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INTANGIBLE ASSETS OTHER THAN GOODWILL (Tables) | 12 Months Ended
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Dec. 31, 2023
INTANGIBLE ASSETS OTHER THAN GOODWILL [Abstract] |
Schedule of intangible assets | The details of intangible assets are as follows:
| Classes of intangible assets (net) |  | Classes of intangible assets (gross)
| As of December 31, 2023 |  | As of December 31, 2022 |  | As of December 31, 2023 |  | As of December 31, 2022
| ThUS$ |  | ThUS$ |  | ThUS$ |  | ThUS$
Airport slots | 658,949 |  |  | 625,368 |  |  | 658,949 |  |  | 625,368 |
Loyalty program | 219,636 |  |  | 203,791 |  |  | 219,636 |  |  | 203,791 |
Computer software | 156,337 |  |  | 143,550 |  |  | 597,164 |  |  | 518,971 |
Developing software | 117,010 |  |  | 107,652 |  |  | 117,010 |  |  | 107,651 |
Other assets | 54 |  |  | 25 |  |  | 1,369 |  |  | 1,315 |
Total | 1,151,986 |  |  | 1,080,386 |  |  | 1,594,128 |  |  | 1,457,096 |
Schedule of movement in intangible assets other than goodwill | Movement in Intangible assets other than goodwill:
| Computer software and others Net |  | Developing software |  | Airport slots |  | Loyalty program (1) |  | Total
| ThUS$ |  | ThUS$ |  | ThUS$ |  | ThUS$ |  | ThUS$
Opening balance as of January 1, 2021 | 139,341 |  |  | 68,521 |  |  | 627,742 |  |  | 210,955 |  |  | 1,046,559 |
Additions | — |  |  | 82,798 |  |  | — |  |  | — |  |  | 82,798 |
Withdrawals | (275) |  |  | (429) |  |  | — |  |  | — |  |  | (704) |
Transfer software and others | 46,144 |  |  | (45,657) |  |  | — |  |  | (352) |  |  | 135 |
Foreign exchange | (3,571) |  |  | (359) |  |  | (40,528) |  |  | (14,276) |  |  | (58,734) |
Amortization | (45,377) |  |  | - |  |  | - |  |  | (5,785) |  |  | (51,162) |
Closing balance as of December 31, 2021 | 136,262 |  |  | 104,874 |  |  | 587,214 |  |  | 190,542 |  |  | 1,018,892 |
Opening balance as of January 1, 2022 | 136,262 |  |  | 104,874 |  |  | 587,214 |  |  | 190,542 |  |  | 1,018,892 |
Additions | 47 |  |  | 66,820 |  |  | — |  |  | — |  |  | 66,867 |
Withdrawals | (2,947) |  |  | (245) |  |  | — |  |  | — |  |  | (3,192) |
Transfer software and others | 61,212 |  |  | (63,658) |  |  | — |  |  | — |  |  | (2,446) |
Foreign exchange | 3,359 |  |  | (139) |  |  | 38,154 |  |  | 13,249 |  |  | 54,623 |
Amortization | (54,358) |  |  | — |  |  | — |  |  | — |  |  | (54,358) |
Closing balance as of December 31, 2022 | 143,575 |  |  | 107,652 |  |  | 625,368 |  |  | 203,791 |  |  | 1,080,386 |
Opening balance as of January 1, 2023 | 143,575 |  |  | 107,652 |  |  | 625,368 |  |  | 203,791 |  |  | 1,080,386 |
Additions | 298 |  |  | 78,846 |  |  | — |  |  | — |  |  | 79,144 |
Transfer software and others | 69,210 |  |  | (69,928) |  |  | — |  |  | — |  |  | (718) |
Foreign exchange | 2,612 |  |  | 440 |  |  | 33,581 |  |  | 15,845 |  |  | 52,478 |
Amortization | (59,304) |  |  | — |  |  | — |  |  | — |  |  | (59,304) |
Closing balance as of December 31, 2023 | 156,391 |  |  | 117,010 |  |  | 658,949 |  |  | 219,636 |  |  | 1,151,986 |
Schedule of recoverable values | The recoverable values were determined using the following assumptions:
|  | CGU Air transport
Annual growth rate (Terminal) | % | 0.0 – 4.3
Exchange rate | R$/US$ | 5.28 – 5.57
Discount rate based on the Weighted Average Cost of Capital (WACC) | % | 8.70 – 10.70
Fuel Price | US$/barrel | 100
Schedule of annual growth rates, discounts, exchange rates and fuel price | The CGU is sensitive to annual growth rates, discounts and exchange rates and fuel price. The sensitivity analysis included the individual impact of changes in critical estimates in determining recoverable amounts, namely:
| Increase WACC Maximum |  | Decrease rate Terminal growth Minimal |  | Increase fuel price Maximum US$/barrel
| % |  | % |  |
Air Transportation CGU | 10.7 |  |  | 0 |  |  | 100 |

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