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Related Party Transactions - Summary of Third-party Pass-through Costs for Which Revenues in Amount Equal to Costs are Recognized (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Related Party Transaction [Line Items]
Reimbursement revenue	$ 290.6	$ 189.4	[1]
Hess
Related Party Transaction [Line Items]
Total	49.3	26.3
Hess | Rail Transportation Costs
Related Party Transaction [Line Items]
Reimbursement revenue	23.2	7.8
Hess | Produced Water Trucking and Disposal Costs
Related Party Transaction [Line Items]
Reimbursement revenue	16.6	11.7
Hess | Electricity Fees
Related Party Transaction [Line Items]
Reimbursement revenue	$ 9.5	$ 6.8
[1] The financial information presented in this report has been retrospectively adjusted for the acquisition of Hess Infrastructure Partners LP.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
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-Section 50
-Paragraph 4
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