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Investments in Other Entities - Summary of Investment in Associates and Joint Ventures Accounted for under Equity Method (Detail) $ in Millions, $ in Millions | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2018 MXN ($) | Dec. 31, 2017 MXN ($) | Dec. 31, 2018 USD ($) | Mar. 28, 2017 MXN ($)
Disclosure of associates and joint ventures [line items] |  |  |  |  |
Carrying Amount |  |  |  |  | $ 587
Ownership Percentage |  | 0.00% |  |  |
Investments in other entities |  | $ 10,518 | $ 12,540 | $ 536 |
Investments accounted for using equity method [member] |  |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |  |
Investments in other entities |  | $ 10,518 | $ 12,540 |  |
Investments accounted for using equity method [member] | Promotora Industrial Azucarera, S.A. de C.V. ("PIASA") [member] |  |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |  |
Associates | [1] | Promotora Industrial Azucarera, S.A. de C.V. ("PIASA") |  |  |
Principal Activity | [1] | Sugar production |  |  |
Place of Incorporation | [1] | Mexico |  |  |
Ownership Percentage | [1] | 36.40% | 36.40% |  |
Carrying Amount | [1] | $ 3,120 | $ 2,933 |  |
Investments accounted for using equity method [member] | Jugos del Valle, S.A.P.I. de C.V. [member] |  |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |  |
Associates | [1] | Jugos del Valle, S.A.P.I. de C.V. |  |  |
Principal Activity | [1] | Beverages |  |  |
Place of Incorporation | [1] | Mexico |  |  |
Ownership Percentage | [1] | 26.30% | 26.30% |  |
Carrying Amount | [1] | $ 1,571 | $ 1,560 |  |
Investments accounted for using equity method [member] | Leao Alimentos e Bebidas, LTDA [member] |  |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |  |
Associates | [1] | Leao Alimentos e Bebidas, LTDA |  |  |
Principal Activity | [1] | Beverages |  |  |
Place of Incorporation | [1] | Brazil |  |  |
Ownership Percentage | [1] | 24.70% | 24.40% |  |
Carrying Amount | [1] | $ 2,084 | $ 3,001 |  |
Investments accounted for using equity method [member] | UBI 3 Participacoes, LTDA [member] |  |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |  |
Associates | [1] | UBI 3 Participacoes, LTDA |  |  |
Principal Activity | [1] | Beverages |  |  |
Place of Incorporation | [1] | Brazil |  |  |
Ownership Percentage | [1] | 26.00% | 26.00% |  |
Carrying Amount | [1] | $ 7 | $ 391 |  |
Investments accounted for using equity method [member] | Industria Envasadora de Queretaro, S.A. de C.V. ("IEQSA") [member] |  |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |  |
Associates | [1] | Industria Envasadora de Querétaro, S.A. de C.V. ("IEQSA") |  |  |
Principal Activity | [1] | Caned bottling |  |  |
Place of Incorporation | [1] | Mexico |  |  |
Ownership Percentage | [1] | 26.50% | 26.50% |  |
Carrying Amount | [1] | $ 179 | $ 177 |  |
Investments accounted for using equity method [member] | Industria Mexicana de Reciclaje, S.A. de C.V. ("IMER") [member] |  |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |  |
Associates | [1] | Industria Mexicana de Reciclaje, S.A. de C.V. ("IMER") |  |  |
Principal Activity | [1] | Recycling |  |  |
Place of Incorporation | [1] | Mexico |  |  |
Ownership Percentage | [1] | 35.00% | 35.00% |  |
Carrying Amount | [1] | $ 129 | $ 121 |  |
Investments accounted for using equity method [member] | KSP Participacoes LTDA [member] |  |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |  |
Associates | [1] | KSP Participacoes, LTDA |  |  |
Principal Activity | [1] | Beverages |  |  |
Place of Incorporation | [1] | Brazil |  |  |
Ownership Percentage | [1] | 31.40% | 38.70% |  |
Carrying Amount | [1] | $ 104 | $ 117 |  |
Investments accounted for using equity method [member] | Other associates [member] |  |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |  |
Associates |  | Other |  |  |
Principal Activity |  | Various |  |  |
Place of Incorporation |  | Various |  |  |
Carrying Amount |  | $ 786 | 228 |  |
Investments accounted for using equity method [member] | Investment in Associates and Joint Ventures [member] |  |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |  |
Investments in other entities |  | $ 10,518 | $ 11,501 |  |
Investments accounted for using equity method [member] | Compania Panamena de Bebidas, S.A.P.I. de C.V. [member] |  |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |  |
Joint ventures |  | Compania Panamena de Bebidas, S.A.P.I. de C.V. |  |  |
Principal Activity |  | Beverages |  |  |
Place of Incorporation |  | Mexico |  |  |
Ownership Percentage |  | 50.00% | 50.00% |  |
Carrying Amount |  | $ 1,550 | $ 2,036 |  |
Investments accounted for using equity method [member] | Dispensadoras de Cafe, S.A.P.I. de C.V. [member] |  |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |  |
Joint ventures |  | Dispensadoras de Cafe, S.A.P.I. de C.V. |  |  |
Principal Activity |  | Services |  |  |
Place of Incorporation |  | Mexico |  |  |
Ownership Percentage |  | 50.00% | 50.00% |  |
Carrying Amount |  | $ 162 | $ 153 |  |
Investments accounted for using equity method [member] | Fountain Agua Mineral, LTDA [member] |  |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |  |
Joint ventures |  | Fountain Agua Mineral, LTDA |  |  |
Principal Activity |  | Beverages |  |  |
Place of Incorporation |  | Brazil |  |  |
Ownership Percentage |  | 50.00% | 50.00% |  |
Carrying Amount |  | $ 826 | $ 784 |  |
[1] | The Company has significant influence due to the fact that it has power to participate in the financial and operating policy decisions of the investee.

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- Definition The amount of investments in associates accounted for using the equity method. [Refer: Associates [member]; Investments accounted for using equity method] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_55&doctype=Standard -URIDate 2018-03-16 + Details
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- Definition The amount of investments in joint ventures accounted for using the equity method. [Refer: Joint ventures [member]; Investments accounted for using equity method] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_55&doctype=Standard -URIDate 2018-03-16 + Details
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- Definition The name of an associate. [Refer: Associates [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2018-01-01 -Paragraph 17 -Subparagraph b -Clause i -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=27&date=2018-03-01&anchor=para_17_b_i&doctype=Standard -URIDate 2018-03-16 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2018-01-01 -Paragraph 16 -Subparagraph b -Clause i -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=27&date=2018-03-01&anchor=para_16_b_i&doctype=Standard -URIDate 2018-03-16 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2018-01-01 -Paragraph 21 -Subparagraph a -Clause i -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=12&date=2018-03-01&anchor=para_21_a_i&doctype=Standard -URIDate 2018-03-16 + Details
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- Definition The name of a joint venture. [Refer: Joint ventures [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2018-01-01 -Paragraph 17 -Subparagraph b -Clause i -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=27&date=2018-03-01&anchor=para_17_b_i&doctype=Standard -URIDate 2018-03-16 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2018-01-01 -Paragraph 16 -Subparagraph b -Clause i -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=27&date=2018-03-01&anchor=para_16_b_i&doctype=Standard -URIDate 2018-03-16 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2018-01-01 -Paragraph 21 -Subparagraph a -Clause i -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=12&date=2018-03-01&anchor=para_21_a_i&doctype=Standard -URIDate 2018-03-16 + Details
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