Presentation of leases for lessee [Abstract]

Disclosure of Changes in right-of-use assets

Changes in right-of-use assets for the years ended December 31, 2019 and 2020 are as follows:


		2019
		Beginning balance		Changes in accounting policies(*)		Increase		Depreciation			Ending balance
		In millions of won
Land	￦		—		684,386		8,717		(49,029	)		644,074
Buildings			—		36,874		18,106		(20,403	)		34,577
Structures			—		20,840		7,358		(2,554	)		25,644
Machinery			—		—		1,308		(484	)		824
Ships			—		3,986,947		126,807		(425,465	)		3,688,289
Vehicles			—		11,258		9,559		(7,109	)		13,708
Others			—		403,346		49,141		(76,030	)		376,457

	￦		—		5,143,651		220,996		(581,074	)		4,783,573

(*)

Including transferred amount of ￦195,704 million, which was classified as finance lease assets as of December 31, 2018.


		2020
		Beginning balance		Increase		Depreciation			Decrease			Others			Ending balance
		In millions of won
Land	￦		644,074		12,269		(52,069	)		—			102,305			706,579
Buildings			34,577		53,182		(37,609	)		(803	)		(2,125	)		47,222
Structures			25,644		260		(1,485	)		—			(3,933	)		20,486
Machinery			824		—		(129	)		—			—			695
Ships			3,688,289		183,789		(427,221	)		—			(7,494	)		3,437,363
Vehicles			13,708		9,009		(7,747	)		(21	)		(1,424	)		13,525
Others			376,457		32,825		(59,994	)		(3	)		(32,989	)		316,296

	￦		4,783,573		291,334		(586,254	)		(827	)		54,340			4,542,166

Disclosure of liquidity classification of lease liabilities

The details of the liquidity classification of lease liabilities as of December 31, 2019 and 2020 are as follows:


		2019		2020
		In millions of won
Current lease liabilities	￦		635,349		576,665
Non-current lease liabilities			4,434,784		4,044,431

	￦		5,070,133		4,621,096

Disclosure of details of expense relating to lease contracts as lessee

Details of expense relating to lease contracts as lessee for the year ended December 31, 2019 and 2020 are as follows:


		2019			2020
		In millions of won
Depreciation of right-of-use assets	￦		581,074			586,254
Interest expenses of lease liabilities			85,950			111,782
Leases expenses for short-term leases			20,127			45,787
Leases expenses for leases of low-value assets			1,616			2,796
Variable lease payments			(15,912	)		33,267

	￦		672,855			779,886

Disclosure of maturity analysis of finance lease payments receivable

Maturity analysis of the lease payments receivable and reconciliation of the undiscounted lease payments to the net investment in the lease as of December 31, 2019 and 2020 are as follows:


		2019			2020
		In millions of won
Less than 1 year	￦		173,093			162,211
1 ~ 2 years			150,895			148,485
2 ~ 3 years			150,596			144,913
3 ~ 4 years			149,364			139,605
4 ~ 5 years			145,964			136,962
More than 5 years			1,740,652			1,583,576

			2,510,564			2,315,752
Less : Unearned finance income			(1,331,723	)		(1,192,686	)

Net investment in the lease(*)	￦		1,178,841			1,123,066

(*)

Including the present value of unguaranteed residual value amounting to ￦15,946 million and ￦16,407 million, as of December 31, 2019 and 2020, respectively.