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Financial Items (Tables) | 12 Months Ended
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Dec. 31, 2020
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Summary of Financial Items | The detail of financial income and other items, net in 2020, 2019 and 2018 was as follows:
|  |  |  |  | 2020 |  |  | 2019 |  |  | 2018 |
Effects of amortized cost on assets and liabilities and others, net 1 |  | $ |  |  |  |  | (122 | ) |  |  | (59 | ) |  |  | (59 | )
Results from financial instruments, net (notes 14.2 and 17.4) |  |  |  |  |  |  | (17 | ) |  |  | (1 | ) |  |  | 39 |
Foreign exchange results |  |  |  |  |  |  | 6 |  |  |  | (32 | ) |  |  | 10 |
Financial income |  |  |  |  |  |  | 20 |  |  |  | 21 |  |  |  | 18 |
Others |  |  |  |  |  |  | 3 |  |  |  | — |  |  |  | (10 | )
|  | $ |  |  |  |  | (110 | ) |  |  | (71 | ) |  |  | (2 | )

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