XML 143 R125.htm IDEA: XBRL DOCUMENT
v3.21.1

CONTINGENCIES, COMMITMENTS AND RESTRICTIONS ON THE DISTRIBUTION OF PROFITS (Fishermen association claims, Tax assessment relating to the use of certain ICMS tax credits) (Details) - USD ($) $ in Thousands |  | 12 Months Ended |
--- | --- | --- | ---
Sep. 07, 2017 | Dec. 31, 2020 | Dec. 31, 2019
Disclosure of contingent liabilities [line items] |  |  |
Asset recognised for expected reimbursement, contingent liabilities in business combination |  | $ 0 | $ 254,446
Gain from derecognition of contingent liabilities |  | 186,000 |
Thyssenkrupp Slab International B.V. & CSA Siderúrgica do Atlântico Ltda. |  |  |
Disclosure of contingent liabilities [line items] |  |  |
Tax benefit recognised as of acquisition date | $ 1,089,000 |  |
Acquisitions through business combinations, other provisions | 651,800 |  |
Asset recognised for expected reimbursement, contingent liabilities in business combination | 325,900 | 194,100 | 254,400
Contingent liabilities recognised in business combination |  | 380,100 | 508,900
Thyssenkrupp Slab International B.V. & CSA Siderúrgica do Atlântico Ltda. | Other environment related provision |  |  |
Disclosure of contingent liabilities [line items] |  |  |
Other provisions | 24,500 | 10,900 | 14,100
Thyssenkrupp Slab International B.V. & CSA Siderúrgica do Atlântico Ltda. | Legal proceedings contingent liability |  |  |
Disclosure of contingent liabilities [line items] |  |  |
Other provisions | $ 57,700 | $ 34,900 | $ 45,000

X
- Definition The increase in other provisions resulting from acquisitions through business combinations. [Refer: Business combinations [member]; Other provisions] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 37 -IssueDate 2020-01-01 -Paragraph 84 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=37&code=ifrs-tx-2020-en-r&anchor=para_84&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_AcquisitionsThroughBusinessCombinationsOtherProvisions
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of assets that have been recognised for the expected reimbursement of contingent liabilities recognised in a business combination. [Refer: Contingent liabilities [member]; Expected reimbursement, contingent liabilities in business combination; Business combinations [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 3 -IssueDate 2020-01-01 -Paragraph B67 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2020-en-r&anchor=para_B67_c&doctype=Appendix&subtype=B -URIDate 2020-01-01 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 3 -IssueDate 2020-01-01 -Paragraph B64 -Subparagraph j -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2020-en-r&anchor=para_B64_j&doctype=Appendix&subtype=B -URIDate 2020-01-01 + Details
Name: | ifrs-full_AssetRecognisedForExpectedReimbursementContingentLiabilitiesInBusinessCombination
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of contingent liabilities recognised in a business combination. [Refer: Contingent liabilities [member]; Business combinations [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 3 -IssueDate 2020-01-01 -Paragraph B67 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2020-en-r&anchor=para_B67_c&doctype=Appendix&subtype=B -URIDate 2020-01-01 + Details
Name: | ifrs-full_ContingentLiabilitiesRecognisedInBusinessCombination
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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_DisclosureOfContingentLiabilitiesLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of provisions other than provisions for employee benefits. [Refer: Provisions] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 37 -IssueDate 2020-01-01 -Paragraph 84 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=37&code=ifrs-tx-2020-en-r&anchor=para_84_a&doctype=Standard -URIDate 2020-01-01 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 78 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_78_d&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_OtherProvisions
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Gain (Loss) From Derecognition of Contingent Liabilities + References No definition available. + Details
Name: | tx_GainLossFromDerecognitionOfContingentLiabilities
Namespace Prefix: | tx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Tax benefit recognised as of acquisition date + References No definition available. + Details
Name: | tx_Taxbenefitrecognisedasofacquisitiondate
Namespace Prefix: | tx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | ifrs-full_BusinessCombinationsAxis=tx_ThyssenkruppSlabInternationalB.V.CSASiderrgicadoAtlnticoLtda.Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfProvisionsAxis=ifrs-full_OtherEnvironmentRelatedProvisionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfProvisionsAxis=ifrs-full_LegalProceedingsContingentLiabilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |