Quarterly report pursuant to Section 13 or 15(d)

SEGMENT REPORTING - Segment Assets (Details)

v3.22.1
SEGMENT REPORTING - Segment Assets (Details) - USD ($)
$ in Millions
Mar. 31, 2022
Dec. 31, 2021
Segment Reporting Information [Line Items]    
Total assets $ 19,768 $ 18,975
Corporate/Eliminations    
Segment Reporting Information [Line Items]    
Total assets 391 343
Operating Segments    
Segment Reporting Information [Line Items]    
Total assets 19,377 18,632
Operating Segments | Steelmaking    
Segment Reporting Information [Line Items]    
Total assets 19,042 18,326
Operating Segments | Other Businesses    
Segment Reporting Information [Line Items]    
Total assets $ 335 $ 306