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Intangible assets - Intangible assets, net (Details) - KRW (₩) ₩ in Millions	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Disclosure of detailed information about intangible assets [abstract]
Goodwill	₩ 4,656,673	₩ 4,665,417
Software	251,178	235,229
Development cost	543,993	677,572
Others	441,314	541,915
Intangible assets, net	₩ 5,893,158	₩ 6,120,133	₩ 6,217,946

X

- Definition

The amount of intangible assets representing computer software. [Refer: Intangible assets other than goodwill]

+ References

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No definition available.

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- Definition

The amount of assets representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognised. [Refer: Total for all business combinations [member]]

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- Definition

The amount of intangible assets and goodwill held by the entity. [Refer: Goodwill; Intangible assets other than goodwill]

+ References

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- Definition

The amount of intangible assets representing such assets under development. [Refer: Intangible assets other than goodwill]

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- Definition

The amount of intangible assets that the entity does not separately disclose in the same statement or note. [Refer: Intangible assets other than goodwill]

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