COMMITMENTS AND GUARANTEES - Schedule of Assets and Liabilities (Details) - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2022
Commitments and Guarantees [Abstract]
Right-of-use assets	$ 513.7	$ 431.5
Lease liabilities	$ 522.1	$ 440.5
Weighted-average incremental borrowing rate	4.50%	3.60%
Weighted-average remaining term	7 years	6 years