XML 160 R9999.htm IDEA: XBRL DOCUMENT v3.20.1
Label Element Value
Cumulative Effect of New Accounting Principle in Period of Adoption1 mx_CumulativeEffectofNewAccountingPrincipleinPeriodofAdoption1 $ (37,868,000)
Increase Decrease Due To Application Of IFRS 16 [Member]  
Deferred tax liability (asset) ifrs-full_DeferredTaxLiabilityAsset (4,529,000)
Deferred tax liabilities ifrs-full_DeferredTaxLiabilities (3,996,000)
Deferred tax assets ifrs-full_DeferredTaxAssets 533,000
Lease liabilities [member]  
Liabilities arising from financing activities ifrs-full_LiabilitiesArisingFromFinancingActivities 652,642,000
Long-term borrowings [member]  
Liabilities arising from financing activities ifrs-full_LiabilitiesArisingFromFinancingActivities 1,458,286,000
Retained earnings [member]  
Cumulative Effect of New Accounting Principle in Period of Adoption1 mx_CumulativeEffectofNewAccountingPrincipleinPeriodofAdoption1 (34,513,000)
Non-controlling interests [member]  
Cumulative Effect of New Accounting Principle in Period of Adoption1 mx_CumulativeEffectofNewAccountingPrincipleinPeriodofAdoption1 (3,355,000)
Equity attributable to owners of parent [member]  
Cumulative Effect of New Accounting Principle in Period of Adoption1 mx_CumulativeEffectofNewAccountingPrincipleinPeriodofAdoption1 (34,513,000)
Accumulated depreciation and amortisation [member]  
Property, plant and equipment ifrs-full_PropertyPlantAndEquipment (2,107,937,000)
Property, plant and equipment ifrs-full_PropertyPlantAndEquipment (2,213,353,000)
Right-of-use assets ifrs-full_RightofuseAssets (33,927,000)
Accumulated depreciation and amortisation [member] | Ships [member]  
Property, plant and equipment ifrs-full_PropertyPlantAndEquipment (40,427,000)
Property, plant and equipment ifrs-full_PropertyPlantAndEquipment (48,426,000)
Accumulated depreciation and amortisation [member] | Buildings, Plant Installations And Machinery [Member]  
Property, plant and equipment ifrs-full_PropertyPlantAndEquipment (1,956,317,000)
Property, plant and equipment ifrs-full_PropertyPlantAndEquipment (2,047,735,000)
Accumulated depreciation and amortisation [member] | Other property, plant and equipment [member]  
Property, plant and equipment ifrs-full_PropertyPlantAndEquipment (111,193,000)
Property, plant and equipment ifrs-full_PropertyPlantAndEquipment (117,192,000)
Accumulated depreciation and amortisation [member] | Construction in progress [member]  
Property, plant and equipment ifrs-full_PropertyPlantAndEquipment 0
Property, plant and equipment ifrs-full_PropertyPlantAndEquipment 0
Accumulated depreciation and amortisation [member] | Terminals and tanks [Member]  
Right-of-use assets ifrs-full_RightofuseAssets (20,777,000)
Accumulated depreciation and amortisation [member] | Buildings, Plant Installations And Machinery [Member]  
Right-of-use assets ifrs-full_RightofuseAssets (3,799,000)
Accumulated depreciation and amortisation [member] | Other property, plant and equipment [member]  
Right-of-use assets ifrs-full_RightofuseAssets 0
Accumulated depreciation and amortisation [member] | Ships [member]  
Right-of-use assets ifrs-full_RightofuseAssets $ (9,351,000)