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Inventories (Tables)
 9 Months Ended
Sep. 30, 2025
Inventory Disclosure [Abstract]  
Schedule of Inventory Amounts by Product Type
Our inventory amounts by product type were as follows at the dates indicated:
September 30,
2025		December 31,
2024
NGLs$3,129 $2,768 
Petrochemicals and refined products603 652 
Crude oil424 523 
Natural gas4 12 
Total$4,160 $3,955 
Schedule of Cost of Sales and Lower of Cost or Market Adjustments The following table presents our total cost of sales amounts and lower of cost or net realizable value adjustments for the periods indicated:
For the Three Months
Ended September 30,		For the Nine Months
Ended September 30,
2025202420252024
Cost of sales (1)$8,590 $10,387 $28,494 $31,976 
Lower of cost or net realizable value adjustments recognized in cost of sales4 3 8 5 
(1)Cost of sales is a component of “Operating costs and expenses” as presented on our Unaudited Condensed Statements of Consolidated Operations. Fluctuations in these amounts are primarily due to changes in energy commodity prices and sales volumes associated with our marketing activities.