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Non-Financial Assets | 12 Months Ended
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Dec. 31, 2019
Non-Financial Assets [Abstract] |
Non-Financial Assets |
15. | Non-Financial Assets
Non-financial assets as of December 31, 2018 and 2019 are as follows:
|  |  |  |  | 2018 |  |  | 2019 |
|  |  |  |  | Current |  |  | Non-current |  |  | Current |  |  | Non-current |
|  |  |  |  | In millions of won |
Advanced payment |  | ￦ |  |  |  |  | 156,073 |  |  |  | 160,628 |  |  |  | 147,784 |  |  |  | 2,694 |
Prepaid expenses(*1) |  |  |  |  |  |  | 290,944 |  |  |  | 90,449 |  |  |  | 308,017 |  |  |  | 84,421 |
Others(*2) |  |  |  |  |  |  | 431,871 |  |  |  | 76,075 |  |  |  | 750,576 |  |  |  | 79,814 |
|  | ￦ |  |  |  |  | 878,888 |  |  |  | 327,152 |  |  |  | 1,206,377 |  |  |  | 166,929 |
| (*1) | Prepaid expenses of ￦4,353 million as of December 31, 2018 was recorded as right-of-assets as of December 31, 2019 due to change in accounting policy.
| (*2) | Details of others as of December 31, 2018 and 2019 are as follows:
|  |  |  |  | 2018 |  |  | 2019 |
|  |  |  |  | Current |  |  | Non-current |  |  | Current |  |  | Non-current |
|  |  |  |  | In millions of won |
Greenhouse gas emissions rights |  | ￦ |  |  |  |  | 93,749 |  |  |  | — |  |  |  | 437,562 |  |  |  | — |
Other quick assets, etc.(*3) |  |  |  |  |  |  | 338,122 |  |  |  | 76,075 |  |  |  | 313,014 |  |  |  | 79,814 |
|  | ￦ |  |  |  |  | 431,871 |  |  |  | 76,075 |  |  |  | 750,576 |  |  |  | 79,814 |
| (*3) | The Company recognized ￦92,128 million of its rights in connection with the securities of Orano Expansion as non-current non-financial assets as of December 31, 2018. The Company recognized an impairment loss of ￦87,023 million as it was determined that there is objective evidence of impairment related to its rights to equity interest in and loans to Orano Expansion for the year ended December 31, 2018. In addition, during the current year, the Company converted its loans with Orano Expansion into equity. The Company recognized an impairment loss of ￦49,201 million as it was determined that there is objective evidence of impairment related to the rights of equity interest in Orano Expansion.

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