Capital management (Details 1) - KRW (₩) ₩ in Thousands |
Dec. 31, 2025 |
Dec. 31, 2024 |
| IfrsStatementLineItems [Line Items] |
|
|
|
| Face value |
|
₩ 21,429,720
|
₩ 6,064,000
|
| Carrying amount |
|
₩ 15,983,462
|
5,872,956
|
| Secured Borrowings [Member] |
|
|
|
| IfrsStatementLineItems [Line Items] |
|
|
|
| Interest rate |
|
1.75%
|
|
| Maturity date |
|
Dec. 20, 2025
|
|
| Face value |
|
|
500,000
|
| Carrying amount |
|
|
500,000
|
| Secured Borrowings One [Member] |
|
|
|
| IfrsStatementLineItems [Line Items] |
|
|
|
| Interest rate |
|
2.39%
|
|
| Maturity date |
|
Sep. 16, 2025
|
|
| Face value |
|
|
100,000
|
| Carrying amount |
|
|
18,720
|
| Secured Borrowings Two [Member] |
|
|
|
| IfrsStatementLineItems [Line Items] |
|
|
|
| Interest rate |
[1] |
6.78%
|
|
| Maturity date |
[1] |
Feb. 27, 2026
|
|
| Face value |
[1] |
₩ 1,000,000
|
1,000,000
|
| Carrying amount |
[1] |
₩ 1,000,000
|
1,000,000
|
| Secured Borrowings Three [Member] |
|
|
|
| IfrsStatementLineItems [Line Items] |
|
|
|
| Interest rate |
[2] |
4.69%
|
|
| Maturity date |
[2] |
Jun. 26, 2026
|
|
| Face value |
[2] |
₩ 1,000,000
|
1,000,000
|
| Carrying amount |
[2] |
₩ 1,000,000
|
1,000,000
|
| Secured Borrowings Four [Member] |
|
|
|
| IfrsStatementLineItems [Line Items] |
|
|
|
| Interest rate |
[3] |
4.98%
|
|
| Maturity date |
[3] |
Dec. 02, 2026
|
|
| Face value |
[3] |
₩ 400,000
|
400,000
|
| Carrying amount |
[3] |
₩ 400,000
|
400,000
|
| Unsecured Borrowings [Member] |
|
|
|
| IfrsStatementLineItems [Line Items] |
|
|
|
| Interest rate |
|
4.60%
|
|
| Maturity date |
|
Dec. 04, 2028
|
|
| Face value |
|
₩ 2,000,000
|
|
| Carrying amount |
|
₩ 1,533,699
|
|
| Unsecured Borrowings One [Member] |
|
|
|
| IfrsStatementLineItems [Line Items] |
|
|
|
| Interest rate |
|
4.60%
|
|
| Maturity date |
|
Dec. 11, 2028
|
|
| Face value |
|
₩ 1,000,000
|
|
| Carrying amount |
|
₩ 762,216
|
|
| Unsecured Borrowings Two [Member] |
|
|
|
| IfrsStatementLineItems [Line Items] |
|
|
|
| Interest rate |
|
4.60%
|
|
| Maturity date |
|
Dec. 29, 2028
|
|
| Face value |
|
₩ 280,000
|
|
| Carrying amount |
|
₩ 212,692
|
|
| Unsecured Borrowings Three [Member] |
|
|
|
| IfrsStatementLineItems [Line Items] |
|
|
|
| Interest rate |
|
4.60%
|
|
| Maturity date |
|
Dec. 31, 2026
|
|
| Face value |
|
₩ 700,000
|
700,000
|
| Carrying amount |
|
₩ 700,000
|
700,000
|
| Unsecured Borrowings Four [Member] |
|
|
|
| IfrsStatementLineItems [Line Items] |
|
|
|
| Interest rate |
|
4.60%
|
|
| Maturity date |
|
Dec. 31, 2026
|
|
| Face value |
|
₩ 2,200,000
|
2,200,000
|
| Carrying amount |
|
₩ 2,200,000
|
2,090,236
|
| Unsecured Borrowings Five [Member] |
|
|
|
| IfrsStatementLineItems [Line Items] |
|
|
|
| Interest rate |
|
4.60%
|
|
| Maturity date |
|
Dec. 31, 2026
|
|
| Face value |
|
₩ 164,000
|
164,000
|
| Carrying amount |
|
₩ 164,000
|
164,000
|
| Secured Bank Loans [Member] |
|
|
|
| IfrsStatementLineItems [Line Items] |
|
|
|
| Interest rate |
[4] |
3.00%
|
|
| Maturity date |
[4] |
May 08, 2026
|
|
| Face value |
[4] |
₩ 490,000
|
|
| Carrying amount |
[4] |
₩ 490,000
|
|
| Secured Bank Loans One [Member] |
|
|
|
| IfrsStatementLineItems [Line Items] |
|
|
|
| Interest rate |
[5] |
12.33%
|
|
| Maturity date |
[5] |
Mar. 23, 2026
|
|
| Face value |
[5] |
₩ 800,000
|
|
| Carrying amount |
[5] |
₩ 785,000
|
|
| Secured Bank Loans Two [Member] |
|
|
|
| IfrsStatementLineItems [Line Items] |
|
|
|
| Interest rate |
[6] |
5.84%
|
|
| Maturity date |
[6] |
Jul. 17, 2026
|
|
| Face value |
[6] |
₩ 300,000
|
|
| Carrying amount |
[6] |
₩ 277,687
|
|
| Secured Bank Loans Three [Member] |
|
|
|
| IfrsStatementLineItems [Line Items] |
|
|
|
| Maturity date |
[7] |
Sep. 24, 2026
|
|
| Face value |
[7] |
₩ 3,000,000
|
|
| Carrying amount |
[7] |
₩ 3,000,000
|
|
| Unsecured Borrowings Six [Member] |
|
|
|
| IfrsStatementLineItems [Line Items] |
|
|
|
| Interest rate |
|
4.60%
|
|
| Maturity date |
|
Dec. 31, 2026
|
|
| Face value |
|
₩ 248,500
|
|
| Carrying amount |
|
₩ 247,500
|
|
| Unsecured Borrowings Seven [Member] |
|
|
|
| IfrsStatementLineItems [Line Items] |
|
|
|
| Interest rate |
|
4.60%
|
|
| Maturity date |
|
Dec. 25, 2027
|
|
| Face value |
|
₩ 220,000
|
|
| Carrying amount |
|
₩ 212,955
|
|
| Unsecured Borrowings Eight [Member] |
|
|
|
| IfrsStatementLineItems [Line Items] |
|
|
|
| Interest rate |
|
4.60%
|
|
| Maturity date |
|
Mar. 31, 2026
|
|
| Face value |
|
₩ 26,680
|
|
| Carrying amount |
|
₩ 26,680
|
|
| Unsecured Borrowings Nine [Member] |
|
|
|
| IfrsStatementLineItems [Line Items] |
|
|
|
| Interest rate |
|
4.60%
|
|
| Maturity date |
|
Dec. 27, 2025
|
|
| Face value |
|
₩ 1,000,000
|
|
| Carrying amount |
|
₩ 500,000
|
|
| Unsecured Borrowings Ten [Member] |
|
|
|
| IfrsStatementLineItems [Line Items] |
|
|
|
| Interest rate |
|
0.00%
|
|
| Maturity date |
|
May 13, 2026
|
|
| Face value |
|
₩ 3,730,740
|
|
| Carrying amount |
|
₩ 318,683
|
|
| Unsecured Borrowings Eleven [Member] |
|
|
|
| IfrsStatementLineItems [Line Items] |
|
|
|
| Interest rate |
|
0.00%
|
|
| Maturity date |
|
Jan. 30, 2027
|
|
| Face value |
|
₩ 2,869,800
|
|
| Carrying amount |
|
₩ 2,152,350
|
|
|
|