Segment Information - Schedule of Financial Data by Operating Segment (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024
Segment Reporting Information [Line Items]
Sales and other operating revenues	$ 2,912	$ 3,309
Marketing, including purchased oil and gas	578	622
Operating costs and expenses	470	412
Production and severance taxes	51	56
Midstream tariffs	0	0
Exploration expenses, excluding dry holes	55	42
General and administrative expenses	271	124
Depreciation, depletion and amortization	619	557
Provision for income taxes	259	348
Other segment items	179	176
Net income (loss) attributable to Hess Corporation	430	972
Interest expense	92	113
Capital expenditures	1,087	923
Assets	27,138		$ 26,551
Exploration and Production
Segment Reporting Information [Line Items]
Sales and other operating revenues	2,904	3,303
Midstream
Segment Reporting Information [Line Items]
Sales and other operating revenues	8	6
Operating Segments | Exploration and Production
Segment Reporting Information [Line Items]
Sales and other operating revenues	2,904	3,303
Marketing, including purchased oil and gas	599	640
Operating costs and expenses	389	338
Production and severance taxes	51	56
Midstream tariffs	348	328
Exploration expenses, excluding dry holes	55	42
General and administrative expenses	214	72
Depreciation, depletion and amortization	568	507
Provision for income taxes	236	334
Other segment items	10	(11)
Net income (loss) attributable to Hess Corporation	434	997
Interest expense	0	0
Capital expenditures	1,037	888
Assets	20,846		20,593
Operating Segments | Midstream
Segment Reporting Information [Line Items]
Sales and other operating revenues	382	356
Marketing, including purchased oil and gas	0	0
Operating costs and expenses	86	78
Production and severance taxes	0	0
Midstream tariffs	0	0
Exploration expenses, excluding dry holes	0	0
General and administrative expenses	7	6
Depreciation, depletion and amortization	51	50
Provision for income taxes	23	14
Other segment items	145	141
Net income (loss) attributable to Hess Corporation	70	67
Interest expense	58	49
Capital expenditures	50	35
Assets	4,459		4,343
Corporate, Interest and Other
Segment Reporting Information [Line Items]
Sales and other operating revenues	0	0
Marketing, including purchased oil and gas	0	0
Operating costs and expenses	0	0
Production and severance taxes	0	0
Midstream tariffs	0	0
Exploration expenses, excluding dry holes	0	0
General and administrative expenses	50	46
Depreciation, depletion and amortization	0	0
Provision for income taxes	0	0
Other segment items	24	46
Net income (loss) attributable to Hess Corporation	(74)	(92)
Interest expense	34	64
Capital expenditures	0	0
Assets	1,833		$ 1,615
Interest income	10	17
Eliminations
Segment Reporting Information [Line Items]
Sales and other operating revenues	(374)	(350)
Marketing, including purchased oil and gas	(21)	(18)
Operating costs and expenses	(5)	(4)
Production and severance taxes	0	0
Midstream tariffs	(348)	(328)
Exploration expenses, excluding dry holes	0	0
General and administrative expenses	0	0
Depreciation, depletion and amortization	0	0
Provision for income taxes	0	0
Other segment items	0	0
Net income (loss) attributable to Hess Corporation	0	0
Interest expense	0	0
Capital expenditures	0	0
Eliminations | Exploration and Production
Segment Reporting Information [Line Items]
Sales and other operating revenues	0	0
Eliminations | Midstream
Segment Reporting Information [Line Items]
Sales and other operating revenues	$ 374	$ 350