Hess Midstream LP (Detail) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2025 USD ($) shares ft³	Mar. 31, 2024 USD ($) shares	Dec. 31, 2024 USD ($)
Variable Interest Entity [Line Items]
Liabilities	$ 14,753		$ 14,548
Cash and Cash Equivalent	1,324		1,171
Property, plant and equipment, net	$ 20,422		19,921
Joint venture percentage owned by Targa Resources Corp	50.00%
Processing fees incurred	$ 8	$ 7
Number of Class A shares of subsidiary public offering (in shares) | shares	12.7	11.5
Sale of Class A shares of Hess Midstream LP	$ 129	$ 94
Number of Class B units repurchased by Hess Midstream LP (in shares) | shares	2.6	2.8
Proceeds from repurchase of units held by Hess Corporation and Global Infrastructure Partners, by Hess Midstream Operations LP	$ 100	$ 100
Deferred tax impact to noncontrolling interests from repurchase of units held by parent by consolidated subsidiary	12	9
Proceeds to noncontrolling interests from repurchase of units held by parent by consolidated subsidiary	62	62
Noncontrolling Interests
Variable Interest Entity [Line Items]
Sale of Class A shares of Hess Midstream LP	$ 129	$ 94
Little Missouri Four
Variable Interest Entity [Line Items]
Gas processing capacity of LM4 | ft³	200,000,000
Equity Method Investment, Ownership Percentage	50.00%
Hess Midstream LP
Variable Interest Entity [Line Items]
Percent interest in consolidated entity	38.00%
Variable Interest Entity | Hess Midstream LP
Variable Interest Entity [Line Items]
Cash and Cash Equivalent	$ 6		4
Property, plant and equipment, net	3,324		3,325
Variable Interest Entity | Hess Midstream LP | Nonrecourse
Variable Interest Entity [Line Items]
Liabilities	3,711		3,652
Variable Interest Entity | Hess Midstream LP | Little Missouri Four
Variable Interest Entity [Line Items]
Equity method investment in LM4	$ 86		$ 87