Inventories (Tables)

12 Months Ended

Dec. 31, 2024

Textblock 1 [Abstract]

Summary of Inventories

Details of inventories as of December 31, 2023 and 2024 are as follows:

(i)As of December 31, 2023

(In millions of won)
	Cost		Valuation allowance			Carrying amount
Finished goods	₩	811,580		(60,805	)		750,775
Work-in-process		1,222,991		(77,385	)		1,145,606
Raw materials		485,876		(28,520	)		457,356
Supplies		199,908		(25,917	)		173,991
Total	₩	2,720,355		(192,627	)		2,527,728

(ii)As of December 31, 2024

(In millions of won)
	Cost		Valuation allowance			Carrying amount
Finished goods	₩	995,999		(51,305	)		944,694
Work-in-process		1,184,516		(82,655	)		1,101,861
Raw materials		477,929		(17,648	)		460,281
Supplies		184,869		(20,463	)		164,406
Total	₩	2,843,313		(172,071	)		2,671,242

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

For the years ended December 31, 2022, 2023 and 2024, 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)
	2022		2023		2024
Cost of sales	₩	25,027,703		20,985,643		24,039,928
Including: Inventory write-downs		245,619		192,627		175,262
Usage of inventory write-downs		224,576		245,619		192,627

There were no significant reversals of inventory write-downs recognized during the years ended December

31, 2022, 2023 and 2024.