XML 205 R153.htm IDEA: XBRL DOCUMENT
v3.19.1

Share-based payment - Summary of Expenses on Stock Based Payment Plans (Detail) - BRL (R$) R$ in Millions | 12 Months Ended
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Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Compensation expense by plan | R$ (603) | R$ (536) | R$ (591)
Partner plan [member] |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Compensation expense by plan | (226) | (234) | (306)
Variable compensation plan [member] |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Compensation expense by plan | R$ (377) | R$ (302) | R$ (285)

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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. + References No definition available. + Details
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Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition The amount of expense from share-based payment transactions with employees. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_112_c&doctype=Standard -URIDate 2017-03-09 + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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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: |
Data Type: | na
Balance Type: |
Period Type: |