XML 19 R6.htm IDEA: XBRL DOCUMENT
v3.19.1

Consolidated Statements of Cash Flows $ in Millions, $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2018 TWD ($) | Dec. 31, 2018 USD ($) | Dec. 31, 2017 TWD ($) | Dec. 31, 2016 TWD ($)
CASH FLOWS FROM OPERATING ACTIVITIES |  |  |  |
Income before income tax | $ 397,543.1 | $ 12,987.4 | $ 396,161.9 | $ 385,921.7
Adjustments for: |  |  |  |
Depreciation expense | 288,124.9 | 9,412.8 | 255,796.0 | 220,085.0
Amortization expense | 4,421.4 | 144.5 | 4,346.7 | 3,743.4
Reversal of expected credit losses on investments in debt instruments | (2.4) | (0.1) |  |
Finance costs | 3,051.2 | 99.7 | 3,330.3 | 3,306.1
Share of profits of associates | (3,090.6) | (101.0) | (3,014.8) | (3,457.9)
Interest income | (14,694.4) | (480.0) | (9,464.7) | (6,317.5)
Loss (gain) on disposal or retirement of property, plant and equipment, net | 1,005.6 | 32.9 | 1,097.9 | (46.5)
Gain on disposal of intangible assets, net | (0.4) |  |  |
Impairment loss on property, plant and equipment | 423.5 | 13.8 |  |
Impairment loss on intangible assets |  |  | 13.5 |
Impairment loss on financial assets |  |  | 29.6 | 122.2
Loss on financial instruments at fair value through profit or loss, net | 358.2 | 11.7 |  |
Loss on disposal of investments in debt instruments at fair value through other comprehensive income, net | 989.1 | 32.3 |  |
Gain on disposal of available-for-sale financial assets, net |  |  | (89.8) | (33.2)
Loss on disposal of investments accounted for using equity method, net |  |  |  | 260.0
Loss (gain) from disposal of subsidiaries |  |  | (17.3) | 36.1
Unrealized gross profit on sales to associates | 111.8 | 3.6 | 4.6 | 29.1
Loss (gain) on foreign exchange, net | 2,916.7 | 95.3 | (9,118.6) | (2,656.4)
Dividend income | (158.4) | (5.2) | (145.6) | (137.4)
Loss (gain) arising from fair value hedges, net | 2.3 |  | 30.3 | (16.9)
Changes in operating assets and liabilities: |  |  |  |
Financial instruments at fair value through profit or loss | 480.1 | 15.7 | 5,645.1 | (6,326.6)
Notes and accounts receivable, net | (13,271.3) | (433.6) | 1,061.8 | (49,342.7)
Receivables from related parties | 599.7 | 19.6 | (214.6) | (463.8)
Other receivables from related parties | 106.1 | 3.5 | (13.9) | (21.8)
Inventories | (29,370.0) | (959.5) | (25,229.1) | 18,370.1
Other financial assets | (4,601.3) | (150.3) | (502.3) | (41.6)
Other current assets | (513.0) | (16.8) | 12.1 | 94.5
Other noncurrent assets | 152.6 | 5.0 | (1,276.1) | (349.8)
Accounts payable | 4,540.6 | 148.3 | 2,572.1 | 7,295.4
Payables to related parties | (279.9) | (9.1) | 394.2 | 139.8
Salary and bonus payable | 216.5 | 7.1 | 582.1 | 1,979.8
Accrued profit sharing bonus to employees and compensation to directors and supervisors | 562.0 | 18.4 | 525.1 | 1,935.1
Accrued expenses and other current liabilities | (20,226.4) | (660.8) | 30,435.4 | 3,693.6
Provisions |  |  | (4,057.9) | 7,931.9
Net defined benefit liability | (60.5) | (2.0) | 44.6 | 46.2
Cash generated from operations | 619,336.8 | 20,233.2 | 648,938.6 | 585,777.9
Income taxes paid | (45,382.5) | (1,482.6) | (63,620.4) | (45,943.3)
Net cash generated by operating activities | 573,954.3 | 18,750.6 | 585,318.2 | 539,834.6
CASH FLOWS FROM INVESTING ACTIVITIES |  |  |  |
Acquisitions of financial instruments at fair value through profit or loss - debt instruments | (310.5) | (10.1) |  |
Acquisitions of financial assets at fair value through other comprehensive income | (96,412.8) | (3,149.7) |  |
Acquisitions of available-for-sale financial assets |  |  | (101,824.0) | (83,809.3)
Acquisitions of held-to maturity financial assets |  |  | (1,997.1) | (33,625.4)
Acquisitions of financial assets at amortized cost | (2,294.1) | (74.9) |  |
Acquisitions of property, plant and equipment | (315,581.9) | (10,309.8) | (330,588.2) | (328,045.3)
Acquisitions of intangible assets | (7,100.3) | (232.0) | (4,480.6) | (4,243.1)
Acquisitions of land use right |  |  | (819.7) | (805.3)
Proceeds from disposal or redemption of financial instruments at fair value through profit or loss - debt instruments | 487.2 | 15.9 |  |
Proceeds from disposal or redemption of financial assets at fair value through other comprehensive income | 86,639.3 | 2,830.4 |  |
Proceeds from disposal or redemption of available-for-sale financial assets |  |  | 69,538.9 | 30,128.5
Proceeds from disposal or redemption of held-to-maturity financial assets |  |  | 17,980.6 | 10,550.0
Proceeds from disposal or redemption of financial assets at amortized cost | 2,032.4 | 66.4 |  |
Proceeds from disposal or redemption of property, plant and equipment | 181.5 | 5.9 | 326.2 | 98.1
Proceeds from disposal or redemption of intangible assets | 0.5 |  |  |
Proceeds from return of capital of investments in equity instruments at fair value through other comprehensive income | 127.9 | 4.2 |  |
Proceeds from return of capital of available-for-sale financial assets |  |  | 14.8 | 65.1
Derecognition of hedging derivative financial instruments |  |  | 33.0 | 8.9
Derecognition of hedging financial instruments | 250.5 | 8.2 |  |
Interest received | 14,660.4 | 478.9 | 9,526.3 | 6,353.2
Cash outflow from disposal of subsidiary |  |  | (4.1) |
Other dividends received | 158.4 | 5.2 | 145.6 | 137.4
Dividends received from investments accounted for using equity method | 3,262.9 | 106.6 | 4,245.8 | 5,478.8
Refundable deposits paid | (2,227.5) | (72.8) | (1,327.0) | (145.0)
Refundable deposits refunded | 1,857.2 | 60.7 | 433.0 | 169.9
Decrease in receivables for temporary payments |  |  |  | 706.7
Net cash used in investing activities | (314,268.9) | (10,266.9) | (336,164.9) | (395,439.7)
CASH FLOWS FROM FINANCING ACTIVITIES |  |  |  |
Increase in short-term loans | 23,923.0 | 781.5 | 10,394.3 | 18,968.9
Repayment of bonds | (58,024.9) | (1,895.6) | (38,100.0) | (23,471.6)
Repayment of long-term bank loans |  |  | (31.4) | (8.5)
Interest paid | (3,233.4) | (105.6) | (3,482.7) | (3,302.4)
Guarantee deposits received | 1,668.9 | 54.5 | 950.9 | 6,354.7
Guarantee deposits refunded | (1,948.1) | (63.6) | (3,823.2) | (523.3)
Cash dividends | (207,443.0) | (6,777.0) | (181,512.7) | (155,582.3)
Donation from shareholders | 10.1 | 0.3 | 20.9 |
Decrease in non-controlling interests | (77.4) | (2.5) | (113.7) | (235.7)
Net cash used in financing activities | (245,124.8) | (8,008.0) | (215,697.6) | (157,800.2)
EFFECT OF EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS | 9,862.3 | 322.2 | (21,317.8) | (8,029.8)
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS | 24,422.9 | 797.9 | 12,137.9 | (21,435.1)
CASH AND CASH EQUIVALENTS, BEGINNING OF YEAR | 553,391.7 | 18,078.8 | 541,253.8 | 562,688.9
CASH AND CASH EQUIVALENTS, END OF YEAR | $ 577,814.6 | $ 18,876.7 | 553,391.7 | 541,253.8
Land use right and others [member] |  |  |  |
CASH FLOWS FROM INVESTING ACTIVITIES |  |  |  |
Proceeds from government grants |  |  | 1.8 | 798.5
Property, plant and equipment [member] |  |  |  |
CASH FLOWS FROM INVESTING ACTIVITIES |  |  |  |
Proceeds from government grants |  |  | $ 2,629.8 | $ 738.6

X
- Definition Adjustments for decrease (increase) in inventories to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Inventories; Profit (loss)] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 7 -IssueDate 2018-01-01 -Paragraph 20 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=7&date=2018-03-01&anchor=para_20_a&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_AdjustmentsForDecreaseIncreaseInInventories
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Adjustments for decrease (increase) in other current assets to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Other current assets; Profit (loss)] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 7 -IssueDate 2018-01-01 -Paragraph 20 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=7&date=2018-03-01&anchor=para_20&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_AdjustmentsForDecreaseIncreaseInOtherCurrentAssets
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Adjustments for decrease (increase) in trade accounts receivable to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Profit (loss)] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 7 -IssueDate 2018-01-01 -Paragraph 20 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=7&date=2018-03-01&anchor=para_20_a&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAccountReceivable
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Adjustments for increase (decrease) in employee benefit liabilities to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Profit (loss)] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 7 -IssueDate 2018-01-01 -Paragraph 20 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=7&date=2018-03-01&anchor=para_20&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_AdjustmentsForIncreaseDecreaseInEmployeeBenefitLiabilities
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Adjustments for increase (decrease) in trade accounts payable to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Profit (loss)] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 7 -IssueDate 2018-01-01 -Paragraph 20 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=7&date=2018-03-01&anchor=para_20_a&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAccountPayable
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Adjustments for provisions to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Provisions; Profit (loss)] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 7 -IssueDate 2018-01-01 -Paragraph 20 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=7&date=2018-03-01&anchor=para_20_b&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_AdjustmentsForProvisions
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | ifrs-full_AdjustmentsForReconcileProfitLossAbstract
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of amortisation expense. Amortisation is the systematic allocation of depreciable amounts of intangible assets over their useful lives. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_112_c&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_AmortisationExpense
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of cash advances and loans made to other parties (other than advances and loans made by a financial institution), classified as investing activities. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 7 -IssueDate 2018-01-01 -Paragraph 16 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=7&date=2018-03-01&anchor=para_16_e&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_CashAdvancesAndLoansMadeToOtherPartiesClassifiedAsInvestingActivities
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of cash on hand and demand deposits, along with short-term, highly liquid investments that are readily convertible to known amounts of cash and that are subject to an insignificant risk of changes in value. [Refer: Cash; Cash equivalents] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2018-01-01 -Paragraph 45 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=7&date=2018-03-01&anchor=para_45&doctype=Standard -URIDate 2018-03-16 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2018-01-01 -Paragraph B13 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=12&date=2018-03-01&anchor=para_B13_a&doctype=Appendix&seq=2 -URIDate 2018-03-16 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 54 -Subparagraph i -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_54_i&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_CashAndCashEquivalents
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The cash flows from (used in) financing activities, which are activities that result in changes in the size and composition of the contributed equity and borrowings of the entity. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2018-01-01 -Paragraph 10 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=7&date=2018-03-01&anchor=para_10&doctype=Standard -URIDate 2018-03-16 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2018-01-01 -Paragraph 50 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=7&date=2018-03-01&anchor=para_50_d&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_CashFlowsFromUsedInFinancingActivities
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The cash flows from (used in) investing activities, which are the acquisition and disposal of long-term assets and other investments not included in cash equivalents. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2018-01-01 -Paragraph 10 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=7&date=2018-03-01&anchor=para_10&doctype=Standard -URIDate 2018-03-16 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2018-01-01 -Paragraph 50 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=7&date=2018-03-01&anchor=para_50_d&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_CashFlowsFromUsedInInvestingActivities
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The cash flows from (used in) operating activities, which are the principal revenue-producing activities of the entity and other activities that are not investing or financing activities. [Refer: Revenue] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2018-01-01 -Paragraph 10 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=7&date=2018-03-01&anchor=para_10&doctype=Standard -URIDate 2018-03-16 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2018-01-01 -Paragraph 50 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=7&date=2018-03-01&anchor=para_50_d&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_CashFlowsFromUsedInOperatingActivities
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The cash from (used in) the entity's operations. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 7 -IssueDate 2018-01-01 -Section A Statement of cash flows for an entity other than a financial institution -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=7&date=2018-03-01&anchor=sect_AStatementofcashflowsforanentityotherthanafinancialinstitution&doctype=Illustrative%20Examples -URIDate 2018-03-16 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 7 -IssueDate 2018-01-01 -Paragraph 20 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=7&date=2018-03-01&anchor=para_20&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_CashFlowsFromUsedInOperations
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Definition The cash inflow from the repayment of advances and loans made to other parties (other than advances and loans of a financial institution), classified as investing activities. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 7 -IssueDate 2018-01-01 -Paragraph 16 -Subparagraph f -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=7&date=2018-03-01&anchor=para_16_f&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_CashReceiptsFromRepaymentOfAdvancesAndLoansMadeToOtherPartiesClassifiedAsInvestingActivities
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of depreciation expense. Depreciation is the systematic allocation of depreciable amounts of tangible assets over their useful lives. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_112_c&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_DepreciationExpense
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The cash outflow for dividends paid by the entity, classified as financing activities. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2018-01-01 -Paragraph 31 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=7&date=2018-03-01&anchor=para_31&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_DividendsPaidClassifiedAsFinancingActivities
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The cash inflow from dividends received, classified as investing activities. [Refer: Dividends received] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2018-01-01 -Paragraph 31 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=7&date=2018-03-01&anchor=para_31&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_DividendsReceivedClassifiedAsInvestingActivities
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The cash inflow representing dividends received from investments that are accounted for using the equity method, classified as investing activities. [Refer: Investments accounted for using equity method; Dividends received] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 7 -IssueDate 2018-01-01 -Paragraph 16 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=7&date=2018-03-01&anchor=para_16&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_DividendsReceivedFromInvestmentsAccountedForUsingEquityMethodClassifiedAsInvestingActivities
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The effect of exchange rate changes on cash and cash equivalents held or due in a foreign currency. [Refer: Cash and cash equivalents] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2018-01-01 -Paragraph 25 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=7&date=2018-03-01&anchor=para_25&doctype=Standard -URIDate 2018-03-16 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2018-01-01 -Paragraph 28 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=7&date=2018-03-01&anchor=para_28&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of costs associated with financing activities of the entity. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 82 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_82_b&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_FinanceCosts
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The gains (losses) on available-for-sale financial assets. [Refer: Financial assets available-for-sale] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Note Expiry date 2021-01-01 -Name IFRS -Number 7 -IssueDate 2018-01-01 -Paragraph 20 -Subparagraph a -Clause ii -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=7&date=2017-03-02&anchor=para_20_a_ii&doctype=Standard&book=b -URIDate 2018-03-16 + Details
Name: | ifrs-full_GainsLossesOnAvailableforsaleFinancialAssets
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The gains (losses) on disposals of investments. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 98 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_98_d&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_GainsLossesOnDisposalsOfInvestments
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of exchange differences recognised in profit or loss that arise from foreign currency transactions, excluding those arising on financial instruments measured at fair value through profit or loss in accordance with IFRS 9. [Refer: At fair value [member]; Financial instruments, class [member]] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 7 -IssueDate 2018-01-01 -Section A Statement of cash flows for an entity other than a financial institution -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=7&date=2018-03-01&anchor=sect_AStatementofcashflowsforanentityotherthanafinancialinstitution&doctype=Illustrative%20Examples -URIDate 2018-03-16 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 21 -IssueDate 2018-01-01 -Paragraph 52 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=21&date=2018-03-01&anchor=para_52_a&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The gains (losses) recognised in association with the loss of control over a subsidiary, which are attributable to the former controlling interest. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2018-01-01 -Paragraph 19 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=12&date=2018-03-01&anchor=para_19&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_GainsLossesRecognisedWhenControlInSubsidiaryIsLost
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The gain on the disposal of property, plant and equipment. [Refer: Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 98 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_98_c&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_GainsOnDisposalsOfPropertyPlantAndEquipment
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of impairment loss on financial assets. [Refer: Financial assets; Impairment loss] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Note Expiry date 2021-01-01 -Name IFRS -Number 7 -IssueDate 2018-01-01 -Paragraph 20 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=7&date=2017-03-02&anchor=para_20_e&doctype=Standard&book=b -URIDate 2018-03-16 + Details
Name: | ifrs-full_ImpairmentLossOnFinancialAssets
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of impairment loss recognised in profit or loss for intangible assets and goodwill. [Refer: Impairment loss recognised in profit or loss; Intangible assets and goodwill] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 38 -IssueDate 2018-01-01 -Paragraph 118 -Subparagraph e -Clause iv -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=38&date=2018-03-01&anchor=para_118_e_iv&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsAndGoodwill
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of impairment loss recognised in profit or loss for property, plant and equipment. [Refer: Impairment loss recognised in profit or loss; Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2018-01-01 -Paragraph 73 -Subparagraph e -Clause v -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=16&date=2018-03-01&anchor=para_73_e_v&doctype=Standard -URIDate 2018-03-16 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 98 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_98_a&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Definition The cash outflow for income taxes paid, classified as operating activities. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 7 -IssueDate 2018-01-01 -Paragraph 35 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=7&date=2018-03-01&anchor=para_35&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_IncomeTaxesPaidClassifiedAsOperatingActivities
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The increase (decrease) in cash and cash equivalents. [Refer: Cash and cash equivalents] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2018-01-01 -Paragraph 45 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=7&date=2018-03-01&anchor=para_45&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_IncreaseDecreaseInCashAndCashEquivalents
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The cash outflow for interest paid, classified as financing activities. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2018-01-01 -Paragraph 31 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=7&date=2018-03-01&anchor=para_31&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_InterestPaidClassifiedAsFinancingActivities
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The cash inflow from interest received, classified as investing activities. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2018-01-01 -Paragraph 31 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=7&date=2018-03-01&anchor=para_31&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_InterestReceivedClassifiedAsInvestingActivities
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Inflows (outflows) of cash, classified as investing activities, that the entity does not separately disclose in the same statement or note. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2018-01-01 -Paragraph 21 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=7&date=2018-03-01&anchor=para_21&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_OtherInflowsOutflowsOfCashClassifiedAsInvestingActivities
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The cash inflow from current borrowings obtained. [Refer: Current borrowings] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 7 -IssueDate 2018-01-01 -Paragraph 17 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=7&date=2018-03-01&anchor=para_17&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_ProceedsFromCurrentBorrowings
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The cash inflow from the disposal or maturity of available-for-sale financial assets. [Refer: Financial assets available-for-sale] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Note Expiry date 2021-01-01 -Name IAS -Number 7 -IssueDate 2018-01-01 -Paragraph 16 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=7&date=2018-03-02&anchor=para_16&doctype=Standard&book=b -URIDate 2018-03-16 + Details
Name: | ifrs-full_ProceedsFromDisposalOrMaturityOfAvailableforsaleFinancialAssets
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The cash inflow from government grants, classified as investing activities. [Refer: Government [member]; Government grants] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 20 -IssueDate 2018-01-01 -Paragraph 28 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=20&date=2018-03-01&anchor=para_28&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_ProceedsFromGovernmentGrantsClassifiedAsInvestingActivities
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The cash inflow from sales of property, plant and equipment, classified as investing activities. [Refer: Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 7 -IssueDate 2018-01-01 -Paragraph 16 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=7&date=2018-03-01&anchor=para_16_b&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_ProceedsFromSalesOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The profit (loss) before tax expense or income. [Refer: Profit (loss)] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IFRS -Number 8 -IssueDate 2018-01-01 -Paragraph 28 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=8&date=2018-03-01&anchor=para_28_b&doctype=Standard -URIDate 2018-03-16 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Name IFRS -Number 8 -IssueDate 2018-01-01 -Paragraph 23 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=8&date=2018-03-01&anchor=para_23&doctype=Standard -URIDate 2018-03-16 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 103 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_103&doctype=Standard -URIDate 2018-03-16 Reference 4: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 102 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_102&doctype=Standard -URIDate 2018-03-16 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 5 -IssueDate 2018-01-01 -Paragraph 33 -Subparagraph b -Clause i -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=5&date=2018-03-01&anchor=para_33_b_i&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_ProfitLossBeforeTax
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The cash outflow for the purchase of available-for-sale financial assets. [Refer: Financial assets available-for-sale] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Note Expiry date 2021-01-01 -Name IAS -Number 7 -IssueDate 2018-01-01 -Paragraph 16 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=7&date=2018-03-02&anchor=para_16&doctype=Standard&book=b -URIDate 2018-03-16 + Details
Name: | ifrs-full_PurchaseOfAvailableforsaleFinancialAssets
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The cash outflow for the purchases of intangible assets, classified as investing activities. [Refer: Intangible assets other than goodwill] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 7 -IssueDate 2018-01-01 -Paragraph 16 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=7&date=2018-03-01&anchor=para_16_a&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The cash outflow for the purchases of property, plant and equipment, classified as investing activities. [Refer: Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 7 -IssueDate 2018-01-01 -Paragraph 16 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=7&date=2018-03-01&anchor=para_16_a&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The cash outflow for repayments of bonds, notes and debentures. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 7 -IssueDate 2018-01-01 -Paragraph 17 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=7&date=2018-03-01&anchor=para_17&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_RepaymentsOfBondsNotesAndDebentures
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The cash outflow for repayments of non-current borrowings. [Refer: Borrowings] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 7 -IssueDate 2018-01-01 -Paragraph 17 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=7&date=2018-03-01&anchor=para_17&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_RepaymentsOfNoncurrentBorrowings
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of dividends recognised as income. Dividends are distributions of profits to holders of equity investments in proportion to their holdings of a particular class of capital. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_112_c&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_RevenueFromDividends
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of income arising from interest. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2018-01-01 -Paragraph 23 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=8&date=2018-03-01&anchor=para_23_c&doctype=Standard -URIDate 2018-03-16 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2018-01-01 -Paragraph 28 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=8&date=2018-03-01&anchor=para_28_e&doctype=Standard -URIDate 2018-03-16 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2018-01-01 -Paragraph B13 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=12&date=2018-03-01&anchor=para_B13_e&doctype=Appendix&seq=2 -URIDate 2018-03-16 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_112_c&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_RevenueFromInterest
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The entity's share of the profit (loss) of associates accounted for using the equity method. [Refer: Associates [member]; Investments accounted for using equity method; Profit (loss)] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 85 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_85&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_ShareOfProfitLossOfAssociatesAccountedForUsingEquityMethod
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Adjustments For Decrease Increase In Financial Assets And Liabilities At Fair Value Through Profit Or Loss + References No definition available. + Details
Name: | tsm_AdjustmentsForDecreaseIncreaseInFinancialAssetsAndLiabilitiesAtFairValueThroughProfitOrLoss
Namespace Prefix: | tsm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Adjustments for decrease increase in other financial assets. + References No definition available. + Details
Name: | tsm_AdjustmentsForDecreaseIncreaseInOtherFinancialAssets
Namespace Prefix: | tsm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Adjustments for decrease (increase) in other noncurrent assets to reconcile profit (loss) to net cash flow from (used in) operating activities. + References No definition available. + Details
Name: | tsm_AdjustmentsForDecreaseIncreaseInOtherNonCurrentAssets
Namespace Prefix: | tsm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Adjustments for decrease (increase) in other receivables related parties. + References No definition available. + Details
Name: | tsm_AdjustmentsForDecreaseIncreaseInOtherReceivablesRelatedParties
Namespace Prefix: | tsm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Adjustments for decrease (increase) in receivables from related parties. + References No definition available. + Details
Name: | tsm_AdjustmentsForDecreaseIncreaseInReceivablesFromRelatedParties
Namespace Prefix: | tsm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The gain on the disposal of intangible assets. [Refer: intangible assets]. + References No definition available. + Details
Name: | tsm_AdjustmentsForGainOnDisposalOfIntangibleAssetsNet
Namespace Prefix: | tsm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The gains (losses) on disposal of investments in debt instruments at fair value through other comprehensive income. [Refer: Financial assets at fair value through other comprehensive income]. + References No definition available. + Details
Name: | tsm_AdjustmentsForGainsLossesOndisposalOfInvestmentsInDebtInstrumentsAtFairValueThroughOtherComprehensiveIncomeNet
Namespace Prefix: | tsm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The gains (losses) on financial instruments at fair value through profit or loss. [Refer: Financial assets and liabilities at fair value through profit or loss]. + References No definition available. + Details
Name: | tsm_AdjustmentsForGainsLossesOnfinancialInstrumentsAtFairValueThroughProfitOrLossNet
Namespace Prefix: | tsm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Adjustments for increase decrease in accrued expenses and other current liabilities. + References No definition available. + Details
Name: | tsm_AdjustmentsForIncreaseDecreaseInAccruedExpensesAndOtherCurrentLiabilities
Namespace Prefix: | tsm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Adjustments for increase (decrease) in accrued profit sharing bonus to employees and compensation to directors and supervisors. + References No definition available. + Details
Name: | tsm_AdjustmentsForIncreaseDecreaseInAccruedProfitSharingBonusToEmployeesAndCompensationToDirectorsAndSupervisors
Namespace Prefix: | tsm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Adjustments for increase (decrease) in payables to related parties. + References No definition available. + Details
Name: | tsm_AdjustmentsForIncreaseDecreaseInPayablesToRelatedParties
Namespace Prefix: | tsm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Adjustments for increase (decrease) in salary and bonus payables to reconcile profit (loss) to net cash flow from (used in) operating activities. + References No definition available. + Details
Name: | tsm_AdjustmentsForIncreaseDecreaseInSalaryAndBonusPayables
Namespace Prefix: | tsm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Adjustments for net changes in operating assets and liabilities. + References No definition available. + Details
Name: | tsm_AdjustmentsForNetChangesInOperatingAssetsAndLiabilitiesAbstract
Namespace Prefix: | tsm_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of reversal of expected credit losses on investments in debt instruments. + References No definition available. + Details
Name: | tsm_AdjustmentsForReversalOfExpectedCreditLossesOnInvestmentsInDebtInstruments
Namespace Prefix: | tsm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Cash outflow from disposal of subsidiary + References No definition available. + Details
Name: | tsm_CashOutflowFromDisposalOfSubsidiary
Namespace Prefix: | tsm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The cash inflow (outflow) from derecognition of hedging derivative financial instruments. + References No definition available. + Details
Name: | tsm_DerecognitionOfHedgingDerivativeFinancialInstruments
Namespace Prefix: | tsm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The cash inflow (outflow) from derecognition of hedging financial instruments. + References No definition available. + Details
Name: | tsm_DerecognitionOfHedgingFinancialInstruments
Namespace Prefix: | tsm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Donation from shareholder classified as financing activities. + References No definition available. + Details
Name: | tsm_DonationFromShareholderClassifiedAsFinancingActivities
Namespace Prefix: | tsm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The gains (losses) on hedged items in fair value hedges, which are attributable to the hedged risk. + References No definition available. + Details
Name: | tsm_GainLossArisingFromFairValueHedgesNet
Namespace Prefix: | tsm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Guarantee deposits received classified as financing activities. + References No definition available. + Details
Name: | tsm_GuaranteeDepositsReceivedClassifiedAsFinancingActivities
Namespace Prefix: | tsm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Guarantee deposits refunded classified as financing activities. + References No definition available. + Details
Name: | tsm_GuaranteeDepositsRefundedClassifiedAsFinancingActivities
Namespace Prefix: | tsm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Cash inflow (outflow) for changes in noncontrolling interests. + References No definition available. + Details
Name: | tsm_PaymentsProceedsFromChangesInNoncontrollingInterests
Namespace Prefix: | tsm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Proceeds from return of capital of available-for-sale financial assets. + References No definition available. + Details
Name: | tsm_ProceedsFromCashReceivedFromReturnOfCapitalByAvailableforsaleFinancialAssets
Namespace Prefix: | tsm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The cash inflow from disposal or redemption of financial assets at amortized cost. + References No definition available. + Details
Name: | tsm_ProceedsFromFinancialAssetsAtAmortizedCostsClassifiedAsInvestingActivities
Namespace Prefix: | tsm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The cash inflow from disposal or redemption of financial assets at fair value through other comprehensive income. + References No definition available. + Details
Name: | tsm_ProceedsFromFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeClassifiedAsInvestingActivities
Namespace Prefix: | tsm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The cash inflow from the disposal or redemption of financial instruments at fair value through profit or loss - debt instruments. + References No definition available. + Details
Name: | tsm_ProceedsFromFinancialInstrumentsAtFairValueThroughProfitOrLossDebtInstruments
Namespace Prefix: | tsm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The cash inflow from the disposal or redemption of held to maturity financial assets. + References No definition available. + Details
Name: | tsm_ProceedsFromHeldToMaturityFinancialAssets
Namespace Prefix: | tsm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The cash inflow from disposal or redemption of intangible assets, classified as investing activities. [Refer: Intangible assets other than goodwill] + References No definition available. + Details
Name: | tsm_ProceedsFromIntangibleAssets
Namespace Prefix: | tsm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The cash inflow from the return of capital of investments in equity instruments at fair value through other comprehensive income. [Refer: Investments in equity instruments at fair value through other comprehensive income] + References No definition available. + Details
Name: | tsm_ProceedsFromReturnOfCapitalOfInvestmentsInEquityInstrumentsAtFairValueThroughOtherComprehensiveIncome
Namespace Prefix: | tsm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The cash outflow for the purchase of financial assets at amortized cost. [Refer: Financial instruments at amortized cost] + References No definition available. + Details
Name: | tsm_PurchaseOfFinancialAssetsAtAmortisedCost
Namespace Prefix: | tsm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The cash outflow for the purchase of financial assets at fair value through other comprehensive income. [Refer:Financial assets at fair value through other comprehensive income]. + References No definition available. + Details
Name: | tsm_PurchaseOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncome
Namespace Prefix: | tsm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The cash outflow for the purchase of financial assets at fair value through profit or loss debt instruments. [Refer: Financial instruments at fair value through profit or loss]. + References No definition available. + Details
Name: | tsm_PurchaseOfFinancialAssetsAtFairValueThroughProfitOrLossDebtInstruments
Namespace Prefix: | tsm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The cash outflow for the purchase of held to maturity financial assets. + References No definition available. + Details
Name: | tsm_PurchaseOfHeldToMaturityFinancialAssets
Namespace Prefix: | tsm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The cash outflow for acquisition of land for use, classified as investing activities. + References No definition available. + Details
Name: | tsm_PurchaseOfLandUseRight
Namespace Prefix: | tsm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Unrealized (realized) gross profit on sales to associates. + References No definition available. + Details
Name: | tsm_RealizedUnrealizedGrossProfitOnSalesToAssociates
Namespace Prefix: | tsm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | ifrs-full_ClassesOfAssetsAxis=ifrs-full_RightofuseAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfAssetsAxis=ifrs-full_PropertyPlantAndEquipmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |