v3.26.1
Property, Plant and Equipment (PP&E)
 6 Months Ended
Jun. 30, 2026
Property, Plant, and Equipment [Abstract]  
Property, Plant and Equipment Property, Plant and Equipment (PP&E)
June 30, 2026December 31, 2025
(Millions of dollars)Gross
PP&E		Accumulated DepreciationNet
PP&E		Gross
PP&E		Accumulated DepreciationNet
PP&E
Refining & Marketing$34,918 $21,148 $13,770 $34,372 $20,462 $13,910 
Midstream35,450 12,345 23,105 34,057 11,690 22,367 
Renewable Diesel970 426 544 970 396 574 
Corporate1,569 1,046 523 1,610 1,064 546 
Total$72,907 $34,965 $37,942 $71,009 $33,612 $37,397 
Depreciation expense was $762 million and $1.49 billion for the three and six months ended June 30, 2026, respectively, and $723 million and $1.45 billion for the three and six months ended June 30, 2025, respectively.