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OTHER OPERATING INCOME (EXPENSES), NET - Footnote (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Other operating income (expenses), net [Abstract] |  |  |
Recovery of provision related to the ICMS action of unconstitutionality | $ 0 | $ 380,075,000 | $ 0
Reversal of the asset in connection with the ICMS provision | 0 | $ 194,065,000 | $ 0
Recovery of tax credits | $ 27,200,000 |  |

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- Definition Other operating income (expenses), net [Abstract] + References No definition available. + Details
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- Definition Recovery of Provision Related to the Action of Unconstitutionality + References No definition available. + Details
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Namespace Prefix: | tx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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- Definition Recovery of Tax Credits + References No definition available. + Details
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Namespace Prefix: | tx_
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Balance Type: | debit
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- Definition Reversal of the Asset in Connection with the Provision + References No definition available. + Details
Name: | tx_ReversalOfTheAssetInConnectionWithTheProvision
Namespace Prefix: | tx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration