Weighted Average Common Shares - Basic and Diluted Earnings Per Share (Detail) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Basic And Diluted Earnings Per Share [Line Items]
Net income (loss) from continuing operations attributable to Hess Corporation	$ (553)	$ 974	$ (929)	$ 1,338
Income (loss) from discontinued operations, net of income taxes	(14)	(44)	(27)	13
Less: Net income (loss) attributable to noncontrolling interests		(1)		34
Income (loss) from discontinued operations attributable to Hess Corporation	(14)	(43)	(27)	(21)
NET INCOME (LOSS) ATTRIBUTABLE TO HESS CORPORATION	$ (567)	$ 931	$ (956)	$ 1,317
Weighted average common shares outstanding:
Basic	284.3	309.7	283.9	314.2
Effect of dilutive securities
Diluted	284.3	314.1	283.9	318.7
Basic:
Continuing operations	$ (1.94)	$ 3.15	$ (3.27)	$ 4.26
Discontinued operations	(0.05)	(0.14)	(0.10)	(0.07)
NET INCOME (LOSS) PER SHARE	(1.99)	3.01	(3.37)	4.19
DILUTED:
Continuing operations	(1.94)	3.10	(3.27)	4.20
Discontinued operations	(0.05)	(0.14)	(0.10)	(0.07)
NET INCOME (LOSS) PER SHARE	$ (1.99)	$ 2.96	$ (3.37)	$ 4.13
Restricted common stock
Effect of dilutive securities
Share based arrangements		1.4		1.5
Stock options
Effect of dilutive securities
Share based arrangements		1.7		1.7
Performance Share Units
Effect of dilutive securities
Share based arrangements		1.3		1.3