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Other Income and Expense (Tables)

12 Months Ended

Dec. 31, 2019

Disclosure of other operating income (expense) [Abstract]

Other income for the years ended December 31, 2017, 2018 and 2019 are as follows:


						2017				2018				2019
						In millions of won
Reversal of other provisions			￦				35,265				12,700				16,542
Reversal of other allowance for doubtful accounts							2,166				143				—
Gains on government grants							430				482				281
Gains on assets contributed							4,218				17,336				6,921
Gains on liabilities exempted							3,166				10,303				916
Compensation and reparations revenue							89,196				89,901				113,292
Revenue from research contracts							12,580				6,818				5,276
Income related to transfer of assets from customers							478,973				594,548				604,808
Rental income							192,136				186,631				191,088
Others							50,988				51,032				58,849

			￦				869,118				969,894				997,973

Details of others of other income

Details of “others” included in other income for the years ended December 31, 2017, 2018 and 2019 are as follows:


						2017				2018				2019
						In millions of won
Refund of claim for rectification			￦				9,655				8,933				1,969
Adjustment of research project							3,884				2,267				3,294
Maintenance expenses on lease building							135				176				153
Training expenses							3,045				3,220				3,167
Deposit redemption							34				7				436
Reversal of expenses on litigation							360				753				9,926
Revenue on royalty fee							2,888				6,909				—
Reimbursement of insurance fee							1,498				7,145				610
Gains on guarantee contracts							456				39				135
Others							29,033				21,583				39,159

			￦				50,988				51,032				58,849

Other expenses for the years ended December 31, 2017, 2018 and 2019 are as follows:


						2017				2018				2019
						In millions of won
Compensation and indemnification expense			￦				37				23,437				403
Accretion expenses of other provisions							7,535				41,924				7,939
Depreciation expenses on investment properties							1,176				923				5,069
Depreciation expenses on idle assets							6,644				6,547				6,542
Other bad debt expense							1,778				17,827				29,348
Donations							119,421				63,743				64,752
Others							43,464				76,929				127,860

			￦				180,055				231,330				241,913

Details of others of other expense

Details of “others” included in other expenses for the years ended December 31, 2017, 2018 and 2019 are as follows:


						2017				2018				2019
						In millions of won
Operating expenses related to the idle assets			￦				136				47				49
Research grants							1,180				461				399
Supporting expenses on farming and fishing village							11,956				13,537				13,991
Operating expenses on fitness center							3,498				4,788				5,234
Expenses on adjustment of research and development grants							806				404				554
Taxes and dues							2,270				199				188
Expenses on R&D supporting							5,459				53				67
Others							18,159				57,440				107,378

			￦				43,464				76,929				127,860