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INCOME AND SOCIAL CONTRIBUTION TAXES - Reconciliation of effects of income tax and social contribution on profit or loss (Details) - BRL (R$) R$ in Thousands | 6 Months Ended
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Jun. 30, 2021 | Jun. 30, 2020
Reconciliation of the effects of income tax and social contribution on profit or loss |  |
Net income (loss) before taxes | R$ 9,888,881 | R$ (24,236,648)
Income tax and social contribution benefit (expense) at statutory nominal rate of 34% | R$ (3,362,220) | R$ 8,240,460
Tax rate | 34.00% | 34.00%
Tax effect on permanent differences |  |
Taxation (difference) on profit of associates in Brazil and abroad | R$ 1,162,607 | R$ 746,640
Equity method | 30,724 | (1,004)
Thin capitalisation | (364,176) | (252,808)
Credit related to Reintegra Program | 3,615 | 3,367
Tax incentives applicable to income tax | 3,886 | 3,925
Director bonus | (14,096) | (5,508)
Write-off of tax credits, donations, fines and other | (67,781) | 29,997
Income and social contribution benefits (expenses) on the period | (2,607,441) | 8,765,069
Income tax |  |
Current | (148,847) | (57,006)
Deferred | (1,806,012) | 6,486,044
Total income Tax | (1,954,859) | 6,429,038
Social Contribution |  |
Current | (6,816) | (823)
Deferred | (645,766) | 2,336,854
Total Social Contribution | (652,582) | 2,336,031
Income and social contribution benefits (expenses) on the period | R$ (2,607,441) | R$ 8,765,069
Effective rate of income and social contribution tax expenses | 26.37% | 36.16%

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- Definition The applicable income tax rate. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2020-01-01 -Paragraph 81 -Subparagraph c -Clause ii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2020-en-r&anchor=para_81_c_ii&doctype=Standard -URIDate 2020-01-01 + Details
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- Definition The product of the accounting profit multiplied by the applicable tax rate(s). [Refer: Accounting profit; Applicable tax rate] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2020-01-01 -Paragraph 81 -Subparagraph c -Clause i -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2020-en-r&anchor=para_81_c_i&doctype=Standard -URIDate 2020-01-01 + Details
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- Definition The amount that represents the difference between the tax expense (income) and the product of the accounting profit multiplied by the applicable tax rate(s) that relates to credit related to Reintegrate program. + References No definition available. + Details
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- Definition The effect of the difference in taxation of subsidiaries is substantially due to the difference between the nominal rates of Brazil and subsidiaries abroad. + References No definition available. + Details
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- Definition The amount of tax effects on director bonus. + References No definition available. + Details
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