Hess Midstream LP (Detail) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024 USD ($) ft³	Jun. 30, 2023 USD ($)	Jun. 30, 2024 USD ($) shares ft³	Jun. 30, 2023 USD ($) shares	Dec. 31, 2023 USD ($)
Variable Interest Entity [Line Items]
Liabilities	$ 14,609		$ 14,609		$ 14,405
Cash and cash equivalents	2,025		2,025		1,688
Property, plant and equipment, net	$ 18,429		$ 18,429		17,432
Joint venture percentage owned by Targa Resources Corp	50.00%		50.00%
Processing fees incurred	$ 8	$ 6	$ 15	$ 11
Number of underwritten public equity offerings completed			2
Number of Class A shares of subsidiary public offering (in shares) | shares			23.0	12.8
Proceeds from sale of Class A shares of Hess Midstream LP			$ 0	$ 167
Sale of Class A shares of Hess Midstream LP	100	251	194	251
Deferred tax impact to noncontrolling interests from sale of units held by parent by consolidated subsidiary			$ 194	$ 84
Number of Class B units repurchased by Hess Midstream LP (in shares) | shares			5.5	7.0
Proceeds from repurchase of units held by Hess Corporation and Global Infrastructure Partners, by Hess Midstream Operations LP			$ 200	$ 200
Repurchase of Class B units of Hess Midstream Operations LP	(52)	(44)	(105)	(90)
Deferred tax impact to noncontrolling interests from repurchase of units held by parent by consolidated subsidiary			19	10
Proceeds to noncontrolling interests from repurchase of units held by parent by consolidated subsidiary			124	100
Capital in Excess of Par
Variable Interest Entity [Line Items]
Sale of Class A shares of Hess Midstream LP	0	158	0	158
Repurchase of Class B units of Hess Midstream Operations LP	0	11	0	19
Noncontrolling Interests
Variable Interest Entity [Line Items]
Sale of Class A shares of Hess Midstream LP	100	93	194	93
Repurchase of Class B units of Hess Midstream Operations LP	$ (52)	$ (55)	$ (105)	(109)
Noncontrolling Interests | Change In Ownership
Variable Interest Entity [Line Items]
Sale of Class A shares of Hess Midstream LP				$ 9
Little Missouri Four
Variable Interest Entity [Line Items]
Gas processing capacity of LM4 | ft³	200,000,000		200,000,000
Equity Method Investment, Ownership Percentage	50.00%		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 equivalents	$ 100		$ 100		5
Property, plant and equipment, net	3,237		3,237		3,229
Variable Interest Entity | Hess Midstream LP | Nonrecourse
Variable Interest Entity [Line Items]
Liabilities	3,606		3,606		3,385
Variable Interest Entity | Hess Midstream LP | Little Missouri Four
Variable Interest Entity [Line Items]
Equity method investment in LM4	$ 89		$ 89		$ 90