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ACCOUNTS RECEIVABLE FROM/PAYABLE TO RELATED ENTITIES - Narrative (Details) | 12 Months Ended
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Dec. 31, 2024
Bottom of range |
Disclosure of transactions between related parties [line items] |
Related party term of liability | 30 days
Top of range |
Disclosure of transactions between related parties [line items] |
Related party term of liability | 1 year

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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. + References No definition available. + Details
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Period Type: | duration

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- Definition Related Party, Term of Liability + References No definition available. + Details
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Namespace Prefix: | ltm_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_RangeAxis=ifrs-full_TopOfRangeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |