Hess Midstream LP (Detail) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024 USD ($) ft³	Sep. 30, 2023 USD ($)	Sep. 30, 2024 USD ($) shares ft³	Sep. 30, 2023 USD ($) shares	Dec. 31, 2023 USD ($)
Variable Interest Entity [Line Items]
Liabilities	$ 14,631		$ 14,631		$ 14,405
Cash and cash equivalents	1,864		1,864		1,688
Property, plant and equipment, net	$ 18,963		$ 18,963		17,432
Joint venture percentage owned by Targa Resources Corp	50.00%		50.00%
Processing fees incurred	$ 9	$ 7	$ 24	$ 18
Number of underwritten public equity offerings completed			3	2
Number of Class A shares of subsidiary public offering (in shares) | shares			35.7	24.3
Deferred tax impact to noncontrolling interests from sale of units held by parent by consolidated subsidiary			$ 309	$ 166
Number of Class B units repurchased by Hess Midstream LP (in shares) | shares			8.4	10.3
Proceeds from repurchase of units held by Hess Corporation and Global Infrastructure Partners, by Hess Midstream Operations LP			$ 300	$ 300
Deferred tax impact to noncontrolling interests from repurchase of units held by parent by consolidated subsidiary			30	16
Proceeds to noncontrolling interests from repurchase of units held by parent by consolidated subsidiary			187	150
Proceeds from sale of Class A shares of Hess Midstream LP			0	167
Sale of Class A shares of Hess Midstream LP	115	82	309	333
Repurchase of Class B units of Hess Midstream Operations LP	(52)	(44)	(157)	(134)
Noncontrolling Interests
Variable Interest Entity [Line Items]
Sale of Class A shares of Hess Midstream LP	115	82	309	175
Repurchase of Class B units of Hess Midstream Operations LP	$ (52)	(56)	$ (157)	(165)
Noncontrolling Interests | Change In Ownership
Variable Interest Entity [Line Items]
Sale of Class A shares of Hess Midstream LP				9
Capital in Excess of Par
Variable Interest Entity [Line Items]
Sale of Class A shares of Hess Midstream LP				158
Repurchase of Class B units of Hess Midstream Operations LP		$ 12		$ 31
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	$ 10		$ 10		5
Property, plant and equipment, net	3,292		3,292		3,229
Variable Interest Entity | Hess Midstream LP | Nonrecourse
Variable Interest Entity [Line Items]
Liabilities	3,660		3,660		3,385
Variable Interest Entity | Hess Midstream LP | Little Missouri Four
Variable Interest Entity [Line Items]
Equity method investment in LM4	$ 89		$ 89		$ 90