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INVENTORIES (Details) - USD ($)
$ in Millions
Sep. 30, 2020
Dec. 31, 2019
Finished goods $ 822 $ 2,227
Work in process 2,069 3,267
Raw and packaging materials 221 172
Total inventories 3,112 5,666
Inventories 1,949 4,293
Inventories - other assets 1,163 1,373
Inventory purchase price fair value adjustment [Member]    
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory $ 883 $ 3,500