Basis of Presentation - Additional Information (Detail)	9 Months Ended	12 Months Ended
Sep. 30, 2024	Dec. 31, 2023
Hess Corporation and GIP II Blue Holding, L.P.
Accounting Policies [Line Items]
Noncontrolling interest percentage	52.30%	69.80%

Limited liability company LLC or limited partnership LP managing member or general partner ownership non-controlling economic interest.

No definition available.

Name:	hesm_LimitedLiabilityCompanyLLCOrLimitedPartnershipLPManagingMemberOrGeneralPartnerOwnershipNonControllingEconomicInterest
Namespace Prefix:	hesm_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration