Property and Equipment (Tables)

12 Months Ended

Dec. 31, 2018

Text block [abstract]

Summary of property and equipment

(1) Property and equipment as of December 31, 2018 and 2017 are as follows:

(In millions of won)
	December 31, 2018
	Acquisition cost		Accumulated depreciation			Accumulated impairment loss			Carrying amount
Land	￦	938,344		—			—			938,344
Buildings		1,670,486		(807,192	)		—			863,294
Structures		883,032		(525,537	)		(1,456	)		356,039
Machinery		32,096,543		(24,922,091	)		(27,728	)		7,146,724
Other		2,182,960		(1,331,971	)		(2,393	)		848,596
Construction in progress		565,357		—			—			565,357
	￦	38,336,722		(27,586,791	)		(31,577	)		10,718,354

(In millions of won)
	December 31, 2017
	Acquisition cost		Accumulated depreciation			Accumulated impairment loss			Carrying amount
Land	￦	862,861		—			—			862,861
Buildings		1,638,749		(756,099	)		—			882,650
Structures		866,909		(488,334	)		—			378,575
Machinery		30,343,739		(23,262,762	)		(1,179	)		7,079,798
Other		1,722,441		(1,188,893	)		(2,491	)		531,057
Construction in progress		409,941		—			—			409,941
	￦	35,844,640		(25,696,088	)		(3,670	)		10,144,882

Changes in property and equipment

(2) Changes in property and equipment for the years ended December 31, 2018 and 2017 are as follows:

(In millions of won)
	2018
	Beginning balance		Acquisition		Disposal			Transfer			Depreci- ation			Impair- ment(*1)			Business Combinations(*2)		Disposal of subsidiaries			Ending balance
Land	￦	862,861		4,734		(7,151	)		15,062			—			—			62,838		—			938,344
Buildings		882,650		5,858		(4,313	)		25,249			(52,153	)		—			6,003		—			863,294
Structures		378,575		9,188		(36	)		5,859			(36,091	)		(1,456	)		—		—			356,039
Machinery		7,079,798		806,520		(74,465	)		1,347,320			(2,214,957	)		(27,264	)		229,772		—			7,146,724
Other		531,057		892,103		(7,408	)		(539,068	)		(148,223	)		—			123,214		(3,079	)		848,596
Construction in progress		409,941		1,223,410		(3,906	)		(1,078,539	)		—			—			14,451		—			565,357
	￦	10,144,882		2,941,813		(97,279	)		(224,117	)		(2,451,424	)		(28,720	)		436,278		(3,079	)		10,718,354

(*1) The Group recognized impairment losses for obsolete assets during the year ended December 31, 2018.

(*2) Includes assets from the acquisitions of id Quantique SA, Life & Security Holdings Co., Ltd. and SK Infosec Co., Ltd.

(In millions of won)
	2017
	Beginning balance		Acquisition		Disposal			Transfer			Depreciation			Impairment			Business Combination		Other			Ending balance
Land	￦	835,909		13,093		(4,449	)		18,308			—			—			—		—			862,861
Buildings		899,972		5,098		(477	)		29,614			(51,557	)		—			—		—			882,650
Structures		358,955		46,614		(74	)		8,386			(35,306	)		—			—		—			378,575
Machinery		7,036,050		656,731		(41,692	)		1,644,045			(2,214,524	)		(778	)		—		(34	)		7,079,798
Other		563,034		720,431		(9,252	)		(597,404	)		(143,261	)		(2,234	)		315		(572	)		531,057
Construction in progress		680,292		1,317,389		(4,172	)		(1,583,560	)		—			—			—		(8	)		409,941
	￦	10,374,212		2,759,356		(60,116	)		(480,611	)		(2,444,648	)		(3,012	)		315		(614	)		10,144,882