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v3.20.1

EQUITY (Tables) | 12 Months Ended
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Dec. 31, 2019
EQUITY (Tables) [Line Items] |
Schedule of movement of authorized shares [Text Block] |
|  |  |  |  | Expired shares |  |  |  |  |
|  | Opening |  |  | intended for compensation plans |  |  |  | Closing |
Nro. Of shares |  | balance |  |  | and others |  |  |  | balance |
From July 1 to December 31, 2018 |  |  | 608,374,525 |  |  |  | (1,500,000 | ) | (*) |  |  | 606,874,525 |
From July 1 to December 31, 2019 |  |  | 606,874,525 |  |  |  | (466,832 | ) |  |  |  | 606,407,693 |
Schedule of movement of fully paid shares [Text Block] |
|  |  |  |  | Movement |  |  |  |  |  |  |
|  |  |  |  | value |  |  | Cost of issuance |  |  |  |
|  |  |  |  | of shares |  |  | and placement |  |  | Paid- in |
|  | N° of |  |  | (1) |  |  | of shares (2) |  |  | Capital |
|  | shares |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |
Paid shares as of January 1, 2018 |  |  | 606,407,693 |  |  |  | 3,160,718 |  |  |  | (14,453 | ) |  |  | 3,146,265 |
There are no movements of shares paid during the 2018 period |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
Paid shares as of December 31, 2018 |  |  | 606,407,693 |  |  |  | 3,160,718 |  |  |  | (14,453 | ) |  |  | 3,146,265 |
Paid shares as of January 1, 2019 |  |  | 606,407,693 |  |  |  | 3,160,718 |  |  |  | (14,453 | ) |  |  | 3,146,265 |
There are no movements of shares paid during the 2019 period |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
Paid shares as of December 31, 2019 |  |  | 606,407,693 |  |  |  | 3,160,718 |  |  |  | (14,453 | ) |  |  | 3,146,265 |
Disclosure of reserves within equity [text block] |
|  |  |  |  | Stock |  |  |  |
|  | Opening |  |  | option |  |  | Closing |
Periods |  | balance |  |  | plan |  |  | balance |
|  |  | ThUS$ |  |  |  | ThUS$ |  |  |  | ThUS$ |
From January 1 to December 31, 2017 |  |  | 38,538 |  |  |  | 943 |  |  |  | 39,481 |
From January 1 to December 31, 2018 |  |  | 39,481 |  |  |  | (1,607 | ) |  |  | 37,874 |
From January 1 to December 31, 2019 |  |  | 37,874 |  |  |  | (1,585 | ) |  |  | 36,289 |
Schedule of balance of other sundry reserves |
|  | As of |  |  | As of |  |  | As of |
|  | December 31, |  |  | December 31, |  |  | December 31, |
|  | 2019 |  |  | 2018 |  |  | 2017 |
|  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |
Higher value for TAM S.A. share exchange (1) |  |  | 2,665,692 |  |  |  | 2,665,692 |  |  |  | 2,665,692 |
Reserve for the adjustment to the value of fixed assets (2) |  |  | 2,620 |  |  |  | 2,620 |  |  |  | 2,620 |
Transactions with non-controlling interest (3) |  |  | (210,048 | ) |  |  | (25,913 | ) |  |  | (25,911 | )
Others |  |  | (5,795 | ) |  |  | (3,483 | ) |  |  | (2,621 | )
Total |  |  | 2,452,469 |  |  |  | 2,638,916 |  |  |  | 2,639,780 |
Schedule of movement of reserves with effect in other comprehensive income |
|  | Currency |  |  | Cash flow |  |  | Actuarial gain |  |  |  |
|  | translation |  |  | hedging |  |  | or loss on defined |  |  |  |
|  | reserve |  |  | reserve |  |  | benefit plans reserve |  |  | Total |
|  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |
Opening balance as of January 1, 2017 |  |  | (2,086,555 | ) |  |  | 1,506 |  |  |  | (12,900 | ) |  |  | (2,097,949 | )
Increase (decrease) by application of new accounting standards |  |  | 215,299 |  |  |  | - |  |  |  | - |  |  |  | 215,299 |
Initial balance Restated |  |  | (1,871,256 | ) |  |  | 1,506 |  |  |  | (12,900 | ) |  |  | (1,882,650 | )
Derivatives valuation gains (losses) |  |  | - |  |  |  | 18,436 |  |  |  | - |  |  |  | 18,436 |
Deferred tax |  |  | - |  |  |  | (1,802 | ) |  |  | - |  |  |  | (1,802 | )
Actuarial reserves by employee benefit plans |  |  | - |  |  |  | - |  |  |  | 2,758 |  |  |  | 2,758 |
Deferred tax actuarial IAS by employee benefit plans |  |  | - |  |  |  | - |  |  |  | (784 | ) |  |  | (784 | )
Translation difference subsidiaries |  |  | (54,458 | ) |  |  | - |  |  |  | - |  |  |  | (54,458 | )
Closing balance as of December 31, 2017 Restated |  |  | (1,925,714 | ) |  |  | 18,140 |  |  |  | (10,926 | ) |  |  | (1,918,500 | )
Opening balance as of January 1, 2018 Restated |  |  | (1,925,714 | ) |  |  | 18,140 |  |  |  | (10,926 | ) |  |  | (1,918,500 | )
Derivatives valuation gains (losses) |  |  | - |  |  |  | (26,899 | ) |  |  | - |  |  |  | (26,899 | )
Deferred tax |  |  | - |  |  |  | (574 | ) |  |  | - |  |  |  | (574 | )
Actuarial reserves by employee benefit plans |  |  | - |  |  |  | - |  |  |  | (5,818 | ) |  |  | (5,818 | )
Deferred tax actuarial IAS by employee benefit plans |  |  | - |  |  |  | - |  |  |  | 1,566 |  |  |  | 1,566 |
Translation difference subsidiaries |  |  | (730,930 | ) |  |  | - |  |  |  | - |  |  |  | (730,930 | )
Closing balance as of December 31, 2018 |  |  | (2,656,644 | ) |  |  | (9,333 | ) |  |  | (15,178 | ) |  |  | (2,681,155 | )
Opening balance as of January 1, 2019 |  |  | (2,656,644 | ) |  |  | (9,333 | ) |  |  | (15,178 | ) |  |  | (2,681,155 | )
Derivatives valuation gains (losses) |  |  | - |  |  |  | 65,880 |  |  |  | - |  |  |  | 65,880 |
Deferred tax |  |  | - |  |  |  | 345 |  |  |  | - |  |  |  | 345 |
Actuarial reserves by employee benefit plans |  |  | - |  |  |  | - |  |  |  | (10,635 | ) |  |  | (10,635 | )
Deferred tax actuarial IAS by employee benefit plans |  |  | - |  |  |  | - |  |  |  | 2,873 |  |  |  | 2,873 |
Translation difference subsidiaries |  |  | (233,643 | ) |  |  | - |  |  |  | - |  |  |  | (233,643 | )
Closing balance as of December 31, 2019 |  |  | (2,890,287 | ) |  |  | 56,892 |  |  |  | (22,940 | ) |  |  | (2,856,335 | )
Schedule of movement of retained earnings |
|  |  |  |  | Increase |  |  |  |  |  |  |  |  | Other |  |  |  |
|  |  |  |  | (decrease) by |  |  | Result |  |  |  |  |  | increase |  |  |  |
|  | Opening |  |  | new standards |  |  | for the |  |  |  |  |  | (decreases) |  |  | Closing |
Periods |  | balance |  |  | (1) |  |  | period |  |  | Dividends |  |  | (1) (2) |  |  | balance |
|  |  | ThUS$ |  |  |  | ThUS$ |  |  |  | ThUS$ |  |  |  | ThUS$ |  |  |  | ThUS$ |  |  |  | ThUS$ |
From January 1 to December 31, 2017 (Restated) |  |  | 366,404 |  |  |  | (460,173 | ) |  |  | 108,896 |  |  |  | (46,591 | ) |  |  | - |  |  |  | (31,464 | )
From January 1 to December 31, 2018 (Restated) |  |  | (31,464 | ) |  |  | (9,548 | ) |  |  | 309,811 |  |  |  | (54,580 | ) |  |  | 4,752 |  |  |  | 218,971 |
From January 1 to December 31, 2019 |  |  | 218,971 |  |  |  | - |  |  |  | 190,430 |  |  |  | (57,129 | ) |  |  | - |  |  |  | 352,272 |
Disclosure of Intangible And Tangible Assets |
Items |  | ThUS$ |
Property, plant and equipment |  |  | 4,573 |
Intangible assets other than goodwill |  |  | 69 |
Goodwill |  |  | 335 |
Deferred incomes |  |  | (377 | )
Other non-financial assets |  |  | 152 |
Total Adjust accumulated results |  |  | 4,752 |
Schedule of dividends |
|  | Minimum mandatory |  |  | Minimum mandatory |
|  | dividend |  |  | dividend |
Description of dividend |  | 2019 |  |  | 2018 |
Date of dividend |  |  | 12-31-2019 |  |  |  | 12-31-2018 |
Amount of the dividend (ThUS$) |  |  | 57,129 |  |  |  | 54,580 |
Number of shares among which the dividend is distributed |  |  | 606,407,693 |  |  |  | 606,407,693 |
Dividend per share (US$) |  |  | 0.0942 |  |  |  | 0.0900 |
Other Sundry Reserves [Member] |
EQUITY (Tables) [Line Items] |
Schedule of balance of other sundry reserves |
|  | Opening |  |  | Transactions with |  |  | Legal |  |  | Closing |
Periods |  | balance |  |  | minorities |  |  | reserves |  |  | balance |
|  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |
From January 1 to December 31, 2017 |  |  | 2,640,281 |  |  |  | - |  |  |  | (501 | ) |  |  | 2,639,780 |
From January 1 to December 31, 2018 |  |  | 2,639,780 |  |  |  | - |  |  |  | (864 | ) |  |  | 2,638,916 |
From January 1 to December 31, 2019 |  |  | 2,638,916 |  |  |  | (184,135 | ) |  |  | (2,312 | ) |  |  | 2,452,469 |

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