Loss per Share - Summary of Basic Loss per Share (Detail) - KRW (₩)	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Basic earnings per share [abstract]
Loss attributable to owners of the Parent Company for the year	₩ (2,562,606,429,762)	₩ (2,733,741,837,803)	₩ (3,071,564,667,651)
Weighted-average number of common stocks outstanding	471,252,355	380,884,673	380,884,673
Basic loss per share	₩ (5,438)	₩ (7,177)	₩ (8,064)

The amount of profit (loss) attributable to ordinary equity holders of the parent entity (the numerator) divided by the weighted average number of ordinary shares outstanding during the period (the denominator).

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 33
-IssueDate 2024-01-01
-Paragraph 66
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=33&code=ifrs-tx-2024-en-r&anchor=para_66&doctype=Standard
-URIDate 2024-03-27

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 33
-IssueDate 2024-01-01
-Paragraph 67
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=33&code=ifrs-tx-2024-en-r&anchor=para_67&doctype=Standard
-URIDate 2024-03-27

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Period Type:	duration