v3.26.3
Business Segments - Schedule of Operating Results and Capital Expenditures Information by Segment (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Jun. 30, 2026
Mar. 31, 2026
Sep. 30, 2025
Jun. 30, 2025
Mar. 31, 2025
Sep. 30, 2026
Sep. 30, 2025
Dec. 31, 2025
Segment Reporting [Line Items]                  
Net sales $ 3,281     $ 1,944     $ 8,000 $ 5,352  
Cost of materials and other 2,203     1,096     6,398 4,195  
Direct operating expenses (exclusive of depreciation and amortization) 218     179     573 503  
Selling, general and administrative expenses (exclusive of depreciation and amortization) 56     42     131 115  
Depreciation and amortization             237 258  
Operating income (loss) 724     512     657 277  
Reconciliation of Operating income (loss) to Net income:                  
Interest income (expense), net (21)     (25)     (105) (79)  
Other income, net 1     2     19 5  
Income tax (expense) benefit (141)     (88)     (122) 3  
Net income 563 $ 46 $ (160) 401 $ (90) $ (105) 449 206  
Other segment disclosures:                  
Capital expenditures 58     40     147 132  
Assets 4,780           4,780   $ 3,706
Product Sales, Excluding Renewable Fuel Activity                  
Segment Reporting [Line Items]                  
Net sales 3,281     1,900     8,000 5,243  
Petroleum Segment | Product Sales, Excluding Renewable Fuel Activity                  
Segment Reporting [Line Items]                  
Net sales 3,135     1,736     7,472 4,769  
Nitrogen Fertilizer Segment | Product Sales, Excluding Renewable Fuel Activity                  
Segment Reporting [Line Items]                  
Net sales 146     164     528 474  
Intersegment Eliminations                  
Segment Reporting [Line Items]                  
Net sales (3)     (3)     (10) (9)  
Operating income (loss) 4     2     7 7  
Intersegment Eliminations | Product Sales, Excluding Renewable Fuel Activity                  
Segment Reporting [Line Items]                  
Net sales (3)     (3)     (10) (9)  
Intersegment Eliminations | Petroleum Segment | Product Sales, Excluding Renewable Fuel Activity                  
Segment Reporting [Line Items]                  
Net sales (3)     (3)     (10) (8)  
Intersegment Eliminations | Nitrogen Fertilizer Segment | Product Sales, Excluding Renewable Fuel Activity                  
Segment Reporting [Line Items]                  
Net sales 0     0     0 (1)  
Operating Segments                  
Segment Reporting [Line Items]                  
Operating income (loss) 734     569     689 356  
Operating Segments | Product Sales, Excluding Renewable Fuel Activity                  
Segment Reporting [Line Items]                  
Net sales 3,284     1,903     8,010 5,252  
Operating Segments | Petroleum Segment                  
Segment Reporting [Line Items]                  
Cost of materials and other 2,184     1,031     6,333 4,039  
Direct operating expenses (exclusive of depreciation and amortization) 129     113     361 306  
Selling, general and administrative expenses (exclusive of depreciation and amortization) 39     24     87 65  
Depreciation and amortization 48     52     150 142  
Loss on asset disposals 0     1     1 1  
Operating income (loss) 738     518     550 224  
Reconciliation of Operating income (loss) to Net income:                  
Interest income (expense), net 7     0     9 (5)  
Other segment disclosures:                  
Capital expenditures 22     25     79 98  
Assets 3,960           3,960   2,987
Operating Segments | Petroleum Segment | Product Sales, Excluding Renewable Fuel Activity                  
Segment Reporting [Line Items]                  
Net sales 3,138     1,739     7,482 4,777  
Operating Segments | Nitrogen Fertilizer Segment                  
Segment Reporting [Line Items]                  
Cost of materials and other 25     25     82 86  
Direct operating expenses (exclusive of depreciation and amortization) 90     58     211 173  
Selling, general and administrative expenses (exclusive of depreciation and amortization) 11     9     29 24  
Depreciation and amortization 23     20     65 59  
Loss on asset disposals 1     1     2 1  
Operating income (loss) (4)     51     139 132  
Reconciliation of Operating income (loss) to Net income:                  
Interest income (expense), net (8)     (8)     (23) (23)  
Other segment disclosures:                  
Capital expenditures 35     14     66 30  
Assets 1,057           1,057   969
Operating Segments | Nitrogen Fertilizer Segment | Product Sales, Excluding Renewable Fuel Activity                  
Segment Reporting [Line Items]                  
Net sales 146     164     528 475  
Other                  
Segment Reporting [Line Items]                  
Net sales 0     44     0 109  
Operating income (loss) (5)     (51)     (14) (63)  
Corporate                  
Segment Reporting [Line Items]                  
Operating income (loss) (9)     $ (8)     (25) $ (23)  
Corporate and Eliminations                  
Other segment disclosures:                  
Assets $ (237)           $ (237)   $ (250)