10-Q Filing

INTERDIGITAL, INC. CIK: 1405495 Q2 2024

Filing Information

Form Type	10-Q
Accession Number	`0001405495-24-000103`
Period End Date	20240630
Filing Date	20240801
Fiscal Year	2024
Fiscal Period	Q2
XBRL Instance	idcc-20240630_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 160 Income Statement 154 Cash Flow Statement 136 Stockholders Equity 130 Comprehensive Income 44

Balance Sheet 160 line items

Line Item	Tag	Value	Unit	Period
Preferred stock, par value (in USD per share)	`PreferredStockParOrStatedValuePerShare`	$0.10	USD	Point-in-time
Preferred stock, par value (in USD per share)	`PreferredStockParOrStatedValuePerShare`	$0.10	USD	Point-in-time
Preferred stock, par value (in USD per share)	`PreferredStockParOrStatedValuePerShare`	$0.10	USD	Point-in-time
Preferred stock, par value (in USD per share)	`PreferredStockParOrStatedValuePerShare`	$0.10	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$277.60M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$277.60M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$299.76M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$299.76M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$437.08M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$437.08M	USD	Point-in-time
Preferred stock, shares authorized (in shares)	`PreferredStockSharesAuthorized`	14.40M	shares	Point-in-time
Preferred stock, shares authorized (in shares)	`PreferredStockSharesAuthorized`	14.40M	shares	Point-in-time
Preferred stock, shares authorized (in shares)	`PreferredStockSharesAuthorized`	14.40M	shares	Point-in-time
Preferred stock, shares authorized (in shares)	`PreferredStockSharesAuthorized`	14.40M	shares	Point-in-time
Preferred stock, shares issued (in shares)	`PreferredStockSharesIssued`	0.00	shares	Point-in-time
Preferred stock, shares issued (in shares)	`PreferredStockSharesIssued`	0.00	shares	Point-in-time
Short-term investments	`ShortTermInvestments`	$460.58M	USD	Point-in-time
Short-term investments	`ShortTermInvestments`	$460.58M	USD	Point-in-time
Preferred stock, shares issued (in shares)	`PreferredStockSharesIssued`	0.00	shares	Point-in-time
Preferred stock, shares issued (in shares)	`PreferredStockSharesIssued`	0.00	shares	Point-in-time
Short-term investments	`ShortTermInvestments`	$569.28M	USD	Point-in-time
Short-term investments	`ShortTermInvestments`	$569.28M	USD	Point-in-time
Accounts receivable	`AccountsReceivableNetCurrent`	$223.64M	USD	Point-in-time
Accounts receivable	`AccountsReceivableNetCurrent`	$223.64M	USD	Point-in-time
Preferred stock, shares outstanding (in shares)	`PreferredStockSharesOutstanding`	0.00	shares	Point-in-time
Preferred stock, shares outstanding (in shares)	`PreferredStockSharesOutstanding`	0.00	shares	Point-in-time
Preferred stock, shares outstanding (in shares)	`PreferredStockSharesOutstanding`	0.00	shares	Point-in-time
Preferred stock, shares outstanding (in shares)	`PreferredStockSharesOutstanding`	0.00	shares	Point-in-time
Accounts receivable	`AccountsReceivableNetCurrent`	$117.29M	USD	Point-in-time
Accounts receivable	`AccountsReceivableNetCurrent`	$117.29M	USD	Point-in-time
Prepaid and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$43.98M	USD	Point-in-time
Prepaid and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$43.98M	USD	Point-in-time
Prepaid and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$73.14M	USD	Point-in-time
Prepaid and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$73.14M	USD	Point-in-time
Common stock, par value (in USD per share)	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common stock, par value (in USD per share)	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common stock, par value (in USD per share)	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common stock, par value (in USD per share)	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Total current assets	`AssetsCurrent`	$1.17B	USD	Point-in-time
Total current assets	`AssetsCurrent`	$1.17B	USD	Point-in-time
Common stock, shares authorized (in shares)	`CommonStockSharesAuthorized`	100.00M	shares	Point-in-time
Common stock, shares authorized (in shares)	`CommonStockSharesAuthorized`	100.00M	shares	Point-in-time
Common stock, shares authorized (in shares)	`CommonStockSharesAuthorized`	100.00M	shares	Point-in-time
Common stock, shares authorized (in shares)	`CommonStockSharesAuthorized`	100.00M	shares	Point-in-time
Total current assets	`AssetsCurrent`	$1.06B	USD	Point-in-time
Total current assets	`AssetsCurrent`	$1.06B	USD	Point-in-time
Property and equipment, net	`PropertyPlantAndEquipmentNet`	$10.86M	USD	Point-in-time
Property and equipment, net	`PropertyPlantAndEquipmentNet`	$10.86M	USD	Point-in-time
Common stock, shares issued (in shares)	`CommonStockSharesIssued`	70.00M	shares	Point-in-time
Common stock, shares issued (in shares)	`CommonStockSharesIssued`	70.00M	shares	Point-in-time
Common stock, shares issued (in shares)	`CommonStockSharesIssued`	69.51M	shares	Point-in-time
Common stock, shares issued (in shares)	`CommonStockSharesIssued`	69.51M	shares	Point-in-time
Property and equipment, net	`PropertyPlantAndEquipmentNet`	$11.57M	USD	Point-in-time
Property and equipment, net	`PropertyPlantAndEquipmentNet`	$11.57M	USD	Point-in-time
Common stock, shares outstanding (in shares)	`CommonStockSharesOutstanding`	25.13M	shares	Point-in-time
Common stock, shares outstanding (in shares)	`CommonStockSharesOutstanding`	25.13M	shares	Point-in-time
Common stock, shares outstanding (in shares)	`CommonStockSharesOutstanding`	25.58M	shares	Point-in-time
Common stock, shares outstanding (in shares)	`CommonStockSharesOutstanding`	25.58M	shares	Point-in-time
Patents, net	`FiniteLivedPatentsNet`	$302.77M	USD	Point-in-time
Patents, net	`FiniteLivedPatentsNet`	$302.77M	USD	Point-in-time
Patents, net	`FiniteLivedPatentsNet`	$313.00M	USD	Point-in-time
Patents, net	`FiniteLivedPatentsNet`	$313.00M	USD	Point-in-time
Deferred tax assets	`DeferredIncomeTaxAssetsNet`	$128.97M	USD	Point-in-time
Deferred tax assets	`DeferredIncomeTaxAssetsNet`	$128.97M	USD	Point-in-time
Treasury stock, shares of common held at cost (in shares)	`TreasuryStockCommonShares`	43.93M	shares	Point-in-time
Treasury stock, shares of common held at cost (in shares)	`TreasuryStockCommonShares`	43.93M	shares	Point-in-time
Deferred tax assets	`DeferredIncomeTaxAssetsNet`	$99.63M	USD	Point-in-time
Deferred tax assets	`DeferredIncomeTaxAssetsNet`	$99.63M	USD	Point-in-time
Treasury stock, shares of common held at cost (in shares)	`TreasuryStockCommonShares`	44.87M	shares	Point-in-time
Treasury stock, shares of common held at cost (in shares)	`TreasuryStockCommonShares`	44.87M	shares	Point-in-time
Other non-current assets, net	`OtherAssetsNoncurrent`	$165.92M	USD	Point-in-time
Other non-current assets, net	`OtherAssetsNoncurrent`	$165.92M	USD	Point-in-time
Other non-current assets, net	`OtherAssetsNoncurrent`	$149.66M	USD	Point-in-time
Other non-current assets, net	`OtherAssetsNoncurrent`	$149.66M	USD	Point-in-time
Total assets	`Assets`	$1.77B	USD	Point-in-time
Total assets	`Assets`	$1.77B	USD	Point-in-time
Total assets	`Assets`	$1.64B	USD	Point-in-time
Total assets	`Assets`	$1.64B	USD	Point-in-time
Current portion of long-term debt	`LongTermDebtCurrent`	$453.77M	USD	Point-in-time
Current portion of long-term debt	`LongTermDebtCurrent`	$453.77M	USD	Point-in-time
Current portion of long-term debt	`LongTermDebtCurrent`	$578.75M	USD	Point-in-time
Current portion of long-term debt	`LongTermDebtCurrent`	$578.75M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrentAndNoncurrent`	$8.09M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrentAndNoncurrent`	$8.09M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrentAndNoncurrent`	$7.85M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrentAndNoncurrent`	$7.85M	USD	Point-in-time
Accrued compensation and related expenses	`EmployeeRelatedLiabilitiesCurrent`	$29.76M	USD	Point-in-time
Accrued compensation and related expenses	`EmployeeRelatedLiabilitiesCurrent`	$29.76M	USD	Point-in-time
Accrued compensation and related expenses	`EmployeeRelatedLiabilitiesCurrent`	$32.66M	USD	Point-in-time
Accrued compensation and related expenses	`EmployeeRelatedLiabilitiesCurrent`	$32.66M	USD	Point-in-time
Deferred revenue	`ContractWithCustomerLiabilityCurrent`	$156.79M	USD	Point-in-time
Deferred revenue	`ContractWithCustomerLiabilityCurrent`	$156.79M	USD	Point-in-time
Deferred revenue	`ContractWithCustomerLiabilityCurrent`	$153.60M	USD	Point-in-time
Deferred revenue	`ContractWithCustomerLiabilityCurrent`	$153.60M	USD	Point-in-time
Dividends payable	`DividendsPayableCurrent`	$10.05M	USD	Point-in-time
Dividends payable	`DividendsPayableCurrent`	$10.05M	USD	Point-in-time
Dividends payable	`DividendsPayableCurrent`	$9.27M	USD	Point-in-time
Dividends payable	`DividendsPayableCurrent`	$9.27M	USD	Point-in-time
Dividends payable	`DividendsPayableCurrent`	$10.23M	USD	Point-in-time
Dividends payable	`DividendsPayableCurrent`	$10.23M	USD	Point-in-time
Other accrued expenses	`AccruedLiabilitiesCurrent`	$98.04M	USD	Point-in-time
Other accrued expenses	`AccruedLiabilitiesCurrent`	$98.04M	USD	Point-in-time
Other accrued expenses	`AccruedLiabilitiesCurrent`	$40.89M	USD	Point-in-time
Other accrued expenses	`AccruedLiabilitiesCurrent`	$40.89M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$699.35M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$699.35M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$881.13M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$881.13M	USD	Point-in-time
Long-term debt	`LongTermDebtNoncurrent`	$17.69M	USD	Point-in-time
Long-term debt	`LongTermDebtNoncurrent`	$17.69M	USD	Point-in-time
Long-term debt	`LongTermDebtNoncurrent`	$29.02M	USD	Point-in-time
Long-term debt	`LongTermDebtNoncurrent`	$29.02M	USD	Point-in-time
Long-term deferred revenue	`ContractWithCustomerLiabilityNoncurrent`	$166.26M	USD	Point-in-time
Long-term deferred revenue	`ContractWithCustomerLiabilityNoncurrent`	$166.26M	USD	Point-in-time
Long-term deferred revenue	`ContractWithCustomerLiabilityNoncurrent`	$223.87M	USD	Point-in-time
Long-term deferred revenue	`ContractWithCustomerLiabilityNoncurrent`	$223.87M	USD	Point-in-time
Other long-term liabilities	`OtherLiabilitiesNoncurrent`	$56.22M	USD	Point-in-time
Other long-term liabilities	`OtherLiabilitiesNoncurrent`	$56.22M	USD	Point-in-time
Other long-term liabilities	`OtherLiabilitiesNoncurrent`	$55.25M	USD	Point-in-time
Other long-term liabilities	`OtherLiabilitiesNoncurrent`	$55.25M	USD	Point-in-time
Total liabilities	`Liabilities`	$1.19B	USD	Point-in-time
Total liabilities	`Liabilities`	$1.19B	USD	Point-in-time
Total liabilities	`Liabilities`	$939.52M	USD	Point-in-time
Total liabilities	`Liabilities`	$939.52M	USD	Point-in-time
Commitments and contingencies	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and contingencies	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and contingencies	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and contingencies	`CommitmentsAndContingencies`	-	USD	Point-in-time
Preferred Stock, $0.10 par value, 14,399 shares authorized, 0 shares issued and outstanding	`PreferredStockValue`	-	USD	Point-in-time
Preferred Stock, $0.10 par value, 14,399 shares authorized, 0 shares issued and outstanding	`PreferredStockValue`	-	USD	Point-in-time
Preferred Stock, $0.10 par value, 14,399 shares authorized, 0 shares issued and outstanding	`PreferredStockValue`	-	USD	Point-in-time
Preferred Stock, $0.10 par value, 14,399 shares authorized, 0 shares issued and outstanding	`PreferredStockValue`	-	USD	Point-in-time
Common Stock, $0.01 par value, 100,000 shares authorized, 70,001 and 69,507 shares issued and 25,129 and 25,580 shares outstanding	`CommonStockValue`	$694.00K	USD	Point-in-time
Common Stock, $0.01 par value, 100,000 shares authorized, 70,001 and 69,507 shares issued and 25,129 and 25,580 shares outstanding	`CommonStockValue`	$694.00K	USD	Point-in-time
Common Stock, $0.01 par value, 100,000 shares authorized, 70,001 and 69,507 shares issued and 25,129 and 25,580 shares outstanding	`CommonStockValue`	$699.00K	USD	Point-in-time
Common Stock, $0.01 par value, 100,000 shares authorized, 70,001 and 69,507 shares issued and 25,129 and 25,580 shares outstanding	`CommonStockValue`	$699.00K	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapital`	$789.71M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapital`	$789.71M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapital`	$742.98M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapital`	$742.98M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$1.63B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$1.63B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$1.46B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$1.46B	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-1.23M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-1.23M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-647.00K	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-647.00K	USD	Point-in-time
Treasury stock, 44,872 and 43,927 shares of common stock held at cost	`TreasuryStockCommonValue`	$1.72B	USD	Point-in-time
Treasury stock, 44,872 and 43,927 shares of common stock held at cost	`TreasuryStockCommonValue`	$1.72B	USD	Point-in-time
Treasury stock, 44,872 and 43,927 shares of common stock held at cost	`TreasuryStockCommonValue`	$1.62B	USD	Point-in-time
Treasury stock, 44,872 and 43,927 shares of common stock held at cost	`TreasuryStockCommonValue`	$1.62B	USD	Point-in-time
Total shareholders' equity	`StockholdersEquity`	$581.55M	USD	Point-in-time
Total shareholders' equity	`StockholdersEquity`	$581.55M	USD	Point-in-time
Total shareholders' equity	`StockholdersEquity`	$696.78M	USD	Point-in-time
Total shareholders' equity	`StockholdersEquity`	$696.78M	USD	Point-in-time
Total liabilities and shareholders' equity	`LiabilitiesAndStockholdersEquity`	$1.64B	USD	Point-in-time
Total liabilities and shareholders' equity	`LiabilitiesAndStockholdersEquity`	$1.64B	USD	Point-in-time
Total liabilities and shareholders' equity	`LiabilitiesAndStockholdersEquity`	$1.77B	USD	Point-in-time
Total liabilities and shareholders' equity	`LiabilitiesAndStockholdersEquity`	$1.77B	USD	Point-in-time

Income Statement 154 line items

Line Item	Tag	Value	Unit	Period
Revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$303.96M	USD	2 Qtrs
Revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$303.96M	USD	2 Qtrs
Revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$101.59M	USD	1 Quarter
Revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$101.59M	USD	1 Quarter
Revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$487.04M	USD	2 Qtrs
Revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$487.04M	USD	2 Qtrs
Revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$223.49M	USD	1 Quarter
Revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$223.49M	USD	1 Quarter
Research and portfolio development	`ResearchAndPortfolioDevelopmentExpense`	$99.52M	USD	2 Qtrs
Research and portfolio development	`ResearchAndPortfolioDevelopmentExpense`	$99.52M	USD	2 Qtrs
Research and portfolio development	`ResearchAndPortfolioDevelopmentExpense`	$99.31M	USD	2 Qtrs
Research and portfolio development	`ResearchAndPortfolioDevelopmentExpense`	$99.31M	USD	2 Qtrs
Research and portfolio development	`ResearchAndPortfolioDevelopmentExpense`	$50.15M	USD	1 Quarter
Research and portfolio development	`ResearchAndPortfolioDevelopmentExpense`	$50.15M	USD	1 Quarter
Research and portfolio development	`ResearchAndPortfolioDevelopmentExpense`	$49.88M	USD	1 Quarter
Research and portfolio development	`ResearchAndPortfolioDevelopmentExpense`	$49.88M	USD	1 Quarter
Licensing	`LicensingCosts`	$121.75M	USD	2 Qtrs
Licensing	`LicensingCosts`	$121.75M	USD	2 Qtrs
Licensing	`LicensingCosts`	$25.16M	USD	1 Quarter
Licensing	`LicensingCosts`	$25.16M	USD	1 Quarter
Licensing	`LicensingCosts`	$16.64M	USD	1 Quarter
Licensing	`LicensingCosts`	$16.64M	USD	1 Quarter
Licensing	`LicensingCosts`	$38.01M	USD	2 Qtrs
Licensing	`LicensingCosts`	$38.01M	USD	2 Qtrs
General and administrative	`GeneralAndAdministrativeExpense`	$14.29M	USD	1 Quarter
General and administrative	`GeneralAndAdministrativeExpense`	$14.29M	USD	1 Quarter
General and administrative	`GeneralAndAdministrativeExpense`	$11.69M	USD	1 Quarter
General and administrative	`GeneralAndAdministrativeExpense`	$11.69M	USD	1 Quarter
General and administrative	`GeneralAndAdministrativeExpense`	$24.01M	USD	2 Qtrs
General and administrative	`GeneralAndAdministrativeExpense`	$24.01M	USD	2 Qtrs
General and administrative	`GeneralAndAdministrativeExpense`	$28.13M	USD	2 Qtrs
General and administrative	`GeneralAndAdministrativeExpense`	$28.13M	USD	2 Qtrs
Total operating expenses	`CostsAndExpenses`	$89.59M	USD	1 Quarter
Total operating expenses	`CostsAndExpenses`	$89.59M	USD	1 Quarter
Total operating expenses	`CostsAndExpenses`	$161.33M	USD	2 Qtrs
Total operating expenses	`CostsAndExpenses`	$161.33M	USD	2 Qtrs
Total operating expenses	`CostsAndExpenses`	$249.39M	USD	2 Qtrs
Total operating expenses	`CostsAndExpenses`	$249.39M	USD	2 Qtrs
Total operating expenses	`CostsAndExpenses`	$78.22M	USD	1 Quarter
Total operating expenses	`CostsAndExpenses`	$78.22M	USD	1 Quarter
Income from operations	`OperatingIncomeLoss`	$133.91M	USD	1 Quarter
Income from operations	`OperatingIncomeLoss`	$133.91M	USD	1 Quarter
Income from operations	`OperatingIncomeLoss`	$237.64M	USD	2 Qtrs
Income from operations	`OperatingIncomeLoss`	$237.64M	USD	2 Qtrs
Income from operations	`OperatingIncomeLoss`	$23.38M	USD	1 Quarter
Income from operations	`OperatingIncomeLoss`	$23.38M	USD	1 Quarter
Income from operations	`OperatingIncomeLoss`	$142.64M	USD	2 Qtrs
Income from operations	`OperatingIncomeLoss`	$142.64M	USD	2 Qtrs
Interest expense	`InterestExpenseNonoperating`	$23.41M	USD	2 Qtrs
Interest expense	`InterestExpenseNonoperating`	$23.41M	USD	2 Qtrs
Interest expense	`InterestExpenseNonoperating`	$11.48M	USD	1 Quarter
Interest expense	`InterestExpenseNonoperating`	$11.48M	USD	1 Quarter
Interest expense	`InterestExpenseNonoperating`	$24.23M	USD	2 Qtrs
Interest expense	`InterestExpenseNonoperating`	$24.23M	USD	2 Qtrs
Interest expense	`InterestExpenseNonoperating`	$12.14M	USD	1 Quarter
Interest expense	`InterestExpenseNonoperating`	$12.14M	USD	1 Quarter
Other income, net	`OtherNonoperatingIncomeExpense`	$11.68M	USD	1 Quarter
Other income, net	`OtherNonoperatingIncomeExpense`	$11.68M	USD	1 Quarter
Other income, net	`OtherNonoperatingIncomeExpense`	$20.93M	USD	2 Qtrs
Other income, net	`OtherNonoperatingIncomeExpense`	$20.93M	USD	2 Qtrs
Other income, net	`OtherNonoperatingIncomeExpense`	$14.39M	USD	1 Quarter
Other income, net	`OtherNonoperatingIncomeExpense`	$14.39M	USD	1 Quarter
Other income, net	`OtherNonoperatingIncomeExpense`	$27.58M	USD	2 Qtrs
Other income, net	`OtherNonoperatingIncomeExpense`	$27.58M	USD	2 Qtrs
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$134.10M	USD	1 Quarter
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$134.10M	USD	1 Quarter
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$235.17M	USD	2 Qtrs
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$235.17M	USD	2 Qtrs
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$25.62M	USD	1 Quarter
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$25.62M	USD	1 Quarter
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$145.99M	USD	2 Qtrs
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$145.99M	USD	2 Qtrs
Income tax provision	`IncomeTaxExpenseBenefit`	$4.33M	USD	1 Quarter
Income tax provision	`IncomeTaxExpenseBenefit`	$4.33M	USD	1 Quarter
Income tax provision	`IncomeTaxExpenseBenefit`	$24.44M	USD	1 Quarter
Income tax provision	`IncomeTaxExpenseBenefit`	$24.44M	USD	1 Quarter
Income tax provision	`IncomeTaxExpenseBenefit`	$21.17M	USD	2 Qtrs
Income tax provision	`IncomeTaxExpenseBenefit`	$21.17M	USD	2 Qtrs
Income tax provision	`IncomeTaxExpenseBenefit`	$43.85M	USD	2 Qtrs
Income tax provision	`IncomeTaxExpenseBenefit`	$43.85M	USD	2 Qtrs
Net income	`ProfitLoss`	$191.32M	USD	2 Qtrs
Net income	`ProfitLoss`	$191.32M	USD	2 Qtrs
Net income	`ProfitLoss`	$124.81M	USD	2 Qtrs
Net income	`ProfitLoss`	$124.81M	USD	2 Qtrs
Net income	`ProfitLoss`	$21.29M	USD	1 Quarter
Net income	`ProfitLoss`	$21.29M	USD	1 Quarter
Net income	`ProfitLoss`	$109.66M	USD	1 Quarter
Net income	`ProfitLoss`	$109.66M	USD	1 Quarter
Net loss attributable to noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$-2.23M	USD	2 Qtrs
Net loss attributable to noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$-2.23M	USD	2 Qtrs
Net loss attributable to noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$-1.74M	USD	1 Quarter
Net loss attributable to noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$-1.74M	USD	1 Quarter
Net loss attributable to noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	-	USD	1 Quarter
Net loss attributable to noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	-	USD	1 Quarter
Net loss attributable to noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$-490.00K	USD	1 Quarter
Net loss attributable to noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$-490.00K	USD	1 Quarter
Net loss attributable to noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	-	USD	2 Qtrs
Net loss attributable to noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	-	USD	2 Qtrs
Net income attributable to InterDigital, Inc.	`NetIncomeLoss`	$127.04M	USD	2 Qtrs
Net income attributable to InterDigital, Inc.	`NetIncomeLoss`	$127.04M	USD	2 Qtrs
Net income attributable to InterDigital, Inc.	`NetIncomeLoss`	$105.26M	USD	1 Quarter
Net income attributable to InterDigital, Inc.	`NetIncomeLoss`	$105.26M	USD	1 Quarter
Net income attributable to InterDigital, Inc.	`NetIncomeLoss`	$191.32M	USD	2 Qtrs
Net income attributable to InterDigital, Inc.	`NetIncomeLoss`	$191.32M	USD	2 Qtrs
Net income attributable to InterDigital, Inc.	`NetIncomeLoss`	$21.78M	USD	1 Quarter
Net income attributable to InterDigital, Inc.	`NetIncomeLoss`	$21.78M	USD	1 Quarter
Net income attributable to InterDigital, Inc.	`NetIncomeLoss`	$109.66M	USD	1 Quarter
Net income attributable to InterDigital, Inc.	`NetIncomeLoss`	$109.66M	USD	1 Quarter
Net income attributable to InterDigital, Inc.	`NetIncomeLoss`	$81.65M	USD	1 Quarter
Net income attributable to InterDigital, Inc.	`NetIncomeLoss`	$81.65M	USD	1 Quarter
Net income per common share Basic (in USD per share)	`EarningsPerShareBasic`	$4.58	USD	2 Qtrs
Net income per common share Basic (in USD per share)	`EarningsPerShareBasic`	$4.58	USD	2 Qtrs
Net income per common share Basic (in USD per share)	`EarningsPerShareBasic`	$4.35	USD	1 Quarter
Net income per common share Basic (in USD per share)	`EarningsPerShareBasic`	$4.35	USD	1 Quarter
Net income per common share Basic (in USD per share)	`EarningsPerShareBasic`	$0.81	USD	1 Quarter
Net income per common share Basic (in USD per share)	`EarningsPerShareBasic`	$0.81	USD	1 Quarter
Net income per common share Basic (in USD per share)	`EarningsPerShareBasic`	$7.54	USD	2 Qtrs
Net income per common share Basic (in USD per share)	`EarningsPerShareBasic`	$7.54	USD	2 Qtrs
Weighted average number of common shares outstanding Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	25.21M	shares	1 Quarter
Weighted average number of common shares outstanding Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	25.21M	shares	1 Quarter
Weighted average number of common shares outstanding Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	27.75M	shares	2 Qtrs
Weighted average number of common shares outstanding Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	27.75M	shares	2 Qtrs
Weighted average number of common shares outstanding Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	25.36M	shares	2 Qtrs
Weighted average number of common shares outstanding Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	25.36M	shares	2 Qtrs
Weighted average number of common shares outstanding Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	26.77M	shares	1 Quarter
Weighted average number of common shares outstanding Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	26.77M	shares	1 Quarter
Net income per common share Diluted (in USD per share)	`EarningsPerShareDiluted`	$3.93	USD	1 Quarter
Net income per common share Diluted (in USD per share)	`EarningsPerShareDiluted`	$3.93	USD	1 Quarter
Net income per common share Diluted (in USD per share)	`EarningsPerShareDiluted`	$4.46	USD	2 Qtrs
Net income per common share Diluted (in USD per share)	`EarningsPerShareDiluted`	$4.46	USD	2 Qtrs
Net income per common share Diluted (in USD per share)	`EarningsPerShareDiluted`	$0.79	USD	1 Quarter
Net income per common share Diluted (in USD per share)	`EarningsPerShareDiluted`	$0.79	USD	1 Quarter
Net income per common share Diluted (in USD per share)	`EarningsPerShareDiluted`	$6.80	USD	2 Qtrs
Net income per common share Diluted (in USD per share)	`EarningsPerShareDiluted`	$6.80	USD	2 Qtrs
Weighted average number of common shares outstanding Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	28.49M	shares	2 Qtrs
Weighted average number of common shares outstanding Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	28.49M	shares	2 Qtrs
Weighted average number of common shares outstanding Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	27.66M	shares	1 Quarter
Weighted average number of common shares outstanding Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	27.66M	shares	1 Quarter
Weighted average number of common shares outstanding Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	28.12M	shares	2 Qtrs
Weighted average number of common shares outstanding Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	28.12M	shares	2 Qtrs
Weighted average number of common shares outstanding Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	27.91M	shares	1 Quarter
Weighted average number of common shares outstanding Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	27.91M	shares	1 Quarter
Cash dividends declared per common share (in USD per share)	`CommonStockDividendsPerShareDeclared`	$0.40	USD	1 Quarter
Cash dividends declared per common share (in USD per share)	`CommonStockDividendsPerShareDeclared`	$0.40	USD	1 Quarter
Cash dividends declared per common share (in USD per share)	`CommonStockDividendsPerShareDeclared`	$0.80	USD	2 Qtrs
Cash dividends declared per common share (in USD per share)	`CommonStockDividendsPerShareDeclared`	$0.80	USD	2 Qtrs
Cash dividends declared per common share (in USD per share)	`CommonStockDividendsPerShareDeclared`	$0.70	USD	2 Qtrs
Cash dividends declared per common share (in USD per share)	`CommonStockDividendsPerShareDeclared`	$0.70	USD	2 Qtrs
Cash dividends declared per common share (in USD per share)	`CommonStockDividendsPerShareDeclared`	$0.40	USD	1 Quarter
Cash dividends declared per common share (in USD per share)	`CommonStockDividendsPerShareDeclared`	$0.40	USD	1 Quarter
Cash dividends declared per common share (in USD per share)	`CommonStockDividendsPerShareDeclared`	$0.35	USD	1 Quarter
Cash dividends declared per common share (in USD per share)	`CommonStockDividendsPerShareDeclared`	$0.35	USD	1 Quarter
Cash dividends declared per common share (in USD per share)	`CommonStockDividendsPerShareDeclared`	$0.35	USD	1 Quarter
Cash dividends declared per common share (in USD per share)	`CommonStockDividendsPerShareDeclared`	$0.35	USD	1 Quarter

Cash Flow Statement 136 line items

Line Item	Tag	Value	Unit	Period
Net income	`ProfitLoss`	$191.32M	USD	2 Qtrs
Net income	`ProfitLoss`	$191.32M	USD	2 Qtrs
Net income	`ProfitLoss`	$124.81M	USD	2 Qtrs
Net income	`ProfitLoss`	$124.81M	USD	2 Qtrs
Net income	`ProfitLoss`	$21.29M	USD	1 Quarter
Net income	`ProfitLoss`	$21.29M	USD	1 Quarter
Net income	`ProfitLoss`	$109.66M	USD	1 Quarter
Net income	`ProfitLoss`	$109.66M	USD	1 Quarter
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$39.17M	USD	2 Qtrs
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$39.17M	USD	2 Qtrs
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$34.62M	USD	2 Qtrs
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$34.62M	USD	2 Qtrs
Non-cash interest income, net	`NonCashInterestIncomeExpenseNet`	$-6.43M	USD	2 Qtrs
Non-cash interest income, net	`NonCashInterestIncomeExpenseNet`	$-6.43M	USD	2 Qtrs
Non-cash interest income, net	`NonCashInterestIncomeExpenseNet`	$-6.33M	USD	2 Qtrs
Non-cash interest income, net	`NonCashInterestIncomeExpenseNet`	$-6.33M	USD	2 Qtrs
Non-cash change in investments	`NonCashChangeInInvestments`	$-3.26M	USD	2 Qtrs
Non-cash change in investments	`NonCashChangeInInvestments`	$-3.26M	USD	2 Qtrs
Non-cash change in investments	`NonCashChangeInInvestments`	$-150.00K	USD	2 Qtrs
Non-cash change in investments	`NonCashChangeInInvestments`	$-150.00K	USD	2 Qtrs
Change in deferred revenue	`IncreaseDecreaseInDeferredRevenue`	$-54.41M	USD	2 Qtrs
Change in deferred revenue	`IncreaseDecreaseInDeferredRevenue`	$-54.41M	USD	2 Qtrs
Change in deferred revenue	`IncreaseDecreaseInDeferredRevenue`	$-81.41M	USD	2 Qtrs
Change in deferred revenue	`IncreaseDecreaseInDeferredRevenue`	$-81.41M	USD	2 Qtrs
Deferred income taxes	`IncreaseDecreaseInDeferredIncomeTaxes`	$-29.50M	USD	2 Qtrs
Deferred income taxes	`IncreaseDecreaseInDeferredIncomeTaxes`	$-29.50M	USD	2 Qtrs
Deferred income taxes	`IncreaseDecreaseInDeferredIncomeTaxes`	$-430.00K	USD	2 Qtrs
Deferred income taxes	`IncreaseDecreaseInDeferredIncomeTaxes`	$-430.00K	USD	2 Qtrs
Share-based compensation	`ShareBasedCompensation`	$19.04M	USD	2 Qtrs
Share-based compensation	`ShareBasedCompensation`	$19.04M	USD	2 Qtrs
Share-based compensation	`ShareBasedCompensation`	$16.53M	USD	2 Qtrs
Share-based compensation	`ShareBasedCompensation`	$16.53M	USD	2 Qtrs
Other	`OtherOperatingActivitiesCashFlowStatement`	$2.58M	USD	2 Qtrs
Other	`OtherOperatingActivitiesCashFlowStatement`	$2.58M	USD	2 Qtrs
Other	`OtherOperatingActivitiesCashFlowStatement`	-	USD	2 Qtrs
Other	`OtherOperatingActivitiesCashFlowStatement`	-	USD	2 Qtrs
Receivables	`IncreaseDecreaseInReceivables`	$183.61M	USD	2 Qtrs
Receivables	`IncreaseDecreaseInReceivables`	$183.61M	USD	2 Qtrs
Receivables	`IncreaseDecreaseInReceivables`	$106.35M	USD	2 Qtrs
Receivables	`IncreaseDecreaseInReceivables`	$106.35M	USD	2 Qtrs
Deferred charges and other assets	`IncreaseDecreaseInOtherOperatingAssets`	$51.82M	USD	2 Qtrs
Deferred charges and other assets	`IncreaseDecreaseInOtherOperatingAssets`	$51.82M	USD	2 Qtrs
Deferred charges and other assets	`IncreaseDecreaseInOtherOperatingAssets`	$41.15M	USD	2 Qtrs
Deferred charges and other assets	`IncreaseDecreaseInOtherOperatingAssets`	$41.15M	USD	2 Qtrs
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-611.00K	USD	2 Qtrs
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-611.00K	USD	2 Qtrs
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-955.00K	USD	2 Qtrs
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-955.00K	USD	2 Qtrs
Customer deposit	`IncreaseDecreaseInContractWithCustomerLiability`	$76.10M	USD	2 Qtrs
Customer deposit	`IncreaseDecreaseInContractWithCustomerLiability`	$76.10M	USD	2 Qtrs
Customer deposit	`IncreaseDecreaseInContractWithCustomerLiability`	$-63.10M	USD	2 Qtrs
Customer deposit	`IncreaseDecreaseInContractWithCustomerLiability`	$-63.10M	USD	2 Qtrs
Accrued compensation and other expenses	`IncreaseDecreaseInOtherAccruedLiabilities`	$-5.54M	USD	2 Qtrs
Accrued compensation and other expenses	`IncreaseDecreaseInOtherAccruedLiabilities`	$-5.54M	USD	2 Qtrs
Accrued compensation and other expenses	`IncreaseDecreaseInOtherAccruedLiabilities`	$-408.00K	USD	2 Qtrs
Accrued compensation and other expenses	`IncreaseDecreaseInOtherAccruedLiabilities`	$-408.00K	USD	2 Qtrs
Net cash provided by (used in) operating activities	`NetCashProvidedByUsedInOperatingActivities`	$1.86M	USD	2 Qtrs
Net cash provided by (used in) operating activities	`NetCashProvidedByUsedInOperatingActivities`	$1.86M	USD	2 Qtrs
Net cash provided by (used in) operating activities	`NetCashProvidedByUsedInOperatingActivities`	$-73.29M	USD	2 Qtrs
Net cash provided by (used in) operating activities	`NetCashProvidedByUsedInOperatingActivities`	$-73.29M	USD	2 Qtrs
Purchases of short-term investments	`PaymentsToAcquireShortTermInvestments`	$297.09M	USD	2 Qtrs
Purchases of short-term investments	`PaymentsToAcquireShortTermInvestments`	$297.09M	USD	2 Qtrs
Purchases of short-term investments	`PaymentsToAcquireShortTermInvestments`	$531.56M	USD	2 Qtrs
Purchases of short-term investments	`PaymentsToAcquireShortTermInvestments`	$531.56M	USD	2 Qtrs
Sales of short-term investments	`ProceedsFromSaleOfShortTermInvestments`	$415.99M	USD	2 Qtrs
Sales of short-term investments	`ProceedsFromSaleOfShortTermInvestments`	$415.99M	USD	2 Qtrs
Sales of short-term investments	`ProceedsFromSaleOfShortTermInvestments`	$485.53M	USD	2 Qtrs
Sales of short-term investments	`ProceedsFromSaleOfShortTermInvestments`	$485.53M	USD	2 Qtrs
Purchases of property and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$1.00M	USD	2 Qtrs
Purchases of property and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$1.00M	USD	2 Qtrs
Purchases of property and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$2.60M	USD	2 Qtrs
Purchases of property and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$2.60M	USD	2 Qtrs
Capitalized patent costs	`CapitalizedPatentCosts`	$21.59M	USD	2 Qtrs
Capitalized patent costs	`CapitalizedPatentCosts`	$21.59M	USD	2 Qtrs
Capitalized patent costs	`CapitalizedPatentCosts`	$18.91M	USD	2 Qtrs
Capitalized patent costs	`CapitalizedPatentCosts`	$18.91M	USD	2 Qtrs
Long-term investments	`PaymentsForProceedsFromLongtermInvestments`	$-1.19M	USD	2 Qtrs
Long-term investments	`PaymentsForProceedsFromLongtermInvestments`	$-1.19M	USD	2 Qtrs
Long-term investments	`PaymentsForProceedsFromLongtermInvestments`	-	USD	2 Qtrs
Long-term investments	`PaymentsForProceedsFromLongtermInvestments`	-	USD	2 Qtrs
Net cash provided by (used in) investing activities	`NetCashProvidedByUsedInInvestingActivities`	$97.50M	USD	2 Qtrs
Net cash provided by (used in) investing activities	`NetCashProvidedByUsedInInvestingActivities`	$97.50M	USD	2 Qtrs
Net cash provided by (used in) investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-67.55M	USD	2 Qtrs
Net cash provided by (used in) investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-67.55M	USD	2 Qtrs
Payments on long-term debt	`RepaymentsOfLongTermDebt`	-	USD	2 Qtrs
Payments on long-term debt	`RepaymentsOfLongTermDebt`	-	USD	2 Qtrs
Payments on long-term debt	`RepaymentsOfLongTermDebt`	$139.07M	USD	2 Qtrs
Payments on long-term debt	`RepaymentsOfLongTermDebt`	$139.07M	USD	2 Qtrs
Payments of debt issuance costs	`PaymentsOfDebtIssuanceCosts`	-	USD	2 Qtrs
Payments of debt issuance costs	`PaymentsOfDebtIssuanceCosts`	-	USD	2 Qtrs
Payments of debt issuance costs	`PaymentsOfDebtIssuanceCosts`	$100.00K	USD	2 Qtrs
Payments of debt issuance costs	`PaymentsOfDebtIssuanceCosts`	$100.00K	USD	2 Qtrs
Repurchase of common stock	`PaymentsForRepurchaseOfCommonStock`	$63.67M	USD	2 Qtrs
Repurchase of common stock	`PaymentsForRepurchaseOfCommonStock`	$63.67M	USD	2 Qtrs
Repurchase of common stock	`PaymentsForRepurchaseOfCommonStock`	$245.87M	USD	2 Qtrs
Repurchase of common stock	`PaymentsForRepurchaseOfCommonStock`	$245.87M	USD	2 Qtrs
Net proceeds from exercise of stock options	`ProceedsFromStockOptionsExercised`	$699.00K	USD	2 Qtrs
Net proceeds from exercise of stock options	`ProceedsFromStockOptionsExercised`	$699.00K	USD	2 Qtrs
Net proceeds from exercise of stock options	`ProceedsFromStockOptionsExercised`	-	USD	2 Qtrs
Net proceeds from exercise of stock options	`ProceedsFromStockOptionsExercised`	-	USD	2 Qtrs
Non-controlling interest contribution	`ProceedsFromMinorityShareholders`	$1.75M	USD	2 Qtrs
Non-controlling interest contribution	`ProceedsFromMinorityShareholders`	$1.75M	USD	2 Qtrs
Non-controlling interest contribution	`ProceedsFromMinorityShareholders`	-	USD	2 Qtrs
Non-controlling interest contribution	`ProceedsFromMinorityShareholders`	-	USD	2 Qtrs
Taxes withheld upon restricted stock unit vestings	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$8.10M	USD	2 Qtrs
Taxes withheld upon restricted stock unit vestings	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$8.10M	USD	2 Qtrs
Taxes withheld upon restricted stock unit vestings	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$10.21M	USD	2 Qtrs
Taxes withheld upon restricted stock unit vestings	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$10.21M	USD	2 Qtrs
Dividends paid	`PaymentsOfDividends`	$20.37M	USD	2 Qtrs
Dividends paid	`PaymentsOfDividends`	$20.37M	USD	2 Qtrs
Dividends paid	`PaymentsOfDividends`	$19.83M	USD	2 Qtrs
Dividends paid	`PaymentsOfDividends`	$19.83M	USD	2 Qtrs
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-233.33M	USD	2 Qtrs
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-233.33M	USD	2 Qtrs
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-271.45M	USD	2 Qtrs
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-271.45M	USD	2 Qtrs
Net decrease in cash, cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-133.97M	USD	2 Qtrs
Net decrease in cash, cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-133.97M	USD	2 Qtrs
Net decrease in cash, cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-412.29M	USD	2 Qtrs
Net decrease in cash, cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-412.29M	USD	2 Qtrs
Cash, cash equivalents and restricted cash, beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$290.87M	USD	Point-in-time
Cash, cash equivalents and restricted cash, beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$290.87M	USD	Point-in-time
Cash, cash equivalents and restricted cash, beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$309.00M	USD	Point-in-time
Cash, cash equivalents and restricted cash, beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$309.00M	USD	Point-in-time
Cash, cash equivalents and restricted cash, beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$442.96M	USD	Point-in-time
Cash, cash equivalents and restricted cash, beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$442.96M	USD	Point-in-time
Cash, cash equivalents and restricted cash, beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$703.16M	USD	Point-in-time
Cash, cash equivalents and restricted cash, beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$703.16M	USD	Point-in-time
Cash, cash equivalents and restricted cash, end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$290.87M	USD	Point-in-time
Cash, cash equivalents and restricted cash, end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$290.87M	USD	Point-in-time
Cash, cash equivalents and restricted cash, end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$309.00M	USD	Point-in-time
Cash, cash equivalents and restricted cash, end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$309.00M	USD	Point-in-time
Cash, cash equivalents and restricted cash, end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$442.96M	USD	Point-in-time
Cash, cash equivalents and restricted cash, end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$442.96M	USD	Point-in-time
Cash, cash equivalents and restricted cash, end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$703.16M	USD	Point-in-time
Cash, cash equivalents and restricted cash, end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$703.16M	USD	Point-in-time

Stockholders Equity 130 line items

Line Item	Tag	Value	Unit	Period
Dividends declared (in USD per share)	`CommonStockDividendsPerShareDeclared`	$0.40	USD	1 Quarter
Dividends declared (in USD per share)	`CommonStockDividendsPerShareDeclared`	$0.40	USD	1 Quarter
Dividends declared (in USD per share)	`CommonStockDividendsPerShareDeclared`	$0.80	USD	2 Qtrs
Dividends declared (in USD per share)	`CommonStockDividendsPerShareDeclared`	$0.80	USD	2 Qtrs
Dividends declared (in USD per share)	`CommonStockDividendsPerShareDeclared`	$0.70	USD	2 Qtrs
Dividends declared (in USD per share)	`CommonStockDividendsPerShareDeclared`	$0.70	USD	2 Qtrs
Dividends declared (in USD per share)	`CommonStockDividendsPerShareDeclared`	$0.40	USD	1 Quarter
Dividends declared (in USD per share)	`CommonStockDividendsPerShareDeclared`	$0.40	USD	1 Quarter
Dividends declared (in USD per share)	`CommonStockDividendsPerShareDeclared`	$0.35	USD	1 Quarter
Dividends declared (in USD per share)	`CommonStockDividendsPerShareDeclared`	$0.35	USD	1 Quarter
Dividends declared (in USD per share)	`CommonStockDividendsPerShareDeclared`	$0.35	USD	1 Quarter
Dividends declared (in USD per share)	`CommonStockDividendsPerShareDeclared`	$0.35	USD	1 Quarter
Beginning balance (in shares)	`CommonStockSharesOutstanding`	25.13M	shares	Point-in-time
Beginning balance (in shares)	`CommonStockSharesOutstanding`	25.13M	shares	Point-in-time
Beginning balance (in shares)	`CommonStockSharesOutstanding`	25.58M	shares	Point-in-time
Beginning balance (in shares)	`CommonStockSharesOutstanding`	25.58M	shares	Point-in-time
Beginning balance (in shares)	`TreasuryStockCommonShares`	43.93M	shares	Point-in-time
Beginning balance (in shares)	`TreasuryStockCommonShares`	43.93M	shares	Point-in-time
Beginning balance (in shares)	`TreasuryStockCommonShares`	44.87M	shares	Point-in-time
Beginning balance (in shares)	`TreasuryStockCommonShares`	44.87M	shares	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$600.36M	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$600.36M	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$730.51M	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$730.51M	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$624.29M	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$624.29M	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$625.30M	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$625.30M	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$581.55M	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$581.55M	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$696.78M	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$696.78M	USD	Point-in-time
Net income attributable to InterDigital, Inc.	`NetIncomeLoss`	$127.04M	USD	2 Qtrs
Net income attributable to InterDigital, Inc.	`NetIncomeLoss`	$127.04M	USD	2 Qtrs
Net income attributable to InterDigital, Inc.	`NetIncomeLoss`	$105.26M	USD	1 Quarter
Net income attributable to InterDigital, Inc.	`NetIncomeLoss`	$105.26M	USD	1 Quarter
Net income attributable to InterDigital, Inc.	`NetIncomeLoss`	$191.32M	USD	2 Qtrs
Net income attributable to InterDigital, Inc.	`NetIncomeLoss`	$191.32M	USD	2 Qtrs
Net income attributable to InterDigital, Inc.	`NetIncomeLoss`	$21.78M	USD	1 Quarter
Net income attributable to InterDigital, Inc.	`NetIncomeLoss`	$21.78M	USD	1 Quarter
Net income attributable to InterDigital, Inc.	`NetIncomeLoss`	$109.66M	USD	1 Quarter
Net income attributable to InterDigital, Inc.	`NetIncomeLoss`	$109.66M	USD	1 Quarter
Net income attributable to InterDigital, Inc.	`NetIncomeLoss`	$81.65M	USD	1 Quarter
Net income attributable to InterDigital, Inc.	`NetIncomeLoss`	$81.65M	USD	1 Quarter
Net loss attributable to noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$-2.23M	USD	2 Qtrs
Net loss attributable to noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$-2.23M	USD	2 Qtrs
Net loss attributable to noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$-1.74M	USD	1 Quarter
Net loss attributable to noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$-1.74M	USD	1 Quarter
Net loss attributable to noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	-	USD	1 Quarter
Net loss attributable to noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	-	USD	1 Quarter
Net loss attributable to noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$-490.00K	USD	1 Quarter
Net loss attributable to noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$-490.00K	USD	1 Quarter
Net loss attributable to noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	-	USD	2 Qtrs
Net loss attributable to noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	-	USD	2 Qtrs
Noncontrolling interest contributions	`NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance`	$1.75M	USD	1 Quarter
Noncontrolling interest contributions	`NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance`	$1.75M	USD	1 Quarter
Net change in unrealized loss on short-term investments	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$579.00K	USD	1 Quarter
Net change in unrealized loss on short-term investments	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$579.00K	USD	1 Quarter
Net change in unrealized loss on short-term investments	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$-495.00K	USD	1 Quarter
Net change in unrealized loss on short-term investments	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$-495.00K	USD	1 Quarter
Net change in unrealized loss on short-term investments	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$-1.84M	USD	1 Quarter
Net change in unrealized loss on short-term investments	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$-1.84M	USD	1 Quarter
Net change in unrealized loss on short-term investments	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$-1.26M	USD	2 Qtrs
Net change in unrealized loss on short-term investments	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$-1.26M	USD	2 Qtrs
Net change in unrealized loss on short-term investments	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$-90.00K	USD	1 Quarter
Net change in unrealized loss on short-term investments	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$-90.00K	USD	1 Quarter
Net change in unrealized loss on short-term investments	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$-585.00K	USD	2 Qtrs
Net change in unrealized loss on short-term investments	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$-585.00K	USD	2 Qtrs
Dividends declared	`Dividends`	$10.15M	USD	1 Quarter
Dividends declared	`Dividends`	$10.15M	USD	1 Quarter
Dividends declared	`Dividends`	$9.27M	USD	1 Quarter
Dividends declared	`Dividends`	$9.27M	USD	1 Quarter
Dividends declared	`Dividends`	$10.05M	USD	1 Quarter
Dividends declared	`Dividends`	$10.05M	USD	1 Quarter
Dividends declared	`Dividends`	$9.45M	USD	1 Quarter
Dividends declared	`Dividends`	$9.45M	USD	1 Quarter
Exercise of common stock options	`StockIssuedDuringPeriodValueStockOptionsExercised`	$12.00K	USD	1 Quarter
Exercise of common stock options	`StockIssuedDuringPeriodValueStockOptionsExercised`	$12.00K	USD	1 Quarter
Exercise of common stock options	`StockIssuedDuringPeriodValueStockOptionsExercised`	$687.00K	USD	1 Quarter
Exercise of common stock options	`StockIssuedDuringPeriodValueStockOptionsExercised`	$687.00K	USD	1 Quarter
Issuance of common stock, net	`StockIssuedDuringPeriodValueNewIssues`	$-1.58M	USD	1 Quarter
Issuance of common stock, net	`StockIssuedDuringPeriodValueNewIssues`	$-1.58M	USD	1 Quarter
Issuance of common stock, net	`StockIssuedDuringPeriodValueNewIssues`	$-6.71M	USD	1 Quarter
Issuance of common stock, net	`StockIssuedDuringPeriodValueNewIssues`	$-6.71M	USD	1 Quarter
Issuance of common stock, net	`StockIssuedDuringPeriodValueNewIssues`	$-8.63M	USD	1 Quarter
Issuance of common stock, net	`StockIssuedDuringPeriodValueNewIssues`	$-8.63M	USD	1 Quarter
Issuance of common stock, net	`StockIssuedDuringPeriodValueNewIssues`	$-1.39M	USD	1 Quarter
Issuance of common stock, net	`StockIssuedDuringPeriodValueNewIssues`	$-1.39M	USD	1 Quarter
Share-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$9.39M	USD	1 Quarter
Share-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$9.39M	USD	1 Quarter
Share-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$8.74M	USD	1 Quarter
Share-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$8.74M	USD	1 Quarter
Share-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$7.79M	USD	1 Quarter
Share-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$7.79M	USD	1 Quarter
Share-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$9.65M	USD	1 Quarter
Share-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$9.65M	USD	1 Quarter
Repurchase of common stock	`TreasuryStockValueAcquiredCostMethod`	$42.49M	USD	1 Quarter
Repurchase of common stock	`TreasuryStockValueAcquiredCostMethod`	$42.49M	USD	1 Quarter
Repurchase of common stock	`TreasuryStockValueAcquiredCostMethod`	$203.38M	USD	1 Quarter
Repurchase of common stock	`TreasuryStockValueAcquiredCostMethod`	$203.38M	USD	1 Quarter
Repurchase of common stock	`TreasuryStockValueAcquiredCostMethod`	$29.02M	USD	1 Quarter
Repurchase of common stock	`TreasuryStockValueAcquiredCostMethod`	$29.02M	USD	1 Quarter
Repurchase of common stock	`TreasuryStockValueAcquiredCostMethod`	$35.11M	USD	1 Quarter
Repurchase of common stock	`TreasuryStockValueAcquiredCostMethod`	$35.11M	USD	1 Quarter
Settlement of the 2024 Notes (in shares)	`StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities`	300,000.00	shares	Point-in-time
Settlement of the 2024 Notes (in shares)	`StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities`	300,000.00	shares	Point-in-time
Settlement of the 2024 Notes	`StockIssuedDuringPeriodValueConversionOfConvertibleSecurities`	-	USD	1 Quarter
Settlement of the 2024 Notes	`StockIssuedDuringPeriodValueConversionOfConvertibleSecurities`	-	USD	1 Quarter
Settlement of the 2024 Hedges	`TreasuryStockValueSettlementOfDebtInstrumentHedges`	-	USD	1 Quarter
Settlement of the 2024 Hedges	`TreasuryStockValueSettlementOfDebtInstrumentHedges`	-	USD	1 Quarter
Ending balance (in shares)	`CommonStockSharesOutstanding`	25.13M	shares	Point-in-time
Ending balance (in shares)	`CommonStockSharesOutstanding`	25.13M	shares	Point-in-time
Ending balance (in shares)	`CommonStockSharesOutstanding`	25.58M	shares	Point-in-time
Ending balance (in shares)	`CommonStockSharesOutstanding`	25.58M	shares	Point-in-time
Ending balance (in shares)	`TreasuryStockCommonShares`	43.93M	shares	Point-in-time
Ending balance (in shares)	`TreasuryStockCommonShares`	43.93M	shares	Point-in-time
Ending balance (in shares)	`TreasuryStockCommonShares`	44.87M	shares	Point-in-time
Ending balance (in shares)	`TreasuryStockCommonShares`	44.87M	shares	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$600.36M	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$600.36M	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$730.51M	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$730.51M	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$624.29M	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$624.29M	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$625.30M	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$625.30M	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$581.55M	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$581.55M	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$696.78M	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$696.78M	USD	Point-in-time

Comprehensive Income 44 line items

Line Item	Tag	Value	Unit	Period
Net income	`ProfitLoss`	$191.32M	USD	2 Qtrs
Net income	`ProfitLoss`	$191.32M	USD	2 Qtrs
Net income	`ProfitLoss`	$124.81M	USD	2 Qtrs
Net income	`ProfitLoss`	$124.81M	USD	2 Qtrs
Net income	`ProfitLoss`	$21.29M	USD	1 Quarter
Net income	`ProfitLoss`	$21.29M	USD	1 Quarter
Net income	`ProfitLoss`	$109.66M	USD	1 Quarter
Net income	`ProfitLoss`	$109.66M	USD	1 Quarter
Unrealized loss on investments, net of tax	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$579.00K	USD	1 Quarter
Unrealized loss on investments, net of tax	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$579.00K	USD	1 Quarter
Unrealized loss on investments, net of tax	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$-495.00K	USD	1 Quarter
Unrealized loss on investments, net of tax	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$-495.00K	USD	1 Quarter
Unrealized loss on investments, net of tax	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$-1.84M	USD	1 Quarter
Unrealized loss on investments, net of tax	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$-1.84M	USD	1 Quarter
Unrealized loss on investments, net of tax	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$-1.26M	USD	2 Qtrs
Unrealized loss on investments, net of tax	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$-1.26M	USD	2 Qtrs
Unrealized loss on investments, net of tax	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$-90.00K	USD	1 Quarter
Unrealized loss on investments, net of tax	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$-90.00K	USD	1 Quarter
Unrealized loss on investments, net of tax	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$-585.00K	USD	2 Qtrs
Unrealized loss on investments, net of tax	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$-585.00K	USD	2 Qtrs
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$190.73M	USD	2 Qtrs
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$190.73M	USD	2 Qtrs
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$109.57M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$109.57M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$19.45M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$19.45M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$123.55M	USD	2 Qtrs
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$123.55M	USD	2 Qtrs
Comprehensive loss attributable to noncontrolling interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	-	USD	2 Qtrs
Comprehensive loss attributable to noncontrolling interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	-	USD	2 Qtrs
Comprehensive loss attributable to noncontrolling interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$-2.23M	USD	2 Qtrs
Comprehensive loss attributable to noncontrolling interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$-2.23M	USD	2 Qtrs
Comprehensive loss attributable to noncontrolling interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	-	USD	1 Quarter
Comprehensive loss attributable to noncontrolling interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	-	USD	1 Quarter
Comprehensive loss attributable to noncontrolling interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$-490.00K	USD	1 Quarter
Comprehensive loss attributable to noncontrolling interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$-490.00K	USD	1 Quarter
Total comprehensive income attributable to InterDigital, Inc.	`ComprehensiveIncomeNetOfTax`	$190.73M	USD	2 Qtrs
Total comprehensive income attributable to InterDigital, Inc.	`ComprehensiveIncomeNetOfTax`	$190.73M	USD	2 Qtrs
Total comprehensive income attributable to InterDigital, Inc.	`ComprehensiveIncomeNetOfTax`	$125.78M	USD	2 Qtrs
Total comprehensive income attributable to InterDigital, Inc.	`ComprehensiveIncomeNetOfTax`	$125.78M	USD	2 Qtrs
Total comprehensive income attributable to InterDigital, Inc.	`ComprehensiveIncomeNetOfTax`	$19.94M	USD	1 Quarter
Total comprehensive income attributable to InterDigital, Inc.	`ComprehensiveIncomeNetOfTax`	$19.94M	USD	1 Quarter
Total comprehensive income attributable to InterDigital, Inc.	`ComprehensiveIncomeNetOfTax`	$109.57M	USD	1 Quarter
Total comprehensive income attributable to InterDigital, Inc.	`ComprehensiveIncomeNetOfTax`	$109.57M	USD	1 Quarter

Data is extracted from SEC EDGAR XBRL filings. Values shown are as reported in the filing.