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Taxes - Summary of Major Components of Income Tax Expense (Detail) $ in Millions, $ in Millions | 12 Months Ended
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Dec. 31, 2019 MXN ($) | Dec. 31, 2019 USD ($) | [1],[2] | Dec. 31, 2018 MXN ($) | Dec. 31, 2017 MXN ($)
Major components of tax expense (income) [abstract] |  |  |  |  |  |
Current tax expense | $ 11,652 |  |  | $ 10,480 | $ 18,592 |
Deferred tax expense (income): |  |  |  |  |  |
Origination and reversal of temporary differences | 127 |  |  | 491 | (7,546) |
(Recognition) of tax losses, net | (1,201) |  |  | (927) | (823) |
Change in the statutory rate | (102) |  |  | 125 | (10) |
Total deferred tax income expense (benefit) | (1,176) |  |  | (311) | (8,379) |
Total income taxes | $ 10,476 | [1] | $ 555 | $ 10,169 | $ 10,213 | [3]
[1] | The Company initially adopted IFRS 16 at January 1st, 2019 using the modified retrospectively approach under which the comparative information is not restated. – See Note 2.4.1
[2] | Convenience translation to U.S. dollars ($) – See Note 2.2.3
[3] | Revised to reflect the discontinued operations of Coca-Cola FEMSA Philippines – See Note 4.2.1

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