Quarterly report pursuant to Section 13 or 15(d)

REVENUES - Revenues By Product Line (Details)

v3.21.2
REVENUES - Revenues By Product Line (Details)
T in Thousands, $ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2021
USD ($)
T
Jun. 30, 2020
USD ($)
T
Jun. 30, 2021
USD ($)
T
Jun. 30, 2020
USD ($)
T
Disaggregation of Revenue [Line Items]        
Revenues $ 5,045 $ 1,093 $ 9,094 $ 1,452
Steelmaking        
Disaggregation of Revenue [Line Items]        
Revenues 4,922 1,023 8,841 1,360
Other Businesses        
Disaggregation of Revenue [Line Items]        
Revenues 123 70 253 92
Hot-rolled steel | Steelmaking        
Disaggregation of Revenue [Line Items]        
Revenues $ 1,485 $ 42 $ 2,404 $ 61
Sales Volume (Net Tons) | T 1,386 63 2,568 94
Cold-rolled steel | Steelmaking        
Disaggregation of Revenue [Line Items]        
Revenues $ 773 $ 88 $ 1,417 $ 116
Sales Volume (Net Tons) | T 720 123 1,468 163
Coated steel | Steelmaking        
Disaggregation of Revenue [Line Items]        
Revenues $ 1,379 $ 301 $ 2,703 $ 391
Sales Volume (Net Tons) | T 1,247 333 2,616 432
Stainless and electrical steel | Steelmaking        
Disaggregation of Revenue [Line Items]        
Revenues $ 397 $ 208 $ 760 $ 264
Sales Volume (Net Tons) | T 168 95 335 122
Plate steel | Steelmaking        
Disaggregation of Revenue [Line Items]        
Revenues $ 321 $ 0 $ 572 $ 0
Sales Volume (Net Tons) | T 273 0 548 0
Other steel products | Steelmaking        
Disaggregation of Revenue [Line Items]        
Revenues $ 345 $ 0 $ 635 $ 0
Sales Volume (Net Tons) | T 411 0 814 0
Iron products | Steelmaking        
Disaggregation of Revenue [Line Items]        
Revenues $ 155 $ 377 $ 225 $ 519
Sales Volume (Long Tons) | T 849 3,718 1,449 5,069
Other | Steelmaking        
Disaggregation of Revenue [Line Items]        
Revenues $ 67 $ 7 $ 125 $ 9
Other | Other Businesses        
Disaggregation of Revenue [Line Items]        
Revenues $ 123 $ 70 $ 253 $ 92