XML 35 R19.htm IDEA: XBRL DOCUMENT

Inventories

12 Months Ended

Dec. 31, 2020

14.

Inventories

Inventories as of December 31, 2019 and 2020 are as follows:


		2019
		Acquisition cost		Valuation allowance			Book value
		In millions of won
Raw materials	￦		3,790,443		(1,430	)		3,789,013
Merchandises			340		—			340
Work-in-progress			165,073		—			165,073
Finished goods			58,280		—			58,280
Supplies			2,121,363		(4,369	)		2,116,994
Inventories-in-transit			906,267		—			906,267
Other inventories			14,733		—			14,733

	￦		7,056,499		(5,799	)		7,050,700


		2020
		Acquisition cost		Valuation allowance			Book value
		In millions of won
Raw materials	￦		3,602,073		(885	)		3,601,188
Merchandises			234		—			234
Work-in-progress			148,067		—			148,067
Finished goods			42,070		—			42,070
Supplies			2,280,682		(7,892	)		2,272,790
Inventories-in-transit			666,967		—			666,967
Other inventories			11,593		—			11,593

	￦		6,751,686		(8,777	)		6,742,909

The reversals of the allowance for loss on inventory valuation due to increase in the net realizable value of inventories deducted from cost of sales for the years ended December 31, 2018, 2019 and 2020 were ￦3,723 million , ￦4,872 million and ￦2,020 million, respectively.

The amounts of loss from inventory valuation included in other gains or losses for the years ended December 31, 2018, 2019 and 2020 were ￦1,953 million, ￦3,127 million and ￦4,998 million, respectively.