Nature of Operations, Basis of Presentation and Summary of Accounting Policies - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Summary Of Significant Accounting Policies [Line Items]
Variable interest in Hess Infrastructure Partners LP (HIP)	50.00%
Reserve for estimated remediation liabilities	$ 80
Increase in deferred income tax assets		$ 202
Decrease in deferred income tax liabilities		171
Decrease in other current assets		$ 373
HOVENSA
Summary Of Significant Accounting Policies [Line Items]
Interest in joint venture	50.00%