XML 26 R4.htm IDEA: XBRL DOCUMENT
v3.21.1

Consolidated Statements of Changes in Equity shares in Millions, $ in Millions, $ in Millions | TWD ($) | USD ($) | Capital Stock - Common Stock [member] TWD ($) shares | Capital Stock - Common Stock [member] USD ($) shares | Capital Surplus [member] TWD ($) | Capital Surplus [member] USD ($) | Retained Earnings - Legal Capital Reserve [member] TWD ($) | Retained Earnings - Legal Capital Reserve [member] USD ($) | Retained Earnings - Special Capital Reserve [member] TWD ($) | Retained Earnings - Special Capital Reserve [member] USD ($) | Retained Earnings - Unappropriated Earnings [member] TWD ($) | Retained Earnings - Unappropriated Earnings [member] USD ($) | Retained Earnings [member] TWD ($) | Retained Earnings [member] USD ($) | Others - Foreign Currency Translation Reserve [member] TWD ($) | Others - Foreign Currency Translation Reserve [member] USD ($) | Other - Unrealized Gain (Loss) on Financial Assets at Fair Value Through Other Comprehensive Income [member] TWD ($) | Other - Unrealized Gain (Loss) on Financial Assets at Fair Value Through Other Comprehensive Income [member] USD ($) | Other - Gain (Loss) on Hedging Instruments [member] TWD ($) | Other - Gain (Loss) on Hedging Instruments [member] USD ($) | Others - Unearned Stock-Based Employee Compensation [member] TWD ($) | Others - Unearned Stock-Based Employee Compensation [member] USD ($) | Others - Total [member] TWD ($) | Others - Total [member] USD ($) | Total Equity Attributable to Shareholders of the Parent [member] TWD ($) | Total Equity Attributable to Shareholders of the Parent [member] USD ($) | Non-controlling Interests [member] TWD ($) | Non-controlling Interests [member] USD ($)
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Beginning balance at Dec. 31, 2017 | $ 1,495,692.3 |  | $ 259,303.8 |  | $ 56,309.6 |  | $ 241,722.7 |  |  |  | $ 964,884.9 |  | $ 1,206,607.6 |  | $ (26,697.7) |  | $ (524.9) |  | $ 4.2 |  | $ (10.3) |  | $ (27,228.7) |  | $ 1,494,992.3 |  | $ 700.0 |
Beginning balance, shares at Dec. 31, 2017 | shares |  |  | 25,930.3 | 25,930.3 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Legal capital reserve |  |  |  |  |  |  | 34,311.2 |  |  |  | (34,311.2) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Special capital reserve |  |  |  |  |  |  |  |  | $ 26,907.5 |  | (26,907.5) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash dividends to shareholders | (207,443.0) |  |  |  |  |  |  |  |  |  | (207,443.0) |  | (207,443.0) |  |  |  |  |  |  |  |  |  |  |  | (207,443.0) |  |  |
Total | (207,443.0) |  |  |  |  |  | 34,311.2 |  | 26,907.5 |  | (268,661.7) |  | (207,443.0) |  |  |  |  |  |  |  |  |  |  |  | (207,443.0) |  |  |
Net income(loss) | 363,106.2 |  |  |  |  |  |  |  |  |  | 363,052.7 |  | 363,052.7 |  |  |  |  |  |  |  |  |  |  |  | 363,052.7 |  | 53.5 |
Other comprehensive income (loss), net of income tax | 9,837.0 |  |  |  |  |  |  |  |  |  | (765.3) |  | (765.3) |  | 14,655.3 |  | (4,097.5) |  | 41.6 |  |  |  | 10,599.4 |  | 9,834.1 |  | 2.9 |
Total comprehensive income (loss) | 372,943.2 |  |  |  |  |  |  |  |  |  | 362,287.4 |  | 362,287.4 |  | 14,655.3 |  | (4,097.5) |  | 41.6 |  |  |  | 10,599.4 |  | 372,886.8 |  | 56.4 |
Disposal of investments in equity instruments at fair value through other comprehensive income |  |  |  |  |  |  |  |  |  |  | (1,193.1) |  | (1,193.1) |  |  |  | 1,193.1 |  |  |  |  |  | 1,193.1 |  |  |  |  |
Basis adjustment for loss on hedging instruments | (22.2) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (22.2) |  |  |  | (22.2) |  | (22.2) |  |  |
Adjustments to share of changes in equities of associates | 2.1 |  |  |  | (6.4) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 8.5 |  | 8.5 |  | 2.1 |  |  |
From share of changes in equities of subsidiaries |  |  |  |  | 2.7 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2.7 |  | (2.7) |
Donation from shareholders | 10.1 |  |  |  | 10.1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10.1 |  |  |
Increase (Decrease) in non-controlling interests | (77.4) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (77.4) |
Ending balance at Dec. 31, 2018 | 1,661,105.1 |  | $ 259,303.8 |  | 56,316.0 |  | 276,033.9 |  | 26,907.5 |  | 1,057,317.5 |  | 1,360,258.9 |  | (12,042.4) |  | (3,429.3) |  | 23.6 |  | (1.8) |  | (15,449.9) |  | 1,660,428.8 |  | 676.3 |
Ending balance, shares at Dec. 31, 2018 | shares |  |  | 25,930.3 | 25,930.3 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Legal capital reserve |  |  |  |  |  |  | 35,113.1 |  |  |  | (35,113.1) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Special capital reserve |  |  |  |  |  |  |  |  | (16,232.4) |  | 16,232.4 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash dividends to shareholders | (388,955.7) |  |  |  |  |  |  |  |  |  | (388,955.7) |  | (388,955.7) |  |  |  |  |  |  |  |  |  |  |  | (388,955.7) |  |  |
Total | (388,955.7) |  |  |  |  |  | 35,113.1 |  | (16,232.4) |  | (407,836.4) |  | (388,955.7) |  |  |  |  |  |  |  |  |  |  |  | (388,955.7) |  |  |
Net income(loss) | 354,027.0 |  |  |  |  |  |  |  |  |  | 353,948.0 |  | 353,948.0 |  |  |  |  |  |  |  |  |  |  |  | 353,948.0 |  | 79.0 |
Other comprehensive income (loss), net of income tax | (11,823.5) |  |  |  |  |  |  |  |  |  | 217.1 |  | 217.1 |  | (14,829.0) |  | 2,898.5 |  | (109.7) |  |  |  | (12,040.2) |  | (11,823.1) |  | (0.4) |
Total comprehensive income (loss) | 342,203.5 |  |  |  |  |  |  |  |  |  | 354,165.1 |  | 354,165.1 |  | (14,829.0) |  | 2,898.5 |  | (109.7) |  |  |  | (12,040.2) |  | 342,124.9 |  | 78.6 |
Disposal of investments in equity instruments at fair value through other comprehensive income |  |  |  |  |  |  |  |  |  |  | 162.1 |  | 162.1 |  |  |  | (162.1) |  |  |  |  |  | (162.1) |  |  |  |  |
Basis adjustment for loss on hedging instruments | 82.3 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 82.3 |  |  |  | 82.3 |  | 82.3 |  |  |
Adjustments to share of changes in equities of associates | 21.2 |  |  |  | 19.4 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1.6 |  | 1.6 |  | 21.0 |  | 0.2 |
From share of changes in equities of subsidiaries |  |  |  |  | 0.3 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.3 |  | (0.3) |
Donation from shareholders | 4.0 |  |  |  | 4.0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4.0 |  |  |
Increase (Decrease) in non-controlling interests | (73.1) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (73.1) |
Ending balance at Dec. 31, 2019 | 1,614,387.3 |  | $ 259,303.8 |  | 56,339.7 |  | 311,147.0 |  | 10,675.1 |  | 1,003,808.3 |  | 1,325,630.4 |  | (26,871.4) |  | (692.9) |  | (3.8) |  | (0.2) |  | (27,568.3) |  | 1,613,705.6 |  | 681.7 |
Ending balance, shares at Dec. 31, 2019 | shares |  |  | 25,930.3 | 25,930.3 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Special capital reserve |  |  |  |  |  |  |  |  | 31,584.0 |  | (31,584.0) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash dividends to shareholders | (259,303.8) |  |  |  |  |  |  |  |  |  | (259,303.8) |  | (259,303.8) |  |  |  |  |  |  |  |  |  |  |  | (259,303.8) |  |  |
Total | (259,303.8) |  |  |  |  |  |  |  | 31,584.0 |  | (290,887.8) |  | (259,303.8) |  |  |  |  |  |  |  |  |  |  |  | (259,303.8) |  |  |
Net income(loss) | 511,008.0 | $ 18,198.3 |  |  |  |  |  |  |  |  | 510,744.0 |  | 510,744.0 |  |  |  |  |  |  |  |  |  |  |  | 510,744.0 |  | 264.0 |
Other comprehensive income (loss), net of income tax | (30,321.8) | (1,079.8) |  |  |  |  |  |  |  |  | (3,121.8) |  | (3,121.8) |  | (30,130.2) |  | 2,906.0 |  | 24.1 |  |  |  | (27,200.1) |  | (30,321.9) |  | 0.1 |
Total comprehensive income (loss) | 480,686.2 | 17,118.5 |  |  |  |  |  |  |  |  | 507,622.2 |  | 507,622.2 |  | (30,130.2) |  | 2,906.0 |  | 24.1 |  |  |  | (27,200.1) |  | 480,422.1 |  | 264.1 |
Disposal of investments in equity instruments at fair value through other comprehensive income |  |  |  |  |  |  |  |  |  |  | (108.7) |  | (108.7) |  |  |  | 108.7 |  |  |  |  |  | 108.7 |  |  |  |  |
Basis adjustment for loss on hedging instruments | (20.3) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ (20.3) |  |  |  | (20.3) |  | (20.3) |  |  |
Adjustments to share of changes in equities of associates | 0.5 |  |  |  | 0.3 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0.2 |  | 0.2 |  | 0.5 |  |  |
Donation from shareholders | 7.2 |  |  |  | 7.2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 7.2 |  |  |
Increase (Decrease) in non-controlling interests | 6.7 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 6.7 |
Ending balance at Dec. 31, 2020 | $ 1,835,763.8 | $ 65,376.2 | $ 259,303.8 | $ 9,234.5 | $ 56,347.2 | $ 2,006.7 | $ 311,147.0 | $ 11,080.7 | $ 42,259.1 | $ 1,505.0 | $ 1,220,434.0 | $ 43,462.7 | $ 1,573,840.1 | $ 56,048.4 | $ (57,001.6) | $ (2,030.0) | $ 2,321.8 | $ 82.7 |  |  |  |  | $ (54,679.8) | $ (1,947.3) | $ 1,834,811.3 | $ 65,342.3 | $ 952.5 | $ 33.9
Ending balance, shares at Dec. 31, 2020 | shares |  |  | 25,930.3 | 25,930.3 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

X
- Definition The amount of change in equity resulting from transactions and other events, other than those changes resulting from transactions with owners in their capacity as owners. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 1 -IssueDate 2020-01-01 -Paragraph 32 -Subparagraph a -Clause ii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=1&code=ifrs-tx-2020-en-r&anchor=para_32_a_ii&doctype=Standard -URIDate 2020-01-01 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 1 -IssueDate 2020-01-01 -Paragraph 24 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=1&code=ifrs-tx-2020-en-r&anchor=para_24_b&doctype=Standard -URIDate 2020-01-01 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2020-01-01 -Paragraph B12 -Subparagraph b -Clause ix -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2020-en-r&anchor=para_B12_b_ix&doctype=Appendix&subtype=B -URIDate 2020-01-01 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 106 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_106_a&doctype=Standard -URIDate 2020-01-01 Reference 5: http://www.xbrl.org/2003/role/exampleRef -Name IFRS -Number 12 -IssueDate 2020-01-01 -Paragraph B10 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2020-en-r&anchor=para_B10_b&doctype=Appendix&subtype=B -URIDate 2020-01-01 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 81A -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_81A_c&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_ComprehensiveIncome
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of dividends recognised as distributions to owners. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 107 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_107&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_DividendsPaid
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of residual interest in the assets of the entity after deducting all its liabilities. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 1 -IssueDate 2020-01-01 -Paragraph 24 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=1&code=ifrs-tx-2020-en-r&anchor=para_24_a&doctype=Standard -URIDate 2020-01-01 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 1 -IssueDate 2020-01-01 -Paragraph 32 -Subparagraph a -Clause i -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=1&code=ifrs-tx-2020-en-r&anchor=para_32_a_i&doctype=Standard -URIDate 2020-01-01 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 13 -IssueDate 2020-01-01 -Paragraph 93 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2020-en-r&anchor=para_93_a&doctype=Standard -URIDate 2020-01-01 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 13 -IssueDate 2020-01-01 -Paragraph 93 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2020-en-r&anchor=para_93_b&doctype=Standard -URIDate 2020-01-01 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 13 -IssueDate 2020-01-01 -Paragraph 93 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2020-en-r&anchor=para_93_e&doctype=Standard -URIDate 2020-01-01 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_55&doctype=Standard -URIDate 2020-01-01 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 78 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_78_e&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_Equity
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The increase (decrease) in equity resulting from the appropriation of retained earnings. [Refer: Retained earnings] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 106 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_106_d&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_IncreaseDecreaseThroughAppropriationOfRetainedEarnings
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The increase (decrease) in the entity's equity resulting from the change in the equity of subsidiaries. [Refer: Subsidiaries [member]] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 106 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_106_d&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_IncreaseDecreaseThroughChangeInEquityOfSubsidiaries
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The increase (decrease) in equity through changes in ownership interests in subsidiaries that do not result in loss of control. [Refer: Subsidiaries [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 106 -Subparagraph d -Clause iii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_106_d_iii&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_IncreaseDecreaseThroughChangesInOwnershipInterestsInSubsidiariesThatDoNotResultInLossOfControl
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The increase (decrease) in equity resulting from transactions with owners. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 106 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_106_d&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_IncreaseDecreaseThroughTransactionsWithOwners
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The increase (decrease) in equity resulting from transfers to a statutory reserve. [Refer: Statutory reserve] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 106 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_106_d&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_IncreaseDecreaseThroughTransferToStatutoryReserve
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The number of shares that have been authorised and issued, reduced by treasury shares held. [Refer: Treasury shares] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 79 -Subparagraph a -Clause iv -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_79_a_iv&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_NumberOfSharesOutstanding
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition The amount of income and expense (including reclassification adjustments) that is not recognised in profit or loss as required or permitted by IFRSs. [Refer: IFRSs [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 106 -Subparagraph d -Clause ii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_106_d_ii&doctype=Standard -URIDate 2020-01-01 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2020-01-01 -Paragraph B12 -Subparagraph b -Clause viii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2020-en-r&anchor=para_B12_b_viii&doctype=Appendix&subtype=B -URIDate 2020-01-01 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 81A -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_81A_b&doctype=Standard -URIDate 2020-01-01 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 91 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_91_a&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_OtherComprehensiveIncome
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The total of income less expenses from continuing and discontinued operations, excluding the components of other comprehensive income. [Refer: Other comprehensive income] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2020-01-01 -Paragraph 18 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2020-en-r&anchor=para_18_b&doctype=Standard -URIDate 2020-01-01 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 1 -IssueDate 2020-01-01 -Paragraph 24 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=1&code=ifrs-tx-2020-en-r&anchor=para_24_b&doctype=Standard -URIDate 2020-01-01 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 1 -IssueDate 2020-01-01 -Paragraph 32 -Subparagraph a -Clause ii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=1&code=ifrs-tx-2020-en-r&anchor=para_32_a_ii&doctype=Standard -URIDate 2020-01-01 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2020-01-01 -Paragraph 28 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2020-en-r&anchor=para_28_b&doctype=Standard -URIDate 2020-01-01 Reference 5: http://www.xbrl.org/2003/role/exampleRef -Note Effective on first application of IFRS 9 -Name IFRS -Number 4 -IssueDate 2020-01-01 -Paragraph 39L -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=4&code=ifrs-tx-2020-en-b&anchor=para_39L_e&doctype=Standard -URIDate 2020-01-01 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2020-01-01 -Paragraph 23 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2020-en-r&anchor=para_23&doctype=Standard -URIDate 2020-01-01 Reference 7: http://www.xbrl.org/2003/role/exampleRef -Name IFRS -Number 12 -IssueDate 2020-01-01 -Paragraph B10 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2020-en-r&anchor=para_B10_b&doctype=Appendix&subtype=B -URIDate 2020-01-01 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 106 -Subparagraph d -Clause i -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_106_d_i&doctype=Standard -URIDate 2020-01-01 Reference 9: http://www.xbrl.org/2003/role/exampleRef -Note Effective 2021-01-01 -Name IFRS -Number 17 -IssueDate 2020-01-01 -Paragraph 113 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2020-en-r&anchor=para_113_b&doctype=Standard -URIDate 2020-01-01 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 81A -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_81A_a&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_ProfitLoss
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Increase decrease through basis adjustment for loss on hedging instruments. + References No definition available. + Details
Name: | tsm_IncreaseDecreaseThroughBasisAdjustmentForLossOnHedgingInstruments
Namespace Prefix: | tsm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Increase (decrease) through change in associates and joint venture. + References No definition available. + Details
Name: | tsm_IncreaseDecreaseThroughChangeInAssociatesAndJointVenture
Namespace Prefix: | tsm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Increase (decrease) through disposal of investments in equity instruments at fair value through other comprehensive income. + References No definition available. + Details
Name: | tsm_IncreaseDecreaseThroughDisposalOfInvestmentsInEquityInstrumentsAtFairValueThroughOtherComprehensiveIncome
Namespace Prefix: | tsm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Increase (decrease) through transfer to special capital reserve. + References No definition available. + Details
Name: | tsm_IncreaseDecreaseThroughTransferToSpecialCapitalReserve
Namespace Prefix: | tsm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration