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Notes and Accounts Receivable, Net - Movements of Allowance for Doubtful Receivables (Detail) - TWD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Disclosure of financial assets [line items]
Beginning balance	$ 531.5	$ 331.6	$ 347.0
Provision (Reversal)	(78.5)	199.9	(15.5)
Effect of exchange rate changes	0.0	0.0	0.1
Ending balance	$ 453.0	$ 531.5	$ 331.6

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- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.

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No definition available.

+ Details

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- Definition

Allowance account for notes receivable.

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No definition available.

+ Details

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

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- Definition

Increase decrease through net exchange differences allowance for credit losses of financial assets.

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No definition available.

+ Details

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- Definition

The (decrease) increase in an allowance account for credit losses of financial assets resulting from reversals and write-offs.

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No definition available.

+ Details

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Balance Type:	na
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