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BASIS OF CONSOLIDATION AND INVESTMENTS (Details 4) - BRL (R$) R$ / shares in Units, R$ in Thousands | 1 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2021 | Feb. 17, 2021 | Dec. 31, 2022
Basis Of Consolidation And Investments |  |  |
Equity in the transaction |  |  | 9,947,525
Number of share before initial public offering |  |  | 5,430,057,060
Cost per share |  |  | R$ 1.83
Number of shares sold by CSN | 377,804,907 | 372,749,743 | 377,804,907
Price per share |  |  | R$ 8.50
Net cash generated in the transaction |  |  | R$ 3,211,342
Transaction cost |  |  | (46,730)
Net cahs reveivable |  |  | 3,164,612
Cost of shares |  |  | (692,115)
Net gain from the transaction |  |  | R$ 2,472,497

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