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EMPLOYEE BENEFITS - Net Liability for Defined Benefit Plans (Details) - BRL (R$) R$ in Millions | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | --- | ---
IfrsStatementLineItems [Line Items] |  |  |
Present value of funded obligations | R$ (5,476.5) | R$ (7,354.3) | R$ (7,582.0)
Fair value of plan assets | 4,543.3 | 5,638.0 | 5,533.3
Present value of net obligations | (933.2) | (1,716.3) | (2,048.7)
Present value of unfunded obligations | (921.0) | (1,165.4) | (1,195.6)
Present value of net obligations | (1,854.2) | (2,881.7) | (3,244.3)
Asset ceiling | (163.3) | (180.1) | (160.5)
Net liabilities | (2,017.5) | (3,061.8) | (3,404.8)
Other long term employee benefits | (87.1) | (104.3) | (105.5)
Net liabilities | (2,104.6) | (3,166.1) | (3,510.3)
Total employee benefit | 2,104.6 | 3,166.1 | 3,510.3
Employee benefits assets [member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Net liabilities | (56.6) | (27.9) | (33.6)
Total employee benefit | 56.6 | 27.9 | 33.6
Employee benefit liabilities [member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Net liabilities | 2,161.2 | 3,194.0 | 3,543.9
Total employee benefit | R$ (2,161.2) | R$ (3,194.0) | R$ (3,543.9)

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- Definition The present value of benefits available from refunds in the defined benefit plan or reductions in future contributions to the defined benefit plan. + References No definition available. + Details
Name: | abev_AssetCeiling
Namespace Prefix: | abev_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition The present value of the funded portion, without deducting any plan assets, of expected future payments required to settle the obligation resulting from employee service in the current and prior periods. + References No definition available. + Details
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Namespace Prefix: | abev_
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- Definition The present value unfunded portion, without deducting any plan assets, of expected future payments required to settle the obligation resulting from employee service in the current and prior periods. + References No definition available. + Details
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Balance Type: | credit
Period Type: | instant

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

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- Definition The other long term employee benefit liabilities of the entity. + References No definition available. + Details
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Namespace Prefix: | abev_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition The present value, without deducting any plan assets, of expected future payments required to settle the obligation resulting from employee service in the current and prior periods. [Refer: Plan assets, at fair value] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 19 -IssueDate 2022-03-24 -Paragraph 57 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2022-en-r&anchor=para_57_a&doctype=Standard -URIDate 2022-03-24 + Details
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- Definition The amount of deficit or surplus in a defined benefit plan, adjusted for any effect of limiting a net defined benefit asset to the asset ceiling. [Refer: Defined benefit plans [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2022-03-24 -Paragraph 140 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2022-en-r&anchor=para_140_a&doctype=Standard -URIDate 2022-03-24 + Details
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- Definition The fair value of defined benefit plan assets. Plan assets comprise assets held by a long-term employee benefit fund and qualifying insurance policies. [Refer: At fair value [member]] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 19 -IssueDate 2022-03-24 -Paragraph 57 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2022-en-r&anchor=para_57_a&doctype=Standard -URIDate 2022-03-24 + Details
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- Definition The amount of deficit in a defined benefit plan. [Refer: Defined benefit plans [member]] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 55 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_55&doctype=Standard -URIDate 2022-03-24 + Details
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- Definition The fair value of any plan assets, less the present value of the defined benefit obligation. [Refer: Plan assets [member]] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 19 -IssueDate 2022-03-24 -Paragraph 57 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2022-en-r&anchor=para_57_a&doctype=Standard -URIDate 2022-03-24 + Details
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Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
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