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Trade and Other Receivables - Other Receivables (Details) - KRW (₩) ₩ in Millions | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Gross amount |  |
Trade and Other Receivables [Line Items] |  |
Trade receivables Face value | ₩ 7,929,247 | ₩ 7,598,184
Trade receivables Allowance for doubtful accounts | (205,339) | (208,990)
Trade receivables | 7,723,908 | 7,389,194
Other receivables Face value | 2,395,008 | 2,528,084
Other receivables Allowance for doubtful accounts | (82,710) | (132,379)
Other receivables Present value discount | (6,930) | (4,860)
Other receivables | 2,305,368 | 2,390,845
Current |  |
Trade and Other Receivables [Line Items] |  |
Trade receivables Face value | 7,603,472 | 7,274,773
Other receivables Face value | 2,251,474 | 2,363,967
Trade and Other receivables: (impairment reviewed) |  |
Trade and Other Receivables [Line Items] |  |
Trade receivables Face value | 325,775 | 323,411
Other receivables Face value | 143,534 | 164,117
Less than 60 days |  |
Trade and Other Receivables [Line Items] |  |
Trade receivables Face value | 11,577 | 3,505
Other receivables Face value | 87 | 46,399
60 ~ 90 days |  |
Trade and Other Receivables [Line Items] |  |
Trade receivables Face value | 27,201 | 28,729
Other receivables Face value | 4,881 | 31,183
90 ~ 120 days |  |
Trade and Other Receivables [Line Items] |  |
Trade receivables Face value | 28,230 | 10,687
Other receivables Face value | 1,248 | 1,873
120 days ~ 1year |  |
Trade and Other Receivables [Line Items] |  |
Trade receivables Face value | 51,945 | 34,036
Other receivables Face value | 11,438 | 11,803
Over 1 year |  |
Trade and Other Receivables [Line Items] |  |
Trade receivables Face value | 206,822 | 246,454
Other receivables Face value | ₩ 125,880 | ₩ 72,859

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