XML 155 R142.htm IDEA: XBRL DOCUMENT v3.19.1

Net Revenue - Summary of Disaggregation of Revenue from Contracts with Customers Based on Application Type (Detail) $ in Millions	12 Months Ended
	Dec. 31, 2018 TWD ($)
Disclosure of disaggregation of revenue from contracts with customers [line items]
Revenue from contracts with customers	$ 1,031,473.6
Communication [member]
Disclosure of disaggregation of revenue from contracts with customers [line items]
Revenue from contracts with customers	578,923.7
Industrial or standard [member]
Disclosure of disaggregation of revenue from contracts with customers [line items]
Revenue from contracts with customers	234,153.4
Computer [member]
Disclosure of disaggregation of revenue from contracts with customers [line items]
Revenue from contracts with customers	144,614.1
Consumer [member]
Disclosure of disaggregation of revenue from contracts with customers [line items]
Revenue from contracts with customers	$ 73,782.4

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

X

- Definition

The amount of revenue from contracts with customers. A customer is a party that has contracted with an entity to obtain goods or services that are an output of the entity’s ordinary activities in exchange for consideration. [Refer: Revenue]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 15
-IssueDate 2018-01-01
-Paragraph 113
-Subparagraph a
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=15&date=2018-03-01&anchor=para_113_a&doctype=Standard
-URIDate 2018-03-16

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 15
-IssueDate 2018-01-01
-Paragraph 114
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=15&date=2018-03-01&anchor=para_114&doctype=Standard
-URIDate 2018-03-16

+ Details

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

X

- Details

Name:	ifrs-full_MarketsOfCustomersAxis=tsm_CommunicationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_MarketsOfCustomersAxis=tsm_IndustrialOrStandardMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_MarketsOfCustomersAxis=tsm_ComputerMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_MarketsOfCustomersAxis=tsm_ConsumerMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: