3.25.2 html 258 220 1 true 77 0 false 6 false false R1.htm 75000 - Document - Document and Entity Information Sheet http://www.hessmidstream.com/20250630/taxonomy/role/Role_DocumentDocumentAndEntityInformation Document and Entity Information Cover 1 false false R2.htm 75010 - Statement - CONSOLIDATED BALANCE SHEETS (UNAUDITED) Sheet http://www.hessmidstream.com/20250630/taxonomy/role/StatementConsolidatedBalanceSheetsUnaudited CONSOLIDATED BALANCE SHEETS (UNAUDITED) Statements 2 false false R3.htm 75020 - Statement - CONSOLIDATED BALANCE SHEETS (UNAUDITED) (Parenthetical) Sheet http://www.hessmidstream.com/20250630/taxonomy/role/StatementConsolidatedBalanceSheetsUnauditedParenthetical CONSOLIDATED BALANCE SHEETS (UNAUDITED) (Parenthetical) Statements 3 false false R4.htm 75030 - Statement - CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED) Sheet http://www.hessmidstream.com/20250630/taxonomy/role/Role_StatementCONSOLIDATEDSTATEMENTSOFOPERATIONSUNAUDITED CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED) Statements 4 false false R5.htm 75040 - Statement - CONSOLIDATED STATEMENTS OF CHANGES IN PARTNERS' CAPITAL (DEFICIT) (UNAUDITED) Sheet http://www.hessmidstream.com/20250630/taxonomy/role/StatementConsolidatedStatementsOfChangesInPartnersCapitalDeficitUnaudited CONSOLIDATED STATEMENTS OF CHANGES IN PARTNERS' CAPITAL (DEFICIT) (UNAUDITED) Statements 5 false false R6.htm 75050 - Statement - CONSOLIDATED STATEMENTS OF CHANGES IN PARTNERS' CAPITAL (DEFICIT) (UNAUDITED) (Parenthetical) Sheet http://www.hessmidstream.com/20250630/taxonomy/role/StatementConsolidatedStatementsOfChangesInPartnersCapitalDeficitUnauditedParenthetical CONSOLIDATED STATEMENTS OF CHANGES IN PARTNERS' CAPITAL (DEFICIT) (UNAUDITED) (Parenthetical) Statements 6 false false R7.htm 75060 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) Sheet http://www.hessmidstream.com/20250630/taxonomy/role/Role_StatementCONSOLIDATEDSTATEMENTSOFCASHFLOWSUNAUDITED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) Statements 7 false false R8.htm 995410 - Disclosure - Pay vs Performance Disclosure Sheet http://xbrl.sec.gov/ecd/role/PvpDisclosure Pay vs Performance Disclosure Notes 8 false false R9.htm 995445 - Disclosure - Insider Trading Arrangements Sheet http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements Insider Trading Arrangements Notes 9 false false R10.htm 995455 - Disclosure - Basis of Presentation Sheet http://www.hessmidstream.com/20250630/taxonomy/role/Role_DisclosureBasisOfPresentation Basis of Presentation Notes 10 false false R11.htm 995465 - Disclosure - Equity Transactions Sheet http://www.hessmidstream.com/20250630/taxonomy/role/DisclosureEquityTransactions1 Equity Transactions Notes 11 false false R12.htm 995475 - Disclosure - Related Party Transactions Sheet http://www.hessmidstream.com/20250630/taxonomy/role/Role_DisclosureRelatedPartyTransactions Related Party Transactions Notes 12 false false R13.htm 995485 - Disclosure - Property, Plant and Equipment Sheet http://www.hessmidstream.com/20250630/taxonomy/role/Role_DisclosurePropertyPlantAndEquipment Property, Plant and Equipment Notes 13 false false R14.htm 995495 - Disclosure - Accrued Liabilities Sheet http://www.hessmidstream.com/20250630/taxonomy/role/Role_DisclosureAccruedLiabilities Accrued Liabilities Notes 14 false false R15.htm 995505 - Disclosure - Debt and Interest Expense Sheet http://www.hessmidstream.com/20250630/taxonomy/role/Role_DisclosureDebtAndInterestExpense Debt and Interest Expense Notes 15 false false R16.htm 995515 - Disclosure - Partners' Capital and Distributions Sheet http://www.hessmidstream.com/20250630/taxonomy/role/Role_DisclosurePartnersCapitalAndDistributions Partners' Capital and Distributions Notes 16 false false R17.htm 995525 - Disclosure - Earnings per Share Sheet http://www.hessmidstream.com/20250630/taxonomy/role/Role_DisclosureEarningsPerShare Earnings per Share Notes 17 false false R18.htm 995535 - Disclosure - Concentration of Credit Risk Sheet http://www.hessmidstream.com/20250630/taxonomy/role/Role_DisclosureConcentrationOfCreditRisk Concentration of Credit Risk Notes 18 false false R19.htm 995545 - Disclosure - Commitments and Contingencies Sheet http://www.hessmidstream.com/20250630/taxonomy/role/Role_DisclosureCommitmentsAndContingencies Commitments and Contingencies Notes 19 false false R20.htm 995555 - Disclosure - Segments Sheet http://www.hessmidstream.com/20250630/taxonomy/role/Role_DisclosureSegments Segments Notes 20 false false R21.htm 995565 - Disclosure - Subsequent Events Sheet http://www.hessmidstream.com/20250630/taxonomy/role/Role_DisclosureSubsequentEvents Subsequent Events Notes 21 false false R22.htm 995575 - Disclosure - Basis of Presentation (Policies) Sheet http://www.hessmidstream.com/20250630/taxonomy/role/Role_DisclosureBasisOfPresentationPolicies Basis of Presentation (Policies) Policies 22 false false R23.htm 995585 - Disclosure - Related Party Transactions (Tables) Sheet http://www.hessmidstream.com/20250630/taxonomy/role/Role_DisclosureRelatedPartyTransactionsTables Related Party Transactions (Tables) Tables http://www.hessmidstream.com/20250630/taxonomy/role/Role_DisclosureRelatedPartyTransactions 23 false false R24.htm 995595 - Disclosure - Property, Plant and Equipment (Tables) Sheet http://www.hessmidstream.com/20250630/taxonomy/role/Role_DisclosurePropertyPlantAndEquipmentTables Property, Plant and Equipment (Tables) Tables http://www.hessmidstream.com/20250630/taxonomy/role/Role_DisclosurePropertyPlantAndEquipment 24 false false R25.htm 995605 - Disclosure - Accrued Liabilities (Tables) Sheet http://www.hessmidstream.com/20250630/taxonomy/role/Role_DisclosureAccruedLiabilitiesTables Accrued Liabilities (Tables) Tables http://www.hessmidstream.com/20250630/taxonomy/role/Role_DisclosureAccruedLiabilities 25 false false R26.htm 995615 - Disclosure - Partners' Capital and Distributions (Tables) Sheet http://www.hessmidstream.com/20250630/taxonomy/role/Role_DisclosurePartnersCapitalAndDistributionsTables Partners' Capital and Distributions (Tables) Tables http://www.hessmidstream.com/20250630/taxonomy/role/Role_DisclosurePartnersCapitalAndDistributions 26 false false R27.htm 995625 - Disclosure - Earnings per Share (Tables) Sheet http://www.hessmidstream.com/20250630/taxonomy/role/Role_DisclosureEarningsPerShareTables Earnings per Share (Tables) Tables http://www.hessmidstream.com/20250630/taxonomy/role/Role_DisclosureEarningsPerShare 27 false false R28.htm 995635 - Disclosure - Segments (Tables) Sheet http://www.hessmidstream.com/20250630/taxonomy/role/Role_DisclosureSegmentsTables Segments (Tables) Tables http://www.hessmidstream.com/20250630/taxonomy/role/Role_DisclosureSegments 28 false false R29.htm 995645 - Disclosure - Basis of Presentation - Additional Information (Detail) Sheet http://www.hessmidstream.com/20250630/taxonomy/role/Role_DisclosureBasisOfPresentationAdditionalInformationDetail Basis of Presentation - Additional Information (Detail) Details 29 false false R30.htm 995655 - Disclosure - Equity Transactions - Additional Information (Detail) Sheet http://www.hessmidstream.com/20250630/taxonomy/role/DisclosureEquityTransactionsAdditionalInformationDetail Equity Transactions - Additional Information (Detail) Details 30 false false R31.htm 995665 - Disclosure - Related Party Transactions - Additional Information (Detail) Sheet http://www.hessmidstream.com/20250630/taxonomy/role/Role_DisclosureRelatedPartyTransactionsAdditionalInformationDetail Related Party Transactions - Additional Information (Detail) Details 31 false false R32.htm 995675 - Disclosure - Related Party Transactions - Summary of Revenues From Contracts With Customers Including Affiliated Services and Third-party Services on Disaggregated Basis (Detail) Sheet http://www.hessmidstream.com/20250630/taxonomy/role/DisclosureRelatedPartyTransactionsSummaryOfRevenuesFromContractsWithCustomersIncludingAffiliatedServicesAndThirdpartyServicesOnDisaggregated Related Party Transactions - Summary of Revenues From Contracts With Customers Including Affiliated Services and Third-party Services on Disaggregated Basis (Detail) Details 32 false false R33.htm 995695 - Disclosure - Related Party Transactions - Summary of Third-party Pass-through Costs for Which Revenues in Amount Equal to Costs are Recognized (Detail) Sheet http://www.hessmidstream.com/20250630/taxonomy/role/Role_DisclosureRelatedPartyTransactionsSummaryOfThirdPartyPassThroughCostsForWhichRevenuesInAmountEqualToCostsAreRecognizedDetail Related Party Transactions - Summary of Third-party Pass-through Costs for Which Revenues in Amount Equal to Costs are Recognized (Detail) Details 33 false false R34.htm 995705 - Disclosure - Related Party Transactions - Summary of Classification of Charges between Operating and Maintenance Expenses and General and Administrative Expenses (Detail) Sheet http://www.hessmidstream.com/20250630/taxonomy/role/Role_DisclosureRelatedPartyTransactionsSummaryOfClassificationOfChargesBetweenOperatingAndMaintenanceExpensesAndGeneralAndAdministrativeExpensesDetail Related Party Transactions - Summary of Classification of Charges between Operating and Maintenance Expenses and General and Administrative Expenses (Detail) Details 34 false false R35.htm 995715 - Disclosure - Related Party Transactions - Summary of Activity Related to Agreements with Related Party (Detail) Sheet http://www.hessmidstream.com/20250630/taxonomy/role/Role_DisclosureRelatedPartyTransactionsSummaryOfActivityRelatedToAgreementsWithRelatedPartyDetail Related Party Transactions - Summary of Activity Related to Agreements with Related Party (Detail) Details 35 false false R36.htm 995725 - Disclosure - Property, Plant and Equipment - Components of Property, Plant and Equipment (Detail) Sheet http://www.hessmidstream.com/20250630/taxonomy/role/Role_DisclosurePropertyPlantAndEquipmentComponentsOfPropertyPlantAndEquipmentDetail Property, Plant and Equipment - Components of Property, Plant and Equipment (Detail) Details 36 false false R37.htm 995735 - Disclosure - Accrued Liabilities - Schedule of Accrued Liabilities (Detail) Sheet http://www.hessmidstream.com/20250630/taxonomy/role/Role_DisclosureAccruedLiabilitiesScheduleOfAccruedLiabilitiesDetail Accrued Liabilities - Schedule of Accrued Liabilities (Detail) Details 37 false false R38.htm 995745 - Disclosure - Debt and Interest Expense - Additional Information (Detail) Sheet http://www.hessmidstream.com/20250630/taxonomy/role/Role_DisclosureDebtAndInterestExpenseAdditionalInformationDetail Debt and Interest Expense - Additional Information (Detail) Details 38 false false R39.htm 995755 - Disclosure - Partners' Capital and Distributions - Additional Information (Detail) Sheet http://www.hessmidstream.com/20250630/taxonomy/role/Role_DisclosurePartnersCapitalAndDistributionsAdditionalInformationDetail Partners' Capital and Distributions - Additional Information (Detail) Details 39 false false R40.htm 995765 - Disclosure - Partners' Capital and Distributions - Schedule of Distributions Declared and Paid (Detail) Sheet http://www.hessmidstream.com/20250630/taxonomy/role/Role_DisclosurePartnersCapitalAndDistributionsScheduleOfDistributionsDeclaredAndPaidDetail Partners' Capital and Distributions - Schedule of Distributions Declared and Paid (Detail) Details 40 false false R41.htm 995775 - Disclosure - Earnings per Share - Additional Information (Detail) Sheet http://www.hessmidstream.com/20250630/taxonomy/role/Role_DisclosureEarningsPerShareAdditionalInformationDetail Earnings per Share - Additional Information (Detail) Details 41 false false R42.htm 995785 - Disclosure - Earnings per Share - Schedule of Earnings per Share (Detail) Sheet http://www.hessmidstream.com/20250630/taxonomy/role/Role_DisclosureEarningsPerShareScheduleOfEarningsPerShareDetail Earnings per Share - Schedule of Earnings per Share (Detail) Details 42 false false R43.htm 995795 - Disclosure - Concentration of Credit Risk - Additional Information (Detail) Sheet http://www.hessmidstream.com/20250630/taxonomy/role/Role_DisclosureConcentrationOfCreditRiskAdditionalInformationDetail Concentration of Credit Risk - Additional Information (Detail) Details 43 false false R44.htm 995805 - Disclosure - Commitments and Contingencies - Additional Information (Detail) Sheet http://www.hessmidstream.com/20250630/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail Commitments and Contingencies - Additional Information (Detail) Details 44 false false R45.htm 995815 - Disclosure - Segments - Additional Information (Detail) Sheet http://www.hessmidstream.com/20250630/taxonomy/role/Role_DisclosureSegmentsAdditionalInformationDetail Segments - Additional Information (Detail) Details 45 false false R46.htm 995825 - Disclosure - Segments - Financial Data for Each Reportable Segment (Detail) Sheet http://www.hessmidstream.com/20250630/taxonomy/role/Role_DisclosureSegmentsFinancialDataForEachReportableSegmentDetail Segments - Financial Data for Each Reportable Segment (Detail) Details 46 false false R47.htm 995835 - Disclosure - Segments - Reconciliation of Reportable Segment Adjusted EBITDA to Income Before Income Tax Expense (Detail) Sheet http://www.hessmidstream.com/20250630/taxonomy/role/DisclosureSegmentsReconciliationOfReportableSegmentAdjustedEbitdaToIncomeBeforeIncomeTaxExpenseDetail Segments - Reconciliation of Reportable Segment Adjusted EBITDA to Income Before Income Tax Expense (Detail) Details 47 false false R48.htm 995845 - Disclosure - Segments - Total Assets for Reportable Segments (Detail) Sheet http://www.hessmidstream.com/20250630/taxonomy/role/Role_DisclosureSegmentsTotalAssetsForReportableSegmentsDetail Segments - Total Assets for Reportable Segments (Detail) Details 48 false false R49.htm 995855 - Disclosure - Segments - Total Assets for Reportable Segments (Parenthetical) (Detail) Sheet http://www.hessmidstream.com/20250630/taxonomy/role/Role_DisclosureSegmentsTotalAssetsForReportableSegmentsParentheticalDetail Segments - Total Assets for Reportable Segments (Parenthetical) (Detail) Details 49 false false R50.htm 995865 - Disclosure - Subsequent Events - Additional Information (Detail) Sheet http://www.hessmidstream.com/20250630/taxonomy/role/Role_DisclosureSubsequentEventsAdditionalInformationDetail Subsequent Events - Additional Information (Detail) Details 50 false false All Reports Book All Reports hesm-20250630.htm hesm-20250630.xsd http://fasb.org/us-gaap/2025 http://xbrl.sec.gov/dei/2025 http://xbrl.sec.gov/ecd/2025 false false