v3.26.1
Fair Value Measurements - Summary of Employee Benefit Plan Investment in Plan Assets (Detail) - EBP 059 - USD ($)
$ in Thousands
Dec. 31, 2025
Dec. 31, 2024
EBP, Investment, Fair Value and NAV [Line Items]    
Investments In The Fair Value Hierarchy $ 3,978,331 $ 3,566,057
Level 1    
EBP, Investment, Fair Value and NAV [Line Items]    
Investments In The Fair Value Hierarchy 743,519 648,978
Level 2    
EBP, Investment, Fair Value and NAV [Line Items]    
Investments In The Fair Value Hierarchy 3,234,812 2,917,079
Level 3    
EBP, Investment, Fair Value and NAV [Line Items]    
Investments In The Fair Value Hierarchy 0 0
Collective trust funds    
EBP, Investment, Fair Value and NAV [Line Items]    
Investments In The Fair Value Hierarchy 3,234,812 2,917,079
Collective trust funds | Level 1    
EBP, Investment, Fair Value and NAV [Line Items]    
Investments In The Fair Value Hierarchy 0 0
Collective trust funds | Level 2    
EBP, Investment, Fair Value and NAV [Line Items]    
Investments In The Fair Value Hierarchy 3,234,812 2,917,079
Collective trust funds | Level 3    
EBP, Investment, Fair Value and NAV [Line Items]    
Investments In The Fair Value Hierarchy 0 0
Registered investment companies    
EBP, Investment, Fair Value and NAV [Line Items]    
Investments In The Fair Value Hierarchy 668,888 586,605
Registered investment companies | Level 1    
EBP, Investment, Fair Value and NAV [Line Items]    
Investments In The Fair Value Hierarchy 668,888 586,605
Registered investment companies | Level 2    
EBP, Investment, Fair Value and NAV [Line Items]    
Investments In The Fair Value Hierarchy 0 0
Registered investment companies | Level 3    
EBP, Investment, Fair Value and NAV [Line Items]    
Investments In The Fair Value Hierarchy 0 0
A-B InBev Company ADR fund    
EBP, Investment, Fair Value and NAV [Line Items]    
Investments In The Fair Value Hierarchy 74,631 62,373
A-B InBev Company ADR fund | Level 1    
EBP, Investment, Fair Value and NAV [Line Items]    
Investments In The Fair Value Hierarchy 74,631 62,373
A-B InBev Company ADR fund | Level 2    
EBP, Investment, Fair Value and NAV [Line Items]    
Investments In The Fair Value Hierarchy 0 0
A-B InBev Company ADR fund | Level 3    
EBP, Investment, Fair Value and NAV [Line Items]    
Investments In The Fair Value Hierarchy $ 0 $ 0