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Financial Instruments - Commodity Price Contracts (Details) - Coca-Cola FEMSA - Commodity price contracts - MXN ($) $ in Millions | Dec. 31, 2021 | Dec. 31, 2020
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Sugar Price Contracts | Less than one year |  |
Disclosure of detailed information about hedges [line items] |  |
Notional amount | $ 2,020 | $ 1,260
Fair Value Asset | 502 | (18)
Fair value Liability | (7) | 275
Sugar Price Contracts | 1-2 years |  |
Disclosure of detailed information about hedges [line items] |  |
Notional amount | 769 | 366
Fair Value Asset | 195 |
Fair value Liability |  | 70
Aluminum price contracts | Less than one year |  |
Disclosure of detailed information about hedges [line items] |  |
Notional amount | 102 | 695
Fair Value Asset | 62 |
Fair value Liability |  | (125)
Aluminum price contracts | 1-2 years |  |
Disclosure of detailed information about hedges [line items] |  |
Notional amount |  | 99
Fair value Liability |  | (17)
PX MEG contracts | Less than one year |  |
Disclosure of detailed information about hedges [line items] |  |
Notional amount | 470 | 729
Fair Value Asset | (5) |
Fair value Liability | $ (28) | $ (65)

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