XML 108 R88.htm IDEA: XBRL DOCUMENT
v3.21.1

Equity Accounted Investees - Reconciliation from Equity to Investment (Detail) € in Millions, $ in Millions, $ in Millions |  | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Apr. 30, 2010 | Dec. 31, 2020 MXN ($) | Dec. 31, 2019 MXN ($) | Dec. 31, 2018 MXN ($) | Apr. 09, 2021 EUR (€) | Dec. 31, 2020 EUR (€) | Dec. 31, 2020 USD ($) | Dec. 31, 2020 MXN ($) | Dec. 31, 2019 EUR (€) | Dec. 31, 2019 MXN ($)
Disclosure of associates and joint ventures [line items] |  |  |  |  |  |  |  |  |  |
Equity attributable to equity holders |  |  |  |  |  |  | $ 11,951 | $ 237,743 |  | $ 251,989
Economic ownership percentage |  | 14.80% | 14.80% |  |  |  |  |  |  |
Coca-Cola FEMSA [member] |  |  |  |  |  |  |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |  |  |  |  |  |  |
Net income corresponding to the immaterial associates |  | $ (124) | $ 84 | $ 44 |  |  |  |  |  |
Net income (loss) corresponding to the immaterial joint ventures |  | $ (157) | $ (215) | (270) |  |  |  |  |  |
Heineken Group |  |  |  |  |  |  |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |  |  |  |  |  |  |
Equity attributable to equity holders |  |  |  |  |  | € 13,392 |  | 328,393 | € 16,147 | 341,062
Economic ownership percentage | 20.00% | 14.76% | 14.76% |  |  |  |  |  |  |
Investment in Heineken investment exclusive of goodwill and other adjustments |  |  |  |  |  | 1,977 |  | 48,471 | 2,383 | 50,341
Effects of fair value determined by purchase price allocation |  |  |  |  |  | 702 |  | 17,226 | 703 | 14,839
Goodwill |  |  |  |  |  | 881 |  | 21,594 | 881 | 18,609
Heineken investment |  |  |  |  |  | 3,560 |  | 87,291 | 3,967 | 83,789
Fair value of investment |  |  |  |  | € 7,347 | € 7,255 |  | $ 176,718 | € 7,769 | $ 164,504
Dividends received |  | $ 2,322 | $ 3,031 | $ 2,872 |  |  |  |  |  |

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

X
- Definition Effects of fair value determined by purchase price allocation. + References No definition available. + Details
Name: | fmx_EffectsOfFairValueDeterminedByPurchasePriceAllocation
Namespace Prefix: | fmx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Investments in associates excluding goodwill and other adjustments. + References No definition available. + Details
Name: | fmx_InvestmentsInAssociatesExcludingGoodwillAndOtherAdjustments
Namespace Prefix: | fmx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of dividends received. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2020-01-01 -Paragraph B12 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2020-en-r&anchor=para_B12_a&doctype=Appendix&subtype=B -URIDate 2020-01-01 + Details
Name: | ifrs-full_DividendsReceived
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of equity attributable to the owners of the parent. This specifically excludes non-controlling interest. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 54 -Subparagraph r -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_54_r&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_EquityAttributableToOwnersOfParent
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The fair value of investments in associates if there are quoted market prices for the investment. [Refer: Associates [member]; Investments in associates] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2020-01-01 -Paragraph 21 -Subparagraph b -Clause iii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2020-en-r&anchor=para_21_b_iii&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_FairValueOfInvestmentsInAssociatesWherePriceQuotationsPublished
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of assets representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognised. [Refer: Business combinations [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 3 -IssueDate 2020-01-01 -Paragraph B67 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2020-en-r&anchor=para_B67_d&doctype=Appendix&subtype=B -URIDate 2020-01-01 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 36 -IssueDate 2020-01-01 -Paragraph 134 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=36&code=ifrs-tx-2020-en-r&anchor=para_134_a&doctype=Standard -URIDate 2020-01-01 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 36 -IssueDate 2020-01-01 -Paragraph 135 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=36&code=ifrs-tx-2020-en-r&anchor=para_135_a&doctype=Standard -URIDate 2020-01-01 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 54 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_54_c&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_Goodwill
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of investments in associates accounted for using the equity method. [Refer: Associates [member]; Investments accounted for using equity method] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_55&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_InvestmentsInAssociatesAccountedForUsingEquityMethod
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The proportion of ownership interest in an associate attributable to the entity. [Refer: Associates [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2020-01-01 -Paragraph 17 -Subparagraph b -Clause iii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=27&code=ifrs-tx-2020-en-r&anchor=para_17_b_iii&doctype=Standard -URIDate 2020-01-01 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2020-01-01 -Paragraph 16 -Subparagraph b -Clause iii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=27&code=ifrs-tx-2020-en-r&anchor=para_16_b_iii&doctype=Standard -URIDate 2020-01-01 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2020-01-01 -Paragraph 21 -Subparagraph a -Clause iv -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2020-en-r&anchor=para_21_a_iv&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_ProportionOfOwnershipInterestInAssociate
Namespace Prefix: | ifrs-full_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The entity's share of the profit (loss) of associates accounted for using the equity method. [Refer: Associates [member]; Investments accounted for using equity method; Profit (loss)] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 85 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_85&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_ShareOfProfitLossOfAssociatesAccountedForUsingEquityMethod
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The entity's share of the profit (loss) of joint ventures accounted for using the equity method. [Refer: Investments accounted for using equity method; Joint ventures [member]; Profit (loss)] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 85 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_85&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_ShareOfProfitLossOfJointVenturesAccountedForUsingEquityMethod
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=fmx_CocaColaFEMSAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInAssociatesAxis=fmx_HeinekenGroupMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |