Segment Information - Schedule of Financial Data by Operating Segment (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Segment Reporting Information [Line Items]
Sales and other operating revenues	$ 2,800	$ 3,122	$ 7,500	$ 8,390
Net income (loss) attributable to Hess Corporation	504	515	969	1,599
Depreciation, depletion and amortization	499	471	1,487	1,199
Impairment and other	0	54	82	54
Provision for income taxes	215	282	551	807
Capital expenditures	1,013	726	2,761	1,971
Assets	23,201		23,201		$ 21,695
Exploration and Production
Segment Reporting Information [Line Items]
Sales and other operating revenues	2,798	3,122	7,494	8,390
Midstream
Segment Reporting Information [Line Items]
Sales and other operating revenues	2	0	6	0
Operating Segments | Exploration and Production
Segment Reporting Information [Line Items]
Sales and other operating revenues	2,798	3,122	7,494	8,390
Net income (loss) attributable to Hess Corporation	529	572	1,089	1,755
Depreciation, depletion and amortization	451	425	1,344	1,062
Impairment and other		54	82	54
Provision for income taxes	203	275	525	788
Capital expenditures	948	666	2,587	1,802
Assets	16,745		16,745		15,022
Operating Segments | Midstream
Segment Reporting Information [Line Items]
Sales and other operating revenues	363	335	992	961
Net income (loss) attributable to Hess Corporation	66	68	189	205
Depreciation, depletion and amortization	48	46	142	135
Impairment and other		0	0	0
Provision for income taxes	12	7	26	19
Capital expenditures	65	60	174	169
Assets	3,971		3,971		3,775
Corporate, Interest and Other
Segment Reporting Information [Line Items]
Net income (loss) attributable to Hess Corporation	(91)	(125)	(309)	(361)
Depreciation, depletion and amortization	0	0	1	2
Impairment and other		0	0	0
Provision for income taxes	0	0	0	0
Capital expenditures	0	0	0	0
Interest income	21	10	62	13
Assets	2,485		2,485		$ 2,898
Eliminations
Segment Reporting Information [Line Items]
Sales and other operating revenues	(361)	(335)	(986)	(961)
Net income (loss) attributable to Hess Corporation	0	0	0	0
Depreciation, depletion and amortization	0	0	0	0
Impairment and other		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	$ 361	$ 335	$ 986	$ 961