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Inventories
12 Months Ended
Dec. 31, 2023
Inventory Disclosure [Abstract]  
Inventories
8.
INVENTORIES
Inventories consist of:
 
    
2023
     2022  
Raw materials and supplies
  
$
1,861
 
   $ 1,640  
Work-in-process
  
 
450
 
     427  
Finished goods
  
 
569
 
     537  
Tooling and engineering
  
 
1,726
 
     1,576  
  
 
 
    
 
 
 
  
$
4,606
 
   $ 4,180  
  
 
 
    
 
 
 
Tooling and engineering inventory represents costs incurred on tooling and engineering services contracts in excess of billed and unbilled amounts included in accounts receivable.