XML 135 R114.htm IDEA: XBRL DOCUMENT
v3.22.1

Employee Benefits - Amounts Recognized (Details) $ in Millions, $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 USD ($) | Dec. 31, 2021 MXN ($) | Dec. 31, 2020 MXN ($) | Dec. 31, 2019 MXN ($)
Disclosure of net defined benefit liability (asset) [line items] |  |  |  |
Current service cost |  | $ 766 | $ 729 | $ 549
Remeasurements on the Net Defined Benefit Liability | $ 14 | 296 | (474) | (1,090)
Net benefit cost recognized in the consolidated statements of income |  |  |  |
Disclosure of net defined benefit liability (asset) [line items] |  |  |  |
Current service cost |  | 724 | 656 | 433
Past service cost |  | 42 | 73 | 116
Gain or Loss on Settlement or Curtailment |  | (82) |  | 2
Net Interest on the Net Defined Benefit Liability |  | 485 | 450 | 379
Net benefit cost recognized in the consolidated statements of income | Pension and retirement plans |  |  |  |
Disclosure of net defined benefit liability (asset) [line items] |  |  |  |
Current service cost |  | 390 | 372 | 279
Past service cost |  | 39 | 73 | (45)
Gain or Loss on Settlement or Curtailment |  | (55) |  | 2
Net Interest on the Net Defined Benefit Liability |  | 319 | 305 | 290
Net benefit cost recognized in the consolidated statements of income | Seniority premiums |  |  |  |
Disclosure of net defined benefit liability (asset) [line items] |  |  |  |
Current service cost |  | 290 | 239 | 139
Past service cost |  | 1 |  | 161
Gain or Loss on Settlement or Curtailment |  | (3) |  |
Net Interest on the Net Defined Benefit Liability |  | 114 | 91 | 57
Net benefit cost recognized in the consolidated statements of income | Post retirement medical services |  |  |  |
Disclosure of net defined benefit liability (asset) [line items] |  |  |  |
Current service cost |  | 44 | 44 | 15
Past service cost |  | 2 |  |
Gain or Loss on Settlement or Curtailment |  | (24) |  |
Net Interest on the Net Defined Benefit Liability |  | 52 | 54 | 32
Net benefit cost recognized in consolidated statements of accumulated other comprehensive income |  |  |  |
Disclosure of net defined benefit liability (asset) [line items] |  |  |  |
Remeasurements on the Net Defined Benefit Liability |  | 2,812 | 2,849 | 2,166
Net benefit cost recognized in consolidated statements of accumulated other comprehensive income | Pension and retirement plans |  |  |  |
Disclosure of net defined benefit liability (asset) [line items] |  |  |  |
Remeasurements on the Net Defined Benefit Liability |  | 1,757 | 2,024 | 1,608
Net benefit cost recognized in consolidated statements of accumulated other comprehensive income | Seniority premiums |  |  |  |
Disclosure of net defined benefit liability (asset) [line items] |  |  |  |
Remeasurements on the Net Defined Benefit Liability |  | 853 | 483 | 162
Net benefit cost recognized in consolidated statements of accumulated other comprehensive income | Post retirement medical services |  |  |  |
Disclosure of net defined benefit liability (asset) [line items] |  |  |  |
Remeasurements on the Net Defined Benefit Liability |  | $ 202 | $ 342 | $ 396

X
- Definition Gains (losses) arising from settlements or curtailments net defined benefit liability asset. + References No definition available. + Details
Name: | fmx_GainsLossesArisingFromSettlementsOrCurtailmentsNetDefinedBenefitLiabilityAsset
Namespace Prefix: | fmx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The increase (decrease) in the net defined benefit liability (asset) resulting from employee service in the current period. [Refer: Net defined benefit liability (asset)] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2021-01-01 -Paragraph 141 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&anchor=para_141_a&doctype=Standard -URIDate 2021-03-24 + Details
Name: | ifrs-full_CurrentServiceCostNetDefinedBenefitLiabilityAsset
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. + References No definition available. + Details
Name: | ifrs-full_DisclosureOfNetDefinedBenefitLiabilityAssetLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The increase (decrease) in the net defined benefit liability (asset) resulting from the passage of time. [Refer: Interest expense; Net defined benefit liability (asset)] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2021-01-01 -Paragraph 141 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&anchor=para_141_b&doctype=Standard -URIDate 2021-03-24 + Details
Name: | ifrs-full_InterestExpenseIncomeNetDefinedBenefitLiabilityAsset
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of other comprehensive income, net of tax, related to gains (losses) on remeasurements of defined benefit plans, which comprise actuarial gains and losses; the return on plan assets, excluding amounts included in net interest on the net defined benefit liability (asset); and any change in the effect of the asset ceiling, excluding amounts included in net interest on the net defined benefit liability (asset). [Refer: Other comprehensive income; Defined benefit plans [member]; Plan assets [member]; Net defined benefit liability (asset)] [Contrast: Decrease (increase) in net defined benefit liability (asset) resulting from gain (loss) on remeasurement in other comprehensive income] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 19 -IssueDate 2021-01-01 -Paragraph 135 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&anchor=para_135_b&doctype=Standard -URIDate 2021-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 91 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_91_a&doctype=Standard -URIDate 2021-03-24 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 7 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_7&doctype=Standard -URIDate 2021-03-24 + Details
Name: | ifrs-full_OtherComprehensiveIncomeNetOfTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The increase (decrease) in the net defined benefit liability (asset) resulting from past service cost. Past service cost is the change in the present value of the defined benefit obligation for employee service in prior periods, resulting from a plan amendment (the introduction or withdrawal of, or changes to, a defined benefit plan) or a curtailment (a significant reduction by the entity in the number of employees covered by a plan). [Refer: Net defined benefit liability (asset); Defined benefit plans [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2021-01-01 -Paragraph 141 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&anchor=para_141_d&doctype=Standard -URIDate 2021-03-24 + Details
Name: | ifrs-full_PastServiceCostNetDefinedBenefitLiabilityAsset
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | fmx_NetBenefitCostRecognizedInFinancialStatementsAxis=fmx_NetBenefitCostRecognizedInTheConsolidatedStatementsOfIncomeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_DefinedBenefitPlansAxis=fmx_PensionAndRetirementPlansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_DefinedBenefitPlansAxis=fmx_SeniorityPremiumsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_DefinedBenefitPlansAxis=fmx_PostRetirementMedicalServicesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | fmx_NetBenefitCostRecognizedInFinancialStatementsAxis=fmx_NetBenefitCostRecognizedInConsolidatedStatementsOfAccumulatedOtherComprehensiveIncomeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |