v3.26.1
Finance Income and Costs - Details of Finance Income and Costs (Detail) - KRW (₩)
₩ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Finance Income:      
Interest income ₩ 73,064 ₩ 87,245 ₩ 70,055
Dividends 57,060 35,818 43,014
Gain on foreign currency transactions 27,307 32,260 19,065
Gain on foreign currency translations 3,671 9,344 1,199
Gain relating to financial instruments at FVTPL 58,256 190,368 115,043
Finance income 219,358 355,035 248,376
Finance Costs:      
Interest expense 383,205 403,129 389,813
Loss on sale of accounts receivable – other 17,513 35,317 65,027
Loss on foreign currency transactions 30,777 30,892 21,693
Loss on foreign currency translations 3,029 3,575 1,227
Loss relating to financial instruments at FVTPL 16,350 133,006 49,641
Other finance Costs 23,356 0 0
Loss on repayment of debentures 468 0 0
Loss on settlement of derivatives 7,298 0 0
Finance costs 481,996 605,919 527,401
Parent Company [Member]      
Finance Income:      
Gain on foreign currency translations 3,671 9,344 1,199
Finance income 219,358 355,035 248,376
Finance Costs:      
Interest expense 383,205 403,129 389,813
Loss on foreign currency translations 3,029 3,575 1,227
Finance costs ₩ 481,996 ₩ 605,919 ₩ 527,401