| Line |
Label |
Object Class |
Period Type |
Balance |
Report ElementName |
| 1 |
1001 - Document - Document and Entity Information |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DocumentandEntityInformation |
| 2 |
Implied Table |
Table |
* |
* |
implied:Table |
| 3 |
Document and entity information [abstract] |
Abstract |
|
|
asx:DocumentAndEntityInformationAbstract |
| 4 |
Document Type |
Concept (Submission Type) |
For Period |
|
dei:DocumentType |
| 5 |
Amendment Flag |
Concept (Yes/No) |
For Period |
|
dei:AmendmentFlag |
| 6 |
Document Period End Date |
Concept (Date) |
For Period |
|
dei:DocumentPeriodEndDate |
| 7 |
Document Fiscal Year Focus |
Concept (Year) |
For Period |
|
dei:DocumentFiscalYearFocus |
| 8 |
Document Fiscal Period Focus |
Concept (Fiscal Period) |
For Period |
|
dei:DocumentFiscalPeriodFocus |
| 9 |
Trading Symbol |
Concept (Text/String) |
For Period |
|
dei:TradingSymbol |
| 10 |
Entity Registrant Name |
Concept (Text/String) |
For Period |
|
dei:EntityRegistrantName |
| 11 |
Entity Central Index Key |
Concept (CIK Number) |
For Period |
|
dei:EntityCentralIndexKey |
| 12 |
Current Fiscal Year End Date |
Concept (Month/Day) |
For Period |
|
dei:CurrentFiscalYearEndDate |
| 13 |
Entity Well-known Seasoned Issuer |
Concept (Yes/No) |
For Period |
|
dei:EntityWellKnownSeasonedIssuer |
| 14 |
Entity Current Reporting Status |
Concept (Yes/No) |
For Period |
|
dei:EntityCurrentReportingStatus |
| 15 |
Entity Filer Category |
Concept (Filer Category) |
For Period |
|
dei:EntityFilerCategory |
| 16 |
Entity Shell Company |
Concept (Yes/No) |
For Period |
|
dei:EntityShellCompany |
| 17 |
Entity Emerging Growth Company |
Concept (Yes/No) |
For Period |
|
dei:EntityEmergingGrowthCompany |
| 18 |
Entity Common Stock, Shares Outstanding |
Concept (Shares) |
As Of |
|
dei:EntityCommonStockSharesOutstanding |
| 19 |
1003 - Statement - Consolidated Balance Sheets |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/StatementOfFinancialPositionCurrentNonCurrent-210000 |
| 20 |
Implied Table |
Table |
* |
* |
implied:Table |
| 21 |
Statement of financial position [abstract] |
Abstract |
|
|
ifrs-full:StatementOfFinancialPositionAbstract |
| 22 |
ASSETS |
Abstract |
|
|
ifrs-full:AssetsAbstract |
| 23 |
CURRENT ASSETS |
Abstract |
|
|
ifrs-full:CurrentAssetsAbstract |
| 24 |
Cash and cash equivalents |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CashAndCashEquivalents |
| 25 |
Financial assets at fair value through profit or loss - current |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CurrentFinancialAssetsAtFairValueThroughProfitOrLoss |
| 26 |
Available-for-sale financial assets - current |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CurrentFinancialAssetsAvailableforsale |
| 27 |
Contract assets - current |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CurrentContractAssets |
| 28 |
Trade receivables, net |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CurrentTradeReceivables |
| 29 |
Other receivables |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:OtherCurrentReceivables |
| 30 |
Current tax assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CurrentTaxAssetsCurrent |
| 31 |
Inventories |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:Inventories |
| 32 |
Inventories related to real estate business |
Concept (Monetary) |
As Of |
Debit |
asx:InventoriesRelatedToRealEstateBusiness |
| 33 |
Other financial assets - current |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:OtherCurrentFinancialAssets |
| 34 |
Other current assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:OtherCurrentNonfinancialAssets |
| 35 |
Total current assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CurrentAssets |
| 36 |
NON-CURRENT ASSETS |
Abstract |
|
|
ifrs-full:NoncurrentAssetsAbstract |
| 37 |
Financial assets at fair value through profit or loss - non-current |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:NoncurrentFinancialAssetsAtFairValueThroughProfitOrLoss |
| 38 |
Financial assets at fair value through other comprehensive income - non-current |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:NoncurrentFinancialAssetsAtFairValueThroughOtherComprehensiveIncome |
| 39 |
Available-for-sale financial assets - non-current |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:NoncurrentFinancialAssetsAvailableforsale |
| 40 |
Investments accounted for using the equity method |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:InvestmentAccountedForUsingEquityMethod |
| 41 |
Property, plant and equipment |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:PropertyPlantAndEquipment |
| 42 |
Investment properties |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:InvestmentProperty |
| 43 |
Goodwill |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:Goodwill |
| 44 |
Other intangible assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:IntangibleAssetsOtherThanGoodwill |
| 45 |
Deferred tax assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:DeferredTaxAssets |
| 46 |
Other financial assets - non-current |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:OtherNoncurrentFinancialAssets |
| 47 |
Long-term prepayments for lease |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:NoncurrentLeasePrepayments |
| 48 |
Other non-current assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:OtherNoncurrentNonfinancialAssets |
| 49 |
Total non-current assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:NoncurrentAssets |
| 50 |
Total assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:Assets |
| 51 |
LIABILITIES AND EQUITY |
Abstract |
|
|
ifrs-full:EquityAndLiabilitiesAbstract |
| 52 |
CURRENT LIABILITIES |
Abstract |
|
|
ifrs-full:CurrentLiabilitiesAbstract |
| 53 |
Short-term borrowings |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:ShorttermBorrowings |
| 54 |
Financial liabilities at fair value through profit or loss - current |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:CurrentFinancialLiabilitiesAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading |
| 55 |
Financial liabilities for hedging - current |
Concept (Monetary) |
As Of |
Credit |
asx:CurrentFinancialLiabilitiesForHedging |
| 56 |
Trade payables |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:TradeAndOtherCurrentPayablesToTradeSuppliers |
| 57 |
Other payables |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:OtherCurrentPayables |
| 58 |
Current tax liabilities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:CurrentTaxLiabilitiesCurrent |
| 59 |
Current portion of bonds payable |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:CurrentBondsIssuedAndCurrentPortionOfNoncurrentBondsIssued |
| 60 |
Current portion of long-term borrowings |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:CurrentPortionOfLongtermBorrowings |
| 61 |
Other current liabilities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:OtherCurrentLiabilities |
| 62 |
Total current liabilities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:CurrentLiabilities |
| 63 |
NON-CURRENT LIABILITIES |
Abstract |
|
|
ifrs-full:NoncurrentLiabilitiesAbstract |
| 64 |
Bonds payable |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:NoncurrentPortionOfNoncurrentBondsIssued |
| 65 |
Long-term borrowings |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:LongtermBorrowings |
| 66 |
Deferred tax liabilities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:DeferredTaxLiabilities |
| 67 |
Net defined benefit liabilities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:NoncurrentRecognisedLiabilitiesDefinedBenefitPlan |
| 68 |
Other non-current liabilities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:OtherNoncurrentLiabilities |
| 69 |
Total non-current liabilities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:NoncurrentLiabilities |
| 70 |
Total liabilities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Liabilities |
| 71 |
EQUITY ATTRIBUTABLE TO OWNERS OF THE COMPANY |
Abstract |
|
|
ifrs-full:EquityAbstract |
| 72 |
Share capital |
Abstract |
|
|
asx:IssuedCapitalAbstract |
| 73 |
Ordinary shares |
Concept (Monetary) |
As Of |
Credit |
asx:OrdinaryShareCapitals |
| 74 |
Shares subscribed in advance |
Concept (Monetary) |
As Of |
Credit |
asx:ShareCapitalSubscribedInAdvance |
| 75 |
Total share capital |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:IssuedCapital |
| 76 |
Capital surplus |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:SharePremium |
| 77 |
Retained earnings |
Abstract |
|
|
asx:RetainedEarningsAbstract |
| 78 |
Legal reserve |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:StatutoryReserve |
| 79 |
Special reserve |
Concept (Monetary) |
As Of |
Credit |
asx:SpecialReserve |
| 80 |
Unappropriated earnings |
Concept (Monetary) |
As Of |
Credit |
asx:UnappropriatedEarnings |
| 81 |
Total retained earnings |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:RetainedEarnings |
| 82 |
Other equity |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:OtherEquityInterest |
| 83 |
Treasury shares |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:TreasuryShares |
| 84 |
Equity attributable to owners of the Company |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:EquityAttributableToOwnersOfParent |
| 85 |
NON-CONTROLLING INTERESTS |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:NoncontrollingInterests |
| 86 |
Total equity |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Equity |
| 87 |
TOTAL |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:EquityAndLiabilities |
| 88 |
1004 - Statement - Consolidated Statements of Comprehensive Income |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/StatementOfComprehensiveIncomeOCIComponentsPresentedNetOfTax-410000 |
| 89 |
Statement [table] |
Table |
* |
* |
asx:StatementTable |
| 90 |
Classes of ordinary shares [axis] |
Axis |
|
|
ifrs-full:ClassesOfOrdinarySharesAxis |
| 91 |
Ordinary shares [member] |
Member |
|
|
ifrs-full:OrdinarySharesMember |
| 92 |
American depositary shares [member] |
Member |
|
|
asx:AmericanDepositarySharesMember |
| 93 |
Statement [LineItems] |
LineItems |
|
|
asx:StatementLineItems |
| 94 |
OPERATING REVENUES |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:Revenue |
| 95 |
OPERATING COSTS |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:CostOfSales |
| 96 |
GROSS PROFIT |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:GrossProfit |
| 97 |
OPERATING EXPENSES |
Abstract |
|
|
asx:OperatingExpenses1Abstract |
| 98 |
Selling and marketing expenses |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:SalesAndMarketingExpense |
| 99 |
General and administrative expenses |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:SellingGeneralAndAdministrativeExpense |
| 100 |
Research and development expenses |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ResearchAndDevelopmentExpense |
| 101 |
Total operating expenses |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:OperatingExpenseExcludingCostOfSales |
| 102 |
OTHER OPERATING INCOME AND EXPENSES, NET |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:OtherOperatingIncomeExpense |
| 103 |
PROFIT FROM OPERATIONS |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLossFromOperatingActivities |
| 104 |
NON-OPERATING INCOME AND EXPENSES |
Abstract |
|
|
asx:NonOperatingIncomeAndExpensesAbstract |
| 105 |
Other income |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:FinanceIncome |
| 106 |
Other gains, net |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:OtherGainsLosses |
| 107 |
Finance costs |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:FinanceCosts |
| 108 |
Share of the profit of associates and joint ventures |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod |
| 109 |
Total non-operating income and expenses |
Concept (Monetary) |
For Period |
Credit |
asx:NonoperatingIncomeAndExpenses |
| 110 |
PROFIT BEFORE INCOME TAX |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLossBeforeTax |
| 111 |
INCOME TAX EXPENSE |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:IncomeTaxExpenseContinuingOperations |
| 112 |
PROFIT FOR THE YEAR |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLoss |
| 113 |
OTHER COMPREHENSIVE INCOME (LOSS) |
Abstract |
|
|
ifrs-full:OtherComprehensiveIncomeAbstract |
| 114 |
Items that will not be reclassified subsequently to profit or loss: |
Abstract |
|
|
ifrs-full:ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTaxAbstract |
| 115 |
Remeasurement of defined benefit obligation |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:OtherComprehensiveIncomeBeforeTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans |
| 116 |
Unrealized loss on equity investments at fair value through other comprehensive income |
Concept (Monetary) |
For Period |
Debit |
asx:UnrealizedLossOnEquityInvestmentsFairValueThroughOtherComprehensiveIncome |
| 117 |
Share of other comprehensive income (loss) of associates and joint ventures |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillNotBeReclassifiedToProfitOrLossBeforeTax |
| 118 |
Income tax relating to items that will not be reclassified subsequently |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLoss |
| 119 |
Items that will not be reclassified subsequently to profit or loss |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax |
| 120 |
Items that may be reclassified subsequently to profit or loss: |
Abstract |
|
|
ifrs-full:ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract |
| 121 |
Exchange differences on translating foreign operations |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:GainsLossesOnExchangeDifferencesOnTranslationNetOfTax |
| 122 |
Unrealized gain (loss) on available-for-sale financial assets |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:GainsLossesOnRemeasuringAvailableforsaleFinancialAssetsNetOfTax |
| 123 |
Unrealized loss on investments in debt instruments at fair value through other comprehensive income |
Concept (Monetary) |
For Period |
Debit |
asx:DebtInstrumentsAtFairValueThroughOtherComprehensiveIncome |
| 124 |
Share of other comprehensive income (loss) of associates and joint ventures |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillBeReclassifiedToProfitOrLossNetOfTax |
| 125 |
Items that may be reclassified subsequently to profit or loss |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax |
| 126 |
Other comprehensive loss for the year, net of income tax |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:OtherComprehensiveIncome |
| 127 |
TOTAL COMPREHENSIVE INCOME FOR THE YEAR |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ComprehensiveIncome |
| 128 |
PROFIT FOR THE YEAR ATTRIBUTABLE TO: |
Abstract |
|
|
ifrs-full:ProfitLossAttributableToAbstract |
| 129 |
Owners of the Company |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLossAttributableToOwnersOfParent |
| 130 |
Non-controlling interests |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLossAttributableToNoncontrollingInterests |
| 131 |
PROFIT FOR THE YEAR |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLoss |
| 132 |
TOTAL COMPREHENSIVE INCOME FOR THE YEAR ATTRIBUTABLE TO: |
Abstract |
|
|
ifrs-full:ComprehensiveIncomeAttributableToAbstract |
| 133 |
Owners of the Company |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ComprehensiveIncomeAttributableToOwnersOfParent |
| 134 |
Non-controlling interests |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ComprehensiveIncomeAttributableToNoncontrollingInterests |
| 135 |
TOTAL COMPREHENSIVE INCOME FOR THE YEAR |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ComprehensiveIncome |
| 136 |
EARNINGS PER SHARE |
Abstract |
|
|
ifrs-full:EarningsPerShareAbstract |
| 137 |
Basic |
Concept (Share) |
For Period |
|
ifrs-full:BasicEarningsLossPerShare |
| 138 |
Diluted |
Concept (Share) |
For Period |
|
ifrs-full:DilutedEarningsLossPerShare |
| 139 |
1005 - Statement - Consolidated Statements of Changes in Equity |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/StatementOfChangesInEquity-610000 |
| 140 |
Statement of changes in equity [table] |
Table |
* |
* |
ifrs-full:StatementOfChangesInEquityTable |
| 141 |
Components of equity [axis] |
Axis |
|
|
ifrs-full:ComponentsOfEquityAxis |
| 142 |
Equity [member] |
Member |
|
|
ifrs-full:EquityMember |
| 143 |
Share capital [member] |
Member |
|
|
ifrs-full:IssuedCapitalMember |
| 144 |
Capital surplus [member] |
Member |
|
|
ifrs-full:SharePremiumMember |
| 145 |
Legal reserve [member] |
Member |
|
|
ifrs-full:StatutoryReserveMember |
| 146 |
Special reserve [member] |
Member |
|
|
asx:SpecialReserveMember |
| 147 |
Unappropriated earnings [member] |
Member |
|
|
asx:UnappropriatedEarningsMember |
| 148 |
Retained earnings [member] |
Member |
|
|
ifrs-full:RetainedEarningsMember |
| 149 |
Exchange differences on translating foreign operations [member] |
Member |
|
|
ifrs-full:ReserveOfExchangeDifferencesOnTranslationMember |
| 150 |
Unrealized gain (loss) on available-for-sale financial assets [member] |
Member |
|
|
ifrs-full:ReserveOfGainsAndLossesOnRemeasuringAvailableforsaleFinancialAssetsMember |
| 151 |
Unrealized gain (loss) on financial assets at fair value through other comprehensive income [member] |
Member |
|
|
asx:UnrealizedGainLossOnFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeMember |
| 152 |
Other equity[member] |
Member |
|
|
ifrs-full:OtherReservesMember |
| 153 |
Treasury shares [member] |
Member |
|
|
ifrs-full:TreasurySharesMember |
| 154 |
Equity Attributable to Owners of the Company [member] |
Member |
|
|
ifrs-full:EquityAttributableToOwnersOfParentMember |
| 155 |
Non-controlling interests [member] |
Member |
|
|
ifrs-full:NoncontrollingInterestsMember |
| 156 |
Retrospective application and retrospective restatement [axis] |
Axis |
|
|
ifrs-full:RetrospectiveApplicationAndRetrospectiveRestatementAxis |
| 157 |
Currently stated [member] |
Member |
|
|
ifrs-full:RestatedMember |
| 158 |
Adjusted Balance [member] |
Member |
|
|
asx:AdjustedBalanceMember |
| 159 |
Statement of changes in equity [Line items] |
LineItems |
|
|
ifrs-full:StatementOfChangesInEquityLineItems |
| 160 |
Balance at January 1 |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Equity |
| 161 |
Effect of retrospective applications |
Concept (Monetary) |
For Period |
Credit |
asx:EffectOfRetrospectiveApplications |
| 162 |
Beginning balance, shares |
Concept (Shares) |
As Of |
|
ifrs-full:NumberOfSharesIssued |
| 163 |
Change from investments in associates and joint ventures accounted for using the equity method |
Concept (Monetary) |
For Period |
Credit |
asx:IncreaseDecreaseInCapitalSurplusFromInvestmentsInAssociatesAccountedForUsingTheEquityMethod |
| 164 |
Cash dividends paid from the capital surplus |
Concept (Monetary) |
For Period |
Credit |
asx:PaymentForCashDividendsCapitalSurplus |
| 165 |
Other changes in the capital surplus |
Concept (Monetary) |
For Period |
Credit |
asx:OtherChangesInCapitalSurplus |
| 166 |
Net profit for the year |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLoss |
| 167 |
Other comprehensive income (loss) for the year, net of income tax |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:OtherComprehensiveIncome |
| 168 |
Total comprehensive income (loss) |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ComprehensiveIncome |
| 169 |
Appropriation of earnings |
Abstract |
|
|
asx:AppropriationsOfPriorYearsEarningsAbstract |
| 170 |
Legal reserve |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:IncreaseDecreaseThroughTransferToStatutoryReserve |
| 171 |
Cash dividends distributed by the Company |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:DividendsRecognisedAsDistributionsToOwnersOfParent |
| 172 |
Appropriated retained earnings |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:IncreaseDecreaseThroughAppropriationOfRetainedEarnings |
| 173 |
Effect of the joint share exchange |
Concept (Monetary) |
For Period |
Credit |
asx:IncreaseDecreaseInJointShareExchange |
| 174 |
Effect of the joint share exchange, shares |
Concept (Shares) |
For Period |
|
asx:IncreaseDecreaseInJointShareExchangeShares |
| 175 |
Issue of ordinary shares for capital increase by cash |
Concept (Monetary) |
For Period |
Credit |
asx:IncreaseInIssuedCapital |
| 176 |
Buy-back of ordinary shares |
Concept (Monetary) |
For Period |
Credit |
asx:BuyBackOfOrdinaryShares |
| 177 |
Issue of ordinary shares for capital increase by cash, shares |
Concept (Shares) |
For Period |
|
asx:IncreaseInIssuedCapitalShares |
| 178 |
Cancellation of treasury shares |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:CancellationOfTreasuryShares |
| 179 |
Issue of ordinary shares under conversion of bonds |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:IncreaseDecreaseThroughConversionOfConvertibleInstruments |
| 180 |
Cancellation of treasury shares, shares |
Concept (Shares) |
For Period |
|
asx:CancellationOfTreasurySharesShares |
| 181 |
Issue of ordinary shares under conversion of bonds, shares |
Concept (Shares) |
For Period |
|
asx:IncreaseDecreaseThroughConversionOfConvertibleInstrumentsShares |
| 182 |
Issue of dividends received by subsidiaries from the Company |
Concept (Monetary) |
For Period |
Credit |
asx:IssueOfDividendsReceivedBySubsidiariesFromParent |
| 183 |
Partial disposal of interests in subsidiaries and additional acquisition of majority-owned subsidiaries |
Concept (Monetary) |
For Period |
Credit |
asx:IncreaseDecreaseThroughAcquisitionOrDisposalOfSubsidiaryEquity |
| 184 |
Disposal of interest in associates and joint ventures accounted for using the equity method |
Concept (Monetary) |
For Period |
Credit |
asx:DisposalOfInterestInAssociatesAndJointVenturesAccountedForUsingTheEquityMethod |
| 185 |
Differences between consideration and carrying amount arising from acquisition or disposal of subsidiaries |
Concept (Monetary) |
For Period |
Credit |
asx:CarryingAmountArisingFromAcquisitionOrDisposalOfSubsidiaries |
| 186 |
Changes in percentage of ownership interest in subsidiaries |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:IncreaseDecreaseThroughChangesInOwnershipInterestsInSubsidiariesThatDoNotResultInLossOfControl |
| 187 |
Issue of ordinary shares under employee share options |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:IncreaseDecreaseThroughExerciseOfOptions |
| 188 |
Issue of ordinary shares under employee share options, shares |
Concept (Decimal) |
For Period |
|
ifrs-full:NumberOfShareOptionsExercisedInSharebasedPaymentArrangement |
| 189 |
Non-controlling interests arising from acquisition of subsidiaries |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:IncreaseDecreaseThroughAcquisitionOfSubsidiary |
| 190 |
Cash dividends distributed by subsidiaries |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:DividendsRecognisedAsDistributionsToNoncontrollingInterests |
| 191 |
Additional non-controlling interest arising on issue of employee share options by subsidiaries |
Concept (Monetary) |
For Period |
Credit |
asx:IncreaseDecreaseInAdditionalNoncontrollingInterestsArisingFromOutstandingVestedShareOptionsHeldByTheEmployeesOfSubsidiaries |
| 192 |
Fair value through other comprehensive income - equity instruments |
Concept (Monetary) |
For Period |
Debit |
asx:FairValueThroughOtherComprehensiveIncomeEquityInstruments |
| 193 |
Balance at December 31 |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Equity |
| 194 |
Ending balance, shares |
Concept (Shares) |
As Of |
|
ifrs-full:NumberOfSharesIssued |
| 195 |
1006 - Statement - Consolidated Statements of Cash Flows |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/StatementOfCashFlowsIndirectMethod-520000 |
| 196 |
Implied Table |
Table |
* |
* |
implied:Table |
| 197 |
Statement of cash flows [abstract] |
Abstract |
|
|
ifrs-full:StatementOfCashFlowsAbstract |
| 198 |
CASH FLOWS FROM OPERATING ACTIVITIES |
Abstract |
|
|
ifrs-full:CashFlowsFromUsedInOperatingActivitiesAbstract |
| 199 |
Profit before income tax |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLossBeforeTax |
| 200 |
Adjustments for: |
Abstract |
|
|
ifrs-full:AdjustmentsForReconcileProfitLossAbstract |
| 201 |
Depreciation expense |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:DepreciationExpense |
| 202 |
Amortization expense |
Concept (Monetary) |
For Period |
|
ifrs-full:AmortisationIntangibleAssetsOtherThanGoodwill |
| 203 |
Net loss (gain) on fair value change of financial assets and liabilities at fair value through profit or loss |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdjustmentsForFairValueGainsLosses |
| 204 |
Finance costs |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdjustmentsForFinanceCosts |
| 205 |
Interest income |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:RevenueFromInterest |
| 206 |
Dividend income |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:RevenueFromDividends |
| 207 |
Compensation cost of employee share options |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ExpenseFromSharebasedPaymentTransactionsWithEmployees |
| 208 |
Share of loss (profit) of associates and joint ventures |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod |
| 209 |
Loss (gain) on disposal of property, plant and equipment |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:AdjustmentsForGainLossOnDisposalsPropertyPlantAndEquipment |
| 210 |
Impairment loss recognized on financial assets |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss |
| 211 |
Reversal of impairment loss recognized on financial assets |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ReversalOfImpairmentLossRecognisedInProfitOrLoss |
| 212 |
Impairment loss recognized on non- financial assets |
Concept (Monetary) |
For Period |
Debit |
asx:ImpairmentLossOnNonfinancialAssets |
| 213 |
Reversal of impairment loss recognized on non-financial assets |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss |
| 214 |
Gain on disposal of subsidiaries |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:AdjustmentsForGainLossOnDisposalOfInvestmentsInSubsidiariesJointVenturesAndAssociates |
| 215 |
Gain on remeasurement of investments accounted for using the equity method |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:AdjustmentsForUndistributedProfitsOfInvestmentsAccountedForUsingEquityMethod |
| 216 |
Net loss (gain) on foreign currency exchange |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdjustmentsForUnrealisedForeignExchangeLossesGains |
| 217 |
Others |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:OtherAdjustmentsForNoncashItems |
| 218 |
Financial assets held for trading |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdjustmentsForDecreaseIncreaseInFinancialAssetsHeldForTrading |
| 219 |
Financial assets mandatorily at fair value through profit or loss |
Concept (Monetary) |
For Period |
Debit |
asx:AdjustmentsForIncreaseDecreaseInOtherFinancialAssetsMandatorilyMeasuredAtFairValueThroughProfitAndLoss |
| 220 |
Contract assets |
Concept (Monetary) |
For Period |
Debit |
asx:AdjustmentsForDecreaseIncreaseInContractAssets |
| 221 |
Trade receivables |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdjustmentsForDecreaseIncreaseInTradeAccountReceivable |
| 222 |
Other receivables |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdjustmentsForDecreaseIncreaseInOtherOperatingReceivables |
| 223 |
Inventories |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdjustmentsForDecreaseIncreaseInInventories |
| 224 |
Other current assets |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdjustmentsForDecreaseIncreaseInOtherCurrentAssets |
| 225 |
Financial liabilities held for trading |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdjustmentsForIncreaseDecreaseInFinancialLiabilitiesHeldForTrading |
| 226 |
Trade payables |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdjustmentsForIncreaseDecreaseInTradeAccountPayable |
| 227 |
Other payables |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdjustmentsForIncreaseDecreaseInOtherOperatingPayables |
| 228 |
Other current liabilities |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdjustmentsForIncreaseDecreaseInOtherCurrentLiabilities |
| 229 |
Other operating activities items |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:OtherAdjustmentsToReconcileProfitLoss |
| 230 |
Cash generated from operations |
Concept (Monetary) |
For Period |
|
ifrs-full:CashFlowsFromUsedInOperations |
| 231 |
Interest received |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:InterestReceivedClassifiedAsOperatingActivities |
| 232 |
Dividend received |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:DividendsReceivedClassifiedAsOperatingActivities |
| 233 |
Interest paid |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:InterestPaidClassifiedAsOperatingActivities |
| 234 |
Income tax paid |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:IncomeTaxesPaidClassifiedAsOperatingActivities |
| 235 |
Net cash generated from operating activities |
Concept (Monetary) |
For Period |
|
ifrs-full:CashFlowsFromUsedInOperatingActivities |
| 236 |
CASH FLOWS FROM INVESTING ACTIVITIES |
Abstract |
|
|
ifrs-full:CashFlowsFromUsedInInvestingActivitiesAbstract |
| 237 |
Purchase of financial assets at fair value through other comprehensive income |
Concept (Monetary) |
For Period |
Credit |
asx:PurchaseOfFinancialAssetsAtFairValueOfOtherComprehensiveIncome |
| 238 |
Proceeds on sale of financial assets at fair value through other comprehensive income |
Concept (Monetary) |
For Period |
Debit |
asx:ProceedsOnSaleOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncome |
| 239 |
Return of capital from financial assets at fair value through other comprehensive income |
Concept (Monetary) |
For Period |
Debit |
asx:ProceedsFromSaleOfFinancialAssetsDesignatedAsFairValueThroughOtherComprehensiveIncome |
| 240 |
Purchase of financial assets designated as at fair value through profit or loss |
Concept (Monetary) |
For Period |
Credit |
asx:PurchaseOfFinancialAssetsDesignatedAsFairValueThroughProfitOrLoss |
| 241 |
Proceeds on sale of financial assets designated as at fair value through profit or loss |
Concept (Monetary) |
For Period |
Debit |
asx:ProceedsFromSaleOfFinancialAssetsDesignatedAsFairValueThroughPofitOrLoss |
| 242 |
Purchase of available-for-sale financial assets |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:PurchaseOfAvailableforsaleFinancialAssets |
| 243 |
Proceeds on sale of available-for-sale financial assets |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ProceedsFromDisposalOrMaturityOfAvailableforsaleFinancialAssets |
| 244 |
Cash received from return of capital by available-for-sale financial assets |
Concept (Monetary) |
For Period |
Debit |
asx:ProceedsFromCashReceivedFromReturnOfCapitalByAvailableforsaleFinancialAssets |
| 245 |
Acquisition of associates and joint ventures |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:PurchaseOfInterestsInInvestmentsAccountedForUsingEquityMethod |
| 246 |
Net cash outflow on acquisition of subsidiaries |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities |
| 247 |
Cash received from return of capital by investee accounted for using the equity method |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ProceedsFromSalesOfInvestmentsAccountedForUsingEquityMethod |
| 248 |
Net cash inflow from disposal of subsidiaries |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ProceedsFromDisposalOfNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleAndDiscontinuedOperations |
| 249 |
Payments for property, plant and equipment |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities |
| 250 |
Proceeds from disposal of property, plant and equipment |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ProceedsFromSalesOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities |
| 251 |
Payments for intangible assets |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities |
| 252 |
Proceeds from disposal of intangible assets |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ProceedsFromSalesOfIntangibleAssetsClassifiedAsInvestingActivities |
| 253 |
Payments for investment properties |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:PurchaseOfInvestmentProperty |
| 254 |
Decrease (increase) in other financial assets |
Concept (Monetary) |
For Period |
Debit |
asx:ProceedsFromPaymentsForOtherFinancialAssets |
| 255 |
Increase in other non-current assets |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:OtherInflowsOutflowsOfCashClassifiedAsInvestingActivities |
| 256 |
Proceeds from financial liabilities for hedging |
Concept (Monetary) |
For Period |
Debit |
asx:ProceedsFromPaymentsOnSettlementOfDerivativeInstruments |
| 257 |
Net cash used in investing activities |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:CashFlowsFromUsedInInvestingActivities |
| 258 |
CASH FLOWS FROM FINANCING ACTIVITIES |
Abstract |
|
|
ifrs-full:CashFlowsFromUsedInFinancingActivitiesAbstract |
| 259 |
Net proceeds from (repayment of) short-term borrowings borrowings |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:RepaymentsOfCurrentBorrowings |
| 260 |
Net repayment of short-term bills payable |
Concept (Monetary) |
For Period |
Debit |
asx:ProceedsFromRepaymentOfShortTermBillsPayable |
| 261 |
Proceeds from issue of bonds |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ProceedsFromIssueOfBondsNotesAndDebentures |
| 262 |
Repayment of bonds payable |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:RepaymentsOfBondsNotesAndDebentures |
| 263 |
Proceeds from long-term borrowings |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ProceedsFromNoncurrentBorrowings |
| 264 |
Repayment of long-term borrowings |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:RepaymentsOfNoncurrentBorrowings |
| 265 |
Dividends paid |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:DividendsPaidToEquityHoldersOfParentClassifiedAsFinancingActivities |
| 266 |
Proceeds from issue of ordinary shares |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ProceedsFromIssueOfOrdinaryShares |
| 267 |
Proceeds from exercise of employee share options |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ProceedsFromExerciseOfOptions |
| 268 |
Payments for buy-back of ordinary shares |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:PaymentsToAcquireOrRedeemEntitysShares |
| 269 |
Proceeds from disposal of interests in subsidiaries |
Concept (Monetary) |
For Period |
Debit |
asx:ProceedsFromDisposalOfSubsidiaryAndInterestInAssociate |
| 270 |
Decrease in non-controlling interests |
Concept (Monetary) |
For Period |
Credit |
asx:IncreaseDecreaseInNoncontrollingInterests |
| 271 |
Other financing activities items |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:OtherInflowsOutflowsOfCashClassifiedAsFinancingActivities |
| 272 |
Net cash generated from (used in) financing activities |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:CashFlowsFromUsedInFinancingActivities |
| 273 |
EFFECTS OF EXCHANGE RATE CHANGES ON THE BALANCE OF CASH AND CASH EQUIVALENTS HELD IN FOREIGN CURRENCY |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:EffectOfExchangeRateChangesOnCashAndCashEquivalents |
| 274 |
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:IncreaseDecreaseInCashAndCashEquivalents |
| 275 |
CASH AND CASH EQUIVALENTS AT THE BEGINNING OF THE YEAR |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CashAndCashEquivalents |
| 276 |
CASH AND CASH EQUIVALENTS AT THE END OF THE YEAR |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CashAndCashEquivalents |
| 277 |
1007 - Disclosure - General Information |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfGeneralInformationAboutFinancialStatementsExplanatory |
| 278 |
Implied Table |
Table |
* |
* |
implied:Table |
| 279 |
Text block [abstract] |
Abstract |
|
|
asx:TextBlockAbstract |
| 280 |
General Information |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfGeneralInformationAboutFinancialStatementsExplanatory |
| 281 |
1008 - Disclosure - Approval of Financial Statements |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfAuthorisationOfFinancialStatementsExplanatory |
| 282 |
Implied Table |
Table |
* |
* |
implied:Table |
| 283 |
Text block [abstract] |
Abstract |
|
|
asx:TextBlockAbstract |
| 284 |
Approval of Financial Statements |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfAuthorisationOfFinancialStatementsExplanatory |
| 285 |
1009 - Disclosure - Application of New and Revised International Financial Reporting Standards as Issued by the International Accounting Standards Board ("IASB") ( Collectively, "IFRSs") |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDescriptionOfExpectedImpactOfInitialApplicationOfNewStandardsOrInterpretations |
| 286 |
Implied Table |
Table |
* |
* |
implied:Table |
| 287 |
Text block [abstract] |
Abstract |
|
|
asx:TextBlockAbstract |
| 288 |
Application of New and Revised International Financial Reporting Standards as Issued by the International Accounting Standards Board ("IASB") ( Collectively, "IFRSs") |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfExpectedImpactOfInitialApplicationOfNewStandardsOrInterpretations |
| 289 |
1010 - Disclosure - Summary of Significant Accounting Policies |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfSummaryOfSignificantAccountingPoliciesExplanatory |
| 290 |
Implied Table |
Table |
* |
* |
implied:Table |
| 291 |
Text block [abstract] |
Abstract |
|
|
asx:TextBlockAbstract |
| 292 |
Summary of Significant Accounting Policies |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfSummaryOfSignificantAccountingPoliciesExplanatory |
| 293 |
1011 - Disclosure - Critical Accounting Judgments and Key Sources of Estimation Uncertainty |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfAccountingJudgementsAndEstimatesExplanatory |
| 294 |
Implied Table |
Table |
* |
* |
implied:Table |
| 295 |
Text block [abstract] |
Abstract |
|
|
asx:TextBlockAbstract |
| 296 |
Critical Accounting Judgments and Key Sources of Estimation Uncertainty |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfAccountingJudgementsAndEstimatesExplanatory |
| 297 |
1012 - Disclosure - Cash and Cash Equivalents |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfCashAndCashEquivalentsExplanatory |
| 298 |
Implied Table |
Table |
* |
* |
implied:Table |
| 299 |
Text block [abstract] |
Abstract |
|
|
asx:TextBlockAbstract |
| 300 |
Cash and Cash Equivalents |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfCashAndCashEquivalentsExplanatory |
| 301 |
1013 - Disclosure - Financial Instruments at Fair Value Through Profit or Loss |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfFinancialInstrumentsAtFairValueThroughProfitOrLossExplanatory |
| 302 |
Implied Table |
Table |
* |
* |
implied:Table |
| 303 |
Text block [abstract] |
Abstract |
|
|
asx:TextBlockAbstract |
| 304 |
Financial Instruments at Fair Value Through Profit or Loss |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfFinancialInstrumentsAtFairValueThroughProfitOrLossExplanatory |
| 305 |
1014 - Disclosure - Financial Assets at Fair Value Through Other Comprehensive Income - 2018 |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeExplanatory |
| 306 |
Implied Table |
Table |
* |
* |
implied:Table |
| 307 |
Text block [abstract] |
Abstract |
|
|
asx:TextBlockAbstract |
| 308 |
Financial Assets at Fair Value Through Other Comprehensive Income - 2018 |
Concept (Text Block (HTML)) |
For Period |
|
asx:DisclosureOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeExplanatory |
| 309 |
1015 - Disclosure - Credit Risk Management for Investments in Debt Instruments - 2018 |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsCreditRiskManagementInvestmentsInDebtInstrumentsExplanatory |
| 310 |
Implied Table |
Table |
* |
* |
implied:Table |
| 311 |
Text block [abstract] |
Abstract |
|
|
asx:TextBlockAbstract |
| 312 |
Credit Risk Management for Investments in Debt Instruments - 2018 |
Concept (Text Block (HTML)) |
For Period |
|
asx:CreditRiskManagementInvestmentsInDebtInstrumentsExplanatory |
| 313 |
1016 - Disclosure - Available-for-sale Financial Assets - 2017 |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfAvailableforsaleAssetsExplanatory |
| 314 |
Implied Table |
Table |
* |
* |
implied:Table |
| 315 |
Text block [abstract] |
Abstract |
|
|
asx:TextBlockAbstract |
| 316 |
Available-for-sale Financial Assets - 2017 |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfAvailableforsaleAssetsExplanatory |
| 317 |
1017 - Disclosure - Trade Receivables, Net |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfTradeAndOtherReceivablesExplanatory |
| 318 |
Implied Table |
Table |
* |
* |
implied:Table |
| 319 |
Text block [abstract] |
Abstract |
|
|
asx:TextBlockAbstract |
| 320 |
Trade Receivables, Net |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfTradeAndOtherReceivablesExplanatory |
| 321 |
1018 - Disclosure - Inventories |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfInventoriesExplanatory |
| 322 |
Implied Table |
Table |
* |
* |
implied:Table |
| 323 |
Text block [abstract] |
Abstract |
|
|
asx:TextBlockAbstract |
| 324 |
Inventories |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfInventoriesExplanatory |
| 325 |
1019 - Disclosure - Inventories Related to Real Estate Business |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfInventoriesRelatedToRealEstateBusinessExplanatory |
| 326 |
Implied Table |
Table |
* |
* |
implied:Table |
| 327 |
Text block [abstract] |
Abstract |
|
|
asx:TextBlockAbstract |
| 328 |
Inventories Related to Real Estate Business |
Concept (Text Block (HTML)) |
For Period |
|
asx:DisclosureOfInventoriesRelatedToRealEstateBusinessExplanatory |
| 329 |
1020 - Disclosure - Other Financial Assets |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfOtherFinancialAssetsExplanatory |
| 330 |
Implied Table |
Table |
* |
* |
implied:Table |
| 331 |
Text block [abstract] |
Abstract |
|
|
asx:TextBlockAbstract |
| 332 |
Other Financial Assets |
Concept (Text Block (HTML)) |
For Period |
|
asx:DisclosureOfOtherFinancialAssetsExplanatory |
| 333 |
1021 - Disclosure - Investments Accounted for Using the Equity Method |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfInvestmentsAccountedForUsingEquityMethodExplanatory |
| 334 |
Implied Table |
Table |
* |
* |
implied:Table |
| 335 |
Text block [abstract] |
Abstract |
|
|
asx:TextBlockAbstract |
| 336 |
Investments Accounted for Using the Equity Method |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfInvestmentsAccountedForUsingEquityMethodExplanatory |
| 337 |
1022 - Disclosure - Property, Plant and Equipment |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfPropertyPlantAndEquipmentExplanatory |
| 338 |
Implied Table |
Table |
* |
* |
implied:Table |
| 339 |
Text block [abstract] |
Abstract |
|
|
asx:TextBlockAbstract |
| 340 |
Property, Plant and Equipment |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfPropertyPlantAndEquipmentExplanatory |
| 341 |
1023 - Disclosure - Investment Properties |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfInvestmentPropertyExplanatory |
| 342 |
Implied Table |
Table |
* |
* |
implied:Table |
| 343 |
Text block [abstract] |
Abstract |
|
|
asx:TextBlockAbstract |
| 344 |
Investment Properties |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfInvestmentPropertyExplanatory |
| 345 |
1024 - Disclosure - Goodwill |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfGoodwillExplanatory |
| 346 |
Implied Table |
Table |
* |
* |
implied:Table |
| 347 |
Text block [abstract] |
Abstract |
|
|
asx:TextBlockAbstract |
| 348 |
Goodwill |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfGoodwillExplanatory |
| 349 |
1025 - Disclosure - Other Intangible Assets |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfIntangibleAssetsExplanatory |
| 350 |
Implied Table |
Table |
* |
* |
implied:Table |
| 351 |
Text block [abstract] |
Abstract |
|
|
asx:TextBlockAbstract |
| 352 |
Other Intangible Assets |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfIntangibleAssetsExplanatory |
| 353 |
1026 - Disclosure - Long-term Prepayments for Lease |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfLeasePrepaymentsExplanatory |
| 354 |
Implied Table |
Table |
* |
* |
implied:Table |
| 355 |
Text block [abstract] |
Abstract |
|
|
asx:TextBlockAbstract |
| 356 |
Long-term Prepayments for Lease |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfLeasePrepaymentsExplanatory |
| 357 |
1027 - Disclosure - Borrowings |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfBorrowingsExplanatory |
| 358 |
Implied Table |
Table |
* |
* |
implied:Table |
| 359 |
Text block [abstract] |
Abstract |
|
|
asx:TextBlockAbstract |
| 360 |
Borrowings |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfBorrowingsExplanatory |
| 361 |
1028 - Disclosure - Bonds Payable |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfDebtSecuritiesExplanatory |
| 362 |
Implied Table |
Table |
* |
* |
implied:Table |
| 363 |
Text block [abstract] |
Abstract |
|
|
asx:TextBlockAbstract |
| 364 |
Bonds Payable |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfDebtSecuritiesExplanatory |
| 365 |
1029 - Disclosure - Other Payables |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfOtherPayablesExplanatory |
| 366 |
Implied Table |
Table |
* |
* |
implied:Table |
| 367 |
Text block [abstract] |
Abstract |
|
|
asx:TextBlockAbstract |
| 368 |
Other Payables |
Concept (Text Block (HTML)) |
For Period |
|
asx:DisclosureOfOtherPayablesExplanatory |
| 369 |
1030 - Disclosure - Retirement Benefit Plans |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfDefinedBenefitPlansExplanatory |
| 370 |
Implied Table |
Table |
* |
* |
implied:Table |
| 371 |
Text block [abstract] |
Abstract |
|
|
asx:TextBlockAbstract |
| 372 |
Retirement Benefit Plans |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfDefinedBenefitPlansExplanatory |
| 373 |
1031 - Disclosure - Equity |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory |
| 374 |
Implied Table |
Table |
* |
* |
implied:Table |
| 375 |
Text block [abstract] |
Abstract |
|
|
asx:TextBlockAbstract |
| 376 |
Equity |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory |
| 377 |
1032 - Disclosure - Profit Before Income Tax |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfOperatingExpensesAndNonoperatingIncomeAndExpensesExplanatory |
| 378 |
Implied Table |
Table |
* |
* |
implied:Table |
| 379 |
Text block [abstract] |
Abstract |
|
|
asx:TextBlockAbstract |
| 380 |
Profit Before Income Tax |
Concept (Text Block (HTML)) |
For Period |
|
asx:DisclosureOfOperatingExpensesAndNonoperatingIncomeAndExpensesExplanatory |
| 381 |
1033 - Disclosure - Income Tax |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfIncomeTaxExplanatory |
| 382 |
Implied Table |
Table |
* |
* |
implied:Table |
| 383 |
Text block [abstract] |
Abstract |
|
|
asx:TextBlockAbstract |
| 384 |
Income Tax |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfIncomeTaxExplanatory |
| 385 |
1034 - Disclosure - Earnings Per Share |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfEarningsPerShareExplanatory |
| 386 |
Implied Table |
Table |
* |
* |
implied:Table |
| 387 |
Text block [abstract] |
Abstract |
|
|
asx:TextBlockAbstract |
| 388 |
Earnings Per Share |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfEarningsPerShareExplanatory |
| 389 |
1035 - Disclosure - Share-based Payment Arrangements |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfSharebasedPaymentArrangementsExplanatory |
| 390 |
Implied Table |
Table |
* |
* |
implied:Table |
| 391 |
Text block [abstract] |
Abstract |
|
|
asx:TextBlockAbstract |
| 392 |
Share-based Payment Arrangements |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfSharebasedPaymentArrangementsExplanatory |
| 393 |
1036 - Disclosure - Business Combinations |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfBusinessCombinationsExplanatory |
| 394 |
Implied Table |
Table |
* |
* |
implied:Table |
| 395 |
Text block [abstract] |
Abstract |
|
|
asx:TextBlockAbstract |
| 396 |
Business Combinations |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfBusinessCombinationsExplanatory |
| 397 |
1037 - Disclosure - Disposal of Subsidiaries |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfDisposalOfSubsidiariesExplanatory |
| 398 |
Implied Table |
Table |
* |
* |
implied:Table |
| 399 |
Text block [abstract] |
Abstract |
|
|
asx:TextBlockAbstract |
| 400 |
Disposal of Subsidiaries |
Concept (Text Block (HTML)) |
For Period |
|
asx:DisclosureOfDisposalOfSubsidiariesExplanatory |
| 401 |
1038 - Disclosure - Equity Transaction with Non-controlling Interests |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsEquityTransactionsWithNoncontrollingInterestsExplanatory |
| 402 |
Implied Table |
Table |
* |
* |
implied:Table |
| 403 |
Text block [abstract] |
Abstract |
|
|
asx:TextBlockAbstract |
| 404 |
Equity Transaction with Non-controlling Interests |
Concept (Text Block (HTML)) |
For Period |
|
asx:EquityTransactionsWithNoncontrollingInterestsExplanatory |
| 405 |
1039 - Disclosure - Cash Flows Information |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfCashFlowStatementExplanatory |
| 406 |
Implied Table |
Table |
* |
* |
implied:Table |
| 407 |
Text block [abstract] |
Abstract |
|
|
asx:TextBlockAbstract |
| 408 |
Cash Flows Information |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfCashFlowStatementExplanatory |
| 409 |
1040 - Disclosure - Operating Lease Arrangements |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfOperatingLeasesExplanatory |
| 410 |
Implied Table |
Table |
* |
* |
implied:Table |
| 411 |
Text block [abstract] |
Abstract |
|
|
asx:TextBlockAbstract |
| 412 |
Operating Lease Arrangements |
Concept (Text Block (HTML)) |
For Period |
|
asx:DisclosureOfOperatingLeasesExplanatory |
| 413 |
1041 - Disclosure - Capital Management |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalExplanatory |
| 414 |
Implied Table |
Table |
* |
* |
implied:Table |
| 415 |
Text block [abstract] |
Abstract |
|
|
asx:TextBlockAbstract |
| 416 |
Capital Management |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalExplanatory |
| 417 |
1042 - Disclosure - Financial Instruments |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfFinancialInstrumentsExplanatory |
| 418 |
Implied Table |
Table |
* |
* |
implied:Table |
| 419 |
Text block [abstract] |
Abstract |
|
|
asx:TextBlockAbstract |
| 420 |
Financial Instruments |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfFinancialInstrumentsExplanatory |
| 421 |
1043 - Disclosure - Related Party Transactions |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfRelatedPartyExplanatory |
| 422 |
Implied Table |
Table |
* |
* |
implied:Table |
| 423 |
Text block [abstract] |
Abstract |
|
|
asx:TextBlockAbstract |
| 424 |
Related Party Transactions |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfRelatedPartyExplanatory |
| 425 |
1044 - Disclosure - Assets Pledged as Collateral or for Security |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfCollateralExplanatory |
| 426 |
Implied Table |
Table |
* |
* |
implied:Table |
| 427 |
Text block [abstract] |
Abstract |
|
|
asx:TextBlockAbstract |
| 428 |
Assets Pledged as Collateral or for Security |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfCollateralExplanatory |
| 429 |
1045 - Disclosure - Significant Contingent Liabilities and Unrecognized Commitments |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfCommitmentsAndContingentLiabilitiesExplanatory |
| 430 |
Implied Table |
Table |
* |
* |
implied:Table |
| 431 |
Text block [abstract] |
Abstract |
|
|
asx:TextBlockAbstract |
| 432 |
Significant Contingent Liabilities and Unrecognized Commitments |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfCommitmentsAndContingentLiabilitiesExplanatory |
| 433 |
1046 - Disclosure - Significant Subsequent Events |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfEventsAfterReportingPeriodExplanatory |
| 434 |
Implied Table |
Table |
* |
* |
implied:Table |
| 435 |
Text block [abstract] |
Abstract |
|
|
asx:TextBlockAbstract |
| 436 |
Significant Subsequent Events |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfEventsAfterReportingPeriodExplanatory |
| 437 |
1047 - Disclosure - Significant Assets and Liabilities Denominated in Foreign Currencies |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfForeignCurrencyDenominatedMonetaryFinancialAssetsAndLiabilitiesExplanatory |
| 438 |
Implied Table |
Table |
* |
* |
implied:Table |
| 439 |
Text block [abstract] |
Abstract |
|
|
asx:TextBlockAbstract |
| 440 |
Significant Assets and Liabilities Denominated in Foreign Currencies |
Concept (Text Block (HTML)) |
For Period |
|
asx:DisclosureOfForeignCurrencyDenominatedMonetaryFinancialAssetsAndLiabilitiesExplanatory |
| 441 |
1048 - Disclosure - Others |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfOtherInformationExplanatory |
| 442 |
Implied Table |
Table |
* |
* |
implied:Table |
| 443 |
Text block [abstract] |
Abstract |
|
|
asx:TextBlockAbstract |
| 444 |
Others |
Concept (Text Block (HTML)) |
For Period |
|
asx:DisclosureOfOtherInformationExplanatory |
| 445 |
1049 - Disclosure - Operating Segments Information |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfEntitysReportableSegmentsExplanatory |
| 446 |
Implied Table |
Table |
* |
* |
implied:Table |
| 447 |
Text block [abstract] |
Abstract |
|
|
asx:TextBlockAbstract |
| 448 |
Operating Segments Information |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfEntitysReportableSegmentsExplanatory |
| 449 |
1050 - Disclosure - Summary of Significant Accounting Policies (Policies) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfSummaryOfSignificantAccountingPoliciesExplanatoryPolicies |
| 450 |
Implied Table |
Table |
* |
* |
implied:Table |
| 451 |
Text block [abstract] |
Abstract |
|
|
asx:TextBlockAbstract |
| 452 |
Statement of Compliance |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:StatementOfIFRSCompliance |
| 453 |
Basis of Preparation |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory |
| 454 |
Classification of Current and Non-current Assets and Liabilities |
Concept (Text Block (HTML)) |
For Period |
|
asx:DescriptionOfAccountingPolicyForClassificationOfCurrentAndNoncurrentAssetsAndLiabilitiesExplanatory |
| 455 |
Basis of Consolidation |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfBasisOfConsolidationExplanatory |
| 456 |
Business Combinations |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForBusinessCombinationsExplanatory |
| 457 |
Foreign Currencies |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory |
| 458 |
Inventories and Inventories Related to Real Estate Business |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForMeasuringInventories |
| 459 |
Investments in associates and joint ventures |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForInvestmentInAssociatesAndJointVenturesExplanatory |
| 460 |
Property, Plant and Equipment |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory |
| 461 |
Investment Properties |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForInvestmentPropertyExplanatory |
| 462 |
Goodwill |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForGoodwillExplanatory |
| 463 |
Other Intangible Assets |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForIntangibleAssetsOtherThanGoodwillExplanatory |
| 464 |
Impairment of Tangible and Intangible Assets Other than Goodwill |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForImpairmentOfAssetsExplanatory |
| 465 |
Financial Instruments |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForFinancialInstrumentsExplanatory |
| 466 |
Hedge Accounting |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForHedgingExplanatory |
| 467 |
Revenue Recognition |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForRecognitionOfRevenue |
| 468 |
Leasing |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForLeasesExplanatory |
| 469 |
Borrowing Costs |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForBorrowingCostsExplanatory |
| 470 |
Government grants |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForGovernmentGrants |
| 471 |
Employee Benefits |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForEmployeeBenefitsExplanatory |
| 472 |
Employee share options |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory |
| 473 |
Taxation |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForIncomeTaxExplanatory |
| 474 |
U.S. Dollar Amounts |
Concept (Text Block (HTML)) |
For Period |
|
asx:DisclosureOfConvenienceTranslationCurrencyExplanatory |
| 475 |
1051 - Disclosure - Application of New and Revised International Financial Reporting Standards as Issued by the International Accounting Standards Board ("IASB") ( Collectively, "IFRSs") (Tables) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDescriptionOfExpectedImpactOfInitialApplicationOfNewStandardsOrInterpretationsTables |
| 476 |
Statement [table] |
Table |
* |
* |
asx:StatementTable |
| 477 |
New IFRSs [axis] |
Axis |
|
|
ifrs-full:NewIFRSsAxis |
| 478 |
New IFRSs [member] |
Member |
|
|
ifrs-full:NewIFRSsMember |
| 479 |
IFRS 9 [member] |
Member |
|
|
ifrs-full:InAccordanceWithIFRS9Member |
| 480 |
IFRS 16 [member] |
Member |
|
|
asx:IFRS16Member |
| 481 |
Adoption of IFRS 15 [member] |
Member |
|
|
asx:IFRS15Member |
| 482 |
Statement [LineItems] |
LineItems |
|
|
asx:StatementLineItems |
| 483 |
Summary of Financial Assets and Liabilities |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfFinancialAssetsAtDateOfInitialApplicationOfIFRS9Explanatory |
| 484 |
Summary of Impact on Assets, Liabilities and Equity by Applying IFRS 15 |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfInitialApplicationOfStandardsOrInterpretations |
| 485 |
Summary of Anticipated Impact on Assets, Liabilities and Equity |
Concept (Text Block (HTML)) |
For Period |
|
asx:DisclosureOfImpactOfIfrs16ApplicationOnConsolidatedStatementsOfFinancialPositionExplanatory |
| 486 |
1052 - Disclosure - Summary of Significant Accounting Policies (Tables) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfSummaryOfSignificantAccountingPoliciesExplanatoryTables |
| 487 |
Implied Table |
Table |
* |
* |
implied:Table |
| 488 |
Text block [abstract] |
Abstract |
|
|
asx:TextBlockAbstract |
| 489 |
Summary of Subsidiaries |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesExplanatory |
| 490 |
1053 - Disclosure - Cash and Cash Equivalents (Tables) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfCashAndCashEquivalentsExplanatoryTables |
| 491 |
Implied Table |
Table |
* |
* |
implied:Table |
| 492 |
Text block [abstract] |
Abstract |
|
|
asx:TextBlockAbstract |
| 493 |
Summary of Cash and Cash Equivalents |
Concept (Text Block (HTML)) |
For Period |
|
asx:DisclosureOfDetailedInformationAboutCashAndCashEquivalentsExplanatory |
| 494 |
1054 - Disclosure - Financial Instruments at Fair Value Through Profit or Loss (Tables) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfFinancialInstrumentsAtFairValueThroughProfitOrLossExplanatoryTables |
| 495 |
Implied Table |
Table |
* |
* |
implied:Table |
| 496 |
Text block [abstract] |
Abstract |
|
|
asx:TextBlockAbstract |
| 497 |
Summary of Financial Instruments at Fair Value Through Profit or Loss |
Concept (Text Block (HTML)) |
For Period |
|
asx:DisclosureOfDetailedInformationAboutFinancialInstrumentsAtFairValueThroughProfitOrLossExplanatory |
| 498 |
Summary of Outstanding Contracts Not Accounted for Hedge Accounting |
Concept (Text Block (HTML)) |
For Period |
|
asx:DerivativeOutstandingContractsNotAccountedForHedgeAccountingExplanatory |
| 499 |
1055 - Disclosure - Financial Assets at Fair Value Through Other Comprehensive Income - 2018 (Tables) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeExplanatoryTables |
| 500 |
Implied Table |
Table |
* |
* |
implied:Table |
| 501 |
Text block [abstract] |
Abstract |
|
|
asx:TextBlockAbstract |
| 502 |
Summary of Financial Assets at Fair Value Through Other Comprehensive Income |
Concept (Text Block (HTML)) |
For Period |
|
asx:DisclosureOfDetailedInformationAboutFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeExplanatory |
| 503 |
Summary of Investments in Equity Instruments at Fair Value Through Other Comprehensive Income |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfFairValueOfEachInvestmentInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeExplanatory |
| 504 |
Summary of Investments in Debt Instruments at Fair Value Through Other Comprehensive Income |
Concept (Text Block (HTML)) |
For Period |
|
asx:DisclosureOfFairValueOfInvestmentsInDebtInstrumentsDesignatedAtFairValueThroughOtherComprehensiveIncomeExplanatory |
| 505 |
1056 - Disclosure - Available-for-sale Financial Assets - 2017 (Tables) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfAvailableforsaleAssetsExplanatoryTables |
| 506 |
Implied Table |
Table |
* |
* |
implied:Table |
| 507 |
Text block [abstract] |
Abstract |
|
|
asx:TextBlockAbstract |
| 508 |
Summary of Available-for-sale Financial Assets |
Concept (Text Block (HTML)) |
For Period |
|
asx:DisclosureOfDetailedInformationAboutAvailableforsaleFinancialAssetsExplanatory |
| 509 |
1057 - Disclosure - Trade Receivables, Net (Tables) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfTradeAndOtherReceivablesExplanatoryTables |
| 510 |
Statement [table] |
Table |
* |
* |
asx:StatementTable |
| 511 |
Classes of financial assets [axis] |
Axis |
|
|
ifrs-full:ClassesOfFinancialAssetsAxis |
| 512 |
Financial assets, class [member] |
Member |
|
|
ifrs-full:FinancialAssetsMember |
| 513 |
Trade receivables [member] |
Member |
|
|
ifrs-full:TradeReceivablesMember |
| 514 |
Statement [LineItems] |
LineItems |
|
|
asx:StatementLineItems |
| 515 |
Summary of Trade Receivables, Net |
Concept (Text Block (HTML)) |
For Period |
|
asx:DisclosureOfDetailedInformationAboutTradeAndOtherReceivablesExplanatory |
| 516 |
Summary of Loss Allowance of Trade Receivables Based on Group's Provision Matrix |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfProvisionMatrixExplanatory |
| 517 |
Summary of Movements of Loss Allowance of Trade Receivables |
Concept (Text Block (HTML)) |
For Period |
|
asx:DisclosureOfMovementsOfLossAllowanceOfTradeReceivablesExplanatory |
| 518 |
Summary of Aging of Receivables Based on Past Due Date |
Concept (Text Block (HTML)) |
For Period |
|
asx:DisclosureOfAgingAnalysisOfTradeReceivableExplanatory |
| 519 |
Summary of Aging of Receivables Past Due but Not Impaired |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:AnalysisOfAgeOfFinancialAssetsThatArePastDueButNotImpaired |
| 520 |
Summary of Movement of Allowance for Doubtful Trade Receivables |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfAllowanceForCreditLossesExplanatory |
| 521 |
1058 - Disclosure - Inventories (Tables) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfInventoriesExplanatoryTables |
| 522 |
Implied Table |
Table |
* |
* |
implied:Table |
| 523 |
Text block [abstract] |
Abstract |
|
|
asx:TextBlockAbstract |
| 524 |
Summary of Inventories |
Concept (Text Block (HTML)) |
For Period |
|
asx:DisclosureOfDetailedInformationAboutInventoriesExplanatory |
| 525 |
1059 - Disclosure - Inventories Related to Real Estate Business (Tables) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfInventoriesRelatedToRealEstateBusinessExplanatoryTables |
| 526 |
Implied Table |
Table |
* |
* |
implied:Table |
| 527 |
Text block [abstract] |
Abstract |
|
|
asx:TextBlockAbstract |
| 528 |
Summary of Inventories Related to Real Estate Business |
Concept (Text Block (HTML)) |
For Period |
|
asx:DisclosureOfDetailedInformationAboutInventoriesRelatedToRealEstateBusinessExplanatory |
| 529 |
1060 - Disclosure - Other Financial Assets (Tables) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfOtherFinancialAssetsExplanatoryTables |
| 530 |
Implied Table |
Table |
* |
* |
implied:Table |
| 531 |
Text block [abstract] |
Abstract |
|
|
asx:TextBlockAbstract |
| 532 |
Summary of Other Financial Assets |
Concept (Text Block (HTML)) |
For Period |
|
asx:DisclosureOfDetailedInformationAboutOtherFinancialAssetsExplanatory |
| 533 |
1061 - Disclosure - Investments Accounted for Using the Equity Method (Tables) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfInvestmentsAccountedForUsingEquityMethodExplanatoryTables |
| 534 |
Implied Table |
Table |
* |
* |
implied:Table |
| 535 |
Text block [abstract] |
Abstract |
|
|
asx:TextBlockAbstract |
| 536 |
Summary of Investments Accounted for Using the Equity Method |
Concept (Text Block (HTML)) |
For Period |
|
asx:DisclosureOfDetailedInformationAboutInvestmentsAccountedForUsingEquityMethodExplanatory |
| 537 |
Summary of Investments in Associates Accounted for using the Equity Method |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfInterestsInAssociatesExplanatory |
| 538 |
Summary of Fair Values of Investments in Associates with Available Published Price Quotation |
Concept (Text Block (HTML)) |
For Period |
|
asx:DisclosureOfFairValueOfInvestmentsInAssociatesWithAvailablePublishedPriceQuotationExplanatory |
| 539 |
Summarized Financial Information |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfReconciliationOfSummarisedFinancialInformationOfAssociateAccountedForUsingEquityMethodToCarryingAmountOfInterestInAssociateExplanatory |
| 540 |
Summary of Aggregate Information of Associates that are Not Individually Material |
Concept (Text Block (HTML)) |
For Period |
|
asx:DisclosureOfAggregateFinancialInformationOfAssociatesThatAreNotIndividuallyMaterialExplanatory |
| 541 |
Summary of Aggregate Information of the Joint Venture that is Not Individually Material |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfJointVenturesExplanatory |
| 542 |
1062 - Disclosure - Property, Plant and Equipment (Tables) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfPropertyPlantAndEquipmentExplanatoryTables |
| 543 |
Implied Table |
Table |
* |
* |
implied:Table |
| 544 |
Text block [abstract] |
Abstract |
|
|
asx:TextBlockAbstract |
| 545 |
Summary of Property, Plant and Equipment |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory |
| 546 |
Summary of Property, Plant and Equipment Useful Lives |
Concept (Text Block (HTML)) |
For Period |
|
asx:DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentEstimatedUsefulLivesExplanatory |
| 547 |
1063 - Disclosure - Investment Properties (Tables) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfInvestmentPropertyExplanatoryTables |
| 548 |
Implied Table |
Table |
* |
* |
implied:Table |
| 549 |
Text block [abstract] |
Abstract |
|
|
asx:TextBlockAbstract |
| 550 |
Summary of Investment Properties |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfDetailedInformationAboutInvestmentPropertyExplanatory |
| 551 |
Summary of Investment Properties, Useful Lives |
Concept (Text Block (HTML)) |
For Period |
|
asx:DisclosureOfInvestmentPropertyEstimatedUsefulLivesExplanatory |
| 552 |
1064 - Disclosure - Goodwill (Tables) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfGoodwillExplanatoryTables |
| 553 |
Implied Table |
Table |
* |
* |
implied:Table |
| 554 |
Text block [abstract] |
Abstract |
|
|
asx:TextBlockAbstract |
| 555 |
Summary of Goodwill |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfReconciliationOfChangesInGoodwillExplanatory |
| 556 |
Summary of Carrying Amounts of Goodwill Allocated to Cash-generating Units |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesExplanatory |
| 557 |
1065 - Disclosure - Other Intangible Assets (Tables) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfIntangibleAssetsExplanatoryTables |
| 558 |
Implied Table |
Table |
* |
* |
implied:Table |
| 559 |
Text block [abstract] |
Abstract |
|
|
asx:TextBlockAbstract |
| 560 |
Summary of Carrying Amounts of Each Class of Other Intangible Assets |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfDetailedInformationAboutIntangibleAssetsExplanatory |
| 561 |
Summary of Other Intangible Assets Useful Lives |
Concept (Text Block (HTML)) |
For Period |
|
asx:DisclosureOfIntangibleAssetsEstimatedUsefulLivesExplanatory |
| 562 |
1066 - Disclosure - Borrowings (Tables) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfBorrowingsExplanatoryTables |
| 563 |
Statement [table] |
Table |
* |
* |
asx:StatementTable |
| 564 |
Borrowings by name [axis] |
Axis |
|
|
ifrs-full:BorrowingsByNameAxis |
| 565 |
Borrowings by name [member] |
Member |
|
|
ifrs-full:BorrowingsByNameMember |
| 566 |
Long Term Bank Loans [member] |
Member |
|
|
asx:LongTermBankLoansMember |
| 567 |
Longterm Bills Payable [member] |
Member |
|
|
asx:LongtermBillsPayableMember |
| 568 |
Statement [LineItems] |
LineItems |
|
|
asx:StatementLineItems |
| 569 |
Summary of Borrowings |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsExplanatory |
| 570 |
1067 - Disclosure - Bonds Payable (Tables) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfDebtSecuritiesExplanatoryTables |
| 571 |
Implied Table |
Table |
* |
* |
implied:Table |
| 572 |
Text block [abstract] |
Abstract |
|
|
asx:TextBlockAbstract |
| 573 |
Summary of Bonds Payable |
Concept (Text Block (HTML)) |
For Period |
|
asx:DisclosureOfDetailedInformationAboutDebtSecuritiesExplanatory |
| 574 |
1068 - Disclosure - Other Payables (Tables) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfOtherPayablesExplanatoryTables |
| 575 |
Implied Table |
Table |
* |
* |
implied:Table |
| 576 |
Text block [abstract] |
Abstract |
|
|
asx:TextBlockAbstract |
| 577 |
Summary of Other Payables |
Concept (Text Block (HTML)) |
For Period |
|
asx:DisclosureOfDetailedInformationOfOtherPayablesExplanatory |
| 578 |
1069 - Disclosure - Retirement Benefit Plans (Tables) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfDefinedBenefitPlansExplanatoryTables |
| 579 |
Implied Table |
Table |
* |
* |
implied:Table |
| 580 |
Text block [abstract] |
Abstract |
|
|
asx:TextBlockAbstract |
| 581 |
Summary of Defined Benefit Plans Amounts Included in Consolidated Balance Sheets |
Concept (Text Block (HTML)) |
For Period |
|
asx:DisclosureOfDefinedBenefitPlansAmountsRecognisedOnTheBalanceSheetExplanatory |
| 582 |
Summary of Movements in Net Defined Benefit Liability (Asset) |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfNetDefinedBenefitLiabilityAssetExplanatory |
| 583 |
Summary of Fair Value of the Plan Assets by Major Categories |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfFairValueOfPlanAssetsExplanatory |
| 584 |
Summary of Key Assumptions Used for the Actuarial Valuations |
Concept (Text Block (HTML)) |
For Period |
|
asx:DisclosureOfDefinedBenefitPlanActuarialAssumptionsExplanatory |
| 585 |
Summary of Sensitivity Analysis on Defined Obligations |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfSensitivityAnalysisForActuarialAssumptionsExplanatory |
| 586 |
Summary of Maturity Analysis of Undiscounted Pension Benefit |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfInformationAboutMaturityProfileOfDefinedBenefitObligationExplanatory |
| 587 |
1070 - Disclosure - Equity (Tables) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatoryTables |
| 588 |
Statement [table] |
Table |
* |
* |
asx:StatementTable |
| 589 |
Components of equity [axis] |
Axis |
|
|
ifrs-full:ComponentsOfEquityAxis |
| 590 |
Equity [member] |
Member |
|
|
ifrs-full:EquityMember |
| 591 |
Exchange differences on translating foreign operations [member] |
Member |
|
|
ifrs-full:ReserveOfExchangeDifferencesOnTranslationMember |
| 592 |
Unrealized gain (loss) on available-for-sale financial assets [member] |
Member |
|
|
ifrs-full:ReserveOfGainsAndLossesOnRemeasuringAvailableforsaleFinancialAssetsMember |
| 593 |
Statement [LineItems] |
LineItems |
|
|
asx:StatementLineItems |
| 594 |
Summary of Share Capital |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfClassesOfShareCapitalExplanatory |
| 595 |
Summary of Capital Surplus |
Concept (Text Block (HTML)) |
For Period |
|
asx:DisclosureOfSharePremiumExplanatory |
| 596 |
Summary of Other Reserves |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfReservesAndOtherEquityInterestExplanatory |
| 597 |
Summary of Unrealized Gain (Loss) on Financial Assets at FVTOCI |
Concept (Text Block (HTML)) |
For Period |
|
asx:DisclosureOfDetailedInformationAboutFinancialAssetsDesignatedAtFairValueExplanatory |
| 598 |
Summary of Treasury Shares |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfTreasurySharesExplanatory |
| 599 |
Summary of Shares Held By Subsidiaries |
Concept (Text Block (HTML)) |
For Period |
|
asx:DisclosureOfSharesHeldBySubsidiariesExplanatory |
| 600 |
Summary of Non-controlling Interests |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfNoncontrollingInterestsExplanatory |
| 601 |
1071 - Disclosure - Profit Before Income Tax (Tables) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfOperatingExpensesAndNonoperatingIncomeAndExpensesExplanatoryTables |
| 602 |
Implied Table |
Table |
* |
* |
implied:Table |
| 603 |
Text block [abstract] |
Abstract |
|
|
asx:TextBlockAbstract |
| 604 |
Summary of Other Operating Income and Expenses, Net |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfOtherOperatingIncomeExpenseExplanatory |
| 605 |
Summary of Other Income |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfFinanceIncomeExplanatory |
| 606 |
Summary of Other Gains, net |
Concept (Text Block (HTML)) |
For Period |
|
asx:DisclosureOfOtherGainAndLossExplanatory |
| 607 |
Summary of Finance Costs |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfFinanceCostExplanatory |
| 608 |
Summary of Capitalized Borrowing Costs |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfBorrowingCostsExplanatory |
| 609 |
Summary of Depreciation and Amortization |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfDepreciationAndAmortisationExpenseExplanatory |
| 610 |
Summary of Operating Expenses Directly Related to Investment Properties |
Concept (Text Block (HTML)) |
For Period |
|
asx:DisclosureOfOperatingExpensesDirectlyRelatedToInvestmentPropertiesExplanatory |
| 611 |
Summary of Employee Benefits Expense |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfEmployeeBenefitsExplanatory |
| 612 |
1072 - Disclosure - Income Tax (Tables) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfIncomeTaxExplanatoryTables |
| 613 |
Implied Table |
Table |
* |
* |
implied:Table |
| 614 |
Text block [abstract] |
Abstract |
|
|
asx:TextBlockAbstract |
| 615 |
Summary of Major Components of Income Tax Expense |
Concept (Text Block (HTML)) |
For Period |
|
asx:DisclosureOfIncomeTaxExpenseBenefitExplanatory |
| 616 |
Summary of Reconciliation of Income Tax Expense |
Concept (Text Block (HTML)) |
For Period |
|
asx:DisclosureOfReconciliationOfIncomeTaxExpenseCalculatedAtStatutoryRateAndRecognizedInProfitOrLossExplanatory |
| 617 |
Summary of Income Tax Recognized Directly in Equity |
Concept (Text Block (HTML)) |
For Period |
|
asx:DisclosureOfIncomeTaxRecognizedDirectlyInEquityExplanatory |
| 618 |
Summary of Income Tax Recognized in Other Comprehensive Income |
Concept (Text Block (HTML)) |
For Period |
|
asx:DisclosureOfIncomeTaxRecognizedInOtherComprehensiveIncomeExplanatory |
| 619 |
Summary of Current Tax Assets and Liabilities |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfTaxReceivablesAndPayablesExplanatory |
| 620 |
Summary of Movements of Deferred Tax Assets and Deferred Tax Liabilities |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfDeferredTaxesExplanatory |
| 621 |
Summary of Unrecognized Deferred Tax Assets Related to Loss Carry-forward, Investment Credits and Deductible Temporary Differences |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory |
| 622 |
Summary of Unused Loss Carry-forward |
Concept (Text Block (HTML)) |
For Period |
|
asx:DisclosureOfUnusedLossCarryforwardsExplanatory |
| 623 |
Summary of Unused Investment Credits |
Concept (Text Block (HTML)) |
For Period |
|
asx:DisclosureOfUnusedInvestmentCreditsExplanatory |
| 624 |
Summary of Projects were Exempted From Income Tax |
Concept (Text Block (HTML)) |
For Period |
|
asx:DisclosureOfProfitsExemptedFromIncomeTaxExplanatory |
| 625 |
1073 - Disclosure - Earnings Per Share (Tables) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfEarningsPerShareExplanatoryTables |
| 626 |
Implied Table |
Table |
* |
* |
implied:Table |
| 627 |
Text block [abstract] |
Abstract |
|
|
asx:TextBlockAbstract |
| 628 |
Summary of Earnings and Weighted Average Number of Ordinary Shares Outstanding in Computation of Earnings Per Share |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:EarningsPerShareExplanatory |
| 629 |
1074 - Disclosure - Share-based Payment Arrangements (Tables) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfSharebasedPaymentArrangementsExplanatoryTables |
| 630 |
Statement [table] |
Table |
* |
* |
asx:StatementTable |
| 631 |
Joint operations [axis] |
Axis |
|
|
ifrs-full:JointOperationsAxis |
| 632 |
Entity's total for joint operations [member] |
Member |
|
|
ifrs-full:EntitysTotalForJointOperationsMember |
| 633 |
Joint share exchange agreement [member] |
Member |
|
|
asx:JointShareExchangeAgreementMember |
| 634 |
Types of share-based payment arrangements [axis] |
Axis |
|
|
ifrs-full:TypesOfSharebasedPaymentArrangementsAxis |
| 635 |
Share-based payment arrangements [member] |
Member |
|
|
ifrs-full:SharebasedPaymentArrangementsMember |
| 636 |
ASE Inc. option plans [member] |
Member |
|
|
asx:ASEIncOptionPlansMember |
| 637 |
ASE Mauritius Inc. option plan [member] |
Member |
|
|
asx:ASEMauritiusIncOptionPlanMember |
| 638 |
USIE option plans [member] |
Member |
|
|
asx:USIEOptionPlansMember |
| 639 |
New shares reserved for subscription by employees under cash capital increase [member] |
Member |
|
|
asx:NewSharesReservedForSubscriptionByEmployeesUnderCashCapitalIncreaseMember |
| 640 |
Trinomial tree model [member] |
Member |
|
|
asx:TrinomialTreeModelMember |
| 641 |
USISH option plans [member] |
Member |
|
|
asx:USISHOptionPlansMember |
| 642 |
Statement [LineItems] |
LineItems |
|
|
asx:StatementLineItems |
| 643 |
Summary of Information About Share Options |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory |
| 644 |
Summary of Outstanding Share Options |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfRangeOfExercisePricesOfOutstandingShareOptionsExplanatory |
| 645 |
Summary of Inputs Related to Fair Value of Share Options |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfIndirectMeasurementOfFairValueOfGoodsOrServicesReceivedShareOptionsGrantedDuringPeriodExplanatory |
| 646 |
1075 - Disclosure - Business Combinations (Tables) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfBusinessCombinationsExplanatoryTables |
| 647 |
Statement [table] |
Table |
* |
* |
asx:StatementTable |
| 648 |
Business combinations [axis] |
Axis |
|
|
ifrs-full:BusinessCombinationsAxis |
| 649 |
Entity's total for business combinations [member] |
Member |
|
|
ifrs-full:EntitysTotalForBusinessCombinationsMember |
| 650 |
TLJ Intertech Inc. [member] |
Member |
|
|
asx:TLJIntertechIncMember |
| 651 |
Siliconware Precision Industries Co., Ltd. [member] |
Member |
|
|
asx:SiliconwarePrecisionIndustriesCoLtdMember |
| 652 |
Statement [LineItems] |
LineItems |
|
|
asx:StatementLineItems |
| 653 |
Summary of Subsidiary Acquired |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfDetailedInformationAboutBusinessCombinationsExplanatory |
| 654 |
Summary of Assets Acquired and Liabilities Assumed at the Date of Acquisition |
Concept (Text Block (HTML)) |
For Period |
|
asx:DisclosureOfDetailedInformationAboutDateOfAcquisitionAndConsiderationTransferredInBusinessCombinationsExplanatory |
| 655 |
Summary of Goodwill Recognized on Acquisition |
Concept (Text Block (HTML)) |
For Period |
|
asx:DisclosureOfDetailedInformationAboutGoodwillRecognizedOnBusinessCombinationExplanatory |
| 656 |
Summary of Net Cash Outflow on Acquisition of Subsidiaries |
Concept (Text Block (HTML)) |
For Period |
|
asx:DisclosureOfDetailedInformationAboutNetCashOutflowOnAcquisitionOfSubsidiariesExplanatory |
| 657 |
Summary of Impact of Acquisitions by Comprehensive Income |
Concept (Text Block (HTML)) |
For Period |
|
asx:DisclosureOfImpactOfAcquisitionByComprehensiveIncomeExplanatory |
| 658 |
1076 - Disclosure - Disposal of Subsidiaries (Tables) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfDisposalOfSubsidiariesExplanatoryTables |
| 659 |
Implied Table |
Table |
* |
* |
implied:Table |
| 660 |
Text block [abstract] |
Abstract |
|
|
asx:TextBlockAbstract |
| 661 |
Summary of Gain on Disposal of Subsidiaries |
Concept (Text Block (HTML)) |
For Period |
|
asx:DisclosureOfGainFromDisposalsOfSubsidiariesExplanatory |
| 662 |
Summary of Analysis of Assets and Liabilities on Date Control was Lost |
Concept (Text Block (HTML)) |
For Period |
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| 663 |
1077 - Disclosure - Cash Flows Information (Tables) |
Network |
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| 664 |
Implied Table |
Table |
* |
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implied:Table |
| 665 |
Text block [abstract] |
Abstract |
|
|
asx:TextBlockAbstract |
| 666 |
Summary of Non-cash Investing Activities |
Concept (Text Block (HTML)) |
For Period |
|
asx:DisclosureOfNonCashInvestingTransactionsExplanatory |
| 667 |
Change in Liabilities Arising From Financing Activities |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesExplanatory |
| 668 |
1078 - Disclosure - Operating Lease Arrangements (Tables) |
Network |
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| 669 |
Implied Table |
Table |
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implied:Table |
| 670 |
Text block [abstract] |
Abstract |
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asx:TextBlockAbstract |
| 671 |
Summary of Future Minimum Lease Payments of Non-cancellable Operating Lease Agreements (Lessee) |
Concept (Text Block (HTML)) |
For Period |
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ifrs-full:DisclosureOfFinanceLeaseAndOperatingLeaseByLesseeExplanatory |
| 672 |
Summary of Future Minimum Lease Payments of Non-cancellable Operating Lease Agreements (Lessor) |
Concept (Text Block (HTML)) |
For Period |
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ifrs-full:DisclosureOfFinanceLeaseAndOperatingLeaseByLessorExplanatory |
| 673 |
1079 - Disclosure - Financial Instruments (Tables) |
Network |
* |
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| 674 |
Statement [table] |
Table |
* |
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asx:StatementTable |
| 675 |
Measurement [axis] |
Axis |
|
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ifrs-full:MeasurementAxis |
| 676 |
Aggregated measurement [member] |
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| 677 |
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| 678 |
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| 679 |
Levels of fair value hierarchy [axis] |
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|
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| 680 |
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| 681 |
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| 682 |
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| 683 |
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| 684 |
Interest rate risk [member] |
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ifrs-full:InterestRateRiskMember |
| 685 |
Statement [LineItems] |
LineItems |
|
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asx:StatementLineItems |
| 686 |
Summary of Fair Value of Financial Instruments |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfFairValueOfFinancialInstrumentsExplanatory |
| 687 |
Summary of Financial Assets Measured at Level 3 Fair Value |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfFairValueMeasurementOfAssetsExplanatory |
| 688 |
Summary of Categories of Financial Instruments |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfDetailedInformationAboutFinancialInstrumentsExplanatory |
| 689 |
Summary of Interest Rate Risk |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsExplanatory |
| 690 |
Summary of Maturity Analysis for Non-derivative Financial Liabilities |
Concept (Text Block (HTML)) |
For Period |
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ifrs-full:MaturityAnalysisForNonderivativeFinancialLiabilities |
| 691 |
Summary of Maturity Analysis for Derivative Financial Instruments |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:MaturityAnalysisForDerivativeFinancialLiabilities |
| 692 |
1080 - Disclosure - Related Party Transactions (Tables) |
Network |
* |
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| 693 |
Implied Table |
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| 694 |
Text block [abstract] |
Abstract |
|
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asx:TextBlockAbstract |
| 695 |
Summary of Compensation to Key Management Personnel |
Concept (Text Block (HTML)) |
For Period |
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ifrs-full:DisclosureOfInformationAboutKeyManagementPersonnelExplanatory |
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1081 - Disclosure - Assets Pledged as Collateral or for Security (Tables) |
Network |
* |
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| 697 |
Implied Table |
Table |
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| 698 |
Text block [abstract] |
Abstract |
|
|
asx:TextBlockAbstract |
| 699 |
Summary of Assets Pledged as Collateral or for Security |
Concept (Text Block (HTML)) |
For Period |
|
asx:DisclosureOfDetailedInformationOfAssetsPledgedAsCollateralOrForSecurityExplanatory |
| 700 |
1082 - Disclosure - Significant Assets and Liabilities Denominated in Foreign Currencies (Tables) |
Network |
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| 701 |
Implied Table |
Table |
* |
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| 702 |
Text block [abstract] |
Abstract |
|
|
asx:TextBlockAbstract |
| 703 |
Summary of Significant Assets and Liabilities Denominated in Foreign Currencies |
Concept (Text Block (HTML)) |
For Period |
|
asx:DisclosureOfAssetsAndLiabilitiesDenominatedInForeignCurrenciesExplanatory |
| 704 |
Summary of Realized and Unrealized Foreign Exchange Gain (Loss) |
Concept (Text Block (HTML)) |
For Period |
|
asx:DisclosureOfRealizedAndUnrealizedForeignExchangeGainAndLossExplanatory |
| 705 |
1083 - Disclosure - Operating Segments Information (Tables) |
Network |
* |
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| 706 |
Implied Table |
Table |
* |
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implied:Table |
| 707 |
Text block [abstract] |
Abstract |
|
|
asx:TextBlockAbstract |
| 708 |
Summary of Segment Information |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfOperatingSegmentsExplanatory |
| 709 |
Summary of Revenue from Major Products and Services |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfProductsAndServicesExplanatory |
| 710 |
Summary of Geographical Information |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfGeographicalAreasExplanatory |
| 711 |
1084 - Disclosure - General Information - Additional Information (Detail) |
Network |
* |
* |
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| 712 |
Disclosure Of General Information About Financial Statements [table] |
Table |
* |
* |
asx:DisclosureOfGeneralInformationAboutFinancialStatementsTable |
| 713 |
Associates [axis] |
Axis |
|
|
ifrs-full:SignificantInvestmentsInAssociatesAxis |
| 714 |
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Member |
|
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ifrs-full:EntitysTotalForAssociatesMember |
| 715 |
Siliconware Precision Industries Co., Ltd. [member] |
Member |
|
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asx:SiliconwarePrecisionIndustriesCoLtdMember |
| 716 |
Disclosure Of General Information About Financial Statements [line items] |
LineItems |
|
|
asx:DisclosureOfGeneralInformationAboutFinancialStatementsLineItems |
| 717 |
Exchange price per share |
Concept (Share) |
For Period |
|
asx:AdjustedExchangePricePerShare |
| 718 |
1085 - Disclosure - Application of New and Revised International Financial Reporting Standards as Issued by the International Accounting Standards Board ("IASB") ( Collectively, "IFRSs") - Summary of Assets and Liablities (Detail) |
Network |
* |
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| 719 |
Disclosure of financial assets at date of initial application of IFRS 9 [table] |
Table |
* |
* |
ifrs-full:DisclosureOfFinancialAssetsAtDateOfInitialApplicationOfIFRS9Table |
| 720 |
Components of equity [axis] |
Axis |
|
|
ifrs-full:ComponentsOfEquityAxis |
| 721 |
Equity [member] |
Member |
|
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ifrs-full:EquityMember |
| 722 |
Retained earnings [member] |
Member |
|
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ifrs-full:RetainedEarningsMember |
| 723 |
Other equity securities [member] |
Member |
|
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ifrs-full:OtherEquitySecuritiesMember |
| 724 |
Classes of financial assets [axis] |
Axis |
|
|
ifrs-full:ClassesOfFinancialAssetsAxis |
| 725 |
Financial assets, class [member] |
Member |
|
|
ifrs-full:FinancialAssetsMember |
| 726 |
Cash and cash equivalents [member] |
Member |
|
|
asx:CashAndCashEquivalents1Member |
| 727 |
Derivatives [member] |
Member |
|
|
ifrs-full:DerivativesMember |
| 728 |
Equity instruments1 [member] |
Member |
|
|
asx:EquityInstruments1Member |
| 729 |
Equity instruments2 [member] |
Member |
|
|
asx:EquityInstruments2Member |
| 730 |
Open-end mutual funds [member] |
Member |
|
|
asx:OpenendMutualFundsMember |
| 731 |
Debt instruments [member] |
Member |
|
|
asx:DebtInstrumentsMember |
| 732 |
Time deposits with original maturity of over three months, pledged time deposits and guarantee deposit [member] |
Member |
|
|
asx:TimeDepositsInForeignCurrenciesMember |
| 733 |
Trade receivables and other receivables [member] |
Member |
|
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asx:TimeDepositsAndOthersMember |
| 734 |
Open-end mutual funds [member] |
Member |
|
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asx:OpenendMutualFunds1Member |
| 735 |
Financial effect of transition from previous GAAP to IFRSs [axis] |
Axis |
|
|
ifrs-full:FinancialEffectOfTransitionFromPreviousGAAPToIFRSsAxis |
| 736 |
IFRSs [member] |
Member |
|
|
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| 737 |
IAS 39 [member] |
Member |
|
|
asx:IAS39Member |
| 738 |
Reclassifications [member] |
Member |
|
|
asx:ReclassificationsMember |
| 739 |
Remeasurements [member] |
Member |
|
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asx:RemeasurementsMember |
| 740 |
IFRS9 [member] |
Member |
|
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asx:IFRS9Member |
| 741 |
Categories of financial assets [axis] |
Axis |
|
|
ifrs-full:CategoriesOfFinancialAssetsAxis |
| 742 |
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Member |
|
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ifrs-full:FinancialAssetsCategoryMember |
| 743 |
Mandatorily at fair value through profit or loss [member] |
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|
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| 744 |
Financial assets at fair value through other comprehensive income, category [member] |
Member |
|
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| 745 |
Loans and receivables [member] |
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|
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| 746 |
Held for trading [member] |
Member |
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| 747 |
Available-for-sale [member] |
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| 748 |
Other financial assets [member] |
Member |
|
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asx:OtherFinancialAssets1Member |
| 749 |
Amortized cost [member] |
Member |
|
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| 750 |
Financial assets measured at fair value through other comprehensive income, category [member] |
Member |
|
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ifrs-full:FinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeCategoryMember |
| 751 |
Disclosure of financial assets at date of initial application of IFRS 9 [line items] |
LineItems |
|
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| 752 |
Investments accounted for using the equity method |
Concept (Monetary) |
As Of |
Debit |
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| 753 |
Financial assets |
Concept (Monetary) |
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Debit |
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| 754 |
FVTPL |
Concept (Monetary) |
As Of |
Debit |
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| 755 |
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Concept (Monetary) |
For Period |
Credit |
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| 756 |
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Concept (Monetary) |
As Of |
Debit |
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| 757 |
Debt instruments |
Abstract |
|
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| 758 |
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Concept (Monetary) |
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Credit |
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| 759 |
Equity instruments |
Abstract |
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| 760 |
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Concept (Monetary) |
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Credit |
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| 761 |
Total equity and debt instruments measured at fair value through other comprehensive income |
Concept (Monetary) |
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| 762 |
1086 - Disclosure - Application of New and Revised International Financial Reporting Standards as Issued by the International Accounting Standards Board ("IASB") ( Collectively, "IFRSs") - Schedule of Anticipated Impact on Assets, Liabilities and Equity Of Retrospective Application of the Requirements for the Classification, Measurement and Impairment of Financial Assets (Detail) |
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Disclosure of expected impact of initial application of new standards or interpretations [table] |
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| 764 |
Retrospective application and retrospective restatement [axis] |
Axis |
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ifrs-full:RetrospectiveApplicationAndRetrospectiveRestatementAxis |
| 765 |
Currently stated [member] |
Member |
|
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| 766 |
Adjustments arising from initial application [member] |
Member |
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| 767 |
New IFRSs [axis] |
Axis |
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| 768 |
New IFRSs [member] |
Member |
|
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ifrs-full:NewIFRSsMember |
| 769 |
IAS 18 [member] |
Member |
|
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asx:IAS18Member |
| 770 |
Adoption of IFRS 15 [member] |
Member |
|
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asx:IFRS15Member |
| 771 |
Disclosure of expected impact of initial application of new standards or interpretations [line items] |
LineItems |
|
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| 772 |
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Concept (Monetary) |
As Of |
Debit |
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| 773 |
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Concept (Monetary) |
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| 774 |
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Concept (Monetary) |
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| 775 |
Deferred tax assets |
Concept (Monetary) |
As Of |
Debit |
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| 776 |
Total assets |
Concept (Monetary) |
As Of |
Debit |
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| 777 |
Current tax liabilities |
Concept (Monetary) |
As Of |
Credit |
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| 778 |
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Concept (Monetary) |
As Of |
Credit |
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| 779 |
Total liabilities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Liabilities |
| 780 |
Retained earnings |
Concept (Monetary) |
As Of |
Credit |
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| 781 |
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Concept (Monetary) |
As Of |
Credit |
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| 782 |
Total equity |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Equity |
| 783 |
1087 - Disclosure - Application of New and Revised International Financial Reporting Standards As Issued By The International Accounting Standards Board - Schedule of Differences Between IFRS and IAS 18 Due to Adoption of IAS18 (Detail) |
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| 784 |
Disclosure of initial application of standards or interpretations [table] |
Table |
* |
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ifrs-full:DisclosureOfInitialApplicationOfStandardsOrInterpretationsTable |
| 785 |
New IFRSs [axis] |
Axis |
|
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| 786 |
New IFRSs [member] |
Member |
|
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| 787 |
IAS 18 [member] |
Member |
|
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asx:IAS18Member |
| 788 |
Currency [Axis] |
Axis |
|
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| 789 |
All Currencies [Domain] |
Member |
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| 790 |
New Taiwan Dollar [member] |
Member |
|
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currency:TWD |
| 791 |
US Dollar [member] |
Member |
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| 792 |
Disclosure of initial application of standards or interpretations [line items] |
LineItems |
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| 793 |
Increase in inventories |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdjustmentsForDecreaseIncreaseInInventories |
| 794 |
Decrease in contract assets - current |
Concept (Monetary) |
For Period |
Debit |
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| 795 |
Increase in trade receivables |
Concept (Monetary) |
As Of |
Debit |
asx:IncreaseDecreesInTradeReceivable |
| 796 |
Decrease in investments accounted for using the equity method |
Concept (Monetary) |
As Of |
Debit |
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| 797 |
Increase in deferred tax assets |
Concept (Monetary) |
As Of |
Debit |
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| 798 |
Decrease in assets |
Concept (Monetary) |
For Period |
Debit |
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| 799 |
Decrease in current tax liabilities |
Concept (Monetary) |
As Of |
Debit |
asx:DecreaseInCurrentTaxLiabilities |
| 800 |
Decrease in deferred tax liabilities |
Concept (Monetary) |
For Period |
Credit |
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| 801 |
Decrease in liabilities |
Concept (Monetary) |
For Period |
Credit |
asx:IncreaseDecreaseInLiabilities |
| 802 |
Decrease in retained earnings |
Concept (Monetary) |
For Period |
Debit |
asx:DecreaseInRetainedEarnings |
| 803 |
Decrease in non-controlling interests |
Concept (Monetary) |
For Period |
Credit |
asx:IncreaseDecreaseInNoncontrollingInterests |
| 804 |
Decrease in equity |
Concept (Monetary) |
As Of |
Debit |
asx:DecreaseInEquity |
| 805 |
Decrease in operating revenues |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:Revenue |
| 806 |
Decrease in operating costs |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:CostOfSales |
| 807 |
Increase in share of profit of associates and joint ventures |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod |
| 808 |
Decrease in income tax expense |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:IncomeTaxExpenseContinuingOperations |
| 809 |
Decrease in net profit and total comprehensive income for the year |
Concept (Monetary) |
For Period |
Debit |
asx:DecreaseInNetProfitAndTotalComprehensiveIncome |
| 810 |
Increase (decrease) in net profit and total comprehensive income attributable to: Owners of the Company |
Concept (Monetary) |
For Period |
Credit |
asx:NetProfitAndComprehensiveIncomeAttributableToOwnersOfParent |
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Non-controlling interests |
Concept (Monetary) |
For Period |
Credit |
asx:NetProfitAndComprehensiveIncomeAttributableToNoncontrollingInterests |
| 812 |
TOTAL COMPREHENSIVE INCOME FOR THE YEAR |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ComprehensiveIncome |
| 813 |
Decrease in basic earnings per share |
Concept (Share) |
For Period |
|
ifrs-full:BasicEarningsLossPerShare |
| 814 |
Decrease in diluted earnings per share |
Concept (Share) |
For Period |
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ifrs-full:DilutedEarningsLossPerShare |
| 815 |
1088 - Disclosure - Application of New and Revised International Financial Reporting Standards As Issued By The International Accounting Standards Board - Summary of Anticipated Impact on Assets, Liabilities and Equity (Detail) |
Network |
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| 816 |
Disclosure of expected impact of initial application of new standards or interpretations [table] |
Table |
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* |
ifrs-full:DescriptionOfExpectedImpactOfInitialApplicationOfNewStandardsOrInterpretationsTable |
| 817 |
Non-adjusting events after reporting period [axis] |
Axis |
|
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ifrs-full:NonadjustingEventsAfterReportingPeriodAxis |
| 818 |
Non-adjusting events after reporting period [member] |
Member |
|
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ifrs-full:NonadjustingEventsMember |
| 819 |
Non adjusting event [member] |
Member |
|
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asx:NonAdjustingEventMember |
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Retrospective application and retrospective restatement [axis] |
Axis |
|
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ifrs-full:RetrospectiveApplicationAndRetrospectiveRestatementAxis |
| 821 |
Currently stated [member] |
Member |
|
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ifrs-full:RestatedMember |
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Increase (decrease) due to application of IFRS 16 [member] |
Member |
|
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asx:IncreaseDecreaseDueToApplicationOfIFRS16Member |
| 823 |
New IFRSs [axis] |
Axis |
|
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ifrs-full:NewIFRSsAxis |
| 824 |
New IFRSs [member] |
Member |
|
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ifrs-full:NewIFRSsMember |
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IAS 17 [member] |
Member |
|
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asx:IAS17Member |
| 826 |
IFRS 16 [member] |
Member |
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asx:IFRS16Member |
| 827 |
Disclosure of expected impact of initial application of new standards or interpretations [line items] |
LineItems |
|
|
ifrs-full:DescriptionOfExpectedImpactOfInitialApplicationOfNewStandardsOrInterpretationsLineItems |
| 828 |
Other financial assets - current |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:OtherCurrentFinancialAssets |
| 829 |
Other current assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:OtherCurrentNonfinancialAssets |
| 830 |
Long-term prepayments for lease |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:NoncurrentLeasePrepayments |
| 831 |
Property, plant and equipment |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:PropertyPlantAndEquipment |
| 832 |
Right-of-use assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:RightofuseAssets |
| 833 |
Investment properties |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:InvestmentProperty |
| 834 |
Other financial assets - non-current |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:OtherNoncurrentFinancialAssets |
| 835 |
Other intangible assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:IntangibleAssetsOtherThanGoodwill |
| 836 |
Total assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:Assets |
| 837 |
Obligation under leases - current |
Concept (Monetary) |
As Of |
Credit |
asx:CurrentPortionOfObligationsUnderFinanceLease |
| 838 |
Other current liabilities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:OtherCurrentLiabilities |
| 839 |
Obligation under leases - non-current |
Concept (Monetary) |
As Of |
Credit |
asx:NonCurrentPortionOfObligationsUnderFinanceLease |
| 840 |
Other current liabilities - non-current |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:OtherNoncurrentLiabilities |
| 841 |
Total liabilities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Liabilities |
| 842 |
1089 - Disclosure - Summary of Significant Accounting Policies - Additional Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformation |
| 843 |
Implied Table |
Table |
* |
* |
implied:Table |
| 844 |
Summary Of Significant Accounting Policies [abstract] |
Abstract |
|
|
asx:SummaryOfSignificantAccountingPoliciesAbstract |
| 845 |
Ownership interest percentage in subsidiary, assumption |
Concept (Percent) |
For Period |
|
asx:AssumptionOfInvestmentOwnershipPercentageInSubsidiary |
| 846 |
Convenience exchange rate |
Concept (Decimal) |
As Of |
|
ifrs-full:ClosingForeignExchangeRate |
| 847 |
1090 - Disclosure - Summary of Significant Accounting Policies - Summary of Subsidiaries (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureSummaryOfSignificantAccountingPoliciesSummaryOfSubsidiaries |
| 848 |
Disclosure of subsidiaries [table] |
Table |
* |
* |
ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesTable |
| 849 |
Subsidiaries [axis] |
Axis |
|
|
ifrs-full:SignificantInvestmentsInSubsidiariesAxis |
| 850 |
Entity's total for subsidiaries [member] |
Member |
|
|
ifrs-full:EntitysTotalForSubsidiariesMember |
| 851 |
Advanced semiconductor engineering inc [member] |
Member |
|
|
asx:AdvancedSemiconductorEngineeringIncMember |
| 852 |
A.S.E. Holding Limited [member] |
Member |
|
|
asx:ASEHoldingLimitedMember |
| 853 |
J & R Holding Limited [member] |
Member |
|
|
asx:JAndRHoldingLimitedMember |
| 854 |
Innosource Limited [member] |
Member |
|
|
asx:InnosourceLimitedMember |
| 855 |
Omniquest Industrial Limited [member] |
Member |
|
|
asx:OmniquestIndustrialLimitedMember |
| 856 |
ASE Marketing & Service Japan Co., Ltd. [member] |
Member |
|
|
asx:ASEMarketingAndServiceJapanCoLtdMember |
| 857 |
ASE Test, Inc. [member] |
Member |
|
|
asx:ASETestIncMember |
| 858 |
Luchu development corporation [member] |
Member |
|
|
asx:LuchuDevelopmentCorporationMember |
| 859 |
ASE (Shanghai) Inc. [member] |
Member |
|
|
asx:ASEShanghaiIncMember |
| 860 |
ASE Corporation [Member] |
Member |
|
|
asx:ASECorporationMember |
| 861 |
ASE Mauritius Inc. [member] |
Member |
|
|
asx:ASEMauritiusIncMember |
| 862 |
ASE Labuan Inc. [member] |
Member |
|
|
asx:ASELabuanIncMember |
| 863 |
Shanghai Ding Hui Real Estate Development Co., Ltd. [member] |
Member |
|
|
asx:ShanghaiDingHuiRealEstateDevelopmentCoLtdMember |
| 864 |
Shanghai Ding Qi Property Management Co., Ltd. [member] |
Member |
|
|
asx:ShanghaiDingQiPropertyManagementCoLtdMember |
| 865 |
Advanced Semiconductor Engineering (HK) Limited [member] |
Member |
|
|
asx:AdvancedSemiconductorEngineeringHKLimitedMember |
| 866 |
Shanghai Ding Wei Real Estate Development Co., Ltd. [member] |
Member |
|
|
asx:ShanghaiDingWeiRealEstateDevelopmentCoLtdMember |
| 867 |
Shanghai Ding Yu Real Estate Development Co., Ltd. [member] |
Member |
|
|
asx:ShanghaiDingYuRealEstateDevelopmentCoLtdMember |
| 868 |
Shanghai Ding Fan Department Store Co., Ltd. [member] |
Member |
|
|
asx:ShanghaiDingFanDepartmentStoreCoLtdMember |
| 869 |
Kun Shan Ding Hong Real Estate Development Co., Ltd. [member] |
Member |
|
|
asx:KunShanDingHongRealEstateDevelopmentCoLtdMember |
| 870 |
Shanghai Ding Xu Property Management Co., Ltd. [member] |
Member |
|
|
asx:ShanghaiDingXuPropertyManagementCoLtdMember |
| 871 |
ASE Electronics Inc. [member] |
Member |
|
|
asx:ASEElectronicsIncMember |
| 872 |
ASE Test Holdings, Ltd. [member] |
Member |
|
|
asx:ASETestHoldingsLtdMember |
| 873 |
ASE Holdings (Singapore) Pte. Ltd. [member] |
Member |
|
|
asx:ASEHoldingsSingaporePteLtdMember |
| 874 |
ASE Singapore Pte. Ltd. [member] |
Member |
|
|
asx:ASESingaporePteLtdMember |
| 875 |
ISE Labs, Inc. [member] |
Member |
|
|
asx:ISELabsIncMember |
| 876 |
Universal Global Scientific Industrial Co., Ltd. [member] |
Member |
|
|
asx:UniversalGlobalScientificIndustrialCoLtdMember |
| 877 |
Universal Scientific Industrial De Mexico S.A. De C.V. [member] |
Member |
|
|
asx:UniversalScientificIndustrialDeMexicoSADeCVMember |
| 878 |
USI Japan Co., Ltd. [member] |
Member |
|
|
asx:USIJapanCoLtdMember |
| 879 |
USI Electronics (Shenzhen) Co., Ltd. [member] |
Member |
|
|
asx:USIElectronicsShenzhenCoLtdMember |
| 880 |
Universal Global Electronics Co., Ltd [member] |
Member |
|
|
asx:UniversalGlobalElectronicsCoLtdMember |
| 881 |
Universal Scientific Industrial Co., Ltd. [member] |
Member |
|
|
asx:UniversalScientificIndustrialCoLtdMember |
| 882 |
Siliconware Precision Industries Co., Ltd. [member] |
Member |
|
|
asx:SiliconwarePrecisionIndustriesCoLtdMember |
| 883 |
SPIL (B.V.I.) Holding Limited [member] |
Member |
|
|
asx:SPILBVIHoldingLimitedMember |
| 884 |
Siliconware Investment Co Ltd [member] |
Member |
|
|
asx:SiliconwareInvestmentCoLtdMember |
| 885 |
Siliconware USA, Inc. [member] |
Member |
|
|
asx:SiliconwareUSAIncMember |
| 886 |
SPIL (Cayman) Holding Limited [member] |
Member |
|
|
asx:SPILCaymanHoldingLimitedMember |
| 887 |
Siliconware technology Suzhou limited [member] |
Member |
|
|
asx:SiliconwareTechnologySuzhouLimitedMember |
| 888 |
Siliconware Electronics (Fujian) Co Limited [member] |
Member |
|
|
asx:SiliconwareElectronicsFujianCoLimitedMember |
| 889 |
TLJ Intertech Inc. [member] |
Member |
|
|
asx:TLJIntertechIncMember |
| 890 |
MingFung Information Service Corp Ltd [member] |
Member |
|
|
asx:MingFungInformationServiceCorpLtdMember |
| 891 |
Alto Enterprises Limited [member] |
Member |
|
|
asx:AltoEnterprisesLimitedMember |
| 892 |
Super Zone Holdings Limited [member] |
Member |
|
|
asx:SuperZoneHoldingsLimitedMember |
| 893 |
ASE (Kun Shan) Inc. [member] |
Member |
|
|
asx:ASEKunShanIncMember |
| 894 |
ASE Investment (Kun Shan) Limited [member] |
Member |
|
|
asx:ASEInvestmentKunShanLimitedMember |
| 895 |
Advanced Semiconductor Engineering (China) Ltd. [member] |
Member |
|
|
asx:AdvancedSemiconductorEngineeringChinaLtdMember |
| 896 |
ASE Investment (Labuan) Inc. [member] |
Member |
|
|
asx:ASEInvestmentLabuanIncMember |
| 897 |
ASE Test Limited [member] |
Member |
|
|
asx:ASETestLimitedMember |
| 898 |
ASE (Korea) Inc. [member] |
Member |
|
|
asx:ASEKoreaIncMember |
| 899 |
J&R Industrial Inc. [member] |
Member |
|
|
asx:JAndRIndustrialIncMember |
| 900 |
ASE Japan Co., Ltd. [member] |
Member |
|
|
asx:ASEJapanCoLtdMember |
| 901 |
ASE (U.S.) Inc. [member] |
Member |
|
|
asx:ASEUSIncMember |
| 902 |
Global Advanced Packaging Technology Limited [member] |
Member |
|
|
asx:GlobalAdvancedPackagingTechnologyLimitedMember |
| 903 |
ASE WeiHai Inc. [member] |
Member |
|
|
asx:ASEWeiHaiIncMember |
| 904 |
Suzhou ASEN Semiconductors Co., Ltd. [member] |
Member |
|
|
asx:SuzhouASENSemiconductorsCoLtdMember |
| 905 |
Anstock Limited [member] |
Member |
|
|
asx:AnstockLimitedMember |
| 906 |
Anstock II Limited [member] |
Member |
|
|
asx:AnstockIILimitedMember |
| 907 |
ASE Electronics (M) Sdn. Bhd. [member] |
Member |
|
|
asx:ASEElectronicsMSdnBhdMember |
| 908 |
ASE Assembly & Test (Shanghai) Limited [member] |
Member |
|
|
asx:ASEAssemblyAndTestShanghaiLimitedMember |
| 909 |
ASE Trading (Shanghai) Ltd. [member] |
Member |
|
|
asx:ASETradingShanghaiLtdMember |
| 910 |
ISE Labs, China. Ltd [member] |
Member |
|
|
asx:ISELabsChinaLtdMember |
| 911 |
Wuxi Tongzhi Microelectronics Co., Ltd. [member] |
Member |
|
|
asx:WuxiTongzhiMicroelectronicsCoLtdMember |
| 912 |
USI Global Inc [member] |
Member |
|
|
asx:USIGlobalIncMember |
| 913 |
USI [member] |
Member |
|
|
asx:USIMember |
| 914 |
Huntington Holdings International Co., Ltd. [member] |
Member |
|
|
asx:HuntingtonHoldingsInternationalCoLtdMember |
| 915 |
Unitech Holdings International Co., Ltd. [member] |
Member |
|
|
asx:UnitechHoldingsInternationalCoLtdMember |
| 916 |
Real Tech Holdings Limited [member] |
Member |
|
|
asx:RealTechHoldingsLimitedMember |
| 917 |
Universal ABIT Holding Co., Ltd. [member] |
Member |
|
|
asx:UniversalABITHoldingCoLtdMember |
| 918 |
Rising Capital Investment Limited [member] |
Member |
|
|
asx:RisingCapitalInvestmentLimitedMember |
| 919 |
Rise Accord Limited [member] |
Member |
|
|
asx:RiseAccordLimitedMember |
| 920 |
Universal Scientific Industrial (Kunshan) Co., Ltd. [member] |
Member |
|
|
asx:UniversalScientificIndustrialKunshanCoLtdMember |
| 921 |
USI Enterprise Limited [member] |
Member |
|
|
asx:USIEnterpriseLimitedMember |
| 922 |
Universal Scientific Industrial (Shanghai) Co., Ltd [member] |
Member |
|
|
asx:UniversalScientificIndustrialShanghaiCoLtdMember |
| 923 |
Universal Global Technology Co., Limited [member] |
Member |
|
|
asx:UniversalGlobalTechnologyCoLimitedMember |
| 924 |
Universal Global Technology (Kunshan) Co., Ltd. [member] |
Member |
|
|
asx:UniversalGlobalTechnologyKunshanCoLtdMember |
| 925 |
Universal Global Technology (Shanghai) Co., Ltd. [member] |
Member |
|
|
asx:UniversalGlobalTechnologyShanghaiCoLtdMember |
| 926 |
Universal Global Electronics (Shanghai) Co., Ltd. [member] |
Member |
|
|
asx:UniversalGlobalElectronicsShanghaiCoLtdMember |
| 927 |
USI America Inc. [member] |
Member |
|
|
asx:USIAmericaIncMember |
| 928 |
Universal Global Industrial Co., Limited [member] |
Member |
|
|
asx:UniversalGlobalIndustrialCoLimitedMember |
| 929 |
Disclosure of subsidiaries [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesLineItems |
| 930 |
Main Business |
Concept (Text/String) |
For Period |
|
ifrs-full:DescriptionOfNatureOfEntitysOperationsAndPrincipalActivities |
| 931 |
Establishment and Operating Location |
Concept (Text/String) |
For Period |
|
ifrs-full:PrincipalPlaceOfBusinessOfSubsidiary |
| 932 |
Percentage of Ownership (%) |
Concept (Percent) |
For Period |
|
ifrs-full:ProportionOfOwnershipInterestInSubsidiary |
| 933 |
1091 - Disclosure - Cash and Cash Equivalents - Summary of Cash and Cash Equivalents (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureCashAndCashEquivalentsSummaryOfCashAndCashEquivalents |
| 934 |
Implied Table |
Table |
* |
* |
implied:Table |
| 935 |
Cash and cash equivalents [abstract] |
Abstract |
|
|
ifrs-full:CashAndCashEquivalentsAbstract |
| 936 |
Cash on hand |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CashOnHand |
| 937 |
Checking accounts and demand deposits |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:BalancesWithBanks |
| 938 |
Cash equivalents |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CashEquivalents |
| 939 |
Cash and cash equivalents,total |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CashAndCashEquivalents |
| 940 |
1092 - Disclosure - Financial Instruments at Fair Value Through Profit or Loss - Summary of Financial Instruments at Fair Value Through Profit or Loss (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureFinancialInstrumentsAtFairValueThroughProfitOrLossSummaryOfFinancialInstrumentsAtFairValueThroughProfitOrLoss |
| 941 |
Disclosure of detailed information about financial instruments [table] |
Table |
* |
* |
ifrs-full:DisclosureOfFinancialInstrumentsTable |
| 942 |
Classes of financial instruments [axis] |
Axis |
|
|
ifrs-full:ClassesOfFinancialInstrumentsAxis |
| 943 |
Financial instruments, class [member] |
Member |
|
|
ifrs-full:ClassesOfFinancialInstrumentsMember |
| 944 |
Private-placement convertible bonds [member] |
Member |
|
|
asx:PrivatePlacementConvertibleBondsMember |
| 945 |
Quoted ordinary shares [member] |
Member |
|
|
asx:QuotedOrdinarySharesMember |
| 946 |
Open-end mutual funds [member] |
Member |
|
|
asx:OpenendMutualFundsMember |
| 947 |
Forward Exchange Contract [member] |
Member |
|
|
asx:ForwardExchangeContractMember |
| 948 |
Swap contracts [member] |
Member |
|
|
ifrs-full:SwapContractMember |
| 949 |
Unquoted preferred shares [member] |
Member |
|
|
asx:UnquotedPreferredSharesMember |
| 950 |
Private-placement funds [member] |
Member |
|
|
asx:PrivatePlacementsMember |
| 951 |
Forward exchange contracts [member] |
Member |
|
|
ifrs-full:ForwardContractMember |
| 952 |
Categories of financial assets [axis] |
Axis |
|
|
ifrs-full:CategoriesOfFinancialAssetsAxis |
| 953 |
Financial assets, category [member] |
Member |
|
|
ifrs-full:FinancialAssetsCategoryMember |
| 954 |
Derivative financial instruments [member] |
Member |
|
|
asx:DerivativeFinancialInstrumentsMember |
| 955 |
Non derivative financial assets [member] |
Member |
|
|
asx:NonDerivativeFinancialAssetsMember |
| 956 |
Hybrid financial assets [member] |
Member |
|
|
asx:HybridFinancialAssetsMember |
| 957 |
Disclosure of detailed information about financial instruments [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfFinancialInstrumentsLineItems |
| 958 |
Financial assets designated as at FVTPL |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CurrentFinancialAssetsAtFairValueThroughProfitOrLossDesignatedUponInitialRecognition |
| 959 |
Financial assets held for trading |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CurrentFinancialAssetsAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading |
| 960 |
Financial assets mandatorily classified as at FVTPL |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CurrentFinancialAssetsAtFairValueThroughProfitOrLossMandatorilyMeasuredAtFairValue |
| 961 |
Financial assets at fair value through profit or loss |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLoss |
| 962 |
Current |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CurrentFinancialAssetsAtFairValueThroughProfitOrLoss |
| 963 |
Non-current |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:NoncurrentFinancialAssetsAtFairValueThroughProfitOrLoss |
| 964 |
Financial liabilities held for trading |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:CurrentFinancialLiabilitiesAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading |
| 965 |
1093 - Disclosure - Financial Instruments at Fair Value Through Profit or Loss - Summary of Outstanding Contracts Not Accounted for Hedge Accounting (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureFinancialInstrumentsAtFairValueThroughProfitOrLossSummaryOfOutstandingContractsNotAccountedForHedgeAccounting |
| 966 |
Disclosure of detailed information about financial instruments [table] |
Table |
* |
* |
ifrs-full:DisclosureOfFinancialInstrumentsTable |
| 967 |
Classes of financial instruments [axis] |
Axis |
|
|
ifrs-full:ClassesOfFinancialInstrumentsAxis |
| 968 |
Financial instruments, class [member] |
Member |
|
|
ifrs-full:ClassesOfFinancialInstrumentsMember |
| 969 |
Swap contracts [member] |
Member |
|
|
ifrs-full:SwapContractMember |
| 970 |
Forward exchange contracts [member] |
Member |
|
|
ifrs-full:ForwardContractMember |
| 971 |
Types of contracts [axis] |
Axis |
|
|
ifrs-full:TypesOfContractsAxis |
| 972 |
Types of contracts [member] |
Member |
|
|
ifrs-full:TypesOfContractsMember |
| 973 |
Sell NT$/buy US$ [member] |
Member |
|
|
asx:SellNTToBuyUSMember |
| 974 |
Sell US$/buy CNY [member] |
Member |
|
|
asx:SellUSToBuyCNYMember |
| 975 |
Sell US$/buy JPY [member] |
Member |
|
|
asx:SellUSToBuyJPYMember |
| 976 |
Sell US$/buy NT$ [member] |
Member |
|
|
asx:SellUSToBuyNTMember |
| 977 |
Sell US$/Buy EUR [Member] |
Member |
|
|
asx:SellUSToBuyEURMember |
| 978 |
Sell US$/Buy MYR [Member] |
Member |
|
|
asx:SellUSToBuyMYRMember |
| 979 |
Sell US$/Buy SGD [Member] |
Member |
|
|
asx:SellUSToBuySGDMember |
| 980 |
Range [axis] |
Axis |
|
|
ifrs-full:RangeAxis |
| 981 |
Ranges [member] |
Member |
|
|
ifrs-full:RangesMember |
| 982 |
Bottom of range [member] |
Member |
|
|
ifrs-full:BottomOfRangeMember |
| 983 |
Top of range [member] |
Member |
|
|
ifrs-full:TopOfRangeMember |
| 984 |
Disclosure of detailed information about financial instruments [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfFinancialInstrumentsLineItems |
| 985 |
Maturity Period |
Concept (Year/Month) |
For Period |
|
asx:ContractsMaturityPeriod |
| 986 |
Notional Amount |
Concept (Monetary) |
As Of |
|
ifrs-full:NotionalAmount |
| 987 |
1094 - Disclosure - Financial Assets at Fair Value Through Other Comprehensive Income - Summary of Financial Assets at Fair Value Through Other Comprehensive Income (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeSummaryOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncome |
| 988 |
Implied Table |
Table |
* |
* |
implied:Table |
| 989 |
Financial assets at fair value through other comprehensive income [abstract] |
Abstract |
|
|
ifrs-full:FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeAbstract |
| 990 |
Investments in equity instruments at FVTOCI |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:FairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncome |
| 991 |
Investments in debt instruments at FVTOCI |
Concept (Monetary) |
As Of |
Debit |
asx:FairValueOfInvestmentsInDebtInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncome |
| 992 |
Total |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:FinancialAssetsAtFairValueThroughOtherComprehensiveIncome |
| 993 |
1095 - Disclosure - Financial Assets at Fair Value Through Other Comprehensive Income - Summary of Investments in Equity Instruments at Fair Value Through Other Comprehensive Income (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeSummaryOfInvestmentsInEquityInstrumentsAtFairValueThroughOtherComprehensiveIncome |
| 994 |
Disclosure of fair value of investments in equity instruments designated at fair value through other comprehensive income [table] |
Table |
* |
* |
ifrs-full:DisclosureOfFairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeTable |
| 995 |
Categories of financial assets [axis] |
Axis |
|
|
ifrs-full:CategoriesOfFinancialAssetsAxis |
| 996 |
Financial assets, category [member] |
Member |
|
|
ifrs-full:FinancialAssetsCategoryMember |
| 997 |
Unquoted ordinary shares [member] |
Member |
|
|
asx:UnquotedOrdinarySharesMember |
| 998 |
Limited partnership [member] |
Member |
|
|
asx:LimitedPartnershipMember |
| 999 |
Unquoted preferred shares [member] |
Member |
|
|
asx:UnquotedPreferredSharesMember |
| 1000 |
Disclosure of fair value of investments in equity instruments designated at fair value through other comprehensive income [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfFairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeLineItems |
| 1001 |
Investments in equity instruments at FVTOCI |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:FairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncome |
| 1002 |
1096 - Disclosure - Financial Assets at Fair Value Through Other Comprehensive Income - Summary of Investments in Debt Instruments at Fair Value Through Other Comprehensive Income (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeSummaryOfInvestmentsInDebtInstrumentsAtFairValueThroughOtherComprehensiveIncome |
| 1003 |
Financial assets at fair value through other comprehensive income [table] |
Table |
* |
* |
asx:FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeTable |
| 1004 |
Categories of financial assets [axis] |
Axis |
|
|
ifrs-full:CategoriesOfFinancialAssetsAxis |
| 1005 |
Financial assets, category [member] |
Member |
|
|
ifrs-full:FinancialAssetsCategoryMember |
| 1006 |
Unsecured subordinate corporate bonds [member] |
Member |
|
|
asx:UnsecuredSubordinateCorporateBondsMember |
| 1007 |
Financial assets at fair value through other comprehensive income [line items] |
LineItems |
|
|
asx:FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeLineItems |
| 1008 |
Investments in debt instruments at FVTOCI |
Concept (Monetary) |
As Of |
Debit |
asx:FairValueOfInvestmentsInDebtInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncome |
| 1009 |
1097 - Disclosure - Financial Assets at Fair Value Through Other Comprehensive Income - Additional Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeAdditionalInformation |
| 1010 |
Financial assets at fair value through other comprehensive income [table] |
Table |
* |
* |
asx:FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeTable |
| 1011 |
Categories of financial assets [axis] |
Axis |
|
|
ifrs-full:CategoriesOfFinancialAssetsAxis |
| 1012 |
Financial assets, category [member] |
Member |
|
|
ifrs-full:FinancialAssetsCategoryMember |
| 1013 |
Unsecured subordinate corporate bonds [member] |
Member |
|
|
asx:UnsecuredSubordinateCorporateBondsMember |
| 1014 |
Financial assets at fair value through other comprehensive income [line items] |
LineItems |
|
|
asx:FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeLineItems |
| 1015 |
Unsecured subordinate corporate bonds amount |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:OtherFinancialAssets |
| 1016 |
Number of bonds acquired |
Concept (Decimal) |
For Period |
|
asx:NumberOfBondsAcquired |
| 1017 |
Corporate bonds annual interest rate |
Concept (Percent) |
As Of |
|
asx:InterestRateOnUnsecuredSubordinateCorporateBonds |
| 1018 |
Effective interest rate |
Concept (Percent) |
As Of |
|
ifrs-full:EffectiveInterestRateOfFinancialAssetsReclassifiedOutOfAvailableforsaleFinancialAssets |
| 1019 |
1098 - Disclosure - Available-for-sale Financial Assets - Summary of Available-for-sale Financial Assets (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureAvailableforsaleFinancialAssetsSummaryOfAvailableforsaleFinancialAssets |
| 1020 |
Disclosure of financial assets [table] |
Table |
* |
* |
ifrs-full:DisclosureOfFinancialAssetsTable |
| 1021 |
Categories of financial assets [axis] |
Axis |
|
|
ifrs-full:CategoriesOfFinancialAssetsAxis |
| 1022 |
Financial assets, category [member] |
Member |
|
|
ifrs-full:FinancialAssetsCategoryMember |
| 1023 |
Unquoted ordinary shares [member] |
Member |
|
|
asx:UnquotedOrdinarySharesMember |
| 1024 |
Quoted ordinary shares [member] |
Member |
|
|
asx:QuotedOrdinarySharesMember |
| 1025 |
Limited partnership [member] |
Member |
|
|
asx:LimitedPartnershipMember |
| 1026 |
Unquoted preferred shares [member] |
Member |
|
|
asx:UnquotedPreferredSharesMember |
| 1027 |
Open-end mutual funds [member] |
Member |
|
|
ifrs-full:InvestmentFundsMember |
| 1028 |
Disclosure of financial assets [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfFinancialAssetsLineItems |
| 1029 |
Available-for-sale financial assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:FinancialAssetsAvailableforsale |
| 1030 |
Current |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CurrentFinancialAssetsAvailableforsale |
| 1031 |
Non-current |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:NoncurrentFinancialAssetsAvailableforsale |
| 1032 |
1099 - Disclosure - Trade Receivables, Net - Summary of Trade Receivables, Net (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureTradeReceivablesNetSummaryOfTradeReceivablesNet |
| 1033 |
Disclosure of financial assets [table] |
Table |
* |
* |
ifrs-full:DisclosureOfFinancialAssetsTable |
| 1034 |
Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] |
Axis |
|
|
ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis |
| 1035 |
Carrying amount [member] |
Member |
|
|
ifrs-full:CarryingAmountMember |
| 1036 |
Cost [member] |
Member |
|
|
ifrs-full:GrossCarryingAmountMember |
| 1037 |
Allowance for doubtful debts [member] |
Member |
|
|
ifrs-full:AllowanceForCreditLossesMember |
| 1038 |
Disclosure of financial assets [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfFinancialAssetsLineItems |
| 1039 |
Trade receivables |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CurrentTradeReceivables |
| 1040 |
1100 - Disclosure - Trade Receivables, Net - Additional Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureTradeReceivablesNetAdditionalInformation |
| 1041 |
Disclosure of financial assets [table] |
Table |
* |
* |
ifrs-full:DisclosureOfFinancialAssetsTable |
| 1042 |
Range [axis] |
Axis |
|
|
ifrs-full:RangeAxis |
| 1043 |
Ranges [member] |
Member |
|
|
ifrs-full:RangesMember |
| 1044 |
Bottom of range [member] |
Member |
|
|
ifrs-full:BottomOfRangeMember |
| 1045 |
Top of range [member] |
Member |
|
|
ifrs-full:TopOfRangeMember |
| 1046 |
Disclosure of financial assets [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfFinancialAssetsLineItems |
| 1047 |
Average credit terms |
Concept (xbrli:durationItemType) |
For Period |
|
asx:AverageCreditTerms |
| 1048 |
1101 - Disclosure - Trade Receivables, Net - Summary of Loss Allowance of Trade Receivables Based on Group's Provision Matrix (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureTradeReceivablesNetSummaryOfLossAllowanceOfTradeReceivablesBasedOnGroupsProvisionMatrix |
| 1049 |
Disclosure of provision matrix [table] |
Table |
* |
* |
ifrs-full:DisclosureOfProvisionMatrixTable |
| 1050 |
Past due status [axis] |
Axis |
|
|
ifrs-full:PastDueStatusAxis |
| 1051 |
Past due status [member] |
Member |
|
|
ifrs-full:PastDueStatusMember |
| 1052 |
Not past due [member] |
Member |
|
|
ifrs-full:CurrentMember |
| 1053 |
Less than 1 month [member] |
Member |
|
|
ifrs-full:NotLaterThanOneMonthMember |
| 1054 |
1 to 3 months [member] |
Member |
|
|
ifrs-full:LaterThanOneMonthAndNotLaterThanThreeMonthsMember |
| 1055 |
More than 91 days [member] |
Member |
|
|
ifrs-full:LaterThanThreeMonthsMember |
| 1056 |
Individually impaired [member] |
Member |
|
|
asx:IndividuallyImpairedMember |
| 1057 |
Classes of financial instruments [axis] |
Axis |
|
|
ifrs-full:ClassesOfFinancialInstrumentsAxis |
| 1058 |
Financial instruments, class [member] |
Member |
|
|
ifrs-full:ClassesOfFinancialInstrumentsMember |
| 1059 |
Trade receivables [member] |
Member |
|
|
ifrs-full:TradeReceivablesMember |
| 1060 |
Range [axis] |
Axis |
|
|
ifrs-full:RangeAxis |
| 1061 |
Ranges [member] |
Member |
|
|
ifrs-full:RangesMember |
| 1062 |
Bottom of range [member] |
Member |
|
|
ifrs-full:BottomOfRangeMember |
| 1063 |
Top of range [member] |
Member |
|
|
ifrs-full:TopOfRangeMember |
| 1064 |
Disclosure of provision matrix [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfProvisionMatrixLineItems |
| 1065 |
Expected credit loss rate |
Concept (Percent) |
As Of |
|
ifrs-full:ExpectedCreditLossRate |
| 1066 |
Gross carrying amount |
Concept (Monetary) |
As Of |
Debit |
asx:GrossCarryingAmountOfFinancialAssets |
| 1067 |
Loss allowance (Lifetime ECL) |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:AllowanceAccountForCreditLossesOfFinancialAssets |
| 1068 |
Amortized cost |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CurrentFinancialAssetsAtAmortisedCost |
| 1069 |
1102 - Disclosure - Trade Receivables, Net - Summary of Movements of Loss Allowance of Trade Receivables (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureTradeReceivablesNetSummaryOfMovementsOfLossAllowanceOfTradeReceivables |
| 1070 |
Disclosure of financial assets [table] |
Table |
* |
* |
ifrs-full:DisclosureOfFinancialAssetsTable |
| 1071 |
Classes of financial assets [axis] |
Axis |
|
|
ifrs-full:ClassesOfFinancialAssetsAxis |
| 1072 |
Financial assets, class [member] |
Member |
|
|
ifrs-full:FinancialAssetsMember |
| 1073 |
Trade receivables [member] |
Member |
|
|
ifrs-full:TradeReceivablesMember |
| 1074 |
Disclosure of financial assets [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfFinancialAssetsLineItems |
| 1075 |
Beginning balance |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:AllowanceAccountForCreditLossesOfFinancialAssets |
| 1076 |
Net remeasurement of loss allowance |
Concept (Monetary) |
For Period |
Credit |
asx:IncreaseDecreaseThroughNetRemeasurementOfLossAllowanceAllowanceAccountForCreditLossesOfFinancialAssets |
| 1077 |
Acquisition through business combinations |
Concept (Monetary) |
For Period |
Credit |
asx:IncreaseDecreaseThroughAcquisitionThroughBusinessCombinationsAllowanceAccountForCreditLossesOfFinancialAssets |
| 1078 |
Amounts written off |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:UtilisationAllowanceAccountForCreditLossesOfFinancialAssets |
| 1079 |
Effects of foreign currency exchange differences |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesAllowanceAccountForCreditLossesOfFinancialAssets |
| 1080 |
Ending balance |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:AllowanceAccountForCreditLossesOfFinancialAssets |
| 1081 |
1103 - Disclosure - Trade Receivables, Net - Summary of Aging of Receivables Based on Past Due Date (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureTradeReceivablesNetSummaryOfAgingOfReceivablesBasedOnPastDueDate |
| 1082 |
Disclosure of financial assets [table] |
Table |
* |
* |
ifrs-full:DisclosureOfFinancialAssetsTable |
| 1083 |
Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] |
Axis |
|
|
ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis |
| 1084 |
Carrying amount [member] |
Member |
|
|
ifrs-full:CarryingAmountMember |
| 1085 |
Cost [member] |
Member |
|
|
ifrs-full:GrossCarryingAmountMember |
| 1086 |
Past due status [axis] |
Axis |
|
|
ifrs-full:PastDueStatusAxis |
| 1087 |
Past due status [member] |
Member |
|
|
ifrs-full:PastDueStatusMember |
| 1088 |
Not past due [member] |
Member |
|
|
ifrs-full:CurrentMember |
| 1089 |
Less than 1 month [member] |
Member |
|
|
ifrs-full:NotLaterThanOneMonthMember |
| 1090 |
1 to 3 months [member] |
Member |
|
|
ifrs-full:LaterThanOneMonthAndNotLaterThanThreeMonthsMember |
| 1091 |
More than 91 days [member] |
Member |
|
|
ifrs-full:LaterThanThreeMonthsMember |
| 1092 |
Disclosure of financial assets [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfFinancialAssetsLineItems |
| 1093 |
Trade receivables |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CurrentTradeReceivables |
| 1094 |
1104 - Disclosure - Trade Receivables, Net - Summary of Aging of Receivables Past Due but Not Impaired (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureTradeReceivablesNetSummaryOfAgingOfReceivablesPastDueButNotImpaired |
| 1095 |
Disclosure of financial assets that are either past due or impaired [table] |
Table |
* |
* |
ifrs-full:DisclosureOfFinancialAssetsThatAreEitherPastDueOrImpairedTable |
| 1096 |
Impairment of financial assets [axis] |
Axis |
|
|
ifrs-full:ImpairmentOfFinancialAssetsAxis |
| 1097 |
Entity's total for impairment of financial assets [member] |
Member |
|
|
ifrs-full:EntitysTotalForImpairmentOfFinancialAssetsMember |
| 1098 |
Past due but not impaired [member] |
Member |
|
|
ifrs-full:FinancialAssetsPastDueButNotImpairedMember |
| 1099 |
Past due status [axis] |
Axis |
|
|
ifrs-full:PastDueStatusAxis |
| 1100 |
Past due status [member] |
Member |
|
|
ifrs-full:PastDueStatusMember |
| 1101 |
1 to 30 days [member] |
Member |
|
|
asx:LessThanOneMonthMember |
| 1102 |
1 to 3 months [member] |
Member |
|
|
ifrs-full:LaterThanOneMonthAndNotLaterThanThreeMonthsMember |
| 1103 |
Disclosure of financial assets that are either past due or impaired [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfFinancialAssetsThatAreEitherPastDueOrImpairedLineItems |
| 1104 |
Trade receivables |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CurrentTradeReceivables |
| 1105 |
1105 - Disclosure - Trade Receivables, Net - Summary of Movement of Allowance for Doubtful Trade Receivables (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureTradeReceivablesNetSummaryOfMovementOfAllowanceForDoubtfulTradeReceivables |
| 1106 |
Disclosure of financial assets [table] |
Table |
* |
* |
ifrs-full:DisclosureOfFinancialAssetsTable |
| 1107 |
Classes of financial assets [axis] |
Axis |
|
|
ifrs-full:ClassesOfFinancialAssetsAxis |
| 1108 |
Financial assets, class [member] |
Member |
|
|
ifrs-full:FinancialAssetsMember |
| 1109 |
Trade receivables [member] |
Member |
|
|
ifrs-full:TradeReceivablesMember |
| 1110 |
Method of assessment of expected credit losses [axis] |
Axis |
|
|
ifrs-full:MethodOfAssessmentOfExpectedCreditLossesAxis |
| 1111 |
Method of assessment of expected credit losses [member] |
Member |
|
|
ifrs-full:MethodOfAssessmentOfExpectedCreditLossesMember |
| 1112 |
Impaired individually [member] |
Member |
|
|
ifrs-full:ExpectedCreditLossesIndividuallyAssessedMember |
| 1113 |
Impaired collectively [member] |
Member |
|
|
ifrs-full:ExpectedCreditLossesCollectivelyAssessedMember |
| 1114 |
Disclosure of financial assets [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfFinancialAssetsLineItems |
| 1115 |
Beginning balance |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:AllowanceAccountForCreditLossesOfFinancialAssets |
| 1116 |
Impairment losses recognized |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss |
| 1117 |
Amounts written off |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:UtilisationAllowanceAccountForCreditLossesOfFinancialAssets |
| 1118 |
Effect of foreign currency exchange differences |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesAllowanceAccountForCreditLossesOfFinancialAssets |
| 1119 |
Ending balance |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:AllowanceAccountForCreditLossesOfFinancialAssets |
| 1120 |
1106 - Disclosure - Inventories - Summary of Inventories (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureInventoriesSummaryOfInventories |
| 1121 |
Implied Table |
Table |
* |
* |
implied:Table |
| 1122 |
Classes of current inventories [abstract] |
Abstract |
|
|
ifrs-full:ClassesOfInventoriesAbstract |
| 1123 |
Finished goods |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:FinishedGoods |
| 1124 |
Work in process |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:WorkInProgress |
| 1125 |
Raw materials |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:RawMaterials |
| 1126 |
Supplies |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:ProductionSupplies |
| 1127 |
Raw materials and supplies in transit |
Concept (Monetary) |
As Of |
Debit |
asx:InventoriesInTransit |
| 1128 |
Inventories |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:Inventories |
| 1129 |
1107 - Disclosure - Inventories - Additional Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureInventoriesAdditionalInformation |
| 1130 |
Implied Table |
Table |
* |
* |
implied:Table |
| 1131 |
Classes of current inventories [abstract] |
Abstract |
|
|
ifrs-full:ClassesOfInventoriesAbstract |
| 1132 |
Cost of inventories recognized as operating costs |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:CostOfInventoriesRecognisedAsExpenseDuringPeriod |
| 1133 |
Write-downs of inventories |
Concept (Monetary) |
For Period |
|
ifrs-full:InventoryWritedown2011 |
| 1134 |
1108 - Disclosure - Inventories Related to Real Estate Business - Summary of Inventories Related to Real Estate Business (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureInventoriesRelatedToRealEstateBusinessSummaryOfInventoriesRelatedToRealEstateBusiness |
| 1135 |
Disclosure of detailed information about property, plant and equipment [table] |
Table |
* |
* |
ifrs-full:DisclosureOfPropertyPlantAndEquipmentTable |
| 1136 |
Classes of property, plant and equipment [axis] |
Axis |
|
|
ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis |
| 1137 |
Property, plant and equipment [member] |
Member |
|
|
ifrs-full:PropertyPlantAndEquipmentMember |
| 1138 |
Land and buildings held for sale [member] |
Member |
|
|
asx:LandAndBuildingsHeldForSaleMember |
| 1139 |
Construction in progress and machinery in transit [member] |
Member |
|
|
ifrs-full:ConstructionInProgressMember |
| 1140 |
Land held for construction [member] |
Member |
|
|
asx:LandHeldForConstructionMember |
| 1141 |
Disclosure of detailed information about property, plant and equipment [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems |
| 1142 |
Inventories related to real estate business |
Concept (Monetary) |
As Of |
Debit |
asx:InventoriesRelatedToRealEstateBusiness |
| 1143 |
1109 - Disclosure - Inventories Related to Real Estate Business - Additional Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureInventoriesRelatedToRealEstateBusinessAdditionalInformation |
| 1144 |
Disclosure of detailed information about property, plant and equipment [table] |
Table |
* |
* |
ifrs-full:DisclosureOfPropertyPlantAndEquipmentTable |
| 1145 |
Reclassified items [axis] |
Axis |
|
|
ifrs-full:ReclassifiedItemsAxis |
| 1146 |
Reclassified items [member] |
Member |
|
|
ifrs-full:ReclassifiedItemsMember |
| 1147 |
Reclassified of buildings and land use right under the line item of "inventories related to real estate - construction in progress" [Member] |
Member |
|
|
asx:ReclassificationAdjustmentMember |
| 1148 |
Disclosure of detailed information about property, plant and equipment [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems |
| 1149 |
Investment properties |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:InvestmentProperty |
| 1150 |
Long-term prepayments for lease |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:NoncurrentPrepayments |
| 1151 |
Inventories related to real estate business expected to be recovered longer than twelve months |
Concept (Monetary) |
As Of |
Debit |
asx:InventoriesRelatedToRealEstateBusinessNoncurrent |
| 1152 |
1110 - Disclosure - Other Financial Assets - Summary of Other Financial Assets (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureOtherFinancialAssetsSummaryOfOtherFinancialAssets |
| 1153 |
Disclosure of financial assets [table] |
Table |
* |
* |
ifrs-full:DisclosureOfFinancialAssetsTable |
| 1154 |
Categories of financial assets [axis] |
Axis |
|
|
ifrs-full:CategoriesOfFinancialAssetsAxis |
| 1155 |
Financial assets, category [member] |
Member |
|
|
ifrs-full:FinancialAssetsCategoryMember |
| 1156 |
Time deposits with original maturity of over three months [member] |
Member |
|
|
asx:TimeDepositsMember |
| 1157 |
Guaranty deposits [member] |
Member |
|
|
asx:GuarantyDepositsMember |
| 1158 |
Pledged time deposits [member] |
Member |
|
|
asx:PledgedTimeDepositsMember |
| 1159 |
Unsecured subordinate corporate bonds [member] |
Member |
|
|
asx:UnsecuredSubordinateCorporateBondsMember |
| 1160 |
Others [member] |
Member |
|
|
asx:OtherFinancialAssetMember |
| 1161 |
Disclosure of financial assets [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfFinancialAssetsLineItems |
| 1162 |
Other financial assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:OtherFinancialAssets |
| 1163 |
Current |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:OtherCurrentFinancialAssets |
| 1164 |
Non-current |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:OtherNoncurrentFinancialAssets |
| 1165 |
1111 - Disclosure - Investments Accounted for Using the Equity Method - Summary of Investments Accounted for Using the Equity Method (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureInvestmentsAccountedForUsingTheEquityMethodSummaryOfInvestmentsAccountedForUsingTheEquityMethod |
| 1166 |
Implied Table |
Table |
* |
* |
implied:Table |
| 1167 |
Investments in subsidiaries, joint ventures and associates [abstract] |
Abstract |
|
|
ifrs-full:InvestmentsInSubsidiariesJointVenturesAndAssociatesAbstract |
| 1168 |
Investments in associates |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:InvestmentsInAssociates |
| 1169 |
Investments in joint venture |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:InvestmentsInJointVentures |
| 1170 |
Investments accounted for using the equity method |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:InvestmentAccountedForUsingEquityMethod |
| 1171 |
1112 - Disclosure - Investments Accounted for Using the Equity Method - Summary of Investments in Associates Accounted for Using the Equity Method (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureInvestmentsAccountedForUsingTheEquityMethodSummaryOfInvestmentsInAssociatesAccountedForUsingTheEquityMethod |
| 1172 |
Disclosure of associates [table] |
Table |
* |
* |
ifrs-full:DisclosureOfSignificantInvestmentsInAssociatesTable |
| 1173 |
Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] |
Axis |
|
|
ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis |
| 1174 |
Carrying amount [member] |
Member |
|
|
ifrs-full:CarryingAmountMember |
| 1175 |
Cost [member] |
Member |
|
|
ifrs-full:GrossCarryingAmountMember |
| 1176 |
Deferred gain on transfer of land [member] |
Member |
|
|
asx:DeferredGainOnTransferOfLandMember |
| 1177 |
Associates [axis] |
Axis |
|
|
ifrs-full:SignificantInvestmentsInAssociatesAxis |
| 1178 |
Entity's total for associates [member] |
Member |
|
|
ifrs-full:EntitysTotalForAssociatesMember |
| 1179 |
Siliconware Precision Industries Co., Ltd. [member] |
Member |
|
|
asx:SiliconwarePrecisionIndustriesCoLtdMember |
| 1180 |
Deca Technologies Inc. [member] |
Member |
|
|
asx:DecaTechnologiesIncMember |
| 1181 |
Hung Ching Development & Construction Co. [member] |
Member |
|
|
asx:HungChingDevelopmentAndConstructionCoMember |
| 1182 |
Hung Ching Kwan Co. [member] |
Member |
|
|
asx:HungChingKwanCoMember |
| 1183 |
Advanced Microelectronic Products Inc. [member] |
Member |
|
|
asx:AdvancedMicroelectronicProductsIncMember |
| 1184 |
ChipMos Technologies Inc [member] |
Member |
|
|
asx:ChipMosTechnologiesIncMember |
| 1185 |
Yann Yuan Investment Co., Ltd. [member] |
Member |
|
|
asx:YannYuanInvestmentCoLtdMember |
| 1186 |
Disclosure of associates and joint ventures [line items] |
LineItems |
|
|
asx:DisclosureOfAssociatesAndJointVenturesLineItems |
| 1187 |
Main Business |
Concept (Text/String) |
For Period |
|
ifrs-full:DescriptionOfNatureOfEntitysOperationsAndPrincipalActivities |
| 1188 |
Operating Location |
Concept (Text/String) |
For Period |
|
ifrs-full:PrincipalPlaceOfBusinessOfAssociate |
| 1189 |
Investments in associates |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:InvestmentsInAssociates |
| 1190 |
Percentages of ownership held by the Group |
Concept (Percent) |
For Period |
|
ifrs-full:ProportionOfOwnershipInterestInAssociate |
| 1191 |
1113 - Disclosure - Investments Accounted for Using the Equity Method - Additional Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureInvestmentsAccountedForUsingTheEquityMethodAdditionalInformation |
| 1192 |
Disclosure of Investments Accounted for Using Equity Method [table] |
Table |
* |
* |
asx:DisclosureOfInvestmentsAccountedForUsingEquityMethodTable |
| 1193 |
Joint ventures [axis] |
Axis |
|
|
ifrs-full:JointVenturesAxis |
| 1194 |
Entity's total for joint ventures [member] |
Member |
|
|
ifrs-full:EntitysTotalForJointVenturesMember |
| 1195 |
ASE Embedded Electronics Inc. [member] |
Member |
|
|
asx:ASEEmbeddedElectronicsIncMember |
| 1196 |
Associates [axis] |
Axis |
|
|
ifrs-full:SignificantInvestmentsInAssociatesAxis |
| 1197 |
Entity's total for associates [member] |
Member |
|
|
ifrs-full:EntitysTotalForAssociatesMember |
| 1198 |
Siliconware Precision Industries Co., Ltd. [member] |
Member |
|
|
asx:SiliconwarePrecisionIndustriesCoLtdMember |
| 1199 |
ChipMos Technologies Inc [member] |
Member |
|
|
asx:ChipMosTechnologiesIncMember |
| 1200 |
Deca Technologies Inc. [member] |
Member |
|
|
asx:DecaTechnologiesIncMember |
| 1201 |
Non-adjusting events after reporting period [axis] |
Axis |
|
|
ifrs-full:NonadjustingEventsAfterReportingPeriodAxis |
| 1202 |
Non-adjusting events after reporting period [member] |
Member |
|
|
ifrs-full:NonadjustingEventsMember |
| 1203 |
Major ordinary share transactions [member] |
Member |
|
|
ifrs-full:MajorOrdinaryShareTransactionsMember |
| 1204 |
Range [axis] |
Axis |
|
|
ifrs-full:RangeAxis |
| 1205 |
Ranges [member] |
Member |
|
|
ifrs-full:RangesMember |
| 1206 |
Bottom of range [member] |
Member |
|
|
ifrs-full:BottomOfRangeMember |
| 1207 |
Top of range [member] |
Member |
|
|
ifrs-full:TopOfRangeMember |
| 1208 |
Disclosure of Investments Accounted for Using Equity Method [line Items] |
LineItems |
|
|
asx:DisclosureOfInvestmentsAccountedForUsingEquityMethodLineItems |
| 1209 |
Gain recognized from remeasuring fair value of equity interest before business combination |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:GainLossRecognisedAsResultOfRemeasuringToFairValueEquityInterestInAcquireeHeldByAcquirerBeforeBusinessCombination |
| 1210 |
Percentage acquisition of shareholding |
Concept (Percent) |
As Of |
|
ifrs-full:PercentageOfVotingEquityInterestsAcquired |
| 1211 |
Ordinary shares acquired |
Concept (Monetary) |
For Period |
Debit |
asx:OrdinarySharesAcquired |
| 1212 |
Consideration paid in cash for shares |
Concept (Monetary) |
For Period |
Credit |
asx:ConsiderationPaidInCash |
| 1213 |
Percentage of ownership interest in associate |
Concept (Percent) |
For Period |
|
ifrs-full:ProportionOfOwnershipInterestInAssociate |
| 1214 |
Assets discount rate |
Concept (Percent) |
For Period |
|
asx:AssetsDiscountRate |
| 1215 |
Impairment losses on financial assets |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ImpairmentLossOnFinancialAssets |
| 1216 |
Percentage of ownership interest in joint venture |
Concept (Percent) |
For Period |
|
ifrs-full:ProportionOfOwnershipInterestInJointVenture |
| 1217 |
1114 - Disclosure - Investments Accounted for Using the Equity Method - Summary of Fair Values of Investments in Associates with Available Published Price Quotation (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureInvestmentsAccountedForUsingTheEquityMethodSummaryOfFairValuesOfInvestmentsInAssociatesWithAvailablePublishedPriceQuotation |
| 1218 |
Disclosure of associates [table] |
Table |
* |
* |
ifrs-full:DisclosureOfSignificantInvestmentsInAssociatesTable |
| 1219 |
Levels of fair value hierarchy [axis] |
Axis |
|
|
ifrs-full:LevelsOfFairValueHierarchyAxis |
| 1220 |
All levels of fair value hierarchy [member] |
Member |
|
|
ifrs-full:AllLevelsOfFairValueHierarchyMember |
| 1221 |
Level 1 of fair value hierarchy [member] |
Member |
|
|
ifrs-full:Level1OfFairValueHierarchyMember |
| 1222 |
Associates [axis] |
Axis |
|
|
ifrs-full:SignificantInvestmentsInAssociatesAxis |
| 1223 |
Entity's total for associates [member] |
Member |
|
|
ifrs-full:EntitysTotalForAssociatesMember |
| 1224 |
Siliconware Precision Industries Co., Ltd. [member] |
Member |
|
|
asx:SiliconwarePrecisionIndustriesCoLtdMember |
| 1225 |
Hung Ching Development & Construction Co. [member] |
Member |
|
|
asx:HungChingDevelopmentAndConstructionCoMember |
| 1226 |
Advanced Microelectronic Products Inc. [member] |
Member |
|
|
asx:AdvancedMicroelectronicProductsIncMember |
| 1227 |
ChipMos Technologies Inc [member] |
Member |
|
|
asx:ChipMosTechnologiesIncMember |
| 1228 |
Disclosure of associates and joint ventures [line items] |
LineItems |
|
|
asx:DisclosureOfAssociatesAndJointVenturesLineItems |
| 1229 |
Fair value of investments in associates with available published price quotation |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:FairValueOfInvestmentsInAssociatesWherePriceQuotationsPublished |
| 1230 |
1115 - Disclosure - Investments Accounted for Using the Equity Method - Summarized Financial Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureInvestmentsAccountedForUsingTheEquityMethodSummarizedFinancialInformation |
| 1231 |
Disclosure of associates [table] |
Table |
* |
* |
ifrs-full:DisclosureOfSignificantInvestmentsInAssociatesTable |
| 1232 |
Associates [axis] |
Axis |
|
|
ifrs-full:SignificantInvestmentsInAssociatesAxis |
| 1233 |
Entity's total for associates [member] |
Member |
|
|
ifrs-full:EntitysTotalForAssociatesMember |
| 1234 |
Siliconware Precision Industries Co., Ltd. [member] |
Member |
|
|
asx:SiliconwarePrecisionIndustriesCoLtdMember |
| 1235 |
Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] |
Axis |
|
|
ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis |
| 1236 |
Carrying amount [member] |
Member |
|
|
ifrs-full:CarryingAmountMember |
| 1237 |
Cost [member] |
Member |
|
|
ifrs-full:GrossCarryingAmountMember |
| 1238 |
Disclosure of associates and joint ventures [line items] |
LineItems |
|
|
asx:DisclosureOfAssociatesAndJointVenturesLineItems |
| 1239 |
Current assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CurrentAssets |
| 1240 |
Non-current assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:NoncurrentAssets |
| 1241 |
Current liabilities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:CurrentLiabilities |
| 1242 |
Non-current liabilities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:NoncurrentLiabilities |
| 1243 |
Equity |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Equity |
| 1244 |
Proportion of the Group's ownership interest in SPIL |
Concept (Percent) |
For Period |
|
ifrs-full:ProportionOfOwnershipInterestInAssociate |
| 1245 |
Net assets attributable to the Group |
Concept (Monetary) |
As Of |
Debit |
asx:ShareOfNetAssetsOfAssociate |
| 1246 |
Goodwill |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:Goodwill |
| 1247 |
Carrying amount |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:InvestmentsInAssociates |
| 1248 |
Operating revenue |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:Revenue |
| 1249 |
Gross profit |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:GrossProfit |
| 1250 |
Profit before income tax |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLossBeforeTax |
| 1251 |
Net profit |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLoss |
| 1252 |
Other comprehensive income (loss) |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:OtherComprehensiveIncome |
| 1253 |
Total comprehensive income |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ComprehensiveIncome |
| 1254 |
Cash dividends received from SPIL |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:DividendsReceived |
| 1255 |
1116 - Disclosure - Investments Accounted for Using the Equity Method - Summary of Aggregate Information of Associates that are Not Individually Material (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureInvestmentsAccountedForUsingTheEquityMethodSummaryOfAggregateInformationOfAssociatesThatAreNotIndividuallyMaterial |
| 1256 |
Disclosure of associates [table] |
Table |
* |
* |
ifrs-full:DisclosureOfSignificantInvestmentsInAssociatesTable |
| 1257 |
Associates [axis] |
Axis |
|
|
ifrs-full:SignificantInvestmentsInAssociatesAxis |
| 1258 |
Entity's total for associates [member] |
Member |
|
|
ifrs-full:EntitysTotalForAssociatesMember |
| 1259 |
Associates that are not individually material [member] |
Member |
|
|
ifrs-full:AggregatedIndividuallyImmaterialAssociatesMember |
| 1260 |
Disclosure of associates and joint ventures [line items] |
LineItems |
|
|
asx:DisclosureOfAssociatesAndJointVenturesLineItems |
| 1261 |
Net profit (loss) |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLoss |
| 1262 |
Other comprehensive income (loss) |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:OtherComprehensiveIncome |
| 1263 |
Total comprehensive loss |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ComprehensiveIncome |
| 1264 |
1117 - Disclosure - Investments Accounted for Using the Equity Method - Summary of Aggregate Information of the Joint Venture that is Not Individually Material (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureInvestmentsAccountedForUsingTheEquityMethodSummaryOfAggregateInformationOfTheJointVentureThatIsNotIndividuallyMaterial |
| 1265 |
Disclosure of joint ventures [table] |
Table |
* |
* |
ifrs-full:DisclosureOfJointVenturesTable |
| 1266 |
Joint ventures [axis] |
Axis |
|
|
ifrs-full:JointVenturesAxis |
| 1267 |
Entity's total for joint ventures [member] |
Member |
|
|
ifrs-full:EntitysTotalForJointVenturesMember |
| 1268 |
Joint venture that is not individually material [member] |
Member |
|
|
ifrs-full:AggregatedIndividuallyImmaterialJointVenturesMember |
| 1269 |
Disclosure of joint ventures [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfJointVenturesLineItems |
| 1270 |
The Group's share of net loss and total comprehensive loss for the year |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ShareOfProfitLossOfJointVenturesAccountedForUsingEquityMethod |
| 1271 |
1118 - Disclosure - Property, Plant and Equipment - Summary of Property, Plant and Equipment (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosurePropertyPlantAndEquipmentSummaryOfPropertyPlantAndEquipment |
| 1272 |
Disclosure of detailed information about property, plant and equipment [table] |
Table |
* |
* |
ifrs-full:DisclosureOfPropertyPlantAndEquipmentTable |
| 1273 |
Classes of property, plant and equipment [axis] |
Axis |
|
|
ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis |
| 1274 |
Property, plant and equipment [member] |
Member |
|
|
ifrs-full:PropertyPlantAndEquipmentMember |
| 1275 |
Land [member] |
Member |
|
|
ifrs-full:LandMember |
| 1276 |
Buildings and improvements [member] |
Member |
|
|
asx:BuildingsAndImprovementsMember |
| 1277 |
Machinery and equipment1 [member] |
Member |
|
|
asx:MachineryAndEquipment1Member |
| 1278 |
Other equipment [member] |
Member |
|
|
asx:OtherEquipmentMember |
| 1279 |
Construction in progress and machinery in transit [member] |
Member |
|
|
asx:ConstructionInProgressAndMachineryInTransitMember |
| 1280 |
Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] |
Axis |
|
|
ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis |
| 1281 |
Carrying amount [member] |
Member |
|
|
ifrs-full:CarryingAmountMember |
| 1282 |
Cost [member] |
Member |
|
|
ifrs-full:GrossCarryingAmountMember |
| 1283 |
Accumulated depreciation, amortisation and impairment [member] |
Member |
|
|
ifrs-full:AccumulatedDepreciationAmortisationAndImpairmentMember |
| 1284 |
Disclosure of detailed information about property, plant and equipment [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems |
| 1285 |
Beginning balance |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:PropertyPlantAndEquipment |
| 1286 |
Depreciation expense |
Concept (Monetary) |
For Period |
|
ifrs-full:DepreciationPropertyPlantAndEquipment |
| 1287 |
Additions |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment |
| 1288 |
Impairment losses recognized |
Concept (Monetary) |
For Period |
|
ifrs-full:ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment |
| 1289 |
Disposals |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:DisposalsPropertyPlantAndEquipment |
| 1290 |
Reclassification |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:IncreaseDecreaseThroughTransfersAndOtherChangesPropertyPlantAndEquipment |
| 1291 |
Acquisition through business combinations |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AcquisitionsThroughBusinessCombinationsPropertyPlantAndEquipment |
| 1292 |
Effect of foreign currency exchange differences |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment |
| 1293 |
Ending balance |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:PropertyPlantAndEquipment |
| 1294 |
1119 - Disclosure - Property, Plant and Equipment - Additional Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosurePropertyPlantAndEquipmentAdditionalInformation |
| 1295 |
Disclosure of detailed information about property, plant and equipment [table] |
Table |
* |
* |
ifrs-full:DisclosureOfPropertyPlantAndEquipmentTable |
| 1296 |
Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] |
Axis |
|
|
ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis |
| 1297 |
Carrying amount [member] |
Member |
|
|
ifrs-full:CarryingAmountMember |
| 1298 |
Accumulated depreciation, amortisation and impairment [member] |
Member |
|
|
ifrs-full:AccumulatedDepreciationAmortisationAndImpairmentMember |
| 1299 |
Disclosure of detailed information about property, plant and equipment [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems |
| 1300 |
Impairment losses recognized property plant an equipment |
Concept (Monetary) |
For Period |
|
ifrs-full:ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment |
| 1301 |
1120 - Disclosure - Property, Plant and Equipment - Summary of Property, Plant and Equipment Depreciated Useful Lives (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosurePropertyPlantAndEquipmentSummaryOfPropertyPlantAndEquipmentDepreciatedUsefulLives |
| 1302 |
Disclosure of detailed information about property, plant and equipment [table] |
Table |
* |
* |
ifrs-full:DisclosureOfPropertyPlantAndEquipmentTable |
| 1303 |
Range [axis] |
Axis |
|
|
ifrs-full:RangeAxis |
| 1304 |
Ranges [member] |
Member |
|
|
ifrs-full:RangesMember |
| 1305 |
Bottom of range [member] |
Member |
|
|
ifrs-full:BottomOfRangeMember |
| 1306 |
Top of range [member] |
Member |
|
|
ifrs-full:TopOfRangeMember |
| 1307 |
Classes of property, plant and equipment [axis] |
Axis |
|
|
ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis |
| 1308 |
Property, plant and equipment [member] |
Member |
|
|
ifrs-full:PropertyPlantAndEquipmentMember |
| 1309 |
Main plant buildings [Member] |
Member |
|
|
asx:MainBuildingsMember |
| 1310 |
Cleanrooms [Member] |
Member |
|
|
asx:CleanRoomsMember |
| 1311 |
Others [Member] |
Member |
|
|
ifrs-full:OtherPropertyPlantAndEquipmentMember |
| 1312 |
Machinery and equipment1 [member] |
Member |
|
|
asx:MachineryAndEquipment1Member |
| 1313 |
Other equipment [member] |
Member |
|
|
asx:OtherEquipmentMember |
| 1314 |
Disclosure of detailed information about property, plant and equipment [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems |
| 1315 |
Property, plant and equipment useful lives |
Concept (Text/String) |
For Period |
|
ifrs-full:UsefulLivesOrDepreciationRatesPropertyPlantAndEquipment |
| 1316 |
1121 - Disclosure - Investment Properties - Summary of Investment Properties (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureInvestmentPropertiesSummaryOfInvestmentProperties |
| 1317 |
Disclosure of detailed information about investment property [table] |
Table |
* |
* |
ifrs-full:DisclosureOfInvestmentPropertyTable |
| 1318 |
Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] |
Axis |
|
|
ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis |
| 1319 |
Carrying amount [member] |
Member |
|
|
ifrs-full:CarryingAmountMember |
| 1320 |
Cost [member] |
Member |
|
|
ifrs-full:GrossCarryingAmountMember |
| 1321 |
Accumulated depreciation, amortisation and impairment [member] |
Member |
|
|
ifrs-full:AccumulatedDepreciationAmortisationAndImpairmentMember |
| 1322 |
Classes of property, plant and equipment [axis] |
Axis |
|
|
ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis |
| 1323 |
Property, plant and equipment [member] |
Member |
|
|
ifrs-full:PropertyPlantAndEquipmentMember |
| 1324 |
Land [member] |
Member |
|
|
ifrs-full:LandMember |
| 1325 |
Buildings and improvements [member] |
Member |
|
|
asx:BuildingsAndImprovementsMember |
| 1326 |
Disclosure of detailed information about investment property [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfInvestmentPropertyLineItems |
| 1327 |
Beginning balance |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:InvestmentProperty |
| 1328 |
Additions |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AcquisitionsThroughBusinessCombinationsInvestmentProperty |
| 1329 |
Depreciation expenses |
Concept (Monetary) |
For Period |
|
ifrs-full:DepreciationInvestmentProperty |
| 1330 |
Disposals |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:DisposalsInvestmentProperty |
| 1331 |
Transferred from inventories related to real estate business and property, plant and equipment |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:TransferFromToInventoriesAndOwnerOccupiedPropertyInvestmentProperty |
| 1332 |
Effects of foreign currency exchange differences |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesInvestmentProperty |
| 1333 |
Ending balance |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:InvestmentProperty |
| 1334 |
1122 - Disclosure - Investment Properties - Investment Properties Depreciated on a Straight-Line Basis Over Useful Lives (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureInvestmentPropertiesInvestmentPropertiesDepreciatedOnAStraightLineBasisOverUsefulLives |
| 1335 |
Disclosure of detailed information about investment property [table] |
Table |
* |
* |
ifrs-full:DisclosureOfInvestmentPropertyTable |
| 1336 |
Range [axis] |
Axis |
|
|
ifrs-full:RangeAxis |
| 1337 |
Ranges [member] |
Member |
|
|
ifrs-full:RangesMember |
| 1338 |
Bottom of range [member] |
Member |
|
|
ifrs-full:BottomOfRangeMember |
| 1339 |
Top of range [member] |
Member |
|
|
ifrs-full:TopOfRangeMember |
| 1340 |
Types of investment property [axis] |
Axis |
|
|
ifrs-full:TypesOfInvestmentPropertyAxis |
| 1341 |
Investment properties [member] |
Member |
|
|
ifrs-full:InvestmentPropertyMember |
| 1342 |
Main plant buildings [Member] |
Member |
|
|
asx:MainBuildingsMember |
| 1343 |
Other Investment Properties [Member] |
Member |
|
|
asx:OtherInvestmentPropertiesMember |
| 1344 |
Disclosure of detailed information about investment property [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfInvestmentPropertyLineItems |
| 1345 |
Investment properties are depreciated using the straight-line method over their estimated useful lives |
Concept (Text/String) |
For Period |
|
ifrs-full:UsefulLivesOrDepreciationRatesInvestmentPropertyCostModel |
| 1346 |
1123 - Disclosure - Investment Properties - Additional Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureInvestmentPropertiesAdditionalInformation |
| 1347 |
Disclosure of detailed information about investment property [table] |
Table |
* |
* |
ifrs-full:DisclosureOfInvestmentPropertyTable |
| 1348 |
Levels of fair value hierarchy [axis] |
Axis |
|
|
ifrs-full:LevelsOfFairValueHierarchyAxis |
| 1349 |
All levels of fair value hierarchy [member] |
Member |
|
|
ifrs-full:AllLevelsOfFairValueHierarchyMember |
| 1350 |
Level 3 of fair value hierarchy [member] |
Member |
|
|
ifrs-full:Level3OfFairValueHierarchyMember |
| 1351 |
Measurement [axis] |
Axis |
|
|
ifrs-full:MeasurementAxis |
| 1352 |
Aggregated measurement [member] |
Member |
|
|
ifrs-full:AggregatedMeasurementMember |
| 1353 |
Fair value [member] |
Member |
|
|
ifrs-full:AtFairValueMember |
| 1354 |
Disclosure of detailed information about investment property [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfInvestmentPropertyLineItems |
| 1355 |
Fair value of investment properties |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:InvestmentProperty |
| 1356 |
1124 - Disclosure - Goodwill - Summary of Goodwill (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureGoodwillSummaryOfGoodwill |
| 1357 |
Disclosure of reconciliation of changes in goodwill [table] |
Table |
* |
* |
ifrs-full:DisclosureOfReconciliationOfChangesInGoodwillTable |
| 1358 |
Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] |
Axis |
|
|
ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis |
| 1359 |
Carrying amount [member] |
Member |
|
|
ifrs-full:CarryingAmountMember |
| 1360 |
Cost [member] |
Member |
|
|
ifrs-full:GrossCarryingAmountMember |
| 1361 |
Accumulated impairment [Member] |
Member |
|
|
ifrs-full:AccumulatedImpairmentMember |
| 1362 |
Disclosure of reconciliation of changes in goodwill [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfReconciliationOfChangesInGoodwillLineItems |
| 1363 |
Beginning balance |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:Goodwill |
| 1364 |
Impairment losses recognized |
Concept (Monetary) |
For Period |
|
ifrs-full:ImpairmentLossRecognisedInProfitOrLossGoodwill |
| 1365 |
Acquisition through business combinations |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdditionalRecognitionGoodwill |
| 1366 |
Effect of foreign currency exchange differences |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesGoodwill |
| 1367 |
Ending balance |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:Goodwill |
| 1368 |
1125 - Disclosure - Goodwill - Summary of Carrying Amounts of Goodwill Allocated to Cash-generating Units (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureGoodwillSummaryOfCarryingAmountsOfGoodwillAllocatedToCashgeneratingUnits |
| 1369 |
Disclosure of information for cash-generating units [table] |
Table |
* |
* |
ifrs-full:DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesTable |
| 1370 |
Segments [axis] |
Axis |
|
|
ifrs-full:SegmentsAxis |
| 1371 |
Segments [member] |
Member |
|
|
ifrs-full:SegmentsMember |
| 1372 |
Packaging segment [member] |
Member |
|
|
asx:PackagingSegmentMember |
| 1373 |
Testing segment [member] |
Member |
|
|
asx:TestingSegmentMember |
| 1374 |
All other segments [member] |
Member |
|
|
ifrs-full:AllOtherSegmentsMember |
| 1375 |
Disclosure of information for cash-generating units [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesLineItems |
| 1376 |
Goodwill |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:Goodwill |
| 1377 |
1126 - Disclosure - Goodwill - Additional Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureGoodwillAdditionalInformation |
| 1378 |
Disclosure of reconciliation of changes in goodwill [table] |
Table |
* |
* |
ifrs-full:DisclosureOfReconciliationOfChangesInGoodwillTable |
| 1379 |
Range [axis] |
Axis |
|
|
ifrs-full:RangeAxis |
| 1380 |
Ranges [member] |
Member |
|
|
ifrs-full:RangesMember |
| 1381 |
Bottom of range [member] |
Member |
|
|
ifrs-full:BottomOfRangeMember |
| 1382 |
Top of range [member] |
Member |
|
|
ifrs-full:TopOfRangeMember |
| 1383 |
Disclosure of reconciliation of changes in goodwill [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfReconciliationOfChangesInGoodwillLineItems |
| 1384 |
Discount rate applied to cash flow projections |
Concept (Percent) |
As Of |
|
ifrs-full:DescriptionOfDiscountRatesAppliedToCashFlowProjections |
| 1385 |
Impairment loss on goodwill |
Concept (Monetary) |
For Period |
|
ifrs-full:ImpairmentLossRecognisedInProfitOrLossGoodwill |
| 1386 |
1127 - Disclosure - Other Intangible Assets - Summary of Carrying Amounts of Each Class of Other Intangible Assets (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureOtherIntangibleAssetsSummaryOfCarryingAmountsOfEachClassOfOtherIntangibleAssets |
| 1387 |
Disclosure of detailed information about intangible assets [table] |
Table |
* |
* |
ifrs-full:DisclosureOfIntangibleAssetsTable |
| 1388 |
Classes of intangible assets other than goodwill [axis] |
Axis |
|
|
ifrs-full:ClassesOfIntangibleAssetsOtherThanGoodwillAxis |
| 1389 |
Intangible assets other than goodwill [member] |
Member |
|
|
ifrs-full:IntangibleAssetsOtherThanGoodwillMember |
| 1390 |
Customer relationships [Member] |
Member |
|
|
ifrs-full:CustomerrelatedIntangibleAssetsMember |
| 1391 |
Computer software [Member] |
Member |
|
|
ifrs-full:ComputerSoftwareMember |
| 1392 |
Patents and acquired specific technology [Member] |
Member |
|
|
ifrs-full:CopyrightsPatentsAndOtherIndustrialPropertyRightsServiceAndOperatingRightsMember |
| 1393 |
Others [Member] |
Member |
|
|
ifrs-full:OtherIntangibleAssetsMember |
| 1394 |
Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] |
Axis |
|
|
ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis |
| 1395 |
Carrying amount [member] |
Member |
|
|
ifrs-full:CarryingAmountMember |
| 1396 |
Cost [member] |
Member |
|
|
ifrs-full:GrossCarryingAmountMember |
| 1397 |
Accumulated depreciation and amortization [Member] |
Member |
|
|
ifrs-full:AccumulatedDepreciationAndAmortisationMember |
| 1398 |
Disclosure of detailed information about intangible assets [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfIntangibleAssetsLineItems |
| 1399 |
Beginning balance |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:IntangibleAssetsOtherThanGoodwill |
| 1400 |
Additions |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdditionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill |
| 1401 |
Amortization expense |
Concept (Monetary) |
For Period |
|
ifrs-full:AmortisationIntangibleAssetsOtherThanGoodwill |
| 1402 |
Disposals or derecognization |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:DisposalsAndRetirementsIntangibleAssetsOtherThanGoodwill |
| 1403 |
Reclassification |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:IncreaseDecreaseThroughTransfersAndOtherChangesIntangibleAssetsOtherThanGoodwill |
| 1404 |
Acquisition through business combinations |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AcquisitionsThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill |
| 1405 |
Effect of foreign currency exchange differences |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesIntangibleAssetsOtherThanGoodwill |
| 1406 |
Ending balance |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:IntangibleAssetsOtherThanGoodwill |
| 1407 |
1128 - Disclosure - Other Intangible Assets - Summary of Other Intangible Assets Useful Lives (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureOtherIntangibleAssetsSummaryOfOtherIntangibleAssetsUsefulLives |
| 1408 |
Disclosure of intangible assets with indefinite useful life [table] |
Table |
* |
* |
ifrs-full:DisclosureOfIntangibleAssetsWithIndefiniteUsefulLifeTable |
| 1409 |
Range [axis] |
Axis |
|
|
ifrs-full:RangeAxis |
| 1410 |
Ranges [member] |
Member |
|
|
ifrs-full:RangesMember |
| 1411 |
Bottom of range [member] |
Member |
|
|
ifrs-full:BottomOfRangeMember |
| 1412 |
Top of range [member] |
Member |
|
|
ifrs-full:TopOfRangeMember |
| 1413 |
Classes of intangible assets other than goodwill [axis] |
Axis |
|
|
ifrs-full:ClassesOfIntangibleAssetsOtherThanGoodwillAxis |
| 1414 |
Intangible assets other than goodwill [member] |
Member |
|
|
ifrs-full:IntangibleAssetsOtherThanGoodwillMember |
| 1415 |
Customer relationships [Member] |
Member |
|
|
ifrs-full:CustomerrelatedIntangibleAssetsMember |
| 1416 |
Computer software [Member] |
Member |
|
|
ifrs-full:ComputerSoftwareMember |
| 1417 |
Patents and acquired specific technology [Member] |
Member |
|
|
ifrs-full:CopyrightsPatentsAndOtherIndustrialPropertyRightsServiceAndOperatingRightsMember |
| 1418 |
Others [Member] |
Member |
|
|
ifrs-full:OtherIntangibleAssetsMember |
| 1419 |
Disclosure of intangible assets with indefinite useful life [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfIntangibleAssetsWithIndefiniteUsefulLifeLineItems |
| 1420 |
Other intangible assets useful lives |
Concept (Text/String) |
For Period |
|
ifrs-full:UsefulLivesOrAmortisationRatesIntangibleAssetsOtherThanGoodwill |
| 1421 |
1129 - Disclosure - Long-term Prepayments for Lease - Additional Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureLongtermPrepaymentsForLeaseAdditionalInformation |
| 1422 |
Disclosure of finance lease and operating lease by lessee [table] |
Table |
* |
* |
ifrs-full:DisclosureOfFinanceLeaseAndOperatingLeaseByLesseeTable |
| 1423 |
Range [axis] |
Axis |
|
|
ifrs-full:RangeAxis |
| 1424 |
Ranges [member] |
Member |
|
|
ifrs-full:RangesMember |
| 1425 |
Bottom of range [member] |
Member |
|
|
ifrs-full:BottomOfRangeMember |
| 1426 |
Top of range [member] |
Member |
|
|
ifrs-full:TopOfRangeMember |
| 1427 |
Disclosure of finance lease and operating lease by lessee [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfFinanceLeaseAndOperatingLeaseByLesseeLineItems |
| 1428 |
Long-term lease period |
Concept (xbrli:durationItemType) |
For Period |
|
asx:LongTermLeasePeriod |
| 1429 |
Long-term lease expire date |
Concept (Text/String) |
For Period |
|
asx:LongTermLeaseExpireDate |
| 1430 |
1130 - Disclosure - Borrowings - Additional Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureBorrowingsAdditionalInformation |
| 1431 |
Disclosure of detailed information about borrowings [table] |
Table |
* |
* |
ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable |
| 1432 |
Borrowings by name [axis] |
Axis |
|
|
ifrs-full:BorrowingsByNameAxis |
| 1433 |
Borrowings by name [member] |
Member |
|
|
ifrs-full:BorrowingsByNameMember |
| 1434 |
Unsecured revolving bank loans [member] |
Member |
|
|
asx:UnsecuredRevolvingBankLoansMember |
| 1435 |
Range [axis] |
Axis |
|
|
ifrs-full:RangeAxis |
| 1436 |
Ranges [member] |
Member |
|
|
ifrs-full:RangesMember |
| 1437 |
Bottom of range [member] |
Member |
|
|
ifrs-full:BottomOfRangeMember |
| 1438 |
Top of range [member] |
Member |
|
|
ifrs-full:TopOfRangeMember |
| 1439 |
Disclosure of detailed information about borrowings [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems |
| 1440 |
Annual interest rates |
Concept (Percent) |
As Of |
|
ifrs-full:BorrowingsInterestRate |
| 1441 |
1131 - Disclosure - Borrowings - Summary of Bank Loans (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureBorrowingsSummaryOfBankLoans |
| 1442 |
Disclosure of detailed information about borrowings [table] |
Table |
* |
* |
ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable |
| 1443 |
Borrowings by name [axis] |
Axis |
|
|
ifrs-full:BorrowingsByNameAxis |
| 1444 |
Borrowings by name [member] |
Member |
|
|
ifrs-full:BorrowingsByNameMember |
| 1445 |
Bank loans [member] |
Member |
|
|
asx:BankLoansMember |
| 1446 |
Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] |
Axis |
|
|
ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis |
| 1447 |
Carrying amount [member] |
Member |
|
|
ifrs-full:CarryingAmountMember |
| 1448 |
Cost [member] |
Member |
|
|
ifrs-full:GrossCarryingAmountMember |
| 1449 |
Net Unamortized Debt Issue Costs [member] |
Member |
|
|
asx:NetUnamortizedDebtIssueCostsMember |
| 1450 |
Classes of financial liabilities [axis] |
Axis |
|
|
ifrs-full:ClassesOfFinancialLiabilitiesAxis |
| 1451 |
Financial liabilities, class [member] |
Member |
|
|
ifrs-full:FinancialLiabilitiesMember |
| 1452 |
Syndicated bank loans [Member] |
Member |
|
|
asx:SyndicatedBankLoansMember |
| 1453 |
Other loans [Member] |
Member |
|
|
asx:OtherLoansMember |
| 1454 |
Mortgage loans [Member] |
Member |
|
|
ifrs-full:MortgagesMember |
| 1455 |
Disclosure of detailed information about borrowings [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems |
| 1456 |
Long-term borrowings |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Borrowings |
| 1457 |
Less: current portion |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:CurrentPortionOfLongtermBorrowings |
| 1458 |
Noncurrent portion |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:LongtermBorrowings |
| 1459 |
1132 - Disclosure - Borrowings - Summary of Bank Loans (Parenthetical) (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureBorrowingsSummaryOfBankLoansParenthetical |
| 1460 |
Disclosure of detailed information about borrowings [table] |
Table |
* |
* |
ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable |
| 1461 |
Borrowings by name [axis] |
Axis |
|
|
ifrs-full:BorrowingsByNameAxis |
| 1462 |
Borrowings by name [member] |
Member |
|
|
ifrs-full:BorrowingsByNameMember |
| 1463 |
Bank loans [member] |
Member |
|
|
asx:BankLoansMember |
| 1464 |
Classes of financial liabilities [axis] |
Axis |
|
|
ifrs-full:ClassesOfFinancialLiabilitiesAxis |
| 1465 |
Financial liabilities, class [member] |
Member |
|
|
ifrs-full:FinancialLiabilitiesMember |
| 1466 |
Syndicated bank loans [Member] |
Member |
|
|
asx:SyndicatedBankLoansMember |
| 1467 |
Other loans [Member] |
Member |
|
|
asx:OtherLoansMember |
| 1468 |
Mortgage loans [Member] |
Member |
|
|
ifrs-full:MortgagesMember |
| 1469 |
Range [axis] |
Axis |
|
|
ifrs-full:RangeAxis |
| 1470 |
Ranges [member] |
Member |
|
|
ifrs-full:RangesMember |
| 1471 |
Bottom of range [member] |
Member |
|
|
ifrs-full:BottomOfRangeMember |
| 1472 |
Top of range [member] |
Member |
|
|
ifrs-full:TopOfRangeMember |
| 1473 |
Disclosure of detailed information about borrowings [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems |
| 1474 |
Annual interest rates |
Concept (Percent) |
As Of |
|
ifrs-full:BorrowingsInterestRate |
| 1475 |
1133 - Disclosure - Borrowings - Summary of Long-term Bills Payable (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureBorrowingsSummaryOfLongtermBillsPayable |
| 1476 |
Disclosure of detailed information about borrowings [table] |
Table |
* |
* |
ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable |
| 1477 |
Categories of related parties [axis] |
Axis |
|
|
ifrs-full:CategoriesOfRelatedPartiesAxis |
| 1478 |
Entity's total for related parties [member] |
Member |
|
|
ifrs-full:EntitysTotalForRelatedPartiesMember |
| 1479 |
China Bills Finance Corporation [member] |
Member |
|
|
asx:ChinaBillsFinanceCorporationMember |
| 1480 |
International Bills Finance Corporation [member] |
Member |
|
|
asx:InternationalBillsFinanceCorporationMember |
| 1481 |
Ta Ching Bills Finance Corporation [member] |
Member |
|
|
asx:TaChingBillsFinanceCorporationMember |
| 1482 |
Borrowings by name [axis] |
Axis |
|
|
ifrs-full:BorrowingsByNameAxis |
| 1483 |
Borrowings by name [member] |
Member |
|
|
ifrs-full:BorrowingsByNameMember |
| 1484 |
Longterm Bills Payable [member] |
Member |
|
|
asx:LongtermBillsPayableMember |
| 1485 |
Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] |
Axis |
|
|
ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis |
| 1486 |
Carrying amount [member] |
Member |
|
|
ifrs-full:CarryingAmountMember |
| 1487 |
Unamortized Discounts [member] |
Member |
|
|
asx:UnamortizedDiscountsMember |
| 1488 |
Disclosure of detailed information about borrowings [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems |
| 1489 |
Long-term bills payable |
Concept (Monetary) |
As Of |
Credit |
asx:NoncurrentPortionOfNoncurrentBillsIssued |
| 1490 |
1134 - Disclosure - Borrowings - Summary of Long-term Bills Payable (Parenthetical) (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureBorrowingsSummaryOfLongtermBillsPayableParenthetical |
| 1491 |
Disclosure of detailed information about borrowings [table] |
Table |
* |
* |
ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable |
| 1492 |
Categories of related parties [axis] |
Axis |
|
|
ifrs-full:CategoriesOfRelatedPartiesAxis |
| 1493 |
Entity's total for related parties [member] |
Member |
|
|
ifrs-full:EntitysTotalForRelatedPartiesMember |
| 1494 |
China Bills Finance Corporation [member] |
Member |
|
|
asx:ChinaBillsFinanceCorporationMember |
| 1495 |
International Bills Finance Corporation [member] |
Member |
|
|
asx:InternationalBillsFinanceCorporationMember |
| 1496 |
Ta Ching Bills Finance Corporation [member] |
Member |
|
|
asx:TaChingBillsFinanceCorporationMember |
| 1497 |
Disclosure of detailed information about borrowings [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems |
| 1498 |
Annual interest rates |
Concept (Percent) |
As Of |
|
ifrs-full:BorrowingsInterestRate |
| 1499 |
Borrowings maturity |
Concept (Text/String) |
For Period |
|
ifrs-full:BorrowingsMaturity |
| 1500 |
1135 - Disclosure - Bonds Payable - Summary of Bonds Payable (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureBondsPayableSummaryOfBondsPayable |
| 1501 |
Disclosure of detailed information about borrowings [table] |
Table |
* |
* |
ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable |
| 1502 |
Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] |
Axis |
|
|
ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis |
| 1503 |
Carrying amount [member] |
Member |
|
|
ifrs-full:CarryingAmountMember |
| 1504 |
Cost [member] |
Member |
|
|
ifrs-full:GrossCarryingAmountMember |
| 1505 |
Discounts on bonds payable [member] |
Member |
|
|
asx:DiscountsOnBondsPayableMember |
| 1506 |
Borrowings by name [axis] |
Axis |
|
|
ifrs-full:BorrowingsByNameAxis |
| 1507 |
Borrowings by name [member] |
Member |
|
|
ifrs-full:BorrowingsByNameMember |
| 1508 |
Repayable at maturity in January 2021 [member] |
Member |
|
|
asx:RepayableAtMaturityInJanuaryTwoThousandTwentyOneMember |
| 1509 |
Repayable at maturity in January 2023 [member] |
Member |
|
|
asx:RepayableAtMaturityInJanuaryTwoThousandTwentyThreeMember |
| 1510 |
Repayable at maturity in January 2022 [member] |
Member |
|
|
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| 1511 |
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Member |
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| 1512 |
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Member |
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| 1513 |
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Concept (Monetary) |
As Of |
Credit |
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| 1515 |
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Concept (Monetary) |
As Of |
Credit |
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| 1516 |
Noncurrent portion |
Concept (Monetary) |
As Of |
Credit |
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| 1517 |
1136 - Disclosure - Bonds Payable - Summary of Bonds Payable (Parenthetical) (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureBondsPayableSummaryOfBondsPayableParenthetical |
| 1518 |
Disclosure of detailed information about borrowings [table] |
Table |
* |
* |
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| 1519 |
Borrowings by name [axis] |
Axis |
|
|
ifrs-full:BorrowingsByNameAxis |
| 1520 |
Borrowings by name [member] |
Member |
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ifrs-full:BorrowingsByNameMember |
| 1521 |
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Member |
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| 1522 |
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Member |
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| 1523 |
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Member |
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| 1524 |
Repayable at maturity in January 2024 [member] |
Member |
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| 1525 |
US$200,000 thousand [member] |
Member |
|
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asx:UnsecuredOverseasConvertibleBondsTwoMember |
| 1526 |
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LineItems |
|
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ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems |
| 1527 |
Interest rate |
Concept (Percent) |
As Of |
|
ifrs-full:BorrowingsInterestRate |
| 1528 |
Notional Amount |
Concept (Monetary) |
As Of |
|
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| 1529 |
1137 - Disclosure - Bonds Payable - Additional Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureBondsPayableAdditionalInformation |
| 1530 |
Disclosure of detailed information about borrowings [table] |
Table |
* |
* |
ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable |
| 1531 |
Borrowings by name [axis] |
Axis |
|
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ifrs-full:BorrowingsByNameAxis |
| 1532 |
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Member |
|
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ifrs-full:BorrowingsByNameMember |
| 1533 |
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Member |
|
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asx:UnsecuredOverseasConvertibleBondsMember |
| 1534 |
US$200,000 thousand [member] |
Member |
|
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| 1535 |
Secured Overseas Bonds One [member] |
Member |
|
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| 1536 |
Range [axis] |
Axis |
|
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| 1537 |
Ranges [member] |
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| 1538 |
Bottom of range [member] |
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| 1539 |
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| 1540 |
Associates [axis] |
Axis |
|
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| 1541 |
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Member |
|
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| 1542 |
Siliconware Precision Industries Co., Ltd. [member] |
Member |
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Concept (Monetary) |
As Of |
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| 1545 |
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Concept (xbrli:durationItemType) |
For Period |
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| 1546 |
Unsecured overseas bonds conversion right exercised |
Concept (Monetary) |
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Debit |
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Concept (Share) |
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|
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Early redeemed the outstanding Bonds |
Concept (Monetary) |
For Period |
Credit |
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Unsecured overseas bonds fixed exchange rate |
Concept (Share) |
As Of |
|
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Concept (Monetary) |
As Of |
Credit |
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Concept (Percent) |
For Period |
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Annual interest rates of bonds |
Concept (Percent) |
As Of |
|
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| 1553 |
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Concept (Monetary) |
As Of |
Credit |
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| 1554 |
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Concept (Monetary) |
As Of |
Credit |
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| 1555 |
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Concept (Monetary) |
For Period |
Credit |
asx:ConsiderationPaidInCash |
| 1556 |
Consideration per share |
Concept (Share) |
As Of |
|
asx:ConsiderationPaidPerShare |
| 1557 |
Securities transactions tax |
Concept (Percent) |
For Period |
|
asx:SecurityTransactionsTax |
| 1558 |
Change in capital surplus |
Concept (Monetary) |
As Of |
Credit |
asx:ChangeInCapitalSurplus |
| 1559 |
1138 - Disclosure - Other Payables - Summary of Other Payables (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureOtherPayablesSummaryOfOtherPayables |
| 1560 |
Implied Table |
Table |
* |
* |
implied:Table |
| 1561 |
Subclassifications of assets, liabilities and equities [abstract] |
Abstract |
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|
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| 1562 |
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Concept (Monetary) |
As Of |
Credit |
asx:AccruedSalaryAndCompensation |
| 1563 |
Payables for property, plant and equipment |
Concept (Monetary) |
As Of |
Credit |
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| 1564 |
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Concept (Monetary) |
As Of |
Credit |
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| 1565 |
Accrued employee insurance |
Concept (Monetary) |
As Of |
Credit |
asx:AccruedEmployeeInsurance |
| 1566 |
Accrued utilities |
Concept (Monetary) |
As Of |
Credit |
asx:CurrentAccruedUtilitiesExpenses |
| 1567 |
Payables for patents and acquired specific technology (Note 37) |
Concept (Monetary) |
As Of |
Credit |
asx:PayablesForPatentsAndAcquiredSpecificTechnology |
| 1568 |
Others |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:OtherPayables |
| 1569 |
Other payables |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:OtherCurrentPayables |
| 1570 |
1139 - Disclosure - Retirement Benefit Plans - Additional Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureRetirementBenefitPlansAdditionalInformation |
| 1571 |
Disclosure of defined benefit plans [table] |
Table |
* |
* |
ifrs-full:DisclosureOfDefinedBenefitPlansTable |
| 1572 |
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Axis |
|
|
ifrs-full:RangeAxis |
| 1573 |
Ranges [member] |
Member |
|
|
ifrs-full:RangesMember |
| 1574 |
Bottom of range [member] |
Member |
|
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ifrs-full:BottomOfRangeMember |
| 1575 |
Top of range [member] |
Member |
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ifrs-full:TopOfRangeMember |
| 1576 |
Defined benefit plans [axis] |
Axis |
|
|
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| 1577 |
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Member |
|
|
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| 1578 |
Pension plans for executive managers [member] |
Member |
|
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| 1579 |
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LineItems |
|
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ifrs-full:DisclosureOfDefinedBenefitPlansLineItems |
| 1580 |
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Concept (Percent) |
For Period |
|
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| 1581 |
Pension costs |
Concept (Monetary) |
For Period |
Debit |
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| 1582 |
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Concept (Monetary) |
As Of |
Credit |
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| 1583 |
Expected contribution to defined benefit plans |
Concept (Monetary) |
For Period |
Credit |
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| 1584 |
Average duration of the defined benefit obligation |
Concept (Decimal) |
For Period |
|
ifrs-full:WeightedAverageDurationOfDefinedBenefitObligation |
| 1585 |
1140 - Disclosure - Retirement Benefit Plans - Summary of Defined Benefit Plans Amounts Included in Consolidated Balance Sheets (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureRetirementBenefitPlansSummaryOfDefinedBenefitPlansAmountsIncludedInConsolidatedBalanceSheets |
| 1586 |
Implied Table |
Table |
* |
* |
implied:Table |
| 1587 |
Disclosure of net defined benefit liability (asset) [abstract] |
Abstract |
|
|
ifrs-full:DisclosureOfNetDefinedBenefitLiabilityAssetAbstract |
| 1588 |
Present value of the defined benefit obligation |
Concept (Monetary) |
As Of |
Credit |
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| 1589 |
Fair value of the plan assets |
Concept (Monetary) |
As Of |
Debit |
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| 1590 |
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Concept (Monetary) |
As Of |
Credit |
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| 1591 |
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Concept (Monetary) |
As Of |
Credit |
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Concept (Monetary) |
As Of |
Credit |
asx:RecordedUnderOtherCurrentAssets |
| 1593 |
Net defined benefit liability |
Concept (Monetary) |
As Of |
Credit |
asx:NetDefinedBenefitLiability |
| 1594 |
1141 - Disclosure - Retirement Benefit Plans - Summary of Movements in Net Defined Benefit Liability (Asset) (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureRetirementBenefitPlansSummaryOfMovementsInNetDefinedBenefitLiabilityAsset |
| 1595 |
Disclosure of net defined benefit liability (asset) [table] |
Table |
* |
* |
ifrs-full:DisclosureOfNetDefinedBenefitLiabilityAssetTable |
| 1596 |
Net defined benefit liability (asset) [axis] |
Axis |
|
|
ifrs-full:NetDefinedBenefitLiabilityAssetAxis |
| 1597 |
Net defined benefit liability (asset) [member] |
Member |
|
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| 1598 |
Defined benefit obligation [member] |
Member |
|
|
ifrs-full:PresentValueOfDefinedBenefitObligationMember |
| 1599 |
Fair value of plan assets [member] |
Member |
|
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ifrs-full:PlanAssetsMember |
| 1600 |
Disclosure of net defined benefit liability (asset) [line items] |
LineItems |
|
|
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| 1601 |
Beginning balance |
Concept (Monetary) |
As Of |
Credit |
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| 1602 |
Current service cost |
Concept (Monetary) |
For Period |
Credit |
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| 1603 |
Past service cost and gain on settlements |
Concept (Monetary) |
For Period |
Credit |
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| 1604 |
Net interest expense (income) |
Concept (Monetary) |
For Period |
Credit |
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| 1605 |
Recognized in profit or loss |
Concept (Monetary) |
For Period |
Debit |
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| 1606 |
Return on plan assets (excluding amounts included in net interest) |
Concept (Monetary) |
For Period |
Debit |
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| 1607 |
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Concept (Monetary) |
For Period |
Debit |
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Concept (Monetary) |
For Period |
Debit |
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Concept (Monetary) |
For Period |
Debit |
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| 1610 |
Actuarial gain arising from changes in other assumptions |
Concept (Monetary) |
For Period |
Debit |
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| 1611 |
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Concept (Monetary) |
For Period |
Credit |
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| 1612 |
Contributions from the employer |
Concept (Monetary) |
For Period |
Debit |
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| 1613 |
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Concept (Monetary) |
For Period |
Debit |
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Benefits paid from the Group |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:BenefitsPaidOrPayable |
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Business combinations |
Concept (Monetary) |
For Period |
Credit |
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| 1616 |
Liabilities assumed in a business combination |
Concept (Monetary) |
For Period |
Credit |
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| 1617 |
Exchange differences on foreign plans |
Concept (Monetary) |
For Period |
Credit |
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| 1618 |
Ending balance |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:LiabilityAssetOfDefinedBenefitPlans |
| 1619 |
1142 - Disclosure - Retirement Benefit Plans - Summary of Fair Value of the Plan Assets by Major Categories (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureRetirementBenefitPlansSummaryOfFairValueOfThePlanAssetsByMajorCategories |
| 1620 |
Implied Table |
Table |
* |
* |
implied:Table |
| 1621 |
Disclosure of fair value of plan assets [abstract] |
Abstract |
|
|
ifrs-full:DisclosureOfFairValueOfPlanAssetsAbstract |
| 1622 |
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Concept (Monetary) |
As Of |
Debit |
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| 1623 |
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Concept (Monetary) |
As Of |
Debit |
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| 1624 |
Equity instruments |
Concept (Monetary) |
As Of |
Debit |
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| 1625 |
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Concept (Monetary) |
As Of |
Debit |
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| 1626 |
Total |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:PlanAssetsAtFairValue |
| 1627 |
1143 - Disclosure - Retirement Benefit Plans - Summary of Key Assumptions Used for the Actuarial Valuations (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureRetirementBenefitPlansSummaryOfKeyAssumptionsUsedForTheActuarialValuations |
| 1628 |
Disclosure of defined benefit plans [table] |
Table |
* |
* |
ifrs-full:DisclosureOfDefinedBenefitPlansTable |
| 1629 |
Range [axis] |
Axis |
|
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ifrs-full:RangeAxis |
| 1630 |
Ranges [member] |
Member |
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ifrs-full:RangesMember |
| 1631 |
Bottom of range [member] |
Member |
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ifrs-full:BottomOfRangeMember |
| 1632 |
Top of range [member] |
Member |
|
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ifrs-full:TopOfRangeMember |
| 1633 |
Disclosure of defined benefit plans [line items] |
LineItems |
|
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ifrs-full:DisclosureOfDefinedBenefitPlansLineItems |
| 1634 |
Discount rates |
Concept (Percent) |
As Of |
|
ifrs-full:ActuarialAssumptionOfDiscountRates |
| 1635 |
Expected rates of salary increase |
Concept (Percent) |
As Of |
|
ifrs-full:ActuarialAssumptionOfExpectedRatesOfSalaryIncreases |
| 1636 |
1144 - Disclosure - Retirement Benefit Plans - Summary of Sensitivity Analysis on Defined Obligations (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureRetirementBenefitPlansSummaryOfSensitivityAnalysisOnDefinedObligations |
| 1637 |
Disclosure of sensitivity analysis for actuarial assumptions [table] |
Table |
* |
* |
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| 1638 |
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Axis |
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ifrs-full:ActuarialAssumptionsAxis |
| 1639 |
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Member |
|
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ifrs-full:ActuarialAssumptionsMember |
| 1640 |
Actuarial assumption of discount rates [member] |
Member |
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Actuarial assumption of expected rates of salary increases [member] |
Member |
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Disclosure of sensitivity analysis for actuarial assumptions [line items] |
LineItems |
|
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Concept (Monetary) |
As Of |
Credit |
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Concept (Monetary) |
As Of |
Credit |
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| 1645 |
1145 - Disclosure - Retirement Benefit Plans - Summary of Sensitivity Analysis on Defined Obligations (Parenthetical) (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureRetirementBenefitPlansSummaryOfSensitivityAnalysisOnDefinedObligationsParenthetical |
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Table |
* |
* |
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Axis |
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Member |
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Actuarial assumption of discount rates [member] |
Member |
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| 1650 |
Actuarial assumption of expected rates of salary increases [member] |
Member |
|
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ifrs-full:ActuarialAssumptionOfExpectedRatesOfSalaryIncreasesMember |
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Disclosure of sensitivity analysis for actuarial assumptions [line items] |
LineItems |
|
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ifrs-full:DisclosureOfSensitivityAnalysisForActuarialAssumptionsLineItems |
| 1652 |
Percentage increase in actuarial assumption |
Concept (Percent) |
As Of |
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ifrs-full:PercentageOfReasonablyPossibleIncreaseInActuarialAssumption |
| 1653 |
Percentage decrease in actuarial assumption |
Concept (Percent) |
As Of |
|
ifrs-full:PercentageOfReasonablyPossibleDecreaseInActuarialAssumption |
| 1654 |
1146 - Disclosure - Retirement Benefit Plans - Summary of Maturity Analysis of Undiscounted Pension Benefit (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureRetirementBenefitPlansSummaryOfMaturityAnalysisOfUndiscountedPensionBenefit |
| 1655 |
Disclosure of defined benefit plans [table] |
Table |
* |
* |
ifrs-full:DisclosureOfDefinedBenefitPlansTable |
| 1656 |
Maturity [axis] |
Axis |
|
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ifrs-full:MaturityAxis |
| 1657 |
Aggregated time bands [member] |
Member |
|
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ifrs-full:AggregatedTimeBandsMember |
| 1658 |
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Member |
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ifrs-full:NotLaterThanOneYearMember |
| 1659 |
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Member |
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| 1660 |
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Member |
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Disclosure of defined benefit plans [line items] |
LineItems |
|
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ifrs-full:DisclosureOfDefinedBenefitPlansLineItems |
| 1662 |
Maturity analysis of undiscounted pension benefit |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:ActuarialPresentValueOfPromisedRetirementBenefits |
| 1663 |
1147 - Disclosure - Equity - Summary of Share Capital (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureEquitySummaryOfShareCapital |
| 1664 |
Implied Table |
Table |
* |
* |
implied:Table |
| 1665 |
Disclosure of classes of share capital [abstract] |
Abstract |
|
|
ifrs-full:DisclosureOfClassesOfShareCapitalAbstract |
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Concept (Shares) |
As Of |
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ifrs-full:NumberOfSharesAuthorised |
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Concept (Shares) |
As Of |
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ifrs-full:SharesReservedForIssueUnderOptionsAndContractsForSaleOfShares |
| 1668 |
Number of shares issued and fully paid (in thousands) |
Concept (Shares) |
As Of |
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ifrs-full:NumberOfSharesIssuedAndFullyPaid |
| 1669 |
Share capital authorized |
Concept (Monetary) |
As Of |
Credit |
asx:IssuedCapitalAuthorisedAmount |
| 1670 |
Share capital reserved Employee share options |
Concept (Monetary) |
As Of |
Credit |
asx:ShareCapitalReservedUnderOptions |
| 1671 |
Share capital issued and fully paid |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:IssuedCapital |
| 1672 |
1148 - Disclosure - Equity - Additional Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureEquityAdditionalInformation |
| 1673 |
Disclosure of classes of share capital [table] |
Table |
* |
* |
ifrs-full:DisclosureOfClassesOfShareCapitalTable |
| 1674 |
Range [axis] |
Axis |
|
|
ifrs-full:RangeAxis |
| 1675 |
Ranges [member] |
Member |
|
|
ifrs-full:RangesMember |
| 1676 |
Top of range [member] |
Member |
|
|
ifrs-full:TopOfRangeMember |
| 1677 |
Borrowings by name [axis] |
Axis |
|
|
ifrs-full:BorrowingsByNameAxis |
| 1678 |
Borrowings by name [member] |
Member |
|
|
ifrs-full:BorrowingsByNameMember |
| 1679 |
Converted bonds [member] |
Member |
|
|
asx:ConvertedBondsMember |
| 1680 |
Subsidiaries [axis] |
Axis |
|
|
ifrs-full:SignificantInvestmentsInSubsidiariesAxis |
| 1681 |
Entity's total for subsidiaries [member] |
Member |
|
|
ifrs-full:EntitysTotalForSubsidiariesMember |
| 1682 |
A.S.E. Holding Limited [member] |
Member |
|
|
asx:ASEHoldingLimitedMember |
| 1683 |
Reserves within equity [axis] |
Axis |
|
|
ifrs-full:ReservesWithinEquityAxis |
| 1684 |
Other equity[member] |
Member |
|
|
ifrs-full:OtherReservesMember |
| 1685 |
Cash capital increase [member] |
Member |
|
|
asx:CashCapitalIncreaseMember |
| 1686 |
Classes of share capital [axis] |
Axis |
|
|
ifrs-full:ClassesOfShareCapitalAxis |
| 1687 |
Share capital [member] |
Member |
|
|
ifrs-full:ClassesOfShareCapitalMember |
| 1688 |
American depository shares (ADs) [member] |
Member |
|
|
asx:AmericanDepositorySharesMember |
| 1689 |
Ordinary shares [member] |
Member |
|
|
ifrs-full:OrdinarySharesMember |
| 1690 |
Disclosure of classes of share capital [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfClassesOfShareCapitalLineItems |
| 1691 |
Share price |
Concept (Share) |
For Period |
|
asx:SharesIssuedPricePerShare1 |
| 1692 |
Shares included in authorized shares not yet completed share registration process |
Concept (Shares) |
As Of |
|
asx:NumberOfSharesIncludedInAuthorisedSharesYetToBeRegistered |
| 1693 |
Proportion of ownership interest in subsidiary |
Concept (Percent) |
For Period |
|
ifrs-full:ProportionOfOwnershipInterestInSubsidiary |
| 1694 |
Number of ordinary shares exchanged from ASE Holding |
Concept (Shares) |
For Period |
|
asx:NumberOfOrdinarySharesExchanged |
| 1695 |
Number of ordinary shares issued |
Concept (Shares) |
As Of |
|
ifrs-full:NumberOfSharesIssued |
| 1696 |
Ordinary shares issued under conversion of Bonds |
Concept (Shares) |
For Period |
|
ifrs-full:IncreaseDecreaseInNumberOfOrdinarySharesIssued |
| 1697 |
Number of shares represented by each ADS |
Concept (Decimal) |
For Period |
|
asx:NumberOfOrdinarySharesPerADS |
| 1698 |
Number of shares outstanding |
Concept (Shares) |
As Of |
|
ifrs-full:NumberOfSharesOutstanding |
| 1699 |
Distribution of cash from capital surplus arising from issuance of ordinary shares |
Concept (Monetary) |
For Period |
Credit |
asx:DistributionOfCashFromCapitalSurplusArisingFromIssuanceOfOrdinaryShares |
| 1700 |
Percentage of legal reserve |
Concept (Percent) |
For Period |
|
asx:PercentageOfLegalReserve |
| 1701 |
Percentage of cash dividend on dividend distribution |
Concept (Percent) |
For Period |
|
asx:CashDividendPercentageOnDividendDistribution |
| 1702 |
Percentage of legal reserve on share capital |
Concept (Percent) |
For Period |
|
asx:PercentageOfLegalReserveOnShareCapital |
| 1703 |
Repurchase of ordinary shares |
Concept (Shares) |
For Period |
|
asx:NumberOfRepurchaseOfOrdinaryShares |
| 1704 |
Repurchase of ordinary shares, price per share |
Concept (Share) |
As Of |
|
asx:RepurchaseOfOrdinarySharesPerSharePrice |
| 1705 |
Treasury shares canceled |
Concept (Shares) |
For Period |
|
asx:NumberOfCanceledTreasuryShares |
| 1706 |
1149 - Disclosure - Equity - Summary of Capital Surplus (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureEquitySummaryOfCapitalSurplus |
| 1707 |
Implied Table |
Table |
* |
* |
implied:Table |
| 1708 |
Disclosure of classes of share capital [abstract] |
Abstract |
|
|
ifrs-full:DisclosureOfClassesOfShareCapitalAbstract |
| 1709 |
Issuance of ordinary shares |
Concept (Monetary) |
As Of |
Credit |
asx:IssuanceOfShareValue |
| 1710 |
Merger by share exchange |
Concept (Monetary) |
As Of |
Credit |
asx:MergerByShareExchange |
| 1711 |
Conversion of bonds payable |
Concept (Monetary) |
As Of |
Credit |
asx:ConversionOfBondPayable |
| 1712 |
Difference between consideration and the carrying amount of the subsidiaries' net assets during actual disposal or acquisition |
Concept (Monetary) |
As Of |
Credit |
asx:DifferenceBetweenConsiderationReceivedOrPaidAndCarryingAmountOfSubsidiariesNetAssetsUponActualDisposalOrAcquisitionEffectOnAdditionalPaidinCapital |
| 1713 |
Capital surplus deficit distributed as cash dividends |
Concept (Monetary) |
As Of |
Credit |
asx:SharePremiumMayBeUsedToOffsetDeficitDistributedAsCashDividendsOrTransferredToShareCapital |
| 1714 |
Changes in percentage of ownership interest in subsidiaries |
Concept (Monetary) |
As Of |
Credit |
asx:ChangesInPercentageOfOwnershipInterestInSubsidiaries |
| 1715 |
Treasury share transactions |
Concept (Monetary) |
As Of |
Credit |
asx:TreasuryStockTransactions |
| 1716 |
Exercised employee share options |
Concept (Monetary) |
As Of |
Credit |
asx:ExercisedEmployeeShareOptions |
| 1717 |
Expired share options (Notes 22 and 29) |
Concept (Monetary) |
As Of |
Credit |
asx:ExpiredEmployeeShareOptions |
| 1718 |
Share of changes in capital surplus of associates |
Concept (Monetary) |
As Of |
Credit |
asx:ShareOfChangesInCapitalSurplusOfAssociates |
| 1719 |
Dividends that the claim period has elapsed and unclaimed by shareholders |
Concept (Monetary) |
As Of |
Credit |
asx:AmountOfUnclaimedDividends |
| 1720 |
Capital surplus offset deficit |
Concept (Monetary) |
As Of |
Credit |
asx:SharePremiumMayBeUsedToOffsetDeficitOnly |
| 1721 |
Employee share options |
Concept (Monetary) |
As Of |
Credit |
asx:EmployeeShareOptions |
| 1722 |
Equity component of convertible bonds |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:ReserveOfEquityComponentOfConvertibleInstruments |
| 1723 |
Others |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:OtherReserves |
| 1724 |
Capital surplus for other purpose |
Concept (Monetary) |
As Of |
Credit |
asx:SharePremiumMayNotBeUsedForAnyPurpose |
| 1725 |
Capital surplus |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:SharePremium |
| 1726 |
1150 - Disclosure - Equity - Summary of Exchange Differences on Translating Foreign Operations (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureEquitySummaryOfExchangeDifferencesOnTranslatingForeignOperations |
| 1727 |
Statement of changes in equity [table] |
Table |
* |
* |
ifrs-full:StatementOfChangesInEquityTable |
| 1728 |
Components of equity [axis] |
Axis |
|
|
ifrs-full:ComponentsOfEquityAxis |
| 1729 |
Equity [member] |
Member |
|
|
ifrs-full:EquityMember |
| 1730 |
Exchange differences on translating foreign operations [member] |
Member |
|
|
ifrs-full:ReserveOfExchangeDifferencesOnTranslationMember |
| 1731 |
Statement of changes in equity [Line items] |
LineItems |
|
|
ifrs-full:StatementOfChangesInEquityLineItems |
| 1732 |
Balance at January 1 |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Equity |
| 1733 |
Exchange differences on translating foreign operations |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:GainsLossesOnExchangeDifferencesOnTranslationNetOfTax |
| 1734 |
Share from associates and joint venture accounted for using the equity method |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillBeReclassifiedToProfitOrLossNetOfTax |
| 1735 |
Disposal of associates and joint venture accounted for using the equity method |
Concept (Monetary) |
For Period |
Debit |
asx:DisposalOfAssociatesAndJointVentureAccountedForUsingTheEquityMethod |
| 1736 |
Balance at December 31 |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Equity |
| 1737 |
1151 - Disclosure - Equity - Summary of Unrealized Gain (Loss) on Available-for-sale Financial Assets (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureEquitySummaryOfUnrealizedGainLossOnAvailableforsaleFinancialAssets |
| 1738 |
Statement of changes in equity [table] |
Table |
* |
* |
ifrs-full:StatementOfChangesInEquityTable |
| 1739 |
Components of equity [axis] |
Axis |
|
|
ifrs-full:ComponentsOfEquityAxis |
| 1740 |
Equity [member] |
Member |
|
|
ifrs-full:EquityMember |
| 1741 |
Reserve of gains and losses on remeasuring available-for-sale financial assets excluding changes in capital surplus [member] |
Member |
|
|
asx:ReserveOfGainsAndLossesOnRemeasuringAvailableforsaleFinancialAssetsExcludingChangesInCapitalSurplusMember |
| 1742 |
Statement of changes in equity [Line items] |
LineItems |
|
|
ifrs-full:StatementOfChangesInEquityLineItems |
| 1743 |
Balance at January 1 |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Equity |
| 1744 |
Unrealized gain (loss) arising on revaluation of available-for-sale financial assets |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:GainsLossesOnRemeasuringAvailableforsaleFinancialAssetsNetOfTax |
| 1745 |
Cumulative loss reclassified to profit or loss on impairment of available-for-sale financial assets |
Concept (Monetary) |
For Period |
Credit |
asx:ReclassificationAdjustmentsOnImpairmentOfAvailableforsaleFinancialAssets |
| 1746 |
Cumulative loss (gain) reclassified to profit or loss on disposal of available-for-sale financial assets |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ReclassificationAdjustmentsOnAvailableforsaleFinancialAssetsNetOfTax |
| 1747 |
Share from associates and joint venture accounted for using the equity method |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillBeReclassifiedToProfitOrLossNetOfTax |
| 1748 |
Balance at December 31 |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Equity |
| 1749 |
1152 - Disclosure - Equity - Summary of Unrealized Gain (Loss) on Financial Assets at FVTOCI (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureEquitySummaryOfUnrealizedGainLossOnFinancialAssetsAtFVTOCI |
| 1750 |
Financial assets at fair value through other comprehensive income [table] |
Table |
* |
* |
asx:FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeTable |
| 1751 |
Components of equity [axis] |
Axis |
|
|
ifrs-full:ComponentsOfEquityAxis |
| 1752 |
Equity [member] |
Member |
|
|
ifrs-full:EquityMember |
| 1753 |
Unrealized gain (loss) on financial assets at fair value through other comprehensive income [member] |
Member |
|
|
asx:UnrealizedGainLossOnFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeMember |
| 1754 |
Financial assets at fair value through other comprehensive income [line items] |
LineItems |
|
|
asx:FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeLineItems |
| 1755 |
Balance at January 1 per IAS 39 |
Concept (Monetary) |
As Of |
Debit |
asx:FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeBeforeAdjustmentOnInitialApplicationOfIFRS9 |
| 1756 |
Adjustment on initial application of IFRS 9 (Note 3) |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:IncreaseDecreaseInFinancialAssetsOnBasisOfMeasurementCategoryFirstApplicationOfIFRS9 |
| 1757 |
Beginning balance |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:FinancialAssetsAtFairValueThroughOtherComprehensiveIncome |
| 1758 |
Debt instruments |
Concept (Monetary) |
For Period |
Debit |
asx:FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeUnrealizedGainLossInDebtInstruments |
| 1759 |
Equity instruments |
Concept (Monetary) |
For Period |
Debit |
asx:FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeUnrealizedGainLossInEquityInstruments |
| 1760 |
Share from associates and joint venture accounted for using the equity method |
Concept (Monetary) |
For Period |
Debit |
asx:FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeUnrealizedGainLossFromShareFromAssociatesAndJointVentureAccountedForUsingEquityMethod |
| 1761 |
Disposal of equity instruments and transferred cumulative gain to retained earnings |
Concept (Monetary) |
For Period |
Debit |
asx:FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeRealizedLossGainFromDisposalOfEquityInstrumentsAndTransferredCumulativeGainOrLossToRetainedEarnings |
| 1762 |
Disposal of associates and joint venture accounted for using the equity method |
Concept (Monetary) |
For Period |
Debit |
asx:FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeRealizedLossGainFromDisposalOfAssociatesAndJointVentureAccountedForUsingTheEquityMethod |
| 1763 |
Share from associates and joint venture accounted for using the equity method |
Concept (Monetary) |
For Period |
Debit |
asx:FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeRealizedLossGainFromShareFromAssociatesAndJointVentureAccountedForUsingTheEquityMethod |
| 1764 |
Ending balance |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:FinancialAssetsAtFairValueThroughOtherComprehensiveIncome |
| 1765 |
1153 - Disclosure - Equity - Summary of Treasury Shares (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureEquitySummaryOfTreasuryShares |
| 1766 |
Statement of changes in equity [table] |
Table |
* |
* |
ifrs-full:StatementOfChangesInEquityTable |
| 1767 |
Components of equity [axis] |
Axis |
|
|
ifrs-full:ComponentsOfEquityAxis |
| 1768 |
Equity [member] |
Member |
|
|
ifrs-full:EquityMember |
| 1769 |
Shares held by subsidiaries [member] |
Member |
|
|
asx:SharesHeldBySubsidiariesMember |
| 1770 |
Shares reserved for bonds conversion [member] |
Member |
|
|
asx:BondsAndConvertibleBondsMember |
| 1771 |
Equity Shares Held by Controlled Trust [member] |
Member |
|
|
asx:EquitySharesHeldByControlledTrustMember |
| 1772 |
Statement of changes in equity [Line items] |
LineItems |
|
|
ifrs-full:StatementOfChangesInEquityLineItems |
| 1773 |
Beginning balance |
Concept (Shares) |
As Of |
|
asx:NumberOfTreasurySharesOutstanding |
| 1774 |
Addition |
Concept (Shares) |
For Period |
|
asx:PurchaseOfTreasurySharesShares |
| 1775 |
Decrease |
Concept (Shares) |
For Period |
|
asx:DecreaseInNumberOfTreasurySharesDisposedOfDuringThePeriod |
| 1776 |
Ending balance |
Concept (Shares) |
As Of |
|
asx:NumberOfTreasurySharesOutstanding |
| 1777 |
1154 - Disclosure - Equity - Summary of Shares Held By Subsidiaries (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureEquitySummaryOfSharesHeldBySubsidiaries |
| 1778 |
Disclosure of subsidiaries [table] |
Table |
* |
* |
ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesTable |
| 1779 |
Measurement [axis] |
Axis |
|
|
ifrs-full:MeasurementAxis |
| 1780 |
Aggregated measurement [member] |
Member |
|
|
ifrs-full:AggregatedMeasurementMember |
| 1781 |
Fair value [member] |
Member |
|
|
ifrs-full:AtFairValueMember |
| 1782 |
Subsidiaries [axis] |
Axis |
|
|
ifrs-full:SignificantInvestmentsInSubsidiariesAxis |
| 1783 |
Entity's total for subsidiaries [member] |
Member |
|
|
ifrs-full:EntitysTotalForSubsidiariesMember |
| 1784 |
ASE Test Limited [member] |
Member |
|
|
asx:ASETestLimitedMember |
| 1785 |
J & R Holding Limited [member] |
Member |
|
|
asx:JAndRHoldingLimitedMember |
| 1786 |
ASE Test, Inc. [member] |
Member |
|
|
asx:ASETestIncMember |
| 1787 |
Disclosure of subsidiaries [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesLineItems |
| 1788 |
Shares Held By Subsidiaries (in thousands) |
Concept (Shares) |
As Of |
|
ifrs-full:SharesInEntityHeldByEntityOrByItsSubsidiariesOrAssociates |
| 1789 |
Shares Held By Subsidiaries, Value |
Concept (Monetary) |
As Of |
Credit |
asx:SharesHeldBySubsidiariesValue |
| 1790 |
1155 - Disclosure - Equity - Summary of Non-controlling Interests (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureEquitySummaryOfNoncontrollingInterests |
| 1791 |
Statement of changes in equity [table] |
Table |
* |
* |
ifrs-full:StatementOfChangesInEquityTable |
| 1792 |
Components of equity [axis] |
Axis |
|
|
ifrs-full:ComponentsOfEquityAxis |
| 1793 |
Equity [member] |
Member |
|
|
ifrs-full:EquityMember |
| 1794 |
Non-controlling interests [member] |
Member |
|
|
ifrs-full:NoncontrollingInterestsMember |
| 1795 |
Retrospective application and retrospective restatement [axis] |
Axis |
|
|
ifrs-full:RetrospectiveApplicationAndRetrospectiveRestatementAxis |
| 1796 |
Currently stated [member] |
Member |
|
|
ifrs-full:RestatedMember |
| 1797 |
Pre IFRS 15 [member] |
Member |
|
|
asx:PreIFRS15Member |
| 1798 |
Adjustments arising from initial application [member] |
Member |
|
|
ifrs-full:IncreaseDecreaseDueToApplicationOfIFRS15Member |
| 1799 |
Adoption of IFRS 15 [member] |
Member |
|
|
asx:IFRS15Member |
| 1800 |
Statement of changes in equity [Line items] |
LineItems |
|
|
ifrs-full:StatementOfChangesInEquityLineItems |
| 1801 |
Share of profit for the year |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLossAttributableToNoncontrollingInterests |
| 1802 |
Balance at January 1 |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Equity |
| 1803 |
OTHER COMPREHENSIVE INCOME (LOSS) |
Abstract |
|
|
ifrs-full:OtherComprehensiveIncomeAbstract |
| 1804 |
Exchange difference on translating foreign operations |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:GainsLossesOnExchangeDifferencesOnTranslationNetOfTax |
| 1805 |
Unrealized gain on available-for-sale financial assets |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:GainsLossesOnRemeasuringAvailableforsaleFinancialAssetsNetOfTax |
| 1806 |
Unrealized loss on equity instruments at FVTOCI |
Concept (Monetary) |
For Period |
Credit |
asx:GainsLossesOnUnrealizedLossOnEquityInstrumentsAtFVTOCI |
| 1807 |
Remeasurement on defined benefit plans |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:GainLossOnRemeasurementOfNetDefinedBenefitLiabilityAsset |
| 1808 |
Non-controlling interests arising from acquisition of subsidiaries (Note 30) |
Concept (Monetary) |
For Period |
Credit |
asx:RecognitionOfNoncontrollingInterestUponAcquisition |
| 1809 |
Acquisition of non-controlling interests in subsidiaries |
Concept (Monetary) |
For Period |
Credit |
asx:NoncontrollingInterestInAcquireeRecognisedAtAcquisition |
| 1810 |
Partial disposal of subsidiaries (Note 32) |
Concept (Monetary) |
For Period |
Credit |
asx:IncreaseDecreaseInNoncontrollingInterestThroughDisposalOfSubsidiary |
| 1811 |
Subsidiaries' buy back of their own outstanding ordinary shares (Note 32) |
Concept (Monetary) |
For Period |
Credit |
asx:IncreaseDecreaseInNoncontrollingInterestsArisingFromRepurchaseOfOutstandingOrdinarySharesOfSubsidiaries |
| 1812 |
Non-controlling interest relating to outstanding vested employee share options granted by subsidiaries |
Concept (Monetary) |
For Period |
Credit |
asx:IncreaseDecreaseInNoncontrollingInterestsArisingFromOutstandingVestedShareOptionsHeldByTheEmployeesOfSubsidiaries |
| 1813 |
Non-controlling interest relating to outstanding expired employee share options granted by subsidiaries |
Concept (Monetary) |
For Period |
Credit |
asx:IncreaseDecreaseInNoncontrollingInterestRelatingToOutstandingExpiredShareOptions |
| 1814 |
Cash dividends to non-controlling interests |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:DividendsPaidToNoncontrollingInterests |
| 1815 |
Balance at December 31 |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Equity |
| 1816 |
Adjustment on initial application of IFRS 15 (Note 3) |
Concept (Monetary) |
As Of |
Credit |
asx:IncreaseDecreaseInNoncontrollingInterestsDueToInitialApplicationOfIFRS9 |
| 1817 |
1156 - Disclosure - Profit Before Income Tax - Summary of Other Operating Income and Expenses, Net (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureProfitBeforeIncomeTaxSummaryOfOtherOperatingIncomeAndExpensesNet |
| 1818 |
Implied Table |
Table |
* |
* |
implied:Table |
| 1819 |
Analysis of income and expense [abstract] |
Abstract |
|
|
ifrs-full:AnalysisOfIncomeAndExpenseAbstract |
| 1820 |
Rental income |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:RentalIncome |
| 1821 |
Gains (losses) on disposal of property, plant and equipment and other assets |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:GainsLossesOnDisposalsOfNoncurrentAssets |
| 1822 |
Impairment losses on property, plant and equipment and goodwill |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ImpairmentLoss |
| 1823 |
Loss on damages and claims |
Concept (Monetary) |
For Period |
Debit |
asx:LossOnDamagesAndClaims |
| 1824 |
Others |
Concept (Monetary) |
For Period |
Credit |
asx:MiscellaneousOtherOperatingIncomeExpense |
| 1825 |
Other operating income and expenses, net |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:OtherOperatingIncomeExpense |
| 1826 |
1157 - Disclosure - Profit Before Income Tax - Summary of Other Income (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureProfitBeforeIncomeTaxSummaryOfOtherIncome |
| 1827 |
Implied Table |
Table |
* |
* |
implied:Table |
| 1828 |
Analysis of income and expense [abstract] |
Abstract |
|
|
ifrs-full:AnalysisOfIncomeAndExpenseAbstract |
| 1829 |
Government subsidy |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:RevenueFromGovernmentGrants |
| 1830 |
Interest income |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:RevenueFromInterest |
| 1831 |
Dividends income |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:RevenueFromDividends |
| 1832 |
Other income |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:FinanceIncome |
| 1833 |
1158 - Disclosure - Profit Before Income Tax - Summary of Other Gains, Net (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureProfitBeforeIncomeTaxSummaryOfOtherGainsNet |
| 1834 |
Implied Table |
Table |
* |
* |
implied:Table |
| 1835 |
Analysis of income and expense [abstract] |
Abstract |
|
|
ifrs-full:AnalysisOfIncomeAndExpenseAbstract |
| 1836 |
Gain on remeasurement of investments accounted for using the equity method (Note 15) |
Concept (Monetary) |
For Period |
Credit |
asx:GainsLossesOnRemeasurementOfInvestmentsAccountedForUsingTheEquityMethod |
| 1837 |
Net gains on financial assets mandatorily at FVTPL |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLoss |
| 1838 |
Gain on disposal of subsidiaries (Note 31) |
Concept (Monetary) |
For Period |
Credit |
asx:GainLossOnDisposalOfSharesOfSubsidiary |
| 1839 |
Net gains (losses) arising on financial instruments held for trading |
Concept (Monetary) |
For Period |
Credit |
asx:GainsLossesOnFinancialAssetsAndLiabilitiesAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading |
| 1840 |
Net gains on financial assets designated as at FVTPL |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLossDesignatedAsUponInitialRecognition |
| 1841 |
Foreign exchange gains (losses), net |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss |
| 1842 |
Impairment losses on financial assets |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ImpairmentLossOnFinancialAssets |
| 1843 |
Others |
Concept (Monetary) |
For Period |
Credit |
asx:MiscellaneousOtherGainsLosses |
| 1844 |
Other gains and losses |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:OtherGainsLosses |
| 1845 |
1159 - Disclosure - Profit Before Income Tax - Summary of Finance Costs (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureProfitBeforeIncomeTaxSummaryOfFinanceCosts |
| 1846 |
Implied Table |
Table |
* |
* |
implied:Table |
| 1847 |
Analysis of income and expense [abstract] |
Abstract |
|
|
ifrs-full:AnalysisOfIncomeAndExpenseAbstract |
| 1848 |
Total interest expense for financial liabilities measured at amortized cost |
Concept (Monetary) |
For Period |
Debit |
asx:InterestExpenseOnFinancialLiabilitiesMeasuredAtAmortizedCost |
| 1849 |
Less: Amounts included in the cost of qualifying assets |
Abstract |
|
|
asx:AmountsIncludedInTheCostOfQualifyingAssetsAbstract |
| 1850 |
Inventories related to real estate business |
Concept (Monetary) |
For Period |
|
asx:InventoriesRelatedToRealEstateBusinessCostsCapitalised |
| 1851 |
Property, plant and equipment |
Concept (Monetary) |
For Period |
|
ifrs-full:BorrowingCostsCapitalised |
| 1852 |
Investment properties |
Concept (Monetary) |
For Period |
|
asx:BorrowingCostsCapitalisedInvestmentProperty |
| 1853 |
Interest expense |
Concept (Monetary) |
For Period |
Debit |
asx:InterestExpenseExcludingLossOnDerivatives |
| 1854 |
Other finance costs |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:OtherFinanceCost |
| 1855 |
Finance costs |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:FinanceCosts |
| 1856 |
1160 - Disclosure - Profit Before Income Tax - Summary of Capitalized Borrowing Costs (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureProfitBeforeIncomeTaxSummaryOfCapitalizedBorrowingCosts |
| 1857 |
Disclosure of detailed information about borrowings [table] |
Table |
* |
* |
ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable |
| 1858 |
Assets and liabilities [axis] |
Axis |
|
|
ifrs-full:AssetsAndLiabilitiesAxis |
| 1859 |
Assets and liabilities [member] |
Member |
|
|
ifrs-full:AssetsAndLiabilitiesMember |
| 1860 |
Inventories related to real estate business [member] |
Member |
|
|
asx:Inventories1Member |
| 1861 |
Property, plant and equipment [member] |
Member |
|
|
ifrs-full:PropertyPlantAndEquipmentMember |
| 1862 |
Investment properties [member] |
Member |
|
|
ifrs-full:InvestmentPropertyMember |
| 1863 |
Range [axis] |
Axis |
|
|
ifrs-full:RangeAxis |
| 1864 |
Ranges [member] |
Member |
|
|
ifrs-full:RangesMember |
| 1865 |
Bottom of range [member] |
Member |
|
|
ifrs-full:BottomOfRangeMember |
| 1866 |
Top of range [member] |
Member |
|
|
ifrs-full:TopOfRangeMember |
| 1867 |
Disclosure of detailed information about borrowings [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems |
| 1868 |
Annual interest capitalization rates |
Concept (Percent) |
For Period |
|
ifrs-full:CapitalisationRateOfBorrowingCostsEligibleForCapitalisation |
| 1869 |
1161 - Disclosure - Profit Before Income Tax - Summary of Depreciation and Amortization (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureProfitBeforeIncomeTaxSummaryOfDepreciationAndAmortization |
| 1870 |
Analysis Of Income And Expense [table] |
Table |
* |
* |
asx:AnalysisOfIncomeAndExpenseTable |
| 1871 |
Income Statement Location 1 [axis] |
Axis |
|
|
asx:IncomeStatementLocation1Axis |
| 1872 |
Income Statement Location 1 [member] |
Member |
|
|
asx:IncomeStatementLocationMember |
| 1873 |
Operating costs [member] |
Member |
|
|
asx:OperatingCostsMember |
| 1874 |
Operating expenses [member] |
Member |
|
|
asx:OperatingExpense1Member |
| 1875 |
Analysis of income and expense [Line Items] |
LineItems |
|
|
asx:AnalysisOfIncomeAndExpenseLineItems |
| 1876 |
Property, plant and equipment depreciation |
Concept (Monetary) |
For Period |
|
ifrs-full:DepreciationPropertyPlantAndEquipment |
| 1877 |
Investment properties |
Concept (Monetary) |
For Period |
|
ifrs-full:DepreciationInvestmentProperty |
| 1878 |
Intangible assets amortization |
Concept (Monetary) |
For Period |
|
ifrs-full:AmortisationIntangibleAssetsOtherThanGoodwill |
| 1879 |
Depreciation and amortization |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:DepreciationAndAmortisationExpense |
| 1880 |
Depreciation expense |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:DepreciationExpense |
| 1881 |
1162 - Disclosure - Profit Before Income Tax - Summary of Operating Expenses Directly Related to Investment Properties (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureProfitBeforeIncomeTaxSummaryOfOperatingExpensesDirectlyRelatedToInvestmentProperties |
| 1882 |
Implied Table |
Table |
* |
* |
implied:Table |
| 1883 |
Direct operating expense from investment property [abstract] |
Abstract |
|
|
ifrs-full:DirectOperatingExpenseFromInvestmentPropertyAbstract |
| 1884 |
Direct operating expenses of investment properties that generated rental income |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:DirectOperatingExpenseFromInvestmentPropertyGeneratingRentalIncome |
| 1885 |
1163 - Disclosure - Profit Before Income Tax - Summary of Employee Benefits Expense (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureProfitBeforeIncomeTaxSummaryOfEmployeeBenefitsExpense |
| 1886 |
Analysis Of Income And Expense [table] |
Table |
* |
* |
asx:AnalysisOfIncomeAndExpenseTable |
| 1887 |
Income Statement Location 1 [axis] |
Axis |
|
|
asx:IncomeStatementLocation1Axis |
| 1888 |
Income Statement Location 1 [member] |
Member |
|
|
asx:IncomeStatementLocationMember |
| 1889 |
Operating costs [member] |
Member |
|
|
asx:OperatingCostsMember |
| 1890 |
Operating expense [member] |
Member |
|
|
asx:OperatingExpenseMember |
| 1891 |
Analysis of income and expense [Line Items] |
LineItems |
|
|
asx:AnalysisOfIncomeAndExpenseLineItems |
| 1892 |
Post-employment benefits |
Abstract |
|
|
ifrs-full:ClassesOfEmployeeBenefitsExpenseAbstract |
| 1893 |
Defined contribution plans |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:PostemploymentBenefitExpenseDefinedContributionPlans |
| 1894 |
Defined benefit plans |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:PostemploymentBenefitExpenseDefinedBenefitPlans |
| 1895 |
Post-employment benefits |
Concept (Monetary) |
For Period |
Debit |
asx:PostEmploymentBenefitExpense |
| 1896 |
Equity-settled share-based payments |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ExpenseFromSharebasedPaymentTransactionsWithEmployees |
| 1897 |
Other employee benefits |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:OtherShorttermEmployeeBenefits |
| 1898 |
Employee benefits expense |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:EmployeeBenefitsExpense |
| 1899 |
1164 - Disclosure - Profit Before Income Tax - Additional Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureProfitBeforeIncomeTaxAdditionalInformation |
| 1900 |
Analysis Of Income And Expense [table] |
Table |
* |
* |
asx:AnalysisOfIncomeAndExpenseTable |
| 1901 |
Range [axis] |
Axis |
|
|
ifrs-full:RangeAxis |
| 1902 |
Ranges [member] |
Member |
|
|
ifrs-full:RangesMember |
| 1903 |
Bottom of range [member] |
Member |
|
|
ifrs-full:BottomOfRangeMember |
| 1904 |
Top of range [member] |
Member |
|
|
ifrs-full:TopOfRangeMember |
| 1905 |
Analysis of income and expense [Line Items] |
LineItems |
|
|
asx:AnalysisOfIncomeAndExpenseLineItems |
| 1906 |
Percentage of employees' compensation |
Concept (Percent) |
For Period |
|
asx:PercentageOfEmployeesCompensation |
| 1907 |
Employees' compensation |
Concept (Monetary) |
For Period |
Debit |
asx:EmployeesCompensation |
| 1908 |
Remuneration to directors |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:DirectorsRemunerationExpense |
| 1909 |
Percentage of remuneration to directors |
Concept (Percent) |
For Period |
|
asx:PercentageOfRemunerationToDirectors |
| 1910 |
1165 - Disclosure - Income Tax - Summary of Major Components of Income Tax Expense (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureIncomeTaxSummaryOfMajorComponentsOfIncomeTaxExpense |
| 1911 |
Implied Table |
Table |
* |
* |
implied:Table |
| 1912 |
Major components of tax expense (income) [abstract] |
Abstract |
|
|
ifrs-full:MajorComponentsOfTaxExpenseIncomeAbstract |
| 1913 |
Current income tax |
Abstract |
|
|
ifrs-full:CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriodsAbstract |
| 1914 |
In respect of the current year |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:CurrentTaxExpenseIncome |
| 1915 |
Income tax on unappropriated earnings |
Concept (Monetary) |
For Period |
Credit |
asx:IncomeTaxOnUnappropriatedEarnings |
| 1916 |
Changes in estimate for prior years |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdjustmentsForCurrentTaxOfPriorPeriod |
| 1917 |
Current income tax |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriods |
| 1918 |
Deferred income tax |
Abstract |
|
|
ifrs-full:DeferredTaxExpenseIncomeAbstract |
| 1919 |
In respect of the current year |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:DeferredTaxExpenseIncome |
| 1920 |
Effect of tax rate changes |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:DeferredTaxExpenseIncomeRelatingToTaxRateChangesOrImpositionOfNewTaxes |
| 1921 |
Changes in estimate for prior years |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdjustmentsForDeferredTaxOfPriorPeriods |
| 1922 |
Effect of foreign currency exchange differences |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:DeferredTaxExpenseIncomeRelatingToOriginationAndReversalOfTemporaryDifferences |
| 1923 |
Deferred income tax |
Concept (Monetary) |
For Period |
|
ifrs-full:DeferredTaxExpenseIncomeRecognisedInProfitOrLoss |
| 1924 |
Income tax expense recognized in profit or loss |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:IncomeTaxExpenseContinuingOperations |
| 1925 |
1166 - Disclosure - Income Tax - Summary of Reconciliation of Income Tax Expense (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureIncomeTaxSummaryOfReconciliationOfIncomeTaxExpense |
| 1926 |
Implied Table |
Table |
* |
* |
implied:Table |
| 1927 |
Major components of tax expense (income) [abstract] |
Abstract |
|
|
ifrs-full:MajorComponentsOfTaxExpenseIncomeAbstract |
| 1928 |
Profit before income tax |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLossBeforeTax |
| 1929 |
Income tax expense calculated at the statutory rates |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:TaxExpenseIncomeAtApplicableTaxRate |
| 1930 |
Nontaxable expense (income) in determining taxable income |
Concept (Monetary) |
For Period |
Debit |
asx:TaxEffectOfNetIncomeExpenseNotSubjectToTax |
| 1931 |
Tax-exempt income |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:TaxEffectOfRevenuesExemptFromTaxation2011 |
| 1932 |
Additional income tax on unappropriated earnings |
Concept (Monetary) |
For Period |
Debit |
asx:TaxEffectOfUnappropriatedEarnings |
| 1933 |
Loss carry-forward and income tax credits currently used |
Concept (Monetary) |
For Period |
Debit |
asx:TaxEffectOfLossCarryforwardAndIncomeTaxCreditsCurrentlyUsed |
| 1934 |
Remeasurement of deferred income tax assets, net |
Concept (Monetary) |
For Period |
Debit |
asx:TaxEffectOfRemeasurementOfDeferredIncomeTaxAssets |
| 1935 |
Changes in estimate for prior periods |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:TaxEffectFromChangeInTaxRate |
| 1936 |
Withholding tax |
Concept (Monetary) |
For Period |
Debit |
asx:TaxEffectOfWithholdingTaxes |
| 1937 |
Land value increment tax |
Concept (Monetary) |
For Period |
Debit |
asx:TaxEffectOfLandValueIncrementTax |
| 1938 |
Income tax expense recognized in profit or loss |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:IncomeTaxExpenseContinuingOperations |
| 1939 |
1167 - Disclosure - Income Tax - Additional Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureIncomeTaxAdditionalInformation |
| 1940 |
Disclosure Of Income Taxes [table] |
Table |
* |
* |
asx:DisclosureOfIncomeTaxesTable |
| 1941 |
Subsidiaries [axis] |
Axis |
|
|
ifrs-full:SignificantInvestmentsInSubsidiariesAxis |
| 1942 |
Entity's total for subsidiaries [member] |
Member |
|
|
ifrs-full:EntitysTotalForSubsidiariesMember |
| 1943 |
Subsidiaries [member] |
Member |
|
|
ifrs-full:SubsidiariesMember |
| 1944 |
Geographical areas [axis] |
Axis |
|
|
ifrs-full:GeographicalAreasAxis |
| 1945 |
Geographical areas [member] |
Member |
|
|
ifrs-full:GeographicalAreasMember |
| 1946 |
China [member] |
Member |
|
|
country:CN |
| 1947 |
Disclosure of income taxes [line items] |
LineItems |
|
|
asx:DisclosureOfIncomeTaxesLineItems |
| 1948 |
Applied tax rate |
Concept (Percent) |
For Period |
|
ifrs-full:ApplicableTaxRate |
| 1949 |
Income tax on unappropriated earnings |
Concept (Percent) |
For Period |
|
asx:IncomeTaxRateOnUnappropriatedEarnings |
| 1950 |
Reduction tax rate |
Concept (Percent) |
For Period |
|
asx:ReductionInTaxRate |
| 1951 |
Taxable temporary differences associated with the investments in subsidiaries for which no deferred tax liabilities recognized |
Concept (Monetary) |
As Of |
|
ifrs-full:TemporaryDifferencesAssociatedWithInvestmentsInSubsidiariesBranchesAndAssociatesAndInterestsInJointVentures |
| 1952 |
1168 - Disclosure - Income Tax - Summary of Income Tax Recognized Directly in Equity (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureIncomeTaxSummaryOfIncomeTaxRecognizedDirectlyInEquity |
| 1953 |
Implied Table |
Table |
* |
* |
implied:Table |
| 1954 |
Current and deferred tax relating to items charged or credited directly to equity [abstract] |
Abstract |
|
|
ifrs-full:CurrentAndDeferredTaxRelatingToItemsChargedOrCreditedDirectlyToEquityAbstract |
| 1955 |
Deferred income tax related to employee share options |
Concept (Monetary) |
For Period |
|
ifrs-full:DeferredTaxRelatingToItemsChargedOrCreditedDirectlyToEquity |
| 1956 |
1169 - Disclosure - Income Tax - Summary of Income Tax Recognized in Other Comprehensive Income (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureIncomeTaxSummaryOfIncomeTaxRecognizedInOtherComprehensiveIncome |
| 1957 |
Implied Table |
Table |
* |
* |
implied:Table |
| 1958 |
Income tax relating to components of other comprehensive income [abstract] |
Abstract |
|
|
ifrs-full:IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeAbstract |
| 1959 |
Deferred income tax Related to remeasurement of defined benefit plans |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:IncomeTaxRelatingToRemeasurementsOfDefinedBenefitPlansOfOtherComprehensiveIncome |
| 1960 |
Effect of tax rate changes |
Concept (Monetary) |
For Period |
Debit |
asx:IncomeTaxRelatingToChangeInTaxRate |
| 1961 |
Income tax recognized in other comprehensive income |
Concept (Monetary) |
For Period |
|
ifrs-full:IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome |
| 1962 |
1170 - Disclosure - Income Tax - Summary of Current Tax Assets and Liabilities (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureIncomeTaxSummaryOfCurrentTaxAssetsAndLiabilities |
| 1963 |
Implied Table |
Table |
* |
* |
implied:Table |
| 1964 |
Major components of tax expense (income) [abstract] |
Abstract |
|
|
ifrs-full:MajorComponentsOfTaxExpenseIncomeAbstract |
| 1965 |
Current tax assets |
Abstract |
|
|
asx:CurrentTaxAssetsAbstract |
| 1966 |
Tax refund receivable |
Concept (Monetary) |
As Of |
Debit |
asx:CurrentTaxRefundReceivable |
| 1967 |
Prepaid income tax |
Concept (Monetary) |
As Of |
Debit |
asx:CurrentPrepaidIncomeTax |
| 1968 |
Current tax assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CurrentTaxAssetsCurrent |
| 1969 |
Current tax liabilities |
Abstract |
|
|
asx:CurrentTaxLiabilitiesAbstract |
| 1970 |
Income tax payable |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:CurrentTaxLiabilitiesCurrent |
| 1971 |
1171 - Disclosure - Income Tax - Summary of Movements of Deferred Tax Assets and Deferred Tax Liabilities (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureIncomeTaxSummaryOfMovementsOfDeferredTaxAssetsAndDeferredTaxLiabilities |
| 1972 |
Disclosure of temporary difference, unused tax losses and unused tax credits [table] |
Table |
* |
* |
ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable |
| 1973 |
Retrospective application and retrospective restatement [axis] |
Axis |
|
|
ifrs-full:RetrospectiveApplicationAndRetrospectiveRestatementAxis |
| 1974 |
Currently stated [member] |
Member |
|
|
ifrs-full:RestatedMember |
| 1975 |
Adjustments arising from initial application [member] |
Member |
|
|
ifrs-full:IncreaseDecreaseDueToApplicationOfIFRS15Member |
| 1976 |
Temporary difference, unused tax losses and unused tax credits [axis] |
Axis |
|
|
ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis |
| 1977 |
Temporary difference, unused tax losses and unused tax credits [member] |
Member |
|
|
ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember |
| 1978 |
Property, plant and equipment [member] |
Member |
|
|
ifrs-full:PropertyPlantAndEquipmentMember |
| 1979 |
Defined benefit obligation [member] |
Member |
|
|
ifrs-full:PresentValueOfDefinedBenefitObligationMember |
| 1980 |
Mandatorily at fair value through profit or loss [member] |
Member |
|
|
ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember |
| 1981 |
Other temporary differences [member] |
Member |
|
|
ifrs-full:OtherTemporaryDifferencesMember |
| 1982 |
Temporary differences [member] |
Member |
|
|
ifrs-full:TemporaryDifferenceMember |
| 1983 |
Unused tax losses [member] |
Member |
|
|
ifrs-full:UnusedTaxLossesMember |
| 1984 |
Unused tax credits [member] |
Member |
|
|
ifrs-full:UnusedTaxCreditsMember |
| 1985 |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems |
| 1986 |
Balance at January 1 |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:DeferredTaxLiabilityAsset |
| 1987 |
Recognized in Profit or Loss |
Concept (Monetary) |
For Period |
|
ifrs-full:DeferredTaxExpenseIncomeRecognisedInProfitOrLoss |
| 1988 |
Recognized in Other Comprehensive Income |
Concept (Monetary) |
For Period |
|
ifrs-full:IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome |
| 1989 |
Recognized in Equity |
Concept (Monetary) |
For Period |
|
ifrs-full:DeferredTaxRelatingToItemsChargedOrCreditedDirectlyToEquity |
| 1990 |
Exchange Differences |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesDeferredTaxLiabilityAsset |
| 1991 |
Acquisitions Through Business Combinations |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:IncreaseDecreaseThroughBusinessCombinationsDeferredTaxLiabilityAsset |
| 1992 |
Balance at December 31 |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:DeferredTaxLiabilityAsset |
| 1993 |
1172 - Disclosure - Income Tax - Summary of Unrecognized Deferred Tax Assets Related to Loss Carry-forward, Investment Credits and Deductible Temporary Differences (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureIncomeTaxSummaryOfUnrecognizedDeferredTaxAssetsRelatedToLossCarryforwardInvestmentCreditsAndDeductibleTemporaryDifferences |
| 1994 |
Implied Table |
Table |
* |
* |
implied:Table |
| 1995 |
Disclosure of temporary difference, unused tax losses and unused tax credits [abstract] |
Abstract |
|
|
ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAbstract |
| 1996 |
Loss carry-forward |
Concept (Monetary) |
As Of |
|
ifrs-full:UnusedTaxLossesForWhichNoDeferredTaxAssetRecognised |
| 1997 |
Deductible temporary differences |
Concept (Monetary) |
As Of |
|
ifrs-full:DeductibleTemporaryDifferencesForWhichNoDeferredTaxAssetIsRecognised |
| 1998 |
Unrecognized deferred tax assets |
Concept (Monetary) |
As Of |
Debit |
asx:UnrecognizedDeferredTaxAssets |
| 1999 |
1173 - Disclosure - Income Tax - Summary of Unused Loss Carry-forward (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureIncomeTaxSummaryOfUnusedLossCarryforward |
| 2000 |
Disclosure of temporary difference, unused tax losses and unused tax credits [table] |
Table |
* |
* |
ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable |
| 2001 |
Temporary difference, unused tax losses and unused tax credits [axis] |
Axis |
|
|
ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis |
| 2002 |
Temporary difference, unused tax losses and unused tax credits [member] |
Member |
|
|
ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember |
| 2003 |
Unused tax losses [member] |
Member |
|
|
ifrs-full:UnusedTaxLossesMember |
| 2004 |
Maturity [axis] |
Axis |
|
|
ifrs-full:MaturityAxis |
| 2005 |
Aggregated time bands [member] |
Member |
|
|
ifrs-full:AggregatedTimeBandsMember |
| 2006 |
2019 [member] |
Member |
|
|
asx:YearOneMember |
| 2007 |
2020 [member] |
Member |
|
|
asx:YearTwoMember |
| 2008 |
2021 [member] |
Member |
|
|
asx:YearThreeMember |
| 2009 |
2022 [member] |
Member |
|
|
asx:YearFourMember |
| 2010 |
2023 and thereafter [member] |
Member |
|
|
asx:YearFiveAndThereAfterMember |
| 2011 |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems |
| 2012 |
Unused loss carry-forward |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:NetDeferredTaxLiabilities |
| 2013 |
1174 - Disclosure - Income Tax - Summary of Unused Investment Credits (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureIncomeTaxSummaryOfUnusedInvestmentCredits |
| 2014 |
Disclosure of temporary difference, unused tax losses and unused tax credits [table] |
Table |
* |
* |
ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable |
| 2015 |
Assets and liabilities [axis] |
Axis |
|
|
ifrs-full:AssetsAndLiabilitiesAxis |
| 2016 |
Assets and liabilities [member] |
Member |
|
|
ifrs-full:AssetsAndLiabilitiesMember |
| 2017 |
Purchase of machinery and equipment [member] |
Member |
|
|
asx:PurchaseOfMachineryAndEquipmentMember |
| 2018 |
Others [member] |
Member |
|
|
asx:OtherTaxesMember |
| 2019 |
Temporary difference, unused tax losses and unused tax credits [axis] |
Axis |
|
|
ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis |
| 2020 |
Temporary difference, unused tax losses and unused tax credits [member] |
Member |
|
|
ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember |
| 2021 |
Unused tax credits [member] |
Member |
|
|
ifrs-full:UnusedTaxCreditsMember |
| 2022 |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems |
| 2023 |
Remaining Creditable Amount |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:NetDeferredTaxLiabilities |
| 2024 |
Expiry Year |
Concept (Text/String) |
For Period |
|
asx:UnusedTaxCreditsExpirationDescription |
| 2025 |
1175 - Disclosure - Income Tax - Summary of Projects were Exempted From Income Tax (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureIncomeTaxSummaryOfProjectsWereExemptedFromIncomeTax |
| 2026 |
Disclosure of temporary difference, unused tax losses and unused tax credits [table] |
Table |
* |
* |
ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable |
| 2027 |
Types of investment property [axis] |
Axis |
|
|
ifrs-full:TypesOfInvestmentPropertyAxis |
| 2028 |
Investment properties [member] |
Member |
|
|
ifrs-full:InvestmentPropertyMember |
| 2029 |
Construction and expansion of 2007 by the company [member] |
Member |
|
|
asx:ConstructionAndExpansionOfTwoThousandAndSevenMember |
| 2030 |
Construction and expansion of 2008 [member] |
Member |
|
|
asx:ConstructionAndExpansionOfTwoThousandAndEightMember |
| 2031 |
Construction and expansion of 2009 [member] |
Member |
|
|
asx:ConstructionAndExpansionOfTwoThousandAndNineMember |
| 2032 |
Subsidiaries [axis] |
Axis |
|
|
ifrs-full:SignificantInvestmentsInSubsidiariesAxis |
| 2033 |
Entity's total for subsidiaries [member] |
Member |
|
|
ifrs-full:EntitysTotalForSubsidiariesMember |
| 2034 |
ASE Test, Inc. [member] |
Member |
|
|
asx:ASETestIncMember |
| 2035 |
ASE Electronics Inc. [member] |
Member |
|
|
asx:ASEElectronicsIncMember |
| 2036 |
Siliconware Precision Industries Co., Ltd. [member] |
Member |
|
|
asx:SiliconwarePrecisionIndustriesCoLtdMember |
| 2037 |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems |
| 2038 |
Tax-exemption period, start date |
Concept (Year/Month) |
For Period |
|
asx:TaxExemptionPeriodStartDate |
| 2039 |
Tax-exemption period, end date |
Concept (Year/Month) |
For Period |
|
asx:TaxExemptionPeriodEndDate |
| 2040 |
1176 - Disclosure - Earnings Per Share - Summary of Earnings and Weighted Average Number of Ordinary Shares Outstanding in Computation of Earnings Per Share (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureEarningsPerShareSummaryOfEarningsAndWeightedAverageNumberOfOrdinarySharesOutstandingInComputationOfEarningsPerShare |
| 2041 |
Earnings per share [table] |
Table |
* |
* |
ifrs-full:EarningsPerShareTable |
| 2042 |
Retrospective application and retrospective restatement [axis] |
Axis |
|
|
ifrs-full:RetrospectiveApplicationAndRetrospectiveRestatementAxis |
| 2043 |
Currently stated [member] |
Member |
|
|
ifrs-full:RestatedMember |
| 2044 |
Before Retrospectively Adjusted [member] |
Member |
|
|
ifrs-full:PreviouslyStatedMember |
| 2045 |
Earnings per share [line items] |
LineItems |
|
|
ifrs-full:EarningsPerShareLineItems |
| 2046 |
Profit for the year attributable to owners of the Company |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLossAttributableToOwnersOfParent |
| 2047 |
Effect of potentially dilutive ordinary shares: |
Abstract |
|
|
asx:EffectOfPotentiallyDilutiveOrdinarySharesAbstract |
| 2048 |
From subsidiaries |
Concept (Monetary) |
For Period |
Credit |
asx:DilutedImpactFromSubsidiaries |
| 2049 |
From the investments in associates |
Concept (Monetary) |
For Period |
Credit |
asx:DilutedImpactFromInvestmentsInAssociates |
| 2050 |
From convertible bonds |
Concept (Monetary) |
For Period |
Credit |
asx:DilutiveEffectOfConvertibleBonds |
| 2051 |
Earnings used in the computation of diluted earnings per share |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntityIncludingDilutiveEffects |
| 2052 |
Weighted average number of ordinary shares in the computation of basic earnings per share |
Concept (Shares) |
For Period |
|
ifrs-full:WeightedAverageShares |
| 2053 |
Effect of potentially dilutive ordinary shares: |
Abstract |
|
|
ifrs-full:WeightedAverageSharesAndAdjustedWeightedAverageSharesAbstract |
| 2054 |
From convertible bonds |
Concept (Shares) |
For Period |
|
ifrs-full:DilutiveEffectOfConvertibleInstrumentsOnNumberOfOrdinaryShares |
| 2055 |
From employee share options |
Concept (Shares) |
For Period |
|
ifrs-full:DilutiveEffectOfShareOptionsOnNumberOfOrdinaryShares |
| 2056 |
From employees' compensation |
Concept (Shares) |
For Period |
|
asx:DilutiveEffectOfEmployeesCompensation |
| 2057 |
Weighted average number of ordinary shares in computation of diluted earnings per share |
Concept (Shares) |
For Period |
|
ifrs-full:AdjustedWeightedAverageShares |
| 2058 |
1177 - Disclosure - Earnings Per Share - Additional Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureEarningsPerShareAdditionalInformation |
| 2059 |
Earnings per share [table] |
Table |
* |
* |
ifrs-full:EarningsPerShareTable |
| 2060 |
Retrospective application and retrospective restatement [axis] |
Axis |
|
|
ifrs-full:RetrospectiveApplicationAndRetrospectiveRestatementAxis |
| 2061 |
Currently stated [member] |
Member |
|
|
ifrs-full:RestatedMember |
| 2062 |
Before Retrospectively Adjusted [member] |
Member |
|
|
ifrs-full:PreviouslyStatedMember |
| 2063 |
Earnings per share [line items] |
LineItems |
|
|
ifrs-full:EarningsPerShareLineItems |
| 2064 |
Number of shares represented by each ADS |
Concept (Decimal) |
For Period |
|
asx:NumberOfOrdinarySharesPerADS |
| 2065 |
1178 - Disclosure - Share-based Payment Arrangements - Additional Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureSharebasedPaymentArrangementsAdditionalInformation |
| 2066 |
Disclosure of terms and conditions of share-based payment arrangement [table] |
Table |
* |
* |
ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable |
| 2067 |
Types of share-based payment arrangements [axis] |
Axis |
|
|
ifrs-full:TypesOfSharebasedPaymentArrangementsAxis |
| 2068 |
Share-based payment arrangements [member] |
Member |
|
|
ifrs-full:SharebasedPaymentArrangementsMember |
| 2069 |
ASE Mauritius Inc. option plan [member] |
Member |
|
|
asx:ASEMauritiusIncOptionPlanMember |
| 2070 |
USIE option plans [member] |
Member |
|
|
asx:USIEOptionPlansMember |
| 2071 |
USISH option plans [member] |
Member |
|
|
asx:USISHOptionPlansMember |
| 2072 |
ASE Inc. option plans [member] |
Member |
|
|
asx:ASEIncOptionPlansMember |
| 2073 |
New shares reserved for subscription by employees under cash capital increase [member] |
Member |
|
|
asx:NewSharesReservedForSubscriptionByEmployeesUnderCashCapitalIncreaseMember |
| 2074 |
The Company Option Plans [member] |
Member |
|
|
asx:TheCompanyOptionPlansMember |
| 2075 |
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems |
| 2076 |
Number of shares registered shares |
Concept (Shares) |
For Period |
|
asx:NumberOfShareOptionsAuthorizedToIssueInSharebasedPaymentArrangement |
| 2077 |
Valid term of share option plans |
Concept (Text/String) |
For Period |
|
ifrs-full:DescriptionOfMaximumTermOfOptionsGrantedForSharebasedPaymentArrangement |
| 2078 |
Percentage of cash dividend per ordinary share exceeds market price |
Concept (Percent) |
For Period |
|
asx:PercentageOfCashDividendPerOrdinaryShareExceedsMarketPrice |
| 2079 |
Number of employee share option plans |
Concept (Integer) |
For Period |
|
asx:NumberOfEmployeeShareOptionPlans |
| 2080 |
Share option to purchase of ordinary shares |
Concept (Shares) |
For Period |
|
asx:ShaeOptionToRightToPurchaseOrdinaryShares |
| 2081 |
Weighted average exercise price of share options |
Concept (Share) |
For Period |
|
asx:WeightedAverageExercisePriceOfShareOptionsExercised |
| 2082 |
Reclassification from capital surplus arising from exercised employee share options to capital surplus arising from expired employee share options |
Concept (Monetary) |
For Period |
Credit |
asx:ReclassificationFromCapitalSurplusArisingFromExercisedEmployeeShareOptionsToCapitalSurplusArisingFromExpiredEmployeeShareOptions |
| 2083 |
Number of shares granted |
Concept (Decimal) |
For Period |
|
ifrs-full:NumberOfInstrumentsGrantedInSharebasedPaymentArrangement |
| 2084 |
Reclassification from non-controlling interest to capital surplus arising from expired employee share options |
Concept (Monetary) |
For Period |
Credit |
asx:ReclassificationFromNoncontrollingInterestToCapitalSurplusArisingFromExpiredEmployeeShareOptions |
| 2085 |
Capital surplus decreased |
Concept (Monetary) |
As Of |
Credit |
asx:IncreaseDecreaseInSharePremium |
| 2086 |
Remaining contractual life of share options |
Concept (Decimal) |
As Of |
|
ifrs-full:WeightedAverageRemainingContractualLifeOfOutstandingShareOptions |
| 2087 |
Compensation cost of employee share options |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ExpenseFromCashsettledSharebasedPaymentTransactionsInWhichGoodsOrServicesReceivedDidNotQualifyForRecognitionAsAssets |
| 2088 |
Options granted to employees to purchase newly issued shares, percentage |
Concept (Percent) |
For Period |
|
asx:ShareBasedPaymentArrangementOptionsGrantedToEmployeesToPurchaseNewlyIssuedSharesPercentage |
| 2089 |
Employee benefits expense and capital surplus arising from exercised employee share option |
Concept (Monetary) |
For Period |
Debit |
asx:EmployeeBenefitsExpenseAndCapitalSurplusArisingFromExercisedEmployeeShareOption |
| 2090 |
Number of shares has not been exercised |
Concept (Shares) |
For Period |
|
asx:NumberOfShareOptionsNotExercisedInShareBasedPaymentArrangement |
| 2091 |
Amount reclassified from capital surplus arising from exercised employee share options to capital surplus arising from expired employee share options |
Concept (Monetary) |
For Period |
Credit |
asx:AmountReclassifiedFromCapitalSurplusArisingFromExercisedEmployeeShareOptionsToCapitalSurplusArisingFromExpiredEmployeeShareOptions |
| 2092 |
1179 - Disclosure - Share-based Payment Arrangements - Summary of Information About ASE Inc. Option Plans (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureSharebasedPaymentArrangementsSummaryOfInformationAboutASEIncOptionPlans |
| 2093 |
Disclosure of terms and conditions of share-based payment arrangement [table] |
Table |
* |
* |
ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable |
| 2094 |
Types of share-based payment arrangements [axis] |
Axis |
|
|
ifrs-full:TypesOfSharebasedPaymentArrangementsAxis |
| 2095 |
Share-based payment arrangements [member] |
Member |
|
|
ifrs-full:SharebasedPaymentArrangementsMember |
| 2096 |
ASE Inc. option plans [member] |
Member |
|
|
asx:ASEIncOptionPlansMember |
| 2097 |
The Company Option Plans [member] |
Member |
|
|
asx:TheCompanyOptionPlansMember |
| 2098 |
Range [axis] |
Axis |
|
|
ifrs-full:RangeAxis |
| 2099 |
Ranges [member] |
Member |
|
|
ifrs-full:RangesMember |
| 2100 |
Bottom of range [member] |
Member |
|
|
ifrs-full:BottomOfRangeMember |
| 2101 |
Top of range [member] |
Member |
|
|
ifrs-full:TopOfRangeMember |
| 2102 |
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems |
| 2103 |
Number of options, beginning balance |
Concept (Decimal) |
As Of |
|
ifrs-full:NumberOfOutstandingShareOptions |
| 2104 |
Number of options, transferred to the Company in accordance with the joint share exchange agreement |
Concept (Decimal) |
For Period |
|
asx:NumberOfShareOptionsTransferredInSharebasedPaymentArrangement |
| 2105 |
Options granted |
Concept (Decimal) |
For Period |
|
ifrs-full:NumberOfShareOptionsGrantedInSharebasedPaymentArrangement |
| 2106 |
Number of options, forfeited |
Concept (Decimal) |
For Period |
|
ifrs-full:NumberOfShareOptionsForfeitedInSharebasedPaymentArrangement |
| 2107 |
Number of options, expired |
Concept (Decimal) |
For Period |
|
ifrs-full:NumberOfShareOptionsExpiredInSharebasedPaymentArrangement |
| 2108 |
Number of options, exercised |
Concept (Decimal) |
For Period |
|
ifrs-full:NumberOfShareOptionsExercisedInSharebasedPaymentArrangement |
| 2109 |
Number of options, Ending balance |
Concept (Decimal) |
As Of |
|
ifrs-full:NumberOfOutstandingShareOptions |
| 2110 |
Number of options, exercisable, end of period |
Concept (Decimal) |
As Of |
|
ifrs-full:NumberOfShareOptionsExercisableInSharebasedPaymentArrangement |
| 2111 |
Fair value of options granted (NT$) |
Concept (Shares) |
As Of |
|
asx:NumberOfShareOptionsOutstandingInSharebasedPaymentArrangementAtFairValueOfOptionsGranted |
| 2112 |
Weighted average exercise price, Beginning balance |
Concept (Monetary) |
As Of |
|
ifrs-full:WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement |
| 2113 |
Transferred from ASE |
Concept (Monetary) |
For Period |
|
asx:WeightedAverageExercisePriceOfShareOptionsTransferredInShareBasedPaymentArrangement |
| 2114 |
Options granted |
Concept (Monetary) |
For Period |
|
ifrs-full:WeightedAverageExercisePriceOfShareOptionsGrantedInSharebasedPaymentArrangement |
| 2115 |
Weighted average exercise price, Options forfeited |
Concept (Monetary) |
For Period |
|
ifrs-full:WeightedAverageExercisePriceOfShareOptionsForfeitedInSharebasedPaymentArrangement |
| 2116 |
Weighted average exercise price, Options expired |
Concept (Monetary) |
For Period |
|
ifrs-full:WeightedAverageExercisePriceOfShareOptionsExpiredInSharebasedPaymentArrangement |
| 2117 |
Weighted average exercise price, Options exercised |
Concept (Monetary) |
For Period |
|
ifrs-full:WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement |
| 2118 |
Weighted average exercise price, Ending balance |
Concept (Monetary) |
As Of |
|
ifrs-full:WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement |
| 2119 |
Weighted average exercise price, Options exercisable, end of period |
Concept (Monetary) |
As Of |
|
ifrs-full:WeightedAverageExercisePriceOfShareOptionsExercisableInSharebasedPaymentArrangement |
| 2120 |
Fair value of options granted (NT$) |
Concept (Monetary) |
As Of |
|
asx:WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangementAtFairValue |
| 2121 |
1180 - Disclosure - Share-based Payment Arrangements - Summary of ASE Inc. Option Plans Outstanding Share Options (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureSharebasedPaymentArrangementsSummaryOfASEIncOptionPlansOutstandingShareOptions |
| 2122 |
Disclosure of terms and conditions of share-based payment arrangement [table] |
Table |
* |
* |
ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable |
| 2123 |
Types of share-based payment arrangements [axis] |
Axis |
|
|
ifrs-full:TypesOfSharebasedPaymentArrangementsAxis |
| 2124 |
Share-based payment arrangements [member] |
Member |
|
|
ifrs-full:SharebasedPaymentArrangementsMember |
| 2125 |
ASE Inc. option plans [member] |
Member |
|
|
asx:ASEIncOptionPlansMember |
| 2126 |
The Company Option Plans [member] |
Member |
|
|
asx:TheCompanyOptionPlansMember |
| 2127 |
Range [axis] |
Axis |
|
|
ifrs-full:RangeAxis |
| 2128 |
Ranges [member] |
Member |
|
|
ifrs-full:RangesMember |
| 2129 |
Bottom of range [member] |
Member |
|
|
ifrs-full:BottomOfRangeMember |
| 2130 |
Top of range [member] |
Member |
|
|
ifrs-full:TopOfRangeMember |
| 2131 |
Ranges of exercise prices for outstanding share options [axis] |
Axis |
|
|
ifrs-full:RangesOfExercisePricesForOutstandingShareOptionsAxis |
| 2132 |
Ranges of exercise prices for outstanding share options [member] |
Member |
|
|
ifrs-full:RangesOfExercisePricesForOutstandingShareOptionsMember |
| 2133 |
Fourth share options exercise price [member] |
Member |
|
|
asx:FourthShareOptionsExercisePriceMember |
| 2134 |
Fifth share options exercise price [member] |
Member |
|
|
asx:FifthShareOptionsExercisePriceMember |
| 2135 |
First share options exercise price [member] |
Member |
|
|
asx:FirstShareOptionsExercisePriceMember |
| 2136 |
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems |
| 2137 |
Range of Exercise Price Per Share |
Concept (Monetary) |
As Of |
|
ifrs-full:ExercisePriceOfOutstandingShareOptions |
| 2138 |
Weighted Average Remaining Contractual Life (Years) |
Concept (Decimal) |
As Of |
|
ifrs-full:WeightedAverageRemainingContractualLifeOfOutstandingShareOptions |
| 2139 |
1181 - Disclosure - Share-based Payment Arrangements - Summary of Information About ASE Mauritius Inc. Option Plan (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureSharebasedPaymentArrangementsSummaryOfInformationAboutASEMauritiusIncOptionPlan |
| 2140 |
Disclosure of terms and conditions of share-based payment arrangement [table] |
Table |
* |
* |
ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable |
| 2141 |
Types of share-based payment arrangements [axis] |
Axis |
|
|
ifrs-full:TypesOfSharebasedPaymentArrangementsAxis |
| 2142 |
Share-based payment arrangements [member] |
Member |
|
|
ifrs-full:SharebasedPaymentArrangementsMember |
| 2143 |
ASE Mauritius Inc. option plan [member] |
Member |
|
|
asx:ASEMauritiusIncOptionPlanMember |
| 2144 |
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems |
| 2145 |
Number of options, beginning balance |
Concept (Decimal) |
As Of |
|
ifrs-full:NumberOfOutstandingShareOptions |
| 2146 |
Number of options, forfeited |
Concept (Decimal) |
For Period |
|
ifrs-full:NumberOfShareOptionsForfeitedInSharebasedPaymentArrangement |
| 2147 |
Number of options, expired |
Concept (Decimal) |
For Period |
|
ifrs-full:NumberOfShareOptionsExpiredInSharebasedPaymentArrangement |
| 2148 |
Number of options, Ending balance |
Concept (Decimal) |
As Of |
|
ifrs-full:NumberOfOutstandingShareOptions |
| 2149 |
Number of options, exercisable, end of year |
Concept (Decimal) |
As Of |
|
ifrs-full:NumberOfShareOptionsExercisableInSharebasedPaymentArrangement |
| 2150 |
Weighted average exercise price, Beginning balance |
Concept (Monetary) |
As Of |
|
ifrs-full:WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement |
| 2151 |
Weighted average exercise price, Options forfeited |
Concept (Monetary) |
For Period |
|
ifrs-full:WeightedAverageExercisePriceOfShareOptionsForfeitedInSharebasedPaymentArrangement |
| 2152 |
Weighted average exercise price, Options expired |
Concept (Monetary) |
For Period |
|
ifrs-full:WeightedAverageExercisePriceOfShareOptionsExpiredInSharebasedPaymentArrangement |
| 2153 |
Weighted average exercise price, Ending balance |
Concept (Monetary) |
As Of |
|
ifrs-full:WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement |
| 2154 |
Weighted average exercise price, Options exercisable, end of year |
Concept (Monetary) |
As Of |
|
ifrs-full:WeightedAverageExercisePriceOfShareOptionsExercisableInSharebasedPaymentArrangement |
| 2155 |
1182 - Disclosure - Share-based Payment Arrangements - Summary of Information About USIE Option Plans (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureSharebasedPaymentArrangementsSummaryOfInformationAboutUSIEOptionPlans |
| 2156 |
Disclosure of terms and conditions of share-based payment arrangement [table] |
Table |
* |
* |
ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable |
| 2157 |
Types of share-based payment arrangements [axis] |
Axis |
|
|
ifrs-full:TypesOfSharebasedPaymentArrangementsAxis |
| 2158 |
Share-based payment arrangements [member] |
Member |
|
|
ifrs-full:SharebasedPaymentArrangementsMember |
| 2159 |
USIE option plans [member] |
Member |
|
|
asx:USIEOptionPlansMember |
| 2160 |
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems |
| 2161 |
Number of options, beginning balance |
Concept (Decimal) |
As Of |
|
ifrs-full:NumberOfOutstandingShareOptions |
| 2162 |
Number of options, exercised |
Concept (Decimal) |
For Period |
|
ifrs-full:NumberOfShareOptionsExercisedInSharebasedPaymentArrangement |
| 2163 |
Number of options, Ending balance |
Concept (Decimal) |
As Of |
|
ifrs-full:NumberOfOutstandingShareOptions |
| 2164 |
Number of options, exercisable, end of year |
Concept (Decimal) |
As Of |
|
ifrs-full:NumberOfShareOptionsExercisableInSharebasedPaymentArrangement |
| 2165 |
Weighted average exercise price, Beginning balance |
Concept (Monetary) |
As Of |
|
ifrs-full:WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement |
| 2166 |
Weighted average exercise price, Options exercised |
Concept (Monetary) |
For Period |
|
ifrs-full:WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement |
| 2167 |
Weighted average exercise price, Ending balance |
Concept (Monetary) |
As Of |
|
ifrs-full:WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement |
| 2168 |
Weighted average exercise price, Options exercisable, end of year |
Concept (Monetary) |
As Of |
|
ifrs-full:WeightedAverageExercisePriceOfShareOptionsExercisableInSharebasedPaymentArrangement |
| 2169 |
1183 - Disclosure - Share-based Payment Arrangements - Summary of USIE Option Plans Outstanding Share Options (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureSharebasedPaymentArrangementsSummaryOfUSIEOptionPlansOutstandingShareOptions |
| 2170 |
Disclosure of range of exercise prices of outstanding share options [table] |
Table |
* |
* |
ifrs-full:DisclosureOfRangeOfExercisePricesOfOutstandingShareOptionsTable |
| 2171 |
Types of share-based payment arrangements [axis] |
Axis |
|
|
ifrs-full:TypesOfSharebasedPaymentArrangementsAxis |
| 2172 |
Share-based payment arrangements [member] |
Member |
|
|
ifrs-full:SharebasedPaymentArrangementsMember |
| 2173 |
USIE option plans [member] |
Member |
|
|
asx:USIEOptionPlansMember |
| 2174 |
Ranges of exercise prices for outstanding share options [axis] |
Axis |
|
|
ifrs-full:RangesOfExercisePricesForOutstandingShareOptionsAxis |
| 2175 |
Ranges of exercise prices for outstanding share options [member] |
Member |
|
|
ifrs-full:RangesOfExercisePricesForOutstandingShareOptionsMember |
| 2176 |
First share options exercise price [member] |
Member |
|
|
asx:FirstShareOptionsExercisePriceMember |
| 2177 |
Second and third share options exercise price [member] |
Member |
|
|
asx:SecondAndThirdShareOptionsExercisePriceMember |
| 2178 |
Range [axis] |
Axis |
|
|
ifrs-full:RangeAxis |
| 2179 |
Ranges [member] |
Member |
|
|
ifrs-full:RangesMember |
| 2180 |
Bottom of range [member] |
Member |
|
|
ifrs-full:BottomOfRangeMember |
| 2181 |
Top of range [member] |
Member |
|
|
ifrs-full:TopOfRangeMember |
| 2182 |
Disclosure of range of exercise prices of outstanding share options [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfRangeOfExercisePricesOfOutstandingShareOptionsLineItems |
| 2183 |
Range of Exercise Price Per Share |
Concept (Monetary) |
As Of |
|
ifrs-full:ExercisePriceOfOutstandingShareOptions |
| 2184 |
Weighted Average Remaining Contractual Life (Years) |
Concept (Decimal) |
As Of |
|
ifrs-full:WeightedAverageRemainingContractualLifeOfOutstandingShareOptions |
| 2185 |
1184 - Disclosure - Share-based Payment Arrangements - Summary of Information About USISH Option Plans (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureSharebasedPaymentArrangementsSummaryOfInformationAboutUSISHOptionPlans |
| 2186 |
Disclosure of terms and conditions of share-based payment arrangement [table] |
Table |
* |
* |
ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable |
| 2187 |
Types of share-based payment arrangements [axis] |
Axis |
|
|
ifrs-full:TypesOfSharebasedPaymentArrangementsAxis |
| 2188 |
Share-based payment arrangements [member] |
Member |
|
|
ifrs-full:SharebasedPaymentArrangementsMember |
| 2189 |
USISH option plans [member] |
Member |
|
|
asx:USISHOptionPlansMember |
| 2190 |
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems |
| 2191 |
Number of options, beginning balance |
Concept (Decimal) |
As Of |
|
ifrs-full:NumberOfOutstandingShareOptions |
| 2192 |
Number of options, forfeited |
Concept (Decimal) |
For Period |
|
ifrs-full:NumberOfShareOptionsForfeitedInSharebasedPaymentArrangement |
| 2193 |
Number of options, Ending balance |
Concept (Decimal) |
As Of |
|
ifrs-full:NumberOfOutstandingShareOptions |
| 2194 |
Number of options, exercisable, end of year |
Concept (Decimal) |
As Of |
|
ifrs-full:NumberOfShareOptionsExercisableInSharebasedPaymentArrangement |
| 2195 |
Weighted average exercise price, Beginning balance |
Concept (Monetary) |
As Of |
|
ifrs-full:WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement |
| 2196 |
Weighted average exercise price, Options forfeited |
Concept (Monetary) |
For Period |
|
ifrs-full:WeightedAverageExercisePriceOfShareOptionsForfeitedInSharebasedPaymentArrangement |
| 2197 |
Weighted average exercise price, Ending balance |
Concept (Monetary) |
As Of |
|
ifrs-full:WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement |
| 2198 |
Weighted average exercise price, Options exercisable, end of year |
Concept (Monetary) |
As Of |
|
ifrs-full:WeightedAverageExercisePriceOfShareOptionsExercisableInSharebasedPaymentArrangement |
| 2199 |
1185 - Disclosure - Share-based Payment Arrangements - Summary of Information About New Shares Reserved for Subscription by Employees under Cash Capital Increase Option Plans (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureSharebasedPaymentArrangementsSummaryOfInformationAboutNewSharesReservedForSubscriptionByEmployeesUnderCashCapitalIncreaseOptionPlans |
| 2200 |
Disclosure of terms and conditions of share-based payment arrangement [table] |
Table |
* |
* |
ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable |
| 2201 |
Types of share-based payment arrangements [axis] |
Axis |
|
|
ifrs-full:TypesOfSharebasedPaymentArrangementsAxis |
| 2202 |
Share-based payment arrangements [member] |
Member |
|
|
ifrs-full:SharebasedPaymentArrangementsMember |
| 2203 |
New shares reserved for subscription by employees under cash capital increase [member] |
Member |
|
|
asx:NewSharesReservedForSubscriptionByEmployeesUnderCashCapitalIncreaseMember |
| 2204 |
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems |
| 2205 |
Number of options, granted |
Concept (Decimal) |
For Period |
|
ifrs-full:NumberOfShareOptionsGrantedInSharebasedPaymentArrangement |
| 2206 |
Number of options, exercised |
Concept (Decimal) |
For Period |
|
ifrs-full:NumberOfShareOptionsExercisedInSharebasedPaymentArrangement |
| 2207 |
Fair value of options granted (NT$ per share) |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:WeightedAverageFairValueAtMeasurementDateShareOptionsGranted |
| 2208 |
1186 - Disclosure - Share-based Payment Arrangements - Summary of Fair Value using Black Scholes Option Pricing Model and Inputs (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureSharebasedPaymentArrangementsSummaryOfFairValueUsingBlackScholesOptionPricingModelAndInputs |
| 2209 |
Disclosure of terms and conditions of share-based payment arrangement [table] |
Table |
* |
* |
ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable |
| 2210 |
Types of share-based payment arrangements [axis] |
Axis |
|
|
ifrs-full:TypesOfSharebasedPaymentArrangementsAxis |
| 2211 |
Share-based payment arrangements [member] |
Member |
|
|
ifrs-full:SharebasedPaymentArrangementsMember |
| 2212 |
New shares reserved for subscription by employees under cash capital increase [member] |
Member |
|
|
asx:NewSharesReservedForSubscriptionByEmployeesUnderCashCapitalIncreaseMember |
| 2213 |
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems |
| 2214 |
Share price at the grant date |
Concept (Monetary) |
For Period |
|
ifrs-full:WeightedAverageSharePriceShareOptionsGranted |
| 2215 |
Exercise price |
Concept (Monetary) |
For Period |
|
ifrs-full:ExercisePriceShareOptionsGranted |
| 2216 |
Expected volatility |
Concept (Percent) |
For Period |
|
ifrs-full:DescriptionOfExpectedVolatilityShareOptionsGranted |
| 2217 |
Expected lives |
Concept (Decimal) |
For Period |
|
ifrs-full:DescriptionOfOptionLifeShareOptionsGranted |
| 2218 |
Expected dividend yield |
Concept (Percent) |
For Period |
|
ifrs-full:ExpectedDividendAsPercentageShareOptionsGranted |
| 2219 |
Risk free interest rate |
Concept (Percent) |
For Period |
|
ifrs-full:DescriptionOfRiskFreeInterestRateShareOptionsGranted |
| 2220 |
1187 - Disclosure - Share-based Payment Arrangements - Summary of Fair Value using Trinomial Tree Model and Inputs (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureSharebasedPaymentArrangementsSummaryOfFairValueUsingTrinomialTreeModelAndInputs |
| 2221 |
Disclosure of terms and conditions of share-based payment arrangement [table] |
Table |
* |
* |
ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable |
| 2222 |
Range [axis] |
Axis |
|
|
ifrs-full:RangeAxis |
| 2223 |
Ranges [member] |
Member |
|
|
ifrs-full:RangesMember |
| 2224 |
Bottom of range [member] |
Member |
|
|
ifrs-full:BottomOfRangeMember |
| 2225 |
Top of range [member] |
Member |
|
|
ifrs-full:TopOfRangeMember |
| 2226 |
Types of share-based payment arrangements [axis] |
Axis |
|
|
ifrs-full:TypesOfSharebasedPaymentArrangementsAxis |
| 2227 |
Share-based payment arrangements [member] |
Member |
|
|
ifrs-full:SharebasedPaymentArrangementsMember |
| 2228 |
Trinomial tree model [member] |
Member |
|
|
asx:TrinomialTreeModelMember |
| 2229 |
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems |
| 2230 |
Share price at the grant date |
Concept (Monetary) |
For Period |
|
ifrs-full:WeightedAverageSharePriceShareOptionsGranted |
| 2231 |
Exercise price |
Concept (Monetary) |
For Period |
|
ifrs-full:ExercisePriceShareOptionsGranted |
| 2232 |
Expected volatility |
Concept (Percent) |
For Period |
|
ifrs-full:DescriptionOfExpectedVolatilityShareOptionsGranted |
| 2233 |
Expected lives |
Concept (Decimal) |
For Period |
|
ifrs-full:DescriptionOfOptionLifeShareOptionsGranted |
| 2234 |
Expected dividend yield |
Concept (Percent) |
For Period |
|
ifrs-full:ExpectedDividendAsPercentageShareOptionsGranted |
| 2235 |
Risk free interest rate |
Concept (Percent) |
For Period |
|
ifrs-full:DescriptionOfRiskFreeInterestRateShareOptionsGranted |
| 2236 |
1188 - Disclosure - Business Combinations - Summary of Subsidiary Acquired (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureBusinessCombinationsSummaryOfSubsidiaryAcquired |
| 2237 |
Disclosure of detailed information about business combination [table] |
Table |
* |
* |
ifrs-full:DisclosureOfBusinessCombinationsTable |
| 2238 |
Business combinations [axis] |
Axis |
|
|
ifrs-full:BusinessCombinationsAxis |
| 2239 |
Entity's total for business combinations [member] |
Member |
|
|
ifrs-full:EntitysTotalForBusinessCombinationsMember |
| 2240 |
TLJ Intertech Inc. [member] |
Member |
|
|
asx:TLJIntertechIncMember |
| 2241 |
Disclosure of detailed information about business combination [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfBusinessCombinationsLineItems |
| 2242 |
Principal Activity |
Concept (Text/String) |
For Period |
|
ifrs-full:DescriptionOfNatureOfEntitysOperationsAndPrincipalActivities |
| 2243 |
Date of Acquisition |
Concept (Date) |
For Period |
|
ifrs-full:DateOfAcquisition2013 |
| 2244 |
Proportion of Voting Equity Interests Acquired |
Concept (Percent) |
As Of |
|
ifrs-full:PercentageOfVotingEquityInterestsAcquired |
| 2245 |
Cash Consideration |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:AcquisitiondateFairValueOfTotalConsiderationTransferred |
| 2246 |
1189 - Disclosure - Business Combinations - Additional Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureBusinessCombinationsAdditionalInformation |
| 2247 |
Disclosure of subsidiaries [table] |
Table |
* |
* |
ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesTable |
| 2248 |
Business combinations [axis] |
Axis |
|
|
ifrs-full:BusinessCombinationsAxis |
| 2249 |
Entity's total for business combinations [member] |
Member |
|
|
ifrs-full:EntitysTotalForBusinessCombinationsMember |
| 2250 |
TLJ Intertech Inc. [member] |
Member |
|
|
asx:TLJIntertechIncMember |
| 2251 |
Siliconware Precision Industries Co., Ltd. [member] |
Member |
|
|
asx:SiliconwarePrecisionIndustriesCoLtdMember |
| 2252 |
Categories of related parties [axis] |
Axis |
|
|
ifrs-full:CategoriesOfRelatedPartiesAxis |
| 2253 |
Entity's total for related parties [member] |
Member |
|
|
ifrs-full:EntitysTotalForRelatedPartiesMember |
| 2254 |
Related parties [member] |
Member |
|
|
ifrs-full:RelatedPartiesMember |
| 2255 |
Disclosure of subsidiaries [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesLineItems |
| 2256 |
Percentage of shareholdings acquired by subsidiary |
Concept (Percent) |
As Of |
|
ifrs-full:PercentageOfVotingEquityInterestsAcquired |
| 2257 |
Total consideration was paid to key management personnel and related parties |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:AcquisitiondateFairValueOfTotalConsiderationTransferred |
| 2258 |
Cash consideration |
Concept (Share) |
For Period |
|
asx:AdjustedCashPricePerOrdinaryShare |
| 2259 |
Significant unobservable inputs discount rate |
Concept (Percent) |
For Period |
|
ifrs-full:AdjustmentToMidmarketConsensusPriceSignificantUnobservableInputsAssets |
| 2260 |
Revenue from continuing operations |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:RevenueOfCombinedEntity |
| 2261 |
Profit from continuing operations |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLossOfCombinedEntity |
| 2262 |
1190 - Disclosure - Business Combinations - Summary of Assets Acquired and Liabilities Assumed at the Date of Acquisition (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureBusinessCombinationsSummaryOfAssetsAcquiredAndLiabilitiesAssumedAtTheDateOfAcquisition |
| 2263 |
Disclosure of detailed information about business combination [table] |
Table |
* |
* |
ifrs-full:DisclosureOfBusinessCombinationsTable |
| 2264 |
Business combinations [axis] |
Axis |
|
|
ifrs-full:BusinessCombinationsAxis |
| 2265 |
Entity's total for business combinations [member] |
Member |
|
|
ifrs-full:EntitysTotalForBusinessCombinationsMember |
| 2266 |
TLJ Intertech Inc. [member] |
Member |
|
|
asx:TLJIntertechIncMember |
| 2267 |
Disclosure of detailed information about business combination [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfBusinessCombinationsLineItems |
| 2268 |
Current assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CurrentAssetsRecognisedAsOfAcquisitionDate |
| 2269 |
Non-current assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:NoncurrentAssetsRecognisedAsOfAcquisitionDate |
| 2270 |
Current liabilities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:CurrentLiabilitiesRecognisedAsOfAcquisitionDate |
| 2271 |
Fair value of identifiable net assets acquired |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:IdentifiableAssetsAcquiredLiabilitiesAssumed |
| 2272 |
1191 - Disclosure - Business Combinations - Summary of Goodwill Recognized on Acquisition (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureBusinessCombinationsSummaryOfGoodwillRecognizedOnAcquisition |
| 2273 |
Disclosure of detailed information about business combination [table] |
Table |
* |
* |
ifrs-full:DisclosureOfBusinessCombinationsTable |
| 2274 |
Business combinations [axis] |
Axis |
|
|
ifrs-full:BusinessCombinationsAxis |
| 2275 |
Entity's total for business combinations [member] |
Member |
|
|
ifrs-full:EntitysTotalForBusinessCombinationsMember |
| 2276 |
TLJ Intertech Inc. [member] |
Member |
|
|
asx:TLJIntertechIncMember |
| 2277 |
Disclosure of detailed information about business combination [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfBusinessCombinationsLineItems |
| 2278 |
Cash Consideration |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:AcquisitiondateFairValueOfTotalConsiderationTransferred |
| 2279 |
Add: Non-controlling interests |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:NoncontrollingInterestInAcquireeRecognisedAtAcquisitionDate |
| 2280 |
Less: Fair value of identifiable net assets acquired |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:IdentifiableAssetsAcquiredLiabilitiesAssumed |
| 2281 |
Goodwill recognized on acquisition |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:Goodwill |
| 2282 |
1192 - Disclosure - Business Combinations - Summary of Net Cash Outflow on Acquisition of Subsidiaries (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureBusinessCombinationsSummaryOfNetCashOutflowOnAcquisitionOfSubsidiaries |
| 2283 |
Disclosure of detailed information about business combination [table] |
Table |
* |
* |
ifrs-full:DisclosureOfBusinessCombinationsTable |
| 2284 |
Business combinations [axis] |
Axis |
|
|
ifrs-full:BusinessCombinationsAxis |
| 2285 |
Entity's total for business combinations [member] |
Member |
|
|
ifrs-full:EntitysTotalForBusinessCombinationsMember |
| 2286 |
TLJ Intertech Inc. [member] |
Member |
|
|
asx:TLJIntertechIncMember |
| 2287 |
Disclosure of detailed information about business combination [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfBusinessCombinationsLineItems |
| 2288 |
Consideration paid in cash |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:AcquisitiondateFairValueOfTotalConsiderationTransferred |
| 2289 |
Less: Cash acquired |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:CashAndCashEquivalentsInSubsidiaryOrBusinessesAcquiredOrDisposed2013 |
| 2290 |
Net cash outflow on acquisition of subsidiaries |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ConsiderationPaidReceived |
| 2291 |
1193 - Disclosure - Business Combinations - Summary of Acquisition of SPIL (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureBusinessCombinationsSummaryOfAcquisitionOfSPIL |
| 2292 |
Disclosure of detailed information about business combination [table] |
Table |
* |
* |
ifrs-full:DisclosureOfBusinessCombinationsTable |
| 2293 |
Business combinations [axis] |
Axis |
|
|
ifrs-full:BusinessCombinationsAxis |
| 2294 |
Entity's total for business combinations [member] |
Member |
|
|
ifrs-full:EntitysTotalForBusinessCombinationsMember |
| 2295 |
Siliconware Precision Industries Co., Ltd. [member] |
Member |
|
|
asx:SiliconwarePrecisionIndustriesCoLtdMember |
| 2296 |
Disclosure of detailed information about business combination [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfBusinessCombinationsLineItems |
| 2297 |
Principal Activity |
Concept (Text/String) |
For Period |
|
ifrs-full:DescriptionOfNatureOfEntitysOperationsAndPrincipalActivities |
| 2298 |
Date of Acquisition |
Concept (Date) |
For Period |
|
ifrs-full:DateOfAcquisition2013 |
| 2299 |
Proportion of Voting Equity Interests Acquired |
Concept (Percent) |
As Of |
|
ifrs-full:PercentageOfVotingEquityInterestsAcquired |
| 2300 |
Consideration Transferred |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:AcquisitiondateFairValueOfTotalConsiderationTransferred |
| 2301 |
1194 - Disclosure - Business Combinations - Summary of Assets Acquired and Liabilities Assumed at the Date of Acquisition of SPIL (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureBusinessCombinationsSummaryOfAssetsAcquiredAndLiabilitiesAssumedAtTheDateOfAcquisitionOfSPIL |
| 2302 |
Disclosure of detailed information about business combination [table] |
Table |
* |
* |
ifrs-full:DisclosureOfBusinessCombinationsTable |
| 2303 |
Business combinations [axis] |
Axis |
|
|
ifrs-full:BusinessCombinationsAxis |
| 2304 |
Entity's total for business combinations [member] |
Member |
|
|
ifrs-full:EntitysTotalForBusinessCombinationsMember |
| 2305 |
Siliconware Precision Industries Co., Ltd. [member] |
Member |
|
|
asx:SiliconwarePrecisionIndustriesCoLtdMember |
| 2306 |
Disclosure of detailed information about business combination [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfBusinessCombinationsLineItems |
| 2307 |
Cash and cash equivalents |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CashAndCashEquivalentsRecognisedAsOfAcquisitionDate |
| 2308 |
Trade and other receivables |
Concept (Monetary) |
As Of |
Debit |
asx:TradeAndOtherReceivablesRecognisedAsOfAcquisitionDate |
| 2309 |
Inventories |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:InventoryRecognisedAsOfAcquisitionDate |
| 2310 |
Property, plant and equipment |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:PropertyPlantAndEquipmentRecognisedAsOfAcquisitionDate |
| 2311 |
Intangible assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:IdentifiableIntangibleAssetsRecognisedAsOfAcquisitionDate |
| 2312 |
Others |
Concept (Monetary) |
As Of |
Debit |
asx:OtherAssetsRecognisedAsOfAcquisitionDate |
| 2313 |
Trade and other payables |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:TradeAndOtherPayablesRecognisedAsOfAcquisitionDate |
| 2314 |
Borrowings and bonds payables |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:BorrowingsRecognisedAsOfAcquisitionDate |
| 2315 |
Others |
Concept (Monetary) |
As Of |
Credit |
asx:OtherLiabilitiesRecognisedAsOfAcquisitionDate |
| 2316 |
Fair value of identifiable net assets acquired |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:IdentifiableAssetsAcquiredLiabilitiesAssumed |
| 2317 |
1195 - Disclosure - Business Combinations - Summary of Goodwill Recognized on Acquisition of SPIL (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureBusinessCombinationsSummaryOfGoodwillRecognizedOnAcquisitionOfSPIL |
| 2318 |
Disclosure of detailed information about business combination [table] |
Table |
* |
* |
ifrs-full:DisclosureOfBusinessCombinationsTable |
| 2319 |
Business combinations [axis] |
Axis |
|
|
ifrs-full:BusinessCombinationsAxis |
| 2320 |
Entity's total for business combinations [member] |
Member |
|
|
ifrs-full:EntitysTotalForBusinessCombinationsMember |
| 2321 |
Siliconware Precision Industries Co., Ltd. [member] |
Member |
|
|
asx:SiliconwarePrecisionIndustriesCoLtdMember |
| 2322 |
Disclosure of detailed information about business combination [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfBusinessCombinationsLineItems |
| 2323 |
Total consideration |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:AcquisitiondateFairValueOfTotalConsiderationTransferred |
| 2324 |
Add: Non-controlling interests |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:NoncontrollingInterestInAcquireeRecognisedAtAcquisitionDate |
| 2325 |
Less: Fair value of identifiable net assets acquired |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:IdentifiableAssetsAcquiredLiabilitiesAssumed |
| 2326 |
Goodwill recognized on acquisition |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:Goodwill |
| 2327 |
1196 - Disclosure - Business Combinations - Summary of Net Cash Outflow on Acquisition of Subsidiary SPIL (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureBusinessCombinationsSummaryOfNetCashOutflowOnAcquisitionOfSubsidiarySPIL |
| 2328 |
Disclosure of detailed information about business combination [table] |
Table |
* |
* |
ifrs-full:DisclosureOfBusinessCombinationsTable |
| 2329 |
Business combinations [axis] |
Axis |
|
|
ifrs-full:BusinessCombinationsAxis |
| 2330 |
Entity's total for business combinations [member] |
Member |
|
|
ifrs-full:EntitysTotalForBusinessCombinationsMember |
| 2331 |
Siliconware Precision Industries Co., Ltd. [member] |
Member |
|
|
asx:SiliconwarePrecisionIndustriesCoLtdMember |
| 2332 |
Disclosure of detailed information about business combination [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfBusinessCombinationsLineItems |
| 2333 |
Total consideration |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:AcquisitiondateFairValueOfTotalConsiderationTransferred |
| 2334 |
Less: Payable for consideration representing the ordinary shares originally held by ASE |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:LiabilitiesInSubsidiaryOrBusinessesAcquiredOrDisposed2013 |
| 2335 |
Less: Cash and cash equivalent acquired |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:CashAndCashEquivalentsInSubsidiaryOrBusinessesAcquiredOrDisposed2013 |
| 2336 |
Net cash outflow on acquisition of subsidiaries |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ConsiderationPaidReceived |
| 2337 |
1197 - Disclosure - Business Combinations - Summary of Impact of Acquisitions by Comprehensive Income (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureBusinessCombinationsSummaryOfImpactOfAcquisitionsByComprehensiveIncome |
| 2338 |
Disclosure of detailed information about business combination [table] |
Table |
* |
* |
ifrs-full:DisclosureOfBusinessCombinationsTable |
| 2339 |
Business combinations [axis] |
Axis |
|
|
ifrs-full:BusinessCombinationsAxis |
| 2340 |
Entity's total for business combinations [member] |
Member |
|
|
ifrs-full:EntitysTotalForBusinessCombinationsMember |
| 2341 |
Siliconware Precision Industries Co., Ltd. [member] |
Member |
|
|
asx:SiliconwarePrecisionIndustriesCoLtdMember |
| 2342 |
Disclosure of detailed information about business combination [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfBusinessCombinationsLineItems |
| 2343 |
Operating revenue |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:RevenueOfAcquiree |
| 2344 |
Profit |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLossOfAcquiree |
| 2345 |
1198 - Disclosure - Disposal of Subsidiaries - Summary of Gain on Disposal of Subsidiaries (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureDisposalOfSubsidiariesSummaryOfGainOnDisposalOfSubsidiaries |
| 2346 |
Disclosure of gain from disposals of subsidiaries [table] |
Table |
* |
* |
asx:DisclosureOfGainFromDisposalsOfSubsidiariesTable |
| 2347 |
Subsidiaries [axis] |
Axis |
|
|
ifrs-full:SignificantInvestmentsInSubsidiariesAxis |
| 2348 |
Entity's total for subsidiaries [member] |
Member |
|
|
ifrs-full:EntitysTotalForSubsidiariesMember |
| 2349 |
KSDY [member] |
Member |
|
|
asx:KSDYMember |
| 2350 |
Disclosure of gain from disposals of subsidiaries [line items] |
LineItems |
|
|
asx:DisclosureOfGainFromDisposalsOfSubsidiariesLineItems |
| 2351 |
Total consideration |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ConsiderationPaidReceived |
| 2352 |
Net assets disposed of |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AssetsOtherThanCashOrCashEquivalentsInSubsidiaryOrBusinessesAcquiredOrDisposed2013 |
| 2353 |
Gain on disposal of KSDY |
Concept (Monetary) |
For Period |
Credit |
asx:GainOnDisposalOfSubsidiaries |
| 2354 |
1199 - Disclosure - Disposal of Subsidiaries - Summary of Analysis of Assets and Liabilities on Date Control was Lost (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureDisposalOfSubsidiariesSummaryOfAnalysisOfAssetsAndLiabilitiesOnDateControlWasLost |
| 2355 |
Disclosure of summary of analysis of assets and liabilities on date control was lost [table] |
Table |
* |
* |
asx:DisclosureOfSummaryOfAnalysisOfAssetsAndLiabilitiesOnDateControlWasLostTable |
| 2356 |
Subsidiaries [axis] |
Axis |
|
|
ifrs-full:SignificantInvestmentsInSubsidiariesAxis |
| 2357 |
Entity's total for subsidiaries [member] |
Member |
|
|
ifrs-full:EntitysTotalForSubsidiariesMember |
| 2358 |
KSDY [member] |
Member |
|
|
asx:KSDYMember |
| 2359 |
Disclosure of summary of analysis of assets and liabilities on date control was lost [line items] |
LineItems |
|
|
asx:DisclosureOfSummaryOfAnalysisOfAssetsAndLiabilitiesOnDateControlWasLostLineItems |
| 2360 |
Current assets |
Abstract |
|
|
asx:DisposalGroupCurrentAssetsAbstract |
| 2361 |
Cash and cash equivalents |
Concept (Monetary) |
As Of |
Debit |
asx:DisposalGroupCashAndCashEquivalentCurrent |
| 2362 |
Inventories related to real estate business |
Concept (Monetary) |
As Of |
Debit |
asx:DisposalGroupInventoriesRelatedToRealEstateBusiness |
| 2363 |
Net assets disposed of |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AssetsOtherThanCashOrCashEquivalentsInSubsidiaryOrBusinessesAcquiredOrDisposed2013 |
| 2364 |
1200 - Disclosure - Equity Transaction with Non-controlling Interests - Additional Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureEquityTransactionWithNoncontrollingInterestsAdditionalInformation |
| 2365 |
Statement of changes in equity [table] |
Table |
* |
* |
ifrs-full:StatementOfChangesInEquityTable |
| 2366 |
Subsidiaries [axis] |
Axis |
|
|
ifrs-full:SignificantInvestmentsInSubsidiariesAxis |
| 2367 |
Entity's total for subsidiaries [member] |
Member |
|
|
ifrs-full:EntitysTotalForSubsidiariesMember |
| 2368 |
Universal Global Scientific Industrial Co., Ltd. [member] |
Member |
|
|
asx:UniversalGlobalScientificIndustrialCoLtdMember |
| 2369 |
USI [member] |
Member |
|
|
asx:USIMember |
| 2370 |
ASEN [member] |
Member |
|
|
asx:ASENMember |
| 2371 |
USI INC [member] |
Member |
|
|
asx:UsiIncMember |
| 2372 |
Consolidated structured entities [axis] |
Axis |
|
|
ifrs-full:ConsolidatedStructuredEntitiesAxis |
| 2373 |
Entity's total for consolidated structured entities [member] |
Member |
|
|
ifrs-full:EntitysTotalForConsolidatedStructuredEntitiesMember |
| 2374 |
USI Enterprise Limited [member] |
Member |
|
|
asx:USIEnterpriseLimitedMember |
| 2375 |
USI [member] |
Member |
|
|
asx:USIMember |
| 2376 |
Range [axis] |
Axis |
|
|
ifrs-full:RangeAxis |
| 2377 |
Ranges [member] |
Member |
|
|
ifrs-full:RangesMember |
| 2378 |
Bottom of range [member] |
Member |
|
|
ifrs-full:BottomOfRangeMember |
| 2379 |
Top of range [member] |
Member |
|
|
ifrs-full:TopOfRangeMember |
| 2380 |
Reserves within equity [axis] |
Axis |
|
|
ifrs-full:ReservesWithinEquityAxis |
| 2381 |
Other equity[member] |
Member |
|
|
ifrs-full:OtherReservesMember |
| 2382 |
Cash capital increase [member] |
Member |
|
|
asx:CashCapitalIncreaseMember |
| 2383 |
Statement of changes in equity [Line items] |
LineItems |
|
|
ifrs-full:StatementOfChangesInEquityLineItems |
| 2384 |
Number of shares repurchased |
Concept (Shares) |
For Period |
|
asx:NumberOfSharesRepurchased |
| 2385 |
Percentage of increase in shareholdings |
Concept (Percent) |
For Period |
|
asx:PercentageOfShareholdingIncreased |
| 2386 |
Increase (decrease) in capital surplus |
Concept (Monetary) |
As Of |
Credit |
asx:IncreaseDecreaseInSharePremium |
| 2387 |
Sale of shares |
Concept (Shares) |
As Of |
|
ifrs-full:NumberOfSharesIssued |
| 2388 |
Sale of shares per share |
Concept (Share) |
For Period |
|
asx:SharesIssuedPricePerShare1 |
| 2389 |
Proceeds from issuance of shares |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ProceedsFromIssuingShares |
| 2390 |
Percentage of decrease in shareholdings |
Concept (Percent) |
For Period |
|
asx:PercentageOfShareholdingReduced |
| 2391 |
Cash capital increase amount |
Concept (Monetary) |
For Period |
Credit |
asx:CashCapitalIncreaseAmount |
| 2392 |
Number of shares approved for repurchase |
Concept (Shares) |
As Of |
|
asx:NumberOfSharesApprovedForRepurchase |
| 2393 |
Shares repurchase price per share |
Concept (Share) |
For Period |
|
asx:SharePurchasedPricePerShare |
| 2394 |
Amount of shares transferred |
Concept (Monetary) |
As Of |
Credit |
asx:AmountOfSharesTransferred |
| 2395 |
Percentage of increase in ownership |
Concept (Percent) |
For Period |
|
asx:PercentageOfIncreaseInOwnershipInterests |
| 2396 |
Percentage of shareholdings |
Concept (Percent) |
For Period |
|
asx:PercentageOfShareholdingsSoldByJointVentureToOtherEntity |
| 2397 |
Amount of shareholdings |
Concept (Monetary) |
For Period |
Debit |
asx:AmountOfShareholdingsSoldByJointVentureToOtherEntity |
| 2398 |
Percentage of decrease in ownership |
Concept (Percent) |
For Period |
|
asx:PercentageOfDecreaseInOwnershipInterests |
| 2399 |
Ordinary shares outstanding acquired price |
Concept (Share) |
For Period |
|
asx:AcquiredPricePerShare |
| 2400 |
1201 - Disclosure - Cash Flows Information - Summary of Non-cash Investing Activities (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureCashFlowsInformationSummaryOfNoncashInvestingActivities |
| 2401 |
Implied Table |
Table |
* |
* |
implied:Table |
| 2402 |
Non-cash investing activities [abstract] |
Abstract |
|
|
asx:NoncashInvestingActivitiesAbstract |
| 2403 |
Payments for property, plant and equipment |
Abstract |
|
|
asx:PaymentsForPropertyPlantAndEquipmentAbstract |
| 2404 |
Purchase of property, plant and equipment |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment |
| 2405 |
Increase (decrease) in prepayments for property, plant and equipment |
Concept (Monetary) |
For Period |
Credit |
asx:IncreaseDecreaseInPrepaymentsForPropertyPlantAndEquipment |
| 2406 |
Decrease (increase) in payables for property, plant and equipment |
Concept (Monetary) |
For Period |
Credit |
asx:IncreaseDecreaseInPayablesForPropertyPlantAndEquipment |
| 2407 |
Capitalized borrowing costs |
Concept (Monetary) |
For Period |
|
ifrs-full:BorrowingCostsCapitalised |
| 2408 |
Payments for property, plant and equipment |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities |
| 2409 |
Proceeds from disposal of property, plant and equipment |
Abstract |
|
|
ifrs-full:DisposalsAndRetirementsPropertyPlantAndEquipmentAbstract |
| 2410 |
Consideration from disposal of property, plant and equipment |
Concept (Monetary) |
For Period |
Debit |
asx:ConsiderationFromDisposalOfPropertyPlantAndEquipment |
| 2411 |
Decrease (increase) in other receivables |
Concept (Monetary) |
For Period |
Debit |
asx:IncreaseDecreaseInOtherReceivables1 |
| 2412 |
Proceeds from disposal of property, plant and equipment |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ProceedsFromSalesOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities |
| 2413 |
Payments for investment properties |
Abstract |
|
|
ifrs-full:ChangesInInvestmentPropertyAbstract |
| 2414 |
Purchase of investment properties |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdditionsOtherThanThroughBusinessCombinationsInvestmentProperty |
| 2415 |
Capitalized borrowing costs |
Concept (Monetary) |
For Period |
|
asx:BorrowingCostsCapitalisedInvestmentProperty |
| 2416 |
Proceeds from disposals of investment property |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ProceedsFromSalesOfInvestmentProperty |
| 2417 |
Payments for other intangible assets |
Abstract |
|
|
asx:PaymentsForOtherIntangibleAssetsAbstract |
| 2418 |
Purchase of other intangible assets |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdditionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill |
| 2419 |
Decrease (increase) in other payables |
Concept (Monetary) |
For Period |
Debit |
asx:IncreaseDecreaseInOtherPayablesRelatedToOtherIntangibleAssets |
| 2420 |
Increase in other non-current liabilities |
Concept (Monetary) |
For Period |
Debit |
asx:IncreaseDecreaseInOtherNoncurrentLiabilitiesRelatedToIntangibleAssets |
| 2421 |
Purchase of intangible assets classified as investing activities |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities |
| 2422 |
Net cash inflow from disposal of subsidiaries |
Abstract |
|
|
asx:NetCashInflowArisingOnDisposalAbstract |
| 2423 |
Consideration from disposal of subsidiaries |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ConsiderationPaidReceived |
| 2424 |
Increase in other payables |
Concept (Monetary) |
For Period |
Credit |
asx:IncreaseDecreaseInOtherPayables |
| 2425 |
Cash and cash equivalents disposed of |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:CashAndCashEquivalentsInSubsidiaryOrBusinessesAcquiredOrDisposed2013 |
| 2426 |
Net cash inflow from disposal of subsidiaries |
Concept (Monetary) |
For Period |
Debit |
asx:NetCashInflowArisingFromDisposalOfSubsidiary |
| 2427 |
1202 - Disclosure - Cash Flows Information - Change in Liabilities Arising From Financing Activities (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureCashFlowsInformationChangeInLiabilitiesArisingFromFinancingActivities |
| 2428 |
Disclosure of Non Cash Investing Activities [table] |
Table |
* |
* |
asx:DisclosureOfNonCashInvestingActivitiesTable |
| 2429 |
Classes of financial liabilities [axis] |
Axis |
|
|
ifrs-full:ClassesOfFinancialLiabilitiesAxis |
| 2430 |
Financial liabilities, class [member] |
Member |
|
|
ifrs-full:FinancialLiabilitiesMember |
| 2431 |
Short-term borrowings [member] |
Member |
|
|
ifrs-full:ShorttermBorrowingsMember |
| 2432 |
Bonds payable [member] |
Member |
|
|
asx:BondsPayableMember |
| 2433 |
Long-term borrowings [member] |
Member |
|
|
ifrs-full:LongtermBorrowingsMember |
| 2434 |
Disclosure Of Non Cash Investing Activities [line items] |
LineItems |
|
|
asx:DisclosureOfNonCashInvestingActivitiesLineItems |
| 2435 |
Beginning balance |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:LiabilitiesArisingFromFinancingActivities |
| 2436 |
Financing cash flows |
Concept (Monetary) |
For Period |
Credit |
asx:LiabilitiesArisingFromFinancingActivitiesCashFlows |
| 2437 |
Non-cash changes |
Abstract |
|
|
asx:NonCashChangesAbstract |
| 2438 |
Acquisition through business combinations (Note 30) |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:IncreaseDecreaseThroughObtainingOrLosingControlOfSubsidiariesOrOtherBusinessesLiabilitiesArisingFromFinancingActivities |
| 2439 |
Bonds conversion |
Concept (Monetary) |
For Period |
Credit |
asx:LiabilitiesArisingFromFinancingActivitiesBondsConversion |
| 2440 |
Reclassification for applying IFRS 9 |
Concept (Monetary) |
For Period |
Credit |
asx:LiabilitiesArisingFromFinancingActivitiesReclassifyForApplyingIFRS9 |
| 2441 |
Amortization of issuance cost |
Concept (Monetary) |
For Period |
Credit |
asx:LiabilitiesArisingFromFinancingActivitiesAmortizationOfIssuanceCost |
| 2442 |
Effects of foreign currency exchange |
Concept (Monetary) |
For Period |
Credit |
asx:LiabilitiesArisingFromFinancingActivitiesForeignExchange |
| 2443 |
Ending balance |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:LiabilitiesArisingFromFinancingActivities |
| 2444 |
1203 - Disclosure - Operating Lease Arrangements - Additional Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureOperatingLeaseArrangementsAdditionalInformation |
| 2445 |
Disclosure of operating lease [table] |
Table |
* |
* |
asx:DisclosureOfOperatingLeaseTable |
| 2446 |
Range [axis] |
Axis |
|
|
ifrs-full:RangeAxis |
| 2447 |
Ranges [member] |
Member |
|
|
ifrs-full:RangesMember |
| 2448 |
Bottom of range [member] |
Member |
|
|
ifrs-full:BottomOfRangeMember |
| 2449 |
Top of range [member] |
Member |
|
|
ifrs-full:TopOfRangeMember |
| 2450 |
Disclosure of operating lease [line items] |
LineItems |
|
|
asx:DisclosureOfOperatingLeaseLineItems |
| 2451 |
Operating lease expiration |
Concept (Text/String) |
For Period |
|
asx:DescriptionOfOperatingLeaseExpiration |
| 2452 |
Rental expense |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:LeaseAndSubleasePaymentsRecognisedAsExpense |
| 2453 |
Operating leasing periods |
Concept (xbrli:durationItemType) |
For Period |
|
asx:OperatingLeaseTerm |
| 2454 |
1204 - Disclosure - Operating Lease Arrangements - Summary of Future Minimum Lease Payments of Non-cancellable Operating Lease Agreements (Lessee) (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureOperatingLeaseArrangementsSummaryOfFutureMinimumLeasePaymentsOfNoncancellableOperatingLeaseAgreementsLessee |
| 2455 |
Disclosure of finance lease and operating lease by lessee [table] |
Table |
* |
* |
ifrs-full:DisclosureOfFinanceLeaseAndOperatingLeaseByLesseeTable |
| 2456 |
Maturity [axis] |
Axis |
|
|
ifrs-full:MaturityAxis |
| 2457 |
Aggregated time bands [member] |
Member |
|
|
ifrs-full:AggregatedTimeBandsMember |
| 2458 |
Less than 1 year [member] |
Member |
|
|
ifrs-full:NotLaterThanOneYearMember |
| 2459 |
1-5 years [member] |
Member |
|
|
ifrs-full:LaterThanOneYearAndNotLaterThanFiveYearsMember |
| 2460 |
More than 5 years [member] |
Member |
|
|
ifrs-full:LaterThanFiveYearsMember |
| 2461 |
Disclosure of finance lease and operating lease by lessee [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfFinanceLeaseAndOperatingLeaseByLesseeLineItems |
| 2462 |
Future minimum lease payments of non-cancellable operating lease commitments |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:MinimumLeasePaymentsPayableUnderNoncancellableOperatingLease |
| 2463 |
1205 - Disclosure - Operating Lease Arrangements - Summary of Future Minimum Lease Payments of Non-cancellable Operating Lease Agreements (Lessor) (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureOperatingLeaseArrangementsSummaryOfFutureMinimumLeasePaymentsOfNoncancellableOperatingLeaseAgreementsLessor |
| 2464 |
Disclosure of finance lease and operating lease by lessee [table] |
Table |
* |
* |
ifrs-full:DisclosureOfFinanceLeaseAndOperatingLeaseByLesseeTable |
| 2465 |
Maturity [axis] |
Axis |
|
|
ifrs-full:MaturityAxis |
| 2466 |
Aggregated time bands [member] |
Member |
|
|
ifrs-full:AggregatedTimeBandsMember |
| 2467 |
Less than 1 year [member] |
Member |
|
|
ifrs-full:NotLaterThanOneYearMember |
| 2468 |
1-5 years [member] |
Member |
|
|
ifrs-full:LaterThanOneYearAndNotLaterThanFiveYearsMember |
| 2469 |
More than 5 years [member] |
Member |
|
|
ifrs-full:LaterThanFiveYearsMember |
| 2470 |
Disclosure of finance lease and operating lease by lessee [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfFinanceLeaseAndOperatingLeaseByLesseeLineItems |
| 2471 |
Minimum lease payments |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:MinimumLeasePaymentsReceivableUnderNoncancellableOperatingLease |
| 2472 |
1206 - Disclosure - Financial Instruments - Summary of Fair Value of Financial Instruments Not Measured at Fair Value but for Which Fair Value is Disclosed (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureFinancialInstrumentsSummaryOfFairValueOfFinancialInstrumentsNotMeasuredAtFairValueButForWhichFairValueIsDisclosed |
| 2473 |
Disclosure of detailed information about financial instruments [table] |
Table |
* |
* |
ifrs-full:DisclosureOfFinancialInstrumentsTable |
| 2474 |
Measurement [axis] |
Axis |
|
|
ifrs-full:MeasurementAxis |
| 2475 |
Aggregated measurement [member] |
Member |
|
|
ifrs-full:AggregatedMeasurementMember |
| 2476 |
Fair value [member] |
Member |
|
|
ifrs-full:AtFairValueMember |
| 2477 |
Disclosure of detailed information about financial instruments [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfFinancialInstrumentsLineItems |
| 2478 |
Bonds payable |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:BondsIssued |
| 2479 |
1207 - Disclosure - Financial Instruments - Summary of Fair Value of Financial Instruments that are Measured at Fair Value on a Recurring Basis (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureFinancialInstrumentsSummaryOfFairValueOfFinancialInstrumentsThatAreMeasuredAtFairValueOnARecurringBasis |
| 2480 |
Disclosure of detailed information about financial instruments [table] |
Table |
* |
* |
ifrs-full:DisclosureOfFinancialInstrumentsTable |
| 2481 |
Levels of fair value hierarchy [axis] |
Axis |
|
|
ifrs-full:LevelsOfFairValueHierarchyAxis |
| 2482 |
All levels of fair value hierarchy [member] |
Member |
|
|
ifrs-full:AllLevelsOfFairValueHierarchyMember |
| 2483 |
Level 1 of fair value hierarchy [member] |
Member |
|
|
ifrs-full:Level1OfFairValueHierarchyMember |
| 2484 |
Level 2 of fair value hierarchy [Member] |
Member |
|
|
ifrs-full:Level2OfFairValueHierarchyMember |
| 2485 |
Level 3 of fair value hierarchy [member] |
Member |
|
|
ifrs-full:Level3OfFairValueHierarchyMember |
| 2486 |
Classes of financial instruments [axis] |
Axis |
|
|
ifrs-full:ClassesOfFinancialInstrumentsAxis |
| 2487 |
Financial instruments, class [member] |
Member |
|
|
ifrs-full:ClassesOfFinancialInstrumentsMember |
| 2488 |
Swap contracts [member] |
Member |
|
|
ifrs-full:SwapContractMember |
| 2489 |
Forward Exchange Contract [member] |
Member |
|
|
asx:ForwardExchangeContractMember |
| 2490 |
Quoted ordinary shares [member] |
Member |
|
|
asx:QuotedOrdinarySharesMember |
| 2491 |
Open-end mutual funds [member] |
Member |
|
|
asx:OpenendMutualFundsMember |
| 2492 |
Unquoted preferred shares [member] |
Member |
|
|
asx:UnquotedPreferredSharesMember |
| 2493 |
Private-placement funds [member] |
Member |
|
|
asx:PrivatePlacementsMember |
| 2494 |
Private-placement convertible bonds [member] |
Member |
|
|
asx:PrivatePlacementConvertibleBondsMember |
| 2495 |
Unquoted ordinary shares [member] |
Member |
|
|
asx:UnquotedSharesMember |
| 2496 |
Limited partnership [member] |
Member |
|
|
asx:LimitedPartnershipMember |
| 2497 |
Unsecured subordinate corporate bonds [member] |
Member |
|
|
asx:UnsecuredSubordinateCorporateBondsMember |
| 2498 |
Forward exchange contracts [member] |
Member |
|
|
ifrs-full:ForwardContractMember |
| 2499 |
Categories of financial assets [axis] |
Axis |
|
|
ifrs-full:CategoriesOfFinancialAssetsAxis |
| 2500 |
Financial assets, category [member] |
Member |
|
|
ifrs-full:FinancialAssetsCategoryMember |
| 2501 |
Derivative financial instruments [member] |
Member |
|
|
asx:DerivativeFinancialInstrumentsMember |
| 2502 |
Non derivative financial assets [member] |
Member |
|
|
asx:NonDerivativeFinancialAssetsMember |
| 2503 |
Hybrid financial assets [member] |
Member |
|
|
asx:HybridFinancialAssetsMember |
| 2504 |
Disclosure of detailed information about financial instruments [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfFinancialInstrumentsLineItems |
| 2505 |
Financial assets designated as at FVTPL |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CurrentFinancialAssetsAtFairValueThroughProfitOrLossDesignatedUponInitialRecognition |
| 2506 |
Financial assets held for trading |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CurrentFinancialAssetsAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading |
| 2507 |
Financial assets at fair value through profit or loss |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLoss |
| 2508 |
Available-for-sale financial assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:FinancialAssetsAvailableforsale |
| 2509 |
Financial assets mandatorily classified as at FVTPL |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CurrentFinancialAssetsAtFairValueThroughProfitOrLossMandatorilyMeasuredAtFairValue |
| 2510 |
Financial assets at FVTOCI, Investments in equity instruments |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CurrentInvestmentsInEquityInstrumentsDesignatedAtFairValueThroughOtherComprehensiveIncome |
| 2511 |
Financial assets at FVTOCI, Investments in debt instruments |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CurrentFinancialAssetsAtFairValueThroughOtherComprehensiveIncome |
| 2512 |
Financial assets at FVTOCI |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CurrentFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome |
| 2513 |
Financial liabilities at FVTPL |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:CurrentFinancialLiabilitiesAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading |
| 2514 |
1208 - Disclosure - Financial Instruments - Additional Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureFinancialInstrumentsAdditionalInformation |
| 2515 |
Disclosure of detailed information about financial instruments [table] |
Table |
* |
* |
ifrs-full:DisclosureOfFinancialInstrumentsTable |
| 2516 |
Types of risks [axis] |
Axis |
|
|
ifrs-full:TypesOfRisksAxis |
| 2517 |
Risks [member] |
Member |
|
|
ifrs-full:TypesOfRisksMember |
| 2518 |
Currency risk [member] |
Member |
|
|
ifrs-full:CurrencyRiskMember |
| 2519 |
Other price risk [member] |
Member |
|
|
ifrs-full:OtherPriceRiskMember |
| 2520 |
Types of interest rates [axis] |
Axis |
|
|
ifrs-full:TypesOfInterestRatesAxis |
| 2521 |
Interest rate types [member] |
Member |
|
|
ifrs-full:InterestRateTypesMember |
| 2522 |
Floating interest rate [member] |
Member |
|
|
ifrs-full:FloatingInterestRateMember |
| 2523 |
Range [axis] |
Axis |
|
|
ifrs-full:RangeAxis |
| 2524 |
Ranges [member] |
Member |
|
|
ifrs-full:RangesMember |
| 2525 |
Bottom of range [member] |
Member |
|
|
ifrs-full:BottomOfRangeMember |
| 2526 |
Top of range [member] |
Member |
|
|
ifrs-full:TopOfRangeMember |
| 2527 |
Actuarial assumptions [axis] |
Axis |
|
|
ifrs-full:ActuarialAssumptionsAxis |
| 2528 |
Actuarial assumptions [member] |
Member |
|
|
ifrs-full:ActuarialAssumptionsMember |
| 2529 |
Actuarial assumption of discount rates [member] |
Member |
|
|
ifrs-full:ActuarialAssumptionOfDiscountRatesMember |
| 2530 |
Disclosure of detailed information about financial instruments [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfFinancialInstrumentsLineItems |
| 2531 |
Transfers between levels |
Concept (Monetary) |
For Period |
Debit |
asx:FairValueMeasurementsTransfersBetweenLevel1AndLevel2 |
| 2532 |
Significant unobservable inputs discount rate |
Concept (Percent) |
For Period |
|
ifrs-full:AdjustmentToMidmarketConsensusPriceSignificantUnobservableInputsAssets |
| 2533 |
Increase percentage of significant unobservable inputs discount rate |
Concept (Percent) |
For Period |
|
ifrs-full:HistoricalVolatilityForSharesSignificantUnobservableInputsAssets |
| 2534 |
Fair value of unquoted shares decreased |
Concept (Monetary) |
As Of |
Debit |
asx:FairValueOfUnquotedSharesDecreased |
| 2535 |
Fair value of bonds decreased |
Concept (Monetary) |
For Period |
Credit |
asx:FairValueOfUnsecuredSubordinatedCorporateBondsDecreased |
| 2536 |
Value at risk |
Concept (Monetary) |
As Of |
|
ifrs-full:ValueAtRisk |
| 2537 |
Exchange rate exposure |
Concept (Percent) |
For Period |
|
asx:ExchangeRateExposure |
| 2538 |
Increase decrease in basis points |
Concept (Percent) |
For Period |
|
asx:IncreaseDecreaseInBasisPoints |
| 2539 |
Increase decrease in profit before tax |
Concept (Monetary) |
For Period |
Credit |
asx:IncreaseDecreaseProfitLossBeforeTax |
| 2540 |
Equity debt ratio |
Concept (Percent) |
For Period |
|
asx:DebtAndEquityRatio |
| 2541 |
Increase decrease in other comprehensive income |
Concept (Monetary) |
For Period |
Credit |
asx:IncreaseDecreaseInOtherComprehensiveIncome |
| 2542 |
Decrease in profit before income tax |
Concept (Monetary) |
For Period |
Credit |
asx:DecreaseInProfitBeforeIncomeTax |
| 2543 |
Increase in profit before income tax |
Concept (Monetary) |
For Period |
Credit |
asx:IncreaseInProfitBeforeIncomeTax |
| 2544 |
Number of largest customers |
Concept (Decimal) |
For Period |
|
asx:NumberOfLargestCustomers |
| 2545 |
Percentage of trade receivables |
Concept (Percent) |
As Of |
|
asx:PercentageOfTradeReceivables |
| 2546 |
1209 - Disclosure - Financial Instruments - Summary of Financial Assets Measured at Level 3 Fair Value (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureFinancialInstrumentsSummaryOfFinancialAssetsMeasuredAtLevel3FairValue |
| 2547 |
Disclosure of fair value measurement of assets [table] |
Table |
* |
* |
ifrs-full:DisclosureOfFairValueMeasurementOfAssetsTable |
| 2548 |
Categories of financial assets [axis] |
Axis |
|
|
ifrs-full:CategoriesOfFinancialAssetsAxis |
| 2549 |
Financial assets, category [member] |
Member |
|
|
ifrs-full:FinancialAssetsCategoryMember |
| 2550 |
Available-for-sale [member] |
Member |
|
|
ifrs-full:FinancialAssetsAvailableforsaleCategoryMember |
| 2551 |
Levels of fair value hierarchy [axis] |
Axis |
|
|
ifrs-full:LevelsOfFairValueHierarchyAxis |
| 2552 |
All levels of fair value hierarchy [member] |
Member |
|
|
ifrs-full:AllLevelsOfFairValueHierarchyMember |
| 2553 |
Level 3 of fair value hierarchy [member] |
Member |
|
|
ifrs-full:Level3OfFairValueHierarchyMember |
| 2554 |
Classes of financial assets [axis] |
Axis |
|
|
ifrs-full:ClassesOfFinancialAssetsAxis |
| 2555 |
Financial assets, class [member] |
Member |
|
|
ifrs-full:FinancialAssetsMember |
| 2556 |
Equity Instruments Fair Value Other Comprehensive Income [member] |
Member |
|
|
asx:EquityInstrumentsFairValueOtherComprehensiveIncomeMember |
| 2557 |
FVTPL equity instrument [member] |
Member |
|
|
asx:FvtplEquityInstrumentMember |
| 2558 |
FVOCI Debt Instruments [member] |
Member |
|
|
asx:FVOCIDebtInstrumentsMember |
| 2559 |
Disclosure of fair value measurement of assets [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfFairValueMeasurementOfAssetsLineItems |
| 2560 |
Beginning Balance |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:Assets |
| 2561 |
Recognized in profit or loss |
Concept (Monetary) |
For Period |
|
ifrs-full:GainsLossesRecognisedInProfitOrLossFairValueMeasurementAssets |
| 2562 |
Recognized in other comprehensive income (included in unrealized losses on financial assets at FVTOCI) |
Concept (Monetary) |
For Period |
|
ifrs-full:GainsLossesRecognisedInOtherComprehensiveIncomeFairValueMeasurementAssets |
| 2563 |
Purchases |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:PurchasesFairValueMeasurementAssets |
| 2564 |
Disposals |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:SalesFairValueMeasurementAssets |
| 2565 |
Ending Balance |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:Assets |
| 2566 |
1210 - Disclosure - Financial Instruments - Summary of Categories of Financial Instruments (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureFinancialInstrumentsSummaryOfCategoriesOfFinancialInstruments |
| 2567 |
Disclosure of detailed information about financial instruments [table] |
Table |
* |
* |
ifrs-full:DisclosureOfFinancialInstrumentsTable |
| 2568 |
Categories of financial assets [axis] |
Axis |
|
|
ifrs-full:CategoriesOfFinancialAssetsAxis |
| 2569 |
Financial assets, category [member] |
Member |
|
|
ifrs-full:FinancialAssetsCategoryMember |
| 2570 |
Mandatorily at fair value through profit or loss [member] |
Member |
|
|
ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember |
| 2571 |
Financial assets at fair value through other comprehensive income, category [member] |
Member |
|
|
ifrs-full:FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember |
| 2572 |
Disclosure of detailed information about financial instruments [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfFinancialInstrumentsLineItems |
| 2573 |
Financial assets designated as at FVTPL |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CurrentFinancialAssetsAtFairValueThroughProfitOrLossDesignatedUponInitialRecognition |
| 2574 |
Held for trading |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CurrentFinancialAssetsAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading |
| 2575 |
Mandatorily at FVTPL |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CurrentFinancialAssetsAtFairValueThroughProfitOrLossMandatorilyMeasuredAtFairValue |
| 2576 |
Available-for-sale financial assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:FinancialAssetsAvailableforsale |
| 2577 |
Loans and receivables |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:LoansAndReceivables |
| 2578 |
Measured at amortized cost |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:FinancialAssetsAtAmortisedCost |
| 2579 |
Equity instruments |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CurrentInvestmentsInEquityInstrumentsDesignatedAtFairValueThroughOtherComprehensiveIncome |
| 2580 |
Debt instruments |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:CurrentDebtInstrumentsIssued |
| 2581 |
Held for trading |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:CurrentFinancialLiabilitiesAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading |
| 2582 |
Financial liabilities for hedging |
Concept (Monetary) |
As Of |
Credit |
asx:FinancialLiabilitiesDesignatedAsHedgingInstrumentsAtFairValueThroughProfitOrLoss |
| 2583 |
Measured at amortized cost (Note 2) |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:FinancialLiabilitiesAtAmortisedCost |
| 2584 |
1211 - Disclosure - Financial Instruments - Summary of Interest Rate Risk (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureFinancialInstrumentsSummaryOfInterestRateRisk |
| 2585 |
Disclosure of detailed information about financial instruments [table] |
Table |
* |
* |
ifrs-full:DisclosureOfFinancialInstrumentsTable |
| 2586 |
Types of risks [axis] |
Axis |
|
|
ifrs-full:TypesOfRisksAxis |
| 2587 |
Risks [member] |
Member |
|
|
ifrs-full:TypesOfRisksMember |
| 2588 |
Fair value interest rate risk [member] |
Member |
|
|
asx:FairValueInterestRateRiskMember |
| 2589 |
Cash flow interest rate risk [member] |
Member |
|
|
asx:CashFlowInterestRateRiskMember |
| 2590 |
Disclosure of detailed information about financial instruments [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfFinancialInstrumentsLineItems |
| 2591 |
Financial assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:FinancialAssets |
| 2592 |
Financial liabilities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:FinancialLiabilities |
| 2593 |
1212 - Disclosure - Financial Instruments - Summary of Maturity Analysis for Non-derivative Financial Liabilities (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureFinancialInstrumentsSummaryOfMaturityAnalysisForNonderivativeFinancialLiabilities |
| 2594 |
Disclosure of maturity analysis for non-derivative financial liabilities [table] |
Table |
* |
* |
ifrs-full:DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesTable |
| 2595 |
Maturity [axis] |
Axis |
|
|
ifrs-full:MaturityAxis |
| 2596 |
Aggregated time bands [member] |
Member |
|
|
ifrs-full:AggregatedTimeBandsMember |
| 2597 |
Less than 1 month [member] |
Member |
|
|
ifrs-full:NotLaterThanOneMonthMember |
| 2598 |
1 to 3 months [member] |
Member |
|
|
ifrs-full:LaterThanOneMonthAndNotLaterThanThreeMonthsMember |
| 2599 |
3 months to 1 year [member] |
Member |
|
|
ifrs-full:LaterThanThreeMonthsAndNotLaterThanOneYearMember |
| 2600 |
1-5 years [member] |
Member |
|
|
ifrs-full:LaterThanOneYearAndNotLaterThanFiveYearsMember |
| 2601 |
More than 5 years [member] |
Member |
|
|
ifrs-full:LaterThanFiveYearsMember |
| 2602 |
Types of interest rates [axis] |
Axis |
|
|
ifrs-full:TypesOfInterestRatesAxis |
| 2603 |
Interest rate types [member] |
Member |
|
|
ifrs-full:InterestRateTypesMember |
| 2604 |
Non interest bearing [member] |
Member |
|
|
asx:NonInterestBearingMember |
| 2605 |
Floating interest rate [member] |
Member |
|
|
ifrs-full:FloatingInterestRateMember |
| 2606 |
Fixed interest rate [member] |
Member |
|
|
ifrs-full:FixedInterestRateMember |
| 2607 |
Disclosure of maturity analysis for non-derivative financial liabilities [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesLineItems |
| 2608 |
Non-derivative financial liabilities undiscounted amounts |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:NonderivativeFinancialLiabilitiesUndiscountedCashFlows |
| 2609 |
1213 - Disclosure - Financial Instruments - Summary of Maturity Analysis for Derivative Financial Instruments (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureFinancialInstrumentsSummaryOfMaturityAnalysisForDerivativeFinancialInstruments |
| 2610 |
Disclosure of maturity analysis for derivative financial liabilities [table] |
Table |
* |
* |
ifrs-full:DisclosureOfMaturityAnalysisForDerivativeFinancialLiabilitiesTable |
| 2611 |
Maturity [axis] |
Axis |
|
|
ifrs-full:MaturityAxis |
| 2612 |
Aggregated time bands [member] |
Member |
|
|
ifrs-full:AggregatedTimeBandsMember |
| 2613 |
Less than 1 month [member] |
Member |
|
|
ifrs-full:NotLaterThanOneMonthMember |
| 2614 |
1 to 3 months [member] |
Member |
|
|
ifrs-full:LaterThanOneMonthAndNotLaterThanThreeMonthsMember |
| 2615 |
3 months to 1 year [member] |
Member |
|
|
ifrs-full:LaterThanThreeMonthsAndNotLaterThanOneYearMember |
| 2616 |
Classes of financial instruments [axis] |
Axis |
|
|
ifrs-full:ClassesOfFinancialInstrumentsAxis |
| 2617 |
Financial instruments, class [member] |
Member |
|
|
ifrs-full:ClassesOfFinancialInstrumentsMember |
| 2618 |
Forward exchange contracts [member] |
Member |
|
|
ifrs-full:ForwardContractMember |
| 2619 |
Swap contracts [member] |
Member |
|
|
ifrs-full:SwapContractMember |
| 2620 |
Cash And Cash Equivalents 1 [axis] |
Axis |
|
|
asx:CashAndCashEquivalents1Axis |
| 2621 |
Share-based Incentive Plans [member] |
Member |
|
|
asx:SharebasedIncentivePlansMember |
| 2622 |
Inflows [member] |
Member |
|
|
asx:InflowsMember |
| 2623 |
Outflows [member] |
Member |
|
|
asx:OutflowsMember |
| 2624 |
Disclosure of maturity analysis for derivative financial liabilities [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfMaturityAnalysisForDerivativeFinancialLiabilitiesLineItems |
| 2625 |
Net settled |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:NetAmountsForPayfloatingReceivefixedInterestRateSwapsForWhichNetCashFlowsAreExchanged |
| 2626 |
Gross settled |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:ContractualAmountsToBeExchangedInDerivativeFinancialInstrumentForWhichGrossCashFlowsAreExchanged |
| 2627 |
1214 - Disclosure - Related Party Transactions - Additional Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureRelatedPartyTransactionsAdditionalInformation |
| 2628 |
Disclosure of transactions between related parties [table] |
Table |
* |
* |
ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesTable |
| 2629 |
Consolidated structured entities [axis] |
Axis |
|
|
ifrs-full:ConsolidatedStructuredEntitiesAxis |
| 2630 |
Entity's total for consolidated structured entities [member] |
Member |
|
|
ifrs-full:EntitysTotalForConsolidatedStructuredEntitiesMember |
| 2631 |
USI Enterprise Limited [member] |
Member |
|
|
asx:USIEnterpriseLimitedMember |
| 2632 |
Categories of related parties [axis] |
Axis |
|
|
ifrs-full:CategoriesOfRelatedPartiesAxis |
| 2633 |
Entity's total for related parties [member] |
Member |
|
|
ifrs-full:EntitysTotalForRelatedPartiesMember |
| 2634 |
ASE Cultural and Educational Foundation [member] |
Member |
|
|
asx:ASECulturalAndEducationalFoundationMember |
| 2635 |
Associates [member] |
Member |
|
|
ifrs-full:AssociatesMember |
| 2636 |
Associates [axis] |
Axis |
|
|
ifrs-full:SignificantInvestmentsInAssociatesAxis |
| 2637 |
Entity's total for associates [member] |
Member |
|
|
ifrs-full:EntitysTotalForAssociatesMember |
| 2638 |
Deca Technologies Inc. [member] |
Member |
|
|
asx:DecaTechnologiesIncMember |
| 2639 |
Types of contracts [axis] |
Axis |
|
|
ifrs-full:TypesOfContractsAxis |
| 2640 |
Types of contracts [member] |
Member |
|
|
ifrs-full:TypesOfContractsMember |
| 2641 |
Environmental charity [member] |
Member |
|
|
asx:EnvironmentalCharityMember |
| 2642 |
Classes of intangible assets other than goodwill [axis] |
Axis |
|
|
ifrs-full:ClassesOfIntangibleAssetsOtherThanGoodwillAxis |
| 2643 |
Intangible assets other than goodwill [member] |
Member |
|
|
ifrs-full:IntangibleAssetsOtherThanGoodwillMember |
| 2644 |
Patents and Technology License [member] |
Member |
|
|
asx:PatentsAndTechnologyLicenseMember |
| 2645 |
Classes of property, plant and equipment [axis] |
Axis |
|
|
ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis |
| 2646 |
Property, plant and equipment [member] |
Member |
|
|
ifrs-full:PropertyPlantAndEquipmentMember |
| 2647 |
Employee dormitory [member] |
Member |
|
|
asx:EmployeeDormitoryMember |
| 2648 |
Disclosure of transactions between related parties [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesLineItems |
| 2649 |
Amount contributed related party transactions |
Concept (Monetary) |
For Period |
Credit |
asx:AmountContributedRelatedPartyTransactions |
| 2650 |
Intangible assets acquired |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:IdentifiableIntangibleAssetsRecognisedAsOfAcquisitionDate |
| 2651 |
Amounts payable |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:AmountsPayableRelatedPartyTransactions |
| 2652 |
Total consideration settled |
Concept (Monetary) |
For Period |
|
ifrs-full:SettlementOfLiabilitiesByEntityOnBehalfOfRelatedPartyRelatedPartyTransactions |
| 2653 |
Repurchase of outstanding ordinary shares |
Concept (Shares) |
For Period |
|
asx:RepurchaseOfOutstandingOrdinaryShares |
| 2654 |
Value of ordinary shares purchased |
Concept (Monetary) |
For Period |
Debit |
asx:ValueOfOrdinarySharesRepurchased |
| 2655 |
1215 - Disclosure - Related Party Transactions - Summary of Compensation to Key Management Personnel (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureRelatedPartyTransactionsSummaryOfCompensationToKeyManagementPersonnel |
| 2656 |
Implied Table |
Table |
* |
* |
implied:Table |
| 2657 |
Disclosure of transactions between related parties [abstract] |
Abstract |
|
|
ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesAbstract |
| 2658 |
Short-term employee benefits |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:KeyManagementPersonnelCompensationShorttermEmployeeBenefits |
| 2659 |
Post-employment benefits |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:KeyManagementPersonnelCompensationPostemploymentBenefits |
| 2660 |
Share-based payments |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:KeyManagementPersonnelCompensationSharebasedPayment |
| 2661 |
Total |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:KeyManagementPersonnelCompensation |
| 2662 |
1216 - Disclosure - Assets Pledged as Collateral or for Security - Summary of Assets Pledged as Collateral or for Security (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureAssetsPledgedAsCollateralOrForSecuritySummaryOfAssetsPledgedAsCollateralOrForSecurity |
| 2663 |
Implied Table |
Table |
* |
* |
implied:Table |
| 2664 |
Assets Pledged As Collateral or For Security [abstract] |
Abstract |
|
|
asx:AssetsPledgedAsCollateralOrForSecurityAbstract |
| 2665 |
Inventories related to real estate business |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:InventoriesPledgedAsSecurityForLiabilities |
| 2666 |
Investment properties |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:PropertyPlantAndEquipmentPledgedAsSecurity |
| 2667 |
Land use rights (long-term prepayments for lease) |
Concept (Monetary) |
As Of |
Debit |
asx:NonCurrentLandUseRights |
| 2668 |
Other financial assets (including current and non-current) |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:NoncashAssetsPledgedAsCollateralForWhichTransfereeHasRightByContractOrCustomToSellOrRepledgeCollateral |
| 2669 |
Total |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:AssetsHeldAsCollateralPermittedToBeSoldOrRepledgedAtFairValue |
| 2670 |
1217 - Disclosure - Significant Contingent Liabilities and Unrecognized Commitments - Additional Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureSignificantContingentLiabilitiesAndUnrecognizedCommitmentsAdditionalInformation |
| 2671 |
Disclosure of contingent liabilities [table] |
Table |
* |
* |
ifrs-full:DisclosureOfContingentLiabilitiesTable |
| 2672 |
Geographical areas [axis] |
Axis |
|
|
ifrs-full:GeographicalAreasAxis |
| 2673 |
Geographical areas [member] |
Member |
|
|
ifrs-full:GeographicalAreasMember |
| 2674 |
Taiwan [member] |
Member |
|
|
country:TW |
| 2675 |
Non-adjusting events after reporting period [axis] |
Axis |
|
|
ifrs-full:NonadjustingEventsAfterReportingPeriodAxis |
| 2676 |
Non-adjusting events after reporting period [member] |
Member |
|
|
ifrs-full:NonadjustingEventsMember |
| 2677 |
Announcing or commencing implementation of major restructuring [member] |
Member |
|
|
ifrs-full:AnnouncingOrCommencingImplementationOfMajorRestructuringMember |
| 2678 |
Disclosure of contingent liabilities [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfContingentLiabilitiesLineItems |
| 2679 |
Unused letters of credit |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:UndrawnBorrowingFacilities |
| 2680 |
Committed to purchase property, plant and equipment |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:ContractualCommitmentsForAcquisitionOfPropertyPlantAndEquipment |
| 2681 |
Prepayment of property, plant and equipment |
Concept (Monetary) |
For Period |
Credit |
asx:PrepaymentsForPropertyPlantAndEquipment |
| 2682 |
Construction contract related to real estate business |
Concept (Monetary) |
For Period |
Credit |
asx:UnpaidAmountForTheConstructionContracted |
| 2683 |
Contractual period for environmental protection |
Concept (xbrli:durationItemType) |
For Period |
|
asx:CommitmentPeriod |
| 2684 |
Contribution to be made for environmental protection |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:ProvisionForDecommissioningRestorationAndRehabilitationCosts |
| 2685 |
1218 - Disclosure - Significant Subsequent Events - Additional Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureSignificantSubsequentEventsAdditionalInformation |
| 2686 |
Disclosure of non-adjusting events after reporting period [table] |
Table |
* |
* |
ifrs-full:DisclosureOfNonadjustingEventsAfterReportingPeriodTable |
| 2687 |
Non-adjusting events after reporting period [axis] |
Axis |
|
|
ifrs-full:NonadjustingEventsAfterReportingPeriodAxis |
| 2688 |
Non-adjusting events after reporting period [member] |
Member |
|
|
ifrs-full:NonadjustingEventsMember |
| 2689 |
Ordinary shares [member] |
Member |
|
|
ifrs-full:OrdinarySharesMember |
| 2690 |
Unsecured domestic bonds [member] |
Member |
|
|
asx:UnsecuredDomesticBondsMember |
| 2691 |
Range [axis] |
Axis |
|
|
ifrs-full:RangeAxis |
| 2692 |
Ranges [member] |
Member |
|
|
ifrs-full:RangesMember |
| 2693 |
Top of range [member] |
Member |
|
|
ifrs-full:TopOfRangeMember |
| 2694 |
Borrowings by name [axis] |
Axis |
|
|
ifrs-full:BorrowingsByNameAxis |
| 2695 |
Borrowings by name [member] |
Member |
|
|
ifrs-full:BorrowingsByNameMember |
| 2696 |
Unsecured domestic bond annual interest rates of 0.9% with maturity of 5 years [member] |
Member |
|
|
asx:UnsecuredDomesticBondAnnualInterestRatesOfZeroPointNinePercentWithMaturityOfFiveYearsMember |
| 2697 |
Unsecured domestic bond annual interest rates of 1.03% with maturity of 7 years [member] |
Member |
|
|
asx:UnsecuredDomesticBondAnnualInterestRatesOfOnePointZeroThreePercentWithMaturityOfSevenYearsMember |
| 2698 |
Disclosure of non-adjusting events after reporting period [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems |
| 2699 |
Proceeds from issue of ordinary shares |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ProceedsFromIssueOfOrdinaryShares |
| 2700 |
Par value of ordinary shares |
Concept (Share) |
For Period |
|
ifrs-full:DividendsPaidOrdinarySharesPerShare |
| 2701 |
Proceeds from issue of bonds |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ProceedsFromIssueOfBondsNotesAndDebentures |
| 2702 |
Interest rate |
Concept (Percent) |
As Of |
|
ifrs-full:BorrowingsInterestRate |
| 2703 |
Maturity term |
Concept (Text/String) |
For Period |
|
ifrs-full:DescriptionOfTermsOfSharesReservedForIssueUnderOptionsAndContractsForSaleOfShares |
| 2704 |
1219 - Disclosure - Significant Assets and Liabilities Denominated in Foreign Currencies - Summary of Significant Assets and Liabilities Denominated in Foreign Currencies (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureSignificantAssetsAndLiabilitiesDenominatedInForeignCurrenciesSummaryOfSignificantAssetsAndLiabilitiesDenominatedInForeignCurrencies |
| 2705 |
Disclosure of detailed information about financial instruments [table] |
Table |
* |
* |
ifrs-full:DisclosureOfFinancialInstrumentsTable |
| 2706 |
Currency [Axis] |
Axis |
|
|
srt:CurrencyAxis |
| 2707 |
All Currencies [Domain] |
Member |
|
|
currency:AllCurrenciesDomain |
| 2708 |
US Dollar [member] |
Member |
|
|
currency:USD |
| 2709 |
Japanese Yen [Member] |
Member |
|
|
currency:JPY |
| 2710 |
Types of contracts [axis] |
Axis |
|
|
ifrs-full:TypesOfContractsAxis |
| 2711 |
Types of contracts [member] |
Member |
|
|
ifrs-full:TypesOfContractsMember |
| 2712 |
US dollar equals to New Taiwan dollar [member] |
Member |
|
|
asx:UsDollarEqualsToNewTaiwanDollarMember |
| 2713 |
US dollar equals to Chinese yuan [member] |
Member |
|
|
asx:USDollarEqualsToChineseYuanMember |
| 2714 |
Japanese yen equals to New Taiwan dollar [member] |
Member |
|
|
asx:JapaneseYenEqualsToNewTaiwanDollarMember |
| 2715 |
Japanese yen equals to US dollar [member] |
Member |
|
|
asx:JapaneseYenEqualsToUsDollarMember |
| 2716 |
Disclosure of detailed information about financial instruments [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfFinancialInstrumentsLineItems |
| 2717 |
Financial assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:FinancialAssets |
| 2718 |
Financial liabilities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:FinancialLiabilities |
| 2719 |
Exchange Rate |
Concept (Text/String) |
For Period |
|
asx:ExchangeRateDescription |
| 2720 |
Exchange Rate |
Concept (Text/String) |
For Period |
|
asx:ExchangeRateDescription |
| 2721 |
1220 - Disclosure - Significant Assets and Liabilities Denominated in Foreign Currencies - Summary of Realized and Unrealized Foreign Exchange Gain (Loss) (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureSignificantAssetsAndLiabilitiesDenominatedInForeignCurrenciesSummaryOfRealizedAndUnrealizedForeignExchangeGainLoss |
| 2722 |
Disclosure of detailed information about financial instruments [table] |
Table |
* |
* |
ifrs-full:DisclosureOfFinancialInstrumentsTable |
| 2723 |
Currency [Axis] |
Axis |
|
|
srt:CurrencyAxis |
| 2724 |
All Currencies [Domain] |
Member |
|
|
currency:AllCurrenciesDomain |
| 2725 |
US Dollar [member] |
Member |
|
|
currency:USD |
| 2726 |
New Taiwan Dollar [member] |
Member |
|
|
currency:TWD |
| 2727 |
Chinese Yuan [member] |
Member |
|
|
currency:CNY |
| 2728 |
Types of contracts [axis] |
Axis |
|
|
ifrs-full:TypesOfContractsAxis |
| 2729 |
Types of contracts [member] |
Member |
|
|
ifrs-full:TypesOfContractsMember |
| 2730 |
US dollar equals to New Taiwan dollar [member] |
Member |
|
|
asx:UsDollarEqualsToNewTaiwanDollarMember |
| 2731 |
Chinese Yuan equals to New Taiwan dollar [member] |
Member |
|
|
asx:ChineseYuanEqualsToNewTaiwanDollarMember |
| 2732 |
Disclosure of detailed information about financial instruments [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfFinancialInstrumentsLineItems |
| 2733 |
Exchange Rate |
Concept (Text/String) |
For Period |
|
asx:ExchangeRateDescription |
| 2734 |
Net Foreign Exchange Gain (Loss) |
Concept (Monetary) |
For Period |
Credit |
asx:RealizedAndUnrealizedForeignExchangeGainLoss |
| 2735 |
1221 - Disclosure - Others - Additional Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureOthersAdditionalInformation |
| 2736 |
Implied Table |
Table |
* |
* |
implied:Table |
| 2737 |
Disclosure Detailed Information About Others [abstract] |
Abstract |
|
|
asx:DisclosureDetailedInformationAboutOthersAbstract |
| 2738 |
Administrative fine imposed |
Concept (Monetary) |
For Period |
Debit |
asx:AmountOfFineImposed |
| 2739 |
1222 - Disclosure - Operating Segments Information - Summary of Segment Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureOperatingSegmentsInformationSummaryOfSegmentInformation |
| 2740 |
Disclosure of operating segments [table] |
Table |
* |
* |
ifrs-full:DisclosureOfOperatingSegmentsTable |
| 2741 |
Segment consolidation items [axis] |
Axis |
|
|
ifrs-full:SegmentConsolidationItemsAxis |
| 2742 |
Entity's total for segment consolidation items [member] |
Member |
|
|
ifrs-full:EntitysTotalForSegmentConsolidationItemsMember |
| 2743 |
Inter-segment revenues [member] |
Member |
|
|
ifrs-full:EliminationOfIntersegmentAmountsMember |
| 2744 |
Operating segment [member] |
Member |
|
|
ifrs-full:OperatingSegmentsMember |
| 2745 |
Segments [axis] |
Axis |
|
|
ifrs-full:SegmentsAxis |
| 2746 |
Segments [member] |
Member |
|
|
ifrs-full:SegmentsMember |
| 2747 |
Packaging segment [member] |
Member |
|
|
asx:PackagingSegmentMember |
| 2748 |
Testing segment [member] |
Member |
|
|
asx:TestingSegmentMember |
| 2749 |
EMS segment [member] |
Member |
|
|
asx:ElectronicManufacturingServiceSegmentMember |
| 2750 |
All other segments [member] |
Member |
|
|
ifrs-full:AllOtherSegmentsMember |
| 2751 |
Adjustments and Eliminations [member] |
Member |
|
|
asx:AdjustmentsAndEliminationsMember |
| 2752 |
Disclosure of operating segments [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfOperatingSegmentsLineItems |
| 2753 |
Operating revenue |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:Revenue |
| 2754 |
Interest income |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:RevenueFromInterest |
| 2755 |
Interest expense |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:InterestExpense |
| 2756 |
Depreciation and amortization |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:DepreciationAndAmortisationExpense |
| 2757 |
Share of the profit or loss of associates and joint ventures |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod |
| 2758 |
Impairment loss |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ImpairmentLossRecognisedInProfitOrLoss |
| 2759 |
Segment profit before income tax |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLossBeforeTax |
| 2760 |
Expenditures for segment assets |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdditionsToNoncurrentAssets |
| 2761 |
Investments accounted for using the equity method |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:InvestmentAccountedForUsingEquityMethod |
| 2762 |
Contract assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:ContractAssets |
| 2763 |
1223 - Disclosure - Operating Segments Information - Summary of Revenue from Major Products and Services (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureOperatingSegmentsInformationSummaryOfRevenueFromMajorProductsAndServices |
| 2764 |
Disclosure of products and services [table] |
Table |
* |
* |
ifrs-full:DisclosureOfProductsAndServicesTable |
| 2765 |
Products and services [axis] |
Axis |
|
|
ifrs-full:ProductsAndServicesAxis |
| 2766 |
Products and services [member] |
Member |
|
|
ifrs-full:ProductsAndServicesMember |
| 2767 |
Packaging service [member] |
Member |
|
|
asx:PackagingServiceMember |
| 2768 |
Testing service [member] |
Member |
|
|
asx:TestingServiceMember |
| 2769 |
Electronic components manufacturing service [member] |
Member |
|
|
asx:ElectronicComponentsManufacturingServiceMember |
| 2770 |
Other products and services [member] |
Member |
|
|
asx:OtherProductsAndServicesMember |
| 2771 |
Disclosure of products and services [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfProductsAndServicesLineItems |
| 2772 |
Operating revenue |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:Revenue |
| 2773 |
1224 - Disclosure - Operating Segments Information - Summary of Geographical Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureOperatingSegmentsInformationSummaryOfGeographicalInformation |
| 2774 |
Disclosure of geographical areas [table] |
Table |
* |
* |
ifrs-full:DisclosureOfGeographicalAreasTable |
| 2775 |
Geographical areas [axis] |
Axis |
|
|
ifrs-full:GeographicalAreasAxis |
| 2776 |
Geographical areas [member] |
Member |
|
|
ifrs-full:GeographicalAreasMember |
| 2777 |
United States [Member] |
Member |
|
|
country:US |
| 2778 |
Taiwan [member] |
Member |
|
|
country:TW |
| 2779 |
Asia [Member] |
Member |
|
|
srt:AsiaMember |
| 2780 |
Europe [Member] |
Member |
|
|
srt:EuropeMember |
| 2781 |
Other geographical areas [member] |
Member |
|
|
asx:OtherGeographicalAreasMember |
| 2782 |
China [member] |
Member |
|
|
country:CN |
| 2783 |
Disclosure of geographical areas [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfGeographicalAreasLineItems |
| 2784 |
Operating revenue |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:Revenue |
| 2785 |
Noncurrent assets, excluding financial instruments, post-employment benefit assets and deferred tax assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:NoncurrentAssetsOtherThanFinancialInstrumentsDeferredTaxAssetsPostemploymentBenefitAssetsAndRightsArisingUnderInsuranceContracts |
| 2786 |
1225 - Disclosure - Operating Segments Information - Additional Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureOperatingSegmentsInformationAdditionalInformation |
| 2787 |
Disclosure of operating segments [table] |
Table |
* |
* |
ifrs-full:DisclosureOfOperatingSegmentsTable |
| 2788 |
Segments [axis] |
Axis |
|
|
ifrs-full:SegmentsAxis |
| 2789 |
Segments [member] |
Member |
|
|
ifrs-full:SegmentsMember |
| 2790 |
Packaging and EMS segments [member] |
Member |
|
|
asx:PackagingAndElectronicManufacturingServiceSegmentMember |
| 2791 |
Major customers [axis] |
Axis |
|
|
ifrs-full:MajorCustomersAxis |
| 2792 |
Customers [member] |
Member |
|
|
ifrs-full:MajorCustomersMember |
| 2793 |
Customer One [member] |
Member |
|
|
asx:CustomerOneMember |
| 2794 |
Disclosure of operating segments [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfOperatingSegmentsLineItems |
| 2795 |
Operating revenue |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:Revenue |