Income Taxes - Additional Information (Detail) - USD ($)				12 Months Ended
		Dec. 31, 2019	Dec. 16, 2019	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Percentage of ownership interest			6.32%
Deferred tax benefit		$ 100,000		$ 100,000
Current income tax expense		0
Deferred tax asset	[1]	49,800,000		49,800,000
Unrecognized tax benefits		$ 0		$ 0

[1] Represents components of deferred tax assets and liabilities for Hess Midstream LP.