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GOODWILL (Details 2) - Goodwill [Member] | Dec. 31, 2017
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Air Transport CGU [Member] |
Disclosure of detailed information about intangible assets [line items] |
Increase Maximum WACC | 8.55%
Decrease Minimum terminal growth rate | 1.00%
Coalition and Loyalty Program Multiplus CGU [Member] |
Disclosure of detailed information about intangible assets [line items] |
Increase Maximum CoE | 13.40%
Decrease Minimum terminal growth rate | 4.00%

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