XML 210 R195.htm IDEA: XBRL DOCUMENT
v3.23.1

Disposal of Subsidiaries - Summary of Net Cash Inflow on Disposal of Susbsidiaries (Detail) ¥ in Thousands, $ in Thousands | 1 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2020 CNY (¥) | Dec. 31, 2021 TWD ($) | Dec. 31, 2020 TWD ($)
Disclosure Of Net Cash Inflow On Disposal Of Subsidiaries [Line Items] |  |  |
Consideration received in cash and cash equivalents | ¥ | ¥ 966,000 |  |
SPIL Cayman Holdings Limited [member] |  |  |
Disclosure Of Net Cash Inflow On Disposal Of Subsidiaries [Line Items] |  |  |
Consideration received in cash and cash equivalents |  | $ 36,939,133 | $ 4,078,844
Less: Cash and cash equivalent balances disposed of |  | (2,625,715) | (200,347)
Other receivables (the outstanding receivables of consideration, net of relevant expenditure) |  | (10,533,600) | (161,458)
Net cash inflow on disposals of subsidiaries |  | $ 23,779,818 | $ 3,717,039

X
- Definition Disclosure of net cash inflow on disposal of subsidiaries. + References No definition available. + Details
Name: | asx_DisclosureOfNetCashInflowOnDisposalOfSubsidiariesLineItems
Namespace Prefix: | asx_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Net cash inflow arising from disposal of subsidiary. + References No definition available. + Details
Name: | asx_NetCashInflowArisingFromDisposalOfSubsidiary
Namespace Prefix: | asx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Other receivables the outstanding receivables of consideration after deduction of relevant expenditure. + References No definition available. + Details
Name: | asx_OtherReceivablesInSubsidiaryOrBusinessesAcquiredOrDisposedNetOfExpenditure
Namespace Prefix: | asx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of cash and cash equivalents in subsidiaries or other businesses over which control is obtained or lost. [Refer: Subsidiaries [member]; Cash and cash equivalents] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2022-03-24 -Paragraph 40 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2022-en-r&anchor=para_40_c&doctype=Standard -URIDate 2022-03-24 + Details
Name: | ifrs-full_CashAndCashEquivalentsInSubsidiaryOrBusinessesAcquiredOrDisposed2013
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of consideration paid or received in respect of both obtaining and losing control of subsidiaries or other businesses. [Refer: Subsidiaries [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2022-03-24 -Paragraph 40 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2022-en-r&anchor=para_40_a&doctype=Standard -URIDate 2022-03-24 + Details
Name: | ifrs-full_ConsiderationPaidReceived
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | asx_OperationsFromContinuingAndDiscontinuedAxis=asx_SpilCaymanHoldingsLimitedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |