analysis of essential assumptions Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfSensitivityAnalysisForActuarialAssumptionsExplanatory
323 Summary of net reconciliation of pension liabilities Concept (Text Block (HTML)) For Period sek:DisclosureOfNetReconciliationOfPensionLiabilitiesTableTextBlock
324 Summary of information about employees Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfInformationAboutEmployeesExplanatory
325 30603 - Disclosure - Other administrative expenses (Tables) Network

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326 Implied Table Table

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327 Other administrative expenses Abstract sek:OtherAdministrativeExpensesAbstract
328 Schedule of other administrative expenses Concept (Text Block (HTML)) For Period sek:DisclosureOfOtherAdministrativeExpensesTableTextBlock
329 Schedule of operating leases Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFinanceLeaseAndOperatingLeaseByLesseeExplanatory
330 Schedule of remuneration to auditors Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfAuditorsRemunerationExplanatory
331 30703 - Disclosure - Tangible and intangible assets (Tables) Network

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332 Implied Table Table

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333 Tangible and intangible assets Abstract sek:DisclosureOfTangibleAndIntangibleAssetsAbstract
334 Schedule of reconciliation of changes in tangible and intangible assets. Concept (Text Block (HTML)) For Period sek:DisclosureOfReconciliationOfChangesInTangibleAndIntangibleAssetsTableTextBlock
335 30803 - Disclosure - Leasing (Tables) Network

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 http://www.sek.se/role/DisclosureLeasingTables
336 Implied Table Table

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337 Leasing Abstract ifrs-full:DisclosureOfFinanceLeaseAndOperatingLeaseByLessorAbstract
338 Schedule of reconciliation between gross investment and present value of minimum lease payments Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFinanceLeaseAndOperatingLeaseByLessorExplanatory
339 30903 - Disclosure - Impairments (Tables) Network

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340 Implied Table Table

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341 Impairments Abstract ifrs-full:DisclosureOfFinancialAssetsThatAreEitherPastDueOrImpairedAbstract
342 Schedule of impairment Concept (Text Block (HTML)) For Period sek:DisclosureOfImpairmentTableTextBlock
343 Schedule of balances and reconciliation of changes in balances and loss allowances by stages Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsExplanatory
344 Summary of loan credit quality, before expected credit losses, allocated by stage Concept (Text Block (HTML)) For Period sek:DisclosureOfLoanCreditQualityTableTextBlock
345 Schedule of past due receivables Concept (Text Block (HTML)) For Period sek:DisclosureOfPastDueReceivableTableTextBlock
346 31003 - Disclosure - Taxes (Tables) Network

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 http://www.sek.se/role/DisclosureTaxesTables
347 Implied Table Table

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348 Taxes Abstract ifrs-full:MajorComponentsOfTaxExpenseIncomeAbstract
349 Schedule of components of income taxes Concept (Text Block (HTML)) For Period sek:DisclosureOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock
350 Schedule of income tax related to other comprehensive income Concept (Text Block (HTML)) For Period sek:IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeTableTextBlock
351 Schedule of reconciliation of effective tax rate Concept (Text Block (HTML)) For Period sek:DisclosureOfEffectiveIncomeTaxRateReconciliationTableTextBlock
352 Schedule of deferred taxes Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory
353 Schedule of changes in deferred taxes Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDeferredTaxesExplanatory
354 31103 - Disclosure - Loans and liquidity investments (Tables) Network

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 http://www.sek.se/role/DisclosureLoansAndLiquidityInvestmentsTables
355 Implied Table Table

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356 Loans and liquidity investments. Abstract sek:LoansAndLiquidityPlacementsAbstract
357 Schedule of loans and liquidity investments Concept (Text Block (HTML)) For Period sek:ScheduleOfLoansAndLiquidityPlacementsTableTextBlock
358 Schedule of difference between book value amount and amount contractually required to be paid at maturity for interest-bearing securities not carried at fair value Concept (Text Block (HTML)) For Period sek:DisclosureOfDifferenceBetweenBookValueAndContractualMaturityAmountToBePaidForInterestBearingSecuritiesTableTextBlock
359 Schedule of volume development, lending Concept (Text Block (HTML)) For Period sek:ScheduleOfVolumeDevelopmentLendingTableTextBlock
360 Schedule of outstanding loans as per business area Concept (Text Block (HTML)) For Period sek:ScheduleOfOutstandingLoansAsPerProductTypeTableTextBlock
361 31203 - Disclosure - Classification of financial assets and liabilities (Tables) Network

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 http://www.sek.se/role/DisclosureClassificationOfFinancialAssetsAndLiabilitiesTables
362 Implied Table Table

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364 Schedule of financial assets by accounting category Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFinancialAssetsExplanatory
365 Schedule of financial liabilities by accounting category Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFinancialLiabilitiesExplanatory
366 31303 - Disclosure - Financial assets and liabilities at fair value (Tables) Network

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 http://www.sek.se/role/DisclosureFinancialAssetsAndLiabilitiesAtFairValueTables
367 Disclosure of detailed information about financial instruments [table] Table

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369 All levels of fair value hierarchy [member] Member ifrs-full:AllLevelsOfFairValueHierarchyMember
370 Level 3 Member ifrs-full:Level3OfFairValueHierarchyMember
371 Sub-classifications of financial information LineItems ifrs-full:DisclosureOfFinancialInstrumentsLineItems
372 Financial assets and liabilities at fair value Concept (Text Block (HTML)) For Period sek:DisclosureOfFairValueByBalanceSheetGroupingTableTextBlock
373 Schedule of fair value measurement of assets Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFairValueMeasurementOfAssetsExplanatory
374 Schedule of fair value measurement of liabilities Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFairValueMeasurementOfLiabilitiesExplanatory
375 Schedule of financial assets and liabilities at fair value Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFairValueOfFinancialInstrumentsExplanatory
376 Schedule of sensitivity analysis - level 3 Concept (Text Block (HTML)) For Period ifrs-full:SensitivityAnalysisForEachTypeOfMarketRisk
377 Schedule of fair value related to credit risk Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfCreditRiskExplanatory
378 31403 - Disclosure - Derivatives and hedge accounting (Tables) Network

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*

 http://www.sek.se/role/DisclosureDerivativesAndHedgeAccountingTables
379 Implied Table Table

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380 Derivatives and hedge accounting Abstract ifrs-full:DisclosureOfDetailedInformationAboutHedgingInstrumentsAbstract
381 Schedule of derivatives Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDetailedInformationAboutHedgingInstrumentsExplanatory
382 Schedule of carrying amount of hedge items in fair value hedge and its adjustments Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDetailedInformationAboutHedgedItemsExplanatory
383 Schedule of cash flow hedges reclassified to profit or loss Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfInformationAboutAmountsThatAffectedStatementOfComprehensiveIncomeAsResultOfHedgeAccountingExplanatory
384 Schedule of financial assets subject to offsetting, enforceable master netting arrangements and similar agreements Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfOffsettingOfFinancialAssetsExplanatory
385 Schedule of financial liabilities subject to offsetting, enforceable master netting arrangements and similar agreements Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfOffsettingOfFinancialLiabilitiesExplanatory
386 31503 - Disclosure - Shares (Tables) Network

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 http://www.sek.se/role/DisclosureSharesTables
387 Implied Table Table

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389 Schedule of shares in subsidiaries Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfInterestsInSubsidiariesExplanatory
390 31603 - Disclosure - Other assets (Tables) Network

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 http://www.sek.se/role/DisclosureOtherAssetsTables
391 Implied Table Table

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392 Other assets. Abstract sek:OtherAssetAbstract
393 Schedule of other assets Concept (Text Block (HTML)) For Period sek:DisclosureOfOtherAssetsTableTextBlock
394 31703 - Disclosure - Prepaid expenses and accrued revenues (Tables) Network

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 http://www.sek.se/role/DisclosurePrepaidExpensesAndAccruedRevenuesTables
395 Implied Table Table

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396 Prepaid expenses and accrued revenues Abstract ifrs-full:PrepaymentsAndAccruedIncomeAbstract
397 Schedule of prepaid expenses and accrued revenues Concept (Text Block (HTML)) For Period sek:DisclosureOfPrepaymentsAndAccruedRevenuesTableTextBlock
398 31803 - Disclosure - Debt (Tables) Network

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*

 http://www.sek.se/role/DisclosureDebtTables
399 Implied Table Table

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400 Debt Abstract ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsAbstract
401 Schedule of debt as per categories Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsExplanatory
402 Schedule of major borrowing programs Concept (Text Block (HTML)) For Period sek:DisclosureOfMajorBorrowingProgramsTableTextBlock
403 Schedule of liabilities in financing activities Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesExplanatory
404 31903 - Disclosure - Other liabilities (Tables) Network

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*

 http://www.sek.se/role/DisclosureOtherLiabilitiesTables
405 Implied Table Table

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406 Other liabilities Abstract ifrs-full:MiscellaneousLiabilitiesAbstract
407 Schedule of other liabilities Concept (Text Block (HTML)) For Period sek:DisclosureOfOtherLiabilitiesTableTextBlock
408 32003 - Disclosure - Accrued expenses and prepaid revenues (Tables) Network

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*

 http://www.sek.se/role/DisclosureAccruedExpensesAndPrepaidRevenuesTables
409 Implied Table Table

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410 Accrued expenses and prepaid revenues. Abstract sek:AccruedExpensesAndPrepaidRevenuesAbstract
411 Schedule of accrued expenses and prepaid revenues Concept (Text Block (HTML)) For Period sek:DisclosureOfAccruedExpensesAndPrepaidRevenuesTableTextBlock
412 32103 - Disclosure - Provisions (Tables) Network

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 http://www.sek.se/role/DisclosureProvisionsTables
413 Implied Table Table

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414 Provisions Abstract ifrs-full:ProvisionsAbstract
415 Schedule of provisions Concept (Text Block (HTML)) For Period sek:DisclosureOfProvisionsTableTextBlock
416 32203 - Disclosure - Subordinated debt securities (Tables) Network

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 http://www.sek.se/role/DisclosureSubordinatedDebtSecuritiesTables
417 Implied Table Table

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418 Subordinated debt securities Abstract sek:SubordinatedDebtSecuritiesAbstract
419 Schedule of subordinated debt securities Concept (Text Block (HTML)) For Period sek:IfrsScheduleOfSubordinatedBorrowingTextBlock
420 32303 - Disclosure - Equity (Tables) Network

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 http://www.sek.se/role/DisclosureEquityTables
421 Implied Table Table

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423 Schedule of components of equity Concept (Text Block (HTML)) For Period sek:DisclosureOfComponentsOfEquityTableTextBlock
424 Restricted and unrestricted equity Concept (Text Block (HTML)) For Period sek:DisclosureOfNonDistributableAndDistributableCapitalTableTextBlock
425 Proposal for the distribution of profits Concept (Text Block (HTML)) For Period sek:DisclosureOfProposalForDistributionOfProfitsTableTextBlock
426 32403 - Disclosure - Pledged assets and contingent liabilities (Tables) Network

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 http://www.sek.se/role/DisclosurePledgedAssetsAndContingentLiabilitiesTables
427 Implied Table Table

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 implied:Table
428 Pledged assets and contingent liabilities Abstract sek:PledgedAssetsAndContingentLiabilitiesAbstract
429 Schedule of pledged assets and contingent liabilities Concept (Text Block (HTML)) For Period sek:DisclosureOfPledgedAssetsAndContingentLiabilitiesTableTextBlock
430 32503 - Disclosure - CIRR-system (Tables) Network

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 http://www.sek.se/role/DisclosureCirrSystemTables
431 Implied Table Table

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432 CIRR-system Abstract sek:DisclosureOfSSystemAbstract
433 The disclosure of information about CIRR-systems. Concept (Text Block (HTML)) For Period sek:DisclosureOfSSystemTableTextBlock
434 32603 - Disclosure - Capital adequacy (Tables) Network

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 http://www.sek.se/role/DisclosureCapitalAdequacyTables
435 Implied Table Table

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436 Capital adequacy. Abstract sek:DisclosureOfRegulatoryCapitalRequirementsUnderBankingRegulationsAbstract
437 Schedule of capital adequacy Concept (Text Block (HTML)) For Period sek:DisclosureOfCapitalAdequacyTableTextBlock
438 Schedule of own funds Concept (Text Block (HTML)) For Period sek:DisclosureOfOwnFundsTableTextBlock
439 Schedule of minimum capital requirements exclusive of buffers Concept (Text Block (HTML)) For Period sek:MinimumCapitalRequirementsExclusiveOfBuffersTableTextBlock
440 Schedule of credit risk by PD grade Concept (Text Block (HTML)) For Period sek:DisclosureOfCreditRiskByProbabilityOfDefaultGradeTableTextBlock
441 Schedule of leverage ratio Concept (Text Block (HTML)) For Period sek:LeverageRatioTableTextBlock
442 Schedule of internally assessed economic capital excluding buffer Concept (Text Block (HTML)) For Period sek:InternallyAssessedEconomicCapitalExcludingBufferTableTextBlock
443 32703 - Disclosure - Risk information (Tables) Network

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 http://www.sek.se/role/DisclosureRiskInformationTables
444 Implied Table Table

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446 Schedule of credit risk exposure Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfCreditRiskExposureExplanatory
447 Schedule of credit quality Concept (Text Block (HTML)) For Period sek:DisclosureOfCreditQualityTableTextBlock
448 Schedule of impact of credit risk hedges Concept (Text Block (HTML)) For Period sek:DisclosureOfEffectOfCreditRiskMitigationTableTextBlock
449 Schedule of risk specific measures Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfMarketRiskExplanatory
450 Schedule of change in the market interest rate Concept (Text Block (HTML)) For Period sek:DisclosureOfChangeInMarketInterestRateTableTextBlock
451 Schedule of assets and liabilities denominated in foreign currency Concept (Text Block (HTML)) For Period sek:DisclosureOfAssetsAndLiabilitiesDenominatedInForeignCurrencyAreIncludedInTotalVolumesOfAssetsAndLiabilitiesTableTextBlock
452 Summary of liquidity reserve Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfLiquidityRiskExplanatory
453 Schedule of liquidity investments by remaining maturity Concept (Text Block (HTML)) For Period sek:DisclosureOfBorrowingProgramsForShorterMaturitiesTableTextBlock
454 Schedule of key figures for liquidity risk Concept (Text Block (HTML)) For Period sek:ScheduleOfKeyFiguresForLiquidityRiskTableTextBlock
455 Schedule of contractual flows Concept (Text Block (HTML)) For Period sek:DisclosureOfContractualCashFlowsTableTextBlock
456 32803 - Disclosure - Transactions with related parties (Tables) Network

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 http://www.sek.se/role/DisclosureTransactionsWithRelatedPartiesTables
457 Implied Table Table

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458 Transactions with related parties Abstract ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesAbstract
459 Schedule of consolidated Group's transactions with its related parties Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesExplanatory
460 33003 - Disclosure - Risk and capital management (Tables) Network

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461 Implied Table Table

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462 Risk and capital management Abstract sek:RiskAndCapitalManagementAbstract
463 Schedule of division of responsibility for risk, liquidity and capital management Concept (Text Block (HTML)) For Period sek:ScheduleOfRiskGovernanceDivisionOfResponsibility
464 Detailed risk statement Concept (Text Block (HTML)) For Period sek:RiskAndCapitalManagementOverviewOfRisksTableTextBlock
465 40101 - Disclosure - Significant accounting policies - Changes to accounting policies and presentation (Details) Network

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466 Implied Table Table

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469 40102 - Disclosure - Significant accounting policies - Effect of IFRS 9 on classification and measurement of SEK's financial assets and liabilities (Details) Network

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 http://www.sek.se/role/DisclosureSignificantAccountingPoliciesEffectOfIfrs9OnClassificationAndMeasurementOfSekSFinancialAssetsAndLiabilitiesDetails
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473 Cash and cash equivalents Member sek:CashAndCashEquivalentMember
474 Treasuries/government bonds Member sek:TreasuriesAndGovernmentsBondsMember
475 Other interest-bearing securities except loans Member sek:OtherInterestBearingSecuritiesExceptLoansMember
476 Loans in the form of interest-bearing securities Member sek:LoansInFormOfInterestBearingSecuritiesMember
477 Loans to credit institutions Member sek:LoansAndAdvancesToBanksMember
478 Loans to the public Member ifrs-full:CorporateLoansMember
479 Derivatives Member ifrs-full:DerivativesMember
480 Classes of financial liabilities [axis] Axis ifrs-full:ClassesOfFinancialLiabilitiesAxis
481 Financial liabilities, class [member] Member ifrs-full:FinancialLiabilitiesMember
482 Borrowings from credit institutions Member sek:BorrowingsFromCreditInstitutionsMember
483 Borrowing from the public Member sek:BorrowingFromPublicMember
484 Debt securities issued Member sek:SeniorSecuritiesIssuedMember
485 Derivatives Member ifrs-full:DerivativesMember
486 Subordinated securities issued Member sek:SubordinatedSecuritiesIssuedMember
487 Provisions Member sek:ProvisionsMember
488 Categories of financial assets [axis] Axis ifrs-full:CategoriesOfFinancialAssetsAxis
489 Financial assets, category [member] Member ifrs-full:FinancialAssetsCategoryMember
490 Loans and receivable Member ifrs-full:LoansAndReceivablesCategoryMember
491 Available-for-sale assets Member ifrs-full:FinancialAssetsAvailableforsaleCategoryMember
492 Assets at fair value through profit or loss (FVO) Member ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossDesignatedUponInitialRecognitionCategoryMember
493 Assets at fair value through profit or loss Member ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossClassifiedAsHeldForTradingCategoryMember
494 Financial assets at fair value through profit or loss Member ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember
495 Financial assets at fair value through profit or loss. Member ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossMandatorilyMeasuredAtFairValueCategoryMember
496 Financial assets at amortized cost Member ifrs-full:FinancialAssetsAtAmortisedCostCategoryMember
497 Categories of financial liabilities [axis] Axis ifrs-full:CategoriesOfFinancialLiabilitiesAxis
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499 Financial liabilities at amortized cost / Other financial liabilities Member ifrs-full:FinancialLiabilitiesAtAmortisedCostCategoryMember
500 Financial liabilities at fair value through profit or loss (FVO) Member ifrs-full:FinancialLiabilitiesAtFairValueThroughProfitOrLossDesignatedUponInitialRecognitionCategoryMember
501 Financial liabilities at fair value through profit or loss. Member ifrs-full:FinancialLiabilitiesAtFairValueThroughProfitOrLossThatMeetDefinitionOfHeldForTradingCategoryMember
502 Financial liabilities at fair value through profit or loss Member ifrs-full:FinancialLiabilitiesAtFairValueThroughProfitOrLossCategoryMember
503 Classification and measurement of financial instruments LineItems sek:ClassificationAndMeasurementOfFinancialInstrumentsLineItems
504 Carrying amount under IAS 39, assets Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsCarryingAmountImmediatelyBeforeInitialApplicationOfIFRS9
505 Reclassification, assets Concept (Monetary) As Of Debit ifrs-full:IncreaseDecreaseInFinancialAssetsOnBasisOfMeasurementCategoryFirstApplicationOfIFRS9
506 ECL, assets Concept (Monetary) As Of Debit ifrs-full:IncreaseDecreaseInFinancialAssetsArisingFromChangeInMeasurementAttributeFirstApplicationOfIFRS9
507 Carrying amount under IFRS 9, assets Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsCarryingAmountImmediatelyAfterInitialApplicationOfIFRS9
508 Carrying amount under IAS 39, liabilities Concept (Monetary) As Of Credit ifrs-full:FinancialLiabilitiesCarryingAmountImmediatelyBeforeInitialApplicationOfIFRS9
509 ECL, liabilities Concept (Monetary) As Of Credit ifrs-full:IncreaseDecreaseInFinancialLiabilitiesArisingFromChangeInMeasurementAttributeFirstApplicationOfIFRS9
510 Carrying amount under IFRS 9, liabilities Concept (Monetary) As Of Credit ifrs-full:FinancialLiabilitiesCarryingAmountImmediatelyAfterInitialApplicationOfIFRS9
511 40103 - Disclosure - Significant accounting policies - Effect of IFRS 9 on reserves and retained earnings (Details) Network

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 http://www.sek.se/role/DisclosureSignificantAccountingPoliciesEffectOfIfrs9OnReservesAndRetainedEarningsDetails
512 Disclosure of initial application of standards or interpretations [table] Table

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 ifrs-full:DisclosureOfInitialApplicationOfStandardsOrInterpretationsTable
513 Components of equity [axis] Axis ifrs-full:ComponentsOfEquityAxis
514 Equity [member] Member ifrs-full:EquityMember
515 Own Credit risk Member ifrs-full:ReserveOfChangeInFairValueOfFinancialLiabilityAttributableToChangeInCreditRiskOfLiabilityMember
516 Fair value reserve Member ifrs-full:ReserveOfGainsAndLossesOnRemeasuringAvailableforsaleFinancialAssetsMember
517 Retained earnings Member ifrs-full:RetainedEarningsMember
518 Initially applied IFRSs [axis] Axis ifrs-full:InitiallyAppliedIFRSsAxis
519 Initially applied IFRSs [member] Member ifrs-full:InitiallyAppliedIFRSsMember
520 Increase (decrease) due to transfer of value changes in credit risk Member sek:IncreaseDecreaseDueToTransferOfValueChangesInCreditRiskMember
521 Increase (decrease) due to reclassification of instruments from AFS to FVTPL Member sek:IncreaseDecreaseDueToReclassificationOfInstrumentsFromAfsToFvtplMember
522 Increase (decrease) due to effect of IFRS 9 - ECL Member sek:IncreaseDecreaseDueToEffectOfIfrs9EclMember
523 Increase (decrease) due to tax impact Member sek:IncreaseDecreaseDueToTaxImpactMember
524 Opening balance under IFRS 9 Member sek:OpeningBalanceUnderIfrs9Member
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526 Equity Concept (Monetary) As Of Credit ifrs-full:Equity
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528 40104 - Disclosure - Significant accounting policies - Reconciliation of the closing balance for accumulated impairments under IAS 39 and the opening balance for accumulated impairments under IFRS 9 (Details) Network

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 http://www.sek.se/role/DisclosureSignificantAccountingPoliciesReconciliationOfClosingBalanceForAccumulatedImpairmentsUnderIas39AndOpeningBalanceForAccumulatedImpairmentsUnderIfrs9Details
529 Disclosure of initial application of standards or interpretations [table] Table

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 ifrs-full:DisclosureOfInitialApplicationOfStandardsOrInterpretationsTable
530 Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Axis ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
531 Carrying amount [member] Member ifrs-full:CarryingAmountMember
532 Accumulated impairment Member ifrs-full:AccumulatedImpairmentMember
533 Initially applied IFRSs [axis] Axis ifrs-full:InitiallyAppliedIFRSsAxis
534 Initially applied IFRSs [member] Member ifrs-full:InitiallyAppliedIFRSsMember
535 Increase (decrease) due to revaluation Member sek:IncreaseDecreaseDueToRevaluationMember
536 Opening balance under IFRS 9 Member sek:OpeningBalanceUnderIfrs9Member
537 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
538 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
539 Financial assets Member ifrs-full:FinancialAssetsMember
540 Contingent liabilities and commitments Member sek:ContingentLiabilitiesAndCommitmentsMember
541 Categories of financial assets [axis] Axis ifrs-full:CategoriesOfFinancialAssetsAxis
542 Financial assets, category [member] Member ifrs-full:FinancialAssetsCategoryMember
543 Loans and receivable Member ifrs-full:LoansAndReceivablesCategoryMember
544 Financial assets at amortized cost Member ifrs-full:FinancialAssetsAtAmortisedCostCategoryMember
545 Disclosure of initial application of standards or interpretations LineItems ifrs-full:DisclosureOfInitialApplicationOfStandardsOrInterpretationsLineItems
546 Accumulated impairment Concept (Monetary) As Of Debit sek:LoansAndOffbalance
547 40105 - Disclosure - Significant accounting policies - Segment reporting (Details) Network

*

*

 http://www.sek.se/role/DisclosureSignificantAccountingPoliciesSegmentReportingDetails
548 Implied Table Table

*

*

 implied:Table
549 Significant accounting policies Abstract sek:SignificantAccountingPoliciesAbstract
550 Number of reportable segments Concept (Integer) For Period sek:IfrsNumberOfReportableSegments
551 40106 - Disclosure - Significant accounting policies - Financial instruments (Details) Network

*

*

 http://www.sek.se/role/DisclosureSignificantAccountingPoliciesFinancialInstrumentsDetails
552 Implied Table Table

*

*

 implied:Table
553 Significant accounting policies Abstract sek:SignificantAccountingPoliciesAbstract
554 Minimum difference between original and new remaining cash flows for terms to be deemed substantially different Concept (Percent) For Period sek:MinimumDifferenceBetweenOriginalAndNewRemainingCashFlowsForTermsToBeDeemedSubstantiallyDifferent
555 Number of scenarios prepared for each PD curve Concept (Integer) For Period sek:NumberOfScenariosPreparedForEachPdCurve
556 Number of credit conversion factors Concept (Integer) For Period sek:NumberOfCreditConversionFactors
557 40107 - Disclosure - Significant accounting policies - Taxes (Details) Network

*

*

 http://www.sek.se/role/DisclosureSignificantAccountingPoliciesTaxesDetails
558 Implied Table Table

*

*

 implied:Table
559 Significant accounting policies Abstract sek:SignificantAccountingPoliciesAbstract
560 Expected tax rate for calculation of deferred tax Concept (Percent) For Period ifrs-full:ApplicableTaxRate
561 40108 - Disclosure - Significant accounting policies - Fair value measurement (Details) Network

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*

 http://www.sek.se/role/DisclosureSignificantAccountingPoliciesFairValueMeasurementDetails
562 Disclosure of fair value measurement of assets [table] Table

*

*

 ifrs-full:DisclosureOfFairValueMeasurementOfAssetsTable
563 Measurement [axis] Axis ifrs-full:MeasurementAxis
564 Aggregated measurement [member] Member ifrs-full:AggregatedMeasurementMember
565 Fair value Member ifrs-full:AtFairValueMember
566 Levels of fair value hierarchy [axis] Axis ifrs-full:LevelsOfFairValueHierarchyAxis
567 All levels of fair value hierarchy [member] Member ifrs-full:AllLevelsOfFairValueHierarchyMember
568 Level 2 Member ifrs-full:Level2OfFairValueHierarchyMember
569 Level 3 Member ifrs-full:Level3OfFairValueHierarchyMember
570 Range [axis] Axis ifrs-full:RangeAxis
571 Ranges [member] Member ifrs-full:RangesMember
572 Maximum Member ifrs-full:TopOfRangeMember
573 Minimum Member ifrs-full:BottomOfRangeMember
574 Disclosure of fair value measurement of assets LineItems ifrs-full:DisclosureOfFairValueMeasurementOfAssetsLineItems
575 Financial assets at fair value Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValue
576 Financial liabilities at fair value Concept (Monetary) As Of Credit ifrs-full:FinancialLiabilitiesAtFairValue
577 Percentage of total financial assets Concept (Percent) As Of sek:PercentageOfTotalFinancialAssets
578 Percentage of total financial liabilities Concept (Percent) As Of sek:PercentageOfTotalFinancialLiabilities
579 Effect of changing the non-observable parameters Concept (Monetary) For Period Credit sek:IncreaseDecreaseInTotalComprehensiveIncomeResultingFromSensitivityAnalysis
580 40109 - Disclosure - Significant accounting policies - Provisions for probable credit losses (Details) Network

*

*

 http://www.sek.se/role/DisclosureSignificantAccountingPoliciesProvisionsForProbableCreditLossesDetails
581 Risk concentration [Table] Table

*

*

 sek:RiskConcentrationTable
582 Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Axis ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
583 Carrying amount [member] Member ifrs-full:CarryingAmountMember
584 Gross carrying amount Member ifrs-full:GrossCarryingAmountMember
585 Accumulated impairment Member ifrs-full:AccumulatedImpairmentMember
586 Impairment of financial assets [axis] Axis ifrs-full:ImpairmentOfFinancialAssetsAxis
587 Entity's total for impairment of financial assets [member] Member ifrs-full:EntitysTotalForImpairmentOfFinancialAssetsMember
588 Individual reserve Member ifrs-full:FinancialAssetsIndividuallyAssessedForCreditLossesMember
589 Sensitivity analysis LineItems sek:RiskConcentrationLineItems
590 Decrease in number of steps of deterioration for sensitivity analysis Concept (Integer) As Of sek:DecreaseInNumberOfStepsOfDeteriorationForSensitivityAnalysis
591 Increase (decrease) in impairment of financial instruments if significant increase in credit risk had been one step of deterioration less Concept (Monetary) As Of Credit sek:IncreaseDecreaseInImpairmentOfFinancialInstrumentsIfSignificantIncreaseInCreditRiskHadBeenOneStepOfDeteriorationLess
592 Increase in number of steps of deterioration for sensitivity analysis Concept (Integer) As Of sek:IncreaseInNumberOfStepsOfDeteriorationForSensitivityAnalysis
593 Increase (decrease) in impairment of financial instruments if significant increase in credit risk had been one step of deterioration more Concept (Monetary) As Of Credit sek:IncreaseDecreaseInImpairmentOfFinancialInstrumentsIfSignificantIncreaseInCreditRiskHadBeenOneStepOfDeteriorationMore
594 Number of scenarios prepared for each PD curve Concept (Integer) For Period sek:NumberOfScenariosPreparedForEachPdCurve
595 Weight of downturn scenario for sensitivity analysis Concept (Percent) As Of sek:WeightOfDownturnScenarioForSensitivityAnalysis
596 Increase (decrease) in impairment of financial instruments if downturn scenario weighted 100 percent Concept (Monetary) As Of Credit sek:IncreaseDecreaseInImpairmentOfFinancialInstrumentsIfDownturnScenarioWeighted100Percent
597 Weight of upturn scenario for sensitivity analysis Concept (Percent) As Of sek:WeightOfUpturnScenarioForSensitivityAnalysis
598 Increase (decrease) in impairment of financial instruments if upturn scenario weighted 100 percent Concept (Monetary) As Of Credit sek:IncreaseDecreaseInImpairmentOfFinancialInstrumentsIfUpturnScenarioWeighted100Percent
599 Total loans Concept (Monetary) As Of Debit sek:Lending
600 Increase in future cash flows for sensitivity analysis Concept (Percent) As Of sek:IncreaseInFutureCashFlowsForSensitivityAnalysis
601 Increase (decrease) in operating profit due to increase in future cash flows Concept (Monetary) For Period Credit sek:IncreaseDecreaseInOperatingProfitDueToIncreaseInFutureCashFlows
602 Increase (decrease) in equity due to increase in future cash flows Concept (Monetary) As Of Credit sek:IncreaseDecreaseInEquityDueToIncreaseInFutureCashFlows
603 Decrease in future cash flows for sensitivity analysis Concept (Percent) As Of sek:DecreaseInFutureCashFlowsForSensitivityAnalysis
604 Increase (decrease) in operating profit due to decrease in future cash flows Concept (Monetary) For Period Credit sek:IncreaseDecreaseInOperatingProfitDueToDecreaseInFutureCashFlows
605 Increase (decrease) in equity due to decrease in future cash flows Concept (Monetary) As Of Credit sek:IncreaseDecreaseInEquityDueToDecreaseInFutureCashFlows
606 40201 - Disclosure - Net interest income (Details) Network

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*

 http://www.sek.se/role/DisclosureNetInterestIncomeDetails
607 Net Interest Income [Table] Table

*

*

 sek:NetInterestIncomeTable
608 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
609 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
610 Loans to credit institutions Member sek:LoansAndAdvancesToBanksMember
611 Loans to the public Member ifrs-full:CorporateLoansMember
612 Loans in the form of interest-bearing securities Member sek:LoansInFormOfInterestBearingSecuritiesMember
613 Interest-bearing securities excluding loans in the form of interest-bearing securities Member sek:InterestBearingSecuritiesExcludingLoansInFormOfInterestBearingSecuritiesMember
614 Derivatives Member ifrs-full:DerivativesMember
615 Administrative remuneration CIRR-system Member sek:AdministrativeRemunerationCirrSystemMember
616 Other assets Member ifrs-full:OtherAssetsMember
617 Categories of financial assets [axis] Axis ifrs-full:CategoriesOfFinancialAssetsAxis
618 Financial assets, category [member] Member ifrs-full:FinancialAssetsCategoryMember
619 Available-for-sale assets Member ifrs-full:FinancialAssetsAvailableforsaleCategoryMember
620 Financial assets at fair value through profit or loss Member ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember
621 Derivatives used for hedge accounting, assets Member sek:DerivativesDesignatedAsHedgingInstrumentsAssetsMember
622 Financial assets at amortized cost Member ifrs-full:FinancialAssetsAtAmortisedCostCategoryMember
623 Categories of financial liabilities [axis] Axis ifrs-full:CategoriesOfFinancialLiabilitiesAxis
624 Financial liabilities, category [member] Member ifrs-full:FinancialLiabilitiesCategoryMember
625 Financial liabilities at fair value through profit or loss Member ifrs-full:FinancialLiabilitiesAtFairValueThroughProfitOrLossCategoryMember
626 Derivative used for hedge accounting, liabilities Member sek:DerivativesDesignatedAsHedgingInstrumentsLiabilitiesMember
627 Financial liabilities at amortized cost / Other financial liabilities Member ifrs-full:FinancialLiabilitiesAtAmortisedCostCategoryMember
628 Net interest income LineItems sek:NetInterestIncomeLineItems
629 Net interest income Abstract sek:NetInterestIncomeAbstract
630 Interest income were related to: Abstract sek:InterestIncomeWereRelatedTo
631 Interest income Concept (Monetary) For Period Credit ifrs-full:RevenueFromInterest
632 Administrative remuneration for concessionary loans Concept (Monetary) For Period Credit sek:AdministrativeRemunerationForConcessionaryLoans
633 Interest expenses Abstract ifrs-full:InterestCostsAbstract
634 Interest expenses excl. resolution fee Concept (Monetary) For Period Debit sek:InterestExpensesOtherThanResolutionFee
635 Resolution fee Concept (Monetary) For Period Debit sek:ResolutionFee
636 Total interest expenses Concept (Monetary) For Period Debit ifrs-full:InterestExpense
637 Net interest income Concept (Monetary) For Period Credit ifrs-full:InterestRevenueExpense
638 40202 - Disclosure - Net interest income - Geographical areas and product group (Details) Network

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*

 http://www.sek.se/role/DisclosureNetInterestIncomeGeographicalAreasAndProductGroupDetails
639 Disclosure of geographical areas [table] Table

*

*

 ifrs-full:DisclosureOfGeographicalAreasTable
640 Geographical areas [axis] Axis ifrs-full:GeographicalAreasAxis
641 Geographical areas [member] Member ifrs-full:GeographicalAreasMember
642 Sweden Member ifrs-full:CountryOfDomicileMember
643 European countries excl. Sweden Member sek:EuropeanCountriesExcludingSwedenMember
644 Countries outside of Europe Member sek:CountriesOutsideOfEuropeMember
645 Products and services [axis] Axis ifrs-full:ProductsAndServicesAxis
646 Products and services [member] Member ifrs-full:ProductsAndServicesMember
647 Lending to Swedish exporters Member sek:LendingToSwedishExportersMember
648 Lending to exporters' customers Member sek:LendingToExportersCustomersMember
649 Liquidity Member sek:LiquidityMember
650 Interest income details LineItems ifrs-full:DisclosureOfGeographicalAreasLineItems
651 Net interest income Abstract sek:NetInterestIncomeAbstract
652 Interest income Concept (Monetary) For Period Credit ifrs-full:RevenueFromInterest
653 Remuneration from the CIRR-system Concept (Monetary) For Period Credit sek:InterestIncomeRemunerationFromCirr
654 40301 - Disclosure - Net fee and commissions expense (Details) Network

*

*

 http://www.sek.se/role/DisclosureNetFeeAndCommissionsExpenseDetails
655 Implied Table Table

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 implied:Table
656 Net fee and commissions expense Abstract ifrs-full:FeeAndCommissionIncomeExpenseAbstract
657 Fee and commissions earned were related to: Abstract ifrs-full:FeeAndCommissionIncomeAbstract
658 Lending Concept (Monetary) For Period Credit sek:LendingFeeAndCommissionsEarned
659 Total fee and commissions earned Concept (Monetary) For Period Credit ifrs-full:FeeAndCommissionIncome
660 Commissions incurred were related to: Abstract ifrs-full:FeeAndCommissionExpenseAbstract
661 Depot and bank fees Concept (Monetary) For Period Debit ifrs-full:BankAndSimilarCharges
662 Brokerage Concept (Monetary) For Period Debit ifrs-full:BrokerageFeeExpense
663 Other commissions incurred Concept (Monetary) For Period Debit ifrs-full:OtherFeeAndCommissionExpense
664 Total fee and commission expenses Concept (Monetary) For Period Debit ifrs-full:FeeAndCommissionExpense
665 Net fee and commissions income (expense) Concept (Monetary) For Period Credit ifrs-full:FeeAndCommissionIncomeExpense
666 Commissions income (expense) on financial assets and liabilities not measured at fair value through profit or loss Concept (Monetary) For Period Credit ifrs-full:FeeIncomeExpenseArisingFromFinancialAssetsOrFinancialLiabilitiesNotAtFairValueThroughProfitOrLoss
667 40401 - Disclosure - Net results of financial transactions (Details) Network

*

*

 http://www.sek.se/role/DisclosureNetResultsOfFinancialTransactionsDetails
668 Disclosure of detailed information about financial instruments [table] Table

*

*

 ifrs-full:DisclosureOfFinancialInstrumentsTable
669 Categories of financial assets [axis] Axis ifrs-full:CategoriesOfFinancialAssetsAxis
670 Financial assets, category [member] Member ifrs-full:FinancialAssetsCategoryMember
671 Available-for-sale assets Member ifrs-full:FinancialAssetsAvailableforsaleCategoryMember
672 Financial assets at amortized cost Member ifrs-full:FinancialAssetsAtAmortisedCostCategoryMember
673 Categories of financial instruments [Axis] Axis sek:CategoriesOfFinancialInstrumentsAxis
674 Financial instruments, category [Domain] Member sek:FinancialInstrumentsCategoryDomain
675 Designated upon initial recognition (FVO) Member sek:FinancialInstrumentsAtFairValueThroughProfitOrLossDesignatedUponInitialRecognitionCategoryMember
676 Mandatorily measured at fair value Member sek:FinancialInstrumentsAtFairValueThroughProfitOrLossMandatorilyMeasuredAtFairValueCategoryMember
677 Types of hedges [axis] Axis ifrs-full:TypesOfHedgesAxis
678 Hedges [member] Member ifrs-full:TypesOfHedgesMember
679 Hedging instrument Member ifrs-full:HedgingInstrumentsMember
680 Hedged item Member ifrs-full:HedgedItemsMember
681 Net results of financial transactions LineItems ifrs-full:DisclosureOfFinancialInstrumentsLineItems
682 Derecognition of financial instruments not measured at fair value through profit or loss Concept (Monetary) For Period Credit sek:GainLossArisingFromDerecognitionOfFinancialInstrumentsNotMeasuredAtFairValueThroughProfitOrLoss
683 Financial assets or liabilities at fair value through profit or loss Concept (Monetary) For Period Credit sek:GainsLossesOnAssetsAndLiabilitiesAtFairValue
684 Financial instruments under fair-value hedge accounting Concept (Monetary) For Period Credit ifrs-full:GainLossOnHedgeIneffectivenessRecognisedInProfitOrLoss
685 Currency exchange-rate effects on all assets and liabilities excl. currency exchange-rate effects related to revaluation at fair value Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss
686 Total net results of financial transactions Concept (Monetary) For Period Credit sek:GainLossOnFinancialTransactions
687 40501 - Disclosure - Personnel expenses - (Details) Network

*

*

 http://www.sek.se/role/DisclosurePersonnelExpensesDetails
688 Personnel expenses [table] Table

*

*

 sek:PersonnelExpensesTable
689 Ifrs title of individual [Axis] Axis sek:IfrsTitleOfIndividualAxis
690 Ifrs title of individual with relationship to entity [Domain] Member sek:IfrsTitleOfIndividualWithRelationshipToEntityDomain
691 Board of Directors and the CEO Member sek:BoardOfDirectorsAndChiefExecutiveOfficersMember
692 Senior Executives Member sek:SeniorExecutivesMember
693 Other employees Member sek:OtherEmployeesMember
694 Chief Executive Officer (Catrin Fransson) Member sek:ChiefExecutiveOfficerCEOMember
695 Personnel expenses LineItems sek:PersonnelExpensesLineItems
696 Salaries and remuneration Concept (Monetary) For Period Debit ifrs-full:WagesAndSalaries
697 Pensions Concept (Monetary) For Period Debit sek:PostemploymentBenefitExpenseDefinedBenefitAndDefinedContributionPlans
698 Social insurance Concept (Monetary) For Period Debit ifrs-full:SocialSecurityContributions
699 Other personnel expenses Concept (Monetary) For Period Debit ifrs-full:OtherEmployeeExpense
700 Total personnel expenses Concept (Monetary) For Period Debit ifrs-full:EmployeeBenefitsExpense
701 Pensionable remuneration Concept (Monetary) For Period Debit sek:PensionableRemuneration
702 40502 - Disclosure - Personnel expenses - Remuneration and other benefits (Details) Network

*

*

 http://www.sek.se/role/DisclosurePersonnelExpensesRemunerationAndOtherBenefitsDetails
703 Personnel expenses [table] Table

*

*

 sek:PersonnelExpensesTable
704 Ifrs title of individual [Axis] Axis sek:IfrsTitleOfIndividualAxis
705 Ifrs title of individual with relationship to entity [Domain] Member sek:IfrsTitleOfIndividualWithRelationshipToEntityDomain
706 Lars Linder Aronson Member sek:ChairmanOneMember
707 Cecilia Ardstrom Member sek:BoardOfDirectorsOneMember
708 Jan Belfrage, resigned March 22, 2017 Member sek:BoardOfDirectorsTwoMember
709 Reinhold Geijer, from March 22, 2017 Member sek:BoardOfDirectorsTenMember
710 Hans Larsson, from March 22, 2017 Member sek:BoardOfDirectorsElevenMember
711 Eva Nilsagrd, from April 24, 2018 Member sek:BoardOfDirectorsTwelveMember
712 Susanne Lithander, resigned April 24, 2018 Member sek:BoardOfDirectorsThreeMember
713 Ulla Nilsson Member sek:BoardOfDirectorsFiveMember
714 Jan Roxendal, resigned April 26, 2016 Member sek:BoardOfDirectorsSixMember
715 Magnus Uggla, from April 26, 2016, resigned March 22, 2017 Member sek:BoardOfDirectorsEightMember
716 Chief Executive Officer (Catrin Fransson) Member sek:ChiefExecutiveOfficerCEOMember
717 Per Akerlind, Head of Treasury and Capital Management and Executive Vice President Member sek:HeadOfTreasuryAndCapitalManagementAndExecutiveVicePresidentMember
718 Karl Johan Bernerfalk, General Counsel Member sek:GeneralCounselMember
719 Andreas Ericson, Head of Mid Corporates, from October 15, 2018 Member sek:HeadOfMidCorporatesMember
720 Stefan Friberg, Chief Risk Officer (CRO) Member sek:ChiefRiskOfficerOneMember
721 Teresa Hamilton Burman, Chief Credit Officer (CCO) Member sek:ChiefCreditOfficerMember
722 Jens Hedar, Head of Large Corporates, from October 15, 2018 Member sek:HeadOfLargeCorporatesMember
723 Johan Henningsson, Head of Sustainability Member sek:HeadOfSustainabilityMember
724 Petra Konberg, Head Of Marketing and Business Development, from April 18, 2017 Member sek:HeadOfMarketingAndBusinessDevelopmentMember
725 Jane Lundgren Ericsson, Head of Lending, resigned October 12, 2018 Member sek:HeadOfLendingMember
726 Ingela Nachweij, Acting Chief Information Officer (CIO), from January 10, 2017, resigned January 31, 2018 Member sek:ActingChiefInformationOfficerMember
727 Sirpa Rusanen, Chief Human Resources Officer (CHRO) Member sek:HeadOfHumanResourcesMember
728 Susanna Rystedt, Chief Administrative Officer (CAO) Member sek:ChiefAdministrativeOfficerMember
729 Edvard Unsgaard, Head of Communication, resigned April 18, 2017 Member sek:HeadOfCommunicationMember
730 Madeleine Widaeus, IT-chief, from February 1, 2018 Member sek:ItChiefMember
731 Senior Executives Member sek:SeniorExecutivesMember
732 Sven-Olof Sderlund Member sek:SvenOlofSderlundMember
733 Range [axis] Axis ifrs-full:RangeAxis
734 Ranges [member] Member ifrs-full:RangesMember
735 Maximum Member ifrs-full:TopOfRangeMember
736 Minimum Member ifrs-full:BottomOfRangeMember
737 Personnel expenses LineItems sek:PersonnelExpensesLineItems
738 Fee, includes committee fee Concept (Monetary) For Period Debit sek:FeeIncludingCommitteeFee
739 Fixed remuneration Concept (Monetary) For Period Debit sek:FixedRemuneration
740 Other benefits Concept (Monetary) For Period Debit sek:OtherBenefits
741 Pension fee Concept (Monetary) For Period Debit ifrs-full:KeyManagementPersonnelCompensationPostemploymentBenefits
742 Total Concept (Monetary) For Period Debit ifrs-full:KeyManagementPersonnelCompensation
743 Retirement age Concept (xbrli:durationItemType) For Period sek:AgeOfRetirement
744 Pension fee on fixed salary (in percent) Concept (Percent) For Period sek:PensionFeePercentageOnFixedSalary
745 Number of systems for variable remuneration Concept (Integer) For Period sek:NumberOfSystemsForVariableRemuneration
746 Senior executives included in EIS Concept (Decimal) For Period sek:SeniorExecutivesIncludedInEis
747 Number of months salary considered for employee incentive scheme Concept (Integer) For Period sek:NumberOfMonthsSalaryConsideredForEmployeeIncentiveScheme
748 Variable remuneration maximum percentage on fixed remuneration Concept (Percent) For Period sek:VariableRemunerationMaximumPercentageOnFixedRemuneration
749 Trial period for employee incentive scheme Concept (xbrli:durationItemType) For Period sek:TrialPeriodForEmployeeIncentiveScheme
750 Number of levels of testing individual variable remuneration Concept (Integer) For Period sek:NumberOfLevelsOfTestingIndividualVariableRemuneration
751 Number of months salary maximum at Company level Concept (Integer) For Period sek:NumberOfMonthsSalaryMaximumAtCompanyLevel
752 Number of months salary maximum based on department's quantitative targets Concept (Integer) For Period sek:NumberOfMonthsSalaryMaximumOutcomeForIndividualVariableRemunerationBasedOnDepartmentsQuantitativeTargets
753 Individual variable remuneration test outcome lower limit (in relation to department level amount) Concept (Pure) For Period sek:IndividualVariableRemunerationTestOutComeLowerLimit
754 Individual variable remuneration test outcome upper limit (in relation to department level amount) Concept (Pure) For Period sek:IndividualVariableRemunerationTestOutComeDepartmentLevelUpperLimit
755 Number of months salary maximum outcome for individual variable remuneration Concept (Integer) For Period sek:NumberOfMonthsSalaryMaximumOutcomeForIndividualVariableRemuneration
756 Disbursement percentage under employee incentive scheme year one Concept (Percent) For Period sek:DisbursementPercentageUnderEmployeeIncentiveSchemeYearOne
757 Disbursement percentage under employee incentive scheme subsequent years Concept (Percent) For Period sek:DisbursementPercentageUnderEmployeeIncentiveSchemeSubsequentYears
758 Disbursement under employee incentive scheme number of subsequent years Concept (Decimal) For Period sek:DisbursementUnderEmployeeIncentiveSchemeNumberOfSubsequentYears
759 Number of employees that receive remuneration greater than one million Euro per fiscal year Concept (Decimal) For Period sek:NumberOfEmployeesReceivesRemunerationGreaterThanOneMillionEuroPerFiscalYear
760 Notice period Concept (xbrli:durationItemType) For Period sek:NoticePeriod
761 Severance pay period limit Concept (xbrli:durationItemType) For Period sek:SeverancePayPeriodLimit
762 40503 - Disclosure - Personnel expenses - Pension (Details) Network

*

*

 http://www.sek.se/role/DisclosurePersonnelExpensesPensionDetails
763 Disclosure of net defined benefit liability (asset) [table] Table

*

*

 ifrs-full:DisclosureOfNetDefinedBenefitLiabilityAssetTable
764 Net defined benefit liability (asset) [axis] Axis ifrs-full:NetDefinedBenefitLiabilityAssetAxis
765 Net defined benefit liability (asset) [member] Member ifrs-full:NetDefinedBenefitLiabilityAssetMember
766 Present value of defined benefit obligation Member ifrs-full:PresentValueOfDefinedBenefitObligationMember
767 Plan assets Member ifrs-full:PlanAssetsMember
768 Effect of asset ceiling Member ifrs-full:EffectOfAssetCeilingMember
769 Disclosure of net defined benefit liability (asset) LineItems ifrs-full:DisclosureOfNetDefinedBenefitLiabilityAssetLineItems
770 Service cost Concept (Monetary) For Period Debit sek:DefinedBenefitPlansServiceCost
771 Regulation of pension obligations Concept (Monetary) For Period Credit sek:RegulationOfPensionObligations
772 Interest cost Concept (Monetary) For Period Debit sek:DefinedBenefitPlansInterestExpense
773 Pension cost for defined benefit pensions, incl. payroll tax Concept (Monetary) For Period Debit ifrs-full:PostemploymentBenefitExpenseDefinedBenefitPlans
774 Pension cost for defined contribution pension cost incl. payroll tax Concept (Monetary) For Period Debit ifrs-full:PostemploymentBenefitExpenseDefinedContributionPlans
775 Pension cost recognized in personnel costs Concept (Monetary) For Period Debit sek:PostemploymentBenefitExpenseDefinedBenefitAndDefinedContributionPlans
776 Revaluation of defined benefit plans Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeBeforeTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans
777 Provision for pensions Concept (Monetary) As Of Credit ifrs-full:LiabilityAssetOfDefinedBenefitPlans
778 40504 - Disclosure - Personnel expenses - Defined benefit pension (Details) Network

*

*

 http://www.sek.se/role/DisclosurePersonnelExpensesDefinedBenefitPensionDetails
779 Disclosure of net defined benefit liability (asset) [table] Table

*

*

 ifrs-full:DisclosureOfNetDefinedBenefitLiabilityAssetTable
780 Net defined benefit liability (asset) [axis] Axis ifrs-full:NetDefinedBenefitLiabilityAssetAxis
781 Net defined benefit liability (asset) [member] Member ifrs-full:NetDefinedBenefitLiabilityAssetMember
782 Present value of defined benefit obligation Member ifrs-full:PresentValueOfDefinedBenefitObligationMember
783 Plan assets Member ifrs-full:PlanAssetsMember
784 Disclosure of net defined benefit liability (asset) LineItems ifrs-full:DisclosureOfNetDefinedBenefitLiabilityAssetLineItems
785 Balance at beginning of the period Concept (Monetary) As Of Credit ifrs-full:LiabilityAssetOfDefinedBenefitPlans
786 Service cost Concept (Monetary) For Period Credit ifrs-full:CurrentServiceCostNetDefinedBenefitLiabilityAsset
787 Interest cost / Expected return on plan assets Concept (Monetary) For Period Credit ifrs-full:InterestExpenseIncomeNetDefinedBenefitLiabilityAsset
788 Pension Payments incl. special payroll tax / Benefits paid Concept (Monetary) For Period Debit ifrs-full:PaymentsFromPlanNetDefinedBenefitLiabilityAsset
789 Other Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughOtherChangesNetDefinedBenefitLiabilityAsset
790 Actuarial (gains) and losses, effect due to changed financial assumptions Concept (Monetary) For Period Debit ifrs-full:ActuarialGainsLossesArisingFromChangesInFinancialAssumptionsNetDefinedBenefitLiabilityAsset
791 Actuarial (gains) and losses, effect due to experience based outcome Concept (Monetary) For Period Debit ifrs-full:ActuarialGainsLossesArisingFromExperienceAdjustmentsNetDefinedBenefitLiabilityAsset
792 Contributions by the employer Concept (Monetary) For Period Debit ifrs-full:ContributionsToPlanByEmployerNetDefinedBenefitLiabilityAsset
793 Return on plan assets excluding interest income Concept (Monetary) For Period Debit ifrs-full:ReturnOnPlanAssetsNetDefinedBenefitLiabilityAsset
794 Balance at end of the period Concept (Monetary) As Of Credit ifrs-full:LiabilityAssetOfDefinedBenefitPlans
795 Expected contribution from the employer Concept (Monetary) For Period Credit ifrs-full:EstimateOfContributionsExpectedToBePaidToPlan
796 Expected compensation paid Concept (Monetary) For Period Debit sek:ExpectedPaymentsFromPlanNetDefinedBenefitLiabilityAsset
797 40505 - Disclosure - Personnel expenses - Plan assets (Details) Network

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 http://www.sek.se/role/DisclosurePersonnelExpensesPlanAssetsDetails
798 Disclosure of net defined benefit liability (asset) [table] Table

*

*

 ifrs-full:DisclosureOfNetDefinedBenefitLiabilityAssetTable
799 Geographical areas [axis] Axis ifrs-full:GeographicalAreasAxis
800 Geographical areas [member] Member ifrs-full:GeographicalAreasMember
801 Sweden Member ifrs-full:CountryOfDomicileMember
802 Foreign countries Member ifrs-full:ForeignCountriesMember
803 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
804 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
805 Government bonds Member ifrs-full:LoansToGovernmentMember
806 Loans to the public Member ifrs-full:CorporateLoansMember
807 Mortgage bonds Member ifrs-full:MortgagesMember
808 Disclosure of net defined benefit liability (asset) LineItems ifrs-full:DisclosureOfNetDefinedBenefitLiabilityAssetLineItems
809 Equity investments Concept (Monetary) As Of Debit ifrs-full:EquityInstrumentsAmountContributedToFairValueOfPlanAssets
810 Debt instruments Concept (Monetary) As Of Debit ifrs-full:DebtInstrumentsAmountContributedToFairValueOfPlanAssets
811 Other Investments Concept (Monetary) As Of Debit ifrs-full:OtherAssetsAmountContributedToFairValueOfPlanAssets
812 Properties Concept (Monetary) As Of Debit ifrs-full:PropertyAmountContributedToFairValueOfPlanAssets
813 Plan assets Concept (Monetary) As Of Debit ifrs-full:PlanAssetsAtFairValue
814 40506 - Disclosure - Personnel expenses - Actuarial assumptions (Details) Network

*

*

 http://www.sek.se/role/DisclosurePersonnelExpensesActuarialAssumptionsDetails
815 Implied Table Table

*

*

 implied:Table
816 Personnel expense Abstract sek:PersonnelExpensesAbstract
817 Discount rate Concept (Percent) As Of ifrs-full:ActuarialAssumptionOfDiscountRates
818 Assumption of early pension withdrawal Concept (Percent) As Of sek:ActuarialAssumptionEarlyPensionWithdrawal
819 Expected salary increase Concept (Percent) As Of ifrs-full:ActuarialAssumptionOfExpectedRatesOfSalaryIncreases
820 Expected inflation Concept (Percent) As Of ifrs-full:ActuarialAssumptionOfExpectedRatesOfInflation
821 Expected lifetime Concept (Text/String) For Period sek:ActuarialAssumptionOfExpectedLifeExpectancyOfPlanOnValuationDate
822 Expected turnover Concept (Percent) As Of sek:ActuarialAssumptionOfExpectedRatesOfTurnover
823 40507 - Disclosure - Personnel expenses - Sensitivity analysis of essential assumptions (Details) Network

*

*

 http://www.sek.se/role/DisclosurePersonnelExpensesSensitivityAnalysisOfEssentialAssumptionsDetails
824 Disclosure of sensitivity analysis for actuarial assumptions [table] Table

*

*

 ifrs-full:DisclosureOfSensitivityAnalysisForActuarialAssumptionsTable
825 Actuarial assumptions [axis] Axis ifrs-full:ActuarialAssumptionsAxis
826 Actuarial assumptions [member] Member ifrs-full:ActuarialAssumptionsMember
827 Discount rate Member ifrs-full:ActuarialAssumptionOfDiscountRatesMember
828 Expected lifetime Member ifrs-full:ActuarialAssumptionOfLifeExpectancyAfterRetirementMember
829 Disclosure of sensitivity analysis for actuarial assumptions LineItems ifrs-full:DisclosureOfSensitivityAnalysisForActuarialAssumptionsLineItems
830 Increase in actuarial assumption (as a percent) Concept (Percent) As Of ifrs-full:PercentageOfReasonablyPossibleIncreaseInActuarialAssumption
831 Actuarial assumption after reasonable increase (as a percent) Concept (Percent) As Of sek:ActuarialAssumptionAfterReasonableIncrease
832 Decrease in actuarial assumption (as a percent) Concept (Percent) As Of ifrs-full:PercentageOfReasonablyPossibleDecreaseInActuarialAssumption
833 Actuarial assumption after reasonable decrease (as a percent) Concept (Percent) As Of sek:ActuarialAssumptionAfterReasonableDecrease
834 Increase in actuarial assumption (in years) Concept (xbrli:durationItemType) For Period sek:IncreaseInActuarialAssumption
835 Decrease in actuarial assumption (in years) Concept (xbrli:durationItemType) For Period sek:DecreaseInActuarialAssumption
836 Defined benefit obligation after reasonable increase in actuarial assumption Concept (Monetary) As Of Credit sek:DefinedBenefitObligationAfterReasonableIncreaseInActuarialAssumption
837 Defined benefit obligation after reasonable decrease in actuarial assumption Concept (Monetary) As Of Credit sek:DefinedBenefitObligationAfterReasonableDecreaseInActuarialAssumption
838 Service cost after reasonable increase in actuarial assumption Concept (Monetary) For Period Debit sek:ServiceCostAfterReasonableIncreaseInActuarialAssumption
839 Service cost after reasonable decrease in actuarial assumption Concept (Monetary) For Period Debit sek:ServiceCostAfterReasonableDecreaseInActuarialAssumption
840 Interest cost on defined benefit obligation after reasonable increase in actuarial assumption Concept (Monetary) For Period Debit sek:InterestCostOnDefinedBenefitObligationAfterReasonableIncreaseInActuarialAssumption
841 Interest cost on defined benefit obligation after reasonable decrease in actuarial assumption Concept (Monetary) For Period Debit sek:InterestCostOnDefinedBenefitObligationAfterReasonableDecreaseInActuarialAssumption
842 40508 - Disclosure - Personnel expenses - Reconciliation of pension liabilities (Details) Network

*

*

 http://www.sek.se/role/DisclosurePersonnelExpensesReconciliationOfPensionLiabilitiesDetails
843 Implied Table Table

*

*

 implied:Table
844 Personnel expense Abstract sek:PersonnelExpensesAbstract
845 Balance at beginning of the period Concept (Monetary) As Of Credit ifrs-full:LiabilityAssetOfDefinedBenefitPlans
846 Net periodic pension cost Concept (Monetary) For Period Credit sek:NetPeriodicPensionCostIncreaseInNetDefinedBenefitObligation
847 Contributions by the employer Concept (Monetary) For Period Debit ifrs-full:ContributionsToPlanByEmployerNetDefinedBenefitLiabilityAsset
848 Net pension payments Concept (Monetary) For Period Debit ifrs-full:PaymentsFromPlanNetDefinedBenefitLiabilityAsset
849 Revaluations recognized in other comprehensive income Concept (Monetary) For Period Debit ifrs-full:GainLossOnRemeasurementOfNetDefinedBenefitLiabilityAsset
850 Balance at end of the period Concept (Monetary) As Of Credit ifrs-full:LiabilityAssetOfDefinedBenefitPlans
851 40509 - Disclosure - Personnel expenses - Pensions (Details) Network

*

*

 http://www.sek.se/role/DisclosurePersonnelExpensesPensionsDetails
852 Implied Table Table

*

*

 implied:Table
853 Personnel expense Abstract sek:PersonnelExpensesAbstract
854 Pension expense Concept (Monetary) For Period Debit ifrs-full:PostemploymentBenefitExpenseDefinedBenefitPlans
855 Expected weighted average remaining service time for active employees Concept (xbrli:durationItemType) For Period sek:ExpectedWeightedAverageRemainingServiceTimeForActiveEmployees
856 Expected weighted average duration for the present value Concept (xbrli:durationItemType) For Period sek:ExpectedWeightedAverageDurationForPresentValue
857 Average salary for active employees Concept (Monetary) For Period Debit sek:AverageSalaryForActiveEmployees
858 Percentage of employees early retirement Concept (Percent) For Period sek:PercentageOfEmployeesEarlyRetirement
859 Retirement age for employees born on or before 1956 Concept (xbrli:durationItemType) For Period sek:RetirementAgeForEmployeesBornOnOrBefore1956
860 Retirement age for employees born on or after 1967 Concept (xbrli:durationItemType) For Period sek:RetirementAgeForEmployeesBornOnOrAfter1967retirementAgeForEmployeesBornOnOrAfter1967
861 40510 - Disclosure - Personnel expenses - Average number of employees (Details) Network

*

*

 http://www.sek.se/role/DisclosurePersonnelExpensesAverageNumberOfEmployeesDetails
862 Implied Table Table

*

*

 implied:Table
863 Personnel expense Abstract sek:PersonnelExpensesAbstract
864 Average number employees, women Concept (Decimal) For Period sek:AverageNumberOfWomenEmployees
865 Average number employees, men Concept (Decimal) For Period sek:AverageNumberOfMenEmployees
866 Total average number of employees Concept (Decimal) For Period ifrs-full:AverageNumberOfEmployees
867 40511 - Disclosure - Personnel expenses - Number of employees at year-end (Details) Network

*

*

 http://www.sek.se/role/DisclosurePersonnelExpensesNumberOfEmployeesAtYearEndDetails
868 Implied Table Table

*

*

 implied:Table
869 Personnel expense Abstract sek:PersonnelExpensesAbstract
870 Number of women employees Concept (Integer) As Of sek:NumberOfWomenEmployees
871 Number of men employees Concept (Integer) As Of sek:NumberOfMenEmployees
872 Number of employees Concept (Decimal) As Of ifrs-full:NumberOfEmployees
873 Number of full time employees Concept (Integer) As Of sek:NumberOfFullTimeEmployees
874 Percentage of allocation of women in full-time employees Concept (Percent) For Period sek:PercentageOfAllocationOfWomenInFullTimeEmployeesInTotal
875 Percentage of allocation of men in full-time employees Concept (Percent) For Period sek:PercentageOfAllocationOfMenInFullTimeEmployeesInTotal
876 Number of part time employees Concept (Integer) As Of sek:NumberOfPartTimeEmployees
877 Percentage of allocation of women in part-time employees Concept (Percent) For Period sek:PercentageOfAllocationOfWomenInPartTimeEmployeesInTotal
878 Percentage of allocation of men in part-time employees Concept (Percent) For Period sek:PercentageOfAllocationOfMenInPartTimeEmployeesInTotal
879 Number of permanent employees Concept (Integer) As Of sek:NumberOfPermanentEmployees
880 Percentage of allocation of women in permanent employees Concept (Percent) For Period sek:PercentageOfAllocationOfWomenInPermanentEmployeesInTotal
881 Percentage of allocation of men in permanent employees Concept (Percent) For Period sek:PercentageOfAllocationOfMenInPermanentEmployeesInTotal
882 Number of temporary employees Concept (Integer) As Of sek:NumberOfTemporaryEmployees
883 Percentage of allocation of women in temporary employees Concept (Percent) For Period sek:PercentageOfAllocationOfWomenInTemporaryEmployeesInTotal
884 Percentage of allocation of men in temporary employees Concept (Percent) For Period sek:PercentageOfAllocationOfMenInTemporaryEmployeesInTotal
885 Number of managers Concept (Integer) As Of sek:NumberOfManagers
886 Number of non-management employees Concept (Integer) As Of sek:NumberOfEmployeesOtherThanManagers
887 Number of consultants Concept (Integer) As Of sek:NumberOfConsultants
888 40512 - Disclosure - Personnel expenses - Employees by age distribution (Details) Network

*

*

 http://www.sek.se/role/DisclosurePersonnelExpensesEmployeesByAgeDistributionDetails
889 Implied Table Table

*

*

 implied:Table
890 Personnel expense Abstract sek:PersonnelExpensesAbstract
891 Number of employees Concept (Decimal) As Of ifrs-full:NumberOfEmployees
892 Number of employees under the age of 30 years Concept (Integer) As Of sek:NumberOfEmployeesUnderAgeOf30Years
893 Number of employees between 30 and 50 years Concept (Integer) As Of sek:NumberOfEmployeesBetween30and50Years
894 Number of employees over 50 years Concept (Integer) As Of sek:NumberOfEmployeesOver50Years
895 40513 - Disclosure - Personnel expenses - Employee turnover (Details) Network

*

*

 http://www.sek.se/role/DisclosurePersonnelExpensesEmployeeTurnoverDetails
896 Implied Table Table

*

*

 implied:Table
897 Personnel expense Abstract sek:PersonnelExpensesAbstract
898 Number of employees who left employment Concept (Integer) For Period sek:NumberOfEmployeesResigned
899 Number of women employees who left employment Concept (Integer) For Period sek:NumberOfWomenEmployeesResigned
900 Number of men employees who left employment Concept (Integer) For Period sek:NumberOfMenEmployeesResigned
901 Number of employees who left employment under the age of 30 years Concept (Integer) For Period sek:NumberOfEmployeesResignedUnderAgeOf30Years
902 Number of employees who left employment between 30 and 50 years Concept (Integer) For Period sek:NumberOfEmployeesResignedBetween30And50Years
903 Number of employees who left employment over 50 years Concept (Integer) For Period sek:NumberOfEmployeesResignedOver50Years
904 40514 - Disclosure - Personnel expenses - Employees by health percentage (Details) Network

*

*

 http://www.sek.se/role/DisclosurePersonnelExpensesEmployeesByHealthPercentageDetails
905 Implied Table Table

*

*

 implied:Table
906 Personnel expense Abstract sek:PersonnelExpensesAbstract
907 Percentage of employees absence due to sickness Concept (Percent) For Period sek:PercentageOfEmployeesAbsenceDueToSickness
908 Percentage of employees that use fitness allowance Concept (Percent) For Period sek:PercentageOfEmployeesUsesFitnessAllowance
909 40515 - Disclosure - Personnel expenses - Employee equality and diversity (Details) Network

*

*

 http://www.sek.se/role/DisclosurePersonnelExpensesEmployeeEqualityAndDiversityDetails
910 Implied Table Table

*

*

 implied:Table
911 Personnel expense Abstract sek:PersonnelExpensesAbstract
912 Percentage of allocation of women on the Board of Directors Concept (Percent) For Period sek:PercentageOfAllocationOfWomenOnBoardOfDirectors
913 Percentage of allocation of men on the Board of Directors Concept (Percent) For Period sek:PercentageOfAllocationOfMenOnBoardOfDirectors
914 Percentage of allocation of women in executive management Concept (Percent) For Period sek:PercentageOfAllocationOfWomenInExecutiveManagement
915 Percentage of allocation of men in executive management Concept (Percent) For Period sek:PercentageOfAllocationOfMenInExecutiveManagement
916 Percentage of allocation of women in management positions Concept (Percent) For Period sek:PercentageOfAllocationOfWomenInManagementPositions
917 Percentage of allocation of men in management positions Concept (Percent) For Period sek:PercentageOfAllocationOfMenInManagementPositions
918 Percentage of allocation of women employees in total Concept (Percent) For Period sek:PercentageOfAllocationOfWomenEmployeesInTotal
919 Percentage of allocation of men employees in total Concept (Percent) For Period sek:PercentageOfAllocationOfMenEmployeesInTotal
920 Percentage of allocation of employees with foreign background Concept (Percent) For Period sek:PercentageOfAllocationOfEmployeesWithForeignBackground
921 Percentage of allocation of employees with Swedish background Concept (Percent) For Period sek:PercentageOfAllocationOfEmployeesWithSwedishBackground
922 Frequency of survey (in years) Concept (xbrli:durationItemType) For Period sek:FrequencyOfEqualityAndDiversitySurvey
923 40516 - Disclosure - Personnel expenses - Employee development (Details) Network

*

*

 http://www.sek.se/role/DisclosurePersonnelExpensesEmployeeDevelopmentDetails
924 Implied Table Table

*

*

 implied:Table
925 Personnel expense Abstract sek:PersonnelExpensesAbstract
926 Percentage of employees who had a performance review Concept (Percent) For Period sek:PercentageOfEmployeesWhoHadPerformanceReview
927 Average number of training days per employee Concept (Integer) For Period sek:AverageNumberOfTrainingDaysPerEmployee
928 40601 - Disclosure - Other administrative expenses (Details) Network

*

*

 http://www.sek.se/role/DisclosureOtherAdministrativeExpensesDetails
929 Implied Table Table

*

*

 implied:Table
930 Other administrative expenses Abstract sek:OtherAdministrativeExpensesAbstract
931 Other administrative expenses Abstract ifrs-full:ExpenseByNatureAbstract
932 Travel expenses and marketing Concept (Monetary) For Period Debit sek:TravelExpensesAndMarketing
933 IT and information system (fees incl.) Concept (Monetary) For Period Debit sek:ItAndInformationTechnologyExpense
934 Other fees Concept (Monetary) For Period Debit ifrs-full:ProfessionalFeesExpense
935 Premises Concept (Monetary) For Period Debit ifrs-full:RentalExpense
936 Other Concept (Monetary) For Period Debit ifrs-full:OtherExpenseByFunction
937 Total other administrative expenses Concept (Monetary) For Period Debit ifrs-full:AdministrativeExpense
938 40602 - Disclosure - Other administrative expenses - Operating leases (Details) Network

*

*

 http://www.sek.se/role/DisclosureOtherAdministrativeExpensesOperatingLeasesDetails
939 Disclosure of maturity analysis of operating lease payments [table] Table

*

*

 ifrs-full:DisclosureOfMaturityAnalysisOfOperatingLeasePaymentsTable
940 Maturity [axis] Axis ifrs-full:MaturityAxis
941 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
942 Within 1 year Member ifrs-full:NotLaterThanOneYearMember
943 Between 1 and 5 years Member ifrs-full:LaterThanOneYearAndNotLaterThanFiveYearsMember
944 Operating leases LineItems ifrs-full:DisclosureOfFinanceLeaseAndOperatingLeaseByLesseeLineItems
945 Cost of operating leases Abstract ifrs-full:LeaseAndSubleasePaymentsRecognisedAsExpenseAbstract
946 Leases Concept (Monetary) For Period Debit ifrs-full:MinimumOperatingLeasePayments
947 Future minimum rentals payable under non-cancellable operating leases Abstract ifrs-full:DisclosureOfMaturityAnalysisOfOperatingLeasePaymentsAbstract
948 Future minimum rentals payable under non-cancellable operating leases Concept (Monetary) As Of Credit ifrs-full:MinimumLeasePaymentsPayableUnderNoncancellableOperatingLease
949 40603 - Disclosure - Other administrative expenses - Remuneration to auditors (Details) Network

*

*

 http://www.sek.se/role/DisclosureOtherAdministrativeExpensesRemunerationToAuditorsDetails
950 Implied Table Table

*

*

 implied:Table
951 Other administrative expenses Abstract sek:OtherAdministrativeExpensesAbstract
952 Auditor's remuneration details Abstract ifrs-full:AuditorsRemunerationAbstract
953 Audit fee Concept (Monetary) For Period Debit ifrs-full:AuditorsRemunerationForAuditServices
954 Audit related fee Concept (Monetary) For Period Debit sek:AuditorSRemunerationForAuditRelatedServices
955 Tax related fee Concept (Monetary) For Period Debit ifrs-full:AuditorsRemunerationForTaxServices
956 Other fees Concept (Monetary) For Period Debit ifrs-full:AuditorsRemunerationForOtherServices
957 Total Concept (Monetary) For Period Debit ifrs-full:AuditorsRemuneration
958 40701 - Disclosure - Tangible and intangible assets (Details) Network

*

*

 http://www.sek.se/role/DisclosureTangibleAndIntangibleAssetsDetails
959 Implied Table Table

*

*

 implied:Table
960 Tangible and intangible assets Abstract sek:DisclosureOfTangibleAndIntangibleAssetsAbstract
961 Tangible assets Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipment
962 Intangible assets Concept (Monetary) As Of Debit ifrs-full:IntangibleAssetsOtherThanGoodwill
963 Total net book value Concept (Monetary) As Of Debit sek:PropertyPlantAndEquipmentAndIntangibleAssets
964 Depreciation and impairment during the year according to the Consolidated Statement of Comprehensive Income Concept (Monetary) For Period Debit ifrs-full:DepreciationAmortisationAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss
965 Average useful life for intangible assets Concept (xbrli:durationItemType) For Period sek:AverageUsefulLifeIntangibleAssetsOtherThanGoodwill
966 40801 - Disclosure - Leasing (Details) Network

*

*

 http://www.sek.se/role/DisclosureLeasingDetails
967 Disclosure of maturity analysis of finance lease payments receivable [table] Table

*

*

 ifrs-full:DisclosureOfMaturityAnalysisOfFinanceLeasePaymentsReceivableTable
968 Maturity [axis] Axis ifrs-full:MaturityAxis
969 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
970 Within 1 year Member ifrs-full:NotLaterThanOneYearMember
971 Between 1 and 5 years Member ifrs-full:LaterThanOneYearAndNotLaterThanFiveYearsMember
972 More than 5 years Member ifrs-full:LaterThanFiveYearsMember
973 Leasing LineItems ifrs-full:DisclosureOfMaturityAnalysisOfFinanceLeasePaymentsReceivableLineItems
974 Gross investment Concept (Monetary) As Of Debit ifrs-full:GrossInvestmentInFinanceLease
975 Present value of minimum lease payments Concept (Monetary) As Of Debit ifrs-full:MinimumFinanceLeasePaymentsReceivableAtPresentValue
976 Unearned finance income Concept (Monetary) As Of Debit ifrs-full:UnearnedFinanceIncomeOnFinanceLease
977 40901 - Disclosure - Impairments (Details) Network

*

*

 http://www.sek.se/role/DisclosureImpairmentsDetails
978 Disclosure of impairment loss and reversal of impairment loss [table] Table

*

*

 ifrs-full:DisclosureOfImpairmentLossAndReversalOfImpairmentLossTable
979 Type of measurement of expected credit losses [axis] Axis ifrs-full:TypeOfMeasurementOfExpectedCreditLossesAxis
980 Type of measurement of expected credit losses [member] Member ifrs-full:TypeOfMeasurementOfExpectedCreditLossesMember
981 12-month expected credit losses Member ifrs-full:TwelvemonthExpectedCreditLossesMember
982 Lifetime expected credit losses Member ifrs-full:LifetimeExpectedCreditLossesMember
983 Credit impairment of financial instruments [axis] Axis ifrs-full:CreditImpairmentOfFinancialInstrumentsAxis
984 Credit impairment of financial instruments [member] Member ifrs-full:CreditImpairmentOfFinancialInstrumentsMember
985 Financial instruments not credit-impaired Member ifrs-full:FinancialInstrumentsNotCreditimpairedMember
986 Financial instruments credit-impaired Member ifrs-full:FinancialInstrumentsCreditimpairedMember
987 Disclosure of impairment loss and reversal of impairment loss LineItems ifrs-full:DisclosureOfImpairmentLossAndReversalOfImpairmentLossLineItems
988 Reconciliation of changes in allowance account for credit losses of financial assets Abstract ifrs-full:ReconciliationOfChangesInAllowanceAccountForCreditLossesOfFinancialAssetsAbstract
989 Impairment of financial assets Concept (Monetary) For Period ifrs-full:AdditionalAllowanceRecognisedInProfitOrLossAllowanceAccountForCreditLossesOfFinancialAssets
990 Reversal of previous write-downs Concept (Monetary) For Period ifrs-full:ReversalAllowanceAccountForCreditLossesOfFinancialAssets
991 Established losses Concept (Monetary) For Period Debit sek:EstablishedLossesOnFinancialAssets
992 Reserves applied to cover established credit losses Concept (Monetary) For Period Credit sek:ReservesAppliedToCoverEstablishedCreditLosses
993 Recovered credit losses Concept (Monetary) For Period Credit ifrs-full:GainOnRecoveryOfLoansAndAdvancesPreviouslyWrittenOff
994 Net credit losses Concept (Monetary) For Period Debit ifrs-full:ImpairmentLossOnFinancialAssets
995 Net credit losses for IFRS 9 Concept (Monetary) For Period Debit ifrs-full:ImpairmentLossImpairmentGainAndReversalOfImpairmentLossDeterminedInAccordanceWithIFRS9
996 40902 - Disclosure - Impairments - Loss Allowance (Details) Network

*

*

 http://www.sek.se/role/DisclosureImpairmentsLossAllowanceDetails
997 Disclosure of impairment loss and reversal of impairment loss [table] Table

*

*

 ifrs-full:DisclosureOfImpairmentLossAndReversalOfImpairmentLossTable
998 Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Axis ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
999 Carrying amount [member] Member ifrs-full:CarryingAmountMember
1000 Gross carrying amount Member ifrs-full:GrossCarryingAmountMember
1001 Accumulated impairment Member ifrs-full:AccumulatedImpairmentMember
1002 Method of assessment of expected credit losses [axis] Axis ifrs-full:MethodOfAssessmentOfExpectedCreditLossesAxis
1003 Method of assessment of expected credit losses [member] Member ifrs-full:MethodOfAssessmentOfExpectedCreditLossesMember
1004 Expected credit losses individually assessed Member ifrs-full:ExpectedCreditLossesIndividuallyAssessedMember
1005 Type of measurement of expected credit losses [axis] Axis ifrs-full:TypeOfMeasurementOfExpectedCreditLossesAxis
1006 Type of measurement of expected credit losses [member] Member ifrs-full:TypeOfMeasurementOfExpectedCreditLossesMember
1007 12-month expected credit losses Member ifrs-full:TwelvemonthExpectedCreditLossesMember
1008 Lifetime expected credit losses Member ifrs-full:LifetimeExpectedCreditLossesMember
1009 Credit impairment of financial instruments [axis] Axis ifrs-full:CreditImpairmentOfFinancialInstrumentsAxis
1010 Credit impairment of financial instruments [member] Member ifrs-full:CreditImpairmentOfFinancialInstrumentsMember
1011 Financial instruments not credit-impaired Member ifrs-full:FinancialInstrumentsNotCreditimpairedMember
1012 Financial instruments credit-impaired Member ifrs-full:FinancialInstrumentsCreditimpairedMember
1013 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
1014 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
1015 Loans Member sek:IFRSLoansMember
1016 Loans in the form of interest-bearing securities Member sek:LoansInFormOfInterestBearingSecuritiesMember
1017 Loans to credit institutions Member sek:LoansAndAdvancesToBanksMember
1018 Loans to the public Member ifrs-full:CorporateLoansMember
1019 Off balance Member sek:OffBalanceInstrumentsMember
1020 Guarantees Member ifrs-full:GuaranteesMember
1021 Committed undisbursed loans Member sek:CommittedUndisbursedLoansMember
1022 Impairments LineItems ifrs-full:DisclosureOfImpairmentLossAndReversalOfImpairmentLossLineItems
1023 Loans and off balance Abstract sek:DisclosureOfLoansAndOffbalanceAbstract
1024 Loans and off balance Concept (Monetary) As Of Debit sek:LoansAndOffbalance
1025 Of which guaranteed Concept (Percent) As Of sek:LoansAndOffBalanceGuaranteedPercentage
1026 Provision ratio Concept (Percent) As Of ifrs-full:ExpectedCreditLossRate
1027 40903 - Disclosure - Impairments - Reconciliations (Details) Network

*

*

 http://www.sek.se/role/DisclosureImpairmentsReconciliationsDetails
1028 Disclosure of impairment loss and reversal of impairment loss [table] Table

*

*

 ifrs-full:DisclosureOfImpairmentLossAndReversalOfImpairmentLossTable
1029 Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Axis ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
1030 Carrying amount [member] Member ifrs-full:CarryingAmountMember
1031 Gross carrying amount Member ifrs-full:GrossCarryingAmountMember
1032 Accumulated impairment Member ifrs-full:AccumulatedImpairmentMember
1033 Method of assessment of expected credit losses [axis] Axis ifrs-full:MethodOfAssessmentOfExpectedCreditLossesAxis
1034 Method of assessment of expected credit losses [member] Member ifrs-full:MethodOfAssessmentOfExpectedCreditLossesMember
1035 Expected credit losses individually assessed Member ifrs-full:ExpectedCreditLossesIndividuallyAssessedMember
1036 Type of measurement of expected credit losses [axis] Axis ifrs-full:TypeOfMeasurementOfExpectedCreditLossesAxis
1037 Type of measurement of expected credit losses [member] Member ifrs-full:TypeOfMeasurementOfExpectedCreditLossesMember
1038 12-month expected credit losses Member ifrs-full:TwelvemonthExpectedCreditLossesMember
1039 Lifetime expected credit losses Member ifrs-full:LifetimeExpectedCreditLossesMember
1040 Credit impairment of financial instruments [axis] Axis ifrs-full:CreditImpairmentOfFinancialInstrumentsAxis
1041 Credit impairment of financial instruments [member] Member ifrs-full:CreditImpairmentOfFinancialInstrumentsMember
1042 Financial instruments not credit-impaired Member ifrs-full:FinancialInstrumentsNotCreditimpairedMember
1043 Financial instruments credit-impaired Member ifrs-full:FinancialInstrumentsCreditimpairedMember
1044 Impairments LineItems ifrs-full:DisclosureOfImpairmentLossAndReversalOfImpairmentLossLineItems
1045 Changes in loss allowance Abstract ifrs-full:IncreaseDecreaseInFinancialAssetsAbstract
1046 Loans and off balance at beginning of period Concept (Monetary) As Of Debit sek:LoansAndOffbalance
1047 Increase through origination or purchase, financial assets Concept (Monetary) For Period Debit ifrs-full:IncreaseThroughOriginationOrPurchaseFinancialAssets
1048 Net remeasurement of loss allowance Concept (Monetary) For Period Debit sek:NetRemeasurementOfLossAllowance
1049 Transfer to stage 1 Concept (Monetary) For Period Debit sek:IncreaseDecreaseThroughTransfersToStageOne
1050 Transfer to stage 2 Concept (Monetary) For Period Debit sek:IncreaseDecreaseThroughTransfersToStageTwo
1051 Transfer to stage 3 Concept (Monetary) For Period Debit sek:IncreaseDecreaseThroughTransfersToStageThree
1052 Decreases due to derecognition Concept (Monetary) For Period Credit ifrs-full:DecreaseThroughDerecognitionFinancialAssets
1053 Decrease in allowance account due to write-offs Concept (Monetary) For Period Credit ifrs-full:DecreaseThroughWriteoffFinancialAssets
1054 Exchange-rate differences Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseThroughForeignExchangeFinancialAssets
1055 Loans and off balance at end of period Concept (Monetary) As Of Debit sek:LoansAndOffbalance
1056 Effect on opening balance after implementation of IFRS 9 Concept (Monetary) As Of Debit sek:IncreaseDecreaseInFinancialAssetsLiabilitiesArisingFromChangeInMeasurementAttributeInitialApplicationOfIfrs9
1057 40904 - Disclosure - Impairments - Loan credit quality (Details) Network

*

*

 http://www.sek.se/role/DisclosureImpairmentsLoanCreditQualityDetails
1058 Disclosure of credit risk exposure [table] Table

*

*

 ifrs-full:DisclosureOfCreditRiskExposureTable
1059 Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Axis ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
1060 Carrying amount [member] Member ifrs-full:CarryingAmountMember
1061 Gross carrying amount Member ifrs-full:GrossCarryingAmountMember
1062 Type of measurement of expected credit losses [axis] Axis ifrs-full:TypeOfMeasurementOfExpectedCreditLossesAxis
1063 Type of measurement of expected credit losses [member] Member ifrs-full:TypeOfMeasurementOfExpectedCreditLossesMember
1064 12-month expected credit losses Member ifrs-full:TwelvemonthExpectedCreditLossesMember
1065 Lifetime expected credit losses Member ifrs-full:LifetimeExpectedCreditLossesMember
1066 Credit impairment of financial instruments [axis] Axis ifrs-full:CreditImpairmentOfFinancialInstrumentsAxis
1067 Credit impairment of financial instruments [member] Member ifrs-full:CreditImpairmentOfFinancialInstrumentsMember
1068 Financial instruments not credit-impaired Member ifrs-full:FinancialInstrumentsNotCreditimpairedMember
1069 Financial instruments credit-impaired Member ifrs-full:FinancialInstrumentsCreditimpairedMember
1070 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
1071 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
1072 Loans Member sek:IFRSLoansMember
1073 External credit grades [axis] Axis ifrs-full:ExternalCreditGradesAxis
1074 Entity's total for external credit grades [member] Member ifrs-full:EntitysTotalForExternalCreditGradesMember
1075 AAA Member sek:CreditRatingAaaRatingMember
1076 AA+ to A- Member sek:CreditRatingAaPlusToAminusRatingMember
1077 BBB+ to BBB- Member sek:CreditRatingBBBPlusToBBBMinusRatingMember
1078 BB+ to BB- Member sek:BbPlusToBbMinusGradeMember
1079 B+ to B- Member sek:CreditRatingBPlusToBMinusRatingMember
1080 CCC to D Member sek:CreditRatingCCCToDRatingMember
1081 Disclosure of credit risk exposure LineItems ifrs-full:DisclosureOfCreditRiskExposureLineItems
1082 Financial assets. Concept (Monetary) As Of Debit ifrs-full:FinancialAssets
1083 40905 - Disclosure - Impairments - Past due impairment (Details) Network

*

*

 http://www.sek.se/role/DisclosureImpairmentsPastDueImpairmentDetails
1084 Disclosure of financial assets that are either past due or impaired [table] Table

*

*

 ifrs-full:DisclosureOfFinancialAssetsThatAreEitherPastDueOrImpairedTable
1085 Past due status [axis] Axis ifrs-full:PastDueStatusAxis
1086 Past due status [member] Member ifrs-full:PastDueStatusMember
1087 Not later than 3 months / 90 days Member ifrs-full:NotLaterThanThreeMonthsMember
1088 Aggregate amount of principal and interest more than 90 days past-due Member ifrs-full:LaterThanThreeMonthsMember
1089 More than three but less than six months Member ifrs-full:LaterThanThreeMonthsAndNotLaterThanSixMonthsMember
1090 More than six months bur less than nine months Member sek:LaterThanSixMonthsAndNotLaterThanNineMonthsMember
1091 More than nine months Member sek:LaterThanNineMonthsMember
1092 Principal amount not past-due on such receivables Member ifrs-full:CurrentMember
1093 Past due receivables LineItems ifrs-full:DisclosureOfFinancialAssetsThatAreEitherPastDueOrImpairedLineItems
1094 Past-due receivables Concept (Monetary) As Of Debit sek:LoansAndReceivablesPastDue
1095 41001 - Disclosure - Taxes (Details) Network

*

*

 http://www.sek.se/role/DisclosureTaxesDetails
1096 Implied Table Table

*

*

 implied:Table
1097 Taxes Abstract ifrs-full:MajorComponentsOfTaxExpenseIncomeAbstract
1098 Adjustment previous year Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForCurrentTaxOfPriorPeriod
1099 Current tax Concept (Monetary) For Period Debit ifrs-full:CurrentTaxExpenseIncome
1100 Deferred tax Concept (Monetary) For Period ifrs-full:DeferredTaxExpenseIncomeRecognisedInProfitOrLoss
1101 Total tax expense (income) Concept (Monetary) For Period Debit ifrs-full:IncomeTaxExpenseContinuingOperations
1102 Income tax related to other comprehensive income Abstract ifrs-full:IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeAbstract
1103 Tax on items to be reclassified to profit or loss - Current tax Concept (Monetary) For Period Debit sek:CurrentTaxExpenseIncomeReclassifiedToProfitOrLoss
1104 Tax on items not to be reclassified to profit or loss - Current tax Concept (Monetary) For Period Debit sek:CurrentTaxExpenseIncomeNotToBeReclassifiedToProfitOrLoss
1105 Tax on items not to be reclassified to profit or loss - Deferred tax Concept (Monetary) For Period Debit sek:DeferredTaxExpenseIncomeNotToBeReclassifiedToProfitOrLoss
1106 Income tax related to other comprehensive income Concept (Monetary) For Period ifrs-full:IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome
1107 41002 - Disclosure - Taxes - Reconciliation of effective tax rate (Details) Network

*

*

 http://www.sek.se/role/DisclosureTaxesReconciliationOfEffectiveTaxRateDetails
1108 Implied Table Table

*

*

 implied:Table
1109 Taxes Abstract ifrs-full:MajorComponentsOfTaxExpenseIncomeAbstract
1110 Reconciliation of effective tax rate Abstract ifrs-full:ReconciliationOfAverageEffectiveTaxRateAndApplicableTaxRateAbstract
1111 The Swedish corporate tax rate, % Concept (Percent) For Period ifrs-full:ApplicableTaxRate
1112 Profit before taxes Concept (Monetary) For Period Credit ifrs-full:AccountingProfit
1113 National tax based on profit before taxes Concept (Monetary) For Period Debit ifrs-full:TaxExpenseIncomeAtApplicableTaxRate
1114 Tax effects of: Non-taxable income Concept (Monetary) For Period Credit ifrs-full:TaxEffectOfRevenuesExemptFromTaxation2011
1115 Tax effects of: Non-deductible expenses Concept (Monetary) For Period Debit ifrs-full:TaxEffectOfExpenseNotDeductibleInDeterminingTaxableProfitTaxLoss
1116 Tax effects of: Imputed interest on tax allocation reserve Concept (Monetary) For Period Debit sek:TaxEffectOfImputedInterestOnTaxAllocationReserve
1117 Tax effects of: Other Concept (Monetary) For Period Debit ifrs-full:OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome
1118 Total tax expense (income) Concept (Monetary) For Period Debit ifrs-full:IncomeTaxExpenseContinuingOperations
1119 Effective tax expense in % Concept (Percent) For Period ifrs-full:AverageEffectiveTaxRate
1120 41003 - Disclosure - Taxes -Deferred tax assets and liabilities (Details) Network

*

*

 http://www.sek.se/role/DisclosureTaxesDeferredTaxAssetsAndLiabilitiesDetails
1121 Disclosure of temporary difference, unused tax losses and unused tax credits [table] Table

*

*

 ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable
1122 Temporary difference, unused tax losses and unused tax credits [axis] Axis ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis
1123 Temporary difference, unused tax losses and unused tax credits [member] Member ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember
1124 Temporary differences [member] Member ifrs-full:TemporaryDifferenceMember
1125 Pensions Member ifrs-full:DefinedBenefitPlansMember
1126 Untaxed reserves Member sek:UntaxedReservesMember
1127 Deferred tax assets and liabilities net LineItems ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems
1128 Deferred tax assets Concept (Monetary) As Of Debit ifrs-full:DeferredTaxAssets
1129 Deferred tax liabilities Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilities
1130 Net deferred tax liabilities (+) / tax assets (-) Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilityAsset
1131 Deductible loss carry forwards Concept (Monetary) As Of ifrs-full:UnusedTaxLossesForWhichNoDeferredTaxAssetRecognised
1132 41004 - Disclosure - Taxes - Change in deferred taxes (Details) Network

*

*

 http://www.sek.se/role/DisclosureTaxesChangeInDeferredTaxesDetails
1133 Implied Table Table

*

*

 implied:Table
1134 Taxes Abstract ifrs-full:MajorComponentsOfTaxExpenseIncomeAbstract
1135 Change in deferred taxes Abstract ifrs-full:ChangesInDeferredTaxLiabilityAssetAbstract
1136 Opening balance Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilityAsset
1137 Change through profit or loss Concept (Monetary) For Period ifrs-full:DeferredTaxExpenseIncomeRecognisedInProfitOrLoss
1138 Change in other comprehensive income Concept (Monetary) For Period sek:DeferredIncomeTaxRelatingToComponentsOfOtherComprehensiveIncome
1139 Total Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilityAsset
1140 The Swedish corporate tax rate, % Concept (Percent) For Period ifrs-full:ApplicableTaxRate
1141 41101 - Disclosure - Loans and liquidity investments (Details) Network

*

*

 http://www.sek.se/role/DisclosureLoansAndLiquidityInvestmentsDetails
1142 Implied Table Table

*

*

 implied:Table
1143 Loans and liquidity investments. Abstract sek:LoansAndLiquidityPlacementsAbstract
1144 Loans: Abstract sek:LoanAbstract
1145 Loans in the form of interest-bearing securities Concept (Monetary) As Of Debit sek:LoansInFormOfInterestBearingSecurities
1146 Loans to credit institutions Concept (Monetary) As Of Debit ifrs-full:LoansAndAdvancesToBanks
1147 Loans to the public Concept (Monetary) As Of Debit ifrs-full:CorporateLoans
1148 Cash collateral under the security agreements for derivative contracts Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsPledgedAsCollateralForLiabilitiesOrContingentLiabilities
1149 Total loans Concept (Monetary) As Of Debit sek:Lending
1150 Liquidity investments: Abstract sek:LiquidityPlacementAbstract
1151 Cash and cash equivalents Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
1152 Cash collateral under the security agreements for derivative contracts Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsPledgedAsCollateralForLiabilitiesOrContingentLiabilities
1153 Treasuries/government bonds Concept (Monetary) As Of Debit ifrs-full:GovernmentDebtInstrumentsHeld
1154 Other interest-bearing securities except loans Concept (Monetary) As Of Debit ifrs-full:OtherDebtInstrumentsHeld
1155 Total liquidity investments Concept (Monetary) As Of Debit sek:FinancialAssetsHeldForLiquidityPlacements
1156 issued by public authorities Concept (Monetary) As Of Debit sek:FinancialAssetsHeldForLiquidityPlacementsIssuedByPublicAuthorities
1157 quoted on an exchange Concept (Monetary) As Of Debit sek:FinancialAssetsHeldForLiquidityPlacementsQuotedOnExchange
1158 41102 - Disclosure - Loans and liquidity investments - Difference between book value and amount required to be paid at maturity (Details) Network

*

*

 http://www.sek.se/role/DisclosureLoansAndLiquidityInvestmentsDifferenceBetweenBookValueAndAmountRequiredToBePaidAtMaturityDetails
1159 Implied Table Table

*

*

 implied:Table
1160 Loans and liquidity investments. Abstract sek:LoansAndLiquidityPlacementsAbstract
1161 Difference between book value and amount required to be paid at maturity Abstract ifrs-full:CategoriesOfFinancialAssetsAbstract
1162 Sum of amounts exceeding nominal Concept (Monetary) As Of Debit sek:InterestBearingSecuritiesExceedingNominalAmount
1163 Sum of amounts falling below nominal Concept (Monetary) As Of Credit sek:InterestBearingSecuritiesFallingBelowNominal
1164 41103 - Disclosure - Loans and liquidity investments - Volume Development, Lending (Details) Network

*

*

 http://www.sek.se/role/DisclosureLoansAndLiquidityInvestmentsVolumeDevelopmentLendingDetails
1165 Loans and Liquidity Placement [Table] Table

*

*

 sek:LoansAndLiquidityPlacementTable
1166 Classes of loans held [Axis] Axis sek:ClassesOfLoansHeldAxis
1167 Classes of loans held [Domain] Member sek:ClassesOfLoansHeldDomain
1168 CIRR-System Member sek:CirrSystemMember
1169 Loans and liquidity investments LineItems sek:LoansAndLiquidityPlacementsLineItems
1170 Volume Development, Lending Abstract sek:VolumeDevelopmentLendingAbstract
1171 Offers of long-term loans accepted during the year Concept (Monetary) As Of Debit sek:LongTermLoanOffersAccepted
1172 Undisbursed loans at year end Concept (Monetary) As Of Credit ifrs-full:GrossLoanCommitments
1173 Loans outstanding Concept (Monetary) As Of Debit sek:Lending
1174 Concessionary loans outstanding Concept (Monetary) As Of Credit sek:ConcessionaryLoansOutstanding
1175 41104 - Disclosure - Loans and liquidity investments - Outstanding loans as per business area (Details) Network

*

*

 http://www.sek.se/role/DisclosureLoansAndLiquidityInvestmentsOutstandingLoansAsPerBusinessAreaDetails
1176 Loans and Liquidity Placement [Table] Table

*

*

 sek:LoansAndLiquidityPlacementTable
1177 Products and services [axis] Axis ifrs-full:ProductsAndServicesAxis
1178 Products and services [member] Member ifrs-full:ProductsAndServicesMember
1179 Lending to Swedish exporters Member sek:LendingToSwedishExportersMember
1180 Lending to exporters' customers Member sek:LendingToExportersCustomersMember
1181 Classes of loans held [Axis] Axis sek:ClassesOfLoansHeldAxis
1182 Classes of loans held [Domain] Member sek:ClassesOfLoansHeldDomain
1183 CIRR-System Member sek:CirrSystemMember
1184 Loans and liquidity investments LineItems sek:LoansAndLiquidityPlacementsLineItems
1185 Outstanding loans as per product type Abstract ifrs-full:CategoriesOfFinancialAssetsAbstract
1186 Total loans Concept (Monetary) As Of Debit sek:Lending
1187 Concessionary loans outstanding Concept (Monetary) As Of Credit sek:ConcessionaryLoansOutstanding
1188 41201 - Disclosure - Classification of financial assets and liabilities - Financial assets (Details) Network

*

*

 http://www.sek.se/role/DisclosureClassificationOfFinancialAssetsAndLiabilitiesFinancialAssetsDetails
1189 Disclosure of financial assets [table] Table

*

*

 ifrs-full:DisclosureOfFinancialAssetsTable
1190 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
1191 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
1192 Cash and cash equivalents Member sek:CashAndCashEquivalentMember
1193 Treasuries/government bonds Member sek:TreasuriesAndGovernmentsBondsMember
1194 Other interest-bearing securities except loans Member sek:OtherInterestBearingSecuritiesExceptLoansMember
1195 Loans in the form of interest-bearing securities Member sek:LoansInFormOfInterestBearingSecuritiesMember
1196 Loans to credit institutions Member sek:LoansAndAdvancesToBanksMember
1197 Loans to the public Member ifrs-full:CorporateLoansMember
1198 Derivatives Member ifrs-full:DerivativesMember
1199 Disclosure of financial assets LineItems ifrs-full:DisclosureOfFinancialAssetsLineItems
1200 Financial assets at fair value through profit or loss Abstract ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossAbstract
1201 Mandatorily Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossMandatorilyMeasuredAtFairValue
1202 Derivatives used for hedge accounting Concept (Monetary) As Of Debit sek:FinancialAssetsAtFairValueThroughProfitOrLossDerivativesUsedForHedgeAccounting
1203 Held-for-trading Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading
1204 Designated upon initial recognition (FVO) Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossDesignatedAsUponInitialRecognition
1205 Derivatives used for hedge accounting Concept (Monetary) As Of Debit sek:DerivativesAssetsUsedForHedgeAccounting
1206 Available-for-sale Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAvailableforsale
1207 Loans and receivables Concept (Monetary) As Of Debit ifrs-full:LoansAndReceivables
1208 Amortized cost Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtAmortisedCost
1209 Total financial assets Concept (Monetary) As Of Debit ifrs-full:FinancialAssets
1210 41202 - Disclosure - Classification of financial assets and liabilities - Financial liabilities (Details) Network

*

*

 http://www.sek.se/role/DisclosureClassificationOfFinancialAssetsAndLiabilitiesFinancialLiabilitiesDetails
1211 Disclosure of financial liabilities [table] Table

*

*

 ifrs-full:DisclosureOfFinancialLiabilitiesTable
1212 Classes of financial liabilities [axis] Axis ifrs-full:ClassesOfFinancialLiabilitiesAxis
1213 Financial liabilities, class [member] Member ifrs-full:FinancialLiabilitiesMember
1214 Borrowing from credit institutions Member sek:BorrowingFromCreditInstitutionsMember
1215 Debt securities issued Member sek:SeniorSecuritiesIssuedMember
1216 Derivatives Member ifrs-full:DerivativesMember
1217 Subordinated securities issued Member sek:SubordinatedSecuritiesIssuedMember
1218 Disclosure of financial liabilities LineItems ifrs-full:DisclosureOfFinancialLiabilitiesLineItems
1219 Financial liabilities at fair value through profit or loss Abstract ifrs-full:FinancialLiabilitiesAtFairValueThroughProfitOrLossAbstract
1220 Mandatorily measured at fair value through profit or loss / Held-for-trading Concept (Monetary) As Of Credit ifrs-full:FinancialLiabilitiesAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading
1221 Designated upon initial recognition (FVO) Concept (Monetary) As Of Credit ifrs-full:FinancialLiabilitiesAtFairValueThroughProfitOrLossDesignatedAsUponInitialRecognition
1222 Derivatives used for hedge accounting Concept (Monetary) As Of Credit sek:FinancialLiabilitiesAtFairValueThroughProfitOrLossDerivativesUsedForHedgeAccounting
1223 Derivatives used for hedge accounting Concept (Monetary) As Of Credit sek:DerivativeLiabilityUsedForHedgeAccounting
1224 Amortized cost / Other financial liabilities Concept (Monetary) As Of Credit ifrs-full:FinancialLiabilitiesAtAmortisedCost
1225 Total financial liabilities Concept (Monetary) As Of Credit ifrs-full:FinancialLiabilities
1226 41301 - Disclosure - Financial assets and liabilities at fair value (Details) Network

*

*

 http://www.sek.se/role/DisclosureFinancialAssetsAndLiabilitiesAtFairValueDetails
1227 Disclosure of detailed information about financial instruments [table] Table

*

*

 ifrs-full:DisclosureOfFinancialInstrumentsTable
1228 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
1229 Financial assets Member ifrs-full:FinancialAssetsMember
1230 Cash and cash equivalents Member sek:CashAndCashEquivalentMember
1231 Treasuries/government bonds Member sek:TreasuriesAndGovernmentsBondsMember
1232 Other interest-bearing securities except loans Member sek:OtherInterestBearingSecuritiesExceptLoansMember
1233 Loans in the form of interest-bearing securities Member sek:LoansInFormOfInterestBearingSecuritiesMember
1234 Loans to credit institutions Member sek:LoansAndAdvancesToBanksMember
1235 Loans to the public Member ifrs-full:CorporateLoansMember
1236 Derivatives Member ifrs-full:DerivativesMember
1237 Classes of financial liabilities [axis] Axis ifrs-full:ClassesOfFinancialLiabilitiesAxis
1238 Financial liabilities, class [member] Member ifrs-full:FinancialLiabilitiesMember
1239 Borrowing from credit institutions Member sek:BorrowingFromCreditInstitutionsMember
1240 Debt securities issued Member sek:SeniorSecuritiesIssuedMember
1241 Derivatives Member ifrs-full:DerivativesMember
1242 Subordinated securities issued Member sek:SubordinatedSecuritiesIssuedMember
1243 Disclosure of detailed information about financial instruments LineItems ifrs-full:DisclosureOfFinancialInstrumentsLineItems
1244 Book value of financial assets Concept (Monetary) As Of Debit ifrs-full:FinancialAssets
1245 Book value of financial liabilities Concept (Monetary) As Of Credit ifrs-full:FinancialLiabilities
1246 Fair value of financial assets Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValue
1247 Fair value of financial liabilities Concept (Monetary) As Of Credit ifrs-full:FinancialLiabilitiesAtFairValue
1248 Surplus value (+) /Deficit value (-), financial assets Concept (Monetary) As Of Debit sek:SurplusDeficitComparingFairValueToCarryingValueOfFinancialAssets
1249 Surplus value (+) /Deficit value (-) financial liabilities Concept (Monetary) As Of Credit sek:SurplusDeficitComparingFairValueToCarryingValueOfFinancialLiabilities
1250 41302 - Disclosure - Financial assets and liabilities at fair value - Financial assets & liabilities reported at amortized cost in fair value hierarchy (Details) Network

*

*

 http://www.sek.se/role/DisclosureFinancialAssetsAndLiabilitiesAtFairValueFinancialAssetsLiabilitiesReportedAtAmortizedCostInFairValueHierarchyDetails
1251 Disclosure of detailed information about financial instruments [table] Table

*

*

 ifrs-full:DisclosureOfFinancialInstrumentsTable
1252 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
1253 Financial assets Member ifrs-full:FinancialAssetsMember
1254 Cash and cash equivalents Member sek:CashAndCashEquivalentMember
1255 Loans in the form of interest-bearing securities Member sek:LoansInFormOfInterestBearingSecuritiesMember
1256 Loans to credit institutions Member sek:LoansAndAdvancesToBanksMember
1257 Loans to the public Member ifrs-full:CorporateLoansMember
1258 Classes of financial liabilities [axis] Axis ifrs-full:ClassesOfFinancialLiabilitiesAxis
1259 Financial liabilities, class [member] Member ifrs-full:FinancialLiabilitiesMember
1260 Borrowing from credit institutions Member sek:BorrowingFromCreditInstitutionsMember
1261 Debt securities issued Member sek:SeniorSecuritiesIssuedMember
1262 Subordinated securities issued Member sek:SubordinatedSecuritiesIssuedMember
1263 Categories of financial assets [axis] Axis ifrs-full:CategoriesOfFinancialAssetsAxis
1264 Financial assets, category [member] Member ifrs-full:FinancialAssetsCategoryMember
1265 Financial assets at amortized cost Member ifrs-full:FinancialAssetsAtAmortisedCostCategoryMember
1266 Categories of financial liabilities [axis] Axis ifrs-full:CategoriesOfFinancialLiabilitiesAxis
1267 Financial liabilities, category [member] Member ifrs-full:FinancialLiabilitiesCategoryMember
1268 Financial liabilities at amortized cost / Other financial liabilities Member ifrs-full:FinancialLiabilitiesAtAmortisedCostCategoryMember
1269 Levels of fair value hierarchy [axis] Axis ifrs-full:LevelsOfFairValueHierarchyAxis
1270 All levels of fair value hierarchy [member] Member ifrs-full:AllLevelsOfFairValueHierarchyMember
1271 Level 1 Member ifrs-full:Level1OfFairValueHierarchyMember
1272 Level 2 Member ifrs-full:Level2OfFairValueHierarchyMember
1273 Level 3 Member ifrs-full:Level3OfFairValueHierarchyMember
1274 Disclosure of detailed information about financial instruments LineItems ifrs-full:DisclosureOfFinancialInstrumentsLineItems
1275 Fair value of financial assets Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValue
1276 Book value of financial assets Concept (Monetary) As Of Debit ifrs-full:FinancialAssets
1277 Fair value of financial liabilities Concept (Monetary) As Of Credit ifrs-full:FinancialLiabilitiesAtFairValue
1278 Book value of financial liabilities Concept (Monetary) As Of Credit ifrs-full:FinancialLiabilities
1279 41303 - Disclosure - Financial assets and liabilities at fair value - Financial assets & liabilities reported at fair value in fair value hierarchy (Details) Network

*

*

 http://www.sek.se/role/DisclosureFinancialAssetsAndLiabilitiesAtFairValueFinancialAssetsLiabilitiesReportedAtFairValueInFairValueHierarchyDetails
1280 Disclosure of detailed information about financial instruments [table] Table

*

*

 ifrs-full:DisclosureOfFinancialInstrumentsTable
1281 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
1282 Financial assets Member ifrs-full:FinancialAssetsMember
1283 Treasuries/government bonds Member sek:TreasuriesAndGovernmentsBondsMember
1284 Other interest-bearing securities except loans Member sek:OtherInterestBearingSecuritiesExceptLoansMember
1285 Derivatives Member ifrs-full:DerivativesMember
1286 Classes of financial liabilities [axis] Axis ifrs-full:ClassesOfFinancialLiabilitiesAxis
1287 Financial liabilities, class [member] Member ifrs-full:FinancialLiabilitiesMember
1288 Debt securities issued Member sek:SeniorSecuritiesIssuedMember
1289 Derivatives Member ifrs-full:DerivativesMember
1290 Categories of financial assets [axis] Axis ifrs-full:CategoriesOfFinancialAssetsAxis
1291 Financial assets, category [member] Member ifrs-full:FinancialAssetsCategoryMember
1292 Financial assets at fair value through profit or loss Member ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember
1293 Available-for-sale assets Member ifrs-full:FinancialAssetsAvailableforsaleCategoryMember
1294 Categories of financial liabilities [axis] Axis ifrs-full:CategoriesOfFinancialLiabilitiesAxis
1295 Financial liabilities, category [member] Member ifrs-full:FinancialLiabilitiesCategoryMember
1296 Financial liabilities at fair value through profit or loss Member ifrs-full:FinancialLiabilitiesAtFairValueThroughProfitOrLossCategoryMember
1297 Levels of fair value hierarchy [axis] Axis ifrs-full:LevelsOfFairValueHierarchyAxis
1298 All levels of fair value hierarchy [member] Member ifrs-full:AllLevelsOfFairValueHierarchyMember
1299 Level 1 Member ifrs-full:Level1OfFairValueHierarchyMember
1300 Level 2 Member ifrs-full:Level2OfFairValueHierarchyMember
1301 Level 3 Member ifrs-full:Level3OfFairValueHierarchyMember
1302 Disclosure of detailed information about financial instruments LineItems ifrs-full:DisclosureOfFinancialInstrumentsLineItems
1303 Financial assets at fair value Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValue
1304 Financial liabilities at fair value Concept (Monetary) As Of Credit ifrs-full:FinancialLiabilitiesAtFairValue
1305 41304 - Disclosure - Financial assets and liabilities at fair value - Transfers made between both assets and liabilities (Details) Network

*

*

 http://www.sek.se/role/DisclosureFinancialAssetsAndLiabilitiesAtFairValueTransfersMadeBetweenBothAssetsAndLiabilitiesDetails
1306 Implied Table Table

*

*

 implied:Table
1307 Financial assets and liabilities at fair value Abstract ifrs-full:DisclosureOfFinancialInstrumentsAbstract
1308 Transfer from Level 1 to 2 of financial assets Concept (Monetary) For Period ifrs-full:TransfersOutOfLevel1IntoLevel2OfFairValueHierarchyAssets
1309 Transfer from Level 2 to 1 of financial assets Concept (Monetary) For Period ifrs-full:TransfersOutOfLevel2IntoLevel1OfFairValueHierarchyAssets
1310 Transfer from Level 1 to 2 of financial liabilities Concept (Monetary) For Period ifrs-full:TransfersOutOfLevel1IntoLevel2OfFairValueHierarchyLiabilities
1311 Transfer from Level 2 to 1 of financial liabilities Concept (Monetary) For Period ifrs-full:TransfersOutOfLevel2IntoLevel1OfFairValueHierarchyLiabilities
1312 Transfers Into Level 3 of financial assets Concept (Monetary) For Period Debit ifrs-full:TransfersIntoLevel3OfFairValueHierarchyAssets
1313 Transfers Out of Level 3 of financial assets Concept (Monetary) For Period Credit ifrs-full:TransfersOutOfLevel3OfFairValueHierarchyAssets
1314 Transfers Into Level 3 of financial liabilities Concept (Monetary) For Period Credit ifrs-full:TransfersIntoLevel3OfFairValueHierarchyLiabilities
1315 Transfers Out of Level 3 of financial liabilities Concept (Monetary) For Period Debit ifrs-full:TransfersOutOfLevel3OfFairValueHierarchyLiabilities
1316 Transfers between level 2 and level 3 Concept (Monetary) For Period Credit sek:TransfersIntoOutOfLevel3OfFairValueHierarchyNetLiabilities
1317 41305 - Disclosure - Financial assets and liabilities at fair value - Financial assets and liabilities at fair value in level 3 (Details) Network

*

*

 http://www.sek.se/role/DisclosureFinancialAssetsAndLiabilitiesAtFairValueFinancialAssetsAndLiabilitiesAtFairValueInLevel3Details
1318 Disclosure of detailed information about financial instruments [table] Table

*

*

 ifrs-full:DisclosureOfFinancialInstrumentsTable
1319 Classes of assets [axis] Axis ifrs-full:ClassesOfAssetsAxis
1320 Assets [member] Member ifrs-full:ClassesOfAssetsMember
1321 Other interest-bearing securities except loans Member sek:OtherInterestBearingSecuritiesExceptLoansMember
1322 Classes of liabilities [axis] Axis ifrs-full:ClassesOfLiabilitiesAxis
1323 Liabilities [member] Member ifrs-full:LiabilitiesMember
1324 Debt securities issued Member sek:SeniorSecuritiesIssuedMember
1325 Derivatives Member ifrs-full:DerivativesMember
1326 Levels of fair value hierarchy [axis] Axis ifrs-full:LevelsOfFairValueHierarchyAxis
1327 All levels of fair value hierarchy [member] Member ifrs-full:AllLevelsOfFairValueHierarchyMember
1328 Level 3 Member ifrs-full:Level3OfFairValueHierarchyMember
1329 Disclosure of detailed information about financial instruments LineItems ifrs-full:DisclosureOfFinancialInstrumentsLineItems
1330 Reconciliation of changes in fair value measurement, assets Abstract ifrs-full:ReconciliationOfChangesInFairValueMeasurementAssetsAbstract
1331 Financial assets at beginning of period Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValue
1332 Settlements & sales Concept (Monetary) For Period Credit sek:SettlementsAndSalesFairValueMeasurementAssets
1333 Transfers to level 3 Concept (Monetary) For Period Debit ifrs-full:TransfersIntoLevel3OfFairValueHierarchyAssets
1334 Transfers from level 3 Concept (Monetary) For Period Credit ifrs-full:TransfersOutOfLevel3OfFairValueHierarchyAssets
1335 Gains (+) and losses (-) through profit or loss Concept (Monetary) For Period ifrs-full:GainsLossesRecognisedInProfitOrLossFairValueMeasurementAssets
1336 Currency exchange-rate effects assets Concept (Monetary) For Period Debit sek:GainsLossesRecognisedInProfitOrLossFairValueMeasurementCurrencyExchangeRateEffectsAssets
1337 Financial assets at end of period Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValue
1338 Reconciliation of changes in fair value measurement, liabilities Abstract ifrs-full:ReconciliationOfChangesInFairValueMeasurementLiabilitiesAbstract
1339 Financial liabilities at beginning of period Concept (Monetary) As Of Credit ifrs-full:FinancialLiabilitiesAtFairValue
1340 Purchases Concept (Monetary) For Period Credit ifrs-full:PurchasesFairValueMeasurementLiabilities
1341 Settlements & sales Concept (Monetary) For Period Debit sek:SettlementsAndSalesFairValueMeasurementLiabilities
1342 Transfers to level 3 Concept (Monetary) For Period Credit ifrs-full:TransfersIntoLevel3OfFairValueHierarchyLiabilities
1343 Transfers from level 3 Concept (Monetary) For Period Debit ifrs-full:TransfersOutOfLevel3OfFairValueHierarchyLiabilities
1344 Gains (+) and losses (-) through profit or loss Concept (Monetary) For Period ifrs-full:GainsLossesRecognisedInProfitOrLossFairValueMeasurementLiabilities
1345 Gains (+) and losses (-) in other comprehensive income Concept (Monetary) For Period ifrs-full:GainsLossesRecognisedInOtherComprehensiveIncomeFairValueMeasurementLiabilities
1346 Currency exchange-rate effects liabilities Concept (Monetary) For Period Credit sek:GainsLossesRecognisedInProfitOrLossFairValueMeasurementCurrencyExchangeRateEffectsLiabilities
1347 Financial liabilities at end of period Concept (Monetary) As Of Credit ifrs-full:FinancialLiabilitiesAtFairValue
1348 Financial assets and liabilities at fair value in level 3 Abstract sek:ReconciliationOfChangesInFairValueMeasurementAssetsLiabilitiesNetAbstract
1349 Financial assets and liabilities at fair value in level 3, at the beginning of period Concept (Monetary) As Of Debit ifrs-full:NetAssetsLiabilities
1350 Purchases Concept (Monetary) For Period Debit sek:PurchasesFairValueMeasurementNetAssetsLiabilities
1351 Settlements & sales Concept (Monetary) For Period Credit sek:SettlementsAndSalesFairValueMeasurementNetAssetsLiabilities
1352 Transfers to level 3 Concept (Monetary) For Period Debit sek:TransferIntoLevel3OfFairValueHierarchyNetAssetsLiabilities
1353 Transfers from level 3 Concept (Monetary) For Period Credit sek:TransferOutOfLevel3OfFairValueHierarchyNetAssetsLiabilities
1354 Gains (+) and losses (-) through profit or loss Concept (Monetary) For Period Credit sek:GainLossesRecognisedInProfitOrLossFairValueMeasurementNetAssetsLiabilities
1355 Gains (+) and losses (-) in other comprehensive income Concept (Monetary) For Period Credit sek:GainLossesRecognisedInOtherComprehensiveIncomeFairValueMeasurementNetAssetsLiabilities
1356 Currency exchange-rate effects assets and liabilities Concept (Monetary) For Period Debit sek:GainsLossesRecognisedInProfitOrLossFairValueMeasurementCurrencyExchangeRateEffectsNetAssetsLiabilities
1357 Financial assets and liabilities at fair value in level 3, at the end of period Concept (Monetary) As Of Debit ifrs-full:NetAssetsLiabilities
1358 Unrealized fair value changes Concept (Monetary) For Period Credit sek:GainsLossesRecognisedInProfitOrLossAttributableToChangeInUnrealisedGainsOrLossesForAssetsAndLiabilitiesHeldAtEndOfPeriodFairValueMeasurement
1359 41306 - Disclosure - Financial assets and liabilities at fair value - Assets and liabilities Sensitivity analysis - level 3 (Details) Network

*

*

 http://www.sek.se/role/DisclosureFinancialAssetsAndLiabilitiesAtFairValueAssetsAndLiabilitiesSensitivityAnalysisLevel3Details
1360 Disclosure of significant unobservable inputs used in fair value measurement of assets [table] Table

*

*

 ifrs-full:DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfAssetsTable
1361 Levels of fair value hierarchy [axis] Axis ifrs-full:LevelsOfFairValueHierarchyAxis
1362 All levels of fair value hierarchy [member] Member ifrs-full:AllLevelsOfFairValueHierarchyMember
1363 Level 3 Member ifrs-full:Level3OfFairValueHierarchyMember
1364 Classes of liabilities [axis] Axis ifrs-full:ClassesOfLiabilitiesAxis
1365 Liabilities [member] Member ifrs-full:LiabilitiesMember
1366 Derivatives Member ifrs-full:DerivativesMember
1367 Debt securities issued Member sek:SeniorSecuritiesIssuedMember
1368 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
1369 Risks [member] Member ifrs-full:TypesOfRisksMember
1370 Equity risk Member ifrs-full:EquityPriceRiskMember
1371 Interest rate Member ifrs-full:InterestRateRiskMember
1372 Currency risk Member ifrs-full:CurrencyRiskMember
1373 Other Member ifrs-full:OtherPriceRiskMember
1374 Valuation techniques used in fair value measurement [axis] Axis ifrs-full:ValuationTechniquesUsedInFairValueMeasurementAxis
1375 Valuation techniques [member] Member ifrs-full:ValuationTechniquesMember
1376 Discounted cash flow Member ifrs-full:DiscountedCashFlowMember
1377 Option Model Member ifrs-full:OptionPricingModelMember
1378 Types of contracts [axis] Axis ifrs-full:TypesOfContractsAxis
1379 Types of contracts [member] Member ifrs-full:TypesOfContractsMember
1380 Own credit spread Member sek:CreditSpreadMember
1381 Range [axis] Axis ifrs-full:RangeAxis
1382 Ranges [member] Member ifrs-full:RangesMember
1383 Maximum Member ifrs-full:TopOfRangeMember
1384 Minimum Member ifrs-full:BottomOfRangeMember
1385 Disclosure of significant unobservable inputs used in fair value measurement of assets LineItems ifrs-full:DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfAssetsLineItems
1386 Sensitivity, interest rate appreciation basis points Concept (Pure) For Period sek:SensitivityInterestRateSignificantUnobservableInputsAppreciationBasis
1387 Sensitivity, interest rate depreciation basis points Concept (Pure) For Period sek:SensitivityInterestRateSignificantUnobservableInputsDepreciationBasis
1388 Sensitivity, correlations appreciation Concept (Percent) For Period sek:SensitivityCorrelationsSignificantUnobservableInputsAppreciationPercentagePoints
1389 Sensitivity, correlations depreciation Concept (Percent) For Period sek:SensitivityCorrelationsSignificantUnobservableInputsDepreciationPercentagePoints
1390 Sensitivity, credit spreads appreciation basis points Concept (Pure) For Period sek:SensitivityCreditSpreadsSignificantUnobservableInputsAppreciationBasisPoints
1391 Sensitivity, credit spreads depreciation basis points Concept (Pure) For Period sek:SensitivityCreditSpreadsSignificantUnobservableInputsDepreciationBasisPoints
1392 Correlation assets or liabilities Concept (Pure) For Period sek:CorrelationSignificantUnobservableInputsAssetsLiabilitiesNet
1393 Credit spreads liabilities (in basis points) Concept (Pure) For Period sek:CreditSpreadsSignificantUnobservableInputsAssetsLiabilitiesNet
1394 Sensitivity impact on total comprehensive income Concept (Monetary) For Period Credit sek:IncreaseDecreaseInTotalComprehensiveIncomeResultingFromSensitivityAnalysis
1395 Financial liabilities at fair value Concept (Monetary) As Of Credit ifrs-full:FinancialLiabilitiesAtFairValue
1396 Net assets (liabilities) Concept (Monetary) As Of Debit ifrs-full:NetAssetsLiabilities
1397 Shift in interval for correlation Concept (Pure) For Period sek:ShiftInIntervalForCorrelation
1398 Sensitivity, correlations maximum positive relationship Concept (Pure) For Period sek:SensitivityCorrelationsSignificantUnobservableInputsMaximumPositiveRelationship
1399 Sensitivity, correlations maximum negative relationship Concept (Pure) For Period sek:SensitivityCorrelationsSignificantUnobservableInputsMaximumNegativeRelationship
1400 41307 - Disclosure - Financial assets and liabilities at fair value - Fair value related to credit risk (Details) Network

*

*

 http://www.sek.se/role/DisclosureFinancialAssetsAndLiabilitiesAtFairValueFairValueRelatedToCreditRiskDetails
1401 Disclosure of credit risk exposure [table] Table

*

*

 ifrs-full:DisclosureOfCreditRiskExposureTable
1402 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
1403 Risks [member] Member ifrs-full:TypesOfRisksMember
1404 Credit risk Member ifrs-full:CreditRiskMember
1405 CVA/DVA, net Member sek:NetCreditValueAdjustmentAndDebtValueAdjustmentMember
1406 OCA Member sek:OwnCreditAdjustmentMember
1407 Disclosure of credit risk exposure LineItems ifrs-full:DisclosureOfCreditRiskExposureLineItems
1408 Fair value related to credit risk Abstract ifrs-full:DisclosureOfCreditRiskExposureAbstract
1409 Fair value originating from credit risk (- liabilities increase/ + liabilities decrease) Concept (Monetary) As Of Credit ifrs-full:AccumulatedChangesInFairValueOfFinancialLiabilityAttributableToChangesInCreditRiskOfLiability
1410 The period's change in fair value originating from credit risk (+ income/ - loss) Concept (Monetary) For Period Credit ifrs-full:ChangesInFairValueOfFinancialLiabilityAttributableToChangesInCreditRiskOfLiability
1411 41401 - Disclosure - Derivatives and hedge accounting - Categories (Details) Network

*

*

 http://www.sek.se/role/DisclosureDerivativesAndHedgeAccountingCategoriesDetails
1412 Disclosure of detailed information about financial instruments [table] Table

*

*

 ifrs-full:DisclosureOfFinancialInstrumentsTable
1413 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
1414 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
1415 Interest rate-related contracts Member sek:InterestRateRelatedContractsMember
1416 Currency-related contracts Member sek:CurrencyRelatedContractsMember
1417 Equity-related contracts Member sek:EquityRelatedContractsMember
1418 Contracts related to commodities, credit risk, etc. Member sek:CommoditiesRiskCreditRiskAndOtherRiskContractsMember
1419 Assets and liabilities [axis] Axis ifrs-full:AssetsAndLiabilitiesAxis
1420 Assets and liabilities [member] Member ifrs-full:AssetsAndLiabilitiesMember
1421 Derivatives Member ifrs-full:DerivativesMember
1422 Types of hedges [axis] Axis ifrs-full:TypesOfHedgesAxis
1423 Hedges [member] Member ifrs-full:TypesOfHedgesMember
1424 Economic hedges Member sek:EconomicHedgesMember
1425 Hedge accounting Member sek:HedgesUnderHedgeAccountingMember
1426 Fair-value hedges Member ifrs-full:FairValueHedgesMember
1427 Sub-classifications of financial information LineItems ifrs-full:DisclosureOfFinancialInstrumentsLineItems
1428 Assets Fair value Concept (Monetary) As Of Debit ifrs-full:DerivativeFinancialAssets
1429 Liabilities Fair value Concept (Monetary) As Of Credit ifrs-full:DerivativeFinancialLiabilities
1430 Nominal amounts Concept (Monetary) As Of ifrs-full:NotionalAmount
1431 41402 - Disclosure - Derivatives and hedge accounting - Maturity analysis (Details) Network

*

*

 http://www.sek.se/role/DisclosureDerivativesAndHedgeAccountingMaturityAnalysisDetails
1432 Disclosure of maturity analysis for derivative financial liabilities [table] Table

*

*

 ifrs-full:DisclosureOfMaturityAnalysisForDerivativeFinancialLiabilitiesTable
1433 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
1434 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
1435 Interest rate-related contracts Member sek:InterestRateRelatedContractsMember
1436 Currency-related contracts Member sek:CurrencyRelatedContractsMember
1437 Hedging instruments [axis] Axis ifrs-full:HedgingInstrumentsAxis
1438 Hedging instrument Member ifrs-full:HedgingInstrumentsMember
1439 Hedge of fixed rate assets Member sek:HedgeOfFixedRateAssetsMember
1440 Hedge of fixed rate liabilities Member sek:HedgeOfFixedRateLiabilitiesMember
1441 Types of hedges [axis] Axis ifrs-full:TypesOfHedgesAxis
1442 Hedges [member] Member ifrs-full:TypesOfHedgesMember
1443 Fair-value hedges Member ifrs-full:FairValueHedgesMember
1444 Maturity [axis] Axis ifrs-full:MaturityAxis
1445 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
1446 Not later than one month Member ifrs-full:NotLaterThanOneMonthMember
1447 Later than one month and not later than three months Member ifrs-full:LaterThanOneMonthAndNotLaterThanThreeMonthsMember
1448 Later than three months and not later than one year Member ifrs-full:LaterThanThreeMonthsAndNotLaterThanOneYearMember
1449 Between 1 and 5 years Member ifrs-full:LaterThanOneYearAndNotLaterThanFiveYearsMember
1450 More than 5 years Member ifrs-full:LaterThanFiveYearsMember
1451 Derivatives used as fair-value hedge LineItems ifrs-full:DisclosureOfMaturityAnalysisForDerivativeFinancialLiabilitiesLineItems
1452 Nominal amount of hedging instrument Concept (Decimal) As Of ifrs-full:NominalAmountOfHedgingInstrument
1453 Cash inflows (assets) Concept (Monetary) As Of Debit sek:DerivativeFinancialAssetsUndiscountedCashInflows
1454 Cash outflows (liabilities) Concept (Monetary) As Of Credit sek:DerivativeFinancialLiabilitiesUndiscountedCashOutflows
1455 Net cash inflows Concept (Monetary) As Of Debit sek:DerivativeFinancialAssetsLiabilitiesUndiscountedNetCashInflows
1456 41403 - Disclosure - Derivatives and hedge accounting - Carrying amount of hedged items in fair value hedges (Details) Network

*

*

 http://www.sek.se/role/DisclosureDerivativesAndHedgeAccountingCarryingAmountOfHedgedItemsInFairValueHedgesDetails
1457 Disclosure of detailed information about hedged items [table] Table

*

*

 ifrs-full:DisclosureOfDetailedInformationAboutHedgedItemsTable
1458 Types of hedges [axis] Axis ifrs-full:TypesOfHedgesAxis
1459 Hedges [member] Member ifrs-full:TypesOfHedgesMember
1460 Fair-value hedges Member ifrs-full:FairValueHedgesMember
1461 Hedged items [axis] Axis ifrs-full:HedgedItemsAxis
1462 Hedged item Member ifrs-full:HedgedItemsMember
1463 Loans in the form of interest-bearing securities Member sek:LoansInFormOfInterestBearingSecuritiesMember
1464 Loans to credit institutions Member sek:LoansAndAdvancesToBanksMember
1465 Loans to the public Member ifrs-full:CorporateLoansMember
1466 Debt securities issued Member sek:SeniorSecuritiesIssuedMember
1467 Carrying amounts of hedge items LineItems ifrs-full:DisclosureOfDetailedInformationAboutHedgedItemsLineItems
1468 Book value assets Concept (Monetary) As Of Debit ifrs-full:HedgedItemAssets
1469 Fair value hedge adjustments, assets Concept (Monetary) As Of Debit ifrs-full:AccumulatedFairValueHedgeAdjustmentOnHedgedItemIncludedInCarryingAmountAssets
1470 Book value liabilities Concept (Monetary) As Of Credit ifrs-full:HedgedItemLiabilities
1471 Fair value hedge adjustments, liabilities Concept (Monetary) As Of Credit ifrs-full:AccumulatedFairValueHedgeAdjustmentOnHedgedItemIncludedInCarryingAmountLiabilities
1472 41404 - Disclosure - Derivatives and hedge accounting - Cash-flow hedges reclassified to profit or loss (Details) Network

*

*

 http://www.sek.se/role/DisclosureDerivativesAndHedgeAccountingCashFlowHedgesReclassifiedToProfitOrLossDetails
1473 Disclosure of maturity analysis for derivative financial liabilities [table] Table

*

*

 ifrs-full:DisclosureOfMaturityAnalysisForDerivativeFinancialLiabilitiesTable
1474 Types of hedges [axis] Axis ifrs-full:TypesOfHedgesAxis
1475 Hedges [member] Member ifrs-full:TypesOfHedgesMember
1476 Cash-flow hedges Member ifrs-full:CashFlowHedgesMember
1477 Derivatives used as fair-value hedge LineItems ifrs-full:DisclosureOfMaturityAnalysisForDerivativeFinancialLiabilitiesLineItems
1478 Cash-flow hedges reclassified to profit or loss during the year Abstract ifrs-full:InterestIncomeAndInterestExpenseForFinancialAssetsOrFinancialLiabilitiesNotAtFairValueThroughProfitOrLossAbstract
1479 Interest income Concept (Monetary) For Period Debit sek:ReclassificationAdjustmentsOnCashFlowHedgesBeforeTaxIncludedInInterestIncome
1480 Total Concept (Monetary) For Period Debit ifrs-full:ReclassificationAdjustmentsOnCashFlowHedgesBeforeTax
1481 41405 - Disclosure - Derivatives and hedge accounting - Offsetting (Details) Network

*

*

 http://www.sek.se/role/DisclosureDerivativesAndHedgeAccountingOffsettingDetails
1482 Implied Table Table

*

*

 implied:Table
1483 Derivatives and hedge accounting Abstract ifrs-full:DisclosureOfDetailedInformationAboutHedgingInstrumentsAbstract
1484 Financial assets subject to offsetting, enforceable master netting arrangements and similar agreements Abstract ifrs-full:NetFinancialAssetsSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreementsAbstract
1485 Gross amounts of recognized financial assets Concept (Monetary) As Of Debit ifrs-full:GrossFinancialAssetsSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements
1486 Amounts offset in the statement of financial position Concept (Monetary) As Of Credit ifrs-full:GrossFinancialLiabilitiesSetOffAgainstFinancialAssetsSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements
1487 Net amounts of financial assets presented in the statement of financial position Concept (Monetary) As Of Debit ifrs-full:NetFinancialAssetsSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreementsInStatementOfFinancialPosition
1488 Amounts subject to an enforceable master netting arrangement or similar agreement not offset in the statement of financial position related to: Abstract ifrs-full:AmountsSubjectToEnforceableMasterNettingArrangementOrSimilarAgreementNotSetOffAgainstFinancialAssetsAbstract
1489 Financial instruments Concept (Monetary) As Of Credit ifrs-full:FinancialInstrumentsSubjectToEnforceableMasterNettingArrangementOrSimilarAgreementNotSetOffAgainstFinancialAssets
1490 Cash collateral received Concept (Monetary) As Of Credit ifrs-full:CashCollateralReceivedSubjectToEnforceableMasterNettingArrangementOrSimilarAgreementNotSetOffAgainstFinancialAssets
1491 Net amount Concept (Monetary) As Of Debit ifrs-full:NetFinancialAssetsSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements
1492 Financial liabilities subject to offsetting, enforceable master netting arrangements and similar agreements Abstract ifrs-full:NetFinancialLiabilitiesSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreementsAbstract
1493 Gross amounts of recognized financial liabilities Concept (Monetary) As Of Credit ifrs-full:GrossFinancialLiabilitiesSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements
1494 Amounts offset in the statement of financial position Concept (Monetary) As Of Debit ifrs-full:GrossFinancialAssetsSetOffAgainstFinancialLiabilitiesSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements
1495 Net amounts of financial liabilities presented in the statement of financial position Concept (Monetary) As Of Credit ifrs-full:NetFinancialLiabilitiesSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreementsInStatementOfFinancialPosition
1496 Amounts subject to an enforceable master netting arrangement or similar agreement not offset in the statement of financial position related to: Abstract ifrs-full:AmountsSubjectToEnforceableMasterNettingArrangementOrSimilarAgreementNotSetOffAgainstFinancialLiabilitiesAbstract
1497 Financial instruments Concept (Monetary) As Of Debit ifrs-full:FinancialInstrumentsSubjectToEnforceableMasterNettingArrangementOrSimilarAgreementNotSetOffAgainstFinancialLiabilities
1498 Cash collateral paid Concept (Monetary) As Of Debit ifrs-full:CashCollateralPledgedSubjectToEnforceableMasterNettingArrangementOrSimilarAgreementNotSetOffAgainstFinancialLiabilities
1499 Net amount Concept (Monetary) As Of Credit ifrs-full:NetFinancialLiabilitiesSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements
1500 41501 - Disclosure - Shares (Details) Network

*

*

 http://www.sek.se/role/DisclosureSharesDetails
1501 Disclosure of subsidiaries [table] Table

*

*

 ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesTable
1502 Subsidiaries [axis] Axis ifrs-full:SignificantInvestmentsInSubsidiariesAxis
1503 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
1504 Venantius AB Member sek:VenantiusAbMember
1505 SEKETT AB Member sek:SekettAbMember
1506 Shares LineItems ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesLineItems
1507 Losses on wind down of subsidiary Concept (Monetary) For Period Debit ifrs-full:LossesOnDisposalsOfInvestments
1508 Net profit for the year Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
1509 Dividends to parent company Concept (Monetary) For Period Debit ifrs-full:DividendsRecognisedAsDistributionsToOwnersOfParent
1510 Share capital Concept (Monetary) As Of Credit ifrs-full:IssuedCapital
1511 Book value Concept (Monetary) As Of Debit ifrs-full:InvestmentsInSubsidiaries
1512 Number of shares Concept (Shares) As Of ifrs-full:NumberOfSharesIssued
1513 41601 - Disclosure - Other assets (Details) Network

*

*

 http://www.sek.se/role/DisclosureOtherAssetsDetails
1514 Implied Table Table

*

*

 implied:Table
1515 Other assets. Abstract sek:OtherAssetAbstract
1516 Claim against the State for CIRR loans and concessionary loans Concept (Monetary) As Of Debit sek:ClaimAgainstStateForCIRRLoansAndConcessionaryLoans
1517 Cash receivables, funding operations Concept (Monetary) As Of Debit sek:CashReceivablesFundingOperations
1518 Other Concept (Monetary) As Of Debit sek:AssetsOther
1519 Total Concept (Monetary) As Of Debit ifrs-full:OtherAssets
1520 41701 - Disclosure - Prepaid expenses and accrued revenues (Details) Network

*

*

 http://www.sek.se/role/DisclosurePrepaidExpensesAndAccruedRevenuesDetails
1521 Implied Table Table

*

*

 implied:Table
1522 Prepaid expenses and accrued revenues Abstract ifrs-full:PrepaymentsAndAccruedIncomeAbstract
1523 Interest income accrued Concept (Monetary) As Of Debit ifrs-full:AccruedIncome
1524 Prepaid expenses and other accrued revenues Concept (Monetary) As Of Debit ifrs-full:Prepayments
1525 Total Concept (Monetary) As Of Debit ifrs-full:PrepaymentsAndAccruedIncome
1526 41801 - Disclosure - Debt (Details) Network

*

*

 http://www.sek.se/role/DisclosureDebtDetails
1527 Disclosure of detailed information about borrowings [table] Table

*

*

 ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable
1528 Borrowings by name [axis] Axis ifrs-full:BorrowingsByNameAxis
1529 Borrowings by name [member] Member ifrs-full:BorrowingsByNameMember
1530 Exchange-rate related contracts Member sek:DebtExchangeRateRelatedContractsMember
1531 Interest rate related contracts Member sek:DebtInterestRateRelatedContractsMember
1532 Equity related contracts Member sek:DebtEquityRelatedContractsMember
1533 Contracts related to raw materials, credit risk etc Member sek:DebtContractsRelatedToRawMaterialsCreditRiskMember
1534 Currency [Axis] Axis srt:CurrencyAxis
1535 All Currencies [Domain] Member currency:AllCurrenciesDomain
1536 SKR Member currency:SEK
1537 USD Member currency:USD
1538 JPY Member currency:JPY
1539 EUR Member currency:EUR
1540 Other Member sek:OtherCurrenciesMember
1541 Debt LineItems ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems
1542 Total debt excluding debt securities issued Concept (Monetary) As Of Credit sek:BorrowingsFromCreditInstitutions
1543 Total debt securities issued Concept (Monetary) As Of Credit sek:SeniorSecuritiesIssued
1544 Total Concept (Monetary) As Of Credit ifrs-full:Borrowings
1545 41802 - Disclosure - Debt - Major borrowing programs (Details) Network

*

*

 http://www.sek.se/role/DisclosureDebtMajorBorrowingProgramsDetails
1546 Disclosure of detailed information about borrowings [table] Table

*

*

 ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable
1547 Borrowings by name [axis] Axis ifrs-full:BorrowingsByNameAxis
1548 Borrowings by name [member] Member ifrs-full:BorrowingsByNameMember
1549 Unlimited Euro Medium-Term Note Programme Member sek:UnlimitedEuroMediumTermNoteProgrammeMember
1550 Unlimited SEC-registered U.S. Medium-Term Note Programme Member sek:UnlimitedSecRegisteredU.s.MediumTermNoteProgrammeMember
1551 Unlimited Swedish Medium-Term Note Programme Member sek:UnlimitedSwedishMediumTermNoteProgrammeMember
1552 Unlimited MTN/STN AUD Debt Issuance Programme Member sek:UnlimitedMtnStnAudDebtIssuanceProgrammeMember
1553 USD 3,000,000,000 U.S. Commercial Paper Programme Member sek:U.s.CommercialPaperProgrammeMember
1554 USD 4,000,000,000 Euro-Commercial Paper Programme Member sek:EuroCommercialPaperProgrammeMember
1555 Debt LineItems ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems
1556 Value outstanding Concept (Monetary) As Of Credit sek:BorrowingsAmortisedCost
1557 Principal amount Concept (Monetary) As Of ifrs-full:NotionalAmount
1558 41803 - Disclosure - Debt - Liabilities in financing activities (Details) Network

*

*

 http://www.sek.se/role/DisclosureDebtLiabilitiesInFinancingActivitiesDetails
1559 Disclosure of reconciliation of liabilities arising from financing activities [table] Table

*

*

 ifrs-full:DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesTable
1560 Liabilities arising from financing activities [axis] Axis ifrs-full:LiabilitiesArisingFromFinancingActivitiesAxis
1561 Liabilities arising from financing activities [member] Member ifrs-full:LiabilitiesArisingFromFinancingActivitiesMember
1562 Senior debt Member sek:SeniorDebtMember
1563 Subordinated securities issued Member sek:SubordinatedSecuritiesIssuedMember
1564 Derivatives Member ifrs-full:DerivativesMember
1565 Debt LineItems ifrs-full:DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesLineItems
1566 Liabilities in financing activities Abstract ifrs-full:DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesAbstract
1567 Liabilities in financing activities at beginning of year Concept (Monetary) As Of Credit ifrs-full:LiabilitiesArisingFromFinancingActivities
1568 Changes in liabilities arising from financing activities Abstract ifrs-full:ChangesInLiabilitiesArisingFromFinancingActivitiesAbstract
1569 Cash flow Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughFinancingCashFlowsLiabilitiesArisingFromFinancingActivities
1570 Exchange-rate difference Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughEffectOfChangesInForeignExchangeRatesLiabilitiesArisingFromFinancingActivities
1571 Unrealized changes in fair value Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughChangesInFairValuesLiabilitiesArisingFromFinancingActivities
1572 Liabilities in financing activities at end of year Concept (Monetary) As Of Credit ifrs-full:LiabilitiesArisingFromFinancingActivities
1573 41901 - Disclosure - Other liabilities (Details) Network

*

*

 http://www.sek.se/role/DisclosureOtherLiabilitiesDetails
1574 Implied Table Table

*

*

 implied:Table
1575 Other liabilities Abstract ifrs-full:MiscellaneousLiabilitiesAbstract
1576 Cash payables, debt purchases Concept (Monetary) As Of Credit ifrs-full:TradeAndOtherPayables
1577 Other Concept (Monetary) As Of Credit sek:OtherLiabilitiesOther
1578 Total Concept (Monetary) As Of Credit ifrs-full:OtherLiabilities
1579 42001 - Disclosure - Accrued expenses and prepaid revenues (Details) Network

*

*

 http://www.sek.se/role/DisclosureAccruedExpensesAndPrepaidRevenuesDetails
1580 Implied Table Table

*

*

 implied:Table
1581 Accrued expenses and prepaid revenues. Abstract sek:AccruedExpensesAndPrepaidRevenuesAbstract
1582 Interest expenses accrued Concept (Monetary) As Of Credit ifrs-full:InterestPayable
1583 Other accrued expenses and prepaid revenues Concept (Monetary) As Of Credit sek:OtherAccruedExpensesAndPrepaidRevenues
1584 Total Concept (Monetary) As Of Credit ifrs-full:AccrualsAndDeferredIncome
1585 42101 - Disclosure - Provisions (Details) Network

*

*

 http://www.sek.se/role/DisclosureProvisionsDetails
1586 Implied Table Table

*

*

 implied:Table
1587 Provisions Abstract ifrs-full:ProvisionsAbstract
1588 Pension liabilities (see Note 5) Concept (Monetary) As Of Credit ifrs-full:LiabilityAssetOfDefinedBenefitPlans
1589 Long term employee benefit Concept (Monetary) As Of Credit sek:LongTermEmployeeBenefit
1590 Off balance, expected credit losses Concept (Monetary) As Of Credit sek:ExpectedCreditLossesOnOffBalanceSheetItems
1591 Termination reserve Concept (Monetary) As Of Credit sek:TerminationReserve
1592 Total Concept (Monetary) As Of Credit ifrs-full:Provisions
1593 42201 - Disclosure - Subordinated debt securities (Details) Network

*

*

 http://www.sek.se/role/DisclosureSubordinatedDebtSecuritiesDetails
1594 Disclosure of detailed information about borrowings [table] Table

*

*

 ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable
1595 Borrowings by name [axis] Axis ifrs-full:BorrowingsByNameAxis
1596 Borrowings by name [member] Member ifrs-full:BorrowingsByNameMember
1597 Resettable Dated Subordinated Instruments Member sek:ResettableDatedSubordinatedInstrumentsMember
1598 Types of interest rates [axis] Axis ifrs-full:TypesOfInterestRatesAxis
1599 Interest rate types [member] Member ifrs-full:InterestRateTypesMember
1600 Fixed interest rate Member ifrs-full:FixedInterestRateMember
1601 Currency [Axis] Axis srt:CurrencyAxis
1602 All Currencies [Domain] Member currency:AllCurrenciesDomain
1603 Foreign currencies Member sek:ForeignCurrenciesMember
1604 Subordinated debt securities LineItems ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems
1605 Subordinated liabilities Concept (Monetary) As Of Credit ifrs-full:SubordinatedLiabilities
1606 Interest expense Concept (Monetary) For Period Debit ifrs-full:InterestExpenseOnBorrowings
1607 Interest expenses accrued Concept (Monetary) As Of Credit ifrs-full:InterestPayable
1608 Redemption of subordinated liabilities Concept (Monetary) For Period Debit sek:RedemptionOfSubordinatedLiabilities
1609 42301 - Disclosure - Equity - Components of Equity (Details) Network

*

*

 http://www.sek.se/role/DisclosureEquityComponentsOfEquityDetails
1610 Implied Table Table

*

*

 implied:Table
1611 Equity Abstract ifrs-full:EquityAbstract
1612 Share capital Concept (Monetary) As Of Credit ifrs-full:IssuedCapital
1613 Reserves Abstract ifrs-full:OtherReservesAbstract
1614 Hedge reserve Concept (Monetary) As Of Credit ifrs-full:ReserveOfCashFlowHedges
1615 Fair value reserve Concept (Monetary) As Of Credit ifrs-full:ReserveOfGainsAndLossesOnRemeasuringAvailableforsaleFinancialAssets
1616 Own credit risk Concept (Monetary) As Of Credit ifrs-full:ReserveOfChangeInFairValueOfFinancialLiabilityAttributableToChangeInCreditRiskOfLiability
1617 Defined benefit plans Concept (Monetary) As Of Credit ifrs-full:ReserveOfRemeasurementsOfDefinedBenefitPlans
1618 Retained earnings Concept (Monetary) As Of Credit ifrs-full:RetainedEarnings
1619 Total equity Concept (Monetary) As Of Credit ifrs-full:Equity
1620 Total number of shares Concept (Shares) As Of ifrs-full:NumberOfSharesOutstanding
1621 Quota value Concept (Share) As Of ifrs-full:ParValuePerShare
1622 42302 - Disclosure - Equity - Restricted and unrestricted equity (Details) Network

*

*

 http://www.sek.se/role/DisclosureEquityRestrictedAndUnrestrictedEquityDetails
1623 Statement of changes in equity [table] Table

*

*

 ifrs-full:StatementOfChangesInEquityTable
1624 Components of equity [axis] Axis ifrs-full:ComponentsOfEquityAxis
1625 Equity [member] Member ifrs-full:EquityMember
1626 Restricted equity Member sek:RestrictedEquityMember
1627 Unrestricted equity Member sek:UnrestrictedEquityMember
1628 Distributable and non-distributable capital LineItems ifrs-full:StatementOfChangesInEquityLineItems
1629 Equity Concept (Monetary) As Of Credit ifrs-full:Equity
1630 42303 - Disclosure - Equity - Proposal for distribution of profits (Details) Network

*

*

 http://www.sek.se/role/DisclosureEquityProposalForDistributionOfProfitsDetails
1631 Implied Table Table

*

*

 implied:Table
1632 Equity Abstract ifrs-full:EquityAbstract
1633 Profit at the disposal of the annual general meeting Concept (Monetary) As Of Credit sek:ProfitAvailableForDistributionAtDisposalOfAnnualGeneralMeeting
1634 Proposed dividends Concept (Monetary) For Period ifrs-full:DividendsProposedOrDeclaredBeforeFinancialStatementsAuthorisedForIssueButNotRecognisedAsDistributionToOwners
1635 Remaining disposable funds to be carried forward Concept (Monetary) As Of Credit sek:RemainingDisposableFundsToBeCarriedForward
1636 Proposed dividends per share Concept (Share) For Period ifrs-full:DividendsProposedOrDeclaredBeforeFinancialStatementsAuthorisedForIssueButNotRecognisedAsDistributionToOwnersPerShare
1637 42401 - Disclosure - Pledged assets and contingent liabilities (Details) Network

*

*

 http://www.sek.se/role/DisclosurePledgedAssetsAndContingentLiabilitiesDetails
1638 Implied Table Table

*

*

 implied:Table
1639 Pledged assets and contingent liabilities Abstract sek:PledgedAssetsAndContingentLiabilitiesAbstract
1640 Collateral provided Abstract sek:CollateralProvidedAbstract
1641 Cash collateral under the security agreements for derivative contracts Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsPledgedAsCollateralForLiabilitiesOrContingentLiabilities
1642 Contingent liabilities Abstract ifrs-full:DisclosureOfContingentLiabilitiesAbstract
1643 Guarantee commitments Concept (Monetary) As Of ifrs-full:EstimatedFinancialEffectOfContingentLiabilities
1644 Commitments Abstract ifrs-full:CapitalCommitmentsAbstract
1645 Committed undisbursed loans Concept (Monetary) As Of Credit ifrs-full:GrossLoanCommitments
1646 Binding offers Concept (Monetary) As Of Credit ifrs-full:ContractualCapitalCommitments
1647 42501 - Disclosure - CIRR-system - Subclassifications of financial information (Details) Network

*

*

 http://www.sek.se/role/DisclosureCirrSystemSubclassificationsOfFinancialInformationDetails
1648 Disclosure of detailed information about financial instruments [table] Table

*

*

 ifrs-full:DisclosureOfFinancialInstrumentsTable
1649 Classes of loans held [Axis] Axis sek:ClassesOfLoansHeldAxis
1650 Classes of loans held [Domain] Member sek:ClassesOfLoansHeldDomain
1651 CIRR-System Member sek:CirrSystemMember
1652 Sub-classifications of financial information LineItems ifrs-full:DisclosureOfFinancialInstrumentsLineItems
1653 Concessionary loans outstanding Concept (Monetary) As Of Credit sek:ConcessionaryLoansOutstanding
1654 Result of previous concessionary credit program Concept (Monetary) For Period Credit sek:NetIncome
1655 Administrative remuneration for concessionary loans Concept (Monetary) For Period Debit sek:AdministrativeRemuneration
1656 Comprehensive income Abstract ifrs-full:AnalysisOfIncomeAndExpenseAbstract
1657 Interest income Concept (Monetary) For Period Credit ifrs-full:RevenueFromInterest
1658 Interest expenses Concept (Monetary) For Period Debit ifrs-full:InterestExpense
1659 Net interest income Concept (Monetary) For Period Credit ifrs-full:InterestRevenueExpense
1660 Interest compensation Concept (Monetary) For Period Credit sek:InterestCompensation
1661 Foreign exchange effects Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss
1662 Profit before compensation to SEK Concept (Monetary) For Period Credit sek:ProfitLossFromContinuingOperationsBeforeRemunerationToParentCompanyAndReimbursementExpenses
1663 Administrative remuneration to SEK Concept (Monetary) For Period Debit sek:RemunerationPaid
1664 Operating profit CIRR-system Concept (Monetary) For Period Credit sek:ProfitLossFromContinuingOperationsBeforeReimbursementExpenses
1665 Reimbursement to (-) / from (+) the State Concept (Monetary) For Period Debit sek:ReimbursementExpenses
1666 Financial position for CIRR-system Abstract ifrs-full:SubclassificationsOfAssetsLiabilitiesAndEquitiesAbstract
1667 Cash and cash equivalents Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
1668 Loans Concept (Monetary) As Of Debit ifrs-full:LoansAndAdvancesToCustomers
1669 Derivatives Concept (Monetary) As Of Debit ifrs-full:DerivativeFinancialAssets
1670 Other assets Concept (Monetary) As Of Debit ifrs-full:OtherAssets
1671 Prepaid expenses and accrued revenues Concept (Monetary) As Of Debit ifrs-full:PrepaymentsAndAccruedIncome
1672 Total assets Concept (Monetary) As Of Debit ifrs-full:Assets
1673 Liabilities Concept (Monetary) As Of Credit sek:LiabilitiesExcludingDerivativesAndAccruedExpensesAndPrepaidRevenues
1674 Derivatives Concept (Monetary) As Of Credit ifrs-full:DerivativeFinancialLiabilities
1675 Accrued expenses and prepaid revenues Concept (Monetary) As Of Credit ifrs-full:AccrualsAndDeferredIncome
1676 Total liabilities and equity Concept (Monetary) As Of Credit ifrs-full:EquityAndLiabilities
1677 Committed undisbursed loans Concept (Monetary) As Of Credit ifrs-full:GrossLoanCommitments
1678 Binding offers Concept (Monetary) As Of Credit ifrs-full:ContractualCapitalCommitments
1679 42601 - Disclosure - Capital adequacy - Capital adequacy (Details) Network

*

*

 http://www.sek.se/role/DisclosureCapitalAdequacyCapitalAdequacyDetails
1680 Disclosure of objectives, policies and processes for managing capital [table] Table

*

*

 ifrs-full:DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalTable
1681 Consolidated and separate financial statements [axis] Axis ifrs-full:ConsolidatedAndSeparateFinancialStatementsAxis
1682 Consolidated [member] Member ifrs-full:ConsolidatedMember
1683 Parent Company Member ifrs-full:SeparateMember
1684 Capital adequacy LineItems ifrs-full:DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalLineItems
1685 Common Equity Tier 1 ratio Concept (Percent) As Of sek:CommonEquityTierOneRatio
1686 Tier 1 capital ratio Concept (Percent) As Of sek:TierOneCapitalRatio
1687 Total capital ratio Concept (Percent) As Of sek:CapitalRatio
1688 Institution specific Common Equity Tier 1 capital requirement incl. of buffers Concept (Percent) As Of sek:InstitutionSpecificCommonEquityTierOneCapitalRatio
1689 Institution specific Common Equity Tier 1 capital requirement incl. of buffers, of which Common Equity Tier 1 capital requirement Concept (Percent) As Of sek:InstitutionSpecificCommonEquityTierOneCapitalRatioCommonEquityTierOneCapitalRequirement
1690 Institution specific Common Equity Tier 1 capital requirement incl. of buffers, of which capital conservation buffer Concept (Percent) As Of sek:InstitutionSpecificCommonEquityTierOneCapitalRatioCapitalConservationBuffer
1691 Institution specific Common Equity Tier 1 capital requirement incl. of buffers, of which countercyclical buffer Concept (Percent) As Of sek:InstitutionSpecificCommonEquityTierOneCapitalRatioCountercyclicalBuffer
1692 Common Equity Tier 1 capital available as a buffer Concept (Percent) As Of sek:InstitutionSpecificCommonEquityTierOneCapitalRatioAfterBufferRequirement
1693 Total capital ratio according to Basel I-floor Concept (Percent) As Of sek:CapitalToRiskWeightedAssetsAccordingToBaselOneFloor
1694 Minimum requirement of Common Equity Tier 1 capital Concept (Percent) As Of sek:CommonEquityTierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets
1695 Minimum requirement of Tier 1 capital Concept (Percent) As Of sek:TierOneRiskBasedCapitalForMinimumReservesToRiskWeightedAssets
1696 Minimum requirement of total Own Funds Concept (Percent) As Of sek:CapitalRequiredForMinimumReservesToRiskWeightedAssets
1697 Addition to Common Equity Tier 1 capital ratio Concept (Percent) As Of sek:ExtensionOfCommonEquityTier1CapitalRatio
1698 42602 - Disclosure - Capital adequacy - Own funds (Details) Network

*

*

 http://www.sek.se/role/DisclosureCapitalAdequacyOwnFundsDetails
1699 Disclosure of objectives, policies and processes for managing capital [table] Table

*

*

 ifrs-full:DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalTable
1700 Components of equity [axis] Axis ifrs-full:ComponentsOfEquityAxis
1701 Equity [member] Member ifrs-full:EquityMember
1702 Share capital Member ifrs-full:IssuedCapitalMember
1703 Retained earnings Member ifrs-full:RetainedEarningsMember
1704 Accumulated other comprehensive income and other reserves Member ifrs-full:AccumulatedOtherComprehensiveIncomeMember
1705 Independently reviewed profit net of any foreseeable charge or dividend Member sek:IndependentlyReviewedProfitNetOfAnyForeseeableChargeOrDividendMember
1706 Additional value adjustments due to prudent valuation Member sek:ReserveOfAdditionalValueAdjustmentsDueToPrudentValuationMember
1707 Intangible assets Member sek:ReserveOfIntangibleAssetsMember
1708 Hedge reserve Member ifrs-full:ReserveOfCashFlowHedgesMember
1709 Own Credit risk Member ifrs-full:ReserveOfChangeInFairValueOfFinancialLiabilityAttributableToChangeInCreditRiskOfLiabilityMember
1710 Negative amounts resulting from the calculation of expected loss amounts Member sek:NegativeAmountsResultingFromCalculationOfExpectedLossAmountsMember
1711 Consolidated and separate financial statements [axis] Axis ifrs-full:ConsolidatedAndSeparateFinancialStatementsAxis
1712 Consolidated [member] Member ifrs-full:ConsolidatedMember
1713 Parent Company Member ifrs-full:SeparateMember
1714 Risk weighted asset calculation methodology [axis] Axis sek:RiskWeightedAssetCalculationMethodologyAxis
1715 Risk Weighted Asset Calculation Methodology [Domain] Member sek:RiskWeightedAssetCalculationMethodologyDomain
1716 IRB approach Member sek:AdvancedApproachesMember
1717 Disclosure of objectives, policies and processes for managing capital LineItems ifrs-full:DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalLineItems
1718 Common Equity Tier 1 (CET1) capital before regulatory adjustments Concept (Monetary) As Of Credit sek:CommonEquityTierOneCapitalBeforeRegulatoryAdjustments
1719 Total regulatory adjustments to Common Equity Tier 1 capital Concept (Monetary) As Of Credit sek:RegulatoryAdjustmentsToCommonEquityTierOneCapital
1720 Total Common Equity Tier-1 capital Concept (Monetary) As Of Credit sek:CommonEquityTierOneCapitalAmount
1721 Total Tier-1 capital Concept (Monetary) As Of Credit sek:TierOneCapital
1722 Tier 2-eligible subordinated debt Concept (Monetary) As Of Credit sek:TierTwoEligibleSubordinatedDebt
1723 Total Tier 2 capital Concept (Monetary) As Of Credit sek:TierTwoCapital
1724 Own funds Concept (Monetary) As Of Credit sek:CapitalRequirementFunds
1725 Total Own funds according to Basel I floor Concept (Monetary) As Of Credit sek:CapitalAccordingToBaselOneFloor
1726 Threshold percentage to increase own funds Concept (Percent) As Of sek:ThresholdPercentageToIncreaseOwnFunds
1727 42603 - Disclosure - Capital adequacy - Minimum capital requirements exclusive of buffers (Details) Network

*

*

 http://www.sek.se/role/DisclosureCapitalAdequacyMinimumCapitalRequirementsExclusiveOfBuffersDetails
1728 Disclosure of credit risk exposure [table] Table

*

*

 ifrs-full:DisclosureOfCreditRiskExposureTable
1729 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
1730 Risks [member] Member ifrs-full:TypesOfRisksMember
1731 Credit risk Member ifrs-full:CreditRiskMember
1732 Counterparty risk in derivatives Member sek:CreditRiskInDerivativesMember
1733 Specialized lending Member sek:CreditRiskInSpecializedLendingMember
1734 Credit valuation adjustment risk Member sek:CreditValuationAdjustmentRiskMember
1735 Currency risk Member ifrs-full:CurrencyRiskMember
1736 Commodities risk Member ifrs-full:CommodityPriceRiskMember
1737 Operational risk Member sek:OperationalRiskMember
1738 Risk weighted asset calculation methodology [axis] Axis sek:RiskWeightedAssetCalculationMethodologyAxis
1739 Risk Weighted Asset Calculation Methodology [Domain] Member sek:RiskWeightedAssetCalculationMethodologyDomain
1740 Standardized approach Member sek:StandardizedApproachCalculationMember
1741 IRB approach Member sek:AdvancedApproachesMember
1742 Counterparties [axis] Axis ifrs-full:CounterpartiesAxis
1743 Counterparties [member] Member ifrs-full:CounterpartiesMember
1744 Central governments Member sek:CentralGovernmentsMember
1745 Financial institutions Member sek:FinancialInstitutionsMember
1746 Corporates Member sek:CorporatesInstrumentsMember
1747 Non-credit-obligation assets Member sek:NonCreditObligationAssetsMember
1748 Disclosure of credit risk exposure LineItems ifrs-full:DisclosureOfCreditRiskExposureLineItems
1749 EAD Concept (Monetary) As Of Credit sek:ExposureAtDefault
1750 Risk exposure amount Concept (Monetary) As Of Credit sek:RiskExposureAmount
1751 Minimum capital requirements Concept (Monetary) As Of Credit sek:MinimumCapitalRequirements
1752 Risk exposure amount adjustment according to Basel I floor Concept (Monetary) As Of Credit sek:RiskExposureAmountAdjustmentAccordingToBaselIFloor
1753 Minimum capital requirement adjustment according to Basel I floor Concept (Monetary) As Of Credit sek:MinimumCapitalRequirementAdjustmentAccordingToBaselIFloor
1754 Total risk exposure amount including Basel I floor Concept (Monetary) As Of Credit sek:TotalRiskExposureAmountIncludingBaselIFloor
1755 Total minimum capital requirement including Basel I floor Concept (Monetary) As Of Credit sek:TotalMinimumCapitalRequirementIncludingBaselIFloor
1756 42604 - Disclosure - Capital adequacy - Credit risk by PD grade (Details) Network

*

*

 http://www.sek.se/role/DisclosureCapitalAdequacyCreditRiskByPdGradeDetails
1757 Disclosure of credit risk exposure [table] Table

*

*

 ifrs-full:DisclosureOfCreditRiskExposureTable
1758 Range [axis] Axis ifrs-full:RangeAxis
1759 Ranges [member] Member ifrs-full:RangesMember
1760 Minimum Member ifrs-full:BottomOfRangeMember
1761 Maximum Member ifrs-full:TopOfRangeMember
1762 Average Member ifrs-full:WeightedAverageMember
1763 Risk weighted asset calculation methodology [axis] Axis sek:RiskWeightedAssetCalculationMethodologyAxis
1764 Risk Weighted Asset Calculation Methodology [Domain] Member sek:RiskWeightedAssetCalculationMethodologyDomain
1765 Standardized approach Member sek:StandardizedApproachCalculationMember
1766 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
1767 Risks [member] Member ifrs-full:TypesOfRisksMember
1768 Operational risk Member sek:OperationalRiskMember
1769 Geographical areas [axis] Axis ifrs-full:GeographicalAreasAxis
1770 Geographical areas [member] Member ifrs-full:GeographicalAreasMember
1771 Sweden Member ifrs-full:CountryOfDomicileMember
1772 Foreign countries Member ifrs-full:ForeignCountriesMember
1773 Probability of default [axis] Axis ifrs-full:ProbabilityOfDefaultAxis
1774 Entity's total for probability of default [member] Member ifrs-full:EntitysTotalForProbabilityOfDefaultMember
1775 AAA to AA- Member sek:ProbabilityOfDefaultGradeAaaToAaMinusMember
1776 A+ to A- Member sek:ProbabilityOfDefaultGradeAplusToAminusMember
1777 BBB+ to BBB- Member sek:ProbabilityOfDefaultGradeBbbPlusToBbbMinusMember
1778 BB+ to B- Member sek:ProbabilityOfDefaultGradeBbPlusToBminusMember
1779 CCC to D Member sek:ProbabilityOfDefaultGradeCccToDMember
1780 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
1781 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
1782 Central governments Member sek:CentralGovernmentsMember
1783 Financial institutions and corporates Member sek:FinancialInstitutionsAndCorporatesMember
1784 Financial institutions Member sek:FinancialInstitutionsMember
1785 Corporates Member sek:CorporatesInstrumentsMember
1786 Disclosure of credit risk exposure LineItems ifrs-full:DisclosureOfCreditRiskExposureLineItems
1787 EAD Concept (Monetary) As Of Credit sek:ExposureAtDefault
1788 PD in % Concept (Percent) As Of sek:ProbabilityOfDefaultAsPercentage
1789 Average LGD in % Concept (Percent) As Of sek:LossGivenDefaultAsPercentage
1790 Average risk weight in % Concept (Percent) As Of sek:RiskWeightAsPercentage
1791 Capital requirement multiple factor Concept (Percent) As Of sek:CapitalRequirementMultipleFactor
1792 Fiscal years for each business area to calculate income indicators Concept (xbrli:durationItemType) For Period sek:FiscalYearsToCalculateIncomeIndicators
1793 Countercyclical buffer Concept (Percent) As Of sek:InstitutionSpecificCommonEquityTierOneCapitalRatioCountercyclicalBuffer
1794 Capital requirement exposure Concept (Percent) As Of sek:CapitalRequirementExposure
1795 42605 - Disclosure - Capital adequacy - Leverage ratio (Details) Network

*

*

 http://www.sek.se/role/DisclosureCapitalAdequacyLeverageRatioDetails
1796 Implied Table Table

*

*

 implied:Table
1797 Capital adequacy. Abstract sek:DisclosureOfRegulatoryCapitalRequirementsUnderBankingRegulationsAbstract
1798 On-balance sheet exposures Concept (Monetary) As Of Debit sek:OnbalanceSheetExposuresForLeverageRatio
1799 Off-balance sheet exposures Concept (Monetary) As Of Debit sek:OffbalanceSheetExposuresForLeverageRatio
1800 Total exposure measure Concept (Monetary) As Of Debit sek:TotalExposureMeasuresForLeverageRatio
1801 Leverage ratio Concept (Percent) As Of sek:TierOneLeverageRatio
1802 42606 - Disclosure - Capital adequacy - Internally assessed economic capital excl. buffer (Details) Network

*

*

 http://www.sek.se/role/DisclosureCapitalAdequacyInternallyAssessedEconomicCapitalExclBufferDetails
1803 Disclosure of credit risk exposure [table] Table

*

*

 ifrs-full:DisclosureOfCreditRiskExposureTable
1804 Internal credit grades [axis] Axis ifrs-full:InternalCreditGradesAxis
1805 Entity's total for internal credit grades [member] Member ifrs-full:EntitysTotalForInternalCreditGradesMember
1806 Internal credit grades Member ifrs-full:InternalCreditGradesMember
1807 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
1808 Risks [member] Member ifrs-full:TypesOfRisksMember
1809 Credit risk Member ifrs-full:CreditRiskMember
1810 Operational risk Member sek:OperationalRiskMember
1811 Market risk Member ifrs-full:MarketRiskMember
1812 Other Member ifrs-full:OtherPriceRiskMember
1813 Capital planning buffer Member sek:CapitalPlanningBufferRiskMember
1814 Disclosure of credit risk exposure LineItems ifrs-full:DisclosureOfCreditRiskExposureLineItems
1815 Capital requirements Concept (Monetary) As Of Credit sek:CapitalRequirementFunds
1816 42701 - Disclosure - Risk information - Maximum exposure to credit risk (Details) Network

*

*

 http://www.sek.se/role/DisclosureRiskInformationMaximumExposureToCreditRiskDetails
1817 Disclosure of credit risk exposure [table] Table

*

*

 ifrs-full:DisclosureOfCreditRiskExposureTable
1818 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
1819 Financial assets Member ifrs-full:FinancialAssetsMember
1820 Cash and cash equivalents Member sek:CashAndCashEquivalentMember
1821 Treasuries/government bonds Member sek:TreasuriesAndGovernmentsBondsMember
1822 Other interest-bearing securities except loans Member sek:OtherInterestBearingSecuritiesExceptLoansMember
1823 Loans in the form of interest-bearing securities Member sek:LoansInFormOfInterestBearingSecuritiesMember
1824 Loans to credit institutions Member sek:LoansAndAdvancesToBanksMember
1825 Loans to the public Member ifrs-full:CorporateLoansMember
1826 Derivatives Member ifrs-full:DerivativesMember
1827 Categories of financial assets [axis] Axis ifrs-full:CategoriesOfFinancialAssetsAxis
1828 Financial assets, category [member] Member ifrs-full:FinancialAssetsCategoryMember
1829 Financial assets at fair value through profit or loss Member ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember
1830 Financial assets at amortized cost Member ifrs-full:FinancialAssetsAtAmortisedCostCategoryMember
1831 Available-for-sale assets Member ifrs-full:FinancialAssetsAvailableforsaleCategoryMember
1832 Loans and receivable Member ifrs-full:LoansAndReceivablesCategoryMember
1833 Risk information LineItems ifrs-full:DisclosureOfCreditRiskExposureLineItems
1834 Risk weight for standardized approach when no external rating is available Concept (Percent) As Of sek:RiskWeightForStandardizedApproachWhenNoExternalRatingIsAvailable
1835 Maximum exposure to credit risk Concept (Monetary) As Of ifrs-full:MaximumExposureToCreditRisk
1836 42702 - Disclosure - Risk information - Credit exposure (Details) Network

*

*

 http://www.sek.se/role/DisclosureRiskInformationCreditExposureDetails
1837 Disclosure of credit risk exposure [table] Table

*

*

 ifrs-full:DisclosureOfCreditRiskExposureTable
1838 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
1839 Financial assets Member ifrs-full:FinancialAssetsMember
1840 Cash and cash equivalents Member sek:CashAndCashEquivalentMember
1841 Treasuries/government bonds Member sek:TreasuriesAndGovernmentsBondsMember
1842 Other interest-bearing securities except loans Member sek:OtherInterestBearingSecuritiesExceptLoansMember
1843 Loans in the form of interest-bearing securities Member sek:LoansInFormOfInterestBearingSecuritiesMember
1844 Loans to credit institutions Member sek:LoansAndAdvancesToBanksMember
1845 Loans to the public Member ifrs-full:CorporateLoansMember
1846 Derivatives Member ifrs-full:DerivativesMember
1847 External credit grades [axis] Axis ifrs-full:ExternalCreditGradesAxis
1848 Entity's total for external credit grades [member] Member ifrs-full:EntitysTotalForExternalCreditGradesMember
1849 External credit grades Member ifrs-full:ExternalCreditGradesMember
1850 AAA Member sek:CreditRatingAaaRatingMember
1851 AA+ to A- Member sek:CreditRatingAaPlusToAminusRatingMember
1852 BBB+ to BBB- Member sek:CreditRatingBBBPlusToBBBMinusRatingMember
1853 BB+ to B- Member sek:CreditRatingBBPlusToBMinusRatingMember
1854 CCC to D Member sek:CreditRatingCCCToDRatingMember
1855 Risk information LineItems ifrs-full:DisclosureOfCreditRiskExposureLineItems
1856 Financial assets. Concept (Monetary) As Of Debit ifrs-full:FinancialAssets
1857 Committed undisbursed loans Concept (Monetary) As Of Credit ifrs-full:GrossLoanCommitments
1858 42703 - Disclosure - Risk information - Net exposure (Details) Network

*

*

 http://www.sek.se/role/DisclosureRiskInformationNetExposureDetails
1859 Disclosure of detailed information about financial instruments [table] Table

*

*

 ifrs-full:DisclosureOfFinancialInstrumentsTable
1860 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
1861 Risks [member] Member ifrs-full:TypesOfRisksMember
1862 Credit risk Member ifrs-full:CreditRiskMember
1863 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
1864 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
1865 Financial assets Member ifrs-full:FinancialAssetsMember
1866 Cash and cash equivalents Member sek:CashAndCashEquivalentMember
1867 Treasuries/government bonds Member sek:TreasuriesAndGovernmentsBondsMember
1868 Other interest-bearing securities except loans Member sek:OtherInterestBearingSecuritiesExceptLoansMember
1869 Loans in the form of interest-bearing securities Member sek:LoansInFormOfInterestBearingSecuritiesMember
1870 Loans to credit institutions Member sek:LoansAndAdvancesToBanksMember
1871 Loans to the public Member ifrs-full:CorporateLoansMember
1872 Derivatives Member ifrs-full:DerivativesMember
1873 Other assets Member ifrs-full:OtherAssetsMember
1874 Contingent liabilities and commitments Member sek:ContingentLiabilitiesAndCommitmentsMember
1875 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
1876 Financial assets Member ifrs-full:FinancialAssetsMember
1877 Cash and cash equivalents Member sek:CashAndCashEquivalentMember
1878 Treasuries/government bonds Member sek:TreasuriesAndGovernmentsBondsMember
1879 Other interest-bearing securities except loans Member sek:OtherInterestBearingSecuritiesExceptLoansMember
1880 Loans in the form of interest-bearing securities Member sek:LoansInFormOfInterestBearingSecuritiesMember
1881 Loans to credit institutions Member sek:LoansAndAdvancesToBanksMember
1882 Loans to the public Member ifrs-full:CorporateLoansMember
1883 Derivatives Member ifrs-full:DerivativesMember
1884 Other assets Member ifrs-full:OtherAssetsMember
1885 Type of exposure class [axis] Axis sek:TypeOfExposureClassAxis
1886 Type of exposure class [member] Member sek:TypeOfExposureClassMember
1887 Central governments Member sek:CentralGovernmentsMember
1888 Regional governments Member sek:RegionalGovernmentsMember
1889 Multilateral development banks Member sek:MultilateralDevelopmentBanksMember
1890 Public sector entity Member sek:PublicSectorEntityMember
1891 Financial institutions Member sek:FinancialInstitutionsMember
1892 Corporates Member sek:CorporatesMember
1893 Sub-classifications of financial information LineItems ifrs-full:DisclosureOfFinancialInstrumentsLineItems
1894 Net exposure Concept (Monetary) As Of sek:NetCreditExposure
1895 Adjustment to carrying amount from exposure Concept (Monetary) As Of Debit sek:AdjustmentFromBookValueToExposure
1896 Carrying amount of financial assets Concept (Monetary) As Of Debit ifrs-full:FinancialAssets
1897 Contingent liabilities and commitments Concept (Monetary) As Of Credit sek:ContingentLiabilitiesAndCommitments
1898 Carrying amount Concept (Monetary) As Of Debit sek:FinancialAssetsIncludingEffectOfContingentLiabilitiesAndCommitments
1899 Cash collateral under the security agreements for derivative contracts Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsPledgedAsCollateralForLiabilitiesOrContingentLiabilities
1900 Derivative exposure after netting Concept (Monetary) As Of sek:DerivativeExposureAfterNetting
1901 42704 - Disclosure - Risk information - Total net exposure (Details) Network

*

*

 http://www.sek.se/role/DisclosureRiskInformationTotalNetExposureDetails
1902 Disclosure of detailed information about financial instruments [table] Table

*

*

 ifrs-full:DisclosureOfFinancialInstrumentsTable
1903 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
1904 Risks [member] Member ifrs-full:TypesOfRisksMember
1905 Credit risk Member ifrs-full:CreditRiskMember
1906 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
1907 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
1908 Interest-bearing securities and lending Member sek:LoansAndInterestBearingSecuritiesMember
1909 Undisbursed loans, derivatives, etc. Member sek:UndisbursedLoansDerivativesMember
1910 Type of exposure class [axis] Axis sek:TypeOfExposureClassAxis
1911 Type of exposure class [member] Member sek:TypeOfExposureClassMember
1912 Central governments Member sek:CentralGovernmentsMember
1913 Regional governments Member sek:RegionalGovernmentsMember
1914 Multilateral development banks Member sek:MultilateralDevelopmentBanksMember
1915 Public sector entity Member sek:PublicSectorEntityMember
1916 Financial institutions Member sek:FinancialInstitutionsMember
1917 Corporates Member sek:CorporatesMember
1918 Sub-classifications of financial information LineItems ifrs-full:DisclosureOfFinancialInstrumentsLineItems
1919 Net exposure Concept (Monetary) As Of sek:NetCreditExposure
1920 Percentage of net exposures Concept (Percent) As Of sek:PercentageOfNetExposures
1921 42705 - Disclosure - Risk information - Gross exposure by region and class (Details) Network

*

*

 http://www.sek.se/role/DisclosureRiskInformationGrossExposureByRegionAndClassDetails
1922 Disclosure of credit risk exposure [table] Table

*

*

 ifrs-full:DisclosureOfCreditRiskExposureTable
1923 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
1924 Risks [member] Member ifrs-full:TypesOfRisksMember
1925 Credit risk Member ifrs-full:CreditRiskMember
1926 Geographical areas [axis] Axis ifrs-full:GeographicalAreasAxis
1927 Geographical areas [member] Member ifrs-full:GeographicalAreasMember
1928 Middle East/ Africa/Turkey Member sek:MiddleEastAfricaOrTurkeyMember
1929 Asia excl. Japan Member sek:AsiaExcludingJapanMember
1930 Japan Member country:JP
1931 North America Member srt:NorthAmericaMember
1932 Oceania Member sek:OceaniaMember
1933 Latin America Member srt:LatinAmericaMember
1934 Sweden Member ifrs-full:CountryOfDomicileMember
1935 West Europe excl. Sweden Member sek:WestEuropeanCountriesExcludingSwedenMember
1936 Central and East European countries Member sek:CentralEastEuropeanCountriesMember
1937 Type of exposure class [axis] Axis sek:TypeOfExposureClassAxis
1938 Type of exposure class [member] Member sek:TypeOfExposureClassMember
1939 Central governments Member sek:CentralGovernmentsMember
1940 Regional governments Member sek:RegionalGovernmentsMember
1941 Public sector entity Member sek:PublicSectorEntityMember
1942 Financial institutions Member sek:FinancialInstitutionsMember
1943 Corporates Member sek:CorporatesMember
1944 Risk information LineItems ifrs-full:DisclosureOfCreditRiskExposureLineItems
1945 Gross exposure Concept (Monetary) As Of sek:GrossCreditExposure
1946 42706 - Disclosure - Risk information - Net exposure by region and class (Details) Network

*

*

 http://www.sek.se/role/DisclosureRiskInformationNetExposureByRegionAndClassDetails
1947 Disclosure of credit risk exposure [table] Table

*

*

 ifrs-full:DisclosureOfCreditRiskExposureTable
1948 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
1949 Risks [member] Member ifrs-full:TypesOfRisksMember
1950 Credit risk Member ifrs-full:CreditRiskMember
1951 Type of exposure class [axis] Axis sek:TypeOfExposureClassAxis
1952 Type of exposure class [member] Member sek:TypeOfExposureClassMember
1953 Central governments Member sek:CentralGovernmentsMember
1954 Regional governments Member sek:RegionalGovernmentsMember
1955 Multilateral development banks Member sek:MultilateralDevelopmentBanksMember
1956 Public sector entity Member sek:PublicSectorEntityMember
1957 Financial institutions Member sek:FinancialInstitutionsMember
1958 Corporates Member sek:CorporatesMember
1959 Geographical areas [axis] Axis ifrs-full:GeographicalAreasAxis
1960 Geographical areas [member] Member ifrs-full:GeographicalAreasMember
1961 Middle East/ Africa/Turkey Member sek:MiddleEastAfricaOrTurkeyMember
1962 Asia excl. Japan Member sek:AsiaExcludingJapanMember
1963 Japan Member country:JP
1964 North America Member srt:NorthAmericaMember
1965 Oceania Member sek:OceaniaMember
1966 Latin America Member srt:LatinAmericaMember
1967 Sweden Member ifrs-full:CountryOfDomicileMember
1968 West Europe excl. Sweden Member sek:WestEuropeanCountriesExcludingSwedenMember
1969 Central and East European countries Member sek:CentralEastEuropeanCountriesMember
1970 Risk information LineItems ifrs-full:DisclosureOfCreditRiskExposureLineItems
1971 Net exposure Concept (Monetary) As Of sek:NetCreditExposure
1972 42707 - Disclosure - Risk information - Effect of credit risk mitigation (Details) Network

*

*

 http://www.sek.se/role/DisclosureRiskInformationEffectOfCreditRiskMitigationDetails
1973 Disclosure of credit risk exposure [table] Table

*

*

 ifrs-full:DisclosureOfCreditRiskExposureTable
1974 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
1975 Risks [member] Member ifrs-full:TypesOfRisksMember
1976 Credit risk Member ifrs-full:CreditRiskMember
1977 Type of exposure class [axis] Axis sek:TypeOfExposureClassAxis
1978 Type of exposure class [member] Member sek:TypeOfExposureClassMember
1979 Central governments Member sek:CentralGovernmentsMember
1980 Regional governments Member sek:RegionalGovernmentsMember
1981 Public sector entity Member sek:PublicSectorEntityMember
1982 Financial institutions Member sek:FinancialInstitutionsMember
1983 Corporates Member sek:CorporatesMember
1984 Credit Risk Mitigation Instrument Issuer [Axis] Axis sek:CreditRiskMitigationInstrumentIssuerAxis
1985 Credit Risk Instrument Issuer [Member] Member sek:CreditRiskInstrumentIssuerMember
1986 Central governments Member sek:CentralGovernmentsIssuerMember
1987 Regional governments Member sek:RegionalGovernmentsIssuerMember
1988 Multilateral development banks Member sek:MultilateralDevelopmentBanksMember
1989 Financial institutions Member sek:FinancialInstitutionsIssuerMember
1990 Corporates Member sek:CorporateIssuerMember
1991 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
1992 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
1993 Credit default swap Member sek:IfrsCreditDefaultSwapMember
1994 Credit insurance from insurance companies Member sek:CreditInsuranceMember
1995 Guarantee Member ifrs-full:FinancialGuaranteeContractsMember
1996 Guarantor [Axis] Axis sek:GuarantorAxis
1997 Guarantor [Member] Member sek:GuarantorMember
1998 Guarantees by the Swedish Export Credit Agency Member sek:GuaranteesBySwedishExportCreditAgencyMember
1999 Guarantees by other export credit agencies Member sek:GuaranteesByOtherExportCreditAgenciesMember
2000 Other guarantees Member sek:OtherGuaranteesMember
2001 Type of impairment requirements [Axis] Axis sek:TypeOfImpairmentRequirementsAxis
2002 Type of impairment requirements [Domain] Member sek:TypeOfImpairmentRequirementsDomain
2003 Subject to IFRS 9 impairment requrements Member ifrs-full:InAccordanceWithIFRS9Member
2004 Risk information LineItems ifrs-full:DisclosureOfCreditRiskExposureLineItems
2005 Hedged exposures Concept (Monetary) As Of sek:HedgedGrossExposure
2006 Unhedged exposures Concept (Monetary) As Of sek:NonMitigatedExposures
2007 Gross exposure Concept (Monetary) As Of sek:GrossCreditExposure
2008 Unhedged exposures - hedge issuer in same group as counterparty Concept (Monetary) As Of sek:UnhedgedExposures
2009 42708 - Disclosure - Risk information - Gross exposures European countries, excluding Sweden by exposure classes (Details) Network

*

*

 http://www.sek.se/role/DisclosureRiskInformationGrossExposuresEuropeanCountriesExcludingSwedenByExposureClassesDetails
2010 Disclosure of credit risk exposure [table] Table

*

*

 ifrs-full:DisclosureOfCreditRiskExposureTable
2011 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
2012 Risks [member] Member ifrs-full:TypesOfRisksMember
2013 Credit risk Member ifrs-full:CreditRiskMember
2014 Type of exposure class [axis] Axis sek:TypeOfExposureClassAxis
2015 Type of exposure class [member] Member sek:TypeOfExposureClassMember
2016 Central governments Member sek:CentralGovernmentsMember
2017 Regional governments Member sek:RegionalGovernmentsMember
2018 Public sector entity Member sek:PublicSectorEntityMember
2019 Financial institutions Member sek:FinancialInstitutionsMember
2020 Corporates Member sek:CorporatesMember
2021 Geographical areas [axis] Axis ifrs-full:GeographicalAreasAxis
2022 Geographical areas [member] Member ifrs-full:GeographicalAreasMember
2023 Spain Member country:ES
2024 Norway Member country:NO
2025 Finland Member country:FI
2026 United Kingdom Member country:GB
2027 Denmark Member country:DK
2028 Austria Member country:AT
2029 Italy Member country:IT
2030 Germany Member country:DE
2031 The Netherlands Member country:NL
2032 Poland Member country:PL
2033 France Member country:FR
2034 Luxembourg Member country:LU
2035 Russian Federation Member country:RU
2036 Switzerland Member country:CH
2037 Belgium Member country:BE
2038 Ireland Member country:IE
2039 Latvia Member country:LV
2040 Iceland Member country:IS
2041 Portugal Member country:PT
2042 Estonia Member country:EE
2043 Ukraine Member country:UA
2044 Hungary Member country:HU
2045 Greece Member country:GR
2046 European countries excl. Sweden Member sek:EuropeanCountriesExcludingSwedenMember
2047 Risk information LineItems ifrs-full:DisclosureOfCreditRiskExposureLineItems
2048 Gross exposure Concept (Monetary) As Of sek:GrossCreditExposure
2049 42709 - Disclosure - Risk information - Net exposures European countries, excluding Sweden by exposure classes (Details) Network

*

*

 http://www.sek.se/role/DisclosureRiskInformationNetExposuresEuropeanCountriesExcludingSwedenByExposureClassesDetails
2050 Disclosure of credit risk exposure [table] Table

*

*

 ifrs-full:DisclosureOfCreditRiskExposureTable
2051 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
2052 Risks [member] Member ifrs-full:TypesOfRisksMember
2053 Credit risk Member ifrs-full:CreditRiskMember
2054 Type of exposure class [axis] Axis sek:TypeOfExposureClassAxis
2055 Type of exposure class [member] Member sek:TypeOfExposureClassMember
2056 Central governments Member sek:CentralGovernmentsMember
2057 Regional governments Member sek:RegionalGovernmentsMember
2058 Multilateral development banks Member sek:MultilateralDevelopmentBanksMember
2059 Public sector entity Member sek:PublicSectorEntityMember
2060 Financial institutions Member sek:FinancialInstitutionsMember
2061 Corporates Member sek:CorporatesMember
2062 Geographical areas [axis] Axis ifrs-full:GeographicalAreasAxis
2063 Geographical areas [member] Member ifrs-full:GeographicalAreasMember
2064 France Member country:FR
2065 Germany Member country:DE
2066 United Kingdom Member country:GB
2067 Norway Member country:NO
2068 Denmark Member country:DK
2069 Finland Member country:FI
2070 Austria Member country:AT
2071 Poland Member country:PL
2072 The Netherlands Member country:NL
2073 Luxembourg Member country:LU
2074 Spain Member country:ES
2075 Belgium Member country:BE
2076 Switzerland Member country:CH
2077 Ireland Member country:IE
2078 Latvia Member country:LV
2079 Italy Member country:IT
2080 Iceland Member country:IS
2081 Portugal Member country:PT
2082 Estonia Member country:EE
2083 Hungary Member country:HU
2084 Russian Federation Member country:RU
2085 European countries excl. Sweden Member sek:EuropeanCountriesExcludingSwedenMember
2086 Risk information LineItems ifrs-full:DisclosureOfCreditRiskExposureLineItems
2087 Net exposure Concept (Monetary) As Of sek:NetCreditExposure
2088 42710 - Disclosure - Risk information - Corporate exposures by industry (GICS) (Details) Network

*

*

 http://www.sek.se/role/DisclosureRiskInformationCorporateExposuresByIndustryGicsDetails
2089 Disclosure of credit risk exposure [table] Table

*

*

 ifrs-full:DisclosureOfCreditRiskExposureTable
2090 Type of exposure class [axis] Axis sek:TypeOfExposureClassAxis
2091 Type of exposure class [member] Member sek:TypeOfExposureClassMember
2092 Corporates Member sek:CorporatesMember
2093 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
2094 Risks [member] Member ifrs-full:TypesOfRisksMember
2095 Credit risk Member ifrs-full:CreditRiskMember
2096 Products and services [axis] Axis ifrs-full:ProductsAndServicesAxis
2097 Products and services [member] Member ifrs-full:ProductsAndServicesMember
2098 IT and telecom Member sek:ITAndTelecomMember
2099 Industry Member sek:IndustrialsMember
2100 Finance Member sek:FinancialsMember
2101 Commodities Member sek:MaterialsMember
2102 Consumer goods Member sek:ConsumerGoodsMember
2103 Electricity, water and gas Member sek:UtilitiesMember
2104 Healthcare Member sek:HealthcareIndustryMember
2105 Energy Member sek:EnergyMember
2106 Other Member sek:OtherIndustriesMember
2107 Risk information LineItems ifrs-full:DisclosureOfCreditRiskExposureLineItems
2108 Gross exposure Concept (Monetary) As Of sek:GrossCreditExposure
2109 Net exposure Concept (Monetary) As Of sek:NetCreditExposure
2110 42711 - Disclosure - Risk information - Market risk (Details) Network

*

*

 http://www.sek.se/role/DisclosureRiskInformationMarketRiskDetails
2111 Disclosure of nature and extent of risks arising from financial instruments [table] Table

*

*

 ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable
2112 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
2113 Risks [member] Member ifrs-full:TypesOfRisksMember
2114 Market risk Member ifrs-full:MarketRiskMember
2115 VAR for own funds Member sek:VarForOwnFundsMember
2116 VAR for liquidity portfolio Member sek:VarForLiquidityPortfolioMember
2117 Aggregated risk measure Member sek:AggregatedRiskMeasureMember
2118 Interest rate risk regarding changes in the economic value of SEK's portfolio (EVE) Member sek:InterestRateRiskRegardingChangesInEconomicValueOfSeksPortfolioEveMember
2119 NII risk together with risk to NII from cross-currency basis swaps Member sek:NiiRiskTogetherWithRiskToNiiFromCrossCurrencyBasisSwapsMember
2120 Interest rate risk regarding changes in future net interest income (NII) Member sek:InterestRateRiskRegardingChangesInFutureNetInterestIncomeNiiMember
2121 Risk to NII from cross-currency basis swaps Member sek:RiskToNiiFromCrossCurrencyBasisSwapsMember
2122 Credit spread risk in assets Member sek:CreditSpreadRiskInAssetsMember
2123 Credit spread risk in own debt Member sek:CreditSpreadRiskInOwnDebtMember
2124 Cross-currency basis spread risk Member sek:CrossCurrencyBasisSpreadRiskMember
2125 Currency risk Member ifrs-full:CurrencyRiskMember
2126 Risk information LineItems ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems
2127 VAR horizon period (in years) Concept (xbrli:durationItemType) For Period sek:VarHorizonPeriod
2128 Stressed VAR horizon period (in years) Concept (xbrli:durationItemType) For Period sek:StressedVarHorizonPeriod
2129 Market risk amount Concept (Monetary) As Of sek:MarketRiskExposure
2130 Market risk appetite Concept (Monetary) As Of sek:MarketRiskAppetite
2131 Market risk exposure limit Concept (Monetary) As Of sek:MarketRiskExposureLimit
2132 Number of measurement and limiting interest rate risk categories Concept (Integer) For Period sek:NumberOfCategoriesForRiskMeasurementAndLimitingInterestRateRisk
2133 Net interest risk period (in years) Concept (xbrli:durationItemType) For Period sek:NetInterestIncomeRiskPeriod
2134 Risk period to NII from cross-currency basis swaps (in months) Concept (xbrli:durationItemType) For Period sek:RiskPeriodFromCrossCurrencyBasisSwaps
2135 Risk change (in basis points) Concept (Pure) For Period sek:RiskBasisPointChange
2136 Assumed change in all foreign currency positions Concept (Percent) As Of sek:ForeignCurrencyPositionAssumedPercentageChange
2137 42712 - Disclosure - Risk information - Impact of one percentage point change in market interest rate (Details) Network

*

*

 http://www.sek.se/role/DisclosureRiskInformationImpactOfOnePercentagePointChangeInMarketInterestRateDetails
2138 Disclosure of nature and extent of risks arising from financial instruments [table] Table

*

*

 ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable
2139 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
2140 Risks [member] Member ifrs-full:TypesOfRisksMember
2141 Market risk Member ifrs-full:MarketRiskMember
2142 Currency [Axis] Axis srt:CurrencyAxis
2143 All Currencies [Domain] Member currency:AllCurrenciesDomain
2144 Foreign currencies Member sek:ForeignCurrenciesMember
2145 SKR Member currency:SEK
2146 Risk information LineItems ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems
2147 Percentage of increase in market interest rate Concept (Percent) As Of sek:PercentageOfReasonablyPossibleIncreaseInRiskAssumption
2148 Impact from one percentage point increase in market interest rate Concept (Monetary) As Of Debit sek:IncreaseDecreaseInFinancialInstrumentDueToReasonablyPossibleIncreaseInDesignatedRiskComponent
2149 Impact from one percentage point increase in market interest rate for instruments measured at fair value through profit or loss Concept (Monetary) As Of Debit sek:IncreaseDecreaseInFinancialInstrumentDueToReasonablyPossibleIncreaseInDesignatedRiskComponentMeasuredAtFairValueThroughProfitOrLoss
2150 Impact from one percentage point increase in market interest rate for instruments measured at fair value through other comprehensive income Concept (Monetary) As Of Debit sek:IncreaseDecreaseInFinancialInstrumentDueToReasonablyPossibleIncreaseInDesignatedRiskComponentMeasuredAtFairValueThroughComprehensiveIncome
2151 Percentage of decrease in market interest rate Concept (Percent) As Of sek:PercentageOfReasonablyPossibleDecreaseInRiskAssumption
2152 Impact from one percentage point decrease in market interest rate Concept (Monetary) As Of Debit sek:IncreaseDecreaseInFinancialInstrumentDueToReasonablyPossibleDecreaseInDesignatedRiskComponent
2153 Impact from one percentage point decrease in market interest rate for instruments measured at fair value through profit or loss Concept (Monetary) As Of Debit sek:IncreaseDecreaseInFinancialInstrumentDueToReasonablyPossibleDecreaseInDesignatedRiskComponentMeasuredAtFairValueThroughProfitOrLoss
2154 Impact from one percentage point decrease in market interest rate for instruments measured at fair value through other comprehensive income Concept (Monetary) As Of Debit sek:IncreaseDecreaseInFinancialInstrumentDueToReasonablyPossibleDecreaseInDesignatedRiskComponentMeasuredAtFairValueThroughComprehensiveIncome
2155 42713 - Disclosure - Risk information - Foreign currency position (Details) Network

*

*

 http://www.sek.se/role/DisclosureRiskInformationForeignCurrencyPositionDetails
2156 Disclosure of nature and extent of risks arising from financial instruments [table] Table

*

*

 ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable
2157 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
2158 Risks [member] Member ifrs-full:TypesOfRisksMember
2159 Market risk Member ifrs-full:MarketRiskMember
2160 Currency risk Member ifrs-full:CurrencyRiskMember
2161 Currency [Axis] Axis srt:CurrencyAxis
2162 All Currencies [Domain] Member currency:AllCurrenciesDomain
2163 SKR Member currency:SEK
2164 EUR Member currency:EUR
2165 USD Member currency:USD
2166 JPY Member currency:JPY
2167 GBP Member currency:GBP
2168 CHF Member currency:CHF
2169 MXN Member currency:MXN
2170 THB Member currency:THB
2171 Other Member sek:OtherCurrenciesMember
2172 Foreign currencies Member sek:ForeignCurrenciesMember
2173 Risk information LineItems ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems
2174 Exchange rate Concept (Decimal) As Of ifrs-full:ClosingForeignExchangeRate
2175 Share at year-end (as a %) Concept (Percent) As Of sek:PercentageOfCurrencyPortionOfAssetsAndLiabilitiesAtYearEnd
2176 Currency position Concept (Monetary) As Of Debit ifrs-full:NetAssetsLiabilities
2177 Currency positions excluding unrealized changes in fair value Concept (Monetary) As Of Debit sek:CurrencyPositionsExcludingUnrealizedChangesInFairValue
2178 42714 - Disclosure - Risk information - Assets and liabilities in foreign currencies (Details) Network

*

*

 http://www.sek.se/role/DisclosureRiskInformationAssetsAndLiabilitiesInForeignCurrenciesDetails
2179 Disclosure of nature and extent of risks arising from financial instruments [table] Table

*

*

 ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable
2180 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
2181 Risks [member] Member ifrs-full:TypesOfRisksMember
2182 Market risk Member ifrs-full:MarketRiskMember
2183 Currency risk Member ifrs-full:CurrencyRiskMember
2184 Currency [Axis] Axis srt:CurrencyAxis
2185 All Currencies [Domain] Member currency:AllCurrenciesDomain
2186 Foreign currencies Member sek:ForeignCurrenciesMember
2187 Risk information LineItems ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems
2188 Assets Concept (Monetary) As Of Debit ifrs-full:Assets
2189 Liabilities Concept (Monetary) As Of Credit ifrs-full:Liabilities
2190 42715 - Disclosure - Risk information - Liquidity reserve (Details) Network

*

*

 http://www.sek.se/role/DisclosureRiskInformationLiquidityReserveDetails
2191 Disclosure of nature and extent of risks arising from financial instruments [table] Table

*

*

 ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable
2192 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
2193 Risks [member] Member ifrs-full:TypesOfRisksMember
2194 Liquidity risk and refinancing risk Member ifrs-full:LiquidityRiskMember
2195 Classes of assets [axis] Axis ifrs-full:ClassesOfAssetsAxis
2196 Assets [member] Member ifrs-full:ClassesOfAssetsMember
2197 Securities issued or guaranteed by sovereigns, central banks or multilateral development banks Member sek:SecuritiesIssuedOrGuaranteedBySovereignsCentralBanksOrMultilateralDevelopmentBanksMember
2198 Securities issued or guaranteed by municipalities or other public entities Member sek:SecuritiesIssuedOrGuaranteedByMunicipalitiesOrOtherPublicEntitiesMember
2199 Covered bonds issued by other institutions Member sek:CoveredBondsIssuedByOtherInstitutionsMember
2200 Balances with other banks and National Debt Office, overnight Member sek:BalancesWithOtherBanksAndNationalDebtOfficeMember
2201 Currency [Axis] Axis srt:CurrencyAxis
2202 All Currencies [Domain] Member currency:AllCurrenciesDomain
2203 SKR Member currency:SEK
2204 EUR Member currency:EUR
2205 USD Member currency:USD
2206 Other Member sek:OtherCurrenciesMember
2207 Borrowings by name [axis] Axis ifrs-full:BorrowingsByNameAxis
2208 Borrowings by name [member] Member ifrs-full:BorrowingsByNameMember
2209 Credit facility with the Swedish National Debt Office Member sek:CreditFacilityWithSwedishNationalDebtOfficeMember
2210 Risk information LineItems ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems
2211 Credit facility, granted by the government Concept (Monetary) As Of Credit sek:IfrsLineOfCreditFacilityMaximumBorrowingCapacity
2212 New lending capacity, target Concept (xbrli:durationItemType) For Period sek:NewLendingCapacityTarget
2213 Maximum remaining maturity for commercial paper and corporate bonds with BBB minus rating to be permissible Concept (xbrli:durationItemType) For Period sek:MaximumRemainingMaturityForCommercialPaperAndCorporateBondsWithBbbMinusRatingToBePermissible
2214 Maturity term of revolving borrowing programs Concept (xbrli:durationItemType) For Period sek:MaturityTermOfRevolvingBorrowingCapacity
2215 Maturity term of swingline facility Concept (xbrli:durationItemType) For Period sek:MaturityTermOfSwinglineFacilityUnderRevolvingBorrowingCapacity
2216 Period of monitoring the liquidity coverage ratio Concept (xbrli:durationItemType) For Period sek:PeriodOfMonitoringLiquidityCoverageRatio
2217 Period of cashflow forecast Concept (xbrli:durationItemType) For Period sek:PeriodOfCashflowForecast
2218 Period of estimated net stable funding ratio Concept (xbrli:durationItemType) For Period sek:PeriodOfEstimatedNetStableFundingRatio
2219 Liquidity Reserve Concept (Monetary) As Of Debit sek:LiquidityReserve
2220 42716 - Disclosure - Risk information - Liquidity investments - Remaining maturity (Details) Network

*

*

 http://www.sek.se/role/DisclosureRiskInformationLiquidityInvestmentsRemainingMaturityDetails
2221 Disclosure of nature and extent of risks arising from financial instruments [table] Table

*

*

 ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable
2222 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
2223 Risks [member] Member ifrs-full:TypesOfRisksMember
2224 Liquidity risk and refinancing risk Member ifrs-full:LiquidityRiskMember
2225 Maturity [axis] Axis ifrs-full:MaturityAxis
2226 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
2227 Within 1 year Member ifrs-full:NotLaterThanOneYearMember
2228 Later than one year and not later than three years Member ifrs-full:LaterThanOneYearAndNotLaterThanThreeYearsMember
2229 Later than three years Member ifrs-full:LaterThanThreeYearsMember
2230 Risk information LineItems ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems
2231 Percentage of liquidity investments Concept (Percent) As Of sek:PercentageOfLiquidityInvestments
2232 42717 - Disclosure - Risk information - Key figures for liquidity risk (Details) Network

*

*

 http://www.sek.se/role/DisclosureRiskInformationKeyFiguresForLiquidityRiskDetails
2233 Disclosure of nature and extent of risks arising from financial instruments [table] Table

*

*

 ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable
2234 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
2235 Risks [member] Member ifrs-full:TypesOfRisksMember
2236 Liquidity risk and refinancing risk Member ifrs-full:LiquidityRiskMember
2237 Currency [Axis] Axis srt:CurrencyAxis
2238 All Currencies [Domain] Member currency:AllCurrenciesDomain
2239 EUR Member currency:EUR
2240 USD Member currency:USD
2241 Risk information LineItems ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems
2242 LCR under Swedish FSA rules Concept (Percent) As Of sek:LiquidityCoverageRatioAccordingToSwedishFSa
2243 LCR under EU Commission's delegated act Concept (Percent) As Of sek:LiquidityCoverageRatioAccordingToEUCommission
2244 NSFR Concept (Percent) As Of sek:NetStableFundingRatio
2245 42718 - Disclosure - Risk Information - Liquidity investments - By exposure type (Details) Network

*

*

 http://www.sek.se/role/DisclosureRiskInformationLiquidityInvestmentsByExposureTypeDetails
2246 Disclosure of nature and extent of risks arising from financial instruments [table] Table

*

*

 ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable
2247 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
2248 Risks [member] Member ifrs-full:TypesOfRisksMember
2249 Liquidity risk and refinancing risk Member ifrs-full:LiquidityRiskMember
2250 Type of exposure class [axis] Axis sek:TypeOfExposureClassAxis
2251 Type of exposure class [member] Member sek:TypeOfExposureClassMember
2252 States and local governments Member sek:StatesAndLocalGovernmentsMember
2253 Financial institutions Member sek:FinancialInstitutionsMember
2254 Corporates Member sek:CorporatesMember
2255 Covered bonds Member sek:CoveredBondsMember
2256 Multilateral development banks Member sek:MultilateralDevelopmentBanksMember
2257 CDS covered corporates Member sek:CreditDefaultSwapsCoveredCorporatesMember
2258 Risk information LineItems ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems
2259 Percentage of liquidity investments Concept (Percent) As Of sek:PercentageOfLiquidityInvestments
2260 42719 - Disclosure - Risk Information - Liquidity investments - By region (Details) Network

*

*

 http://www.sek.se/role/DisclosureRiskInformationLiquidityInvestmentsByRegionDetails
2261 Disclosure of nature and extent of risks arising from financial instruments [table] Table

*

*

 ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable
2262 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
2263 Risks [member] Member ifrs-full:TypesOfRisksMember
2264 Liquidity risk and refinancing risk Member ifrs-full:LiquidityRiskMember
2265 Geographical areas [axis] Axis ifrs-full:GeographicalAreasAxis
2266 Geographical areas [member] Member ifrs-full:GeographicalAreasMember
2267 Sweden Member ifrs-full:CountryOfDomicileMember
2268 North America Member srt:NorthAmericaMember
2269 West Europe excl. Sweden Member sek:WestEuropeanCountriesExcludingSwedenMember
2270 Asia excl. Japan Member sek:AsiaExcludingJapanMember
2271 Japan Member country:JP
2272 Middle East/ Africa/Turkey Member sek:MiddleEastAfricaOrTurkeyMember
2273 Australia Member country:AU
2274 Risk information LineItems ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems
2275 Percentage of liquidity investments Concept (Percent) As Of sek:PercentageOfLiquidityInvestments
2276 42720 - Disclosure - Risk information - Contractual flows (Details) Network

*

*

 http://www.sek.se/role/DisclosureRiskInformationContractualFlowsDetails
2277 Disclosure of nature and extent of risks arising from financial instruments [table] Table

*

*

 ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable
2278 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
2279 Financial assets Member ifrs-full:FinancialAssetsMember
2280 Cash and cash equivalents Member sek:CashAndCashEquivalentMember
2281 Treasuries/government bonds Member sek:TreasuriesAndGovernmentsBondsMember
2282 Other interest-bearing securities except loans Member sek:OtherInterestBearingSecuritiesExceptLoansMember
2283 Loans in the form of interest-bearing securities Member sek:LoansInFormOfInterestBearingSecuritiesMember
2284 Loans to credit institutions Member sek:LoansAndAdvancesToBanksMember
2285 Loans to the public Member ifrs-full:CorporateLoansMember
2286 Derivatives Member ifrs-full:DerivativesMember
2287 Classes of financial liabilities [axis] Axis ifrs-full:ClassesOfFinancialLiabilitiesAxis
2288 Financial liabilities, class [member] Member ifrs-full:FinancialLiabilitiesMember
2289 Borrowing from credit institutions Member sek:BorrowingFromCreditInstitutionsMember
2290 Debt securities issued Member sek:SeniorSecuritiesIssuedMember
2291 Derivatives Member ifrs-full:DerivativesMember
2292 Subordinated securities issued Member sek:SubordinatedSecuritiesIssuedMember
2293 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
2294 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
2295 Hedging instrument Member ifrs-full:HedgingInstrumentsMember
2296 Maturity [axis] Axis ifrs-full:MaturityAxis
2297 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
2298 Not later than one month Member ifrs-full:NotLaterThanOneMonthMember
2299 Later than one month and not later than three months Member ifrs-full:LaterThanOneMonthAndNotLaterThanThreeMonthsMember
2300 Later than three months and not later than one year Member ifrs-full:LaterThanThreeMonthsAndNotLaterThanOneYearMember
2301 Between 1 and 5 years Member ifrs-full:LaterThanOneYearAndNotLaterThanFiveYearsMember
2302 More than 5 years Member ifrs-full:LaterThanFiveYearsMember
2303 Not later than 3 months / 90 days Member ifrs-full:NotLaterThanThreeMonthsMember
2304 Within 1 year Member ifrs-full:NotLaterThanOneYearMember
2305 Not later than five years Member sek:NotLaterThanFiveYearsMember
2306 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
2307 Risks [member] Member ifrs-full:TypesOfRisksMember
2308 Liquidity risk and refinancing risk Member ifrs-full:LiquidityRiskMember
2309 Borrowings by name [axis] Axis ifrs-full:BorrowingsByNameAxis
2310 Borrowings by name [member] Member ifrs-full:BorrowingsByNameMember
2311 Credit facility with the Swedish National Debt Office Member sek:CreditFacilityWithSwedishNationalDebtOfficeMember
2312 Range [axis] Axis ifrs-full:RangeAxis
2313 Ranges [member] Member ifrs-full:RangesMember
2314 Minimum Member ifrs-full:BottomOfRangeMember
2315 Maximum Member ifrs-full:TopOfRangeMember
2316 Risk information LineItems ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems
2317 Financial assets, cash flow Concept (Monetary) As Of Debit sek:FinancialAssetsUndiscountedContractualCashFlows
2318 Financial assets, discounting effect Concept (Monetary) As Of Credit sek:FinancialAssetsDiscountEffectOnContractualCashFlows
2319 Total financial assets Concept (Monetary) As Of Debit ifrs-full:FinancialAssets
2320 Financial liabilities, cash flow Concept (Monetary) As Of Credit ifrs-full:NonderivativeFinancialLiabilitiesUndiscountedCashFlows
2321 Financial liabilities, cash flow Concept (Monetary) As Of Credit ifrs-full:DerivativeFinancialLiabilitiesUndiscountedCashFlows
2322 Financial liabilities, cash flow Concept (Monetary) As Of Credit sek:FinancialLiabilitiesUndiscountedCashflow
2323 Financial liabilities, discounting effect Concept (Monetary) As Of Debit sek:FinancialLiabilitiesDiscountEffectOnContractualCashFlows
2324 Financial liabilities Concept (Monetary) As Of Credit ifrs-full:FinancialLiabilities
2325 Committed undisbursed loans cash flows Concept (Monetary) As Of Credit sek:CommittedUndisbursedLoans
2326 Liquidity surplus (+) / deficit (-) Concept (Monetary) As Of Debit sek:ContractualCashflowsSurplusDeficit
2327 Binding offers Concept (Monetary) As Of Credit ifrs-full:ContractualCapitalCommitments
2328 Additional available funds under credit facility Concept (Monetary) As Of Credit sek:IfrsLineOfCreditFacilityMaximumBorrowingCapacity
2329 Maturity of cash flow in deficit Concept (xbrli:durationItemType) For Period sek:MaturityOfCashFlowInDeficit
2330 42721 - Disclosure - Risk information - Operational risk and sustainability risk (Details) Network

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 http://www.sek.se/role/DisclosureRiskInformationOperationalRiskAndSustainabilityRiskDetails
2331 Disclosure of nature and extent of risks arising from financial instruments [table] Table

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*

 ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable
2332 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
2333 Risks [member] Member ifrs-full:TypesOfRisksMember
2334 Operational risk Member sek:OperationalRiskMember
2335 Sustainability risk Member sek:SustainabilityRiskMember
2336 Geographical areas [axis] Axis ifrs-full:GeographicalAreasAxis
2337 Geographical areas [member] Member ifrs-full:GeographicalAreasMember
2338 Europe Member srt:EuropeMember
2339 America Member srt:AmericasMember
2340 Risk information LineItems ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems
2341 Number of quarters scope of losses due to incidents is assessed Concept (Decimal) For Period sek:NumberOfQuartersScopeOfLossesDueToIncidentsIsAssessed
2342 Number of A projects to which loans were granted Concept (Integer) For Period sek:NumberOfAprojectsToWhichLoansWereGranted
2343 Number of B projects to which loans were granted Concept (Integer) For Period sek:NumberOfBProjectsToWhichLoansWereGranted
2344 42801 - Disclosure - Transactions with related parties (Details) Network

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*

 http://www.sek.se/role/DisclosureTransactionsWithRelatedPartiesDetails
2345 Disclosure of transactions between related parties [table] Table

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*

 ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesTable
2346 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
2347 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
2348 Companies and organizations that are controlled through a common owner Member sek:CompaniesAndOrganizationsThatAreControlledThroughCommonOwnerMember
2349 Swedish National Debt Office Member sek:SwedishNationalDebtOfficeMember
2350 EKN Member sek:SwedishExportCreditsGuaranteeBoardEknMember
2351 Subsidiaries Member ifrs-full:SubsidiariesMember
2352 Legal Entity [Axis] Axis dei:LegalEntityAxis
2353 Entity [Domain] Member dei:EntityDomain
2354 Swedish government Member ifrs-full:GovernmentMember
2355 Transactions with related parties LineItems ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesLineItems
2356 Ownership interest in reporting company Concept (Percent) For Period ifrs-full:ProportionOfOwnershipInterestInSubsidiary
2357 Percentage of company's outstanding loan guaranteed Concept (Percent) As Of sek:PercentageOfCompanySOutstandingLoanGuaranteedRelatedPartyTransactions
2358 Remuneration to EKN for the guarantees paid Concept (Monetary) For Period Credit sek:RemunerationPaidForGuaranteesRelatedPartyTransactions
2359 Credit facility Concept (Monetary) As Of Credit ifrs-full:UndrawnBorrowingFacilities
2360 Interest expense Concept (Monetary) For Period Debit sek:InterestExpenseRelatedPartyTransactions
2361 42802 - Disclosure - Transactions with related parties - Summarizes Consolidated Group's transactions with related parties (Details) Network

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 http://www.sek.se/role/DisclosureTransactionsWithRelatedPartiesSummarizesConsolidatedGroupSTransactionsWithRelatedPartiesDetails
2362 Disclosure of transactions between related parties [table] Table

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*

 ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesTable
2363 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
2364 Financial assets Member ifrs-full:FinancialAssetsMember
2365 Treasuries/government bonds Member sek:TreasuriesAndGovernmentsBondsMember
2366 Other interest-bearing securities except loans Member sek:OtherInterestBearingSecuritiesExceptLoansMember
2367 Loans in the form of interest-bearing securities Member sek:LoansInFormOfInterestBearingSecuritiesMember
2368 Loans to credit institutions Member sek:LoansAndAdvancesToBanksMember
2369 Loans to the public Member ifrs-full:CorporateLoansMember
2370 Settlement claim against State Member sek:RelatedPartyLoansDueFromStateMember
2371 Classes of financial liabilities [axis] Axis ifrs-full:ClassesOfFinancialLiabilitiesAxis
2372 Financial liabilities, class [member] Member ifrs-full:FinancialLiabilitiesMember
2373 Debt securities issued Member sek:SeniorSecuritiesIssuedMember
2374 Other liabilities Member sek:LiabilitiesOtherMember
2375 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
2376 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
2377 Swedish government Member ifrs-full:GovernmentMember
2378 Companies and organizations that are controlled through a common owner Member sek:CompaniesAndOrganizationsThatAreControlledThroughCommonOwnerMember
2379 Transactions with related parties LineItems ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesLineItems
2380 Assets Concept (Monetary) As Of Debit ifrs-full:AmountsReceivableRelatedPartyTransactions
2381 Liabilities Concept (Monetary) As Of Credit ifrs-full:AmountsPayableRelatedPartyTransactions
2382 Interest income Concept (Monetary) For Period Credit sek:InterestIncomeRelatedPartyTransactions
2383 Interest expense Concept (Monetary) For Period Debit sek:InterestExpenseRelatedPartyTransactions
2384 42901 - Disclosure - Events after the reporting period (Details) Network

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 http://www.sek.se/role/DisclosureEventsAfterReportingPeriodDetails
2385 Disclosure of non-adjusting events after reporting period [table] Table

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 ifrs-full:DisclosureOfNonadjustingEventsAfterReportingPeriodTable
2386 Non-adjusting events after reporting period [axis] Axis ifrs-full:NonadjustingEventsAfterReportingPeriodAxis
2387 Non-adjusting events after reporting period [member] Member ifrs-full:NonadjustingEventsMember
2388 Organizational changes Member sek:OrganizationalChangesMember
2389 Ifrs title of individual [Axis] Axis sek:IfrsTitleOfIndividualAxis
2390 Ifrs title of individual with relationship to entity [Domain] Member sek:IfrsTitleOfIndividualWithRelationshipToEntityDomain
2391 Helene Westholm, from April 24, 2018 Member sek:BoardOfDirectorsThirteenMember
2392 Events after the reporting period LineItems ifrs-full:DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems
2393 Number of new roles created Concept (Integer) For Period sek:NumberOfNewRolesCreated
2394 Length of service Concept (xbrli:durationItemType) For Period sek:LengthOfService
2395 43001 - Disclosure - Risk and capital management (Details) Network

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 http://www.sek.se/role/DisclosureRiskAndCapitalManagementDetails
2396 Disclosure of nature and extent of risks arising from financial instruments [table] Table

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*

 ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable
2397 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
2398 Risks [member] Member ifrs-full:TypesOfRisksMember
2399 Credit risk Member ifrs-full:CreditRiskMember
2400 Market risk Member ifrs-full:MarketRiskMember
2401 Operational risk Member sek:OperationalRiskMember
2402 Range [axis] Axis ifrs-full:RangeAxis
2403 Ranges [member] Member ifrs-full:RangesMember
2404 Maximum Member ifrs-full:TopOfRangeMember
2405 Minimum Member ifrs-full:BottomOfRangeMember
2406 Risk and capital management LineItems sek:DisclosureOfRiskAndCapitalManagementLineItems
2407 Capital ratio Concept (Percent) As Of sek:CapitalRatio
2408 Tier 1 capital ratio Concept (Percent) As Of sek:TierOneCapitalRatio
2409 Common Equity Tier 1 ratio Concept (Percent) As Of sek:CommonEquityTierOneRatio
2410 Redemption of subordinated liabilities Concept (Monetary) For Period Debit sek:RedemptionOfSubordinatedLiabilities
2411 Risk (in terms of allocated capital) Concept (Monetary) As Of sek:RiskExposureInTermsOfAllocatedCapital
2412 Leverage ratio Concept (Percent) As Of sek:TierOneLeverageRatio
2413 Minimum requirement for own funds and eligible liabilities (MREL) Concept (Percent) As Of sek:MinimumRequirementOfEntitysEligibleLiabilitiesAndOwnFundsPercentage
2414 Minimum requirement of risk-weighted assets Concept (Percent) As Of sek:MinimumRequirementOfRiskWeightedAssets
2415 New lending capacity Concept (xbrli:durationItemType) For Period sek:LendingCapacityMarginPeriod
2416 LCR Concept (Percent) As Of sek:LiquidityCoverageRatioAccordingToEUCommission
2417 VAR Concept (Monetary) As Of ifrs-full:ValueAtRisk
2418 Total capital ratio excess over capital adequacy requirement, target Concept (Percent) As Of sek:TotalCapitalRatioExcessOverCapitalAdequacyRequirementTarget
2419 Total capital ratio requirement Concept (Percent) As Of sek:TotalCapitalRatioRequirement
2420 Number of lines of defense for risk management and risk control Concept (Integer) As Of sek:NumberOfLinesOfDefenseForRiskManagementAndRiskControl
2421 Period for capital adequacy assessments Concept (xbrli:durationItemType) For Period sek:PeriodForCapitalAdequacyAssessments
2422 Confidence level for VAR calculation Concept (Percent) As Of sek:ConfidenceLevelForVarCalculation
2423 Time horizon for probability distribution of value of credit portfolio Concept (xbrli:durationItemType) For Period sek:TimeHorizonForProbabilityDistributionOfValueOfCreditPortfolio
2424 43002 - Disclosure - Risk and capital management- Risk descriptions (Details) Network

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 http://www.sek.se/role/DisclosureRiskAndCapitalManagementRiskDescriptionsDetails
2425 Disclosure of nature and extent of risks arising from financial instruments [table] Table

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*

 ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable
2426 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
2427 Risks [member] Member ifrs-full:TypesOfRisksMember
2428 Liquidity risk and refinancing risk Member ifrs-full:LiquidityRiskMember
2429 Credit risk Member ifrs-full:CreditRiskMember
2430 Market risk Member ifrs-full:MarketRiskMember
2431 Aggregated risk measure Member sek:AggregatedRiskMeasureMember
2432 VAR for own funds Member sek:VarForOwnFundsMember
2433 VAR for liquidity portfolio Member sek:VarForLiquidityPortfolioMember
2434 Operational risk Member sek:OperationalRiskMember
2435 Sustainability risk Member sek:SustainabilityRiskMember
2436 Range [axis] Axis ifrs-full:RangeAxis
2437 Ranges [member] Member ifrs-full:RangesMember
2438 Minimum Member ifrs-full:BottomOfRangeMember
2439 Maximum Member ifrs-full:TopOfRangeMember
2440 Currency [Axis] Axis srt:CurrencyAxis
2441 All Currencies [Domain] Member currency:AllCurrenciesDomain
2442 EUR Member currency:EUR
2443 USD Member currency:USD
2444 Risk and capital management LineItems sek:DisclosureOfRiskAndCapitalManagementLineItems
2445 Period of contingencies for new lending without access to credit facility Concept (xbrli:durationItemType) For Period sek:PeriodOfContingenciesForNewLendingWithoutAccessToCreditFacility
2446 Maturity of LCR assets Concept (xbrli:durationItemType) For Period sek:MaturityOfLcrAssets
2447 LCR Concept (Percent) As Of sek:LiquidityCoverageRatioAccordingToEUCommission
2448 NSFR Concept (Percent) As Of sek:NetStableFundingRatio
2449 Percentage of individual and collectively limited exposures in relation to own funds Concept (Percent) As Of sek:PercentageOfIndividualAndCollectivelyLimitedExposuresInRelationToOwnFunds
2450 Percentage of expected loss within one year in relation to Common Equity Tier 1 capital Concept (Percent) As Of sek:PercentageOfExpectedLossWithinOneYearInRelationToCommonEquityTier1Capital
2451 Percentage of total portfolio maturity in relation to Common Equity Tier 1 capital Concept (Percent) As Of sek:PercentageOfTotalPortfolioMaturityInRelationToCommonEquityTier1Capital
2452 Average risk weight for exposures to corporates and institutions Concept (Percent) As Of sek:AverageRiskWeightForExposuresToCorporatesAndInstitutions
2453 Concentration risk in relation to the Swedish FSA's assessed capital requirement for credit risk Concept (Percent) For Period sek:CreditRiskRelatedConcentrationRiskAsPercentageOfAssessedCapitalRequirementForCreditRisk
2454 Net exposure to counterparties in segments of less or equal to BB minus in relation to Tier One capital Concept (Percent) As Of sek:NetExposureToCounterpartiesInSegmentsOfLessOrEqualToBbMinusInRelationToTierOneCapital
2455 Market risk exposure Concept (Monetary) As Of sek:MarketRiskExposure
2456 Parallel shift of all yield curves (in basis points) Concept (Pure) As Of sek:ParallelShiftOfAllYieldCurves
2457 Interest rate sensitivity to 100 basis points parallel shift of all yield curves Concept (Monetary) As Of sek:InterestRateSensitivityTo100BasisPointsParallelShiftOfAllYieldCurves
2458 Parallel shift of interest rates (in basis points) Concept (Pure) As Of sek:ParallelShiftOfInterestRatesInBasisPoints
2459 Parallel shift of basis spreads (in basis points) Concept (Pure) As Of sek:ParallelShiftOfBasisSpreadsInBasisPoints
2460 Impact on future earnings margin resulting from change in interest rates of 100 basis points and change in basis spreads of 20 basis points Concept (Monetary) As Of sek:ImpactOnFutureEarningsMarginResultingFromChangeInInterestRatesOf100BasisPointsAndChangeInBasisSpreadsOf20BasisPoints
2461 Percentage of hedged interest-rate risk in loans outstanding in CIRR system Concept (Percent) As Of sek:PercentageOfHedgedInterestRateRiskInLoansOutstandingInCirrSystem
2462 Possible losses for which measures to minimize are to be taken without delay Concept (Monetary) For Period Debit sek:PossibleLossesForWhichMeasuresToMinimizeAreToBeTakenWithoutDelay
2463 Period for measures to minimize possible losses to be taken before Finance and Risk Committee is to be informed Concept (xbrli:durationItemType) For Period sek:PeriodForMeasuresToMinimizePossibleLossesToBeTakenBeforeFinanceAndRiskCommitteeIsToBeInformed
2464 Expected losses for which measures to reduce are to be taken without delay Concept (Monetary) For Period Debit sek:ExpectedLossesForWhichMeasuresToReduceAreToBeTakenWithoutDelay
2465 Period to reduce expected loss Concept (xbrli:durationItemType) For Period sek:PeriodToReduceExpectedLoss
2466 Risk appetite for expected losses Concept (Monetary) As Of sek:RiskAppetiteLosses
2467 Period to mitigate critical internal audit remarks Concept (xbrli:durationItemType) For Period sek:PeriodToMitigateCriticalInternalAuditRemarks
2468 Period to mitigate critical external audit remarks Concept (xbrli:durationItemType) For Period sek:PeriodToMitigateCriticalExternalAuditRemarks
2469 Gross lending to fossil operations Concept (Percent) For Period sek:PercentageOfLendingToFossilOperationsInRelationToTotalLending

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