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INVESTMENTS IN SUBSIDIARIES (Details 1) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Disclosure of subsidiaries [line items] |  |  |  |  |
Assets |  | $ 18,797,972 | $ 19,198,194 |  |
Current Assets |  | 3,745,499 | 3,626,775 |  |
Non-current Assets |  | 15,052,473 | 15,571,419 |  |
Total liabilities |  | 14,530,736 | 15,012,890 |  |
Current Liabilities |  | 5,842,714 | 6,222,191 |  |
Non-current Liabilities |  | 8,688,022 | 8,790,699 |  |
Revenue |  | 9,613,907 | 8,988,340 | $ 9,740,045 |
Net income (loss) for the year |  | 200,714 | 110,670 | (178,732) |
Lan Peru S.A. [Member] |  |  |  |  |
Disclosure of subsidiaries [line items] |  |  |  |  |
Assets |  | 315,607 | 306,111 | 255,691 |
Current Assets |  | 294,308 | 283,691 | 232,547 |
Non-current Assets |  | 21,299 | 22,420 | 23,144 |
Total liabilities |  | 303,204 | 294,912 | 240,938 |
Current Liabilities |  | 301,476 | 293,602 | 239,521 |
Non-current Liabilities |  | 1,728 | 1,310 | 1,417 |
Revenue |  | 1,046,423 | 967,787 | 1,078,992 |
Net income (loss) for the year |  | 1,205 | (2,164) | 5,068 |
Lan Cargo S.A. [Member] |  |  |  |  |
Disclosure of subsidiaries [line items] |  |  |  |  |
Assets |  | 584,169 | 480,908 | 483,033 |
Current Assets |  | 266,836 | 144,309 | 159,294 |
Non-current Assets |  | 317,333 | 336,599 | 323,739 |
Total liabilities |  | 371,934 | 239,728 | 217,037 |
Current Liabilities |  | 292,529 | 211,395 | 147,423 |
Non-current Liabilities |  | 79,405 | 28,333 | 69,614 |
Revenue |  | 264,544 | 266,296 | 278,117 |
Net income (loss) for the year |  | (30,220) | (24,813) | (74,408) |
Lan Argentina S.A. [Member] |  |  |  |  |
Disclosure of subsidiaries [line items] |  |  |  |  |
Assets |  | 198,951 | 216,331 | 195,756 |
Current Assets |  | 166,445 | 194,306 | 180,558 |
Non-current Assets |  | 32,506 | 22,025 | 15,198 |
Total liabilities |  | 143,731 | 200,172 | 170,384 |
Current Liabilities |  | 139,914 | 197,330 | 168,126 |
Non-current Liabilities |  | 3,817 | 2,842 | 2,258 |
Revenue |  | 387,557 | 371,896 | 443,317 |
Net income (loss) for the year |  | (41,636) | (29,572) | 9,432 |
Transporte Aereo S.A. [Member] |  |  |  |  |
Disclosure of subsidiaries [line items] |  |  |  |  |
Assets |  | 324,498 | 340,940 | 331,117 |
Current Assets |  | 30,909 | 36,986 | 41,756 |
Non-current Assets |  | 293,589 | 303,954 | 289,361 |
Total liabilities |  | 104,357 | 124,805 | 122,666 |
Current Liabilities |  | 36,901 | 59,668 | 44,495 |
Non-current Liabilities |  | 67,456 | 65,137 | 78,171 |
Revenue |  | 317,436 | 297,247 | 324,464 |
Net income (loss) for the year |  | 2,172 | 8,206 | 5,878 |
Aerolane Lineas Aereas Nacionales del Ecuador S.A. [Member] |  |  |  |  |
Disclosure of subsidiaries [line items] |  |  |  |  |
Assets |  | 96,407 | 89,667 | 126,001 |
Current Assets |  | 66,166 | 56,064 | 80,641 |
Non-current Assets |  | 30,241 | 33,603 | 45,360 |
Total liabilities |  | 84,123 | 81,101 | 116,153 |
Current Liabilities |  | 78,817 | 75,985 | 111,245 |
Non-current Liabilities |  | 5,306 | 5,116 | 4,908 |
Revenue |  | 219,039 | 219,676 | 246,402 |
Net income (loss) for the year |  | 3,722 | (1,281) | (1,278) |
Aerovias de Integracion Regional, AIRES S.A. [Member] |  |  |  |  |
Disclosure of subsidiaries [line items] |  |  |  |  |
Assets |  | 138,138 | 129,734 | 130,039 |
Current Assets |  | 64,160 | 55,132 | 62,937 |
Non-current Assets |  | 73,978 | 74,602 | 67,102 |
Total liabilities |  | 91,431 | 85,288 | 75,003 |
Current Liabilities |  | 80,081 | 74,160 | 64,829 |
Non-current Liabilities |  | 11,350 | 11,128 | 10,174 |
Revenue |  | 279,414 | 277,503 | 291,354 |
Net income (loss) for the year |  | 526 | (13,675) | (34,079) |
TAM S.A. and Subsidiaries [Member] |  |  |  |  |
Disclosure of subsidiaries [line items] |  |  |  |  |
Assets | [1] | 4,490,714 | 5,287,286 | 4,969,553 | [2]
Current Assets | [1] | 1,843,822 | 1,794,189 | 1,350,377 |
Non-current Assets | [1] | 2,646,892 | 3,493,097 | 3,360,939 |
Total liabilities | [1] | 3,555,423 | 4,710,308 | 4,199,223 |
Current Liabilities | [1] | 2,052,633 | 2,837,620 | 1,963,400 |
Non-current Liabilities | [1] | 1,502,790 | 1,872,688 | 2,235,823 |
Revenue | [1] | 4,621,338 | 4,145,951 | 4,597,611 |
Net income (loss) for the year | [1],[2] | $ 160,582 | $ 2,107 | $ (183,581) |
[1] | Correspond to consolidated information of TAM S.A. and Subsidiaries.
[2] | The Equity reported corresponds to Equity attributable to owners of the parent, it does not include Non-controlling interest.

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