XML 125 R107.htm IDEA: XBRL DOCUMENT v3.8.0.1

Investments Accounted for Using Equity Method - Additional Information (Detail) - TWD ($) shares in Millions, $ in Millions		1 Months Ended			3 Months Ended		12 Months Ended
	Nov. 20, 2015	Jun. 30, 2015	Apr. 30, 2015	Mar. 31, 2015	Dec. 31, 2015	Jun. 30, 2015	Dec. 31, 2016	Dec. 31, 2015
Disclosure of associates [line items]
Gain (loss) on disposal of investments accounted for using equity method, net							$ (260.0)	$ 2,492.1
VisEra Holding Company [member] | OmniVision Technologies Inc [member]
Disclosure of associates [line items]
Percentage of ownership interest acquired	49.10%
Xintec Inc. [member]
Disclosure of associates [line items]
Number of common shares sold			2.2
Gain (loss) on disposal of investments accounted for using equity method, net			$ 43.6
Percentage of ownership	41.40%			35.40%
Motech industries, Inc. [member]
Disclosure of associates [line items]
Number of common shares sold					29.2
Gain (loss) on disposal of investments accounted for using equity method, net					$ 202.4		$ (260.0)
Percentage of ownership		18.00%			12.00%
Vanguard International Semiconductor Corporation [member]
Disclosure of associates [line items]
Number of common shares sold						82.0
Gain (loss) on disposal of investments accounted for using equity method, net						$ 2,273.2
Percentage of ownership						28.30%	28.00%

X

- Definition

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

+ References

No definition available.

+ Details

Name:	ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesLineItems
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The gains (losses) on disposals of investments.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2017-01-01
-Paragraph 98
-Subparagraph d
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_98_d&doctype=Standard
-URIDate 2017-03-09

+ Details

Name:	ifrs-full_GainsLossesOnDisposalsOfInvestments
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

The percentage of voting equity interests acquired in a business combination. [Refer: Business combinations [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 3
-IssueDate 2017-01-01
-Paragraph B64
-Subparagraph c
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=3&date=2017-03-01&anchor=para_B64_c&doctype=Appendix&seq=2
-URIDate 2017-03-09

+ Details

Name:	ifrs-full_PercentageOfVotingEquityInterestsAcquired
Namespace Prefix:	ifrs-full_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The proportion of ownership interest in an associate attributable to the entity. [Refer: Associates [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 27
-IssueDate 2017-01-01
-Paragraph 17
-Subparagraph b
-Clause iii
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=27&date=2017-03-01&anchor=para_17_b_iii&doctype=Standard
-URIDate 2017-03-09

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 27
-IssueDate 2017-01-01
-Paragraph 16
-Subparagraph b
-Clause iii
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=27&date=2017-03-01&anchor=para_16_b_iii&doctype=Standard
-URIDate 2017-03-09

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 12
-IssueDate 2017-01-01
-Paragraph 21
-Subparagraph a
-Clause iv
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=12&date=2017-03-01&anchor=para_21_a_iv&doctype=Standard
-URIDate 2017-03-09

+ Details

Name:	ifrs-full_ProportionOfOwnershipInterestInAssociate
Namespace Prefix:	ifrs-full_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Number of ordinary shares of associate sold.

+ References

No definition available.

+ Details

Name:	tsm_NumberOfOrdinarySharesOfAssociateSold
Namespace Prefix:	tsm_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	ifrs-full_SignificantInvestmentsInSubsidiariesAxis=tsm_VisEraHoldingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_CounterpartiesAxis=tsm_OmniVisionTechnologiesIncMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_SignificantInvestmentsInAssociatesAxis=tsm_XintecIncMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_SignificantInvestmentsInAssociatesAxis=tsm_MotechIndustriesIncMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_SignificantInvestmentsInAssociatesAxis=tsm_VanguardInternationalSemiconductorCorporationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: