v3.26.3
Segment Information - Reconciliation of Reportable Segment Operating Margin to Income (Loss) Before Income Taxes (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Reconciliation of reportable segment operating margin to income (loss) before income taxes:        
Depreciation and amortization expense $ (459.6) $ (383.5) $ (1,338.7) $ (1,124.8)
General and administrative expense (112.9) (104.8) (328.8) (294.3)
Other operating income (expense) 20.8 13.9 46.7 21.0
Interest expense, net (232.8) (221.3) (697.0) (636.8)
Equity earnings (loss) 10.2 6.4 26.6 17.0
Other, net (22.6) (1.1) (40.0) 0.2
Income (loss) before income taxes 850.8 620.9 2,467.0 1,794.2
Total Reportable Segments Operating Margin [Member]        
Reconciliation of reportable segment operating margin to income (loss) before income taxes:        
Operating margin 1,584.6 1,347.8 4,742.3 3,816.7
Gathering and Processing [Member]        
Reconciliation of reportable segment operating margin to income (loss) before income taxes:        
Operating margin 813.6 637.6 2,249.7 1,827.4
Logistics and Transportation [Member]        
Reconciliation of reportable segment operating margin to income (loss) before income taxes:        
Operating margin 771.0 710.2 2,492.6 1,989.3
Other [Member]        
Reconciliation of reportable segment operating margin to income (loss) before income taxes:        
Operating margin $ 63.1 $ (36.5) $ 55.9 $ (4.8)