Quarterly report pursuant to Section 13 or 15(d)

REVENUES - Revenues By Market (Details)

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REVENUES - Revenues By Market (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Disaggregation of Revenue [Line Items]    
Revenues $ 5,295 $ 5,955
Steelmaking    
Disaggregation of Revenue [Line Items]    
Revenues 5,126 5,794
Other Businesses    
Disaggregation of Revenue [Line Items]    
Revenues 169 161
Automotive | Steelmaking    
Disaggregation of Revenue [Line Items]    
Revenues 1,870 1,607
Automotive | Other Businesses    
Disaggregation of Revenue [Line Items]    
Revenues 139 122
Infrastructure and manufacturing | Steelmaking    
Disaggregation of Revenue [Line Items]    
Revenues 1,297 1,542
Infrastructure and manufacturing | Other Businesses    
Disaggregation of Revenue [Line Items]    
Revenues 10 15
Distributors and converters | Steelmaking    
Disaggregation of Revenue [Line Items]    
Revenues 1,258 1,829
Distributors and converters | Other Businesses    
Disaggregation of Revenue [Line Items]    
Revenues 20 24
Steel producers | Steelmaking    
Disaggregation of Revenue [Line Items]    
Revenues $ 701 $ 816