v3.26.3
Fair Value Measurements (Assets and Liabilities Reconciliation) (Details)
$ in Millions
9 Months Ended
Sep. 30, 2026
USD ($)
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]  
Balance of Level 3 investments at January 1, 2026 $ 1,353.3
Gains included in net earnings  
Realized and unrealized gains due to changes in fair values of certain investments, net 183.1
Additions 59.5
Dispositions (677.9)
Foreign currency translation adjustments and other, net (31.4)
Balance of Level 3 investments at September 30, 2026 886.6
Instruments accounted for under measurement alternative  
Gains included in net earnings  
Balance of Level 3 investments at September 30, 2026 $ 408.1