| 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 | |||||||||