XML 258 R164.htm IDEA: XBRL DOCUMENT
v3.25.0.1

EQUITY - Schedule of conversion option is exercised under the convertible notes currently issued (Details) - shares | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
N° of authorized shares |  |
Disclosure of classes of share capital [line items] |  |
Opening balance (in shares) | 604,441,789,335 | 606,407,693,000
Reduction of full right (in shares) | 0 | (1,965,903,665)
Subtotal (in shares) | 0 | (1,965,903,665)
Closing balance (in shares) | 604,441,789,335 | 604,441,789,335
N° of authorized shares | Convertible Notes H |  |
Disclosure of classes of share capital [line items] |  |
Convertible notes H (in shares) | 0 | 0
N° of Subscribed of shares and paid or delivered pursuant to the exercise of the conversion option |  |
Disclosure of classes of share capital [line items] |  |
Opening balance (in shares) | 604,437,877,587 | 604,437,584,048
Reduction of full right (in shares) | 0 | 0
Subtotal (in shares) | 0 | 293,539
Closing balance (in shares) | 604,437,877,587 | 604,437,877,587
N° of Subscribed of shares and paid or delivered pursuant to the exercise of the conversion option | Convertible Notes H |  |
Disclosure of classes of share capital [line items] |  |
Convertible notes H (in shares) | 0 | 293,539
N° of convertible notes back-up shares pending to place |  |
Disclosure of classes of share capital [line items] |  |
Opening balance (in shares) | 3,911,748 | 4,205,287
Reduction of full right (in shares) | 0 | 0
Subtotal (in shares) | 0 | (293,539)
Closing balance (in shares) | 3,911,748 | 3,911,748
N° of convertible notes back-up shares pending to place | Convertible Notes H |  |
Disclosure of classes of share capital [line items] |  |
Convertible notes H (in shares) | 0 | (293,539)
N° of shares to subscribe or not used |  |
Disclosure of classes of share capital [line items] |  |
Opening balance (in shares) | 0 | 1,965,903,665
Reduction of full right (in shares) | 0 | (1,965,903,665)
Subtotal (in shares) | 0 | (1,965,903,665)
Closing balance (in shares) | 0 | 0
N° of shares to subscribe or not used | Convertible Notes H |  |
Disclosure of classes of share capital [line items] |  |
Convertible notes H (in shares) | 0 | 0

X
- 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
Name: | ifrs-full_DisclosureOfClassesOfShareCapitalLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Conversion Option Exercised Shares + References No definition available. + Details
Name: | ltm_ConversionOptionExercisedShares
Namespace Prefix: | ltm_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Convertible Notes Shares + References No definition available. + Details
Name: | ltm_ConvertibleNotesShares
Namespace Prefix: | ltm_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Reduction of Full Right of Convertible Notes + References No definition available. + Details
Name: | ltm_ReductionOfFullRightOfConvertibleNotes
Namespace Prefix: | ltm_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Subtotal Shares + References No definition available. + Details
Name: | ltm_SubtotalShares
Namespace Prefix: | ltm_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | ltm_CapitalTransactionAxis=ltm_NumberOfAuthorizedSharesMemberMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfShareCapitalAxis=ltm_ConvertibleNotesHMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ltm_CapitalTransactionAxis=ltm_NOfSubscribedOfSharesAndPaidOrDeliveredPursuantToTheExerciseOfTheConversionOptionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ltm_CapitalTransactionAxis=ltm_NOfConvertibleNotesBackUpSharesPendingToPlaceMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ltm_CapitalTransactionAxis=ltm_NOfSharesToSubscribeOrNotUsedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |