Derivative Financial Instruments - Schedule of Notional Amounts (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Derivative [Line Items]
Derivative, notional amount	$ 32,324.5	$ 16,925.4
Swaps
Derivative [Line Items]
Derivative, notional amount	2,670.4	684.5
Futures, forwards and spot
Derivative [Line Items]
Derivative, notional amount	7,818.3	5,467.8
Written options
Derivative [Line Items]
Derivative, notional amount	11,221.9	5,578.1
Purchased options
Derivative [Line Items]
Derivative, notional amount	$ 10,614.0	$ 5,195.0