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Investment in Associates - Summarized Financial Information to Carrying Amount of Company's Interests in Material Associates (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
AB InBev Efes [member]
Disclosure of associates [line items]
Beginning balance	$ 1,135	$ 1,132
Share of results of associates	7	3
Ending balance	1,143	1,135
Castel [member]
Disclosure of associates [line items]
Beginning balance	3,566	3,239
Effect of movements in foreign exchange	(246)	270
Dividends received	(36)	(19)
Share of results of associates	116	76
Ending balance	3,400	3,566
Efes [member]
Disclosure of associates [line items]
Beginning balance	391	451
Effect of movements in foreign exchange	(159)	(92)
Dividends received	(67)
Share of results of associates	35	32
Ending balance	$ 201	$ 391

X

- Definition

Effect of movements in foreign exchange.

+ References

No definition available.

+ Details

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- Definition

Share of results of associates.

+ References

No definition available.

+ Details

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X

- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.

+ References

No definition available.

+ Details

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X

- Definition

The amount of dividends received.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 12
-IssueDate 2021-01-01
-Paragraph B12
-Subparagraph a
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2021-en-r&anchor=para_B12_a&doctype=Appendix&subtype=B
-URIDate 2021-03-24

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X

- Definition

The amount of investments in associates in an entity's separate financial statements. [Refer: Associates [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 27
-IssueDate 2021-01-01
-Paragraph 10
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=27&code=ifrs-tx-2021-en-r&anchor=para_10&doctype=Standard
-URIDate 2021-03-24

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