XML 24 R34.htm IDEA: XBRL DOCUMENT v3.20.1

Subsequent events Subsequent events	12 Months Ended
	Dec. 31, 2019
Disclosure of events after reporting period [Abstract]
Subsequent events	Subsequent events: In March 2020, the Company announced the idling of its Titan plant effective March 16, 2020 and its Chile IV plant effective April 1, 2020 for an indefinite period. Both the Titan and Chile IV plants are adjacent to plants with continuing operations and are operated and managed by Methanex teams that continue to serve each site.

X

- Definition

The entire disclosure for events after the reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 10
-IssueDate 2019-01-01
-Section Disclosure
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=10&code=ifrs-tx-2019-en-r&doctype=Standard&dita_xref=IAS10_g17-22_TI
-URIDate 2019-03-27

+ Details

Name:	ifrs-full_DisclosureOfEventsAfterReportingPeriodExplanatory
Namespace Prefix:	ifrs-full_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Disclosure of events after reporting period [Abstract]

+ References

No definition available.

+ Details

Name:	mx_DisclosureofeventsafterreportingperiodAbstract
Namespace Prefix:	mx_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration