Inventories (Tables)

12 Months Ended

Dec. 31, 2019

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Summary of Inventories

Inventories as of December 31, 2018 and 2019 are as follows:

(In millions of won)
	December 31, 2018		December 31, 2019
Finished goods	W	1,084,297		730,009
Work-in-process		856,388		756,744
Raw materials		554,720		405,854
Supplies		195,798		158,548
	W	2,691,203		2,051,155

Inventories Recognized as Cost of Sales and Inventory Write-downs Included in Cost of Sales

For the years ended December 31, 2017, 2018 and 2019, the amount of inventories recognized as cost of sales and inventory write-downs included in cost of sales are as follows:

(In millions of won)
	2017		2018		2019
Inventories recognized as cost of sales	W	22,424,661		21,251,305		21,607,240
Including: inventory write-downs		206,127		313,180		472,885