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Non-Financial Assets | 12 Months Ended
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Dec. 31, 2020
Non-Financial Assets [Abstract] |
Non-Financial Assets |
15. | Non-Financial Assets
Non-financial assets as of December 31, 2019 and 2020 are as follows:
|  |  |  |  | 2019 |  |  | 2020 |
|  |  |  |  | Current |  |  | Non-current |  |  | Current |  |  | Non-current |
|  |  |  |  | In millions of won |
Advanced payments |  | ￦ |  |  |  |  | 147,784 |  |  |  | 2,694 |  |  |  | 169,737 |  |  |  | 32,693 |
Prepaid expenses |  |  |  |  |  |  | 308,017 |  |  |  | 84,421 |  |  |  | 216,073 |  |  |  | 140,730 |
Others(*1) |  |  |  |  |  |  | 750,576 |  |  |  | 79,814 |  |  |  | 634,348 |  |  |  | 72,969 |
|  | ￦ |  |  |  |  | 1,206,377 |  |  |  | 166,929 |  |  |  | 1,020,158 |  |  |  | 246,392 |
| (*1) | Details of others as of December 31, 2019 and 2020 are as follows:
|  |  |  |  | 2019 |  |  | 2020 |
|  |  |  |  | Current |  |  | Non-current |  |  | Current |  |  | Non-current |
|  |  |  |  | In millions of won |
Greenhouse gasemissions rights |  | ￦ |  |  |  |  | 437,562 |  |  |  | — |  |  |  | 357,355 |  |  |  | — |
Other quick assets(*2) |  |  |  |  |  |  | 313,014 |  |  |  | 79,814 |  |  |  | 276,993 |  |  |  | 72,969 |
|  | ￦ |  |  |  |  | 750,576 |  |  |  | 79,814 |  |  |  | 634,348 |  |  |  | 72,969 |
| (*2) | The Company recognized an impairment loss of ￦49,201 million as it was determined that there is an objective evidence of impairment related to its rights to equity interest in Orano Expansion for the year ended December 31, 2019.

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