XML 37 R19.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Inventories | 12 Months Ended
--- | ---
Dec. 31, 2017
Text block1 [abstract] |
Inventories |
13. | INVENTORIES
|  | December 31, 2016 |  |  | December 31, 2017 |
|  | NT$ |  |  | NT$ |
|  | (In Millions) |  |  | (In Millions) |
Finished goods |  | $ | 8,521.9 |  |  | $ | 9,923.3 |
Work in process |  |  | 33,330.8 |  |  |  | 53,362.2 |
Raw materials |  |  | 4,012.2 |  |  |  | 7,143.8 |
Supplies and spare parts |  |  | 2,817.3 |  |  |  | 3,451.4 |
|  | $ | 48,682.2 |  |  | $ | 73,880.7 |
Write-down of inventories to net realizable value in the amount of NT$464.4 million and NT$1,542.8 million (excluding earthquake losses), respectively, were included in the cost of revenue for the years ended December 31, 2015 and 2016. Reversal of write-down of inventories resulting from the increase in net realizable value (excluding earthquake losses) in the amount of NT$840.9 million was included in the cost of revenue for the year ended December 31, 2017. Please refer to related earthquake losses in Note 42.

X
- Definition The entire disclosure for inventories. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 2 -IssueDate 2017-01-01 -Section Disclosure -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=2&date=2017-03-01&anchor=sect_Disclosure&doctype=Standard -URIDate 2017-03-09 + Details
Name: | ifrs-full_DisclosureOfInventoriesExplanatory
Namespace Prefix: | ifrs-full_
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