Net Interest Income (Tables)

12 Months Ended

Dec. 31, 2022

Interest Revenue (Expense), Net [Abstract]

Summary of Interest Income

(1) Interest income recognized is as follows (Unit: Korean Won in millions):

	For the years ended December 31
	2020		2021		2022
Financial assets at FVTPL		48,612		45,803		106,698
Financial assets at FVTOCI		437,527		381,814		632,615
Financial assets at amortized cost
Loans and other financial assets at amortized cost
Interest on due from banks		53,586		46,600		244,331
Interest on loans		8,570,173		9,065,074		13,109,022
Interest of other receivables		30,967		30,538		46,637
Sub-total		8,654,726		9,142,212		13,399,990
Securities at amortized cost		382,988		324,920		515,246
Sub-total		9,037,714		9,467,132		13,915,236
Total		9,523,853		9,894,749		14,654,549

Summary of Interest Expense

(2) Details of interest expense recognized are as follows (Unit: Korean Won in millions):

	For the years ended December 31
	2020		2021		2022
Interest on deposits due to customers		2,486,523		1,906,858		4,120,811
Interest on borrowings		269,985		219,994		598,185
Interest on debentures		722,551		727,093		1,036,191
Other interest expense		36,964		47,647		195,090
Interest on lease liabilities		9,318		7,436		7,693
Total		3,525,341		2,909,028		5,957,970