Segment Information - Corporation's Results by Operating Segment (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Segment Reporting Information [Line Items]
Sales and other operating revenues	$ 2,745	$ 2,720	$ 8,363	$ 9,257
Net income (loss) attributable to Hess Corporation:
Net income from continuing operations attributable to Hess Corporation	365	358	1,713	2,938
Net income (loss) attributable to Hess Corporation, Discontinued operations	643	62	612	189
NET INCOME ATTRIBUTABLE TO HESS CORPORATION	1,008	420	2,325	3,127
Continuing Operations [Member]
Segment Reporting Information [Line Items]
Sales and other operating revenues	2,745	2,720	8,363	9,257
Net income (loss) attributable to Hess Corporation:
Net income from continuing operations attributable to Hess Corporation	365	358	1,713	2,938
Continuing Operations [Member] | Exploration and Production [Member]
Segment Reporting Information [Line Items]
Sales and other operating revenues	2,678	2,706	8,180	9,183
Net income (loss) attributable to Hess Corporation:
Net income from continuing operations attributable to Hess Corporation	441	455	2,006	3,274
Continuing Operations [Member] | Corporate, Interest and Other [Member]
Segment Reporting Information [Line Items]
Sales and other operating revenues	67	14	183	74
Net income (loss) attributable to Hess Corporation:
Net income from continuing operations attributable to Hess Corporation	(76)	(97)	(293)	(336)
Discontinued Operations [Member]
Net income (loss) attributable to Hess Corporation:
Net income (loss) attributable to Hess Corporation, Discontinued operations	$ 643	$ 62	$ 612	$ 189