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Note 14 - Goodwill (Details Textual)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Statement Line Items [Line Items]
Goodwill percentage of total assets	36.00%	36.00%
Cost to sell rate	1.50%

X

- Definition

The percentage amount of the entity value for cost to sell.

+ References

No definition available.

+ Details

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

X

- Definition

The percentage of total assets that make up goodwill.

+ References

No definition available.

+ Details

Name:	abev_GoodwillPercentageOfTotalAssets
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