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Cover
 12 Months Ended
Dec. 31, 2021
shares
Document Information [Line Items]  
Document Type 20-F
Amendment Flag false
Document Period End Date Dec. 31, 2021
Document Fiscal Year Focus 2021
Document Fiscal Period Focus FY
Trading Symbol TSM
Entity Registrant Name Taiwan Semiconductor Manufacturing Company Limited
Entity Central Index Key 0001046179
Current Fiscal Year End Date --12-31
Entity Well-known Seasoned Issuer Yes
Entity Current Reporting Status Yes
Entity Filer Category Large Accelerated Filer
Entity Common Stock, Shares Outstanding 25,930,380,458
Entity Voluntary Filers No
Entity Interactive Data Current Yes
Document Registration Statement false
Document Accounting Standard International Financial Reporting Standards
Document Annual Report true
Document Transition Report false
Document Shell Company Report false
Title of 12(b) Security Common Shares
Security Exchange Name NYSE
Entity Address, Country TW
Entity Incorporation, State or Country Code F5
Entity Shell Company false
Entity Emerging Growth Company false
ICFR Auditor Attestation Flag true
Entity Address, Address Line One No. 8, Li-Hsin Road 6
Entity Address, Address Line Two Hsinchu Science Park
Entity Address, City or Town Hsinchu
Entity Address, Postal Zip Code 300-096
Entity File Number 1-14700
Auditor Name Deloitte & Touche
Auditor Firm ID 1060
Auditor Location Taipei, TaiwanRepublic of China
Business Contact [Member]  
Document Information [Line Items]  
Entity Address, Country TW
Contact Personnel Name Wendell Huang
Contact Personnel Email Address invest@tsmc.com
Local Phone Number 5055901
Entity Address, Address Line One No. 8, Li-Hsin Road 6
Entity Address, Address Line Two Hsinchu Science Park
Entity Address, City or Town Hsinchu
Entity Address, Postal Zip Code 300-096
City Area Code 886-3