v3.25.3
Debt Obligations (Revolving Credit Agreement) (Details) - USD ($)
$ in Millions
Sep. 30, 2025
Aug. 08, 2025
Jun. 17, 2025
May 16, 2025
Dec. 31, 2024
Revolving Credit Agreement [Member] | Due April 2027          
Debt Instrument [Line Items]          
Revolving credit facility         $ 203
NuStar Credit Facility          
Debt Instrument [Line Items]          
Revolving credit facility $ 0        
Revolving Credit Facility due June 2030          
Debt Instrument [Line Items]          
Revolving credit facility 0        
Letters of Credit Outstanding, Amount 47        
Line of Credit Facility, Current Borrowing Capacity   $ 2,000 $ 1,500   $ 1,500
Line of Credit Facility, Remaining Borrowing Capacity $ 1,450        
Line of Credit Facility, Interest Rate at Period End 6.42%        
Revolving Credit Facility due June 2030 | Parkland          
Debt Instrument [Line Items]          
Line of Credit Facility, Current Borrowing Capacity     2,460    
Line of Credit Facility, Maximum Borrowing Capacity $ 3,500        
Letter of Credit          
Debt Instrument [Line Items]          
Line of Credit Facility, Maximum Borrowing Capacity       $ 100  
Letter of Credit | Parkland          
Debt Instrument [Line Items]          
Line of Credit Facility, Maximum Borrowing Capacity       250  
Swingline Sublimit          
Debt Instrument [Line Items]          
Line of Credit Facility, Maximum Borrowing Capacity     100    
Swingline Sublimit | Parkland          
Debt Instrument [Line Items]          
Line of Credit Facility, Maximum Borrowing Capacity     500    
Swingline Sublimit | Parkland | Canada, Dollars          
Debt Instrument [Line Items]          
Line of Credit Facility, Maximum Borrowing Capacity     250    
Swingline Sublimit | Parkland | United States of America, Dollars          
Debt Instrument [Line Items]          
Line of Credit Facility, Maximum Borrowing Capacity     $ 250    
Bridge Loan          
Debt Instrument [Line Items]          
Line of Credit Facility, Maximum Borrowing Capacity       2,650  
Bridge Loan | Parkland          
Debt Instrument [Line Items]          
Line of Credit Facility, Maximum Borrowing Capacity       $ 3,400