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GOODWILL (Details 1) - Goodwill [Member] $ in Thousands | Dec. 31, 2017 USD ($) $ / shares
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Air Transport CGU [Member] |  |
Disclosure of detailed information about intangible assets [line items] |  |
Annual growth rate (Terminal) | 1.00% |
Discount rate based on the weighted average cost of capital (WACC) | 8.55% |
Air Transport CGU [Member] | Bottom of range [member] |  |
Disclosure of detailed information about intangible assets [line items] |  |
Annual growth rate (Terminal) | 1.00% |
Exchange rate (in dollars per share) | 3.3 | [1]
Discount rate based on the weighted average cost of capital (WACC) | 7.55% |
Fuel Price from futures price curves commodities markets (in dollars per Barril) | $ | $ 73 |
Air Transport CGU [Member] | Top of range [member] |  |
Disclosure of detailed information about intangible assets [line items] |  |
Annual growth rate (Terminal) | 2.00% |
Exchange rate (in dollars per share) | 3.9 | [1]
Discount rate based on the weighted average cost of capital (WACC) | 8.55% |
Fuel Price from futures price curves commodities markets (in dollars per Barril) | $ | $ 78 |
Coalition and Loyalty Program Multiplus CGU [Member] |  |
Disclosure of detailed information about intangible assets [line items] |  |
Annual growth rate (Terminal) | 4.00% |
Discount rate based on cost of equity (Ke) | 13.40% |
Coalition and Loyalty Program Multiplus CGU [Member] | Bottom of range [member] |  |
Disclosure of detailed information about intangible assets [line items] |  |
Annual growth rate (Terminal) | 4.00% | [2]
Exchange rate (in dollars per share) | 3.3 | [1],[2]
Discount rate based on cost of equity (Ke) | 12.40% | [2]
Coalition and Loyalty Program Multiplus CGU [Member] | Top of range [member] |  |
Disclosure of detailed information about intangible assets [line items] |  |
Annual growth rate (Terminal) | 5.00% | [2]
Exchange rate (in dollars per share) | 3.9 | [1],[2]
Discount rate based on cost of equity (Ke) | 13.40% | [2]
[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.

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