XML 45 R34.htm IDEA: XBRL DOCUMENT v3.20.2
Acquisitions - Additional Information (Details) - USD ($)
$ in Millions
1 Months Ended 9 Months Ended
Dec. 16, 2019
Dec. 15, 2019
Mar. 22, 2019
Mar. 01, 2019
May 31, 2020
Sep. 30, 2019
Business Acquisition [Line Items]            
Cash paid for business acquisition, net of cash acquired [1]           $ 89.2
Hess Infrastructure Partners LP Acquisition            
Business Acquisition [Line Items]            
Percentage of ownership interest 80.00% 80.00%        
Cash consideration $ 601.8          
Stock split conversion ratio 1          
Hess Infrastructure Partners LP Acquisition | Class A Shares            
Business Acquisition [Line Items]            
Units representing noncontrolling limited partner interests 898,000          
Hess Infrastructure Partners LP Acquisition | Class B Shares            
Business Acquisition [Line Items]            
Units representing noncontrolling limited partner interests 266,416,928          
Hess Water Services Holdings Limited Liability Company            
Business Acquisition [Line Items]            
Percentage of ownership interest 100.00%          
Hess Water Services and Hess Midstream Partners GP Limited Partner            
Business Acquisition [Line Items]            
Percentage of ownership interest   100.00%        
Hess Infrastructure Partners LP            
Business Acquisition [Line Items]            
Percentage of membership interest acquired       100.00%    
Cash paid for business acquisition, net of cash acquired       $ 225.0    
Hess            
Business Acquisition [Line Items]            
Business combination consideration transferred in excess of book value of net assets acquired as capital distribution       $ 156.1    
Hess | Final Purchase Settlement            
Business Acquisition [Line Items]            
Business combination consideration transferred in excess of book value of net assets acquired as capital distribution         $ 1.6  
Tioga System Acquisition            
Business Acquisition [Line Items]            
Percentage of membership interest acquired     100.00%      
Cash paid for business acquisition, net of cash acquired     $ 89.2      
Potential contingent payments, subject to certain future performance metrics     $ 10.0      
[1] The financial information presented in this report has been retrospectively adjusted for the acquisition of Hess Infrastructure Partners LP.