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Property, Plant and Equipment (PP&E)
9 Months Ended
Sep. 30, 2024
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment Property, Plant and Equipment (PP&E)
September 30, 2024December 31, 2023
(Millions of dollars)Gross
PP&E
Accumulated DepreciationNet
PP&E
Gross
PP&E
Accumulated DepreciationNet
PP&E
Refining & Marketing$33,103 $18,990 $14,113 $32,496 $17,992 $14,504 
Midstream30,390 10,495 19,895 29,620 9,589 20,031 
Corporate1,657 1,123 534 1,632 1,055 577 
Total$65,150 $30,608 $34,542 $63,748 $28,636 $35,112