Discontinued Operations - Summary of Sales and Other Operating Revenues and Income (Loss) from Discontinued Operations (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Income (loss) from discontinued operations, net of income taxes	$ (13)	$ 57
Less: Net income (loss) attributable to noncontrolling interests		35
Income (loss) from discontinued operations attributable to Hess Corporation	(13)	22
Discontinued Operations [Member]
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Sales and other operating revenues	14	3,167
Income (loss) from discontinued operations before income taxes	(24)	73
Deferred tax provision (benefit)	(11)	16
Provision (benefit) for income taxes	$ (11)	$ 16