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Share-Based Payments - Additional Information (Detail)
shares in Millions, $ in Millions
12 Months Ended
Dec. 31, 2023
USD ($)
shares
Dec. 31, 2022
USD ($)
shares
Dec. 31, 2021
USD ($)
shares
Disclosure of terms and conditions of share-based payment arrangement [line items]      
Share-based payment transactions expense | $ $ 570 $ 448 $ 510
Percentage of discount on market price of share for share based payments 20.00%    
Share-based compensation number of shares issued | shares 1,984.0 1,981.0 1,972.0
The Zenzele Kabili scheme [member]      
Disclosure of terms and conditions of share-based payment arrangement [line items]      
Share-based payment transactions expense | $     $ 72
AB inBev [member]      
Disclosure of terms and conditions of share-based payment arrangement [line items]      
Lock up Period for first half of bonus shares 3 years    
Restricted Stock Units [member]      
Disclosure of terms and conditions of share-based payment arrangement [line items]      
Share-based compensation number of shares issued | shares 1.7 4.8  
Share-based compensation grant date fair value | $ $ 102 $ 293  
Restricted Stock Units [member] | Bottom of range [member]      
Disclosure of terms and conditions of share-based payment arrangement [line items]      
Share based payment vesting period first half 3 years    
Restricted Stock Units [member] | Top of range [member]      
Disclosure of terms and conditions of share-based payment arrangement [line items]      
Share based payment vesting period first half 5 years    
Restricted Stock Units [member] | AB inBev [member]      
Disclosure of terms and conditions of share-based payment arrangement [line items]      
Stock options granted | shares 0.1 0.1  
Fair value of stock options granted | $ $ 4 $ 4  
Discretionary Restricted Stock Units Plan [Member] | Budweiser APAC [Member]      
Disclosure of terms and conditions of share-based payment arrangement [line items]      
Number of other equity instruments granted in share-based payment arrangement | shares 0.0 0.0  
New Restricted Stock Units Plan [Member] | Bottom of range [member] | Budweiser APAC [Member] | Performance Test [Member]      
Disclosure of terms and conditions of share-based payment arrangement [line items]      
Share based compensation by share based award vesting term 3 years    
New Restricted Stock Units Plan [Member] | Top of range [member] | Budweiser APAC [Member] | Performance Test [Member]      
Disclosure of terms and conditions of share-based payment arrangement [line items]      
Share based compensation by share based award vesting term 5 years    
People bet plan [member] | Budweiser APAC [Member]      
Disclosure of terms and conditions of share-based payment arrangement [line items]      
Share-based compensation grant date fair value | $ $ 0 $ 2  
Number of other equity instruments granted in share-based payment arrangement | shares   0.5