v3.26.1
Inventories
6 Months Ended
Jun. 30, 2026
Inventory Disclosure [Abstract]  
Inventories Inventories
Inventories consist of the following components:
June 30, 2026December 31, 2025
(In millions)
Crude oil$759 $874 
Other raw materials and unfinished products (1)
875 709 
Finished products (2)
1,347 1,337 
Lower of cost or market reserve(64)(706)
Crude oil and refined products2,917 2,214 
Process chemicals (3)
55 54 
Repair and maintenance supplies and other (4)
304 305 
Materials, supplies and other359 359 
Total inventories$3,276 $2,573 
(1)Other raw materials and unfinished products include feedstocks and blendstocks, other than crude oil.
(2)Finished products include gasolines, jet fuels, diesels, renewable diesels, lubricants, asphalts, LPGs and residual fuels.
(3)Process chemicals include additives and other chemicals.
(4)Repairs and maintenance supplies and other include environmental credits.
Our Refining and Renewables segment inventories are valued at the lower of last-in, first-out cost or market based on market conditions at that time. The following table summarizes the lower of cost or market reserve activity:

Lower of Cost or Market Reserve Activity Summary: Refining RenewablesTotal
(In millions)
Balance at December 31, 2025
$604 $102 $706 
Lower of cost or market inventory valuation adjustments(604)(38)(642)
Balance at June 30, 2026
$— $64 $64