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Taxes - Additional Information (Detail) $ in Millions |  |  |  |  |  |  |  | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Jan. 01, 2020 MXN ($) | Sep. 30, 2019 | Jan. 01, 2019 | Dec. 31, 2018 | Sep. 01, 2018 | Oct. 19, 2017 | Jan. 01, 2017 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019 MXN ($) | Dec. 31, 2019 USD ($) | Dec. 31, 2018 MXN ($) | Dec. 31, 2018 USD ($) | Dec. 31, 2017 MXN ($) | Dec. 31, 2017 USD ($) | Dec. 31, 2016 | Dec. 31, 2015 | Jan. 01, 2022 | Jan. 01, 2021 | Dec. 23, 2019 | Nov. 28, 2019
Disclosure of income taxes [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
NOLs usage limit |  |  |  |  |  |  |  |  |  |  | 30.00% | 30.00% |  |  |  |  |  |  |  |  |  |
Withholding taxes associated with payment of dividends |  |  |  |  |  |  |  |  |  |  | $ 49,255 | $ 0 | $ 45,305 | $ 0 | $ 41,915 | $ 0 |  |  |  |  |  |
Income tax recoveries |  |  |  |  |  |  |  |  |  |  | $ 4,223 |  | $ 2,361 |  |  |  |  |  |  |  |  |
Income tax rate |  |  |  |  |  | 8.00% |  |  |  |  | 30.00% | 30.00% | 30.00% | 30.00% | 30.00% | 30.00% | 30.00% |  |  |  |  |
Applicable tax rate |  |  |  |  |  | 8.00% |  |  |  |  | 30.00% | 30.00% | 30.00% | 30.00% | 30.00% | 30.00% | 30.00% |  |  |  |  |
Foreign Nonresidents Individuals And Companies [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of income taxes [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of Increase in dividend tax |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 100.00% |  |  |
NonCarbonated Beverages [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of income taxes [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of exercise tax |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5.00%
Percentage of federal production and sales taxes |  |  |  |  |  |  |  |  |  |  | 16.30% | 16.30% |  |  |  |  |  |  |  |  |  |
Bottom of range [member] | Colombian resident individuals [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of income taxes [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of Increase in dividend tax | 10.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Bottom of range [member] | Foreign Nonresidents Individuals And Companies [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of income taxes [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of Increase in dividend tax | 7.50% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Bottom of range [member] | Carbonated Beverages [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of income taxes [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of increase in excise tax | 5.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Top of range [member] | Colombian resident individuals [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of income taxes [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of Increase in dividend tax | 15.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Top of range [member] | Foreign Nonresidents Individuals And Companies [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of income taxes [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of Increase in dividend tax | 10.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Top of range [member] | Carbonated Beverages [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of income taxes [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of increase in excise tax | 7.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Argentina [member] | 1-4 months [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of income taxes [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of reduction in excise tax |  |  |  | 4.00% | 20.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Colombia [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of income taxes [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income tax rate |  |  |  |  |  |  |  |  |  |  | 33.00% | 33.00% |  |  |  |  |  |  |  |  |  |
Minimum assumed income tax rate |  |  |  |  |  |  |  |  |  |  | 3.50% | 3.50% |  |  |  |  |  |  |  |  |  |
New tax on dividends paid to non-resident stockholders and resident individuals |  |  |  | 5.00% |  |  |  |  |  |  | 7.50% | 7.50% | 5.00% | 5.00% |  |  |  |  |  |  |  |
Percentage of reform extra income tax rate |  |  |  |  |  |  |  |  |  |  |  |  | 4.00% | 4.00% | 6.00% | 6.00% |  |  |  |  |  |
Income tax rate |  |  |  |  |  |  | 9.00% |  |  |  |  |  | 9.00% | 9.00% | 8.00% | 8.00% | 6.00% | 5.00% |  |  |  |
Applicable tax rate |  |  |  |  |  |  | 9.00% |  |  |  |  |  | 9.00% | 9.00% | 8.00% | 8.00% | 6.00% | 5.00% |  |  |  |
Colombia [member] | Coca Cola Fomento Economico Mexicano SABde CV [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of income taxes [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Effect of unused tax losses |  |  |  |  |  |  |  |  |  |  | $ 2 |  | $ 2 |  |  |  |  |  |  |  |  |
Colombia [member] | Less than 1 year [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of income taxes [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income tax rate |  |  |  |  |  |  |  |  |  |  | 32.00% | 32.00% |  |  |  |  |  |  |  |  |  |
Colombia [member] | Later than one year [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of income taxes [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income tax rate |  |  |  |  |  |  |  |  |  |  | 31.00% | 31.00% |  |  |  |  |  |  |  |  |  |
Percentage of reform income tax rate |  |  |  |  |  |  | 33.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Colombia [member] | Later than two year [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of income taxes [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of reform income tax rate |  |  |  |  |  |  |  |  |  |  | 30.00% | 30.00% |  |  |  |  |  |  |  |  |  |
Colombia [member] | Bottom of range [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of income taxes [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of special increase in income tax rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 15.00% | 15.00% |  |  |  |  |  |
Colombia [member] | Bottom of range [member] | Less than 1 year [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of income taxes [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income tax rate |  |  |  |  |  |  | 34.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Colombia [member] | Top of range [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of income taxes [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income tax rate |  |  |  |  |  |  | 35.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of special increase in income tax rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 20.00% | 20.00% |  |  |  |  |  |
MX [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of income taxes [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income tax rate | 30.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Applicable tax rate | 30.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Changes in tax rates or tax laws enacted or announced [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of income taxes [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income tax rate | 30.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Applicable tax rate | 30.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of decrease in income tax |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.00% |  |
Changes in tax rates or tax laws enacted or announced [member] | Bottom of range [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of income taxes [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of decrease in income tax | 0.50% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Changes in tax rates or tax laws enacted or announced [member] | Top of range [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of income taxes [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of decrease in income tax | 1.50% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Changes in tax rates or tax laws enacted or announced [member] | Argentina [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of income taxes [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
New tax on dividends paid to non-resident stockholders and resident individuals |  |  |  | 7.00% |  |  |  |  |  | 13.00% | 7.00% | 7.00% | 7.00% | 7.00% |  |  |  |  |  |  |  |
Percentage of reduction in excise tax | 4.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income tax rate |  |  |  |  |  |  |  |  |  | 25.00% | 30.00% | 30.00% | 35.00% | 35.00% |  |  |  |  |  |  |  |
Applicable tax rate |  |  |  |  |  |  |  |  |  | 25.00% | 30.00% | 30.00% | 35.00% | 35.00% |  |  |  |  |  |  |  |
Changes in tax rates or tax laws enacted or announced [member] | Argentina [member] | Sales taxes in the province of Buenos Aires [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of income taxes [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income tax rate |  |  |  |  |  |  |  |  |  |  |  |  | 1.50% | 1.50% | 1.75% | 1.75% |  |  |  |  |  |
Applicable tax rate |  |  |  |  |  |  |  |  |  |  |  |  | 1.50% | 1.50% | 1.75% | 1.75% |  |  |  |  |  |
Changes in tax rates or tax laws enacted or announced [member] | Argentina [member] | Sales Tax in City of Buenos Aires [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of income taxes [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income tax rate |  |  |  |  |  |  |  | 0.00% | 0.50% | 1.00% | 1.50% | 1.50% | 2.00% | 2.00% | 1.00% | 1.00% |  |  |  |  |  |
Applicable tax rate |  |  |  |  |  |  |  | 0.00% | 0.50% | 1.00% | 1.50% | 1.50% | 2.00% | 2.00% | 1.00% | 1.00% |  |  |  |  |  |
Changes in tax rates or tax laws enacted or announced [member] | Argentina [member] | 1-6 months [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of income taxes [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of reduction in excise tax | 8.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of increase in excise tax |  | 12.00% | 4.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Changes in tax rates or tax laws enacted or announced [member] | Colombia [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of income taxes [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Minimum assumed income tax rate |  |  |  |  |  |  |  |  |  | 1.50% |  |  |  |  |  |  |  |  |  |  |  |
Municipality sales tax credited against payable income tax |  |  |  |  |  |  |  |  |  | 100.00% | 50.00% | 50.00% |  |  |  |  |  |  |  |  |  |
Changes in tax rates or tax laws enacted or announced [member] | Costa Rica [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of income taxes [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Value-added tax |  |  | 13.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of capital gains |  |  | 15.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of withholding taxes on salaries of employees |  |  | 25.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of withholding taxes on compensations of employees |  |  | 20.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of tax rate that exceeds EBITDA |  |  | 20.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Changes in tax rates or tax laws enacted or announced [member] | MX [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of income taxes [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Threshold limit on deductible interest | $ 20,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Expiration term of nondeductible interest exceeding limit | 10 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Excise tax per litre | 1.17 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Excise tax rate | 2,500 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Changes in tax rates or tax laws enacted or announced [member] | AR [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of income taxes [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income tax rate |  |  |  |  |  |  |  |  |  |  | 30.00% | 30.00% |  |  |  |  |  |  |  |  |  |
Applicable tax rate |  |  |  |  |  |  |  |  |  |  | 30.00% | 30.00% |  |  |  |  |  |  |  |  |  |
Corporate income tax rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 30.00% |
Dividend withholding tax |  |  |  |  |  |  |  |  |  |  | 7.00% | 7.00% |  |  |  |  |  |  |  |  |  |
Percentage on adjustments for current tax of prior periods | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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