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INVENTORIES
 12 Months Ended
Dec. 31, 2021
Inventory Disclosure [Abstract]  
INVENTORIES INVENTORIES
The components of inventory were as follows, in millions:
At December 31,
 20212020
Finished goods$702 $552 
Raw materials383 242 
Work in process131 82 
Total$1,216 $876 
Inventories, which include purchased parts, materials, direct labor and applied overhead, are stated at the lower of cost or net realizable value, with cost determined by use of the first-in, first-out method.