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31. COMMITMENTS (Details Narrative) R$ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 BRL (R$)
DisclosureOfCommitmentsLineItems [Line Items] |
Percentage of progress project posts | 54.00%
Transnordestina logistica s.a [member] |
DisclosureOfCommitmentsLineItems [Line Items] |
Consession expire year | 2057
Approved construction investment | R$ 7,542
Description of currently approved budget | Missão Velha - Salgueiro amounting to R$0.4 billion, Salgueiro - Trindade amounting to R$0.7 billion, Trindade - Eliseu Martins amounting to R$2.4 billion, Missão Velha - Port of Pecém amounting to R$3 billion, Salgueiro - Port of Suape amounting to R$4.7 billion, totaling R$11.2 billion.
Proposed amount | R$ 13,200,000
Description of guarantees of financing granted | The Company guarantees 100% of the financing obtained by TLSA from Banco do Nordeste / FNE and BNDES, as well as 50.97% of the debentures issued by the FDNE (considers 48.47% of corporate guarantee, 1.25% of letter of guarantee) for BNB and 1.25% corporate guarantee for BNB).
Percentage of debentures converted | 50.00%

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- Definition Amount represent the approved construction investment. + References No definition available. + Details
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Balance Type: | debit
Period Type: | instant

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- Definition Represent the consession expire year. + References No definition available. + Details
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- Definition Information pertaininig to currently approved budget. + References No definition available. + Details
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- Definition Informaton pertaining to guarantees of financing granted. + References No definition available. + Details
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Namespace Prefix: | sid_
Data Type: | xbrli:stringItemType
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- References No definition available. + Details
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- Definition Percentage represent the debentures converted into shares. + References No definition available. + Details
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- Definition Percentage represent the progress project posts. + References No definition available. + Details
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- Definition Amount represent proposed from third parties. + References No definition available. + Details
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Balance Type: | credit
Period Type: | instant

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |