Quarterly report pursuant to Section 13 or 15(d)

SEGMENT REPORTING - Segment Capital Additions (Details)

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SEGMENT REPORTING - Segment Capital Additions (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Segment Reporting Information [Line Items]        
Capital additions $ 308 $ 167 $ 489 $ 329
Corporate/Eliminations        
Segment Reporting Information [Line Items]        
Capital additions 2 0 2 18
Steelmaking        
Segment Reporting Information [Line Items]        
Capital additions 297 146 472 279
Other Businesses        
Segment Reporting Information [Line Items]        
Capital additions $ 9 $ 21 $ 15 $ 32