v3.26.1
CONSOLIDATED INVESTMENT PRODUCTS - Schedule of Net Assets (Details) - USD ($)
$ in Millions
 6 Months Ended
Jun. 30, 2026
Mar. 31, 2026
Dec. 31, 2025
Jun. 30, 2025
Mar. 31, 2025
Dec. 31, 2024
Condensed Balance Sheet Statements, Captions [Line Items]            
Cash and cash equivalents $ 3,234.3   $ 3,378.2      
Investments 4,090.2   3,325.2      
Other assets 542.4   611.0      
Total assets 15,357.2   14,341.8      
Debt and other liabilities 452.5   21.3      
Attributable to redeemable non-controlling interests 1,009.3 $ 940.2 1,036.0 $ 1,099.1 $ 977.2 $ 944.0
Collateralized Loan Obligation, Warehousing Facility            
Condensed Balance Sheet Statements, Captions [Line Items]            
Debt and other liabilities $ 220.1          
Debt instrument, basis spread on variable rate 1.65%          
Debt instrument, debt default, basis spread on variable rate 2.00%          
Consolidated T. Rowe Price investment products            
Condensed Balance Sheet Statements, Captions [Line Items]            
Attributable to T. Rowe Price Group $ 1,015.4   893.7      
Attributable to redeemable non-controlling interests 1,009.3   1,036.0      
Voting interest entities            
Condensed Balance Sheet Statements, Captions [Line Items]            
Attributable to T. Rowe Price Group 373.6   269.8      
Attributable to redeemable non-controlling interests 159.1   78.0      
Variable interest entities            
Condensed Balance Sheet Statements, Captions [Line Items]            
Total assets 426.1   438.7      
Debt and other liabilities 414.6   14.2      
Attributable to T. Rowe Price Group 641.8   623.9      
Attributable to redeemable non-controlling interests 850.2   958.0      
Reportable entities | Consolidated T. Rowe Price investment products            
Condensed Balance Sheet Statements, Captions [Line Items]            
Cash and cash equivalents 75.3   39.1      
Investments 2,352.2   1,885.5      
Other assets 49.7   26.4      
Total assets 2,477.2   1,951.0      
Debt and other liabilities 452.5   21.3      
Net assets 2,024.7   1,929.7      
Reportable entities | Consolidated T. Rowe Price investment products | T. Rowe Price investment products            
Condensed Balance Sheet Statements, Captions [Line Items]            
Investments 66.0   61.7      
Reportable entities | Consolidated T. Rowe Price investment products | T. Rowe Price investment products | Money market mutual funds            
Condensed Balance Sheet Statements, Captions [Line Items]            
Cash and cash equivalents 24.7   2.5      
Reportable entities | Voting interest entities            
Condensed Balance Sheet Statements, Captions [Line Items]            
Cash and cash equivalents 26.7   3.0      
Investments 518.1   344.3      
Other assets 25.8   7.6      
Total assets 570.6   354.9      
Debt and other liabilities 37.9   7.1      
Net assets 532.7   347.8      
Reportable entities | Variable interest entities            
Condensed Balance Sheet Statements, Captions [Line Items]            
Cash and cash equivalents 48.6   36.1      
Investments 1,834.1   1,541.2      
Other assets 23.9   18.8      
Total assets 1,906.6   1,596.1      
Debt and other liabilities 414.6   14.2      
Net assets $ 1,492.0   $ 1,581.9