Cash Dividends paid to the Parent Company - Summary of Cash Dividends Received from Consolidated Subsidiaries and Associates (Detail) - KRW (₩) ₩ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Disclosure of dividends [Line Items] | |||
| Cash dividends received | ₩ 57,060 | ₩ 35,818 | ₩ 43,014 |
| Subsidiaries [member] | |||
| Disclosure of dividends [Line Items] | |||
| Cash dividends received | 180,708 | 173,499 | 159,539 |
| Associates [member] | |||
| Disclosure of dividends [Line Items] | |||
| Cash dividends received | 18,339 | 7,583 | 8,806 |
| Parent [member] | |||
| Disclosure of dividends [Line Items] | |||
| Cash dividends received | ₩ 199,047 | ₩ 181,082 | ₩ 168,345 |