XML 64 R53.htm IDEA: XBRL DOCUMENT v3.24.1.u1
OTHER COMPREHENSIVE INCOME AND ACCUMULATED OTHER COMPREHENSIVE LOSS - Accumulated Other Comprehensive Loss (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
AOCI Attributable to Parent, Net of Tax [Roll Forward]    
Balances at beginning of period $ 9,697.1 $ 9,030.2
Total other comprehensive income (loss) (3.7) 7.4
Balances at end of period 9,989.5 9,239.8
Consolidated T. Rowe Price investment products - variable interest entities    
AOCI Attributable to Parent, Net of Tax [Roll Forward]    
Net deferred tax (expense) benefits 0.8 (0.6)
Currency translation adjustments    
AOCI Attributable to Parent, Net of Tax [Roll Forward]    
Balances at beginning of period (47.5) (53.0)
Other comprehensive income (loss) before reclassifications and income taxes (2.9) 1.9
Net deferred tax (expense) benefits 0.8 (0.6)
Total other comprehensive income (loss) (2.1) 1.3
Balances at end of period (49.6) (51.7)
Currency translation adjustments | Equity method investments    
AOCI Attributable to Parent, Net of Tax [Roll Forward]    
Balances at beginning of period (51.9) (50.5)
Other comprehensive income (loss) before reclassifications and income taxes 1.1 (1.1)
Net deferred tax (expense) benefits (0.1) 0.2
Total other comprehensive income (loss) 1.0 (0.9)
Balances at end of period (50.9) (51.4)
Currency translation adjustments | Consolidated T. Rowe Price investment products - variable interest entities    
AOCI Attributable to Parent, Net of Tax [Roll Forward]    
Balances at beginning of period 4.4 (2.5)
Other comprehensive income (loss) before reclassifications and income taxes (4.0) 3.0
Net deferred tax (expense) benefits 0.9 (0.8)
Total other comprehensive income (loss) (3.1) 2.2
Balances at end of period $ 1.3 $ (0.3)