13. INTANGIBLE ASSETS (Details Narrative)	12 Months Ended
Dec. 31, 2020 BRL (R$)
Assets held for sale [member]
Disclosure of detailed information about intangible assets [line items]
Transfer of intangible assets	R$ 6,970
Cash-Generating Units [Member]
Disclosure of detailed information about intangible assets [line items]
Cash generating units percentage	3.25%
Cash-Generating Units [Member] \| Bottom of range [member]
Disclosure of detailed information about intangible assets [line items]
Discounted cash flows percentage	11.21%
Cash-Generating Units [Member] \| Top Of Range [member]
Disclosure of detailed information about intangible assets [line items]
Discounted cash flows percentage	13.22%

The discount rate applied to cash flow projections for a cash-generating unit (group of units). [Refer: Cash-generating units [member]]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 36
-IssueDate 2020-01-01
-Paragraph 134
-Subparagraph d
-Clause v
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=36&code=ifrs-tx-2020-en-r&anchor=para_134_d_v&doctype=Standard
-URIDate 2020-01-01

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 36
-IssueDate 2020-01-01
-Paragraph 134
-Subparagraph e
-Clause v
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=36&code=ifrs-tx-2020-en-r&anchor=para_134_e_v&doctype=Standard
-URIDate 2020-01-01

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