XML 66 R51.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Bonus Programs/Share-based payments - Long-Term Variable Award (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2017
Text block1 [abstract] |
Summary of Number of Shares Held by the Trust | As of December 31, 2017 and 2016, the number of shares held by the trust associated with the Company’s share based payment plans is as follows:
|  | Number of Shares |
|  | FEMSA UBD |  |  | KOFL |
|  | 2017 |  |  | 2016 |  |  | 2017 |  |  | 2016 |
Beginning balance |  |  | 3,625,171 |  |  |  | 4,246,792 |  |  |  | 1,068,327 |  |  |  | 1,160,311 |
Shares acquired by the administrative trust to employees |  |  | 1,311,599 |  |  |  | 2,375,196 |  |  |  | 344,770 |  |  |  | 695,487 |
Shares released from administrative trust to employees upon vesting |  |  | (1,991,561 | ) |  |  | (2,996,817 | ) |  |  | (477,198 | ) |  |  | (787,471 | )
Forfeitures |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Ending balance |  |  | 2,945,209 |  |  |  | 3,625,171 |  |  |  | 935,899 |  |  |  | 1,068,327 |

X
- Definition Text block1 [abstract] + References No definition available. + Details
Name: | fmx_TextBlock1Abstract
Namespace Prefix: | fmx_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The disclosure of the general terms and conditions of share-based payment arrangements. [Refer: Share-based payment arrangements [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2017-01-01 -Paragraph 45 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2017-03-01&anchor=para_45&doctype=Standard -URIDate 2017-03-09 + Details
Name: | ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementExplanatory
Namespace Prefix: | ifrs-full_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration