The interest rate on borrowings. [Refer: Borrowings]

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IFRS
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-IssueDate 2019-01-01
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- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.

+ References

No definition available.

+ Details

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- Definition

The nominal or face amount of a financial instrument, used to calculate payments made on that instrument.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2019-01-01
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- Definition

The cash inflow from the issuing of bonds, notes and debentures.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 7
-IssueDate 2019-01-01
-Paragraph 17
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- Definition

The cash outflow for repayments of bonds, notes and debentures.

+ References

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- Definition

The maturity period of borrowings obtained.

+ References

No definition available.

+ Details

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- Definition

The percentage of the entity's investment plan decreased due to cash containment measurement applied by the reporting entity.

+ References

No definition available.

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Operations - Main risks and associated measures (Details Textuals) - BRL (R$) R$ in Millions	1 Months Ended
	Nov. 30, 2020	Jul. 31, 2020	Apr. 30, 2020
Disclosure of detailed information about borrowings [line items]
Decrease percentage of investment plan			30.00%
Promissory notes [Member] \| IPP [member]
Disclosure of detailed information about borrowings [line items]
New financing contracted amount			R$ 1,500
Borrowings, maturity period			1 year
Proceeds through the issuance of borrowings			R$ 1,300
Repayments of borrowings	R$ 300
Bonds maturing in 2029 [Member]
Disclosure of detailed information about borrowings [line items]
Proceeds through the issuance of borrowings		R$ 350
Borrowings, coupon rate		5.25%