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Balances and Transactions with Related Parties and Affiliated Companies - Summary of Balances and Transactions with Related Parties and Affiliated Companies (Detail) - MXN ($) $ in Millions | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | ---
Accounts payable [member] |  |
Balances |  |
Other payables | $ 1,402 | $ 1,508
Accounts receivable and other current financial assets [Member] |  |
Balances |  |
Other receivables | 565 | 209
The Coca-Cola company [member] | Bank loans and notes payables and accounts payable [Member] |  |
Balances |  |
Account payables with related party transactions | 3,893 | 3,731
The Coca-Cola company [member] | Accounts receivable [member] |  |
Balances |  |
Account receivable with related party transaction | 1,173 | 2,054
BBVA Bancomer, S.A. de C.V. [member] | Bank loans and notes payables [member] |  |
Balances |  |
Account payables with related party transactions | 2,947 | 352
BBVA Bancomer, S.A. de C.V. [member] | Cash and cash equivalent [member] |  |
Balances |  |
Assets balance with related party transaction | 11,093 | 1,496
JP Morgan Chase & Co. [member] | Cash and cash equivalent [member] |  |
Balances |  |
Assets balance with related party transaction | 27 | 6,907
Banco Mercantil del Norte S.A. [member] |  |
Balances |  |
Assets balance with related party transaction |  | 806
Grupo Industrial Saltillo S.A.B. de C.V [member] | Other financial asset [member] |  |
Balances |  |
Assets balance with related party transaction | 169 | 141
Heineken [member] | Accounts payable [member] |  |
Balances |  |
Account payables with related party transactions | 4,753 | 4,403
Heineken [member] | Accounts receivable and other financial assets [Member] |  |
Balances |  |
Account receivable with related party transaction | $ 2,572 | 2,673
Former Shareholders Vonpar [member] |  |
Balances |  |
Account receivable with related party transaction |  | 1,219
Caffenio [member] | Accounts payable [member] |  |
Balances |  |
Account payables with related party transactions |  | $ 293

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