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INVENTORIES (Details) - BRL (R$) R$ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
IfrsStatementLineItems [Line Items] |  |  |
Inventory gross |  | R$ 12,334,894 | R$ 11,600,028
Current |  | 11,289,229 | 10,943,835
Non-current | [1] | 1,045,665 | 656,193
Inventoy, net |  | 12,334,894 | 11,600,028
Finished Goods [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Inventory gross |  | 4,421,166 | 4,457,842
Work In Progress [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Inventory gross |  | 3,501,145 | 2,710,149
Raw Materials [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Inventory gross |  | 3,297,213 | 3,638,952
Storeoom Supplies [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Inventory gross |  | 1,174,244 | 770,296
Advances To Suppliers [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Inventory gross |  | 37,619 | 121,519
Provision For Losses [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Inventory gross |  | R$ (96,493) | R$ (98,730)
[1] | Long-term iron ore inventories that will be used after the construction of the processing plant, which will produce pellet feed.

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