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Interest Income (Tables)

12 Months Ended

Dec. 31, 2023

Text Block [Abstract]

Summary of interest income


		Years Ended December 31
		2021												2022												2023
		NT$												NT$												NT$
		(In Millions)												(In Millions)												(In Millions)

Interest income
Cash and cash equivalents						$	2,834.8											$	17,831.3											$	49,740.0
Financial assets at amortized cost							681.5												2,008.6												6,363.7
Financial assets at FVTOCI							2,192.5												2,582.3												4,190.2


						$	5,708.8											$	22,422.2											$	60,293.9