XML 82 R60.htm IDEA: XBRL DOCUMENT v3.21.1

Interest Income (Tables)

12 Months Ended

Dec. 31, 2020

Text Block [Abstract]

Summary of interest income

		Years Ended December 31
		2018				2019				2020
		NT$				NT$				NT$
		(In Millions)				(In Millions)				(In Millions)
Interest income
Bank deposits		$	10,310.7			$	11,454.0			$	5,139.1
Financial assets at FVTPL			382.7				339.5				2.5
Financial assets at FVTOCI			3,078.6				3,476.2				3,121.9
Financial assets at amortized cost			922.4				919.7				754.9
		$	14,694.4			$	16,189.4			$	9,018.4

X

- Definition

Disclosure of detailed information about interest income explanatory.

+ References

No definition available.

+ Details

Name:	tsm_DisclosureOfDetailedInformationAboutInterestIncomeExplanatory
Namespace Prefix:	tsm_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Text block [abstract].

+ References

No definition available.

+ Details

Name:	tsm_TextBlockAbstract
Namespace Prefix:	tsm_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration