Bakken Midstream Joint Venture - Additional Information (Detail) - USD ($) $ in Millions		6 Months Ended	12 Months Ended
	Jul. 01, 2015	Jun. 30, 2016	Dec. 31, 2015	Jun. 30, 2015	Dec. 31, 2014
Bakken Midstream Joint Venture [Line Items]
Percentage interest sold of Hess Infrastructure Partners	50.00%
Proceeds from sale of interest in Hess Infrastructure Partners	$ 2,600
Cash and cash equivalents		$ 3,095	$ 2,716	$ 931	$ 2,444
Property, plant and equipment, net		25,769	26,352
Total long-term debt		6,552
Hess Infrastructure Partners LP (HIP)
Bakken Midstream Joint Venture [Line Items]
Cash and cash equivalents		1	3
Property, plant and equipment, net		$ 2,444	$ 2,358
Bakken Midstream liabilities non-recourse to Hess Corporation		liabilities totaling $789 million	liabilities totaling $824 million
Total long-term debt		$ 684	$ 704