XML 122 R109.htm IDEA: XBRL DOCUMENT
v3.19.1

Notes and Accounts Receivable, Net - Aging Analysis of Notes and Accounts Receivable, Net (Detail) $ in Millions, $ in Millions | Dec. 31, 2018 TWD ($) | Dec. 31, 2018 USD ($) | Dec. 31, 2017 TWD ($)
--- | --- | --- | ---
Disclosure of financial assets [line items] |  |  |
Notes and accounts receivable, net | $ 128,613.4 | $ 4,201.7 | $ 121,133.2
Past due over 121 days [member] |  |  |
Disclosure of financial assets [line items] |  |  |
Notes and accounts receivable, net |  |  | 341.4
Neither past due nor impaired [member] |  |  |
Disclosure of financial assets [line items] |  |  |
Notes and accounts receivable, net |  |  | 105,295.2
Past due but not impaired [member] | Past due within 30 days [member] |  |  |
Disclosure of financial assets [line items] |  |  |
Notes and accounts receivable, net |  |  | 13,984.1
Past due but not impaired [member] | Past due 31-60 days [member] |  |  |
Disclosure of financial assets [line items] |  |  |
Notes and accounts receivable, net |  |  | 929.7
Past due but not impaired [member] | Past due 61-120 days [member] |  |  |
Disclosure of financial assets [line items] |  |  |
Notes and accounts receivable, net |  |  | $ 582.8
Financial assets not past due [member] |  |  |
Disclosure of financial assets [line items] |  |  |
Notes and accounts receivable, net | 113,126.5 |  |
Past due [member] | Past due within 30 days [member] |  |  |
Disclosure of financial assets [line items] |  |  |
Notes and accounts receivable, net | 15,006.5 |  |
Past due [member] | Past due 31-60 days [member] |  |  |
Disclosure of financial assets [line items] |  |  |
Notes and accounts receivable, net | 472.8 |  |
Past due [member] | Past due 61-120 days [member] |  |  |
Disclosure of financial assets [line items] |  |  |
Notes and accounts receivable, net | 4.6 |  |
Past due [member] | Past due over 121 days [member] |  |  |
Disclosure of financial assets [line items] |  |  |
Notes and accounts receivable, net | $ 3.0 |  |

X
- Definition The amount of current trade receivables. [Refer: Trade receivables] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 78 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_78_b&doctype=Standard -URIDate 2018-03-16 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 68 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_68&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_CurrentTradeReceivables
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

X
- Details
Name: | ifrs-full_PastDueStatusAxis=ifrs-full_LaterThanFourMonthsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ImpairmentOfFinancialAssetsAxis=ifrs-full_FinancialAssetsNeitherPastDueNorImpairedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ImpairmentOfFinancialAssetsAxis=ifrs-full_FinancialAssetsPastDueButNotImpairedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_PastDueStatusAxis=ifrs-full_NotLaterThanOneMonthMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_PastDueStatusAxis=ifrs-full_LaterThanOneMonthAndNotLaterThanTwoMonthsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_PastDueStatusAxis=tsm_LaterThanTwoMonthsAndNotLaterThanFourMonthsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ImpairmentOfFinancialAssetsAxis=tsm_FinancialAssetsNotPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ImpairmentOfFinancialAssetsAxis=tsm_FinancialAssetsPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |