(a) Changes in property, plant and equipment for the year ended December 31, 2017 are as follows:


(In millions of won)
	Land			Buildings and structures			Machinery and equipment			Furniture and fixtures			Construction- in-progress *(1)**			Others			Total
Acquisition cost as of January 1, 2017	W	461,484			6,284,778			37,472,177			775,682			2,981,964			202,306			48,178,391
Accumulated depreciation as of January 1, 2017		—			(2,397,967	)		(32,947,359	)		(651,424	)		—			(146,251	)		(36,143,001	)
Accumulated impairment loss as of January 1, 2017		—			(1,651	)		(2,290	)		—			—			—			(3,941	)

Book value as of January 1, 2017	W	461,484			3,885,160			4,522,528			124,258			2,981,964			56,055			12,031,449
Additions		—			—			—			—			7,272,476			—			7,272,476
Depreciation		—			(295,045	)		(2,416,202	)		(66,963	)		—			(13,673	)		(2,791,883	)
Disposals		(1,042	)		(7,206	)		(75,275	)		(52	)		—			(3,133	)		(86,708	)
Others(*2)		69			339,640			3,825,155			87,186			(4,270,210	)		18,160			—
Effect of movements in exchange rates		—			(63,222	)		(140,306	)		(3,087	)		(14,213	)		(687	)		(221,515	)
Government grants received		—			(548	)		(3,150	)		—			1,839			—			(1,859	)

Book value as of December 31, 2017	W	460,511			3,858,779			5,712,750			141,342			5,971,856			56,722			16,201,960

Acquisition cost as of December 31, 2017	W	460,511			6,539,506			38,901,158			772,824			5,971,856			205,475			52,851,330

Accumulated depreciation as of December 31, 2017	W	—			(2,678,970	)		(33,186,118	)		(631,482	)		—			(148,753	)		(36,645,323	)

Accumulated impairment loss as of December 31, 2017	W	—			(1,757	)		(2,290	)		—			—			—			(4,047	)

(*1)	As of December 31, 2017, construction-in-progress mainly relates to construction of manufacturing facilities.

(*2)	Others are mainly amounts transferred from construction-in-progress.

(b)

Changes in property, plant and equipment for the year ended December 31, 2018 are as follows:


(In millions of won)
	Land			Buildings and structures			Machinery and equipment			Furniture and fixtures			Construction- in-progress *(1)**			Others			Total
Acquisition cost as of January 1, 2018	W	460,511			6,539,506			38,901,158			772,824			5,971,856			205,475			52,851,330
Accumulated depreciation as of January 1, 2018		—			(2,678,970	)		(33,186,118	)		(631,482	)		—			(148,753	)		(36,645,323	)
Accumulated impairment loss as of January 1, 2018		—			(1,757	)		(2,290	)		—			—			—			(4,047	)

Book value as of January 1, 2018	W	460,511			3,858,779			5,712,750			141,342			5,971,856			56,722			16,201,960
Additions		—			—			—			—			8,605,551			—			8,605,551
Depreciation		—			(318,311	)		(2,568,335	)		(67,274	)		—			(169,739	)		(3,123,659	)
Disposals		(15	)		(161	)		(112,752	)		(311	)		—			(2,971	)		(116,210	)
Impairment loss		—			—			(25,711	)		—			(17,890	)		—			(43,601	)
Others(*2)		1,332			55,430			1,959,645			68,177			(2,357,412	)		380,278			107,450
Effect of movements in exchange rates		—			9,809			14,520			359			15,010			312			40,010
Government grants received		—			—			(1,029	)		—			(181	)		—			(1,210	)
Reclassification to assets held-for-sale		—			(69,758	)		(1	)		(37	)		—			(365	)		(70,161	)

Book value as of December 31, 2018	W	461,828			3,535,788			4,979,087			142,256			12,216,934			264,237			21,600,130

Acquisition cost as of December 31, 2018	W	461,828			6,528,939			39,825,070			834,628			12,234,824			633,220			60,518,509

Accumulated depreciation as of December 31, 2018	W	—			(2,991,445	)		(34,817,982	)		(692,372	)		—			(368,893	)		(38,870,782	)

Accumulated impairment loss as of December 31, 2018	W	—			(1,706	)		(28,001	)		—			(17,890	)		—			(47,597	)

(*1)	As of December 31, 2018, construction-in-progress mainly relates to construction of manufacturing facilities.

(*2)	Others are mainly amounts transferred from construction-in-progress.