Derivative Financial Instruments and Hedging Activities - Schedule of Notional Amounts (Details) - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2022
Derivative [Line Items]
Notional Amount	$ 55,690.5	$ 40,496.4
Swaps
Derivative [Line Items]
Notional Amount	194.3	160.9
Futures and forwards
Derivative [Line Items]
Notional Amount	19,841.1	15,159.4
Written options
Derivative [Line Items]
Notional Amount	19,671.8	13,701.9
Purchased options
Derivative [Line Items]
Notional Amount	$ 15,983.3	$ 11,474.2