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Note 15 - Intangible (Details Textual)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Statement Line Items [Line Items]
Amortisation period of intangible assets material to entity	5 years	5 years
Amortisation percentage	20.00%	20.00%

X

- Definition

The rate at which amortisation occurs for intangible assets per year.

+ References

No definition available.

+ Details

Name:	abev_AmortisationPercentage
Namespace Prefix:	abev_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The amortisation period of individual intangible assets that are material to the entity’s financial statements.

+ References

No definition available.

+ Details

Name:	abev_AmortisationPeriodOfIntangibleAssetsMaterialToEntity
Namespace Prefix:	abev_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	abev_StatementLineItems
Namespace Prefix:	abev_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration