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 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Disaggregation of Revenue [Line Items]        
Revenues $ 5,653 $ 6,004 $ 17,945 $ 15,098
Steelmaking        
Disaggregation of Revenue [Line Items]        
Revenues 5,511 5,869 17,481 14,710
Other Businesses        
Disaggregation of Revenue [Line Items]        
Revenues 142 135 464 388
Automotive | Steelmaking        
Disaggregation of Revenue [Line Items]        
Revenues 1,734 1,149 4,985 3,577
Automotive | Other Businesses        
Disaggregation of Revenue [Line Items]        
Revenues 113 105 359 306
Infrastructure and manufacturing | Steelmaking        
Disaggregation of Revenue [Line Items]        
Revenues 1,462 1,603 4,619 3,889
Infrastructure and manufacturing | Other Businesses        
Disaggregation of Revenue [Line Items]        
Revenues 14 12 43 33
Distributors and converters | Steelmaking        
Disaggregation of Revenue [Line Items]        
Revenues 1,468 2,447 5,137 5,672
Distributors and converters | Other Businesses        
Disaggregation of Revenue [Line Items]        
Revenues 15 18 62 49
Steel producers | Steelmaking        
Disaggregation of Revenue [Line Items]        
Revenues $ 847 $ 670 $ 2,740 $ 1,572