XML 63 R44.htm IDEA: XBRL DOCUMENT
v3.21.1

6. TRADE RECEIVABLES (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2020
Trade and other receivables [abstract] |
Schedule of trade receivables |
|  |  | Consolidated
| 12/31/2020 |  | 12/31/2019
Trade receivables |  |  |
Third parties |  |  |
Domestic market | 910,657 |  | 1,118,632
Foreign market | 2,063,867 |  | 1,003,905
| 2,974,524 |  | 2,122,537
Allowance for doubtful debts | (228,348) |  | (245,194)
| 2,746,176 |  | 1,877,343
Related parties (note 22 b) | 121,176 |  | 170,588
| 2,867,352 |  | 2,047,931
Schedule of gross trade receivables from third parties | The composition of the gross balance of accounts receivable from third party customers is shown as follows:
|  |  | Consolidated
| 12/31/2020 |  | 12/31/2019
Current | 2,537,567 |  | 1,739,746
Past-due up to 30 days | 222,972 |  | 132,845
Past-due up to 180 days | 17,915 |  | 23,877
Past-due over 180 days | 196,070 |  | 226,069
| 2,974,524 |  | 2,122,537
Schedule of allowance for doubtful debts | The changes in credit losses are as follows:
|  |  |  | Consolidated
|  | 12/31/2020 |  | 12/31/2019
Opening balance |  | (245,194) |  | (237,352)
(Loss)/Reversal estimated |  | 7,513 |  | (43,313)
Recovery and write-offs of receivables |  | 9,333 |  | 35,471
Closing balance |  | (228,348) |  | (245,194)

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

X
- Definition Schedule disclosing information related to the summary of changes in allowance for doubtful debts . + References No definition available. + Details
Name: | sid_SummaryOfChangesInAllowanceForDoubtfulDebtsTableTextBlock
Namespace Prefix: | sid_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Schedule disclosing information related to the summary of gross trade receivables from third parties . + References No definition available. + Details
Name: | sid_SummaryOfGrossTradeReceivablesFromThirdPartiesTableTextBlock
Namespace Prefix: | sid_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Schedule disclosing information related to the summary of trade receivables . + References No definition available. + Details
Name: | sid_SummaryOfTradeReceivablesTableTextBlock
Namespace Prefix: | sid_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration