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Inventories

12 Months Ended

Dec. 31, 2023

Classes of current inventories [abstract]

14.	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

The reversal of the allowance for loss on inventory valuation deducted from the cost of sales for the years ended December 31, 2021, 2022 and 2023 amounts to

￦

11,422

million

￦

18,162

million and ￦9,974 million, respectively.

The amounts of loss from inventory valuation included in other gains or losses for the years ended December 31, 2021, 2022 and 2023

were ￦7,761 million

￦14,528

million and ￦9,936 million, respectively.