Annual report pursuant to Section 13 and 15(d)

SUPPLEMENTARY FINANCIAL STATEMENT INFORMATION - Inventory (Details)

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SUPPLEMENTARY FINANCIAL STATEMENT INFORMATION - Inventory (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Disclosure Text Block [Abstract]    
Finished and semi-finished goods $ 2,971 $ 2,814
Raw materials 1,794 2,070
Total product inventories 4,765 4,884
Manufacturing supplies and critical spares 365 304
Inventories 5,130 5,188
Excess of current cost over LIFO cost of iron ore inventories 169 124
Effect of inventory reduction $ 36  
Effect of inventory build   $ 45