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Balances and Transactions with Related Parties and Affiliated Companies - Summary of Transaction with Related Parties (Detail) - MXN ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Expenses: |  |  |
Other expenses with related parties | $ 751 | $ 618 | $ 470
Other revenue [member] |  |  |
Income: |  |  |
Income from related party transaction | 620 | 857 | 644
The Coca-Cola company [member] |  |  |
Expenses: |  |  |
Interest expense and fee paid to related party transaction |  |  | 1
The Coca-Cola company [member] | Concentrate [member] |  |  |
Expenses: |  |  |
Purchase of goods from related party transaction | 33,898 | 38,146 | 27,330
The Coca-Cola company [member] | Advertising [member] |  |  |
Expenses: |  |  |
Services received to related party transaction | 1,392 | 2,354 | 1,316
Heineken [member] |  |  |
Income: |  |  |
Income from related party transaction | 3,570 | 3,153 | 3,396
Heineken [member] | Raw material and beer [member] |  |  |
Expenses: |  |  |
Purchase of goods from related party transaction | 24,942 | 16,436 | 14,467
Grupo Industrial Saltillo, S.A. de C.V. [member] | Logistic services [member] |  |  |
Income: |  |  |
Income from related party transaction | 457 | 427 | 407
Jugos del Valle, S.A.P.I. de C.V. [member] | Logistic services [member] |  |  |
Income: |  |  |
Income from related party transaction | 587 | 555 | 564
Jugos del Valle, S.A.P.I. de C.V. [member] | Juices [member] |  |  |
Expenses: |  |  |
Purchase of goods from related party transaction | 3,905 | 3,310 | 3,082
Caffenio [member] | Coffee [member] |  |  |
Expenses: |  |  |
Purchase of goods from related party transaction | 2,397 | 2,064 | 1,774
Grupo Industrial Bimbo, S.A.B. de C. V. [member] | Baked goods and snacks [member] |  |  |
Expenses: |  |  |
Purchase of goods from related party transaction | 4,802 | 4,184 | 3,740
Promotora Industrial Azucarera, S.A. de C.V. [member] | Sugar [member] |  |  |
Expenses: |  |  |
Purchase of goods from related party transaction | 1,885 | 1,765 | 1,236
BBVA Bancomer, S.A. de C.V. [member] |  |  |
Expenses: |  |  |
Interest expense and fee paid to related party transaction | 40 | 26 | 68
Beta San Miguel [Member] | Sugar [member] |  |  |
Expenses: |  |  |
Purchase of goods from related party transaction | 1,827 | 1,349 | 1,264
Promotora Mexicana de Embotelladores, S.A. de C.V. [member] | Sugar, cans and aluminum lids [member] |  |  |
Expenses: |  |  |
Purchase of goods from related party transaction | 839 | 759 | 587
Industria Envasadora De Queretaro SA De CVIEQSA [member] | Canned products [member] |  |  |
Expenses: |  |  |
Purchase of goods from related party transaction | 804 | 798 | 731
Leao Alimentos e Bebidas, LTDA [member] | Inventories [member] |  |  |
Expenses: |  |  |
Purchase of goods from related party transaction | 4,010 | 3,448 | 3,359
Grupo Televisa, S.A.B. de C.V. [member] | Advertising [member] |  |  |
Expenses: |  |  |
Services received to related party transaction | 107 | 193 | 175
Grupo Nacional Provincial, S.A.B. [Member] |  |  |
Expenses: |  |  |
Insurance premiums for policies with Grupo Nacional Provincial, S.A.B. | 32 | 63 | 58
Fundacion FEMSA, A.C. [member] |  |  |
Expenses: |  |  |
Donations to related party transactions | 23 | 62 | 30
Difusion y Fomento Cultural, A.C. [member] |  |  |
Expenses: |  |  |
Donations to related party transactions | $ 44 | $ 49 | $ 59

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