| 32. | Other Operating Income and Expenses |
Details of other operating income and expenses for the years ended December 31, 2015, 2016 and 2017 were as follows:
| 2015 | 2016 | 2017 | ||||||||||
| (in millions of Won) | ||||||||||||
|
Other operating income |
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|
Gain on disposal of assets held for sale |
￦ | 227,956 | 23,112 | 1,180 | ||||||||
|
Gain on disposal of investments in subsidiaries, associates and joint ventures |
88,718 | 23,305 | 81,794 | |||||||||
|
Gain on disposal of property, plant and equipment |
22,730 | 23,826 | 32,145 | |||||||||
|
Gain on disposal of intangible assets |
1,432 | 671 | 23,391 | |||||||||
|
Recovery of allowance for other doubtful accounts |
10,452 | 12,658 | 2,743 | |||||||||
|
Gain on valuation of firm commitment |
— | — | 56,301 | |||||||||
|
Rental revenues |
1,019 | 1,771 | 1,498 | |||||||||
|
Gain on insurance proceeds |
14,976 | 22,400 | 5,878 | |||||||||
|
Others (*1) |
181,765 | 107,393 | 246,294 | |||||||||
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| ￦ | 549,048 | 215,136 | 451,224 | |||||||||
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Other operating expenses |
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|
Impairment losses on assets held for sale |
￦ | (133,547 | ) | (24,890 | ) | — | ||||||
|
Loss on disposal of assets held for sale |
(190,357 | ) | (254 | ) | (608 | ) | ||||||
|
Loss on disposal of investments in subsidiaries, associates and joint ventures |
(18,996 | ) | (22,499 | ) | (19,985 | ) | ||||||
|
Loss on disposal of property, plant and equipment |
(101,732 | ) | (86,622 | ) | (151,343 | ) | ||||||
|
Impairment losses on property, plant and equipment |
(136,269 | ) | (196,882 | ) | (117,231 | ) | ||||||
|
Impairment losses on goodwill and intangible assets |
(161,412 | ) | (127,875 | ) | (167,995 | ) | ||||||
|
Other bad debt expenses |
(158,071 | ) | (50,225 | ) | (100,920 | ) | ||||||
|
Loss on valuation of firm commitment |
— | — | (43,164 | ) | ||||||||
|
Idle tangible asset expenses |
(12,773 | ) | (6,437 | ) | (10,490 | ) | ||||||
|
Incease to provisions |
(18,396 | ) | (53,058 | ) | (33,964 | ) | ||||||
|
Donations |
(62,957 | ) | (43,810 | ) | (51,424 | ) | ||||||
|
Others (*2) |
(447,788 | ) | (143,168 | ) | (95,172 | ) | ||||||
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| ￦ | (1,442,298 | ) | (755,720 | ) | (792,296 | ) | ||||||
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| (*1) | The Company recognized the refund of VAT and others amounting to ￦160,501 million as other operating income for the year ended December 31, 2017, based on the result of the tax amounts to be refunded when the result of the Company’s appeal in connection with the additional income tax payment in prior years tax audits for rectification were finalized. |
| (*2) | The Company paid ￦299,037 million in connection with its settlement with Nippon Steel & Sumitomo Metal Corporation for a civil lawsuit regarding improperly acquired trade secrets and patents for the year ended December 31, 2015. |