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Equity Accounted Investees - Schedule of Companys Share of Other comprehensive Income from Equity Investees, Net of Taxes (Detail) $ in Millions, $ in Millions | 12 Months Ended
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Dec. 31, 2019 MXN ($) | Dec. 31, 2019 USD ($) | [1] | Dec. 31, 2018 MXN ($) | Dec. 31, 2017 MXN ($)
Items that may be reclassified to consolidated net income: |  |  |  |  |
Total | $ 1,058 | $ 56 | $ (360) | $ (2,013) | [2]
Items that may not be reclassified to consolidated net income in subsequent periods: |  |  |  |  |
Remeasurements of the net defined benefit liability | (1,090) | $ (58) | 551 | (7) | [2]
Equity investments [member] |  |  |  |  |
Items that may be reclassified to consolidated net income: |  |  |  |  |
Valuation of the effective portion of derivative financial instruments |  |  | (355) | 252 |
Exchange differences on translating foreign operations | 1,058 |  | (5) | (2,265) |
Total | 1,058 |  | (360) | (2,013) |
Items that may not be reclassified to consolidated net income in subsequent periods: |  |  |  |  |
Remeasurements of the net defined benefit liability | $ (389) |  | $ 597 | $ 69 |
[1] | Convenience translation to U.S. dollars ($) – See Note 2.2.3
[2] | Revised to reflect the discontinued operations of Coca-Cola FEMSA Philippines – See Note 4.2.1

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- Definition The amount of other comprehensive income, net of tax, related to exchange differences when financial statements of foreign operations are translated. [Refer: Other comprehensive income] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2019-01-01 -Paragraph 91 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_91_a&doctype=Standard -URIDate 2019-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2019-01-01 -Paragraph 7 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_7&doctype=Standard -URIDate 2019-03-27 + Details
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