v3.26.1
Debt - Narrative (Details) - USD ($)
6 Months Ended
Apr. 03, 2025
Jun. 30, 2026
Jun. 30, 2025
Debt Instrument [Line Items]      
Proceeds from financing arrangements   $ 71,000,000 $ 0
Payments on financing arrangements   25,000,000 $ 0
Precious Metals Catalyst Arrangements      
Debt Instrument [Line Items]      
Proceeds from financing arrangements   71,000,000  
Payments on financing arrangements   25,000,000  
Financing arrangements, non-cash settlements on obligations   19,000,000  
Line of Credit | Senior Unsecured Revolving Credit Facility Maturing April 2030      
Debt Instrument [Line Items]      
Outstanding letters of credit   0  
Line of Credit | Senior Unsecured Revolving Credit Facility Maturing April 2030 | Revolving Credit Facility      
Debt Instrument [Line Items]      
Maximum borrowing capacity   2,000,000,000.0  
Outstanding borrowings   $ 0  
Line of Credit | HF Sinclair Credit Agreement | Revolving Credit Facility      
Debt Instrument [Line Items]      
Incremental period for term extension option 1 year    
Maximum borrowing capacity with accordion feature $ 2,750,000,000