Allowance for doubtful accounts as of December 31, 2016 and 2017 are as follows:
| 2016 | 2017 | |||||||
| (in millions of Won) | ||||||||
|
Trade accounts and notes receivable |
￦ | 558,125 | 634,129 | |||||
|
Other accounts receivable |
203,346 | 187,706 | ||||||
|
Loans |
210,346 | 258,957 | ||||||
|
Other assets |
5,954 | 13,672 | ||||||
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| ￦ | 977,771 | 1,094,464 | ||||||
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