v3.26.1
Summary of Significant Accounting Policies - Variable Interest Entities (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Variable Interest Entity [Line Items]    
Consolidated VIEs, assets $ 28,195.6 $ 29,116.0
Consolidated VIEs, liabilities 20,982.8 22,058.9
Investments in CLOs 477.4  
Investment fund 1,100.0  
Consolidated VIEs    
Variable Interest Entity [Line Items]    
Consolidated VIEs, assets 14,400.0 14,000.0
Consolidated VIEs, liabilities $ 11,500.0 $ 11,700.0