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Inventories | 12 Months Ended
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Dec. 31, 2024
Classes of current inventories [abstract] |
Inventories |
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 , n e t for the years ended December 31, 2022, 2023 and 2024 were ￦14,528 million, ￦9,936 million and ￦9,941 million, respectively.

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