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Share-Based Payments - Ambev Share-Based Payment Programs - Additional Information (Detail) $ / shares in Units, shares in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2021 USD ($) shares $ / shares | Dec. 31, 2021 USD ($) shares $ / shares R$ / shares | Dec. 31, 2020 USD ($) shares | Dec. 31, 2019 USD ($) | Dec. 31, 2021 R$ / shares
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |
Stock options grant date fair value | $ | $ 0 | $ 0 | $ 7.54 | $ 11.79 |
Options outstanding | 113,800 | 113,800 |  |  |
Options vested | 59,300 | 59,300 |  |  |
Phantom shares lock up period A | five years |  |  |  |
Phantom shares lock up period B | ten years |  |  |  |
Ambev [member] |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |
Weighted average remaining contractual life of options and warrants | 6 years 8 months 12 days |  |  |  |
Weighted average share price at the date of exercise | (per share) | $ 3.2 | $ 17.87 |  |  |
Number of shares exchanged | 3 |  | 100 |  |
Discount on exchange | 16.66% |  |  |  |
Fair value of the transaction | $ | $ 1,000,000 |  | $ 1,000,000 |  |
Share based program service period | 5 years |  |  |  |
Description of the fair value measured | The fair values of the Ambev and AB InBev shares were determined based on the market price. |  |  |  |
Ambev [member] | Bottom of range [member] |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |
Exercise price of outstanding options and warrants | (per share) | $ 2.86 | $ 2.86 |  |  | R$ 15.95
Ambev [member] | Top of range [member] |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |
Exercise price of outstanding options and warrants | (per share) | $ 8.24 | $ 8.24 |  |  | R$ 45.97
Restricted Stock Units [member] |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |
Share-based compensation number of shares issued | 3,900,000 |  | 10,900,000 | 5,500,000 |
Share-based compensation grant date fair value | $ | $ 9,000,000 | $ 9,000,000 | $ 9,000,000 |  |
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 | 20,600 |  | 21,100 |  |
Share-based compensation grant date fair value | $ | $ 61,000,000 | 61,000,000 | $ 61,000,000 |  |
Long Term Incentive Stock Option Plan [member] |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |
Stock options granted | 0 |  | 38,100 |  |
Long Term Incentive Stock Option Plan [member] | Ambev [member] |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |
Stock options granted | 0 |  | 22 |  |
Stock options grant date fair value | $ |  |  | $ 1,000,000 |  |
Deferred stock unit plan [member] | Ambev [member] |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |
Share-based compensation number of shares issued | 100 |  | 200 |  |
Share-based compensation grant date fair value | $ | $ 1,000,000 | $ 1,000,000 | $ 1,000,000 |  |

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