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COSTS AND EXPENSES BY NATURE | 12 Months Ended
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Dec. 31, 2019
Disclosure of expenses by nature [text block] [Abstract] |
Disclosure of expenses by nature [text block] | NOTE 27 - COSTS AND EXPENSES BY NATURE
| (a) | Costs and operating expenses
The main operating costs and administrative expenses are detailed below:
|  | For the year ended |
|  | December 31, |
|  | 2019 |  |  | 2018 |  |  | 2017 |
|  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |
Aircraft fuel |  |  | 2,929,008 |  |  |  | 2,983,028 |  |  |  | 2,318,816 |
Other rentals and landing fees (*) |  |  | 1,275,859 |  |  |  | 1,206,881 |  |  |  | 1,233,640 |
Aircraft maintenance |  |  | 444,611 |  |  |  | 366,627 |  |  |  | 422,943 |
Comisions |  |  | 221,884 |  |  |  | 222,506 |  |  |  | 252,474 |
Passenger services |  |  | 261,330 |  |  |  | 280,279 |  |  |  | 288,662 |
Other operating expenses |  |  | 1,291,895 |  |  |  | 1,229,311 |  |  |  | 1,374,368 |
Total |  |  | 6,424,587 |  |  |  | 6,288,632 |  |  |  | 5,890,903 |
(*) Lease expenses are included within this amount (See Note 2.21)
|  | For the period ended |
|  | December 31, |
|  | 2019 |  |  | 2018 |  |  | 2017 |
|  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |
|  |  |  |  | Restated |  |  | Restated |
Payments for leases of low-value assets |  |  | 31,982 |  |  |  | 27,929 |  |  |  | 35,240 |
Total |  |  | 31,982 |  |  |  | 27,929 |  |  |  | 35,240 |
| (b) | Depreciation and amortization
Depreciation and amortization are detailed below:
|  | For the year ended |
|  | December 31, |
|  | 2019 |  |  | 2018 |  |  | 2017 |
|  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |
Depreciation (*) |  |  | 1,389,465 |  |  |  | 1,307,032 |  |  |  | 1,318,725 |
Amortization |  |  | 80,511 |  |  |  | 65,596 |  |  |  | 58,410 |
Total |  |  | 1,469,976 |  |  |  | 1,372,628 |  |  |  | 1,377,135 |
(*) Included within this amount is the depreciation of the Properties, plants and equipment (See Note 17 (a)) and the maintenance of the aircraft recognized as assets by right of use. The maintenance cost amount included in the depreciation line for the period ended December 31, 2019 is ThUS$ 445,680 and ThUS$ 366,393 for the same period 2018.
| (c) | Personnel expenses
The costs for personnel expenses are disclosed in Note 23 liability for employee benefits.
| (d) | Financial costs
The detail of financial costs is as follows:
|  | For the year ended |
|  | December 31, |
|  | 2019 |  |  | 2018 |  |  | 2017 |
|  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |
Bank loan interest |  |  | 325,650 |  |  |  | 283,786 |  |  |  | 347,551 |
Financial leases |  |  | 61,980 |  |  |  | 62,202 |  |  |  | 37,522 |
Lease liabilities |  |  | 181,814 |  |  |  | 182,868 |  |  |  | 185,947 |
Other financial instruments |  |  | 20,490 |  |  |  | 10,281 |  |  |  | 8,213 |
Total |  |  | 589,934 |  |  |  | 539,137 |  |  |  | 579,233 |
Costs and expenses by nature presented in this Note plus the Employee expenses disclosed in Note 23, are equivalent to the sum of cost of sales, distribution costs, administrative expenses, other expenses and financing costs presented in the consolidated statement of income by function.

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