Basic and Diluted Earnings Per Common Share - Net Income (Loss) and Weighted Average Number of Common Shares Used in Computation of Basic and Diluted Earnings Per Share (Detail) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Net Income (Loss) Attributable to Hess Corporation Common Stockholders:
Net Income (Loss)	$ (115)	$ (3,941)	$ (6,076)
Less: Net income (loss) attributable to noncontrolling interests	167	133	56
Less: Preferred stock dividends	46	46	41
Net Income (Loss) Attributable to Hess Corporation Common Stockholders	$ (328)	$ (4,120)	$ (6,173)
Weighted Average Number of Common Shares Outstanding:
Shares outstanding – Basic	298.2	314.1	309.9
Diluted	298.2	314.1	309.9
Basic	$ (1.10)	$ (13.12)	$ (19.92)
Diluted	$ (1.10)	$ (13.12)	$ (19.92)
Restricted Common Stock
Weighted Average Number of Common Shares Outstanding:
Antidilutive shares excluded from computation of diluted shares	2.9	3.3	3.3
Stock Options
Weighted Average Number of Common Shares Outstanding:
Antidilutive shares excluded from computation of diluted shares	5.5	6.4	6.9
Performance Share Units
Weighted Average Number of Common Shares Outstanding:
Antidilutive shares excluded from computation of diluted shares	1.1	0.6	0.9
Common Shares From Conversion Of Preferred Stocks
Weighted Average Number of Common Shares Outstanding:
Antidilutive shares excluded from computation of diluted shares	12.7	12.8	11.2
Restricted Common Stock
Weighted Average Number of Common Shares Outstanding:
Effect of dilutive securities	0.0	0.0	0.0
Stock Options
Weighted Average Number of Common Shares Outstanding:
Effect of dilutive securities	0.0	0.0	0.0
Performance Share Units
Weighted Average Number of Common Shares Outstanding:
Effect of dilutive securities	0.0	0.0	0.0
Mandatory Convertible Preferred Stock
Weighted Average Number of Common Shares Outstanding:
Effect of dilutive securities	0.0	0.0	0.0