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Non-Controlling Interest in Consolidated Subsidiaries - Summary of Analysis of FEMSAs Non-Controlling Interest in its Consolidated Subsidiaries (Detail) $ in Millions, $ in Millions | Jun. 30, 2019 MXN ($) | Jun. 30, 2019 USD ($) | [1],[2] | Dec. 31, 2018 MXN ($)
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Disclosure Of Non Controlling Interest In Consolidated Subsidiaries [line items] |  |  |  |
Non controlling interest | $ 77,258 | [1] | $ 4,022 | $ 78,489
Coca-Cola FEMSA [member] |  |  |  |
Disclosure Of Non Controlling Interest In Consolidated Subsidiaries [line items] |  |  |  |
Non controlling interest | 72,482 |  |  | 73,776
Other [Member] |  |  |  |
Disclosure Of Non Controlling Interest In Consolidated Subsidiaries [line items] |  |  |  |
Non controlling interest | $ 4,776 |  |  | $ 4,713
[1] | The Company initially adopted IFRS 16 at January 1st, 2019 using the modified retrospective method 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

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