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Other Operating Income/(Expenses) - Additional Information (Detail) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Disclosure of other operating income expense [abstract] |  |  |
Income from brazilian tax credits | $ 44 | $ 201 | $ 226
Income from interest on brazilian tax credits | $ 168 | $ 168 | $ 118

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- Definition Disclosure of other operating income expense. + 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 Income from brazilian tax credits. + References No definition available. + Details
Name: | bud_IncomeFromBrazilianTaxCredits
Namespace Prefix: | bud_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Income from interest on brazilian tax credits. + References No definition available. + Details
Name: | bud_IncomeFromInterestOnBrazilianTaxCredits
Namespace Prefix: | bud_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration