Acquisitions and Disposals of Subsidiaries - Additional Information (Detail) - AB inBev [member] - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017
Disclosure of acquisitions and disposals [line items]
Derecognized net assets	$ 573
OCI reclassified to consolidated income statement	584
Non-cash loss	$ 7
AB InBev Efes [member]
Disclosure of acquisitions and disposals [line items]
Ownership interest	50.00%
Non-controlling interest	50.00%
Investment hold in non-controlling interest	50.00%
Acquisition and disposal measured at estimated fair value	$ 1,150
Keurig green mountain incorporated [member]
Disclosure of acquisitions and disposals [line items]
Percentage of voting interest held in joint venture		70.00%
Percentage of economic interest held in joint venture		70.00%

Net assets derecognised due to business acquisition or merger

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Disclosure of acquisitions and disposals.

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- Definition

Non-cash loss Due To Business Acquisition Or Merger

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Other comprehensive income reclassified to profit or loss due to the business acquisition or merger

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- Definition

Proportion of economic rights held in joint venture.

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- Definition

The fair value, at acquisition date, of the consideration transferred in a business combination. [Refer: Business combinations [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
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-IssueDate 2018-01-01
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The proportion of ownership interest in an associate attributable to the entity. [Refer: Associates [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 27
-IssueDate 2018-01-01
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The proportion of ownership interests in a subsidiary held by non-controlling interests. [Refer: Subsidiaries [member]; Non-controlling interests]

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-Name IFRS
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- Definition

The proportion of the voting rights in a subsidiary held by non-controlling interests. [Refer: Subsidiaries [member]; Non-controlling interests]

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
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The proportion of the voting rights in a joint venture held by the entity. [Refer: Joint ventures [member]]

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