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Income Taxes - Summary of Deferred Tax Expense (Benefit) Related to Items Recognized in OCI (Detail) - MXN ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Major components of tax expense (income) [abstract] |  |  |
Remeasurement of defined benefit plans | $ (975,061) | $ 2,651,922 | $ (4,760,089)
Equity investments at fair value | 2,836,366 | 8,364,109 | 583,892
Other | 0 | (30,336) | 0
Deferred tax benefit recognized in OCI | $ 1,861,305 | $ 10,985,695 | $ (4,176,197)

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- Definition Deferred tax relating to equity investments at fair value on other comprehensive income. + References No definition available. + Details
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- Definition Deferred tax relating to remeasurements of defined benefit plans reserve of other comprehensive income. + References No definition available. + Details
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