XML 92 R79.htm IDEA: XBRL DOCUMENT
v3.19.1

Financial Instruments (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2018
Statement [LineItems] |
Categories of Financial Instruments |
| a. | Categories of financial instruments
|  | December 31, 2017 |
|  | NT$ |
|  | (In Millions) |
Financial assets |  |  |  |
FVTPL (Note 1) |  | $ | 569.8 |
Available-for-sale financial assets |  |  | 98,248.5 |
Held-to-maturity financial assets |  |  | 20,821.7 |
Hedging derivative financial assets |  |  | 34.4 |
Loans and receivables (Note 2) |  |  | 684,416.6 |
|  | $ | 804,091.0 |
Financial liabilities |  |  |  |
FVTPL (Note 1) |  | $ | 26.7 |
Hedging derivative financial liabilities |  |  | 15.6 |
Amortized cost (Note 3) |  |  | 340,501.2 |
|  | $ | 340,543.5 |
Note 1: |  | Including held for trading and designated as at FVTPL.
Note 2: |  | Including cash and cash equivalents, notes and accounts receivable (including related parties), other receivables and refundable deposits.
Note 3: |  | Including short-term loans, accounts payable (including related parties), payables to contractors and equipment suppliers, accrued expenses and other current liabilities, bonds payable and guarantee deposits.
|  | December 31, 2018 |
|  | NT$ |
|  | (In Millions) |
Financial assets |  |  |  |
FVTPL (Note 4) |  | $ | 3,504.6 |
FVTOCI (Note 5) |  |  | 107,067.5 |
Hedging financial assets |  |  | 23.5 |
Amortized cost (Note 6) |  |  | 745,585.8 |
|  | $ | 856,181.4 |
Financial liabilities |  |  |  |
FVTPL (Note 7) |  | $ | 40.8 |
Hedging financial liabilities |  |  | 155.8 |
Amortized cost (Note 8) |  |  | 318,475.8 |
|  | $ | 318,672.4 |
Note 4: |  | Financial assets mandatorily measured at FVTPL.
Note 5: |  | Including notes and accounts receivable, net, debt and equity investments.
Note 6: |  | Including cash and cash equivalents, financial assets at amortized cost, notes and accounts receivable (including related parties), other receivables and refundable deposits.
Note 7: |  | Held for trading.
Note 8: |  | Including short-term loans, accounts payable (including related parties), payables to contractors and equipment suppliers, accrued expenses and other current liabilities, bonds payable and guarantee deposits.
Summary of Current Credit Risk Assessment Policies | The Company assesses the 12-month expected credit loss and lifetime expected credit loss based on the probability of default and loss given default provided by external credit rating agencies. The current credit risk assessment policies are as follows:
Category |  | Description |  | Basis for Recognizing Expected Credit Loss |  | Expected Credit Loss Ratio
Performing |  | Credit rating on trade date and valuation date: (1)  Within investment grade (2)  Between BB+ and BB- |  | 12 months expected credit loss |  | 0—0.1%
Doubtful |  | Credit rating on trade date and valuation date: (1)  From investment grade to non-investment grade (2)  From BB+~BB— to B+~CCC- |  | Lifetime expected credit loss-not credit impaired |  | —
In default |  | Credit rating CC or below |  | Lifetime expected credit loss-credit impaired |  | —
Write-off |  | There is evidence indicating that the debtor is in severe financial difficulty and the Company has no realistic prospect of recovery |  | Amount is written off |  | —
Summary of Maturity Profile of Financial Liabilities Based on Contractual Undiscounted Payments, Including Principal and Interest | The table below summarizes the maturity profile of the Company’s financial liabilities based on contractual undiscounted payments, including principal and interest.
|  | Less Than 1 Year |  |  | 2-3 Years |  |  | 4-5 Years |  |  | 5+ Years |  |  | Total |
|  | NT$ |  |  | NT$ |  |  | NT$ |  |  | NT$ |  |  | NT$ |
|  | (In Millions) |  |  | (In Millions) |  |  | (In Millions) |  |  | (In Millions) |  |  | (In Millions) |
December 31, 2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Non-derivative financial liabilities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Short-term loans |  | $ | 63,802.0 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 63,802.0 |
Accounts payable (including related parties) |  |  | 30,069.2 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 30,069.2 |
Payables to contractors and equipment suppliers |  |  | 55,723.8 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 55,723.8 |
Accrued expenses and other current liabilities |  |  | 24,659.7 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 24,659.7 |
Bonds payable |  |  | 60,176.8 |  |  |  | 68,378.8 |  |  |  | 7,777.7 |  |  |  | 18,203.6 |  |  |  | 154,536.9 |
Guarantee deposits (including those classified under accrued expenses and other current liabilities) |  |  | 8,493.8 |  |  |  | 7,503.1 |  |  |  | 83.7 |  |  |  | — |  |  |  | 16,080.6 |
|  |  | 242,925.3 |  |  |  | 75,881.9 |  |  |  | 7,861.4 |  |  |  | 18,203.6 |  |  |  | 344,872.2 |
Derivative financial instruments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Forward exchange contracts |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Outflows |  |  | 67,393.5 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 67,393.5 |
Inflows |  |  | (67,957.9 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (67,957.9 | )
|  |  | (564.4 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (564.4 | )
|  | $ | 242,360.9 |  |  | $ | 75,881.9 |  |  | $ | 7,861.4 |  |  | $ | 18,203.6 |  |  | $ | 344,307.8 |
December 31, 2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Non-derivative financial liabilities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Short-term loans |  | $ | 88,810.7 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 88,810.7 |
Accounts payable (including related parties) |  |  | 34,357.4 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 34,357.4 |
Payables to contractors and equipment suppliers |  |  | 43,133.7 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 43,133.7 |
Accrued expenses and other current liabilities |  |  | 50,241.0 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 50,241.0 |
Bonds payable |  |  | 36,039.9 |  |  |  | 35,340.8 |  |  |  | 22,979.4 |  |  |  | — |  |  |  | 94,360.1 |
Guarantee deposits (including those classified under accrued expenses and other current liabilities) |  |  | 6,835.7 |  |  |  | 2,891.6 |  |  |  | 461.7 |  |  |  | — |  |  |  | 10,189.0 |
|  |  | 259,418.4 |  |  |  | 38,232.4 |  |  |  | 23,441.1 |  |  |  | — |  |  |  | 321,091.9 |
Derivative financial instruments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Forward exchange contracts |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Outflows |  |  | 49,302.3 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 49,302.3 |
Inflows |  |  | (49,393.7 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (49,393.7 | )
|  |  | (91.4 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (91.4 | )
|  | $ | 259,327.0 |  |  | $ | 38,232.4 |  |  | $ | 23,441.1 |  |  | $ | — |  |  | $ | 321,000.5 |
Summary of Level 3 Fair Value Were Equity Investments classified as Financial Assets at FVTOCI | The financial assets measured at Level 3 fair value were equity investments classified as financial assets at FVTOCI. Reconciliations for the year ended December 31, 2018 were as follows:
|  | NT$ |
|  | (In Millions) |
Balance at January 1, 2018 |  | $ | 5,841.4 |
Additions |  |  | 212.5 |
Recognized in other comprehensive income |  |  | (2,141.4 | )
Disposals and proceeds from return of capital of investments |  |  | (175.8 | )
Effect of exchange rate changes |  |  | 174.0 |
Balance at December 31, 2018 |  | $ | 3,910.7 |
Measured at fair value on a recurring basis [member] |
Statement [LineItems] |
Fair Value of Financial Instruments | The following table presents the Company’s financial assets and liabilities measured at fair value on a recurring basis:
|  | December 31, 2017 |
|  | Level 1 |  |  | Level 2 |  |  | Level 3 |  |  | Total |
|  | NT$ |  |  | NT$ |  |  | NT$ |  |  | NT$ |
|  | (In Millions) |  |  | (In Millions) |  |  | (In Millions) |  |  | (In Millions) |
Financial assets at FVTPL |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Held for trading |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Forward exchange contracts |  | $ | — |  |  | $ | 569.8 |  |  | $ | — |  |  | $ | 569.8 |
Available-for-sale financial assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate bonds |  | $ | — |  |  | $ | 40,165.2 |  |  | $ | — |  |  | $ | 40,165.2 |
Agency bonds/Agency mortgage-backed securities |  |  | — |  |  |  | 29,235.4 |  |  |  | — |  |  |  | 29,235.4 |
Asset-backed securities |  |  | — |  |  |  | 13,459.5 |  |  |  | — |  |  |  | 13,459.5 |
Government bonds |  |  | 7,716.0 |  |  |  | 101.7 |  |  |  | — |  |  |  | 7,817.7 |
Publicly traded stocks |  |  | 2,548.1 |  |  |  | — |  |  |  | — |  |  |  | 2,548.1 |
Commercial paper |  |  | — |  |  |  | 148.3 |  |  |  | — |  |  |  | 148.3 |
|  | $ | 10,264.1 |  |  | $ | 83,110.1 |  |  | $ | — |  |  | $ | 93,374.2 |
Hedging derivative financial assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair value hedges |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate futures contracts |  | $ | 27.0 |  |  | $ | — |  |  | $ | — |  |  | $ | 27.0 |
Cash flow hedges |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Forward exchange contracts |  |  | — |  |  |  | 7.4 |  |  |  | — |  |  |  | 7.4 |
|  | $ | 27.0 |  |  | $ | 7.4 |  |  | $ | — |  |  | $ | 34.4 |
Financial liabilities at FVTPL |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Held for trading |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Forward exchange contracts |  | $ | — |  |  | $ | 26.7 |  |  | $ | — |  |  | $ | 26.7 |
Hedging derivative financial liabilities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash flow hedges |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Forward exchange contracts |  | $ | — |  |  | $ | 15.6 |  |  | $ | — |  |  | $ | 15.6 |
|  | December 31, 2018 |
|  | Level 1 |  |  | Level 2 |  |  | Level 3 |  |  | Total |
|  | NT$ |  |  | NT$ |  |  | NT$ |  |  | NT$ |
|  | (In Millions) |  |  | (In Millions) |  |  | (In Millions) |  |  | (In Millions) |
Financial assets at FVTPL |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Mandatorily measured at FVTPL |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Agency mortgage-backed securities |  | $ | — |  |  | $ | 3,419.3 |  |  | $ | — |  |  | $ | 3,419.3 |
Forward exchange contracts |  |  | — |  |  |  | 85.3 |  |  |  | — |  |  |  | 85.3 |
|  | $ | — |  |  | $ | 3,504.6 |  |  | $ | — |  |  | $ | 3,504.6 |
Financial assets at FVTOCI |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Investments in debt instruments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate bonds |  | $ | — |  |  | $ | 40,753.6 |  |  | $ | — |  |  | $ | 40,753.6 |
Agency bonds/Agency mortgage-backed securities |  |  | — |  |  |  | 31,288.8 |  |  |  | — |  |  |  | 31,288.8 |
Asset-backed securities |  |  | — |  |  |  | 15,670.3 |  |  |  | — |  |  |  | 15,670.3 |
Government bonds |  |  | 11,006.2 |  |  |  | 145.1 |  |  |  | — |  |  |  | 11,151.3 |
Commercial paper |  |  | — |  |  |  | 107.6 |  |  |  | — |  |  |  | 107.6 |
Investments in equity instruments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Non-publicly traded equity investments |  |  | — |  |  |  | — |  |  |  | 3,910.7 |  |  |  | 3,910.7 |
Publicly traded stocks |  |  | 590.1 |  |  |  | — |  |  |  | — |  |  |  | 590.1 |
Notes and accounts receivable, net |  |  | — |  |  |  | 3,595.1 |  |  |  | — |  |  |  | 3,595.1 |
|  | $ | 11,596.3 |  |  | $ | 91,560.5 |  |  | $ | 3,910.7 |  |  | $ | 107,067.5 |
Hedging financial assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash flow hedges |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Forward exchange contracts |  | $ | — |  |  | $ | 23.5 |  |  | $ | — |  |  | $ | 23.5 |
Financial liabilities at FVTPL |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Held for trading |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Forward exchange contracts |  | $ | — |  |  | $ | 40.8 |  |  | $ | — |  |  | $ | 40.8 |
Hedging financial liabilities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair value hedges |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate futures contracts |  | $ | 153.9 |  |  | $ | — |  |  | $ | — |  |  | $ | 153.9 |
Cash flow hedges |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Forward exchange contracts |  |  | — |  |  |  | 1.9 |  |  |  | — |  |  |  | 1.9 |
|  | $ | 153.9 |  |  | $ | 1.9 |  |  | $ | — |  |  | $ | 155.8 |
Not measured at fair value but for which the fair value is disclosed [member] |
Statement [LineItems] |
Fair Value of Financial Instruments | The table below sets out the fair value hierarchy for the Company’s assets and liabilities which are not required to measure at fair value:
|  | December 31, 2017 |
|  | Carrying Amount |  |  | Fair Value |
|  | Level 1 |  |  | Level 2 |  |  | Level 3 |  |  | Total |
|  | NT$ |  |  | NT$ |  |  | NT$ |  |  | NT$ |  |  | NT$ |
|  | (In Millions) |  |  | (In Millions) |  |  | (In Millions) |  |  | (In Millions) |  |  | (In Millions) |
Financial assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Held-to-maturity securities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate bonds |  | $ | 19,338.8 |  |  | $ | — |  |  | $ | 19,541.4 |  |  | $ | — |  |  | $ | 19,541.4 |
Structured product |  |  | 1,482.9 |  |  |  | — |  |  |  | 1,475.4 |  |  |  | — |  |  |  | 1,475.4 |
|  | $ | 20,821.7 |  |  | $ | — |  |  | $ | 21,016.8 |  |  | $ | — |  |  | $ | 21,016.8 |
Financial liabilities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Measured at amortized cost |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Bonds payable |  | $ | 150,201.1 |  |  | $ | — |  |  | $ | 152,077.7 |  |  | $ | — |  |  | $ | 152,077.7 |
|  | December 31, 2018 |
|  | Carrying Amount |  |  | Fair Value |
|  | Level 1 |  |  | Level 2 |  |  | Level 3 |  |  | Total |
|  | NT$ |  |  | NT$ |  |  | NT$ |  |  | NT$ |  |  | NT$ |
|  | (In Millions) |  |  | (In Millions) |  |  | (In Millions) |  |  | (In Millions) |  |  | (In Millions) |
Financial assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Financial assets at amortized costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate bonds |  | $ | 19,511.8 |  |  | $ | — |  |  | $ | 19,554.5 |  |  | $ | — |  |  | $ | 19,554.5 |
Commercial paper |  |  | 2,294.1 |  |  |  | — |  |  |  | 2,296.2 |  |  |  | — |  |  |  | 2,296.2 |
|  | $ | 21,805.9 |  |  | $ | — |  |  | $ | 21,850.7 |  |  | $ | — |  |  | $ | 21,850.7 |
Financial liabilities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Financial liabilities at amortized costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Bonds payable |  | $ | 91,800.0 |  |  | $ | — |  |  | $ | 93,171.3 |  |  | $ | — |  |  | $ | 93,171.3 |

X
- Definition The disclosure of the credit risk exposure. Credit risk exposure is the credit risk inherent in an entity’s financial assets and commitments to extend credit. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2018-01-01 -Paragraph 35M -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=7&date=2018-03-01&anchor=para_35M&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_DisclosureOfCreditRiskExposureExplanatory
Namespace Prefix: | ifrs-full_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition The disclosure of detailed information about financial instruments. [Refer: Financial instruments, class [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2018-01-01 -Paragraph 31 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=7&date=2018-03-01&anchor=para_31&doctype=Standard -URIDate 2018-03-16 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2018-01-01 -Paragraph 7 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=7&date=2018-03-01&anchor=para_7&doctype=Standard -URIDate 2018-03-16 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2018-01-01 -Paragraph 35K -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=7&date=2018-03-01&anchor=para_35K&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_DisclosureOfDetailedInformationAboutFinancialInstrumentsExplanatory
Namespace Prefix: | ifrs-full_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition The disclosure of the fair value of investments in equity instruments that the entity has designated at fair value through other comprehensive income. [Refer: Investments in equity instruments designated at fair value through other comprehensive income] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2018-01-01 -Paragraph 11A -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=7&date=2018-03-01&anchor=para_11A_c&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_DisclosureOfFairValueOfEachInvestmentInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeExplanatory
Namespace Prefix: | ifrs-full_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition The disclosure of the fair value of financial instruments. [Refer: Financial instruments, class [member]; At fair value [member]] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 10 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_10_e&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_DisclosureOfFairValueOfFinancialInstrumentsExplanatory
Namespace Prefix: | ifrs-full_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Disclosure of maturity analysis for non-derivative and derivative financial liabilities. + References No definition available. + Details
Name: | tsm_DisclosureOfMaturityAnalysisForNonderivativeAndDerivativeFinancialLiabilitiesExplanatory
Namespace Prefix: | tsm_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | tsm_StatementLineItems
Namespace Prefix: | tsm_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | ifrs-full_MeasurementAxis=ifrs-full_RecurringFairValueMeasurementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MeasurementAxis=ifrs-full_NotMeasuredAtFairValueInStatementOfFinancialPositionButForWhichFairValueIsDisclosedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |