Equity and Comprehensive Income (Details) (USD $) In Millions	3 Months Ended	6 Months Ended
Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Changes in Equity :
Beginning Balance			$ 16,809	$ 13,528
Net Income (loss)	569	396	1,543	964
Deferred gains (losses) on cash flow hedges, after-tax
Effect of hedge losses recognized in income			215	368
Net change in fair value of cash flow hedges			(6)	(182)
Change in post retirement plan liabilities, after-tax			14	15
Change in foreign currency translation adjustment and other			279	(133)
Comprehensive income (loss)			2,045	1,032
Activity related to restricted common stock awards, net			25	28
Employee stock options, including income tax benefits			90	38
Cash dividends declared			(68)	(66)
Noncontrolling interests, net			3	(30)
Ending Balance	18,904	14,530	18,904	14,530
Total Hess Stockholders' Equity [Member]
Changes in Equity :
Beginning Balance			16,689	13,384
Net Income (loss)			1,536	913
Deferred gains (losses) on cash flow hedges, after-tax
Effect of hedge losses recognized in income			215	368
Net change in fair value of cash flow hedges			(6)	(182)
Change in post retirement plan liabilities, after-tax			14	15
Change in foreign currency translation adjustment and other			274	(129)
Comprehensive income (loss)			2,033	985
Activity related to restricted common stock awards, net			25	28
Employee stock options, including income tax benefits			90	38
Cash dividends declared			(68)	(66)
Noncontrolling interests, net			7	(4)
Ending Balance	18,776	14,365	18,776	14,365
Noncontrolling Interests [Member]
Changes in Equity :
Beginning Balance			120	144
Net Income (loss)			7	51
Deferred gains (losses) on cash flow hedges, after-tax
Effect of hedge losses recognized in income			0	0
Net change in fair value of cash flow hedges			0	0
Change in post retirement plan liabilities, after-tax			0	0
Change in foreign currency translation adjustment and other			5	(4)
Comprehensive income (loss)			12	47
Activity related to restricted common stock awards, net			0	0
Employee stock options, including income tax benefits			0	0
Cash dividends declared			0	0
Noncontrolling interests, net			(4)	(26)
Ending Balance	$ 128	$ 165	$ 128	$ 165

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