Segment Information - Schedule of Financial Data by Operating Segment (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Segment Reporting Information [Line Items]
Sales and other operating revenues	$ 3,191	$ 2,800	$ 9,702	$ 7,500
Net income (loss) attributable to Hess Corporation	498	504	2,227	969
Depreciation, depletion and amortization	638	499	1,795	1,487
Impairment	132	0	132	82
Provision for income taxes	270	215	914	551
Capital expenditures	1,166	1,013	3,282	2,761
Assets	26,233		26,233		$ 24,007
Exploration and Production
Segment Reporting Information [Line Items]
Sales and other operating revenues	3,183	2,798	9,681	7,494
Midstream
Segment Reporting Information [Line Items]
Sales and other operating revenues	8	2	21	6
Operating Segments | Exploration and Production
Segment Reporting Information [Line Items]
Sales and other operating revenues	3,183	2,798	9,681	7,494
Net income (loss) attributable to Hess Corporation	489	529	2,251	1,089
Depreciation, depletion and amortization	585	451	1,642	1,344
Impairment	132		132	82
Provision for income taxes	251	203	865	525
Capital expenditures	1,070	948	3,078	2,587
Assets	19,571		19,571		17,931
Operating Segments | Midstream
Segment Reporting Information [Line Items]
Sales and other operating revenues	379	363	1,100	992
Net income (loss) attributable to Hess Corporation	69	66	202	189
Depreciation, depletion and amortization	52	48	152	142
Impairment	0		0	0
Provision for income taxes	19	12	49	26
Capital expenditures	96	65	204	174
Assets	4,347		4,347		3,984
Corporate, Interest and Other
Segment Reporting Information [Line Items]
Net income (loss) attributable to Hess Corporation	(60)	(91)	(226)	(309)
Depreciation, depletion and amortization	1	0	1	1
Impairment	0		0	0
Provision for income taxes	0	0	0	0
Capital expenditures	0	0	0	0
Interest income	17	21	52	62
Assets	2,315		2,315		$ 2,092
Eliminations
Segment Reporting Information [Line Items]
Sales and other operating revenues	(371)	(361)	(1,079)	(986)
Net income (loss) attributable to Hess Corporation	0	0	0	0
Depreciation, depletion and amortization	0	0	0	0
Impairment	0		0	0
Provision for income taxes	0	0	0	0
Capital expenditures	0	0	0	0
Eliminations | Exploration and Production
Segment Reporting Information [Line Items]
Sales and other operating revenues	0	0	0	0
Eliminations | Midstream
Segment Reporting Information [Line Items]
Sales and other operating revenues	$ 371	$ 361	$ 1,079	$ 986