Weighted Average Common Shares - Net Income and Weighted Average Number of Common Shares Used in Basic and Diluted Earnings Per Share Computations (Detail) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Earnings Per Share [Abstract]
Income from continuing operations, net of income taxes	$ 366	$ 510	$ 3,138	$ 1,589
Less: Net income attributable to noncontrolling interests		6	176	15
Net income from continuing operations attributable to Hess Corporation	366	504	2,962	1,574
INCOME FROM DISCONTINUED OPERATIONS, NET OF INCOME TAXES	52	82	169	98
Less: Net income (loss) attributable to noncontrolling interests	(2)	29	4	21
Net income from discontinued operations attributable to Hess Corporation	54	53	165	77
NET INCOME ATTRIBUTABLE TO HESS CORPORATION	$ 420	$ 557	$ 3,127	$ 1,651
Weighted average common shares outstanding:
Basic	339.0	338.6	339.3	338.3
Effect of dilutive securities:
Restricted common stock	1.4	1.0	1.3	1.1
Stock options	1.8	0.4	1.6	0.9
Performance share units	1.1		1.1
Diluted	343.3	340.0	343.3	340.3
BASIC:
Continuing operations	$ 1.08	$ 1.49	$ 8.73	$ 4.65
Discontinued operations	$ 0.16	$ 0.16	$ 0.49	$ 0.23
Net income per share	$ 1.24	$ 1.65	$ 9.22	$ 4.88
DILUTED:
Continuing operations	$ 1.07	$ 1.48	$ 8.63	$ 4.63
Discontinued operations	$ 0.16	$ 0.16	$ 0.48	$ 0.22
Net income per share	$ 1.23	$ 1.64	$ 9.11	$ 4.85