XML 215 R197.htm IDEA: XBRL DOCUMENT
v3.22.1

Cash Flows Information - Summary of Non-cash Investing Activities (Detail) $ in Thousands, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 TWD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 TWD ($) | Dec. 31, 2019 TWD ($)
Payments for property, plant and equipment |  |  |  |
Purchase of property, plant and equipment | $ 74,417,541 | $ 2,682,681 | $ 59,024,201 | $ 63,073,887
Increase in other non-current assets | 1,184,927 | 42,715 | 78,291 | 68,560
Decrease (increase) in other payables | (4,671,228) | (168,394) | 3,029,162 | (6,254,579)
Capitalized borrowing costs | (25,581) | (922) | (54,208) | (77,715)
Payments for property, plant and equipment | 70,905,659 | 2,556,080 | 62,077,446 | 56,810,153
Proceeds from disposal of property, plant and equipment |  |  |  |
Consideration from disposal of property, plant and equipment | 1,128,850 | 40,693 | 5,184,925 | 441,444
Increase in other non-current assets | (134,760) | (4,858) |  |
Increase (decrease) in other receivables | 610,912 | 22,024 | (735,812) | 7,495
Proceeds from disposal of property, plant and equipment | 1,605,002 | 57,859 | 4,449,113 | 448,939
Payments for other intangible assets |  |  |  |
Purchase of other intangible assets | 1,069,866 | 38,568 | 982,655 | 1,350,908
Decrease in other payables |  |  |  | 60,160
Purchase of intangible assets classified as investing activities | $ 1,069,866 | $ 38,568 | $ 982,655 | $ 1,411,068

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

X
- Definition Consideration from disposal of property, plant and equipment. + References No definition available. + Details
Name: | asx_ConsiderationFromDisposalOfPropertyPlantAndEquipment
Namespace Prefix: | asx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Increase decrease In other noncurrent assets for property plant and equipment. + References No definition available. + Details
Name: | asx_IncreaseDecreaseInOtherNonCurrentAssetsForPropertyPlantAndEquipment
Namespace Prefix: | asx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Increase (decrease) in other payables related to other intangible assets. + References No definition available. + Details
Name: | asx_IncreaseDecreaseInOtherPayablesRelatedToOtherIntangibleAssets
Namespace Prefix: | asx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition (Increase) decrease in other receivables 1. + References No definition available. + Details
Name: | asx_IncreaseDecreaseInOtherReceivables1
Namespace Prefix: | asx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition (Increase) decrease in payables for property, plant and equipment . + References No definition available. + Details
Name: | asx_IncreaseDecreaseInPayablesForPropertyPlantAndEquipment
Namespace Prefix: | asx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Payments for other intangible assets. + References No definition available. + Details
Name: | asx_PaymentsForOtherIntangibleAssetsAbstract
Namespace Prefix: | asx_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Payments for property, plant and equipment [abstract] + References No definition available. + Details
Name: | asx_PaymentsForPropertyPlantAndEquipmentAbstract
Namespace Prefix: | asx_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of additions to intangible assets other than goodwill, other than those acquired through business combinations. [Refer: Business combinations [member]; Intangible assets other than goodwill] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 38 -IssueDate 2021-01-01 -Paragraph 118 -Subparagraph e -Clause i -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=38&code=ifrs-tx-2021-en-r&anchor=para_118_e_i&doctype=Standard -URIDate 2021-03-24 + Details
Name: | ifrs-full_AdditionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of additions to property, plant and equipment other than those acquired through business combinations. [Refer: Business combinations [member]; Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2021-01-01 -Paragraph 73 -Subparagraph e -Clause i -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2021-en-r&anchor=para_73_e_i&doctype=Standard -URIDate 2021-03-24 + Details
Name: | ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of interest and other costs that an entity incurs in connection with the borrowing of funds that are directly attributable to the acquisition, construction or production of a qualifying asset and which form part of the cost of that asset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 23 -IssueDate 2021-01-01 -Paragraph 26 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=23&code=ifrs-tx-2021-en-r&anchor=para_26_a&doctype=Standard -URIDate 2021-03-24 + Details
Name: | ifrs-full_BorrowingCostsCapitalised
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | ifrs-full_DisposalsAndRetirementsPropertyPlantAndEquipmentAbstract
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
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 2021-01-01 -Paragraph 16 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2021-en-r&anchor=para_16_b&doctype=Standard -URIDate 2021-03-24 + Details
Name: | ifrs-full_ProceedsFromSalesOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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 2021-01-01 -Paragraph 16 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2021-en-r&anchor=para_16_a&doctype=Standard -URIDate 2021-03-24 + 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 2021-01-01 -Paragraph 16 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2021-en-r&anchor=para_16_a&doctype=Standard -URIDate 2021-03-24 + Details
Name: | ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration