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Shareholders Equity - Additional Information (Detail) R$ / shares in Units, R$ in Thousands |  |  |  |  | 12 Months Ended |
--- | --- | --- | --- | --- | --- | ---
May 06, 2021 | Apr. 30, 2021 | Mar. 26, 2021 shares | Feb. 02, 2021 BRL (R$) shares | Dec. 31, 2021 BRL (R$) R$ / shares shares | Dec. 31, 2020 BRL (R$)
Disclosure of classes of share capital [line items] |  |  |  |  |  |
Stock Split, Conversion Ratio | 0.25 | 0.25 |  |  |  |
Dividend as a percetage of net income |  |  |  |  | 25.00% |
Fully paid in issued capital |  |  |  |  | R$ 6,365,853 | R$ 5,727,478
Amount of shares authorized |  |  |  |  | R$ 7,000,000 |
Common shares [member] |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |
Treasury shares | shares |  |  |  |  | 5,440,772 |
Market value per share | R$ / shares |  |  |  |  | R$ 2,169 |
Shares cancelled | shares |  |  |  | 10,000,000 |  |
Shares repurchased | shares |  |  | 68,000,000 |  | 60,000 |
Number of shares issued to employees for share-based compensation plans | shares |  |  |  |  | 1,393,156 |
Number of shares sold or issued for other than share-based compensation plans | shares |  |  |  |  | 363,263 |
Cancellation of treasury shares |  |  |  | R$ 496,916 |  |
Stock Split, Conversion Ratio | 0.25 | 0.25 |  |  |  |
Shares repurchased amount |  |  |  |  | R$ 4,778 |
Amount of shares issued to members of share-based criteria plans |  |  |  |  | 4,603 |
Amount of cash received from executives |  |  |  |  | 8,428 |
Gain generated from cash received from executives |  |  |  |  | R$ 3,825 |
Share repurchase percentage |  |  | 5.89% |  |  |
Number of nominative common shares | shares |  |  |  |  | 1,874,070,932 |
Legal reserve |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |
Percentage of reserve allocation from net income |  |  |  |  | 5.00% |
Threshold percentage limit of capital for legal reserve to be maintained |  |  |  |  | 20.00% |

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- Definition The amount of shares authorised. + References No definition available. + Details
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- Definition Represents amount of shares issued to members of share-based criteria plans. + References No definition available. + Details
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- Definition Market value price per share. + References No definition available. + Details
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- Definition Number of shares cancelled. + References No definition available. + Details
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- Definition The number of shares sold or issued for other than share-based compensation plans during period. + References No definition available. + Details
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- Definition The number of shares issued to employees for share-based compensation plans during period. + References No definition available. + Details
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- Definition Number of shares repurchased. + References No definition available. + Details
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- Definition Percentage of own shares repurchased. + References No definition available. + Details
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- Definition The percentage of reserve allocation from net income for the year. + References No definition available. + Details
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- Definition The ratio applied to the conversion of stock split, for example but not limited to, one share converted to two or two shares converted to one. + References No definition available. + Details
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- Definition The amount of treasury stock cancelled during the period. [Refer: Treasury shares] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 106 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_106_d&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The number of shares issued by the entity. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 106 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_106_d&doctype=Standard -URIDate 2021-03-24 + Details
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