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Trade and Other Receivables - Summary of Aging Analysis of Other Receivables (Detail) - KRW (₩) ₩ in Millions | Dec. 31, 2017 | Dec. 31, 2016
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Disclosure of financial assets [line items] |  |
Other receivables | ₩ 3,450,577 | ₩ 3,100,811
Other assets [member] |  |
Disclosure of financial assets [line items] |  |
Less Allowance for doubtful accounts | (84,372) | (141,616)
Gross carrying amount [member] | Neither past due nor impaired [member] |  |
Disclosure of financial assets [line items] |  |
Other receivables | 3,271,949 | 2,971,239
Gross carrying amount [member] | Past due and impaired [member] |  |
Disclosure of financial assets [line items] |  |
Other receivables | 263,000 | 271,188
Gross carrying amount [member] | Past due and impaired [member] | Up to 6 months [member] |  |
Disclosure of financial assets [line items] |  |
Other receivables | 169,894 | 134,231
Gross carrying amount [member] | Past due and impaired [member] | 6 months to 12 months [member] |  |
Disclosure of financial assets [line items] |  |
Other receivables | 16,052 | 12,805
Gross carrying amount [member] | Past due and impaired [member] | Over 12 months [member] |  |
Disclosure of financial assets [line items] |  |
Other receivables | ₩ 77,054 | ₩ 124,152

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- Details
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