v3.23.1
Inventories
3 Months Ended
Mar. 31, 2023
Inventory Disclosure [Abstract]  
Inventories Inventories
March 31, 2023December 31, 2022
Finished goods$344 $343 
Work-in-process1,143 1,106 
Purchased raw materials118 118 
Operating supplies57 55 
$1,662 $1,622