CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED) - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Revenues
Revenues	$ 354.7	$ 304.3
Type of Revenue [Extensible List]	us-gaap:ServiceMember	us-gaap:ServiceMember
Other income	$ 0.9	$ 0.7
Total revenues	355.6	305.0
Costs and expenses
Operating and maintenance expenses (exclusive of depreciation shown separately below)	78.1	62.5
Depreciation expense	49.8	47.4
General and administrative expenses	5.7	6.4
Total operating costs and expenses	133.6	116.3
Income from operations	222.0	188.7
Income from equity investments	2.7	1.6
Interest expense, net	48.5	41.6
Income before income tax expense	176.2	148.7
Income tax expense	14.3	6.5
Net income	161.9	142.2
Less: Net income attributable to noncontrolling interest	117.3	121.5
Net income attributable to Hess Midstream LP	44.6	20.7
Affiliate services
Revenues
Revenues	349.4	303.4
Third-party services
Revenues
Revenues	$ 5.3	$ 0.9
Class A Shares
Net income attributable to Hess Midstream LP per Class A share:
Net income attributable to Hess Midstream LP per Class A share, Basic	$ 0.60	$ 0.47
Net income attributable to Hess Midstream LP per Class A share, Diluted	$ 0.59	$ 0.47
Weighted average Class A shares outstanding
Weighted average Class A shares outstanding, Basic	75.1	44.0
Weighted average Class A shares outstanding, Diluted	75.2	44.1