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Other Financial Assets (Tables) | 12 Months Ended
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Dec. 31, 2023
Other Financial Assets [Abstract] |
Summary of Other Financial Assets |
(1) | Other financial assets as of December 31, 2022 and 2023 are as follows:
|  |  |  |  | 2022 |  |  | 2023 |
|  |  |  |  | Current |  |  | Non-current |  |  | Current |  |  | Non-current |
|  |  |  |  | In millions of won |
Loans |  | ￦ |  |  |  |  | 132,890 |  |  |  | 968,468 |  |  |  | 139,178 |  |  |  | 966,421 |
Less: Allowance for doubtful accounts |  |  |  |  |  |  | (13 | ) |  |  | (54,824 | ) |  |  | (10 | ) |  |  | (80,783 | )
Less: Present value discount |  |  |  |  |  |  | (816 | ) |  |  | (32,334 | ) |  |  | (1,007 | ) |  |  | (35,468 | )
|  |  |  |  |  |  | 132,061 |  |  |  | 881,310 |  |  |  | 138,161 |  |  |  | 850,170 |
Long-term / short-term financial instruments |  |  |  |  |  |  | 666,758 |  |  |  | 686,322 |  |  |  | 578,578 |  |  |  | 833,737 |
|  |  | ￦ |  |  |  | 798,819 |  |  |  | 1,567,632 |  |  |  | 716,739 |  |  |  | 1,683,907 |
Summary of Loans and Receivables |
(2) | Loans as of December 31, 2022 and 2023 are as follows:
|  |  |  |  | 2022 |
|  |  |  |  | Face value |  |  | Allowance for doubtful accounts |  |  | Present value discount |  |  | Carrying value |
|  |  |  |  | In millions of won |
Short-term loans |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loans for tuition |  | ￦ |  |  |  |  | 30,261 |  |  |  | — |  |  |  | (816 | ) |  |  | 29,445 |
Loans for housing |  |  |  |  |  |  | 29,630 |  |  |  | — |  |  |  | — |  |  |  | 29,630 |
Other loans |  |  |  |  |  |  | 72,999 |  |  |  | (13 | ) |  |  | — |  |  |  | 72,986 |
|  |  |  |  |  |  | 132,890 |  |  |  | (13 | ) |  |  | (816 | ) |  |  | 132,061 |
Long-term loans |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loans for tuition |  |  |  |  |  |  | 436,131 |  |  |  | (37,783 | ) |  |  | (32,334 | ) |  |  | 366,014 |
Loans for housing |  |  |  |  |  |  | 309,446 |  |  |  | — |  |  |  | — |  |  |  | 309,446 |
Loans for related parties |  |  |  |  |  |  | 187,728 |  |  |  | (17,041 | ) |  |  | — |  |  |  | 170,687 |
Other loans |  |  |  |  |  |  | 35,163 |  |  |  | — |  |  |  | — |  |  |  | 35,163 |
|  |  |  |  |  |  | 968,468 |  |  |  | (54,824 | ) |  |  | (32,334 | ) |  |  | 881,310 |
|  | ￦ |  |  |  |  | 1,101,358 |  |  |  | (54,837 | ) |  |  | (33,150 | ) |  |  | 1,013,371 |
|  |  |  |  | 2023 |
|  |  |  |  | Face value |  |  | Allowance for doubtful accounts |  |  | Present value discount |  |  | Carrying value |
|  |  |  |  | In millions of won |
Short-term loans |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loans for tuition |  | ￦ |  |  |  |  | 30,497 |  |  |  | — |  |  |  | (1,007 | ) |  |  | 29,490 |
Loans for housing |  |  |  |  |  |  | 35,560 |  |  |  | — |  |  |  | — |  |  |  | 35,560 |
Other loans |  |  |  |  |  |  | 73,121 |  |  |  | (10 | ) |  |  | — |  |  |  | 73,111 |
|  |  |  |  |  |  | 139,178 |  |  |  | (10 | ) |  |  | (1,007 | ) |  |  | 138,161 |
Long-term loans |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loans for tuition |  |  |  |  |  |  | 419,684 |  |  |  | (24,745 | ) |  |  | (35,468 | ) |  |  | 359,471 |
Loans for housing |  |  |  |  |  |  | 301,840 |  |  |  | — |  |  |  | — |  |  |  | 301,840 |
Loans for related parties |  |  |  |  |  |  | 222,014 |  |  |  | (43,640 | ) |  |  | — |  |  |  | 178,374 |
Other loans |  |  |  |  |  |  | 22,883 |  |  |  | (12,398 | ) |  |  | — |  |  |  | 10,485 |
|  |  |  |  |  |  | 966,421 |  |  |  | (80,783 | ) |  |  | (35,468 | ) |  |  | 850,170 |
|  | ￦ |  |  |  |  | 1,105,599 |  |  |  | (80,793 | ) |  |  | (36,475 | ) |  |  | 988,331 |
Summary of Changes in the Allowance for Doubtful Accounts of Loans and Receivables |
(3) | Changes in the allowance for doubtful accounts of loans for the years ended December 31, 2021, 2022 and 2023 are as follows:
|  |  |  |  | 2021 |  |  | 2022 |  |  | 2023 |
|  |  |  |  | In millions of won |
Beginning balance |  | ￦ |  |  |  |  | 20,267 |  |  |  | 52,677 |  |  |  | 54,837 |
Bad debt expense |  |  |  |  |  |  | 30,942 |  |  |  | 2,180 |  |  |  | 16,394 |
Other |  |  |  |  |  |  | 1,468 |  |  |  | (20 | ) |  |  | 9,562 |
Ending balance |  | ￦ |  |  |  |  | 52,677 |  |  |  | 54,837 |  |  |  | 80,793 |
Summary of Long-Term and Short-Term Financial Instruments |
(4) | Long-term and short-term financial instruments as of December 31, 2022 and 2023 are as follows:
|  |  |  |  | 2022 |  |  | 2023 |
|  |  |  |  | Current |  |  | Non-current |  |  | Current |  |  | Non-current |
|  |  |  |  | In millions of won |
Time deposits |  | ￦ |  |  |  |  | 428,813 |  |  |  | 130,570 |  |  |  | 363,286 |  |  |  | 145,336 |
CD |  |  |  |  |  |  | 30,000 |  |  |  | — |  |  |  | — |  |  |  | — |
Others |  |  |  |  |  |  | 207,945 |  |  |  | 555,752 |  |  |  | 215,292 |  |  |  | 688,401 |
|  | ￦ |  |  |  |  | 666,758 |  |  |  | 686,322 |  |  |  | 578,578 |  |  |  | 833,737 |

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