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Schedule of reconciliation of income tax and social contribution income (expense) (Details) - BRL (R$) R$ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
IfrsStatementLineItems [Line Items] |  |  |  |
Profit/(Loss) before income tax and social contribution |  | R$ 18,595,778 | R$ 4,918,126 | R$ 1,410,733
Applicable tax rate |  | 34.00% | 34.00% | 34.00%
Income tax and social contribution at combined statutory rate |  | R$ (6,322,565) | R$ (1,672,163) | R$ (479,649)
Income tax and social contribution |  | R$ (5,000,157) | R$ (625,508) | R$ 833,778
Tax rate effect of tax losses |  | 27.00% | 13.00% | (59.00%)
Equity In Results Of Affiliated Companies [Member] |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |
Adjustment to reflect the effective rate |  | R$ 71,833 | R$ 28,391 | R$ 46,737
Profit With Differentiated Rates Or Untaxed [Member] |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |
Adjustment to reflect the effective rate |  | (437,567) | (519,840) | (236,404)
Transfer Pricing Adjustment [Member] |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |
Adjustment to reflect the effective rate |  | (20,925) | (15,645) | (18,494)
Tax Loss Carryforwards Without Recognizing Deferred Taxes [Member] |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |
Adjustment to reflect the effective rate |  | (9,495) | (27,758) | (21,095)
Limit Of Indebtedness [Member] |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |
Adjustment to reflect the effective rate |  | (6,260) | (25,087) | (20,393)
Unrecorded Deferred Taxes On Temporary Differences [Member] |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |
Adjustment to reflect the effective rate |  | 3,181 | 5,142 | (2,835)
Losses Reversal For Deferred Income And Social Contribution Tax Credits [Member] |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |
Adjustment to reflect the effective rate |  | 1,033,566 | 1,540,087 | 1,530,185
Income Tax And Social Contribution On Foreign Profit [Member] |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |
Adjustment to reflect the effective rate |  | (34,896) | (13,011) | (14,424)
Tax Incentives [Member] |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |
Adjustment to reflect the effective rate |  | 273,040 | 64,818 | 39,042
Interest On Equity [Member] |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |
Adjustment to reflect the effective rate |  | 185,325 | 17,177 | 22,107
Other Permanent Deductions Additions [Member] |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |
Adjustment to reflect the effective rate | [1] | R$ 264,606 | R$ (7,619) | R$ (10,999)
[1] | In September 2021 the Company recognized a credit for the unconstitutionality of the incidence of IRPJ and CSLL on amounts referring to the SELIC rate received due to the repetition of undue tax payment (see note 9).

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- Definition The amount of profit (loss) for a period before deducting tax expense. [Refer: Profit (loss)] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2021-01-01 -Paragraph 81 -Subparagraph c -Clause ii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2021-en-r&anchor=para_81_c_ii&doctype=Standard -URIDate 2021-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2021-01-01 -Paragraph 81 -Subparagraph c -Clause i -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2021-en-r&anchor=para_81_c_i&doctype=Standard -URIDate 2021-03-24 + Details
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