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6. INVENTORIES (Details) - BRL (R$) R$ in Thousands | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
InventoriesLineItems [Line Items] |  |
(-) Provision for losses | R$ (134,553) | R$ (157,754)
Inventoy, net | 5,282,750 | 5,039,560
Finished Goods [Member] |  |
InventoriesLineItems [Line Items] |  |
Inventory gross | 1,691,842 | 1,501,969
Work In Progress [Member] |  |
InventoriesLineItems [Line Items] |  |
Inventory gross | 1,294,369 | 1,217,611
Raw Materials [Member] |  |
InventoriesLineItems [Line Items] |  |
Inventory gross | 1,493,129 | 1,584,140
Spare Parts [Member] |  |
InventoriesLineItems [Line Items] |  |
Inventory gross | 857,402 | 902,135
Advances To Suppliers [Member] |  |
InventoriesLineItems [Line Items] |  |
Inventory gross | R$ 35,828 | R$ 36,192

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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 2019-01-01 -Paragraph 36 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=2&code=ifrs-tx-2019-en-r&anchor=para_36&doctype=Standard -URIDate 2019-03-27 + Details
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