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, 2025 |
Dec. 31, 2024 |
|
| Disclosure of detailed information about material tax [line items] | ||
| Income tax and social contribution | $ 13,122 | $ 10,525 |
| Value-added and excise taxes | 5,236 | 4,544 |
| Other taxes | 691 | 622 |
| Material tax net | $ 19,049 | $ 15,691 |