Weighted Average Common Shares and Share Repurchase Plan - 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, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Earnings Per Share [Abstract]
Income from continuing operations, net of income taxes	$ 387	$ 356	$ 1,769	$ 3,118
Less: Net income (loss) attributable to noncontrolling interests	22	(2)	56	180
Net income from continuing operations attributable to Hess Corporation	365	358	1,713	2,938
INCOME FROM DISCONTINUED OPERATIONS,NET OF INCOME TAXES	643	62	612	189
NET INCOME ATTRIBUTABLE TO HESS CORPORATION	$ 1,008	$ 420	$ 2,325	$ 3,127
Weighted average common shares outstanding:
Basic	300.7	339.0	308.6	339.3
Effect of dilutive securities:
Restricted common stock	1.5	1.4	1.4	1.3
Stock options	2.0	1.8	2.0	1.6
Performance share units	0.8	1.1	0.7	1.1
Diluted	305.0	343.3	312.7	343.3
Basic:
Continuing operations	$ 1.21	$ 1.06	$ 5.55	$ 8.66
Discontinued operations	$ 2.14	$ 0.18	$ 1.99	$ 0.56
NET INCOME PER SHARE	$ 3.35	$ 1.24	$ 7.54	$ 9.22
Diluted:
Continuing operations	$ 1.20	$ 1.05	$ 5.48	$ 8.56
Discontinued operations	$ 2.11	$ 0.18	$ 1.96	$ 0.55
NET INCOME PER SHARE	$ 3.31	$ 1.23	$ 7.44	$ 9.11