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Schedule of income tax and social contribution recognized in shareholders' equity (Details) - BRL (R$) R$ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Income tax and social contribution |  |  |
Actuarial gains on defined benefit pension plan | [1] | R$ 104,532 | R$ 170,604
Estimated losses for deferred income and social contribution tax credits - actuarial gains |  |  | (172,520)
Exchange differences on translating foreign operations |  | (325,350) | (325,350)
Cash flow hedge accounting |  | 1,959,556 | 1,742,520
Estimated losses for deferred income and social contribution tax credits - cash flow hedge |  |  | (1,742,520)
total |  | R$ 1,738,738 | R$ (327,266)
[1] | The Company taxes exchange variations on a cash basis to calculate income tax and social contribution on net income.

X
- Definition The aggregate current and deferred tax relating to particular items that are charged or credited directly to equity, for example: (a) an adjustment to the opening balance of retained earnings resulting from either a change in accounting policy that is applied retrospectively or the correction of an error; and (b) amounts arising on initial recognition of the equity component of a compound financial instrument. [Refer: Deferred tax relating to items credited (charged) directly to equity; Retained earnings; Financial instruments, class [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2021-01-01 -Paragraph 81 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2021-en-r&anchor=para_81_a&doctype=Standard -URIDate 2021-03-24 + Details
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X
- Definition The amount of tax expense or income relating to changes in deferred tax liabilities and deferred tax assets, recognised in profit or loss. [Refer: Deferred tax assets; Deferred tax expense (income); Deferred tax liabilities] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2021-01-01 -Paragraph 81 -Subparagraph g -Clause ii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2021-en-r&anchor=para_81_g_ii&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The increase (decrease) in deferred tax liability (asset) resulting from the net exchange differences arising when the financial statements are translated from the functional currency into a different presentation currency, including the translation of a foreign operation into the presentation currency of the reporting entity. [Refer: Deferred tax liability (asset)] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 12 -IssueDate 2021-01-01 -Paragraph 81 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2021-en-r&anchor=para_81&doctype=Standard -URIDate 2021-03-24 + Details
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