v3.26.1
Trade Accounts Receivable, Net - Changes in Allowance for Expected Credit Losses (Details) - Trade receivables - MXN ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Increase (decrease) in financial assets [abstract]      
Balance at the beginning of the period $ 2,979 $ 2,535 $ 2,238
Allowance for the period 1,238 1,176 1,367
Write-offs of uncollectible accounts (768) (831) (557)
Addition from business combinations 0 69 3
Effects of changes in foreign exchange rates (110) 99 (26)
Disposal of businesses 88    
Disposal of businesses   (69) (490)
Balance at the end of the period $ 3,427 $ 2,979 $ 2,535