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Income Taxes - Summary of Reconciliation Between Tax Expense and Income Before Income Taxes (Detail) - MXN ($)
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Major components of tax expense (income) [abstract]      
Mexican statutory income tax rate 30.00% 30.00% 30.00%
Income tax from prior years (0.37%) 0.19% (0.64%)
Income (loss) on monetary position for subsidiaries in hyperinflationary economies 2.03% 1.18% (0.21%)
Annual inflation tax adjustment 2.08% 5.63% 6.48%
Non-deductible expenses 1.99% 2.17% 1.82%
Income taxed at a rate other than the Mexican statutory rate 1.49% 1.68% 1.14%
Effect of restatement of tax values (3.50%) (4.69%) (2.54%)
Effect of change in statutory rate (0.60%) (0.39%) (0.09%)
Income tax credits 0.00% 0.00% (2.69%)
Tax loss (1.40%) (8.50%) (3.57%)
Other (1.22%) (1.89%) (0.78%)
Total 30.50% 25.38% 28.92%
Deferred income tax asset $ 409,000,000 $ 2,194,000,000 $ 761,000,000