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v3.19.1

Note 32 - Related Parties (Details Textual) - BRL (R$) R$ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Fundacao Zerrenner [member] |  |  |
Statement Line Items [Line Items] |  |  |
Percentage of ownership held by a related party | 10.20% |  |
Expenses incurred by a related party | R$ 273.2 | R$ 300.1 |
Recognised finance lease as assets | 85.0 |  |
Annual lease payment | 3.3 |  |
Fundacao Zerrenner [member] | Active employees [member] |  |  |
Statement Line Items [Line Items] |  |  |
Expenses incurred by a related party | 238.4 | 264.3 |
Fundacao Zerrenner [member] | Retirees [member] |  |  |
Statement Line Items [Line Items] |  |  |
Expenses incurred by a related party | 34.8 | 35.8 |
Anheuser-Busch, Inc [member] |  |  |
Statement Line Items [Line Items] |  |  |
Transfers under licence agreements from entity, related party transactions | 2.0 | 2.8 | R$ 2.0
Transfers under licence agreements to entity, related party transactions | R$ 431.6 | R$ 369.1 | R$ 374.0

X
- Definition The amount payable annually for a lease. + References No definition available. + Details
Name: | abev_AnnualLeasePayment
Namespace Prefix: | abev_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of expenses incurred by a related party during the period. + References No definition available. + Details
Name: | abev_ExpensesIncurredByARelatedParty
Namespace Prefix: | abev_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The percentage of ownership of the company that is held by a related party. + References No definition available. + Details
Name: | abev_PercentageOfOwnershipHeldByARelatedParty
Namespace Prefix: | abev_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- References No definition available. + Details
Name: | abev_StatementLineItems
Namespace Prefix: | abev_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of assets recognised by the entity, which are leased under finance leases. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Note Expiry date 2019-01-01 -Name IAS -Number 17 -IssueDate 2017-01-01 -Paragraph 31 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=17&date=2017-03-02&anchor=para_31_a&doctype=Standard&book=B -URIDate 2017-03-09 + Details
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Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of transfers under licence agreements from the entity in related party transactions. [Refer: Related parties [member]] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 24 -IssueDate 2017-01-01 -Paragraph 21 -Subparagraph f -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=24&date=2017-03-01&anchor=para_21_f&doctype=Standard -URIDate 2017-03-09 + Details
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Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of transfers under licence agreements to the entity in related party transactions. [Refer: Related parties [member]] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 24 -IssueDate 2017-01-01 -Paragraph 21 -Subparagraph f -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=24&date=2017-03-01&anchor=para_21_f&doctype=Standard -URIDate 2017-03-09 + Details
Name: | ifrs-full_TransfersUnderLicenseAgreementsToEntityRelatedPartyTransactions
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | ifrs-full_CategoriesOfRelatedPartiesAxis=abev_FundacaoZerrennerMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_CounterpartiesAxis=abev_ActiveEmployeesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_CounterpartiesAxis=abev_RetireesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_CategoriesOfRelatedPartiesAxis=abev_AnheuserBuschIncMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |