XML 185 R172.htm IDEA: XBRL DOCUMENT v3.26.1
Operating segments - Financial information of geographical area (Parenthetical) (Details) - KRW (₩)
₩ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Disclosure of geographical areas [line items]      
Operating income ₩ 7,023,357 ₩ 6,458,670 ₩ 6,100,850
Vietnam      
Disclosure of geographical areas [line items]      
Operating income 332,114 332,717 275,581
Japan      
Disclosure of geographical areas [line items]      
Operating income ₩ 256,027 ₩ 218,393 ₩ 187,466