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Investments in Associates and Joint Ventures - Changes in Investments in Associates and Joint Ventures (Parenthetical) (Detail) - KRW (₩) ₩ in Millions	Dec. 31, 2025	Dec. 31, 2024
Disclosure of Investments in Associates and Joint Ventures [line items]
Investments in joint ventures	₩ 3,135,535	₩ 3,106,407
Pt Nicole Metal Industry [Member]
Disclosure of Investments in Associates and Joint Ventures [line items]
Investments in joint ventures	₩ 62,574

X

- Definition

The amount of investments in joint ventures in an entity's separate financial statements. [Refer: Total for all joint ventures [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 27
-IssueDate 2025-01-01
-Paragraph 10
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-URIDate 2025-03-27

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- Definition

Disclosure of investments in associates and joint ventures.

+ References

No definition available.

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