v3.26.1
Segment Information - Summary of Consolidated Revenues Disaggregated by Product and Service (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Revenue from External Customer [Line Items]        
Total revenues $ 4,440.1 $ 4,260.1 $ 8,534.8 $ 8,821.6
Derivative Activities - Hedge [Member]        
Revenue from External Customer [Line Items]        
Non-customer revenue 10.3 27.7 10.1 21.6
Derivative Activities - Non-hedge [Member]        
Revenue from External Customer [Line Items]        
Non-customer revenue [1] (68.1) 206.2 (311.6) (79.0)
Natural Gas [Member]        
Revenue from External Customer [Line Items]        
Revenue recognized (312.6) 458.2 161.1 1,140.1
NGL [Member]        
Revenue from External Customer [Line Items]        
Revenue recognized 3,759.8 2,832.9 6,742.6 6,209.7
Condensate and Crude Oil [Member]        
Revenue from External Customer [Line Items]        
Revenue recognized 203.5 111.3 335.3 228.3
Gathering and Processing [Member]        
Revenue from External Customer [Line Items]        
Revenue recognized 553.0 403.7 1,112.7 872.7
Sales of Commodities [Member]        
Revenue from External Customer [Line Items]        
Revenue recognized 3,650.7 3,402.4 7,239.0 7,578.1
Non-customer revenue (57.8) 233.9 (301.5) (57.4)
Total revenues 3,592.9 3,636.3 6,937.5 7,520.7
NGL Transportation, Fractionation and Services [Member]        
Revenue from External Customer [Line Items]        
Revenue recognized 120.6 78.4 189.1 151.6
Storage Terminaling and Export [Member]        
Revenue from External Customer [Line Items]        
Revenue recognized 162.2 125.7 285.3 261.1
Other [Member]        
Revenue from External Customer [Line Items]        
Revenue recognized 11.4 16.0 10.2 15.5
Fees from Midstream Services [Member]        
Revenue from External Customer [Line Items]        
Revenue recognized 847.2 623.8 1,597.3 1,300.9
Total revenues $ 847.2 $ 623.8 $ 1,597.3 $ 1,300.9
[1] Represents derivative activities that are not designated as hedging instruments under ASC 815.