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Exceptional Items - Additional Information (Detail) - USD ($) $ in Millions |  |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
May 31, 2021 | Jun. 01, 2020 | Jun. 30, 2020 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Disclosure of Exceptional Items [line items] |  |  |  |  |  |
Exceptional restructuring charges |  |  |  | $ (172) | $ (157) | $ (170)
Acquisition costs business combinations |  |  |  | (17) | (25) | (23)
Business and asset disposal |  |  |  | (247) | (239) | (50)
NET finance (cost) income |  |  |  | (806) | (1,738) | 882
Decrease of income taxes |  |  |  | 346 | (155) | 6
Non-controlling interest on the exceptional items |  |  |  | 20 | 228 | 108
Impairment of goodwill |  |  | $ (2,500) |  | (2,500) |
COVID-19 Costs incurred on account of unforeseen events |  |  |  | (105) | (182) |
Disposal group discontinue operations gain loss on disposal of business |  | $ 1,919 |  |  |  |
Zenzele Kabili costs |  |  |  | (72) |  |
Exception non cash imapirment charge investment in joint ventures |  |  |  | $ (258) |  |
Carlton United Breweries [Member] |  |  |  |  |  |
Disclosure of Exceptional Items [line items] |  |  |  |  |  |
Disposal group discontinue operations gain loss on disposal of business |  | $ 1,919 |  |  | $ 1,919 |
Budweiser APAC [Member] |  |  |  |  |  |
Disclosure of Exceptional Items [line items] |  |  |  |  |  |
Fees related to the initial public offering of a minority stake of Budweiser APAC |  |  |  |  |  | (117)
Expenses relating to share issuance cost reported in the income statement |  |  |  |  |  | (6)
capitalization of share issuance cost in equity |  |  |  |  |  | (111)
Stamp Duties In Equity That Are Directly Attributable To The Public Offering |  |  |  |  |  | (58)
Brazilian State Tax Regularization Program [Member] |  |  |  |  |  |
Disclosure of Exceptional Items [line items] |  |  |  |  |  |
Payment related to Special Value-added Tax (ICMS) Amnesty Program |  |  |  |  |  | $ (74)
Zenzele Kabili costs | $ (72) |  |  |  |  |

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- Definition Exception non cash imapirment charge investment in joint ventures. + References No definition available. + Details
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- Definition Expenses relating to share issuance cost. + References No definition available. + Details
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- Definition Fees related to the initial public offering of a minority stake of budweiser APAC. + References No definition available. + Details
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- Definition The gain (loss) recognised on the measurement to fair value less costs to sell or on the disposal of the assets or disposal group(s) constituting the discontinued operation. [Refer: Discontinued operations [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 5 -IssueDate 2021-01-01 -Paragraph 33 -Subparagraph b -Clause iii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=5&code=ifrs-tx-2021-en-r&anchor=para_33_b_iii&doctype=Standard -URIDate 2021-03-24 + Details
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