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INVENTORIES (Tables)
6 Months Ended
Jun. 28, 2020
Inventory Disclosure [Abstract]  
Schedule of Inventories, Net
Inventories consisted of the following (in millions):
June 28,
2020
December 31,
2019
Materials, spares and supplies$564  $532  
Work-in-process
2,644  2,783  
Finished goods313  304  
Total inventories$3,521  $3,619