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Contingencies - Summary of Ab Inbev's Material Tax Proceedings Related to Ambev and Its Subsidiaries (Detail) - Ambev [member] - Legal proceedings contingent liability [member] - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Disclosure of detailed information about material tax [line items]    
Income tax and social contribution $ 13,141 $ 11,586
Value-added and excise taxes 5,528 4,965
Other taxes 953 854
Material tax net $ 19,622 $ 17,405