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Other Liabilities, Provisions, Contingencies and Commitments - Litigation, etc. (Details) - MXN ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Disclosure of financial liabilities [line items] |  |  |
Aggregate amount claimed against company | $ 108,481 |  |
Capital Commitments | 726 | $ 432 | $ 556
Brazil |  |  |
Disclosure of financial liabilities [line items] |  |  |
Tax contingencies amount | 55,288 |  |
Litigation amount | 10,721 | $ 7,342 | $ 10,471
Coca-Cola FEMSA |  |  |
Disclosure of financial liabilities [line items] |  |  |
Amount extraordinary benefit from revision of suspended tax credit | 1,083 |  |
Coca-Cola FEMSA | ICMS |  |  |
Disclosure of financial liabilities [line items] |  |  |
Tax contingencies amount | 8,573 |  |
Coca-Cola FEMSA | Tax credits |  |  |
Disclosure of financial liabilities [line items] |  |  |
Tax contingencies amount | 30,821 |  |
Coca-Cola FEMSA | Federal taxes |  |  |
Disclosure of financial liabilities [line items] |  |  |
Tax contingencies amount | 4,766 |  |
Coca-Cola FEMSA | Amortization of Goodwill |  |  |
Disclosure of financial liabilities [line items] |  |  |
Tax contingencies amount | 8,549 |  |
Coca-Cola FEMSA | Liability Over The Operations of Third Party |  |  |
Disclosure of financial liabilities [line items] |  |  |
Tax contingencies amount | $ 2,579 |  |

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