3.26.1 html 322 429 1 true 113 0 false 4 false false R1.htm 0000001 - Document - Document and Entity Information Document Sheet http://fhlb.com/role/DocumentandEntityInformationDocument Document and Entity Information Document Cover 1 false false R2.htm 9952151 - Statement - Statements of Condition (Unaudited) Sheet http://fhlb.com/role/StatementsofConditionUnaudited Statements of Condition (Unaudited) Statements 2 false false R3.htm 9952152 - Statement - Statements of Condition (Unaudited) Parenthetical Sheet http://fhlb.com/role/StatementsofConditionUnauditedParenthetical Statements of Condition (Unaudited) Parenthetical Statements 3 false false R4.htm 9952153 - Statement - Statements of Income (Unaudited) Sheet http://fhlb.com/role/StatementsofIncomeUnaudited Statements of Income (Unaudited) Statements 4 false false R5.htm 9952154 - Statement - Statements of Comprehensive Income (Unaudited) Sheet http://fhlb.com/role/StatementsofComprehensiveIncomeUnaudited Statements of Comprehensive Income (Unaudited) Statements 5 false false R6.htm 9952155 - Statement - Statements of Capital (Unaudited) Sheet http://fhlb.com/role/StatementsofCapitalUnaudited Statements of Capital (Unaudited) Statements 6 false false R7.htm 9952156 - Statement - Statements of Capital (Unaudited) Parenthetical Sheet http://fhlb.com/role/StatementsofCapitalUnauditedParenthetical Statements of Capital (Unaudited) Parenthetical Statements 7 false false R8.htm 9952157 - Statement - Statements of Cash Flows (Unaudited) Sheet http://fhlb.com/role/StatementsofCashFlowsUnaudited Statements of Cash Flows (Unaudited) Statements 8 false false R9.htm 9952158 - Disclosure - Basis of Presentation Sheet http://fhlb.com/role/BasisofPresentation Basis of Presentation Notes 9 false false R10.htm 9952159 - Disclosure - Recently Issued Accounting Guidance Sheet http://fhlb.com/role/RecentlyIssuedAccountingGuidance Recently Issued Accounting Guidance Notes 10 false false R11.htm 9952160 - Disclosure - Trading Securities Sheet http://fhlb.com/role/TradingSecurities Trading Securities Notes 11 false false R12.htm 9952161 - Disclosure - Available-for-Sale Securities Sheet http://fhlb.com/role/AvailableforSaleSecurities Available-for-Sale Securities Notes 12 false false R13.htm 9952162 - Disclosure - Held-to-Maturity Securities Sheet http://fhlb.com/role/HeldtoMaturitySecurities Held-to-Maturity Securities Notes 13 false false R14.htm 9952163 - Disclosure - Advances Sheet http://fhlb.com/role/Advances Advances Notes 14 false false R15.htm 9952164 - Disclosure - Mortgage Loans Held for Portfolio (Notes) Notes http://fhlb.com/role/MortgageLoansHeldforPortfolioNotes Mortgage Loans Held for Portfolio (Notes) Notes 15 false false R16.htm 9952165 - Disclosure - Accrued Interest Receivable (Notes) Notes http://fhlb.com/role/AccruedInterestReceivableNotes Accrued Interest Receivable (Notes) Notes 16 false false R17.htm 9952166 - Disclosure - Allowance for Credit Losses Sheet http://fhlb.com/role/AllowanceforCreditLosses Allowance for Credit Losses Notes 17 false false R18.htm 9952167 - Disclosure - Consolidated Obligations Sheet http://fhlb.com/role/ConsolidatedObligations Consolidated Obligations Notes 18 false false R19.htm 9952168 - Disclosure - Affordable Housing Program ("AHP") Sheet http://fhlb.com/role/AffordableHousingProgramAHP Affordable Housing Program ("AHP") Notes 19 false false R20.htm 9952169 - Disclosure - Assets and Liabilities Subject to Offsetting Sheet http://fhlb.com/role/AssetsandLiabilitiesSubjecttoOffsetting Assets and Liabilities Subject to Offsetting Notes 20 false false R21.htm 9952170 - Disclosure - Derivatives and Hedging Activities Sheet http://fhlb.com/role/DerivativesandHedgingActivities Derivatives and Hedging Activities Notes 21 false false R22.htm 9952171 - Disclosure - Capital Sheet http://fhlb.com/role/Capital Capital Notes 22 false false R23.htm 9952173 - Disclosure - Estimated Fair Values Sheet http://fhlb.com/role/EstimatedFairValues Estimated Fair Values Notes 23 false false R24.htm 9952174 - Disclosure - Commitments and Contingencies Sheet http://fhlb.com/role/CommitmentsandContingencies Commitments and Contingencies Notes 24 false false R25.htm 9952175 - Disclosure - Transactions with Shareholders Sheet http://fhlb.com/role/TransactionswithShareholders Transactions with Shareholders Notes 25 false false R26.htm 9952176 - Disclosure - Transactions with Other FHLBanks Sheet http://fhlb.com/role/TransactionswithOtherFHLBanks Transactions with Other FHLBanks Notes 26 false false R27.htm 9952177 - Disclosure - Accumulated Other Comprehensive Income (Loss) Sheet http://fhlb.com/role/AccumulatedOtherComprehensiveIncomeLoss Accumulated Other Comprehensive Income (Loss) Notes 27 false false R28.htm 995445 - Disclosure - Insider Trading Arrangements Sheet http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements Insider Trading Arrangements Notes 28 false false R29.htm 9955511 - Disclosure - Basis of Presentation (Policies) Sheet http://fhlb.com/role/BasisofPresentationPolicies Basis of Presentation (Policies) Policies http://fhlb.com/role/RecentlyIssuedAccountingGuidance 29 false false R30.htm 9955512 - Disclosure - Investments, Debt and Equity Securities (Tables) Sheet http://fhlb.com/role/InvestmentsDebtandEquitySecuritiesTables Investments, Debt and Equity Securities (Tables) Tables 30 false false R31.htm 9955513 - Disclosure - Available-for-Sale Securities (Tables) Sheet http://fhlb.com/role/AvailableforSaleSecuritiesTables Available-for-Sale Securities (Tables) Tables http://fhlb.com/role/AvailableforSaleSecurities 31 false false R32.htm 9955514 - Disclosure - Held-to-Maturity Securities (Tables) Sheet http://fhlb.com/role/HeldtoMaturitySecuritiesTables Held-to-Maturity Securities (Tables) Tables http://fhlb.com/role/HeldtoMaturitySecurities 32 false false R33.htm 9955515 - Disclosure - Advances (Tables) Sheet http://fhlb.com/role/AdvancesTables Advances (Tables) Tables http://fhlb.com/role/Advances 33 false false R34.htm 9955516 - Disclosure - Mortgage Loans Held for Portfolio (Tables) Sheet http://fhlb.com/role/MortgageLoansHeldforPortfolioTables Mortgage Loans Held for Portfolio (Tables) Tables http://fhlb.com/role/MortgageLoansHeldforPortfolioNotes 34 false false R35.htm 9955517 - Disclosure - Accrued Interest (Tables) Sheet http://fhlb.com/role/AccruedInterestTables Accrued Interest (Tables) Tables http://fhlb.com/role/AccruedInterestReceivableNotes 35 false false R36.htm 9955518 - Disclosure - Allowance for Credit Losses (Tables) Sheet http://fhlb.com/role/AllowanceforCreditLossesTables Allowance for Credit Losses (Tables) Tables http://fhlb.com/role/AllowanceforCreditLosses 36 false false R37.htm 9955519 - Disclosure - Consolidated Obligations (Tables) Sheet http://fhlb.com/role/ConsolidatedObligationsTables Consolidated Obligations (Tables) Tables http://fhlb.com/role/ConsolidatedObligations 37 false false R38.htm 9955520 - Disclosure - Affordable Housing Program ("AHP") (Tables) Sheet http://fhlb.com/role/AffordableHousingProgramAHPTables Affordable Housing Program ("AHP") (Tables) Tables http://fhlb.com/role/AffordableHousingProgramAHP 38 false false R39.htm 9955521 - Disclosure - Assets and Liabilities Subject to Offsetting (Tables) Sheet http://fhlb.com/role/AssetsandLiabilitiesSubjecttoOffsettingTables Assets and Liabilities Subject to Offsetting (Tables) Tables http://fhlb.com/role/AssetsandLiabilitiesSubjecttoOffsetting 39 false false R40.htm 9955522 - Disclosure - Derivatives and Hedging Activities (Tables) Sheet http://fhlb.com/role/DerivativesandHedgingActivitiesTables Derivatives and Hedging Activities (Tables) Tables http://fhlb.com/role/DerivativesandHedgingActivities 40 false false R41.htm 9955523 - Disclosure - Capital (Tables) Sheet http://fhlb.com/role/CapitalTables Capital (Tables) Tables http://fhlb.com/role/Capital 41 false false R42.htm 9955525 - Disclosure - Fair Value Measures and Disclosures (Tables) Sheet http://fhlb.com/role/FairValueMeasuresandDisclosuresTables Fair Value Measures and Disclosures (Tables) Tables 42 false false R43.htm 9955526 - Disclosure - Financial Services, Federal Home Loan Banks (Tables) Sheet http://fhlb.com/role/FinancialServicesFederalHomeLoanBanksTables Financial Services, Federal Home Loan Banks (Tables) Tables 43 false false R44.htm 9955527 - Disclosure - Accumulated Other Comprehensive Income (Loss) (Tables) Sheet http://fhlb.com/role/AccumulatedOtherComprehensiveIncomeLossTables Accumulated Other Comprehensive Income (Loss) (Tables) Tables http://fhlb.com/role/AccumulatedOtherComprehensiveIncomeLoss 44 false false R45.htm 9955529 - Disclosure - Trading Securities (Details) Sheet http://fhlb.com/role/TradingSecuritiesDetails Trading Securities (Details) Details http://fhlb.com/role/TradingSecurities 45 false false R46.htm 9955530 - Disclosure - Available-for-Sale Securities (Details) Sheet http://fhlb.com/role/AvailableforSaleSecuritiesDetails Available-for-Sale Securities (Details) Details http://fhlb.com/role/AvailableforSaleSecuritiesTables 46 false false R47.htm 9955531 - Disclosure - Held-to-Maturity Securities (Details) Sheet http://fhlb.com/role/HeldtoMaturitySecuritiesDetails Held-to-Maturity Securities (Details) Details http://fhlb.com/role/HeldtoMaturitySecuritiesTables 47 false false R48.htm 9955532 - Disclosure - Advances Redemption Terms (Details) Sheet http://fhlb.com/role/AdvancesRedemptionTermsDetails Advances Redemption Terms (Details) Details 48 false false R49.htm 9955533 - Disclosure - Advances Outstanding by the Earlier of Contractual Maturity or Next Call Date (Details) Sheet http://fhlb.com/role/AdvancesOutstandingbytheEarlierofContractualMaturityorNextCallDateDetails Advances Outstanding by the Earlier of Contractual Maturity or Next Call Date (Details) Details 49 false false R50.htm 9955534 - Disclosure - Advances Outstanding by the Earlier of Contractual Maturity or Next Put Date (Details) Sheet http://fhlb.com/role/AdvancesOutstandingbytheEarlierofContractualMaturityorNextPutDateDetails Advances Outstanding by the Earlier of Contractual Maturity or Next Put Date (Details) Details 50 false false R51.htm 9955535 - Disclosure - Advances Interest Rate Payment Terms (Details) Sheet http://fhlb.com/role/AdvancesInterestRatePaymentTermsDetails Advances Interest Rate Payment Terms (Details) Details 51 false false R52.htm 9955536 - Disclosure - Advances Narrative (Details) Sheet http://fhlb.com/role/AdvancesNarrativeDetails Advances Narrative (Details) Details 52 false false R53.htm 9955537 - Disclosure - Mortgage Loans Held for Portfolio (Details) Sheet http://fhlb.com/role/MortgageLoansHeldforPortfolioDetails Mortgage Loans Held for Portfolio (Details) Details http://fhlb.com/role/MortgageLoansHeldforPortfolioTables 53 false false R54.htm 9955538 - Disclosure - Accrued Interest (Details) Sheet http://fhlb.com/role/AccruedInterestDetails Accrued Interest (Details) Details http://fhlb.com/role/AccruedInterestTables 54 false false R55.htm 9955539 - Disclosure - Allowance for Credit Losses (Details) Sheet http://fhlb.com/role/AllowanceforCreditLossesDetails Allowance for Credit Losses (Details) Details http://fhlb.com/role/AllowanceforCreditLossesTables 55 false false R56.htm 9955540 - Disclosure - Consolidated Obligations (Details) Sheet http://fhlb.com/role/ConsolidatedObligationsDetails Consolidated Obligations (Details) Details http://fhlb.com/role/ConsolidatedObligationsTables 56 false false R57.htm 9955541 - Disclosure - Consolidated Obligations Interest Rate Payment Terms (Details) Sheet http://fhlb.com/role/ConsolidatedObligationsInterestRatePaymentTermsDetails Consolidated Obligations Interest Rate Payment Terms (Details) Details 57 false false R58.htm 9955542 - Disclosure - Consolidated Obligations Redemption Terms (Details) Sheet http://fhlb.com/role/ConsolidatedObligationsRedemptionTermsDetails Consolidated Obligations Redemption Terms (Details) Details 58 false false R59.htm 9955543 - Disclosure - Consolidated Obligations Callable/Non-callable (Details) Sheet http://fhlb.com/role/ConsolidatedObligationsCallableNoncallableDetails Consolidated Obligations Callable/Non-callable (Details) Details 59 false false R60.htm 9955544 - Disclosure - Consolidated Obligations Contractual Maturity or Next Call Date (Details) Sheet http://fhlb.com/role/ConsolidatedObligationsContractualMaturityorNextCallDateDetails Consolidated Obligations Contractual Maturity or Next Call Date (Details) Details 60 false false R61.htm 9955545 - Disclosure - Consolidated Obligations Discount Notes (Details) Notes http://fhlb.com/role/ConsolidatedObligationsDiscountNotesDetails Consolidated Obligations Discount Notes (Details) Details 61 false false R62.htm 9955546 - Disclosure - Affordable Housing Program ("AHP") (Details) Sheet http://fhlb.com/role/AffordableHousingProgramAHPDetails Affordable Housing Program ("AHP") (Details) Details http://fhlb.com/role/AffordableHousingProgramAHPTables 62 false false R63.htm 9955547 - Disclosure - Assets and Liabilities Subject to Offsetting (Details) Sheet http://fhlb.com/role/AssetsandLiabilitiesSubjecttoOffsettingDetails Assets and Liabilities Subject to Offsetting (Details) Details http://fhlb.com/role/AssetsandLiabilitiesSubjecttoOffsettingTables 63 false false R64.htm 9955548 - Disclosure - Derivatives and Hedging Activities (Derivatives in Statement of Condition) (Details) Sheet http://fhlb.com/role/DerivativesandHedgingActivitiesDerivativesinStatementofConditionDetails Derivatives and Hedging Activities (Derivatives in Statement of Condition) (Details) Details http://fhlb.com/role/DerivativesandHedgingActivitiesTables 64 false false R65.htm 9955549 - Disclosure - Derivatives and Hedging Activities (Net gains (losses) on fair value and cash flow hedges) (Details) Sheet http://fhlb.com/role/DerivativesandHedgingActivitiesNetgainslossesonfairvalueandcashflowhedgesDetails Derivatives and Hedging Activities (Net gains (losses) on fair value and cash flow hedges) (Details) Details http://fhlb.com/role/DerivativesandHedgingActivitiesTables 65 false false R66.htm 9955550 - Disclosure - Derivatives and Hedging Activities Cumulative Basis Adjustments for Fair Value Hedges (Details) Sheet http://fhlb.com/role/DerivativesandHedgingActivitiesCumulativeBasisAdjustmentsforFairValueHedgesDetails Derivatives and Hedging Activities Cumulative Basis Adjustments for Fair Value Hedges (Details) Details 66 false false R67.htm 9955551 - Disclosure - Derivatives and Hedging Activities (Net gains (losses) on derivatives and hedging activities in other income (loss)) (Details) Sheet http://fhlb.com/role/DerivativesandHedgingActivitiesNetgainslossesonderivativesandhedgingactivitiesinotherincomelossDetails Derivatives and Hedging Activities (Net gains (losses) on derivatives and hedging activities in other income (loss)) (Details) Details http://fhlb.com/role/DerivativesandHedgingActivitiesTables 67 false false R68.htm 9955552 - Disclosure - Derivatives and Hedging Activities (Narrative) (Details) Sheet http://fhlb.com/role/DerivativesandHedgingActivitiesNarrativeDetails Derivatives and Hedging Activities (Narrative) (Details) Details http://fhlb.com/role/DerivativesandHedgingActivitiesTables 68 false false R69.htm 9955553 - Disclosure - Capital (Details) Sheet http://fhlb.com/role/CapitalDetails Capital (Details) Details http://fhlb.com/role/CapitalTables 69 false false R70.htm 9955555 - Disclosure - Fair Value Measures and Disclosures (Details) Sheet http://fhlb.com/role/FairValueMeasuresandDisclosuresDetails Fair Value Measures and Disclosures (Details) Details http://fhlb.com/role/FairValueMeasuresandDisclosuresTables 70 false false R71.htm 9955556 - Disclosure - Commitments and Contingencies (Details) Sheet http://fhlb.com/role/CommitmentsandContingenciesDetails Commitments and Contingencies (Details) Details http://fhlb.com/role/CommitmentsandContingencies 71 false false R72.htm 9955557 - Disclosure - Transactions with Other FHLBanks (Details) Sheet http://fhlb.com/role/TransactionswithOtherFHLBanksDetails Transactions with Other FHLBanks (Details) Details http://fhlb.com/role/TransactionswithOtherFHLBanks 72 false false R73.htm 9955558 - Disclosure - Accumulated Other Comprehensive Income (Loss) (Details) Sheet http://fhlb.com/role/AccumulatedOtherComprehensiveIncomeLossDetails Accumulated Other Comprehensive Income (Loss) (Details) Details http://fhlb.com/role/AccumulatedOtherComprehensiveIncomeLossTables 73 false false All Reports Book All Reports fhlbd-20260331.htm fhlbd-20260331.xsd fhlbd-20260331_cal.xml fhlbd-20260331_def.xml fhlbd-20260331_lab.xml fhlbd-20260331_pre.xml http://fasb.org/us-gaap/2025 http://xbrl.sec.gov/dei/2025 http://xbrl.sec.gov/ecd/2025 true true