v3.25.3
Revenues - Performance Obligations (Details) - USD ($)
$ in Millions
 9 Months Ended
Sep. 30, 2025
Oct. 30, 2025
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]    
Estimated revenues from contracts with customers from unsatisfied performance obligations as of September 30, 2025 (2) $ 15,416.5  
Operating revenues which are fixed and determinable (operating leases) 170.5  
Total projected operating revenues under committed firm agreements as of September 30, 2025 (3) 15,587.0  
Fixed fee revenues recognized $ 1,202.7  
Firm storage, term of contract for particular customer 108 years  
Estimated annual revenue from particular customer $ 3.1  
Revenue remaining performance obligation for particular customer $ 328.5  
Days of collateral required for particular customer 90 days  
Revenue Remaining Performance Obligation, Amount, Precedent Transportation Agreements $ 5,700.0  
Subsequent Event    
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]    
Revenue Remaining Performance Obligation, Amount, Precedent Transportation Agreements Subject To Certain Conditions Precedent   $ 3,800.0
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-10-01    
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, 2025 (2) $ 418.0  
Operating revenues which are fixed and determinable (operating leases) 7.0  
Total projected operating revenues under committed firm agreements as of September 30, 2025 (3) $ 425.0  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-01-01    
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, 2025 (2) $ 1,505.0  
Operating revenues which are fixed and determinable (operating leases) 27.5  
Total projected operating revenues under committed firm agreements as of September 30, 2025 (3) $ 1,532.5  
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  
Estimated revenues from contracts with customers from unsatisfied performance obligations as of September 30, 2025 (2) $ 13,493.5  
Operating revenues which are fixed and determinable (operating leases) 136.0  
Total projected operating revenues under committed firm agreements as of September 30, 2025 (3) $ 13,629.5