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INVESTMENTS IN SUBSIDIARIES (Details 3) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Disclosure of subsidiaries [line items] |  |  |  |
Total | $ 31,312 | $ 45,410 | $ 41,450 |
Lan Peru S.A. [Member] |  |  |  |
Disclosure of subsidiaries [line items] |  |  |  |
Tax No . | Foreign |  |  |
Country of origin | Peru |  |  |
Lan Argentina S.A. [Member] |  |  |  |
Disclosure of subsidiaries [line items] |  |  |  |
Country of origin | Argentina |  |  |
Non-Controlling Interest [Member] |  |  |  |
Disclosure of subsidiaries [line items] |  |  |  |
Total |  | $ 45,410 | $ 31,312 | $ 41,450
Non-Controlling Interest [Member] | Lan Peru S.A. [Member] |  |  |  |
Disclosure of subsidiaries [line items] |  |  |  |
Tax No . | 0 - E |  |  |
Country of origin | Peru |  |  |
Percentage of income attributable to subsidiaries | 30.00% | 30.00% | 30.00% |
Total | $ 1,012 | $ 360 | $ (649) |
Non-Controlling Interest [Member] | Lan Cargo S.A. And Subsidiaries [Member] |  |  |  |
Disclosure of subsidiaries [line items] |  |  |  |
Tax No . | 93.383.000-4 |  |  |
Country of origin | Chile |  |  |
Percentage of income attributable to subsidiaries | 0.10196% | 0.10196% | 0.10196% |
Total | $ (395) | $ (4) | $ (7) |
Non-Controlling Interest [Member] | Promotora Aerea Latinoamericana S.A. and Subsidiaries [Member] |  |  |  |
Disclosure of subsidiaries [line items] |  |  |  |
Tax No . | 0 - E |  |  |
Country of origin | Mexico |  |  |
Percentage of income attributable to subsidiaries | 0.00% | 51.00% | 51.00% |
Total |  | $ 1,416 | $ 96 |
Non-Controlling Interest [Member] | Inversora Cordillera S.A. and Subsidiaries [Member] |  |  |  |
Disclosure of subsidiaries [line items] |  |  |  |
Tax No . | 0 - E |  |  |
Country of origin | Argentina |  |  |
Percentage of income attributable to subsidiaries | 0.1394% | 0.1394% | 0.7042% |
Total | $ 183 | $ 117 | $ 364 |
Non-Controlling Interest [Member] | Lan Argentina S.A. [Member] |  |  |  |
Disclosure of subsidiaries [line items] |  |  |  |
Tax No . | 0 - E |  |  |
Country of origin | Argentina |  |  |
Percentage of income attributable to subsidiaries | 0.0289% | 0.0284% | 0.1344% |
Total | $ 39 | $ 24 | $ 77 |
Non-Controlling Interest [Member] | Americonsult de Guatemala S.A. [Member] |  |  |  |
Disclosure of subsidiaries [line items] |  |  |  |
Tax No . | 0 - E |  |  |
Country of origin | Guatemala |  |  |
Percentage of income attributable to subsidiaries | 1.00% | 1.00% | 1.00% |
Total |  |  | $ (4) |
Non-Controlling Interest [Member] | Americonsult S.A. and Subsidiaries [Member] |  |  |  |
Disclosure of subsidiaries [line items] |  |  |  |
Tax No . | 0 - E |  |  |
Country of origin | Mexico |  |  |
Percentage of income attributable to subsidiaries | 0.20% | 0.20% | 0.00% |
Total | $ 2 |  |  |
Non-Controlling Interest [Member] | Linea Aerea Carguera de Colombiana S.A. [Mmeber] |  |  |  |
Disclosure of subsidiaries [line items] |  |  |  |
Tax No . | 0 - E |  |  |
Country of origin | Colombia |  |  |
Percentage of income attributable to subsidiaries | 10.00% | 10.00% | 10.00% |
Total | $ 58 | $ 398 | $ (106) |
Non-Controlling Interest [Member] | Aerolineas Regionales de Integracion Aires S.A. [Member] |  |  |  |
Disclosure of subsidiaries [line items] |  |  |  |
Tax No . | 0 - E |  |  |
Country of origin | Colombia |  |  |
Percentage of income attributable to subsidiaries | 0.7988% | 0.8094% | 0.8094% |
Total | $ (41) | $ 4 | $ (140) |
Non-Controlling Interest [Member] | Transportes Aereos del Mercosur S.A. [Member] |  |  |  |
Disclosure of subsidiaries [line items] |  |  |  |
Tax No . | 0 - E |  |  |
Country of origin | Paraguay |  |  |
Percentage of income attributable to subsidiaries | 5.02% | 5.02% | 5.02% |
Total | $ 717 | $ 299 | $ 146 |
Non-Controlling Interest [Member] | Multiplus S.A. [Member] |  |  |  |
Disclosure of subsidiaries [line items] |  |  |  |
Tax No . | 0 - E |  |  |
Country of origin | Brazil |  |  |
Percentage of income attributable to subsidiaries | 27.26% | 27.26% | 27.26% |
Total | $ 29,737 | $ 42,796 | $ 41,673 |

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