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INVENTORIES, NET (Details) - USD ($)
$ in Millions
Jun. 30, 2021
Dec. 31, 2020
Inventory Disclosure [Abstract]    
Raw material and supplies $ 1,014 $ 827
Work in progress 181 150
Finished goods 396 324
FIFO inventories 1,591 1,301
LIFO reserve (24) (15)
Inventories, net $ 1,567 $ 1,286