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Share-Based Payments - Ambev Share-Based Payment Programs - Additional Information (Detail) $ in Millions	6 Months Ended
	Jun. 30, 2020 USD ($)	Jun. 30, 2019 USD ($)
Restricted Stock Units [member]
Disclosure of terms and conditions of share-based payment arrangement [line items]
Share-based compensation grant date fair value	$ 2	$ 52
Restricted Stock Units [member] | Ambev [member]
Disclosure of terms and conditions of share-based payment arrangement [line items]
Share-based compensation number of shares issued	1,600,000	3,800,000
Share-based compensation grant date fair value	$ 6	$ 15
Long Term Incentive Stock Option Plan [member] | Ambev [member]
Disclosure of terms and conditions of share-based payment arrangement [line items]
Share-based compensation number of shares issued	0	1,400,000
Share-based compensation grant date fair value		$ 2

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- Definition

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

+ References

No definition available.

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- 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
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-IssueDate 2019-01-01
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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
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- 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
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-URIDate 2019-03-27

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