v3.26.3
Revenues - Performance Obligations (Details)
$ in Millions
 9 Months Ended
Sep. 30, 2026
USD ($)
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Estimated revenues from contracts with customers from unsatisfied performance obligations as of September 30, 2026 $ 20,222.0
Operating revenues which are fixed and determinable (operating leases) 144.5
Total projected operating revenues under committed firm agreements as of September 30, 2026 (2) 20,366.5
Fixed fee revenues recognized 1,266.7
Revenue remaining performance obligation, amount, precedent transportation agreements $ 9,600.0
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-10-01  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Remaining performance obligation, expected timing of satisfaction, period 3 months
Estimated revenues from contracts with customers from unsatisfied performance obligations as of September 30, 2026 $ 447.5
Operating revenues which are fixed and determinable (operating leases) 7.0
Total projected operating revenues under committed firm agreements as of September 30, 2026 (2) $ 454.5
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2027-01-01  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Remaining performance obligation, expected timing of satisfaction, period 1 year
Estimated revenues from contracts with customers from unsatisfied performance obligations as of September 30, 2026 $ 1,566.5
Operating revenues which are fixed and determinable (operating leases) 28.5
Total projected operating revenues under committed firm agreements as of September 30, 2026 (2) $ 1,595.0
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2028-01-01  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Remaining performance obligation, expected timing of satisfaction, period
Estimated revenues from contracts with customers from unsatisfied performance obligations as of September 30, 2026 $ 18,208.0
Operating revenues which are fixed and determinable (operating leases) 109.0
Total projected operating revenues under committed firm agreements as of September 30, 2026 (2) $ 18,317.0