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Inventories - Changes in Inventories (Details) - MXN ($)
$ in Millions
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Inventories [Abstract]      
Changes in inventories of finished goods and work in process $ 317,608 $ 286,346 $ 234,174
Raw materials and consumables used 126,040 115,542 84,984
Total $ 443,648 $ 401,888 $ 319,158