XML 76 R126.htm IDEA: XBRL DOCUMENT
v3.20.1

13 OTHER PAYABLES (Details 2) R$ in Thousands | Dec. 31, 2018 BRL (R$)
--- | ---
Other Payables [Abstract] |
Operating lease commitment | R$ 4,217,333
Renewal options not included in commitments | 833,083
Effect timing differences between inception and commencement | (26,580)
Variable lease payments not included in commitments | (3,661,675)
Lease liabilities before discounting | 1,362,161
Discount to presente value | (990,827)
Lease liabilities | R$ 371,334

X
- Definition The amount of present value adjustment in discount to presente value. + References No definition available. + Details
Name: | sid_DiscountToPresenteValue
Namespace Prefix: | sid_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of present value adjustment in effect timing differences between inception and commencement. + References No definition available. + Details
Name: | sid_EffectTimingDifferencesBetweenInceptionAndCommencement
Namespace Prefix: | sid_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of present value adjustment in lease liabilities before discounting. + References No definition available. + Details
Name: | sid_LeaseLiabilitiesBeforeDiscounting
Namespace Prefix: | sid_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of present value adjustment in lease liabilities. + References No definition available. + Details
Name: | sid_LeaseLiabilitiesTwo
Namespace Prefix: | sid_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of present value adjustment in operating lease commitment. + References No definition available. + Details
Name: | sid_OperatingLeaseCommitment
Namespace Prefix: | sid_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | sid_OtherPayablesAbstract
Namespace Prefix: | sid_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of present value adjustment in renewal options not included in commitments. + References No definition available. + Details
Name: | sid_RenewalOptionsNotIncludedInCommitments
Namespace Prefix: | sid_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of present value adjustment in variable lease payments not included in commitments. + References No definition available. + Details
Name: | sid_VariableLeasePaymentsNotIncludedInCommitments
Namespace Prefix: | sid_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant