Partners' Capital and Distributions - Additional Information (Detail) - shares	12 Months Ended
	Dec. 31, 2025	Jul. 18, 2025	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Limited Partners Capital Account [Line Items]
Period of cash distribution to shareholders	45 days
Number of units hold in partnership	207,686,540		218,014,126	226,309,088	239,850,452
Conversion of Class B units and Class B shares into Class A shares	100.00%
Class A Shares
Limited Partners Capital Account [Line Items]
Number of units hold in partnership	129,403,244	449,000	104,086,900	68,367,647	44,002,846
Class B Shares
Limited Partners Capital Account [Line Items]
Number of units hold in partnership	78,283,296		113,927,226	157,941,441	195,847,606
Sponsors
Limited Partners Capital Account [Line Items]
Number of units hold in partnership	449,000		898,000	898,000	898,000
Sponsors \| Class A Shares
Limited Partners Capital Account [Line Items]
Number of units hold in partnership	449,000
Sponsors \| Class B Shares
Limited Partners Capital Account [Line Items]
Number of units hold in partnership	78,283,296

Hess Midstream LP 10-K