| Details of the fair value of plan assets as of December 31, 2016 and 2017 are as follows: |
| 2016 | 2017 | |||||||||||
| In millions of won | ||||||||||||
|
Equity instruments |
₩ | 86,054 | 79,204 | |||||||||
|
Debt instruments |
383,654 | 517,040 | ||||||||||
|
Bank deposit |
305,670 | 293,477 | ||||||||||
|
Others |
413,529 | 585,920 | ||||||||||
|
|
|
|
|
|||||||||
| ₩ | 1,188,907 | 1,475 | ||||||||||