v3.26.1
Segment Information - Other Financial Information (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Other financial information [Abstract]      
Total assets $ 27,107.3 [1] $ 22,800.3 [1] $ 25,218.4
Goodwill 118.9 45.2  
Capital expenditures 948.3 618.3  
Operating Segments [Member]      
Other financial information [Abstract]      
Total assets [1] 26,849.6 22,549.0  
Goodwill 118.9 45.2  
Capital expenditures 940.5 607.9  
Operating Segments [Member] | Gathering and Processing [Member]      
Other financial information [Abstract]      
Total assets [1] 16,468.3 13,727.9  
Goodwill 118.9 45.2  
Capital expenditures 581.8 433.2  
Operating Segments [Member] | Logistics and Transportation [Member]      
Other financial information [Abstract]      
Total assets [1] 10,381.3 8,821.1  
Capital expenditures 358.7 174.7  
Operating Segments [Member] | Other [Member]      
Other financial information [Abstract]      
Total assets 0.1    
Operating Segments [Member] | Corporate and Eliminations [Member]      
Other financial information [Abstract]      
Total assets [1] 257.6 251.3  
Capital expenditures $ 7.8 $ 10.4  
[1] Assets in the Corporate and Eliminations column primarily include tax-related assets, cash, prepaids and debt issuance costs for our revolving credit facilities.