XML 83 R72.htm IDEA: XBRL DOCUMENT
v3.19.1

3. SALE OF FOREIGN SUBSIDIARY (Details) - BRL (R$) R$ in Thousands | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2018 | Dec. 31, 2018
USD |  |
SaleOfForeignSubsidiaryLineItems [Line Items] |  |
Receipt from disposal of the investment | R$ 395,661 |
Deposit in Warranty | 2,000 |
Contractual expenses and fees (d) | 2,339 |
Basis price for alienation (a) | 400,000 |
Working Capital Receivable (b) (*) | 34,008 |
Shareholder's Equity da LLC (c) | 133,445 |
Net gain of alienation = (a+b-c-d) | 298,224 |
USD | Change in working capital |  |
SaleOfForeignSubsidiaryLineItems [Line Items] |  |
Working Capital Receivable (b) (*) | 3,581 |
Net gain of alienation = (a+b-c-d) | 3,581 |
R |  |
SaleOfForeignSubsidiaryLineItems [Line Items] |  |
Receipt from disposal of the investment | 1,525,590 |
Deposit in Warranty | 7,712 |
Contractual expenses and fees (d) | 9,021 |
Basis price for alienation (a) | 1,542,323 |
Working Capital Receivable (b) (*) | 131,127 |
Shareholder's Equity da LLC (c) | 514,537 |
Net gain of alienation = (a+b-c-d) | 1,149,892 |
R | Change in working capital |  |
SaleOfForeignSubsidiaryLineItems [Line Items] |  |
Receipt from disposal of the investment |  | R$ 1,525,590
Deposit in Warranty |  | 7,712
Contractual expenses and fees (d) |  | 9,021
Basis price for alienation (a) |  | 1,542,323
Working Capital Receivable (b) (*) | 14,402 | 145,529
Shareholder's Equity da LLC (c) |  | 514,537
Net gain of alienation = (a+b-c-d) | R$ 14,402 | R$ 1,164,294

X
- References No definition available. + Details
Name: | SID_BasisPriceForAlienation
Namespace Prefix: | SID_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | SID_ContractualExpensesAndFees
Namespace Prefix: | SID_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | SID_DepositInWarranty
Namespace Prefix: | SID_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- References No definition available. + Details
Name: | SID_NetGainOfAlienation
Namespace Prefix: | SID_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- References No definition available. + Details
Name: | SID_ReceiptFromDisposalOfInvestment
Namespace Prefix: | SID_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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

X
- References No definition available. + Details
Name: | SID_ShareholdersEquityDaLLC
Namespace Prefix: | SID_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- References No definition available. + Details
Name: | SID_WorkingCapitalReceivable
Namespace Prefix: | SID_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | srt_CurrencyAxis=SID_USDMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | SID_WorkingCapitalAxis=SID_ChangeInWorkingCapitalMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CurrencyAxis=SID_BRLMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |