Partners' Capital and Distributions - Schedule of Distribution Paid by HIP to Hess and GIP Prior to Restructuring (Detail) - Hess Infrastructure Partners LP $ in Millions	12 Months Ended
	Dec. 31, 2019 USD ($)
Second Quarter 2017
Distribution Made To Limited Partner [Line Items]
Total Distributions	$ 50.0
Second Quarter 2017 | Hess Corporation
Distribution Made To Limited Partner [Line Items]
Total Distributions	27.1
Second Quarter 2017 | GIP
Distribution Made To Limited Partner [Line Items]
Total Distributions	22.9
Third Quarter 2017
Distribution Made To Limited Partner [Line Items]
Total Distributions	50.0
Third Quarter 2017 | Hess Corporation
Distribution Made To Limited Partner [Line Items]
Total Distributions	25.0
Third Quarter 2017 | GIP
Distribution Made To Limited Partner [Line Items]
Total Distributions	25.0
Fourth Quarter 2018
Distribution Made To Limited Partner [Line Items]
Total Distributions	322.0
Fourth Quarter 2018 | Hess Corporation
Distribution Made To Limited Partner [Line Items]
Total Distributions	160.0
Fourth Quarter 2018 | GIP
Distribution Made To Limited Partner [Line Items]
Total Distributions	$ 162.0