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Material Accounting Policies - Summary of Revenue from Contracts with Customers (Detail) - MXN ($)
$ in Millions
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Disclosure of disaggregation of revenue from contracts with customers [line items]      
Revenue from contracts with customers $ 245,088 $ 226,740 $ 194,804
Sale of products      
Disclosure of disaggregation of revenue from contracts with customers [line items]      
Revenue from contracts with customers 244,264 226,222 193,899
Services rendered      
Disclosure of disaggregation of revenue from contracts with customers [line items]      
Revenue from contracts with customers 23 15 321
Other operating revenues      
Disclosure of disaggregation of revenue from contracts with customers [line items]      
Revenue from contracts with customers $ 801 $ 503 $ 584