Intangible assets and goodwill (Details 4) - KRW (₩)
₩ in Thousands

Dec. 31, 2025

Jan. 02, 2025

^[1]

Dec. 31, 2024

IfrsStatementLineItems [Line Items]

Ending Balance (Before impairment)

₩ 190,807,972

Impairment

(130,190,941)

Ending Balance( After impairment)

60,617,031

₩ 191,659,072

₩ 3,267,730

Play F&B Co., Ltd. [Member]

IfrsStatementLineItems [Line Items]

Ending Balance (Before impairment)

3,267,730

Impairment

Ending Balance( After impairment)

3,267,730

K Enter [Member]

IfrsStatementLineItems [Line Items]

Ending Balance (Before impairment)

168,379,183

Impairment

(126,619,936)

Ending Balance( After impairment)

41,759,247

172,498,015

LAMP [Member]

IfrsStatementLineItems [Line Items]

Ending Balance (Before impairment)

7,188,900

Impairment

Ending Balance( After impairment)

7,188,900

7,188,899

Bidangil [Member]

IfrsStatementLineItems [Line Items]

Ending Balance (Before impairment)

3,322,966

Impairment

(1,504,472)

Ending Balance( After impairment)

1,818,494

3,322,966

Apeitda [Member]

IfrsStatementLineItems [Line Items]

Ending Balance (Before impairment)

3,558,388

Impairment

(1,852,687)

Ending Balance( After impairment)

1,705,701

3,558,387

Anseilen [Member]

IfrsStatementLineItems [Line Items]

Ending Balance (Before impairment)

2,303,422

Impairment

Ending Balance( After impairment)

2,303,422

₩ 2,303,422

Solaire [Member]

IfrsStatementLineItems [Line Items]

Ending Balance (Before impairment)

2,787,383

Impairment

(213,846)

Ending Balance( After impairment)

₩ 2,573,537

[1]	The goodwill of Korean Won 191,659,072 thousand arising from the acquisition is attributable to synergies expected from the combination of operations and the customer base acquired. None of the goodwill recognized is expected to be deductible for income tax purposes.