Weighted Average Common Shares - Basic and Diluted Earnings Per Share (Detail) - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Net income (loss) attributable to Hess Corporation Common Stockholders:
Net Income (Loss)	$ 3	$ (593)	$ (149)	$ (1,306)
Less: Net income (loss) attributable to noncontrolling interests	45	31	129	91
Less: Preferred stock dividends	11	11	34	34
Net Income (Loss) Attributable to Hess Corporation Common Stockholders	$ (53)	$ (635)	$ (312)	$ (1,431)
Weighted average number of common shares outstanding:
Shares outstanding – Basic	294.3	314.5	300.4	314.3
Diluted	294.3	314.5	300.4	314.3
Restricted Common Stock
Weighted average number of common shares outstanding:
Effect of dilutive securities	0.0	0.0
Stock Options
Weighted average number of common shares outstanding:
Effect of dilutive securities	0.0	0.0
Performance Share Units
Weighted average number of common shares outstanding:
Effect of dilutive securities	0.0	0.0
Mandatory Convertible Preferred Stock
Weighted average number of common shares outstanding:
Effect of dilutive securities	0.0	0.0