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v3.22.1

EMPLOYEE BENEFITS (Details) | 12 Months Ended
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Dec. 31, 2021
Disclosure of employee benefits [text block] [Abstract] |
Discount rate term year | 20 years

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- References No definition available. + Details
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Namespace Prefix: | ltm_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Discount Rate Term. + References No definition available. + Details
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Namespace Prefix: | ltm_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration