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Inventories (Tables) | 12 Months Ended
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Dec. 31, 2021
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Summary of Inventories Net | Inventories as at December 31, 2020 and 2021, are as follows:
|  | December 31, 2020 |  |  | December 31, 2021 |
(In millions of Korean won) |  | Acquisition cost |  |  | Valuation allowance |  |  | Book amount |  |  | Acquisition cost |  |  | Valuation allowance |  |  | Book amount |
Merchandise |  | ￦ | 650,856 |  |  | ￦ | (133,224 | ) |  | ￦ | 517,632 |  |  | ￦ | 601,360 |  |  | ￦ | (120,304 | ) |  | ￦ | 481,056 |
Others |  |  | 17,004 |  |  |  | — |  |  |  | 17,004 |  |  |  | 33,089 |  |  |  | — |  |  |  | 33,089 |
Total |  | ￦ | 667,860 |  |  | ￦ | (133,224 | ) |  | ￦ | 534,636 |  |  | ￦ | 634,449 |  |  | ￦ | (120,304 | ) |  | ￦ | 514,145 |

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