XML 90 R72.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Finance Costs (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2017
Text block1 [abstract] |
Summary of Finance Costs |
|  | Years Ended December 31 |
|  | 2015 |  |  | 2016 |  |  | 2017 |
|  | NT$ |  |  | NT$ |  |  | NT$ |
|  | (In Millions) |  |  | (In Millions) |  |  | (In Millions) |
Interest expense |  |  |  |  |  |  |  |  |  |  |  |
Corporate bonds |  | $ | 3,103.7 |  |  | $ | 3,014.7 |  |  | $ | 2,563.6 |
Bank loans |  |  | 74.6 |  |  |  | 291.2 |  |  |  | 766.6 |
Finance leases |  |  | 11.7 |  |  |  | — |  |  |  | — |
Others |  |  | 0.3 |  |  |  | 0.2 |  |  |  | 0.1 |
|  | $ | 3,190.3 |  |  | $ | 3,306.1 |  |  | $ | 3,330.3 |

X
- Definition The disclosure of detailed information about finance cost. + References No definition available. + Details
Name: | tsm_DisclosureOfDetailedInformationAboutFinanceCostExplanatory
Namespace Prefix: | tsm_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Text block1 [abstract] + References No definition available. + Details
Name: | tsm_TextBlock1Abstract
Namespace Prefix: | tsm_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration