Statement of Consolidated Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Statement Of Income And Comprehensive Income [Abstract]
Net Income (Loss)	$ (3,941)	$ (6,076)	$ (3,007)
Derivatives designated as cash flow hedges
Effect of hedge (gains) losses reclassified to income	18	0	(118)
Income taxes on effect of hedge (gains) losses reclassified to income	0	0	44
Net effect of hedge (gains) losses reclassified to income	18	0	(74)
Change in fair value of cash flow hedges	(156)	0	121
Income taxes on change in fair value of cash flow hedges	0	0	(45)
Net change in fair value of cash flow hedges	(156)	0	76
Change in derivatives designated as cash flow hedges, after taxes	(138)	0	2
Pension and other postretirement plans
(Increase) reduction in unrecognized actuarial losses	35	(155)	17
Income taxes on actuarial changes in plan liabilities	0	20	4
(Increase) reduction in unrecognized actuarial losses, net	35	(135)	21
Amortization of net actuarial losses	77	60	92
Income taxes on amortization of net actuarial losses	0	(21)	(31)
Net effect of amortization of net actuarial losses	77	39	61
Recognition of accumulated actuarial losses - HOVENSA	0	0	15
Income taxes on recognition of accumulated actuarial losses - HOVENSA	0	0	(9)
Recognition of accumulated actuarial losses, net of taxes - HOVENSA	0	0	6
Change in pension and other postretirement plans, after taxes	112	(96)	88
Foreign currency translation adjustment
Foreign currency translation adjustment	144	56	(344)
Asset disposition	900	0	0
Change in foreign currency translation adjustment	1,044	56	(344)
Other Comprehensive Income (Loss)	1,018	(40)	(254)
Comprehensive Income (Loss)	(2,923)	(6,116)	(3,261)
Less: Comprehensive income (loss) attributable to noncontrolling interests	133	56	49
Comprehensive Income (Loss) Attributable to Hess Corporation	$ (3,056)	$ (6,172)	$ (3,310)