0001001 - Document - Cover link:presentationLink link:calculationLink link:definitionLink 1001002 - Statement - UNAUDITED CONDENSED CONSOLIDATED BALANCE SHEETS link:presentationLink link:calculationLink link:definitionLink 1002003 - Statement - UNAUDITED CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 1003004 - Statement - UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF INCOME link:presentationLink link:calculationLink link:definitionLink 1004005 - Statement - UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME link:presentationLink link:calculationLink link:definitionLink 1005006 - Statement - UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS link:presentationLink link:calculationLink link:definitionLink 1006007 - Statement - UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 1007008 - Statement - UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY link:presentationLink link:calculationLink link:definitionLink 1008009 - Statement - UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 2101101 - Disclosure - THE COMPANY AND BASIS OF PREPARATION link:presentationLink link:calculationLink link:definitionLink 2202201 - Disclosure - THE COMPANY AND BASIS OF PREPARATION (Policies) link:presentationLink link:calculationLink link:definitionLink 2403401 - Disclosure - THE COMPANY AND BASIS OF PREPARATION (Details) link:presentationLink link:calculationLink link:definitionLink 2104102 - Disclosure - INFORMATION ABOUT RECEIVABLES, REVENUES, AND SERVICES link:presentationLink link:calculationLink link:definitionLink 2305301 - Disclosure - INFORMATION ABOUT RECEIVABLES, REVENUES, AND SERVICES (Tables) link:presentationLink link:calculationLink link:definitionLink 2406402 - Disclosure - INFORMATION ABOUT RECEIVABLES, REVENUES, AND SERVICES - Investment Advisory Services (Details) link:presentationLink link:calculationLink link:definitionLink 2407403 - Disclosure - INFORMATION ABOUT RECEIVABLES, REVENUES, AND SERVICES - Services Concentration and Receivables (Details) link:presentationLink link:calculationLink link:definitionLink 2108103 - Disclosure - INVESTMENTS link:presentationLink link:calculationLink link:definitionLink 2309302 - Disclosure - INVESTMENTS (Tables) link:presentationLink link:calculationLink link:definitionLink 2410404 - Disclosure - INVESTMENTS - Carrying Value of Investments (Details) link:presentationLink link:calculationLink link:definitionLink 2411405 - Disclosure - INVESTMENTS - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 2412406 - Disclosure - INVESTMENTS - Deconsolidation Impacts on Financial Statements (Details) link:presentationLink link:calculationLink link:definitionLink 2413407 - Disclosure - INVESTMENTS - Variable Interest Entities (Details) link:presentationLink link:calculationLink link:definitionLink 2414408 - Disclosure - INVESTMENTS - Variable Interest Entities Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 2415409 - Disclosure - INVESTMENTS - Total Assets, Liabilities and Non-controlling Interests (Details) link:presentationLink link:calculationLink link:definitionLink 2116104 - Disclosure - FAIR VALUE MEASUREMENTS link:presentationLink link:calculationLink link:definitionLink 2317303 - Disclosure - FAIR VALUE MEASUREMENTS (Tables) link:presentationLink link:calculationLink link:definitionLink 2418410 - Disclosure - FAIR VALUE MEASUREMENTS (Details) link:presentationLink link:calculationLink link:definitionLink 2419411 - Disclosure - FAIR VALUE MEASUREMENTS - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 2420412 - Disclosure - FAIR VALUE MEASUREMENTS - Schedule of Change in Contingent Consideration Liability (Details) link:presentationLink link:calculationLink link:definitionLink 2121105 - Disclosure - CONSOLIDATED T. ROWE PRICE INVESTMENT PRODUCTS AND OTHER ENTITIES link:presentationLink link:calculationLink link:definitionLink 2322304 - Disclosure - CONSOLIDATED T. ROWE PRICE INVESTMENT PRODUCTS AND OTHER ENTITIES (Tables) link:presentationLink link:calculationLink link:definitionLink 2423413 - Disclosure - CONSOLIDATED T. ROWE PRICE INVESTMENT PRODUCTS AND OTHER ENTITIES - Net Assets (Details) link:presentationLink link:calculationLink link:definitionLink 2424414 - Disclosure - CONSOLIDATED T. ROWE PRICE INVESTMENT PRODUCTS AND OTHER ENTITIES - Operating Results (Details) link:presentationLink link:calculationLink link:definitionLink 2425415 - Disclosure - CONSOLIDATED T. ROWE PRICE INVESTMENT PRODUCTS AND OTHER ENTITIES - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 2426416 - Disclosure - CONSOLIDATED T. ROWE PRICE INVESTMENT PRODUCTS AND OTHER ENTITIES - Statement of Cash Flows (Details) link:presentationLink link:calculationLink link:definitionLink 2427417 - Disclosure - CONSOLIDATED T. ROWE PRICE INVESTMENT PRODUCTS AND OTHER ENTITIES - Fair Value Measurements (Details) link:presentationLink link:calculationLink link:definitionLink 2128106 - Disclosure - GOODWILL AND INTANGIBLE ASSETS link:presentationLink link:calculationLink link:definitionLink 2329305 - Disclosure - GOODWILL AND INTANGIBLE ASSETS (Tables) link:presentationLink link:calculationLink link:definitionLink 2430418 - Disclosure - GOODWILL AND INTANGIBLE ASSETS - Goodwill and Intangible Assets (Details) link:presentationLink link:calculationLink link:definitionLink 2431419 - Disclosure - GOODWILL AND INTANGIBLE ASSETS - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 2432420 - Disclosure - GOODWILL AND INTANGIBLE ASSETS - Goodwill (Details) link:presentationLink link:calculationLink link:definitionLink 2133107 - Disclosure - STOCKHOLDERS' EQUITY link:presentationLink link:calculationLink link:definitionLink 2434421 - Disclosure - STOCKHOLDERS' EQUITY (Details) link:presentationLink link:calculationLink link:definitionLink 2135108 - Disclosure - STOCK-BASED COMPENSATION link:presentationLink link:calculationLink link:definitionLink 2336306 - Disclosure - STOCK-BASED COMPENSATION (Tables) link:presentationLink link:calculationLink link:definitionLink 2437422 - Disclosure - STOCK-BASED COMPENSATION - Stock Options (Details) link:presentationLink link:calculationLink link:definitionLink 2438423 - Disclosure - STOCK-BASED COMPENSATION - Restricted Shares and Stock Units (Details) link:presentationLink link:calculationLink link:definitionLink 2439424 - Disclosure - STOCK-BASED COMPENSATION - Restricted Shares and Stock Units Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 2440425 - Disclosure - STOCK-BASED COMPENSATION - Future Stock-Based Compensation Expense (Details) link:presentationLink link:calculationLink link:definitionLink 2141109 - Disclosure - EARNINGS PER SHARE CALCULATIONS link:presentationLink link:calculationLink link:definitionLink 2342307 - Disclosure - EARNINGS PER SHARE CALCULATIONS (Tables) link:presentationLink link:calculationLink link:definitionLink 2443426 - Disclosure - EARNINGS PER SHARE CALCULATIONS (Details) link:presentationLink link:calculationLink link:definitionLink 2144110 - Disclosure - OTHER COMPREHENSIVE INCOME AND ACCUMULATED OTHER COMPREHENSIVE LOSS link:presentationLink link:calculationLink link:definitionLink 2345308 - Disclosure - OTHER COMPREHENSIVE INCOME AND ACCUMULATED OTHER COMPREHENSIVE LOSS (Tables) link:presentationLink link:calculationLink link:definitionLink 2446427 - Disclosure - OTHER COMPREHENSIVE INCOME AND ACCUMULATED OTHER COMPREHENSIVE LOSS - Accumulated Other Comprehensive Loss (Details) link:presentationLink link:calculationLink link:definitionLink 2447428 - Disclosure - OTHER COMPREHENSIVE INCOME AND ACCUMULATED OTHER COMPREHENSIVE LOSS - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 2148111 - Disclosure - COMMITMENTS AND CONTINGENCIES link:presentationLink link:calculationLink link:definitionLink 2449429 - Disclosure - COMMITMENTS AND CONTINGENCIES (Details) link:presentationLink link:calculationLink link:definitionLink