XML 209 R196.htm IDEA: XBRL DOCUMENT
v3.22.0.1

Events after the balance sheet date - Summary of exercising option to redeem outstanding principal amount (Detail) - Event After Reporting Date [Member] $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 USD ($)
3.650% Notes due 2026 |
Disclosure Of Exercising Option To Redeem Outstanding Principal Amount [Line Items] |
Date of redemption | Feb. 09, 2022
Issuer | ABIFI
Title of series of notes issued redeemed | 3.650% Notes due 2026
Currency | USD
Original principal amount outstanding | $ 1,633
Principal amount redeemed | $ 1,633
4.915% Notes due 2046 |
Disclosure Of Exercising Option To Redeem Outstanding Principal Amount [Line Items] |
Date of redemption | Mar. 01, 2022
Issuer | ABIFI
Title of series of notes issued redeemed | 4.915% Notes due 2046
Currency | USD
Original principal amount outstanding | $ 1,470
Principal amount redeemed | $ 1,470

X
- Definition Disclosure Of Exercising Option To Redeem Outstanding Principal Amount. + References No definition available. + Details
Name: | bud_DisclosureOfExercisingOptionToRedeemOutstandingPrincipalAmountLineItems
Namespace Prefix: | bud_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Notes Issuer. + References No definition available. + Details
Name: | bud_NotesIssuer
Namespace Prefix: | bud_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Notes Redemption Date. + References No definition available. + Details
Name: | bud_NotesRedemptionDate
Namespace Prefix: | bud_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition Principal amount redeemed. + References No definition available. + Details
Name: | bud_PrincipalAmountRedeemed
Namespace Prefix: | bud_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Title of series of notes issued redeemed. + References No definition available. + Details
Name: | bud_TitleOfSeriesOfNotesIssuedRedeemed
Namespace Prefix: | bud_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of outstanding funds that the entity is obligated to repay. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_55&doctype=Standard -URIDate 2021-03-24 + Details
Name: | ifrs-full_Borrowings
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The currency in which the borrowings are denominated. [Refer: Borrowings] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IFRS -Number 7 -IssueDate 2021-01-01 -Paragraph 7 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_7&doctype=Standard -URIDate 2021-03-24 + Details
Name: | ifrs-full_BorrowingsOriginalCurrency
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | ifrs-full_BorrowingsByNameAxis=bud_OnePointFiveZeroPercentNotesDueTwoZeroTwoFiveMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | ifrs-full_BorrowingsByNameAxis=bud_ThreePointSevenFiveZeroPercentNotesDueTwoZeroTwoFourMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |