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INVESTMENTS IN SUBSIDIARIES (Details 2) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Disclosure of subsidiaries [line items] |  |  |
Total | $ 91,147 | $ 88,644 |
Lan Peru S.A. [Member] |  |  |
Disclosure of subsidiaries [line items] |  |  |
Tax No . | Foreign |  |
Country of origin | Peru | Peru |
Percentage of equity ownwrship | 70.00% | 70.00% | 70.00%
Lan Cargo S.A. [Member] |  |  |
Disclosure of subsidiaries [line items] |  |  |
Tax No . | 93.383.000-4 |  |
Country of origin | Chile | Chile |
Percentage of equity ownwrship | 99.898% | 99.898% | 99.898%
Lan Argentina S.A. [Member] |  |  |
Disclosure of subsidiaries [line items] |  |  |
Country of origin | Argentina | Argentina |
Percentage of equity ownwrship | 99.8656% | 99.8656% |
Aerolane Lineas Aereas Nacionales del Ecuador S.A. [Member] |  |  |
Disclosure of subsidiaries [line items] |  |  |
Country of origin | Ecuador | Ecuador |
Percentage of equity ownwrship | 100.00% | 100.00% |
Non-Controlling Interest [Member] |  |  |
Disclosure of subsidiaries [line items] |  |  |
Total | $ 91,147 | $ 88,644 |
Non-Controlling Interest [Member] | Lan Peru S.A. [Member] |  |  |
Disclosure of subsidiaries [line items] |  |  |
Tax No . | 0 - E | 0 - E | 0 - E
Country of origin | Peru | Peru | Peru
Percentage of equity ownwrship | 30.00% | 30.00% |
Total | $ 3,722 | $ 3,360 |
Non-Controlling Interest [Member] | Lan Cargo S.A. [Member] |  |  |
Disclosure of subsidiaries [line items] |  |  |
Tax No . | 93.383.000 - 4 | 93.383.000 - 4 | 93.383.000 - 4
Country of origin | Chile | Chile | Chile
Percentage of equity ownwrship | 0.10196% | 0.10196% |
Total | $ 849 | $ 957 |
Non-Controlling Interest [Member] | Promotora Aerea Latinoamericana S.A. and Subsidiaries [Member] |  |  |
Disclosure of subsidiaries [line items] |  |  |
Tax No . | 0 - E | 0 - E | 0 - E
Country of origin | Mexico | Mexico | Mexico
Percentage of equity ownwrship | 51.00% | 51.00% |
Total | $ 4,578 | $ 3,162 |
Non-Controlling Interest [Member] | Inversora Cordillera S.A. and Subsidiaries [Member] |  |  |
Disclosure of subsidiaries [line items] |  |  |
Tax No . | 0 - E | 0 - E | 0 - E
Country of origin | Argentina | Argentina | Argentina
Percentage of equity ownwrship | 0.1394% | 70.422% |
Total | $ 3,502 | $ 515 |
Non-Controlling Interest [Member] | Lan Argentina S.A. [Member] |  |  |
Disclosure of subsidiaries [line items] |  |  |
Tax No . | 0 - E | 0 - E | 0 - E
Country of origin | Argentina | Argentina | Argentina
Percentage of equity ownwrship | 0.02842% | 0.1344% |
Total | $ 79 | $ (311) |
Non-Controlling Interest [Member] | Americonsult de Guatemala S.A. [Member] |  |  |
Disclosure of subsidiaries [line items] |  |  |
Tax No . | 0 - E | 0 - E | 0 - E
Country of origin | Guatemala | Guatemala | Guatemala
Percentage of equity ownwrship | 1.00% | 1.00% |
Total | $ 1 | $ 1 |
Non-Controlling Interest [Member] | Americonsult Costa Rica S.A. [Member] |  |  |
Disclosure of subsidiaries [line items] |  |  |
Tax No . | 0 - E | 0 - E | 0 - E
Country of origin | Costa Rica | Costa Rica | Costa Rica
Percentage of equity ownwrship | 1.00% | 1.00% |
Total | $ 12 | $ 12 |
Non-Controlling Interest [Member] | Linea Aerea Carguera de Colombiana S.A. [Mmeber] |  |  |
Disclosure of subsidiaries [line items] |  |  |
Tax No . | 0 - E | 0 - E | 0 - E
Country of origin | Colombia | Colombia | Colombia
Percentage of equity ownwrship | 10.00% | 10.00% |
Total | $ (520) | $ (905) |
Non-Controlling Interest [Member] | Aerolane Lineas Aereas Nacionales del Ecuador S.A. [Member] |  |  |
Disclosure of subsidiaries [line items] |  |  |
Tax No . | 0 - E | 0 - E |
Country of origin | Colombia | Colombia |
Percentage of equity ownwrship | 0.8094% | 0.8094% |
Total | $ 461 | $ 436 |
Non-Controlling Interest [Member] | Transportes Aereos del Mercosur S.A. [Member] |  |  |
Disclosure of subsidiaries [line items] |  |  |
Tax No . | 0 - E | 0 - E | 0 - E
Country of origin | Paraguay | Paraguay | Paraguay
Percentage of equity ownwrship | 5.02% | 5.02% |
Total | $ 1,324 | $ 1,104 |
Non-Controlling Interest [Member] | Multiplus S.A. [Member] |  |  |
Disclosure of subsidiaries [line items] |  |  |
Tax No . | 0 - E | 0 - E | 0 - E
Country of origin | Brazil | Brazil | Brazil
Percentage of equity ownwrship | 27.26% | 27.26% |
Total | $ 77,139 | $ 80,313 |

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