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Note 6 - Net Sales (Tables) | 12 Months Ended
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Dec. 31, 2018
Statement Line Items [Line Items] |
Disclosure of the reconciliation between gross sales and net sales [text block] |
|  |  | 2018 |  |  |  | 2017 |  |  |  | 2016 |
Gross sales and/or services |  |  | 73,628.9 |  |  |  | 72,411.0 |  |  |  | 79,551.1 |
Excise duty |  |  | (15,876.6 | ) |  |  | (16,192.9 | ) |  |  | (16,345.2 | )
Discounts |  |  | (7,521.0 | ) |  |  | (8,318.8 | ) |  |  | (17,603.3 | )
|  |  | 50,231.3 |  |  |  | 47,899.3 |  |  |  | 45,602.6 |

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- Definition The disclosure of the of reconciliation between gross sales and net sales. + References No definition available. + Details
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Namespace Prefix: | abev_
Data Type: | nonnum:textBlockItemType
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