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Segment Reporting - Additional Information (Detail)
$ in Millions
 12 Months Ended
Dec. 31, 2021
USD ($)
Segments
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Disclosure of operating segments [line items]      
Number of business segment | Segments 6    
Net revenue $ 54,304 $ 46,881 $ 52,329
Non current Assets 193,678 199,891  
Belgium [member]      
Disclosure of operating segments [line items]      
Net revenue 623 501 668
Non current Assets 2,457 2,496 2,215
United States [member]      
Disclosure of operating segments [line items]      
Net revenue 14,259 13,815 13,693
Brazil [Member]      
Disclosure of operating segments [line items]      
Net revenue 6,500 5,868 7,277
Beer business [member]      
Disclosure of operating segments [line items]      
Net revenue 49,333 43,044 47,984
Non-beer business [member]      
Disclosure of operating segments [line items]      
Net revenue $ 4,971 $ 3,837 $ 4,345