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v3.22.1

OTHER NON-FINANCIAL ASSETS (Details) $ in Thousands | Dec. 31, 2020 USD ($)
--- | ---
Aircraft [member] |
OTHER NON-FINANCIAL ASSETS (Details) [Line Items] |
Reserve maintainance | $ 8,613

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- Definition A component of equity representing reserves within equity, not including retained earnings. [Refer: Retained earnings] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 78 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_78_e&doctype=Standard -URIDate 2021-03-24 + Details
Name: | ifrs-full_OtherReserves
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

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- Details
Name: | ifrs-full_PropertyPlantAndEquipmentByOperatingLeaseStatusAxis=ifrs-full_AircraftMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |