Weighted Average Common Shares - Basic and Diluted Earnings Per Share (Detail) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Basic And Diluted Earnings Per Share [Line Items]
Net income (loss) from continuing operations, net of income taxes	$ (239)	$ 359	$ (1,168)	$ 1,697
Less: Net income (loss) attributable to noncontrolling interests	27	0	27	0
Net income (loss) from continuing operations attributable to Hess Corporation	(266)	359	(1,195)	1,697
Income (loss) from discontinued operations, net of income taxes	(13)	671	(40)	684
Less: Net income (loss) attributable to noncontrolling interests	0	22	0	56
Income (loss) from discontinued operations attributable to Hess Corporation	(13)	649	(40)	628
NET INCOME (LOSS) ATTRIBUTABLE TO HESS CORPORATION	$ (279)	$ 1,008	$ (1,235)	$ 2,325
Weighted Average Common Shares Outstanding:
Shares outstanding – Basic	283,500,000	300,700,000	283,800,000	308,600,000
WEIGHTED AVERAGE NUMBER OF COMMON SHARES OUTSTANDING (DILUTED)	283,500,000	305,000,000	283,800,000	312,700,000
Net Income (Loss) Attributable to Hess Corporation Per Share – Basic :
Continuing operations	$ (0.94)	$ 1.19	$ (4.21)	$ 5.51
Discontinued operations	(0.04)	2.16	(0.14)	2.03
NET INCOME (LOSS) PER SHARE	(0.98)	3.35	(4.35)	7.54
Net Income (Loss) Attributable to Hess Corporation Per Share – Diluted:
Continuing operations	(0.94)	1.18	(4.21)	5.43
Discontinued operations	(0.04)	2.13	(0.14)	2.01
NET INCOME (LOSS) PER SHARE	$ (0.98)	$ 3.31	$ (4.35)	$ 7.44
Restricted Common Stock
Weighted Average Common Shares Outstanding:
Shares outstanding – Effect of dilutive securities	0	1,500,000	0	1,400,000
Antidilutive shares excluded from computation of diluted shares	2,955,200		2,953,075
Stock Options
Weighted Average Common Shares Outstanding:
Shares outstanding – Effect of dilutive securities	0	2,000,000	0	2,000,000
Antidilutive shares excluded from computation of diluted shares	6,983,524	124,357	6,928,958	1,214,422
Performance Share Units
Weighted Average Common Shares Outstanding:
Shares outstanding – Effect of dilutive securities	0	800,000	0	700,000
Antidilutive shares excluded from computation of diluted shares	915,238		988,963