XML 152 R129.htm IDEA: XBRL DOCUMENT
v3.20.4

Non-controlling interests - Cash flows (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
Disclosure of subsidiaries [line items] |  |
Cash flows from (used in) operating activities | $ 461,082 | $ 515,431
Cash flows from (used in) financing activities | 234,059 | (104,053)
Cash flows from (used in) investing activities | (278,063) | (250,692)
Methanex Egypt |  |
Disclosure of subsidiaries [line items] |  |
Cash flows from (used in) operating activities | 145,672 | 68,022
Cash flows from (used in) financing activities | (96,052) | (74,675)
Cash flows from (used in) investing activities | (5,309) | (8,859)
Vessels |  |
Disclosure of subsidiaries [line items] |  |
Cash flows from (used in) operating activities | 24,951 | 24,267
Cash flows from (used in) financing activities | (17,344) | (21,606)
Cash flows from (used in) investing activities | (7,788) | (3,723)
Total |  |
Disclosure of subsidiaries [line items] |  |
Cash flows from (used in) operating activities | 170,623 | 92,289
Cash flows from (used in) financing activities | (113,396) | (96,281)
Cash flows from (used in) investing activities | $ (13,097) | $ (12,582)

X
- Definition The cash flows from (used in) financing activities, which are activities that result in changes in the size and composition of the contributed equity and borrowings of the entity. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2020-01-01 -Paragraph 10 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2020-en-r&anchor=para_10&doctype=Standard -URIDate 2020-01-01 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2020-01-01 -Paragraph 50 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2020-en-r&anchor=para_50_d&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_CashFlowsFromUsedInFinancingActivities
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The cash flows from (used in) investing activities, which are the acquisition and disposal of long-term assets and other investments not included in cash equivalents. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2020-01-01 -Paragraph 10 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2020-en-r&anchor=para_10&doctype=Standard -URIDate 2020-01-01 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2020-01-01 -Paragraph 50 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2020-en-r&anchor=para_50_d&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_CashFlowsFromUsedInInvestingActivities
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The cash flows from (used in) operating activities, which are the principal revenue-producing activities of the entity and other activities that are not investing or financing activities. [Refer: Revenue] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2020-01-01 -Paragraph 10 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2020-en-r&anchor=para_10&doctype=Standard -URIDate 2020-01-01 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2020-01-01 -Paragraph 50 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2020-en-r&anchor=para_50_d&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_CashFlowsFromUsedInOperatingActivities
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
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 domain members defined in one or many axes of the table. + References No definition available. + Details
Name: | ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=mx_EgyptianMethanexMethanolCompanyS.A.E.MethanexEgyptMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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