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Equity Accounted Investees - Additional Information (Detail) € / shares in Units, € in Millions, $ in Millions, $ in Millions |  |  | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | ---
Sep. 18, 2017 € / shares shares | Apr. 30, 2010 | Dec. 31, 2019 MXN ($) | Dec. 31, 2019 EUR (€) | Dec. 31, 2018 MXN ($) | Dec. 31, 2018 EUR (€) | Dec. 31, 2017 MXN ($) | Dec. 31, 2017 EUR (€) | Apr. 24, 2020 EUR (€) | Dec. 31, 2019 USD ($) | [2] | Dec. 31, 2019 EUR (€) | Dec. 31, 2018 EUR (€)
Disclosure of Investments in Subsidiaries Joint Ventures and Associates [Line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Capital contribution |  |  | $ 3,348 | [1] |  | $ 3,348 |  |  |  |  | $ 178 |  |
Capitalization of borrowing costs |  |  | $ 333 |  |  |  |  |  |  |  |  |  |
Ownership Percentage |  |  | 14.80% |  | 14.80% | 14.80% | 14.80% |  |  |  |  |  |
Amortisation expense related to net income attributable to equity holders |  |  | $ 1,812 |  |  | $ 1,913 |  | $ 1,259 |  |  |  |  |
Net income corresponding to the immaterial associates |  |  | 84 |  |  | 44 |  | 235 |  |  |  |  |
Net income (loss) corresponding to the immaterial joint ventures |  |  | (215) |  |  | (270) |  | (175) |  |  |  |  |
Promotora Mexicana de Embotelladores, S.A. de C.V. [member] |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of Investments in Subsidiaries Joint Ventures and Associates [Line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Dividends received |  |  | 1 |  |  |  |  |  |  |  |  |  |
Compania Panamena de Bebidas, S.A.P.I. de C.V. [member] | Other expense [member] |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of Investments in Subsidiaries Joint Ventures and Associates [Line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Impairment loss on investments |  |  | 948 |  |  | 432 |  |  |  |  |  |  |
Industria Envasadora de Quertaro, S.A. de C.V. (IEQSA) [member] |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of Investments in Subsidiaries Joint Ventures and Associates [Line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Dividends received |  |  |  |  |  | 8 |  |  |  |  |  |  |
Promotora Industrial Azucarera, S.A. de C.V. ("PIASA") [member] |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of Investments in Subsidiaries Joint Ventures and Associates [Line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Capital contribution |  |  | $ 111 |  |  | $ 146 |  |  |  |  |  |  |
Ownership Percentage |  |  | 36.40% |  | 36.40% | 36.40% | 36.40% |  |  |  |  |  |
Heineken [member] |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of Investments in Subsidiaries Joint Ventures and Associates [Line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Dividends received |  |  | $ 3,031 |  |  | $ 2,872 |  | 3,250 |  |  |  |  |
Ownership Percentage |  | 20.00% | 14.76% |  | 14.76% | 14.76% | 14.76% |  |  |  |  |  |
Portion of investment sold | 5.20% |  |  |  |  |  |  |  |  |  |  |  |
Equity income recognized from ownership interest, net of tax |  |  | $ 6,428 |  |  | $ 6,478 |  | 7,847 |  |  |  |  |
Amortisation expense related to net income attributable to equity holders |  |  | $ 6,885 |  | € 319 | $ 6,320 | € 281 | $ 7,656 | € 357 |  |  |  |
Heineken Company [member] |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of Investments in Subsidiaries Joint Ventures and Associates [Line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Ownership Percentage |  |  | 8.63% |  | 8.63% | 8.63% | 8.63% |  |  |  |  |  |
Number of shares sold | shares | 22,485,000 |  |  |  |  |  |  |  |  |  |  |  |
Share price | € / shares | € 84.50 |  |  |  |  |  |  |  |  |  |  |  |
Fair value of investments in accociates representing 20% of its outstanding shares |  |  | $ 164,504 |  |  | $ 145,177 |  |  |  |  |  | € 7,769 | € 6,441
Heineken Company [member] | Actuarial assumption of retirement age [member] |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of Investments in Subsidiaries Joint Ventures and Associates [Line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Fair value of investment in joint ventures | € |  |  |  |  |  |  |  |  |  | € 6,152 |  |  |
Heineken Holding N.V. [member] |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of Investments in Subsidiaries Joint Ventures and Associates [Line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Ownership Percentage |  |  | 12.26% |  | 12.26% | 12.26% | 12.26% |  |  |  |  |  |
Number of shares sold | shares | 7,700,000 |  |  |  |  |  |  |  |  |  |  |  |
Share price | € / shares | € 78.00 |  |  |  |  |  |  |  |  |  |  |  |
Jugos del Valle, S.A.P.I. de C.V. [member] |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of Investments in Subsidiaries Joint Ventures and Associates [Line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Capital contribution |  |  | $ 204 |  |  |  |  |  |  |  |  |  |
Ownership Percentage |  |  | 28.80% |  | 28.80% | 26.30% | 26.30% |  |  |  |  |  |
UBI 3 Participacoes, LTDA [member] |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of Investments in Subsidiaries Joint Ventures and Associates [Line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Capitalization of borrowing costs |  |  |  |  |  | $ 73 |  |  |  |  |  |  |
[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

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