Date of first interest payment Date of first interest payment Date of first interest payment Other receivables (note 3) Nontrade Receivables, Current Customer Two [Member] Customer Two [Member] Customer Two Accumulated Amortization Finite-Lived Intangible Assets, Accumulated Amortization Disposal Group, Including Discontinued Operation, Stock based compensation Disposal Group, Including Discontinued Operation, Stock based compensation Disposal Group, Including Discontinued Operation, Stock based compensation Summary of Significant Accounting Policies and Critical Accounting Estimates Significant Accounting Policies [Text Block] Range [Domain] Statistical Measurement [Domain] Capital stock and additional paid-in capital Additional Paid in Capital [Abstract] Other Current Assets Other Current Assets [Member] Investment, Policy Investment, Policy [Policy Text Block] Entity Listings, Exchange [Axis] Entity Listings, Exchange [Axis] Debentures (note 5) Short-Term Debt, Fair Value Shares repurchase acceptance Shares repurchase acceptance Shares repurchase acceptance Asset Class [Axis] Asset Class [Axis] OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment, Tax OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment, Tax Entity File Number Entity File Number Other Noncurrent Assets [Member] Other Noncurrent Assets [Member] Leasehold improvements and other Leasehold improvements and other [Member] Buildings leaseholds and other. Facilities reclass - impact to cost of sales Facilities reclass - impact to cost of sales Facilities reclass - impact to cost of sales Contract with Customer, Performance Obligation Satisfied in Previous Period Contract with Customer, Performance Obligation Satisfied in Previous Period Long Lived Assets Held-for-sale by Asset Type [Axis] Long-Lived Asset, Held-for-Sale, Type [Axis] New Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Payments to Acquire Short-Term Investments Payments to Acquire Short-Term Investments Extension Debenture - extend Maturity Date Extension Debenture - option to extend Maturity Date Extension Debenture - option to extend Maturity Date Accounts payable Increase (Decrease) in Accounts Payable Disposal Groups, Including Discontinued Operations Disposal Groups, Including Discontinued Operations [Table Text Block] Deferred revenue, non-current (note 10) Deferred Revenue, Noncurrent Type of Restructuring [Domain] Type of Restructuring [Domain] Bank Balances and Other Investments [Domain] Bank Balances and Other Investments [Domain] Bank Balances and Other Investments [Domain] Executive Chair and CEO [Member] Executive Chair and CEO [Member] Executive Chair and CEO [Member] Share-based Compensation [Abstract] Share-Based Payment Arrangement, Noncash Expense [Abstract] Earnings (Loss) Per Share, Basic (in usd per share) Earnings Per Share, Basic Commercial paper Commercial Paper [Member] Revenue, Remaining performance obligation time frame [Domain] Revenue, Remaining performance obligation time frame [Domain] [Domain] for Revenue, Remaining performance obligation time frame [Axis] Results of Arbitrations and Legal Proceedings [Line Items] Results of Arbitrations and Legal Proceedings [Line Items] [Line Items] for Results of Arbitrations and Legal Proceedings [Table] Schedule of Stock by Class [Table] Stock, Class of Stock [Table] Debt Instrument Future Periodic Payment Interest - Annual Debt Instrument Future Periodic Payment Interest - Annual Debt Instrument Future Periodic Payment Interest - Annual Other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Diluted Share Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Diluted Share Schedule of Segment Reporting Information, by Segment Schedule of Segment Reporting Information, by Segment [Table Text Block] Prior debentures fair value adjustment Income (charge) associated with the change in fair value from non-credit components recorded in the consolidated statements of operations Fair Value, Option, Changes in Fair Value, Gain (Loss) Common shares issued for employee share purchase plan Stock Issued During Period, Shares, Employee Stock Purchase Plans Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger Facilities reclass - impact to Cybersecurity Segment gross margin Facilities reclass - impact to Cybersecurity Segment gross margin Facilities reclass - impact to Cybersecurity Segment gross margin Facilities Reclass - Sales and Marketing Previously Reported Facilities Reclass - Sales and Marketing Previously Reported Facilities Reclass - Sales and Marketing Previously Reported Schedule of Cash and Cash Equivalents Schedule of Cash and Cash Equivalents [Table Text Block] Revenue, Remaining Performance Obligation, Amount Revenue, Remaining Performance Obligation, Amount Major customer axis [Domain] Major customer axis [Domain] Major customer axis [Domain] Assets held for sale, non-current (note DNU) Disposal Group, Including Discontinued Operation, Assets Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Revenue, Remaining performance obligation time frame [Axis] Revenue, Remaining performance obligation time frame [Axis] Concentration risk, percentage Concentration Risk, Percentage Other assets Increase (Decrease) in Other Operating Assets Cumulative Effect, Period of Adoption [Domain] Cumulative Effect, Period of Adoption [Domain] Share-based compensation, amount to vest annually for each Time-based Tranche Share-based compensation, amount to vest annually for each Time-based Tranche Share-based compensation, amount to vest annually for each Time-based Tranche Stock-based compensation Share-Based Payment Arrangement, Noncash Expense Patent sale consideration no later than third anniversary date of closing Patent sale consideration no later than third anniversary date of closing Patent sale consideration no later than third anniversary date of closing Equity Securities without Readily Determinable Fair Value, Impairment Loss, Cumulative Amount Equity Securities without Readily Determinable Fair Value, Impairment Loss, Cumulative Amount Employee Stock Option [Member] Share-Based Payment Arrangement, Option [Member] Schedule of Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Facilities Reclass - Cybersecurity Segment COS Revised Facilities Reclass - Cybersecurity Segment COS Revised Facilities Reclass - Cybersecurity Segment COS Revised Litigation Settlement, Amount Awarded from Other Party Litigation Settlement, Amount Awarded from Other Party Fair Value Measurements, Cash, Cash Equivalents and Investments Cash, Cash Equivalent, and Short-Term Investment [Text Block] Decrease in deferred commission Decrease in deferred commission Decrease in deferred commission Total shareholders' equity Beginning Balance Ending Balance Equity, Attributable to Parent Other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax [Abstract] Allocated Share-based Compensation Expense Share-Based Payment Arrangement, Expense Property, Plant and Equipment Property, Plant and Equipment [Table Text Block] Letters of credit terms Letters of Credit, Lease Term Letters of Credit, Lease Term AdditionsToAcquiredIntangibleAssets AdditionsToAcquiredIntangibleAssets AdditionsToAcquiredIntangibleAssets Operating lease liabilities, current (included in accruals) Operating lease liabilities, current (included in accruals) Operating lease liabilities, current (included in accruals) Current Assets, Current [Abstract] Fair Value Cash, Cash Equivalents And Investments Cash Cash Equivalents And Investments At Fair Value Cash, cash equivalents and investments at fair value. Total liabilities and shareholders' equity Liabilities and Equity Property Plant And Equipment Useful Lives Property Plant And Equipment Useful Lives [Table Text Block] Property Plant And Equipment Useful Lives Percentage of accounts payable denominated in foreign currencies Percentage Of Accounts Payable Denominated In Foreign Currencies Percentage of accrued liabilities denominated in foreign currencies. 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Instrument, Convertible, Threshold Consecutive Trading Days Maximum Maximum [Member] Income (charge) associated with the change in fair value from instrument-specific credit components recorded in AOCL Other Comprehensive Income (Loss), Financial Liability, Fair Value Option, Unrealized Gain (Loss) Arising During Period, before Tax Accounting Policies [Abstract] Accounting Policies [Abstract] Share Repurchase Program, Remaining Authorized, Number of Shares Share Repurchase Program, Remaining Authorized, Number of Shares Intangible assets, net (note 3) Net Book Value Finite-Lived Intangible Assets, Net Concentration Risk Type [Domain] Concentration Risk Type [Domain] Revenue classified by timing of recognition [Line Items] Revenue classified by timing of recognition [Line Items] [Line Items] for Revenue classified by timing of recognition [Table] Debt Instrument [Line Items] Debt Instrument [Line Items] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] US Government Agencies Debt Securities [Member] US Government Agencies Debt Securities [Member] Equity Securities without Readily Determinable Fair Value, Downward Price Adjustment, Annual Amount Equity Securities without Readily Determinable Fair Value, Downward Price Adjustment, Annual Amount Equity Securities without Readily Determinable Fair Value, Downward Price Adjustment, Annual Amount Liabilities Liabilities [Abstract] Periodic payment, interest Debt Instrument, Periodic Payment, Interest Amortization Depreciation, Depletion and Amortization, Nonproduction Income before income tax Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Entity Shell Company Entity Shell Company Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block] Deferred share unit liability Deferred share unit liability Deferred share unit liability Accounting Standards Update 2016-02 Accounting Standards Update 2016-02 [Member] Other long-term liabilities Other Liabilities, Noncurrent Schedule of Long-term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Proceeds on sale of property, plant and equipment Proceeds from Sale of Property, Plant, and Equipment Deferred revenue Increase (Decrease) in Deferred Revenue Increase (Decrease) in Deferred Revenue Revenue Contract Balances [Table] Revenue Contract Balances [Table] Revenue Contract Balances [Table] Proceeds from Issuance of Extension Debentures and Notes (note 7) Proceeds from Issuance of Debt OCI, Foreign Currency Transaction and Translation Gain (Loss), Arising During Period, Tax OCI, Foreign Currency Transaction and Translation Gain (Loss), Arising During Period, Tax Other-than- temporary Impairment Other than Temporary Impairment Losses, Investments Impairment of goodwill Goodwill, Impairment Loss Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Total Operating Segments Operating Segments [Member] Pre-combination service of replacement awards included in purchase consideration Pre-combination service of replacement awards included in purchase consideration Pre-combination service of replacement awards included in purchase consideration Disposal Group, Including Discontinued Operation, Gross Profit (Loss) Disposal Group, Including Discontinued Operation, Gross Profit (Loss) Supplemental Cash Flow Information Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Reclassification [Line Items] Reclassification [Line Items] Cost of sales Facilities Reclass - Cost of Sales Previously Reported Facilities Reclass - Cost of Sales Previously Reported Other long-term liabilities Increase (Decrease) in Other Noncurrent Liabilities Debenture implied discount Debenture implied discount Debenture implied discount Comprehensive income Comprehensive Income (Loss), Net of Tax, Attributable to Parent Realized gains (losses) on non-marketable equity investments without readily determinable fair value sold during the period Realized gains (losses) on non-marketable equity investments without readily determinable fair value sold during the period Realized gains (losses) on non-marketable equity investments without readily determinable fair value sold during the period Schedule of Other Current Assets Schedule of Other Current Assets [Table Text Block] Debt Conversion, Name [Domain] Debt Conversion, Name [Domain] Restructuring reserve Restructuring Reserve Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent Net income (loss) for basic and diluted earnings (loss) per share available to common shareholders Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent Due in one year or less Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, Year One CEWS second extension date of program CEWS latest extension date of program CEWS latest extension date of program Operating Lease, Liability, Current Operating Lease, Liability, Current Class of Stock [Line Items] Class of Stock [Line Items] Disposal Group, Including Discontinued Operation, Provision for income taxes Disposal Group, Including Discontinued Operation, Provision for income taxes Disposal Group, Including Discontinued Operation, Provision for income taxes Facilities Reclass - IoT Segment GM Revised Facilities Reclass - IoT Segment GM Revised Facilities Reclass - IoT Segment GM Revised Document Fiscal Period Focus Document Fiscal Period Focus Facilities reclass - impact to IoT Segment gross margin Facilities reclass - impact to IoT Segment gross margin Facilities reclass - impact to IoT Segment gross margin Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent Litigation Case [Domain] Litigation Case [Domain] Income (Loss) from Continuing Operations, Per Basic Share Income (Loss) from Continuing Operations, Per Basic Share Qualcomm Incorporated Qualcomm Incorporated [Member] Qualcomm Incorporated [Member] Furniture and Fixtures [Member] Furniture and Fixtures [Member] Award Type [Axis] Award Type [Axis] Accounting Standards Update [Axis] Accounting Standards Update [Axis] Foreign Currency Cumulative Translation Adjustment Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Proceeds on sale, maturity or distribution from long-term investments Proceeds From Sale And Maturity Of Long Term Marketable Securities And Other Investments The cash inflow associated with the aggregate amount received by the entity through sale or maturity of long-term marketable securities (trading, held-to-maturity, or available-for-sale) and other investments during the period. Long-Term Debt Long-Term Debt Assets Assets Decrease due to payment, fulfillment of performance obligations, or other Decrease in deferred revenue due to payment, fulfillment of performance obligations, or other Decrease in deferred revenue due to payment, fulfillment of performance obligations, or other 2027 Finite-Lived Intangible Asset, Expected Amortization, Year One Trading Symbol Trading Symbol Geographical [Domain] Geographical [Domain] Other Comprehensive Income (Loss), Financial Liability, Fair Value Option, Reclassification Adjustment from AOCI for Derecognition, before Tax Other Comprehensive Income (Loss), Financial Liability, Fair Value Option, Reclassification Adjustment from AOCI for Derecognition, before Tax Redemption period, end date Debt Instrument, Redemption Period, End Date Entity Address, City or Town Entity Address, City or Town Less than 12 months Less than 12 months [Member] Less than 12 months [Domain] Cash flows from operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Effect of foreign exchange gain (loss) on cash, cash equivalents, restricted cash, and restricted cash equivalents Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Concentration Risk Type [Axis] Concentration Risk Type [Axis] Restricted Share Units (RSUs) Restricted Stock Units (RSUs) [Member] Income Statement Location [Domain] Statement of Income Location, Balance [Domain] Credit Loss, Financial Instrument Credit Loss, Financial Instrument [Policy Text Block] Ownership percentage by arms length party, common shares Ownership Percentage by Arms Length Party, Common Shares Ownership Percentage by Arms Length Party, Common Shares 2030 Finite-Lived Intangible Asset, Expected Amortization, Year Four Disposal Group, Including Discontinued Operation, Impairment of long-lived assets Disposal Group, Including Discontinued Operation, Impairment of long-lived assets Disposal Group, Including Discontinued Operation, Impairment of long-lived assets Entity Emerging Growth Company Entity Emerging Growth Company Restructuring Reserve, Current Restructuring Reserve, Current Acquisition of intangible assets Payments to Acquire Intangible Assets Payments to Acquire Intangible Assets Impairment of long-lived assets (note 2) Impairment, Long-Lived Asset, Held-for-Use Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Capitalized Contract Cost, Net Capitalized Contract Cost, Net Capitalized Contract Cost, Net Deferred Revenue Deferred Revenue [Member] Deferred Revenue 2020 Debentures 2020 Debentures [Member] 2020 Debentures Cumulative Effect, Period of Adoption, Adjustment Cumulative Effect, Period of Adoption, Adjustment [Member] Level 2: Fair Value, Inputs, Level 2 [Member] Maximum ownership allowed after converting 1.75% Debenture Maximum ownership allowed after converting Extension Debenture Maximum ownership allowed after converting Extension Debenture Convertible debt, number of shares upon conversion (in shares) Debt Instrument, Convertible, Number of Equity Instruments Facilities Reclass - Cybersecurity Segment COS Previously Reported Facilities Reclass - Cybersecurity Segment COS Previously Reported Facilities Reclass - Cybersecurity Segment COS Previously Reported Debt Conversion Description [Axis] Debt Conversion Description [Axis] Common outstanding (in shares) Capital stock outstanding, Shares, Beginning Balance Capital stock outstanding, Shares, Ending Balance Common shares or awards outstanding Common Stock, Shares, Outstanding Total Revenue Rate Percentage Of Revenue Attributable To Major Geographic Segments Percentage of revenue attributable to major geographic segments. Percentage of cash, cash equivalents and investments threshold used to determine major issuer Percent Of Cash Equivalents And Investments Threshold Used To Determine Major Issuers Percent of cash equivalents and investments threshold used to determine major issuers. Components of Cash, Cash Equivalents and Investments Schedule Of Cash Cash Equivalents And Investments By Major Components Table [Text Block] Components of cash, cash equivalents and investments. Document Information [Table] Document Information [Table] Intrinsic Value of Stock Options Exercised, Per Share Intrinsic Value of Stock Options Exercised, Per Share Intrinsic Value of Stock Options Exercised, Per Share Increase in deferred commission Increase in deferred commission Increase in deferred commission Legal Fees Legal Fees Transaction price allocated to the remaining performance obligations [Table] Transaction price allocated to the remaining performance obligations [Table] Transaction price allocated to the remaining performance obligations [Table] Net changes in working capital items Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract] Results of Arbitrations and Legal Proceedings [Table] Results of Arbitrations and Legal Proceedings [Table] Results of Arbitrations and Legal Proceedings [Table] Exercise of stock options Stock Issued During Period, Value, Stock Options Exercised Additional Information Impaired Assets to be Disposed of by Method Other than Sale [Line Items] Interest expense, debt adjustment impact on EPS Interest expense, debt adjustment impact on EPS Interest expense, debt adjustment impact on EPS Volatility Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate Deficit Retained Earnings [Member] Schedule of Accrued Liabilities Schedule of Accrued Liabilities [Table Text Block] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Cash, cash equivalents, restricted cash, and restricted cash equivalents, beginning of period Cash, cash equivalents, restricted cash, and restricted cash equivalents, end of period Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Total Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Income Statement [Abstract] Income Statement [Abstract] Provision for income taxes (note 4) Income Tax Expense (Benefit) Facilities Costs Facility Closing [Member] Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer Other comprehensive income (loss) before reclassification OCI, before Reclassifications, before Tax, Attributable to Parent Other regions Other Regions [Member] Other Regions Income taxes payable (note 4) Taxes Payable, Current Debt Instrument Future Periodic Payment Interest - Quarterly Debt Instrument Future Periodic Payment Interest - Quarterly Debt Instrument Future Periodic Payment Interest - Quarterly Bank balances Demand Deposits [Member] Document Information [Line Items] Document Information [Line Items] Reclassification [Table] Reclassification [Table] Subsegments [Axis] Subsegments [Axis] Customer Concentration Risk [Member] Customer Concentration Risk [Member] Subsegments Consolidation Items [Domain] Subsegments Consolidation Items [Domain] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Facilities Reclass - Research and Development Revised Facilities Reclass - Research and Development Revised Facilities Reclass - Research and Development Revised Debentures fair value impact on EPS for continuing operations Debentures fair value impact on EPS for continuing operations Debentures fair value impact on EPS for continuing operations Cost of property, plant and equipment Property, Plant and Equipment, Gross Income (Loss) from Continuing Operations, Per Diluted Share Income (Loss) from Continuing Operations, Per Diluted Share Impairment Of Right of Use Assets Impairment Of Right of Use Assets Impairment Of Right of Use Assets Property, Plant and Equipment [Member] Property, Plant and Equipment [Member] Acquisition of long-term investments Payments to Acquire Long-Term Investments Extension Debentures Extension Debentures [Member] Extension Debentures Payments to Acquire Intangible Asset Held Payments to Acquire Intangible Asset Held Payments to Acquire Intangible Asset Held Discontinued Operations and Disposal Groups [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Restructuring and Integration Restructuring and Related Activities Disclosure [Text Block] Manufacturing, repair and research and development equipment Manufacturing Equipment Research And Development Equipment And Tooling [Member] Manufacturing equipment, research and development equipment, and tooling Cash received from stock options Proceeds from Stock Options Exercised Unrecognized tax benefits included within taxes payable Unrecognized tax benefits included within taxes payable Unrecognized tax benefits included within taxes payable Schedule of Error Corrections and Prior Period Adjustments Schedule of Error Corrections and Prior Period Adjustments [Table Text Block] Title of 12(g) Security Title of 12(g) Security City Area Code City Area Code Revenue by Product and Service Type Revenue by Type [Table Text Block] Revenue by Type [Table Text Block] Gain (Loss) Related to Litigation Settlement Gain (Loss) from Litigation Settlement Facilities Reclass - IoT Segment COS Previously Reported Facilities Reclass - IoT Segment COS Previously Reported Facilities Reclass - IoT Segment COS Previously Reported Accrued liabilities (note 3) Accrued liabilities total Accrued Liabilities, Current Change in Fair Value From Instrument-Specific Credit Risk On Prior Debentures Accumulated Gain (Loss), Financial Liability, Fair Value Option, Attributable to Parent [Member] Other accrued liabilities greater than five percent of current liabilities Other Accrued Liabilities Greater than Five Percent of Current Liabilities Other Accrued Liabilities Greater than Five Percent of Current Liabilities Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Other Current Assets - Other Amounts Other Current Assets - Other Amounts Other Current Assets - Other Amounts Cash flows from investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] General and Administrative Expense General and Administrative Expense Present Value of Delayed Cash Payment from Cylance Sale Present Value of Delayed Cash Payment from Cylance Sale Present Value of Delayed Cash Payment from Cylance Sale Net cash provided by (used in) operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Bearer deposit notes Bankers Acceptance [Member] BlackBerry operations and other information technology Technology Equipment [Member] Long-term investments (note 2) Long-Term Investments Subsequent Event [Member] Subsequent Event [Member] Patent Abandonment, Cost Patent Abandonment, Cost Patent Abandonment, Cost Goodwill (note 3) Carrying amount as of beginning of period Carrying amount as of end of period Goodwill Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Percentage of Entity Public Float as of May 5, 2025 Percentage of Entity Public Float as of May 5, 2025 Percentage of Entity Public Float as of May 5, 2025 Deferred share units issued Deferred share units issued Deferred share units issued during the period Equity Components [Axis] Equity Components [Axis] Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Convertible Debt Convertible Debt [Member] Number of Reportable Segments Number of Reportable Segments Increase (Decrease) In Contract Assets Increase Decrease In Contract with Customer, Asset, Net - Current and Non-Current Increase Decrease In Contract with Customer, Asset, Net - Current and Non-Current Unrecognized tax benefits netted against deferred income taxes Unrecognized tax benefits netted against deferred income taxes Unrecognized tax benefits netted against deferred income taxes Related Party Principal Amounts of Extension Debenture Owned Related Party Principal Amounts of Extension Debenture Owned Related Party Principal Amounts of Extension Debenture Owned Intangible Asset Useful Lives Intangible Asset Useful Lives [Table Text Block] Intangible Asset Useful Lives Supplemental Cash Flow Information [Abstract] Supplemental Cash Flow Information [Abstract] Long-term Deferred Commission Long-term Deferred Commission Long-term Deferred Commission Total Debt Securities, Available-for-Sale, Amortized Cost Restructuring Cost and Reserve Restructuring Cost and Reserve [Line Items] Entity Address, Country Entity Address, Country Payments of Debt Issuance Costs Payments of Debt Issuance Costs Entity Address, State or Province Entity Address, State or Province Finance Lease, Principal Payments Finance Lease, Principal Payments Employee Service Share Based Compensation Tax Deficiencies Realized From Exercise Of Stock Options Employee Service Share Based Compensation Tax Deficiencies Realized From Exercise Of Stock Options Employee service share based compensation tax deficiencies realized from exercise of stock options. Facilities Reclass - Sales and Marketing Revised Facilities Reclass - Sales and Marketing Revised Facilities Reclass - Sales and Marketing Revised Total current liabilities Liabilities, Current Other Current Liabilities [Member] Other Current Liabilities [Member] Increase in contract receivable Increase in contract asset Increase in contract asset Income tax refunds received during the period Proceeds from Income Tax Refunds Common shares issued for restricted share unit settlements Stock Issued During Period, Shares, Restricted Stock Award, Gross Proceeds on sale or maturity of restricted short-term investments Proceeds from Sale of Restricted Investments Return of capital on Limited Partnership Investments Proceeds from Limited Partnership Investments GTC Lawsuit [Member] GTC Lawsuit [Member] GTC Lawsuit [Member] Other receivables Increase (Decrease) in Other Receivables CEWS received after this date are subject to repayment if certain conditions are not met CEWS received after this date are subject to repayment if certain conditions are not met CEWS received after this date are subject to repayment if certain conditions are not met Other current assets (note 3) Other Assets, Current Patent Abandonment, Net Book Value Patent Abandonment classified as impairment of LLA, Net Book Value Patent Abandonment classified as impairment of LLA, Net Book Value Consolidated Balance Sheet [Abstract] Consolidated Balance Sheet [Abstract] Consolidated Balance Sheet [Abstract] Net cash provided by (used in) investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Liabilities, Total Liabilities, Total [Member] Equity Award, Number Of Vesting Tranches Equity Award, Number Of Vesting Tranches Equity Award, Number Of Vesting Tranches Interest paid during the period Interest Paid, Excluding Capitalized Interest, Operating Activity Document Fiscal Year Focus Document Fiscal Year Focus No fixed maturity Debt Securities, Available-for-Sale, Maturity, without Single Maturity Date, Amortized Cost Basis of presentation and preparation Basis of Accounting, Policy [Policy Text Block] Other Post-Employment Benefit Obligations Other Post-Employment Benefit Obligations [Member] Other Post-Employment Benefit Obligations Capital Stock Shareholders' Equity and Share-Based Payments [Text Block] Operating lease right-of-use assets, net Operating Lease, Right-of-Use Asset Funds from claim filed with Ministry of Innovation, Science and Economic Development Canada relating to Strategic Innovation Fund Program Funds from claim filed with Ministry of Innovation, Science and Economic Development Canada relating to Strategic Innovation Fund Program Funds from claim filed with Ministry of Innovation, Science and Economic Development Canada relating to Strategic Innovation Fund Program Effective Income Expense Tax Rate Reconciliation, Percent Effective Income Tax Rate Reconciliation, Percent Entity Interactive Data Current Entity Interactive Data Current Weighted-average vesting period related to unrecognized share-based compensation on unvested awards Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition QNX QNX [Member] QNX Exchange shares related to Cylance acquisition Exchange shares related to business combination Exchange shares related to business combination Exercise of stock options Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period Debt Instrument, Maturity Date Range, End Debt Instrument, Maturity Date Range, End Equity [Abstract] Equity [Abstract] North America North America [Member] Business Combination, Contingent Consideration, Type [Axis] Business Combination, Contingent Consideration, Type [Axis] Revenue and Segment Disclosures Segment Reporting Disclosure [Text Block] Fair Value Inputs, Entity Credit Risk Fair Value Inputs for Debenture - Entity Credit Risk Fair Value Inputs for Debenture - Entity Credit Risk Common Stock, Amount [Roll Forward] Common Stock, Amount [Roll Forward] Common Stock, Amount [Roll Forward] U.S. treasury bills US Treasury Securities [Member] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Current assets Current assets [Member] Current assets Litigation original amount awarded to other party before correction Litigation original amount awarded to other party before correction Litigation original amount awarded to other party before correction Property, Plant and Equipment, Type [Axis] Long-Lived Tangible Asset [Axis] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Percent of debt holders (not less than) Debt Instrument, Debt Default, Percent Of Debt Holders Debt Instrument, Debt Default, Percent Of Debt Holders Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Accumulated Other Comprehensive Loss Comprehensive Income (Loss) Note [Text Block] Stock Repurchase Program, Number of Shares Authorized to be Repurchased Share Repurchase Program, Authorized, Number of Shares Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Disposal Group, Including Discontinued Operation, Costs of Sales Disposal Group, Including Discontinued Operation, Costs of Goods Sold Government subsidies Government subsidies Government subsidies Amortization expenses related to intangible assets Amortization of Intangible Assets Accounts Receivable, Allowance for Credit Loss, Relating to Customers Evaluated Separately Accounts Receivable, Allowance for Credit Loss, Relating to Customers Evaluated Separately Accounts Receivable, Allowance for Credit Loss, Relating to Customers Evaluated Separately Goodwill Goodwill and Intangible Assets, Goodwill, Policy [Policy Text Block] Exchange [Domain] Exchange [Domain] Components of Accumulated Other Comprehensive Loss Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Amortization Depreciation, Depletion and Amortization Income taxes receivable Increase (Decrease) in Income Taxes Receivable Other long-term assets (note 3) Other Assets, Noncurrent Customer [Domain] Customer [Domain] Shares repurchase program Shares repurchase program Shares repurchase program Selling Marketing And Administration Expenses Selling Marketing And Administration Expenses [Member] Selling marketing and administration Entity Central Index Key Entity Central Index Key Number of customers that comprised more than 10% of total revenue Segment Reporting, Disclosure of Major Customers Conversion price (in dollars per share) Debt Instrument, Convertible, Conversion Price Revenues Total Revenue Revenues Dilutive Securities, Effect on Basic Earnings Per Share, Dilutive Convertible Securities (in shares) Incremental Common Shares Attributable to Dilutive Effect of Conversion of Debt Securities Accounts Receivable Accounts Receivable [Policy Text Block] Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Patent sale cash consideration on closing Patent sale cash consideration on closing Patent sale cash consideration on closing Segments [Axis] Segments [Axis] Facilities reclass - impact to Gross Margin Facilities reclass - impact to Gross Margin Facilities reclass - impact to Gross Margin Entity Filer Category Entity Filer Category Class of Stock [Domain] Class of Stock [Domain] Local Phone Number Local Phone Number Deferred Commissions Deferred commission [Member] Deferred commission Subsequent Event Type [Axis] Subsequent Event Type [Axis] Deferred Share Unit Deferred Stock Unit [Member] Deferred stock unit. 3.75% Debenture 3.75% Debenture [Member] 3.75% Debenture [Member] Other Receivable Other Receivable [Table Text Block] Other Receivable Ministry of Innovation, Science and Development Canada [Member] Ministry of Innovation, Science and Development Canada [Member] Ministry of Innovation, Science and Development Canada Discontinued Operation, Gain (Loss) from Disposal of Discontinued Operation, before Income Tax Discontinued Operation, Gain (Loss) from Disposal of Discontinued Operation, before Income Tax Assets Assets [Abstract] 2029 Finite-Lived Intangible Asset, Expected Amortization, Year Three Debt Instrument [Axis] Debt Instrument [Axis] Term deposits, and certificates of deposits Bank Time Deposits [Member] Cost Finite-Lived Intangible Assets, Gross Shareholders' Equity Equity, Attributable to Parent [Abstract] Discontinued Operation, Income (Loss) from Discontinued Operation During Phase-out Period, before Income Tax Discontinued Operation, Income (Loss) from Discontinued Operation During Phase-out Period, before Income Tax Entity Address, Address Line One Entity Address, Address Line One Purchase of treasury stock Treasury Stock, Value, Acquired, Cost Method Deferred Revenue Deferred Revenue Deferred Revenue Research and development Research and Development Expense AOCI Attributable to Parent AOCI Attributable to Parent [Member] Interest rate Debt Instrument, Interest Rate, Stated Percentage Debt Instrument, Interest Rate Terms Debt Instrument, Interest Rate Terms Related Party Principal Amounts of 1.75% Debenture Owned Related Party Principal Amounts of 1.75% Debenture Owned Related Party Principal Amounts of 1.75% Debenture Owned Disposal Group, Including Discontinued Operation, Operating Income (Loss) Disposal Group, Including Discontinued Operation, Operating Income (Loss) Operating lease liabilities Operating Lease, Liability, Noncurrent Balance Sheet Related Disclosures [Abstract] Balance Sheet Related Disclosures [Abstract] After 24 months After 24 months [Member] After 24 months [Domain] Decrease in contract asset Decrease in contract asset Decrease in contract asset 1.75% Debenture 1.75% Debenture [Member] 1.75% Debenture Related party principal amounts of 3.75% debenture owned Related Party Principal Amounts of 3.75% Debenture Owned Related Party Principal Amounts of 3.75% Debenture Owned Patent Abandonment, Accumulated Amortization Patent Abandonment, Accumulated Amortization Patent Abandonment, Accumulated Amortization Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, Tax Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax Entity Registrant Name Entity Registrant Name Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table] Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table] Interest expense, debt adjustment impact on EPS from continuing operations Interest expense, debt adjustment impact on EPS from continuing operations Interest expense, debt adjustment impact on EPS from continuing operations Other Long-Term Assets Greater than Five Percent of Total Assets Other Long-Term Assets Greater than Five Percent of Total Assets Other Long-Term Assets Greater than Five Percent of Total Assets Schedule of Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Table] Earnings Per Share, Diluted, by Common Class, Including Two-Class Method [Table] Facilities Reclass - General and administrative Previously Reported Facilities Reclass - General and administrative Previously Reported Facilities Reclass - General and administrative Previously Reported Major customer axis [Axis] Major customer axis [Axis] Major customer axis Liabilities held for sale, non-current (note DNU) Disposal Group, Including Discontinued Operation, Liabilities share repurchase-reduction to capital stock share repurchase-reduction to capital stock share repurchase-reduction to capital stock Schedule of Debentures Schedule of Long-Term Debt Instruments [Table Text Block] Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements Grants during the period, Number Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Disposal Group, Including Discontinued Operation, Research and development Disposal Group, Including Discontinued Operation, Research and development Disposal Group, Including Discontinued Operation, Research and development Legal Recoveries Legal Recoveries Legal Recoveries Unrecognized compensation expense related to restricted share unit plan Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount Number of customers with a balance greater than 10% of total accounts receivable Number of Customers With a Balance Greater than 10% of Total Accounts Receivable Number of Customers With a Balance Greater than 10% of Total Accounts Receivable Accrued Royalties Accrued Royalties Document Quarterly Report Document Quarterly Report Long Lived Assets Held-for-sale, Name [Domain] Long-Lived Assets Held-for-Sale, Name [Domain] Payments To Acquire Long Term Marketable Securities And Other Investments Payments To Acquire Long Term Marketable Securities And Other Investments The cash outflow associated with the purchase by the entity of long-term marketable securities (trading, held-to-maturity, or available-for-sale) and other investments during the period. Long-Term Debt, Fair Value Long-Term Debt, Fair Value Equity Securities without Readily Determinable Fair Value, Amount Equity Securities without Readily Determinable Fair Value, Amount Number of Operating Segments Number of Operating Segments US Government-sponsored Enterprises Debt Securities US Government-sponsored Enterprises Debt Securities [Member] Concentration Risk % [Axis] Concentration Risk % [Axis] Concentration Risk % Facilities reclass - impact to Cybersecurity Segment cost of sales Facilities reclass - impact to Cybersecurity Segment cost of sales Facilities reclass - impact to Cybersecurity Segment cost of sales Debt instrument repurchased - interest amount Debt instrument repurchased - interest amount Debt instrument repurchased - interest amount Segment Reconciling Items Segment Reporting, Reconciling Item, Excluding Corporate Nonsegment [Member] Granted during the period, Weighted Average Grant Date Fair Value Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Cumulative Effect, Period of Adoption [Axis] Cumulative Effect, Period of Adoption [Axis] Interest and Debt Expense Interest and Debt Expense Derivative asset, fair value of collateral Derivative Asset, Fair Value of Collateral Intangible Assets Schedule of Finite-Lived Intangible Assets [Table Text Block] Accounts Receivable Accounts Receivable [Member] Collateral of outstanding letters of credit Letters of Credit Outstanding, Amount Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Employee share purchase plan Stock Issued During Period, Value, Employee Stock Purchase Plan Post-combination service of replacement awards, unrecognized expense Post-combination service of replacement awards, unrecognized expense Post-combination service of replacement awards, unrecognized expense Interest expense, debt Interest Expense, Debt Segment Reporting, Reconciling Item, Restructuring expenses Segment Reporting, Reconciling Item, Restructuring expenses Segment Reporting, Reconciling Item, Restructuring expenses Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Restricted Short-term Investments Restricted Investments Equity Award [Domain] Award Type [Domain] Non-U.S. treasury bills Non Us Treasury Bills Notes [Member] Non-US Treasury Bills notes. Cost Basis Cash Cash Equivalents And Investments At Cost Cash, cash equivalents and investments at cost. Disposal Group, Including Discontinued Operation, Sales and marketing Disposal Group, Including Discontinued Operation, Sales and marketing Disposal Group, Including Discontinued Operation, Sales and marketing Other Other Noncash Income (Expense) Debt Instrument, Repurchase Amount Debt Instrument, Repurchase Amount Facilities Reclass - Cybersecurity Segment GM Previously Reported Facilities Reclass - Cybersecurity Segment GM Previously Reported Facilities Reclass - Cybersecurity Segment GM Previously Reported Face amount of debt Debt Instrument, Face Amount Subsegments [Domain] Subsegments [Domain] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Litigation Settlement Litigation Settlement, Fee Expense Share Repurchase Program [Axis] Share Repurchase Program [Axis] CEWS current extension date of program CEWS current extension date of program CEWS current extension date of program Accounts Receivable, Allowance for Credit Loss Accounts Receivable, Allowance for Credit Loss [Table Text Block] AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax, Per Basic Share Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax, Per Basic Share Payments for Restructuring Payments for Restructuring Restructuring Type [Axis] Restructuring Type [Axis] 1.75% Debenture - impact of changes in fair value 1.75% Debenture - impact of changes in fair value [Table Text Block] 1.75% Debenture - impact of changes in fair value Accounts Receivable, Allowance for Credit Loss, Relating to CECL Estimated for Long-term Accounts Receivable Accounts Receivable, Allowance for Credit Loss, Relating to CECL Estimated for Long-term Accounts Receivable Accounts Receivable, Allowance for Credit Loss, Relating to CECL Estimated for Long-term Accounts Receivable Revenue Revenues [Abstract] Restricted cash and cash equivalents (note 2) Restricted Cash and Investments Stock-based compensation APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Equity Securities without Readily Determinable Fair Value, Impairment Loss, Annual Amount Equity Securities without Readily Determinable Fair Value, Impairment Loss, Annual Amount Short Term Deferred Commission Short Term Deferred Commission Short Term Deferred Commission Changes in Issued and Outstanding Common Shares Changes In Issued And Outstanding Common Shares Table [Text Block] Changes in issued and outstanding common shares. Accumulated other comprehensive loss (note 8) Accumulated Other Comprehensive Income (Loss), Net of Tax Derivative liability, fair value of collateral Derivative Liability, Fair Value of Collateral Selling and Marketing Expense Selling and Marketing Expense Financial Instruments [Domain] Financial Instruments [Domain] Net change in unrealized losses on available-for-sale investments (note 8) OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax Litigation Case [Axis] Litigation Case [Axis] Segments [Domain] Segments [Domain] Income Statement Location [Axis] Statement of Income Location, Balance [Axis] Europe, Middle East and Africa EMEA [Member] Revenue Classified by Timing of Recognition Revenue classified by timing of recognition [Table Text Block] [Table Text Block] for Revenue classified by timing of recognition [Table] Schedule of Cash. Cash Equivalents and Investments [Table] Cash and Cash Equivalent [Table] Common Stock [Roll Forward] Common Stock, Shares [Roll Forward] Common Stock, Shares [Roll Forward] Transaction Price Allocated to the Remaining Performance Obligation Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table Text Block] Fair Value, Measurements, Fair Value Hierarchy [Domain] Fair Value Hierarchy and NAV [Domain] Acquisition of restricted short-term investments Payments to Acquire Restricted Investments Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax Customer One [Member] Customer One [Member] Customer One Variable incentive accrual Accrued Bonuses Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Minimum Minimum [Member] Available-for-Sale Debt Securities AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Parent [Member] Accumulated amortization Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Cost of sales Cost of Revenue [Abstract] Net Income (Loss) from Continuing Operations Available to Common Shareholders, Diluted Net Income (Loss) from Continuing Operations Available to Common Shareholders, Diluted Revenue Contract Balances Revenue Contract Balances [Table Text Block] [Table Text Block] for Revenue Contract Balances [Table] Percentage of accounts receivable denominated in foreign currencies Percentage Of Accounts Receivable Denominated In Foreign Currencies Percentage of accounts receivable denominated in foreign currencies. Percentage change of control Par Value Repurchase, Percentage, Change of Control Par Value Repurchase, Percentage, Change of Control New Accounting Pronouncement, Early Adoption [Line Items] New Accounting Pronouncement, Early Adoption [Line Items] (Deprecated 2021) Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Gain on disposal of discontinued operation (note 3) Gain (Loss) on Sale of Investments Preferred shares: authorized unlimited number of non-voting, cumulative, redeemable and retractable Preferred Stock, Value, Issued Accounts payable Accounts Payable, Current Inducement Awards [Member] Inducement Awards [Member] Inducement Awards Other current assets greater than five percent of current assets Other Current Assets Greater than five percent of Current Assets Other Current Assets Greater than Five Percent of Current Assets Fair Value Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Fair Value [Abstract] Debt Instrument, Convertible, Number of Equity Instruments - with decimals Debt Instrument, Convertible, Number of Equity Instruments - with decimals Debt Instrument, Convertible, Number of Equity Instruments - with decimals Net Income (Loss) Available to Common Stockholders, Diluted Net Income (Loss) Available to Common Stockholders, Diluted Text Block [Abstract] Common shares: authorized unlimited number of non-voting, redeemable, retractable Class A common shares and unlimited number of voting common shares Issued - 586,061,407 voting common shares (February 28, 2026 - 587,431,120) Common Stock, Value, Issued Other Included Other Receivables Other Included Other Receivables Other Included Other Receivables Goodwill [Roll Forward] Goodwill [Roll Forward] Convertible Debt Convertible Debt [Table Text Block] Short-term Investments Short-Term Investments One Customer One Customer [Member] One Customer Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Revenue Contract Balances [Abstract] Revenue Contract Balances [Abstract] Revenue Contract Balances [Abstract] Segment Reporting, Reconciling Item, Stock Compensation Segment Reporting, Reconciling Item, Stock Compensation Segment Reporting, Reconciling Item, Stock Compensation Disposal Group, Including Discontinued Operation, Revenue Disposal Group, Including Discontinued Operation, Revenue Weighted Average Number of Shares Outstanding, Diluted, Total (in shares) Weighted Average Number of Shares Outstanding, Diluted Treasury stock - Share repurchase Shares repurchase - BV and shares repurchase differential Shares repurchase - BV and shares repurchase differential Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested in Period, Fair Value Intellectual property disposed of by sale Intellectual property disposed of by sale Intellectual property disposed of by sale Facilities Reclass - Research and Development Previously Reported Facilities Reclass - Research and Development Previously Reported Facilities Reclass - Research and Development Previously Reported Entity Small Business Entity Small Business New Accounting Pronouncements or Change in Accounting Principle [Table] Accounting Standards Update and Change in Accounting Principle [Table] Revenue from External Customers by Geographic Areas Revenue from External Customers by Geographic Areas [Table Text Block] Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Debentures fair value impact on EPS Debentures fair value impact on EPS Debentures fair value impact on EPS. Included if the fair value change in the Debentures is dilutive in the period. Patent sale variable consideration constrained Patent sale variable consideration constrained Patent sale variable consideration constrained Percentage of cash and cash equivalents denominated in foreign currencies Percentage Of Cash And Cash Equivalents Denominated In Foreign Currencies Percentage of cash and cash equivalents denominated in foreign currencies. Effective Income Tax Rate Reconciliation, Percent Effective Income Tax Rate Reconciliation, Percent Total Effective Income Tax Rate Reconciliation, Percent Total Long-Term Notes Long-Term Debt [Text Block] Accumulated Other Comprehensive Loss Comprehensive Income [Member] Document Transition Report Document Transition Report Disposal Group, Including Discontinued Operation, General and administrative Disposal Group, Including Discontinued Operation, General and administrative Disposal Group, Including Discontinued Operation, General and administrative Adoption Pronouncements Not Yet Adopted Accounting Standards Update and Change in Accounting Principle [Text Block] Assets, Total Assets, Total [Member] Equity Component [Domain] Equity Component [Domain] Document Period End Date Document Period End Date Long-lived Assets and Total Assets by Geographic Areas Long-Lived Assets by Geographic Areas [Table Text Block] Income Taxes Income Tax Disclosure [Text Block] Consolidated Balance Sheet Details Supplemental Balance Sheet Disclosures [Text Block] Accounts Receivable, Allowance for Credit Loss Accounts Receivable, Allowance for Credit Loss, Beginning Balance Accounts Receivable, Allowance for Credit Loss, Ending Balance Accounts Receivable, Allowance for Credit Loss Fair value of common shares received from disposal of discontinued operation Fair value of common shares received from disposal of discontinued operation Fair value of common shares received from disposal of discontinued operation Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Related Party Principal Amounts of 2020 Debenture Owned Related Party Principal Amounts of 2020 Debenture Owned Related Party Principal Amounts of 2020 Debenture Owned Interest rate to present value long-term restructuring liability Interest rate to present value long-term restructuring liability Interest rate to present value long-term restructuring liability CEWS subsidy - % of eligible employee's employee insurable renumeration CEWS subsidy - % of eligible employee's employee insurable remuneration CEWS subsidy - % of eligible employee's employee insurable remuneration Unpaid principal balance Debt Instrument, Unpaid Principal Balance Debt Instrument, Unpaid Principal Balance Document Type Document Type Level 3: Level 3 Fair Value, Inputs, Level 3 [Member] Earnings (Loss) Per Share Earnings Per Share [Text Block] Loss Contingencies [Table] Loss Contingencies [Table] Business Combination, Contingent Consideration, Type [Domain] Business Combination, Contingent Consideration, Type [Domain] Issuance of common shares Proceeds from Issuance of Common Stock Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Acquisition of property, plant and equipment Payments to Acquire Property, Plant, and Equipment Products and services transferred at a point in time Transferred at Point in Time [Member] Restructuring Reserve, Noncurrent Restructuring Reserve, Noncurrent Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period Assets, Current, Total Assets, Current Debenture total fair value adjustment Debenture total fair value adjustment Debenture total fair value adjustment Intangible assets acquired during the period Finite-Lived Intangible Assets Acquired Range [Axis] Statistical Measurement [Axis] Facilities Reclass - Gross Margin Previously Reported Facilities Reclass - Gross Margin Previously Reported Facilities Reclass - Gross Margin Previously Reported Litigation Settlement Interest Litigation Settlement Interest Patent sale financing component Patent sale financing component Patent sale financing component Share Repurchase Program, Authorized, Amount Share Repurchase Program, Authorized, Amount Contract with Customer, Asset, Net - Current and Non-Current Contract with Customer, Asset, Net - Current and Non-Current Contract with Customer, Asset, Net - Current and Non-Current Contract with Customer, Asset, Net - Current and Non-Current Realized charges associated with the change in fair value from credit components recorded in the consolidated statement of operations on redemption Realized charges associated with the change in fair value from credit components recorded in the consolidated statement of operations on redemption Realized charges associated with the change in fair value from credit components recorded in the consolidated statement of operations on redemption Treasury stock - shares repurchase Treasury stock - shares repurchase Treasury stock - shares repurchase Disposal Group, Including Discontinued Operation, Depreciation and Amortization Disposal Group, Including Discontinued Operation, Depreciation and Amortization Cash proceeds from disposal of discontinued operation (note 3) Change in consideration for business acquisition Change in consideration for business acquisition Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period, Intrinsic Value Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items] Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items] Common Stock, Shares Authorized, Unlimited [Fixed List] Common Stock, Shares Authorized, Unlimited [Fixed List] Share Repurchase Program [Domain] Share Repurchase Program [Domain] Schedule of Finite-Lived Intangible Assets [Table] Intangible Asset, Finite-Lived [Table] Reconciliation of Operating Profit (Loss) from Segments to Consolidated Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table Text Block] Reclassification Reclassification [Table Text Block] Reclassification Government Assistance, Amount, Cumulative, Current Government Assistance, Asset, Current Other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Current Liabilities, Current [Abstract] Geographical [Axis] Geographical [Axis] Total operating expenses Operating Expenses Level 1: Fair Value, Inputs, Level 1 [Member] Gain on Disposition of Assets Gain (Loss) on Disposition of Assets Accrued liabilities Increase (Decrease) in Accrued Liabilities Deferred revenue, current (note 10) Deferred Revenue, Current Fair value of replacement awards Fair value of replacement awards Fair value of replacement awards Earnings (Loss) Per Share, Diluted (in usd per share) Earnings Per Share, Diluted Unrealized Losses Cash Cash Equivalents And Investments Unrealized Losses Cash, cash equivalents and investments unrealized losses. Accounts Receivable, after Allowance for Credit Loss, Current Accounts Receivable, after Allowance for Credit Loss, Current Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Discontinued Operation Result of Operations Discontinued Operation Result of Operations [Table Text Block] Discontinued Operation Result of Operations Schedule of Long-Lived Assets to be Abandoned [Table] Disposal Groups, Including Discontinued Operations [Table] Government Assistance, Statement of Financial Position [Extensible Enumeration] Government Assistance, Asset, Statement of Financial Position [Extensible Enumeration] Facilities reclass - impact to IoT Segment cost of sales Facilities reclass - impact to IoT Segment cost of sales Facilities reclass - impact to IoT Segment cost of sales Other acquired intangibles Other Acquired Technology [Member] Other Acquired Technology [Member] Non-U.S. promissory notes Non Us Government Promissory Notes [Member] Non Us Government Promissory Notes [Member] Earnings per share (note 7) Earnings Per Share [Abstract] Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] Conversion of stock (in shares) Conversion of Stock, Shares Converted Consolidation Items [Domain] Consolidation Items [Domain] Debt Securities, Available-for-Sale, Unrealized Gain Debt Securities, Available-for-Sale, Unrealized Gain Equity Securities, FV-NI, Unrealized Loss Equity Securities, FV-NI, Unrealized Loss Corporate notes/bonds Corporate Bonds And Notes [Member] Corporate Bonds And Notes [Member] Operating leases Operating lease cash flow Operating lease cash flow Gross margin Segment gross margin Gross Profit Ownership percentage, common shares Ownership Percentage, Common Shares Ownership Percentage, Common Shares Share repurchase Share repurchase Stock Repurchased and Retired During Period, Value Condensed Balance Sheet Statement [Table] Condensed Balance Sheet Statement [Table] Stock repurchased and charged against retained earnings Stock repurchased, amount charged against retained earnings Stock repurchased, amount charged against retained earnings Investments that are communicated to the third party for consideration of reasonableness, threshold limit for fair values Investments That Are Communicated To Third Party For Consideration Of Reasonableness Threshold Limit For Fair Value Investments That Are Communicated To Third Party For Consideration Of Reasonableness Threshold Limit For Fair Value Facilities Reclass - General and administrative Revised Facilities Reclass - General and administrative Revised Facilities Reclass - General and administrative Revised Cash, Cash Equivalents and Investments [Line Items] Cash and Cash Equivalents [Line Items] Income taxes paid during the period Income Taxes Paid, Net Revenue Contract Balances [Domain] Revenue Contract Balances [Domain] [Domain] for Revenue Contract Balances [Axis] Share-based Compensation Arrangement by Share-based Payment Award, Expiration Date Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Date 2028 Finite-Lived Intangible Asset, Expected Amortization, Year Two Facilities reclass - impact to Research and development Facilities reclass - impact to Research and development Facilities reclass - impact to Research and development Assets held for sale, current (note DNU) Disposal Group, Including Discontinued Operation, Assets, Current Gain (Loss) on Equity Securities without Readily Determinable Fair Value Gain (Loss) on Securities [Table Text Block] Payments for Legal Settlements Payments for Legal Settlements Deferred Revenue, Additions Deferred Revenue, Additions Facilities reclass - impact to Sales and marketing Facilities reclass - impact to Sales and marketing Facilities reclass - impact to Sales and marketing Revenue Contract Balances [Axis] Revenue Contract Balances [Axis] Revenue Contract Balances [Axis] Net income Net income Net Income (Loss) Attributable to Parent Disposal Group, Including Discontinued Operation, Acquisition of property, plant and equipment Disposal Group, Including Discontinued Operation, Acquisition of property, plant and equipment Disposal Group, Including Discontinued Operation, Acquisition of property, plant and equipment Other Other Accrued Liabilities, Current 2031 Finite-Lived Intangible Asset, Expected Amortization, Year Five Timing of Transfer of Good or Service [Axis] Timing of Transfer of Good or Service [Axis] Option vesting period Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period Accounts Receivable, Allowance for Credit Loss [Roll Forward] Accounts Receivable, Allowance for Credit Loss [Roll Forward] Investments in privately-held companies Other Investments [Member] Property, plant and equipment, net (note 3) Net book value Property, Plant and Equipment, Net Facilities reclass - impact to General and administrative Facilities reclass - impact to General and administrative Facilities reclass - impact to General and administrative Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Restructuring Charges Restructuring Charges Common shares repurchased (note 6) Payments for Repurchase of Common Stock Other Receivables Greater than Five Percent of Current Assets Other Receivables Greater than Five Percent of Current Assets Other Receivables Greater than Five Percent of Current Assets Net change in deferred commission Net change in deferred commission Net change in deferred commission Employee Termination Benefits One-time Termination Benefits [Member] Accounts receivable, net of allowance Increase (Decrease) in Accounts Receivable Schedule of Restructuring and Related Costs [Table] Restructuring Cost [Table] Entity Current Reporting Status Entity Current Reporting Status Senior Convertible Notes Senior Convertible Notes [Member] Senior Convertible Notes Customer [Axis] Customer [Axis] Operating income Operating Income (Loss) Due in one year or less Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, Year One Deficit Retained Earnings (Accumulated Deficit) Executive Chair Grant Liability Executive Chair Grant Liability Executive Chair Grant Liability Increase (Decrease) in Contract Receivables, Net Increase (Decrease) in Contract Receivables, Net Discontinued Operations Cash flow Discontinued Operations Cash flow [Table Text Block] Discontinued Operations Cash flow Gain on Disposition of Property Plant Equipment Gain (Loss) on Disposition of Property Plant Equipment Eligible Item or Group for Fair Value Option [Axis] Financial Instrument [Axis] Facilities Reclass - Cybersecurity Segment GM Revised Facilities Reclass - Cybersecurity Segment GM Revised Facilities Reclass - Cybersecurity Segment GM Revised Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Products and services transferred over time Transferred over Time [Member] Number of awards granted Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Net of Forfeitures Accounting Standards Update [Domain] Accounting Standards Update [Domain] Patent sale variable consideration recognized on sale Patent sale variable consideration recognized on sale Patent sale variable consideration recognized on sale Maturities of 2020 Debentures and Extension Debentures (note 7) Repayments of Debt Class of Stock [Axis] Class of Stock [Axis] Non-cash consideration received from contracts with customers Non-cash consideration received from contracts with customers Non-cash consideration received from contracts with customers Current Fiscal Year End Date Current Fiscal Year End Date Debt Instrument, Repurchase Date Debt Instrument, Repurchase Date Cash Flow Hedges Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] Revenue classified by timing of recognition [Table] Revenue classified by timing of recognition [Table] Revenue classified by timing of recognition [Table] Expected life in years Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term Subsequent Event Type [Domain] Subsequent Event Type [Domain] Par value of convertible debentures Debt Conversion, Converted Instrument, Amount Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Liabilities held for sale, current (note DNU) Disposal Group, Including Discontinued Operation, Liabilities, Current Shares in the equity pool available for future grants Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant Statement [Table] Statement [Table] 12 to 24 months 12 to 24 months [Member] 12 to 24 months [Domain] Accounts Receivable, after Allowance for Credit Loss, Noncurrent Accounts Receivable, after Allowance for Credit Loss, Noncurrent Deferred income taxes Deferred Income Tax Expense (Benefit) Adjustments to reconcile net income to net cash provided by (used in) operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Treasury shares - share repurchase Treasury stock - share repurchase Treasury stock - share repurchase Cash flows from financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Weighted-average grant date fair value of stock options granted during the periods (usd per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Sales Revenue, Net [Member] Revenue Benchmark [Member] Disposal Group, Including Discontinued Operation, Operating Expense Disposal Group, Including Discontinued Operation, Operating Expense Contingent performance-based cash award Contingent performance-based cash award Contingent performance-based cash award to the Company's Executive Chair and CEO Cost Basis Debt Securities, Available-for-Sale, Amortized Cost, Fiscal Year Maturity [Abstract] Timing of Transfer of Good or Service [Domain] Timing of Transfer of Good or Service [Domain] Condensed Balance Sheet Statements, Captions [Line Items] Condensed Balance Sheet Statements, Captions [Line Items] Transaction price allocated to the remaining performance obligations [Line Items] Transaction price allocated to the remaining performance obligations [Line Items] [Line Items] for Transaction price allocated to the remaining performance obligations [Table] Unrecognized Tax Benefits Unrecognized Tax Benefits Cash and Cash Equivalents [Abstract] Cash and Cash Equivalents [Abstract] Liability related to deferred share unit plan Deferred Compensation Arrangement with Individual, Recorded Liability Amendment Flag Amendment Flag Net cash used in financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Unrealized Gains Cash Cash Equivalents And Investments Unrealized Gains Cash, cash equivalents and investments unrealized gains. Government Subsidies Government Subsidies, Policy [Policy Text Block] Government Subsidies, Policy Non-U.S. government sponsored enterprise notes Non Us Government Sponsored Enterprise Notes [Member] Non-US Government Sponsored Enterprise Notes. Subsegments Consolidation Items [Axis] Subsegments Consolidation Items [Axis] 2032 Finite-Lived Intangible Asset, Expected Amortization, after Year Five Facilities Reclass - Gross Margin Revised Facilities Reclass - Gross Margin Revised Facilities Reclass - Gross Margin Revised Facilities Reclass - Cost of Sales Revised Facilities Reclass - Cost of Sales Revised Facilities Reclass - Cost of Sales Revised Effect of foreign exchange on non-U.S. dollar denominated goodwill Goodwill, Foreign Currency Translation and Measurement Period Adjustments Weighted-average number of shares outstanding (000's) - basic and diluted (in shares) Weighted Average Number of Shares Outstanding, Basic Property, Plant and Equipment, Type [Domain] Long-Lived Tangible Asset [Domain] Contractual Maturities of Available-for-Sale Investments Available For Sale Securities Debt Maturities Table [Text Block] Available For Sale Securities Debt Maturities. Cash Flow and Additional Information Cash Flow, Supplemental Disclosures [Text Block] Restricted Cash and Cash Equivalents Restricted Cash and Cash Equivalent, Noncurrent Patent sale consideration in the form of potential future royalty Patent sale consideration in the form of potential future royalty Patent sale consideration in the form of potential future royalty Post-combination service of replacement awards Post-combination service of replacement awards Post-combination service of replacement awards Segment Reporting [Abstract] Segment Reporting [Abstract] Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] Cost of sales Cost of Revenue Acquired technology Acquired Technology [Member] Acquired Technology. Debt Disclosure [Abstract] Debt Disclosure [Abstract] Risk-free interest rates Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Amortization of Debt Issuance Costs Amortization of Debt Issuance Costs Capital Stock and Additional Paid-in Capital Common Stock Including Additional Paid in Capital [Member] Entity Tax Identification Number Entity Tax Identification Number Current period provision for expected credit losses Accounts Receivable, Allowance for Credit Loss, Period Increase (Decrease) Impairment of long-lived assets total (note 3) Impairment of long-lived assets total (note 3) Impairment of long-lived assets total (note 3) No fixed maturity Debt Securities, Available-for-Sale, Maturity, without Single Maturity Date, Fair Value Equity Securities, FV-NI, Unrealized Gain Equity Securities, FV-NI, Unrealized Gain Accounts Receivable, Allowance for Credit Loss, Writeoff Accounts Receivable, Allowance for Credit Loss, Writeoff Debt Securities, Available-for-sale, Realized Gain (Loss) Debt Securities, Available-for-Sale, Realized Gain (Loss) Debt Securities, Available-for-Sale, Unrealized Loss Debt Securities, Available-for-Sale, Unrealized Loss Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Concentration Risk % [Domain] Concentration Risk % [Domain] [Domain] for Concentration Risk % Issued and outstanding - 586,061,407 voting common shares (February 28, 2026 - 587,431,120) Common Stock, Shares, Issued Revenue recognized on patent sale Revenue recognized on patent sale Revenue recognized on patent sale Income taxes receivable Income Taxes Receivable, Current 3.75% Debenture - impact of changes in fair value 3.75% Debenture - impact of changes in fair value [Table Text Block] 3.75% Debenture - impact of changes in fair value Proceeds from Legal Settlements Proceeds from Legal Settlements Schedule of Basic and Diluted Earnings Per Share Schedule of Basic and Diluted Earnings Per Share [Table Text Block] [Table Text Block] for Schedule of Basic and Diluted Earnings Per Share [Table] Significant Accounting Policies and Critical Accounting Estimates Use of Estimates, Policy [Policy Text Block] Nokia Corporation [Member] Nokia Corporation [Member] Nokia Corporation [Member] Secure Communication Secure Communication [Member] Secure Communication Litigation Settlement, Amount Awarded to Other Party Litigation Settlement, Amount Awarded to Other Party Changes to Carrying Amount of Goodwill Schedule of Goodwill [Table Text Block] Income taxes payable Increase (Decrease) in Income Taxes Payable Loss Contingencies Line Items] Loss Contingencies [Line Items] Equity Securities without Readily Determinable Fair Value, Upward Price Adjustment, Annual Amount Equity Securities without Readily Determinable Fair Value, Upward Price Adjustment, Annual Amount Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Patent sale other receivable recognized Patent sale other receivable recognized Patent sale other receivable recognized Security Exchange Name Security Exchange Name Equity securities Equity Securities [Member] Segment gross margin Segment gross margin Segment gross margin 10-day average closing price for cash award 10-day average closing price for cash award 10-day average closing price for contingent performance cash award to the Company's Executive Chair and CEO Patent sale long-term receivable recognized on sale Patent sale long-term receivable recognized on sale Patent sale long-term receivable recognized on sale Total liabilities Liabilities Facilities Reclass - IoT Segment GM Previously Reported Facilities Reclass - IoT Segment GM Previously Reported Facilities Reclass - IoT Segment GM Previously Reported Intellectual property Intellectual Property [Member] Investment income, net (note 2 and note 5) Investment Income, Net Common Stock, Value, Outstanding Common Stock, Value, Outstanding Common Stock, Value, Outstanding Interest rate in event of default Debt Instrument, Interest Rate in Event of Default Debt Instrument, Interest Rate in Event of Default Stock Repurchased During Period, Shares Stock Repurchased During Period, Shares Stock Repurchased During Period, Shares Proceeds on sale or maturity of short-term investments Proceeds from Sale and Maturity of Debt Securities, Available-for-Sale Operating expenses Operating Expenses [Abstract] Asset Class [Domain] Asset Class [Domain] Licensing Licensing [Member] Licensing Statement [Line Items] Statement [Line Items] Facilities Reclass - IoT Segment COS Revised Facilities Reclass - IoT Segment COS Revised Facilities Reclass - IoT Segment COS Revised Consolidation Items [Axis] Consolidation Items [Axis] Replacement award [Member] Replacement award [Member] Replacement award [Member] Accounts Receivable, Allowance for Credit Loss, Relating to CECL Estimated Based on Days Past Due and Region Accounts Receivable, Allowance for Credit Loss, Relating to CECL Estimated Based on Days Past Due and Region Accounts Receivable, Allowance for Credit Loss, Relating to CECL Estimated Based on Days Past Due and Region litigation Settlement, Fee expense - CAD Currency litigation Settlement, Fee expense - CAD Currency litigation Settlement, Fee expense - CAD Currency Schedule of Company's Restructuring Schedule of Restructuring Reserve by Type of Cost [Table Text Block] Cash and cash equivalents (note 2) Cash and Cash Equivalent Restructuring Charges, Statement of Income or Comprehensive Income [Extensible Enumeration] Restructuring Charges, Statement of Income or Comprehensive Income [Extensible Enumeration] Debt Instrument, Convertible, Threshold Trading Days Debt Instrument, Convertible, Threshold Trading Days Total Debt Securities, Available-for-Sale Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Net increase (decrease) in cash, cash equivalents, restricted cash, and restricted cash equivalents during the period Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Panasonic Corporation [Member] Panasonic Corporation [Member] Panasonic Corporation [Member]