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Properties, Plants and Equipment (Tables)
3 Months Ended
Mar. 31, 2025
Property, Plant and Equipment [Abstract]  
Schedule of Properties, Plants and Equipment with Associated Accumulated Depreciation and Amortization in PP&E and the associated accumulated depreciation and amortization (Accum. D&A) balances were as follows:
 Millions of Dollars
 March 31, 2025December 31, 2024
 Gross
PP&E
Accum.
D&A
  Net
PP&E
Gross
PP&E
Accum.
D&A
Net
PP&E
Midstream$26,342 5,003 21,339 26,187 4,820 21,367 
Chemicals   — — — 
Refining22,527 12,437 10,090 22,274 11,991 10,283 
Marketing and Specialties2,138 1,307 831 2,091 1,267 824 
Renewable Fuels3,725 1,692 2,033 3,716 1,669 2,047 
Corporate and Other1,676 1,003 673 1,688 945 743 
$56,408 21,442 34,966 55,956 20,692 35,264