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Inventory
9 Months Ended
Sep. 30, 2022
Inventory Disclosure [Abstract]  
INVENTORY INVENTORY
The following table summarizes the Company’s inventory balances as of the periods indicated (in millions):
September 30, 2022December 31, 2021
Fuel and other raw materials$689 $366 
Spare parts and supplies309 238 
Total$998 $604