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7. INVENTORIES (Details) - BRL (R$) R$ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
InventoriesLineItems [Line Items] |  |  |
(-) Provision for losses |  | R$ (109,038) | R$ (134,553)
Inventoy, net |  | 5,164,890 | 5,427,249
Current |  | 4,817,586 | 5,282,750
Non-current |  | 347,304 | 144,499
Work in progress [member] |  |  |
InventoriesLineItems [Line Items] |  |  |
Inventory gross | [1] | 1,358,905 | 1,438,868
Finished goods [member] |  |  |
InventoriesLineItems [Line Items] |  |  |
Inventory gross |  | 1,627,676 | 1,691,842
Raw materials [member] |  |  |
InventoriesLineItems [Line Items] |  |  |
Inventory gross |  | 1,289,653 | 1,493,129
Spare parts [member] |  |  |
InventoriesLineItems [Line Items] |  |  |
Inventory gross |  | 928,158 | 902,135
Advances to suppliers [member] |  |  |
InventoriesLineItems [Line Items] |  |  |
Inventory gross |  | R$ 69,536 | R$ 35,828
[1] | Long-term iron ore inventories that will be used after the construction of the processing plant, which will produce pellet feed, In 2020, the Company defined the construction project for the new plant for processing Itabirito, which until then was considered as waste, and started to be incorporated into the long-term ore inventory.

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- Definition The amount of current inventories. [Refer: Inventories] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 2 -IssueDate 2020-01-01 -Paragraph 36 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=2&code=ifrs-tx-2020-en-r&anchor=para_36_b&doctype=Standard -URIDate 2020-01-01 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 54 -Subparagraph g -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_54_g&doctype=Standard -URIDate 2020-01-01 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 68 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_68&doctype=Standard -URIDate 2020-01-01 + Details
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- Definition The amount of inventories carried at net realisable value. [Refer: Inventories] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 2 -IssueDate 2020-01-01 -Paragraph 36 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=2&code=ifrs-tx-2020-en-r&anchor=para_36&doctype=Standard -URIDate 2020-01-01 + Details
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- Definition The amount of non-current inventories. [Refer: Inventories] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 54 -Subparagraph g -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_54_g&doctype=Standard -URIDate 2020-01-01 + Details
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