Segment Information - Schedule of Financial Data by Operating Segment (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Segment Reporting Information [Line Items]
Sales and other operating revenues	$ 3,122	$ 1,759	$ 8,390	$ 5,236
Net Income (Loss) attributable to Hess Corporation	515	115	1,599	294
Depreciation, depletion and amortization	471	349	1,199	1,130
Impairment and other	54	0	54	147
Provision for income taxes	282	143	807	388
Capital Expenditures	726	528	1,971	1,274
Assets	21,643		21,643		$ 20,515
Exploration and Production
Segment Reporting Information [Line Items]
Sales and other operating revenues	3,122	1,759	8,390	5,236
Midstream
Segment Reporting Information [Line Items]
Sales and other operating revenues	0	0	0	0
Operating Segments | Exploration and Production
Segment Reporting Information [Line Items]
Sales and other operating revenues	3,122	1,759	8,390	5,236
Net Income (Loss) attributable to Hess Corporation	572	178	1,755	461
Depreciation, depletion and amortization	425	308	1,062	1,007
Impairment and other	54		54	147
Provision for income taxes	275	140	788	379
Capital Expenditures	666	469	1,802	1,145
Assets	15,172		15,172		14,173
Operating Segments | Midstream
Segment Reporting Information [Line Items]
Sales and other operating revenues	335	304	961	887
Net Income (Loss) attributable to Hess Corporation	68	61	205	212
Depreciation, depletion and amortization	46	41	135	122
Impairment and other	0		0	0
Provision for income taxes	7	3	19	9
Capital Expenditures	60	59	169	129
Assets	3,780		3,780		3,671
Corporate, Interest and Other
Segment Reporting Information [Line Items]
Net Income (Loss) attributable to Hess Corporation	(125)	(124)	(361)	(379)
Depreciation, depletion and amortization	0	0	2	1
Impairment and other	0		0	0
Provision for income taxes	0	0	0	0
Capital Expenditures	0	0	0	0
Assets	2,691		2,691		$ 2,671
Eliminations
Segment Reporting Information [Line Items]
Sales and other operating revenues	(335)	(304)	(961)	(887)
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	$ 335	$ 304	$ 961	$ 887