| (5) | Details of temporary differences, unused tax loss carryforwards and unused tax credits carryforwards which are not recognized as deferred tax assets, in the consolidated statements of financial position as of December 31, 2017 and 2016 are as follows: |
| (In millions of won) | ||||||||
| December 31, 2017 | December 31, 2016 | |||||||
|
Allowance for doubtful accounts |
￦ | 88,521 | 165,935 | |||||
|
Investments in subsidiaries, associates and joint ventures |
168,268 | 228,025 | ||||||
|
Other temporary differences |
425,653 | 320,260 | ||||||
|
Unused tax loss carryforwards |
921,309 | 755,050 | ||||||
|
Unused tax credit carryforwards |
4,092 | 1,211 | ||||||