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Cash and Cash Equivalents - Summary of Cash and Cash Equivalents (Detail) - KRW (₩) ₩ in Millions	Dec. 31, 2025	Dec. 31, 2024
Cash and cash equivalents [abstract]
Cash	₩ 8,449	₩ 9,189
Demand deposits and checking accounts	2,193,991	2,220,202
Time deposits	1,994,158	1,908,284
Other cash equivalents	2,853,202	2,630,223
Cash and cash equivalents	₩ 7,049,800	₩ 6,767,898

X

- Definition

A classification of cash equivalents representing banking arrangements that the entity does not separately disclose in the same statement or note. [Refer: Cash equivalents]

+ References

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- Definition

The amount of cash on hand and demand deposits. [Refer: Cash on hand]

+ References

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- Definition

The amount of cash on hand and demand deposits, along with short-term, highly liquid investments that are readily convertible to known amounts of cash and that are subject to an insignificant risk of changes in value. [Refer: Cash; Cash equivalents]

+ References

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The amount of cash and cash equivalents that the entity does not separately disclose in the same statement or note. [Refer: Cash and cash equivalents]

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