Discontinued Operations-Downstream Businesses - Summary of Sales and Other Operating Revenues and Income from Discontinued Operations (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Discontinued Operations [Line Items]
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
Discontinued Downstream Businesses [Member]
Discontinued Operations [Line Items]
Sales and other operating revenues	5,368	6,138	18,433	18,929
Income from discontinued operations before income taxes	84	113	259	137
Provision for income taxes	32	31	90	39
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