Inventories

12 Months Ended

Dec. 31, 2022

Textblock 1 [Abstract]

Inventories

7.Inventories

Inventories as of December 31, 2021 and 2022 are as follows:

(In millions of won)
	December 31, 2021		December 31, 2022
Finished goods	₩	1,180,329		822,177
Work-in-process		1,202,548		1,235,363
Raw materials		786,739		651,602
Supplies		180,759		163,776
	₩	3,350,375		2,872,918

For the years ended December 31, 2020, 2021 and 2022, the amount of inventories recognized as cost of sales and inventory write-downs included in cost of sales and usage of inventory write-downs are as follows:

(In millions of won)
	2020		2021		2022
Inventories recognized as cost of sales	₩	21,626,339		24,572,939		25,027,703
Including: Inventory write-downs		213,932		224,576		245,619
Usage of inventory write-downs		472,885		213,932		224,576

There were no significant reversals of inventory write-downs recognized during the years ended December 31, 2020, 2021 and 2022.