FINANCIAL INSTRUMENTS (Details 14) - BRL (R$) R$ in Thousands	12 Months Ended
Dec. 31, 2025	Dec. 31, 2024
IfrsStatementLineItems [Line Items]
Assets, current	R$ 25,257	R$ 169,977
Assets, total	494	152,967
Currency risk [member]
IfrsStatementLineItems [Line Items]
Liabilities current	(67,304)
Total	(221,411)
Other comprehensive income	(29,976)
Financial income (expenses), net	(219,849)	(730,656)
Assets, current	494
Assets, total	494
Liabilities non-current	(154,107)
Iron Ore Derivative [Member] \| Currency risk [member]
IfrsStatementLineItems [Line Items]
Liabilities current	(67,304)
Total	(67,304)
Other comprehensive income	(29,976)
Financial income (expenses), net	(1,346)	19,446
Exchange Rate Swap Cdi Dollar [Member] \| Currency risk [member]
IfrsStatementLineItems [Line Items]
Total	(137,864)
Financial income (expenses), net	31,931	(146,528)
Assets, current	494
Assets, total	494
Liabilities non-current	(137,864)
Exchange Rate Swap C D I I P C A [Member] \| Currency risk [member]
IfrsStatementLineItems [Line Items]
Total	(600)
Financial income (expenses), net	(69,762)	(791,938)
Liabilities non-current	(600)
Exchange Dollar Real Swap [Member] \| Currency risk [member]
IfrsStatementLineItems [Line Items]
Total	(15,643)
Financial income (expenses), net	(180,672)	R$ 188,364
Liabilities non-current	R$ (15,643)

The amount of current derivative financial assets. [Refer: Derivative financial assets]

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The amount of current derivative financial liabilities. [Refer: Derivative financial liabilities]

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The amount of financial assets classified as derivative instruments. [Refer: Financial assets; Derivatives [member]]

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The amount of financial liabilities classified as derivative instruments. [Refer: Financial assets; Derivatives [member]]

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The amount of non-current derivative financial liabilities. [Refer: Derivative financial liabilities]

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The amount of income and expense (including reclassification adjustments) that is not recognised in profit or loss as required or permitted by IFRSs. [Refer: IFRSs [member]]

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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The amount of trading income (expense) relating to derivative financial instruments. [Refer: Derivatives [member]; Trading income (expense)]

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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