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Other Income and Expense (Tables)

12 Months Ended

Dec. 31, 2021

Disclosure of other operating income (expense) [Abstract]

Summary of Other Income

(1)	Other income for the years ended December 31, 2019, 2020 and 2021 are as follows:


						2019				2020				2021
						In millions of won
Reversal of other provisions			￦				16,542				25,826				15,548
Reversal of other allowance for doubtful accounts							—				2,465				98
Gains on government grants							281				269				458
Gains on assets contributed							6,921				24,324				9,347
Gains on liabilities exempted							916				1,314				1,830
Compensation and reparations revenue							113,292				95,407				104,826
Revenue from foundation fund							—				—				1
Revenue from research contracts							5,276				4,001				5,996
Income related to transfer of assets from customers							604,808				643,477				661,212
Rental income							191,088				193,567				204,123
Others							58,849				45,798				30,694

			￦				997,973				1,036,448				1,034,133

Summary of Details of Others of Other Income

(2)	Details of “others” included in other income for the years ended December 31, 2019, 2020 and 2021 are as follows:


						2019				2020				2021
						In millions of won
Refund of claim for rectification			￦				1,969				11,880				7,274
Adjustment of research project							3,294				2,150				7,638
Maintenance expenses on lease building							153				2,785				160
Training expenses							3,167				3,852				1,739
Deposit redemption							436				314				378
Reversal of expenses on litigation							9,926				620				991
Revenue on royalty fee							—				—				173
Reimbursement of insurance fee							610				22				1
Gains on guarantee contracts							135				134				27
Others							39,159				24,041				12,313

			￦				58,849				45,798				30,694

Summary of Other Expense

(3)	Other expenses for the years ended December 31, 2019, 2020 and 2021 are as follows:


						2019				2020				2021
						In millions of won
Compensation and indemnification expense			￦				403				11,959				663
Accretion expenses of other provisions							7,939				17,991				2,711
Depreciation expenses on investment properties							5,069				1,453				1,386
Depreciation expenses on idle assets							6,542				6,604				3,621
Other bad debt expense							29,348				32,503				49,372
Donations							64,752				316,981				152,456
Others							127,860				30,229				47,723

			￦				241,913				417,720				257,932

Summary of Others of Other Expense

(4)	Details of “others” included in other expenses for the years ended December 31, 2019, 2020 and 2021 are as follows:


						2019				2020				2021
						In millions of won
Operating expenses related to the idle assets			￦				49				46				44
Research grants							399				91				109
Expenses related to farming and fishing village supports							13,991				16,115				17,065
Expenses related to Operating of a fitness center							5,234				5,101				6,948
Expenses on adjustment of research and development grants							554				720				2,241
Taxes and dues							188				253				119
Expenses on R&D supports							67				242				861
Others							107,378				7,661				20,336

			￦				127,860				30,229				47,723