v3.22.1
Inventories
3 Months Ended
Mar. 31, 2022
Inventory Disclosure [Abstract]  
Inventories Inventories
March 31, 2022December 31, 2021
Finished goods$449 $350 
Work-in-process1,175 1,105 
Purchased raw materials141 109 
Operating supplies68 66 
$1,833 $1,630