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v3.19.1

Investments in Other Entities - Additional Information (Detail) $ in Millions, $ in Millions |  | 12 Months Ended |
--- | --- | --- | ---
Jun. 25, 2017 MXN ($) | Dec. 31, 2018 MXN ($) | Dec. 31, 2018 USD ($) | Dec. 31, 2017 MXN ($) | Dec. 31, 2016 MXN ($) | Mar. 28, 2017 MXN ($)
Disclosure of associates and joint ventures [line items] |  |  |  |  |  |
Fair value loss on investment |  | $ (1,039) | $ (53) |  |  |
Percentage of equity interest |  | 0.00% | 0.00% |  |  |
Impairment of investments |  | $ 432 |  |  |  |
Equity method investee |  |  |  |  |  | $ 587
Investment in Associates and Joint Ventures [member] |  |  |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |  |  |
Spin-off in other entities capitalized |  | (333) |  |  |  |
Compania Panamena de Bebidas, S.A.P.I. de C.V. [member] |  |  |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |  |  |
Capital contribution |  |  |  | $ 349 |  |
Impairment of investments |  | 432 |  |  |  |
Joint ventures [member] |  |  |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |  |  |
Equity earnings (loss) recognized |  | (270) |  | (175) | $ 116 |
Leao Alimentos e Bebidas, LTDA [member] |  |  |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |  |  |
Percentage of participation sold | 3.05% |  |  |  |  |
Value of participation in joint venture sold | $ 198 |  |  |  |  |
Promotora Industrial Azucarera, S.A. de C.V. ("PIASA") [member] | Compania Panamena de Bebidas, S.A.P.I. de C.V. [member] |  |  |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |  |  |
Capital contribution |  |  |  | 182 |  |
Industria Envasadora de Queretaro, S.A. de C.V. ("IEQSA") [member] |  |  |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |  |  |
Dividend income |  | 8 |  | 16 |  |
Associates [member] |  |  |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |  |  |
Equity earnings (loss) recognized |  | 44 |  | 235 | $ 31 |
Promotora Mexicana De Embotelladores SADeCV [member] |  |  |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |  |  |
Dividend income |  |  |  | $ 17 |  |
Capital contribution |  | 146 |  |  |  |
Jugos del Valle, S.A.P.I. de C.V. [member] |  |  |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |  |  |
Capital contribution |  | $ 73 |  |  |  |

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