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Income Taxes - Summary of Tax Losses Carryforwards and their Years of Expiration (Detail)
$ in Millions
Dec. 31, 2023
MXN ($)
Major components of tax expense (income) [abstract]  
2029 $ 2,702
2030 3,172
2031 157
2032 597
2033 and thereafter 5
No expiration (Brazil and Colombia) 10,924
Tax losses carryforward $ 17,557