XML 151 R140.htm IDEA: XBRL DOCUMENT
v3.20.2

Events After the Balance Sheet Date - Additional Information (Detail) $ in Billions | Jul. 07, 2020 USD ($)
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Event After Reporting Date [member] |
Disclosure of non-adjusting events after reporting period [line items] |
Notes repurchased value | $ 30

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- Definition Notes Repurchased Value. + References No definition available. + Details
Name: | bud_NotesRepurchasedValue
Namespace Prefix: | bud_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. + References No definition available. + Details
Name: | ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | ifrs-full_NonadjustingEventsAfterReportingPeriodAxis=bud_EventAfterReportingDateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |