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v3.22.1

CONTINGENCIES (Details) $ in Thousands | Mar. 18, 2020 USD ($)
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Disclosure of contingent liabilities [text block] [Abstract] |
Shipping fees | $ 5,165
Additional amount | $ 565

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- References No definition available. + Details
Name: | ltm_AdditionalAmount
Namespace Prefix: | ltm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

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- References No definition available. + Details
Name: | ltm_ShippingFees
Namespace Prefix: | ltm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration