Hess Midstream LP (Detail) shares in Thousands, $ in Millions	1 Months Ended	3 Months Ended		9 Months Ended
	May 31, 2023 USD ($)	Sep. 30, 2023 USD ($) shares ft³	Sep. 30, 2022 USD ($)	Sep. 30, 2023 USD ($) shares ft³	Sep. 30, 2022 USD ($) shares	Dec. 31, 2022 USD ($)
Variable Interest Entity [Line Items]
Liabilities		$ 13,902		$ 13,902		$ 13,199
Cash and cash equivalents		2,018		2,018		2,486
Property, plant and equipment, net		$ 16,421		$ 16,421		15,098
Gas processing capacity of LM4 | ft³		200,000,000		200,000,000
Joint venture percentage owned by Targa Resources Corp		50.00%		50.00%
Processing fees incurred		$ 7	$ 7	$ 18	$ 16
Percent interest in consolidated entity		38.00%
Number of Class B units repurchased by Hess Midstream LP (in shares) | shares		3,300		10,300	13,600
Proceeds from repurchase of units held by Hess Corporation and Global Infrastructure Partners, by Hess Midstream Operations LP		$ 100		$ 300	$ 400
Repurchase of Class B units of Hess Midstream Operations LP		(44)		(134)	(183)
Deferred tax impact to noncontrolling interests from repurchase of units held by parent by consolidated subsidiary		6		16	17
Proceeds to noncontrolling interests from repurchase of units held by parent by consolidated subsidiary		$ 50		$ 150	$ 200
Number of Class A shares of subsidiary public offering (in shares) | shares		11,500		24,300	10,200
Proceeds from sale of Class A shares of Hess Midstream LP				$ 167	$ 146
Sale of Class A shares of Hess Midstream LP		$ 82		333	218
Principal amount of senior unsecured notes issued by Hess Midstream Operations LP		$ 400		$ 400
Interest rate of senior unsecured notes issued by Hess Midstream Operations LP		5.50%		5.50%
Change In Ownership
Variable Interest Entity [Line Items]
Sale of Class A shares of Hess Midstream LP				$ 9	16
Recognition Of Deferred Tax Asset
Variable Interest Entity [Line Items]
Sale of Class A shares of Hess Midstream LP		$ 82		166	72
Capital in Excess of Par
Variable Interest Entity [Line Items]
Repurchase of Class B units of Hess Midstream Operations LP		12		(31)	(32)
Sale of Class A shares of Hess Midstream LP				158	130
Noncontrolling Interests
Variable Interest Entity [Line Items]
Repurchase of Class B units of Hess Midstream Operations LP		$ (56)		(165)	(215)
Sale of Class A shares of Hess Midstream LP	$ 82			$ 175	$ 88
Little Missouri Four
Variable Interest Entity [Line Items]
Equity Method Investment, Ownership Percentage		50.00%		50.00%
Variable Interest Entity | Hess Midstream LP
Variable Interest Entity [Line Items]
Cash and cash equivalents		$ 3		$ 3		3
Property, plant and equipment, net		3,208		3,208		3,173
Variable Interest Entity | Hess Midstream LP | Nonrecourse
Variable Interest Entity [Line Items]
Liabilities		3,293		3,293		3,027
Variable Interest Entity | Hess Midstream LP | Little Missouri Four
Variable Interest Entity [Line Items]
Equity method investment in LM4		$ 91		$ 91		$ 94