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Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Cover [Abstract] Reclassifications Reclassification, Comparability Adjustment [Policy Text Block] Concentration risk Concentration Risk, Percentage Equity Awards Adjustments Equity Awards Adjustments [Member] Remote Remote [Member] Remote Other current and non-current liabilities Increase (Decrease) in Other Operating Liabilities Plan Name [Axis] Plan Name [Axis] Other income, net Other Nonoperating Income (Expense) Forfeited (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Number of potential shares (in shares) Debt Instrument, Convertible, Number of Potential Shares Debt Instrument, Convertible, Number of Potential Shares General and administrative General and Administrative Expense RHM March 2026 Credit Agreement RHM March 2026 Credit Agreement [Member] RHM March 2026 Credit Agreement Purchases of credit card receivables by Credit Card Funding Trust Payments to Acquire Receivables Preferred stock, shares authorized (in shares) Preferred Stock, Shares Authorized Loss contingency, pending claims, number Loss Contingency, Pending Claims, Number Less: Net income (loss) attributable to non-controlling interests Less: Net income attributable to non-controlling interests Net Income (Loss) Attributable to Redeemable Noncontrolling Interest Class of Stock [Domain] Class of Stock [Domain] Statement of Cash Flows [Abstract] Below 640 FICO Score, Less Than 640 [Member] FICO Score, Less Than 640 User-held fractional shares Equity Securities, User-Held Fractional Shares [Member] Equity Securities, User-Held Fractional Shares Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Net amount Security Borrowed, Including Not Subject to Master Netting Arrangement, after Offset and Deduction INCOME TAXES Income Tax Disclosure [Text Block] Non-controlling interests recognized in connection with business combination Noncontrolling Interest, Increase from Business Combination Barclays, SVB, Wells Fargo, Truist Bank, Goldman Sachs, and Mizuho Arragements Barclays, SVB, Wells Fargo, Truist Bank, Goldman Sachs, and Mizuho Arragements [Member] Barclays, SVB, Wells Fargo, Truist Bank, Goldman Sachs, and Mizuho Arragements Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Consideration transferred Business Combination, Consideration Transferred Entity Filer Category Entity Filer Category Purchase of Capped Calls APIC, Purchase Of Capped Calls APIC, Purchase Of Capped Calls Capitalization of internally developed software Payments to Develop Software Subsidiary or Equity Method Investee, Sale of Stock [Table] Subsidiary or Equity Method Investee, Sale of Stock [Table] Schedule of liabilities Subject to Master Netting Arrangement Offsetting Liabilities [Table Text Block] Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Financial Asset, Aging [Axis] Financial Asset, Aging [Axis] Contract with Customer, Receivable, Allowance for Credit Loss [Roll Forward] Contract with Customer, Asset, Allowance for Credit Loss [Roll Forward] Schedule of Stock by Class [Table] Stock, Class of Stock [Table] Current assets: Assets, Current [Abstract] Entity Address, Street Entity Address, Address Line One Vested (in dollars 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 Option to purchase half of the outstanding interest Business Combination, Ownership Percentage Held By Non-Controlling Interests, Option To Purchase Term Business Combination, Ownership Percentage Held By Non-Controlling Interests, Option To Purchase Term Provision for income taxes Income Tax Expense (Benefit) Number of voting rights per share Common Stock, Voting Rights, Number of Votes Common Stock, Voting Rights, Number of Votes Investments in and Advances to Affiliates, at Fair Value [Roll Forward] Investments in and Advances to Affiliates, at Fair Value [Roll Forward] Loss Contingency, Nature [Domain] Loss Contingency, Nature [Domain] Consolidation Consolidation, Policy [Policy Text Block] Robinhood Credit Variable Interest Entity, Primary Beneficiary [Member] Securities lending, net Securities Lending, Net [Member] Securities Lending, Net RECENT ACCOUNTING PRONOUNCEMENTS Accounting Standards Update and Change in Accounting Principle [Text Block] Unamortized debt issuance costs Unamortized Debt Issuance Expense Statement [Table] Statement [Table] Proceeds from issuance of RVI common stock in connection with initial public offering, net of offering costs Proceeds from Issuance Initial Public Offering Proceeds from exercise of stock options Proceeds from Stock Options Exercised Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table] Other Other Revenue [Member] Other Revenue Fair value of securities borrowed from users and third parties Fair value of securities borrowed from users and third parties Security Borrowed, Subject to Master Netting Arrangement, Collateral, Obligation to Return Cash Not Offset Schedule of Contract Receivables and Liabilities Balances Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Cash and Cash Equivalents [Axis] Cash and Cash Equivalents [Axis] Recoveries Accounts Receivable, Allowance for Credit Loss, Recovery