XML 171 R158.htm IDEA: XBRL DOCUMENT
v3.22.0.1

Share-Based Payments - Bud Apac Share-Based Compaensation Program (Detail) shares in Millions, Unit_pure in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 USD ($) shares | Dec. 31, 2020 USD ($) shares | Dec. 31, 2019 USD ($)
Disclosure Of Share Based Compaensation Program [Line Items] |  |  |
Fair value of options granted | $ 0 | $ 7.54 | $ 11.79
Long Term Incentive Stock Option Plan [member] |  |  |
Disclosure Of Share Based Compaensation Program [Line Items] |  |  |
Number of shares granted | shares | 0.0 | 38.1 |
Restricted Stock Units [member] |  |  |
Disclosure Of Share Based Compaensation Program [Line Items] |  |  |
Share-based compensation grant date fair value | 3.9 | 10.9 | 5.5
Share-based compensation grant date fair value | $ 9,000,000 | $ 9,000,000 |
Budweiser APAC [Member] | Long Term Incentive Stock Option Plan [member] |  |  |
Disclosure Of Share Based Compaensation Program [Line Items] |  |  |
Number of shares granted | 0.0 | 69.7 |
Fair value of options granted |  | $ 52,000,000 |
Budweiser APAC [Member] | Restricted Stock Units [member] |  |  |
Disclosure Of Share Based Compaensation Program [Line Items] |  |  |
Share-based compensation grant date fair value | shares | 0.0 | 29.7 |
Share-based compensation grant date fair value |  | $ 84,000,000 |
Budweiser APAC [Member] | Share-Based Compensation Plan [member] |  |  |
Disclosure Of Share Based Compaensation Program [Line Items] |  |  |
Share-based compensation grant date fair value | 0.1 | 0.2 |
Share-based compensation grant date fair value | $ 1,000,000 | $ 1,000,000 |
Budweiser APAC [Member] | People bet plan [member] |  |  |
Disclosure Of Share Based Compaensation Program [Line Items] |  |  |
Share-based compensation grant date fair value | shares | 0.0 | 0.6 |
Share-based compensation grant date fair value |  | $ 2,000,000 |
Budweiser APAC [Member] | New Restricted Stock Units Plan [member] |  |  |
Disclosure Of Share Based Compaensation Program [Line Items] |  |  |
Share-based compensation grant date fair value | shares | 10.0 | 6.8 |
Share-based compensation grant date fair value | $ 26,000,000 | $ 23,000,000 |

X
- Definition Disclosure Of Share Based Compaensation Program. + References No definition available. + Details
Name: | bud_DisclosureOfShareBasedCompaensationProgramLineItems
Namespace Prefix: | bud_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of other equity instruments (ie other than share options) granted in a share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2021-01-01 -Paragraph 47 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2021-en-r&anchor=para_47_b&doctype=Standard -URIDate 2021-03-24 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Name IFRS -Number 2 -IssueDate 2021-01-01 -Paragraph 45 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2021-en-r&anchor=para_45&doctype=Standard -URIDate 2021-03-24 + Details
Name: | ifrs-full_NumberOfInstrumentsOtherEquityInstrumentsGranted
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of share options granted in a share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2021-01-01 -Paragraph 45 -Subparagraph b -Clause ii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2021-en-r&anchor=para_45_b_ii&doctype=Standard -URIDate 2021-03-24 + Details
Name: | ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | duration

X
- Definition The weighted average fair value at the measurement date of granted equity instruments other than share options. [Refer: Weighted average [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2021-01-01 -Paragraph 47 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2021-en-r&anchor=para_47_b&doctype=Standard -URIDate 2021-03-24 + Details
Name: | ifrs-full_WeightedAverageFairValueAtMeasurementDateOtherEquityInstrumentsGranted
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The weighted average fair value of share options granted during the period at the measurement date. [Refer: Weighted average [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2021-01-01 -Paragraph 47 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2021-en-r&anchor=para_47_a&doctype=Standard -URIDate 2021-03-24 + Details
Name: | ifrs-full_WeightedAverageFairValueAtMeasurementDateShareOptionsGranted
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=bud_LongTermIncentiveStockOptionPlanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=bud_RestrictedStockUnitsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=bud_BudweiserApacMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=bud_ShareBasedCompensationPlanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=bud_PeopleBetPlanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=bud_NewRestrictedStockUnitsPlanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |