Annual report pursuant to Section 13 and 15(d)

REVENUES - By Market and Product Line (Details)

v3.22.0.1
REVENUES - By Market and Product Line (Details)
T in Thousands, $ in Millions
 12 Months Ended
Dec. 31, 2021
USD ($)
T
Dec. 31, 2020
USD ($)
T
Dec. 31, 2019
USD ($)
T
Disaggregation of Revenue [Line Items]      
Revenues $ 20,444 $ 5,354 $ 1,990
Customer Supply Agreements | Sales      
Disaggregation of Revenue [Line Items]      
Derivative revenue   122 78
Steelmaking      
Disaggregation of Revenue [Line Items]      
Revenues 19,901 4,965 1,990
Steelmaking | Hot-rolled steel      
Disaggregation of Revenue [Line Items]      
Revenues $ 5,615 $ 386 $ 0
Sales volume (in net tons) | T 4,886 633 0
Steelmaking | Cold-rolled steel      
Disaggregation of Revenue [Line Items]      
Revenues $ 3,186 $ 490 $ 0
Sales volume (in net tons) | T 2,790 682 0
Steelmaking | Coated steel      
Disaggregation of Revenue [Line Items]      
Revenues $ 5,864 $ 1,747 $ 0
Sales volume (in net tons) | T 5,056 1,911 0
Steelmaking | Stainless and electrical steel      
Disaggregation of Revenue [Line Items]      
Revenues $ 1,622 $ 868 $ 0
Sales volume (in net tons) | T 674 416 0
Steelmaking | Plate      
Disaggregation of Revenue [Line Items]      
Revenues $ 1,316 $ 46 $ 0
Sales volume (in net tons) | T 1,020 62 0
Steelmaking | Other steel products      
Disaggregation of Revenue [Line Items]      
Revenues $ 1,247 $ 46 $ 0
Sales volume (in net tons) | T 1,460 79 0
Steelmaking | Other      
Disaggregation of Revenue [Line Items]      
Revenues $ 1,051 $ 1,382 $ 1,990
Other Businesses      
Disaggregation of Revenue [Line Items]      
Revenues 543 389 0
Other Businesses | Other      
Disaggregation of Revenue [Line Items]      
Revenues 543 389 0
Automotive | Steelmaking      
Disaggregation of Revenue [Line Items]      
Revenues 4,726 2,062 0
Automotive | Other Businesses      
Disaggregation of Revenue [Line Items]      
Revenues 426 329 0
Infrastructure and manufacturing | Steelmaking      
Disaggregation of Revenue [Line Items]      
Revenues 5,380 784 0
Infrastructure and manufacturing | Other Businesses      
Disaggregation of Revenue [Line Items]      
Revenues 47 34 0
Distributors and converters | Steelmaking      
Disaggregation of Revenue [Line Items]      
Revenues 7,671 696 0
Distributors and converters | Other Businesses      
Disaggregation of Revenue [Line Items]      
Revenues 70 26 0
Steel producers | Steelmaking      
Disaggregation of Revenue [Line Items]      
Revenues $ 2,124 $ 1,423 $ 1,990