XML 328 R120.htm IDEA: XBRL DOCUMENT
v3.22.1

The interest rates used in the sensitivity analysis and their respective scenarios are shown below: (Details) - Interest rate risk [member] | Dec. 31, 2021
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C D I [Member] |
IfrsStatementLineItems [Line Items] |
Interest rate (in percent) | 9.15%
C D I [Member] | Scenario 1 [member] |
IfrsStatementLineItems [Line Items] |
Interest rate (in percent) | 11.44%
C D I [Member] | Scenario I I [Member] |
IfrsStatementLineItems [Line Items] |
Interest rate (in percent) | 13.73%
T J L P [Member] |
IfrsStatementLineItems [Line Items] |
Interest rate (in percent) | 5.32%
T J L P [Member] | Scenario 1 [member] |
IfrsStatementLineItems [Line Items] |
Interest rate (in percent) | 6.65%
T J L P [Member] | Scenario I I [Member] |
IfrsStatementLineItems [Line Items] |
Interest rate (in percent) | 7.98%
London Interbank Offered Rate L I B O R One [Member] |
IfrsStatementLineItems [Line Items] |
Interest rate (in percent) | 0.34%
London Interbank Offered Rate L I B O R One [Member] | Scenario 1 [member] |
IfrsStatementLineItems [Line Items] |
Interest rate (in percent) | 0.42%
London Interbank Offered Rate L I B O R One [Member] | Scenario I I [Member] |
IfrsStatementLineItems [Line Items] |
Interest rate (in percent) | 0.51%

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Data Type: | xbrli:stringItemType
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Data Type: | num:percentItemType
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Name: | sid_VariableInterestRateAxis=sid_CDIMember
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Data Type: | na
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Name: | ifrs-full_ProbabilityOfDefaultAxis=sid_ScenarioIMember
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- Details
Name: | sid_VariableInterestRateAxis=sid_TJLPMember
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Data Type: | na
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- Details
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Data Type: | na
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