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v3.23.1

Investment Properties - Summary of Investment Properties (Detail) $ in Thousands, $ in Thousands | 12 Months Ended
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Dec. 31, 2022 TWD ($) | Dec. 31, 2022 USD ($) | Dec. 31, 2021 TWD ($) | Dec. 31, 2020 TWD ($)
Disclosure of detailed information about investment property [line items] |  |  |  |
Beginning balance | $ 22,144,787 |  | $ 12,538,083 |
Depreciation expenses | 1,107,014 | $ 36,024 | 751,047 | $ 562,260
Ending balance | 21,729,092 | 707,097 | 22,144,787 | 12,538,083
Land [member] |  |  |  |
Disclosure of detailed information about investment property [line items] |  |  |  |
Beginning balance | 35,572 |  | 35,965 |
Ending balance | 35,572 | 1,158 | 35,572 | 35,965
Buildings and improvements [member] |  |  |  |
Disclosure of detailed information about investment property [line items] |  |  |  |
Beginning balance | 13,103,952 |  | 6,480,338 |
Ending balance | 12,889,336 | 419,438 | 13,103,952 | 6,480,338
Right-of-use assets [member] |  |  |  |
Disclosure of detailed information about investment property [line items] |  |  |  |
Beginning balance | 9,005,263 |  | 6,021,780 |
Ending balance | 8,804,184 | 286,501 | 9,005,263 | 6,021,780
Cost [member] |  |  |  |
Disclosure of detailed information about investment property [line items] |  |  |  |
Beginning balance | 26,454,348 | 860,865 | 14,597,683 | 14,314,126
Additions | 114,786 | 3,735 |  | 6,352
Disposals | (9,770) | (318) | (5,350) | (1,902)
Disposal of subsidiaries |  |  | (1,377,599) |
Reclassification | 28,844 | 938 | 13,215,879 | 42,317
Effects of foreign currency exchange differences | 380,687 | 12,388 | 23,735 | 236,790
Ending balance | 26,968,895 | 877,608 | 26,454,348 | 14,597,683
Cost [member] | Land [member] |  |  |  |
Disclosure of detailed information about investment property [line items] |  |  |  |
Beginning balance | 35,572 | 1,158 | 35,965 | 35,965
Reclassification | 0 | 0 | (393) |
Effects of foreign currency exchange differences | 0 |  |  |
Ending balance | 35,572 | 1,158 | 35,572 | 35,965
Cost [member] | Buildings and improvements [member] |  |  |  |
Disclosure of detailed information about investment property [line items] |  |  |  |
Beginning balance | 16,376,098 | 532,903 | 7,822,805 | 7,710,369
Additions | 114,786 | 3,735 |  | 6,352
Disposals | (9,770) | (318) | (5,350) | (1,902)
Disposal of subsidiaries |  |  | (1,290,187) |
Reclassification | 39,158 | 1,274 | 9,818,133 | (3,884)
Effects of foreign currency exchange differences | 237,171 | 7,718 | 30,697 | 111,870
Ending balance | 16,757,443 | 545,312 | 16,376,098 | 7,822,805
Cost [member] | Right-of-use assets [member] |  |  |  |
Disclosure of detailed information about investment property [line items] |  |  |  |
Beginning balance | 10,042,678 | 326,804 | 6,738,913 | 6,567,792
Disposal of subsidiaries |  |  | (87,412) |
Reclassification | (10,314) | (336) | 3,398,139 | 46,201
Effects of foreign currency exchange differences | 143,516 | 4,670 | (6,962) | 124,920
Ending balance | 10,175,880 | 331,138 | 10,042,678 | 6,738,913
Accumulated depreciations [member] |  |  |  |
Disclosure of detailed information about investment property [line items] |  |  |  |
Beginning balance | 4,309,561 | 140,240 | 2,059,600 | 1,460,055
Depreciation expenses | 1,107,014 | 36,024 | 751,047 | 562,260
Disposals | (8,354) | (272) | (3,671) | (1,293)
Disposal of subsidiaries |  |  | (590,349) |
Reclassification | (210,817) | (6,861) | 2,093,115 | 9,119
Effects of foreign currency exchange differences | 42,399 | 1,380 | (181) | 29,459
Ending balance | 5,239,803 | 170,511 | 4,309,561 | 2,059,600
Accumulated depreciations [member] | Buildings and improvements [member] |  |  |  |
Disclosure of detailed information about investment property [line items] |  |  |  |
Beginning balance | 3,272,146 | 106,481 | 1,342,467 | 972,571
Depreciation expenses | 779,431 | 25,364 | 482,625 | 353,048
Disposals | (8,354) | (272) | (3,671) | (1,293)
Disposal of subsidiaries |  |  | (570,403) |
Reclassification | (198,631) | (6,464) | 2,014,201 | (1,498)
Effects of foreign currency exchange differences | 23,515 | 765 | 6,927 | 19,639
Ending balance | 3,868,107 | 125,874 | 3,272,146 | 1,342,467
Accumulated depreciations [member] | Right-of-use assets [member] |  |  |  |
Disclosure of detailed information about investment property [line items] |  |  |  |
Beginning balance | 1,037,415 | 33,759 | 717,133 | 487,484
Depreciation expenses | 327,583 | 10,660 | 268,422 | 209,212
Disposal of subsidiaries |  |  | (19,946) |
Reclassification | (12,186) | (397) | 78,914 | 10,617
Effects of foreign currency exchange differences | 18,884 | 615 | (7,108) | 9,820
Ending balance | $ 1,371,696 | $ 44,637 | $ 1,037,415 | $ 717,133

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- Definition The increase in investment property resulting from acquisitions through business combinations. [Refer: Business combinations [member]; Investment property] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 40 -IssueDate 2022-03-24 -Paragraph 76 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=40&code=ifrs-tx-2022-en-r&anchor=para_76_b&doctype=Standard -URIDate 2022-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 40 -IssueDate 2022-03-24 -Paragraph 79 -Subparagraph d -Clause ii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=40&code=ifrs-tx-2022-en-r&anchor=para_79_d_ii&doctype=Standard -URIDate 2022-03-24 + Details
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- Definition The decrease in investment property through classification as held for sale or inclusion in a disposal group classified as held for sale. [Refer: Disposal groups classified as held for sale [member]; Property, plant and equipment; Investment property; Disposal groups classified as held for sale [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 40 -IssueDate 2022-03-24 -Paragraph 76 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=40&code=ifrs-tx-2022-en-r&anchor=para_76_c&doctype=Standard -URIDate 2022-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 40 -IssueDate 2022-03-24 -Paragraph 79 -Subparagraph d -Clause iii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=40&code=ifrs-tx-2022-en-r&anchor=para_79_d_iii&doctype=Standard -URIDate 2022-03-24 + Details
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- Definition The amount of depreciation recognised on investment property. [Refer: Depreciation and amortisation expense; Investment property] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 40 -IssueDate 2022-03-24 -Paragraph 76 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=40&code=ifrs-tx-2022-en-r&anchor=para_76&doctype=Standard -URIDate 2022-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 40 -IssueDate 2022-03-24 -Paragraph 79 -Subparagraph d -Clause iv -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=40&code=ifrs-tx-2022-en-r&anchor=para_79_d_iv&doctype=Standard -URIDate 2022-03-24 + Details
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- Definition The decrease in investment property resulting from disposals. [Refer: Investment property] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 40 -IssueDate 2022-03-24 -Paragraph 76 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=40&code=ifrs-tx-2022-en-r&anchor=para_76_c&doctype=Standard -URIDate 2022-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 40 -IssueDate 2022-03-24 -Paragraph 79 -Subparagraph d -Clause iii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=40&code=ifrs-tx-2022-en-r&anchor=para_79_d_iii&doctype=Standard -URIDate 2022-03-24 + Details
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- Definition The increase (decrease) in investment property resulting from net exchange differences arising on the translation of the financial statements from the functional currency into a different presentation currency, including the translation of a foreign operation into the presentation currency of the reporting entity. [Refer: Investment property] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 40 -IssueDate 2022-03-24 -Paragraph 76 -Subparagraph e -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=40&code=ifrs-tx-2022-en-r&anchor=para_76_e&doctype=Standard -URIDate 2022-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 40 -IssueDate 2022-03-24 -Paragraph 79 -Subparagraph d -Clause vi -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=40&code=ifrs-tx-2022-en-r&anchor=para_79_d_vi&doctype=Standard -URIDate 2022-03-24 + Details
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