GOODWILL (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Reconciliation of changes in goodwill [Roll Forward]
Opening balance	$ 2,672,550	$ 2,710,382	$ 2,280,575
Increase (decrease) due to exchange rate differences	(377,125)	(37,832)	430,074
Adjustment IAS 29, hyperinflation Argentina	335
Others	(1,688)		(267)
Closing balance	2,294,072	2,672,550	2,710,382
Air Transport CGU [Member]
Reconciliation of changes in goodwill [Roll Forward]
Opening balance	2,146,692	2,176,634	1,835,088
Increase (decrease) due to exchange rate differences	(300,203)	(29,942)	341,813
Adjustment IAS 29, hyperinflation Argentina	335
Others	(1,688)		(267)
Closing balance	1,845,136	2,146,692	2,176,634
Coalition and Loyalty Program Multiplus CGU [Member]
Reconciliation of changes in goodwill [Roll Forward]
Opening balance	525,858	533,748	445,487
Increase (decrease) due to exchange rate differences	(76,922)	(7,890)	88,261
Adjustment IAS 29, hyperinflation Argentina
Others
Closing balance	$ 448,936	$ 525,858	$ 533,748

The amount of assets representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognised. [Refer: Business combinations [member]]

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The increase (decrease) in goodwill resulting from net exchange differences arising on the translation of the financial statements from the functional currency into a different presentation currency, including the translation of a foreign operation into the presentation currency of the reporting entity. [Refer: Goodwill]

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The increase (decrease) in goodwill resulting from changes that the entity does not separately disclose in the same statement or note. [Refer: Goodwill]

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