v3.25.4
Business Combinations - Narrative (Details) - USD ($)
$ in Millions
Oct. 01, 2025
Apr. 01, 2025
Oct. 01, 2024
Jul. 01, 2024
Dec. 31, 2025
Sep. 30, 2025
Dec. 31, 2024
Dec. 31, 2023
Schedule of Equity Method Investments [Line Items]                
Goodwill         $ 1,433   $ 1,575 $ 1,550
WRB Refining LP                
Schedule of Equity Method Investments [Line Items]                
Ownership interest acquired (as a percent) 50.00%         50.00%    
Payments to acquire businesses, gross $ 1,304              
Inventory 1,200              
Properties, plants and equipment 2,767              
Other asset, noncurrent 54              
Intangible asset 9              
Short-term debt 450              
Net working capital deficit 119              
Asset retirement obligations and accrued environmental costs 34              
Other liability, noncurrent 21              
Deferred tax liabilities $ 5              
Coastal Bend                
Schedule of Equity Method Investments [Line Items]                
Properties, plants and equipment   $ 2,224            
Other asset, noncurrent   4            
Other liability, noncurrent   33            
Total consideration   2,200            
Asset retirement obligations   4            
Other liability, current   $ 4            
Dos Picos                
Schedule of Equity Method Investments [Line Items]                
Properties, plants and equipment       $ 325        
Total consideration       565        
Asset retirement obligations       13        
Goodwill       21        
Other liability, current       18        
Finance lease, liability       6        
Dos Picos | Customer-Related Intangible Assets                
Schedule of Equity Method Investments [Line Items]                
Amortization of assumed intangible assets       256        
Marketing and Specialties Acquisition                
Schedule of Equity Method Investments [Line Items]                
Properties, plants and equipment     $ 62          
Total consideration     68          
Net working capital     31          
Finance lease, liability     45          
Marketing and Specialties Acquisition | Customer-Related Intangible Assets                
Schedule of Equity Method Investments [Line Items]                
Amortization of assumed intangible assets     $ 20 $ 20