Weighted Average Common Shares - Basic and Diluted Earnings Per Share (Detail) - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Net income (loss) attributable to Hess Corporation Common Stockholders:
Net Income (Loss)	$ 75	$ (65)
Less: Net income (loss) attributable to noncontrolling interests	43	41
Less: Preferred stock dividends	4	11
Net Income (Loss) Attributable to Hess Corporation Common Stockholders	$ 28	$ (117)
Weighted average number of common shares outstanding:
Basic	297.4	309.5
Diluted	299.7	309.5
Restricted Common Stock
Weighted average number of common shares outstanding:
Effect of dilutive securities	1.2	0.0
Stock Options
Weighted average number of common shares outstanding:
Effect of dilutive securities	0.2	0.0
Performance Share Units
Weighted average number of common shares outstanding:
Effect of dilutive securities	0.9	0.0