DERIVATIVES - Net Investment Hedges (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Derivative gain (losses)
Amount of gain (loss) reclassified from AOCI to earnings		$ 1.0		$ (46.0)
Net investment hedges | Foreign currency translation adjustment (CTA)
Derivative gain (losses)
Gain (loss) recognized in AOCI	$ 363.0	$ 812.0	$ (586.0)	$ 1,500.0