Annual report pursuant to Section 13 and 15(d)

SEGMENT REPORTING - Depreciation, Depletion and Amortization and Capital Additions By Segment (Details)

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SEGMENT REPORTING - Depreciation, Depletion and Amortization and Capital Additions By Segment (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Segment Reporting Information [Line Items]      
Depreciation, depletion and amortization $ 897 $ 308 $ 85
Capital additions 857 483 690
Steelmaking      
Segment Reporting Information [Line Items]      
Depreciation, depletion and amortization 855 276 80
Capital additions 787 436 687
Other Businesses      
Segment Reporting Information [Line Items]      
Depreciation, depletion and amortization 37 27 0
Capital additions 52 45 0
Corporate and eliminations      
Segment Reporting Information [Line Items]      
Depreciation, depletion and amortization 5 5 5
Capital additions $ 18 $ 2 $ 3