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For these awards the non-employee director has satisfied the service or performance criteria necessary to gain title to the underlying shares but will not receive the shares until separation from the board. Investment Management Investment Advice [Member] Stock compensation plan Share-Based Payment Arrangement [Member] Net shares issued upon vesting of restricted stock units Share-Based Payment Arrangement, Decrease for Tax Withholding Obligation Third quarter 2026 Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost To Be Recognized Quarter Three Of Next Fiscal Year Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost To Be Recognized Quarter Three Of Next Fiscal Year Condensed Cash Flow Statement [Table] Condensed Cash Flow Statement [Table] Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Basic (in dollars per share) Earnings Per Share, Basic Adjustment to Compensation: Adjustment to Compensation [Axis] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Shares of common stock authorized for issuance (in shares) Common Stock, Capital Shares Reserved for Future Issuance Total deferred tax assets Deferred Tax Assets, Gross Total other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax Change in valuation allowances Deferred Income Tax Expense (Benefit), Related To Change In Valuation Allowance Deferred Income Tax Expense (Benefit), Related To Change In Valuation Allowance SEGMENT REPORTING Schedule of Segment Reporting Information, by Segment [Table Text Block] Intangible Asset, Indefinite-Lived [Table] Intangible Asset, Indefinite-Lived [Table] Adjustment to Compensation, Amount Adjustment to Compensation Amount Concentration risk Concentration Risk, Percentage Consolidation Consolidation, Policy [Policy Text Block] Stock-based compensation expense Share-Based Payment Arrangement, Noncash Expense Indefinite-Lived Intangible Assets [Line Items] Indefinite-Lived Intangible Assets [Line Items] Options Share-Based Payment Arrangement, Option [Member] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] General, administrative, and other costs Other General and Administrative Expense Cash equivalents Cash and Cash Equivalents, Policy [Policy Text Block] Variable interest entities Consolidated investment products - variable interest entities Variable Interest Entity, Primary Beneficiary [Member] Percent Effective Income Tax Rate Reconciliation, Percent [Abstract] Fixed income, including money market Fixed Income, Including Money Market [Member] Fixed Income, Including Money Market [Member] Total stockholders' equity attributable to T. Rowe Price Group Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Equity, Attributable to Parent Accrued, deferred, and long-term incentive compensation Deferred Tax Assets, Tax Deferred Expense, Accrued, Deferred, And Long-term Incentive Compensation Deferred Tax Assets, Tax Deferred Expense, Accrued, Deferred, And Long-term Incentive Compensation Measurement Frequency [Axis] Measurement Frequency [Axis] Insider Trading Policies and Procedures [Line Items] Stock-based compensation expense Share-Based Payment Arrangement, Expense Schedule of Property, Equipment and Software Property, Plant and Equipment [Table Text Block] Common stock, shares authorized (in shares) Common Stock, Shares Authorized Schedule of Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits, by Title of Individual and by Type of Deferred Compensation [Table] Deferred Compensation Arrangement with Individual, Excluding Share-Based Payment and Postretirement Benefit [Table] Goodwill and Intangible Assets Disclosure [Abstract] Total liabilities, redeemable non-controlling interests, and permanent stockholders' equity Liabilities and Equity Fair value, measurements, recurring Fair Value, Recurring [Member] Options Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Concentration of risk Concentration Risk, Credit Risk, Policy [Policy Text Block] Amortization and impairment of acquisition-related assets and retention arrangements Amortization Of Acquisition Related Assets And Retention Arrangements Amortization of acquisition-related assets and retention arrangements Unfunded capital commitments Variable Interest Entity, Reporting Entity Involvement, Maximum Loss Exposure, Unfunded Capital Commitments, Amount Variable Interest Entity, Reporting Entity Involvement, Maximum Loss Exposure, Unfunded Capital Commitments, Amount Cover [Abstract] Cover [Abstract] Cash equivalents held in money market funds Cash equivalents Cash and Cash Equivalents, Fair Value Disclosure Other Deferred Tax Assets, Other Maximum Maximum [Member] Remaining weighted-average estimated useful life in years Finite-Lived Intangible Asset, Useful Life Percentage of long term investments purchased Percent Of Collateralized Loan Obligations Invested Vertical Strips Percent Of Collateralized Loan Obligations Invested Vertical Strips Common shares authorized for future repurchase (shares) Share Repurchase Program, Remaining Authorized, Number of Shares Net interest payable related to unrecognized tax benefits Unrecognized Tax Benefits, Interest on Income Taxes Accrued Definite-lived intangible assets - investment advisory agreements Net carrying amount Finite-Lived Intangible Assets, Net Performance-Based Restricted Stock Units Performance-Based Restricted Stock Units [Member] Performance-Based Restricted Stock Units Schedule of Future Minimum Lease Payments Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block] Concentration Risk Type [Domain] Concentration Risk Type [Domain] Restricted shares Restricted Stock [Member] Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Changes in tax positions related to Unrecognized Tax Benefits, Changes In Tax Position Related To [Abstract] Unrecognized Tax Benefits, Changes In Tax Position Related To [Abstract] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Schedule of Roll Forward of Nonvested Restricted Shares and Restricted Stock Units Share-Based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block] Schedule of Cash flows of Consolidated T. Rowe Price Investment Portfolios Consolidated Sponsored Investment Portfolios Condensed Cash Flow Statement [Table Text Block] Tabular disclosure of condensed cash flow statement of consolidated sponsored investment portfolios. 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Rowe Price Group Comprehensive Income (Loss), Net of Tax, Attributable to Parent Expired (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price Net tax benefits increase (decrease) Effective Income Tax Rate Reconciliation, Share-based Compensation, Excess Tax Benefit (Tax Shortfall), Amount Effective Income Tax Rate Reconciliation, Share-based Compensation, Excess Tax Benefit (Tax Shortfall), Amount Name Measure Name Restructuring reserve Restructuring Reserve Information about Receivables, Revenues, and Services [Abstract] Information about Receivables, Revenues, and Services [Abstract] Information about Receivables, Revenues, and Services Director plans Director Plans [Member] Director Plans Accrued, deferred, and long-term incentive compensation Deferred Income Tax Expense (Benefit), Related to Accrued, Deferred, and Long-term Incentive Compensation Deferred Income Tax Expense (Benefit), Related to Accrued, Deferred, and Long-term Incentive Compensation Document Fiscal Period Focus Document Fiscal Period Focus Total Intangible Assets, Net (Including Goodwill) Minimum employment period for lump sum payment Deferred Compensation Arrangement With Individual, Minimum Employment Period For Lump Sum Payment Deferred Compensation Arrangement With Individual, Minimum Employment Period For Lump Sum Payment Award Timing Method Award Timing Method [Text Block] Furniture and other equipment Furniture and Fixtures [Member] Award Type [Axis] Award Type [Axis] Currency translation adjustments Currency translation adjustments Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Schedule of Impact of the Components of Other Comprehensive Income on Deferred Tax Benefits (income Taxes) Comprehensive Income (Loss) [Table Text Block] Total assets Assets Assets Investment, Name [Domain] Investment, Name [Domain] Long-term incentive compensation Share-Based Payment Arrangement [Policy Text Block] 2026 Finite-Lived Intangible Asset, Expected Amortization, Year One Trading Symbol Trading Symbol 2029 Lessee, Operating Lease, Liability, to be Paid, Year Four Investment carrying values Variable Interest Entity, Reporting Entity Involvement, Maximum Loss Exposure, Investment Carrying Values, Amount Variable Interest Entity, Reporting Entity Involvement, Maximum Loss Exposure, Investment Carrying Values, Amount 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 Geographical [Domain] Geographical [Domain] United Kingdom: changes in valuation allowances Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent Investments in affiliated private investment funds - seed/co-investment Investments In Affiliated Private Investment Funds - Seed Co Investment [Member] Investments In Affiliated Private Investment Funds - Seed Co Investment [Member] Schedule of Goodwill and Intangible Assets Schedule of Intangible Assets and Goodwill [Table Text Block] Operating lease assets Deferred Income Tax Expense (Benefit), Related to Operating Lease Assets Deferred Income Tax Expense (Benefit), Related to Operating Lease Assets Entity Address, City or Town Entity Address, City or Town Cash flows from operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Amortization of grant date value Deferred Compensation Arrangement With Individual, Amortization Of Grant Date Value Deferred Compensation Arrangement With Individual, Amortization Of Grant Date Value Net gains recognized on investments Net Gains (Losses) Recognized On Investments Net Gains (Losses) Recognized On Investments Consolidated investment products—variable interest entities Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss), before Reclassification and Tax Effect of exchange rate changes on cash and cash equivalents of consolidated investment products Effect of exchange rate changes on cash and cash equivalents of consolidated investment products Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Total deferred tax assets, net of valuation allowances Deferred Tax Assets, Net of Valuation Allowance Concentration Risk Type [Axis] Concentration Risk Type [Axis] Schedule of Operating Results of Consolidated T. Rowe Price Investment Portfolios Consolidated Sponsored Investment Portfolios Condensed Income Statement [Table Text Block] Tabular disclosure of condensed income statement for consolidated sponsored investment portfolios. Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Schedule of Deferred Compensation Arrangement with Individual Schedule Of Deferred Compensation Arrangement With Individual [Table Text Block] Schedule Of Deferred Compensation Arrangement With Individual Schedule of Net Assets of Consolidated T. Rowe Price Investment Portfolios Consolidated Sponsored Investment Portfolios Condensed Balance Sheet [Table Text Block] Tabular disclosure of condensed balance sheet for consolidated sponsored investment portfolios. Restricted stock units Restricted Stock Units (RSUs) [Member] Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Compensation and related costs Property, Plant and Equipment, Additions Schedule of Intangible Assets and Goodwill [Table] Schedule of Intangible Assets and Goodwill [Table] Schedule of Intangible Assets and Goodwill [Table] 2029 Finite-Lived Intangible Asset, Expected Amortization, Year Four Variable Interest Entity [Line Items] Variable Interest Entity [Line Items] Entity Emerging Growth Company Entity Emerging Growth Company Other investments Other Investments Cash dividends declared per share (in dollars per share) Common Stock, Dividends, Per Share, Declared Entity Common Stock, Shares Outstanding ( in shares) Entity Common Stock, Shares Outstanding Options outstanding (in shares) Outstanding, beginning balance (in shares) Outstanding, ending balance (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] Level 2 Level 2 Fair Value, Inputs, Level 2 [Member] Document Financial Statement Error Correction [Flag] Document Financial Statement Error Correction [Flag] State and local income taxes, net of federal effect Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount Equity method 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] Indefinite-lived intangible assets - trade name Indefinite-Lived Intangible Assets (Excluding Goodwill) Common stock, shares outstanding (in shares) Common Stock, Shares, Outstanding Schedules of Provision for Income Taxes and Deferred Income Taxes (Tax Benefits) Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Plan Name [Axis] Plan Name [Axis] Property, equipment and software Property, Plant and Equipment, Policy [Policy Text Block] PEO PEO [Member] Dispositions of sponsored investment products Proceeds from Sale, Maturity and Collection of Investments Investment advisory agreements Investment Advisory Agreements [Member] Investment Advisory Agreements [Member] Current income taxes Current Income Tax Expense (Benefit), Continuing Operations [Abstract] Valuation allowance, deferred tax asset, increase (decrease), amount Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount Shares issued upon option exercises 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] United Kingdom: changes in valuation allowances Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount Property, equipment and software Deferred Tax Liabilities, Property, Plant and Equipment Schedule of Finite-Lived Intangible Assets, Future Amortization Expense Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Intangible assets Intangible Assets, Finite-Lived, Policy [Policy Text Block] Income Tax Jurisdiction [Axis] Income Tax Jurisdiction [Axis] Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] 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 and cash equivalents at beginning of year Cash and cash equivalents at end of year Cash and cash equivalents Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Income Statement [Abstract] Income Statement [Abstract] Revenue and Services [Line Items] Revenue and Services [Line Items] Revenue and Services [Line Items] Provision for income taxes Effective income tax Income Tax Expense (Benefit) Other assets Other assets Other Assets Deferral percentage of cash incentive compensation Deferred Compensation Arrangement with Individual, Cash Awards Granted, Percentage Deferred Deferred Compensation Arrangement with Individual, Cash Awards Granted, Percentage Deferred Discretionary investments Sponsored Investment Portfolios, Discretionary Investments [Member] Sponsored Investment Portfolios, Discretionary Investments Equity securities Investments, Fair Value Disclosure Intangible assets, net Intangible Assets, Net (Excluding Goodwill) Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Number of investment advisory business Number Of Investment Advisory Business Number Of Investment Advisory Business Product and Service [Domain] Product and Service [Domain] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Secured debt, repurchase agreements Secured Debt, Repurchase Agreements INFORMATION ABOUT RECEIVABLES, REVENUES, AND SERVICES Information About Receivables Revenues And Services [Text Block] Information About Receivables Revenues And Services [Text Block] Property and equipment, gross Property, Plant and Equipment, Gross Total stockholders’ equity attributable to T. Rowe Price Group Parent [Member] Net income Net income Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Liabilities Liabilities, Fair Value Disclosure Business Combination [Table] Business Combination [Table] Subsidiary or Equity Method Investee, Sale of Stock [Table] Subsidiary or Equity Method Investee, Sale of Stock [Table] Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Condensed Cash Flow Statements, Captions [Line Items] Condensed Cash Flow Statements, Captions [Line Items] Investment advisory fees Asset Management [Member] RESTRUCTURING CHARGE Restructuring and Related Activities Disclosure [Text Block] Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Number of performance obligations Number Of Performance Obligations Number Of Performance Obligations City Area Code City Area Code Property, equipment and software Deferred Income Tax Expense (Benefit), Related to Property, Equipment And Software Deferred Income Tax Expense (Benefit), Related to Property, Equipment And Software Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] U.S. federal taxes Income Tax Paid, Federal, after Refund Received Multi-asset Multi-Asset [Member] Multi-Asset Buildings and improvements Building and Building Improvements [Member] INVESTMENTS Investment [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] Other Effective Income Tax Rate Reconciliation, Other Adjustments, Amount Deferred tax liabilities Deferred Tax Liabilities, Gross [Abstract] Nonvested, beginning balance (in shares) Nonvested, ending balance (in shares) Nonvested, equity instruments other than options 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] Distributions Deferred Compensation Arrangement With Individual, Distributions Deferred Compensation Arrangement With Individual, Distributions Debt Securities, Trading, and Equity Securities, FV-NI [Table] Debt Securities, Trading, and Equity Securities, FV-NI [Table] Cash flows from investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Net cash provided by operating activities Net cash provided by (used in) operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Investment advisory fees Investment Advisory Clients [Member] Investment Advisory Clients [Member] Unrealized gains (losses) recognized in non-operating income Deferred Tax Liabilities, Net Unrealized Holding Gains Recognized in Income Deferred Tax Liabilities, Net Unrealized Holding Gains Recognized in Income Effective Income Tax Rate Reconciliation [Table] Effective Income Tax Rate Reconciliation [Table] Common stock-based compensation plans activity: Shares Granted or Issued, Share-Based Payment Arrangement [Abstract] Net decrease in redeemable non-controlling interests Noncontrolling Interest, Period Increase (Decrease) Estimated useful life Property, Plant and Equipment, Useful Life Preferred stock, par value (in dollars per share) Preferred Stock, Par or Stated Value Per Share Effective Income Tax Rate Reconciliation [Line Items] Effective Income Tax Rate Reconciliation [Line Items] Investments held at fair value Equity Securities, FV-NI Goodwill Goodwill Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Vertical Strip Investment Vertical Strip Investment [Member] Vertical Strip Investment [Member] PEO Total Compensation Amount PEO Total Compensation Amount Money market mutual funds Money Market Funds [Member] Investments in European Collateralized Loan Obligations Investments In European Collateralized Loan Obligations [Member] Investments In European Collateralized Loan Obligations Tax refund receivables Income Taxes Receivable Statement, Equity Components [Axis] Equity Components [Axis] Equity Components [Axis] Outside U.S. Non-US [Member] Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Unrecognized Tax Benefits [Roll Forward] Unrecognized Tax Benefits [Roll Forward] Auditor Name Auditor Name Third quarter 2026 Employee Service Restricted Fund Units, Nonvested Awards, Compensation Cost To Be Recognized Quarter Three Of Next Fiscal Year, Fair Market Value Employee 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Income Tax Rate Reconciliation, Amount [Abstract] CONSOLIDATED INVESTMENT PRODUCTS Consolidated Sponsored Investment Portfolios [Text Block] Consolidated Sponsored Investment Portfolios [Text Block] Net shares issued upon vesting of restricted stock units (in shares) Stock Issued During Period, Shares, Restricted Stock Award, Gross Individual: Individual [Axis] Expense recognized for defined contribution retirement plans Defined Contribution Plan, Cost Vesting [Axis] Vesting [Axis] Income Tax Jurisdiction [Domain] Income Tax Jurisdiction [Domain] Currency translation adjustments Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax [Abstract] Administrative, distribution, services, and other fees Administrative, Distribution, Servicing And Other Fee Revenue [Member] Administrative, Distribution, Servicing And Other Fee Revenue Document Annual Report Document Annual Report Additional capital in excess of par value Additional Paid in Capital, Common Stock Investment in UTI Asset Management Company Limited (India) UTI Asset Management Company India [Member] UTI Asset Management Company India [Member] Net cash provided by (used in) investing activities Net cash provided by (used in) investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation 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] 2020 Long-Term Incentive Plan and the 2017 Non-Employee Director Equity Plan 2020 Long-Term Incentive Plan And the 2017 Non-Employee Director Equity Plan [Member] 2012 Long-Term Incentive Plan And the 2017 Non-Employee Director Equity Plan [Member] Expected to vest restricted stock units (in shares) Expected to Vest Restricted Stock Units Expected to Vest Restricted Stock Units Document Fiscal Year Focus Document Fiscal Year Focus Maximum risk of loss Variable Interest Entity, Reporting Entity Involvement, Maximum Loss Exposure, Amount Basis of accounting Basis of Accounting, Policy [Policy Text Block] Operating lease assets Operating Lease, Right-of-Use Asset Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] First quarter 2026 Employee Service Restricted Fund Units, Nonvested Awards, Compensation Cost To Be Recognized Quarter One Of Next Fiscal Year, Fair Market Value Employee Service Restricted Fund Units, Nonvested Awards, Compensation Cost To Be Recognized Quarter One Of Next Fiscal Year, Fair Market Value Effective income tax Effective Income Tax Rate Reconciliation, Percent Entity Interactive Data Current Entity Interactive Data Current Prior years, decrease Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions Operating lease expense Operating Lease, Cost Plan Name [Domain] Plan Name [Domain] Distribution Distribution Service [Member] Condensed Income Statement [Table] Condensed Income Statement [Table] Shares issued upon option exercises (in shares) Exercised (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period Valuation allowances Valuation allowances Deferred Tax Assets, Valuation Allowance Equity method investments Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax Revenue recognition Revenue from Contract with Customer [Policy Text Block] Net excess tax benefits from stock-based compensation plans activity Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-Based Payment Arrangement, Amount Operating lease liability Deferred Tax Assets, Operating Lease Liabilities Deferred Tax Assets, Operating Lease Liabilities Building Building [Member] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] U.S. Treasury note US Treasury Securities [Member] Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Net operating loss carry-forwards Deferred Tax Assets, Operating Loss Carryforwards U.S. federal Current Federal Tax Expense (Benefit) Property, Plant and Equipment, Type [Axis] Long-Lived Tangible Asset [Axis] Other Commitments [Line Items] Other Commitments [Line Items] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] 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 liability Business Combination, Contingent Consideration, Liability OTHER COMPREHENSIVE INCOME AND ACCUMULATED OTHER COMPREHENSIVE LOSS Comprehensive Income (Loss) Note [Text Block] Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Amortization of intangible assets Amortization of Intangible Assets Leases Lessee, Leases [Policy Text Block] Goodwill Goodwill and Intangible Assets, Goodwill, Policy [Policy Text Block] Schedule of Future Stock-based Compensation Expense to be Recognized over the Remaining Vesting Periods of the Restricted Fund Unit Awards Share-Based Payment Arrangement, Employee Service Restricted Fund Units, Estimated Future Compensation Expense [Table Text Block] Share-Based Payment Arrangement, Employee Service Restricted Fund Units, Estimated Future Compensation Expense Impairment, Intangible Asset, Indefinite-Lived (Excluding Goodwill), Statement of Income or Comprehensive Income [Extensible Enumeration] Impairment, Intangible Asset, Indefinite-Lived (Excluding Goodwill), Statement of Income or Comprehensive Income [Extensible Enumeration] Common shares repurchased Stock Repurchased During Period, Value Schedule of Changes in Accumulated Other Comprehensive Income Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Schedule of Future Stock-based Compensation Expense Share-Based Payment Arrangement, Nonvested Award, Cost [Table Text Block] Retained earnings Retained Earnings, Unappropriated [Member] Customer [Domain] Customer [Domain] Entity Central Index Key Entity Central Index Key Other comprehensive income (loss) Other Comprehensive Income (Loss), before Tax [Abstract] PEO Name PEO Name 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] Nonvested shares where performance threshold has been met (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Performance Threshold Met, Number Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Performance Threshold Met, Number Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Schedule of Fair Values of Investments Held by Consolidated T. Rowe Price Investment Portfolios Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis for Consolidated Sponsored Investment Portfolios [Table Text Block] Tabular disclosure of assets and liabilities of consolidated sponsored investment portfolios that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). Schedule of Net Impact of Deconsolidation and Consolidation on Condensed Consolidated Balance Sheets and Income Statements Schedule of Deconsolidation Impacts on Financial Statements [Table Text Block] Schedule of Deconsolidation Impacts on Financial Statements [Table Text Block] Other foreign tax effects Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount Arrangement Duration Trading Arrangement Duration Exercise Price Award Exercise Price Entity Filer Category Entity Filer Category Local Phone Number Local Phone Number Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Statutory U.S. federal income tax rate Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Other investing activity Payment for (Proceeds from) Other Investing Activity LONG-TERM INCENTIVE COMPENSATION Share-Based Payment Arrangement [Text Block] Performance-based advisory fees Performance-Based Advisory Fees [Member] Performance-Based Advisory Fees Common shares repurchased (in shares) Stock Repurchased and Retired During Period, Shares 2030 and after Finite-Lived Intangible Asset, Expected Amortization, Four Year And After Finite-Lived Intangible Asset, Expected Amortization, Four Year And After Capital allocation-based income Capital allocation-based income Capital Allocation Based Income [Member] Capital Allocation Based Income ASSETS Assets [Abstract] Redeemable seed capital investments Sponsored Investment Portfolios, Seed Capital Investments [Member] Sponsored Investment Portfolios, Seed Capital Investments Underlying Security Market Price Change Underlying Security Market Price Change, Percent Maximum amount of cash incentive compensation senior officers elected to defer Deferred Compensation Arrangement With Individual, Cash Awards Granted, Amount Deferred Deferred Compensation Arrangement with Individual, Maximum Cash Award Limit 2028 Finite-Lived Intangible Asset, Expected Amortization, Year Three Restricted shares and restricted stock units Restricted Stock And Restricted Stock Units [Member] Shares and stock units that an entity has not yet issued because the agreed-upon consideration, such as employee services, has not yet been received. Other Commitments [Axis] Other Commitments [Axis] Vesting [Domain] Vesting [Domain] Deferred Compensation Arrangement with Individual, Share-Based Payments [Line Items] Deferred Compensation Arrangement with Individual, Share-Based Payments [Line Items] Forfeited (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value FAIR VALUE MEASUREMENTS Fair Value Disclosures [Text Block] Business Combination [Line Items] Business Combination [Line Items] Reclassification adjustments recognized in non-operating income Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax Gross carrying amount Finite-Lived Intangible Assets, Gross Schedule of Intangible Assets and Goodwill [Line Items] Schedule of Intangible Assets and Goodwill [Line Items] Schedule of Intangible Assets and Goodwill [Line Items] STOCKHOLDERS' EQUITY Equity, Attributable to Parent [Abstract] Senior officers Executive Officer [Member] 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] Computer and communications software and equipment Computer And Communications Software And Equipment [Member] Long lived, depreciable assets used in the creation, maintenance, and utilization of information systems which include computers and peripherals, as well as capitalized costs of purchased software applications and capitalized costs to develop software for long-term internal use. Entity Address, Address Line One Entity Address, Address Line One AOCI AOCI Attributable to Parent [Member] Net decrease in assets of consolidated investment products Increase (Decrease) In Assets Of Voting Interest Entities And Variable Interest Entities Increase (Decrease) In Assets Of Voting Interest Entities And Variable Interest Entities Investment, Name [Axis] Investment, Name [Axis] Settlements Deferred Compensation Arrangement With Individual, Settlements Deferred Compensation Arrangement With Individual, Settlements 2028 through 2031 Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost To Be Recognized From Third Fiscal Year to Vesting Unrecognized cost of unvested share-based compensation awards to be recognized in the third fiscal year through vesting period. Investments [Domain] Investments [Domain] Entity Voluntary Filers Entity Voluntary Filers Redeemable non-controlling interests Beginning balances attributable to redeemable non-controlling interests Ending balances attributable to redeemable non-controlling interests Attributable to redeemable non-controlling interests Redeemable Noncontrolling Interest, Equity, Carrying Amount Other investments Other Investments, Fair Value Disclosure Other Investments, Fair Value Disclosure Fair Value as of Grant Date Award Grant Date Fair Value Property, Plant and Equipment [Abstract] Property, Plant and Equipment [Abstract] Accounts receivable and accrued revenue Accounts receivable Accounts Receivable, after Allowance for Credit Loss Entity Registrant Name Entity Registrant Name Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Retained earnings Retained Earnings, Unappropriated Operating loss carryforwards Operating Loss Carryforwards Income taxes payable Accrued Income Taxes Depreciation, amortization and impairment of property, equipment and software Depreciation, Amortization And Impairment Of Property, Equipment And Software Depreciation, Amortization And Impairment Of Property, Equipment And Software Compensation and related costs Labor and Related Expense Deferred Bonus and Profit Sharing Arrangement, Individual Contract, Type of Deferred Compensation [Domain] Deferred Bonus and Profit Sharing Arrangement, Individual Contract, Type of Deferred Compensation [Domain] Grants (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Purchases of sponsored investment products Payments to Acquire Investments Title and Position [Domain] Title and Position [Domain] Total Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount Forfeited (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Long-Lived Assets Held-for-Sale, Name [Domain] Long-Lived Assets Held-for-Sale, Name [Domain] Total Assets, Fair Value Disclosure Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Number of operating segments Number of Operating Segments 2027 Lessee, Operating Lease, Liability, to be Paid, Year Two Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Weighted-average remaining contractual term in years, outstanding Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Investment Type [Axis] Investment Type [Axis] Granted (in dollars 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 Investments Total Investments Title Trading Arrangement, Individual Title Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Reclassification (gains) losses recognized in non-operating income upon deconsolidation of certain investment products Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, before Tax Attributable to T. Rowe Price Group Investment, Sponsored Investment Portfolios, Attributable to Parent Represents the reporting entity's interest in consolidated sponsored investment portfolios. This amount is eliminated in consolidation. Investment Products T. Rowe Price investment products Investment Portfolios [Member] Investment Portfolios Schedule of Finite-Lived Intangible Assets Schedule of Finite-Lived Intangible Assets [Table Text Block] Restatement Determination Date: Restatement Determination Date [Axis] Unrealized gains (losses) recognized in non-operating income Deferred Income Tax Expense (Benefit), Related to Unrealized Holding Gains Recognized in Income Deferred Income Tax Expense (Benefit), Related to Unrealized Holding Gains Recognized in Income Impairment of long-lived assets to be disposed Impairment of Long-Lived Assets to be Disposed of Non-PEO NEO Non-PEO NEO [Member] Aggregate intrinsic value of in-the-money options outstanding Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value Audit Information [Abstract] Audit Information Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Assets under management Assets Under Management [Member] Assets Under Management [Member] Number of buildings to be disposed Number Of Buildings To Be Disposed Of Number Of Buildings To Be Disposed Of Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Land Land [Member] Name Trading Arrangement, Individual Name Net cash of investment products upon deconsolidation Net Cash Flow For Consolidation (Deconsolidation) Of Sponsored Investment Portfolios The net cash inflow (outflow) associated with the consolidation (deconsolidation) of sponsored investment portfolios. 2027 Employee Service Restricted Fund Units, Nonvested Awards, Compensation Cost To Be Recognized Second Fiscal Year, Fair Market Value Employee Service Restricted Fund Units, Nonvested Awards, Compensation Cost To Be Recognized Second Fiscal Year, Fair Market Value Acquisition-related liabilities Deferred Income Tax Expense (Benefit), Related To Acquisition-Related Retention Liability Deferred Income Tax Expense (Benefit), Related To Acquisition-Related Retention Liability Award Type [Domain] Award Type [Domain] 2026 Lessee, Operating Lease, Liability, to be Paid, Year One Non-controlling interests in consolidated entities Non-controlling interest Equity, Attributable to Noncontrolling Interest Equity Awards Adjustments Equity Awards Adjustments [Member] Leasehold improvements Leasehold Improvements [Member] Product and recordkeeping related costs Product-Related And Client Servicing Expenses Product-Related And Client Servicing Expenses Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Incentive payment, percentage Business Combination, Contingent Consideration, Incentive Payment, Percentage Business Combination, Contingent Consideration, Incentive Payment, Percentage Compensation Amount Outstanding Recovery Compensation Amount Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Certificates of deposit Certificates of Deposit [Member] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Property, equipment and software Deferred Tax Assets, Property, Plant and Equipment MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Name Awards Close in Time to MNPI Disclosures, Individual Name Other foreign tax effects Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent OHA Commitments OHA Commitments [Member] OHA Commitments [Member] Nonvested, beginning balance (in dollars per share) Nonvested, ending balance (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value 2027 Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost To Be Recognized Second Fiscal Year Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost To Be Recognized Second Fiscal Year Weighted-average common shares Weighted Average Number of Shares Outstanding Reconciliation [Abstract] Change in fair value of contingent consideration Fair value remeasurement of contingent consideration liability Business Combination, Contingent Consideration, Change in Contingent Consideration, Liability, Increase (Decrease) Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Investment commitment, amount Other Commitment Employee stock purchase Employee Stock [Member] Other comprehensive income, net of tax Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Noncontrolling Interest ICFR Auditor Attestation Flag ICFR Auditor Attestation Flag Revenues Revenues [Abstract] Documents Incorporated by Reference Documents Incorporated by Reference [Text Block] Revenue and Services [Table] Revenue and Services [Table] Summarization of information required and determined to be disclosed concerning advisory service revenues and the assets from which those revenues are derived, by customer and investment mandate. Stock-based compensation expense APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Currency translation adjustments Other Comprehensive Income (Loss) before Reclassifications, Tax Financial Instruments [Domain] Financial Instruments [Domain] Schedule of Revenues From Advisory Services Components Of Investment Advisory Fees [Table Text Block] Tabular disclosure of the components of revenue recognized in the period for schedule-based fees earned for management of mutual funds based on average daily net assets and other investment management and advisory fees earned on other client portfolios based on asset valuations. Net gains on consolidated investment products Investment Income, Nonoperating, Consolidated Sponsored Investment Portfolios Investment Income, Nonoperating, Consolidated Sponsored Investment Portfolios Total deferred tax liabilities Deferred Tax Liabilities, Gross Foreign Tax Jurisdiction Foreign Tax Jurisdiction [Member] Auditor Firm ID Auditor Firm ID Schedule of Indefinite-Lived Intangible Assets Schedule of Indefinite-Lived Intangible Assets [Table Text Block] Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Fourth quarter 2026 Employee Service Restricted Fund Units, Nonvested Awards, Compensation Cost To Be Recognized Quarter Four Of Next Fiscal Year, Fair Market Value Employee Service Restricted Fund Units, Nonvested Awards, Compensation Cost To Be Recognized Quarter Four Of Next Fiscal Year, Fair Market Value Previously taxed earnings and profits of foreign subsidiaries with unremitted earnings Previously Taxed Earnings And Profits Of Foreign Subsidiaries With Unremitted Earnings Previously Taxed Earnings And Profits Of Foreign Subsidiaries With Unremitted Earnings Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Minimum Minimum [Member] Less: net income allocated to outstanding restricted stock and stock unit holders (diluted) Participating Securities, Distributed and Undistributed Earnings (Loss), Diluted Less accumulated depreciation and amortization Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Earnings per share Earnings Per Share, Policy [Policy Text Block] Net deconsolidations of T. Rowe Price investment products Temporary Equity, Decrease Due to Deconsolidation Temporary Equity, Decrease Due to Deconsolidation Company Selected Measure Name Company Selected Measure Name Repatriation of foreign earnings, percent Effective Income Tax Rate Reconciliation, Repatriation Of Foreign Earnings Threshold, Percentage Effective Income Tax Rate Reconciliation, Repatriation Of Foreign Earnings Threshold, Percentage Preferred stock, undesignated, $0.20 par value — authorized and unissued 20,000,000 shares Preferred Stock, Value, Issued Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Cash paid included in measurement of operating lease liabilities Operating Lease, Payments Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Other comprehensive income (loss) before income taxes Other Comprehensive Income (Loss), before Tax Net income allocated to common stockholders (diluted) Net Income (Loss) Available to Common Stockholders, Diluted All Executive Categories All Executive Categories [Member] Second quarter 2026 Employee Service Restricted Fund Units, Nonvested Awards, Compensation Cost To Be Recognized Quarter Two Of Next Fiscal Year, Fair Market Value Employee Service Restricted Fund Units, Nonvested Awards, Compensation Cost To Be Recognized Quarter Two Of Next Fiscal Year, Fair Market Value Schedule of Deferred Tax Assets and Liabilities Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Stockholders' Equity Note [Abstract] Stockholders' Equity Note [Abstract] Common stock, $0.20 par value — authorized 750,000,000; issued 218,565,000 shares at December 31, 2025 and 222,966,000 at December 31, 2024 Common Stock, Value, Issued Foreign Current Foreign Tax Expense (Benefit) COMMITMENTS AND CONTINGENCIES Commitments and Contingencies Disclosure [Text Block] Performance-based Share-Based Payment Arrangement, Tranche Two [Member] Title and Position [Axis] Title and Position [Axis] Outstanding assuming dilution (in shares) Weighted Average Number of Shares Outstanding, Diluted Commitments and contingent liabilities Commitments and Contingencies Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] NAV Per Share Fair Value Measured at Net Asset Value Per Share [Member] Business Combination [Axis] Business Combination [Axis] Total comprehensive income Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Entity Small Business Entity Small Business Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Less: net income attributable to redeemable non-controlling interests Net income Net income (loss) attributable to redeemable non-controlling interests Net Income (Loss) Attributable to Redeemable Noncontrolling Interest Non-controlling interests in consolidated entities Noncontrolling Interest [Member] Restricted Cash and Cash Equivalent Item [Line Items] Restricted Cash and Cash Equivalent Item [Line Items] State and local Current State and Local Tax Expense (Benefit) Document Transition Report Document Transition Report Equity method investments Equity Method Investments [Policy Text Block] Net income (loss) attributable to redeemable non-controlling interests Effective Income Tax Rate Reconciliation, Noncontrolling Interest Income (Loss), Amount Reportable entities Reportable Legal Entities [Member] Underlying Securities Award Underlying Securities Amount Net income (loss) attributable to T. Rowe Price Group Income (Loss) from Continuing Operations before Income Taxes, Attributable to Parent Income (Loss) from Continuing Operations before Income Taxes, Attributable to Parent Concentration Risk [Line Items] Concentration Risk [Line Items] Other comprehensive income (loss) before income taxes Other Comprehensive Income (Loss), before Reclassifications, before Tax Total Employee Service Restricted Fund Units, Nonvested Awards, Compensation Cost To Be Recognized, Fair Market Value Employee Service Restricted Fund Units, Nonvested Awards, Compensation Cost To Be Recognized, Fair Market Value Deferrals (including taxes) Deferred Compensation Arrangement With Individual, Deferrals (Including Taxes) Deferred Compensation Arrangement With Individual, Deferrals (Including Taxes) Net deferred tax assets Deferred Tax Assets, Net Restricted Fund Units Restricted Fund Units [Member] Restricted Fund Units Equity Component [Domain] Equity Component [Domain] Document Period End Date Document Period End Date PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Investments used to hedge the deferred compensation liabilities Sponsored Investment Portfolios, Investments Used To Hedge The Deferred Compensation Liabilities [Member] Sponsored Investment Portfolios, Investments Used To Hedge The Deferred Compensation Liabilities Cash and Cash Equivalents [Domain] Cash and Cash Equivalents [Domain] INCOME TAXES Income Tax Disclosure [Text Block] Investments in affiliated collateralized loan obligations Investments in Affiliates, Subsidiaries, Associates, and Joint Ventures, Fair Value Disclosure United Kingdom: changes in valuation allowances UNITED KINGDOM Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Schedule of Unrecognized Tax Benefits Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block] Total permanent stockholders' equity Beginning balances Ending balances Equity, Including Portion Attributable to Noncontrolling Interest Supplemental Savings Plan Deferred Bonus [Member] Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items] Deferred Compensation Arrangement with Individual, Excluding Share-Based Payments and Postretirement Benefits [Line Items] Document Type Document Type EARNINGS PER SHARE CALCULATIONS Earnings Per Share [Text Block] Name Outstanding Recovery, Individual Name Advertising and promotion costs Marketing and Advertising Expense Amortization of market appreciation (depreciation) Deferred Compensation Arrangement With Individual, Amortization Of Appreciation (Depreciation) Deferred Compensation Arrangement With Individual, Amortization Of Appreciation (Depreciation) Product and Service [Axis] Product and Service [Axis] Variable charges related to operating leases not included in measurement of lease liability Variable Lease, Cost Net revenues Net revenues Revenue from Contract with Customer, Excluding Assessed Tax Common share issuances under stock-based compensation plans Proceeds From Stock Options Exercised, Net Of Payments For Repurchase Of Common Stock For Employee Tax Withholding Obligations And Strike Price The cash inflow associated with the amount received from holders exercising their stock options net of 1) shares swapped by the employee to pay the cost of related employee stock option awards and 2) cash outflows paid by the company to cover an employee's income tax withholding obligation as part of a net-share settlement of a share-based award. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately. A positive value represents cash inflows in excess of cash outflows listed. A negative value represents cash outflows in excess of the cash inflow described. All Individuals All Individuals [Member] Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Additions to property, equipment and software Payments to Acquire Property, Plant, and Equipment Name Forgone Recovery, Individual Name Other Deferred Income Tax Expense (Benefit), Related to Other Deferred Income Tax Expense (Benefit), Related to Other Award expiration term Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period 2020 Long-Term Incentive Plan 2020 Long-Term Incentive Plan [Member] 2020 Long-Term Incentive Plan 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] Reclassification out of accumulated other comprehensive income Reclassification out of Accumulated Other Comprehensive Income [Member] Net (investments) redemptions in investment products used to economically hedge deferred compensation liabilities Proceeds from (Payments for) Trading Securities, Short-Term Voting interest entities Voting Interest Entities [Member] Voting Interest Entities [Member] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Total intrinsic value of options exercised Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period, Intrinsic Value Equity method investments Equity method investments Equity Method Investee [Member] Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Net income allocated to common stockholders (basic) Net Income (Loss) Available to Common Stockholders, Basic Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Intangible Asset, Finite-Lived [Table] Intangible Asset, Finite-Lived [Table] Other comprehensive income (loss), net of tax (Loss) Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Geographical [Axis] Geographical [Axis] Net gains on investments Investment Income, Nonoperating, Other Than Consolidated Sponsored Investment Portfolios Investment Income, Nonoperating, Other Than Consolidated Sponsored Investment Portfolios Other changes in assets and liabilities Increase (Decrease) in Other Operating Assets and Liabilities, Net Total operating expenses Operating expenses reflected in net operating income Operating expenses Operating Expenses Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Percent of long term awards Share-based Compensation Arrangement By Share-based Payment Award, Percent of Long Term Awards Share-Based Compensation Arrangement by Share-Based Payment Award, Maximum Employee To Receive Compensation Award Level 1 Level 1 Fair Value, Inputs, Level 1 [Member] Beginning balances (in shares) Ending balances (in shares) Shares, Outstanding Consolidated T. Rowe Price investment products Consolidated Investment Portfolios [Member] Consolidated Investment Portfolios [Member] Diluted (in dollars per share) Earnings Per Share, Diluted Less: net income allocated to outstanding restricted stock and stock unit holders (basic) Participating Securities, Distributed and Undistributed Earnings (Loss), Basic Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Restructuring and related cost, accelerated depreciation Restructuring and Related Cost, Accelerated Depreciation Reclassification out of Accumulated Other Comprehensive Income [Axis] Reclassification out of Accumulated Other Comprehensive Income [Axis] Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Title of 12(b) Security Title of 12(b) Security AOCI Attributable to Parent, Net of Tax [Roll Forward] AOCI Attributable to Parent, Net of Tax [Roll Forward] Earnings per share on common stock of T. Rowe Price Group Earnings Per Share [Abstract] 2030 Lessee, Operating Lease, Liability, to be Paid, Year Five Total non-operating income Net gains (losses) recognized upon deconsolidation Nonoperating Income (Expense) Consolidation Items [Domain] Consolidation Items [Domain] Investments, Debt and Equity Securities [Abstract] Investments, Debt and Equity Securities [Abstract] Auditor Location Auditor Location Variable interest entity, not primary beneficiary Variable Interest Entity, Not Primary Beneficiary [Member] Fourth quarter 2026 Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost To Be Recognized Quarter Four Of Next Fiscal Year Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost To Be Recognized Quarter Four Of Next Fiscal Year Common shares repurchased Stock Repurchased and Retired During Period, Value Condensed Balance Sheet Statement [Table] Condensed Balance Sheet Statement [Table] Comprehensive income Comprehensive Income, Policy [Policy Text Block] Net operating losses Deferred Income Tax Expense (Benefit), Related To Net Operating Losses Deferred Income Tax Expense (Benefit), Related To Net Operating Losses Less: imputed interest to be recognized in lease expense Lessee, Operating Lease, Liability, Undiscounted Excess Amount Cash equivalent investments in T. Rowe Price money market mutual funds Money Market Funds, at Carrying Value Total taxes paid Income Taxes Paid, Net Exercised (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price 2027 Finite-Lived Intangible Asset, Expected Amortization, Year Two Net subscriptions into T. Rowe Price investment products Subscription From Redemption Distribution To Noncontrolling Interest A positive value represents subscriptions net of redemptions and distributions to redeemable non-controlling interest holders of a less than wholly owned subsidiary. A negative value represents redemptions and distributions paid to redeemable non-controlling interest holders net of subscriptions received. Net subscriptions from redeemable non-controlling interest holders Net Subscriptions (Redemptions) Received From Redeemable Non Controlling Interest Holders Net Subscriptions (Redemptions) Received From Redeemable Non Controlling Interest Holders Award Timing Disclosures [Line Items] Entity Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Measurement Frequency [Domain] Measurement Frequency [Domain] PROPERTY, EQUIPMENT AND SOFTWARE Property, Plant and Equipment Disclosure [Text Block] Annual installments Deferred Compensation Arrangement with Individual, Number of Annual Installments Deferred Compensation Arrangement with Individual, Number of Annual Installments Total future undiscounted cash flows Lessee, Operating Lease, Liability, to be Paid STOCKHOLDERS’ EQUITY Equity [Text Block] Liabilities of consolidated investment products ($14.2 million at December 31, 2025 and $46.2 million at December 31, 2024, related to variable interest entities) Liabilities Of Voting Interest Entities And Variable Interest Entities Liabilities Of Voting Interest Entities And Variable Interest Entities Net distributions to non-controlling interests in consolidated entities Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Trade Names Trade Names [Member] Net income attributable to T. Rowe Price Group Net income attributable to T. Rowe Price Group Net Income (Loss) Attributable to Parent Subsidiary or Equity Method Investee [Line Items] Subsidiary or Equity Method Investee [Line Items] Expiration Date Trading Arrangement Expiration Date Other Commitments [Domain] Other Commitments [Domain] Net income (loss) attributable to redeemable non-controlling interests Effective Income Tax Rate Reconciliation, Noncontrolling Interest Income (Loss), Percent Schedule of Effective Income Tax Rate Reconciliation Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Net unrealized gain (losses) on T. Rowe Price investments product recognized in nonoperating income Equity Securities, FV-NI, Unrealized Gain (Loss) Investment partnerships and other investments Investment Partnerships And Other Investments [Member] Investment Partnerships And Other Investments [Member] Award vesting period Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period Other foreign tax effects Effective Income Tax Rate Reconciliation, Other Adjustments, Percent Restrictions on Cash and Cash Equivalents [Table] Restrictions on Cash and Cash Equivalents [Table] Schedule of Total Assets, Liabilities and Non-controlling Interests of Consolidated Variable Interest Entities Equity Method Investments [Table Text Block] Property, equipment and software, net Total Property, Plant and Equipment, Net Restructuring charge Restructuring Charges Preferred stock, shares authorized (in shares) Preferred Stock, Shares Authorized Geographic concentration Geographic Concentration Risk [Member] Repurchases of common stock Payments for Repurchase of Common Stock Adoption Date Trading Arrangement Adoption Date Contingent consideration, maximum earnout payment Business Combination, Contingent Consideration, Range of Outcomes, Maximum, Amount Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Acquired investments Deferred Income Tax Expense (Benefit), Related To Acquired Investments Deferred Income Tax Expense (Benefit), Related To Acquired Investments Entity Current Reporting Status Entity Current Reporting Status Expected to vest restricted stock units held (in shares) Expected to Vest Stock Units Expected to Vest Stock Units Consolidation eliminations Consolidation, Eliminations [Member] Investment interest rate Investment Interest Rate Customer [Axis] Customer [Axis] Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Net operating income Operating Income (Loss) Consolidated Entities [Domain] Consolidated Entities [Domain] Statutory U.S. federal income tax rate Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount Deferred Bonus and Profit Sharing Arrangements, Individual Contracts, Type of Deferred Compensation [Axis] Deferred Bonus and Profit Sharing Arrangements, Individual Contracts, Type of Deferred Compensation [Axis] Stockholder-approved plans Stockholder Approved Plans For Stock Options The number of stockholder approved plans under which qualified incentive and nonqualified fixed stock options are granted. Restricted shares issued, net of shares withheld for taxes (in shares) Restricted Stock, Shares Issued Net of Shares for Tax Withholdings Financial Instrument [Axis] Financial Instrument [Axis] Deferred tax assets Deferred Tax Assets, Gross [Abstract] 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] Other Disclosures [Abstract] Other Disclosures [Abstract] Other Disclosures [Abstract] Net excess tax benefits from stock-based compensation plans activity Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-Based Payment Arrangement, Percent Impairment of intangible assets Impairment of Intangible Assets, Indefinite-Lived (Excluding Goodwill) State and local income taxes, net of federal effect Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent Current Fiscal Year End Date Current Fiscal Year End Date Finite-Lived Intangible Assets, Net [Abstract] Finite-Lived Intangible Assets, Net [Abstract] Redeemable seed capital investments Sponsored Investment Portfolios, Redeemable Seed Capital Investments [Member] Sponsored Investment Portfolios, Redeemable Seed Capital Investments Dividends earned on money market mutual funds Dividend distribution Investment Income, Dividend 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] Non-Employee Directors Non-Employee Directors [Member] Non-Employee Directors Other Deferred Tax Liabilities, Other Weighted- average fair value Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Held to maturity Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss Shares available for future grant (shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant Other gains (losses), including foreign currency gains (losses) Other Nonoperating Income (Expense) Statement [Table] Statement [Table] Deferred income taxes (benefits) Total net deferred income taxes (benefits) Deferred Income Tax Expense (Benefit) Adjustments to reconcile net income to net cash provided by operating activities Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Expired statute of limitations Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations Cash flows from financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Reclassification out of Accumulated Other Comprehensive Income [Domain] Reclassification out of Accumulated Other Comprehensive Income [Domain] Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Acquisition-related liabilities Deferred Tax Liabilities, Contingent Consideration Liability Deferred Tax Liabilities, Contingent Consideration Liability 2028 through 2030 Employee Service Restricted Fund Units, Nonvested Awards, Compensation Cost To Be Recognized From Third Fiscal Year to Vesting, Fair Market Value Employee Service Restricted Fund Units, Nonvested Awards, Compensation Cost To Be Recognized From Third Fiscal Year to Vesting, Fair Market Value Percentage of contingent consideration Business Combination, Earnout Percentage, Second Threshold Business Combination, Earnout Percentage, Second Threshold T. Rowe Price investment products Equity securities, current Equity Securities, FV-NI, Current Condensed Balance Sheet Statements, Captions [Line Items] Condensed Balance Sheet Statements, Captions [Line Items] Distribution and servicing costs Distribution Expenses Distribution Expenses Balance at beginning of year Balance at end of year Unrecognized Tax Benefits Cash and Cash Equivalents [Abstract] Cash and Cash Equivalents [Abstract] Stock options with anti-diluted impact (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Net decrease in liabilities of consolidated investment products Increase (Decrease) In Liabilities Of Voting Interest Entities And Variable Interest Entities Increase (Decrease) In Liabilities Of Voting Interest Entities And Variable Interest Entities All Adjustments to Compensation All Adjustments to Compensation [Member] Deferred compensation liabilities Balance at beginning of year Balance at end of year Deferred Compensation Arrangement with Individual, Recorded Liability Amendment Flag Amendment Flag Development of computer software Software Development [Member] Condensed Income Statements, Captions [Line Items] Condensed Income Statements, Captions [Line Items] OHA Acquisition OHA Acquisition [Member] OHA Acquisition Other Commitments [Table] Other Commitments [Table] Acquired investments Deferred Tax Assets, Investments LEASES Lessee, Operating Leases [Text Block] Termination Date Trading Arrangement Termination Date Net cash used in financing activities Net cash provided by financing activities 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] Assets of consolidated investment products ($1,596.1 million at December 31, 2025 and $1,555.6 million at December 31, 2024, related to variable interest 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Compensation Arrangement with Individual, Share-Based Payment [Table] Deferred Compensation Arrangement with Individual, Share-Based Payment [Table] Segment Reporting [Abstract] Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Acquisition-related amortization and impairment costs Amortization of Acquisition Costs Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Non-operating income Nonoperating Income (Expense) [Abstract] Entity Tax Identification Number Entity Tax Identification Number Reclassification adjustment recognized in the provision for income taxes upon deconsolidation of investment products Reclassification from AOCI, Current Period, Tax Schedule of Maximum Risk of Loss Related to Investments in Variable Interest Entities Schedule of Variable Interest Entities [Table Text Block] Dividends declared Dividends, Cash Alternatives Alternatives Investment [Member] Alternatives Investment Outstanding, beginning balance (in dollars per share) Outstanding, ending balance (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price Restructuring and Related Activities [Abstract] Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Consolidated Entities [Axis] Consolidated Entities [Axis] Common stock, shares issued (in shares) Common Stock, Shares, Issued CASH EQUIVALENTS Cash and Cash Equivalents Disclosure [Text Block] Weighted-average remaining lease term on operating leases Operating Lease, Weighted Average Remaining Lease Term GOODWILL AND INTANGIBLE ASSETS Goodwill and Intangible Assets Disclosure [Text Block] Use of estimates Use of Estimates, Policy [Policy Text Block] Dividends paid to common stockholders and equity-unit holders Payments of Dividends Entity Public Float Entity Public Float Trading Arrangement: Trading Arrangement [Axis] Total Shareholder Return Amount Total Shareholder Return Amount Restructuring costs and asset impairment charges Restructuring Costs and Asset Impairment Charges Insider Trading Arrangements [Line Items] Security Exchange Name Security Exchange Name Net distributions to non-controlling interests in consolidated entities Net Contributions from (Distributions To) Non-controlling Interests In Consolidated Entities Net Contributions from (Distributions To) Non-controlling Interests In Consolidated Entities All other jurisdictions Income Tax Paid, Foreign, after Refund Received Equity Equity Securities [Member] Total liabilities Liabilities Liabilities Liabilities Cash and Cash Equivalents [Axis] Cash and Cash Equivalents [Axis] Net investment income (loss) reflected in non-operating income (loss) Investment Income, Net Investments in affiliated private investment funds - carried interest Investments In Affiliated Private Investment Funds - Carried Interest [Member] Investments In Affiliated Private Investment Funds - Carried Interest [Member] Deferred Compensation Arrangement With Individual, Share-Based Payments [Roll Forward] Deferred Compensation Arrangement With Individual, Share-Based Payments [Roll Forward] Deferred Compensation Arrangement With Individual, Share-Based Payments Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Current year Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions Common shares repurchased (in shares) Stock Repurchased During Period, Shares Indefinite-lived Intangible Assets, Major Class Name [Domain] Indefinite-Lived Intangible Assets, Major Class Name [Domain] Operating expenses Operating Expenses [Abstract] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Forfeitures Deferred Compensation Arrangement With Individual, Forfeitures Deferred Compensation Arrangement With Individual, Forfeitures Restricted stockholders' equity Amount of Restricted Net Assets for Consolidated and Unconsolidated Subsidiaries Increase (Decrease) in Temporary Equity [Roll Forward] Increase (Decrease) in Temporary Equity [Roll Forward] Statement [Line Items] Statement [Line Items] Consolidation Items [Axis] Consolidation Items [Axis] Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Cash and cash equivalents Cash and Cash Equivalent Restricted shares issued, net of shares withheld for taxes Restricted Stock, Value, Shares Issued Net of Tax Withholdings Second quarter 2026 Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost To Be Recognized Quarter Two Of Next Fiscal Year Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost To Be Recognized Quarter Two Of Next Fiscal Year Performance Period Performance Period [Member] Performance Period Common stock Common Stock [Member] Vested (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Fixed income securities Debt Securities, Available-for-Sale Accrued compensation and related costs Employee-related Liabilities Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Non-NEOs Non-NEOs [Member] Time-Based Requirement Time-Based Requirement [Member] Time-Based Requirement Net change in cash and cash equivalents during year Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation