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Cash And Cash Equivalents (Tables) | 12 Months Ended
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Dec. 31, 2020
DisclosureOfCashAndCashEquivalentsExplanatory [Abstract] |
Disclosure of detailed information about cash and cash equivalents [Text Block] | As of December 31, 2020, and December 31, 2019, cash and cash equivalents are detailed as follows:
Cash |  | As of December 31, 2020 |  |  | As of December 31, 2019 |
|  | ThUS$ |  |  | ThUS$ |
Cash on hand |  |  | 54 |  |  |  | 71 |
Cash in banks |  |  | 244,848 |  |  |  | 105,141 |
Other demand deposits |  |  | 2,227 |  |  |  | 6,986 |
Total Cash |  |  | 247,129 |  |  |  | 112,198 |
Cash equivalents |  | As of December 31, 2020 |  |  | As of December 31, 2019 |
|  | ThUS$ |  |  | ThUS$ |
Short-term deposits, classified as cash equivalents |  |  | 51,595 |  |  |  | 149,099 |
Short-term investments, classified as cash equivalents |  |  | 210,378 |  |  |  | 327,233 |
Total cash equivalents |  |  | 261,973 |  |  |  | 476,332 |
Total cash and cash equivalents |  |  | 509,102 |  |  |  | 588,530 |
Disclosure of detailed information about short term investments [Text Block] | As of December 31, 2020, and December 31, 2019, the short-term investments classified as cash and cash equivalents relate to mutual funds (investment liquidity funds) for investments in:
Institution |  | As of December 31, 2020 |  |  | As of December 31, 2019 |
|  | ThUS$ |  |  | ThUS$ |
Legg Mason - Western Asset Institutional Cash Reserves |  |  | 107,625 |  |  |  | 181,155 |
JP Morgan US dollar Liquidity Fund Institutional |  |  | 102,753 |  |  |  | 146,078 |
Total |  |  | 210,378 |  |  |  | 327,233 |
Disclosure of cash and cash equivalents by currency [Text Block] | As of December 31, 2020, and December 31, 2019, information on cash and cash equivalents by currency is detailed as follows:
Currency |  | As of December 31, 2020 |  |  | As of December 31, 2019 |
|  | ThUS$ |  |  | ThUS$ |
Peso (*) |  |  | 7,190 |  |  |  | 8,240 |
Dollar |  |  | 454,402 |  |  |  | 558,572 |
Euro |  |  | 17,144 |  |  |  | 3,131 |
Mexican Peso |  |  | 1,378 |  |  |  | 2,103 |
South African Rand |  |  | 14,286 |  |  |  | 3,929 |
Japanese Yen |  |  | 1,646 |  |  |  | 1,559 |
Peruvian Sol |  |  | 3 |  |  |  | 4 |
Indian rupee |  |  | 6 |  |  |  | 6 |
Chinese Yuan |  |  | 11,597 |  |  |  | 2,484 |
Indonesian rupee |  |  | 3 |  |  |  | 3 |
Argentine Peso |  |  | - |  |  |  | 3 |
Pound Sterling |  |  | 19 |  |  |  | 3 |
Australian Dollar |  |  | 1,411 |  |  |  | 8,492 |
South Korean won |  |  | 16 |  |  |  | - |
Dirham United Arab Emirates |  |  | - |  |  |  | - |
Polish Zloty |  |  | 1 |  |  |  | 1 |
Total |  |  | 509,102 |  |  |  | 588,530 |
(*) The Company maintains financial derivative instruments policies which allow management to convert term deposits denominated in pesos and UF to Dollars.
Disclosure of restricted cash and cash equivalents [text block] | As of December 31, 2020, and, December 31, 2019 pledged assets are as follows
Restricted cash balances |  | As of December 31, 2020 |  |  | As of December 31, 2019 |
|  | ThUS$ |  |  | ThUS$ |
Isapre Norte Grande Ltda. |  |  | 731 |  |  |  | 551 |
Total |  |  | 731 |  |  |  | 551 |
Disclosure of detailed information about short term deposits [Text Block] | The detail at the end of each period is as follows:
Receiver of the deposit |  | Type of deposit |  | Original Currency |  | Interest Rate |  |  | Placement date |  | Expiration date |  | Principal |  |  | Interest accrued to-date |  |  | As of December 31, 2020 |
|  |  |  |  |  |  |  |  |  |  |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |
Banco Santander - Santiago |  | Fixed term |  | Dollar |  |  | 0.35 | % |  | 12-30-2020 |  | 03-30-2021 |  |  | 7,000 |  |  |  | - |  |  |  | 7,000 |
Scotiabank Sud Americano |  | Fixed term |  | Dollar |  |  | 0.35 | % |  | 11-30-2020 |  | 01-08-2021 |  |  | 1,500 |  |  |  | 1 |  |  |  | 1,501 |
Banco de Chile |  | Fixed term |  | Dollar |  |  | 0.61 | % |  | 11-30-2020 |  | 01-08-2021 |  |  | 2,000 |  |  |  | 1 |  |  |  | 2,001 |
Banco de Chile |  | Fixed term |  | Dollar |  |  | 0.61 | % |  | 11-30-2020 |  | 01-08-2021 |  |  | 3,500 |  |  |  | 1 |  |  |  | 3,501 |
Banco crédito e inversiones |  | Fixed term |  | Dollar |  |  | 0.46 | % |  | 12-01-2020 |  | 01-15-2021 |  |  | 500 |  |  |  | - |  |  |  | 500 |
Scotiabank Sud Americano |  | Fixed term |  | Dollar |  |  | 0.4 | % |  | 12-01-2020 |  | 01-15-2021 |  |  | 500 |  |  |  | - |  |  |  | 500 |
Scotiabank Sud Americano |  | Fixed term |  | Dollar |  |  | 0.4 | % |  | 12-02-2020 |  | 01-20-2021 |  |  | 2,500 |  |  |  | 1 |  |  |  | 2,501 |
Banco Santander - Santiago |  | Fixed term |  | Dollar |  |  | 0.5 | % |  | 12-09-2020 |  | 01-25-2021 |  |  | 500 |  |  |  | - |  |  |  | 500 |
Scotiabank Sud Americano |  | Fixed term |  | Dollar |  |  | 0.5 | % |  | 12-09-2020 |  | 01-25-2021 |  |  | 1,000 |  |  |  | - |  |  |  | 1,000 |
Banco Santander - Santiago |  | Fixed term |  | Dollar |  |  | 0.5 | % |  | 12-09-2020 |  | 01-25-2021 |  |  | 6,000 |  |  |  | 1 |  |  |  | 6,001 |
Banco crédito e inversiones |  | Fixed term |  | Dollar |  |  | 0.51 | % |  | 12-09-2020 |  | 01-25-2021 |  |  | 6,000 |  |  |  | 1 |  |  |  | 6,001 |
Banco crédito e inversiones |  | Fixed term |  | Dollar |  |  | 0.26 | % |  | 12-14-2020 |  | 01-29-2021 |  |  | 500 |  |  |  | - |  |  |  | 500 |
Banco Estado |  | Fixed term |  | Dollar |  |  | 0.14 | % |  | 12-14-2020 |  | 01-29-2021 |  |  | 1,000 |  |  |  | 1 |  |  |  | 1,001 |
Scotiabank Sud Americano |  | Fixed term |  | Dollar |  |  | 0.4 | % |  | 12-14-2020 |  | 01-29-2021 |  |  | 1,500 |  |  |  | - |  |  |  | 1,500 |
Banco de Chile |  | Fixed term |  | Dollar |  |  | 0.56 | % |  | 12-14-2020 |  | 01-29-2021 |  |  | 5,000 |  |  |  | 1 |  |  |  | 5,001 |
Banco Itaú Corpbanca |  | Fixed term |  | Dollar |  |  | 0.68 | % |  | 12-18-2020 |  | 01-01-2021 |  |  | 500 |  |  |  | - |  |  |  | 500 |
Banco Itaú Corpbanca |  | Fixed term |  | Dollar |  |  | 0.68 | % |  | 12-18-2020 |  | 02-01-2021 |  |  | 2,000 |  |  |  | 1 |  |  |  | 2,001 |
Banco crédito e inversiones |  | Fixed term |  | Dollar |  |  | 0.2 | % |  | 12-23-2020 |  | 02-05-2021 |  |  | 2,000 |  |  |  | 1 |  |  |  | 2,001 |
Banco Itaú Corpbanca |  | Fixed term |  | Dollar |  |  | 0.4 | % |  | 12-24-2020 |  | 02-08-2021 |  |  | 1,000 |  |  |  | - |  |  |  | 1,000 |
Banco Santander - Santiago |  | Fixed term |  | Dollar |  |  | 0.26 | % |  | 12-29-2020 |  | 01-08-2021 |  |  | 2,500 |  |  |  | 1 |  |  |  | 2,501 |
Banco Santander - Santiago |  | Fixed term |  | Dollar |  |  | 0.15 | % |  | 12-30-2020 |  | 02-12-2021 |  |  | 700 |  |  |  | - |  |  |  | 700 |
Banco Itaú Corpbanca |  | Fixed term |  | Peso |  |  | 0.35 | % |  | 12-29-2020 |  | 01-05-2021 |  |  | 3,798 |  |  |  | - |  |  |  | 3,798 |
BBVA Banco Francés |  | Fixed term |  | Dollar |  |  | 1.8 | % |  | 12-31-2020 |  | 03-06-2021 |  |  | 86 |  |  |  | - |  |  |  | 86 |
Total |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 51,584 |  |  |  | 11 |  |  |  | 51,595 |
Receiver of the deposit |  | Type of deposit |  | Original Currency |  | Interest Rate |  |  | Placement date |  | Expiration date |  | Principal |  |  | Interest accrued to-date |  |  | As of December 31, 2019 |
|  |  |  |  |  |  |  |  |  |  |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |
Banco crédito e inversiones |  | Fixed term |  | Dollar |  |  | 3.45 | % |  | 11-18-2019 |  | 02-13-2020 |  |  | 18,000 |  |  |  | 74 |  |  |  | 18,074 |
Banco crédito e inversiones |  | Fixed term |  | Dollar |  |  | 2.85 | % |  | 12-26-2019 |  | 02-20-2020 |  |  | 20,000 |  |  |  | 8 |  |  |  | 20,008 |
Banco de Chile |  | Fixed term |  | Dollar |  |  | 3.45 | % |  | 11-15-2019 |  | 01-23-2020 |  |  | 14,000 |  |  |  | 62 |  |  |  | 14,062 |
Banco de Chile |  | Fixed term |  | Dollar |  |  | 3.50 | % |  | 11-15-2019 |  | 01-09-2020 |  |  | 18,000 |  |  |  | 80 |  |  |  | 18,080 |
Banco de Chile |  | Fixed term |  | Dollar |  |  | 3.45 | % |  | 11-15-2019 |  | 01-16-2020 |  |  | 18,000 |  |  |  | 79 |  |  |  | 18,079 |
Banco Itaú Corpbanca |  | Fixed term |  | Dollar |  |  | 2.90 | % |  | 12-26-2019 |  | 02-20-2020 |  |  | 33,000 |  |  |  | 13 |  |  |  | 33,013 |
Scotiabank Sud Americano |  | Fixed term |  | Peso |  |  | 2.16 | % |  | 12-30-2019 |  | 01-08-2020 |  |  | 6,812 |  |  |  | - |  |  |  | 6,812 |
Banco crédito e inversiones |  | Fixed term |  | Dollar |  |  | 3.51 | % |  | 11-21-2019 |  | 01-28-2020 |  |  | 1,000 |  |  |  | 4 |  |  |  | 1,004 |
Banco crédito e inversiones |  | Fixed term |  | Dollar |  |  | 3.75 | % |  | 12-02-2019 |  | 02-27-2020 |  |  | 2,000 |  |  |  | 6 |  |  |  | 2,006 |
Banco crédito e inversiones |  | Fixed term |  | Dollar |  |  | 3.60 | % |  | 11-25-2019 |  | 01-28-2020 |  |  | 1,000 |  |  |  | 4 |  |  |  | 1,004 |
Banco Estado |  | Fixed term |  | Dollar |  |  | 2.15 | % |  | 12-16-2019 |  | 01-06-2020 |  |  | 500 |  |  |  | - |  |  |  | 500 |
Banco Santander - Santiago |  | Fixed term |  | Dollar |  |  | 2.55 | % |  | 12-09-2019 |  | 02-04-2020 |  |  | 1,700 |  |  |  | 3 |  |  |  | 1,703 |
Banco Itaú Corpbanca |  | Fixed term |  | Dollar |  |  | 2.55 | % |  | 12-16-2019 |  | 01-06-2020 |  |  | 2,500 |  |  |  | 3 |  |  |  | 2,503 |
Banco Itaú Corpbanca |  | Fixed term |  | Dollar |  |  | 3.64 | % |  | 11-29-2019 |  | 02-13-2020 |  |  | 1,500 |  |  |  | 5 |  |  |  | 1,505 |
Banco Itaú Corpbanca |  | Fixed term |  | Dollar |  |  | 2.80 | % |  | 11-12-2019 |  | 01-28-2020 |  |  | 2,000 |  |  |  | 8 |  |  |  | 2,008 |
Banco Santander - Santiago |  | Fixed term |  | Dollar |  |  | 2.33 | % |  | 10-16-2019 |  | 01-12-2020 |  |  | 1,000 |  |  |  | 5 |  |  |  | 1,005 |
Scotiabank Sud Americano |  | Fixed term |  | Dollar |  |  | 2.45 | % |  | 12-17-2019 |  | 01-13-2020 |  |  | 3,600 |  |  |  | 3 |  |  |  | 3,603 |
Scotiabank Sud Americano |  | Fixed term |  | Dollar |  |  | 3.20 | % |  | 11-13-2019 |  | 01-30-2020 |  |  | 500 |  |  |  | 2 |  |  |  | 502 |
Scotiabank Sud Americano |  | Fixed term |  | Dollar |  |  | 3.40 | % |  | 12-02-2019 |  | 02-27-2020 |  |  | 2,000 |  |  |  | 5 |  |  |  | 2,005 |
Scotiabank Sud Americano |  | Fixed term |  | Dollar |  |  | 3.45 | % |  | 11-18-2019 |  | 01-30-2020 |  |  | 1,500 |  |  |  | 6 |  |  |  | 1,506 |
BBVA Banco Francés |  | Fixed term |  | Dollar |  |  | 39 | % |  | 12-26-2019 |  | 01-27-2020 |  |  | 52 |  |  |  | 1 |  |  |  | 53 |
Banco Itaú S.A. |  | On demand |  | Dollar |  |  | 8 | % |  | 10-17-2019 |  | 01-17-2020 |  |  | 64 |  |  |  | - |  |  |  | 64 |
Total |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 148,728 |  |  |  | 371 |  |  |  | 149,099 |
Disclosure of reconciliation of liabilities arising from financing activities [text block] | This section sets out an analysis of net debt and relating movements for each of the periods presented. The definition of the net debt is described in Note 20.1.
Net debt |  | As of December 31, 2020 |  |  | As of December 31, 2019 |
|  | ThUS$ |  |  | ThUS$ |
Cash and cash equivalents |  |  | 509,102 |  |  |  | 588,530 |
Other current financial assets |  |  | 348,069 |  |  |  | 505,490 |
Other non-current financial hedge assets |  |  | 37,276 |  |  |  | 3,918 |
Other current financial liabilities |  |  | (68,955 | ) |  |  | (291,128 | )
Lease liabilities, current |  |  | (5,528 | ) |  |  | (7,694 | )
Other non-current financial liabilities |  |  | (1,899,513 | ) |  |  | (1,488,723 | )
Lease liabilities, non-current |  |  | (25,546 | ) |  |  | (30,203 | )
Total |  |  | (1,105,095 | ) |  |  | (719,810 | )
|  | As of |  |  | From cash flow |  |  | Not from cash flow |  |  | As of |
Cash and cash equivalents |  | December 31, 2019 |  |  | Amounts from loans |  |  | Amounts from interests |  |  | Other cash income/expenses |  |  | Hedging and non- hedging instruments |  |  | Exchange rate differences |  |  | Others |  |  | December 31, 2020 |
|  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |
Obligations with the public and bank loans |  |  | (1,753,028 | ) |  |  | (136,692 | ) |  |  | 73,933 |  |  |  | 7,819 |  |  |  | - |  |  |  | (33,280 | ) |  |  | (81,616 | ) |  |  | (1,922,864 | )
Current and non-current lease liabilities |  |  | (37,897 | ) |  |  | 8,015 |  |  |  | 1,133 |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | (2,325 | ) |  |  | (31,074 | )
Financial instruments derived from hedging |  |  | (23,655 | ) |  |  | 814 |  |  |  | 7,634 |  |  |  | - |  |  |  | (20,909 | ) |  |  | - |  |  |  | (4,094 | ) |  |  | (40,210 | )
Financial instruments derived from non-hedging |  |  | (3,169 | ) |  |  | - |  |  |  | - |  |  |  | - |  |  |  | (2,226 | ) |  |  | - |  |  |  | - |  |  |  | (5,395 | )
Current and non-current financial liabilities |  |  | (1,817,749 | ) |  |  | (127,863 | ) |  |  | 82,700 |  |  |  | 7,819 |  |  |  | (23,135 | ) |  |  | (33,280 | ) |  |  | (88,035 | ) |  |  | (1,999,543 | )
Cash and cash equivalents |  |  | 588,530 |  |  |  | - |  |  |  | - |  |  |  | (78,988 | ) |  |  | - |  |  |  | (440 | ) |  |  | - |  |  |  | 509,102 |
Deposits that do not qualify as cash and cash equivalents |  |  | 485,689 |  |  |  | - |  |  |  | - |  |  |  | (123,196 | ) |  |  | - |  |  |  | (14,032 | ) |  |  | (3,002 | ) |  |  | 345,459 |
Derivatives from hedge assets |  |  | 21,188 |  |  |  | - |  |  |  | (1,216 | ) |  |  | (39,290 | ) |  |  | 56,207 |  |  |  | - |  |  |  | 388 |  |  |  | 37,277 |
Derivatives from other financial non-hedge assets |  |  | 2,532 |  |  |  | - |  |  |  | - |  |  |  | 6,902 |  |  |  | (6,824 | ) |  |  | - |  |  |  | - |  |  |  | 2,610 |
Total |  |  | (719,810 | ) |  |  | (127,863 | ) |  |  | 81,484 |  |  |  | (226,753 | ) |  |  | 26,248 |  |  |  | (47,752 | ) |  |  | (90,649 | ) |  |  | (1,105,095 | )

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