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INVESTMENTS IN SUBSIDIARIES - Schedule of significant subsidiaries (Details) | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
LATAM Airlines Perú S.A. |  |  |
Investments In Subsidiaries [Line Items] |  |  |
Ownership | 99.81% | 99.81% | 99.81%
Lan Cargo S.A. |  |  |
Investments In Subsidiaries [Line Items] |  |  |
Ownership | 99.8981% | 99.8981% | 99.8981%
Línea Aérea Carguera de Colombia S.A. |  |  |
Investments In Subsidiaries [Line Items] |  |  |
Ownership | 90.46% | 90.46% |
Transporte Aéreo S.A. |  |  |
Investments In Subsidiaries [Line Items] |  |  |
Ownership | 100.00% | 100.00% | 100.00%
Latam Airlines Ecuador S.A. |  |  |
Investments In Subsidiaries [Line Items] |  |  |
Ownership | 100.00% | 100.00% |
Aerovías de Integración Regional S.A. Aires S.A. |  |  |
Investments In Subsidiaries [Line Items] |  |  |
Ownership | 99.23168% | 99.21764% |
TAM Linhas aéreas S.A. |  |  |
Investments In Subsidiaries [Line Items] |  |  |
Ownership | 100.00% | 99.99935% |
ABSA Aerolimhas Brasileiras S.A. |  |  |
Investments In Subsidiaries [Line Items] |  |  |
Ownership | 100.00% | 100.00% |
Transportes Aéreos del Mercosur S.A. |  |  |
Investments In Subsidiaries [Line Items] |  |  |
Ownership | 94.98% | 94.98% |

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- Definition The proportion of ownership interest in a subsidiary attributable to the entity. [Refer: Subsidiaries [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2023-01-01 -Paragraph 17 -Subparagraph b -Clause iii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2023-en-r&anchor=para_17_b_iii&doctype=Standard -URIDate 2023-03-23 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2023-01-01 -Paragraph 16 -Subparagraph b -Clause iii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2023-en-r&anchor=para_16_b_iii&doctype=Standard -URIDate 2023-03-23 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2023-01-01 -Paragraph 19B -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2023-en-r&anchor=para_19B_c&doctype=Standard -URIDate 2023-03-23 + Details
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