INCOME AND SOCIAL CONTRIBUTION TAXES - Reconciliation (Details) - BRL (R$) R$ in Thousands	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Reconciliations of taxes at statutory rates to amounts presented in the Statement of Income
Income (loss) before income taxes	R$ 3,495,678	R$ 1,674,720	R$ 2,157,431
Statutory tax rates	34.00%	34.00%	34.00%
Income and social contribution taxes at statutory rates	R$ (1,188,531)	R$ (569,405)	R$ (733,527)
Tax adjustment with respect to:
Difference in tax rates in foreign companies	530,715	75,428	663,116
Equity in earnings of unconsolidated companies	51,873	(5,797)	3,448
Interest on equity	98,739	69	128,418
Tax credits and incentives	31,800	8,852	9,531
Deferred tax assets not recognized	(592,861)
Recognition of previously unrecognized tax losses	4,944	1,097	47,545
Other permanent differences, net	(44,303)	31,923	50,420
Income and social contribution taxes	(1,107,624)	(457,833)	168,951
Current	(908,051)	(240,400)	(629,209)
Deferred	R$ (199,573)	R$ (217,433)	R$ 798,160
Income taxes
Reconciliations of taxes at statutory rates to amounts presented in the Statement of Income
Statutory tax rates	25.00%	25.00%	25.00%
Social contribution taxes
Reconciliations of taxes at statutory rates to amounts presented in the Statement of Income
Statutory tax rates	9.00%	9.00%	9.00%
Foreign subsidiaries \| Minimum
Reconciliations of taxes at statutory rates to amounts presented in the Statement of Income
Foreign tax rate	23.00%	23.00%	23.00%
Foreign subsidiaries \| Maximum
Reconciliations of taxes at statutory rates to amounts presented in the Statement of Income
Foreign tax rate	34.00%	34.00%	34.00%
Foreign subsidiaries with mainly financial activities
Reconciliations of taxes at statutory rates to amounts presented in the Statement of Income
Foreign tax rate	0.00%	0.00%	0.00%

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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 recognition of previously unrecognized tax losses.

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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 deferred tax assets not recognized.

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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 equity in earnings (losses) of unconsolidated companies.

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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 Interest on equity.

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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 tax credits and incentives.

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The amount of profit (loss) for a period before deducting tax expense. [Refer: Profit (loss)]

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The applicable income tax rate.

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The amount of income taxes payable (recoverable) in respect of the taxable profit (tax loss) for a period.

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The amount of tax expense (income) relating to changes in deferred tax liabilities and deferred tax assets. [Refer: Deferred tax assets; Deferred tax liabilities]

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The aggregate amount included in the determination of profit (loss) for the period in respect of current tax and deferred tax. [Refer: Current tax expense (income); Deferred tax expense (income)]

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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 the entity does not separately disclose in the same statement or note. [Refer: Accounting profit; Applicable tax rate]

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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 foreign tax rates. [Refer: Accounting profit]

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The product of the accounting profit multiplied by the applicable tax rate(s). [Refer: Accounting profit; Applicable tax rate]

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The tax rate effect on the reconciliation between the average effective tax rate and the applicable tax rate resulting from the application of foreign tax rates. [Refer: Average effective tax rate; Applicable tax rate]

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