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Customer relationships Customer Relationships [Member] Change of control event Debt Instrument, Redemption, Period Five [Member] Europe, Middle East, and Africa EMEA [Member] Concentration Risk [Table] Concentration Risk [Table] Entity Address, City or Town Entity Address, City or Town Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Class of Financing Receivable [Domain] Class of Financing Receivable [Domain] Stock Based Compensation Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Receivables [Abstract] Deferred contract acquisition costs Increase Decrease in Deferred Contract Acquisition Costs Amount of increase (decrease) in deferred contract acquisition costs. 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SGNL.AI, Inc. [Member] SGNL.AI, Inc. 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Property, Plant, and Equipment [Table] Property, Plant, and Equipment [Table] Preferred stock, $0.0005 par value; 100,000 shares authorized as of July 31, 2026 and January 31, 2026; no shares issued and outstanding as of July 31, 2026 and January 31, 2026. 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Name Trading Arrangement, Individual Name Unrecognized stock based compensation expense, unvested RSUs Share-Based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount Cash and cash equivalents Cash and cash equivalents Cash and Cash Equivalent Company Selected Measure Amount Company Selected Measure Amount Unrealized losses Equity Securities, FV-NI, Unrealized Gain (Loss) Amortization of internal-use software and website development costs Depreciation, Depletion and Amortization Duration of purchase periods (in months) Employee Stock Purchase Plan, Duration Of Purchase Period Represents the duration of purchase period under ESPP. Unrecognized tax benefits including interest and penalties that would affect effective tax rate Unrecognized Tax Benefits that Would Impact Effective Tax Rate Non-PEO NEO Non-PEO NEO [Member] Furniture and equipment Furniture And Equipment [Member] Represents the information pertaining to furniture and equipment. Customers Customer Concentration Risk [Member] Total cost of revenue Cost of Product and Service Sold Award Timing Method Award Timing Method [Text Block] Net increase (decrease) in cash, cash equivalents and restricted cash Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Schedule of Accrued Payroll and Benefits Summary Of Accrued Payroll And Benefits [Table Text Block] Summary Of Accrued Payroll And Benefits Vesting Three Share-Based Payment Arrangement, Tranche Three [Member] Net income (loss) attributable to CrowdStrike Net income (loss) attributable to CrowdStrike Net Income (Loss) Attributable to Parent Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Year two, originated, fiscal year before current fiscal year Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year Restatement Determination Date: Restatement Determination Date [Axis] Options exercisable at end of period (in usd per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price Number of lawsuits Loss Contingency, New Claims Filed, Number Revenue Revenues [Abstract] Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Statistical Measurement [Domain] Statistical Measurement [Domain] Document Fiscal Year Focus Document Fiscal Year Focus Acquisition costs Business Combination, Acquisition-Related Cost, Expense Subscription term (in months) Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period Number of Shares Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Customer [Axis] Customer [Axis] Class A common stock, $0.0005 par value; 2,000,000 shares authorized as of July 31, 2026 and January 31, 2026; 1,023,845 shares and 1,013,453 shares issued and outstanding as of July 31, 2026 and January 31, 2026, respectively; Class B common stock, $0.0005 par value; 92,364 shares authorized as of July 31, 2026 and January 31, 2026; no shares issued and outstanding as of July 31, 2026 and January 31, 2026. Common Stock, Value, Issued 2028 Lessee, Operating Lease, Liability, to be Paid, Year One Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Restatement Determination Date Restatement Determination Date Options vested and expected to vest at end of period (in usd per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price Financing Receivables Financing Receivables [Text Block] Amendment Flag Amendment Flag Current liabilities: Liabilities, Current [Abstract] Deferred compensation investments Deferred Compensation Investments [Member] Deferred Compensation Investments Fiscal 2027 (remaining six months) Recorded Unconditional Purchase Obligation, to be Paid, Remainder of Fiscal Year Contract with Customer, Liability [Line Items] Contract with Customer, Liability [Line Items] 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. Capitalized Contract Cost, Amortization Period Capitalized Contract Cost, Amortization Period [Member] Capitalized Contract Cost, Amortization Period Issuance of common stock for founders holdbacks related to acquisitions Stock Issued During Period, Value, Acquisitions Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Entity Address, State or Province Entity Address, State or Province PEO Total Compensation Amount PEO Total Compensation Amount Foreign currency translation adjustments Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Assets, Fair Value Disclosure [Abstract] Assets, Fair Value Disclosure [Abstract] Accrued expenses and other liabilities Increase (Decrease) in Accrued Liabilities and Other Operating Liabilities Notional amount Derivative, Notional Amount Basic (in shares) Weighted-average shares used in computing net income (loss) per share attributable to CrowdStrike common stockholders, basic (in shares) Weighted Average Number of Shares Outstanding, Basic Commission amortization period (in years) Revenue Amortization Over Estimated Benefit For Commission Including Referral Fees Paid Represents the amortization over an estimated period of benefit for commissions, including referral fees paid to channel partner. 2031 Lessee, Operating Lease, Liability, to be Paid, Year Four Financing Receivable, Credit Quality Indicator [Line Items] Financing Receivable, Credit Quality Indicator [Line Items] Unfunded Loan Commitment Unfunded Loan Commitment [Member] Allowance for credit losses Financing Receivable, Allowance for Credit Loss, Current Total revenue Revenue from Contract with Customer, Including Assessed Tax Number of additional shares issued for each share held (in shares) Stockholders' Equity Note, Stock Split, Number Of Additional Shares Issued For Each Share Held Stockholders' Equity Note, Stock Split, Number Of Additional Shares Issued For Each Share Held Time Deposits Time Deposits Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Released (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Class of Stock [Axis] Class of Stock [Axis] Accumulated Amortization Intangible Asset, Finite-Lived, Accumulated Amortization Recently Adopted and Issued Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Deferred revenue Increase (Decrease) in Contract with Customer, Liability Non-controlling Interest Noncontrolling Interest [Member] Fair value Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Excluding Goodwill Performance adjustment (in shares) Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other than Options, Performance Adjustment Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other than Options, Performance Adjustment Schedule Of Share Repurchases Schedule Of Share Repurchases [Table Text Block] Schedule Of Share Repurchases Changes in operating assets and liabilities, net of impact of acquisitions Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract] Canceled (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures and Expirations in Period Net cash used in investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Gross unrecognized tax benefits Unrecognized Tax Benefits Share Repurchases Equity [Text Block] Security Exchange Name Security Exchange Name Non-controlling interest Noncontrolling Interest, Period Increase (Decrease) Business combination, expected consideration Business Combination, Price of Acquisition, Expected Granted (in usd per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Proceeds from sales of strategic investments Proceeds from Sale of Long-Term Investments Data center and other computer equipment Data Center And Other Computer Equipment [Member] Represents the information pertaining to data center and other computer equipment. Total Financing Receivable, before Allowance for Credit Loss Johanna Flower [Member] Johanna Flower Shares authorized (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized Schedule of Property and Equipment, Net Property, Plant, and Equipment [Table Text Block] Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Name Outstanding Recovery, Individual Name Unrealized gains in accumulated other comprehensive income AOCI, Cash Flow Hedge, Cumulative Gain (Loss), after Tax Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Geographical [Domain] Geographical [Domain] Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Total unrecognized stock-based compensation expenses related to unvested options Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount Short-term financing receivables, net Financing Receivable, after Allowance for Credit Loss, Current Gains (losses) on strategic investments, net Gain (Loss) On Strategic Investments, Net Gain (Loss) On Strategic Investments, Net Carrying amount, end of period Other Long-Term Investments Accrued Payroll and Benefits Employee-related Liabilities, Current [Abstract] Compensation Amount Outstanding Recovery Compensation Amount Decrease in sales commission expense Amortization of deferred contract acquisition costs Capitalized Contract Cost, Amortization Individual: Individual [Axis] Voting equity interest acquired (as a percent) Business Combination, Voting Equity Interest Acquired, Percentage Diluted (in shares) Weighted-average shares used in computing net income (loss) per share attributable to CrowdStrike common stockholders, dilutive (in shares) Weighted Average Number of Shares Outstanding, Diluted Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Entity Emerging Growth Company Entity Emerging Growth Company Derivative Contracts Derivatives, Policy [Policy Text Block] Year one, originated, current fiscal year Financing Receivable, Year One, Originated, Current Fiscal Year Underlying Security Market Price Change Underlying Security Market Price Change, Percent Derivative Contracts Derivative Instruments and Hedging Activities Disclosure [Text Block] Less: imputed interest Lessee, Operating Lease, Liability, Undiscounted Excess Amount Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Impairment of property and equipment Long-Lived Asset, Held and Used, Impairment Loss Cost of revenue Cost of Revenue [Abstract] Revision of Prior Period Financial Statements Error Correction [Text Block] 2030 Recorded Unconditional Purchase Obligation, to be Paid, Year Three Year three, originated, fiscal year before current fiscal year Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year Total operating lease payments Lessee, Operating Lease, Liability, to be Paid Adjustments Revision of Prior Period, Error Correction, Adjustment [Member] RSUs and PSUs outstanding at beginning of period (in usd per share) RSUs and PSUs outstanding at end of period (in usd per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value All Executive Categories All Executive Categories [Member] Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Other comprehensive income: Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract] Sales and marketing Selling and Marketing Expense Accounting Changes and Error Corrections [Abstract] Schedule of Earnings Per Share, Basic and Diluted Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Debt Disclosure [Abstract] Debt Disclosure [Abstract] Segment Information Segment Reporting [Text Block] Minimum Minimum [Member] Capitalization of contract acquisition costs Contract Cost, Capitalization Contract Cost, Capitalization Schedule of Revenue from Contracts by Type and Region Disaggregation of Revenue [Table Text Block] Schedule of Estimated Aggregate Future Amortization Expense of Intangible Assets Intangible Asset, Finite-Lived, Amortization Expense [Table Text Block] Effect of foreign exchange rates on cash, cash equivalents and restricted cash Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Weighted-average shares used in computing net income (loss) per share attributable to CrowdStrike common stockholders: Weighted Average Number of Shares Outstanding Reconciliation [Abstract] Income Statement Location [Axis] Location, Statement of Income, Balance [Axis] Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Weighted-average remaining contractual term of stock options outstanding (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted-Average Remaining Contractual Term Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member] Business combination, preacquisition equity interest in acquiree, percentage Business Combination, Achieved in Stages, Preacquisition Equity Interest in Acquiree, Percentage Business combination, consideration transferred, liabilities incurred Business Combination, Consideration Transferred, Liabilities Incurred Financing Receivable, Allowance for Credit Loss [Table] Financing Receivable, Allowance for Credit Loss [Table] Common stock, shares authorized (in shares) Common Stock, Shares Authorized Useful lives (in years) Estimated economic lives Intangible Asset, Finite-Lived, Useful Life Non-cancellable purchase commitment Total purchase commitments Recorded Unconditional Purchase Obligation Exercise Price Award Exercise Price Restructuring Cost [Table] Restructuring Cost [Table] Gain on remeasurement of previously held equity interest Business Combination, Achieved in Stages, Preacquisition Equity Interest in Acquiree, Remeasurement, Gain Issuance of common stock under RSU and PSU release Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures Authorized share repurchase amount Share Repurchase Program, Authorized, Amount Segment Reporting [Line Items] Segment Reporting [Line Items] Document Quarterly Report Document Quarterly Report Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member] Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] Seraphic Algorithms Ltd Seraphic Algorithms Ltd [Member] Seraphic Algorithms Ltd Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Strategic investments Equity Method Investments Liability, beginning of the period Liability, end of the period Restructuring Reserve Equity Component [Domain] Equity Component [Domain] Adoption Date Trading Arrangement Adoption Date Threshold consecutive trading days Threshold Consecutive Trading Days Threshold Consecutive Trading Days Restructuring Type [Axis] Restructuring Type [Axis] Title Trading Arrangement, Individual Title Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Accounting Policies [Abstract] Accounting Policies [Abstract] Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Risk-free interest rate Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Present value of operating lease liabilities Operating Lease, Liability Options outstanding at beginning of period (in shares) Options outstanding at end of period (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Depreciation and amortization Depreciation And Amortization Excluding Intangible Assets And Deferred Contract Acquisition Costs Amount of depreciation and amortization excluding amortization of intangible assets and deferred contract acquisition costs. Schedule of Error Corrections and Prior Period Adjustments Schedule of Error Corrections and Prior Period Adjustments [Table Text Block] Type of Restructuring [Domain] Type of Restructuring [Domain] Business Combination [Domain] Business Combination [Domain] Threshold percentage of outstanding shares Share-Based Compensation Arrangement by Share-Based Payment Award, Percentage of Outstanding Stock Maximum Canceled (in usd per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Maximum number of additional shares of common stock that may be issued (in shares) Share-Based Compensation Arrangement By Share-Based Payment Award, Number of Additional Shares To Be Authorized, Maximum Share-Based Compensation Arrangement By Share-Based Payment Award, Number of Additional Shares To Be Authorized, Maximum RSUs Restricted Stock Units (RSUs) [Member] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] All Adjustments to Compensation All Adjustments to Compensation [Member] Business Combination [Axis] Business Combination [Axis] Net cash provided by operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Share-Based Compensation Award, Other than Stock Options Share-Based Compensation Award, Other than Stock Options [Member] Share-Based Compensation Award, Other than Stock Options Remaining performance obligation, percentage (as a percent) Revenue, Remaining Performance Obligation, Percentage Income Statement [Abstract] Income Statement [Abstract] Stockholders’ Equity Equity, Attributable to Parent [Abstract] Issuance of common stock under employee stock purchase plan (in shares) Stock Issued During Period, Shares, Employee Stock Purchase Plans Document Transition Report Document Transition Report Realized gains on strategic investments Gain (Loss) on Investments Operating expenses Operating Expenses [Abstract] Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Schedule of Intangible Assets, Net Intangible Asset, Finite-Lived [Table Text Block] Accrued commissions Accrued Sales Commission, Current City Area Code City Area Code Onum Technology, Inc. Onum Technology, Inc. [Member] Onum Debt instrument, fair value Debt Instrument, Fair Value Disclosure Name Forgone Recovery, Individual Name Loss Contingency Accrual [Roll Forward] Loss Contingency Accrual [Roll Forward] Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Weighted- Average Grant Date Fair Value Per Share Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Preferred stock, shares issued (in shares) Preferred Stock, Shares Issued Financing Receivable, Credit Quality Indicator [Table] Financing Receivable, Credit Quality Indicator [Table] Issuance of common stock under employee stock purchase plan Stock Issued During Period, Value, Employee Stock Purchase Plan Service-based Vesting Service Based Restricted Stock Units Vesting [Member] Represents information pertaining to service based restricted stock units vesting. Cash and Cash Equivalents [Domain] Cash and Cash Equivalents [Domain] Total stock-based compensation expense Share-Based Payment Arrangement, Expense Repurchases of common stock (in shares) Repurchases of stock (in shares) Stock Repurchased and Retired During Period, Shares Goodwill acquired Goodwill, Acquired During Period Issuance of common stock upon exercise of options (in shares) Exercised (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period Long-term financing receivables, net Financing Receivable, after Allowance for Credit Loss, Noncurrent Granted (in usd per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Revenue included in the contract liability balance Contract with Customer, Liability, Revenue Recognized Subsequent Event Type [Domain] Subsequent Event Type [Domain] Revision of Prior Period [Domain] Revision of Prior Period [Domain] Forfeited (in usd per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Thereafter Recorded Unconditional Purchase Obligation, to be Paid, after Year Four Recorded Unconditional Purchase Obligation, to be Paid, after Year Four Privately held equity securities Privately Held Equity Securities [Member] Privately Held Equity Securities Entity Current Reporting Status Entity Current Reporting Status Net cash provided by (used in) financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Total Shareholder Return Amount Total Shareholder Return Amount Error Corrections and Prior Period Adjustments Restatement [Line Items] Error Corrections and Prior Period Adjustments Restatement [Line Items] Cash Flow Hedging Cash Flow Hedging [Member] Line of Credit Facility [Line Items] Line of Credit Facility [Line Items] Research and development Research and Development Expense Adjustments to reconcile net income (loss) to net cash provided by operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Property and equipment, net Property and equipment, net Property, Plant, and Equipment, after Accumulated Depreciation, Depletion, and Amortization Schedule of Privately Held Equity Securities and Gains and Losses on Strategic Investments Schedule Of Strategic Investments [Table Text Block] Schedule Of Strategic Investments After February 15, 2025 Debt Instrument, Redemption, Period Three [Member] Numerator: Numerator [Abstract] Numerator Financial Instruments [Domain] Financial Instruments [Domain] Number of shares issuable (in shares) Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Number Of Shares Issuable Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Number Of Shares Issuable Total prepaid expenses and other current assets Derivative Asset Intangible Asset, Finite-Lived, Class [Axis] Intangible Asset, Finite-Lived, Class [Axis] Issuance of common stock upon exercise of options Stock Issued During Period, Value, Stock Options Exercised Underlying Securities Award Underlying Securities Amount Less: Comprehensive income (loss) attributable to non-controlling interest Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Revenue, Deferred Revenue and Remaining Performance Obligations Revenue from Contract with Customer [Text Block] RSUs and PSUs expected to vest (in usd per share) Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Vested And Expected To Vest, Weighted Average Grant Date Fair Value Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Vested And Expected To Vest, Weighted Average Grant Date Fair Value Prepaid expense Prepaid Expense, Current Share Based Compensation, Award Modification Type [Axis] Share Based Compensation, Award Modification Type [Axis] Share Based Compensation, Award Modification Type Issuance of common stock for founders holdbacks related to acquisitions (in shares) Stock Issued During Period, Shares, Acquisitions Recognition of deferred revenue Contract with Customer, Liability, Recognition of Deferred Revenue Amount of recognition of deferred revenue. Non cancellable loan commitments Off-Balance-Sheet, Credit Loss, Liability Other current assets Other Assets, Current Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] All Trading Arrangements All Trading Arrangements [Member] Other Performance Measure, Amount Other Performance Measure, Amount Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Sameer K. Gandhi [Member] Sameer K. Gandhi Asia Pacific Asia Pacific [Member] Current Fiscal Year End Date Current Fiscal Year End Date Special PSUs Special Performance-Based Stock Units [Member] Special Performance-Based Stock Units Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Total property and equipment, net and operating lease right-of-use assets Long-Lived Asset, Excluding Financial Instrument, Customer Relationship, Mortgage Servicing Right, Deferred Policy Acquisition Cost, and Deferred Tax Asset, Amount Issuance of common stock for payment of board of director fees (in shares) Shares Issued, Shares, Share-Based Payment Arrangement, before Forfeiture Restructuring Reserve [Roll Forward] Restructuring Reserve [Roll Forward] Undiscounted future minimum payments Unrecorded Unconditional Purchase Obligation Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] Entity File Number Entity File Number Schedule of Stock Option Activity Share-Based Payment Arrangement, Option, Activity [Table Text Block] Weighted-Average Exercise Price Per Share Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Measure: Measure [Axis] Schedule of Non-cancelable Purchase Obligations Recorded Unconditional Purchase Obligations [Table Text Block] RSUs and PSUs subject to future vesting RSU And PSU [Member] RSU And PSU Equity Components [Axis] Equity Components [Axis] 2028 Recorded Unconditional Purchase Obligation, to be Paid, Year One Beginning balance Ending balance Total deferred contract acquisition costs Capitalized Contract Cost, Net Professional services contract amortization (in months) Revenue Amortization Over Estimated Benefit For Sales Commission Represents the amortization over an estimated period of benefit for sales commissions associated with professional service contract. Income taxes paid, net of refunds received Income Tax Paid, after Refund Received Class A common stock Class A common stock Common Class A [Member] Entity Interactive Data Current Entity Interactive Data Current Net income (loss) attributable to non-controlling interest Net Income (Loss) Attributable to Noncontrolling Interest Entity Small Business Entity Small Business Total comprehensive income (loss) attributable to CrowdStrike Comprehensive Income (Loss), Net of Tax, Attributable to Parent Weighted-Average Remaining  Useful Life Weighted-average remaining useful life Intangible Asset, Finite-Lived, Acquired, Weighted-Average Amortization Period Property, Plant, and Equipment [Line Items] Property, Plant, and Equipment [Line Items] Germany GERMANY Realized gains recognized on sales of privately held equity securities Equity Securities, FV-NI, Realized Gain Vesting Four Share-Based Payment Arrangement, Tranche Four [Member] Share-Based Payment Arrangement, Tranche Four MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Other long-term assets Other Assets, Noncurrent Document Type Document Type Business acquisitions, net of cash and restricted cash acquired Business acquisitions, net of cash and restricted cash acquired Payments to Acquire Businesses, Net of Cash Acquired 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] Description of Business and Significant Accounting Policies Significant Accounting Policies [Text Block] Options, aggregate intrinsic value Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Intrinsic Value Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Local Phone Number Local Phone Number Deferred revenue, noncurrent Contract with Customer, Liability, Noncurrent Michael Sentonas [Member] Michael Sentonas Income (loss) before provision for income taxes Loss before provision for income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Commitments and contingencies (Note 11) Commitments and Contingencies Debt Instrument, Redemption, Period [Domain] Debt Instrument, Redemption, Period [Domain] Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Property, plant and equipment, gross Property, Plant, and Equipment, before Accumulated Depreciation, Depletion, and Amortization Gerhard Watzinger [Member] Gerhard Watzinger Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] 2031 Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year Four Reclassification out of Accumulated Other Comprehensive Income [Axis] Reclassification out of Accumulated Other Comprehensive Income [Axis] Employee Stock Purchase Plan Accrued Expenses, Employee Stock Purchase Plan Accrued Expenses, Employee Stock Purchase Plan Executive Category: Executive Category [Axis] Liabilities and Stockholders’ Equity Liabilities and Equity [Abstract] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Liabilities accrued Standard and Extended Product Warranty Accrual Purchases of strategic investments Payments to Acquire Long-Term Investments Burt Podbere [Member] Burt Podbere Supplemental disclosure of cash flow information: Supplemental Cash Flow Information [Abstract] Reclassification adjustment for net losses included in net income (loss) Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax PEO Name PEO Name Leasehold improvements Leasehold Improvements [Member] Cash acquired from acquisition Cash Acquired from Acquisition Property, Plant and Equipment, Type [Axis] Long-Lived Asset, Class [Axis] Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Entity Tax Identification Number Entity Tax Identification Number Derivative Instruments and Hedging Activities Disclosures [Table] Derivative Instruments and Hedging Activities Disclosures [Table] Change in net unrealized gains Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax Long-term financing receivables, gross Financing Receivable, before Allowance for Credit Loss, Noncurrent Exercised (in usd per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Accounts payable Increase (Decrease) in Accounts Payable Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code 1 to 4 Internal Risk Rating One To Four [Member] Internal Risk Rating One To Four Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Restricted cash included in prepaid expenses and other current assets Restricted Cash and Cash Equivalent, Current Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Restructuring and related cost, number of positions eliminated Restructuring and Related Cost, Number of Positions Eliminated Debt Instrument [Axis] Debt Instrument [Axis] Stock-based compensation expense Share-Based Payment Arrangement, Noncash Expense Unearned income Financing Receivable, Unearned Income, Current Financing Receivable, Unearned Income, Current Pangea Cyber Corporation Pangea Cyber Corporation [Member] Pangea Cyber Corporation Purchase price, threshold percentage of fair market value (as a percent) Share-Based Compensation Arrangement by Share-Based Payment Award, Purchase Price of Common Stock, Percent Employee Stock Purchase Plan Share purchase rights under the Employee Stock Purchase Plan Employee Stock [Member] Proceeds From Equity Offering, Provided Principal Amount of Redemptions Does Not Exceed 40% Proceeds From Equity Offering, Provided Principal Amount of Redemptions Does Not Exceed 40% [Member] Proceeds From Equity Offering, Provided Principal Amount of Redemptions Does Not Exceed 40% Basic (in usd per share) Net income (loss) per share attributable to CrowdStrike common stockholders, basic (in usd per share) Earnings Per Share, Basic Number of increases in contribution Share-Based Payment Arrangement, Plan Modification, Number Of Contribution Changes Share-Based Payment Arrangement, Plan Modification, Number Of Contribution Changes Total current assets Assets, Current Insider Trading Arrangements [Line Items] Long-term debt Long-Term Debt, Excluding Current Maturities Restructuring Charges, Statement of Income or Comprehensive Income [Extensible Enumeration] Restructuring Charges, Statement of Income or Comprehensive Income [Extensible 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