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FOREIGN CURRENCY AND EXCHANGE RATE DIFFERENCES (Details 1) - USD ($) $ in Thousands | Dec. 31, 2017 | Dec. 31, 2016
--- | --- | ---
Disclosure of subsidiaries [line items] |  |  |
Other financial liabilities, current |  | $ 1,300,949 | $ 1,839,528
Trade and other accounts payables |  | 1,695,202 | 1,593,068
Other provisions, current | [1] | 2,783 | 2,643
Tax liabilities, current |  | 3,511 | 14,286
Other non-financial liabilities |  | 2,823,963 | 2,762,245
Total current liabilities |  | 5,842,714 | 6,222,191
Other financial liabilities, non-current |  | 6,605,508 | 6,796,952
Other provisions, non-current | [1] | 374,593 | 422,494
Other non-financial liabilities, non-current |  | 158,305 | 213,781
Total non-current liabilities |  | 8,688,022 | 8,790,699
Up to 90 days [Member] |  |  |
Disclosure of subsidiaries [line items] |  |  |
Other financial liabilities, current |  | 36,000 | 287,175
Trade and other accounts payables |  | 919,373 | 585,149
Accounts payable to related entities |  | 760 | 220
Other provisions, current |  | 959 | 511
Tax liabilities, current |  |  | (204)
Other non-financial liabilities |  | 25,190 | 33,439
Total current liabilities |  | 982,282 | 906,290
Up to 90 days [Member] | Chile, Pesos |  |  |
Disclosure of subsidiaries [line items] |  |  |
Other financial liabilities, current |  | 21,542 | 55,962
Trade and other accounts payables |  | 233,202 | 60,701
Accounts payable to related entities |  | 546 | 23
Other provisions, current |  | 30 | 28
Tax liabilities, current |  |  | (25)
Other non-financial liabilities |  | 11,283 | 14,999
Total current liabilities |  | 266,603 | 131,688
Up to 90 days [Member] | United States of America, Dollars |  |  |
Disclosure of subsidiaries [line items] |  |  |
Other financial liabilities, current |  | 14,458 | 231,213
Trade and other accounts payables |  | 409,380 | 374,431
Accounts payable to related entities |  | 4 | 8
Other provisions, current |  |  |
Other non-financial liabilities |  | 3,160 | 684
Total current liabilities |  | 427,002 | 606,336
Up to 90 days [Member] | Argentina, Pesos |  |  |
Disclosure of subsidiaries [line items] |  |  |
Trade and other accounts payables |  | 122,452 | 20,838
Tax liabilities, current |  |  |
Other non-financial liabilities |  | 393 | 13,463
Total current liabilities |  | 122,845 | 34,301
Up to 90 days [Member] | Brazil, Brazil Real |  |  |
Disclosure of subsidiaries [line items] |  |  |
Trade and other accounts payables |  | 28,810 | 40,740
Tax liabilities, current |  |  | (3)
Other non-financial liabilities |  | 542 | 430
Total current liabilities |  | 29,352 | 41,167
Up to 90 days [Member] | Colombia, Pesos |  |  |
Disclosure of subsidiaries [line items] |  |  |
Trade and other accounts payables |  | 2,964 | 9,049
Other non-financial liabilities |  | 837 | 578
Total current liabilities |  | 3,801 | 9,627
Up to 90 days [Member] | Euro Member Countries, Euro |  |  |
Disclosure of subsidiaries [line items] |  |  |
Trade and other accounts payables |  | 58,081 | 23,445
Other non-financial liabilities |  | 5,954 | 168
Total current liabilities |  | 64,035 | 23,613
Up to 90 days [Member] | Venezuelan bolivar fuerte |  |  |
Disclosure of subsidiaries [line items] |  |  |
Total current liabilities |  |  | 763
Up to 90 days [Member] | Peru, Nuevos Soles |  |  |
Disclosure of subsidiaries [line items] |  |  |
Trade and other accounts payables |  | 39,064 | 33,701
Up to 90 days [Member] | Mexico, Pesos |  |  |
Disclosure of subsidiaries [line items] |  |  |
Trade and other accounts payables |  | 2,732 | 1,535
Up to 90 days [Member] | South Sudan pound |  |  |
Disclosure of subsidiaries [line items] |  |  |
Trade and other accounts payables |  | 5,839 | 1,769
Up to 90 days [Member] | Uruguay, Pesos |  |  |
Disclosure of subsidiaries [line items] |  |  |
Trade and other accounts payables |  | 1,890 | 6,899
Up to 90 days [Member] | Other currency |  |  |
Disclosure of subsidiaries [line items] |  |  |
Trade and other accounts payables |  | 14,959 | 12,041
Accounts payable to related entities |  | 210 | 189
Other provisions, current |  | 929 | 483
Tax liabilities, current |  |  | (176)
Other non-financial liabilities |  | 3,021 | 3,117
Total current liabilities |  | 68,644 | 59,558
More than 90 days to one year [Member] |  |  |
Disclosure of subsidiaries [line items] |  |  |
Other financial liabilities, current |  | 115,182 | 455,086
Trade and other accounts payables |  | 33,707 | 16,097
Accounts payable to related entities |  |  |
Other provisions, current |  |  |
Tax liabilities, current |  | 174 | 2,501
Other non-financial liabilities |  |  |
Total current liabilities |  | 149,063 | 473,684
More than 90 days to one year [Member] | Chile, Pesos |  |  |
Disclosure of subsidiaries [line items] |  |  |
Other financial liabilities, current |  | 79,032 | 108,010
Trade and other accounts payables |  | 11,311 | 12,255
Accounts payable to related entities |  |  |
Other provisions, current |  |  | 28
Tax liabilities, current |  |  |
Other non-financial liabilities |  |  |
Total current liabilities |  | 90,343 | 120,265
More than 90 days to one year [Member] | United States of America, Dollars |  |  |
Disclosure of subsidiaries [line items] |  |  |
Other financial liabilities, current |  | 36,150 | 347,076
Trade and other accounts payables |  | 1,154 | 962
Accounts payable to related entities |  |  |
Other non-financial liabilities |  |  |
Total current liabilities |  | 37,304 | 348,038
More than 90 days to one year [Member] | Argentina, Pesos |  |  |
Disclosure of subsidiaries [line items] |  |  |
Trade and other accounts payables |  | 8,636 | 907
Tax liabilities, current |  | 174 | 2,501
Other non-financial liabilities |  |  |
Total current liabilities |  | 8,810 | 3,408
More than 90 days to one year [Member] | Brazil, Brazil Real |  |  |
Disclosure of subsidiaries [line items] |  |  |
Trade and other accounts payables |  | 669 | 27
Tax liabilities, current |  |  |
Other non-financial liabilities |  |  |
Total current liabilities |  | 669 | 27
More than 90 days to one year [Member] | Colombia, Pesos |  |  |
Disclosure of subsidiaries [line items] |  |  |
Trade and other accounts payables |  | 855 | 578
Other non-financial liabilities |  |  |
Total current liabilities |  | 855 | 578
More than 90 days to one year [Member] | Euro Member Countries, Euro |  |  |
Disclosure of subsidiaries [line items] |  |  |
Trade and other accounts payables |  | 9,165 | 5
Other non-financial liabilities |  |  |
Total current liabilities |  | 9,165 | 5
More than 90 days to one year [Member] | Venezuelan bolivar fuerte |  |  |
Disclosure of subsidiaries [line items] |  |  |
Total current liabilities |  |  |
More than 90 days to one year [Member] | Peru, Nuevos Soles |  |  |
Disclosure of subsidiaries [line items] |  |  |
Trade and other accounts payables |  | 825 | 1,093
More than 90 days to one year [Member] | Mexico, Pesos |  |  |
Disclosure of subsidiaries [line items] |  |  |
Trade and other accounts payables |  | 115 |
More than 90 days to one year [Member] | South Sudan pound |  |  |
Disclosure of subsidiaries [line items] |  |  |
Trade and other accounts payables |  | 199 | 246
More than 90 days to one year [Member] | Uruguay, Pesos |  |  |
Disclosure of subsidiaries [line items] |  |  |
Trade and other accounts payables |  |  |
More than 90 days to one year [Member] | Other currency |  |  |
Disclosure of subsidiaries [line items] |  |  |
Trade and other accounts payables |  | 778 | 24
Accounts payable to related entities |  |  |
Other provisions, current |  |  |
Tax liabilities, current |  |  |
Other non-financial liabilities |  |  |
Total current liabilities |  | 1,917 | 1,363
More than one to three years [Member] |  |  |
Disclosure of subsidiaries [line items] |  |  |
Other financial liabilities, non-current |  | 276,436 | 178,793
Accounts payable, non-current |  | 362,964 | 195,629
Other provisions, non-current |  | 41,514 | 39,513
Provisions for employees benefits, non-current |  | 77,579 | 68,774
Other non-financial liabilities, non-current |  |  | 3
Total non-current liabilities |  | 758,493 | 482,712
More than one to three years [Member] | Chile, Pesos |  |  |
Disclosure of subsidiaries [line items] |  |  |
Other financial liabilities, non-current |  | 41,548 | 59,177
Accounts payable, non-current |  | 13,251 | 10,474
Other provisions, non-current |  |  | 38
Provisions for employees benefits, non-current |  | 73,399 | 68,380
Total non-current liabilities |  | 128,198 | 138,069
More than one to three years [Member] | United States of America, Dollars |  |  |
Disclosure of subsidiaries [line items] |  |  |
Other financial liabilities, non-current |  | 234,888 | 119,616
Accounts payable, non-current |  | 348,329 | 183,904
Other provisions, non-current |  | 6,066 | 6,066
Provisions for employees benefits, non-current |  | 4,180 | 366
Total non-current liabilities |  | 593,463 | 309,952
More than one to three years [Member] | Argentina, Pesos |  |  |
Disclosure of subsidiaries [line items] |  |  |
Other provisions, non-current |  | 940 | 635
Total non-current liabilities |  | 940 | 635
More than one to three years [Member] | Brazil, Brazil Real |  |  |
Disclosure of subsidiaries [line items] |  |  |
Other provisions, non-current |  | 24,074 | 23,541
Provisions for employees benefits, non-current |  |  | 28
Total non-current liabilities |  | 24,074 | 23,569
More than one to three years [Member] | Colombia, Pesos |  |  |
Disclosure of subsidiaries [line items] |  |  |
Other provisions, non-current |  | 551 | 569
Provisions for employees benefits, non-current |  |  |
Other non-financial liabilities, non-current |  |  | 3
Total non-current liabilities |  | 551 | 572
More than one to three years [Member] | Euro Member Countries, Euro |  |  |
Disclosure of subsidiaries [line items] |  |  |
Other provisions, non-current |  | 9,883 | 8,664
Total non-current liabilities |  | 9,883 | 8,664
More than one to three years [Member] | Other currency |  |  |
Disclosure of subsidiaries [line items] |  |  |
Accounts payable, non-current |  | 1,384 | 1,251
Total non-current liabilities |  | 1,384 | 1,251
More than three to five years [Member] |  |  |
Disclosure of subsidiaries [line items] |  |  |
Other financial liabilities, non-current |  | 263,798 | 747,218
Accounts payable, non-current |  |  |
Other provisions, non-current |  |  |
Provisions for employees benefits, non-current |  |  |
Other non-financial liabilities, non-current |  |  |
Total non-current liabilities |  | 263,798 | 747,218
More than three to five years [Member] | Chile, Pesos |  |  |
Disclosure of subsidiaries [line items] |  |  |
Other financial liabilities, non-current |  | 189,500 | 16,189
Accounts payable, non-current |  |  |
Other provisions, non-current |  |  |
Provisions for employees benefits, non-current |  |  |
Total non-current liabilities |  | 189,500 | 16,189
More than three to five years [Member] | United States of America, Dollars |  |  |
Disclosure of subsidiaries [line items] |  |  |
Other financial liabilities, non-current |  | 74,298 | 731,029
Accounts payable, non-current |  |  |
Other provisions, non-current |  |  |
Provisions for employees benefits, non-current |  |  |
Total non-current liabilities |  | 74,298 | 731,029
More than three to five years [Member] | Argentina, Pesos |  |  |
Disclosure of subsidiaries [line items] |  |  |
Other provisions, non-current |  |  |
Total non-current liabilities |  |  |
More than three to five years [Member] | Brazil, Brazil Real |  |  |
Disclosure of subsidiaries [line items] |  |  |
Other provisions, non-current |  |  |
Provisions for employees benefits, non-current |  |  |
Total non-current liabilities |  |  |
More than three to five years [Member] | Colombia, Pesos |  |  |
Disclosure of subsidiaries [line items] |  |  |
Other provisions, non-current |  |  |
Provisions for employees benefits, non-current |  |  |
Other non-financial liabilities, non-current |  |  |
Total non-current liabilities |  |  |
More than three to five years [Member] | Euro Member Countries, Euro |  |  |
Disclosure of subsidiaries [line items] |  |  |
Other provisions, non-current |  |  |
Total non-current liabilities |  |  |
More than three to five years [Member] | Other currency |  |  |
Disclosure of subsidiaries [line items] |  |  |
Accounts payable, non-current |  |  |
Total non-current liabilities |  |  |
Over five years |  |  |
Disclosure of subsidiaries [line items] |  |  |
Other financial liabilities, non-current |  | 189,500 | 41,785
Accounts payable, non-current |  |  |
Other provisions, non-current |  |  |
Provisions for employees benefits, non-current |  |  |
Other non-financial liabilities, non-current |  |  |
Total non-current liabilities |  | 189,500 | 41,785
Over five years | Chile, Pesos |  |  |
Disclosure of subsidiaries [line items] |  |  |
Other financial liabilities, non-current |  | 189,500 |
Accounts payable, non-current |  |  |
Other provisions, non-current |  |  |
Provisions for employees benefits, non-current |  |  |
Total non-current liabilities |  | 189,500 |
Over five years | United States of America, Dollars |  |  |
Disclosure of subsidiaries [line items] |  |  |
Other financial liabilities, non-current |  |  | 41,785
Accounts payable, non-current |  |  |
Other provisions, non-current |  |  |
Provisions for employees benefits, non-current |  |  |
Total non-current liabilities |  |  | 41,785
Over five years | Argentina, Pesos |  |  |
Disclosure of subsidiaries [line items] |  |  |
Other provisions, non-current |  |  |
Total non-current liabilities |  |  |
Over five years | Brazil, Brazil Real |  |  |
Disclosure of subsidiaries [line items] |  |  |
Other provisions, non-current |  |  |
Provisions for employees benefits, non-current |  |  |
Total non-current liabilities |  |  |
Over five years | Colombia, Pesos |  |  |
Disclosure of subsidiaries [line items] |  |  |
Other provisions, non-current |  |  |
Provisions for employees benefits, non-current |  |  |
Other non-financial liabilities, non-current |  |  |
Total non-current liabilities |  |  |
Over five years | Euro Member Countries, Euro |  |  |
Disclosure of subsidiaries [line items] |  |  |
Other provisions, non-current |  |  |
Total non-current liabilities |  |  |
Over five years | Other currency |  |  |
Disclosure of subsidiaries [line items] |  |  |
Accounts payable, non-current |  |  |
Total non-current liabilities |  |  |
[1] | Total other provision at December 31, 2017, and 2016, include the fair value correspond to those contingencies from the business combination with TAM S.A and subsidiaries, with a probability of loss under 50%, which are not provided for the normal application of IFRS enforcement and that only must be recognized in the context of a business combination in accordance with IFRS 3.

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