XML 152 R136.htm IDEA: XBRL DOCUMENT
v3.25.1

Bonds Payable - Additional Information (Detail) - CNY (¥) ¥ / shares in Units, ¥ in Thousands | 1 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Mar. 31, 2021 | Dec. 31, 2024 | Dec. 31, 2023
Bottom of range [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Borrowings, interest rate |  |  | 1.53%
Top of range [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Borrowings, interest rate |  |  | 1.54%
USISH Bonds [Member] | USIE Investor [Member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Borrowings | ¥ 771,169 |  |
Disposal of bonds | 1,870,633 |  |
USISH Bonds [Member] | ASE Investor [Member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Disposal of bonds | ¥ 28,397 |  |
USISH Bonds [Member] | USISH [Member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Borrowings maturity | Within 5 trading days after maturity |  |
Borrowings, interest rate | 108.00% |  |
Borrowings | ¥ 3,450,000 |  |
Notional Amount | ¥ 100 |  |
Conversion Period of Bonds |  | 9 months |
Conversion Price | ¥ 20.25 | ¥ 18.84 |
Percentage of current conversion price on Stock Exchange |  | 80.00% |
Percentage of par value on USISH Bonds |  | 102.00% |
Debt conversion, original debt, amount |  | ¥ 144 |
Debt conversion, converted Instrument, shares issued |  | 7 |
USISH Bonds [Member] | USISH [Member] | Bottom of range [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Percentage of current conversion price on Stock Exchange |  | 70.00% |
Number of consecutive trading days for determining Conversion price |  | 15 days |
USISH Bonds [Member] | USISH [Member] | Top of range [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Number of consecutive trading days for determining Conversion price |  | 30 days |
USISH Bonds [Member] | USIE and ASE (Shanghai) Inc [Member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Borrowings | ¥ 2,670,199 |  |
Unconverted USISH Bonds [Member] | USISH [Member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Borrowings |  | ¥ 30,000 |
Percentage of current conversion price on Stock Exchange |  | 130.00% |
Unconverted USISH Bonds [Member] | USISH [Member] | Bottom of range [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Number of consecutive trading days for determining Conversion price |  | 20 days |
Unconverted USISH Bonds [Member] | USISH [Member] | Top of range [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Percentage of current conversion price on Stock Exchange |  | 130.00% |
Number of consecutive trading days for determining Conversion price |  | 30 days |

X
- Definition Conversion period of bonds. + References No definition available. + Details
Name: | asx_ConversionPeriodOfBonds
Namespace Prefix: | asx_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Conversion price + References No definition available. + Details
Name: | asx_ConversionPrice
Namespace Prefix: | asx_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Debt conversion, converted Instrument, shares issued. + References No definition available. + Details
Name: | asx_DebtConversionConvertedInstrumentSharesIssued
Namespace Prefix: | asx_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Debt conversion, original debt, amount. + References No definition available. + Details
Name: | asx_DebtConversionOriginalDebtAmount
Namespace Prefix: | asx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Disposal of bonds. + References No definition available. + Details
Name: | asx_DisposalOfBonds
Namespace Prefix: | asx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Number of consecutive trading days for determining conversion price. + References No definition available. + Details
Name: | asx_NumberOfConsecutiveTradingDaysForDeterminingConversionPrice
Namespace Prefix: | asx_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of current conversion price on Stock Exchange + References No definition available. + Details
Name: | asx_PercentageOfCurrentConversionPriceOnStockExchange
Namespace Prefix: | asx_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage of par value on USISH bonds. + References No definition available. + Details
Name: | asx_PercentageOfParValueOnUsishBonds
Namespace Prefix: | asx_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The amount of outstanding funds that the entity is obligated to repay. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 55 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_55&doctype=Standard -URIDate 2024-03-27 + Details
Name: | ifrs-full_Borrowings
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The interest rate on borrowings. [Refer: Borrowings] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IFRS -Number 7 -IssueDate 2024-01-01 -Paragraph 7 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2024-en-r&anchor=para_7&doctype=Standard -URIDate 2024-03-27 + Details
Name: | ifrs-full_BorrowingsInterestRate
Namespace Prefix: | ifrs-full_
Data Type: | dtr-2022:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The maturity of borrowings. [Refer: Borrowings] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IFRS -Number 7 -IssueDate 2024-01-01 -Paragraph 7 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2024-en-r&anchor=para_7&doctype=Standard -URIDate 2024-03-27 + Details
Name: | ifrs-full_BorrowingsMaturity
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
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
- Definition The nominal or face amount of a financial instrument, used to calculate payments made on that instrument. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 112 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_112_c&doctype=Standard -URIDate 2024-03-27 + Details
Name: | ifrs-full_NotionalAmount
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

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_BorrowingsByNameAxis=asx_UsishBondsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | asx_InvestorAxis=asx_UsieInvestorMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | asx_InvestorAxis=asx_AseInvestorMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=asx_UsishMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=asx_UsieAndAseShanghaiIncMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_BorrowingsByNameAxis=asx_UnconvertedUsishBondsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |