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Note 3 - Summary of Significant Accounting Policies - Useful Lives of Major Property, Plant and Equipment (Details) | 12 Months Ended
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Dec. 31, 2017
Buildings [member] |
Statement Line Items [Line Items] |
Property, plant and equipment, useful life (Year) | 25 years
Plant and equipment [member] |
Statement Line Items [Line Items] |
Property, plant and equipment, useful life (Year) | 15 years
Fixtures [member] |
Statement Line Items [Line Items] |
Property, plant and equipment, useful life (Year) | 10 years
Fittings [member] |
Statement Line Items [Line Items] |
Property, plant and equipment, useful life (Year) | 10 years
External use assets [member] | Bottom of range [member] |
Statement Line Items [Line Items] |
Property, plant and equipment, useful life (Year) | 2 years
External use assets [member] | Top of range [member] |
Statement Line Items [Line Items] |
Property, plant and equipment, useful life (Year) | 5 years

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- Definition The useful lives of property, plant and equipment. + References No definition available. + Details
Name: | abev_PropertyPlantAndEquipmentUsefulLife
Namespace Prefix: | abev_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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

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- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=ifrs-full_BuildingsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=abev_PlantAndEquipmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=abev_FixturesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=abev_FittingsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=abev_ExternalUseAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | ifrs-full_RangeAxis=ifrs-full_BottomOfRangeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_RangeAxis=ifrs-full_TopOfRangeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |