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TRADE AND OTHER ACCOUNTS RECEIVABLE CURRENT, AND NON-CURRENT ACCOUNTS RECEIVABLE (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2017
Trade and other receivables [abstract] |
Schedule of trade and other accounts receivable |
|  | As of |  |  | As of |
|  | December 31, |  |  | December 31, |
|  | 2017 |  |  | 2016 |
|  | ThUS$ |  |  | ThUS$ |
Trade accounts receivable |  |  | 1,175,796 |  |  |  | 1,022,933 |
Other accounts receivable |  |  | 133,054 |  |  |  | 170,264 |
Total trade and other accounts receivable |  |  | 1,308,850 |  |  |  | 1,193,197 |
Less: Allowance for impairment loss |  |  | (87,909 | ) |  |  | (77,054 | )
Total net trade and accounts receivable |  |  | 1,220,941 |  |  |  | 1,116,143 |
Less: non-current portion – accounts receivable |  |  | (6,891 | ) |  |  | (8,254 | )
Trade and other accounts receivable, current |  |  | 1,214,050 |  |  |  | 1,107,889 |
Schedule of matured accounts receivable and impaired | The maturity of these accounts at the end of each period is as follows:
|  | As of |  |  | As of |
|  | December 31, |  |  | December 31, |
|  | 2017 |  |  | 2016 |
|  | ThUS$ |  |  | ThUS$ |
Fully performing |  |  | 1,040,671 |  |  |  | 907,358 |
Matured accounts receivable, but not impaired |  |  |  |  |  |  |  |
Expired from 1 to 90 days |  |  | 34,153 |  |  |  | 27,651 |
Expired from 91 to 180 days |  |  | 10,141 |  |  |  | 9,303 |
More than 180 days overdue (*) |  |  | 2,922 |  |  |  | 1,567 |
Total matured accounts receivable, but not impaired |  |  | 47,216 |  |  |  | 38,521 |
Matured accounts receivable and impaired Judicial, pre-judicial collection and protested documents |  |  | 43,175 |  |  |  | 34,909 |
Debtor under pre-judicial collection process and portfolio sensitization |  |  | 44,734 |  |  |  | 42,145 |
Total matured accounts receivable and impaired |  |  | 87,909 |  |  |  | 77,054 |
Total |  |  | 1,175,796 |  |  |  | 1,022,933 |
(*) Value of this segment corresponds primarily to accounts receivable that were evaluated in their ability to recover, therefore not requiring a provision.
Schedule of trade and other accounts receivable and non-current accounts receivable | Currency balances that make up the Trade and other accounts receivable and non-current accounts receivable are the following:
|  | As of |  |  | As of |
|  | December 31, |  |  | December 31, |
Currency |  | 2017 |  |  | 2016 |
|  | ThUS$ |  |  | ThUS$ |
Argentine Peso |  |  | 49,958 |  |  |  | 82,770 |
Brazilian Real |  |  | 635,894 |  |  |  | 551,264 |
Chilean Peso |  |  | 90,302 |  |  |  | 101,041 |
Colombian peso |  |  | 3,249 |  |  |  | 16,454 |
Euro |  |  | 48,286 |  |  |  | 21,923 |
US Dollar |  |  | 257,324 |  |  |  | 312,394 |
Other currency (*) |  |  | 135,928 |  |  |  | 30,297 |
Total |  |  | 1,220,941 |  |  |  | 1,116,143 |
(*) Other currencies |  |  |  |  |  |  |  |
Australian Dollar |  |  | 40,303 |  |  |  | 5,487 |
Chinese Yuan |  |  | 37 |  |  |  | 271 |
Danish Krone |  |  | 197 |  |  |  | 151 |
Pound Sterling |  |  | 5,068 |  |  |  | 3,904 |
Indian Rupee |  |  | 3,277 |  |  |  | 303 |
Japanese Yen |  |  | 18,756 |  |  |  | 2,601 |
Norwegian Kroner |  |  | 133 |  |  |  | 184 |
Swiss Franc |  |  | 2,430 |  |  |  | 1,512 |
Korean Won |  |  | 18,225 |  |  |  | 4,241 |
New Taiwanese Dollar |  |  | 2,983 |  |  |  | 662 |
Other currencies |  |  | 44,519 |  |  |  | 10,938 |
Total |  |  | 135,928 |  |  |  | 30,254 |
Schedule of impairment losses are the maturity of the portfolio | The criteria used to determine that there is objective evidence of impairment losses are the maturity of the portfolio, specific acts of damage (default) and specific market signals.
Maturity |  | Impairment |
Judicial and pre-judicial collection assets |  |  | 100 | %
Over 1 year |  |  | 100 | %
Between 6 and 12 months |  |  | 50 | %
Schedule of allowance for impairment loss of trade and other accounts receivables | Movement in the allowance for impairment loss of Trade and other accounts receivables are the following:
|  | Opening |  |  |  |  |  | (Increase) |  |  | Closing |
|  | balance |  |  | Write-offs |  |  | Decrease |  |  | balance |
Periods |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |
From January 1 to December 31, 2015 |  |  | (71,042 | ) |  |  | 10,120 |  |  |  | 850 |  |  |  | (60,072 | )
From January 1 to December 31, 2016 |  |  | (60,072 | ) |  |  | 20,910 |  |  |  | (37,892 | ) |  |  | (77,054 | )
From January 1 to December 31, 2017 |  |  | (77,054 | ) |  |  | 8,249 |  |  |  | (19,104 | ) |  |  | (87,909 | )
Schedule of accounts receivable categories | The maximum credit-risk exposure at the date of presentation of the information is the fair value of each one of the categories of accounts receivable indicated above.
|  | As of December 31, 2017 |  |  | As of December 31, 2016 |
|  | Gross exposure |  |  | Gross |  |  | Exposure net |  |  | Gross exposure |  |  | Gross |  |  | Exposure net |
|  | according to |  |  | impaired |  |  | of risk |  |  | according to |  |  | Impaired |  |  | of risk |
|  | balance |  |  | exposure |  |  | concentrations |  |  | balance |  |  | exposure |  |  | concentrations |
|  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |
Trade accounts receivable |  |  | 1,175,796 |  |  |  | (87,909 | ) |  |  | 1,087,887 |  |  |  | 1,022,933 |  |  |  | (77,054 | ) |  |  | 945,879 |
Other accounts receivable |  |  | 133,054 |  |  |  | - |  |  |  | 133,054 |  |  |  | 170,264 |  |  |  | - |  |  |  | 170,264 |

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