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, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Net Income (Loss) Attributable to Hess Corporation Common Stockholders:
Income (loss) from continuing operations, net of income taxes	$ (373)	$ (553)	$ (861)	$ (929)
Less: Net income (loss) attributable to noncontrolling interests	19	0	40	0
Net income (loss) from continuing operations attributable to Hess Corporation	(392)	(553)	(901)	(929)
Less: Preferred stock dividends	12	0	18	0
Net income (loss) from continuing operations attributable to Hess Corporation Common Stockholders	(404)	(553)	(919)	(929)
Income from discontinued operations, net of income taxes	0	(14)	0	(27)
Net Income (Loss) Applicable to Hess Corporation Common Stockholders	$ (404)	$ (567)	$ (919)	$ (956)
Weighted Average Number of Common Shares Outstanding:
Shares outstanding – Basic	313.2	284.3	306.5	283.9
Shares outstanding – Diluted	313.2	284.3	306.5	283.9
Net Income (Loss) Attributable to Hess Corporation Per Share – Basic:
Continuing operations	$ (1.29)	$ (1.94)	$ (3.00)	$ (3.27)
Discontinued operations	0	(0.05)	0	(0.10)
Net Income (Loss) Per Common Share	(1.29)	(1.99)	(3.00)	(3.37)
Net Income (Loss) Attributable to Hess Corporation Per Share – Diluted:
Continuing operations	(1.29)	(1.94)	(3.00)	(3.27)
Discontinued operations	0	(0.05)	0	(0.10)
Net Income (Loss) Per Common Share	$ (1.29)	$ (1.99)	$ (3.00)	$ (3.37)
Restricted Common Stock
Weighted Average Number of Common Shares Outstanding:
Shares outstanding – Effect of dilutive securities	0.0	0.0	0.0	0.0
Stock Options
Weighted Average Number of Common Shares Outstanding:
Shares outstanding – Effect of dilutive securities	0.0	0.0	0.0	0.0
Performance Share Units
Weighted Average Number of Common Shares Outstanding:
Shares outstanding – Effect of dilutive securities	0.0	0.0	0.0	0.0
Mandatory Convertible Preferred Stock
Weighted Average Number of Common Shares Outstanding:
Shares outstanding – Effect of dilutive securities	0.0	0.0	0.0	0.0