XML 148 R137.htm IDEA: XBRL DOCUMENT
v3.19.1

19. RELATED-PARTY BALANCES AND TRANSACTIONS (Details 1) - BRL (R$) R$ in Thousands | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | ---
Disclosure of transactions between related parties [line items] |  |
Current assets | R$ 238,144 | R$ 162,987
Noncurrent assets | 1,025,339 | 696,745
Current liabilities | 171,300 | 138,071
Noncurrent liabilities | 104,611 | 41,937
Total assets | 1,263,483 | 859,732
Total liabilities | 275,911 | 180,008
Accounts payable |  |
Disclosure of transactions between related parties [line items] |  |
Current liabilities | 29,286 | 57,008
Noncurrent liabilities | 96,629 |
Total liabilities | 125,915 | 57,008
Provision for consumption and services |  |
Disclosure of transactions between related parties [line items] |  |
Current liabilities | 6,213 |
Total liabilities | 6,213 |
Trade payables |  |
Disclosure of transactions between related parties [line items] |  |
Current liabilities | 135,801 | 81,063
Total liabilities | 135,801 | 81,063
Actuarial liabilities |  |
Disclosure of transactions between related parties [line items] |  |
Noncurrent liabilities | 7,982 | 41,937
Total liabilities | 7,982 | 41,937
Trade receivables |  |
Disclosure of transactions between related parties [line items] |  |
Current assets | 93,317 | 115,388
Total assets | 93,317 | 115,388
Dividends receivable |  |
Disclosure of transactions between related parties [line items] |  |
Current assets | 46,171 | 41,528
Total assets | 46,171 | 41,528
Actuarial asset |  |
Disclosure of transactions between related parties [line items] |  |
Noncurrent assets | 99,894 | 111,281
Total assets | 99,894 | 111,281
Short-term investments/Investments |  |
Disclosure of transactions between related parties [line items] |  |
Current assets | 92,332 | 53
Total assets | 92,332 | 53
Loans |  |
Disclosure of transactions between related parties [line items] |  |
Current assets | 2,675 | 2,441
Noncurrent assets | 706,605 | 554,694
Total assets | 709,280 | 557,135
Other receivables |  |
Disclosure of transactions between related parties [line items] |  |
Current assets | 3,649 | 3,577
Noncurrent assets | 218,840 | 30,770
Total assets | R$ 222,489 | R$ 34,347

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

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

X
- Definition The amounts payable resulting from related party transactions. [Refer: Related parties [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 24 -IssueDate 2018-01-01 -Paragraph 20 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=24&date=2018-03-01&anchor=para_20&doctype=Standard -URIDate 2018-03-16 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 24 -IssueDate 2018-01-01 -Paragraph 18 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=24&date=2018-03-01&anchor=para_18_b&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_AmountsPayableRelatedPartyTransactions
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amounts receivable resulting from related party transactions. [Refer: Related parties [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 24 -IssueDate 2018-01-01 -Paragraph 20 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=24&date=2018-03-01&anchor=para_20&doctype=Standard -URIDate 2018-03-16 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 24 -IssueDate 2018-01-01 -Paragraph 18 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=24&date=2018-03-01&anchor=para_18_b&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_AmountsReceivableRelatedPartyTransactions
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. + References No definition available. + Details
Name: | ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of non-current payables due to related parties. [Refer: Related parties [member]; Payables to related parties] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 78 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_78&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_NoncurrentPayablesToRelatedParties
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of non-current receivables due from related parties. [Refer: Related parties [member]] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 78 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_78_b&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_NoncurrentReceivablesDueFromRelatedParties
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | ifrs-full_ClassesOfLiabilitiesAxis=SID_AccountPayableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfLiabilitiesAxis=SID_ProvisionForConsumptionAndServicesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfLiabilitiesAxis=SID_TradePayablesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfLiabilitiesAxis=SID_ActuarialLiabilitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfAssetsAxis=ifrs-full_TradeReceivablesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfAssetsAxis=SID_DividendsReceivableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfAssetsAxis=SID_ActuarialAssetMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfAssetsAxis=SID_ShortTermInvestmentsInvestmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfAssetsAxis=SID_LoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfAssetsAxis=SID_OtherReceivablesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |