Revision of Prior Period [Axis] Revision of Prior Period [Axis] Accumulated Amortization Finite-Lived Intangible Assets, Accumulated Amortization Description of Business and Significant Accounting Policies Significant Accounting Policies [Text Block] PSUs Performance-based Stock Units [Member] Performance-based Stock Units Statistical Measurement [Domain] Statistical Measurement [Domain] After February 15, 2026 Debt Instrument, Redemption, Period Four [Member] Initial total cost Other Long-Term Investments, Cost Other Long-Term Investments, Cost Award Timing Predetermined Award Timing Predetermined [Flag] Fiscal 2027 (remaining nine months) Lessee, Operating Lease, Liability, to be Paid, Remainder of Fiscal Year Liabilities accrued Standard and Extended Product Warranty Accrual Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Entity File Number Entity File Number Additional Paid-in Capital Additional Paid-in Capital [Member] Payments of financing costs Payments of Financing Costs Non-Employee Costs Non-Employee Costs [Member] Non Employee Costs Tabular List, Table Tabular List [Table Text Block] Leases [Abstract] Year two, originated, fiscal year before current fiscal year Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year Intangible Asset, Acquired, Finite-Lived [Line Items] Intangible Asset, Acquired, Finite-Lived [Line Items] Recently Adopted and Issued Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Accounts payable Increase (Decrease) in Accounts Payable Type of Restructuring [Domain] Type of Restructuring [Domain] Business combination, consideration transferred, liabilities incurred Business Combination, Consideration Transferred, Liabilities Incurred 3.00% Senior Notes 3.00% Senior Notes [Member] 3.00% Senior Notes Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Basic (in usd per share) Net income (loss) per share attributable to CrowdStrike common stockholders, basic (in usd per share) Earnings Per Share, Basic Adjustment to Compensation: Adjustment to Compensation [Axis] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Revenue, Deferred Revenue and Remaining Performance Obligations Revenue from Contract with Customer [Text Block] Schedule of Stock by Class [Table] Stock, Class of Stock [Table] Other comprehensive income Other comprehensive income Other Comprehensive Income (Loss), Net of Tax Schedule of Segment Reporting Information, by Segment Schedule of Segment Reporting Information, by Segment [Table Text Block] Issuance of common stock under RSU and PSU release (in shares) Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures Transaction price allocated to remaining performance obligations Revenue, Remaining Performance Obligation, Amount Debt Instrument, Redemption, Period [Axis] Debt Instrument, Redemption, Period [Axis] Deferred compensation investments Deferred Compensation Investments [Member] Deferred Compensation Investments Adjustment to Compensation, Amount Adjustment to Compensation Amount Concentration risk (as a percent) Concentration Risk, Percentage Remaining performance obligation, percentage (as a percent) Revenue, Remaining Performance Obligation, Percentage Principles of Consolidation Consolidation, Policy [Policy Text Block] Stock-based compensation expense Share-Based Payment Arrangement, Noncash Expense 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. Stock Options Shares of common stock issuable from stock options Share-Based Payment Arrangement, Option [Member] Capitalized Contract Cost, Amortization Period Capitalized Contract Cost, Amortization Period [Member] Capitalized Contract Cost, Amortization Period Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Loss Contingency Accrual [Roll Forward] Loss Contingency Accrual [Roll Forward] Antidilutive Securities [Axis] Antidilutive Securities [Axis] Payment for underwriting commissions Payment For Underwriting Commissions Payment For Underwriting Commissions Issuance of common stock for payment of board of director fees Shares Issued, Value, Share-Based Payment Arrangement, before Forfeiture Total CrowdStrike Holdings, Inc. stockholders’ equity Equity, Attributable to Parent Measurement Frequency [Axis] Measurement Frequency [Axis] Insider Trading Policies and Procedures [Line Items] Total stock-based compensation expense Share-Based Payment Arrangement, Expense Schedule of Property and Equipment, Net Property, Plant and Equipment [Table Text Block] Common stock, shares authorized (in shares) Common Stock, Shares Authorized Segment Reporting, Asset Reconciling Item [Line Items] Segment Reporting, Asset Reconciling Item [Line Items] Current assets: Assets, Current [Abstract] Movement in Deferred Revenue [Roll Forward] Movement in Deferred Revenue [Roll Forward] Total liabilities and stockholders’ equity Liabilities and Equity Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Recurring Fair Value, Recurring [Member] 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. Schedule of Non-cancelable Purchase Obligations Recorded Unconditional Purchase Obligations [Table Text Block] Issuance of common stock for founders holdbacks related to acquisitions (in shares) Stock Issued During Period, Shares, Acquisitions Number of Shares Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Concentration of Credit Risk and Geographic Information Concentration Risk, Credit Risk, Policy [Policy Text Block] Liabilities and Stockholders’ Equity Liabilities and Equity [Abstract] Cover [Abstract] Percentage of eligible compensation (as a percent) Employee Stock Purchase Plan, Percentage Of Eligible Compensation Annual increase to stock available for issuance as a threshold percentage of outstanding shares of Company's capital stock as of the last day of the immediately preceding fiscal year, under the plan. Cash equivalents Cash and Cash Equivalents, Fair Value Disclosure Maximum Maximum [Member] General and administrative General and Administrative Expense [Member] 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 Useful lives (in years) Estimated economic lives Finite-Lived Intangible Asset, Useful Life Net income (loss) attributable to non-controlling interest Net Income (Loss) Attributable to Noncontrolling Interest Weighted average shares (in shares) Weighted-average shares used in computing net income (loss) per share attributable to CrowdStrike common stock equivalents, basic (in shares) Weighted Average Basic Shares Outstanding, Pro Forma Accounting Policies [Abstract] Accounting Policies [Abstract] Intangible assets, net Net Amount Finite-Lived Intangible Assets, Net Schedule of Future Minimum Payments Under Noncancelable Operating Leases Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block] Concentration Risk Type [Domain] Concentration Risk Type [Domain] Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount 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 Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Deferred contract acquisition costs Increase Decrease in Deferred Contract Acquisition Costs Amount of increase (decrease) in deferred contract acquisition costs. Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Pay vs Performance Disclosure [Line Items] Financing Receivable, Credit Quality Indicator [Table] Financing Receivable, Credit Quality Indicator [Table] Present value of operating lease liabilities Operating Lease, Liability Downward price adjustment Equity Securities without Readily Determinable Fair Value, Downward Price Adjustment, Annual Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Prior to February 15, 2024 Debt Instrument, Redemption, Period One [Member] Accrued payroll and related expenses Accrued Salaries, Current Acquisitions Business Combination [Text Block] Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Income (loss) before provision for income taxes Loss before provision for income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Entity Shell Company Entity Shell Company Other liabilities, noncurrent Other Liabilities, Noncurrent Debt Instrument, Redemption, Period [Domain] Debt Instrument, Redemption, Period [Domain] Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Company Selected Measure Amount Company Selected Measure Amount 2030 Lessee, Operating Lease, Liability, to be Paid, Year Three Less: Comprehensive income (loss) attributable to non-controlling interest Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Line of Credit Facility [Table] Line of Credit Facility [Table] Accrued bonuses Accrued Bonuses, Current Total comprehensive income (loss) attributable to CrowdStrike Comprehensive Income (Loss), Net of Tax, Attributable to Parent Name Measure Name Liability, beginning of the period Liability, end of the period Restructuring Reserve Look back period (in years) Share-Based Compensation Arrangement By Share-Based Payment Award, Award Look Back Period Share-Based Compensation Arrangement By Share-Based Payment Award, Award Look Back Period Distributions to non-controlling interest holders Payments to Noncontrolling Interests Schedule of Stock-based Compensation Expense Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] Operating lease liabilities, current Operating Lease, Liability, Current SGNL.AI, Inc. SGNL.AI, Inc. [Member] SGNL.AI, Inc. Description of Business and Basis of Presentation Class of Stock [Line Items] Subscription term (in years) Subscription Term Subscription Term Document Fiscal Period Focus Document Fiscal Period Focus Revision of Prior Period Financial Statements Error Correction [Text Block] Award Timing Method Award Timing Method [Text Block] 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 Award Type [Axis] Award Type [Axis] Deferred revenue, noncurrent Contract with Customer, Liability, Noncurrent Schedule Of Share Repurchases Schedule Of Share Repurchases [Table Text Block] Schedule Of Share Repurchases Total assets Assets 2028 Finite-Lived Intangible Asset, Expected Amortization, Year One Trading Symbol Trading Symbol 2031 Lessee, Operating Lease, Liability, to be Paid, Year Four Vested (in usd per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Financing Receivable, Credit Quality Indicator [Line Items] Financing Receivable, Credit Quality Indicator [Line Items] Geographical [Domain] Geographical [Domain] Thereafter Finite-Lived Intangible Asset, Expected Amortization, After Year Four Finite-Lived Intangible Asset, Expected Amortization, After Year Four Weighted-average shares used in computing net income (loss) per share attributable to CrowdStrike common stockholders, dilutive (in shares) Pro Forma Weighted Average Shares Outstanding, Diluted Entity Address, City or Town Entity Address, City or Town Operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Data center and other computer equipment Data Center And Other Computer Equipment [Member] Represents the information pertaining to data center and other computer equipment. Weighted-Average Remaining  Useful Life Weighted-average remaining useful life Acquired Finite-Lived Intangible Assets, Weighted Average Useful Life Class of Financing Receivable [Axis] Class of Financing Receivable [Axis] 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 Concentration Risk Type [Axis] Concentration Risk Type [Axis] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Income Statement Location [Domain] Statement of Income Location, Balance [Domain] RSUs Restricted Stock Units (RSUs) [Member] Plus "Make Whole" Premium Plus "Make Whole" Premium [Member] Plus "Make Whole" Premium Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Equipment purchased but not yet placed into service Property, Plant and Equipment, Additions Equity consideration for acquisitions Business Combination, Consideration Transferred Assets Assets, Fair Value Disclosure [Abstract] 2031 Finite-Lived Intangible Asset, Expected Amortization, Year Four Entity Emerging Growth Company Entity Emerging Growth Company Impairment of property and equipment Impairment, Long-Lived Asset, Held-for-Use Entity Common Stock, Shares Outstanding (in shares) Entity Common Stock, Shares Outstanding Beginning balance Ending balance Total deferred contract acquisition costs Capitalized Contract Cost, Net Operating lease liabilities arising from obtaining operating right-of-use assets Right-of-Use Asset Obtained in Exchange for 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 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] Unfunded Loan Commitment Unfunded Loan Commitment [Member] Total revenue Revenue from Contract with Customer, Including Assessed Tax Level 2 Fair Value, Inputs, Level 2 [Member] Restructuring Reserve [Roll Forward] Restructuring Reserve [Roll Forward] Strategic investments Equity Method Investments Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Business Combination [Domain] Business Combination [Domain] Common stock, shares outstanding (in shares) Common Stock, Shares, Outstanding Net tangible liabilities acquired Business Combination, Recognized Asset Acquired to Liability Assumed, Tangible Net Asset (Liability) Business Combination, Recognized Asset Acquired to Liability Assumed, Tangible Net Asset (Liability) Plan Name [Axis] Plan Name [Axis] Other assets Other Assets, Fair Value Disclosure PEO PEO [Member] Pending claims Loss Contingency, Pending Claims, Number Schedule of Revenue from Contracts by Type and Region Disaggregation of Revenue [Table Text Block] Severance and Related Costs Employee Severance [Member] Class of Financing Receivable [Domain] Class of Financing Receivable [Domain] Gains (losses) on strategic investments, net Gain (Loss) On Strategic Investments, Net Gain (Loss) On Strategic Investments, Net Interest income Investment Income, Interest Non-cash operating lease cost Non-cash operating lease cost, amortization and interest Non-cash operating lease cost, amortization and interest Dilutive effect of common stock equivalents (in shares) Earnings Per Share, Diluted, Pro Forma Adjustment Net income (loss) attributable to CrowdStrike Net Income (Loss) Attributable To Parent, Pro Forma Net Income (Loss) Attributable To Parent, Pro Forma United States UNITED STATES 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] Issuance of common stock upon exercise of options Stock Issued During Period, Value, Stock Options Exercised Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] Proceeds from the sale of deferred compensation investments Proceeds From Sales Of Deferred Compensation Investments Proceeds From Sales Of Deferred Compensation Investments Expected stock price volatility Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate Time Deposits Time Deposits Schedule of Expenses Incurred Schedule of Expenses Incurred and Amounts Accrued [Table Text Block] Schedule of Expenses Incurred and Amounts Accrued Accumulated Deficit Retained Earnings [Member] Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Number of days prior to vesting date Number Of Days Prior To Vesting Date Number Of Days Prior To Vesting Date Number of Shares Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Restatement Determination Date Restatement Determination Date Share-based Payment Arrangement [Abstract] Share-Based Payment Arrangement [Abstract] Cash, cash equivalents and restricted cash at beginning of period Cash, cash equivalents, and restricted cash Total cash, cash equivalents and restricted cash shown in the condensed consolidated statements of cash flows Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Income Statement [Abstract] Income Statement [Abstract] Provision (benefit) for income taxes Income tax expense (benefit) Income Tax Expense (Benefit) Class B common stock Common Class B [Member] Preferred stock, shares issued (in shares) Preferred Stock, Shares Issued Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Number of quarterly installments Share Based Compensation Arrangement by Share Based Payment Award Number of Quarterly Installments Number of quarterly installments for share based payment awards. Product and Service [Domain] Product and Service [Domain] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Customers Customer Concentration Risk [Member] Schedule of Deferred Contract Acquisition Costs Capitalized Contract Cost [Table Text Block] Property, plant and equipment, gross Property, Plant and Equipment, Gross Number of end users Number Of End Users Number Of End Users Purchases of strategic investments Payments to Acquire Long-Term Investments Net income (loss) Net income (loss) Net income (loss) Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Non-cancellable purchase commitment Total purchase commitments Recorded Unconditional Purchase Obligation Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Strategic Plan Restructuring and Related Activities Disclosure [Text Block] Schedule of Identifiable Intangible Assets Business Combination, Recognized Asset Acquired and Liability Assumed [Table Text Block] Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Goodwill acquired Goodwill, Acquired During Period Proceeds from issuance of common stock upon exercise of stock options Proceeds from Stock Options Exercised Schedule of Error Corrections and Prior Period Adjustments Schedule of Error Corrections and Prior Period Adjustments [Table Text Block] City Area Code City Area Code 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 Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] All Trading Arrangements All Trading Arrangements [Member] Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Redemption (as a percent) Debt Instrument, Redemption Price, Percentage Accrued expenses Accrued Liabilities, Current Capitalized internal-use software and website development costs Payments to Develop Software RSUs and PSUs outstanding at beginning of period (in shares) RSUs and PSUs outstanding at end of period (in shares) 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] Schedule of Changes in Deferred Revenue Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] General and administrative General and Administrative Expense Total property and equipment, net and operating lease right-of-use assets Long-Lived Assets Total unrecognized stock-based compensation expenses related to unvested options Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Net cash provided by operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Options unvested (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Nonvested, Number of Shares Non-controlling interest Noncontrolling Interest, Period Increase (Decrease) Preferred stock, par value (in usd per share) Preferred Stock, Par or Stated Value Per Share Subsequent Event Subsequent Event [Member] Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Cost of revenue Cost of Sales [Member] Goodwill Goodwill, beginning balance Goodwill, ending balance Goodwill Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] PEO Total Compensation Amount PEO Total Compensation Amount Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Realized gains on strategic investments Gain (Loss) on Investments 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 Money market funds Money Market Funds [Member] After February 15, 2025 Debt Instrument, Redemption, Period Three [Member] Fiscal 2027 (remaining nine months) Finite-Lived Intangible Asset, Expected Amortization, Remainder of Fiscal Year Subscription Subscription and Circulation [Member] Equity Components [Axis] Equity Components [Axis] Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Concentration Risk [Table] Concentration Risk [Table] Capitalization of contract acquisition costs Contract Cost, Capitalization Contract Cost, Capitalization Supplemental disclosure of cash flow information: Supplemental Cash Flow Information [Abstract] Capitalized amount of internal use software Capitalized Computer Software, Additions Restructuring Cost and Reserve [Line Items] Restructuring Cost and Reserve [Line Items] Other Performance Measure, Amount Other Performance Measure, Amount Weighted-Average Exercise Price Per Share Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Entity Address, State or Province Entity Address, State or Province Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Antidilutive Security, Excluded EPS Calculation [Table] Total current liabilities Liabilities, Current Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] Restructuring and related cost, number of positions (as a percent) Restructuring and Related Cost, Number of Positions Eliminated, Period Percent Change in fair value of strategic investments Unrealized losses recognized during the reporting period on privately held equity securities still held at the reporting date Equity Securities, FV-NI, Gain (Loss) Issuance of common stock for restricted stock awards (in shares) Stock Issued During Period, Shares, Restricted Stock Award, Gross Individual: Individual [Axis] Vesting [Axis] Vesting [Axis] 2031 Recorded Unconditional Purchase Obligation, to be Paid, Year Four Net income (loss) per share attributable to CrowdStrike common stockholders: Earnings Per Share Reconciliation [Abstract] Accounting Changes and Error Corrections [Abstract] Other current assets Other Assets, Current Research and development Research and Development Expense [Member] Effect of Change in Accounting Estimate, Type [Axis] Effect of Change in Accounting Estimate, Type [Axis] Net cash used in investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Subscription term (in months) Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Interest paid Interest Paid, Excluding Capitalized Interest, Operating Activity Capital contributions from non-controlling interest holders Proceeds from Noncontrolling Interests Document Fiscal Year Focus Document Fiscal Year Focus Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Proceeds from sales of strategic investments Proceeds from Sale of Long-Term Investments Operating lease right-of-use assets Operating Lease, Right-of-Use Asset Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Short-term financing receivables, net Financing Receivable, after Allowance for Credit Loss, Current Effective tax rate (as a percent) Effective Income Tax Rate Reconciliation, Percent Entity Interactive Data Current Entity Interactive Data Current Realized gains recognized on sales of privately held equity securities Equity Securities, FV-NI, Realized Gain Plan Name [Domain] Plan Name [Domain] Acquisition costs Business Combination, Acquisition-Related Cost, Expense Seraphic Algorithms Ltd Seraphic Algorithms Ltd [Member] Seraphic Algorithms Ltd Expected to be amortized over weighted-average vesting period (in years) Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition 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 Equity [Abstract] Equity [Abstract] Options, aggregate intrinsic value Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Intrinsic Value One End User One End User [Member] One End Users Segment Information Segment Reporting Disclosure [Text Block] Threshold consecutive trading days Threshold Consecutive Trading Days Threshold Consecutive Trading Days Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] 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] U.S. Treasury securities US Treasury Securities [Member] Allowance for credit losses Financing Receivable, Allowance for Credit Loss, Current Vesting Five Share-Based Payment Arrangement, Tranche Five [Member] Share-Based Payment Arrangement, Tranche Five 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] Year one, originated, current fiscal year Financing Receivable, Year One, Originated, Current Fiscal Year Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Contingent consideration related to business combinations Business Combination, Contingent Consideration, Liability Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Amortization of intangible assets Amortization of Intangible Assets Restricted cash included in prepaid expenses and other current assets Restricted Cash and Cash Equivalent, Current 2026 Special PSU Award 2026 Special PSU Award [Member] 2026 Special PSU Award Long-term financing receivables, net Financing Receivable, after Allowance for Credit Loss, Noncurrent Other long-term assets Other Assets, Noncurrent Customers Customer [Domain] Entity Central Index Key Entity Central Index Key PEO Name PEO Name 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. Share repurchase program, additional amount authorized Share Repurchase Program, Additional Amount Authorized Share Repurchase Program, Additional Amount Authorized Schedule of Revenues from External Customers and Long-Lived Assets [Table] Schedule of Revenues from External Customers and Long-Lived Assets [Table] Error Correction [Table] Error Correction [Table] 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] Schedule of Amortized Cost Basis of Financing Receivables Categorized by Internal Risk Rating Financing Receivable Credit Quality Indicators [Table Text Block] Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Arrangement Duration Trading Arrangement Duration Vesting One Share-Based Payment Arrangement, Tranche One [Member] 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 Deferred revenue Contract with Customer, Liability, Current Prepaid expenses and other assets Increase (Decrease) in Prepaid Expense and Other Assets Exercise Price Award Exercise Price Entity Filer Category Entity Filer Category Class of Stock [Domain] Class of Stock [Domain] Local Phone Number Local Phone Number Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Unrecognized stock based compensation expense, unvested RSUs Share-Based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount Subsequent Event Type [Axis] Subsequent Event Type [Axis] 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 Stock-Based Compensation Share-Based Payment Arrangement [Text Block] Repurchases of common stock (in shares) Repurchases of stock (in shares) Stock Repurchased and Retired During Period, Shares Fair value Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Excluding Goodwill Non cancellable loan commitments Off-Balance-Sheet, Credit Loss, Liability Expenses incurred, net of insurance receivable recorded Loss Contingency Accrual, Provision Assets Assets [Abstract] Long-term debt Long-Term Debt, Excluding Current Maturities Percentage of original principal amount (as a percent) Debt Instrument, Redemptions, Percentage of Original Principal Amount Debt Instrument, Redemptions, Percentage of Original Principal Amount Underlying Security Market Price Change Underlying Security Market Price Change, Percent 2030 Finite-Lived Intangible Asset, Expected Amortization, Year Three Vesting [Domain] Vesting [Domain] Total Financing Receivable, before Allowance for Credit Loss Debt Instrument [Axis] Debt Instrument [Axis] 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 Offering period (in months) Employee Stock Purchase Plan Offering Period Represents the duration of offering period under ESPP. Investments and Fair Value Measurements Fair Value Disclosures [Text Block] Gross Carrying Amount Finite-Lived Intangible Assets, Gross Stockholders’ Equity Equity, Attributable to Parent [Abstract] 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] Vesting (as a percent) Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage Entity Address, Address Line One Entity Address, Address Line One Entity Address, Address Line Two Entity Address, Address Line Two Research and development Research and Development Expense Accumulated Other Comprehensive Income AOCI Attributable to Parent [Member] Stated interest rate (as a percent) Debt Instrument, Interest Rate, Stated Percentage Accrued expenses and other liabilities Increase (Decrease) in Accrued Liabilities and Other Operating Liabilities Accounts receivable, allowance for credit losses Accounts Receivable, Allowance for Credit Loss, Current Onum Technology, Inc. Onum Technology, Inc. [Member] Onum Operating lease liabilities, noncurrent Operating Lease, Liability, Noncurrent Equity Incentive Plan 2019 Equity Incentive Plan2019 [Member] Represents information pertaining to 2019 Equity Incentive Plan. Internal Credit Assessment [Axis] Internal Credit Assessment [Axis] Equity consideration for acquisitions Stock Issued Business Combination, Asset Acquisition, Transaction between Entities under Common Control, and Joint Venture Formation [Abstract] Internal Credit Assessment [Domain] Internal Credit Assessment [Domain] Carrying amount, end of period Other Long-Term Investments Fair Value as of Grant Date Award Grant Date Fair Value Entity Registrant Name Entity Registrant Name Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Amortization expense associated with internal use software Capitalized Computer Software, Amortization Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Forfeited (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period After February 15, 2024 Debt Instrument, Redemption, Period Two [Member] Document Quarterly Report Document Quarterly Report Service-based Vesting Service Based Restricted Stock Units Vesting [Member] Represents information pertaining to service based restricted stock units vesting. Additions to deferred revenue Contract with Customer, Liability, Addition to Deferred Revenue Amount of addition in deferred revenue. Total assets Assets, Fair Value Disclosure Revision of Prior Period [Domain] Revision of Prior Period [Domain] Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Basic (in dollars per share) Basic Earnings Per Share, Pro Forma 2029 Lessee, Operating Lease, Liability, to be Paid, Year Two Stock split ratio Stockholders' Equity Note, Stock Split, Conversion Ratio Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] 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 Germany GERMANY 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 Title Trading Arrangement, Individual Title Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Schedule of Intangible Assets, Net Schedule of Finite-Lived Intangible Assets [Table Text Block] Restatement Determination Date: Restatement Determination Date [Axis] Non-PEO NEO Non-PEO NEO [Member] Options outstanding, intrinsic value Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value Number of reporting units Number of Reporting Units Schedule of Restructuring and Related Costs Restructuring and Related Costs [Table Text Block] 2029 Recorded Unconditional Purchase Obligation, to be Paid, Year Two 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 Interest expense, amortization of debt issuance costs and accretion of debt discount Interest Expense, Debt Lease not yet commenced, term of contract (in years) Lessee, Operating Lease, Lease Not yet Commenced, Term of Contract Intellectual property and other acquired intangible assets Other Intangible Assets [Member] Name Trading Arrangement, Individual Name As previously reported Previously Reported [Member] Award Type [Domain] Award Type [Domain] 2028 Lessee, Operating Lease, Liability, to be Paid, Year One Non-controlling interest Equity, Attributable to Noncontrolling Interest Equity Awards Adjustments Equity Awards Adjustments [Member] Leasehold improvements Leasehold Improvements [Member] Non-cash interest expense Other Noncash Income (Expense) Denominator: Denominator [Abstract] Denominator Thereafter Lessee, Operating Lease, Liability, to be Paid, after Year Four Lessee, Operating Lease, Liability, to be Paid, after Year Four Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Compensation Amount Outstanding Recovery Compensation Amount Aggregate principal amount Debt Instrument, Face Amount Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Dividend yield Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Revenue included in the contract liability balance Contract with Customer, Liability, Revenue Recognized Accrued payroll and benefits Increase (Decrease) in Employee Related Liabilities Fair value of replacement equity awards Business Combination, Consideration Transferred, Equity Interest Schedule of Privately Held Equity Securities and Gains and Losses on Strategic Investments Schedule Of Strategic Investments [Table Text Block] Schedule Of Strategic Investments MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Name Awards Close in Time to MNPI Disclosures, Individual Name Payments Payments for Restructuring 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 Fair value of replacement equity awards attributable to pre-acquisition service Adjustments To Additional Paid In Capital, Fair Value Of Replacement Equity Awards Attributable To Pre-Acquisition Service Adjustments To Additional Paid In Capital, Fair Value Of Replacement Equity Awards Attributable To Pre-Acquisition Service Restructuring Type [Axis] Restructuring Type [Axis] Numerator: Numerator [Abstract] Numerator Unrealized loss on cash equivalents and short-term investments, net of tax Other Comprehensive Income (Loss), Unrealized Gain (Loss) On Cash Equivalents And Short-Term Investments, Net Of Tax Other Comprehensive Income (Loss), Unrealized Gain (Loss) On Cash Equivalents And Short-Term Investments, Net Of Tax Weighted-average shares used in computing net income (loss) per share attributable to CrowdStrike common stockholders: Weighted Average Number of Shares Outstanding Reconciliation [Abstract] Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] 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 Debt Redemption Terms [Domain] Debt Redemption Terms [Domain] Debt Redemption Terms [Domain] Employee Stock Purchase Plan Share purchase rights under the Employee Stock Purchase Plan Employee Stock [Member] Revenue Revenues [Abstract] Stock-based compensation expense, net of founder revest APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Accumulated other comprehensive income Accumulated Other Comprehensive Income (Loss), Net of Tax 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 Sales and marketing Selling and Marketing Expense Financial Instruments [Domain] Financial Instruments [Domain] Lessee, Lease, Description [Table] Lessor, Lease, Description [Table] Income Statement Location [Axis] Statement of Income Location, Balance [Axis] Europe, Middle East, and Africa EMEA [Member] Stock-based compensation included in capitalized software development costs and fixed assets Stock-Based Compensation Included In Capitalized Software Development Costs And Fixed Assets Stock-Based Compensation Included In Capitalized Software Development Costs And Fixed Assets Recognition of deferred revenue Contract with Customer, Liability, Recognition of Deferred Revenue Amount of recognition of deferred revenue. Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Developed technology Developed Technology Rights [Member] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Minimum Minimum [Member] Balance Sheet Components Balance Sheet Components [Text Block] The entire disclosure for balance sheet components of the entity. Market condition threshold (in percent) Share Based Compensation Arrangement By Share Based Payment Award Market Condition Threshold Share Based Compensation Arrangement By Share Based Payment Award Market Condition Threshold Less: Accumulated depreciation and amortization Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Cost of revenue Cost of Revenue [Abstract] Company Selected Measure Name Company Selected Measure Name Senior Notes Senior Notes [Member] Schedule of Estimated Aggregate Future Amortization Expense of Intangible Assets Finite-Lived Intangible Assets Amortization Expense [Table Text Block] Debt Debt Disclosure [Text Block] Preferred stock, $0.0005 par value; 100,000 shares authorized as of April 30, 2026 and January 31, 2026; no shares issued and outstanding as of April 30, 2026 and January 31, 2026. Preferred Stock, Value, Issued Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Special PSUs Special Performance-Based Stock Units [Member] Special Performance-Based Stock Units Accounts payable Accounts Payable, Current Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] All Executive Categories All Executive Categories [Member] Text Block [Abstract] Class A common stock, $0.0005 par value; 2,000,000 shares authorized as of April 30, 2026 and January 31, 2026; 254,537 shares and 253,363 shares issued and outstanding as of April 30, 2026 and January 31, 2026, respectively; Class B common stock, $0.0005 par value; 92,364 shares authorized as of April 30, 2026 and January 31, 2026; no shares issued and outstanding as of April 30, 2026 and January 31, 2026. Common Stock, Value, Issued Goodwill [Roll Forward] Goodwill [Roll Forward] Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Vesting Two Share-Based Payment Arrangement, Tranche Two [Member] 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 Commitments and contingencies (Note 10) Commitments and Contingencies Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Cash acquired from acquisition Cash Acquired from Acquisition Acquired finite-lived intangible assets Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Finite-Lived Business Combination [Axis] Business Combination [Axis] Entity Small Business Entity Small Business Voting equity interest acquired (as a percent) Business Combination, Voting Equity Interest Acquired, Percentage Sales and marketing Selling and Marketing Expense [Member] Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Interest and penalties Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense Non-controlling Interest Noncontrolling Interest [Member] Preferred stock, shares outstanding (in shares) Preferred Stock, Shares Outstanding Document Transition Report Document Transition Report RSUs and PSUs subject to future vesting RSU And PSU [Member] RSU And PSU Amounts Loss Contingency Accrual, Disclosures [Abstract] 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. Underlying Securities Award Underlying Securities Amount Concentration Risk [Line Items] Concentration Risk [Line Items] Depreciation and amortization Depreciation And Amortization Excluding Intangible Assets And Deferred Contract Acquisition Costs, Less Loss on Disposal of Fixed Assets Depreciation And Amortization Excluding Intangible Assets And Deferred Contract Acquisition Costs, Less Loss on Disposal of Fixed Assets Equity Component [Domain] Equity Component [Domain] Document Period End Date Document Period End Date PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Cash and Cash Equivalents [Domain] Cash and Cash Equivalents [Domain] Canceled (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures and Expirations in Period Income Taxes Income Tax Disclosure [Text Block] Class A common stock Class A common stock Common Class A [Member] Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Debt instrument, fair value Debt Instrument, Fair Value Disclosure Scenario [Axis] Scenario [Axis] Vesting Four Share-Based Payment Arrangement, Tranche Four [Member] Share-Based Payment Arrangement, Tranche Four Weighted-average remaining contractual term of options vested and exercisable (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term Operating lease liabilities Increase (Decrease) in Operating Lease Liability Total stockholders’ equity Beginning balance Ending balance Equity, Including Portion Attributable to Noncontrolling Interest Document Type Document Type Level 3 Fair Value, Inputs, Level 3 [Member] Net Income (Loss) Per Share Attributable to Common Stockholders Earnings Per Share [Text Block] Name Outstanding Recovery, Individual Name Additional paid-in capital Additional Paid in Capital Product and Service [Axis] Product and Service [Axis] Business Combination, Intangible Asset, Acquired, Finite-Lived [Table] Business Combination, Intangible Asset, Acquired, Finite-Lived [Table] Financing Receivable, Allowance for Credit Loss [Table] Financing Receivable, Allowance for Credit Loss [Table] All Individuals All Individuals [Member] Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Effect of Change in Accounting Estimate, Type [Domain] Effect of Change in Accounting Estimate, Type [Domain] Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Allowance for credit losses Financing Receivable, Allowance for Credit Loss, Noncurrent Purchases of property and equipment Payments to Acquire Property, Plant, and Equipment Options vested and expected to vest at end of period (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number Name Forgone Recovery, Individual Name Total current assets Assets, Current Statistical Measurement [Axis] Statistical Measurement [Axis] 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] Authorized share repurchase amount Share Repurchase Program, Authorized, Amount Beginning balance Ending balance Loss Contingency Accrual Canceled (in usd per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price Threshold percentage of outstanding shares Share-Based Compensation Arrangement by Share-Based Payment Award, Percentage of Outstanding Stock Maximum Error Corrections and Prior Period Adjustments Restatement [Line Items] Error Corrections and Prior Period Adjustments Restatement [Line Items] Number of lawsuits Loss Contingency, New Claims Filed, Number Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount 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 Foreign currency translation Goodwill, Foreign Currency Translation, Gain (Loss) Options exercised, intrinsic value Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period, Intrinsic Value Employee Stock Purchase Plan Accrued Expenses, Employee Stock Purchase Plan Accrued Expenses, Employee Stock Purchase Plan Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Schedule of Finite-Lived Intangible Assets [Table] Intangible Asset, Finite-Lived [Table] Current liabilities: Liabilities, Current [Abstract] Business combination, preacquisition equity interest in acquiree, percentage Business Combination, Achieved in Stages, Preacquisition Equity Interest in Acquiree, Percentage Line of Credit Facility [Line Items] Line of Credit Facility [Line Items] Geographical [Axis] Geographical [Axis] Lessee, Lease, Description [Line Items] Lessee, Lease, Description [Line Items] Total operating expenses Total operating expenses Operating Expenses Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Schedule of Subsequent Events Schedule of Subsequent Events [Table Text Block] 2027 Special PSU Award 2027 Special PSU Award [Member] 2027 Special PSU Award Level 1 Fair Value, Inputs, Level 1 [Member] Beginning balance (in shares) Ending balance (in shares) Shares, Outstanding Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] Unearned income Financing Receivable, Unearned Income, Noncurrent Financing Receivable, Unearned Income, Noncurrent Asia Pacific Asia Pacific [Member] Diluted (in usd per share) Net income (loss) per share attributable to CrowdStrike common stockholders, diluted (in usd per share) Earnings Per Share, Diluted Forecast Forecast [Member] Accrued Payroll and Benefits Employee-related Liabilities, Current [Abstract] Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Accounts receivable, net of allowance for credit losses of $3.1 million and $3.0 million as of April 30, 2026 and January 31, 2026, respectively Accounts Receivable, after Allowance for Credit Loss, Current Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Title of 12(b) Security Title of 12(b) Security Supplemental disclosure of non-cash investing and financing activities: Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Decrease in sales commission expense Amortization of deferred contract acquisition costs Capitalized Contract Cost, Amortization Other comprehensive income: Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract] Accrued commissions Accrued Sales Commission, Current Earnings Per Share [Abstract] Earnings Per Share [Abstract] Unrealized losses recognized on privately held equity securities, including impairment Equity Securities, FV-NI, Unrealized Loss 1 to 4 Internal Risk Rating One To Four [Member] Internal Risk Rating One To Four Gross profit Gross Profit Gross Profit 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] RSUs and PSUs expected to vest (in shares) Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Vested And Expected To Vest Number Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Vested And Expected To Vest Number Repurchases of common stock Repurchases of stock Stock Repurchased and Retired During Period, Value Deferred revenue Increase (Decrease) in Contract with Customer, Liability Unearned income Financing Receivable, Unearned Income, Current Financing Receivable, Unearned Income, Current Pangea Cyber Corporation Pangea Cyber Corporation [Member] Pangea Cyber Corporation Less: imputed interest Lessee, Operating Lease, Liability, Undiscounted Excess Amount Diluted (in dollars per share) Diluted Earnings Per Share Pro Forma Other Other countries Other Countries [Member] other countries Financing Receivable, Allowance for Credit Loss [Line Items] Financing Receivable, Allowance for Credit Loss [Line Items] Contract with Customer, Liability [Table] Contract with Customer, Liability [Table] Disclosure of information about contract with customer, liability. Income taxes paid, net of refunds received Income Taxes Paid, Net 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% Exercised (in usd per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price 2029 Finite-Lived Intangible Asset, Expected Amortization, Year Two 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 Award Timing Disclosures [Line Items] Gain on remeasurement of previously held equity interest Business Combination, Achieved in Stages, Preacquisition Equity Interest in Acquiree, Remeasurement, Gain Granted (in usd per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Measurement Frequency [Domain] Measurement Frequency [Domain] Accrued payroll and benefits Accrued payroll and benefits Employee payroll contributions accrued Employee-related Liabilities, Current Payment terms Revenue, Contract Liabilities, Payment Terms Revenue, Contract Liabilities, Payment Terms Total operating lease payments Lessee, Operating Lease, Liability, to be Paid Share Repurchases Equity [Text Block] Deferred contract acquisition costs, current Deferred contract acquisition costs, current Capitalized Contract Cost, Net, Current Year three, originated, fiscal year before current fiscal year Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year Amortization of deferred contract acquisition costs Amortization of Deferred Contract Acquisition Costs Amount of amortization of deferred contract acquisition costs recognized in the income statement. Net income (loss) attributable to CrowdStrike Net income (loss) attributable to CrowdStrike Net Income (Loss) Attributable to Parent Subsequent Event [Table] Subsequent Event [Table] Expiration Date Trading Arrangement Expiration Date Construction in progress Construction in Progress [Member] Unrealized losses Equity Securities, FV-NI, Unrealized Gain (Loss) Vesting period (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period Property and equipment, net Property and equipment, net Property, Plant and Equipment, Net Long-term financing receivables, gross Financing Receivable, before Allowance for Credit Loss, Noncurrent Preferred stock, shares authorized (in shares) Preferred Stock, Shares Authorized Restricted cash held in escrow for purchase consideration for business combinations Escrow Deposit Disbursements Related to Property Acquisition Repurchases of common stock Payments for Repurchase of Common Stock Adoption Date Trading Arrangement Adoption Date Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Accounts receivable, net Increase (Decrease) in Accounts Receivable Restructuring Cost [Table] Restructuring Cost [Table] Entity Current Reporting Status Entity Current Reporting Status Receivables [Abstract] Customer [Axis] Customer [Axis] Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Customer relationships Customer Relationships [Member] Loss from operations Loss from operations Operating Income (Loss) Accumulated deficit Accumulated deficit Retained Earnings (Accumulated Deficit) Shares issued Business Combination, Contingent Consideration, Shares Issued Business Combination, Contingent Consideration, Shares Issued Schedule of RSU, PSU and Special PSU Awards Activity Share-Based Payment Arrangement, Restricted Stock Unit, Performance Stock Unit, And Special Performance Stock Unit Award, Activity [Table Text Block] Share-Based Payment Arrangement, Restricted Stock Unit, Performance Stock Unit, And Special Performance Stock Unit Award, Activity Financial Instrument [Axis] Financial Instrument [Axis] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] Executive Category: Executive Category [Axis] 2028 Recorded Unconditional Purchase Obligation, to be Paid, Year One Class of Stock [Axis] Class of Stock [Axis] Current Fiscal Year End Date Current Fiscal Year End Date Adjustments Revision of Prior Period, Error Correction, Adjustment [Member] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Expected term (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term Cumulative net gains Other Long-Term Investments, Gain (Loss) Other Long-Term Investments, Gain (Loss) Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] 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] Schedule of Short-term and Long-term Financing Receivables Schedule of Accounts, Notes, Loans and Financing Receivable [Table 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] Other income (expense), net Other Nonoperating Income (Expense) Statement [Table] Statement [Table] 2030 Recorded Unconditional Purchase Obligation, to be Paid, Year Three Restructuring and related cost, number of positions eliminated Restructuring and Related Cost, Number of Positions Eliminated Deferred income taxes Deferred Income Tax Expense (Benefit) 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] Weighted-average grant date fair value of options granted (in usd per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Capitalized stock-based compensation Adjustments To Additional Paid In Capital, Capitalized Share Based Compensation Requisite Service Period Recognition Value Amount of increase to additional paid-in capital (APIC) for recognition of capitalized cost for award under share-based payment arrangement. Short-term financing receivables, gross Financing Receivable, before Allowance for Credit Loss, Current Beginning balance Ending balance Contract with Customer, Liability Schedule of Financial Assets and Liabilities that are Measured at Fair Value on a Recurring Basis Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Debt Redemption Terms [Axis] Debt Redemption Terms [Axis] Debt Redemption Terms Issuance of common stock for founders holdbacks related to acquisitions Stock Issued During Period, Value, Acquisitions Net tangible assets acquired Business Combination, Recognized Asset Acquired to Liability Assumed, Excess (Less) Gross unrecognized tax benefits Unrecognized Tax Benefits Proceeds from issuance of senior notes, net of debt financing costs Proceeds from Debt, Net of Issuance Costs Potential common shares excluded from diluted net income per share (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Undiscounted future minimum payments Unrecorded Unconditional Purchase Obligation All Adjustments to Compensation All Adjustments to Compensation [Member] Remeasurement of previously held equity interest, fair value Business Combination, Acquisition of Less than 100 Percent, Noncontrolling Interest, Fair Value Amendment Flag Amendment Flag Shares authorized (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized Capitalized Contract Cost [Roll Forward] Capitalized Contract Cost [Roll Forward] Capitalized Contract Cost Capitalized internal-use software and website development costs Software Development [Member] Percentage of revenue Percentage of Revenue Represents the percentage of revenue. Leases Lessee, Operating Leases [Text Block] Termination Date Trading Arrangement Termination Date Net cash provided by (used in) financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Measure: Measure [Axis] Professional services Professional Services [Member] Refers to Professional services Vesting Three Share-Based Payment Arrangement, Tranche Three [Member] Schedule of Stock Option Activity Share-Based Payment Arrangement, Option, Activity [Table Text Block] Performance adjustment (in usd per share) Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other than Options, Performance Adjustment, Weighted Average Grant Date Fair Value Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other than Options, Performance Adjustment, Weighted Average Grant Date Fair Value Property, Plant and Equipment, Type [Domain] Long-Lived Tangible Asset [Domain] Issuance of common stock under RSU and PSU release Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures 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 Share repurchase program, remaining authorized, amount Share Repurchase Program, Remaining Authorized, Amount Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table] Total cost of revenue Cost of Product and Service Sold Unrecognized tax benefits including interest and penalties that would affect effective tax rate Unrecognized Tax Benefits that Would Impact Effective Tax Rate Schedule of Earnings Per Share, Basic and Diluted Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Restricted cash included in other long-term assets Restricted Cash and Cash Equivalent, Noncurrent Options exercisable at end of period (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number Subsequent Events [Abstract] Segment Reporting [Abstract] Purchased software Purchased Software [Member] Purchased software for sale, licensing or long-term use. Impairment loss Capitalized Contract Cost, Impairment Loss Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] 5 to 6 Internal Risk Rating Five To Six [Member] Internal Risk Rating Five To Six Debt Disclosure [Abstract] Debt Disclosure [Abstract] Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Risk-free interest rate Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Entity Tax Identification Number Entity Tax Identification Number Scenario [Domain] Scenario [Domain] Deferred contract acquisition costs, noncurrent Deferred contract acquisition costs, noncurrent Capitalized Contract Cost, Net, Noncurrent Weighted average price (in usd per share) Business Combination, Contingent Consideration, Weighted Average Share Price Business Combination, Contingent Consideration, Weighted Average Share Price Two End Users Two End Users [Member] Two End Users Options outstanding at beginning of period (in usd per share) Options outstanding at end of period (in usd per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price Restructuring and Related Activities [Abstract] Proceeds from sales of strategic investments not yet received Proceeds From Sales Of Strategic Investments Not Yet Received Proceeds From Sales Of Strategic Investments Not Yet Received Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Stock Based Compensation Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Common stock, par value (in usd per share) Common Stock, Par or Stated Value Per Share Common stock, shares issued (in shares) Common Stock, Shares, Issued Realized gains Equity Securities, FV-NI, Realized Gain (Loss) Duration of purchase periods (in months) Employee Stock Purchase Plan, Duration Of Purchase Period Represents the duration of purchase period under ESPP. Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross Fiscal 2027 (remaining nine months) Recorded Unconditional Purchase Obligation, to be Paid, Remainder of Fiscal Year Financing Receivable Financing Receivable [Member] Use of Estimates Use of Estimates, Policy [Policy Text Block] Schedule of Goodwill Schedule of Goodwill [Table Text Block] Interest expense Interest Expense, Nonoperating Trading Arrangement: Trading Arrangement [Axis] Total Shareholder Return Amount Total Shareholder Return Amount Furniture and equipment Furniture And Equipment [Member] Represents the information pertaining to furniture and equipment. Upward price adjustment Equity Securities without Readily Determinable Fair Value, Upward Price Adjustment, Annual Amount Subsequent Event Subsequent Events [Text Block] Foreign currency translation adjustments Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Insider Trading Arrangements [Line Items] Security Exchange Name Security Exchange Name 7 to 9 Internal Risk Rating Seven To Nine [Member] Internal Risk Rating Seven To Nine Total liabilities Liabilities Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Cash and Cash Equivalents [Axis] Cash and Cash Equivalents [Axis] Net increase (decrease) in property and equipment included in accounts payable and accrued expenses Capital Expenditures Incurred (Paid) Capital Expenditures Incurred (Paid) Schedule of Accrued Payroll and Benefits Summary Of Accrued Payroll And Benefits [Table Text Block] Summary Of Accrued Payroll And Benefits Financing Receivables Financing Receivables [Text Block] Net book value of capitalized internal use software Capitalized Computer Software, Net Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Payments made / cash received Loss Contingency Accrual, Payments Prepaid expense Prepaid Expense, Current Operating expenses Operating Expenses [Abstract] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Other current liabilities Other Liabilities, Current Equity interest Business Combination, Achieved in Stages, Preacquisition Equity Interest in Acquiree, Fair Value Maximum number of shares each participant can purchase during purchase period (in shares) Maximum Number Of Shares Each Participant Can Purchase During Purchase Period Annual increase to stock available for issuance as a threshold percentage of outstanding shares of Company's capital stock as of the last day of the immediately preceding fiscal year, under the plan. Statement [Line Items] Statement [Line Items] Number of purchase periods Employee Stock Purchase Plan, Number Of Purchase Period Represents the number of purchase periods under ESPP. Change of control event Debt Instrument, Redemption, Period Five [Member] Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Cash and cash equivalents Cash and cash equivalents Cash and Cash Equivalent Subsequent Event [Line Items] Subsequent Event [Line Items] Common Stock Common Stock [Member] Released (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Purchases of deferred compensation investments Payments To Acquire of Deferred Compensation Investments Payments To Acquire of Deferred Compensation Investments Non-NEOs Non-NEOs [Member] 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 Dilutive effect of common stock equivalents (in shares) Weighted Average Number of Shares Outstanding, Diluted, Adjustment