XML 161 R138.htm IDEA: XBRL DOCUMENT v3.25.0.1

New Zealand gas sale proceeds (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Oil and Gas Assets [Abstract]
New Zealand gas sale net proceeds	$ 102,969	$ 0

X

- Definition

The amount of revenue arising from the sale of oil and gas products. [Refer: Revenue]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2024-01-01
-Paragraph 112
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_112_c&doctype=Standard
-URIDate 2024-03-27

+ Details

Name:	ifrs-full_RevenueFromSaleOfOilAndGasProducts
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Oil and Gas Assets

+ References

No definition available.

+ Details

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