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3. IMPACTS OF COVID-19 (Details Narrative) - BRL (R$) R$ in Thousands | 1 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2020 | Dec. 31, 2020
Impacts Of Covid-19 |  |
Percentage of corporate staff |  | 50.00%
Accumulated gain (losses) | R$ 962,000 | R$ 1,190,000

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- Definition The amount of accumulated losses. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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- References No definition available. + Details
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- Definition Represent information about the percentage of corporate staff. + References No definition available. + Details
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Namespace Prefix: | sid_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration