Investments in Associates and Joint Ventures - Details of Cumulative Unrecognized Equity Method Losses (Detail) ₩ in Millions |
12 Months Ended |
|---|---|
|
Dec. 31, 2025
KRW (₩)
| |
| Disclosure of associates [Line Items] | |
| Unrecognized loss (profit) | ₩ 7,662 |
| Unrecognized loss (profit), cumulative loss | 30,851 |
| Unrecognized change in equity | (726) |
| Unrecognized change in equity, cumulative loss | 560 |
| Invites Genomics Co., Ltd. (Formerly, Invites Healthcare Co., Ltd.) [member] | |
| Disclosure of associates [Line Items] | |
| Unrecognized loss (profit) | 7,662 |
| Unrecognized loss (profit), cumulative loss | 29,840 |
| Unrecognized change in equity | (726) |
| Unrecognized change in equity, cumulative loss | 560 |
| U-land Co., Ltd [Member] | |
| Disclosure of associates [Line Items] | |
| Unrecognized loss (profit), cumulative loss | ₩ 1,011 |