Information about Receivables, Revenues, and Services [Abstract]
Information about Receivables, Revenues, and Services
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.
Product and Service [Axis]
Product and Service [Axis]
Product and Service [Domain]
Product and Service [Domain]
Investment advisory fees [Member]
Asset Management [Member]
Administrative service [Member]
Administrative Service [Member]
Distribution and servicing fees [Member]
Distribution Service [Member]
Customer [Axis]
Customer [Axis]
Customer [Domain]
Customer [Domain]
Subadvised and separate accounts and other investment products [Member]
Subadvised, Separate Accounts, And Other Investment Products [Member]
Subadvised, Separate Accounts, And Other Investment Products [Member]
Other clients [Member]
Other Clients [Member]
Other Clients [Member]
Investment Type [Axis]
Investment Type [Axis]
Investments [Domain]
Investments [Domain]
Equity and blended asset [Member]
Stock And Blended Asset [Member]
Stock and blended asset [Member]
Fixed income, including money market [Member]
Bond And Money Market [Member]
Bond and money market [Member]
Revenue and Services [Line Items]
Revenues and Services [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.
Net revenues
Revenue from Contract with Customer, Excluding Assessed Tax
Average assets under management
Assets under Management, Average Balance
Period end assets under management
Assets under Management, Carrying Amount
Concentration Risk [Table]
Concentration Risk [Table]
Geographical [Axis]
Geographical [Axis]
Geographical [Domain]
Geographical [Domain]
Outside U.S. [Member]
Non-US [Member]
Concentration Risk Benchmark [Axis]
Concentration Risk Benchmark [Axis]
Concentration Risk Benchmark [Domain]
Concentration Risk Benchmark [Domain]
Assets under management [Member]
Assets Under Management [Member]
Assets Under Management [Member]
Investment advisory clients [Member]
Investment Advisory Clients [Member]
Investment Advisory Clients [Member]
Concentration Risk Type [Axis]
Concentration Risk Type [Axis]
Concentration Risk Type [Domain]
Concentration Risk Type [Domain]
Geographic concentration [Member]
Geographic Concentration Risk [Member]
Concentration Risk [Line Items]
Concentration Risk [Line Items]
Concentration risk, percentage
Concentration Risk, Percentage
Accounts receivable
Accounts Receivable, after Allowance for Credit Loss
Share-based Payment Arrangement [Abstract]
Rollforward of stock options
Share-based Payment Arrangement, Option, Activity [Table Text Block]
Rollforward of nonvested restricted shares and restricted stock units
Share-based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block]
Future stock-based compensation expense
Share-based Payment Arrangement, Nonvested Award, Cost [Table Text Block]
Condensed Income Statement [Table]
Condensed Income Statement [Table]
Consolidated Entities [Axis]
Consolidated Entities [Axis]
Consolidated Entities [Domain]
Consolidated Entities [Domain]
Consolidated T. Rowe Price investment products [Member]
Consolidated Investment Portfolios [Member]
Consolidated Investment Portfolios [Member]
Voting interest entities [Member]
Voting Interest Entities [Member]
Voting Interest Entities [Member]
Variable interest entities [Member]
Variable Interest Entity, Primary Beneficiary [Member]
Consolidation Items [Axis]
Consolidation Items [Axis]
Consolidation Items [Domain]
Consolidation Items [Domain]
Reportable entities [Member]
Reportable Legal Entities [Member]
Consolidation eliminations [Member]
Consolidation, Eliminations [Member]
Condensed Income Statements, Captions [Line Items]
Condensed Income Statements, Captions [Line Items]
Operating expenses reflected in net operating income
Operating Expenses
Net investment income reflected in non-operating income
Investment Income, Nonoperating
Net income 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
Net income (loss) attributable to redeemable non-controlling interests
Net Income (Loss) Attributable to Redeemable Noncontrolling Interest
Leases [Abstract]
Fourth quarter 2019
Lessee, Operating Lease, Liability, Payments, Remainder of Fiscal Year
2020
Lessee, Operating Lease, Liability, Payments, Due Year Two
2021
Lessee, Operating Lease, Liability, Payments, Due Year Three
2022
Lessee, Operating Lease, Liability, Payments, Due Year Four
2023
Lessee, Operating Lease, Liability, Payments, Due Year Five
Thereafter
Lessee, Operating Lease, Liability, Payments, Due after Year Five
Total future undiscounted cash flows
Lessee, Operating Lease, Liability, Payments, Due
Less: imputed interest to be recognized in lease expense
Lessee, Operating Lease, Liability, Undiscounted Excess Amount
Operating lease liabilities
Operating Lease, Liability
Stockholders' Equity Note [Abstract]
STOCKHOLDERS’ EQUITY
Stockholders' Equity Note Disclosure [Text Block]
Components 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.
Components of assets under management
Components of Assets Under Management [Table Text Block]
Tabular disclosure of the components of average assets under management and period end assets under management. Assets under management represents the market value of assets an investment adviser manages on behalf of investors and is the basis for determining investment advisory fee revenue.
Statement of Financial Position [Abstract]
ASSETS
Assets [Abstract]
Cash and cash equivalents
Cash and Cash Equivalents, at Carrying Value
Accounts receivable and accrued revenue
Investments
Investments
Assets of consolidated T. Rowe Price investment products ($1,983.7 million at September 30, 2019 and $1,392.6 million at December 31, 2018, related to variable interest entities)
Variable Interest Entity, Consolidated, Carrying Amount, Assets
Operating lease assets
Operating Lease, Right-of-Use Asset
Property and equipment, net
Property, Plant and Equipment, Net
Goodwill
Goodwill
Other assets
Other Assets
Total assets
Assets
LIABILITIES
Liabilities [Abstract]
Accounts payable and accrued expenses
Accounts Payable and Other Accrued Liabilities
Liabilities of consolidated T. Rowe Price investment products ($69.8 million at September 30, 2019 and $22.7 million at December 31, 2018, related to variable interest entities)
Variable Interest Entity, Consolidated, Carrying Amount, Liabilities
Accrued compensation and related costs
Employee-related Liabilities
Supplemental savings plan liability
Deferred Compensation Arrangement with Individual, Recorded Liability
Income taxes payable
Accrued Income Taxes
Total liabilities
Liabilities
Commitments and contingent liabilities
Commitments and Contingencies
Redeemable non-controlling interests
Redeemable Noncontrolling Interest, Equity, Carrying Amount
STOCKHOLDERS’ EQUITY
Stockholders' Equity Attributable to Parent [Abstract]
Preferred stock, undesignated, $.20 par value – authorized and unissued 20,000,000 shares
Preferred Stock, Value, Issued
Common stock, $.20 par value—authorized 750,000,000; issued 234,702,000 shares at September 30, 2019 and 238,069,000 at December 31, 2018
Common Stock, Value, Issued
Additional capital in excess of par value
Additional Paid in Capital, Common Stock
Retained earnings
Retained Earnings, Unappropriated
Accumulated other comprehensive loss
Accumulated Other Comprehensive Income (Loss), Net of Tax
Total permanent stockholders’ equity
Stockholders' Equity Attributable to Parent
Total liabilities, redeemable non-controlling interests, and permanent stockholders’ equity
Liabilities and Equity
Earnings Per Share [Abstract]
Earnings per share reconciliation
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
Fair values of investments held by consolidated sponsored 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).
Statement of Stockholders' Equity [Abstract]
Statement [Table]
Statement [Table]
Adjustments for New Accounting Pronouncements [Axis]
Adjustments for New Accounting Pronouncements [Axis]
Type of Adoption [Domain]
Type of Adoption [Domain]
Accounting standards update 2016-01 [Member]
Accounting Standards Update 2016-01 [Member]
Accounting standards update 2018-02, currency translation adjustments [Member]
Accounting Standards Update 2018-02, Currency Translation Adjustments [Member]
Accounting Standards Update 2018-02, Currency Translation Adjustments [Member]
Statement, Equity Components [Axis]
Equity Components [Axis]
Equity Component [Domain]
Equity Component [Domain]
Common stock [Member]
Common Stock [Member]
Additional capital in excess of par value [Member]
Additional Paid-in Capital [Member]
Retained earnings [Member]
Retained Earnings, Unappropriated [Member]
Accumulated other comprehensive income (loss) [Member]
AOCI Attributable to Parent [Member]
Award Type [Axis]
Award Type [Axis]
Award Type [Domain]
Award Type [Domain]
Restricted stock units [Member]
Restricted Stock Units (RSUs) [Member]
Statement [Line Items]
Statement [Line Items]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balances (in shares)
Shares, Outstanding
Beginning Balance
Cumulative effect adjustment upon adoption of new accounting guidance
Cumulative Effect of New Accounting Principle in Period of Adoption
Balances, As Adjusted
Stockholders' Equity Attributable to Parent, Adjusted Balance
Amount of stockholders' equity attributable to parent, after the cumulative effect adjustment of a new accounting principle applied in the period of adoption.
Net income
Net Income (Loss) Attributable to Parent
Other comprehensive income (loss), net of tax
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent
Dividends declared
Dividends, Cash
Common stock-based compensation plans activity
Shares Granted or Issued, Share-based Payment Arrangement [Abstract]
Shares issued upon option exercises (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period
Shares issued upon option exercises
Stock Issued During Period, Value, Stock Options Exercised
Restricted shares issued, net of shares withheld for taxes (in shares)
Share-based Payment Arrangement, Shares Withheld for Tax Withholding Obligation
Restricted shares issued, net of shares withheld for taxes
Stock Issued During Period, Value, Restricted Stock Award, Gross
Net shares issued upon vesting of restricted stock units (in shares)
Stock Issued During Period, Shares, Restricted Stock Award, Gross
Net shares issued upon vesting of restricted stock units
Share-based Payment Arrangement, Decrease for Tax Withholding Obligation
Forfeiture of restricted awards (in shares)
Stock Issued During Period, Shares, Restricted Stock Award, Forfeited
Stock-based compensation expense
APIC, Share-based Payment Arrangement, Increase for Cost Recognition
Restricted stock units issued as dividend equivalents
Dividend, Share-based Payment Arrangement, Paid-in-Kind
Common shares repurchased (in shares)
Stock Repurchased During Period, Shares
Common shares repurchased
Stock Repurchased During Period, Value
Balances (in shares)
Ending Balance
Increase (Decrease) in Temporary Equity [Roll Forward]
Increase (Decrease) in Temporary Equity [Roll Forward]
Beginning balances attributable to redeemable non-controlling interests
Net income (loss) attributable to redeemable non-controlling interests
Other comprehensive income (loss), net of tax, attributable to redeemable non-controlling interests
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Noncontrolling Interest
Net subscriptions into consolidated 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 reconsolidations (deconsolidations) of T. Rowe Price investment products
Noncontrolling Interest, Increase (Decrease) From Reconsolidation (Deconsolidation)
Noncontrolling Interest, Increase (Decrease) From Reconsolidation (Deconsolidation)
Ending balances attributable to redeemable non-controlling interests
Fair Value Disclosures [Abstract]
Fair Value, Recurring and Nonrecurring [Table]
Investment, Name [Axis]
Investment, Name [Axis]
Investment, Name [Domain]
Investment, Name [Domain]
Fair Value Hierarchy and NAV [Axis]
Fair Value Hierarchy and NAV [Axis]
Fair Value Hierarchy and NAV [Domain]
Fair Value Hierarchy and NAV [Domain]
Level 1 [Member]
Fair Value, Inputs, Level 1 [Member]
Level 2 [Member]
Fair Value, Inputs, Level 2 [Member]
Fair value measured at NAV [Member]
Fair Value Measured at Net Asset Value Per Share [Member]
Measurement Frequency [Axis]
Measurement Frequency [Axis]
Measurement Frequency [Domain]
Measurement Frequency [Domain]
Fair value, measurements, recurring [Member]
Fair Value, Recurring [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]
Cash equivalents held in T. Rowe Price money market funds
Cash and Cash Equivalents, Fair Value Disclosure
T. Rowe Price investment products
Equity Securities, FV-NI
Total
Assets, Fair Value Disclosure
LEASES
Lessee, Operating Leases [Text Block]
Investments, Debt and Equity Securities [Abstract]
Unconsolidated investments
Investment [Table Text Block]
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]
Maximum risk of loss related to investments in variable interest entities
Schedule of Variable Interest Entities [Table Text Block]
Fair value measurements summary
Fair Value, Assets Measured on Recurring Basis [Table Text Block]
Weighted-average remaining lease term on operating leases
Operating Lease, Weighted Average Remaining Lease Term
Weighted-average discount rate on operating leases
Operating Lease, Weighted Average Discount Rate, Percent
Operating lease expense
Operating Lease, Expense
Variable charges related to operating leases not included in measurement of lease liability
Variable Lease, Cost
Cash paid included in measurement of operating lease liabilities
Operating Lease, Payments
EARNINGS PER SHARE CALCULATIONS
Earnings Per Share [Text Block]
Stock options with anti-diluted impact (in shares)
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount
Net income attributable to T. Rowe Price Group
Less: net income allocated to outstanding restricted stock and stock unit holders (basic)
Participating Securities, Distributed and Undistributed Earnings (Loss), Basic
Less: net income allocated to outstanding restricted stock and stock unit holders (diluted)
Participating Securities, Distributed and Undistributed Earnings (Loss), Diluted
Net income allocated to common stockholders (basic)
Net Income (Loss) Available to Common Stockholders, Basic
Net income allocated to common stockholders (diluted)
Net Income (Loss) Available to Common Stockholders, Diluted
Weighted-average common shares
Weighted Average Number of Shares Outstanding Reconciliation [Abstract]
Outstanding (in shares)
Weighted Average Number of Shares Outstanding, Basic
Outstanding assuming dilution (in shares)
Weighted Average Number of Shares Outstanding, Diluted
Fair Value, Recurring and Nonrecurring [Table]
Equity securities [Member]
Equity Securities [Member]
Fixed income securities [Member]
Fixed Income Investments [Member]
Other investments [Member]
Other than Securities Investment [Member]
Cash equivalents
Investments
Investments, Fair Value Disclosure
Liabilities
Financial and Nonfinancial Liabilities, Fair Value Disclosure
Impact of the components of other comprehensive income (loss) on deferred tax benefits (income taxes)
Comprehensive Income (Loss) [Table Text Block]
Changes in accumulated other comprehensive loss
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]
Equity Components [Axis]
Accounting standards update 2018-02, available for sale securities [Member]
Accounting Standards Update 2018-02, Available for Sale Securities [Member]
Accounting Standards Update 2018-02, Available for Sale Securities [Member]
Cash dividends declared (in USD per share)
Common Stock, Dividends, Per Share, Declared
Investment [Table]
Investment [Table]
Investment, Name [Axis]
Investment partnerships and other investments [Member]
Investment Partnership and Other Investments [Member]
Investment Partnership and Other Investments [Member]
Interest in UTI Asset Management Company Limited (India) [Member]
UTI Asset Management Company India [Member]
UTI Asset Management Company India [Member]
Investment partnerships and other investments [Member]
Other Equity Method Investments [Member]
Other equity method investments
Balance Sheet Location [Axis]
Balance Sheet Location [Axis]
Balance Sheet Location [Domain]
Balance Sheet Location [Domain]
Assets [Member]
Assets [Member]
Liability [Member]
Liability [Member]
Redeemable noncontrolling interest [Member]
Redeemable Noncontrolling Interest [Member]
The line item on the balance sheet representing the aggregate carrying amount of all noncontrolling interests which are redeemable by the (parent) entity (1) at a fixed or determinable price on a fixed or determinable date, (2) at the option of the holder of the noncontrolling interest, or (3) upon occurrence of an event that is not solely within the control of the (parent) entity. This item includes noncontrolling interest holder's ownership (or holders' ownership) regardless of the type of equity interest (common, preferred, other) including all potential organizational (legal) forms of the investee entity.
Reclassification out of Accumulated Other Comprehensive Income [Axis]
Reclassification out of Accumulated Other Comprehensive Income [Axis]
Reclassification out of Accumulated Other Comprehensive Income [Domain]
Reclassification out of Accumulated Other Comprehensive Income [Domain]
Reclassification out of accumulated other comprehensive income [Member]
Reclassification out of Accumulated Other Comprehensive Income [Member]
Currency translation adjustments [Member]
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
Ownership [Axis]
Ownership [Axis]
Ownership [Domain]
Ownership [Domain]
Daiwa SB Investments Ltd [Member]
Daiwa SB Investments Ltd [Member]
Daiwa SB Investments Ltd [Member]
Investment [Line Items]
Investment [Line Items]
Investments held at fair value
Equity method investments
Equity Method Investments
U.S. Treasury note
Debt Securities, Held-to-maturity
Total
Equity method investment (ownership percentage)
Equity Method Investment, Ownership Percentage
Net unrealized gains on T. Rowe Price investments product recognized in nonoperating income
Equity Securities, FV-NI, Unrealized Gain (Loss)
Net increase (decrease) in assets, liabilities, and redeemable noncontrolling interest
Deconsolidation Value2
Represents the carrying value of the assets (liabilities or redeemable noncontrolling interest) deconsolidated during the period as valued on the date that the parent no longer had a controlling financial interest in the subsidiary.
Gains (losses) recognized upon deconsolidation
Nonoperating Income (Expense)
Investments ownership percentage
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners
Common stock repurchases liability
Unsettled Common Stock Repurchases Liabilities
Unsettled Common Stock Repurchases Liabilities
INFORMATION ABOUT RECEIVABLES, REVENUES, AND SERVICES
Information About Receivables Revenues And Services Text Block
This element is used to indicate facts reported for the continuing operations of a business entity including disclosure of receivables from sponsored mutual funds for both advisory fees and administrative services provided. This element also includes disclosure of the components of investment advisory fees and administrative fees earned as well as the components of average assets and period end assets under management.
Schedule of Variable Interest Entities [Table]
Schedule of Variable Interest Entities [Table]
Variable Interest Entities [Axis]
Variable Interest Entities [Axis]
Variable Interest Entity, Classification [Domain]
Variable Interest Entity, Classification [Domain]
Variable interest entity, not primary beneficiary [Member]
Variable Interest Entity, Not Primary Beneficiary [Member]
Variable Interest Entity [Line Items]
Variable Interest Entity [Line Items]
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
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
Uncollected investment advisory and administrative fees
Variable Interest Entity, Reporting Entity Involvement, Maximum Loss Exposure, Uncollected Investment Advisory and Administrative Fees, Amount
Variable Interest Entity, Reporting Entity Involvement, Maximum Loss Exposure, Uncollected Investment Advisory and Administrative Fees, Amount
Maximum risk of loss related to nonconsolidated variable interest entities
Variable Interest Entity, Reporting Entity Involvement, Maximum Loss Exposure, Amount
Income Statement [Abstract]
Administrative, distribution, and servicing fees [Member]
Administrative, Distribution, And Servicing [Member]
Administrative, Distribution, And Servicing [Member]
Revenues
Revenues, Net of Interest Expense [Abstract]
Operating expenses
Operating Expenses [Abstract]
Compensation and related costs
Labor and Related Expense
Distribution and servicing
Distribution Expenses
Distribution Expenses
Advertising and promotion
Marketing and Advertising Expense
Product-related costs
Product-Related And Client Servicing Expenses
Product-Related And Client Servicing Expenses
Technology, occupancy, and facility costs
Technology, Depreciation, Occupancy, And Facility Expenses
Technology, Depreciation, Occupancy, And Facility Expenses
General, administrative, and other
Other General and Administrative Expense
Total operating expenses
Net operating income
Operating Income (Loss)
Non-operating income
Nonoperating Income (Expense) [Abstract]
Other income (loss)
Other Nonoperating Income (Expense)
Total non-operating income
Provision for income taxes
Income Tax Expense (Benefit)
Net income
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest
Less: net income (loss) attributable to redeemable non-controlling interests
Net income attributable to T. Rowe Price Group
Earnings per share on common stock of T. Rowe Price Group
Basic (in dollars per share)
Earnings Per Share, Basic
Diluted (in dollars per share)
Earnings Per Share, Diluted
Statement of Cash Flows [Abstract]
Cash and cash equivalents at beginning of period
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents
Cash and cash equivalents at ending of period
Schedule of future minimum lease payments
Lessee, Operating Lease, Liability, Maturity [Table Text Block]
Cash flows from operating activities
Net Cash Provided by (Used in) Operating Activities [Abstract]
Net income
Adjustments to reconcile net income to net cash provided by (used in) operating activities
Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]
Depreciation and amortization of property and equipment
Depreciation, Nonproduction
Stock-based compensation expense
Share-based Payment Arrangement, Noncash Expense
Net gains recognized on investments
Net Gains (Losses) Recognized on Investments
Net Gains (Losses) Recognized on Investments
Net investments in T. Rowe Price investment products used to economically hedge supplemental savings plan liability
Proceeds from (Payments for) Trading Securities, Short-term
Other changes in assets and liabilities
Increase (Decrease) in Other Operating Assets and Liabilities, Net
Net cash provided by operating activities
Net Cash Provided by (Used in) Operating Activities
Cash flows from investing activities
Net Cash Provided by (Used in) Investing Activities [Abstract]
Purchases of T. Rowe Price investment products
Payments to Acquire Investments
Dispositions of T. Rowe Price investment products
Proceeds from Sale, Maturity and Collection of Investments
Additions to property and equipment
Payments to Acquire Property, Plant, and Equipment
Other investing activity
Payments for (Proceeds from) Other Investing Activities
Net cash used in investing activities
Net Cash Provided by (Used in) Investing Activities
Cash flows from financing activities
Net Cash Provided by (Used in) Financing Activities [Abstract]
Repurchases of common stock
Payments for Repurchase of Common Stock
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.
Dividends paid to common stockholders of T. Rowe Price Group
Payments of Dividends
Net subscriptions received from redeemable non-controlling interest holders
Proceeds from (Payments to) Noncontrolling Interests
Net cash used in financing activities
Net Cash Provided by (Used in) Financing Activities
Effect of exchange rate changes on cash and cash equivalents of consolidated T. Rowe Price investment products
Effect of Exchange Rate on Cash and Cash Equivalents
Net change in cash and cash equivalents during period
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect
Organization, Consolidation and Presentation of Financial Statements [Abstract]
New Accounting Pronouncements or Change in Accounting Principle [Table]
New Accounting Pronouncements or Change in Accounting Principle [Table]
ASU 2016-02 - Leases [Member]
Accounting Standards Update 2016-02 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease assets, including deferred rent liabilities reclassified
Operating Lease, Right-Of-Use Asset, Excluding Deferred Rent Liabilities To Be Reclassified
Operating Lease, Right-Of-Use Asset, Excluding Deferred Rent Liabilities to be Reclassified
Deferred rent liabilities
Deferred Rent Credit
Accumulated Other Comprehensive Income (Loss) [Table]
Accumulated Other Comprehensive Income (Loss) [Table]
Equity method investments [Member]
Equity Method Investee [Member]
Consolidated T. Rowe Price investment products - variable interest entities [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss) [Line Items]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Other comprehensive income (loss) before reclassifications and income taxes
OCI, before Reclassifications, before Tax, Attributable to Parent
Reclassification adjustments recognized in non-operating income
Reclassification from AOCI, Current Period, before Tax, Attributable to Parent
Other comprehensive income (loss), before taxes
Other Comprehensive Income (Loss), before Tax, Portion Attributable to Parent
Net deferred tax benefits (income taxes)
Other Comprehensive Income (Loss), Tax, Portion Attributable to Parent
Other comprehensive income (loss)
New Accounting Guidance and Newly Issued But Not Yet Adopted Accounting Guidance
New Accounting Pronouncements, Policy [Policy Text Block]
Lesses
Lessee, Leases [Policy Text Block]
Fourth quarter 2019
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost To Be Recognized Quarter Four Of Fiscal Year
Unrecognized cost of unvested share-based compensation awards to be recognized in quarter four of the fiscal year.
2020
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost To Be Recognized Next Fiscal Year
Unrecognized cost of unvested share-based compensation awards to be recognized in the next fiscal year.
2021 through 2024
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost To Be Recognized From Second Fiscal Year to Vesting
Unrecognized cost of unvested share-based compensation awards to be recognized in the second fiscal year through vesting period.
Total
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount
INVESTMENTS
Investment [Text Block]
STOCK-BASED COMPENSATION
Share-based Payment Arrangement [Text Block]
FAIR VALUE MEASUREMENTS
Fair Value Disclosures [Text Block]
Net deferred tax benefits on other comprehensive income (loss) before reclassifications
Other Comprehensive Income (Loss) before Reclassifications, Tax
Net deferred tax benefits on reclassification adjustment recognized in the provision for income taxes upon deconsolidation of a T. Rowe Price investment product
Reclassification from AOCI, Current Period, Tax
Total deferred tax benefits
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding at December 31, 2018 (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number
Exercised (in shares)
Forfeited (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period
Expired (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period
Outstanding at September 30, 2019 (in shares)
Exercisable at September 30, 2019 (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Weighted-average exercise price of options outstanding at December 31, 2018 (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price
Weighted-average exercise price of options exercised (in dollars per share)
Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price
Weighted-average exercise price of options forfeited (in dollars per share)
Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price
Weighted-average exercise price of options expired (in dollars per share)
Share-based Compensation Arrangements by Share-based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price
Weighted-average exercise price of options outstanding at September 30, 2019 (in dollars per share)
Weighted-average exercise price of options exercisable at September 30, 2019 (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price
Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]
Restricted shares [Member]
Restricted Stock [Member]
Vesting [Axis]
Vesting [Axis]
Vesting [Domain]
Vesting [Domain]
Time-based grants [Member]
Share-based Payment Arrangement, Tranche One [Member]
Performance-based [Member]
Share-based Payment Arrangement, Tranche Two [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
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]
Nonvested at December 31, 2018 (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number
Grants (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period
Vested (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period
Forfeited (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period
Nonvested at September 30, 2019 (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Weighted-average fair value of nonvested restricted shares and restricted stock units at December 31, 2018 (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
Weighted-average fair value of restricted shares and restricted stock units 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
Weighted-average fair value of restricted shares and restricted stock units 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
Weighted-average fair value of restricted shares and restricted stock units 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
Weighted-average fair value of nonvested restricted shares and restricted stock units at September 30, 2019 (in dollars per share)
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
Commitments and Contingencies Disclosure [Abstract]
COMMITMENTS AND CONTINGENCIES
Commitments and Contingencies Disclosure [Text Block]
Statement of Comprehensive Income [Abstract]
Net income
Other comprehensive income (loss)
Other Comprehensive Income (Loss), before Tax [Abstract]
Consolidated T. Rowe Price investment products - variable interest entities
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss), before Reclassification and Tax
Reclassification gains recognized in non-operating income upon deconsolidation of certain T. Rowe Price investment products
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, before Tax
Currency translation adjustments
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax
Other comprehensive income (loss) before income taxes
Other Comprehensive Income (Loss), before Tax
Net deferred tax benefits (income taxes)
Other Comprehensive Income (Loss), Tax
Total other comprehensive income (loss)
Other Comprehensive Income (Loss), Net of Tax
Total comprehensive income
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest
Less: comprehensive income (loss) attributable to redeemable non-controlling interests
Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest
Total comprehensive income attributable to T. Rowe Price Group
Comprehensive Income (Loss), Net of Tax, Attributable to Parent
Condensed Balance Sheet Statement [Table]
Condensed Balance Sheet Statement [Table]
Cash and Cash Equivalents [Axis]
Cash and Cash Equivalents [Axis]
Cash and Cash Equivalents [Domain]
Cash and Cash Equivalents [Domain]
Money Market Funds [Member]
Money Market Funds [Member]
Condensed Balance Sheet Statements, Captions [Line Items]
Condensed Balance Sheet Statements, Captions [Line Items]
Other assets
Liabilities
Net assets
Net Assets
Attributable to redeemable non-controlling interests
THE COMPANY AND BASIS OF PREPARATION
Organization, Consolidation, Basis of Presentation, Business Description and Accounting Policies [Text Block]
Cover page.
Document Type
Document Type
Document Quarterly Report
Document Quarterly Report
Document Period End Date
Document Period End Date
Document Transition Report
Document Transition Report
Entity File Number
Entity File Number
Entity Registrant Name
Entity Registrant Name
Entity Incorporation, State or Country Code
Entity Incorporation, State or Country Code
Entity Tax Identification Number
Entity Tax Identification Number
Entity Address, Address Line One
Entity Address, Address Line One
Entity Address, City or Town
Entity Address, City or Town
Entity Address, State or Province
Entity Address, State or Province
Entity Address, Postal Zip Code
Entity Address, Postal Zip Code
City Area Code
City Area Code
Local Phone Number
Local Phone Number
Title of 12(b) Security
Title of 12(b) Security
Trading Symbol
Trading Symbol
Security Exchange Name
Security Exchange Name
Entity Current Reporting Status
Entity Current Reporting Status
Entity Interactive Data Current
Entity Interactive Data Current
Entity Filer Category
Entity Filer Category
Entity Small Business
Entity Small Business
Entity Emerging Growth Company
Entity Emerging Growth Company
Entity Shell Company
Entity Shell Company
Entity Common Stock, Shares Outstanding
Entity Common Stock, Shares Outstanding
Entity Central Index Key
Entity Central Index Key
Current Fiscal Year End Date
Current Fiscal Year End Date
Document Fiscal Period Focus
Document Fiscal Period Focus
Document Fiscal Year Focus
Document Fiscal Year Focus
Amendment Flag
Amendment Flag
Condensed Cash Flow Statement [Table]
Condensed Cash Flow Statement [Table]
Condensed Cash Flow Statements, Captions [Line Items]
Condensed Cash Flow Statements, Captions [Line Items]
Net cash provided by operating activities
Net cash used in investing activities
Net cash used in financing activities
Effect of exchange rate changes on cash and cash equivalents of consolidated T. Rowe Price investment products
OTHER COMPREHENSIVE INCOME AND ACCUMULATED OTHER COMPREHENSIVE LOSS
Comprehensive Income (Loss) Note [Text Block]
Assets of consolidated T. Rowe Price investment products
Liabilities of consolidated T. Rowe Price investment products
Stockholders' equity
Stockholders' Equity, Number of Shares, Par Value and Other Disclosures [Abstract]
Preferred stock, par value (in dollars per share)
Preferred Stock, Par or Stated Value Per Share
Preferred stock, shares authorized (in shares)
Preferred Stock, Shares Authorized
Common stock, par value (in dollars per share)
Common Stock, Par or Stated Value Per Share
Common stock, shares authorized (in shares)
Common Stock, Shares Authorized
Common stock, shares issued (in shares)
Common Stock, Shares, Issued