DEBT - Debt Securitization (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2024	May 31, 2024	Dec. 31, 2023
Debt Instrument [Line Items]
Term debt securitization		$ 702
Principal amount of debt outstanding	$ 13,487		$ 11,905
Weighted average stated interest rate	5.20%		4.80%
2024-1 CLO Notes
Debt Instrument [Line Items]
Principal amount of debt outstanding	$ 702
2024-1 CLO Notes | Subordinated
Debt Instrument [Line Items]
Principal amount of debt outstanding	226	226
2024-1 CLO Notes | Secured Debt
Debt Instrument [Line Items]
Principal amount of debt outstanding	$ 476		$ 0
Weighted average stated interest rate	1.86%
Class A CLO Notes | Secured Debt
Debt Instrument [Line Items]
Principal amount of debt outstanding	$ 406	406
Interest rate spread	1.80%
Class B CLO Notes | Secured Debt
Debt Instrument [Line Items]
Principal amount of debt outstanding	$ 70	$ 70
Interest rate spread	2.20%