XML 162 R147.htm IDEA: XBRL DOCUMENT
v3.19.1

FINANCIAL RISK MANAGEMENT (Financial assets and liabilities at fair value) (Details) - USD ($) $ in Thousands | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | ---
Disclosure of fair value measurement of assets [line items] |  |
Financial assets, at fair value | $ 178,673 | $ 338,144
Financial liabilities, at fair value | 12,981 | 6,001
Level 1 |  |
Disclosure of fair value measurement of assets [line items] |  |
Financial assets, at fair value | 177,085 | 335,840
Financial liabilities, at fair value | 0 | 0
Level 2 |  |
Disclosure of fair value measurement of assets [line items] |  |
Financial assets, at fair value | 1,588 | 2,304
Financial liabilities, at fair value | 12,981 | 6,001
Cash and cash equivalents |  |
Disclosure of fair value measurement of assets [line items] |  |
Financial assets, at fair value | 140,455 | 236,335
Cash and cash equivalents | Level 1 |  |
Disclosure of fair value measurement of assets [line items] |  |
Financial assets, at fair value | 140,455 | 236,335
Cash and cash equivalents | Level 2 |  |
Disclosure of fair value measurement of assets [line items] |  |
Financial assets, at fair value | 0 | 0
Other investments |  |
Disclosure of fair value measurement of assets [line items] |  |
Financial assets, at fair value | 36,630 | 99,505
Other investments | Level 1 |  |
Disclosure of fair value measurement of assets [line items] |  |
Financial assets, at fair value | 36,630 | 99,505
Other investments | Level 2 |  |
Disclosure of fair value measurement of assets [line items] |  |
Financial assets, at fair value | 0 | 0
Derivatives |  |
Disclosure of fair value measurement of assets [line items] |  |
Financial assets, at fair value | 1,588 | 2,304
Derivatives | Level 1 |  |
Disclosure of fair value measurement of assets [line items] |  |
Financial assets, at fair value | 0 | 0
Derivatives | Level 2 |  |
Disclosure of fair value measurement of assets [line items] |  |
Financial assets, at fair value | 1,588 | 2,304
Derivatives |  |
Disclosure of fair value measurement of assets [line items] |  |
Financial liabilities, at fair value | 12,981 | 6,001
Derivatives | Level 1 |  |
Disclosure of fair value measurement of assets [line items] |  |
Financial liabilities, at fair value | 0 | 0
Derivatives | Level 2 |  |
Disclosure of fair value measurement of assets [line items] |  |
Financial liabilities, at fair value | $ 12,981 | $ 6,001

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

X
- Definition The fair value of financial assets. [Refer: At fair value [member]; Financial assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2017-01-01 -Paragraph 25 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=7&date=2017-03-01&anchor=para_25&doctype=Standard -URIDate 2017-03-09 + Details
Name: | ifrs-full_FinancialAssetsAtFairValue
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The fair value of financial liabilities. [Refer: At fair value [member]; Financial liabilities] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2017-01-01 -Paragraph 25 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=7&date=2017-03-01&anchor=para_25&doctype=Standard -URIDate 2017-03-09 + Details
Name: | ifrs-full_FinancialLiabilitiesAtFairValue
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | ifrs-full_LevelsOfFairValueHierarchyAxis=ifrs-full_Level1OfFairValueHierarchyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_LevelsOfFairValueHierarchyAxis=ifrs-full_Level2OfFairValueHierarchyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfFinancialAssetsAxis=tx_CashAndCashEquivalents1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfFinancialAssetsAxis=tx_OtherInvestments1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfFinancialAssetsAxis=ifrs-full_DerivativesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfLiabilitiesAxis=ifrs-full_DerivativesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |