XML 200 R187.htm IDEA: XBRL DOCUMENT v3.24.1.u1
Deferred Income Tax and Income Tax Expense - Summary of Tax on the Group's Profit Before Tax (Detail) - KRW (₩)
₩ in Millions
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Deferred tax assets and liabilities [abstract]      
Profit before income tax expense ₩ 1,302,620 ₩ 1,891,392 ₩ 1,978,411
Statutory income tax expense 333,530 509,771 533,701
Tax effect      
Income not taxable for taxation purposes (30,106) (47,550) (4,307)
Non-deductible expenses 26,723 53,398 20,570
Tax credit (78,459) (54,895) (31,517)
Additional payment of income taxes (4,991) 11,744 (221)
Adjustments in deferred tax from changes in tax rate 564 (41,545)  
Tax effect and adjustment on consolidation      
Goodwill impairment 106,010 5,809  
Eliminated dividend income form subsidiaries     7,264
Changes of out-side tax effect 4,436 29,922 4,738
Intangible Asset impairment and amortization 5,892 5,276 796
Reversal expenses of contract cost assets 9,281 (4,800) (2,932)
Acquisition and disposition of businesses 5,564 (8,587) (5,128)
Others (42,442) 38,627 (3,948)
Income tax expense ₩ 330,438 ₩ 505,757 ₩ 519,016