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Other Financial Assets and Liabilities - Summary of Financial Assets at Fair Value Through Profit or Loss (Detail) - KRW (₩) ₩ in Millions	Dec. 31, 2018	Dec. 31, 2017
Disclosure of financial assets [line items]
Equity Instruments	₩ 777,685	₩ 5,913
Less: non-current	(269,148)
Current	508,537
Equity Instruments Listed [member]
Disclosure of financial assets [line items]
Equity Instruments	121
Equity Instruments Unlisted [member]
Disclosure of financial assets [line items]
Equity Instruments	62,911
Debt securities [member]
Disclosure of financial assets [line items]
Equity Instruments	₩ 714,653

X

- Definition

The amount of current financial assets measured at fair value through profit or loss. [Refer: Financial assets at fair value through profit or loss]

+ References

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- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.

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The amount of financial assets that are measured at fair value and for which gains (losses) are recognised in profit or loss. A financial asset shall be measured at fair value through profit or loss unless it is measured at amortised cost or at fair value through other comprehensive income. A gain (loss) on a financial asset measured at fair value shall be recognised in profit or loss unless it is part of a hedging relationship, it is an investment in an equity instrument for which the entity has elected to present gains and losses in other comprehensive income or it is a financial asset measured at fair value through other comprehensive income. [Refer: At fair value [member]; Financial assets]

+ References

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- Definition

The amount of non-current financial assets measured at fair value through profit or loss. [Refer: Financial assets at fair value through profit or loss]

+ References

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