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Net Revenue - Refund Liabilities (Detail) - TWD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Accrued expenses and other current liabilities [member]
Disclosure Of Refund Liabilities [Line Items]
Refund liabilities	$ 63,185.2	$ 37,847.6

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- Definition

Disclosure of refund liabilities [line items]

+ References

No definition available.

+ Details

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

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- Definition

Refund liabilities.

+ References

No definition available.

+ Details

Name:	tsm_RefundLiabilities
Namespace Prefix:	tsm_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

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- Details

Name:	tsm_BalanceSheetsLocationAxis=tsm_AccruedExpensesAndOtherCurrentLiabilitiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: