3.26.3 html 275 337 1 true 72 0 false 8 false false R1.htm 75000 - Document - Document and Entity Information Sheet http://www.adeia.com/20260930/taxonomy/role/Role_DocumentDocumentAndEntityInformation Document and Entity Information Cover 1 false false R2.htm 75010 - Statement - Condensed Consolidated Statements of Income (Unaudited) Sheet http://www.adeia.com/20260930/taxonomy/role/StatementCondensedConsolidatedStatementsOfIncomeUnaudited Condensed Consolidated Statements of Income (Unaudited) Statements 2 false false R3.htm 75020 - Statement - Condensed Consolidated Statements of Comprehensive Income (Unaudited) Sheet http://www.adeia.com/20260930/taxonomy/role/StatementCondensedConsolidatedStatementsOfComprehensiveIncomeUnaudited Condensed Consolidated Statements of Comprehensive Income (Unaudited) Statements 3 false false R4.htm 75030 - Statement - Condensed Consolidated Balance Sheets Sheet http://www.adeia.com/20260930/taxonomy/role/Role_StatementCondensedConsolidatedBalanceSheets Condensed Consolidated Balance Sheets Statements 4 false false R5.htm 75040 - Statement - Condensed Consolidated Balance Sheets (Parenthetical) Sheet http://www.adeia.com/20260930/taxonomy/role/Role_StatementCondensedConsolidatedBalanceSheetsParenthetical Condensed Consolidated Balance Sheets (Parenthetical) Statements 5 false false R6.htm 75050 - Statement - Condensed Consolidated Statements of Cash Flows (Unaudited) Sheet http://www.adeia.com/20260930/taxonomy/role/Role_StatementCondensedConsolidatedStatementsOfCashFlowsUnaudited Condensed Consolidated Statements of Cash Flows (Unaudited) Statements 6 false false R7.htm 75070 - Statement - Condensed Consolidated Statements of Equity (Unaudited) Sheet http://www.adeia.com/20260930/taxonomy/role/Role_StatementCondensedConsolidatedStatementsOfEquityUnaudited Condensed Consolidated Statements of Equity (Unaudited) Statements 7 false false R8.htm 75080 - Statement - Condensed Consolidated Statements of Equity (Unaudited) (Parenthetical) Sheet http://www.adeia.com/20260930/taxonomy/role/Role_StatementCondensedConsolidatedStatementsOfEquityUnauditedParenthetical Condensed Consolidated Statements of Equity (Unaudited) (Parenthetical) Statements 8 false false R9.htm 995410 - Disclosure - Pay vs Performance Disclosure Sheet http://xbrl.sec.gov/ecd/role/PvpDisclosure Pay vs Performance Disclosure Notes 9 false false R10.htm 995445 - Disclosure - Insider Trading Arrangements Sheet http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements Insider Trading Arrangements Notes 10 false false R11.htm 995455 - Disclosure - The Company and Basis of Presentation Sheet http://www.adeia.com/20260930/taxonomy/role/Role_DisclosureTheCompanyAndBasisOfPresentation The Company and Basis of Presentation Notes 11 false false R12.htm 995465 - Disclosure - Summary of Significant Accounting Policies Sheet http://www.adeia.com/20260930/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPolicies Summary of Significant Accounting Policies Notes 12 false false R13.htm 995475 - Disclosure - Revenue Sheet http://www.adeia.com/20260930/taxonomy/role/Role_DisclosureRevenue Revenue Notes 13 false false R14.htm 995485 - Disclosure - Composition of Certain Financial Statement Captions Sheet http://www.adeia.com/20260930/taxonomy/role/Role_DisclosureCompositionOfCertainFinancialStatementCaptions Composition of Certain Financial Statement Captions Notes 14 false false R15.htm 995495 - Disclosure - Financial Instruments Sheet http://www.adeia.com/20260930/taxonomy/role/Role_DisclosureFinancialInstruments Financial Instruments Notes 15 false false R16.htm 995505 - Disclosure - Fair Value Sheet http://www.adeia.com/20260930/taxonomy/role/Role_DisclosureFairValue Fair Value Notes 16 false false R17.htm 995515 - Disclosure - Goodwill and Identified Intangible Assets Sheet http://www.adeia.com/20260930/taxonomy/role/Role_DisclosureGoodwillAndIdentifiedIntangibleAssets Goodwill and Identified Intangible Assets Notes 17 false false R18.htm 995525 - Disclosure - Debt Sheet http://www.adeia.com/20260930/taxonomy/role/Role_DisclosureDebt Debt Notes 18 false false R19.htm 995535 - Disclosure - Net Income Per Share Sheet http://www.adeia.com/20260930/taxonomy/role/DisclosureNetIncomePerShare Net Income Per Share Notes 19 false false R20.htm 995545 - Disclosure - Stockholders' Equity Sheet http://www.adeia.com/20260930/taxonomy/role/Role_DisclosureStockholdersEquity Stockholders' Equity Notes 20 false false R21.htm 995555 - Disclosure - Stock-Based Compensation Expense Sheet http://www.adeia.com/20260930/taxonomy/role/Role_DisclosureStockBasedCompensationExpense Stock-Based Compensation Expense Notes 21 false false R22.htm 995565 - Disclosure - Income Taxes Sheet http://www.adeia.com/20260930/taxonomy/role/Role_DisclosureIncomeTaxes Income Taxes Notes 22 false false R23.htm 995575 - Disclosure - Leases Sheet http://www.adeia.com/20260930/taxonomy/role/Role_DisclosureLeases Leases Notes 23 false false R24.htm 995585 - Disclosure - Commitments and Contingencies Sheet http://www.adeia.com/20260930/taxonomy/role/Role_DisclosureCommitmentsAndContingencies Commitments and Contingencies Notes 24 false false R25.htm 995595 - Disclosure - Segment Information Sheet http://www.adeia.com/20260930/taxonomy/role/DisclosureSegmentInformation1 Segment Information Notes 25 false false R26.htm 995605 - Disclosure - Subsequent Events Sheet http://www.adeia.com/20260930/taxonomy/role/Role_DisclosureSubsequentEvents Subsequent Events Notes 26 false false R27.htm 995615 - Disclosure - Summary of Significant Accounting Policies (Policies) Sheet http://www.adeia.com/20260930/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesPolicies Summary of Significant Accounting Policies (Policies) Policies http://www.adeia.com/20260930/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPolicies 27 false false R28.htm 995625 - Disclosure - Revenue (Tables) Sheet http://www.adeia.com/20260930/taxonomy/role/Role_DisclosureRevenueTables Revenue (Tables) Tables http://www.adeia.com/20260930/taxonomy/role/Role_DisclosureRevenue 28 false false R29.htm 995635 - Disclosure - Composition of Certain Financial Statement Captions (Tables) Sheet http://www.adeia.com/20260930/taxonomy/role/Role_DisclosureCompositionOfCertainFinancialStatementCaptionsTables Composition of Certain Financial Statement Captions (Tables) Tables http://www.adeia.com/20260930/taxonomy/role/Role_DisclosureCompositionOfCertainFinancialStatementCaptions 29 false false R30.htm 995645 - Disclosure - Financial Instruments (Tables) Sheet http://www.adeia.com/20260930/taxonomy/role/Role_DisclosureFinancialInstrumentsTables Financial Instruments (Tables) Tables http://www.adeia.com/20260930/taxonomy/role/Role_DisclosureFinancialInstruments 30 false false R31.htm 995655 - Disclosure - Fair Value (Tables) Sheet http://www.adeia.com/20260930/taxonomy/role/Role_DisclosureFairValueTables Fair Value (Tables) Tables http://www.adeia.com/20260930/taxonomy/role/Role_DisclosureFairValue 31 false false R32.htm 995665 - Disclosure - Goodwill and Identified Intangible Assets (Tables) Sheet http://www.adeia.com/20260930/taxonomy/role/Role_DisclosureGoodwillAndIdentifiedIntangibleAssetsTables Goodwill and Identified Intangible Assets (Tables) Tables http://www.adeia.com/20260930/taxonomy/role/Role_DisclosureGoodwillAndIdentifiedIntangibleAssets 32 false false R33.htm 995675 - Disclosure - Debt (Tables) Sheet http://www.adeia.com/20260930/taxonomy/role/Role_DisclosureDebtTables Debt (Tables) Tables http://www.adeia.com/20260930/taxonomy/role/Role_DisclosureDebt 33 false false R34.htm 995685 - Disclosure - Net Income Per Share (Tables) Sheet http://www.adeia.com/20260930/taxonomy/role/DisclosureNetIncomePerShareTables Net Income Per Share (Tables) Tables http://www.adeia.com/20260930/taxonomy/role/DisclosureNetIncomePerShare 34 false false R35.htm 995695 - Disclosure - Stockholders' Equity (Tables) Sheet http://www.adeia.com/20260930/taxonomy/role/Role_DisclosureStockholdersEquityTables Stockholders' Equity (Tables) Tables http://www.adeia.com/20260930/taxonomy/role/Role_DisclosureStockholdersEquity 35 false false R36.htm 995705 - Disclosure - Stock-Based Compensation Expense (Tables) Sheet http://www.adeia.com/20260930/taxonomy/role/Role_DisclosureStockBasedCompensationExpenseTables Stock-Based Compensation Expense (Tables) Tables http://www.adeia.com/20260930/taxonomy/role/Role_DisclosureStockBasedCompensationExpense 36 false false R37.htm 995715 - Disclosure - Leases (Tables) Sheet http://www.adeia.com/20260930/taxonomy/role/Role_DisclosureLeasesTables Leases (Tables) Tables http://www.adeia.com/20260930/taxonomy/role/Role_DisclosureLeases 37 false false R38.htm 995725 - Disclosure - Segment Information (Tables) Sheet http://www.adeia.com/20260930/taxonomy/role/DisclosureSegmentInformationTables Segment Information (Tables) Tables http://www.adeia.com/20260930/taxonomy/role/DisclosureSegmentInformation1 38 false false R39.htm 995735 - Disclosure - The Company and Basis of Presentation - Additional Information (Details) Sheet http://www.adeia.com/20260930/taxonomy/role/Role_DisclosureTheCompanyAndBasisOfPresentationAdditionalInformationDetails The Company and Basis of Presentation - Additional Information (Details) Details 39 false false R40.htm 995745 - Disclosure - Summary of Significant Accounting Policies - Additional Information (Details) Sheet http://www.adeia.com/20260930/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetails Summary of Significant Accounting Policies - Additional Information (Details) Details 40 false false R41.htm 995755 - Disclosure - Revenue - Additional Information (Details) Sheet http://www.adeia.com/20260930/taxonomy/role/Role_DisclosureRevenueAdditionalInformationDetails Revenue - Additional Information (Details) Details 41 false false R42.htm 995765 - Disclosure - Revenue - Schedule of Revenue Disaggregated by Recurring and Non-recurring (Details) Sheet http://www.adeia.com/20260930/taxonomy/role/DisclosureRevenueScheduleOfRevenueDisaggregatedByRecurringAndNonrecurringDetails Revenue - Schedule of Revenue Disaggregated by Recurring and Non-recurring (Details) Details 42 false false R43.htm 995775 - Disclosure - Revenue - Schedule of Revenue Disaggregated by Market Vertical (Details) Sheet http://www.adeia.com/20260930/taxonomy/role/DisclosureRevenueScheduleOfRevenueDisaggregatedByMarketVerticalDetails Revenue - Schedule of Revenue Disaggregated by Market Vertical (Details) Details 43 false false R44.htm 995785 - Disclosure - Revenue - Schedule of Contract Assets (Details) Sheet http://www.adeia.com/20260930/taxonomy/role/Role_DisclosureRevenueScheduleOfContractAssetsDetails Revenue - Schedule of Contract Assets (Details) Details 44 false false R45.htm 995795 - Disclosure - Revenue - Schedule of Revenue Recognized in Period (Details) Sheet http://www.adeia.com/20260930/taxonomy/role/Role_DisclosureRevenueScheduleOfRevenueRecognizedInPeriodDetails Revenue - Schedule of Revenue Recognized in Period (Details) Details 45 false false R46.htm 995805 - Disclosure - Revenue - Schedule of Remaining Performance Obligations (Details) Sheet http://www.adeia.com/20260930/taxonomy/role/Role_DisclosureRevenueScheduleOfRemainingPerformanceObligationsDetails Revenue - Schedule of Remaining Performance Obligations (Details) Details 46 false false R47.htm 995815 - Disclosure - Revenue - Schedule of Remaining Performance Obligations (Details 1) Sheet http://www.adeia.com/20260930/taxonomy/role/Role_DisclosureRevenueScheduleOfRemainingPerformanceObligationsDetails1 Revenue - Schedule of Remaining Performance Obligations (Details 1) Details 47 false false R48.htm 995825 - Disclosure - Composition of Certain Financial Statement Captions - Schedule of Other Current Assets (Details) Sheet http://www.adeia.com/20260930/taxonomy/role/Role_DisclosureCompositionOfCertainFinancialStatementCaptionsScheduleOfOtherCurrentAssetsDetails Composition of Certain Financial Statement Captions - Schedule of Other Current Assets (Details) Details 48 false false R49.htm 995835 - Disclosure - Composition of Certain Financial Statement Captions - Schedule of Property and Equipment, Net (Details) Sheet http://www.adeia.com/20260930/taxonomy/role/Role_DisclosureCompositionOfCertainFinancialStatementCaptionsScheduleOfPropertyAndEquipmentNetDetails Composition of Certain Financial Statement Captions - Schedule of Property and Equipment, Net (Details) Details 49 false false R50.htm 995845 - Disclosure - Composition of Certain Financial Statement Captions - Schedule of Other Long Term Assets (Details) Sheet http://www.adeia.com/20260930/taxonomy/role/Role_DisclosureCompositionOfCertainFinancialStatementCaptionsScheduleOfOtherLongTermAssetsDetails Composition of Certain Financial Statement Captions - Schedule of Other Long Term Assets (Details) Details 50 false false R51.htm 995855 - Disclosure - Composition of Certain Financial Statement Captions - Schedule of Accrued Liabilities (Details) Sheet http://www.adeia.com/20260930/taxonomy/role/DisclosureCompositionOfCertainFinancialStatementCaptionsScheduleOfAccruedLiabilitiesDetails Composition of Certain Financial Statement Captions - Schedule of Accrued Liabilities (Details) Details 51 false false R52.htm 995865 - Disclosure - Composition of Certain Financial Statement Captions - Schedule of Other Long-Term Liabilities (Details) Sheet http://www.adeia.com/20260930/taxonomy/role/Role_DisclosureCompositionOfCertainFinancialStatementCaptionsScheduleOfOtherLongTermLiabilitiesDetails Composition of Certain Financial Statement Captions - Schedule of Other Long-Term Liabilities (Details) Details 52 false false R53.htm 995875 - Disclosure - Financial Instruments - Summary of Marketable Securities (Details) Sheet http://www.adeia.com/20260930/taxonomy/role/Role_DisclosureFinancialInstrumentsSummaryOfMarketableSecuritiesDetails Financial Instruments - Summary of Marketable Securities (Details) Details 53 false false R54.htm 995895 - Disclosure - Financial Instruments - Additional Information (Details) Sheet http://www.adeia.com/20260930/taxonomy/role/Role_DisclosureFinancialInstrumentsAdditionalInformationDetails Financial Instruments - Additional Information (Details) Details 54 false false R55.htm 995905 - Disclosure - Financial Instruments - Estimated Fair Value of Marketable Debt Securities by Contractual Maturity (Details) Sheet http://www.adeia.com/20260930/taxonomy/role/DisclosureFinancialInstrumentsEstimatedFairValueOfMarketableDebtSecuritiesByContractualMaturityDetails Financial Instruments - Estimated Fair Value of Marketable Debt Securities by Contractual Maturity (Details) Details 55 false false R56.htm 995915 - Disclosure - Fair Value - Schedule of Fair Value Assets Measured on Recurring Basis (Details) Sheet http://www.adeia.com/20260930/taxonomy/role/Role_DisclosureFairValueScheduleOfFairValueAssetsMeasuredOnRecurringBasisDetails Fair Value - Schedule of Fair Value Assets Measured on Recurring Basis (Details) Details 56 false false R57.htm 995925 - Disclosure - Fair Value - Schedule of Carrying Amounts and Estimated Fair Values (Details) Sheet http://www.adeia.com/20260930/taxonomy/role/Role_DisclosureFairValueScheduleOfCarryingAmountsAndEstimatedFairValuesDetails Fair Value - Schedule of Carrying Amounts and Estimated Fair Values (Details) Details 57 false false R58.htm 995935 - Disclosure - Fair Value - Schedule of Carrying Amounts and Estimated Fair Values (Parenthetical) (Details) Sheet http://www.adeia.com/20260930/taxonomy/role/Role_DisclosureFairValueScheduleOfCarryingAmountsAndEstimatedFairValuesParentheticalDetails Fair Value - Schedule of Carrying Amounts and Estimated Fair Values (Parenthetical) (Details) Details 58 false false R59.htm 995945 - Disclosure - Fair Value - Additional Information (Details) Sheet http://www.adeia.com/20260930/taxonomy/role/DisclosureFairValueAdditionalInformationDetails Fair Value - Additional Information (Details) Details 59 false false R60.htm 995955 - Disclosure - Goodwill and Identified Intangible Assets - Additional Information (Details) Sheet http://www.adeia.com/20260930/taxonomy/role/DisclosureGoodwillAndIdentifiedIntangibleAssetsAdditionalInformationDetails Goodwill and Identified Intangible Assets - Additional Information (Details) Details 60 false false R61.htm 995965 - Disclosure - Goodwill and Identified Intangible Assets - Identified Intangible Assets (Details) Sheet http://www.adeia.com/20260930/taxonomy/role/Role_DisclosureGoodwillAndIdentifiedIntangibleAssetsIdentifiedIntangibleAssetsDetails Goodwill and Identified Intangible Assets - Identified Intangible Assets (Details) Details 61 false false R62.htm 995975 - Disclosure - Goodwill and Identified Intangible Assets - Estimated Future Amortization Expense (Details) Sheet http://www.adeia.com/20260930/taxonomy/role/Role_DisclosureGoodwillAndIdentifiedIntangibleAssetsEstimatedFutureAmortizationExpenseDetails Goodwill and Identified Intangible Assets - Estimated Future Amortization Expense (Details) Details 62 false false R63.htm 995985 - Disclosure - Debt - Schedule of Outstanding Amounts of Debt (Details) Sheet http://www.adeia.com/20260930/taxonomy/role/Role_DisclosureDebtScheduleOfOutstandingAmountsOfDebtDetails Debt - Schedule of Outstanding Amounts of Debt (Details) Details 63 false false R64.htm 996005 - Disclosure - Debt - Additional Information (Details) Sheet http://www.adeia.com/20260930/taxonomy/role/Role_DisclosureDebtAdditionalInformationDetails Debt - Additional Information (Details) Details 64 false false R65.htm 996015 - Disclosure - Debt - Summary of Future Minimum Principal Payments for Long-term Debt, Excluding Any Additional Payment Required by the Excess Cash Flow Provision (Details) Sheet http://www.adeia.com/20260930/taxonomy/role/DisclosureDebtSummaryOfFutureMinimumPrincipalPaymentsForLongtermDebtExcludingAnyAdditionalPaymentRequiredByTheExcessCashFlowProvisionDet Debt - Summary of Future Minimum Principal Payments for Long-term Debt, Excluding Any Additional Payment Required by the Excess Cash Flow Provision (Details) Details 65 false false R66.htm 996025 - Disclosure - Net Income Per Share - Computation of Net Income Per Share (Details) Sheet http://www.adeia.com/20260930/taxonomy/role/DisclosureNetIncomePerShareComputationOfNetIncomePerShareDetails Net Income Per Share - Computation of Net Income Per Share (Details) Details 66 false false R67.htm 996035 - Disclosure - Stockholders' Equity - Additional Information (Details) Sheet http://www.adeia.com/20260930/taxonomy/role/Role_DisclosureStockholdersEquityAdditionalInformationDetails Stockholders' Equity - Additional Information (Details) Details 67 false false R68.htm 996045 - Disclosure - Stockholders' Equity - Summary of Restricted Stock Awards (Details) Sheet http://www.adeia.com/20260930/taxonomy/role/DisclosureStockholdersEquitySummaryOfRestrictedStockAwardsDetails Stockholders' Equity - Summary of Restricted Stock Awards (Details) Details 68 false false R69.htm 996055 - Disclosure - Stock-Based Compensation Expense - Effect of Recording Stock-Based Compensation Expense (Details) Sheet http://www.adeia.com/20260930/taxonomy/role/Role_DisclosureStockBasedCompensationExpenseEffectOfRecordingStockBasedCompensationExpenseDetails Stock-Based Compensation Expense - Effect of Recording Stock-Based Compensation Expense (Details) Details 69 false false R70.htm 996075 - Disclosure - Stock-Based Compensation Expense - Schedule of Assumptions Used to Value Awards Granted (Details) Sheet http://www.adeia.com/20260930/taxonomy/role/Role_DisclosureStockBasedCompensationExpenseScheduleOfAssumptionsUsedToValueAwardsGrantedDetails Stock-Based Compensation Expense - Schedule of Assumptions Used to Value Awards Granted (Details) Details 70 false false R71.htm 996085 - Disclosure - Income Taxes - Additional Information (Details) Sheet http://www.adeia.com/20260930/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetails Income Taxes - Additional Information (Details) Details 71 false false R72.htm 996105 - Disclosure - Leases - Schedule of Operating Lease Costs (Details) Sheet http://www.adeia.com/20260930/taxonomy/role/Role_DisclosureLeasesScheduleOfOperatingLeaseCostsDetails Leases - Schedule of Operating Lease Costs (Details) Details 72 false false R73.htm 996115 - Disclosure - Leases - Schedule of Other Information Related to Leases (Details) Sheet http://www.adeia.com/20260930/taxonomy/role/Role_DisclosureLeasesScheduleOfOtherInformationRelatedToLeasesDetails Leases - Schedule of Other Information Related to Leases (Details) Details 73 false false R74.htm 996125 - Disclosure - Leases - Schedule of Future Minimum Lease Payments and Related Lease Liabilities (Details) Sheet http://www.adeia.com/20260930/taxonomy/role/Role_DisclosureLeasesScheduleOfFutureMinimumLeasePaymentsAndRelatedLeaseLiabilitiesDetails Leases - Schedule of Future Minimum Lease Payments and Related Lease Liabilities (Details) Details 74 false false R75.htm 996145 - Disclosure - Leases - Schedule of Future Minimum Lease Payments and Related Lease Liabilities (Parenthetical) (Details) Sheet http://www.adeia.com/20260930/taxonomy/role/DisclosureLeasesScheduleOfFutureMinimumLeasePaymentsAndRelatedLeaseLiabilitiesParentheticalDetails Leases - Schedule of Future Minimum Lease Payments and Related Lease Liabilities (Parenthetical) (Details) Details 75 false false R76.htm 996155 - Disclosure - Commitments and Contingencies - Additional Information (Details) Sheet http://www.adeia.com/20260930/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetails Commitments and Contingencies - Additional Information (Details) Details 76 false false R77.htm 996165 - Disclosure - Segment Information - Additional Information (Details) Sheet http://www.adeia.com/20260930/taxonomy/role/DisclosureSegmentInformationAdditionalInformationDetails Segment Information - Additional Information (Details) Details 77 false false R78.htm 996175 - Disclosure - Segment Information - Schedule of Information with Respect to IP Licensing Segment Revenue, Significant Expenses and Income (Details) Sheet http://www.adeia.com/20260930/taxonomy/role/DisclosureSegmentInformationScheduleOfInformationWithRespectToIpLicensingSegmentRevenueSignificantExpensesAndIncomeDetails Segment Information - Schedule of Information with Respect to IP Licensing Segment Revenue, Significant Expenses and Income (Details) Details 78 false false R79.htm 996185 - Disclosure - Segment Information - Schedule of Revenue by Geography (Details) Sheet http://www.adeia.com/20260930/taxonomy/role/DisclosureSegmentInformationScheduleOfRevenueByGeographyDetails Segment Information - Schedule of Revenue by Geography (Details) Details 79 false false R80.htm 996195 - Disclosure - Segment Information - Schedule of Summary of Customers Comprising 10% or More of Total Revenues (Details) Sheet http://www.adeia.com/20260930/taxonomy/role/DisclosureSegmentInformationScheduleOfSummaryOfCustomersComprising10OrMoreOfTotalRevenuesDetails Segment Information - Schedule of Summary of Customers Comprising 10% or More of Total Revenues (Details) Details 80 false false R81.htm 996205 - Disclosure - Subsequent Events - Additional Information (Details) Sheet http://www.adeia.com/20260930/taxonomy/role/Role_DisclosureSubsequentEventsAdditionalInformationDetails Subsequent Events - Additional Information (Details) Details 81 false false All Reports Book All Reports adea-20260930.htm adea-20260930.xsd http://fasb.org/srt/2026 http://fasb.org/us-gaap/2026 http://xbrl.sec.gov/dei/2026 http://xbrl.sec.gov/ecd/2026 false false