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Corporate Information - Additional Information (Detail)
$ in Millions
 6 Months Ended
Jun. 30, 2020
USD ($)
Employees
Country
Brand
Jun. 30, 2019
USD ($)
Disclosure Of Corporate Information [line items]    
Revenue $ 21,298 $ 25,823 [1]
Anheuser-Busch in Bev SA/NV [member]    
Disclosure Of Corporate Information [line items]    
Number of employees | Employees 170,000  
Number of countries where the entity operates | Country 50  
Revenue   $ 523,000
Anheuser-Busch in Bev SA/NV [member] | Bottom of range [member]    
Disclosure Of Corporate Information [line items]    
Number of beer brand | Brand 500  
Brewing heritage periods 600 years  
[1] The unaudited condensed consolidated interim income statement for the six-month period ended 30 June 2019 has been restated to reflect the classification of the Australian operations as discontinued operations.