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Investments in Associates - Additional Information (Detail) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Dec. 31, 2025
Disclosure of associates [line items]
Investment in associates	$ 5,061		$ 5,002
Exceptional share of results of associates		$ 9
Aggregated individually immaterial associates [member]
Disclosure of associates [line items]
Investment in associates	$ 74	$ 77
Cerveceria Bucanero S.A. [Member]
Disclosure of associates [line items]
Proportion of ownership interest in associate	50.00%

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- Definition

Exceptional share of results of associates.

+ References

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- 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.

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-Number 27
-IssueDate 2025-01-01
-Paragraph 10
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-URIDate 2025-03-27

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- Definition

The proportion of ownership interest in an associate attributable to the entity. [Refer: Total for all associates [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 27
-IssueDate 2025-01-01
-Paragraph 17
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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