XML 156 R146.htm IDEA: XBRL DOCUMENT v3.26.1
Provisions - Summary of Provisions (Detail) - KRW (₩)
₩ in Millions
Dec. 31, 2025
Dec. 31, 2024
Disclosure of other provisions [line items]    
Current ₩ 571,648 ₩ 396,030
Non-current 650,329 580,559
Provision for bonus payments [member]    
Disclosure of other provisions [line items]    
Current 119,010 121,757
Non-current 101,039 70,104
Provision for construction warranties [member]    
Disclosure of other provisions [line items]    
Current 39,393 49,659
Non-current 148,673 137,201
Provision for legal contingencies and claims [member]    
Disclosure of other provisions [line items]    
Current 5,685 17,960
Non-current 45,363 78,486
Provision for the restoration [member]    
Disclosure of other provisions [line items]    
Current 2,979 10,041
Non-current 196,651 197,810
Others [member]    
Disclosure of other provisions [line items]    
Current 404,581 196,613
Non-current ₩ 158,603 ₩ 96,958