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U.S. Dollar Amounts	12 Months Ended
	Dec. 31, 2021
Text Block [Abstract]
U.S. Dollar Amounts	3. U.S. DOLLAR AMOUNTS TSMC and its subsidiaries (collectively as the “Company”) maintain its accounts and express its consolidated financial statements in New Taiwan dollars. For convenience only, U.S. dollar amounts presented in the accompanying consolidated financial statements have been translated from New Taiwan dollars at the exchange rate as set forth in the statistical release of the Federal Reserve Board of the Unites States, which was NT$27.74 to US$1.00 as of December 30, 2021. The convenience translations should not be construed as representations that the New Taiwan dollar amounts have been, could have been, or could in the future be, converted into U.S. dollars at this or any other rate of exchange.

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The entire disclosure for the effect of changes in foreign exchange rates.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 21
-IssueDate 2021-01-01
-Section Disclosure
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=21&code=ifrs-tx-2021-en-r&doctype=Standard&dita_xref=IAS21_g51-57_TI
-URIDate 2021-03-24

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Text block [abstract].

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No definition available.

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