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16. LEASES (Details) - BRL (R$) R$ in Thousands	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Presentation of leases for lessee [abstract]
Leases	R$ 1,623,523	R$ 1,501,960
Present value adjustment - Leases	(1,093,392)	(1,027,570)
Total lease liabilities	530,131	474,390	R$ 640,989
Classified:
Current	93,626	35,040
Non-current	436,505	439,350
Total lease liabilities	R$ 530,131	R$ 474,390	R$ 640,989

X

- Definition

The amount of current lease liabilities. [Refer: Lease liabilities]

+ References

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-IssueDate 2020-01-01
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X

- Definition

The amount of contractual undiscounted cash flows in relation to lease liabilities before deducting finance charges. [Refer: Lease liabilities]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
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X

- Definition

The amount of liabilities related to the entity's leases. Lease is a contract, or part of a contract, that conveys the right to use an underlying asset for a period of time in exchange for consideration.

+ References

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X

- Definition

The amount of non-current lease liabilities. [Refer: Lease liabilities]

+ References

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-IssueDate 2020-01-01
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- Definition

The amount of present value adjustment in leases.

+ References

No definition available.

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