CONCESSION CONTRACT ASSETS (Details Narrative)	12 Months Ended
Dec. 31, 2021 BRL (R$)
IfrsStatementLineItems [Line Items]
Borrowing costs capitalised	R$ 15,000,000
Borrowing costs capitalised	9.44%
Amortization rate	3.00%
[custom:AmortizationRate]	16.11%
Reduction of amortization	R$ 269
[custom:ContractAssets11-0]	211
[custom:ContractAssets2-0]	R$ 4
Contract 0792020 [Member]
IfrsStatementLineItems [Line Items]
Repositioning factor	5000.00%

The amount of interest and other costs that an entity incurs in connection with the borrowing of funds that are directly attributable to the acquisition, construction or production of a qualifying asset and which form part of the cost of that asset.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 23
-IssueDate 2021-01-01
-Paragraph 26
-Subparagraph a
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=23&code=ifrs-tx-2021-en-r&anchor=para_26_a&doctype=Standard
-URIDate 2021-03-24

Name:	ifrs-full_BorrowingCostsCapitalised
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	duration