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Inventories

12 Months Ended

Dec. 31, 2024

Classes of current inventories [abstract]

14.	Inventories

Inventories as of December 31, 2023 and 2024 are as follows:


		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


		2024
		Acquisition cost		Valuation allowance			Book value
		In millions of won
Raw materials	￦		4,914,250		(1,573	)		4,912,677
Merchandises			1,733		—			1,733
Work-in-progress			220,110		—			220,110
Finished goods			96,390		(630	)		95,760
Supplies			3,358,831		—			3,358,831
Inventories-in-transit			1,160,238		—			1,160,238
Other inventories			19,887		—			19,887

	￦		9,771,439		(2,203	)		9,769,236

The reversal of the allowance for loss on inventory valuation deducted from the cost of sales for the years ended December 31, 2022, 2023 and 2024 amounts to ￦18,162 million, ￦9,974 million and ￦9,182 million, respectively.

The amounts of loss from inventory valuation included in other gains

for the years ended December 31, 2022, 2023 and 2024 were ￦14,528 million, ￦9,936 million and ￦9,941 million, respectively.