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Other Financial Assets and Liabilities - Summary of Financial Assets at Fair Value Through Other Comprehensive Income (Detail) - KRW (₩) ₩ in Millions	Dec. 31, 2023	Dec. 31, 2022
Financial assets at fair value through other comprehensive income [line items]
Equity Instruments	₩ 1,680,168	₩ 1,508,192
Less: non-current	(1,680,168)	(1,508,192)
Current	0	0
Equity Instruments Listed [member]
Financial assets at fair value through other comprehensive income [line items]
Equity Instruments	1,231,188	1,006,476
Equity Instruments Unlisted [member]
Financial assets at fair value through other comprehensive income [line items]
Equity Instruments	443,067	496,284
Debt securities [member]
Financial assets at fair value through other comprehensive income [line items]
Equity Instruments	₩ 5,913	₩ 5,432

X

- Definition

The amount of current financial assets at fair value through other comprehensive income. [Refer: Financial assets at fair value through other comprehensive income]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-Number 7
-IssueDate 2023-01-01
-Paragraph 8
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-URIDate 2023-03-23

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- Definition

The amount of financial assets at fair value through other comprehensive income. [Refer: At fair value [member]; Financial assets; Other comprehensive income]

+ References

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- Definition

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+ References

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Financial assets at fair value through other comprehensive income [line items]

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