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Equity Accounted Investees - Reconciliation from Equity of Associate to Investment of Company (Detail) € in Millions, $ in Millions |  | 12 Months Ended |  |
--- | --- | --- | --- | ---
Apr. 30, 2010 | Dec. 31, 2019 MXN ($) | Dec. 31, 2018 MXN ($) | Dec. 31, 2019 EUR (€) | Dec. 31, 2018 EUR (€)
Disclosure of associates and joint ventures [line items] |  |  |  |  |
Economic ownership percentage |  | 14.80% | 14.80% |  |
Goodwill |  | $ 0 |  |  |
Heineken [member] |  |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |  |
Equity attributable to equity holders of Heineken |  | $ 341,062 | $ 323,608 | € 16,147 | € 14,358
Economic ownership percentage | 20.00% | 14.76% | 14.76% |  |
Investment in Heineken investment exclusive of goodwill and other adjustments |  | $ 50,341 | $ 47,765 | 2,383 | 2,119
Effects of fair value determined by purchase price allocation |  | 14,839 | 15,846 | 703 | 703
Goodwill |  | 18,609 | 19,850 | 881 | 881
Heineken investment |  | $ 83,789 | $ 83,461 | € 3,967 | € 3,703

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