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Inventories (Tables)

12 Months Ended

Dec. 31, 2023

Classes of current inventories [abstract]

Summary of Inventories

Inventories as of December 31, 2022 and 2023 are as follows:


						2022
						Acquisition cost				Valuation allowance				Book value
						In millions of won
Raw materials		￦					4,522,171				(1,350	)			4,520,821
Merchandises							1,001				—				1,001
Work-in-progress							172,089				(75	)			172,014
Finished goods							52,642				(57	)			52,585
Supplies							2,814,377				—				2,814,377
Inventories-in-transit							2,356,444				—				2,356,444
Other inventories							13,490				—				13,490

		￦					9,932,214				(1,482	)			9,930,732


						2023
						Acquisition cost				Valuation allowance				Book value
						In millions of won
Raw materials		￦					4,624,638				(1,387	)			4,623,251
Merchandises							335				—				335
Work-in-progress							187,304				—				187,304
Finished goods							97,272				(57	)			97,215
Supplies							2,930,978				—				2,930,978
Inventories-in-transit							1,021,797				—				1,021,797
Other inventories							14,735				—				14,735

		￦					8,877,059				(1,444	)			8,875,615