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Other Income and Expenses - Summary of Other Income and Expenses (Details) $ in Millions, $ in Millions | 12 Months Ended
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Dec. 31, 2021 USD ($) | Dec. 31, 2021 MXN ($) | Dec. 31, 2020 MXN ($) | Dec. 31, 2019 MXN ($)
Disclosure of Other Operating Income Expense [Line Items] |  |  |  |
Gain on sale of other assets |  | $ 968 |  |
Gain on sale of long-lived assets |  | 208 | $ 130 |
Sale of waste material |  | 25 | 20 | $ 21
Insurance rebates |  | 71 | 35 |
Foreign exchange gain |  |  | 112 | 26
Other investment in shares |  | 3,245 | 2,011 |
Recycling of cumulative gain on sale of joint venture |  |  | 212 |
Recoveries of prior years |  | 881 | 594 | 896
Others |  | 489 | 229 | 70
Other income | $ 287 | 5,887 | 3,343 | 1,013
Contingencies associated with prior acquisitions or disposals |  |  |  | 149
Loss on sale of property, plant and equipment |  |  |  | 67
Recoveries of prior years |  | 41 |  | 44
Impairment of long-lived assets | $ 70 | 1,427 | 5,102 | 1,018
Loss in write-off of intangible assets |  |  | 375 |
Disposal of long-lived assets |  | 579 | 915 | 861
Contingencies |  | 187 | 804 | 589
Severance payments |  | 305 | 465 | 1,207
Donations |  | 433 | 605 | 489
Legal fees and other expenses from past acquisitions |  | 127 |  | 17
Foreign exchange loss |  | 86 |  |
Items Without Tax Requirements |  | 172 |  |
Effect of taxes paid on previous years |  |  | 3,253 |
Other |  | 370 | 862 | 464
Other expenses |  | 3,727 | 12,381 | 4,905
Corporacin Grupo FYBECA S.A. |  |  |  |
Disclosure of Other Operating Income Expense [Line Items] |  |  |  |
Impairment of long-lived assets |  | 1,170 |  |
Campo Verde |  |  |  |
Disclosure of Other Operating Income Expense [Line Items] |  |  |  |
Impairment of long-lived assets |  | $ 256 |  |
Compania Panamena de Bebidas, S.A.P.I. de C.V. |  |  |  |
Disclosure of Other Operating Income Expense [Line Items] |  |  |  |
Impairment of long-lived assets |  |  | 1,463 | $ 948
Leao Alimentos e Bebidas, L T DA |  |  |  |
Disclosure of Other Operating Income Expense [Line Items] |  |  |  |
Impairment of long-lived assets |  |  | 1,038 |
Specialty's Caf & Bakery, Inc |  |  |  |
Disclosure of Other Operating Income Expense [Line Items] |  |  |  |
Impairment of long-lived assets |  |  | 2,021 |
Doa Tota |  |  |  |
Disclosure of Other Operating Income Expense [Line Items] |  |  |  |
Impairment of long-lived assets |  |  | $ 576 |

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- Definition The net gain arising from exchange differences recognised in profit or loss, excluding those arising on financial instruments measured at fair value through profit or loss in accordance with IFRS 9. [Refer: Foreign exchange gain (loss)] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 21 -IssueDate 2021-01-01 -Paragraph 52 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=21&code=ifrs-tx-2021-en-r&anchor=para_52_a&doctype=Standard -URIDate 2021-03-24 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 35 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_35&doctype=Standard -URIDate 2021-03-24 + Details
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