Annual report pursuant to Section 13 and 15(d)

SEGMENT REPORTING - Summary of Assets by Segment (Details)

v3.22.0.1
SEGMENT REPORTING - Summary of Assets by Segment (Details) - USD ($)
$ in Millions
Dec. 31, 2021
Dec. 31, 2020
Segment Reporting Information [Line Items]    
Total assets $ 18,975 $ 16,771
Operating Segments    
Segment Reporting Information [Line Items]    
Total assets 18,632 16,088
Steelmaking | Operating Segments    
Segment Reporting Information [Line Items]    
Total assets 18,326 15,849
Other Businesses | Operating Segments    
Segment Reporting Information [Line Items]    
Total assets 306 239
Corporate and eliminations    
Segment Reporting Information [Line Items]    
Total assets $ 343 $ 683