XML 33 R9.htm IDEA: XBRL DOCUMENT v3.23.3
Inventory
9 Months Ended
Sep. 30, 2023
Inventory Disclosure [Abstract]  
INVENTORY INVENTORY
The following table summarizes the Company’s inventory balances as of the periods indicated (in millions):
September 30, 2023December 31, 2022
Fuel and other raw materials$498 $733 
Spare parts and supplies300 322 
Total$798 $1,055