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Exceptional Items - Additional Information (Detail) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Disclosure of Exceptional Items [line items] |  |  |  |  |  |
Exceptional restructuring charges |  | $ (142) | $ (110) | [1] | $ (172) | [1]
Business and asset disposal |  | (385) | (71) | [1] | (247) | [1]
NET finance (cost) income |  | (69) | 829 |  | (829) |
Decrease of income taxes |  | 84 | 399 |  | 346 |
Non-controlling interest on the exceptional items |  | 30 | 13 |  | 20 |
COVID-19 Costs incurred on account of unforeseen events | [1] |  | (18) |  | (105) |
Zenzele Kabili costs | [1] |  |  |  | (72) |
Exception non cash imapirment charge investment in joint ventures |  |  |  |  | (258) |
Exceptional Legal Costs |  | (19) |  |  |  |
Exceptional customs audit claim |  | (66) |  |  |  |
Exceptional Claims and Legal Costs |  | (85) |  |  |  |
Impairment on investment |  |  | (1,143) |  |  |
AB InBev Efes related costs |  | (12) | (51) | [1] |  |
Utilization of current year and carry forward interests for which no deferred tax asset was recognized |  |  | $ (350) |  |  |
Tilray Brands, Inc [Member] |  |  |  |  |  |
Disclosure of Exceptional Items [line items] |  |  |  |  |  |
Business and asset disposal |  | $ (300) |  |  |  |
Zenzele Kabili scheme [Member] |  |  |  |  |  |
Disclosure of Exceptional Items [line items] |  |  |  |  |  |
Zenzele Kabili costs |  |  |  |  | $ (72) |
[1] | As from 1 January 2023, mark-to-market gains/(losses) on derivatives related to the hedging of the share-based payment programs are reported in the exceptional net finance income/(cost). The 2022 and 2021 presentation were amended to conform to the 2023 presentation.

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- Definition Costs incurred on account of crisis on employees and other expenses. + References No definition available. + Details
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Namespace Prefix: | bud_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Decrease in income tax due to exceptional items + References No definition available. + Details
Name: | bud_DecreaseInIncomeTaxDueToExceptionalItems
Namespace Prefix: | bud_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Disclosure of exceptional items. + References No definition available. + Details
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Namespace Prefix: | bud_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Efes Costs Related To Parent Company. + References No definition available. + Details
Name: | bud_EfesCostsRelatedToParentCompany
Namespace Prefix: | bud_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Exception non cash imapirment charge investment in joint ventures. + References No definition available. + Details
Name: | bud_ExceptionNonCashImapirmentChargeInvestmentInJointVentures
Namespace Prefix: | bud_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Exceptional Claims and legal costs. + References No definition available. + Details
Name: | bud_ExceptionalClaimsAndLegalCosts
Namespace Prefix: | bud_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Exceptional customs audit claim. + References No definition available. + Details
Name: | bud_ExceptionalCustomsAuditClaim
Namespace Prefix: | bud_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Exceptional gain loss on business and asset disposal. + References No definition available. + Details
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Namespace Prefix: | bud_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Exceptional items included in noncontrolling interests. + References No definition available. + Details
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Namespace Prefix: | bud_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Exceptional legal costs. + References No definition available. + Details
Name: | bud_ExceptionalLegalCosts
Namespace Prefix: | bud_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Exceptional restructuring charges. + References No definition available. + Details
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Namespace Prefix: | bud_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition NET finance (Cost) Income + References No definition available. + Details
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Namespace Prefix: | bud_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Utilization of current year and carry forward interests for which no deferred tax asset was recognized. + References No definition available. + Details
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Namespace Prefix: | bud_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Zenzele kabili costs. + References No definition available. + Details
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Namespace Prefix: | bud_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition The amount of impairment loss recognised in profit or loss for investment property. [Refer: Impairment loss recognised in profit or loss; Investment property] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 40 -IssueDate 2023-01-01 -Paragraph 76 -Subparagraph g -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=40&code=ifrs-tx-2023-en-r&anchor=para_76_g&doctype=Standard -URIDate 2023-03-23 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 40 -IssueDate 2023-01-01 -Paragraph 79 -Subparagraph d -Clause v -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=40&code=ifrs-tx-2023-en-r&anchor=para_79_d_v&doctype=Standard -URIDate 2023-03-23 + Details
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Period Type: | duration

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

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