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GOODWILL (Tables) | 12 Months Ended
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Dec. 31, 2017
Disclosure of detailed information about intangible assets [abstract] |
Schedule of movement of goodwill |
|  |  |  |  | Coalition |  |  |  |
Movement of Goodwill, separated by CGU: |  |  |  |  | and loyalty |  |  |  |
|  | Air |  |  | program |  |  |  |
|  | Transport |  |  | Multiplus |  |  | Total |
|  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |
Opening balance as of January 1, 2015 |  |  | 2,658,503 |  |  |  | 654,898 |  |  |  | 3,313,401 |
Increase (decrease) due to exchange rate differences |  |  | (823,415 | ) |  |  | (209,411 | ) |  |  | (1,032,826 | )
Closing balance as of December 31, 2015 |  |  | 1,835,088 |  |  |  | 445,487 |  |  |  | 2,280,575 |
Opening balance as of January 1, 2016 |  |  | 1,835,088 |  |  |  | 445,487 |  |  |  | 2,280,575 |
Increase (decrease) due to exchange rate differences |  |  | 341,813 |  |  |  | 88,261 |  |  |  | 430,074 |
Others |  |  | (267 | ) |  |  | - |  |  |  | (267 | )
Closing balance as of December 31, 2016 |  |  | 2,176,634 |  |  |  | 533,748 |  |  |  | 2,710,382 |
Opening balance as of January 1, 2017 |  |  | 2,176,634 |  |  |  | 533,748 |  |  |  | 2,710,382 |
Increase (decrease) due to exchange rate differences |  |  | (29,942 | ) |  |  | (7,890 | ) |  |  | (37,832 | )
Others |  |  | - |  |  |  | - |  |  |  | - |
Closing balance as of December 31, 2017 |  |  | 2,146,692 |  |  |  | 525,858 |  |  |  | 2,672,550 |
Schedule of recoverable values categories by CGU | As of December 31, 2017 the recoverable values were determined using the following assumptions presented below:
|  |  |  | Air transportation |  | Coalition and loyalty
|  |  |  | CGU |  | program Multiplus CGU (2)
Annual growth rate (Terminal) |  | % |  | 1.0 - 2.0 |  | 4.0 - 5.0
Exchange rate (1) |  | R$/US$ |  | 3.3 - 3.9 |  | 3.3 - 3.9
Discount rate based on the weighted average cost of capital (WACC) |  | % |  | 7.55 - 8.55 |  | -
Discount rate based on cost of equity (Ke) |  | % |  | - |  | 12.4 - 13.4
Fuel Price from futures price curves commodities markets |  | US$/barrel |  | 73-78 |  | -
(1) In line with the expectations of the Central Bank of Brazil (2) The flow, as well as annual growth rte and discount, are denominated in real.
Schedule of sensitivity analysis of goodwill by CGU | The sensitivity analysis included the individual impact of changes in estimates critical in determining the recoverable amounts, namely:
|  |  |  |  |  |  |  | Decrease |
|  | Increase |  |  | Increase |  |  | Minimum |
|  | Maximum |  |  | Maximum |  |  | terminal |
|  | WACC |  |  | CoE |  |  | growth rate |
|  | % |  |  | % |  |  | % |
Air transportation CGU |  |  | 8.55 |  |  |  | - |  |  |  | 1.0 |
Coalition and loyalty program Multiplus CGU |  |  | - |  |  |  | 13.4 |  |  |  | 4.0 |

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- Definition The disclosure of the reconciliation of changes in goodwill. [Refer: Goodwill] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 3 -IssueDate 2017-01-01 -Paragraph B67 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=3&date=2017-03-01&anchor=para_B67_d&doctype=Appendix&seq=2 -URIDate 2017-03-09 + Details
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