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Contingencies - Additional Information (Detail) € in Millions, R$ in Millions, $ in Millions, ر.س in Billions, Tsh in Billions, R in Billions, $ in Billions |  |  | 12 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Jan. 31, 2024 | Nov. 30, 2023 | Dec. 31, 2023 USD ($) | Dec. 31, 2023 BRL (R$) | Dec. 31, 2023 TZS (Tsh) | Dec. 31, 2023 SAR (ر.س) | Dec. 31, 2023 AUD ($) | Dec. 31, 2023 ZAR (R) | Dec. 31, 2023 EUR (€) | Sep. 20, 2023 USD ($) | Sep. 20, 2023 BRL (R$) | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Jan. 24, 2019 USD ($) | Jan. 24, 2019 EUR (€)
Disclosure of detailed information about material tax [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exposure to credit risk |  |  | $ 17,116 |  |  |  |  |  |  |  |  | $ 16,019 |  |  |
Provisions recorded |  |  | 589 |  |  |  |  |  |  |  |  | $ 572 | $ 605 |  |
Eligible amount under tax incentive schemes |  |  | 500 | R$ 2,600 |  |  |  |  |  |  |  |  |  |  |
Tax methodology difference between tax authority and entity |  |  | 5 | 20 |  |  |  |  |  |  |  |  |  |  |
Legal proceedings provision |  |  | 0 |  |  |  |  |  |  |  |  |  |  |  |
Tax Loss Offset [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about material tax [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Estimate of possible loss |  |  | 100 | 200 |  |  |  |  |  |  |  |  |  |  |
Disallowance Of Tax Paid Abroad [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about material tax [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Estimate of possible loss |  |  | 2,900 | 14,300 |  |  |  |  |  |  |  |  |  |  |
Deductibility Of IOC Expenses [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about material tax [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Estimate of possible loss |  |  | 5,700 | 27,400 |  |  |  |  |  |  |  |  |  |  |
AB INBEVS SOUTH AFRICA TAX MATTERS [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about material tax [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Additional liability towards taxes and interest one |  |  | 1,000 |  |  |  | $ 17.7 |  |  |  |  |  |  |  |
Contingent liabilities |  |  | 300 |  |  | ر.س 6.4 |  |  |  |  |  |  |  |  |
Ambev [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about material tax [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingency, Estimate of Possible Loss |  |  |  |  |  |  |  |  |  | $ 1,400 | R$ 6,900 |  |  |  |
Percentage reduction in the amount of damages sought as initially charged |  | 150.00% |  |  |  |  |  |  |  |  |  |  |  |  |
Ambev [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about material tax [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Estimate of possible loss |  |  | $ 1,300 | 6,300 |  |  |  |  |  |  |  |  |  |  |
Percentage reduction in the amount of damages sought | 98.00% | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |
Proportion of ownership interest in subsidiary |  |  | 61.76% |  |  |  |  |  |  |  |  |  |  |  |
Ambev [member] | IPI excise tax [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about material tax [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Estimate of possible loss |  |  | $ 400 | 1,800 |  |  |  |  |  |  |  |  |  |  |
Arosuco [member] | Disallowance Of Tax Paid Abroad [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about material tax [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Estimate of possible loss |  |  | $ 500 | 2,600 |  |  |  |  |  |  |  |  |  |  |
Cerbuco Brewing Inc [Member] | Cerveceria Bucanero S.A [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about material tax [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proportion of ownership interest in subsidiary |  |  | 50.00% |  |  |  |  |  |  |  |  |  |  |  |
Tax Assessment During 2005 [member] | Foreign subsidiaries [member] | In Bev Holding Brasil SA [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about material tax [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exposure to credit risk |  |  | $ 1,300 | 6,100 |  |  |  |  |  |  |  |  |  |  |
Tax Assessment During 2005 [member] | Ambev [member] | Foreign subsidiaries [member] | In Bev Holding Brasil SA [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about material tax [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Estimate of possible loss |  |  | 100 | 300 |  |  |  |  |  |  |  |  |  |  |
Tax Assessment in December 2011 [member] | Ambev [member] | In Bev Holding Brasil SA [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about material tax [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Estimate of possible loss |  |  | 200 | 1,200 |  |  |  |  |  |  |  |  |  |  |
Tax Assessment in December 2011 [member] | Ambev [member] | CERVECERIA NACIONAL DOMINICANA S.A. [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about material tax [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Estimate of possible loss |  |  | 300 | 1,400 |  |  |  |  |  |  |  |  |  |  |
Tax assessment in October 2013 [member] | Ambev [member] | In Bev Holding Brasil SA [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about material tax [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Estimate of possible loss |  |  | 1,300 | 6,500 |  |  |  |  |  |  |  |  |  |  |
Tax assessment in October 2013 [member] | Ambev [member] | Beverage Associates Holding Limited [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about material tax [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Estimate of possible loss |  |  | 300 | 1,400 |  |  |  |  |  |  |  |  |  |  |
Tax Assessment in December 2015 [member] | Ambev [member] | Integration program social security financing levy [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about material tax [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Estimate of possible loss |  |  | 400 | 1,800 |  |  |  |  |  |  |  |  |  |  |
Tax Assessment in December [Member] | Ambev [member] | MAG [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about material tax [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Estimate of possible loss |  |  | 100 | 300 |  |  |  |  |  |  |  |  |  |  |
Rio de Janeiro [member] | Arosuco [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about material tax [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Estimate of possible loss |  |  | $ 100 | R$ 600 |  |  |  |  |  |  |  |  |  |  |
Tanzania [member] | TANZANIA BREWERIES PLC [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about material tax [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proportion of ownership interest in subsidiary |  |  | 39.65% |  |  |  |  |  |  |  |  |  |  |  |
Tanzania [member] | Tax contingent liability [member] | TANZANIA BREWERIES PLC [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about material tax [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Estimated financial effect of contingent liabilities |  |  | $ 300 |  | Tsh 850 |  |  |  |  |  |  |  |  |  |
Tax asessment noticed on ownership change |  |  | 50.00% | 50.00% | 50.00% | 50.00% | 50.00% | 50.00% | 50.00% |  |  |  |  |  |
SOUTH AFRICA | THE SOUTH AFRICAN BREWERIES (PTY) LTD [member] | AB INBEVS SOUTH AFRICA TAX MATTERS [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about material tax [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Estimated financial effect of contingent liabilities |  |  | $ 500 |  |  |  |  | R 8.9 |  |  |  |  |  |  |
ICMS-ST Trigger [member] | Ambev [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about material tax [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Estimate of possible loss |  |  | 2,200 | R$ 10,700 |  |  |  |  |  |  |  |  |  |  |
ICMS Tax Credits For Rio Grande do Sul and Sao Paulo [Member] | Tax Assessment in 2018 and 2021 [member] | Ambev [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about material tax [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Estimate of possible loss |  |  | 200 | 800 |  |  |  |  |  |  |  |  |  |  |
ICMS Tax Credits For Sao Paulo, Rio de Janeiro and Minas Gerais [Member] | Ambev [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about material tax [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Estimate of possible loss |  |  | 100 | R$ 500 |  |  |  |  |  |  |  |  |  |  |
Blocked account [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about material tax [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Provisions recorded |  |  | $ 75 |  |  |  |  |  | € 68 |  |  |  |  |  |
Deposits |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 75 | € 68

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