v3.25.3
Revenue (Contract Balances with Customer) (Details) - USD ($)
$ in Millions
9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Dec. 31, 2024
Dec. 31, 2023
Capitalized Contract Cost [Line Items]        
Contract assets $ 344   $ 288  
Accounts receivable from contracts with customers 1,246   1,084  
Contract liabilities 37 $ 44 $ 39 $ 0
Additions 17 25    
Revenue recognized $ (19) (33)    
NuStar Acquisition        
Capitalized Contract Cost [Line Items]        
Additions   78    
Zenith European Terminals acquisition        
Capitalized Contract Cost [Line Items]        
Additions   3    
ET-S Permian formation        
Capitalized Contract Cost [Line Items]        
Decrease in deferred revenue from joint venture formation   $ (29)