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INVENTORIES (Tables)
3 Months Ended
Mar. 29, 2020
Inventory Disclosure [Abstract]  
Schedule of Inventories, Net
Inventories consisted of the following (in millions):
 
 
March 29,
2020

December 31,
2019
Materials, spares and supplies
 
$
521

 
 
$
532

 
Work-in-process
 
2,717

 
 
2,783

 
Finished goods
 
301

 
 
304

 
Total inventories
 
$
3,539

 
 
$
3,619