Quarterly report pursuant to Section 13 or 15(d)

SUPPLEMENTARY FINANCIAL STATEMENT INFORMATION - Inventories (Details)

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SUPPLEMENTARY FINANCIAL STATEMENT INFORMATION - Inventories (Details) - USD ($)
$ in Millions
Mar. 31, 2021
Dec. 31, 2020
Inventory Disclosure [Abstract]    
Finished and semi-finished goods $ 2,296 $ 2,125
Raw materials 1,372 1,431
Total product inventories 3,668 3,556
Manufacturing supplies and critical spares 264 272
Inventories $ 3,932 $ 3,828