XML 211 R164.htm IDEA: XBRL DOCUMENT v3.25.1

Equity - Summary of Capital Stock (Details) - MXN ($)																	12 Months Ended
	Jan. 26, 2025	Oct. 17, 2024	Oct. 15, 2024	Jul. 18, 2024	Jul. 16, 2024	Apr. 18, 2024	Apr. 16, 2024	Dec. 09, 2023	Nov. 07, 2023	Nov. 03, 2023	May 08, 2023	May 03, 2023	Nov. 05, 2021	May 06, 2021	May 04, 2021	Nov. 03, 2020	Dec. 31, 2023	Dec. 31, 2024	Mar. 22, 2024	Mar. 19, 2024	Mar. 31, 2023	Mar. 27, 2023	Dec. 31, 2022	Mar. 24, 2021	Mar. 19, 2021
Disclosure of classes of share capital [line items]
Units (in shares)																	3,578,226,270	3,578,226,270
Series "B" (in shares)																	9,246,420,270	9,246,420,270
Series "D" (in shares)																	8,644,711,080	8,644,711,080
Series "D-B" (in shares)																	4,322,355,540	4,322,355,540
Series "D-L" (in shares)																	4,322,355,540	4,322,355,540
Total shares (in shares)																	17,891,131,350	17,891,131,350
Statutory reserve																	$ 596,000,000	$ 596,000,000
Total CUFIN balance amount																		383,998,000,000
Dividend approved to be paid																		$ 14,404,000,000
Shares reacquired (in shares)																	48,128,863
“B” Units
Disclosure of classes of share capital [line items]
Units (in shares)																	1,417,048,500	1,417,048,500
Series "B" (in shares)																	7,085,242,500	7,085,242,500
Series "D" (in shares)																	0	0
Series "D-B" (in shares)																	0	0
Series "D-L" (in shares)																	0	0
Total shares (in shares)																	7,085,242,500	7,085,242,500
“BD” Units
Disclosure of classes of share capital [line items]
Units (in shares)																	2,161,177,770	2,161,177,770
Series "B" (in shares)																	2,161,177,770	2,161,177,770
Series "D" (in shares)																	8,644,711,080	8,644,711,080
Series "D-B" (in shares)																	4,322,355,540	4,322,355,540
Series "D-L" (in shares)																	4,322,355,540	4,322,355,540
Total shares (in shares)																	10,805,888,850	10,805,888,850
Ordinary shares
Disclosure of classes of share capital [line items]
Dividend approved to be paid						$ 10,294,000,000											$ 12,247,000,000	$ 14,697,000,000	$ 14,697,000,000		$ 12,247,000,000		$ 11,358,000,000	$ 11,358,000,000
Percentage of dividend paid		25.00%		25.00%		25.00%			50.00%		50.00%			50.00%
Maximum reserve for share purchase									$ 17,000,000,000				$ 17,000,000,000
Ordinary shares | Dividend Transaction
Disclosure of classes of share capital [line items]
Percentage of dividend paid	25.00%
Maximum reserve for share purchase	$ 34,000
Ordinary shares | “BD” Units
Disclosure of classes of share capital [line items]
Units (in shares)																		102,201,323
Total shares (in shares)																		511,000,000
Ordinary shares | Non-controlling interest
Disclosure of classes of share capital [line items]
Dividend approved to be paid								$ 6,741,000,000
Coca-Cola FEMSA | Ordinary shares
Disclosure of classes of share capital [line items]
Dividend approved to be paid																	$ 12,185,000,000	$ 12,773,000,000		$ 12,773,000,000		$ 12,185,000,000	$ 11,407,000,000		$ 11,407,000,000
Percentage of dividend paid			25.00%		25.00%		25.00%	25.00%		50.00%		50.00%	50.00%		50.00%	50.00%

X

- Definition

Maximum reserve for share purchase.

+ References

No definition available.

+ Details

Name:	fmx_MaximumReserveForSharePurchase
Namespace Prefix:	fmx_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Net taxable income, denominated "Cuenta de utilidad Fiscal Neta" (CUFIN") balance.

+ References

No definition available.

+ Details

Name:	fmx_NetTaxableIncomeDenominatedBalance
Namespace Prefix:	fmx_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Number of series B shares issued.

+ References

No definition available.

+ Details

Name:	fmx_NumberOfSeriesBSharesIssued
Namespace Prefix:	fmx_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Number of series D-B shares issued.

+ References

No definition available.

+ Details

Name:	fmx_NumberOfSeriesDBSharesIssued
Namespace Prefix:	fmx_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Number of series D-L shares issued.

+ References

No definition available.

+ Details

Name:	fmx_NumberOfSeriesDLSharesIssued
Namespace Prefix:	fmx_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Number of series D shares issued.

+ References

No definition available.

+ Details

Name:	fmx_NumberOfSeriesDSharesIssued
Namespace Prefix:	fmx_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Percentage of dividend paid.

+ References

No definition available.

+ Details

Name:	fmx_PercentageOfDividendPaid
Namespace Prefix:	fmx_
Data Type:	dtr-types1:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Share Repurchase Program, Shares Reacquired

+ References

No definition available.

+ Details

Name:	fmx_ShareRepurchaseProgramSharesReacquired
Namespace Prefix:	fmx_
Data Type:	xbrli:sharesItemType
Balance Type:	na
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_DisclosureOfClassesOfShareCapitalLineItems
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The amount of dividends that the company has declared but not yet paid.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2024-01-01
-Paragraph 55
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_55&doctype=Standard
-URIDate 2024-03-27

+ Details

Name:	ifrs-full_DividendPayables
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

The number of shares issued by the entity.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2024-01-01
-Paragraph 106
-Subparagraph d
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_106_d&doctype=Standard
-URIDate 2024-03-27

+ Details

Name:	ifrs-full_NumberOfSharesIssued
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The number of shares that have been authorised and issued, reduced by treasury shares held. [Refer: Treasury shares]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2024-01-01
-Paragraph 79
-Subparagraph a
-Clause iv
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_79_a_iv&doctype=Standard
-URIDate 2024-03-27

+ Details

Name:	ifrs-full_NumberOfSharesOutstanding
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

X

- Definition

A component of equity representing reserves created based on legal requirements.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2024-01-01
-Paragraph 55
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_55&doctype=Standard
-URIDate 2024-03-27

+ Details

Name:	ifrs-full_StatutoryReserve
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Details

Name:	ifrs-full_ComponentsOfEquityAxis=fmx_BUnits.Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_ComponentsOfEquityAxis=fmx_BDUnits.Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_ClassesOfShareCapitalAxis=ifrs-full_OrdinarySharesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_NonadjustingEventsAfterReportingPeriodAxis=fmx_DividendTransactionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_ComponentsOfEquityAxis=ifrs-full_NoncontrollingInterestsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_CategoriesOfRelatedPartiesAxis=fmx_CocaColaFEMSAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: