v3.26.1
Business combination - Summary of the Identified assets and liabilities as of the acquisition date (Details)
$ in Thousands, ₩ in Millions
Dec. 31, 2025
KRW (₩)
Dec. 31, 2025
USD ($)
Jul. 01, 2025
KRW (₩)
Dec. 31, 2024
KRW (₩)
Identified Assets And Liabilities [Line Items]        
Financial assets at fair value through other comprehensive income ₩ 83,499,522 $ 57,803,137   ₩ 43,797,745
Financial assets at amortised cost 431,203,242     ₩ 417,674,993
ABL Life Insurance Co Ltd [Member]        
Identified Assets And Liabilities [Line Items]        
Cash and cash equivalents 327,090      
Financial assets at fair value through profit or loss 5,724,722      
Financial assets at fair value through other comprehensive income 11,300,915      
Financial assets at amortized cost [1] 1,647,554      
Derivative assets 31,506      
Investment properties 154,006      
Premises and equipment 329,899      
Intangible assets 36,152      
Deferred tax assets 305,354      
Reinsurance contracts assets 7,704      
Other assets 41,402      
Sub-total 19,906,304      
Insurance contract liabilities 18,324,194      
Reinsurance contract liabilities 125,450      
Investment contract liabilities 930      
Financial liabilities at fair value through profit or loss 8,239      
Financial liabilities at amortized cost 828,081      
Derivative liabilities 27,827      
Provisions 14,848      
Other liabilities 4,970      
Sub-total 19,334,539      
Identifiable Net Assets Fair value [2] 571,765      
Contractual gross amount of financial assets at amortized cost     ₩ 1,670,314  
Contractual cash flows not expected to be recovered at acquisition date     25,489  
Tongyang Life Insurance Co Ltd [Member]        
Identified Assets And Liabilities [Line Items]        
Cash and cash equivalents 286,417      
Financial assets at fair value through profit or loss 5,799,449      
Financial assets at fair value through other comprehensive income 21,635,551      
Financial assets at amortized cost [3] 6,544,801      
Derivative assets 172,326      
Investment properties 426,509      
Premises and equipment 115,287      
Intangible assets 29,953      
Deferred tax assets 130,646      
Investments in associates 28,521      
Reinsurance contracts assets 578,741      
Other assets 53,754      
Sub-total 35,801,955      
Insurance contract liabilities 28,743,076      
Reinsurance contract liabilities 10,900      
Investment contract liabilities 3,474,425      
Financial liabilities at fair value through profit or loss 256      
Financial liabilities at amortized cost 1,100,627      
Derivative liabilities 196,317      
Provisions 41,393      
Other liabilities 35,503      
Sub-total 33,602,497      
Identifiable Net Assets Fair value [2] ₩ 2,199,458      
Financial assets at amortised cost     6,547,834  
Contractual cash flows not expected to be recovered at acquisition date     ₩ 90,923  
[1] The financial assets measured at amortized cost that were acquired have been estimated at fair value. The contractual gross amount of ABL Life’s financial assets measured at amortized cost is KRW 1,670,314 million, and the contractual cash flows that are not expected to be recovered as of the acquisition date are estimated at KRW 25,489 million.
[2] The Group measured the identifiable assets and liabilities of the acquiree at their fair values as of the acquisition date for the purpose of allocating the consideration transferred.
[3] The financial assets measured at amortized cost that were acquired have been estimated at fair value. The contractual gross amount of Tongyang Life’s financial assets measured at amortized cost is KRW 6,547,834 million, and the contractual cash flows that are not expected to be recovered as of the acquisition date are estimated at KRW 90,923 million.