v3.26.1
Business Combinations - Narrative (Details) - USD ($)
$ in Millions
Oct. 01, 2025
Apr. 01, 2025
WRB Refining LP    
Schedule of Equity Method Investments [Line Items]    
Business combination, voting equity interest acquired, percentage 50.00%  
Payments to acquire businesses, gross $ 1,340  
Properties, plants and equipment 2,771  
Inventory 1,200  
Other long-term assets 54  
Intangibles 9  
Short-term debt 450  
Net working capital deficit 87  
Asset retirement obligations and accrued environmental costs 34  
Other long-term liabilities 21  
Deferred tax liabilities $ 5  
Coastal Bend    
Schedule of Equity Method Investments [Line Items]    
Properties, plants and equipment   $ 2,224
Other long-term assets   4
Other long-term liabilities   33
Total consideration   2,200
Net working capital deficit   4
Asset retirement obligations   $ 4