Trade and Other Receivables - Changes in Loss Allowance on Accounts Receivable - Trade Measured at Amortized Costs (Detail) - KRW (₩) ₩ in Millions |
12 Months Ended | ||||
|---|---|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
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| Disclosure of financial assets [line items] | |||||
| Impairment | ₩ (47,465) | ₩ (54,703) | ₩ (43,162) | ||
| Trade and other receivables [member] | |||||
| Disclosure of financial assets [line items] | |||||
| Beginning balance | 258,030 | 242,737 | |||
| Impairment | 44,183 | 49,865 | |||
| Write-offs | [1] | (42,484) | (42,662) | ||
| Collection of receivables previously written-off | 7,753 | 8,090 | |||
| Ending Balance | ₩ 267,482 | ₩ 258,030 | ₩ 242,737 | ||
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