Segment Information - Financial Data by Operating Segment (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016	Dec. 31, 2016
Segment Reporting Information [Line Items]
Operating Revenues - Third parties	$ 1,216	$ 1,224	$ 2,493	$ 2,197
Intersegment Revenues	0	0	0	0
Operating Revenues	1,216	1,224	2,493	2,197
Net Income (Loss) attributable to Hess Corporation	(449)	(392)	(773)	(901)
Depreciation, Depletion and Amortization	741	797	1,478	1,665
Provision (Benefit) for Income Taxes	(8)	(305)	(21)	(651)
Capital Expenditures	503	501	873	1,041
Identifiable assets	27,798		27,798		$ 28,621
Exploration and Production
Segment Reporting Information [Line Items]
Identifiable assets	22,402		22,402		22,856
Midstream
Segment Reporting Information [Line Items]
Identifiable assets	3,207		3,207		3,165
Corporate, Interest and Other
Segment Reporting Information [Line Items]
Identifiable assets	2,189		2,189		$ 2,600
Operating Segments | Exploration and Production
Segment Reporting Information [Line Items]
Operating Revenues - Third parties	1,213	1,222	2,488	2,193
Intersegment Revenues	0	0	0	0
Operating Revenues	1,213	1,222	2,488	2,193
Net Income (Loss) attributable to Hess Corporation	(354)	(328)	(587)	(781)
Depreciation, Depletion and Amortization	708	765	1,411	1,602
Provision (Benefit) for Income Taxes	(14)	(273)	(34)	(588)
Capital Expenditures	483	433	825	937
Operating Segments | Midstream
Segment Reporting Information [Line Items]
Operating Revenues - Third parties	3	2	5	4
Intersegment Revenues	154	131	301	264
Operating Revenues	157	133	306	268
Net Income (Loss) attributable to Hess Corporation	16	11	34	27
Depreciation, Depletion and Amortization	32	30	64	58
Provision (Benefit) for Income Taxes	10	7	21	16
Capital Expenditures	20	68	48	104
Operating Segments | Corporate, Interest and Other
Segment Reporting Information [Line Items]
Operating Revenues - Third parties	0	0	0	0
Intersegment Revenues	0	0	0	0
Operating Revenues	0	0	0	0
Net Income (Loss) attributable to Hess Corporation	(111)	(75)	(220)	(147)
Depreciation, Depletion and Amortization	1	2	3	5
Provision (Benefit) for Income Taxes	(4)	(39)	(8)	(79)
Capital Expenditures	0	0	0	0
Eliminations
Segment Reporting Information [Line Items]
Operating Revenues - Third parties	0	0	0	0
Intersegment Revenues	(154)	(131)	(301)	(264)
Operating Revenues	(154)	(131)	(301)	(264)
Net Income (Loss) attributable to Hess Corporation	0	0	0	0
Depreciation, Depletion and Amortization	0	0	0	0
Provision (Benefit) for Income Taxes	0	0	0	0
Capital Expenditures	$ 0	$ 0	$ 0	$ 0