v3.26.1
Segment Information - Summary of Consolidated Revenues Disaggregated by Product and Service (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Revenue from External Customer [Line Items]    
Total revenues $ 4,094.7 $ 4,561.5
Derivative Activities - Hedge [Member]    
Revenue from External Customer [Line Items]    
Non-customer revenue (0.2) (6.1)
Derivative Activities - Non-hedge [Member]    
Revenue from External Customer [Line Items]    
Non-customer revenue [1] (243.5) (285.2)
Natural Gas [Member]    
Revenue from External Customer [Line Items]    
Revenue recognized 473.7 681.9
NGL [Member]    
Revenue from External Customer [Line Items]    
Revenue recognized 2,982.8 3,376.8
Condensate and Crude Oil [Member]    
Revenue from External Customer [Line Items]    
Revenue recognized 131.8 117.0
Gathering and Processing [Member]    
Revenue from External Customer [Line Items]    
Revenue recognized 559.7 469.0
Sales of Commodities [Member]    
Revenue from External Customer [Line Items]    
Revenue recognized 3,588.3 4,175.7
Non-customer revenue (243.7) (291.3)
Total revenues 3,344.6 3,884.4
NGL Transportation, Fractionation and Services [Member]    
Revenue from External Customer [Line Items]    
Revenue recognized 68.5 73.2
Storage Terminaling and Export [Member]    
Revenue from External Customer [Line Items]    
Revenue recognized 123.1 135.4
Other [Member]    
Revenue from External Customer [Line Items]    
Revenue recognized (1.2) (0.5)
Fees from Midstream Services [Member]    
Revenue from External Customer [Line Items]    
Revenue recognized 750.1 677.1
Total revenues $ 750.1 $ 677.1
[1] Represents derivative activities that are not designated as hedging instruments under ASC 815.