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Financial Items (Tables) | 12 Months Ended
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Dec. 31, 2021
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Summary of Financial Items | The detail of financial income and other items, net in 2021, 2020 and 2019 was as follows:
|  | 2021 |  |  | 2020 |  |  | 2019 |
Effects of amortized cost on assets and liabilities and others, net 1 |  | $ | (28 | ) |  |  | (89 | ) |  |  | (20 | )
Net interest cost of pension liabilities (note 20) |  |  | (31 | ) |  |  | (33 | ) |  |  | (39 | )
Results from financial instruments, net (notes 15.2 and 18.4) |  |  | (6 | ) |  |  | (17 | ) |  |  | (1 | )
Foreign exchange results |  |  | (37 | ) |  |  | (3 | ) |  |  | (23 | )
Financial income |  |  | 22 |  |  |  | 20 |  |  |  | 18 |
Others |  |  | 2 |  |  |  | 4 |  |  |  | — |
|  | $ | (78 | ) |  |  | (118 | ) |  |  | (65 | )

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