XML 172 R157.htm IDEA: XBRL DOCUMENT v3.23.1

Profit Before Income Tax - Summary of Capitalized Borrowing Costs (Detail)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Inventories related to real estate business [member] | Bottom of range [member]
Disclosure of detailed information about borrowings [line items]
Annual interest capitalization rates		4.20%	4.20%
Inventories related to real estate business [member] | Top of range [member]
Disclosure of detailed information about borrowings [line items]
Annual interest capitalization rates		4.35%	4.75%
Property, plant and equipment [member] | Bottom of range [member]
Disclosure of detailed information about borrowings [line items]
Annual interest capitalization rates	0.59%	0.48%	0.49%
Property, plant and equipment [member] | Top of range [member]
Disclosure of detailed information about borrowings [line items]
Annual interest capitalization rates	4.22%	1.08%	3.47%

X

- Definition

The weighted average of interest and other costs that an entity incurs in connection with the borrowing of funds applicable to the borrowings of the entity that are outstanding during the period, other than borrowings made specifically for the purpose of obtaining a qualifying asset. [Refer: Weighted average [member]; Borrowings]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 23
-IssueDate 2022-03-24
-Paragraph 26
-Subparagraph b
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=23&code=ifrs-tx-2022-en-r&anchor=para_26_b&doctype=Standard
-URIDate 2022-03-24

+ Details

Name:	ifrs-full_CapitalisationRateOfBorrowingCostsEligibleForCapitalisation
Namespace Prefix:	ifrs-full_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.

+ References

No definition available.

+ Details

Name:	ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	ifrs-full_AssetsAndLiabilitiesAxis=asx_Inventories1Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_RangeAxis=ifrs-full_BottomOfRangeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_RangeAxis=ifrs-full_TopOfRangeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_AssetsAndLiabilitiesAxis=ifrs-full_PropertyPlantAndEquipmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: