v3.25.4
Inventories (Tables)
12 Months Ended
Dec. 31, 2025
Inventory Disclosure [Abstract]  
Schedule of Inventories
Inventories at December 31 were:
Millions of Dollars
20252024
Crude oil and products$1,000 907 
Materials and supplies873 902 
Total inventories$1,873 1,809 
Inventories valued on the LIFO basis$609 578