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Equity Accounted Investees - Reconciliation from Equity of Associate to Investment of Company (Detail) € in Millions |  | 4 Months Ended | 8 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
Apr. 30, 2010 | Dec. 31, 2017 MXN ($) | Aug. 31, 2017 | Dec. 31, 2018 MXN ($) | Dec. 31, 2017 MXN ($) | Dec. 31, 2016 | Dec. 31, 2018 EUR (€) | Dec. 31, 2017 EUR (€)
Disclosure of associates and joint ventures [line items] |  |  |  |  |  |  |  |
Goodwill |  |  |  | $ 0 |  |  |  |
Heineken investment |  | $ 1,039,000,000 |  |  | $ 1,039,000,000 |  |  |
Heineken [member] |  |  |  |  |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |  |  |  |  |
Equity attributable to equity holders of Heineken |  | $ 314,018,000,000 |  | $ 323,608,000,000 | $ 314,018,000,000 |  | € 14,358 | € 13,321
Economic ownership percentage | 20.00% | 14.80% | 20.00% | 14.76% | 14.76% | 20.00% |  |
Investment in Heineken investment exclusive of goodwill and other adjustments |  | $ 46,349,000,000 |  | $ 47,765,000,000 | $ 46,349,000,000 |  | 2,119 | 1,966
Effects of fair value determined by purchase price allocation |  | 16,610,000,000 |  | 15,846,000,000 | 16,610,000,000 |  | 703 | 705
Goodwill |  | 20,761,000,000 |  | 19,850,000,000 | 20,761,000,000 |  | 881 | 881
Heineken investment |  | $ 83,720,000,000 |  | $ 83,461,000,000 | $ 83,720,000,000 |  | € 3,703 | € 3,552

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