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Share-Based Payments - Summary of Number of Options Outstanding (Detail) shares in Millions, Unit_pure in Millions | 12 Months Ended
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Dec. 31, 2023 shares | Dec. 31, 2022 | Dec. 31, 2021
Disclosure of information about options outstanding [line items] |  |  |
Options outstanding at the end of December | 88 |  |
Brazil [Member] | Ambev [member] |  |  |
Disclosure of information about options outstanding [line items] |  |  |
Options outstanding at 1 January | 99.8 | 113.8 | 127.3
Options exercised during the year | 0.0 | 0.0 | (5.2)
Options forfeited during the year | (11.8) | (14.0) | (8.3)
Options outstanding at the end of December | 88.0 | 99.8 | 113.8
AB inBev [member] |  |  |
Disclosure of information about options outstanding [line items] |  |  |
Options outstanding at 1 January | 83.2 | 102.7 | 113.3
Options exercised during the year | (2.2) | (1.0) | (1.3)
Options forfeited during the year | (1.3) | (14.9) | (9.2)
Options lapsed during the year | (3.9) | (3.6) | 0.0
Options outstanding at the end of December | 75.8 | 83.2 | 102.7

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- Definition The number of share options outstanding in a share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2023-01-01 -Paragraph 45 -Subparagraph d -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2023-en-r&anchor=para_45_d&doctype=Standard -URIDate 2023-03-23 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2023-01-01 -Paragraph 45 -Subparagraph b -Clause i -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2023-en-r&anchor=para_45_b_i&doctype=Standard -URIDate 2023-03-23 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2023-01-01 -Paragraph 45 -Subparagraph b -Clause vi -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2023-en-r&anchor=para_45_b_vi&doctype=Standard -URIDate 2023-03-23 + Details
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