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Provisions and Contingencies - Balances of escrow deposits (Detail) - BRL (R$) R$ in Thousands | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Summary of escrow deposits [line items] |  |
Total - non-current assets | R$ 921,443 | R$ 881,507
Tax matters [member] |  |
Summary of escrow deposits [line items] |  |
Total - non-current assets | 753,810 | 727,493
Labor litigation [member] |  |
Summary of escrow deposits [line items] |  |
Total - non-current assets | 71,605 | 69,978
Civil and other [member] |  |
Summary of escrow deposits [line items] |  |
Total - non-current assets | R$ 96,028 | R$ 84,036

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- Definition The amount of long-term deposits held by the entity. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2019-01-01 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_55&doctype=Standard -URIDate 2019-03-27 + Details
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Balance Type: | debit
Period Type: | instant

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- Definition Summary of escrow deposits. + References No definition available. + Details
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Data Type: | xbrli:stringItemType
Balance Type: | na
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- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |