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Trade Receivable, Net - Summary of Changes in Allowance for Expected Credit Losses (Detail) - MXN ($)
$ in Millions
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Reconciliation of changes in allowance account for credit losses of financial assets [abstract]      
Balance at the beginning of the year $ 538 $ 531 $ 515
Allowance for the year 29 14 35
Charges and write-offs of uncollectible accounts 23 38 6
Effects of changes in foreign exchange rates (13) (45) (25)
Balance at the end of the year $ 577 $ 538 $ 531