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SEGMENTAL INFORMATION (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Disclosure of operating segments [line items] |  |  |  |  |
Income from ordinary activities from external customers |  | $ 9,613,907 | $ 8,988,340 | $ 9,740,045 |
Other operating income |  | 549,889 | 538,748 | 385,781 |
Depreciation and amortization |  | 1,001,625 | 960,328 | 934,406 |
Result of indexation units |  | (748) | (311) | (481) |
Income (loss) atributable to owners of the parents |  | 155,304 | 69,220 | (219,274) |
Expenses for income tax |  | 173,504 | 163,204 | (178,383) |
Net income (loss) for the year |  | 200,714 | 110,670 | (178,732) |
Assets of segment |  | 18,797,972 | 19,198,194 |  |
Segment liabilities |  | 14,530,736 | 15,012,890 |  |
Property, plant and equipment |  | 10,065,335 | 10,498,149 | 10,938,657 | $ 10,773,076
Intangibles other than goodwill |  | 1,617,247 | 1,610,313 | 1,321,425 | $ 1,880,079
LAN Passenger [Member] |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |
Income from ordinary activities from external customers |  | 4,313,287 | 4,104,348 | 4,241,918 |
TAM Passenger [Member] |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |
Income from ordinary activities from external customers |  | 4,181,190 | 3,773,367 | 4,168,696 |
Freight [Member] |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |
Income from ordinary activities from external customers |  | 1,119,430 | 1,110,625 | 1,329,431 |
Air Transportation [Member] |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |
Income from ordinary activities from external customers | [1] | 9,159,031 | 8,587,772 | 9,278,041 |
Income from ordinary activities from transactions with other operating segments |  | 454,876 | 400,568 | 462,004 |
Other operating income |  | 308,937 | 364,551 | 230,823 |
Interest income |  | 28,184 | 27,287 | 21,818 |
Interest expense |  | (393,286) | (427,054) | (423,742) |
Total net interest expense |  | (365,102) | (399,767) | (401,924) |
Depreciation and amortization |  | (994,416) | (952,285) | (923,311) |
Material non-cash items other than depreciation and amortization |  | (75,479) | 10,069 | (507,921) |
Disposal of fixed assets and inventory losses |  | (39,238) | (82,734) | (20,932) |
Doubtful accounts |  | (18,272) | (29,674) | (18,292) |
Exchange differences |  | (18,717) | 122,129 | (469,178) |
Result of indexation units |  | 748 | 348 | 481 |
Income (loss) atributable to owners of the parents |  | (3,482) | (83,653) | (356,039) |
Participation of the entity in the income of associates |  |  |  | 37 |
Expenses for income tax |  | (104,376) | (92,476) | 249,090 |
Net income (loss) for the year |  | 41,931 | (42,203) | (315,497) |
Assets of segment |  | 17,430,937 | 17,805,749 | 16,924,200 |
Segment liabilities |  | 14,007,916 | 14,469,505 | 14,700,072 |
Amount of non-current asset additions |  | 412,846 | 1,481,090 | 1,492,281 |
Property, plant and equipment |  | 325,513 | 1,390,730 | 1,439,057 |
Intangibles other than goodwill |  | 87,333 | 90,360 | 53,224 |
Purchase of non-monetary assets of segment |  | 490,983 | 782,957 | 1,622,198 |
Air Transportation [Member] | LAN Passenger [Member] |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |
Income from ordinary activities from external customers | [2] | 4,313,287 | 4,104,348 | 4,241,918 |
Air Transportation [Member] | TAM Passenger [Member] |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |
Income from ordinary activities from external customers | [2] | 3,726,314 | 3,372,799 | 3,706,692 |
Air Transportation [Member] | Freight [Member] |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |
Income from ordinary activities from external customers | [2] | 1,119,430 | 1,110,625 | 1,329,431 |
Coalition And Loyalty Program Multiplus [Member] |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |
Income from ordinary activities from external customers | [1] | 454,876 | 400,568 | 462,004 |
Income from ordinary activities from transactions with other operating segments |  | 67,554 | 65,969 | 67,826 |
Other operating income |  | 240,952 | 174,197 | 154,958 |
Interest income |  | 50,511 | 58,380 | 63,647 |
Interest expense |  |  |  |  |
Total net interest expense |  | 50,511 | 58,380 | 63,647 |
Depreciation and amortization |  | (7,209) | (8,043) | (11,095) |
Material non-cash items other than depreciation and amortization |  | (145) | (991) | 1,893 |
Disposal of fixed assets and inventory losses |  |  |  |  |
Doubtful accounts |  | (144) | (476) | 611 |
Exchange differences |  | (1) | (478) | 1,282 |
Result of indexation units |  |  | (37) |  |
Income (loss) atributable to owners of the parents |  | 158,783 | 152,873 | 136,765 |
Participation of the entity in the income of associates |  |  |  |  |
Expenses for income tax |  | (69,128) | (70,728) | (70,707) |
Net income (loss) for the year |  | 158,783 | 152,873 | 136,765 |
Assets of segment |  | 1,373,049 | 1,400,432 | 1,182,111 |
Segment liabilities |  | 563,849 | 572,065 | 490,076 |
Amount of non-current asset additions |  |  |  |  |
Property, plant and equipment |  |  |  |  |
Intangibles other than goodwill |  |  |  |  |
Purchase of non-monetary assets of segment |  |  |  |  |
Coalition And Loyalty Program Multiplus [Member] | LAN Passenger [Member] |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |
Income from ordinary activities from external customers | [2] |  |  |  |
Coalition And Loyalty Program Multiplus [Member] | TAM Passenger [Member] |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |
Income from ordinary activities from external customers | [2] | 454,876 | 400,568 | 462,004 |
Coalition And Loyalty Program Multiplus [Member] | Freight [Member] |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |
Income from ordinary activities from external customers | [2] |  |  |  |
Eliminations [Member] |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |
Income from ordinary activities from external customers | [1] |  |  |  |
Income from ordinary activities from transactions with other operating segments |  | (522,430) | (466,537) | (529,830) |
Other operating income |  |  |  |  |
Interest income |  |  | (10,718) | (10,385) |
Interest expense |  |  | 10,718 | 10,385 |
Total net interest expense |  |  |  |  |
Depreciation and amortization |  |  |  |  |
Material non-cash items other than depreciation and amortization |  |  |  |  |
Disposal of fixed assets and inventory losses |  |  |  |  |
Doubtful accounts |  |  |  |  |
Exchange differences |  |  |  |  |
Result of indexation units |  |  |  |  |
Income (loss) atributable to owners of the parents |  |  |  |  |
Participation of the entity in the income of associates |  |  |  |  |
Expenses for income tax |  |  |  |  |
Net income (loss) for the year |  |  |  |  |
Assets of segment |  | (6,014) | (7,987) | (4,893) |
Segment liabilities |  | (41,029) | (28,680) | (26,278) |
Amount of non-current asset additions |  |  |  |  |
Property, plant and equipment |  |  |  |  |
Intangibles other than goodwill |  |  |  |  |
Purchase of non-monetary assets of segment |  |  |  |  |
Eliminations [Member] | LAN Passenger [Member] |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |
Income from ordinary activities from external customers | [2] |  |  |  |
Eliminations [Member] | TAM Passenger [Member] |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |
Income from ordinary activities from external customers | [2] |  |  |  |
Eliminations [Member] | Freight [Member] |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |
Income from ordinary activities from external customers | [2] |  |  |  |
Operating Segments [Member] |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |
Income from ordinary activities from external customers | [1] | 9,613,907 | 8,988,340 | 9,740,045 |
Income from ordinary activities from transactions with other operating segments |  |  |  |  |
Other operating income |  | 549,889 | 538,748 | 385,781 |
Interest income |  | 78,695 | 74,949 | 75,080 |
Interest expense |  | (393,286) | (416,336) | (413,357) |
Total net interest expense |  | (314,591) | (341,387) | (338,277) |
Depreciation and amortization |  | (1,001,625) | (960,328) | (934,406) |
Material non-cash items other than depreciation and amortization |  | (75,624) | 9,078 | (506,028) |
Disposal of fixed assets and inventory losses |  | (39,238) | (82,734) | (20,932) |
Doubtful accounts |  | (18,416) | (30,150) | (17,681) |
Exchange differences |  | (18,718) | 121,651 | (467,896) |
Result of indexation units |  | 748 | 311 | 481 |
Income (loss) atributable to owners of the parents |  | 155,301 | 69,220 | (219,274) |
Participation of the entity in the income of associates |  |  |  | 37 |
Expenses for income tax |  | (173,504) | (163,204) | 178,383 |
Net income (loss) for the year |  | 200,714 | 110,670 | (178,732) |
Assets of segment |  | 18,797,972 | 19,198,194 | 18,101,418 |
Segment liabilities |  | 14,530,736 | 15,012,890 | 15,163,870 |
Amount of non-current asset additions |  | 412,846 | 1,481,090 | 1,492,281 |
Property, plant and equipment |  | 325,513 | 1,390,730 | 1,439,057 |
Intangibles other than goodwill |  | 87,333 | 90,360 | 53,224 |
Purchase of non-monetary assets of segment |  | 490,983 | 782,957 | 1,622,198 |
Operating Segments [Member] | LAN Passenger [Member] |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |
Income from ordinary activities from external customers | [2] | 4,313,287 | 4,104,348 | 4,241,918 |
Operating Segments [Member] | TAM Passenger [Member] |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |
Income from ordinary activities from external customers | [2] | 4,181,190 | 3,773,367 | 4,168,696 |
Operating Segments [Member] | Freight [Member] |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |
Income from ordinary activities from external customers | [2] | $ 1,119,430 | $ 1,110,625 | $ 1,329,431 |
[1] | The Company does not have any interest revenue that should be recognized as income from ordinary activities by interest.
[2] | The value presented as initial designation as fair value through profit and loss, corresponds mainly to private investment funds; and loans and receivables corresponds to guarantees given.

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